/* roulang page: index */
:root {
      --brand: #2C6A5E;
      --brand-dark: #1F5349;
      --brand-deep: #163E38;
      --accent: #C46A4A;
      --accent-dark: #A45538;
      --bg: #F4EFE6;
      --bg-alt: #E7F0EC;
      --bg-paper: #FBF8F2;
      --ink: #17302B;
      --text: #1C2B28;
      --muted: #5C6F6A;
      --line: #D7E2DC;
      --line-strong: #B7C9C2;
      --white: #FFFdf8;
      --shadow: 0 8px 24px rgba(23, 48, 43, 0.08);
      --shadow-hover: 0 12px 28px rgba(23, 48, 43, 0.12);
      --radius: 14px;
      --radius-sm: 8px;
      --radius-lg: 16px;
      --header-main: 72px;
      --space-section: 96px;
      --focus: #C46A4A;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: "Noto Sans SC", sans-serif;
      font-size: 16px;
      font-weight: 400;
      line-height: 1.75;
      color: var(--text);
      background: var(--bg);
      text-rendering: optimizeLegibility;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--brand); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
    a:hover { color: var(--brand-dark); }
    button, input, select, textarea { font-family: inherit; font-size: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 { font-family: "Noto Serif SC", serif; color: var(--ink); line-height: 1.3; margin: 0; font-weight: 700; }
    h1 { font-size: 44px; letter-spacing: 0.01em; }
    h2 { font-size: 30px; }
    h3 { font-size: 21px; }
    p { margin: 0 0 1.15em; }
    p:last-child { margin-bottom: 0; }
    ul { margin: 0; padding: 0; list-style: none; }
    :focus-visible {
      outline: 2px solid var(--focus);
      outline-offset: 3px;
    }
    button:focus:not(:focus-visible),
    a:focus:not(:focus-visible) { outline: none; }
    .skip-link {
      position: absolute; left: 12px; top: -40px; z-index: 100;
      background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px;
    }
    .skip-link:focus { top: 12px; }
    .container {
      width: min(1240px, calc(100% - 40px));
      margin: 0 auto;
    }
    .site-header {
      position: relative;
      z-index: 50;
      background: var(--bg-paper);
      border-bottom: 1px solid var(--line);
    }
    .toolbar {
      background: var(--ink);
      color: #E7F0EC;
      font-size: 13px;
      line-height: 1.4;
      max-height: 42px;
      overflow: hidden;
      transition: max-height .28s ease, opacity .28s ease, padding .28s ease;
    }
    .toolbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: 36px;
      padding: 4px 0;
    }
    .toolbar a { color: #E7F0EC; }
    .toolbar a:hover { color: #fff; }
    .toolbar-left, .toolbar-right {
      display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
    }
    .toolbar-item { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
    .trust-link {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 2px 8px; border: 1px solid rgba(215,226,220,.35); border-radius: 999px;
    }
    .site-header.is-scrolled .toolbar {
      max-height: 0; opacity: 0; padding: 0; pointer-events: none;
    }
    .mainbar {
      position: sticky; top: 0; z-index: 60;
      background: rgba(251, 248, 242, 0.96);
      backdrop-filter: saturate(1.1);
      border-bottom: 1px solid transparent;
      transition: box-shadow .2s ease, border-color .2s ease;
    }
    .site-header.is-scrolled .mainbar {
      box-shadow: 0 8px 20px rgba(23,48,43,.06);
      border-bottom-color: var(--line);
    }
    .mainbar-inner {
      display: flex; align-items: center; justify-content: space-between;
      min-height: var(--header-main); gap: 20px;
    }
    .logo {
      display: flex; align-items: center; gap: 10px; color: var(--ink); flex-shrink: 0;
    }
    .logo:hover { color: var(--brand); }
    .logo-mark {
      width: 42px; height: 42px; border-radius: 12px;
      background: var(--brand); color: #fff;
      display: grid; place-items: center; position: relative;
      box-shadow: inset 0 0 0 2px rgba(255,255,255,.12);
    }
    .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-text strong {
      font-family: "Noto Serif SC", serif; font-size: 18px; font-weight: 700;
    }
    .logo-text span { font-size: 12px; color: var(--muted); letter-spacing: .08em; }
    .nav-desk {
      display: flex; align-items: center; gap: 4px; flex: 1; justify-content: center;
    }
    .nav-desk a {
      position: relative; color: var(--text); font-size: 15px; font-weight: 500;
      padding: 10px 12px; min-height: 44px; display: inline-flex; align-items: center;
    }
    .nav-desk a::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px; height: 2px;
      background: var(--brand); transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
    }
    .nav-desk a:hover, .nav-desk a.is-active { color: var(--brand); }
    .nav-desk a.is-active { font-weight: 700; }
    .nav-desk a.is-active::after, .nav-desk a:hover::after { transform: scaleX(1); }
    .header-cta { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border: 1px solid var(--line);
      border-radius: 8px; background: #fff; align-items: center; justify-content: center;
    }
    .menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
      display: block; width: 18px; height: 2px; background: var(--ink); position: relative;
      transition: transform .2s ease, opacity .2s ease;
    }
    .menu-toggle span::before, .menu-toggle span::after {
      content: ""; position: absolute; left: 0;
    }
    .menu-toggle span::before { top: -6px; }
    .menu-toggle span::after { top: 6px; }
    .menu-toggle.is-open span { background: transparent; }
    .menu-toggle.is-open span::before { top: 0; transform: rotate(45deg); }
    .menu-toggle.is-open span::after { top: 0; transform: rotate(-45deg); }
    .drawer {
      position: fixed; inset: 0; z-index: 80; pointer-events: none;
    }
    .drawer-mask {
      position: absolute; inset: 0; background: rgba(23,48,43,.46); opacity: 0; transition: opacity .25s ease;
    }
    .drawer-panel {
      position: absolute; top: 0; right: 0; height: 100%; width: min(420px, 88vw);
      background: var(--ink); color: #E7F0EC; transform: translateX(100%);
      transition: transform .28s ease; padding: 28px 22px 40px;
      display: flex; flex-direction: column; gap: 18px;
      overflow: auto;
    }
    .drawer.is-open { pointer-events: auto; }
    .drawer.is-open .drawer-mask { opacity: 1; }
    .drawer.is-open .drawer-panel { transform: translateX(0); }
    .drawer-head { display: flex; justify-content: space-between; align-items: center; }
    .drawer-head strong { font-family: "Noto Serif SC", serif; font-size: 18px; color: #fff; }
    .drawer-close {
      width: 44px; height: 44px; border: 1px solid rgba(215,226,220,.3);
      background: transparent; color: #fff; border-radius: 8px;
    }
    .drawer-nav { display: flex; flex-direction: column; gap: 4px; }
    .drawer-nav a {
      color: #E7F0EC; min-height: 48px; display: flex; align-items: center;
      padding: 8px 10px; border-radius: 8px; font-size: 17px;
    }
    .drawer-nav a:hover, .drawer-nav a.is-active { background: rgba(255,255,255,.08); color: #fff; }
    .drawer-meta { margin-top: auto; font-size: 14px; color: #B7C9C2; display: grid; gap: 8px; }
    .drawer-meta a { color: #E7F0EC; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 46px; padding: 0 20px; border-radius: 8px; font-weight: 600;
      border: 2px solid transparent; transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
      text-align: center; letter-spacing: .02em;
    }
    .btn-primary {
      background: var(--brand); color: #fff; box-shadow: inset 0 0 0 0 var(--brand-dark);
    }
    .btn-primary:hover {
      background: var(--brand-dark); color: #fff; box-shadow: inset 0 0 0 2px rgba(255,255,255,.18);
    }
    .btn-primary:active { transform: translateY(1px); }
    .btn-accent { background: var(--accent); color: #fff; }
    .btn-accent:hover { background: var(--accent-dark); color: #fff; }
    .btn-ghost {
      background: transparent; color: #fff; border-color: rgba(255,255,255,.7);
    }
    .btn-ghost:hover { background: rgba(255,255,255,.1); color: #fff; }
    .btn-line {
      background: transparent; color: var(--brand); border-color: var(--brand);
    }
    .btn-line:hover { background: var(--brand); color: #fff; }
    .btn-block { width: 100%; }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      background: var(--bg-alt); color: var(--brand); border-radius: 999px;
      padding: 4px 10px; font-size: 12px; font-weight: 600;
    }
    .badge-stamp {
      width: 64px; height: 64px; border: 2px solid var(--brand); color: var(--brand);
      border-radius: 50%; display: grid; place-items: center; font-size: 11px;
      font-weight: 700; transform: rotate(-8deg); letter-spacing: .04em;
      background: rgba(231,240,236,.8);
    }
    main { overflow: hidden; }
    .section {
      padding: var(--space-section) 0;
      position: relative;
    }
    .section-alt { background: var(--bg-alt); }
    .section-paper { background: var(--bg-paper); }
    .section-head {
      max-width: 760px; margin-bottom: 40px;
    }
    .section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--brand); font-size: 13px; font-weight: 600; letter-spacing: .12em;
      text-transform: none; margin-bottom: 12px;
    }
    .kicker::before {
      content: ""; width: 18px; height: 2px; background: var(--brand);
    }
    .lede {
      color: var(--muted); font-size: 16px; margin-top: 14px;
    }
    .hero {
      position: relative; background: var(--ink); color: #fff;
    }
    .hero-viewport {
      position: relative; min-height: 680px; height: clamp(640px, 78vh, 820px);
      overflow: hidden;
    }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; visibility: hidden;
      transition: opacity .6s ease, visibility .6s ease;
    }
    .hero-slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
    .hero-slide img {
      width: 100%; height: 100%; object-fit: cover; filter: saturate(.92);
    }
    .hero-mask {
      position: absolute; inset: 0;
      background:
        linear-gradient(90deg, rgba(23,48,43,.82) 0%, rgba(23,48,43,.58) 46%, rgba(23,48,43,.28) 100%),
        linear-gradient(180deg, rgba(23,48,43,.2) 0%, rgba(23,48,43,.55) 100%);
    }
    .hero-copy {
      position: absolute; inset: 0; z-index: 2;
      display: flex; align-items: flex-end;
      padding: 48px 0 150px;
    }
    .hero-copy .container { width: min(1240px, calc(100% - 40px)); }
    .hero-brand {
      display: inline-flex; align-items: center; gap: 10px;
      color: #E7F0EC; font-size: 14px; letter-spacing: .18em; margin-bottom: 16px;
    }
    .hero h1 { color: #fff; max-width: 18em; text-shadow: 0 8px 24px rgba(0,0,0,.18); }
    .hero-intro {
      max-width: 42em; color: #E7F0EC; margin: 18px 0 28px; font-size: 16px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-ctrl {
      position: absolute; z-index: 3; top: 46%;
      width: 44px; height: 44px; border-radius: 50%;
      border: 1px solid rgba(255,255,255,.4); background: rgba(23,48,43,.35);
      color: #fff; display: grid; place-items: center;
    }
    .hero-prev { left: 18px; }
    .hero-next { right: 18px; }
    .hero-ctrl:hover { background: rgba(23,48,43,.6); }
    .hero-dots {
      position: absolute; z-index: 3; left: 50%; bottom: 118px; transform: translateX(-50%);
      display: flex; gap: 8px;
    }
    .hero-dots button {
      width: 10px; height: 10px; border-radius: 50%; border: 0;
      background: rgba(255,255,255,.4); padding: 0;
    }
    .hero-dots button.is-active { background: #fff; width: 22px; border-radius: 999px; }
    .roadmap {
      position: absolute; left: 0; right: 0; bottom: 0; z-index: 4;
      background: rgba(23,48,43,.78); border-top: 1px solid rgba(215,226,220,.18);
    }
    .roadmap-inner {
      display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center;
      padding: 14px 0;
    }
    .nodes {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
    }
    .node {
      display: flex; align-items: center; gap: 10px; min-width: 0;
      color: #E7F0EC; font-size: 13px;
    }
    .node-dot {
      width: 10px; height: 10px; border-radius: 50%; background: var(--brand);
      box-shadow: 0 0 0 4px rgba(44,106,94,.35); flex-shrink: 0;
    }
    .node.is-next .node-dot { background: transparent; border: 2px solid #C46A4A; box-shadow: none; }
    .node small { display: block; color: #B7C9C2; font-size: 12px; }
    .node strong { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .pulse-line {
      position: absolute; left: 0; right: 0; top: 18px; height: 28px; opacity: .18; pointer-events: none;
    }
    .scene-rail { padding-top: 56px; padding-bottom: 40px; }
    .rail-row {
      display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory;
      padding-bottom: 8px; margin-right: calc(50% - 50vw); padding-right: 20px;
    }
    .rail-row::-webkit-scrollbar { height: 6px; }
    .rail-row::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 99px; }
    .rail-card {
      flex: 0 0 280px; scroll-snap-align: start;
      background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
      overflow: hidden; box-shadow: var(--shadow); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .rail-card:hover { transform: translateY(-4px); border-color: var(--brand); box-shadow: var(--shadow-hover); }
    .rail-card img { width: 100%; height: 150px; object-fit: cover; }
    .rail-card .body { padding: 16px 16px 18px; }
    .rail-card h3 { font-size: 18px; margin-bottom: 8px; }
    .rail-card p { color: var(--muted); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .text-link {
      display: inline-flex; align-items: center; gap: 6px; margin-top: 10px;
      color: var(--brand); font-weight: 600; font-size: 14px;
    }
    .text-link:hover { gap: 10px; }
    .split {
      display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
    }
    .split img, .media-frame img {
      width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-lg);
    }
    .media-frame {
      position: relative; min-height: 420px; border-radius: var(--radius-lg); overflow: hidden;
      box-shadow: var(--shadow); border: 1px solid var(--line);
    }
    .media-frame img { height: 480px; }
    .micro-badges { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
    .micro-badge {
      display: flex; align-items: center; gap: 8px;
      background: #fff; border: 1px solid var(--line); border-radius: 999px;
      padding: 8px 14px; font-size: 13px; font-weight: 600; color: var(--brand);
    }
    .check-list { display: grid; gap: 10px; margin-top: 18px; }
    .check-list li {
      display: grid; grid-template-columns: 18px 1fr; gap: 10px; color: var(--text);
    }
    .check-list svg { margin-top: 6px; color: var(--brand); }
    .type-wall {
      display: grid; grid-template-columns: repeat(8, 1fr); gap: 10px;
    }
    .type-chip {
      display: flex; flex-direction: column; gap: 4px; min-height: 92px;
      background: #fff; border: 1px solid var(--line); border-radius: 12px;
      padding: 14px 12px; transition: transform .2s ease, border-color .2s ease;
    }
    .type-chip:hover { transform: translateY(-3px); border-color: var(--brand); color: var(--brand-dark); }
    .type-chip strong { font-size: 15px; color: var(--ink); }
    .type-chip span { font-size: 12px; color: var(--muted); }
    .bento {
      display: grid; grid-template-columns: 1.3fr 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 16px;
      min-height: 560px;
    }
    .bento-card {
      background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
      padding: 22px; display: flex; flex-direction: column; justify-content: space-between;
      box-shadow: var(--shadow); overflow: hidden; position: relative;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .bento-card:hover { transform: translateY(-4px); border-color: var(--brand); box-shadow: var(--shadow-hover); }
    .bento-card.large { grid-row: span 2; min-height: 360px; }
    .bento-card .cover {
      position: absolute; right: 0; bottom: 0; width: 46%; height: 46%; object-fit: cover; opacity: .9;
      mask-image: linear-gradient(180deg, transparent, #000 30%);
    }
    .bento-card.large .cover { width: 100%; height: 42%; left: 0; right: 0; }
    .dept-tag {
      display: inline-flex; background: var(--bg-alt); color: var(--brand);
      font-size: 12px; font-weight: 600; border-radius: 999px; padding: 3px 10px; width: fit-content;
    }
    .bento-card h3 { margin: 12px 0 8px; }
    .bento-card p { color: var(--muted); max-width: 36em; }
    .card-grid-3 {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
    }
    .card-grid-6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .adv-card, .pack-card, .news-card, .story-card, .review-card, .case-card {
      background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
      box-shadow: var(--shadow); overflow: hidden;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .adv-card:hover, .pack-card:hover, .news-card:hover, .story-card:hover, .review-card:hover, .case-card:hover {
      transform: translateY(-4px); border-color: var(--brand); box-shadow: var(--shadow-hover);
    }
    .adv-card { padding: 0 0 20px; }
    .adv-card img { width: 100%; height: 150px; object-fit: cover; }
    .adv-card .body, .news-card .body, .pack-card .body { padding: 18px 18px 6px; }
    .adv-card h3 { font-size: 18px; margin: 8px 0; }
    .adv-card p, .pack-card p, .news-card p { color: var(--muted); font-size: 14px; }
    .pack-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .pack-card { display: flex; flex-direction: column; }
    .pack-card img { height: 190px; width: 100%; object-fit: cover; }
    .pack-card .body { display: flex; flex-direction: column; gap: 8px; padding-bottom: 22px; flex: 1; }
    .pack-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 10px; }
    .metrics {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
    }
    .metric {
      background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 22px 18px;
    }
    .metric .num {
      font-variant-numeric: tabular-nums; font-weight: 700; font-size: 34px;
      color: var(--brand); font-family: "Noto Serif SC", serif; line-height: 1.1;
    }
    .metric .unit { font-size: 14px; margin-left: 4px; color: var(--brand-dark); }
    .metric h3 { font-size: 16px; margin: 8px 0 6px; font-family: "Noto Sans SC", sans-serif; font-weight: 600; }
    .metric p { font-size: 12px; color: var(--muted); line-height: 1.6; }
    .timeline {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative;
    }
    .timeline::before {
      content: ""; position: absolute; left: 8%; right: 8%; top: 18px; height: 2px; background: var(--line-strong);
    }
    .step { padding: 0 12px 0 0; position: relative; }
    .step-index {
      width: 36px; height: 36px; border-radius: 50%; background: var(--brand); color: #fff;
      display: grid; place-items: center; font-weight: 700; position: relative; z-index: 1;
      margin-bottom: 14px;
    }
    .step h3 { font-size: 18px; margin-bottom: 8px; }
    .step p { color: var(--muted); font-size: 14px; }
    .note {
      display: inline-block; margin-top: 8px; font-size: 12px; color: var(--accent-dark);
      background: rgba(196,106,74,.1); padding: 4px 8px; border-radius: 6px;
    }
    .dark-block {
      background: var(--ink); color: #E7F0EC; padding: var(--space-section) 0;
      position: relative;
    }
    .dark-block h2, .dark-block h3 { color: #fff; }
    .dark-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 36px; align-items: start; }
    .case-wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .case-card {
      background: #1d3b35; border: 1px solid rgba(215,226,220,.16); border-radius: 10px; color: #E7F0EC;
    }
    .case-card:hover { border-color: rgba(231,240,236,.5); box-shadow: 0 0 0 1px rgba(231,240,236,.2); }
    .case-card img { height: 140px; width: 100%; object-fit: cover; }
    .case-card .body { padding: 16px; }
    .case-card p { color: #B7C9C2; font-size: 14px; }
    .stories { display: grid; gap: 22px; }
    .story-card {
      display: grid; grid-template-columns: 220px 1fr; gap: 0; align-items: stretch;
    }
    .story-card:nth-child(even) { grid-template-columns: 1fr 220px; }
    .story-card:nth-child(even) img { order: 2; }
    .story-card img { width: 100%; height: 100%; min-height: 220px; object-fit: cover; }
    .quote { padding: 28px 28px 24px; }
    .quote p { font-size: 16px; }
    .quote footer { margin-top: 16px; color: var(--muted); font-size: 14px; }
    .stat-band {
      background: var(--brand); color: #fff; padding: 48px 0;
    }
    .stat-band .row {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
    }
    .stat-item .num {
      font-size: 36px; font-weight: 700; font-variant-numeric: tabular-nums;
      font-family: "Noto Serif SC", serif;
    }
    .stat-item p { color: #E7F0EC; font-size: 14px; margin-top: 6px; }
    .filter-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
    .chip {
      min-height: 40px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line);
      background: #fff; color: var(--text); font-weight: 600;
    }
    .chip.is-active { background: var(--brand); color: #fff; border-color: var(--brand); }
    .review-track {
      display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 10px;
    }
    .review-card { flex: 0 0 320px; scroll-snap-align: start; padding: 20px; }
    .stars { color: var(--accent); letter-spacing: 2px; font-size: 14px; }
    .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .news-card img { height: 150px; width: 100%; object-fit: cover; }
    .news-card time { color: var(--muted); font-size: 12px; }
    .logo-wall {
      display: grid; grid-template-columns: repeat(8, 1fr); gap: 12px;
    }
    .logo-item {
      min-height: 84px; display: grid; place-items: center; text-align: center;
      background: #fff; border: 1px solid var(--line); border-radius: 12px;
      color: var(--muted); font-size: 13px; font-weight: 600; padding: 10px;
      filter: grayscale(.35);
    }
    .faq-list { display: grid; gap: 10px; }
    .faq-item { border: 1px solid var(--line); border-radius: 12px; background: #fff; overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; background: transparent; border: 0;
      min-height: 56px; padding: 14px 52px 14px 18px; font-weight: 600; color: var(--ink);
      position: relative;
    }
    .faq-item button::after {
      content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
      font-size: 22px; color: var(--brand); transition: transform .2s ease;
    }
    .faq-item.is-open button::after { transform: translateY(-50%) rotate(45deg); }
    .faq-panel {
      display: none; padding: 0 18px 18px; color: var(--muted); background: var(--bg-alt);
      line-height: 1.8;
    }
    .faq-item.is-open .faq-panel { display: block; }
    .guarantee {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
    }
    .g-item {
      display: grid; grid-template-columns: 36px 1fr; gap: 12px; align-items: start;
      background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px;
    }
    .g-item h3 { font-size: 16px; margin-bottom: 4px; }
    .g-item p { color: var(--muted); font-size: 14px; }
    .icon-seal {
      width: 36px; height: 36px; border-radius: 50%; background: var(--bg-alt); color: var(--brand);
      display: grid; place-items: center;
    }
    .cta-grid {
      display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: start;
    }
    .form-card, .info-card {
      background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
      box-shadow: var(--shadow); padding: 28px;
    }
    .form-grid { display: grid; gap: 14px; }
    label { display: grid; gap: 6px; font-weight: 600; color: var(--ink); font-size: 14px; }
    input, select, textarea {
      min-height: 48px; border: 1px solid var(--line-strong); border-radius: 8px;
      padding: 10px 12px; background: var(--bg-paper); color: var(--text);
      transition: border-color .2s ease, box-shadow .2s ease;
    }
    textarea { min-height: 120px; resize: vertical; }
    input:focus, select:focus, textarea:focus {
      border-color: var(--brand); box-shadow: 0 0 0 3px rgba(44,106,94,.15); outline: none;
    }
    .is-error { border-color: var(--accent) !important; }
    .form-success {
      display: none; background: var(--bg-alt); border: 1px solid var(--brand);
      border-radius: 12px; padding: 28px; color: var(--ink);
    }
    .form-success.is-show { display: block; }
    .form-card.is-done .form-grid, .form-card.is-done .btn { display: none; }
    .info-card h3 { margin-bottom: 12px; }
    .info-list { display: grid; gap: 12px; }
    .info-list div { color: var(--muted); }
    .info-list strong { display: block; color: var(--ink); }
    .site-footer {
      background: #122722; color: #C5D5D0; padding: 56px 0 24px;
    }
    .footer-grid {
      display: grid; grid-template-columns: 1.3fr .9fr .9fr 1fr; gap: 28px; margin-bottom: 32px;
    }
    .site-footer h3 { color: #fff; font-size: 16px; margin-bottom: 12px; }
    .site-footer a { color: #C5D5D0; }
    .site-footer a:hover { color: #fff; }
    .footer-brand .name {
      font-family: "Noto Serif SC", serif; color: #fff; font-size: 20px; margin-bottom: 10px;
    }
    .foot-links { display: grid; gap: 8px; }
    .copyright {
      border-top: 1px solid rgba(215,226,220,.15); padding-top: 16px; font-size: 13px;
      display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    }
    .cross-rule {
      height: 12px; background:
        linear-gradient(90deg, transparent 49%, var(--line) 49% 51%, transparent 51%);
      opacity: .7; margin: 8px 0 20px;
    }
    @media (max-width: 1440px) {
      h1 { font-size: 40px; }
    }
    @media (max-width: 1024px) {
      :root { --space-section: 72px; }
      h1 { font-size: 34px; }
      h2 { font-size: 26px; }
      .nav-desk { display: none; }
      .menu-toggle { display: inline-flex; }
      .split, .dark-layout, .cta-grid { grid-template-columns: 1fr; }
      .bento { grid-template-columns: 1fr 1fr; grid-template-rows: auto; min-height: 0; }
      .bento-card.large { grid-row: auto; }
      .card-grid-6, .news-grid, .type-wall { grid-template-columns: repeat(4, 1fr); }
      .pack-row, .metrics, .stat-band .row, .guarantee, .footer-grid { grid-template-columns: 1fr 1fr; }
      .timeline { grid-template-columns: 1fr; gap: 18px; }
      .timeline::before { display: none; }
      .case-wall { grid-template-columns: 1fr 1fr; }
      .logo-wall { grid-template-columns: repeat(4, 1fr); }
      .hero-viewport { height: auto; min-height: 720px; }
      .nodes { grid-template-columns: 1fr 1fr; }
      .roadmap-inner { grid-template-columns: 1fr; }
      .story-card, .story-card:nth-child(even) { grid-template-columns: 1fr; }
      .story-card:nth-child(even) img { order: 0; }
    }
    @media (max-width: 768px) {
      :root { --space-section: 56px; --header-main: 64px; }
      .container { width: min(1240px, calc(100% - 28px)); }
      h1 { font-size: 30px; }
      h2 { font-size: 24px; }
      .toolbar-inner { justify-content: flex-start; }
      .toolbar-right { display: none; }
      .hero-copy { padding: 28px 0 210px; }
      .hero-ctrl { display: none; }
      .hero-dots { bottom: 196px; }
      .type-wall, .card-grid-3, .card-grid-6, .bento, .pack-row, .metrics,
      .stat-band .row, .news-grid, .guarantee, .footer-grid, .case-wall, .logo-wall {
        grid-template-columns: 1fr;
      }
      .media-frame img { height: 260px; }
      .rail-card { flex-basis: 78vw; }
      .copyright { flex-direction: column; }
    }
    @media (max-width: 520px) {
      h1 { font-size: 28px; }
      .hero-actions { width: 100%; }
      .hero-actions .btn { width: 100%; }
      .nodes { grid-template-columns: 1fr; }
      .hero-viewport { min-height: 760px; }
      .logo-text strong { font-size: 16px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation: none !important; transition: none !important;
      }
    }