/* ============================================================
     index.astro (LP) 専用スタイル — furipass トークンの上に重ねる。
     appkit.css のプリミティブ(.btn .st .pf-tag .thumb …)を再利用し、
     appkit が敷く overflow:hidden を解除して縦長スクロールページにする。
     ============================================================ */
  html, body { height: auto; }
  body { overflow-x: hidden; overflow-y: auto; }
  ::selection { background: color-mix(in oklch, var(--primary) 32%, transparent); }
  a { color: inherit; text-decoration: none; }

  .wrap { max-width: 1120px; margin: 0 auto; padding: 0 28px; }
  .eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 14px; font-weight: 700; letter-spacing: 0.08em;
    color: var(--primary);
  }
  .eyebrow::before { content: ""; width: 18px; height: 2px; background: currentColor; border-radius: 2px; }
  .teal { color: var(--primary); }

  /* ---------- top nav ---------- */
  .nav {
    position: sticky; top: 0; z-index: 50;
    background: color-mix(in oklch, var(--background) 78%, transparent);
    -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px);
    border-bottom: 1px solid var(--border);
  }
  .nav-inner { max-width: 1120px; margin: 0 auto; padding: 0 28px; height: 58px; display: flex; align-items: center; gap: 10px; }
  .brand-lp { display: flex; align-items: center; gap: 9px; }
  .brand-lp .mark {
    width: 28px; height: 28px; border-radius: 7px; flex: none; display: grid; place-items: center;
    background: color-mix(in oklch, var(--primary) 16%, transparent);
    color: var(--primary);
    box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--primary) 28%, transparent), var(--highlight-top);
  }
  .brand-lp .mark svg { width: 17px; height: 17px; }
  .brand-lp .name { font-size: 16px; font-weight: 700; letter-spacing: -0.015em; }
  .brand-lp .name b { color: var(--primary); font-weight: 700; }
  .nav-links { display: flex; align-items: center; gap: 4px; margin-left: 22px; }
  .nav-links a { font-size: 13px; font-weight: 500; color: var(--muted-foreground); padding: 7px 11px; border-radius: var(--radius-sm); transition: color .12s ease, background .12s ease; }
  .nav-links a:hover { color: var(--foreground); background: color-mix(in oklch, var(--foreground) 5%, transparent); }
  .nav-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
  .theme-btn { display: grid; place-items: center; width: 32px; height: 32px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--card); color: var(--muted-foreground); cursor: pointer; box-shadow: var(--highlight-top); }
  .theme-btn:hover { color: var(--foreground); }
  html.dark .theme-btn .ic-moon { display: none; }
  html:not(.dark) .theme-btn .ic-sun { display: none; }

  /* ---------- hero ---------- */
  .hero { padding: 76px 0 56px; text-align: center; position: relative; }
  .coming-soon {
    display: inline-flex; align-items: center; gap: 7px;
    font-size: 12.5px; font-weight: 700; letter-spacing: 0.06em;
    color: var(--primary);
    background: color-mix(in oklch, var(--primary) 10%, transparent);
    box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--primary) 24%, transparent);
    padding: 5px 13px; border-radius: var(--radius-full); margin-bottom: 18px;
  }
  .coming-soon .cs-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 3px color-mix(in oklch, var(--primary) 22%, transparent); }
  .hero .platforms { display: inline-flex; gap: 7px; margin-bottom: 22px; }
  .hero h1 {
    font-size: clamp(28px, 5.2vw, 58px); line-height: 1.14; font-weight: 700;
    letter-spacing: -0.025em; margin: 0 auto; max-width: none; word-break: keep-all;
  }
  .hero .sub { font-size: clamp(15px, 2vw, 19px); color: var(--muted-foreground); line-height: 1.6; margin: 20px auto 0; max-width: 38ch; text-wrap: balance; }
  .hero .cta-row { display: flex; gap: 10px; justify-content: center; margin-top: 30px; }
  .hero .cta-row.cta-secondary { margin-top: 14px; }
  /* 事前登録インラインフォーム(/api/subscribe → Supabase) */
  .signup { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin: 30px auto 0; max-width: 520px; scroll-margin-top: 80px; }
  .signup-input { height: 42px; flex: 1 1 260px; min-width: 0; padding: 0 15px; font-size: 15px; border-radius: var(--radius-md); border: 1px solid var(--input); background: var(--card); color: var(--foreground); font-family: inherit; }
  .signup-input::placeholder { color: var(--muted-foreground); }
  .signup-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in oklch, var(--primary) 22%, transparent); }
  .signup-input:disabled { opacity: .6; }
  .signup-btn { flex: none; }
  .signup-msg { flex-basis: 100%; margin: 2px 0 0; font-size: 13px; }
  .signup-msg[data-kind="ok"] { color: oklch(0.45 0.13 155); }
  .signup-msg[data-kind="err"] { color: var(--destructive); }
  /* ハニーポット: 視覚・支援技術の双方から隠す(bot のみが埋める) */
  .signup-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
  .hero .note { display: inline-flex; align-items: center; gap: 14px; margin-top: 18px; font-size: var(--text-sm); color: var(--muted-foreground); }
  .hero .note .i { display: inline-flex; align-items: center; gap: 5px; }
  .hero .note svg.ic { width: 13px; height: 13px; color: var(--muted-foreground); }
  .hero .note .sep { width: 3px; height: 3px; border-radius: 50%; background: color-mix(in oklch, var(--muted-foreground) 60%, transparent); }

  /* big CTA buttons (marketing scale) */
  .btn-xl { height: 42px; padding: 0 20px; font-size: 14px; border-radius: var(--radius-md); }
  .btn-xl svg.ic { width: 16px; height: 16px; }

  /* ---------- hero app screenshot (framed) ---------- */
  .hero-app { margin: 50px auto 0; max-width: 1000px; position: relative; }
  .hero-app::after { content: ""; position: absolute; left: 8%; right: 8%; bottom: -36px; height: 60px; background: color-mix(in oklch, var(--primary) 22%, transparent); filter: blur(46px); opacity: .5; z-index: -1; border-radius: 50%; }
  .winframe {
    border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden;
    background: var(--background); box-shadow: var(--shadow-overlay), var(--highlight-top);
  }
  .win-bar { display: flex; align-items: center; gap: 8px; height: 38px; padding: 0 14px; background: var(--sidebar-background); border-bottom: 1px solid var(--border); }
  .win-bar .tl { display: flex; gap: 7px; }
  .win-bar .tl span { width: 11px; height: 11px; border-radius: 50%; }
  .win-bar .tl .r { background: #ff5f57; } .win-bar .tl .y { background: #febc2e; } .win-bar .tl .g { background: #28c840; }
  .win-bar .title { margin: 0 auto; font-size: var(--text-xs); color: var(--muted-foreground); font-weight: 600; letter-spacing: .02em; transform: translateX(-18px); }
  /* ヒーローの実アプリスクショ(products 画面)。winframe 内に幅いっぱいで表示 */
  .win-shot { display: block; width: 100%; height: auto; vertical-align: bottom; }

  /* 機能カードのデモ列・課題ステップのピルは折り返さない */
  .feat-demo .st, .prob-step { white-space: nowrap; }

  /* ---------- generic section ---------- */
  section { position: relative; }
  .sec { padding: 84px 0; border-top: 1px solid var(--border); }
  .sec-head { text-align: center; max-width: 40ch; margin: 0 auto 52px; }
  .sec-head h2 { font-size: clamp(26px, 3.6vw, 38px); font-weight: 700; letter-spacing: -0.022em; line-height: 1.18; margin: 14px 0 0; text-wrap: balance; }
  .sec-head p { font-size: 15px; color: var(--muted-foreground); line-height: 1.65; margin: 16px auto 0; max-width: 42ch; }

  /* ---------- problem diagram ---------- */
  .prob-tint { background: var(--sidebar-background); }
  .prob-diagram { display: grid; grid-template-columns: 200px 1fr; gap: 40px; align-items: center; max-width: 880px; margin: 0 auto; }
  .prob-source { display: flex; flex-direction: column; gap: 12px; }
  .prob-card { display: flex; align-items: center; gap: 11px; padding: 13px; border-radius: var(--radius-md); background: var(--card); border: 1px solid var(--border); box-shadow: var(--highlight-top), var(--shadow-xs); }
  .prob-card .thumb { width: 40px; height: 40px; }
  .prob-card .pn { font-size: 13px; font-weight: 600; line-height: 1.3; }
  .prob-card .ps { font-family: var(--font-mono); font-size: 10.5px; color: var(--muted-foreground); }
  .prob-source .lbl { font-size: var(--text-sm); color: var(--muted-foreground); text-align: center; }
  .prob-lanes { display: flex; flex-direction: column; gap: 11px; }
  .prob-lane { display: flex; align-items: center; gap: 12px; padding: 13px 15px; border-radius: var(--radius-md); background: var(--card); border: 1px solid var(--border); box-shadow: var(--highlight-top), var(--shadow-xs); }
  .prob-lane .arrow { color: var(--muted-foreground); flex: none; }
  .prob-lane .steps { margin-left: auto; display: flex; align-items: center; gap: 6px; }
  .prob-step { display: inline-flex; align-items: center; gap: 5px; height: 24px; padding: 0 9px; border-radius: var(--radius-full); font-size: var(--text-xs); font-weight: 600; color: var(--destructive); background: color-mix(in oklch, var(--destructive) 12%, transparent); box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--destructive) 24%, transparent); }
  .prob-step svg { width: 12px; height: 12px; }
  .prob-foot { text-align: center; margin-top: 40px; font-size: 15px; color: var(--muted-foreground); }
  .prob-foot b { color: var(--foreground); font-weight: 700; }

  /* ---------- features ---------- */
  .feat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; max-width: 940px; margin: 0 auto; }
  .feat-card { padding: 26px; border-radius: var(--radius-md); background: var(--card); border: 1px solid var(--border); box-shadow: var(--highlight-top), var(--shadow-xs); position: relative; overflow: hidden; transition: border-color .14s ease, transform .14s ease; }
  .feat-card:hover { border-color: color-mix(in oklch, var(--primary) 40%, var(--border)); transform: translateY(-2px); }
  .feat-ico { width: 38px; height: 38px; border-radius: 9px; display: grid; place-items: center; color: var(--primary); background: color-mix(in oklch, var(--primary) 14%, transparent); box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--primary) 24%, transparent); margin-bottom: 16px; }
  .feat-ico svg.ic { width: 19px; height: 19px; stroke-width: 1.7; }
  .feat-card h3 { margin: 0 0 8px; font-size: 16px; font-weight: 700; letter-spacing: -0.01em; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
  .feat-card p { margin: 0; font-size: 13.5px; color: var(--muted-foreground); line-height: 1.65; }
  .tagpill { font-size: var(--text-2xs); font-weight: 700; letter-spacing: .03em; padding: 2px 7px; border-radius: var(--radius-full); color: var(--primary); background: color-mix(in oklch, var(--primary) 13%, transparent); box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--primary) 24%, transparent); }
  .feat-demo { margin-top: 18px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }

  /* ---------- pricing ---------- */
  .price-tint { background: var(--sidebar-background); }
  .price-card { max-width: 440px; margin: 0 auto; border-radius: var(--radius-lg); background: var(--card); border: 1px solid color-mix(in oklch, var(--primary) 45%, var(--border)); box-shadow: var(--highlight-top), 0 0 0 1px color-mix(in oklch, var(--primary) 30%, transparent), var(--shadow-sm); overflow: hidden; }
  .price-top { padding: 26px 28px 22px; border-bottom: 1px solid var(--border); }
  .price-top .row1 { display: flex; align-items: center; gap: 10px; }
  .price-top h3 { margin: 0; font-size: 17px; font-weight: 700; }
  .price-trial { margin-left: auto; font-size: var(--text-xs); font-weight: 700; letter-spacing: .03em; padding: 3px 9px; border-radius: var(--radius-full); color: var(--success); background: color-mix(in oklch, var(--success) 14%, transparent); box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--success) 26%, transparent); }
  .price-amount { display: flex; align-items: baseline; gap: 4px; margin-top: 16px; }
  .price-amount .yen { font-size: 22px; font-weight: 600; color: var(--muted-foreground); }
  .price-amount .num { font-size: 46px; font-weight: 700; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; line-height: 1; }
  .price-amount .per { font-size: 15px; color: var(--muted-foreground); font-weight: 500; }
  .price-top .desc { margin: 12px 0 0; font-size: 13.5px; color: var(--muted-foreground); line-height: 1.6; }
  .price-feats { list-style: none; margin: 0; padding: 22px 28px; display: flex; flex-direction: column; gap: 12px; }
  .price-feats li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; }
  .price-feats li svg { width: 16px; height: 16px; flex: none; margin-top: 2px; color: var(--success); }
  .price-cta { padding: 0 28px 26px; }
  .price-cta .note { text-align: center; font-size: var(--text-xs); color: var(--muted-foreground); margin-top: 12px; }

  /* ---------- FAQ ---------- */
  .faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
  .faq-item { border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--card); box-shadow: var(--highlight-top), var(--shadow-xs); overflow: hidden; }
  .faq-q { display: flex; align-items: center; gap: 12px; width: 100%; padding: 17px 19px; background: transparent; border: none; cursor: pointer; text-align: left; font-size: 15px; font-weight: 600; color: var(--foreground); }
  .faq-q .chev { margin-left: auto; color: var(--muted-foreground); transition: transform .18s ease; flex: none; }
  .faq-item.open .faq-q .chev { transform: rotate(180deg); }
  .faq-a { max-height: 0; overflow: hidden; transition: max-height .22s ease; }
  .faq-a-inner { padding: 0 19px 18px; font-size: 14px; color: var(--muted-foreground); line-height: 1.7; }

  /* ---------- footer ---------- */
  .footer { border-top: 1px solid var(--border); background: var(--sidebar-background); padding: 44px 0 36px; }
  .footer-inner { display: flex; align-items: flex-start; gap: 28px; flex-wrap: wrap; }
  .footer .brand-lp .name { font-size: 15px; }
  .footer-tag { font-size: var(--text-sm); color: var(--muted-foreground); margin-top: 12px; max-width: 30ch; line-height: 1.6; }
  .footer-links { margin-left: auto; display: flex; gap: 40px; flex-wrap: wrap; }
  .footer-col { display: flex; flex-direction: column; gap: 11px; }
  .footer-col .h { font-size: var(--text-xs); font-weight: 700; letter-spacing: var(--tracking-wide); color: var(--muted-foreground); margin-bottom: 2px; }
  .footer-col a { font-size: 13px; color: var(--foreground); opacity: .82; transition: opacity .12s ease, color .12s ease; }
  .footer-col a:hover { opacity: 1; color: var(--primary); }
  .footer-bottom { display: flex; align-items: center; gap: 12px; margin-top: 38px; padding-top: 20px; border-top: 1px solid var(--border); font-size: var(--text-xs); color: var(--muted-foreground); }
  .footer-bottom .os { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; }
  .footer-bottom svg.ic { width: 13px; height: 13px; }

  @media (max-width: 760px) {
    .feat-grid { grid-template-columns: 1fr; }
    .prob-diagram { grid-template-columns: 1fr; gap: 22px; }
    .nav-links { display: none; }
    .hero-app { display: none; }
    .footer-links { margin-left: 0; gap: 28px; }
  }