/* roulang page: index */
:root {
      --ink: #161513;
      --bronze: #9A7B4F;
      --teal: #2F4A4C;
      --cinnabar: #8E3B2E;
      --paper: #F6F3EC;
      --paper-alt: #EFEAE1;
      --card: #FBF8F2;
      --dark: #1C1A17;
      --cream: #F3EEE4;
      --line: rgba(22, 21, 19, 0.12);
      --line-strong: rgba(22, 21, 19, 0.22);
      --text: #2A2723;
      --muted: #6B655C;
      --inverse: #F6F3EC;
      --radius: 5px;
      --radius-btn: 3px;
      --shadow-hover: 0 8px 24px rgba(22, 21, 19, 0.06);
      --shadow-nav: 0 1px 0 rgba(22, 21, 19, 0.08);
      --gutter: 40px;
      --max: 1240px;
      --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
      --sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --header-top: 38px;
      --header-main: 78px;
      --ease: 200ms ease;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--sans);
      font-size: 16px;
      line-height: 1.75;
      font-weight: 400;
      color: var(--text);
      background: var(--paper);
      -webkit-font-smoothing: antialiased;
    }
    body.nav-open { overflow: hidden; }
    img { max-width: 100%; height: auto; display: block; }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3, h4 { font-family: var(--serif); color: var(--ink); font-weight: 600; letter-spacing: -0.02em; line-height: 1.25; margin: 0; }
    p { margin: 0 0 1em; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    :focus-visible { outline: 2px solid var(--bronze); outline-offset: 3px; }
    .skip-link {
      position: absolute; left: 16px; top: -48px; z-index: 1000;
      background: var(--ink); color: var(--inverse); padding: 8px 14px;
      border-radius: var(--radius-btn);
    }
    .skip-link:focus { top: 8px; }
    .container { width: min(var(--max), calc(100% - var(--gutter) * 2)); margin: 0 auto; }
    .eyebrow {
      display: inline-block; font-size: 12px; letter-spacing: 0.18em;
      text-transform: none; color: var(--bronze); font-weight: 500; margin-bottom: 14px;
    }
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      min-height: 44px; padding: 0 22px; border-radius: var(--radius-btn);
      font-size: 14px; letter-spacing: 0.04em; transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
      white-space: nowrap;
    }
    .btn-primary { background: var(--ink); color: #fff; }
    .btn-primary:hover, .btn-primary:active { background: var(--teal); transform: translateY(-1px); }
    .btn-ghost {
      background: transparent; color: #fff; border: 1px solid rgba(246, 243, 236, 0.45);
    }
    .btn-ghost:hover { border-color: #fff; background: rgba(246, 243, 236, 0.08); transform: translateY(-1px); }
    .btn-line {
      background: transparent; color: var(--ink); border: 1px solid var(--line-strong);
    }
    .btn-line:hover { border-color: var(--bronze); color: var(--teal); transform: translateY(-1px); }
    .text-link {
      color: var(--teal); font-size: 14px; border-bottom: 1px solid rgba(47, 74, 76, 0.35);
      padding-bottom: 2px; transition: color var(--ease), border-color var(--ease);
    }
    .text-link:hover { color: var(--bronze); border-color: var(--bronze); }
    .site-header { position: relative; z-index: 80; }
    .topbar {
      height: var(--header-top); background: var(--dark); color: #E8E1D4;
      font-size: 12px; display: flex; align-items: center;
    }
    .topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; width: 100%; }
    .topbar-left, .topbar-right { display: flex; align-items: center; gap: 18px; white-space: nowrap; }
    .topbar a { color: #E8E1D4; }
    .topbar a:hover { color: #fff; }
    .dot-sep::before { content: "·"; margin: 0 4px; opacity: 0.5; }
    .mainbar {
      height: var(--header-main); background: var(--paper);
      display: flex; align-items: center; border-bottom: 1px solid transparent;
    }
    .mainbar.is-stuck {
      position: sticky; top: 0; z-index: 90;
      border-bottom: 1px solid rgba(22, 21, 19, 0.1);
      box-shadow: var(--shadow-nav); background: rgba(246, 243, 236, 0.96);
      backdrop-filter: blur(8px);
    }
    .mainbar .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: 100%; }
    .logo { display: flex; flex-direction: column; line-height: 1.15; color: var(--ink); min-width: 168px; }
    .logo-name { font-family: var(--serif); font-size: 22px; font-weight: 600; letter-spacing: 0.08em; }
    .logo-sub { font-size: 12px; color: var(--muted); letter-spacing: 0.12em; margin-top: 4px; }
    .nav-desktop { display: flex; align-items: center; gap: 22px; }
    .nav-desktop a {
      position: relative; font-size: 14px; color: var(--ink); padding: 8px 0;
      font-weight: 400;
    }
    .nav-desktop a::after {
      content: ""; position: absolute; left: 0; bottom: 2px; width: 0; height: 1px;
      background: var(--bronze); transition: width 240ms ease;
    }
    .nav-desktop a:hover::after, .nav-desktop a.is-active::after { width: 100%; }
    .nav-desktop a.is-active { font-weight: 600; }
    .header-cta { margin-left: 8px; }
    .burger {
      display: none; width: 44px; height: 44px; align-items: center; justify-content: center; flex-direction: column; gap: 6px;
    }
    .burger span { display: block; width: 22px; height: 1.5px; background: var(--ink); }
    .drawer {
      position: fixed; inset: 0; background: var(--paper); z-index: 100;
      transform: translateX(100%); transition: transform 280ms ease; padding: 28px 24px 48px;
      overflow-y: auto;
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 36px; }
    .drawer nav a {
      display: flex; align-items: center; min-height: 52px; font-size: 22px;
      font-family: var(--serif); border-bottom: 1px solid var(--line); color: var(--ink);
    }
    .drawer-close { width: 44px; height: 44px; font-size: 28px; line-height: 1; color: var(--ink); }
    .hero {
      position: relative; min-height: 92vh; color: #fff; overflow: hidden; background: var(--dark);
    }
    .hero-track { position: absolute; inset: 0; }
    .hero-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 700ms ease, visibility 700ms ease; }
    .hero-slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
    .hero-bg { position: absolute; inset: 0; overflow: hidden; }
    .hero-bg img { width: 100%; height: 100%; object-fit: cover; transform: scale(1); }
    .hero-slide.is-active .hero-bg img { animation: kenburns 14s ease-out forwards; }
    .hero-mask {
      position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(22, 21, 19, 0.78) 0%, rgba(22, 21, 19, 0.42) 48%, rgba(22, 21, 19, 0.18) 100%),
                  linear-gradient(180deg, rgba(22, 21, 19, 0.12) 0%, rgba(22, 21, 19, 0.72) 100%);
    }
    .hero-copy {
      position: relative; z-index: 2; min-height: 92vh; display: flex; align-items: flex-end;
      padding: 0 0 96px;
    }
    .hero-kicker { font-size: 13px; letter-spacing: 0.22em; color: #D9C7A4; margin-bottom: 18px; }
    .hero-title {
      font-family: var(--serif); font-size: clamp(34px, 5vw, 62px); font-weight: 600;
      letter-spacing: -0.02em; line-height: 1.18; max-width: 16ch; margin-bottom: 20px;
    }
    .hero-sub { max-width: 38em; font-size: 16px; line-height: 1.8; color: #E8E1D4; margin-bottom: 32px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-nav-btn {
      position: absolute; top: 50%; z-index: 3; width: 44px; height: 44px; color: #fff;
      border: 1px solid rgba(246, 243, 236, 0.35); transform: translateY(-50%);
      display: flex; align-items: center; justify-content: center; font-size: 20px;
    }
    .hero-nav-btn:hover { border-color: #fff; }
    .hero-prev { left: 24px; }
    .hero-next { right: 24px; }
    .hero-dots {
      position: absolute; left: var(--gutter); bottom: 36px; z-index: 3; display: flex; gap: 8px;
    }
    .hero-dots button {
      width: 28px; height: 2px; background: rgba(246, 243, 236, 0.35); padding: 0;
    }
    .hero-dots button.is-active { background: var(--bronze); }
    .pause-hint { position: absolute; right: var(--gutter); bottom: 32px; z-index: 3; font-size: 12px; color: rgba(246,243,236,0.6); }
    main { display: block; }
    .section { padding: 112px 0; }
    .section-alt { background: var(--paper-alt); }
    .section-head { margin-bottom: 48px; max-width: 46em; }
    .section-head h2 { font-size: clamp(28px, 3.4vw, 40px); margin-bottom: 16px; }
    .section-head p { color: var(--muted); margin: 0; }
    .intro-grid {
      display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 64px; align-items: start;
    }
    .intro-quote {
      font-family: var(--serif); font-size: clamp(22px, 2.4vw, 30px); line-height: 1.55;
      color: var(--ink); margin-bottom: 28px;
    }
    .intro-copy p { color: var(--text); }
    .intro-figure { position: relative; }
    .intro-figure img { width: 100%; height: 560px; object-fit: cover; filter: grayscale(0.18); }
    .v-label {
      position: absolute; right: -18px; top: 24px; writing-mode: vertical-rl;
      letter-spacing: 0.4em; font-size: 12px; color: var(--bronze);
      border-left: 1px solid var(--bronze); padding-left: 10px; height: 180px;
    }
    .matrix-wrap { display: grid; grid-template-columns: 0.38fr 0.62fr; gap: 56px; align-items: start; }
    .matrix-sticky { position: sticky; top: 110px; }
    .matrix-sticky h2 { font-size: clamp(28px, 3vw, 40px); margin-bottom: 18px; }
    .matrix-sticky p { color: var(--muted); }
    .matrix-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--line); }
    .matrix-item {
      padding: 22px 18px 20px 0; border-bottom: 1px solid var(--line);
      transition: background var(--ease);
    }
    .matrix-item:nth-child(odd) { padding-right: 22px; border-right: 1px solid var(--line); }
    .matrix-item:nth-child(even) { padding-left: 22px; }
    .matrix-item:hover { background: rgba(154, 123, 79, 0.06); }
    .matrix-no { font-size: 12px; color: var(--muted); letter-spacing: 0.12em; transition: color var(--ease); }
    .matrix-item:hover .matrix-no { color: var(--bronze); }
    .matrix-item h3 { font-size: 18px; margin: 8px 0 8px; }
    .matrix-item p { font-size: 14px; color: var(--muted); margin-bottom: 12px; }
    .adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .adv-card {
      background: var(--card); border: 1px solid var(--line); padding: 28px 24px 26px;
      min-height: 220px; transition: box-shadow var(--ease), transform var(--ease);
    }
    .adv-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
    .adv-no { font-size: 11px; color: var(--bronze); letter-spacing: 0.16em; }
    .adv-card h3 { font-size: 20px; margin: 14px 0 10px; }
    .adv-card p { font-size: 14px; color: var(--muted); margin: 0; }
    .hot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
    .hot-card { background: var(--card); border: 1px solid var(--line); }
    .hot-card img { width: 100%; height: 220px; object-fit: cover; filter: grayscale(0.25); transition: filter 280ms ease; }
    .hot-card:hover img { filter: grayscale(0); }
    .hot-card-body { padding: 22px 22px 24px; }
    .hot-card h3 { font-size: 20px; margin-bottom: 10px; }
    .hot-card p { font-size: 14px; color: var(--muted); margin-bottom: 16px; }
    .hot-card:nth-child(2) { margin-top: -24px; }
    .metrics { background: var(--dark); color: var(--inverse); padding: 84px 0; }
    .metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .metric-num {
      font-family: var(--serif); font-size: clamp(40px, 5vw, 56px); font-variant-numeric: tabular-nums;
      letter-spacing: -0.03em; color: #F6F3EC; line-height: 1;
    }
    .metric-label { margin-top: 12px; color: #C9C0B2; font-size: 14px; }
    .metric-item { border-left: 1px solid rgba(246, 243, 236, 0.12); padding-left: 24px; }
    .metric-item:first-child { border-left: 0; padding-left: 0; }
    .process-line { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; position: relative; }
    .process-line::before {
      content: ""; position: absolute; left: 0; right: 0; top: 17px; height: 1px; background: var(--line-strong);
    }
    .process-step { position: relative; padding-top: 44px; padding-right: 16px; }
    .process-step .n {
      position: absolute; top: 0; left: 0; width: 34px; height: 34px; border: 1px solid var(--bronze);
      border-radius: 50%; background: var(--paper); display: flex; align-items: center; justify-content: center;
      font-size: 12px; color: var(--bronze); z-index: 1;
    }
    .process-step h3 { font-size: 17px; margin-bottom: 8px; }
    .process-step p { font-size: 13px; color: var(--muted); margin: 0; }
    .philosophy {
      position: relative; min-height: 520px; color: var(--inverse); overflow: hidden;
      display: flex; align-items: center; padding: 120px 0;
    }
    .philosophy-bg { position: absolute; inset: 0; }
    .philosophy-bg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.4); transform: scale(1.04); animation: drift 28s linear infinite alternate; }
    .philosophy-mask { position: absolute; inset: 0; background: rgba(22, 21, 19, 0.78); }
    .philosophy-inner { position: relative; z-index: 1; max-width: 920px; }
    .philosophy blockquote {
      font-family: var(--serif); font-size: clamp(26px, 3.6vw, 42px); line-height: 1.45;
      margin: 0 0 36px; border: 1px solid rgba(246, 243, 236, 0.16); padding: 36px 40px;
    }
    .philo-points { display: flex; gap: 32px; flex-wrap: wrap; }
    .philo-points li { font-size: 14px; color: #D9C7A4; letter-spacing: 0.08em; }
    .case-wall { display: grid; grid-template-columns: 1.4fr 1fr 1fr; grid-template-rows: 280px 240px; gap: 16px; }
    .case-block { position: relative; overflow: hidden; background: var(--dark); color: #fff; }
    .case-block img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.45); transition: filter 280ms ease, transform 500ms ease; }
    .case-block:hover img { filter: grayscale(0); transform: scale(1.03); }
    .case-block figcaption {
      position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 22px 20px;
      background: linear-gradient(180deg, transparent, rgba(22,21,19,0.86));
    }
    .case-tag { font-size: 12px; color: #D9C7A4; letter-spacing: 0.08em; }
    .case-block h3 { font-size: 18px; color: #fff; margin: 6px 0 6px; }
    .case-block p { font-size: 13px; color: #E8E1D4; margin: 0; }
    .case-block:first-child { grid-row: 1 / span 2; }
    .story { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; margin-bottom: 72px; }
    .story:last-child { margin-bottom: 0; }
    .story.reverse { direction: rtl; }
    .story.reverse > * { direction: ltr; }
    .story img { width: 100%; height: 380px; object-fit: cover; filter: grayscale(0.15); }
    .story h3 { font-size: 26px; margin: 10px 0 16px; }
    .story p { color: var(--text); }
    .reviews { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 18px; }
    .review {
      background: var(--card); border: 1px solid var(--line); padding: 28px 26px;
    }
    .review q { display: block; font-size: 15px; line-height: 1.8; quotes: "「" "」"; }
    .review q::before { content: "「"; color: var(--bronze); font-family: var(--serif); font-size: 22px; margin-right: 4px; }
    .review q::after { content: "」"; color: var(--bronze); }
    .review cite { display: block; margin-top: 18px; font-style: normal; font-size: 13px; color: var(--muted); }
    .partners-grid {
      display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line);
    }
    .partner-cell {
      border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
      min-height: 92px; display: flex; align-items: center; justify-content: center;
      text-align: center; padding: 16px; color: #8A847A; font-size: 14px; transition: color var(--ease), background var(--ease);
    }
    .partner-cell:hover { color: var(--ink); background: var(--card); }
    .insights { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; }
    .insight-lead article { display: block; }
    .insight-lead img { width: 100%; height: 320px; object-fit: cover; margin-bottom: 20px; filter: grayscale(0.2); }
    .insight-lead time, .insight-list time { font-size: 12px; color: var(--bronze); letter-spacing: 0.08em; }
    .insight-lead h3 { font-size: 26px; margin: 8px 0 12px; }
    .insight-list { border-top: 1px solid var(--line); }
    .insight-list a {
      display: block; padding: 18px 0; border-bottom: 1px solid var(--line);
    }
    .insight-list h3 { font-size: 18px; margin: 6px 0 6px; }
    .insight-list p { font-size: 14px; color: var(--muted); margin: 0; }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item:first-child { border-top: 1px solid var(--line); }
    .faq-q {
      width: 100%; text-align: left; min-height: 64px; display: flex; align-items: center; justify-content: space-between;
      gap: 16px; font-size: 17px; color: var(--ink); font-weight: 500; padding: 16px 0;
    }
    .faq-q .arr { width: 12px; height: 12px; border-right: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); transform: rotate(45deg); transition: transform 200ms ease; flex-shrink: 0; }
    .faq-item.is-open .faq-q .arr { transform: rotate(-135deg); }
    .faq-a { display: none; padding: 0 0 18px; color: var(--muted); font-size: 15px; max-width: 52em; }
    .faq-item.is-open .faq-a { display: block; }
    .assurance { background: var(--paper-alt); }
    .assu-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .assu-item { padding: 8px 8px 0 0; }
    .assu-icon { width: 28px; height: 28px; border: 1px solid var(--bronze); margin-bottom: 14px; position: relative; }
    .assu-icon::after { content: ""; position: absolute; inset: 6px; border: 1px solid var(--teal); }
    .assu-item h3 { font-size: 18px; margin-bottom: 8px; }
    .assu-item p { font-size: 14px; color: var(--muted); margin: 0; }
    .contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; }
    .form-row { margin-bottom: 18px; }
    label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--ink); }
    label .req { color: var(--cinnabar); margin-left: 2px; }
    input[type="text"], input[type="tel"], input[type="email"], select, textarea {
      width: 100%; background: transparent; border: 1px solid var(--line-strong);
      min-height: 46px; padding: 10px 12px; color: var(--ink); font-size: 15px; border-radius: var(--radius-btn);
    }
    textarea { min-height: 120px; resize: vertical; }
    input:focus, select:focus, textarea:focus { outline: none; border-color: var(--bronze); }
    .field-error { display: none; font-size: 12px; color: var(--cinnabar); margin-top: 4px; }
    .is-invalid .field-error { display: block; }
    .is-invalid input, .is-invalid select, .is-invalid textarea { border-color: var(--cinnabar); }
    .form-success {
      display: none; border: 1px solid var(--bronze); padding: 16px 18px; color: var(--teal); margin-bottom: 16px; font-size: 14px;
    }
    .form-success.is-show { display: block; }
    .contact-meta p { margin-bottom: 8px; }
    .map-box {
      margin-top: 24px; height: 220px; overflow: hidden; position: relative; border: 1px solid var(--line);
    }
    .map-box img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.5); }
    .map-box span {
      position: absolute; left: 12px; bottom: 12px; background: rgba(22,21,19,0.78); color: #fff;
      font-size: 12px; padding: 6px 10px;
    }
    .site-footer { background: var(--dark); color: #C9C0B2; padding: 72px 0 28px; font-size: 14px; }
    .footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.1fr; gap: 32px; margin-bottom: 48px; }
    .site-footer h3 { color: #F6F3EC; font-size: 16px; margin-bottom: 16px; }
    .site-footer a { color: #C9C0B2; }
    .site-footer a:hover { color: #fff; }
    .footer-brand .logo-name { color: #F6F3EC; }
    .footer-brand .logo-sub { color: #C9C0B2; }
    .footer-brand p { margin-top: 16px; max-width: 28em; }
    .footer-links li { margin-bottom: 8px; }
    .footer-bottom {
      border-top: 1px solid rgba(246,243,236,0.1); padding-top: 18px;
      display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 12px;
    }
    @keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.04); } }
    @keyframes drift { from { transform: scale(1.04) translate3d(0,0,0); } to { transform: scale(1.08) translate3d(0,-12px,0); } }
    .fade-up { opacity: 0; transform: translateY(16px); transition: opacity 600ms ease, transform 600ms ease; }
    .fade-up.is-in { opacity: 1; transform: none; }
    @media (max-width: 1280px) {
      :root { --gutter: 32px; }
      .hero-title { max-width: 14ch; }
    }
    @media (max-width: 1024px) {
      .nav-desktop, .header-cta { display: none; }
      .burger { display: flex; }
      .intro-grid, .matrix-wrap, .contact-grid, .insights, .story, .story.reverse { grid-template-columns: 1fr; direction: ltr; }
      .matrix-sticky { position: static; }
      .adv-grid, .hot-grid { grid-template-columns: 1fr 1fr; }
      .hot-card:nth-child(2) { margin-top: 0; }
      .metrics-grid, .assu-grid, .process-line { grid-template-columns: 1fr 1fr; gap: 28px; }
      .process-line::before { display: none; }
      .case-wall { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
      .case-block, .case-block:first-child { grid-row: auto; height: 280px; }
      .reviews { grid-template-columns: 1fr; }
      .partners-grid { grid-template-columns: 1fr 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .v-label { right: 8px; }
      .intro-figure img, .story img { height: 380px; }
    }
    @media (max-width: 768px) {
      :root { --gutter: 18px; --header-main: 60px; }
      .topbar-left span:not(.keep), .topbar-right span { display: none; }
      .section { padding: 72px 0; }
      .hero, .hero-copy { min-height: 640px; }
      .hero-copy { padding-bottom: 80px; }
      .hero-prev { left: 10px; }
      .hero-next { right: 10px; }
      .adv-grid, .hot-grid, .metrics-grid, .assu-grid, .process-line, .partners-grid, .footer-grid, .case-wall { grid-template-columns: 1fr; }
      .metric-item { border-left: 0; padding-left: 0; border-top: 1px solid rgba(246,243,236,0.12); padding-top: 20px; }
      .matrix-list { grid-template-columns: 1fr; }
      .matrix-item:nth-child(odd), .matrix-item:nth-child(even) { padding-left: 0; padding-right: 0; border-right: 0; }
      .philosophy blockquote { padding: 24px; }
      .topbar { overflow-x: auto; }
    }
    @media (max-width: 520px) {
      .hero-title { font-size: 32px; }
      .logo-name { font-size: 18px; }
      .pause-hint { display: none; }
      .btn { width: 100%; }
      .hero-actions { width: 100%; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
      .hero-slide.is-active .hero-bg img, .philosophy-bg img { transform: none; }
      .fade-up { opacity: 1; transform: none; }
    }

/* roulang page: index */
:root {
      --paper: #F4F0E6;
      --paper-2: #EBE6DA;
      --ink: #1A1714;
      --ink-deep: #161410;
      --ink-panel: #1C1915;
      --cinnabar: #9C3D32;
      --cinnabar-dark: #7E3128;
      --bronze: #8A6A45;
      --text: #3F3A34;
      --muted: #7A7368;
      --line: #DDD6C8;
      --cream: #FBF8F1;
      --radius: 3px;
      --shadow: 0 8px 30px rgba(22, 20, 16, .06);
      --shadow-line: 0 1px 0 rgba(26, 23, 20, .08);
      --container: 1240px;
      --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
      --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --ease: cubic-bezier(.22, .61, .36, 1);
      --header-main: 72px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 84px; }
    body {
      margin: 0;
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background: var(--paper);
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; color: inherit; }
    button { cursor: pointer; background: none; border: none; }
    h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 700; color: var(--ink); letter-spacing: -.02em; line-height: 1.25; margin: 0; }
    p { margin: 0 0 1.1em; }
    p:last-child { margin-bottom: 0; }
    ul, ol { margin: 0; padding: 0; }
    :focus-visible { outline: 2px solid var(--cinnabar); outline-offset: 2px; }
    .skip {
      position: absolute; left: 16px; top: -48px; z-index: 200;
      background: var(--cinnabar); color: var(--cream); padding: 8px 16px;
    }
    .skip:focus { top: 12px; }
    .container { width: min(100% - 48px, var(--container)); margin-inline: auto; }
    .kicker {
      display: inline-block; font-size: 12px; font-weight: 500; letter-spacing: .16em;
      text-transform: uppercase; color: var(--cinnabar); margin-bottom: 12px;
    }
    .kicker.light { color: #E7C9C3; }
    .section { padding: 108px 0; }
    .section-head { max-width: 68ch; margin-bottom: 48px; }
    .section-head h2 { font-size: clamp(26px, 3vw, 34px); margin-bottom: 16px; }
    .section-head p { color: var(--text); font-size: 16px; line-height: 1.8; }
    .bg-alt { background: var(--paper-2); }
    .num {
      font-family: var(--font-serif); color: var(--cinnabar); font-weight: 600;
      letter-spacing: .08em; font-size: 13px;
    }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 48px; min-width: 44px; padding: 0 32px; border-radius: var(--radius);
      font-size: 15px; font-weight: 500; letter-spacing: .06em; border: 1px solid transparent;
      transition: transform .2s var(--ease), background .2s, color .2s, border-color .2s, opacity .2s;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn:active { transform: translateY(0); }
    .btn[disabled] { opacity: .45; pointer-events: none; }
    .btn-primary { background: var(--cinnabar); color: var(--cream); }
    .btn-primary:hover { background: var(--ink); }
    .btn-ink { background: var(--ink); color: var(--cream); }
    .btn-ink:hover { background: var(--cinnabar); }
    .btn-ghost { background: transparent; border-color: var(--bronze); color: var(--ink); }
    .btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
    .btn-ghost-light { background: transparent; border-color: rgba(251, 248, 241, .55); color: var(--cream); }
    .btn-ghost-light:hover { border-color: var(--cream); background: rgba(251, 248, 241, .08); }
    .text-link {
      display: inline-flex; align-items: center; gap: 6px; color: var(--cinnabar);
      font-weight: 500; border-bottom: 1px solid transparent; padding-bottom: 2px;
      min-height: 44px;
    }
    .text-link:hover { border-bottom-color: var(--cinnabar); }
    .site-header { position: fixed; inset: 0 0 auto 0; z-index: 80; }
    .header-top {
      background: var(--ink-deep); color: #D8D0C4; font-size: 13px;
      min-height: 40px; display: flex; align-items: center;
      transition: transform .35s var(--ease), opacity .35s;
    }
    .header-top-inner {
      width: min(100% - 48px, var(--container)); margin: 0 auto;
      display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 8px 0;
    }
    .header-top a { color: #EDE6D8; }
    .header-top a:hover { color: #fff; }
    .header-top-left, .header-top-right { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
    .header-main {
      min-height: var(--header-main); display: flex; align-items: center;
      background: transparent; color: var(--cream); transition: background .3s, color .3s, box-shadow .3s;
    }
    .header-main-inner {
      width: min(100% - 48px, var(--container)); margin: 0 auto;
      display: flex; align-items: center; gap: 28px;
    }
    .logo { display: flex; align-items: center; gap: 12px; color: inherit; flex-shrink: 0; }
    .logo-seal {
      width: 42px; height: 42px; border: 1px solid currentColor; display: grid; place-items: center;
      font-family: var(--font-serif); font-size: 18px; position: relative;
    }
    .logo-seal::after {
      content: ""; position: absolute; inset: 4px; border: 1px solid currentColor; opacity: .45;
    }
    .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-brand { font-size: 11px; letter-spacing: .18em; opacity: .78; font-weight: 500; }
    .logo-name { font-family: var(--font-serif); font-size: 16px; font-weight: 700; letter-spacing: .04em; }
    .nav-desk { display: flex; gap: 4px; margin-left: auto; align-items: center; }
    .nav-desk a {
      position: relative; padding: 10px 10px; font-size: 14px; min-height: 44px;
      display: inline-flex; align-items: center; color: inherit; opacity: .88;
    }
    .nav-desk a:hover, .nav-desk a.is-current { opacity: 1; }
    .nav-desk a.is-current::after, .nav-desk a:hover::after {
      content: ""; position: absolute; left: 10px; right: 10px; bottom: 6px; height: 2px; background: var(--cinnabar);
    }
    .header-cta { margin-left: 12px; flex-shrink: 0; }
    .nav-toggle {
      display: none; width: 44px; height: 44px; margin-left: auto; position: relative;
    }
    .nav-toggle span {
      position: absolute; left: 11px; right: 11px; height: 1.5px; background: currentColor; transition: .25s;
    }
    .nav-toggle span:nth-child(1) { top: 15px; }
    .nav-toggle span:nth-child(2) { top: 21px; }
    .nav-toggle span:nth-child(3) { top: 27px; }
    .nav-toggle.is-open span:nth-child(1) { top: 21px; transform: rotate(45deg); }
    .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
    .nav-toggle.is-open span:nth-child(3) { top: 21px; transform: rotate(-45deg); }
    .site-header.is-scrolled .header-top { transform: translateY(-100%); opacity: 0; pointer-events: none; }
    .site-header.is-scrolled .header-main {
      background: rgba(244, 240, 230, .96); color: var(--ink);
      box-shadow: var(--shadow-line); backdrop-filter: blur(8px);
    }
    .drawer-mask {
      position: fixed; inset: 0; background: rgba(22, 20, 16, .46); z-index: 90;
      opacity: 0; pointer-events: none; transition: opacity .3s;
    }
    .drawer-mask.is-open { opacity: 1; pointer-events: auto; }
    .drawer {
      position: fixed; top: 0; right: 0; bottom: 0; width: min(86vw, 400px); z-index: 100;
      background: var(--paper); color: var(--ink); transform: translateX(100%);
      transition: transform .4s var(--ease); display: flex; flex-direction: column; padding: 28px 28px 32px;
    }
    .drawer.is-open { transform: none; }
    .drawer nav { display: flex; flex-direction: column; gap: 4px; margin-top: 36px; }
    .drawer nav a {
      font-family: var(--font-serif); font-size: 26px; padding: 12px 0; border-bottom: 1px solid var(--line);
      min-height: 52px;
    }
    .drawer-foot { margin-top: auto; display: flex; flex-direction: column; gap: 10px; color: var(--muted); font-size: 14px; }
    .hero {
      position: relative; min-height: 100vh; color: var(--cream); display: flex; align-items: stretch;
      background: var(--ink-deep);
    }
    .hero-slides { position: absolute; inset: 0; }
    .slide {
      position: absolute; inset: 0; opacity: 0; transition: opacity 1.1s ease;
      pointer-events: none;
    }
    .slide.is-active { opacity: 1; pointer-events: auto; z-index: 1; }
    .slide-bg {
      position: absolute; inset: 0; background-size: cover; background-position: center;
      transform: scale(1); animation: ken 18s ease-in-out infinite alternate;
    }
    .slide-bg::after {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(22, 20, 16, .78) 0%, rgba(22, 20, 16, .52) 48%, rgba(22, 20, 16, .28) 100%);
    }
    .hero.is-paused .slide-bg { animation-play-state: paused; }
    @keyframes ken {
      from { transform: scale(1); }
      to { transform: scale(1.07); }
    }
    .hero-foreground {
      position: relative; z-index: 2; width: min(100% - 48px, var(--container));
      margin: 0 auto; padding: 148px 0 88px;
      display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .72fr);
      gap: 48px; align-items: end; min-height: 100vh;
    }
    .hero-copy { max-width: 680px; }
    .hero-copy h1, .frame-title {
      font-family: var(--font-serif); font-size: clamp(32px, 5vw, 54px); font-weight: 700;
      letter-spacing: -.03em; line-height: 1.18; color: var(--cream); margin: 0 0 20px;
    }
    .hero-lead { font-size: 16px; line-height: 1.85; max-width: 62ch; color: #E8E0D4; margin-bottom: 28px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-demo {
      background: rgba(251, 248, 241, .94); color: var(--ink); padding: 28px 26px 24px;
      border-radius: 2px; box-shadow: var(--shadow); position: relative;
    }
    .hero-demo::before {
      content: ""; position: absolute; top: 16px; right: 16px; width: 54px; height: 54px;
      border: 1px solid rgba(156, 61, 50, .35); border-radius: 50%; opacity: .7;
    }
    .hero-demo h3 { font-size: 18px; margin-bottom: 8px; }
    .hero-demo p { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
    .check-list { list-style: none; }
    .check-list li {
      display: flex; justify-content: space-between; gap: 12px; padding: 10px 0;
      border-bottom: 1px solid var(--line); font-size: 14px;
    }
    .check-list li span:last-child { color: var(--bronze); font-size: 12px; letter-spacing: .08em; }
    .hero-controls {
      position: absolute; z-index: 3; left: 0; right: 0; bottom: 28px;
      width: min(100% - 48px, var(--container)); margin: 0 auto;
      display: flex; align-items: center; gap: 16px;
    }
    .hero-arrows { display: flex; gap: 8px; }
    .icon-btn {
      width: 44px; height: 44px; border: 1px solid rgba(251, 248, 241, .4); color: var(--cream);
      display: grid; place-items: center; border-radius: 2px;
    }
    .icon-btn:hover { background: rgba(251, 248, 241, .1); }
    .hero-dots { display: flex; gap: 8px; align-items: center; margin-left: 8px; }
    .hero-dots button {
      width: 28px; height: 2px; background: rgba(251, 248, 241, .35); min-height: 44px;
      position: relative;
    }
    .hero-dots button::after {
      content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 2px; background: inherit;
    }
    .hero-dots button.is-active { background: var(--cinnabar); width: 42px; }
    .pause-btn { margin-left: auto; color: #E8E0D4; font-size: 13px; min-height: 44px; letter-spacing: .08em; }
    .trust { padding: 0; background: var(--paper); border-bottom: 1px solid var(--line); }
    .trust-row {
      display: grid; grid-template-columns: repeat(5, 1fr); width: min(100% - 48px, var(--container));
      margin: 0 auto;
    }
    .trust-item {
      padding: 22px 18px; border-right: 1px solid var(--line); font-size: 13px; color: var(--text);
      display: flex; gap: 10px; align-items: flex-start;
    }
    .trust-item:last-child { border-right: 0; }
    .trust-item strong { display: block; font-family: var(--font-serif); font-size: 15px; color: var(--ink); font-weight: 700; }
    .trust-mark {
      flex-shrink: 0; width: 28px; height: 28px; border: 1px solid var(--bronze); color: var(--bronze);
      display: grid; place-items: center; font-size: 12px; font-family: var(--font-serif);
    }
    .intro-grid {
      display: grid; grid-template-columns: 1.05fr .95fr; gap: 72px; align-items: center;
    }
    .intro-copy { max-width: 62ch; }
    .intro-copy h2 { font-size: clamp(28px, 3.2vw, 36px); margin-bottom: 20px; }
    .intro-copy p { margin-bottom: 18px; }
    .verify-box {
      margin-top: 28px; padding: 20px 22px; border: 1px solid var(--line); background: var(--cream);
      display: grid; gap: 8px; font-size: 14px;
    }
    .verify-box strong { font-family: var(--font-serif); color: var(--ink); }
    .intro-visual { position: relative; }
    .intro-visual img { width: 100%; aspect-ratio: 4/5; object-fit: cover; filter: saturate(.92); }
    .intro-caption {
      position: absolute; left: -24px; bottom: 28px; background: var(--ink); color: var(--cream);
      padding: 14px 18px; font-size: 13px; max-width: 240px;
    }
    .stamp {
      position: absolute; top: -18px; right: 18px; width: 72px; height: 72px; border: 2px solid rgba(156, 61, 50, .45);
      border-radius: 50%; color: var(--cinnabar); display: grid; place-items: center;
      font-family: var(--font-serif); font-size: 20px; transform: rotate(-12deg); background: rgba(244, 240, 230, .75);
    }
    .service-layout { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: start; }
    .service-index { display: flex; flex-direction: column; border-top: 1px solid var(--line); position: sticky; top: 96px; }
    .service-index button {
      text-align: left; padding: 16px 8px 16px 0; border-bottom: 1px solid var(--line);
      font-family: var(--font-serif); font-size: 18px; color: var(--muted); min-height: 56px;
      display: flex; justify-content: space-between; gap: 12px;
    }
    .service-index button.is-active { color: var(--ink); }
    .service-index button.is-active::after { content: ""; width: 28px; height: 1px; background: var(--cinnabar); margin-top: 12px; }
    .service-panel { display: none; min-height: 360px; }
    .service-panel.is-active { display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px; }
    .service-panel h3 { font-size: 28px; margin: 8px 0 16px; }
    .service-panel p { max-width: 58ch; }
    .tag { display: inline-block; font-size: 11px; letter-spacing: .14em; color: var(--bronze); border: 1px solid var(--bronze); padding: 3px 8px; margin-bottom: 10px; }
    .scene-box { background: var(--cream); border: 1px solid var(--line); padding: 24px; }
    .scene-box h4 { font-size: 16px; margin-bottom: 12px; }
    .scene-box ul { list-style: none; }
    .scene-box li { padding: 8px 0 8px 16px; position: relative; font-size: 14px; border-bottom: 1px solid var(--line); }
    .scene-box li::before { content: ""; width: 6px; height: 1px; background: var(--cinnabar); position: absolute; left: 0; top: 1.15em; }
    .adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .adv-card {
      border: 1px solid var(--line); background: var(--cream); padding: 28px 24px 24px;
      min-height: 220px; transition: transform .25s var(--ease), border-color .25s, box-shadow .25s;
    }
    .adv-card:hover { transform: translateY(-4px); border-bottom: 2px solid var(--cinnabar); box-shadow: var(--shadow); }
    .adv-card h3 { font-size: 20px; margin: 12px 0 10px; }
    .adv-card p { font-size: 14px; color: var(--text); }
    .specialty-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 18px; }
    .spec-card {
      position: relative; min-height: 460px; overflow: hidden; color: var(--cream); display: flex; align-items: flex-end;
    }
    .spec-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .spec-card::after {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(180deg, rgba(22, 20, 16, .1) 20%, rgba(22, 20, 16, .82) 100%);
    }
    .spec-body { position: relative; z-index: 1; padding: 28px 24px; }
    .spec-body .num { color: #E7C9C3; font-size: 22px; }
    .spec-body h3 { color: var(--cream); font-size: 24px; margin: 8px 0 10px; }
    .spec-body p { color: #E8E0D4; font-size: 14px; margin-bottom: 16px; }
    .spec-card:hover img { transform: scale(1.04); transition: transform 1s var(--ease); }
    .process-track { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
    .process-track::before {
      content: ""; position: absolute; top: 18px; left: 8%; right: 8%; height: 1px; background: var(--line);
    }
    .step { padding: 0 14px 0 0; }
    .step-index {
      width: 36px; height: 36px; border: 1px solid var(--ink); background: var(--paper);
      display: grid; place-items: center; font-family: var(--font-serif); position: relative; z-index: 1; margin-bottom: 16px;
    }
    .step h3 { font-size: 18px; margin-bottom: 8px; }
    .step p { font-size: 14px; color: var(--text); max-width: 28ch; }
    .philosophy {
      background: var(--ink-deep) center/cover no-repeat; color: var(--cream); position: relative;
    }
    .philosophy::before {
      content: ""; position: absolute; inset: 0; background: rgba(22, 20, 16, .82);
    }
    .philosophy .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: end; }
    .philosophy h2 { color: var(--cream); font-size: clamp(32px, 4.2vw, 52px); max-width: 12em; }
    .philo-no { font-family: var(--font-serif); color: var(--cinnabar); font-size: 14px; letter-spacing: .2em; margin-bottom: 18px; }
    .method { border-top: 1px solid rgba(221, 214, 200, .25); padding: 22px 0; display: grid; grid-template-columns: 48px 1fr; gap: 12px; }
    .method strong { color: var(--cream); font-family: var(--font-serif); display: block; margin-bottom: 6px; font-size: 18px; }
    .method p { color: #D8D0C4; font-size: 15px; }
    .case-wall { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
    .case-item {
      position: relative; min-height: 240px; overflow: hidden; color: var(--cream); display: flex; align-items: flex-end;
      background: var(--ink-panel);
    }
    .case-item:nth-child(1) { grid-column: span 8; min-height: 340px; }
    .case-item:nth-child(2) { grid-column: span 4; }
    .case-item:nth-child(3) { grid-column: span 4; }
    .case-item:nth-child(4) { grid-column: span 8; }
    .case-item:nth-child(5) { grid-column: span 5; }
    .case-item:nth-child(6) { grid-column: span 7; }
    .case-item img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .55; }
    .case-item:hover img { opacity: .7; transform: scale(1.03); transition: 0.8s; }
    .case-body { position: relative; z-index: 1; padding: 24px; }
    .case-body h3 { color: var(--cream); font-size: 22px; margin: 6px 0 8px; }
    .case-body p { font-size: 14px; color: #E8E0D4; }
    .scene-layout { display: grid; grid-template-columns: 320px 1fr; gap: 48px; }
    .rank-list { list-style: none; border-top: 1px solid var(--line); }
    .rank-list li {
      display: grid; grid-template-columns: 42px 1fr; gap: 10px; padding: 14px 0;
      border-bottom: 1px solid var(--line); font-size: 15px;
    }
    .rank-list .n { font-family: var(--font-serif); color: var(--cinnabar); }
    .scene-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .scene-card { border: 1px solid var(--line); padding: 22px 22px 18px; background: var(--cream); }
    .scene-card h3 { font-size: 18px; margin-bottom: 8px; }
    .scene-card p, .scene-card li { font-size: 14px; }
    .scene-card ul { list-style: none; margin-top: 10px; }
    .scene-card li { padding: 4px 0 4px 14px; position: relative; }
    .scene-card li::before { content: "—"; position: absolute; left: 0; color: var(--bronze); }
    .stories-grid { display: grid; grid-template-columns: 1.2fr .9fr .9fr; gap: 24px; }
    .story {
      padding: 32px 28px; background: var(--cream); border-left: 2px solid var(--cinnabar);
      min-height: 280px; display: flex; flex-direction: column;
    }
    .story blockquote { font-family: var(--font-serif); font-size: 18px; line-height: 1.7; color: var(--ink); margin: 0 0 auto; }
    .story footer { margin-top: 24px; font-size: 13px; color: var(--muted); }
    .story footer strong { display: block; color: var(--ink); font-weight: 600; }
    .stats {
      background: var(--ink-panel); color: var(--cream); padding: 64px 0;
    }
    .stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .stat { border-left: 1px solid rgba(221, 214, 200, .2); padding-left: 22px; }
    .stat b {
      display: block; font-family: var(--font-serif); font-size: clamp(36px, 4vw, 52px); font-weight: 600;
      color: #D9B48A; letter-spacing: -.03em; line-height: 1;
    }
    .stat span { display: block; margin-top: 10px; color: #D8D0C4; font-size: 14px; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .review {
      padding: 26px 24px; background: var(--cream); border-left: 3px solid var(--cinnabar);
      box-shadow: var(--shadow-line);
    }
    .review p { font-size: 15px; }
    .review .who { margin-top: 18px; font-size: 13px; color: var(--muted); }
    .review .who strong { color: var(--ink); display: block; }
    .partner-wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .partner-item {
      border: 1px solid var(--line); padding: 26px 18px; text-align: center; background: var(--cream);
      font-family: var(--font-serif); font-size: 16px; color: var(--ink); transition: transform .2s, border-color .2s;
    }
    .partner-item:hover { transform: translateY(-3px); border-color: var(--bronze); }
    .partner-item small { display: block; margin-top: 6px; font-family: var(--font-sans); font-size: 12px; color: var(--muted); letter-spacing: .08em; }
    .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .news-card { background: var(--cream); border: 1px solid var(--line); display: flex; flex-direction: column; }
    .news-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .news-card .body { padding: 16px 16px 18px; }
    .news-card time { color: var(--bronze); font-size: 12px; letter-spacing: .08em; }
    .news-card h3 { font-size: 17px; margin: 8px 0 10px; }
    .news-card p { font-size: 14px; }
    .news-more { margin-top: 28px; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-q {
      width: 100%; text-align: left; display: flex; justify-content: space-between; gap: 16px;
      padding: 18px 0; font-family: var(--font-serif); font-size: 18px; font-weight: 600; color: var(--ink);
      min-height: 56px; align-items: center;
    }
    .faq-q .arrow { width: 12px; height: 12px; border-right: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); transform: rotate(45deg); transition: transform .2s; flex-shrink: 0; }
    .faq-item.is-open .faq-q .arrow { transform: rotate(-135deg); }
    .faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .2s ease; }
    .faq-item.is-open .faq-a { grid-template-rows: 1fr; }
    .faq-a-inner { overflow: hidden; }
    .faq-a-inner p { padding: 0 0 20px; font-size: 15px; max-width: 72ch; color: var(--text); }
    .assurance { background: var(--ink); color: var(--cream); padding: 22px 0; }
    .assurance-row { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
    .ass-item { display: flex; align-items: center; gap: 10px; font-size: 14px; min-height: 44px; }
    .ass-ico {
      width: 32px; height: 32px; border: 1px solid var(--bronze); display: grid; place-items: center; color: #D9B48A;
    }
    .consult-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
    .consult-copy h2 { font-size: clamp(28px, 3vw, 36px); margin-bottom: 16px; }
    .consult-copy p { max-width: 54ch; margin-bottom: 16px; }
    .contact-meta { list-style: none; margin-top: 24px; }
    .contact-meta li { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
    .contact-meta span { display: block; color: var(--muted); font-size: 12px; letter-spacing: .1em; }
    .form-card { background: var(--cream); border: 1px solid var(--line); padding: 32px 28px; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { font-size: 13px; color: var(--ink); font-weight: 500; }
    .field input, .field select, .field textarea {
      width: 100%; min-height: 48px; border: 1px solid var(--line); background: var(--paper);
      border-radius: 2px; padding: 0 12px;
    }
    .field textarea { min-height: 120px; padding: 12px; resize: vertical; }
    .field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
      border-color: var(--ink);
    }
    .field-error { color: var(--cinnabar); font-size: 12px; min-height: 16px; }
    .form-note { font-size: 12px; color: var(--muted); margin: 8px 0 16px; }
    .form-success { display: none; padding: 24px 0; }
    .consult-form.is-success .form-grid, .consult-form.is-success .form-note, .consult-form.is-success .btn { display: none; }
    .consult-form.is-success .form-success { display: block; }
    .form-success h3 { margin-bottom: 8px; }
    .site-footer { background: var(--ink-deep); color: #C9C1B4; padding: 64px 0 28px; font-size: 14px; }
    .footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 40px; }
    .footer-brand .logo-name, .footer-brand .logo { color: var(--cream); margin-bottom: 14px; }
    .footer-grid h3 { color: var(--cream); font-size: 15px; margin-bottom: 14px; letter-spacing: .08em; }
    .footer-grid a { display: inline-block; padding: 4px 0; min-height: 36px; color: #C9C1B4; }
    .footer-grid a:hover { color: var(--cream); }
    .footer-bottom {
      border-top: 1px solid rgba(221, 214, 200, .15); padding-top: 18px;
      display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 12px;
    }
    .reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s var(--ease), transform .65s var(--ease); }
    .reveal.is-in { opacity: 1; transform: none; }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      .reveal { opacity: 1; transform: none; transition: none; }
      .slide-bg, .slide { animation: none; transition: none; }
    }
    @media (max-width: 1280px) {
      .hero-copy h1, .frame-title { font-size: 42px; }
      .specialty-grid { grid-template-columns: 1fr 1fr 1fr; }
    }
    @media (max-width: 1024px) {
      .nav-desk, .header-cta { display: none; }
      .nav-toggle { display: block; }
      .hero-foreground { grid-template-columns: 1fr; padding: 132px 0 100px; min-height: 78vh; }
      .hero-demo { max-width: 520px; }
      .intro-grid, .service-layout, .service-panel.is-active, .philosophy .container, .scene-layout, .consult-wrap, .footer-grid {
        grid-template-columns: 1fr;
      }
      .service-index { position: static; flex-direction: row; overflow-x: auto; gap: 0; }
      .service-index button { white-space: nowrap; padding: 12px 16px 12px 0; }
      .adv-grid, .stories-grid, .review-grid, .news-grid, .partner-wall { grid-template-columns: repeat(2, 1fr); }
      .specialty-grid { grid-template-columns: 1fr; }
      .spec-card { min-height: 320px; }
      .process-track { grid-template-columns: 1fr; gap: 22px; }
      .process-track::before { display: none; }
      .trust-row { grid-template-columns: 1fr 1fr; }
      .case-item, .case-item:nth-child(n) { grid-column: span 6; min-height: 240px; }
      .stats-row { grid-template-columns: 1fr 1fr; gap: 28px; }
    }
    @media (max-width: 768px) {
      .container, .header-top-inner, .header-main-inner, .hero-foreground, .hero-controls, .trust-row { width: min(100% - 32px, var(--container)); }
      .section { padding: 64px 0; }
      .header-top-right .hours { display: none; }
      .trust-row { grid-template-columns: 1fr; }
      .trust-item { border-right: 0; border-bottom: 1px solid var(--line); }
      .intro-caption { left: 12px; }
      .adv-grid, .stories-grid, .review-grid, .news-grid, .partner-wall, .scene-cards, .form-grid, .stats-row {
        grid-template-columns: 1fr;
      }
      .case-wall { grid-template-columns: 1fr; }
      .case-item, .case-item:nth-child(n) { grid-column: auto; }
      .hero { min-height: 70vh; }
      .hero-copy h1, .frame-title { font-size: 30px; }
      .hero-arrows { display: none; }
      .assurance-row { flex-direction: column; }
      .footer-bottom { flex-direction: column; }
    }
    @media (max-width: 520px) {
      .hero-lead { font-size: 15px; }
      .btn { width: 100%; }
      .hero-actions { flex-direction: column; }
      .logo-name { font-size: 14px; }
      .philosophy h2 { font-size: 28px; }
    }