/* roulang page: index */
:root {
      --ink: #1A1C19;
      --ink-soft: #2C2F2B;
      --pine: #2F6F5E;
      --pine-deep: #24574A;
      --copper: #B56A3A;
      --copper-deep: #8E4E28;
      --paper: #F4F1EA;
      --mist: #E8E4DB;
      --card: #FBF9F4;
      --line: #D4CFC4;
      --muted: #6B6760;
      --text: #2A2C28;
      --white: #FFFdf8;
      --shadow: 0 8px 24px rgba(26,28,25,.06);
      --shadow-hover: 0 12px 28px rgba(26,28,25,.08);
      --radius: 6px;
      --radius-sm: 4px;
      --header-top: 36px;
      --header-main: 72px;
      --max: 1240px;
      --serif: "Noto Serif SC", "Songti SC", serif;
      --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --ease: cubic-bezier(.22,.61,.36,1);
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--sans);
      font-size: 17px;
      line-height: 1.75;
      color: var(--text);
      background: var(--paper);
      background-image:
        linear-gradient(rgba(244,241,234,.92), rgba(244,241,234,.92)),
        repeating-linear-gradient(0deg, transparent, transparent 23px, rgba(212,207,196,.18) 24px),
        repeating-linear-gradient(90deg, transparent, transparent 23px, rgba(212,207,196,.12) 24px);
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--pine); text-decoration: none; transition: color .25s var(--ease); }
    a:hover { color: var(--copper); }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3, h4 { margin: 0; color: var(--ink); font-weight: 600; }
    h1, h2 { font-family: var(--serif); letter-spacing: -.02em; line-height: 1.15; }
    h3 { font-family: var(--sans); font-size: 20px; line-height: 1.4; font-weight: 600; }
    p { margin: 0 0 1em; }
    ul { margin: 0; padding: 0; list-style: none; }
    :focus-visible { outline: 2px solid var(--pine); outline-offset: 3px; }
    .skip {
      position: absolute; left: 12px; top: -48px; z-index: 10000;
      background: var(--ink); color: var(--card); padding: 10px 16px; border-radius: var(--radius-sm);
    }
    .skip:focus { top: 12px; }
    .container { width: min(100% - 48px, var(--max)); margin: 0 auto; }
    .kicker {
      display: inline-block; font-size: 13px; letter-spacing: .12em; color: var(--pine);
      font-weight: 500; margin-bottom: 14px;
    }
    .kicker::before {
      content: ""; display: inline-block; width: 18px; height: 1px; background: var(--copper);
      margin-right: 10px; vertical-align: middle;
    }
    .muted { color: var(--muted); }
    .section {
      padding: 104px 0;
      position: relative;
    }
    .section-head { max-width: 720px; margin-bottom: 48px; }
    .section-head.wide { max-width: 860px; }
    .section-head h2 { font-size: clamp(28px, 3.4vw, 40px); margin-bottom: 18px; }
    .section-head p { color: var(--muted); font-size: 16px; line-height: 1.8; margin: 0; }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      font-size: 12px; padding: 4px 8px; border: 1px solid var(--ink);
      color: var(--ink); border-radius: 2px; letter-spacing: .04em; background: transparent;
    }
    .badge.green { border-color: var(--pine); color: var(--pine); }
    .badge.copper { border-color: var(--copper); color: var(--copper); }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 48px; padding: 0 22px; font-size: 15px; font-weight: 500;
      border-radius: var(--radius-sm); border: 1px solid var(--ink); color: var(--ink);
      background: transparent; position: relative; overflow: hidden; z-index: 0;
      transition: color .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
    }
    .btn + .btn { margin-left: 12px; }
    .btn-primary { background: var(--ink); color: var(--card); border-color: var(--ink); }
    .btn-primary::before {
      content: ""; position: absolute; inset: 0; background: var(--copper);
      transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); z-index: -1;
    }
    .btn-primary:hover { color: var(--white); border-color: var(--copper); }
    .btn-primary:hover::before { transform: scaleX(1); }
    .btn-primary:active { transform: translateY(1px); }
    .btn-ghost { background: transparent; color: var(--card); border-color: rgba(251,249,244,.45); }
    .btn-ghost:hover { background: var(--card); color: var(--ink); border-color: var(--card); }
    .btn-line:hover { background: var(--ink); color: var(--card); }
    .site-header {
      position: sticky; top: 0; z-index: 900; background: rgba(244,241,234,.86);
      backdrop-filter: blur(8px); border-bottom: 1px solid transparent;
      transition: background .3s var(--ease), box-shadow .3s var(--ease);
    }
    .site-header.is-scrolled {
      background: rgba(251,249,244,.96);
      border-bottom-color: var(--line);
      box-shadow: var(--shadow);
    }
    .topbar {
      display: flex; align-items: center; justify-content: space-between;
      height: var(--header-top); font-size: 12px; color: var(--muted);
      border-bottom: 1px solid var(--line); width: min(100% - 48px, var(--max)); margin: 0 auto;
    }
    .topbar a { color: var(--muted); }
    .topbar a:hover { color: var(--ink); }
    .topbar-right { display: flex; align-items: center; gap: 18px; }
    .trust-chip {
      border: 1px solid var(--pine); color: var(--pine); padding: 2px 8px; font-size: 11px; border-radius: 2px;
    }
    .nav-row {
      display: flex; align-items: center; justify-content: space-between;
      height: var(--header-main); width: min(100% - 48px, var(--max)); margin: 0 auto; gap: 24px;
    }
    .site-header.is-scrolled .nav-row { height: 60px; }
    .logo { display: flex; align-items: center; gap: 10px; color: var(--ink); min-height: 44px; }
    .logo:hover { color: var(--ink); }
    .logo-mark { display: flex; align-items: flex-end; gap: 3px; height: 22px; width: 22px; }
    .logo-mark i { display: block; width: 3px; background: var(--ink); border-radius: 1px; }
    .logo-mark i:nth-child(1) { height: 8px; }
    .logo-mark i:nth-child(2) { height: 14px; background: var(--pine); }
    .logo-mark i:nth-child(3) { height: 22px; }
    .logo-mark i:nth-child(4) { height: 11px; background: var(--copper); }
    .logo-text { font-family: var(--serif); font-size: 18px; font-weight: 600; letter-spacing: .02em; }
    .nav-links { display: flex; align-items: center; gap: 4px; }
    .nav-links a {
      color: var(--text); font-size: 14px; padding: 10px 12px; min-height: 44px;
      display: inline-flex; align-items: center; position: relative;
    }
    .nav-links a::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 8px; height: 1px;
      background: var(--copper); transform: scaleX(0); transition: transform .25s var(--ease);
    }
    .nav-links a:hover, .nav-links a[aria-current="true"] { color: var(--ink); }
    .nav-links a[aria-current="true"]::after, .nav-links a:hover::after { transform: scaleX(1); }
    .nav-cta { flex-shrink: 0; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; align-items: center; justify-content: center; flex-direction: column; gap: 6px;
    }
    .menu-toggle span { display: block; width: 20px; height: 1.5px; background: var(--ink); transition: .25s var(--ease); }
    .drawer {
      position: fixed; inset: 0 0 0 auto; width: min(86vw, 360px); background: var(--card);
      transform: translateX(100%); transition: transform .35s var(--ease); z-index: 950;
      padding: 28px 24px 40px; box-shadow: -16px 0 40px rgba(26,28,25,.08); overflow-y: auto;
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer-mask {
      position: fixed; inset: 0; background: rgba(26,28,25,.35); opacity: 0; pointer-events: none;
      transition: opacity .3s; z-index: 940;
    }
    .drawer-mask.is-open { opacity: 1; pointer-events: auto; }
    .drawer-top { font-size: 13px; color: var(--muted); margin-bottom: 28px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
    .drawer-top p { margin: 0 0 6px; }
    .drawer nav a {
      display: flex; align-items: center; min-height: 48px; color: var(--ink); font-size: 18px;
      font-family: var(--serif); border-bottom: 1px solid var(--mist);
    }
    .drawer .btn { width: 100%; margin-top: 24px; }
    .hero {
      position: relative; min-height: calc(100vh - 108px); min-height: 640px;
      background: var(--ink); color: var(--card); overflow: hidden;
    }
    .hero-slides { position: absolute; inset: 0; }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; transition: opacity 1s var(--ease);
      transform: scale(1.04); transition: opacity 1.1s var(--ease), transform 8s linear;
    }
    .hero-slide.is-active { opacity: 1; transform: scale(1); z-index: 1; }
    .hero-slide img {
      width: 100%; height: 100%; object-fit: cover; filter: grayscale(.15) contrast(1.05);
    }
    .hero-slide::after {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(26,28,25,.88) 0%, rgba(26,28,25,.62) 48%, rgba(26,28,25,.28) 100%);
    }
    .hero-inner {
      position: relative; z-index: 2; width: min(100% - 48px, var(--max)); margin: 0 auto;
      display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center;
      min-height: 640px; padding: 64px 0 88px;
    }
    .hero-panel {
      background: rgba(26,28,25,.72); border: 1px solid rgba(212,207,196,.22);
      padding: 40px 40px 36px; border-radius: 8px; box-shadow: 0 20px 50px rgba(0,0,0,.18);
    }
    .hero-panel h1, .hero-panel .slide-title {
      font-family: var(--serif); font-size: clamp(36px, 4.6vw, 58px); line-height: 1.12;
      color: var(--card); margin: 0 0 18px; font-weight: 600;
    }
    .hero-lead { font-size: 16px; line-height: 1.8; color: rgba(251,249,244,.82); margin-bottom: 28px; max-width: 36em; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-actions .btn { margin: 0; }
    .rank-board {
      background: rgba(251,249,244,.94); color: var(--ink); border-radius: 8px; padding: 22px 22px 8px;
      box-shadow: var(--shadow); border: 1px solid var(--line);
    }
    .rank-board h3 { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
    .rank-board .sub { font-size: 12px; color: var(--muted); margin-bottom: 14px; }
    .rank-item {
      display: grid; grid-template-columns: 28px 1fr auto; gap: 10px; align-items: center;
      padding: 12px 0; border-top: 1px solid var(--mist); font-size: 14px;
    }
    .rank-item b { font-variant-numeric: tabular-nums; color: var(--copper); font-family: var(--serif); font-size: 20px; }
    .rank-no { font-family: var(--serif); color: var(--muted); font-size: 13px; }
    .hero-controls {
      position: absolute; z-index: 3; left: 0; right: 0; bottom: 28px;
      width: min(100% - 48px, var(--max)); margin: 0 auto;
      display: flex; align-items: center; justify-content: space-between;
    }
    .hero-dots { display: flex; gap: 8px; }
    .hero-dots button {
      width: 36px; height: 3px; background: rgba(251,249,244,.35); min-height: 44px;
      position: relative;
    }
    .hero-dots button::after {
      content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 3px; background: rgba(251,249,244,.35);
    }
    .hero-dots button.is-active::after { background: var(--copper); }
    .hero-navbtns { display: flex; gap: 8px; }
    .icon-btn {
      width: 44px; height: 44px; border: 1px solid rgba(251,249,244,.4); color: var(--card);
      display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius-sm);
    }
    .icon-btn:hover { background: var(--card); color: var(--ink); }
    .intro-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; align-items: start; }
    .intro-grid h2 { font-size: clamp(30px, 3.6vw, 42px); margin: 10px 0 20px; }
    .intro-copy p { color: var(--muted); }
    .check-list { margin: 22px 0 0; display: grid; gap: 10px; }
    .check-list li {
      display: grid; grid-template-columns: 16px 1fr; gap: 10px; font-size: 15px; color: var(--text);
    }
    .check-list li::before { content: ""; width: 8px; height: 8px; border: 1px solid var(--pine); margin-top: 8px; }
    .spec-table { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 14px; }
    .spec-table th, .spec-table td { text-align: left; padding: 12px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
    .spec-table th { width: 28%; color: var(--ink); font-weight: 600; }
    .spec-table td { color: var(--muted); }
    .intro-visual { position: relative; }
    .intro-visual img { width: 100%; height: 420px; object-fit: cover; border-radius: 8px; }
    .intro-visual figcaption { font-size: 13px; color: var(--muted); margin-top: 10px; }
    .tier-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 36px; }
    .tier {
      background: var(--card); border: 1px solid var(--line); padding: 22px 20px; border-radius: var(--radius);
      transition: transform .3s var(--ease), border-color .3s;
    }
    .tier:hover { transform: translateY(-4px); border-color: var(--copper); }
    .tier .lv { font-size: 12px; color: var(--pine); letter-spacing: .08em; margin-bottom: 8px; }
    .tier strong { display: block; font-family: var(--serif); font-size: 28px; margin-bottom: 8px; font-variant-numeric: tabular-nums; }
    .tier p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.7; }
    .cap-grid {
      display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px;
    }
    .cap {
      background: var(--card); border: 1px solid var(--line); padding: 28px 26px 26px;
      border-radius: var(--radius); position: relative; overflow: hidden;
      transition: transform .3s var(--ease);
      grid-column: span 4;
    }
    .cap:nth-child(5), .cap:nth-child(6) { grid-column: span 6; }
    .cap:hover { transform: translateY(-4px); }
    .cap::after {
      content: ""; position: absolute; left: 50%; bottom: 0; width: 0; height: 2px; background: var(--copper);
      transition: width .35s var(--ease), left .35s var(--ease);
    }
    .cap:hover::after { width: 100%; left: 0; }
    .cap .no { font-family: var(--serif); color: var(--copper); font-size: 13px; letter-spacing: .14em; margin-bottom: 12px; }
    .cap h3 { margin-bottom: 10px; }
    .cap p { margin: 0; font-size: 14px; color: var(--muted); line-height: 1.75; }
    .cap a { display: inline-block; margin-top: 14px; font-size: 13px; color: var(--ink); border-bottom: 1px solid var(--copper); padding-bottom: 2px; }
    .adv-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; }
    .adv-list { counter-reset: adv; }
    .adv-list li {
      counter-increment: adv; padding: 20px 0 20px 58px; border-bottom: 1px solid var(--line); position: relative;
    }
    .adv-list li::before {
      content: counter(adv, decimal-leading-zero); position: absolute; left: 0; top: 20px;
      font-family: var(--serif); color: var(--copper); font-size: 18px;
    }
    .adv-list h3 { font-size: 18px; margin-bottom: 6px; }
    .adv-list p { margin: 0; font-size: 14px; color: var(--muted); }
    .adv-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .paper-card {
      background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
      padding: 24px; box-shadow: var(--shadow); position: relative; overflow: hidden;
      transition: transform .3s var(--ease);
    }
    .paper-card:hover { transform: translateY(-4px); }
    .paper-card::after {
      content: ""; position: absolute; left: 50%; bottom: 0; width: 0; height: 2px; background: var(--copper);
      transition: width .35s var(--ease), left .35s var(--ease);
    }
    .paper-card:hover::after { width: 100%; left: 0; }
    .paper-card h3 { font-size: 18px; margin-bottom: 8px; }
    .paper-card p { margin: 0; font-size: 14px; color: var(--muted); }
    .span-card {
      grid-column: 1 / -1; background: var(--ink); color: var(--card); border: 0; padding: 32px;
    }
    .span-card h3, .span-card p { color: var(--card); }
    .span-card p { color: rgba(251,249,244,.78); }
    .mod-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 18px; }
    .mod { background: var(--card); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; display: flex; flex-direction: column; transition: transform .3s var(--ease); }
    .mod:hover { transform: translateY(-4px); }
    .mod img { width: 100%; height: 220px; object-fit: cover; }
    .mod:first-child img { height: 280px; }
    .mod-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
    .mod-body h3 { margin: 10px 0; }
    .mod-body p { font-size: 14px; color: var(--muted); flex: 1; }
    .metrics { background: var(--mist); }
    .metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .metric { padding: 8px 8px 8px 0; border-left: 0; }
    .metric b {
      display: block; font-family: var(--serif); font-size: clamp(40px, 5vw, 64px); line-height: 1;
      font-variant-numeric: tabular-nums; color: var(--ink); letter-spacing: -.03em;
    }
    .metric b em { font-style: normal; color: var(--copper); font-size: .45em; margin-left: 4px; }
    .metric span { display: block; margin-top: 12px; font-size: 14px; color: var(--muted); }
    .process-track { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
    .process-track::before {
      content: ""; position: absolute; top: 27px; left: 8%; right: 8%; height: 1px; background: var(--line);
    }
    .step { padding: 0 16px 0 0; position: relative; }
    .step .dot {
      width: 14px; height: 14px; border: 1px solid var(--ink); background: var(--paper); border-radius: 50%;
      margin-bottom: 18px; position: relative; z-index: 1; transition: background .4s, border-color .4s;
    }
    .step.is-on .dot { background: var(--pine); border-color: var(--pine); }
    .step .idx { font-size: 12px; color: var(--copper); letter-spacing: .12em; margin-bottom: 8px; }
    .step h3 { font-size: 18px; margin-bottom: 8px; }
    .step p { font-size: 14px; color: var(--muted); margin: 0; }
    .philosophy {
      background: var(--ink); color: var(--card); padding: 0; overflow: hidden;
    }
    .philosophy-inner {
      display: grid; grid-template-columns: 7fr 5fr; min-height: 420px; position: relative;
    }
    .philosophy-bg {
      position: absolute; inset: 0; opacity: .28;
    }
    .philosophy-bg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.4); }
    .philosophy-quote, .philosophy-points { position: relative; z-index: 1; padding: 96px 0; }
    .philosophy-quote { width: min(100% - 48px, var(--max)); margin: 0 auto; grid-column: 1 / -1; display: grid; grid-template-columns: 7fr 5fr; gap: 40px; }
    .philosophy-quote blockquote {
      margin: 0; font-family: var(--serif); font-size: clamp(28px, 3.8vw, 48px); line-height: 1.25; color: var(--card);
    }
    .philosophy-points { display: flex; flex-direction: column; gap: 22px; justify-content: center; }
    .philosophy-points li { padding-left: 18px; border-left: 1px solid var(--copper); font-size: 15px; color: rgba(251,249,244,.82); }
    .philosophy-points strong { display: block; color: var(--card); font-size: 16px; margin-bottom: 4px; }
    .case-wall {
      display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px;
    }
    .case {
      grid-column: span 4; min-height: 260px; position: relative; overflow: hidden; border-radius: 8px;
      cursor: pointer; color: var(--card); isolation: isolate;
    }
    .case:nth-child(1) { grid-column: span 8; min-height: 340px; }
    .case:nth-child(2) { grid-column: span 4; min-height: 340px; }
    .case img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
    .case:hover img { transform: scale(1.06); }
    .case::after {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(180deg, rgba(26,28,25,.05), rgba(26,28,25,.78));
    }
    .case-body { position: relative; z-index: 1; padding: 24px; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; }
    .case-body .tag { align-self: flex-start; margin-bottom: auto; }
    .case-body h3 { color: var(--card); font-size: 20px; margin: 8px 0; }
    .case-body p { margin: 0; color: rgba(251,249,244,.86); font-size: 14px; }
    .overlay {
      position: fixed; inset: 0; background: rgba(26,28,25,.55); z-index: 1200; display: none;
      align-items: center; justify-content: center; padding: 24px;
    }
    .overlay.is-open { display: flex; }
    .overlay-card {
      width: min(640px, 100%); background: var(--card); padding: 36px; border-radius: 8px; position: relative;
    }
    .overlay-card h3 { margin-bottom: 12px; }
    .overlay-close {
      position: absolute; right: 12px; top: 12px; width: 44px; height: 44px; font-size: 22px; color: var(--ink);
    }
    .stories-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 20px; }
    .story-main { display: grid; grid-template-columns: 1.1fr 1fr; background: var(--card); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
    .story-main img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
    .story-main blockquote { margin: 0; padding: 36px 32px; font-family: var(--serif); font-size: 22px; line-height: 1.5; }
    .story-main cite { display: block; margin-top: 20px; font-style: normal; font-family: var(--sans); font-size: 14px; color: var(--muted); }
    .story-side { display: flex; flex-direction: column; gap: 16px; }
    .quote-card {
      flex: 1; background: var(--card); border: 1px solid var(--line); padding: 24px; border-radius: var(--radius);
    }
    .quote-card p { font-size: 15px; margin-bottom: 16px; }
    .quote-card cite { font-style: normal; font-size: 13px; color: var(--muted); }
    .outcome {
      background: var(--mist); border-top: 2px solid var(--copper); padding: 72px 0;
    }
    .outcome .metric-grid { gap: 32px; }
    .reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .review {
      background: var(--card); border: 1px solid var(--line); padding: 28px 24px; border-radius: var(--radius);
    }
    .review .marks { color: var(--copper); letter-spacing: 3px; font-size: 14px; margin-bottom: 10px; }
    .review q { display: block; font-family: var(--serif); font-size: 18px; quotes: "「" "」"; margin-bottom: 16px; }
    .review footer { font-size: 13px; color: var(--muted); }
    .news-list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line); }
    .news-item {
      display: grid; grid-template-columns: 160px 120px 1fr auto; gap: 24px; align-items: center;
      padding: 22px 0; border-bottom: 1px solid var(--line);
    }
    .news-item img { width: 160px; height: 96px; object-fit: cover; border-radius: var(--radius-sm); }
    .news-item time { font-variant-numeric: tabular-nums; font-size: 13px; color: var(--muted); }
    .news-item h3 { font-size: 18px; margin-bottom: 6px; }
    .news-item p { margin: 0; font-size: 14px; color: var(--muted); }
    .news-more { font-size: 13px; color: var(--ink); border-bottom: 1px solid var(--copper); }
    .partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); border: 1px solid var(--line); }
    .partner-grid li {
      display: flex; align-items: center; justify-content: center; min-height: 88px;
      border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
      color: #9a958c; font-size: 14px; transition: color .25s, background .25s;
    }
    .partner-grid li:hover { color: var(--ink); background: var(--card); }
    .faq-list { display: flex; flex-direction: column; gap: 8px; }
    .faq-item { border: 1px solid var(--line); background: var(--card); border-radius: var(--radius-sm); }
    .faq-item button {
      width: 100%; text-align: left; min-height: 64px; padding: 16px 56px 16px 22px;
      font-size: 16px; font-weight: 600; color: var(--ink); position: relative;
    }
    .faq-item button .plus {
      position: absolute; right: 18px; top: 50%; width: 14px; height: 14px; transform: translateY(-50%);
    }
    .faq-item button .plus::before, .faq-item button .plus::after {
      content: ""; position: absolute; background: var(--ink); transition: transform .25s;
    }
    .faq-item button .plus::before { left: 0; right: 0; top: 6px; height: 1.5px; }
    .faq-item button .plus::after { top: 0; bottom: 0; left: 6px; width: 1.5px; }
    .faq-item.is-open button .plus::after { transform: rotate(90deg); opacity: 0; }
    .faq-panel { display: none; padding: 0 22px 20px; color: var(--muted); font-size: 15px; }
    .faq-item.is-open .faq-panel { display: block; }
    .faq-panel ul { margin: 10px 0 0; padding-left: 18px; list-style: disc; }
    .faq-panel li { margin: 4px 0; }
    .guarantee { background: var(--mist); }
    .g-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--line); background: var(--card); }
    .g-item { padding: 28px 24px; border-right: 1px solid var(--line); }
    .g-item:last-child { border-right: 0; }
    .g-ico { width: 36px; height: 36px; margin-bottom: 14px; }
    .g-item h3 { font-size: 16px; margin-bottom: 8px; }
    .g-item p { margin: 0; font-size: 13px; color: var(--muted); }
    .cta-belt {
      background: var(--ink); color: var(--card); padding: 28px 0; margin-bottom: 0;
    }
    .cta-belt .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
    .cta-belt p { margin: 0; font-family: var(--serif); font-size: 22px; color: var(--card); }
    .contact { background: var(--paper); }
    .contact-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 56px; }
    .contact-info h2 { font-size: clamp(28px, 3.4vw, 40px); margin-bottom: 16px; }
    .contact-info p { color: var(--muted); }
    .info-lines { margin: 24px 0; }
    .info-lines li { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
    .info-lines span { display: block; font-size: 12px; color: var(--muted); }
    .slots { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 20px; }
    .slot {
      border: 1px solid var(--line); padding: 12px; font-size: 13px; background: var(--card); min-height: 64px;
    }
    .slot b { display: block; font-size: 14px; }
    .form-card { background: var(--card); border: 1px solid var(--line); padding: 32px; border-radius: 8px; box-shadow: var(--shadow); }
    .form-row { margin-bottom: 18px; }
    .form-row label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--ink); }
    .form-row input, .form-row select, .form-row textarea {
      width: 100%; border: 0; border-bottom: 1px solid var(--line); background: transparent;
      padding: 10px 0; font-size: 15px; color: var(--ink); border-radius: 0; min-height: 44px;
    }
    .form-row textarea { min-height: 96px; resize: vertical; }
    .form-row input:focus, .form-row select:focus, .form-row textarea:focus {
      outline: none; border-bottom-color: var(--pine);
    }
    .form-row.is-error input, .form-row.is-error textarea, .form-row.is-error select { border-bottom-color: var(--copper); }
    .form-row .err { display: none; font-size: 12px; color: var(--copper); margin-top: 4px; }
    .form-row.is-error .err { display: block; }
    .form-note { font-size: 12px; color: var(--muted); margin: 8px 0 16px; }
    .form-ok { display: none; padding: 14px 16px; background: rgba(47,111,94,.1); color: var(--pine); font-size: 14px; margin-bottom: 12px; }
    .form-ok.is-show { display: block; }
    .site-footer { background: var(--ink); color: rgba(251,249,244,.72); padding: 64px 0 28px; font-size: 14px; }
    .foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; margin-bottom: 40px; }
    .site-footer .logo-text, .site-footer .logo { color: var(--card); }
    .site-footer .logo-mark i { background: var(--card); }
    .site-footer .logo-mark i:nth-child(2) { background: #8FCBB8; }
    .site-footer .logo-mark i:nth-child(4) { background: #D08A5A; }
    .foot-brand p { margin-top: 16px; max-width: 28em; line-height: 1.8; }
    .site-footer h4 { color: var(--card); font-size: 14px; margin-bottom: 14px; font-family: var(--sans); }
    .site-footer a { color: rgba(251,249,244,.72); }
    .site-footer a:hover { color: var(--card); }
    .foot-nav a { display: block; min-height: 36px; padding: 6px 0; }
    .foot-copy { border-top: 1px solid rgba(212,207,196,.18); padding-top: 18px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 12px; }
    .reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
    .reveal.is-in { opacity: 1; transform: none; }
    @media (max-width: 1200px) {
      .mod-grid { grid-template-columns: 1fr 1fr; }
      .mod:first-child { grid-column: 1 / -1; }
      .partner-grid { grid-template-columns: repeat(4, 1fr); }
      .news-item { grid-template-columns: 140px 100px 1fr; }
      .news-more { display: none; }
    }
    @media (max-width: 992px) {
      .hero-inner { grid-template-columns: 1fr; padding: 48px 0 96px; min-height: auto; }
      .rank-board { max-width: 480px; }
      .intro-grid, .adv-layout, .stories-grid, .contact-grid, .philosophy-quote { grid-template-columns: 1fr; }
      .intro-visual img { height: 280px; }
      .cap { grid-column: span 6; }
      .cap:nth-child(5), .cap:nth-child(6) { grid-column: span 6; }
      .metric-grid, .g-grid { grid-template-columns: 1fr 1fr; }
      .g-item:nth-child(2) { border-right: 0; }
      .g-item:nth-child(1), .g-item:nth-child(2) { border-bottom: 1px solid var(--line); }
      .process-track { grid-template-columns: 1fr; gap: 18px; }
      .process-track::before { display: none; }
      .step { display: grid; grid-template-columns: 14px 1fr; gap: 16px; padding: 0; }
      .step .dot { margin: 6px 0 0; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .reviews-grid { grid-template-columns: 1fr 1fr; }
      .case, .case:nth-child(1), .case:nth-child(2) { grid-column: span 6; min-height: 240px; }
      .story-main { grid-template-columns: 1fr; }
      .story-main img { min-height: 220px; }
    }
    @media (max-width: 768px) {
      :root { --header-main: 60px; }
      .topbar { display: none; }
      .nav-links, .nav-cta { display: none; }
      .menu-toggle { display: inline-flex; }
      .container, .nav-row, .topbar, .hero-inner, .hero-controls, .philosophy-quote { width: min(100% - 32px, var(--max)); }
      .section { padding: 64px 0; }
      .hero-panel { padding: 28px 22px; }
      .tier-row, .mod-grid, .reviews-grid, .partner-grid { grid-template-columns: 1fr 1fr; }
      .cap, .cap:nth-child(5), .cap:nth-child(6) { grid-column: span 12; }
      .news-item { grid-template-columns: 1fr; gap: 8px; }
      .news-item img { width: 100%; height: 160px; }
      .cta-belt .container { flex-direction: column; align-items: flex-start; }
      .btn + .btn { margin-left: 0; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .hero-actions .btn { width: 100%; }
      .case, .case:nth-child(1), .case:nth-child(2) { grid-column: span 12; }
      .slots { grid-template-columns: 1fr; }
    }
    @media (max-width: 520px) {
      body { font-size: 16px; }
      .tier-row, .mod-grid, .reviews-grid, .partner-grid, .metric-grid, .g-grid, .adv-cards { grid-template-columns: 1fr; }
      .g-item { border-right: 0; border-bottom: 1px solid var(--line); }
      .foot-grid { grid-template-columns: 1fr; }
      .form-card { padding: 22px 18px; }
      .logo-text { font-size: 16px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation: none !important; transition: none !important; scroll-behavior: auto !important;
      }
      .reveal { opacity: 1; transform: none; }
      .hero-slide { transform: none; }
    }