/* roulang page: index */
:root {
      --brand: #1F7A72;
      --brand-deep: #165E58;
      --brand-mid: #2B9389;
      --brand-soft: #E7F4F1;
      --accent: #C9842A;
      --accent-deep: #A56B1E;
      --accent-soft: #F6E8D0;
      --bg: #F4F1EA;
      --bg-alt: #EFE8DC;
      --surface: #FFFcf7;
      --surface-2: #F8F3EA;
      --line: #E4DDD2;
      --line-strong: #D4CBBC;
      --ink: #142427;
      --ink-text: #E7EEE9;
      --ink-dim: #9BB0AB;
      --text: #243032;
      --muted: #5C6A6C;
      --faint: #7A8687;
      --ok: #1F7A72;
      --warn: #C9842A;
      --error: #A85A3A;
      --error-soft: #F4E2DA;
      --radius: 14px;
      --radius-sm: 8px;
      --shadow: 0 10px 28px rgba(20, 36, 39, 0.06);
      --shadow-hover: 0 14px 30px rgba(20, 36, 39, 0.10);
      --container: 1220px;
      --header-top: 38px;
      --header-main: 70px;
      --focus: 0 0 0 2px #FFFcf7, 0 0 0 4px #C9842A;
      --space-section: 112px;
      --font: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font);
      font-size: 17px;
      line-height: 1.8;
      color: var(--text);
      background: var(--bg);
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }
    body.nav-lock { overflow: hidden; }
    img { max-width: 100%; height: auto; display: block; border: 0; }
    a { color: var(--brand-deep); text-decoration: none; transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease; }
    a:hover { color: var(--brand); }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }
    button, input, select, textarea { font-family: inherit; font-size: inherit; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3, h4, p { margin: 0; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    .container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
    .sr-only {
      position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
      overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
    }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      height: 26px; padding: 0 10px; border-radius: 4px;
      background: var(--brand-soft); color: var(--brand-deep);
      font-size: 12px; letter-spacing: .04em; font-weight: 600;
    }
    .badge-accent { background: var(--accent-soft); color: var(--accent-deep); }
    .badge-ink { background: rgba(231,238,233,.12); color: var(--ink-text); }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 0 18px; border-radius: var(--radius-sm);
      font-weight: 600; letter-spacing: .02em; border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
    }
    .btn-primary { background: var(--brand); color: #fff; }
    .btn-primary:hover, .btn-primary:active { background: var(--brand-deep); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
    .btn-ghost { background: transparent; color: var(--brand-deep); border-color: var(--brand); }
    .btn-ghost:hover { background: var(--brand-soft); color: var(--brand-deep); transform: translateY(-2px); }
    .btn-light { background: transparent; color: var(--ink-text); border-color: rgba(231,238,233,.45); }
    .btn-light:hover { background: rgba(231,238,233,.08); color: #fff; }
    .text-link {
      display: inline-flex; align-items: center; gap: 6px;
      color: var(--brand-deep); font-weight: 600; font-size: 14px;
    }
    .text-link::after { content: "→"; font-size: 13px; transition: transform .2s ease; }
    .text-link:hover::after { transform: translateX(3px); }
    .kicker {
      display: inline-block; margin-bottom: 12px;
      color: var(--accent-deep); font-size: 13px; font-weight: 700; letter-spacing: .12em;
    }
    .section { padding: var(--space-section) 0; position: relative; }
    .section-head { max-width: 760px; margin-bottom: 40px; }
    .section-head h2 {
      font-size: 30px; line-height: 1.28; font-weight: 700; letter-spacing: -.02em; color: var(--ink);
      margin-bottom: 14px;
    }
    .section-head p { color: var(--muted); font-size: 17px; }
    section[id] { scroll-margin-top: 96px; }

    .site-header { position: relative; z-index: 50; }
    .header-top {
      height: var(--header-top); background: #F7F3EC; border-bottom: 1px solid var(--line);
      color: var(--muted); font-size: 13px;
    }
    .header-top-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
    .top-meta { display: flex; align-items: center; gap: 22px; }
    .top-meta a { color: var(--muted); }
    .top-meta a:hover { color: var(--brand-deep); }
    .top-compact { display: none; color: var(--muted); }
    .header-main {
      height: var(--header-main); background: rgba(244,241,234,.94);
      border-bottom: 1px solid var(--line); backdrop-filter: blur(10px);
    }
    .header-main.is-sticky {
      position: sticky; top: 0; box-shadow: 0 8px 18px rgba(20,36,39,.04);
    }
    .header-main-inner { height: 100%; display: flex; align-items: center; gap: 24px; }
    .logo {
      display: inline-flex; align-items: center; gap: 10px;
      color: var(--ink); font-weight: 700; letter-spacing: -.02em; font-size: 16px; white-space: nowrap;
    }
    .logo-mark {
      width: 28px; height: 28px; border: 1.5px solid var(--brand); border-radius: 4px; position: relative; flex: 0 0 28px;
    }
    .logo-mark::before, .logo-mark::after { content: ""; position: absolute; background: var(--brand); }
    .logo-mark::before { width: 12px; height: 1.5px; left: 7px; top: 12px; }
    .logo-mark::after { width: 1.5px; height: 12px; left: 12px; top: 7px; }
    .site-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
    .site-nav a {
      position: relative; padding: 10px 10px; color: var(--text); font-size: 14px; font-weight: 600;
      border-radius: 6px; min-height: 44px; display: inline-flex; align-items: center;
    }
    .site-nav a:hover { color: var(--brand-deep); background: var(--brand-soft); }
    .site-nav a.is-current { color: var(--brand-deep); }
    .site-nav a.is-current::after {
      content: ""; position: absolute; left: 10px; right: 10px; bottom: 6px; height: 2px; background: var(--accent); border-radius: 2px;
    }
    .header-cta { margin-left: 8px; flex: 0 0 auto; }
    .nav-toggle {
      display: none; width: 44px; height: 44px; margin-left: auto; border-radius: 8px; border: 1px solid var(--line);
      align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .nav-toggle span { display: block; width: 16px; height: 1.5px; background: var(--ink); }
    .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
    .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
    .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

    .hero { position: relative; overflow: hidden; background: var(--ink); color: var(--ink-text); }
    .hero-slides { position: relative; min-height: calc(100vh - 108px); }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; visibility: hidden;
      transition: opacity .7s ease, visibility .7s ease;
    }
    .hero-slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
    .hero-media { width: 100%; height: 100%; object-fit: cover; filter: saturate(.72) contrast(1.05); }
    .hero-mask {
      position: absolute; inset: 0;
      background:
        linear-gradient(90deg, rgba(20,36,39,.86) 0%, rgba(20,36,39,.58) 48%, rgba(20,36,39,.28) 100%),
        linear-gradient(180deg, rgba(20,36,39,.18) 0%, rgba(20,36,39,.55) 100%);
    }
    .hero-grid {
      position: relative; z-index: 2; min-height: calc(100vh - 108px);
      display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .82fr);
      gap: 36px; align-items: center; padding: 64px 0 88px;
    }
    .hero-copy { max-width: 640px; }
    .hero-copy .kicker { color: var(--accent); }
    .hero h1 {
      font-size: 52px; line-height: 1.16; font-weight: 700; letter-spacing: -.03em; color: #fff; margin-bottom: 18px;
    }
    .hero-lead { font-size: 17px; line-height: 1.85; color: var(--ink-text); margin-bottom: 26px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
    .scene-chip {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 6px 10px; border: 1px solid rgba(231,238,233,.2); border-radius: 4px;
      color: var(--ink-dim); font-size: 13px;
    }
    .scene-chip b { color: #fff; font-weight: 650; }
    .hero-shortcuts {
      display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
      padding: 16px; background: rgba(20,36,39,.42); border: 1px solid rgba(231,238,233,.14);
      border-radius: 16px; backdrop-filter: blur(8px);
    }
    .shortcut {
      display: flex; flex-direction: column; justify-content: space-between; min-height: 92px;
      padding: 14px; border-radius: 12px; background: rgba(255,252,247,.06);
      border: 1px solid rgba(231,238,233,.1); color: var(--ink-text);
    }
    .shortcut:hover { transform: translateY(-3px); border-color: var(--brand-mid); background: rgba(31,122,114,.22); color: #fff; }
    .shortcut strong { font-size: 15px; }
    .shortcut span { font-size: 12px; color: var(--ink-dim); }
    .hero-controls {
      position: absolute; z-index: 3; left: 0; right: 0; bottom: 22px;
      display: flex; align-items: center; justify-content: space-between;
    }
    .hero-arrows { display: flex; gap: 8px; }
    .icon-btn {
      width: 44px; height: 44px; border-radius: 8px; border: 1px solid rgba(231,238,233,.28);
      color: #fff; display: grid; place-items: center; background: rgba(20,36,39,.35);
    }
    .icon-btn:hover { background: var(--brand); border-color: var(--brand); }
    .hero-dots { display: flex; gap: 8px; align-items: center; }
    .hero-dots button {
      width: 28px; height: 3px; border-radius: 2px; background: rgba(231,238,233,.28);
    }
    .hero-dots button.is-active { background: var(--accent); }
    .crosshair {
      position: absolute; width: 18px; height: 18px; border: 1px solid rgba(231,238,233,.28); pointer-events: none;
    }
    .crosshair::before, .crosshair::after { content: ""; position: absolute; background: rgba(231,238,233,.45); }
    .crosshair::before { width: 10px; height: 1px; left: 3px; top: 8px; }
    .crosshair::after { width: 1px; height: 10px; left: 8px; top: 3px; }
    .crosshair-tl { top: 18px; left: 18px; }
    .crosshair-br { right: 18px; bottom: 74px; }

    .pain { background: var(--bg); overflow: hidden; }
    .pain-layout { display: grid; grid-template-columns: 280px minmax(0,1fr); gap: 36px; align-items: start; }
    .pain-track {
      display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory;
      padding-bottom: 8px; -webkit-overflow-scrolling: touch;
    }
    .pain-item {
      flex: 0 0 340px; scroll-snap-align: start; background: var(--surface);
      border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 22px 20px;
      box-shadow: var(--shadow); min-height: 210px;
    }
    .pain-item:hover { transform: translateY(-3px); border-color: var(--brand); }
    .pain-no { font-size: 12px; letter-spacing: .14em; color: var(--accent-deep); font-weight: 700; margin-bottom: 10px; }
    .pain-item h3 { font-size: 20px; margin-bottom: 10px; color: var(--ink); }
    .pain-item p { color: var(--muted); font-size: 15px; }
    .shift-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
    .shift-row span {
      font-size: 12px; padding: 4px 8px; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); background: var(--surface-2);
    }

    .solution { background: var(--bg-alt); }
    .split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
    .split + .split { margin-top: 56px; }
    .split.reverse { grid-template-columns: .95fr 1.05fr; }
    .split-visual { position: relative; }
    .split-visual img {
      width: 100%; height: 420px; object-fit: cover; border-radius: 16px; border: 1px solid var(--line); box-shadow: var(--shadow);
    }
    .caption-card {
      position: absolute; left: 18px; bottom: 18px; right: 18px;
      background: rgba(255,252,247,.94); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px;
      font-size: 13px; color: var(--muted);
    }
    .split-copy h2 { font-size: 30px; line-height: 1.28; margin: 10px 0 14px; letter-spacing: -.02em; }
    .split-copy p { color: var(--muted); margin-bottom: 14px; }
    .fact {
      margin-top: 8px; padding: 14px 16px; border-left: 3px solid var(--accent);
      background: var(--surface); border-radius: 0 10px 10px 0; color: var(--text); font-size: 15px;
    }

    .method { background: var(--bg); }
    .timeline {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 0;
      position: relative; margin-top: 12px;
    }
    .timeline::before {
      content: ""; position: absolute; left: 8%; right: 8%; top: 22px; height: 2px; background: var(--line-strong);
    }
    .step { position: relative; padding: 0 14px 0 0; }
    .step-index {
      width: 44px; height: 44px; border-radius: 8px; background: var(--brand); color: #fff;
      display: grid; place-items: center; font-weight: 700; position: relative; z-index: 1; margin-bottom: 16px;
    }
    .step h3 { font-size: 18px; margin-bottom: 8px; }
    .step p { color: var(--muted); font-size: 15px; }

    .capability { background: var(--surface-2); }
    .bento { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
    .cap {
      background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
      padding: 24px; box-shadow: var(--shadow); min-height: 180px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .cap:hover { transform: translateY(-4px); border-color: var(--brand); box-shadow: var(--shadow-hover); }
    .cap:nth-child(1) { grid-column: span 8; }
    .cap:nth-child(2) { grid-column: span 4; }
    .cap:nth-child(3) { grid-column: span 4; }
    .cap:nth-child(4) { grid-column: span 8; }
    .cap:nth-child(5) { grid-column: span 6; }
    .cap:nth-child(6) { grid-column: span 6; }
    .cap h3 { font-size: 20px; margin: 10px 0; }
    .cap p { color: var(--muted); font-size: 15px; }

    .scenes { background: var(--bg); }
    .scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .scene-card {
      position: relative; overflow: hidden; border-radius: 16px; min-height: 430px; border: 1px solid var(--line);
      isolation: isolate; color: #fff; display: flex; align-items: flex-end;
    }
    .scene-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
    .scene-card::after {
      content: ""; position: absolute; inset: 0; z-index: -1;
      background: linear-gradient(180deg, rgba(20,36,39,.05) 20%, rgba(20,36,39,.78) 100%);
    }
    .scene-card:hover { transform: translateY(-4px); }
    .scene-card:hover img { transform: scale(1.04); }
    .scene-card img, .scene-card { transition: transform .35s ease; }
    .scene-body { padding: 24px; }
    .scene-body h3 { font-size: 22px; margin: 8px 0 8px; }
    .scene-body p { color: var(--ink-text); font-size: 15px; margin-bottom: 12px; }
    .scene-body .text-link { color: #fff; }

    .case-dark {
      background: var(--ink); color: var(--ink-text); padding: 0; overflow: hidden;
    }
    .case-wrap {
      display: grid; grid-template-columns: 1.15fr .85fr; min-height: 560px;
    }
    .case-visual { position: relative; min-height: 420px; }
    .case-visual img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.6); }
    .case-copy { padding: 88px 56px; }
    .case-copy h2 { color: #fff; font-size: 30px; margin: 10px 0 16px; letter-spacing: -.02em; }
    .case-copy p { color: var(--ink-text); margin-bottom: 14px; }
    .result-list { margin-top: 22px; display: grid; gap: 12px; }
    .result-list li {
      display: grid; grid-template-columns: 92px 1fr; gap: 12px; align-items: start;
      padding: 12px 0; border-top: 1px solid rgba(231,238,233,.12);
    }
    .result-list strong { color: var(--accent); font-size: 18px; }
    .film {
      position: absolute; top: 0; bottom: 0; width: 18px; background:
        repeating-linear-gradient(180deg, #0d1819 0 10px, transparent 10px 18px);
      opacity: .55;
    }
    .film-l { left: 0; } .film-r { right: 0; }

    .stories { background: var(--bg); }
    .story-grid {
      display: grid; grid-template-columns: 1.35fr 1fr; grid-template-rows: auto auto; gap: 16px;
    }
    .story {
      background: var(--surface); border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
      box-shadow: var(--shadow);
    }
    .story-main { grid-row: span 2; }
    .story img { width: 100%; height: 240px; object-fit: cover; }
    .story-main img { height: 340px; }
    .story-body { padding: 20px 22px 22px; }
    .story h3 { font-size: 20px; margin: 8px 0 8px; }
    .story p { color: var(--muted); font-size: 15px; }

    .metrics { background: var(--ink); color: var(--ink-text); }
    .metrics .section-head h2, .metrics .section-head p { color: var(--ink-text); }
    .metric-bar { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
    .metric {
      padding: 8px 8px 0; border-left: 1px solid rgba(231,238,233,.12); padding-left: 18px;
    }
    .metric b { display: block; font-size: 40px; line-height: 1; color: #fff; letter-spacing: -.03em; }
    .metric span { color: var(--accent); font-size: 14px; font-weight: 700; }
    .metric p { color: var(--ink-dim); font-size: 13px; margin-top: 8px; }

    .audience { background: var(--bg-alt); }
    .tag-matrix { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
    .tag {
      min-height: 44px; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line);
      background: var(--surface); color: var(--text); font-weight: 600; font-size: 14px;
    }
    .tag:hover, .tag.is-on { border-color: var(--brand); color: var(--brand-deep); background: var(--brand-soft); }
    .audience-note {
      display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: start;
    }
    .note-box { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
    .note-box h3 { font-size: 18px; margin-bottom: 8px; }
    .note-box p { color: var(--muted); font-size: 15px; }

    .reviews { background: var(--bg); }
    .quote-wall { display: grid; grid-template-columns: 1.2fr .8fr; gap: 16px; }
    .quote {
      background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 26px;
      box-shadow: var(--shadow); position: relative;
    }
    .quote:nth-child(1) { grid-row: span 2; padding: 32px; }
    .quote::before { content: "“"; position: absolute; top: 8px; left: 18px; font-size: 54px; color: var(--brand-soft); font-weight: 700; }
    .quote p { font-size: 16px; color: var(--text); position: relative; z-index: 1; }
    .quote footer { margin-top: 16px; color: var(--muted); font-size: 13px; font-weight: 600; }

    .news { background: var(--surface-2); }
    .news-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; }
    .news-feature, .news-item {
      background: var(--surface); border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
    }
    .news-feature img { width: 100%; height: 250px; object-fit: cover; }
    .news-feature .pad, .news-item { padding: 20px; }
    .news-list { display: grid; gap: 12px; }
    .news-item time, .news-feature time { color: var(--accent-deep); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
    .news-item h3, .news-feature h3 { font-size: 18px; margin: 8px 0; }
    .news-item p, .news-feature p { color: var(--muted); font-size: 15px; }
    .news-more { margin-top: 20px; }

    .board { background: var(--bg); }
    .board-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
    .meter { margin-bottom: 18px; }
    .meter-top { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; margin-bottom: 8px; }
    .meter-top b { color: var(--ink); }
    .meter-track { height: 10px; background: #E8E0D4; border-radius: 999px; overflow: hidden; }
    .meter-track span { display: block; height: 100%; background: var(--brand); border-radius: inherit; }
    .meter-track span.alt { background: var(--accent); }
    .meter p { color: var(--muted); font-size: 13px; margin-top: 6px; }
    .radar-panel {
      background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 24px;
    }
    .axis { display: grid; gap: 10px; }
    .axis li {
      display: grid; grid-template-columns: 92px 1fr 48px; gap: 10px; align-items: center; font-size: 13px; color: var(--muted);
    }
    .axis b { color: var(--text); font-weight: 650; }

    .faq { background: var(--bg-alt); }
    .faq-list { display: grid; gap: 10px; max-width: 920px; }
    .faq-item { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
    .faq-item button {
      width: 100%; min-height: 56px; padding: 14px 18px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
      text-align: left; font-weight: 700; color: var(--ink); font-size: 16px;
    }
    .faq-item button:hover { background: var(--brand-soft); }
    .faq-ico {
      width: 22px; height: 22px; border-radius: 4px; border: 1px solid var(--line); position: relative; flex: 0 0 22px;
      transition: transform .2s ease;
    }
    .faq-ico::before, .faq-ico::after { content: ""; position: absolute; background: var(--brand); left: 5px; top: 10px; }
    .faq-ico::before { width: 10px; height: 1.5px; }
    .faq-ico::after { width: 1.5px; height: 10px; left: 9px; top: 6px; }
    .faq-item.is-open .faq-ico { transform: rotate(45deg); background: var(--brand-soft); }
    .faq-panel { display: none; padding: 0 18px 18px; color: var(--muted); font-size: 15px; }
    .faq-item.is-open .faq-panel { display: block; }

    .cta { background: var(--surface); }
    .cta-box {
      display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; align-items: start;
      border: 1px solid var(--line); border-radius: 18px; padding: 36px; background: linear-gradient(180deg, #FFFcf7 0%, #F6F0E6 100%);
      box-shadow: var(--shadow);
    }
    .cta-copy h2 { font-size: 30px; margin: 10px 0 14px; letter-spacing: -.02em; }
    .cta-copy p { color: var(--muted); margin-bottom: 16px; }
    .form { display: grid; gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field label { font-size: 13px; font-weight: 700; color: var(--ink); }
    .field input, .field select, .field textarea {
      min-height: 44px; border: 1px solid var(--line-strong); border-radius: 8px; background: #fff;
      padding: 10px 12px; color: var(--text);
    }
    .field textarea { min-height: 96px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--brand); }
    .field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--error); background: var(--error-soft); }
    .field .err { display: none; color: var(--error); font-size: 12px; }
    .field.has-error .err { display: block; }
    .form-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
    .form-ok {
      display: none; padding: 12px 14px; border-radius: 8px; background: var(--brand-soft); color: var(--brand-deep); font-weight: 600;
    }
    .form-ok.is-show { display: block; }

    .site-footer { background: #1B2C2E; color: #C5D2CE; padding: 64px 0 28px; }
    .footer-grid { display: grid; grid-template-columns: 1.3fr .8fr .9fr 1fr; gap: 28px; }
    .site-footer h3 { color: #fff; font-size: 16px; margin-bottom: 14px; }
    .site-footer p, .site-footer li, .site-footer a { color: #C5D2CE; font-size: 14px; }
    .site-footer a:hover { color: #fff; }
    .footer-nav, .trust-list, .contact-list { display: grid; gap: 8px; }
    .footer-brand .logo { color: #fff; margin-bottom: 12px; }
    .legal { margin-top: 36px; padding-top: 18px; border-top: 1px solid rgba(231,238,233,.1); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; color: #8FA19C; }

    @media (max-width: 1440px) {
      .hero h1 { font-size: 46px; }
    }
    @media (max-width: 1024px) {
      :root { --space-section: 84px; }
      .site-nav {
        position: fixed; inset: 0; background: rgba(20,36,39,.96); color: #fff;
        flex-direction: column; justify-content: center; align-items: stretch; gap: 6px; padding: 88px 28px 32px;
        transform: translateX(100%); transition: transform .25s ease; margin-left: 0;
      }
      .site-nav.is-open { transform: none; }
      .site-nav a { color: #fff; font-size: 20px; min-height: 48px; }
      .site-nav a.is-current::after { background: var(--accent); }
      .nav-toggle { display: inline-flex; }
      .header-cta { display: none; }
      .hero-grid, .pain-layout, .split, .split.reverse, .case-wrap, .story-grid, .metric-bar, .audience-note, .quote-wall, .news-grid, .board-grid, .cta-box, .footer-grid, .scene-grid, .timeline {
        grid-template-columns: 1fr;
      }
      .story-main { grid-row: auto; }
      .cap:nth-child(n) { grid-column: span 6; }
      .quote:nth-child(1) { grid-row: auto; }
      .hero-grid { min-height: 0; padding: 48px 0 96px; }
      .hero-slides { min-height: 0; }
      .hero-slide { position: relative; height: auto; opacity: 0; }
      .hero-slides { display: grid; }
      .hero-slide { grid-area: 1 / 1; }
      .hero-slide.is-active { opacity: 1; }
      .hero h1 { font-size: 36px; }
      .split-visual img, .story-main img { height: 280px; }
      .case-copy { padding: 56px 0; }
      .case-visual { min-height: 280px; }
      .metric { border-left: 0; border-top: 1px solid rgba(231,238,233,.12); padding: 16px 0 0; }
    }
    @media (max-width: 768px) {
      :root { --space-section: 64px; }
      .container { width: min(var(--container), calc(100% - 32px)); }
      .header-top { height: auto; }
      .top-meta { display: none; }
      .top-compact { display: block; padding: 8px 0; }
      .header-top-inner { min-height: 36px; }
      .hero h1 { font-size: 30px; }
      .section-head h2, .split-copy h2, .case-copy h2, .cta-copy h2 { font-size: 26px; }
      .hero-shortcuts { grid-template-columns: 1fr 1fr; }
      .cap:nth-child(n) { grid-column: span 12; }
      .bento { grid-template-columns: 1fr; }
      .pain-item { flex-basis: 280px; }
      .metric-bar { gap: 8px; }
      .legal { flex-direction: column; }
      .timeline::before { display: none; }
      .step { display: grid; grid-template-columns: 44px 1fr; gap: 12px; padding: 0 0 22px; border-left: 2px solid var(--line); margin-left: 20px; }
      .step-index { margin: 0 0 0 -23px; }
    }
    @media (max-width: 520px) {
      body { font-size: 16px; }
      .hero h1 { font-size: 28px; }
      .hero-actions, .form-actions { flex-direction: column; align-items: stretch; }
      .btn { width: 100%; }
      .shortcut { min-height: 84px; }
      .header-main-inner { gap: 10px; }
      .logo { font-size: 14px; }
      .scene-card { min-height: 360px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
    }