/* ============================================================
   Nukesaku Audio — style.css
   配色や余白などの「お気に入りポイント」は上の方に集めています。
   ここを変えるだけで全体の雰囲気を調整できます。
   ============================================================ */

/* ---------- カラーパレット（ここで一括管理） ---------- */
:root {
  /* 背景と文字 */
  --bg:        #faf7f1;   /* やわらかいクリーム */
  --bg-soft:   #f3eee5;   /* クリーム（少し濃いめ） */
  --card:      #fffdfa;   /* カードの白 */
  --card-2:    #f8f3ea;   /* カード（少しクリーム寄り） */
  --text:      #302c35;   /* あたたかい濃いグレー */
  --text-dim:  #68616e;
  --text-faint:#786f7b;
  --ink:       #15161c;
  --ink-2:     #20222c;

  /* アクセント3色（パステル） */
  --pink:      #dca0a6;   /* ダスティピンク */
  --pink-deep: #a45564;
  --pink-soft: rgba(224,141,155,.14);
  --lavender:  #a698c8;   /* ラベンダー */
  --lav-deep:  #6f5da5;
  --lav-soft:  rgba(162,145,201,.14);
  --mint:      #83b8a4;   /* ミント */
  --mint-deep: #3b7a65;
  --mint-soft: rgba(127,192,165,.14);
  --amber:     #d9a968;   /* 補助色（Labの記録用） */
  --amber-deep:#bd8a3f;
  --amber-soft:rgba(217,169,104,.16);

  /* 線・影・グロー */
  --line:      rgba(48,44,53,.14);
  --line-soft: rgba(48,44,53,.075);
  --shadow:    0 22px 60px rgba(48,44,53,.12);
  --shadow-soft: 0 10px 30px rgba(48,44,53,.075);
  --glow-pink: rgba(224,141,155,.35);
  --glow-lav:  rgba(162,145,201,.35);
  --glow-mint: rgba(127,192,165,.3);

  /* 角丸 */
  --radius:    20px;
  --radius-sm: 12px;
  --content:   1180px;

  /* フォント */
  --font-jp: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP",
             "Yu Gothic UI", Meiryo, sans-serif;
  --font-en: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

/* ---------- リセット・基本 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-jp);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* キーボード利用時だけ表示される本文スキップリンク */
.skip-link {
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 300;
  padding: 10px 16px;
  border: 1px solid var(--lavender);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  font-size: .88rem;
  font-weight: 800;
  box-shadow: var(--shadow-soft);
  transform: translateY(-160%);
  transition: transform .2s ease;
}

.skip-link:focus { transform: translateY(0); }
main:focus { outline: none; }

img, svg { display: block; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--pink); color: #fff; }

/* スクロールバー（PCのみ） */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #ddd2c2; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #cfc1ae; }

/* ============================================================
   背景装飾（やわらかいパステルスポット）
   ============================================================ */
.bg-decor {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .4;
  animation: orbFloat 16s ease-in-out infinite alternate;
}

.orb-pink     { width: 460px; height: 460px; background: var(--pink);     top: -120px;   right: -120px; }
.orb-lavender { width: 420px; height: 420px; background: var(--lavender); top: 32%;      left: -160px;  animation-delay: -6s; }
.orb-mint     { width: 380px; height: 380px; background: var(--mint);     bottom: -140px; right: 8%;    animation-delay: -10s; }

@keyframes orbFloat {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-24px, 34px) scale(1.1); }
}

/* ============================================================
   Header / Navigation
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250, 246, 238, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow .3s;
}

.site-header.scrolled { box-shadow: 0 8px 30px rgba(75,67,80,.1); }

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 13px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* ロゴ（ノブ風マーク＋文字） */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: .03em;
  color: var(--text);
}

.brand-knob {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: conic-gradient(from 210deg, var(--pink), var(--lavender), var(--mint), var(--pink));
  box-shadow: 0 0 12px var(--glow-pink), inset 0 0 0 3px var(--card);
  position: relative;
  flex-shrink: 0;
}

.brand-knob::after {
  content: "";
  position: absolute;
  left: 50%; top: 3px;
  width: 3px; height: 7px;
  border-radius: 2px;
  background: var(--card);
  transform: translateX(-50%) rotate(24deg);
  transform-origin: bottom;
}

.brand-name { white-space: nowrap; }

/* ナビ */
.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  padding: 8px 14px;
  font-size: .88rem;
  font-weight: 700;
  color: var(--text-dim);
  border-radius: 999px;
  transition: color .2s, background .2s, transform .2s;
  white-space: nowrap;
}

.site-nav a:hover { color: var(--text); background: var(--card); transform: translateY(-1px); }

.site-nav a[aria-current="page"] {
  color: var(--text);
  background: var(--lav-soft);
}

.site-nav .nav-cta {
  color: #fff;
  background: linear-gradient(120deg, var(--pink), var(--lavender));
  box-shadow: 0 4px 14px var(--glow-pink);
}

.site-nav .nav-cta:hover { color: #fff; background: linear-gradient(120deg, var(--pink-deep), var(--lav-deep)); }

/* ハンバーガー（モバイル） */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  padding: 9px;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  cursor: pointer;
}

.nav-toggle span {
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform .25s, opacity .25s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 22px 100px;
  overflow: hidden;
  background:
    radial-gradient(52% 44% at 72% 18%, rgba(224,141,155,.14), transparent 65%),
    radial-gradient(46% 40% at 18% 42%, rgba(162,145,201,.15), transparent 65%),
    radial-gradient(50% 42% at 55% 88%, rgba(127,192,165,.12), transparent 65%);
}

.hero-inner { max-width: 760px; position: relative; z-index: 2; }

.hero-eyebrow {
  font-family: var(--font-en);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--lav-deep);
  margin-bottom: 16px;
}

.hero-title {
  font-family: var(--font-en);
  font-size: clamp(2.6rem, 8vw, 4.4rem);
  font-weight: 800;
  letter-spacing: .01em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 14px;
}

.hero-catch {
  font-size: clamp(1.15rem, 3.2vw, 1.5rem);
  font-weight: 800;
  color: var(--pink-deep);
  margin-bottom: 14px;
}

.hero-sub {
  color: var(--text-dim);
  font-size: clamp(.92rem, 2.4vw, 1rem);
  max-width: 560px;
  margin: 0 auto 30px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 34px;
}

.hero-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.hero-tags li {
  font-family: var(--font-en);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--text-faint);
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  padding: 5px 13px;
}

/* ヒーロー下部の波形＋EQカーブ */
.hero-visual {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-wave {
  width: 100%;
  height: 190px;
}

.wave-1 { fill: rgba(224,141,155,.22); }
.wave-2 { fill: rgba(162,145,201,.2); }

.eq-curve {
  fill: none;
  stroke: var(--mint-deep);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 6 9;
  opacity: .65;
  filter: drop-shadow(0 0 6px var(--glow-mint));
  animation: dashFlow 22s linear infinite;
}

@keyframes dashFlow { to { stroke-dashoffset: -600; } }

/* ---------- マスコット（くっきーのようなやわらかいキャラ） ---------- */
.mascot {
  position: absolute;
  top: 15%;
  right: 3.5%;
  width: 200px;
  height: 190px;
  border-radius: 46% 54% 44% 56% / 55% 48% 52% 45%;
  background: linear-gradient(140deg, #f3b7c0 0%, #d9c6f0 100%);
  box-shadow:
    0 20px 44px rgba(224,141,155,.35),
    inset -10px -12px 24px rgba(255,255,255,.35),
    inset 8px 10px 20px rgba(255,255,255,.5);
  animation: blobFloat 6s ease-in-out infinite;
  z-index: 2;
}

/* マスコットのまわりの破線リング */
.mascot::before {
  content: "";
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  border: 2px dashed rgba(162,145,201,.45);
  animation: ringSpin 36s linear infinite;
}

@keyframes ringSpin { to { transform: rotate(360deg); } }

@keyframes blobFloat {
  0%, 100% { transform: translateY(0) rotate(-2.5deg); }
  50%      { transform: translateY(-13px) rotate(2.5deg); }
}

.mascot-eye {
  position: absolute;
  top: 40%;
  width: 11px; height: 13px;
  border-radius: 50%;
  background: var(--text);
}

.eye-l { left: 35%; }
.eye-r { right: 35%; }

.mascot-smile {
  position: absolute;
  bottom: 29%;
  left: 50%;
  width: 28px; height: 14px;
  transform: translateX(-50%);
  border-bottom: 3.5px solid var(--text);
  border-radius: 0 0 60% 60%;
}

.mascot-blush {
  position: absolute;
  top: 52%;
  width: 16px; height: 9px;
  border-radius: 50%;
  background: var(--pink);
  opacity: .5;
}

.blush-l { left: 24%; }
.blush-r { right: 24%; }

.mascot-note {
  position: absolute;
  font-size: 22px;
  color: var(--lav-deep);
  text-shadow: 0 2px 6px rgba(162,145,201,.4);
  animation: noteFloat 2.6s ease-in-out infinite;
}

.note-1 { top: -18px; right: -4px; }
.note-2 { bottom: 2px; left: -20px; font-size: 17px; animation-delay: .8s; }

@keyframes noteFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-9px); }
}

/* ============================================================
   ボタン
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 800;
  font-size: .92rem;
  transition: transform .2s, box-shadow .2s, background .2s;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(120deg, var(--pink), var(--lavender));
  color: #fff;
  box-shadow: 0 6px 20px var(--glow-pink);
}

.btn-primary:hover {
  transform: translateY(-2px) rotate(-.5deg);
  box-shadow: 0 10px 28px var(--glow-lav);
}

.btn-ghost {
  border: 1.5px solid var(--line);
  color: var(--text);
  background: var(--card);
}

.btn-ghost:hover {
  border-color: var(--lavender);
  background: var(--lav-soft);
  transform: translateY(-2px);
}

.btn-small { padding: 9px 18px; font-size: .8rem; }

/* ============================================================
   セクション共通
   ============================================================ */
.section {
  max-width: 1080px;
  margin: 0 auto;
  padding: 92px 22px 24px;
  scroll-margin-top: 76px;
}

.section-narrow { max-width: 860px; }

.section-head {
  text-align: center;
  margin-bottom: 42px;
}

.section-kicker {
  font-family: var(--font-en);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--lav-deep);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: .02em;
  margin-bottom: 12px;
}

.section-desc {
  color: var(--text-dim);
  font-size: .95rem;
  max-width: 620px;
  margin: 0 auto;
}

.section-note {
  text-align: center;
  color: var(--text-faint);
  font-size: .83rem;
  margin-top: 30px;
}

.sp-only { display: none; }

/* ============================================================
   カード共通
   ============================================================ */
.card {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}

.card:hover {
  transform: translateY(-4px) rotate(-.3deg);
  box-shadow: var(--shadow);
  border-color: rgba(75,67,80,.2);
}

.card-body { padding: 20px 22px 24px; }

.card-title {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.card-text {
  color: var(--text-dim);
  font-size: .87rem;
  margin-bottom: 6px;
}

.card-text b { color: var(--text); }

.card-status {
  font-family: var(--font-en);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--lav-deep);
  margin-bottom: 4px;
}

/* バッジ */
.card-badges { display: flex; gap: 7px; margin-bottom: 10px; flex-wrap: wrap; }

.badge {
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .05em;
  padding: 3px 11px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.badge-beta      { color: var(--lav-deep); border-color: var(--lavender); background: var(--lav-soft); }
.badge-prototype { color: var(--mint-deep); border-color: var(--mint);    background: var(--mint-soft); }
.badge-soon      { color: var(--amber-deep); border-color: var(--amber);  background: var(--amber-soft); }
.badge-free      { color: var(--mint-deep); }
.badge-paid      { color: var(--pink-deep); }

.card-actions { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }

/* ============================================================
   チャンネルアイコン
   ============================================================ */
.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  transition: opacity .2s ease;
}
.channel-link:hover { opacity: .8; }
.channel-link strong { color: var(--pink-deep); }
.channel-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--lavender);
  box-shadow: 0 4px 14px var(--glow-lav);
  flex: none;
}
.contact-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--line-soft);
  box-shadow: 0 4px 14px var(--glow-lav);
  flex: none;
}

/* ============================================================
   動画埋め込み（使い方動画など）
   ============================================================ */
.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  box-shadow: 0 10px 30px rgba(30, 27, 45, 0.12);
  background: var(--bg-soft);
}
.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.video-embed-wrap {
  max-width: 860px;
  margin: 0 auto;
}

/* ============================================================
   DTMerへの道！ 動画カード
   ============================================================ */
.video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 720px;
  margin: 0 auto;
}

.video-card { display: flex; flex-direction: column; }

/* 横長カード：アイコンタイル + 本文 + 矢印 */
.video-card {
  flex-direction: row;
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
}

.video-card .card-body {
  flex: 1;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.card-icon {
  flex: none;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 1.7rem;
  background: var(--pink-soft);
  border: 1px solid var(--line-soft);
  transition: transform .25s;
}

.video-card:hover .card-icon { transform: translateY(-2px) rotate(-4deg); }

.accent-lavender .card-icon { background: var(--lav-soft); }
.accent-mint .card-icon { background: var(--mint-soft); }
.accent-pink .card-icon { background: var(--pink-soft); }

.card-arrow {
  flex: none;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-faint);
  transition: transform .25s, color .25s;
}

.video-card:hover .card-arrow {
  transform: translateX(5px);
  color: var(--pink-deep);
}

.accent-lavender:hover .card-arrow { color: var(--lav-deep); }
.accent-mint:hover .card-arrow { color: var(--mint-deep); }

.video-card:hover .card-title { color: var(--pink-deep); }
.accent-lavender:hover .card-title { color: var(--lav-deep); }
.accent-mint:hover .card-title { color: var(--mint-deep); }

/* ステータスをバッジ風に */
.video-card .card-status {
  align-self: flex-start;
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--lav-soft);
  color: var(--lav-deep);
  border: 1px solid var(--line-soft);
  margin-bottom: 8px;
}

@media (max-width: 640px) {
  .video-card { gap: 14px; padding: 18px; }
  .card-icon { width: 48px; height: 48px; font-size: 1.4rem; border-radius: 14px; }
  .card-arrow { display: none; }
}

/* ============================================================
   Plugins
   ============================================================ */
.plugin-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.plugin-card { display: flex; flex-direction: column; }
.plugin-card .card-body { display: flex; flex-direction: column; flex: 1; }
.plugin-card .card-actions { margin-top: auto; padding-top: 14px; }

/* プラグインのビジュアルエリア */
.plugin-visual {
  position: relative;
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background:
    radial-gradient(90% 120% at 50% 0%, var(--pink-soft), transparent 60%),
    repeating-linear-gradient(0deg, transparent 0 23px, var(--line-soft) 23px 24px),
    repeating-linear-gradient(90deg, transparent 0 23px, var(--line-soft) 23px 24px);
}

.plugin-knob {
  position: absolute;
  right: 30px; top: 34px;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff, var(--bg-soft));
  border: 2px solid var(--pink);
  box-shadow: 0 0 14px var(--glow-pink), inset 0 0 8px rgba(75,67,80,.12);
  animation: knobSpin 7s ease-in-out infinite;
}

.plugin-knob::after {
  content: "";
  position: absolute;
  left: 50%; top: 4px;
  width: 3px; height: 10px;
  border-radius: 2px;
  background: var(--pink-deep);
  transform: translateX(-50%);
  transform-origin: bottom center;
  animation: knobSpin 7s ease-in-out infinite;
}

@keyframes knobSpin {
  0%   { transform: rotate(-20deg); }
  50%  { transform: rotate(60deg); }
  100% { transform: rotate(-20deg); }
}

.plugin-eq {
  width: 86%;
  max-width: 220px;
  height: 70px;
}

.plugin-eq path {
  fill: none;
  stroke: var(--pink-deep);
  stroke-width: 3;
  stroke-linecap: round;
  filter: drop-shadow(0 0 6px var(--glow-pink));
}

/* CHOP: チョップブロック */
.visual-chop {
  background:
    radial-gradient(90% 120% at 50% 0%, var(--mint-soft), transparent 60%),
    repeating-linear-gradient(90deg, transparent 0 26px, var(--line-soft) 26px 27px);
}

.chop-blocks {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 60%;
}

.chop-blocks span {
  width: 16px;
  border-radius: 6px 6px 3px 3px;
  background: linear-gradient(180deg, var(--mint), var(--mint-deep));
  box-shadow: 0 0 12px var(--glow-mint);
}

.chop-blocks span:nth-child(1) { height: 55%; }
.chop-blocks span:nth-child(2) { height: 100%; }
.chop-blocks span:nth-child(3) { height: 75%; }
.chop-blocks span:nth-child(4) { height: 95%; }
.chop-blocks span:nth-child(5) { height: 50%; }

/* COMPOSE: ピアノロール風 */
.visual-comp {
  background:
    radial-gradient(90% 120% at 50% 0%, var(--lav-soft), transparent 60%),
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: auto, 22px 22px, 22px 22px;
}

.piano-roll {
  position: relative;
  width: 86%;
  max-width: 240px;
  height: 78px;
  border-radius: 8px;
  background: rgba(255,253,248,.75);
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.pr-row {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent 0 19px, var(--line-soft) 19px 20px);
}

.pr-note {
  position: absolute;
  height: 16px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--lavender), var(--pink));
  box-shadow: 0 0 8px var(--glow-lav);
}

.pr-note:nth-child(2) { top: 8px; }
.pr-note:nth-child(3) { top: 30px; }
.pr-note:nth-child(4) { top: 52px; }

/* プラグインカード拡張（β版配布中の NukesakuCOMPOSE 用） */
.plugin-card-featured {
  border-color: var(--lavender);
  box-shadow: 0 8px 26px var(--glow-lav);
}

/* 実画像を表示する時は元の visual-comp のグリッド背景を上書き */
.plugin-card-featured .plugin-visual {
  height: auto;
  aspect-ratio: 962 / 651;
  background: var(--bg-soft);
}

.visual-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
}

.visual-version {
  position: absolute;
  top: 10px;
  right: 10px;
  font-family: var(--font-en);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .06em;
  color: #fff;
  background: rgba(75,67,80,.75);
  padding: 3px 9px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2;
}

.card-features {
  list-style: none;
  margin: 10px 0 12px;
  padding: 12px 14px;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-soft);
}

.card-features li {
  font-size: .82rem;
  color: var(--text-dim);
  padding: 3px 0;
  line-height: 1.55;
  position: relative;
  padding-left: 16px;
}

.card-features li::before {
  content: "♬";
  position: absolute;
  left: 0;
  top: 3px;
  color: var(--lav-deep);
  font-size: .85rem;
}

.card-meta {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.card-meta span {
  font-family: var(--font-en);
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--text-faint);
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  padding: 2px 9px;
  border-radius: 999px;
}

/* ============================================================
   Nukesaku Lab
   ============================================================ */
.lab-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.lab-card {
  padding: 28px 26px;
  position: relative;
  overflow: hidden;
  display: block;
  text-decoration: none;
  color: inherit;
}

.lab-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: var(--radius);
  opacity: .6;
}

.lab-pink::before     { background: radial-gradient(120% 100% at 100% 0%, var(--pink-soft), transparent 55%); }
.lab-lavender::before { background: radial-gradient(120% 100% at 0% 0%, var(--lav-soft), transparent 55%); }
.lab-mint::before     { background: radial-gradient(120% 100% at 100% 100%, var(--mint-soft), transparent 55%); }
.lab-amber::before    { background: radial-gradient(120% 100% at 0% 100%, var(--amber-soft), transparent 55%); }
.lab-first::before    { background: radial-gradient(120% 100% at 50% 0%, var(--glow-pink), transparent 60%); }

.lab-icon {
  width: 52px; height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  background: var(--bg);
  border: 1px solid var(--line-soft);
}

.lab-icon svg { width: 30px; height: 30px; }

.lab-pink .lab-icon     { color: var(--pink-deep);     box-shadow: 0 4px 14px var(--glow-pink); }
.lab-lavender .lab-icon { color: var(--lav-deep);      box-shadow: 0 4px 14px var(--glow-lav); }
.lab-mint .lab-icon     { color: var(--mint-deep);     box-shadow: 0 4px 14px var(--glow-mint); }
.lab-amber .lab-icon    { color: var(--amber-deep);    box-shadow: 0 4px 14px var(--amber-soft); }
.lab-first .lab-icon    { color: var(--pink-deep);      box-shadow: 0 4px 14px var(--glow-pink); }

/* Labカード拡張（NukesakuCOMPOSE 開発進捗用） */
.lab-card-featured {
  border-color: var(--lavender);
  box-shadow: 0 8px 26px var(--glow-lav);
}

.lab-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  border: 1px solid var(--line-soft);
  box-shadow: 0 6px 20px rgba(75,67,80,.12);
  background: var(--bg-soft);
}

.lab-meta {
  display: flex;
  gap: 6px;
  margin: 12px 0 16px;
  flex-wrap: wrap;
}

.lab-version {
  font-family: var(--font-en);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .06em;
  color: var(--lav-deep);
  background: var(--lav-soft);
  border: 1px solid var(--lavender);
  padding: 3px 10px;
  border-radius: 999px;
}

.lab-format {
  font-family: var(--font-en);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--text-faint);
  background: var(--card);
  border: 1px solid var(--line-soft);
  padding: 3px 10px;
  border-radius: 999px;
}

.lab-actions { margin-top: 8px; }

/* ============================================================
   About
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.about-card {
  padding: 28px 26px;
  border-top: 4px solid;
}

.about-card:nth-child(1) { border-top-color: var(--pink); }
.about-card:nth-child(2) { border-top-color: var(--lavender); }
.about-card:nth-child(3) { border-top-color: var(--mint); }

/* ============================================================
   Contact
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 22px;
  max-width: 700px;
  margin: 0 auto;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px;
}

.contact-icon {
  width: 48px; height: 48px;
  flex-shrink: 0;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  color: var(--lav-deep);
  transition: color .2s, border-color .2s, box-shadow .2s;
}

.contact-icon svg { width: 26px; height: 26px; }

.contact-card:hover .contact-icon { color: var(--pink-deep); border-color: var(--pink); box-shadow: 0 0 14px var(--glow-pink); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  margin-top: 80px;
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, transparent, rgba(75,67,80,.05));
  padding: 54px 22px 28px;
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-brand p {
  color: var(--text-dim);
  font-size: .86rem;
  margin-top: 10px;
}

.footer-links {
  display: flex;
  gap: 54px;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-family: var(--font-en);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 12px;
}

.footer-col a {
  display: block;
  color: var(--text-dim);
  font-size: .86rem;
  padding: 3px 0;
  transition: color .2s;
}

.footer-col a:hover { color: var(--pink-deep); }

.footer-bottom {
  max-width: 1080px;
  margin: 42px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  text-align: center;
  color: var(--text-faint);
  font-size: .78rem;
}

/* ---------- リンク準備中トースト ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  transform: translate(-50%, 20px);
  background: var(--card);
  border: 1px solid var(--lavender);
  color: var(--text);
  font-size: .85rem;
  font-weight: 700;
  padding: 12px 22px;
  border-radius: 999px;
  box-shadow: var(--shadow), 0 0 20px var(--glow-lav);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s, transform .3s;
  z-index: 200;
  white-space: nowrap;
  max-width: 90vw;
  overflow: hidden;
  text-overflow: ellipsis;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ============================================================
   スクロール時のフェードイン（JSで .reveal を付与）
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s ease, transform .6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   プレースホルダーリンク（準備中）
   data-link に "URL" を含む or href="#" のリンクは JS で
   .is-placeholder が付き、ここで見た目を整えます。
   ============================================================ */
a.is-placeholder {
  cursor: not-allowed;
}

a.is-placeholder.btn { position: relative; }

/* ボタン型に「準備中」バッジ */
a.is-placeholder.btn::after {
  content: "準備中";
  position: absolute;
  top: -7px;
  right: -7px;
  font-family: var(--font-en);
  font-size: .56rem;
  font-weight: 800;
  letter-spacing: .08em;
  color: #fff;
  background: linear-gradient(120deg, var(--amber), var(--amber-deep));
  padding: 2px 7px;
  border-radius: 999px;
  box-shadow: 0 2px 6px rgba(189,138,63,.35);
  pointer-events: none;
  z-index: 1;
}

/* 準備中ボタンのホバー演出を控えめに */
a.is-placeholder.btn:hover {
  transform: none;
  box-shadow: 0 4px 12px rgba(75,67,80,.08);
}

/* カード型は全体の彩度を落として「未公開」感を出す */
a.is-placeholder.video-card,
a.is-placeholder.contact-card {
  opacity: .92;
}

/* フォーカスリング（キーボード操作用） */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--lav-deep);
  outline-offset: 3px;
  border-radius: 6px;
}

a.is-placeholder:focus-visible {
  outline-color: var(--amber);
  outline-style: dashed;
}

/* アニメーションを控えめにしたい端末向け */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   Product Page（NukesakuCOMPOSE などプラグイン商品ページ用）
   ============================================================ */
.product-hero {
  position: relative;
  padding: 150px 22px 70px;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(52% 44% at 72% 18%, rgba(224,141,155,.14), transparent 65%),
    radial-gradient(46% 40% at 18% 42%, rgba(162,145,201,.15), transparent 65%),
    radial-gradient(50% 42% at 55% 88%, rgba(127,192,165,.12), transparent 65%);
}

.product-stage {
  position: relative;
  max-width: 720px;
  margin: 0 auto 36px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow);
  background: var(--bg-soft);
}

.product-shot {
  display: block;
  width: 100%;
  height: auto;
}

.stage-knob {
  position: absolute;
  right: 18px;
  top: 18px;
  z-index: 2;
}

.stage-note {
  position: absolute;
  font-size: 20px;
  color: var(--lav-deep);
  text-shadow: 0 2px 6px rgba(162,145,201,.4);
  animation: noteFloat 2.6s ease-in-out infinite;
  z-index: 2;
}

.n1 { top: 12px; left: 12px; color: var(--pink-deep); }
.n2 { bottom: 10px; right: 12px; animation-delay: .8s; }

.product-head {
  max-width: 680px;
  margin: 0 auto;
}

.product-title {
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 800;
  margin-bottom: 10px;
}

.product-badges { justify-content: center; margin-bottom: 14px; }

.product-catch {
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 800;
  color: var(--pink-deep);
  margin-bottom: 10px;
}

.product-desc {
  color: var(--text-dim);
  font-size: .95rem;
  margin: 0 auto 26px;
  max-width: 580px;
}

.product-price-note {
  color: var(--text-faint);
  font-size: .8rem;
}

/* 特徴カード */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 30px;
}

.feature-card {
  padding: 26px 24px;
  position: relative;
  overflow: hidden;
}

/* スペック表 */
.spec-box {
  max-width: 620px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 26px 28px;
}

.spec-title {
  font-size: .95rem;
  font-weight: 800;
  margin-bottom: 14px;
  text-align: center;
}

.spec-list { list-style: none; }

.spec-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: .88rem;
}

.spec-list li:last-child { border-bottom: none; }

.spec-list li span:first-child { color: var(--text-faint); font-weight: 700; }
.spec-list li span:last-child  { color: var(--text); font-weight: 700; }

/* 説明書プレースホルダー */
.doc-box {
  max-width: 620px;
  margin: 0 auto;
  border: 2px dashed var(--lavender);
  border-radius: var(--radius);
  background: var(--card);
  padding: 42px 26px;
  text-align: center;
  color: var(--text-dim);
}

.doc-box-title {
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--lav-deep);
  margin-bottom: 8px;
}

/* ダウンロードCTA */
.download-section { text-align: center; }

.download-box {
  max-width: 620px;
  margin: 0 auto;
  background: linear-gradient(160deg, var(--lav-soft), var(--pink-soft));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 44px 26px;
}

/* 注記内のリンク */
.note-link {
  color: var(--lav-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .2s;
}

.note-link:hover { color: var(--pink-deep); }

/* ============================================================
   レスポンシブ（モバイル）
   ============================================================ */
@media (max-width: 900px) {
  .video-grid, .plugin-grid, .about-grid, .feature-grid { grid-template-columns: 1fr; }
  .lab-grid { grid-template-columns: 1fr; }
  .section { padding-top: 76px; }

  /* マスコットは下に置いて小さめに */
  .mascot {
    position: static;
    width: 150px;
    height: 143px;
    margin: 34px auto 0;
  }

  /* 狭い画面ではハンバーガーメニューに切り替え */
  .nav-toggle {
    display: flex;
    position: relative;
    z-index: 2;
  }

  .nav-toggle.open { background: var(--card-2); }

  body.nav-open { overflow: hidden; }

  body.nav-open::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 90;
    background: rgba(75, 67, 80, .22);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
  }

  .site-nav {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(300px, 82vw);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 6px;
    padding: 88px 22px 30px;
    background: rgba(255,253,248,.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-left: 1px solid var(--line-soft);
    transform: translateX(105%);
    transition: transform .3s ease, visibility 0s linear .3s;
    box-shadow: -20px 0 60px rgba(75,67,80,.18);
    visibility: hidden;
  }

  .site-nav.open {
    transform: translateX(0);
    visibility: visible;
    transition-delay: 0s;
  }

  .site-nav a {
    padding: 13px 16px;
    font-size: .95rem;
    border-radius: 12px;
  }

  .site-nav .nav-cta { text-align: center; margin-top: 10px; }
}

@media (max-width: 760px) {
  .hero { padding: 128px 20px 90px; }
  .hero-visual { height: 150px; }
  .hero-wave { height: 150px; }

  .product-hero { padding: 126px 20px 56px; }
  .product-stage { margin-bottom: 26px; }

  .section { padding-left: 20px; padding-right: 20px; }

  .sp-only { display: inline; }

  .footer-inner { flex-direction: column; }
  .footer-links { gap: 30px; }
}

@media (max-width: 420px) {
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
}

/* ======== Article ======== */
.article-breadcrumb {
  max-width: 720px;
  margin: 0 auto;
  padding: 96px 24px 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .8rem;
  color: var(--text-faint);
}

.article-list {
  max-width: 720px;
  margin: 0 auto;
  grid-template-columns: 1fr;
}

.article-breadcrumb a {
  color: var(--text-dim);
  transition: color .2s;
}

.article-breadcrumb a:hover {
  color: var(--pink-deep);
}

.article-hero {
  padding-bottom: 30px;
}

.article-hero .section-title {
  font-size: clamp(2rem, 6vw, 3rem);
}

.article-meta {
  margin-top: 14px;
  font-size: .82rem;
  color: var(--text-faint);
  letter-spacing: .05em;
}

.kicker-keep-case {
  text-transform: none;
  letter-spacing: .12em;
}

.article-body {
  max-width: 720px;
  margin: 0 auto 120px;
  padding: 0 24px;
  color: var(--text);
  line-height: 1.9;
}

.article-toc {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 22px 26px;
  margin-bottom: 56px;
}

.article-toc-title {
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .15em;
  color: var(--pink-deep);
  margin-bottom: 14px;
}

.article-toc ol {
  margin: 0;
  list-style: none;
  counter-reset: toc;
}

.article-toc li {
  counter-increment: toc;
  margin-bottom: 8px;
}

.article-toc li:last-child {
  margin-bottom: 0;
}

.article-toc li a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 6px 0;
  font-size: .95rem;
  color: var(--text);
  border-bottom: 1px dashed var(--line-soft);
  transition: color .2s;
}

.article-toc li:last-child a {
  border-bottom: none;
}

.article-toc li a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-en);
  font-size: .78rem;
  font-weight: 800;
  color: var(--pink-deep);
  flex-shrink: 0;
}

.article-toc li a:hover {
  color: var(--pink-deep);
}

.article-section {
  margin-bottom: 56px;
}

.article-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--pink-deep);
  scroll-margin-top: 96px;
}

.article-section p {
  margin-bottom: 18px;
  font-size: 1.05rem;
}

.article-section ul {
  margin: 18px 0 18px 1.5em;
}

.article-section li {
  margin-bottom: 10px;
}

.article-section strong {
  color: var(--text);
  font-weight: 700;
}

.article-note {
  background: var(--lav-soft);
  border: 1px solid var(--line);
  border-left: 4px solid var(--lavender);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 26px 0;
}

.article-note p {
  margin: 0;
  font-size: .98rem;
}

.article-note strong {
  color: var(--lav-deep);
}

.article-summary {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  margin-top: 64px;
}

.article-related {
  margin-top: 24px;
}

.article-related .article-back {
  text-align: center;
}

.article-back {
  margin-top: 26px;
  font-size: .85rem;
  color: var(--text-dim);
}

.article-back a {
  color: var(--pink-deep);
  font-weight: 700;
}

.article-back a:hover {
  text-decoration: underline;
}

@media (max-width: 640px) {
  .article-breadcrumb {
    padding: 84px 20px 0;
  }
  .article-body {
    padding: 0 20px;
    margin-bottom: 80px;
  }
  .article-section h2 {
    font-size: 1.3rem;
  }
  .article-summary {
    padding: 22px;
  }
}

/* ============================================================
   NukesakuCOMPOSE Evolution / Development Log
   ============================================================ */
.evolution-page .article-breadcrumb,
.evolution-body {
  max-width: 1040px;
}

.evolution-hero {
  padding-top: 58px;
  padding-bottom: 24px;
}

.evolution-hero .section-head { max-width: 880px; }

.evolution-status {
  max-width: 960px;
  margin: 0 auto 16px;
  padding: 18px 22px;
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 20px;
  align-items: start;
  background: rgba(217, 169, 104, .12);
  border: 1px solid rgba(189, 138, 63, .24);
  border-left: 4px solid var(--amber);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
}

.evolution-status strong {
  color: var(--amber-deep);
  font-size: .92rem;
}

.evolution-status p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
}

.evolution-page-nav {
  max-width: 960px;
  margin: 0 auto 76px;
  padding: 13px 15px;
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 20px;
  align-items: center;
  background: rgba(255, 255, 255, .68);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(48, 44, 53, .045);
}

.evolution-page-nav > p {
  margin: 0;
  color: var(--text-dim);
  font-size: .76rem;
  font-weight: 700;
  line-height: 1.55;
}

.evolution-page-nav > p span {
  display: block;
  margin-bottom: 2px;
  color: var(--lav-deep);
  font-family: var(--font-en);
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .1em;
}

.evolution-page-nav > div {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.evolution-page-nav a {
  min-width: 0;
  padding: 8px 15px;
  color: var(--text);
  border-left: 1px solid var(--line-soft);
  transition: color .18s ease, background-color .18s ease;
}

.evolution-page-nav a:hover { color: var(--lav-deep); background: rgba(166, 152, 200, .07); }
.evolution-page-nav a span { display: block; color: var(--text-faint); font-family: var(--font-en); font-size: .58rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.evolution-page-nav a strong { display: block; margin-top: 2px; font-size: .75rem; white-space: nowrap; }

.evolution-visual-section {
  max-width: 1160px;
  margin: 0 auto 90px;
  padding: 0 24px;
}

.compact-head { margin-bottom: 34px; }
.compact-head .section-title { font-size: clamp(1.6rem, 4vw, 2.25rem); }

.evolution-visual-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 34px;
  align-items: stretch;
}

.evolution-shot-card {
  position: relative;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.evolution-shot-card:not(:last-child)::after {
  content: "→";
  position: absolute;
  z-index: 2;
  top: 29%;
  right: -27px;
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  color: rgba(111, 93, 165, .6);
  font-family: var(--font-en);
  font-size: 1rem;
  font-weight: 800;
}

.evolution-shot-formal { border-color: rgba(127, 192, 165, .26); }
.evolution-shot-current { border-color: rgba(162, 145, 201, .48); box-shadow: 0 13px 34px rgba(78, 62, 122, .12); }

.evolution-shot-frame {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #101722;
  border-bottom: 1px solid var(--line-soft);
  border-radius: calc(var(--radius) - 1px) calc(var(--radius) - 1px) 0 0;
}

.evolution-shot-frame.beta-shot { background: var(--card-2); }

.evolution-shot-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.evolution-shot-card figcaption {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px 21px 23px;
}

.evolution-stage-head {
  display: flex;
  align-items: center;
  gap: 9px;
}

.evolution-step {
  display: inline-grid;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--text-faint);
  background: var(--card-2);
  font-family: var(--font-en);
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .03em;
}

.evolution-shot-card figcaption strong {
  display: block;
  margin: 15px 0 8px;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--text);
}

.evolution-shot-card figcaption p {
  margin: 0;
  color: var(--text-dim);
  font-size: .84rem;
  line-height: 1.75;
}

.evolution-label {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 11px;
  border-radius: 999px;
  font-family: var(--font-en);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
}

.beta-label {
  color: var(--pink-deep);
  background: var(--pink-soft);
}

.formal-label {
  color: var(--mint-deep);
  background: var(--mint-soft);
}

.development-label {
  color: var(--lav-deep);
  background: var(--lav-soft);
}

.evolution-body {
  margin-bottom: 110px;
}

.evolution-body > .article-section { scroll-margin-top: 96px; }
.evolution-body > .article-section > p { max-width: 76ch; font-size: .98rem; line-height: 1.9; }
.evolution-body > .article-section > h2 { line-height: 1.45; }

.evolution-intro {
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.evolution-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.evolution-feature {
  position: relative;
  min-width: 0;
  padding: 28px;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: 0 5px 16px rgba(75, 67, 80, .06);
}

.evolution-feature::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--lavender);
}

.evolution-feature.feature-pink::before { background: var(--pink); }
.evolution-feature.feature-mint::before { background: var(--mint); }
.evolution-feature.feature-amber::before { background: var(--amber); }

.evolution-number {
  position: absolute;
  top: 18px;
  right: 22px;
  font-family: var(--font-en);
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--line);
}

.feature-kicker {
  margin: 0 42px 8px 0 !important;
  font-family: var(--font-en);
  font-size: .72rem !important;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--lav-deep);
}

.feature-pink .feature-kicker { color: var(--pink-deep); }
.feature-mint .feature-kicker { color: var(--mint-deep); }
.feature-amber .feature-kicker { color: var(--amber-deep); }

.evolution-feature h3 {
  margin: 0 0 12px;
  font-size: 1.08rem;
  line-height: 1.55;
  color: var(--text);
}

.evolution-feature > p:last-child {
  margin: 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.evolution-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--card);
  box-shadow: 0 5px 16px rgba(75, 67, 80, .05);
}

.evolution-scroll-hint {
  display: none;
  margin: -10px 0 10px !important;
  text-align: right;
  color: var(--text-faint);
  font-size: .78rem !important;
}

.evolution-table {
  width: 100%;
  min-width: 650px;
  border-collapse: collapse;
  font-size: .9rem;
}

.evolution-table th,
.evolution-table td {
  padding: 15px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
}

.evolution-table thead th {
  background: var(--lav-soft);
  color: var(--text);
  font-size: .78rem;
  letter-spacing: .06em;
}

.evolution-table tbody th {
  width: 19%;
  color: var(--text);
  font-weight: 800;
}

.evolution-table tbody td { color: var(--text-dim); }
.evolution-table tbody tr:nth-child(even) { background: rgba(166, 152, 200, .035); }
.evolution-table tbody tr:hover { background: rgba(166, 152, 200, .075); }
.evolution-table tr:last-child th,
.evolution-table tr:last-child td { border-bottom: none; }

.evolution-check-list {
  margin-left: 0 !important;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.evolution-check-list li {
  position: relative;
  margin: 0;
  padding: 15px 16px 15px 42px;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  font-size: .9rem;
  color: var(--text-dim);
}

.evolution-check-list li::before {
  content: "✓";
  position: absolute;
  top: 15px;
  left: 16px;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--mint-soft);
  color: var(--mint-deep);
  font-size: .72rem;
  font-weight: 900;
}

.evolution-summary {
  background: linear-gradient(145deg, var(--card), var(--lav-soft));
}

.evolution-cta {
  margin-top: 70px;
  padding: 44px 28px;
  text-align: center;
  background: linear-gradient(150deg, var(--pink-soft), var(--lav-soft));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.evolution-cta h2 {
  margin: 0 0 12px;
  color: var(--text);
  font-size: clamp(1.4rem, 4vw, 1.9rem);
}

.evolution-cta > p:not(.section-kicker) {
  max-width: 620px;
  margin: 0 auto 24px;
  color: var(--text-dim);
  font-size: .96rem;
}

/* ---------- COMPOSE version updates ---------- */
.update-110-overview {
  position: relative;
  padding: clamp(30px, 4.5vw, 48px);
  overflow: hidden;
  color: #f4f5fb;
  background:
    radial-gradient(circle at 12% 0%, rgba(124, 83, 225, .18), transparent 34%),
    radial-gradient(circle at 90% 100%, rgba(52, 174, 192, .1), transparent 36%),
    linear-gradient(145deg, #111827, #0b1421 72%);
  border: 1px solid rgba(130, 151, 190, .2);
  border-radius: 22px;
  box-shadow: 0 24px 60px rgba(20, 27, 42, .17);
}

.update-110-overview::after {
  content: "1.1.0";
  position: absolute;
  right: -14px;
  top: -30px;
  color: rgba(255, 255, 255, .025);
  font-family: var(--font-en);
  font-size: clamp(7rem, 16vw, 12rem);
  font-weight: 900;
  line-height: 1;
  pointer-events: none;
}

.update-150-overview {
  background:
    radial-gradient(circle at 9% 0%, rgba(62, 191, 214, .16), transparent 32%),
    radial-gradient(circle at 94% 92%, rgba(219, 74, 149, .11), transparent 38%),
    linear-gradient(145deg, #0d1724, #09121e 72%);
  border-color: rgba(89, 190, 208, .24);
}

.update-150-overview::after { content: "1.5.0"; }
.update-150-overview .update-110-heading .section-kicker { color: #74d3df; }
.update-150-overview .update-110-points span { color: #65cbdb; }
.update-150-overview .update-110-points > div:nth-child(3) span { color: #b394ff; }
.update-150-overview .update-110-points > div:nth-child(4) span { color: #f06cab; }

.update-110-heading { position: relative; z-index: 1; max-width: 760px; }
.update-110-heading .section-kicker { color: #aa91f7; }
.update-110-heading h2 { margin-bottom: 14px; color: #fff; font-size: clamp(1.55rem, 3.7vw, 2.35rem); }
.update-110-heading > p:last-child { margin: 0; color: rgba(235, 239, 249, .73); font-size: .95rem; line-height: 1.9; }
.update-110-heading strong { color: #8fd8e7; }

.update-110-points {
  position: relative;
  z-index: 1;
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
}

.update-110-points > div {
  min-width: 0;
  padding: 17px 16px;
  background: rgba(255, 255, 255, .035);
  border: 1px solid rgba(255, 255, 255, .075);
  border-radius: 12px;
}

.update-110-points span { display: block; margin-bottom: 8px; color: #8a6df0; font-family: var(--font-en); font-size: .65rem; font-weight: 800; }
.update-110-points strong { display: block; margin-bottom: 6px; color: #f5f6fb; font-size: .82rem; }
.update-110-points p { margin: 0 !important; color: rgba(235, 239, 249, .58) !important; font-size: .72rem !important; line-height: 1.65 !important; }

.anchor-alias { position: absolute; inset: 0 auto auto 0; scroll-margin-top: 96px; }

.update-110-actions {
  position: relative;
  z-index: 1;
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
}

.update-110-actions .btn { min-width: 270px; justify-content: center; }
.update-110-actions > span { color: rgba(235, 239, 249, .48); font-size: .7rem; font-weight: 700; }

.manual-100 {
  margin-top: 96px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(250px, .55fr);
  overflow: hidden;
  color: #f4f5fb;
  background:
    radial-gradient(circle at 87% 14%, rgba(135, 97, 221, .15), transparent 32%),
    linear-gradient(145deg, #171925, #111520 74%);
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 22px;
  box-shadow: 0 30px 78px rgba(21, 22, 37, .18);
}

.manual-100-compact-copy {
  min-width: 0;
  padding: clamp(34px, 5vw, 58px);
}

.manual-100 .manual-overline {
  margin: 0 0 18px;
  color: #aa91f7;
  font-family: var(--font-en);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.manual-100 h2 {
  max-width: 690px;
  margin: 0 0 17px;
  color: #fff;
  font-size: clamp(1.7rem, 3.8vw, 2.55rem);
  line-height: 1.3;
  letter-spacing: -.035em;
}

.manual-100-compact-copy > p:not(.manual-overline) {
  max-width: 710px;
  margin: 0;
  color: rgba(235, 239, 249, .7);
  font-size: .91rem;
  line-height: 1.9;
}

.manual-100-summary-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.manual-100-summary-grid > div {
  position: relative;
  min-width: 0;
  padding: 16px 17px 15px 50px;
  background: rgba(255, 255, 255, .035);
  border: 1px solid rgba(255, 255, 255, .075);
  border-radius: 12px;
}

.manual-100-summary-grid span {
  position: absolute;
  left: 17px;
  top: 17px;
  color: #9b7beb;
  font-family: var(--font-en);
  font-size: .64rem;
  font-weight: 800;
}

.manual-100-summary-grid strong {
  display: block;
  color: #f4f5fb;
  font-size: .82rem;
}

.manual-100-summary-grid p {
  margin: 5px 0 0;
  color: rgba(235, 239, 249, .56);
  font-size: .7rem;
  line-height: 1.62;
}

.manual-100-actions {
  margin-top: 25px;
  display: flex;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
}

.manual-100-actions .btn { min-width: 246px; justify-content: center; }
.manual-100-actions > span { color: rgba(235, 239, 249, .48); font-size: .7rem; font-weight: 700; }

.manual-100-compact-visual {
  position: relative;
  min-height: 100%;
  padding: 44px 34px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(139, 98, 232, .92) 0 5px, transparent 5px),
    radial-gradient(circle at 82% 16%, rgba(100, 211, 220, .2), transparent 34%),
    linear-gradient(155deg, rgba(56, 48, 92, .72), rgba(20, 24, 37, .96));
  border-left: 1px solid rgba(255, 255, 255, .08);
}

.manual-100-compact-visual::before {
  content: "";
  position: absolute;
  width: 156px;
  height: 156px;
  right: -58px;
  top: -50px;
  border: 1px solid rgba(145, 222, 229, .14);
  border-radius: 50%;
}

.manual-100-compact-visual span,
.manual-100-compact-visual i {
  color: rgba(239, 242, 250, .52);
  font-family: var(--font-en);
  font-size: .6rem;
  font-style: normal;
  font-weight: 800;
  letter-spacing: .12em;
}

.manual-100-compact-visual strong {
  margin: 15px 0 7px;
  color: #fff;
  font-family: var(--font-en);
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  line-height: 1.04;
  letter-spacing: -.04em;
}

.manual-100-compact-visual em {
  margin-bottom: 32px;
  color: #75d2dd;
  font-family: var(--font-en);
  font-size: .83rem;
  font-style: normal;
  font-weight: 800;
}

@media (max-width: 900px) {
  .evolution-status {
    margin-left: 20px;
    margin-right: 20px;
  }

  .evolution-page-nav {
    margin-left: 20px;
    margin-right: 20px;
    grid-template-columns: 150px 1fr;
  }

  .evolution-page-nav > div { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; }
  .evolution-page-nav a { border: 1px solid var(--line-soft); border-radius: 9px; }

  .evolution-visual-grid,
  .evolution-feature-grid {
    grid-template-columns: 1fr;
  }

  .evolution-visual-grid { gap: 42px; }

  .evolution-shot-card:not(:last-child)::after {
    content: "↓";
    top: auto;
    right: 50%;
    bottom: -33px;
    transform: translateX(50%);
  }

  .update-110-points { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .manual-100 { grid-template-columns: 1fr; }
  .manual-100-compact-visual { min-height: 210px; border-top: 1px solid rgba(255, 255, 255, .08); border-left: 0; }
}

@media (max-width: 640px) {
  .evolution-hero { padding-top: 42px; }

  .evolution-status {
    grid-template-columns: 1fr;
    gap: 6px;
    margin-bottom: 12px;
    padding: 16px 18px;
  }

  .evolution-page-nav {
    margin: 0 20px 60px;
    padding: 16px;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .evolution-page-nav > div { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
  .evolution-page-nav a { padding: 10px 12px; border: 1px solid var(--line-soft); border-radius: 9px; background: rgba(255, 255, 255, .55); }

  .evolution-visual-section { padding: 0 20px; margin-bottom: 70px; }
  .evolution-shot-card figcaption { padding: 18px 19px 20px; }
  .evolution-feature { padding: 24px 22px; }

  .evolution-check-list { grid-template-columns: 1fr; }
  .evolution-scroll-hint { display: block; }
  .evolution-table-wrap { margin-right: -20px; }
  .evolution-cta { padding: 36px 20px; }
  .evolution-cta .hero-cta { flex-direction: column; }
  .evolution-cta .btn { width: 100%; }

  .update-110-overview { padding: 28px 21px; border-radius: 16px; }
  .update-110-points { grid-template-columns: 1fr; }
  .update-110-actions { align-items: stretch; flex-direction: column; }
  .update-110-actions .btn { width: 100%; min-width: 0; }
  .update-110-actions > span { text-align: center; }
  .manual-100 { margin-left: -4px; margin-right: -4px; border-radius: 15px; }
  .manual-100-compact-copy { padding: 34px 22px; }
  .manual-100-summary-grid { grid-template-columns: 1fr; }
  .manual-100-actions { align-items: stretch; flex-direction: column; }
  .manual-100-actions .btn { width: 100%; min-width: 0; }
  .manual-100-actions > span { text-align: center; }
  .manual-100-compact-visual { min-height: 190px; padding: 32px 27px; }
}

/* ============================================================
   2026 Brand Evolution — Warm Editorial × Music Tech
   Shared design system and homepage v2
   ============================================================ */
body {
  line-height: 1.72;
  letter-spacing: .012em;
  background:
    linear-gradient(rgba(250, 247, 241, .92), rgba(250, 247, 241, .92)),
    radial-gradient(circle at 15% 10%, rgba(166, 152, 200, .13), transparent 32%),
    var(--bg);
}

.bg-grid {
  position: absolute;
  inset: 0;
  opacity: .26;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.38), transparent 58%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.38), transparent 58%);
}

.bg-orb { opacity: .24; }

.site-header {
  background: rgba(250, 247, 241, .88);
  border-bottom-color: rgba(48, 44, 53, .08);
}

.site-header.scrolled {
  box-shadow: 0 10px 34px rgba(48, 44, 53, .075);
}

.header-inner {
  max-width: var(--content);
  min-height: 66px;
  padding: 10px 22px;
}

.brand { gap: 12px; }

.brand-knob {
  width: 24px;
  height: 24px;
  box-shadow: inset 0 0 0 3px var(--card), 0 3px 10px rgba(111, 93, 165, .2);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-tagline {
  margin-top: 4px;
  color: var(--text-faint);
  font-size: .52rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.site-nav { gap: 1px; }

.site-nav a {
  padding: 8px 12px;
  font-size: .8rem;
  letter-spacing: .02em;
}

.site-nav a:hover {
  transform: none;
  background: rgba(255, 253, 250, .8);
}

.site-nav .nav-cta {
  margin-left: 7px;
  padding-inline: 17px;
  background: var(--ink);
  box-shadow: 0 7px 18px rgba(21, 22, 28, .14);
}

.site-nav .nav-cta:hover { background: #2b2d36; }
.external-mark { margin-left: 3px; font-size: .75em; }

.section,
.section-wide {
  max-width: var(--content);
  padding: 112px 22px 16px;
}

.section-head { margin-bottom: 48px; }

.section-head-split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, .7fr);
  align-items: end;
  gap: 48px;
  text-align: left;
}

.section-head-split .section-desc {
  max-width: 470px;
  margin: 0 0 5px auto;
}

.section-kicker {
  margin-bottom: 11px;
  font-size: .69rem;
  letter-spacing: .2em;
}

.section-title {
  margin-bottom: 0;
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  line-height: 1.2;
  letter-spacing: -.035em;
}

.section-desc {
  font-size: .94rem;
  line-height: 1.85;
}

.card,
.route-card,
.research-card,
.editorial-link {
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease, background-color .24s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.btn {
  min-height: 46px;
  padding: 11px 20px;
  border-radius: 11px;
  font-size: .84rem;
  letter-spacing: .01em;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(125deg, #a763b9, #7664bd);
  box-shadow: 0 8px 24px rgba(118, 100, 189, .23);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(118, 100, 189, .28);
}

.btn-ghost {
  border-width: 1px;
  background: rgba(255, 253, 250, .7);
}

.btn-ghost:hover {
  transform: translateY(-2px);
  background: var(--card);
}

.btn-quiet {
  color: var(--text);
  border: 0;
  background: rgba(255,255,255,.56);
}

.btn-quiet:hover { transform: translateY(-2px); background: #fff; }

.btn-dark {
  color: #fff;
  background: var(--ink);
  box-shadow: 0 8px 22px rgba(21, 22, 28, .2);
}

.btn-dark:hover { transform: translateY(-2px); background: #292b34; }

.card-badges { gap: 8px; }

.badge {
  padding: 4px 10px;
  font-size: .63rem;
  line-height: 1.4;
}

.badge-development { color: #6f5da5; background: rgba(166,152,200,.16); border-color: rgba(166,152,200,.38); }
.badge-verified { color: #34735e; background: rgba(131,184,164,.17); border-color: rgba(131,184,164,.38); }
.badge-pending { color: #9a6f36; background: rgba(217,169,104,.17); border-color: rgba(217,169,104,.38); }

/* ---------- Homepage hero ---------- */
.home-hero {
  position: relative;
  padding: 142px 22px 72px;
  overflow: hidden;
}

.home-hero::before {
  content: "";
  position: absolute;
  width: 560px;
  height: 560px;
  top: -210px;
  right: -130px;
  border-radius: 50%;
  border: 1px solid rgba(166, 152, 200, .16);
  box-shadow: inset 0 0 0 70px rgba(220,160,166,.035), inset 0 0 0 140px rgba(131,184,164,.025);
  pointer-events: none;
}

.home-hero-grid {
  position: relative;
  z-index: 1;
  width: min(var(--content), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(520px, 1.18fr);
  align-items: center;
  gap: clamp(46px, 6vw, 88px);
}

.home-hero-copy { padding: 36px 0; }

.home-hero-copy .hero-eyebrow {
  margin-bottom: 20px;
  color: var(--lav-deep);
  font-size: .7rem;
  letter-spacing: .25em;
}

.home-hero-title {
  max-width: 620px;
  margin-bottom: 24px;
  color: var(--text);
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.065em;
}

.home-hero-title span {
  position: relative;
  z-index: 0;
  display: inline-block;
}

.home-hero-title span::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -.02em;
  right: -.08em;
  bottom: .08em;
  height: .25em;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(220,160,166,.34), rgba(166,152,200,.31), rgba(131,184,164,.26));
  transform: rotate(-1deg);
}

.home-hero-lead {
  max-width: 560px;
  margin-bottom: 30px;
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.95;
}

.home-hero-actions {
  display: flex;
  align-items: center;
  gap: 11px;
  flex-wrap: wrap;
}

.availability-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 17px;
  color: var(--text-faint);
  font-family: var(--font-en);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .04em;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint-deep);
  box-shadow: 0 0 0 4px rgba(131,184,164,.18);
}

.hero-product-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 18px;
  background: #0f131b;
  box-shadow: 0 36px 85px rgba(24, 24, 32, .23), 0 0 0 8px rgba(255,255,255,.44);
}

.hero-product-figure::after {
  content: "";
  position: absolute;
  inset: 38px 0 48px;
  pointer-events: none;
  box-shadow: inset 0 0 70px rgba(10,11,18,.18);
}

.product-window-bar {
  min-height: 38px;
  padding: 0 13px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  color: rgba(255,255,255,.54);
  background: #11151e;
  border-bottom: 1px solid rgba(255,255,255,.06);
  font-family: var(--font-en);
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.window-dots { display: flex; gap: 5px; }
.window-dots i { width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,.22); }
.window-dots i:nth-child(1) { background: rgba(220,160,166,.65); }
.window-dots i:nth-child(2) { background: rgba(217,169,104,.65); }
.window-dots i:nth-child(3) { background: rgba(131,184,164,.65); }

.development-chip {
  justify-self: end;
  padding: 3px 7px;
  border: 1px solid rgba(171,137,255,.28);
  border-radius: 999px;
  color: #c6b4ff;
  background: rgba(132,100,216,.13);
  letter-spacing: .08em;
}

.hero-product-figure > img {
  width: 100%;
  height: auto;
  background: #101721;
}

.hero-product-figure figcaption {
  position: relative;
  z-index: 2;
  min-height: 48px;
  padding: 0 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: rgba(255,255,255,.66);
  background: #11151e;
  font-size: .7rem;
}

.hero-product-figure figcaption strong { color: #fff; }
.hero-product-figure figcaption a { color: #c9b9ff; font-weight: 800; }

/* ---------- Three clear routes ---------- */
.quick-routes {
  width: min(var(--content), calc(100% - 44px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,253,250,.82);
  box-shadow: var(--shadow-soft);
}

.route-card {
  position: relative;
  min-height: 154px;
  padding: 26px 54px 25px 26px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--line-soft);
}

.route-card:last-child { border-right: 0; }
.route-card::before { content: ""; position: absolute; left: 0; top: 24px; bottom: 24px; width: 3px; border-radius: 0 3px 3px 0; background: var(--lavender); }
.route-learn::before { background: var(--mint); }
.route-watch::before { background: var(--pink); }
.route-card:hover { z-index: 1; transform: translateY(-3px); background: #fff; box-shadow: 0 16px 35px rgba(48,44,53,.09); }
.route-index { margin-bottom: 8px; color: var(--text-faint); font-family: var(--font-en); font-size: .61rem; font-weight: 800; letter-spacing: .14em; }
.route-title { margin-bottom: 4px; color: var(--text); font-size: 1rem; font-weight: 800; }
.route-copy { color: var(--text-dim); font-size: .77rem; }
.route-arrow { position: absolute; right: 25px; top: 50%; transform: translateY(-50%); color: var(--text-faint); font-size: 1.2rem; transition: transform .2s, color .2s; }
.route-card:hover .route-arrow { color: var(--lav-deep); transform: translate(4px, -50%); }

/* ---------- Development showcase ---------- */
.dev-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(350px, .85fr);
  overflow: hidden;
  border-radius: 24px;
  color: #f5f3fa;
  background: #151821;
  box-shadow: 0 28px 70px rgba(22, 24, 33, .19);
}

.dev-showcase-visual {
  position: relative;
  min-height: 100%;
  display: block;
  overflow: hidden;
  background: #0d1118;
}

.dev-showcase-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 70%, rgba(21,24,33,.72));
  pointer-events: none;
}

.dev-showcase-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 52% center;
  transition: transform .6s ease;
}

.dev-showcase-visual:hover img { transform: scale(1.015); }

.image-label {
  position: absolute;
  z-index: 2;
  left: 18px;
  bottom: 17px;
  padding: 5px 9px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  color: rgba(255,255,255,.72);
  background: rgba(12,14,20,.72);
  backdrop-filter: blur(8px);
  font-family: var(--font-en);
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.dev-showcase-copy { padding: clamp(30px, 4.2vw, 54px); }
.dev-showcase-copy .card-badges { margin-bottom: 24px; }

.dev-overline {
  margin-bottom: 10px;
  color: #b7a5ef;
  font-family: var(--font-en);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .17em;
  text-transform: uppercase;
}

.dev-showcase-copy h3 {
  margin-bottom: 18px;
  color: #fff;
  font-size: clamp(1.65rem, 3vw, 2.55rem);
  line-height: 1.35;
  letter-spacing: -.035em;
}

.dev-showcase-copy > p:not(.dev-overline):not(.truth-note) { color: rgba(243,241,248,.7); font-size: .87rem; line-height: 1.9; }

.progress-list { list-style: none; margin: 24px 0; border-top: 1px solid rgba(255,255,255,.08); }
.progress-list li { padding: 10px 0; display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px solid rgba(255,255,255,.08); font-size: .74rem; }
.progress-list span { color: rgba(255,255,255,.62); }
.progress-list strong { color: rgba(255,255,255,.88); font-weight: 700; text-align: right; }
.dev-showcase .card-actions { margin-top: 26px; }
.dev-showcase .btn-primary { box-shadow: none; }
.truth-note { margin-top: 18px; color: rgba(255,255,255,.62); font-size: .68rem; line-height: 1.65; }

/* ---------- Product presentation ---------- */
.compose-feature-card {
  display: grid;
  grid-template-columns: minmax(370px, .8fr) minmax(0, 1.2fr);
  align-items: stretch;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--card);
  box-shadow: var(--shadow-soft);
}

.compose-feature-copy { padding: clamp(30px, 4vw, 52px); }
.compose-feature-copy .card-badges { margin-bottom: 24px; }
.compose-feature-copy h3 { margin-bottom: 15px; font-family: var(--font-en); font-size: clamp(1.85rem, 4vw, 3rem); line-height: 1.08; letter-spacing: -.04em; }
.compose-feature-lead { max-width: 490px; color: var(--text-dim); font-size: .93rem; line-height: 1.9; }

.product-facts {
  margin: 25px 0 18px;
  display: flex;
  align-items: stretch;
  border-block: 1px solid var(--line-soft);
}

.product-facts span { padding: 13px 17px; color: var(--text-faint); border-right: 1px solid var(--line-soft); font-size: .7rem; }
.product-facts span:first-child { padding-left: 0; }
.product-facts span:last-child { border-right: 0; }
.product-facts strong { display: block; color: var(--text); font-family: var(--font-en); font-size: .9rem; }
.compose-feature-copy .card-actions { margin-top: 24px; }

.compose-feature-image {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  background: #eee9df;
}

.compose-feature-image::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 20px 0 45px rgba(36,31,42,.08);
}

.compose-feature-image img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }

.research-grid { margin-top: 18px; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }

.research-card {
  position: relative;
  min-height: 210px;
  padding: 30px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(255,253,250,.68);
}

.research-card:hover { transform: translateY(-2px); border-color: var(--line); background: var(--card); box-shadow: var(--shadow-soft); }
.research-state { color: var(--text-faint); font-family: var(--font-en); font-size: .59rem; font-weight: 800; letter-spacing: .16em; }
.research-card h3 { margin: 34px 0 7px; font-family: var(--font-en); font-size: 1.25rem; letter-spacing: -.02em; }
.research-card p { max-width: 410px; color: var(--text-dim); font-size: .82rem; }
.research-note { display: block; margin-top: 13px; color: var(--text-faint); font-size: .68rem; font-weight: 700; }

.research-glyph { position: absolute; top: 25px; right: 28px; width: 120px; height: 58px; }
.research-glyph::before { content: ""; position: absolute; left: 0; right: 0; top: 29px; height: 1px; background: var(--line); }
.research-glyph i { position: absolute; width: 12px; height: 12px; top: 23px; border: 2px solid var(--pink); border-radius: 50%; background: var(--card); }
.research-glyph i:nth-child(1) { left: 9px; }
.research-glyph i:nth-child(2) { left: 52px; top: 10px; border-color: var(--lavender); }
.research-glyph i:nth-child(3) { right: 7px; top: 34px; border-color: var(--mint); }
.chop-glyph { display: flex; align-items: flex-end; justify-content: flex-end; gap: 7px; }
.chop-glyph::before { display: none; }
.chop-glyph i { position: static; width: 13px; border: 0; border-radius: 4px 4px 2px 2px; background: var(--mint); opacity: .72; }
.chop-glyph i:nth-child(1) { height: 22px; }
.chop-glyph i:nth-child(2) { height: 46px; }
.chop-glyph i:nth-child(3) { height: 31px; background: var(--lavender); }
.chop-glyph i:nth-child(4) { height: 54px; background: var(--pink); }

/* ---------- Learn and video ---------- */
.learn-watch-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr); gap: 18px; }
.learning-panel, .youtube-panel { padding: clamp(27px, 4vw, 42px); border-radius: 24px; }
.learning-panel { border: 1px solid var(--line); background: var(--card); box-shadow: var(--shadow-soft); }

.panel-heading { margin-bottom: 25px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; }
.panel-number { width: 37px; height: 37px; display: grid; place-items: center; border-radius: 50%; color: var(--lav-deep); background: var(--lav-soft); font-family: var(--font-en); font-size: .68rem; font-weight: 800; }
.panel-heading p, .channel-lockup p { color: var(--text-faint); font-family: var(--font-en); font-size: .58rem; font-weight: 800; letter-spacing: .15em; }
.panel-heading h3, .channel-lockup h3 { font-size: 1.15rem; line-height: 1.35; }
.panel-heading > a { color: var(--lav-deep); font-size: .72rem; font-weight: 800; }

.editorial-link { position: relative; padding: 20px 38px 20px 0; display: block; border-top: 1px solid var(--line-soft); }
.editorial-link:last-child { border-bottom: 1px solid var(--line-soft); }
.editorial-link:hover { padding-left: 8px; color: var(--lav-deep); }
.editorial-link > span:last-child { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); color: var(--text-faint); }
.editorial-category { display: block; margin-bottom: 6px; color: var(--text-faint); font-family: var(--font-en); font-size: .58rem; font-weight: 800; letter-spacing: .11em; }
.editorial-link strong { display: block; font-size: .9rem; line-height: 1.65; }

.youtube-panel { position: relative; overflow: hidden; color: #fff; background: linear-gradient(145deg, #20212a, #15161c); box-shadow: 0 24px 55px rgba(21,22,28,.16); }
.youtube-panel::after { content: ""; position: absolute; width: 230px; height: 230px; right: -95px; bottom: -115px; border: 1px solid rgba(220,160,166,.25); border-radius: 50%; box-shadow: 0 0 0 38px rgba(166,152,200,.035), 0 0 0 76px rgba(131,184,164,.025); }
.channel-lockup { position: relative; z-index: 1; display: flex; align-items: center; gap: 14px; }
.channel-lockup img { width: 58px; height: 58px; object-fit: cover; border: 2px solid rgba(255,255,255,.12); border-radius: 50%; }
.channel-lockup p { color: rgba(255,255,255,.66); }
.youtube-panel > p { position: relative; z-index: 1; max-width: 460px; margin: 28px 0; color: rgba(255,255,255,.67); font-size: .88rem; line-height: 1.9; }
.youtube-actions { position: relative; z-index: 1; display: flex; align-items: center; gap: 19px; flex-wrap: wrap; }
.youtube-actions .btn-dark { color: var(--ink); background: #fff; }
.youtube-actions .btn-dark:hover { background: #f1edf8; }
.text-link { color: #cabcf0; font-size: .76rem; font-weight: 800; }

/* ---------- About and contact ---------- */
.manifesto-card {
  padding: clamp(36px, 6vw, 72px);
  display: grid;
  grid-template-columns: minmax(280px, .75fr) minmax(0, 1.25fr);
  gap: clamp(48px, 8vw, 100px);
  border: 1px solid var(--line-soft);
  border-radius: 24px;
  background:
    radial-gradient(80% 140% at 0% 0%, rgba(220,160,166,.14), transparent 60%),
    radial-gradient(80% 140% at 100% 100%, rgba(131,184,164,.12), transparent 60%),
    var(--card);
}

.manifesto-heading h2 { font-size: clamp(1.8rem, 4vw, 2.9rem); line-height: 1.4; letter-spacing: -.04em; }
.manifesto-copy > p { margin-bottom: 35px; color: var(--text-dim); font-size: .96rem; line-height: 2; }
.principles { border-top: 1px solid var(--line); }
.principles > div { padding: 17px 0; display: grid; grid-template-columns: 38px 1fr; gap: 14px; border-bottom: 1px solid var(--line-soft); }
.principles dt { color: var(--lav-deep); font-family: var(--font-en); font-size: .64rem; font-weight: 800; }
.principles dd { display: flex; flex-direction: column; gap: 3px; }
.principles strong { font-size: .88rem; }
.principles span { color: var(--text-dim); font-size: .76rem; }

.contact-section { padding-bottom: 80px; }
.contact-callout { position: relative; padding: clamp(38px, 6vw, 70px); overflow: hidden; border-radius: 24px; text-align: center; background: linear-gradient(145deg, rgba(220,160,166,.16), rgba(166,152,200,.15) 50%, rgba(131,184,164,.13)); border: 1px solid var(--line-soft); }
.contact-callout::before, .contact-callout::after { content: ""; position: absolute; border: 1px solid rgba(166,152,200,.18); border-radius: 50%; }
.contact-callout::before { width: 230px; height: 230px; left: -155px; top: -120px; }
.contact-callout::after { width: 170px; height: 170px; right: -105px; bottom: -105px; }
.contact-callout h2 { margin-bottom: 13px; font-size: clamp(1.8rem, 4vw, 2.9rem); line-height: 1.35; letter-spacing: -.04em; }
.contact-callout > p:not(.section-kicker) { color: var(--text-dim); font-size: .9rem; }
.contact-actions { position: relative; z-index: 1; margin-top: 25px; display: flex; justify-content: center; gap: 11px; flex-wrap: wrap; }

/* ---------- Footer v2 ---------- */
.site-footer-v2 { margin-top: 10px; padding-top: 60px; background: var(--ink); border-top: 0; }
.site-footer-v2 .footer-inner { max-width: var(--content); }
.site-footer-v2 .brand-name { color: #fff; }
.site-footer-v2 .footer-brand p { color: rgba(255,255,255,.66); }
.site-footer-v2 .footer-col h4 { color: rgba(255,255,255,.6); }
.site-footer-v2 .footer-col a { color: rgba(255,255,255,.72); }
.site-footer-v2 .footer-col a:hover { color: #fff; }
.site-footer-v2 .footer-bottom { max-width: var(--content); display: flex; justify-content: space-between; color: rgba(255,255,255,.58); border-top-color: rgba(255,255,255,.08); }

/* ---------- Legacy/detail pages receive the same polish ---------- */
.product-hero { padding-top: 142px; }
.product-stage { max-width: 820px; border-radius: 18px; box-shadow: 0 24px 65px rgba(48,44,53,.16); }
.article-breadcrumb { color: var(--text-faint); }
.article-hero .section-head { max-width: 760px; margin-inline: auto; }
.article-body { max-width: 760px; }
.evolution-body { max-width: 1040px; }
.article-toc, .article-summary, .evolution-table-wrap { box-shadow: 0 8px 26px rgba(48,44,53,.055); }
.evolution-shot-card, .evolution-feature { box-shadow: 0 10px 30px rgba(48,44,53,.065); }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .home-hero-grid { grid-template-columns: minmax(0, .9fr) minmax(470px, 1.1fr); gap: 42px; }
  .home-hero-title { font-size: clamp(2.45rem, 5.4vw, 3.8rem); }
  .dev-showcase { grid-template-columns: 1fr; }
  .dev-showcase-visual { aspect-ratio: 16 / 9; }
  .dev-showcase-visual::after { background: linear-gradient(0deg, rgba(21,24,33,.52), transparent 38%); }
  .compose-feature-card { grid-template-columns: 1fr; }
  .compose-feature-image { min-height: 0; aspect-ratio: 1180 / 780; }
}

@media (max-width: 900px) {
  .brand-tagline { display: none; }
  .site-nav a { font-size: .92rem; }
  .site-nav .nav-cta { margin-left: 0; }
  .home-hero { padding-top: 118px; }
  .home-hero-grid { grid-template-columns: 1fr; }
  .home-hero-copy { max-width: 690px; padding-bottom: 0; }
  .hero-product-figure { max-width: 760px; }
  .section-head-split { grid-template-columns: 1fr; gap: 18px; }
  .section-head-split .section-desc { margin-left: 0; }
  .learn-watch-grid { grid-template-columns: 1fr; }
  .manifesto-card { grid-template-columns: 1fr; gap: 35px; }
}

@media (max-width: 760px) {
  .section, .section-wide { padding-top: 86px; }
  .home-hero { padding: 112px 20px 52px; }
  .home-hero-title { font-size: clamp(2.25rem, 11vw, 3.45rem); }
  .home-hero-lead { font-size: .92rem; }
  .quick-routes { width: calc(100% - 40px); grid-template-columns: 1fr; }
  .route-card { min-height: 126px; border-right: 0; border-bottom: 1px solid var(--line-soft); }
  .route-card:last-child { border-bottom: 0; }
  .research-grid { grid-template-columns: 1fr; }
  .dev-showcase-copy, .compose-feature-copy { padding: 29px 24px; }
  .product-facts { display: grid; grid-template-columns: repeat(3, 1fr); }
  .product-facts span { padding: 11px 9px; }
  .manifesto-card { padding: 32px 24px; }
  .site-footer-v2 .footer-bottom { align-items: center; gap: 6px; flex-direction: column; }
}

@media (max-width: 560px) {
  .header-inner { min-height: 62px; padding-inline: 18px; }
  .brand-name { font-size: .94rem; }
  .home-hero-actions, .contact-actions { align-items: stretch; flex-direction: column; }
  .home-hero-actions .btn, .contact-actions .btn { width: 100%; }
  .availability-note { align-items: flex-start; flex-wrap: wrap; line-height: 1.5; }
  .hero-product-figure { border-radius: 12px; box-shadow: 0 21px 52px rgba(24,24,32,.2), 0 0 0 5px rgba(255,255,255,.45); }
  .product-window-bar { grid-template-columns: 1fr auto; }
  .product-window-bar > span:nth-child(2) { display: none; }
  .hero-product-figure figcaption { align-items: flex-start; flex-direction: column; gap: 2px; padding-block: 10px; }
  .section-title { font-size: clamp(1.75rem, 9vw, 2.35rem); }
  .dev-showcase { border-radius: 18px; }
  .dev-showcase-visual { aspect-ratio: 4 / 3; }
  .dev-showcase-copy .card-actions, .compose-feature-copy .card-actions { flex-direction: column; }
  .dev-showcase-copy .btn, .compose-feature-copy .btn { width: 100%; }
  .progress-list li { flex-direction: column; gap: 2px; }
  .progress-list strong { text-align: left; }
  .product-facts { grid-template-columns: 1fr; }
  .product-facts span, .product-facts span:first-child { padding: 10px 0; border-right: 0; border-bottom: 1px solid var(--line-soft); }
  .product-facts span:last-child { border-bottom: 0; }
  .research-glyph { opacity: .5; }
  .panel-heading { grid-template-columns: auto 1fr; }
  .panel-heading > a { grid-column: 2; }
  .youtube-actions { align-items: flex-start; flex-direction: column; }
  .manifesto-heading h2, .contact-callout h2 { font-size: 1.78rem; }
  .principles > div { grid-template-columns: 30px 1fr; }
}

/* ============================================================
   NukesakuCOMPOSE Beta — product landing page v2
   ============================================================ */
.compose-hero {
  padding: 142px 22px 76px;
  background:
    radial-gradient(48% 60% at 78% 18%, rgba(166,152,200,.16), transparent 68%),
    radial-gradient(38% 48% at 14% 82%, rgba(220,160,166,.13), transparent 70%);
}

.compose-hero-grid {
  width: min(var(--content), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(360px, .78fr) minmax(0, 1.22fr);
  align-items: center;
  gap: clamp(48px, 6vw, 86px);
}

.compose-hero-copy .card-badges { margin-bottom: 22px; }
.compose-hero-copy .hero-eyebrow { margin-bottom: 13px; font-size: .66rem; }

.compose-hero-copy h1 {
  margin-bottom: 17px;
  font-family: var(--font-en);
  font-size: clamp(2.6rem, 5.2vw, 4.5rem);
  font-weight: 800;
  line-height: .98;
  letter-spacing: -.055em;
}

.compose-hero-copy h1 span { display: block; color: var(--lav-deep); }
.compose-catch { margin-bottom: 12px; color: var(--pink-deep); font-size: clamp(1.08rem, 2.1vw, 1.35rem); font-weight: 800; }
.compose-lead { max-width: 510px; margin-bottom: 28px; color: var(--text-dim); font-size: .94rem; line-height: 1.9; }

.compose-platform-list { list-style: none; margin-top: 20px; display: flex; gap: 7px; flex-wrap: wrap; }
.compose-platform-list li { padding: 4px 10px; color: var(--text-faint); border: 1px solid var(--line-soft); border-radius: 999px; background: rgba(255,255,255,.58); font-family: var(--font-en); font-size: .63rem; font-weight: 700; }

.compose-hero-shot { position: relative; margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 19px; background: var(--bg-soft); box-shadow: 0 30px 80px rgba(48,44,53,.18), 0 0 0 8px rgba(255,255,255,.5); }
.compose-hero-shot img { width: 100%; height: auto; }
.compose-hero-shot figcaption { min-height: 43px; padding: 0 15px; display: flex; align-items: center; justify-content: space-between; color: rgba(255,255,255,.58); background: var(--ink); font-family: var(--font-en); font-size: .61rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.compose-hero-shot figcaption strong { color: #c8b7ff; }

.release-notice { width: min(var(--content), calc(100% - 44px)); margin: 0 auto; padding: 18px 22px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 20px; border: 1px solid rgba(166,152,200,.28); border-radius: 14px; background: linear-gradient(120deg, rgba(166,152,200,.13), rgba(220,160,166,.08)); }
.release-notice-label { padding: 5px 10px; border-radius: 999px; color: var(--lav-deep); background: rgba(255,255,255,.65); font-family: var(--font-en); font-size: .58rem; font-weight: 800; letter-spacing: .12em; white-space: nowrap; }
.release-notice p { color: var(--text-dim); font-size: .78rem; }
.release-notice p strong { color: var(--text); }
.release-notice a { color: var(--lav-deep); font-size: .73rem; font-weight: 800; white-space: nowrap; }

.lane-feature-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 10px; }
.lane-feature { position: relative; min-height: 188px; padding: 24px 20px; overflow: hidden; border: 1px solid var(--line-soft); border-radius: 16px; background: var(--card); }
.lane-feature::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--lavender); }
.lane-feature > span { color: var(--text-faint); font-family: var(--font-en); font-size: .59rem; font-weight: 800; }
.lane-feature h3 { margin: 52px 0 6px; font-family: var(--font-en); font-size: .9rem; letter-spacing: .03em; }
.lane-feature p { color: var(--text-dim); font-size: .73rem; line-height: 1.65; }
.lane-melody::before { background: var(--pink); }
.lane-bass::before { background: #6fa9c5; }
.lane-arp::before { background: var(--mint); }
.lane-rhythm::before { background: var(--amber); }

.workflow-strip { margin-top: 18px; padding: 24px 26px; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: center; gap: 18px; border: 1px solid var(--line-soft); border-radius: 16px; background: rgba(255,253,250,.68); }
.workflow-strip div { display: flex; flex-direction: column; gap: 3px; }
.workflow-strip span { color: var(--lav-deep); font-family: var(--font-en); font-size: .58rem; font-weight: 800; letter-spacing: .13em; }
.workflow-strip strong { font-size: .74rem; line-height: 1.5; }
.workflow-strip > i { color: var(--text-faint); font-style: normal; }

.quickstart-grid { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 11px; counter-reset: none; }
.quickstart-grid li { position: relative; min-height: 250px; padding: 25px 20px; border: 1px solid var(--line-soft); border-radius: 17px; background: var(--card); box-shadow: 0 7px 22px rgba(48,44,53,.04); }
.quickstart-grid li > span { width: 31px; height: 31px; display: grid; place-items: center; border-radius: 50%; color: var(--lav-deep); background: var(--lav-soft); font-family: var(--font-en); font-size: .62rem; font-weight: 800; }
.quickstart-grid h3 { margin: 54px 0 10px; font-size: .91rem; }
.quickstart-grid p { color: var(--text-dim); font-size: .73rem; line-height: 1.75; }
.beginner-tip { margin-top: 16px; padding: 17px 20px; border: 1px solid rgba(131,184,164,.28); border-left: 4px solid var(--mint); border-radius: 12px; color: var(--text-dim); background: rgba(131,184,164,.09); font-size: .8rem; }
.beginner-tip strong { color: var(--mint-deep); }

.video-embed-premium { max-width: 960px; }
.video-embed-premium .video-frame { border-radius: 20px; box-shadow: 0 25px 65px rgba(30,27,45,.16); }

.spec-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(320px, 1.15fr); gap: 18px; align-items: stretch; }
.spec-box-v2 { width: 100%; max-width: none; margin: 0; padding: 30px; }
.compatibility-card { padding: clamp(28px, 4vw, 42px); border-radius: var(--radius); color: rgba(255,255,255,.72); background: var(--ink); }
.compatibility-label { margin-bottom: 20px; color: #c8b7ff; font-family: var(--font-en); font-size: .6rem; font-weight: 800; letter-spacing: .16em; }
.compatibility-card h3 { margin-bottom: 13px; color: #fff; font-size: 1.16rem; line-height: 1.55; }
.compatibility-card > p:not(.compatibility-label) { margin-bottom: 21px; font-size: .8rem; line-height: 1.85; }
.compatibility-card a { color: #c8b7ff; font-size: .75rem; font-weight: 800; }

.download-box-v2 { max-width: 900px; padding: clamp(42px, 6vw, 70px); border-radius: 24px; }
.download-box-v2 .home-hero-actions { justify-content: center; margin-top: 28px; }
.download-box-v2 .product-price-note { margin-top: 19px; }

@media (max-width: 1040px) {
  .compose-hero-grid { grid-template-columns: 1fr; }
  .compose-hero-copy { max-width: 680px; }
  .compose-hero-shot { max-width: 860px; }
  .lane-feature-grid, .quickstart-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
}

@media (max-width: 760px) {
  .compose-hero { padding: 116px 20px 58px; }
  .release-notice { width: calc(100% - 40px); grid-template-columns: 1fr; gap: 9px; }
  .release-notice-label { justify-self: start; }
  .lane-feature-grid, .quickstart-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .workflow-strip { grid-template-columns: 1fr; gap: 11px; }
  .workflow-strip > i { transform: rotate(90deg); justify-self: start; margin-left: 22px; }
  .spec-layout { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .compose-hero-copy h1 { font-size: 2.55rem; }
  .compose-hero-shot { border-radius: 12px; box-shadow: 0 22px 55px rgba(48,44,53,.17), 0 0 0 5px rgba(255,255,255,.5); }
  .lane-feature-grid, .quickstart-grid { grid-template-columns: 1fr; }
  .lane-feature { min-height: 150px; }
  .lane-feature h3 { margin-top: 35px; }
  .quickstart-grid li { min-height: 205px; }
  .quickstart-grid h3 { margin-top: 36px; }
}

/* ============================================================
   Knowledge hub v2
   ============================================================ */
.knowledge-hero {
  width: min(var(--content), calc(100% - 44px));
  min-height: 440px;
  margin: 38px auto 0;
  padding: clamp(38px, 6vw, 76px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, .72fr);
  align-items: center;
  gap: 50px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: 24px;
  background:
    radial-gradient(110% 150% at 100% 0%, rgba(131,184,164,.17), transparent 60%),
    radial-gradient(90% 130% at 0% 100%, rgba(166,152,200,.15), transparent 60%),
    var(--card);
  box-shadow: var(--shadow-soft);
}

.knowledge-hero-copy h1 { margin-bottom: 20px; font-size: clamp(2.35rem, 5.5vw, 4.4rem); line-height: 1.18; letter-spacing: -.055em; }
.knowledge-hero-copy h1 span { color: var(--lav-deep); }
.knowledge-hero-copy > p:last-child { max-width: 600px; color: var(--text-dim); font-size: .96rem; line-height: 1.95; }

.knowledge-visual { position: relative; min-height: 245px; display: flex; align-items: flex-end; justify-content: flex-end; }
.knowledge-visual > p { position: relative; z-index: 2; display: flex; align-items: baseline; gap: 8px; color: var(--text-faint); font-family: var(--font-en); }
.knowledge-visual > p strong { color: var(--text); font-size: 3.6rem; line-height: 1; }
.knowledge-visual > p span { font-size: .66rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.knowledge-staff { position: absolute; inset: 10px 0 50px; }
.knowledge-staff > i { position: absolute; left: 0; right: 0; height: 1px; background: rgba(48,44,53,.13); }
.knowledge-staff > i:nth-child(1) { top: 10%; }.knowledge-staff > i:nth-child(2) { top: 30%; }.knowledge-staff > i:nth-child(3) { top: 50%; }.knowledge-staff > i:nth-child(4) { top: 70%; }.knowledge-staff > i:nth-child(5) { top: 90%; }
.staff-note { position: absolute; width: 28px; height: 18px; border-radius: 50%; background: var(--lavender); transform: rotate(-14deg); }
.staff-note::after { content: ""; position: absolute; left: 22px; bottom: 8px; width: 2px; height: 62px; border-radius: 2px; background: inherit; }
.note-a { left: 13%; top: 47%; }.note-b { left: 48%; top: 14%; background: var(--pink); }.note-c { right: 11%; top: 65%; background: var(--mint); }

.knowledge-article-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.knowledge-article-card { position: relative; min-height: 430px; padding: clamp(28px, 4vw, 44px); overflow: hidden; border: 1px solid var(--line-soft); border-radius: 22px; background: var(--card); box-shadow: 0 10px 30px rgba(48,44,53,.055); transition: transform .24s, box-shadow .24s, border-color .24s; }
.knowledge-article-card:hover { transform: translateY(-4px); border-color: var(--line); box-shadow: var(--shadow-soft); }
.knowledge-card-link { position: absolute; inset: 0; z-index: 3; }
.knowledge-card-top { display: flex; align-items: center; justify-content: space-between; }
.knowledge-topic { color: var(--lav-deep); font-family: var(--font-en); font-size: .63rem; font-weight: 800; letter-spacing: .17em; }
.read-time { color: var(--text-faint); font-size: .68rem; }
.knowledge-article-card h2 { margin: 30px 0 12px; font-size: 1.65rem; letter-spacing: -.025em; }
.knowledge-article-card > p { max-width: 480px; color: var(--text-dim); font-size: .84rem; line-height: 1.85; }
.knowledge-read { position: absolute; left: clamp(28px, 4vw, 44px); bottom: 31px; color: var(--lav-deep); font-size: .76rem; font-weight: 800; }

.knowledge-diagram { height: 130px; margin: 29px 0 0; border-radius: 14px; background: var(--bg-soft); }
.midi-diagram { position: relative; display: flex; align-items: center; justify-content: center; gap: 7px; background-image: linear-gradient(var(--line-soft) 1px, transparent 1px), linear-gradient(90deg,var(--line-soft) 1px,transparent 1px); background-size: 26px 26px; }
.midi-diagram span { position: relative; z-index: 1; width: 55px; height: 14px; border-radius: 4px; background: linear-gradient(90deg,var(--lavender),var(--pink)); box-shadow: 0 5px 13px rgba(166,152,200,.18); }
.midi-diagram span:nth-child(1) { transform: translateY(25px); }.midi-diagram span:nth-child(2) { transform: translateY(8px); width: 40px; }.midi-diagram span:nth-child(3) { transform: translateY(-13px); width: 68px; }.midi-diagram span:nth-child(4) { transform: translateY(-2px); width: 46px; }
.midi-diagram i { position: absolute; left: 10%; right: 10%; bottom: 19px; height: 2px; background: rgba(131,184,164,.7); }
.chord-diagram { display: flex; align-items: center; justify-content: center; gap: 12px; }
.chord-diagram span { width: 55px; height: 55px; display: grid; place-items: center; border: 1px solid rgba(166,152,200,.27); border-radius: 12px; color: var(--text); background: rgba(255,255,255,.72); font-family: var(--font-en); font-weight: 800; }
.chord-diagram span:nth-of-type(2), .chord-diagram span:nth-of-type(4) { border-color: rgba(220,160,166,.3); }
.chord-diagram i { width: 13px; height: 1px; background: var(--text-faint); }

.knowledge-next-panel { padding: clamp(32px, 5vw, 54px); display: grid; grid-template-columns: minmax(260px,.72fr) minmax(0,1.28fr); gap: 65px; border: 1px solid var(--line-soft); border-radius: 22px; background: rgba(255,253,250,.68); }
.knowledge-next-panel h2 { margin-bottom: 12px; font-size: clamp(1.45rem, 3vw, 2.2rem); line-height: 1.4; }
.knowledge-next-panel > div > p:last-child { color: var(--text-dim); font-size: .8rem; }
.knowledge-next-panel ul { list-style: none; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.knowledge-next-panel li { padding: 13px 15px; border: 1px dashed var(--line); border-radius: 11px; color: var(--text-dim); background: rgba(255,255,255,.55); font-size: .78rem; }
.knowledge-next-panel li::after { content: "準備中"; float: right; color: var(--text-faint); font-size: .6rem; }

.knowledge-product-bridge { padding: 0 22px 70px; display: grid; grid-template-columns: minmax(340px,.78fr) minmax(0,1.22fr); overflow: hidden; border-radius: 24px; color: #fff; background: var(--ink); }
.knowledge-bridge-copy { padding: clamp(35px,5vw,64px); }
.knowledge-bridge-copy .section-kicker { color: #bdaaf1; }
.knowledge-bridge-copy h2 { margin-bottom: 14px; font-size: clamp(1.7rem,3.6vw,2.7rem); line-height: 1.35; }
.knowledge-bridge-copy p:not(.section-kicker) { margin-bottom: 25px; color: rgba(255,255,255,.65); font-size: .86rem; line-height: 1.85; }
.knowledge-product-bridge > img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }

@media (max-width: 900px) {
  .knowledge-hero { grid-template-columns: 1fr; }
  .knowledge-visual { min-height: 180px; }
  .knowledge-next-panel { grid-template-columns: 1fr; gap: 30px; }
  .knowledge-product-bridge { grid-template-columns: 1fr; padding-inline: 0; }
  .knowledge-product-bridge > img { aspect-ratio: 16/10; }
}

@media (max-width: 680px) {
  .knowledge-hero { width: calc(100% - 40px); min-height: 0; margin-top: 24px; padding: 32px 24px; }
  .knowledge-hero-copy h1 { font-size: 2.5rem; }
  .knowledge-article-grid { grid-template-columns: 1fr; }
  .knowledge-article-card { min-height: 410px; }
  .knowledge-next-panel ul { grid-template-columns: 1fr; }
  .knowledge-diagram { height: 115px; }
  .chord-diagram { gap: 6px; }
  .chord-diagram span { width: 46px; height: 46px; }
  .chord-diagram i { width: 8px; }
}

/* Article reading feedback and editorial polish */
.reading-progress {
  position: fixed;
  z-index: 110;
  top: 65px;
  left: 0;
  right: 0;
  height: 2px;
  pointer-events: none;
  background: transparent;
}

.reading-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--pink), var(--lavender), var(--mint));
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

.article-hero { padding-top: 54px; }
.article-hero .section-title { line-height: 1.36; }
.article-meta { padding: 5px 11px; display: inline-flex; border: 1px solid var(--line-soft); border-radius: 999px; background: rgba(255,255,255,.55); }
.article-body { color: #46404a; }
.article-section h2 { letter-spacing: -.025em; }
.article-section p { line-height: 2; }
.article-toc { border-left: 3px solid var(--lavender); }
.article-note { background: rgba(166,152,200,.1); }

@media (max-width: 900px) {
  .reading-progress { top: 61px; }
}

.not-found { min-height: 100svh; padding: 80px 22px; display: flex; align-items: center; justify-content: center; flex-direction: column; text-align: center; background: radial-gradient(circle at 50% 45%, rgba(166,152,200,.15), transparent 35%); }
.not-found-mark { margin-bottom: 26px; display: flex; align-items: center; gap: 13px; color: var(--text); font-family: var(--font-en); font-size: 4rem; font-weight: 800; line-height: 1; }
.not-found-mark i { width: 54px; height: 54px; border: 8px solid var(--lavender); border-radius: 50%; box-shadow: inset 0 0 0 8px var(--bg); background: var(--pink); }
.not-found h1 { margin-bottom: 13px; font-size: clamp(2rem,6vw,3.4rem); line-height: 1.35; letter-spacing: -.045em; }
.not-found > p:not(.section-kicker) { color: var(--text-dim); }
.not-found .home-hero-actions { margin-top: 27px; justify-content: center; }

/* ============================================================
   Knowledge Library — 15-article curriculum
   ============================================================ */
.knowledge-hero-copy .btn { margin-top: 26px; }

.course-overview {
  width: min(var(--content), calc(100% - 44px));
  margin: 18px auto 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: rgba(255,253,250,.76);
  box-shadow: var(--shadow-soft);
}

.course-overview a {
  position: relative;
  padding: 20px 50px 20px 22px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line-soft);
  transition: background .2s, color .2s;
}

.course-overview a:last-child { border-right: 0; }
.course-overview a:hover { background: var(--card); color: var(--lav-deep); }
.course-overview span { color: var(--text-faint); font-family: var(--font-en); font-size: .58rem; font-weight: 800; letter-spacing: .14em; }
.course-overview strong { margin-top: 4px; font-size: .9rem; }
.course-overview small { position: absolute; right: 20px; top: 50%; transform: translateY(-50%); color: var(--text-faint); font-size: .65rem; }

.curriculum-section { scroll-margin-top: 72px; }

.curriculum-head {
  margin-bottom: 28px;
  padding: clamp(26px,4vw,42px);
  display: grid;
  grid-template-columns: 74px 1fr;
  align-items: center;
  gap: 25px;
  border: 1px solid var(--line-soft);
  border-radius: 20px;
  background: var(--card);
}

.curriculum-number {
  width: 74px;
  height: 74px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--lav-deep);
  background: var(--lav-soft);
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 800;
}

.curriculum-pink .curriculum-number { color: var(--pink-deep); background: var(--pink-soft); }
.curriculum-mint .curriculum-number { color: var(--mint-deep); background: var(--mint-soft); }
.curriculum-head .section-kicker { margin-bottom: 4px; }
.curriculum-head h2 { margin-bottom: 7px; font-size: clamp(1.5rem,3vw,2.15rem); letter-spacing: -.03em; }
.curriculum-head > div:last-child > p:last-child { max-width: 700px; color: var(--text-dim); font-size: .82rem; }

.lesson-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }

.lesson-card {
  position: relative;
  min-height: 260px;
  padding: 25px 24px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: 17px;
  background: rgba(255,253,250,.83);
  transition: transform .22s, box-shadow .22s, border-color .22s;
}

.lesson-card > a { position: absolute; z-index: 3; inset: 0; }
.lesson-card:hover { transform: translateY(-3px); border-color: rgba(166,152,200,.35); background: var(--card); box-shadow: var(--shadow-soft); }
.lesson-order { position: absolute; right: 20px; top: 16px; color: rgba(48,44,53,.08); font-family: var(--font-en); font-size: 2.5rem; font-weight: 800; line-height: 1; }
.lesson-meta { position: relative; z-index: 1; display: flex; gap: 7px; align-items: center; }
.lesson-meta span { padding: 3px 8px; border: 1px solid var(--line-soft); border-radius: 999px; color: var(--text-faint); background: rgba(255,255,255,.58); font-family: var(--font-en); font-size: .56rem; font-weight: 800; letter-spacing: .08em; }
.lesson-card h3 { position: relative; z-index: 1; margin: 61px 0 9px; font-size: 1.04rem; letter-spacing: -.015em; }
.lesson-card p { position: relative; z-index: 1; color: var(--text-dim); font-size: .76rem; line-height: 1.75; }
.lesson-link { position: absolute; z-index: 1; left: 24px; bottom: 21px; color: var(--lav-deep); font-size: .69rem; font-weight: 800; }
.lesson-recommended { border-color: rgba(166,152,200,.42); background: linear-gradient(145deg,rgba(166,152,200,.13),var(--card)); }
.lesson-recommended::before { content: "おすすめの開始地点"; position: absolute; left: 24px; top: 58px; color: var(--lav-deep); font-size: .59rem; font-weight: 800; }
.lesson-recommended h3 { margin-top: 76px; }

/* ---------- Article learning components ---------- */
.article-lead-note {
  margin: 0 0 42px;
  padding: 20px 22px;
  border: 1px solid rgba(131,184,164,.3);
  border-left: 4px solid var(--mint);
  border-radius: 13px;
  color: var(--text-dim);
  background: rgba(131,184,164,.09);
  font-size: .88rem;
}

.article-lead-note strong { color: var(--mint-deep); }

.concept-grid {
  margin: 25px 0 30px;
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 12px;
}

.concept-grid.three { grid-template-columns: repeat(3,minmax(0,1fr)); }

.concept-card {
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-radius: 13px;
  background: var(--card);
}

.concept-card .concept-label { display: block; margin-bottom: 9px; color: var(--lav-deep); font-family: var(--font-en); font-size: .62rem; font-weight: 800; letter-spacing: .11em; }
.concept-card h3 { margin-bottom: 7px; font-size: .94rem; }
.concept-card p { margin: 0; color: var(--text-dim); font-size: .8rem; line-height: 1.75; }

.article-example {
  margin: 25px 0;
  padding: 22px;
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: 13px;
  background: #f4efe7;
}

.article-example-title { display: block; margin-bottom: 12px; color: var(--text-faint); font-family: var(--font-en); font-size: .61rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.article-example code { color: var(--text); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .84rem; font-weight: 700; white-space: nowrap; }
.article-example p { margin: 8px 0 0; color: var(--text-dim); font-size: .78rem; }

.term-table-wrap { margin: 25px 0 30px; overflow-x: auto; border: 1px solid var(--line); border-radius: 13px; background: var(--card); }
.term-table { width: 100%; min-width: 560px; border-collapse: collapse; }
.term-table th, .term-table td { padding: 13px 15px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line-soft); font-size: .78rem; }
.term-table th { width: 24%; color: var(--text); background: rgba(166,152,200,.09); }
.term-table td { color: var(--text-dim); }
.term-table tr:last-child th, .term-table tr:last-child td { border-bottom: 0; }

.article-checklist { list-style: none !important; margin: 25px 0 !important; padding: 0 !important; display: grid; gap: 9px; }
.article-checklist li { position: relative; margin: 0 !important; padding: 13px 15px 13px 43px; border: 1px solid var(--line-soft); border-radius: 11px; color: var(--text-dim); background: var(--card); font-size: .82rem; }
.article-checklist li::before { content: "✓"; position: absolute; left: 15px; top: 13px; width: 18px; height: 18px; display: grid; place-items: center; border-radius: 50%; color: var(--mint-deep); background: var(--mint-soft); font-size: .65rem; font-weight: 900; }

.article-steps { list-style: none !important; margin: 25px 0 !important; padding: 0 !important; counter-reset: article-step; }
.article-steps li { position: relative; margin: 0 !important; padding: 0 0 24px 50px; color: var(--text-dim); font-size: .85rem; }
.article-steps li::before { counter-increment: article-step; content: counter(article-step); position: absolute; left: 0; top: -2px; width: 31px; height: 31px; display: grid; place-items: center; border-radius: 50%; color: var(--lav-deep); background: var(--lav-soft); font-family: var(--font-en); font-size: .65rem; font-weight: 800; }
.article-steps li:not(:last-child)::after { content: ""; position: absolute; left: 15px; top: 32px; bottom: 2px; width: 1px; background: var(--line); }
.article-steps strong { display: block; margin-bottom: 3px; color: var(--text); }

.signal-chain { margin: 26px 0; display: flex; align-items: center; gap: 10px; overflow-x: auto; }
.signal-chain span { min-width: 112px; padding: 15px 14px; border: 1px solid var(--line); border-radius: 11px; text-align: center; color: var(--text); background: var(--card); font-size: .75rem; font-weight: 800; }
.signal-chain i { color: var(--text-faint); font-style: normal; }

.article-series-nav {
  margin: 54px 0 20px;
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 12px;
}

.article-series-nav a { min-height: 96px; padding: 17px 19px; display: flex; flex-direction: column; justify-content: center; border: 1px solid var(--line-soft); border-radius: 13px; background: var(--card); transition: transform .2s,border-color .2s; }
.article-series-nav a:hover { transform: translateY(-2px); border-color: var(--lavender); }
.article-series-nav span { margin-bottom: 4px; color: var(--text-faint); font-family: var(--font-en); font-size: .58rem; font-weight: 800; letter-spacing: .1em; }
.article-series-nav strong { color: var(--text); font-size: .8rem; }
.article-series-nav .next { text-align: right; }

@media (max-width: 900px) {
  .lesson-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 680px) {
  .course-overview { width: calc(100% - 40px); grid-template-columns: 1fr; }
  .course-overview a { border-right: 0; border-bottom: 1px solid var(--line-soft); }
  .course-overview a:last-child { border-bottom: 0; }
  .curriculum-head { grid-template-columns: 54px 1fr; gap: 16px; padding: 24px 20px; }
  .curriculum-number { width: 54px; height: 54px; font-size: .9rem; }
  .lesson-grid { grid-template-columns: 1fr; }
  .lesson-card { min-height: 235px; }
  .concept-grid, .concept-grid.three { grid-template-columns: 1fr; }
  .article-series-nav { grid-template-columns: 1fr; }
  .article-series-nav .next { text-align: left; }
}

/* ============================================================
   NukesakuCHOP — product preview
   ============================================================ */
.badge-chop {
  color: #8e463f;
  border-color: rgba(228, 126, 116, .34);
  background: rgba(241, 157, 146, .18);
}

.chop-hero {
  background:
    radial-gradient(48% 60% at 78% 18%, rgba(236, 135, 125, .17), transparent 68%),
    radial-gradient(38% 48% at 14% 82%, rgba(131, 184, 164, .15), transparent 70%);
}

.chop-hero-copy h1 span { color: #cf7067; }
.chop-hero-copy .compose-catch { color: #805294; }
.chop-hero-shot { border-color: rgba(228, 126, 116, .25); }
.chop-hero-shot figcaption strong { color: #f1a196; }
.chop-release-notice { border-color: rgba(228, 126, 116, .28); background: linear-gradient(120deg, rgba(238, 142, 132, .12), rgba(166, 152, 200, .09)); }
.chop-release-notice .release-notice-label,
.chop-release-notice a { color: #a14e48; }

.chop-module-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.chop-module {
  position: relative;
  min-height: 290px;
  padding: 27px 24px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  background: rgba(255, 253, 250, .82);
  box-shadow: 0 9px 28px rgba(48, 44, 53, .045);
}

.chop-module::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: var(--pink);
}

.module-inspector::before { background: var(--lavender); }
.module-pattern::before { background: var(--mint); }
.module-output::before { background: #e7b773; }
.module-number { color: rgba(48, 44, 53, .09); font-family: var(--font-en); font-size: 2.2rem; font-weight: 800; line-height: 1; }
.module-label { margin-top: 58px; color: var(--text-faint); font-family: var(--font-en); font-size: .57rem; font-weight: 800; letter-spacing: .15em; }
.chop-module h3 { margin: 6px 0 11px; font-family: var(--font-en); font-size: 1rem; letter-spacing: -.01em; }
.chop-module > p:last-child { color: var(--text-dim); font-size: .77rem; line-height: 1.8; }

.chop-protect-section {
  display: grid;
  grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr);
  align-items: center;
  gap: clamp(45px, 7vw, 92px);
}

.chop-protect-copy > p:last-child { margin-top: 18px; color: var(--text-dim); font-size: .88rem; line-height: 1.9; }
.chop-protect-grid { display: grid; gap: 13px; }
.chop-protect-grid article { min-height: 142px; padding: 23px 25px; display: grid; grid-template-columns: 48px 1fr; align-items: center; gap: 19px; border: 1px solid var(--line-soft); border-radius: 16px; background: var(--card); }
.chop-protect-grid article > span { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; color: #9b4f49; background: rgba(238, 142, 132, .17); font-family: var(--font-en); font-size: .75rem; font-weight: 900; }
.chop-protect-grid article:last-child > span { color: var(--lav-deep); background: var(--lav-soft); }
.chop-protect-grid h3 { margin-bottom: 6px; font-family: var(--font-en); font-size: .88rem; letter-spacing: .04em; }
.chop-protect-grid p { color: var(--text-dim); font-size: .76rem; line-height: 1.75; }

.chop-workflow-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.chop-workflow-grid li { min-height: 220px; }
.chop-workflow-grid li > span { color: #9b4f49; background: rgba(238, 142, 132, .16); }

.chop-range-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 11px; }
.chop-range-grid article { padding: 25px 22px; border: 1px solid var(--line-soft); border-radius: 16px; background: var(--card); }
.chop-range-grid span { display: block; color: var(--text-faint); font-family: var(--font-en); font-size: .58rem; font-weight: 800; letter-spacing: .13em; }
.chop-range-grid strong { display: block; margin: 28px 0 9px; color: #b75e56; font-family: var(--font-en); font-size: 1.75rem; line-height: 1; }
.chop-range-grid p { color: var(--text-dim); font-size: .73rem; line-height: 1.7; }

.chop-output-card { background: linear-gradient(145deg, #282533, #18191f); }
.chop-output-card .compatibility-label,
.chop-output-card a { color: #f1a196; }
.chop-spec-note { padding-top: 17px; border-top: 1px solid rgba(255, 255, 255, .11); color: rgba(255, 255, 255, .48) !important; font-size: .72rem !important; }
.chop-coming-soon { background: radial-gradient(80% 160% at 50% 100%, rgba(238, 142, 132, .13), transparent 70%), var(--card); }

.research-card[href] { display: block; }
.research-card[href] .research-note { color: #9b4f49; }
.research-card[href]::after { content: "→"; position: absolute; right: 29px; bottom: 27px; color: var(--text-faint); transition: transform .2s, color .2s; }
.research-card[href]:hover::after { color: #9b4f49; transform: translateX(4px); }

@media (max-width: 1040px) {
  .chop-module-grid,
  .chop-range-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .chop-protect-section { grid-template-columns: 1fr; gap: 30px; }
  .chop-workflow-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 520px) {
  .chop-module-grid,
  .chop-range-grid,
  .chop-workflow-grid { grid-template-columns: 1fr; }
  .chop-module { min-height: 235px; }
  .module-label { margin-top: 38px; }
  .chop-protect-grid article { grid-template-columns: 40px 1fr; padding: 20px; }
  .chop-protect-grid article > span { width: 40px; height: 40px; }
}