/* アプリと同じトークン（Theme.swift / Figma「gijilog · Tokens」）に、ページ用の色を少し足す */
  :root {
    --canvas: #f7f8f7; --surface: #ffffff; --surface2: #f2f4f2; --border: #e6e9e6; --hair: rgba(26, 31, 28, .08);
    --ink: #1a1f1c; --ink2: #5f6763; --ink3: #9aa09c;
    --accent: #2f7a4f; --accent-bg: #e8f3ec; --rec: #e5342b;
    --blue: #2f5f8a; --blue-bg: #e8f0f7; --amber: #b7791f; --amber-bg: #fbf3e3; --violet: #6b4fa3; --violet-bg: #f1ecf8;
    --paper: #fbf8ef;
    --band: #151816; --band-ink: #eef1ee; --band-ink2: #a7aeaa;
    --shadow-lg: 0 2px 4px rgba(20, 30, 24, .04), 0 24px 64px rgba(20, 30, 24, .16);
    --shadow-md: 0 1px 2px rgba(20, 30, 24, .05), 0 10px 30px rgba(20, 30, 24, .10);
    color-scheme: light;
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --canvas: #151816; --surface: #1d211f; --surface2: #262b28; --border: #2f3531; --hair: rgba(238, 241, 238, .08);
      --ink: #eef1ee; --ink2: #a7aeaa; --ink3: #7a817d;
      --accent: #6fbf8e; --accent-bg: #1f3a2a; --rec: #ff6b61;
      --blue: #7fb0dc; --blue-bg: #1f2e3b; --amber: #e0a84a; --amber-bg: #3a3020; --violet: #b7a2e0; --violet-bg: #2d2640;
      --paper: #24221c;
      --band: #0e100f;
      --shadow-lg: 0 2px 4px rgba(0, 0, 0, .3), 0 24px 64px rgba(0, 0, 0, .5);
      --shadow-md: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .4);
      color-scheme: dark;
    }
  }
  :root[data-theme="dark"] {
    --canvas: #151816; --surface: #1d211f; --surface2: #262b28; --border: #2f3531; --hair: rgba(238, 241, 238, .08);
    --ink: #eef1ee; --ink2: #a7aeaa; --ink3: #7a817d;
    --accent: #6fbf8e; --accent-bg: #1f3a2a; --rec: #ff6b61;
    --blue: #7fb0dc; --blue-bg: #1f2e3b; --amber: #e0a84a; --amber-bg: #3a3020; --violet: #b7a2e0; --violet-bg: #2d2640;
    --paper: #24221c; --band: #0e100f;
    color-scheme: dark;
  }

  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  body {
    margin: 0; background: var(--canvas); color: var(--ink);
    font-family: "Noto Sans JP", system-ui, -apple-system, sans-serif;
    font-size: 16px; line-height: 1.8; letter-spacing: .02em;
    -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  }
  a { color: inherit; }
  img { max-width: 100%; height: auto; display: block; }
  .mono { font-family: "DM Mono", ui-monospace, monospace; letter-spacing: 0; }
  .wrap { max-width: 1160px; margin: 0 auto; padding: 0 28px; }
  section { scroll-margin-top: 72px; }

  /* ---- ヘッダー ---- */
  header.top { position: sticky; top: 0; z-index: 20; backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
    background: color-mix(in srgb, var(--canvas) 78%, transparent); border-bottom: 1px solid transparent; transition: border-color .2s; }
  header.top.scrolled { border-bottom-color: var(--hair); }
  header.top .wrap { display: flex; align-items: center; gap: 28px; height: 64px; }
  .brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; }
  .brand svg { width: 17px; height: auto; color: var(--ink); }
  .brand span { font-family: "DM Mono", monospace; font-weight: 500; font-size: 18px; }
  nav.links { display: flex; gap: 26px; font-size: 14px; color: var(--ink2); margin-left: 12px; }
  nav.links a { text-decoration: none; transition: color .15s; }
  nav.links a:hover { color: var(--ink); }
  .top .right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

  .btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 12px 22px; border-radius: 999px; font-size: 15px; font-weight: 500;
    text-decoration: none; border: 1px solid transparent; transition: transform .15s ease, background-color .15s ease, box-shadow .15s ease; white-space: nowrap; }
  .btn:active { transform: scale(.97); }
  .btn.primary { background: var(--ink); color: var(--canvas); box-shadow: 0 1px 0 rgba(255,255,255,.12) inset, 0 6px 16px rgba(20,30,24,.18); }
  .btn.primary:hover { transform: translateY(-1px); }
  .btn.ghost { border-color: var(--border); background: var(--surface); color: var(--ink); }
  .btn.ghost:hover { background: var(--surface2); }
  .btn.small { padding: 8px 16px; font-size: 14px; }
  .btn svg { width: 16px; height: 16px; flex: none; }
  .rec-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--rec); box-shadow: 0 0 0 3px color-mix(in srgb, var(--rec) 22%, transparent); }

  /* ---- ヒーロー ---- */
  .hero { position: relative; padding: 96px 0 0; text-align: center; overflow: hidden; }
  .hero::before { content: ""; position: absolute; inset: -20% -10% auto; height: 900px; z-index: -1; pointer-events: none;
    background:
      radial-gradient(40% 50% at 20% 30%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
      radial-gradient(35% 45% at 80% 20%, color-mix(in srgb, var(--amber) 14%, transparent), transparent 70%),
      radial-gradient(50% 40% at 50% 70%, color-mix(in srgb, var(--blue) 10%, transparent), transparent 70%); }
  .badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 10px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border);
    font-size: 13px; color: var(--ink2); text-decoration: none; box-shadow: var(--shadow-md); }
  .badge b { font-family: "DM Mono", monospace; font-weight: 500; color: var(--accent); background: var(--accent-bg); padding: 1px 8px; border-radius: 999px; font-size: 12px; }
  /* 何のアプリかを一行で先に言う（見出しの上） */
  .hero .kicker { margin: 26px 0 0; font-size: clamp(14px, 1.5vw, 16px); font-weight: 600; color: var(--ink2); letter-spacing: .01em; }
  .hero h1 { font-size: clamp(38px, 7vw, 76px); line-height: 1.16; letter-spacing: -.02em; margin: 12px 0 22px; font-weight: 800; }
  .hero h1 .soft { color: var(--ink3); }
  .hero p.lead { font-size: clamp(16px, 2vw, 19px); color: var(--ink2); max-width: 600px; margin: 0 auto 36px; line-height: 1.9; }
  .hero .ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
  .hero .meta { margin-top: 16px; font-size: 13px; color: var(--ink3); }

  /* デスクトップの場面: メニューバー → ポップオーバー → 文字起こしウィンドウ */
  .scene { position: relative; margin: 72px auto 0; max-width: 1120px; aspect-ratio: 1120 / 700; border-radius: 22px; overflow: hidden;
    background:
      radial-gradient(60% 80% at 15% 100%, #9fbf9c, transparent 60%),
      radial-gradient(55% 70% at 90% 90%, #c7b48d, transparent 60%),
      radial-gradient(70% 60% at 50% 0%, #d9e2d5, transparent 70%),
      linear-gradient(160deg, #b9cdb6, #8fa98b 55%, #6f8c74);
    box-shadow: var(--shadow-lg); border: 1px solid var(--hair); }
  .scene .menubar { position: absolute; inset: 0 0 auto; height: 28px; display: flex; align-items: center; gap: 18px; padding: 0 14px;
    background: rgba(246, 247, 244, .82); font-size: 12.5px; color: #1a1f1c; }
  .scene .menubar .app { font-weight: 700; }
  .scene .menubar .sp { margin-left: auto; }
  .scene .menubar .mb-item { display: inline-flex; align-items: center; gap: 6px; font-family: "DM Mono", monospace; font-size: 12px; padding: 2px 7px; border-radius: 5px; }
  .scene .menubar .mb-item.on { background: rgba(26, 31, 28, .12); }
  .scene .menubar .mb-item svg { width: 11px; height: auto; }
  .scene .window { position: absolute; left: 4.5%; top: 10%; width: 74%; border-radius: 12px; overflow: hidden; box-shadow: 0 30px 80px rgba(20, 35, 25, .35), 0 0 0 1px rgba(0,0,0,.08); }
  .scene .pop { position: absolute; right: 4.2%; top: 5.2%; width: 25.5%; border-radius: 14px; overflow: hidden; box-shadow: 0 30px 70px rgba(20, 35, 25, .38), 0 0 0 1px rgba(0,0,0,.08); }
  .scene .pill { position: absolute; left: 50%; bottom: 4%; width: 52%; transform: translateX(-50%); border-radius: 14px; overflow: hidden; box-shadow: 0 16px 40px rgba(10, 20, 14, .35); }

  /* 対応する会議ツール */
  .works { padding: 56px 0 0; text-align: center; }
  .works p { font-size: 13px; color: var(--ink3); margin: 0 0 14px; }
  .works ul { list-style: none; margin: 0; padding: 0; display: flex; justify-content: center; flex-wrap: wrap; gap: 10px 34px; }
  .works li { font-size: 17px; font-weight: 700; color: var(--ink2); letter-spacing: 0; opacity: .8; }

  /* 見出し共通 */
  .sec { padding: 128px 0 0; }
  .eyebrow { display: inline-flex; align-items: center; gap: 8px; font-family: "DM Mono", monospace; font-size: 13px; color: var(--accent); letter-spacing: .08em; margin: 0 0 14px; }
  .eyebrow::before { content: ""; width: 18px; height: 1px; background: currentColor; }
  h2 { font-size: clamp(28px, 4.2vw, 46px); line-height: 1.3; letter-spacing: -.015em; margin: 0 0 18px; font-weight: 800; }
  .sub { color: var(--ink2); max-width: 640px; margin: 0; font-size: 17px; }
  .center { text-align: center; } .center .sub { margin: 0 auto; }

  /* 機能: 大小のパネル */
  .bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; margin-top: 56px; }
  .tile { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: 22px; overflow: hidden; display: flex; flex-direction: column; }
  .tile .txt { padding: 30px 32px 0; }
  .tile h3 { font-size: 21px; line-height: 1.45; margin: 0 0 8px; font-weight: 700; letter-spacing: -.005em; }
  .tile p { margin: 0; color: var(--ink2); font-size: 15px; line-height: 1.85; }
  .tile .art { margin-top: auto; padding: 28px 0 0 32px; }
  .tile .art img { border-radius: 12px 0 0 0; box-shadow: var(--shadow-md); border: 1px solid var(--hair); }
  .tile .art.center { padding: 28px 32px 32px; display: grid; place-items: center; }
  .tile .art.center img { border-radius: 12px; }
  .span-4 { grid-column: span 4; } .span-3 { grid-column: span 3; } .span-2 { grid-column: span 2; }
  .tint-green { background: linear-gradient(180deg, var(--surface), color-mix(in srgb, var(--accent-bg) 70%, var(--surface))); }
  .tint-paper { background: linear-gradient(180deg, var(--surface), var(--paper)); }
  .tint-blue { background: linear-gradient(180deg, var(--surface), color-mix(in srgb, var(--blue-bg) 80%, var(--surface))); }
  .tint-dark { background: #1a1f1c; border-color: #1a1f1c; color: #eef1ee; }
  .tint-dark p { color: #a7aeaa; }
  .kinds { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
  .kind { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 500; padding: 4px 12px; border-radius: 999px; }
  .kind i { width: 3px; height: 14px; border-radius: 2px; background: currentColor; }
  .k1 { color: var(--accent); background: var(--accent-bg); } .k2 { color: var(--blue); background: var(--blue-bg); }
  .k3 { color: var(--amber); background: var(--amber-bg); } .k4 { color: var(--violet); background: var(--violet-bg); }

  /* 通知のモック（録音忘れ防止） */
  .notif { width: min(360px, 100%); border-radius: 18px; padding: 14px 16px; text-align: left;
    background: color-mix(in srgb, var(--surface) 82%, transparent); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--hair); box-shadow: var(--shadow-md); display: grid; grid-template-columns: 38px 1fr; gap: 12px; }
  .notif img { width: 38px; height: 38px; border-radius: 9px; }
  .notif .h { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink3); }
  .notif .t { font-size: 14px; font-weight: 700; line-height: 1.5; margin-top: 2px; }
  .notif .b { font-size: 13px; color: var(--ink2); line-height: 1.6; }
  .notif .acts { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 4px; }
  .notif .acts span { text-align: center; font-size: 13px; padding: 7px 0; border-radius: 9px; background: var(--surface2); font-weight: 500; }
  .notif .acts span.go { background: var(--ink); color: var(--canvas); }

  /* 画面共有に映らない: 共有画面と手元の比較 */
  .share { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; width: 100%; }
  .share .scr { border-radius: 12px; aspect-ratio: 16/10; position: relative; overflow: hidden; border: 1px solid rgba(255,255,255,.08);
    background: linear-gradient(160deg, #2b332e, #1e2421); }
  .share .scr .lbl { position: absolute; left: 10px; top: 8px; font-size: 11px; color: #a7aeaa; font-family: "DM Mono", monospace; }
  .share .scr .slide { position: absolute; inset: 28px 14px 14px; border-radius: 6px; background: #f4f6f8; }
  .share .scr .slide::before { content: ""; position: absolute; left: 12px; right: 40%; top: 12px; height: 8px; border-radius: 4px; background: #c9d2db; }
  .share .scr .slide::after { content: ""; position: absolute; left: 12px; bottom: 12px; width: 60%; height: 40%; border-radius: 4px;
    background: repeating-linear-gradient(90deg, #2f5f8a 0 10%, transparent 10% 16%); opacity: .8; }
  .share .scr .ov { position: absolute; right: 18px; top: 34px; width: 34%; height: 46%; border-radius: 6px; background: #ffffff; box-shadow: 0 6px 18px rgba(0,0,0,.3); }
  .share .scr .ov::before { content: ""; position: absolute; inset: 8px; border-radius: 3px; background: repeating-linear-gradient(180deg, #e6e9e6 0 6px, transparent 6px 12px); }
  .share .scr .pl { position: absolute; left: 50%; bottom: 10px; transform: translateX(-50%); width: 60%; height: 12px; border-radius: 6px; background: #1a1f1c; border: 1px solid rgba(255,255,255,.15); }
  .share .scr.them .ov, .share .scr.them .pl { display: none; }

  /* プライバシーの帯 */
  .band { margin-top: 128px; background: var(--band); color: var(--band-ink); padding: 112px 0; position: relative; overflow: hidden; }
  .band::before { content: ""; position: absolute; inset: auto -10% -40% 40%; height: 120%; background: radial-gradient(50% 50% at 50% 50%, rgba(111, 191, 142, .18), transparent 70%); pointer-events: none; }
  .band .eyebrow { color: #6fbf8e; }
  .band .sub { color: var(--band-ink2); }
  .stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 64px; background: rgba(238,241,238,.08); border-radius: 18px; overflow: hidden; }
  .stat { background: var(--band); padding: 34px 32px; }
  .stat .n { font-family: "DM Mono", monospace; font-size: clamp(40px, 5vw, 60px); line-height: 1; font-weight: 500; letter-spacing: -.03em; }
  .stat .n small { font-size: .42em; margin-left: 4px; color: var(--band-ink2); letter-spacing: 0; }
  .stat .l { margin-top: 14px; font-size: 15px; color: var(--band-ink2); line-height: 1.7; }
  .stat .l b { color: var(--band-ink); font-weight: 500; }

  /* キーボード */
  .keys { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 52px; }
  .key { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 22px 20px; }
  .key kbd { display: inline-flex; gap: 4px; }
  .key kbd span { font-family: "DM Mono", monospace; font-size: 15px; min-width: 34px; height: 34px; padding: 0 8px; display: grid; place-items: center;
    background: var(--surface2); border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 8px; }
  .key p { margin: 14px 0 0; font-size: 14px; color: var(--ink2); line-height: 1.6; }

  /* よくある質問 */
  .faq-wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 72px; align-items: start; }
  .faq-head { position: sticky; top: 96px; }
  .faq { border-top: 1px solid var(--border); }
  .faq details { border-bottom: 1px solid var(--border); }
  .faq summary { list-style: none; cursor: pointer; padding: 22px 4px; display: flex; justify-content: space-between; gap: 24px; font-size: 17px; font-weight: 500; }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary::after { content: "+"; font-family: "DM Mono", monospace; color: var(--ink3); font-size: 20px; line-height: 1; transition: transform .2s; }
  .faq details[open] summary::after { transform: rotate(45deg); }
  .faq details p { margin: 0 4px 24px; color: var(--ink2); font-size: 15px; line-height: 1.9; }
  .faq summary { transition: color .15s; } .faq summary:hover { color: var(--accent); }


  /* 更新履歴のタイムライン */
  .timeline { list-style: none; margin: 40px 0 0; padding: 0; position: relative; max-width: 860px; }
  .timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; border-radius: 2px;
    background: linear-gradient(180deg, var(--accent), var(--border) 40%); }
  .tl-item { position: relative; padding: 0 0 28px 44px; }
  .tl-dot { position: absolute; left: 0; top: 22px; width: 16px; height: 16px; border-radius: 50%; background: var(--canvas); border: 2px solid var(--border); }
  .tl-item.latest .tl-dot { border-color: var(--rec); background: var(--rec); box-shadow: 0 0 0 5px color-mix(in srgb, var(--rec) 18%, transparent); }
  .tl-item.latest .tl-dot::after { content: ""; position: absolute; inset: -2px; border-radius: 50%; border: 2px solid var(--rec); animation: tl-ring 1.6s ease-out 1s 2 both; }
  @keyframes tl-ring { from { transform: scale(1); opacity: .8; } to { transform: scale(2.6); opacity: 0; } }
  .tl-card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 22px 26px; transition: transform .3s cubic-bezier(.2, .7, .2, 1), border-color .3s; }
  .tl-card:hover { transform: translateX(3px); border-color: color-mix(in srgb, var(--ink) 16%, var(--border)); }
  .tl-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
  .tl-ver { font-family: "DM Mono", monospace; font-weight: 500; font-size: 15px; padding: 2px 10px; border-radius: 999px; background: var(--surface2); }
  .tl-item.latest .tl-ver { background: var(--accent-bg); color: var(--accent); }
  .tl-new { font-size: 12px; font-weight: 700; color: var(--rec); }
  .tl-date { font-family: "DM Mono", monospace; font-size: 13px; color: var(--ink3); }
  .tl-card h4 { margin: 14px 0 6px; font-size: 14px; color: var(--ink2); font-weight: 500; }
  .tl-card h4.tl-cat { display: inline-flex; align-items: center; gap: 6px; margin: 16px 0 8px; padding: 3px 10px 3px 8px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .02em; }
  .tl-card h4.tl-cat:first-of-type { margin-top: 4px; }
  .tl-card h4.tl-cat::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
  .tl-cat.new { color: var(--accent); background: var(--accent-bg); }
  .tl-cat.imp { color: var(--blue); background: var(--blue-bg); }
  .tl-cat.fix { color: var(--amber); background: var(--amber-bg); }
  .tl-card h4.tl-cat + ul { margin-bottom: 2px; }
  .tl-legend { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; padding: 0; list-style: none; }
  .tl-legend li { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px 3px 8px; border-radius: 999px; font-size: 12px; font-weight: 700; }
  .tl-legend li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
  .tl-legend span { font-weight: 400; color: var(--ink2); margin-left: 2px; }
  .tl-card ul { margin: 0; padding-left: 1.2em; color: var(--ink2); font-size: 15px; line-height: 1.85; }
  .tl-card li + li { margin-top: 4px; }
  .tl-card b { color: var(--ink); font-weight: 500; }
  .tl-more { margin: 4px 0 0 44px; }

  /* 最後のダウンロード */
  .final { margin: 128px auto 0; text-align: center; padding: 88px 28px; border-radius: 28px; position: relative; overflow: hidden;
    background: var(--surface); border: 1px solid var(--border); }
  .final::before { content: ""; position: absolute; inset: -40% -20% auto; height: 120%; z-index: 0;
    background: radial-gradient(40% 50% at 50% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%); }
  .final > * { position: relative; }
  .final .mark svg { width: 52px; height: auto; margin: 0 auto 24px; color: var(--ink); }
  .final .ver { font-family: "DM Mono", monospace; color: var(--ink2); font-size: 14px; margin: 6px 0 30px; }
  .note { max-width: 600px; margin: 28px auto 0; font-size: 13px; color: var(--ink3); text-align: left; background: var(--surface2); border-radius: 14px; padding: 16px 18px; line-height: 1.75; }
  .note b { color: var(--ink2); font-weight: 500; }

  footer { padding: 72px 0 56px; color: var(--ink3); font-size: 13px; }
  footer .wrap { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
  footer .brand span { font-size: 15px; color: var(--ink2); }
  footer nav { margin-left: auto; display: flex; gap: 20px; }
  footer a { text-decoration: none; } footer a:hover { color: var(--ink); }

  /* 出てくる動き（スクロールで 1 回だけ。視差効果を減らす設定なら止める） */
  .reveal { opacity: 0; translate: 0 16px; transition: opacity .7s ease, translate .7s cubic-bezier(.2, .7, .2, 1); }
  .reveal.in { opacity: 1; translate: 0 0; }
  .tile.reveal { transition: opacity .7s ease, translate .7s cubic-bezier(.2, .7, .2, 1), transform .35s cubic-bezier(.2, .7, .2, 1), border-color .35s; }
  .key.reveal { transition: opacity .7s ease, translate .7s cubic-bezier(.2, .7, .2, 1), transform .2s cubic-bezier(.3, 1.6, .5, 1), border-color .2s, box-shadow .2s; }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; translate: none; transition: none; }
    .btn { transition: none; }
  }


  /* ===== マイクロインタラクション（押した・見えた・動かしたときだけ。視差効果を減らす設定なら止める） ===== */
  button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
  .bird { transform-origin: 50% 100%; transition: transform .45s cubic-bezier(.3, 1.7, .5, 1); overflow: visible; }
  .bird .eye, .bird .belly { transform-box: fill-box; transform-origin: center; }
  .brand:hover .bird { transform: translateY(-2px) rotate(-8deg); }
  .bird-btn { display: inline-grid; place-items: center; position: relative; border-radius: 50%; -webkit-tap-highlight-color: transparent; }
  .bird-btn:hover .bird { transform: translateY(-4px) rotate(-7deg) scale(1.04); }
  .bird-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
  .hero-bird { display: grid; width: max-content; margin: 0 auto 26px; }
  .hero-bird svg { width: 54px; height: auto; color: var(--ink); }
  .final .bird-btn svg { width: 52px; height: auto; margin: 0 auto 24px; color: var(--ink); }
  .bird.hop { animation: hop .55s cubic-bezier(.3, 1.6, .5, 1); }
  @keyframes hop { 0% { transform: none; } 30% { transform: translateY(-14px) rotate(-10deg) scaleY(1.06); } 60% { transform: translateY(0) scaleY(.92) scaleX(1.06); } 100% { transform: none; } }
  .bird.blink .eye { animation: blink .26s ease-in-out; }
  @keyframes blink { 50% { transform: scaleY(.08); } }
  .hero-bird .belly, .final .belly { animation: belly-pop .7s cubic-bezier(.3, 1.9, .5, 1) .45s both; }
  @keyframes belly-pop { 0% { transform: scale(0); } 70% { transform: scale(1.3); } 100% { transform: scale(1); } }
  .ring { position: absolute; left: 50%; top: 50%; width: 10px; height: 10px; margin: -5px 0 0 -5px; border-radius: 50%; border: 2px solid var(--rec); pointer-events: none; }
  .confetti { position: fixed; z-index: 50; pointer-events: none; border-radius: 3px; }

  /* 見出しは行ごとに */
  .hero h1 .line { display: inline-block; animation: rise .8s cubic-bezier(.2, .7, .2, 1) both; }
  .hero h1 .line:nth-of-type(2) { animation-delay: .12s; }
  .hero .lead, .hero .ctas, .hero .meta, .hero .badge, .hero .kicker { animation: rise .8s cubic-bezier(.2, .7, .2, 1) both; }
  .hero .badge { animation-delay: .05s; } .hero .kicker { animation-delay: .08s; } .hero .lead { animation-delay: .22s; } .hero .ctas { animation-delay: .3s; } .hero .meta { animation-delay: .36s; }
  @keyframes rise { from { opacity: 0; transform: translateY(18px); filter: blur(4px); } to { opacity: 1; transform: none; filter: none; } }

  /* ダウンロード: 赤い点が脈打つのはホバー中だけ */
  .btn.primary:hover .rec-dot { animation: pulse 1.1s ease-in-out infinite; }
  @keyframes pulse { 50% { box-shadow: 0 0 0 7px color-mix(in srgb, var(--rec) 0%, transparent); } }

  /* デスクトップの場面: 傾き・ポップオーバーが降りる・字幕が上がる */
  .scene.reveal { transform: none; translate: 0 18px; transition: opacity .8s ease, translate .9s cubic-bezier(.2, .7, .2, 1); }
  .scene.reveal.in { translate: 0 0; }
  .scene { will-change: transform; backface-visibility: hidden; }
  .scene .window, .scene .pop { will-change: translate; }
  .scene .pop { transform: translateY(-24px) scale(.96); opacity: 0; transition: transform .7s cubic-bezier(.2, 1.3, .3, 1) .55s, opacity .4s ease .55s; transform-origin: 85% 0; }
  .scene .pill { opacity: 0; transform: translate(-50%, 24px); transition: transform .7s cubic-bezier(.2, 1.3, .3, 1) .85s, opacity .4s ease .85s; }
  .scene.in .pop { transform: none; opacity: 1; }
  .scene.in .pill { transform: translate(-50%, 0); opacity: 1; }
  .scene .mb-item.on { transition: background-color .3s; }
  .scene.in .mb-item.on { animation: mb-flash 1.4s ease .4s 1; }
  @keyframes mb-flash { 0%, 100% { background: rgba(26, 31, 28, .12); } 40% { background: rgba(229, 52, 43, .22); } }

  /* パネル: カーソルの光と浮き */
  .tile { transition: transform .35s cubic-bezier(.2, .7, .2, 1), border-color .35s; will-change: transform; }
  .tile::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s;
    background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--accent) 9%, transparent), transparent 60%); }
  .tile.tint-dark::after { background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(111, 191, 142, .12), transparent 60%); }
  .tile:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--ink) 16%, var(--border)); }
  .tile.tint-dark:hover { border-color: #2f3a33; }
  .tile:hover::after { opacity: 1; }


  /* マークの種類: 押すと付け外し */
  .kind { transition: transform .25s cubic-bezier(.3, 1.8, .5, 1), box-shadow .25s; }
  .kind:hover { transform: translateY(-2px); }
  .kind.on { box-shadow: 0 0 0 2px currentColor inset; }
  .kind.pop { animation: chip-pop .4s cubic-bezier(.3, 1.8, .5, 1); }
  @keyframes chip-pop { 40% { transform: scale(1.15); } }

  /* 通知: 見えたら降りてくる。押せる */
  .notif { transform: translateY(-18px) scale(.96); opacity: 0; transition: transform .7s cubic-bezier(.2, 1.4, .3, 1) .25s, opacity .4s ease .25s; }
  .tile.in .notif { transform: none; opacity: 1; }
  .notif.gone { transform: translateX(110%) !important; opacity: 0 !important; transition: transform .45s cubic-bezier(.5, 0, .75, 0), opacity .45s; }
  .notif .acts button { text-align: center; font-size: 13px; padding: 7px 0; border-radius: 9px; background: var(--surface2); font-weight: 500; transition: transform .15s, background-color .15s; }
  .notif .acts button:hover { background: var(--border); }
  .notif .acts button:active { transform: scale(.95); }
  .notif .acts button.go { background: var(--ink); color: var(--canvas); }
  .notif .rec { grid-column: 1 / -1; display: none; align-items: center; justify-content: center; gap: 10px; padding: 8px; border-radius: 10px;
    background: color-mix(in srgb, var(--rec) 12%, var(--surface)); color: var(--rec); font-family: "DM Mono", monospace; font-size: 14px; }
  .notif .rec i { width: 8px; height: 8px; border-radius: 50%; background: var(--rec); animation: pulse 1.1s ease-in-out infinite; }
  .notif.recording .acts { display: none; }
  .notif.recording .rec { display: flex; animation: chip-pop .4s cubic-bezier(.3, 1.8, .5, 1); }

  /* 画面共有: ホバーで「相手には見えない」を強調 */
  .share .scr .ov, .share .scr .pl { transition: transform .4s cubic-bezier(.2, 1.4, .3, 1), box-shadow .4s; }
  .tile:hover .share .scr:not(.them) .ov { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(0,0,0,.4), 0 0 0 2px rgba(111, 191, 142, .7); }
  .tile:hover .share .scr:not(.them) .pl { box-shadow: 0 0 0 2px rgba(111, 191, 142, .7); }
  .share .scr.them::after { content: "見えていません"; position: absolute; right: 10px; bottom: 8px; font-size: 11px; color: #6fbf8e; font-weight: 500;
    opacity: 0; transform: translateY(4px); transition: opacity .3s, transform .3s; }
  .tile:hover .share .scr.them::after { opacity: 1; transform: none; }

  /* キー: 押すと沈む */
  .key { text-align: left; transition: transform .2s cubic-bezier(.3, 1.6, .5, 1), border-color .2s, box-shadow .2s; }
  .key:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }
  .key kbd span { transition: transform .12s, border-bottom-width .12s, background-color .12s; }
  .key.press kbd span { transform: translateY(2px); border-bottom-width: 1px; background: var(--accent-bg); color: var(--accent); }

  /* 字幕ピル風のトースト */
  .toast { position: fixed; left: 50%; bottom: 28px; z-index: 60; display: flex; align-items: center; gap: 10px; padding: 12px 18px; border-radius: 14px;
    background: rgba(26, 31, 28, .94); color: #fff; font-size: 14px; box-shadow: 0 16px 40px rgba(0, 0, 0, .3); border: 1px solid rgba(255,255,255,.08);
    transform: translate(-50%, 140%); opacity: 0; transition: transform .5s cubic-bezier(.2, 1.4, .3, 1), opacity .3s; pointer-events: none; }
  .toast.show { transform: translate(-50%, 0); opacity: 1; }
  .toast .dot { width: 8px; height: 8px; border-radius: 50%; background: #e5342b; }
  .toast .who { color: #9fd3b0; font-size: 12px; font-weight: 500; }

  @media (prefers-reduced-motion: reduce) {
    .bird, .bird.hop, .bird.blink .eye, .hero-bird .belly, .final .belly, .hero h1 .line, .hero .lead, .hero .ctas, .hero .meta, .hero .badge, .hero .kicker { animation: none !important; transition: none !important; }
    .scene, .scene .pop, .scene .pill, .notif, .tile, .tile .art img, .kind, .key, .toast, .tl-card { transition: none !important; }
    .tl-item.latest .tl-dot::after { animation: none; }
    .scene .pop, .scene .pill, .notif { opacity: 1 !important; transform: none !important; }
    .scene .pill { transform: translateX(-50%) !important; }
    .tile:hover, .key:hover { transform: none; }
  }

  @media (max-width: 980px) {
    .bento { grid-template-columns: 1fr 1fr; }
    .span-4, .span-3, .span-2 { grid-column: span 2; }
    .keys { grid-template-columns: repeat(3, 1fr); }
    .scene .pop { width: 30%; }
    .faq-wrap { grid-template-columns: 1fr; gap: 36px; }
    .faq-head { position: static; }
  }
  @media (max-width: 680px) {
    .wrap { padding: 0 18px; }
    nav.links { display: none; }
    .hero { padding-top: 64px; }
    .scene { aspect-ratio: auto; height: auto; padding: 44px 14px 14px; border-radius: 16px; margin-top: 52px; }
    .scene .window { position: relative; left: 0; top: 0; width: 100%; border-radius: 10px; }
    .scene .pop, .scene .pill { display: none; }
    .scene .menubar .mid { display: none; }
    .stats { grid-template-columns: 1fr; }
    .keys { grid-template-columns: 1fr 1fr; }
    .sec { padding-top: 96px; }
    .band { margin-top: 96px; padding: 80px 0; }
    .tile .txt { padding: 24px 22px 0; }
    .tile .art { padding: 22px 0 0 22px; }
    .tile .art.center { padding: 22px; }
    .final { margin-top: 96px; padding: 64px 20px; border-radius: 22px; }
    footer nav { margin-left: 0; width: 100%; }
  }

  /* 「続きから」のポップオーバー画像は上側だけ（隣のパネルを縦に伸ばさない） */
  .tile .art.center img.pop-shot { width: min(240px, 100%); max-height: 260px; object-fit: cover; object-position: top; }

  /* 更新履歴のページ */
  /* 更新履歴: 見出し・ラベル・タイムライン・最後の案内を同じ幅の 1 列にして中央に置く */
  .wrap.narrow { max-width: 836px; }
  .narrow .timeline { max-width: none; }
  .narrow .final { margin-top: 72px; padding: 64px 28px; }
  .page-head { padding-top: 64px; }
  .page-head h1 { font-size: clamp(32px, 4.4vw, 44px); line-height: 1.2; letter-spacing: -.02em; margin: 0 0 16px; font-weight: 800; }
  .back { display: flex; width: max-content; align-items: center; gap: 6px; font-size: 14px; color: var(--ink2); text-decoration: none; margin-bottom: 22px; }
  .page-head .eyebrow { display: flex; }
  .back:hover { color: var(--ink); }
  nav.links a.current { color: var(--ink); font-weight: 500; }