/* roulang page: index */
:root {
      --paper: #F4F0E8;
      --paper-2: #E8E2D6;
      --paper-3: #DDD6C8;
      --ink: #141414;
      --ink-soft: #3A3835;
      --ink-mute: #6A655E;
      --seal: #8E2A22;
      --seal-deep: #6F1F1A;
      --seal-soft: rgba(142,42,34,.12);
      --slate: #5E6A70;
      --night: #161412;
      --night-text: #EDE6D9;
      --night-dim: #B7AFA3;
      --rule: rgba(20,20,20,.12);
      --rule-strong: rgba(20,20,20,.22);
      --white: #FCFAF6;
      --radius: 2px;
      --radius-card: 4px;
      --shadow-none: none;
      --space: 24px;
      --space-lg: 32px;
      --nav-h: 72px;
      --dock-h: 56px;
      --max: 1240px;
      --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", "Times New Roman", serif;
      --sans: "PingFang SC", "Noto Sans SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      --ease: cubic-bezier(.2,.7,.2,1);
    }
    *, *::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(--ink);
      background: var(--paper);
      background-image:
        radial-gradient(rgba(20,20,20,.035) 0.6px, transparent 0.7px),
        linear-gradient(180deg, var(--paper), var(--paper));
      background-size: 3px 3px, auto;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
      padding-bottom: calc(var(--dock-h) + env(safe-area-inset-bottom, 0px));
    }
    body.nav-open { overflow: hidden; }
    img { max-width: 100%; height: auto; display: block; vertical-align: middle; }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font-family: inherit; font-size: 16px; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3, h4 { font-family: var(--serif); font-weight: 700; letter-spacing: -0.02em; line-height: 1.25; color: var(--ink); margin: 0; }
    p { margin: 0 0 1em; }
    p:last-child { margin-bottom: 0; }
    ul, ol { margin: 0; padding: 0; }
    :focus-visible { outline: 2px solid var(--seal); outline-offset: 2px; }
    .skip {
      position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper);
      padding: 8px 14px; z-index: 400; border-radius: var(--radius);
    }
    .skip:focus { left: 8px; }
    .container { width: min(100% - 48px, var(--max)); margin: 0 auto; }
    @media (max-width: 768px) { .container { width: min(100% - 32px, var(--max)); } }

    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 0 22px; border-radius: var(--radius);
      font-size: 15px; font-weight: 600; letter-spacing: .04em; line-height: 1;
      transition: color .2s var(--ease), border-color .2s var(--ease), transform .15s var(--ease);
      position: relative; overflow: hidden; z-index: 0; white-space: nowrap;
    }
    .btn-primary {
      background: var(--seal); color: var(--paper);
    }
    .btn-primary::after {
      content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 0;
      background: var(--ink); z-index: -1; transition: height .2s var(--ease);
    }
    .btn-primary:hover::after, .btn-primary:focus-visible::after { height: 100%; }
    .btn-primary:active { transform: translateY(1px); }
    .btn-ghost {
      background: transparent; color: var(--paper); border: 1px solid rgba(237,230,217,.55);
    }
    .btn-ghost:hover { border-width: 2px; border-color: var(--paper); }
    .btn-line {
      background: transparent; color: var(--ink); border: 1px solid var(--ink);
    }
    .btn-line:hover { border-width: 2px; }
    .text-link {
      display: inline-flex; align-items: center; gap: 6px;
      color: var(--seal); font-weight: 600; font-size: 14px;
      background-image: linear-gradient(var(--seal), var(--seal));
      background-position: 0 100%; background-repeat: no-repeat; background-size: 0 1px;
      transition: background-size .28s var(--ease);
    }
    .text-link:hover { background-size: 100% 1px; }
    .kicker {
      display: flex; align-items: center; gap: 12px;
      font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
      color: var(--slate); font-weight: 600; margin-bottom: 14px;
    }
    .kicker::before {
      content: ""; width: 18px; height: 2px; background: var(--seal); display: block;
    }
    .section {
      padding: 110px 0;
      position: relative;
    }
    .section-head { max-width: 760px; margin-bottom: 48px; }
    .section-head h2 {
      font-size: clamp(26px, 3vw, 40px);
      margin-bottom: 16px;
      padding-left: 14px;
      border-left: 2px solid var(--seal);
    }
    .section-head p { color: var(--ink-soft); font-size: 16px; line-height: 1.8; }
    section[id] { scroll-margin-top: 88px; }
    #hero { scroll-margin-top: 0; }

    /* Header */
    .topbar {
      background: var(--night); color: var(--night-dim);
      font-size: 12px; letter-spacing: .08em; min-height: 34px;
      display: flex; align-items: center;
    }
    .topbar .container {
      display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; width: min(100% - 48px, var(--max));
    }
    .topbar-brand { justify-self: start; color: var(--night-text); }
    .topbar-hours { justify-self: center; }
    .topbar-tel { justify-self: end; color: var(--night-text); font-weight: 600; }
    .topbar-tel:hover { color: #fff; }
    .site-header {
      position: sticky; top: 0; z-index: 120;
      background: rgba(244,240,232,.92);
      backdrop-filter: saturate(1.2) blur(10px);
      border-bottom: 1px solid var(--rule);
    }
    .nav-main {
      display: flex; align-items: center; justify-content: space-between;
      min-height: var(--nav-h); gap: 20px;
    }
    .logo {
      display: flex; flex-direction: column; gap: 2px; flex: 0 0 auto;
    }
    .logo-mark {
      font-family: var(--serif); font-size: 22px; font-weight: 700; letter-spacing: .08em; color: var(--ink);
      line-height: 1;
    }
    .logo-sub { font-size: 11px; letter-spacing: .28em; color: var(--seal); font-weight: 600; }
    .nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
    .nav-links a {
      display: flex; align-items: center; min-height: 44px; padding: 0 12px;
      font-size: 14px; color: var(--ink-soft); position: relative; font-weight: 500;
    }
    .nav-links a::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 10px; height: 2px;
      background: var(--seal); transform: scaleX(0); transform-origin: left; transition: transform .22s var(--ease);
    }
    .nav-links a:hover, .nav-links a.is-active { color: var(--ink); }
    .nav-links a.is-active::after, .nav-links a:hover::after { transform: scaleX(1); }
    .nav-cta { flex: 0 0 auto; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; align-items: center; justify-content: center;
      border: 1px solid var(--rule-strong); border-radius: var(--radius);
    }
    .menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
      display: block; width: 18px; height: 1.5px; background: var(--ink); position: relative;
    }
    .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; }
    .drawer {
      position: fixed; inset: 0; background: var(--paper); z-index: 200;
      transform: translateX(100%); transition: transform .32s var(--ease);
      display: flex; flex-direction: column; padding: 24px 24px 32px;
    }
    .drawer.open { transform: translateX(0); }
    .drawer-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }
    .drawer-links { list-style: none; display: flex; flex-direction: column; gap: 4px; flex: 1; }
    .drawer-links a {
      display: flex; align-items: center; min-height: 52px;
      font-family: var(--serif); font-size: 28px; font-weight: 700; border-bottom: 1px solid var(--rule);
    }
    .drawer-foot { display: flex; flex-direction: column; gap: 12px; padding-top: 20px; }

    /* Hero */
    .hero {
      position: relative; min-height: 90vh; color: var(--night-text);
      overflow: hidden; background: var(--night);
    }
    @media (max-width: 768px) { .hero { min-height: 640px; } }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; transition: opacity 1s ease;
      pointer-events: none;
    }
    .hero-slide.is-on { opacity: 1; pointer-events: auto; z-index: 1; }
    .hero-bg {
      position: absolute; inset: -4%; background-size: cover; background-position: center;
      transform: scale(1.02);
    }
    .hero-slide.is-on .hero-bg { animation: kenburns 14s ease-out forwards; }
    .hero-mask {
      position: absolute; inset: 0;
      background:
        linear-gradient(90deg, rgba(22,20,18,.78) 0%, rgba(22,20,18,.48) 46%, rgba(22,20,18,.28) 100%),
        linear-gradient(180deg, rgba(22,20,18,.2) 0%, rgba(22,20,18,.55) 100%);
    }
    .hero-inner {
      position: relative; z-index: 2; min-height: 90vh;
      display: flex; flex-direction: column; justify-content: center;
      padding: 80px 0 90px;
    }
    @media (max-width: 768px) { .hero-inner { min-height: 640px; padding: 64px 0 80px; } }
    .hero h1, .hero .hero-title {
      font-family: var(--serif); font-weight: 700; letter-spacing: -0.02em;
      font-size: clamp(40px, 6vw, 68px); line-height: 1.18; color: var(--night-text);
      max-width: 16ch; margin-bottom: 22px;
    }
    .hero-lead {
      max-width: 42em; font-size: 16px; line-height: 1.85; color: var(--night-dim); margin-bottom: 18px;
    }
    .hero-note {
      font-size: 13px; color: #C9B8A4; letter-spacing: .06em; margin-bottom: 32px;
      border-left: 2px solid var(--seal); padding-left: 12px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-ctrl {
      position: absolute; z-index: 3; bottom: 28px; right: 6%;
      display: flex; align-items: center; gap: 10px;
    }
    .hero-arrow {
      width: 44px; height: 44px; border: 1px solid rgba(237,230,217,.35); color: var(--night-text);
      display: grid; place-items: center; border-radius: var(--radius);
    }
    .hero-arrow:hover { border-color: var(--night-text); }
    .hero-dots { display: flex; gap: 8px; }
    .hero-dots button {
      width: 28px; height: 3px; background: rgba(237,230,217,.28); border-radius: 0; min-height: 12px; padding: 8px 0;
      background-clip: content-box;
    }
    .hero-dots button.is-on { background-color: var(--seal); background-clip: content-box; }
    .seal-ring {
      position: absolute; right: 9%; bottom: 18%; width: 108px; height: 108px; z-index: 3;
      border: 1px solid rgba(142,42,34,.55); border-radius: 50%;
      display: grid; place-items: center; transform: rotate(-12deg); pointer-events: none;
    }
    .seal-ring span {
      width: 86px; height: 86px; border: 1px solid rgba(142,42,34,.8); border-radius: 50%;
      display: grid; place-items: center; color: rgba(237,230,217,.82);
      font-family: var(--serif); font-size: 15px; letter-spacing: .2em;
    }
    @keyframes kenburns {
      from { transform: scale(1.02) translate(0,0); }
      to { transform: scale(1.08) translate(-1.4%, -1%); }
    }

    /* Sell points */
    .sell { padding: 72px 0; border-bottom: 1px solid var(--rule); }
    .sell-grid {
      display: grid; grid-template-columns: repeat(3, 1fr);
    }
    .sell-item { padding: 8px 32px; border-right: 1px solid var(--rule); }
    .sell-item:first-child { padding-left: 0; }
    .sell-item:last-child { border-right: 0; padding-right: 0; }
    .sell-num {
      font-family: var(--serif); font-size: 42px; font-variant-numeric: tabular-nums;
      color: var(--seal); line-height: 1; margin-bottom: 12px;
    }
    .sell-item h3 { font-size: 22px; margin-bottom: 10px; font-weight: 700; }
    .sell-item p { color: var(--ink-soft); font-size: 15px; margin-bottom: 16px; }

    /* Intro */
    .intro-grid {
      display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center;
    }
    .intro-figure {
      position: relative; aspect-ratio: 4/5; overflow: hidden; border: 1px solid var(--rule-strong);
    }
    .intro-figure img { width: 100%; height: 100%; object-fit: cover; filter: contrast(1.04) saturate(.92); transition: filter .35s; }
    .intro-figure:hover img { filter: contrast(1.1) saturate(1); }
    .intro-caption {
      position: absolute; left: 0; right: 0; bottom: 0; padding: 14px 16px;
      background: linear-gradient(transparent, rgba(22,20,18,.72));
      color: var(--night-text); font-size: 12px; letter-spacing: .08em;
    }
    .check-box {
      margin: 22px 0 26px; padding: 18px 18px 18px 16px;
      border-left: 2px solid var(--seal); background: rgba(142,42,34,.05);
      font-size: 15px; color: var(--ink-soft);
    }
    .tag-wall { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
    .tag {
      display: inline-flex; align-items: center; min-height: 36px; padding: 0 12px;
      border: 1px solid var(--rule-strong); border-radius: 99px; font-size: 13px; color: var(--ink-soft);
      transition: border-color .2s, color .2s, transform .2s;
    }
    .tag:hover { border-color: var(--seal); color: var(--seal); transform: translateY(-1px); }

    /* Scenes */
    .scenes { background: var(--paper-2); }
    .scene-split { display: grid; grid-template-columns: 280px 1fr; gap: 0; border: 1px solid var(--rule-strong); background: var(--paper); }
    .scene-nav { list-style: none; border-right: 1px solid var(--rule); }
    .scene-nav button {
      width: 100%; text-align: left; padding: 18px 20px; min-height: 56px;
      border-bottom: 1px solid var(--rule); color: var(--ink-soft); font-size: 15px; font-weight: 600;
    }
    .scene-nav button.is-on { color: var(--ink); background: var(--white); box-shadow: inset 2px 0 0 var(--seal); }
    .scene-panel { display: none; padding: 36px 40px; }
    .scene-panel.is-on { display: block; }
    .scene-panel h3 { font-size: 24px; margin-bottom: 12px; }
    .scene-panel .scene-desc { color: var(--ink-soft); margin-bottom: 28px; font-size: 15px; }
    .timeline { display: grid; gap: 0; }
    .tl-item {
      display: grid; grid-template-columns: 92px 24px 1fr; gap: 12px; align-items: start;
    }
    .tl-step { font-family: var(--serif); color: var(--seal); font-size: 13px; letter-spacing: .12em; padding-top: 2px; }
    .tl-axis { position: relative; height: 100%; display: flex; justify-content: center; }
    .tl-axis::before {
      content: ""; position: absolute; top: 8px; bottom: -12px; width: 1px; background: var(--rule-strong);
    }
    .tl-item:last-child .tl-axis::before { display: none; }
    .tl-dot {
      width: 9px; height: 9px; border: 1px solid var(--seal); border-radius: 50%; background: var(--paper); margin-top: 6px; z-index: 1;
    }
    .tl-body h4 { font-size: 16px; font-family: var(--sans); font-weight: 700; margin-bottom: 4px; }
    .tl-body p { font-size: 14px; color: var(--ink-soft); margin-bottom: 18px; }

    /* Methods */
    .method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .method-card {
      padding: 28px 24px 22px; border: 1px solid var(--rule); background: var(--white);
      display: flex; flex-direction: column; min-height: 250px;
      transition: border-color .2s, transform .2s;
    }
    .method-card:hover { border-color: var(--ink); transform: translateY(-2px); }
    .method-card::before { content: ""; display: block; height: 2px; width: 28px; background: var(--seal); margin-bottom: 18px; }
    .method-card .mini { font-family: var(--serif); font-size: 12px; letter-spacing: .16em; color: var(--slate); margin-bottom: 8px; }
    .method-card h3 { font-size: 22px; margin-bottom: 12px; }
    .method-card p { font-size: 15px; color: var(--ink-soft); flex: 1; margin-bottom: 18px; }

    /* Topics */
    .topics-grid { display: grid; grid-template-columns: 1.35fr .9fr; gap: 18px; }
    .topic-big, .topic-sm {
      position: relative; overflow: hidden; border: 1px solid var(--rule-strong); background: var(--night); color: var(--night-text);
    }
    .topic-big { min-height: 420px; }
    .topic-side { display: grid; gap: 18px; }
    .topic-sm { min-height: 201px; }
    .topic-big img, .topic-sm img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; opacity: .48; transition: opacity .35s, filter .35s; }
    .topic-big:hover img, .topic-sm:hover img { opacity: .58; filter: contrast(1.08); }
    .topic-copy { position: relative; z-index: 1; padding: 28px; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; }
    .topic-copy h3 { color: var(--night-text); font-size: 26px; margin-bottom: 10px; }
    .topic-sm .topic-copy h3 { font-size: 20px; }
    .topic-copy p { color: var(--night-dim); font-size: 14px; }

    /* Cases */
    .cases {
      background: var(--night); color: var(--night-text); overflow: hidden;
      background-image: linear-gradient(180deg, rgba(22,20,18,.88), rgba(22,20,18,.92)), url("/assets/images/d72f339d2b7ddee2.jpg");
      background-size: cover; background-position: center;
    }
    .cases .kicker { color: #C9B8A4; }
    .cases h2 { color: var(--night-text); border-left-color: var(--seal); }
    .cases .section-head p { color: var(--night-dim); }
    .case-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
    .quote {
      font-family: var(--serif); font-size: clamp(26px, 3vw, 36px); line-height: 1.45; color: var(--night-text);
    }
    .quote::before { content: "「"; color: var(--seal); font-size: 1.2em; }
    .case-slice { border-top: 1px solid rgba(237,230,217,.14); padding: 20px 0; }
    .case-slice h3 { color: var(--night-text); font-size: 18px; margin-bottom: 8px; }
    .case-meta { font-size: 12px; letter-spacing: .14em; color: #C9B8A4; margin-bottom: 8px; }
    .case-slice p { color: var(--night-dim); font-size: 15px; }

    /* Compare */
    .compare-wrap { border: 1px solid var(--rule-strong); overflow: hidden; }
    .compare-row {
      display: grid; grid-template-columns: 180px 1fr 1fr; border-bottom: 1px solid var(--rule);
    }
    .compare-row:last-child { border-bottom: 0; }
    .compare-row:nth-child(even) { background: rgba(232,226,214,.45); }
    .compare-row.head { background: var(--ink); color: var(--paper); font-size: 13px; letter-spacing: .12em; }
    .compare-row > div { padding: 16px 20px; font-size: 15px; }
    .compare-row.head > div { font-size: 13px; }
    .dim { color: var(--ink-mute); }
    .strong-cell { color: var(--seal); font-weight: 700; }

    /* Stories */
    .story-card {
      display: grid; grid-template-columns: 4fr 6fr; gap: 0; border: 1px solid var(--rule-strong); background: var(--white);
      margin-bottom: 18px;
    }
    .story-card:last-child { margin-bottom: 0; }
    .story-media { min-height: 260px; overflow: hidden; }
    .story-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; filter: saturate(.9) contrast(1.04); }
    .story-body { padding: 36px 36px; }
    .badge {
      display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px;
      border: 1px solid var(--seal); color: var(--seal); font-size: 12px; letter-spacing: .08em; margin-bottom: 12px;
    }
    .story-body h3 { font-size: 24px; margin-bottom: 10px; }
    .story-dl { display: grid; grid-template-columns: 88px 1fr; gap: 8px 12px; font-size: 14px; color: var(--ink-soft); margin-top: 16px; }
    .story-dl dt { color: var(--slate); letter-spacing: .08em; font-size: 12px; padding-top: 3px; }

    /* Stats */
    .stats {
      background: var(--paper-2); padding: 64px 0; border-top: 2px solid var(--seal);
    }
    .stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
    .stat-item { text-align: left; padding: 8px 28px; border-right: 1px solid var(--rule); }
    .stat-item:last-child { border-right: 0; }
    .stat-num {
      font-family: var(--serif); font-size: clamp(36px, 4vw, 52px); font-variant-numeric: tabular-nums;
      color: var(--seal); line-height: 1; margin-bottom: 8px;
    }
    .stat-num span { font-size: .5em; margin-left: 2px; }
    .stat-item p { font-size: 14px; color: var(--ink-soft); }

    /* Reviews */
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: start; }
    .review-card {
      padding: 28px 24px; border: 1px solid var(--rule-strong); background: var(--white);
      min-height: 240px;
    }
    .review-card:nth-child(2) { transform: translateY(24px); }
    .review-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
    .chip { font-size: 11px; letter-spacing: .06em; padding: 4px 8px; background: var(--paper-2); color: var(--ink-soft); }
    .review-card p { font-size: 15px; color: var(--ink-soft); margin-bottom: 18px; }
    .review-who { font-size: 13px; color: var(--ink); font-weight: 600; }

    /* News */
    .news { background: var(--paper-2); }
    .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .news-card { background: var(--white); border: 1px solid var(--rule); display: flex; flex-direction: column; }
    .news-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .news-body { padding: 18px 16px 16px; display: flex; flex-direction: column; flex: 1; }
    .news-date { font-size: 12px; color: var(--slate); letter-spacing: .08em; margin-bottom: 8px; }
    .news-card h3 { font-size: 17px; margin-bottom: 10px; font-family: var(--serif); }
    .news-card p { font-size: 14px; color: var(--ink-soft); flex: 1; }

    /* FAQ */
    .faq-list { border-top: 1px solid var(--rule-strong); }
    .faq-item { border-bottom: 1px solid var(--rule-strong); }
    .faq-q {
      width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
      text-align: left; min-height: 64px; padding: 16px 0; font-size: 17px; font-weight: 700;
      font-family: var(--serif);
    }
    .faq-ico {
      width: 28px; height: 28px; flex: 0 0 28px; border: 1px solid var(--ink); position: relative;
    }
    .faq-ico::before, .faq-ico::after {
      content: ""; position: absolute; background: var(--ink); left: 50%; top: 50%;
    }
    .faq-ico::before { width: 12px; height: 1.5px; transform: translate(-50%, -50%); }
    .faq-ico::after { width: 1.5px; height: 12px; transform: translate(-50%, -50%); transition: opacity .2s; }
    .faq-item.open .faq-ico::after { opacity: 0; }
    .faq-a { display: none; padding: 0 48px 20px 0; color: var(--ink-soft); font-size: 15px; line-height: 1.8; }
    .faq-item.open .faq-a { display: block; }

    /* Promise */
    .promise-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--rule-strong); }
    .promise-item { padding: 28px 24px; border-right: 1px solid var(--rule); }
    .promise-item:last-child { border-right: 0; }
    .ico-geo {
      width: 36px; height: 36px; margin-bottom: 16px; border: 1px solid var(--seal);
      display: grid; place-items: center;
    }
    .ico-geo i { display: block; width: 12px; height: 12px; border: 1px solid var(--seal); }
    .promise-item h3 { font-size: 18px; margin-bottom: 8px; }
    .promise-item p { font-size: 14px; color: var(--ink-soft); }

    /* Assess / form */
    .assess { background: var(--paper-2); }
    .assess-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 48px; align-items: start; }
    .need-list { list-style: none; margin: 18px 0 0; }
    .need-list li {
      padding: 10px 0 10px 18px; border-bottom: 1px solid var(--rule); font-size: 15px; color: var(--ink-soft); position: relative;
    }
    .need-list li::before { content: ""; width: 6px; height: 1px; background: var(--seal); position: absolute; left: 0; top: 22px; }
    .form-card { background: var(--white); border: 1px solid var(--rule-strong); padding: 32px 28px; }
    .form-row { margin-bottom: 16px; }
    .form-row label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--ink-soft); letter-spacing: .06em; }
    .form-row input, .form-row select, .form-row textarea {
      width: 100%; border: 1px solid var(--rule-strong); background: var(--paper); color: var(--ink);
      padding: 12px 12px; border-radius: var(--radius); min-height: 46px;
    }
    .form-row textarea { min-height: 110px; resize: vertical; line-height: 1.6; }
    .form-row input:focus, .form-row select:focus, .form-row textarea:focus {
      outline: 2px solid var(--seal); outline-offset: 1px; background: #fff;
    }
    .checkline { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; color: var(--ink-soft); }
    .checkline input { margin-top: 4px; width: 16px; height: 16px; accent-color: var(--seal); }
    .form-msg { display: none; margin-top: 14px; padding: 12px 14px; font-size: 14px; border: 1px solid var(--rule); }
    .form-msg.ok { display: block; border-color: var(--seal); color: var(--seal-deep); background: var(--seal-soft); }
    .form-msg.err { display: block; border-color: var(--seal); color: var(--seal); }

    /* Footer */
    .site-footer { background: var(--night); color: var(--night-dim); padding: 64px 0 0; }
    .foot-grid { display: grid; grid-template-columns: 1.3fr .9fr 1.1fr; gap: 40px; padding-bottom: 40px; }
    .foot-brand .logo-mark { color: var(--night-text); }
    .foot-brand p { margin-top: 16px; font-size: 14px; max-width: 36em; }
    .foot-grid h4 { color: var(--night-text); font-size: 14px; letter-spacing: .18em; margin-bottom: 16px; font-family: var(--sans); font-weight: 600; }
    .foot-nav { list-style: none; display: grid; gap: 8px; }
    .foot-nav a { font-size: 14px; }
    .foot-nav a:hover { color: var(--night-text); }
    .foot-contact p { font-size: 14px; margin-bottom: 8px; }
    .foot-contact a { color: var(--night-text); }
    .foot-bottom {
      border-top: 1px solid rgba(237,230,217,.12); padding: 16px 0 20px;
      display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 12px;
    }

    /* Dock */
    .dock {
      position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
      background: var(--ink); color: var(--paper); min-height: var(--dock-h);
      display: flex; align-items: center;
      transform: translateY(0); transition: transform .28s var(--ease);
      padding-bottom: env(safe-area-inset-bottom, 0px);
    }
    .dock.hide { transform: translateY(110%); }
    .dock .container { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px; width: min(100% - 48px, var(--max)); }
    .dock-phone { color: var(--paper); font-weight: 700; letter-spacing: .04em; min-height: 44px; display: inline-flex; align-items: center; }
    .dock-mid { font-size: 13px; color: var(--paper-3); }
    .dock-actions { display: none; }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
      .hero-slide.is-on .hero-bg { animation: none; }
    }

    @media (max-width: 1280px) {
      .hero-ctrl { right: 24px; }
      .seal-ring { right: 24px; }
    }
    @media (max-width: 1024px) {
      .section { padding: 88px 0; }
      .intro-grid, .case-grid, .assess-grid, .topics-grid { grid-template-columns: 1fr; gap: 28px; }
      .intro-figure { aspect-ratio: 16/10; max-height: 420px; }
      .method-grid { grid-template-columns: 1fr 1fr; }
      .news-grid { grid-template-columns: 1fr 1fr; }
      .scene-split { grid-template-columns: 220px 1fr; }
      .compare-row { grid-template-columns: 140px 1fr 1fr; }
      .stat-grid { grid-template-columns: 1fr 1fr; gap: 24px 0; }
      .stat-item { border-right: 0; border-bottom: 1px solid var(--rule); padding: 12px 16px 20px; }
      .promise-grid { grid-template-columns: 1fr 1fr; }
      .promise-item { border-bottom: 1px solid var(--rule); }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .topic-big { min-height: 320px; }
      .nav-links a { padding: 0 8px; font-size: 13px; }
    }
    @media (max-width: 768px) {
      .topbar { display: none; }
      .menu-toggle { display: inline-flex; }
      .nav-links, .nav-cta { display: none; }
      .section { padding: 64px 0; }
      .sell-grid { grid-template-columns: 1fr; }
      .sell-item { padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--rule); }
      .scene-split { grid-template-columns: 1fr; }
      .scene-nav { display: none; }
      .scene-panel { display: none; padding: 0; border-bottom: 1px solid var(--rule); }
      .acc-scene { display: block; width: 100%; text-align: left; padding: 16px 4px; min-height: 48px; font-weight: 700; font-size: 16px; border-bottom: 1px solid var(--rule); }
      .acc-scene.is-on { color: var(--seal); }
      .scene-panel.is-on { display: block; padding: 8px 4px 20px; }
      .method-grid, .review-grid, .news-grid, .promise-grid { grid-template-columns: 1fr; }
      .review-card:nth-child(2) { transform: none; }
      .story-card { grid-template-columns: 1fr; }
      .compare-row, .compare-row.head { grid-template-columns: 1fr; }
      .compare-row > div { padding: 10px 14px; }
      .compare-row > div::before { display: block; font-size: 11px; letter-spacing: .1em; color: var(--slate); margin-bottom: 4px; }
      .seal-ring { display: none; }
      .hero-ctrl { left: 24px; right: auto; }
      .foot-grid { grid-template-columns: 1fr; gap: 28px; }
      .dock .container { display: none; }
      .dock-actions {
        display: grid; grid-template-columns: 1fr 1fr 1fr; width: 100%;
      }
      .dock-actions a, .dock-actions button {
        color: var(--paper); min-height: 56px; display: flex; flex-direction: column;
        align-items: center; justify-content: center; gap: 4px; font-size: 11px; letter-spacing: .06em;
      }
      .dock-actions svg { width: 18px; height: 18px; }
    }
    @media (max-width: 520px) {
      .hero h1, .hero .hero-title { font-size: 34px; }
      .hero-actions .btn { width: 100%; }
      .stat-grid { grid-template-columns: 1fr; }
      .form-card { padding: 22px 16px; }
    }

/* roulang page: index */
:root {
    --paper: #F4F0E8;
    --paper-2: #E8E2D6;
    --ink: #141414;
    --ink-soft: #3A3835;
    --seal: #8E2A22;
    --seal-deep: #6F1F1A;
    --slate: #5E6A70;
    --night: #161412;
    --night-text: #EDE6D9;
    --rule: rgba(20,20,20,.12);
    --rule-strong: rgba(20,20,20,.28);
    --shadow: 0 8px 28px rgba(20,20,18,.06);
    --radius: 2px;
    --radius-card: 4px;
    --container: 1240px;
    --nav-h: 72px;
    --dock-h: 58px;
    --font-serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", "SimSun", "serif";
    --font-sans: "PingFang SC", "Hiragino Sans SC", "Noto Sans SC", "Microsoft YaHei", "sans-serif";
    --space: 24px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
html.has-dock { padding-bottom: var(--dock-h); }
html.dock-off { padding-bottom: 0; }
body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 17px;
    line-height: 1.75;
    color: var(--ink);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
body.is-locked { overflow: hidden; height: 100vh; }
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; color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 700; letter-spacing: -0.02em; line-height: 1.28; color: var(--ink); margin: 0; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding: 0; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--seal); outline-offset: 2px; }
.skip {
    position: absolute; left: 12px; top: -48px; z-index: 400;
    background: var(--ink); color: var(--paper); padding: 8px 14px; font-size: 14px;
}
.skip:focus { top: 12px; }
.container { width: min(100% - 48px, var(--container)); margin-inline: auto; }
.eyebrow {
    display: flex; align-items: center; gap: 12px;
    font-size: 12px; letter-spacing: .18em; color: var(--slate);
    text-transform: uppercase; margin-bottom: 16px; font-weight: 500;
}
.eyebrow::before {
    content: ""; width: 18px; height: 2px; background: var(--seal); display: block;
}
.lead { font-size: 17px; color: var(--ink-soft); max-width: 720px; line-height: 1.8; }
.section { padding: 108px 0; position: relative; }
.section--alt { background: var(--paper-2); }
.section-head { margin-bottom: 48px; max-width: 760px; }
.section-head h2 {
    font-size: clamp(26px, 3vw, 40px);
    padding-left: 14px;
    border-left: 2px solid var(--seal);
}
.section-head .lead { margin-top: 18px; padding-left: 16px; }
.plain-link {
    color: var(--seal);
    background-image: linear-gradient(var(--seal), var(--seal));
    background-position: 0 100%;
    background-repeat: no-repeat;
    background-size: 0 1px;
    transition: background-size .2s ease;
    font-size: 14px; letter-spacing: .04em;
}
.plain-link:hover { background-size: 100% 1px; }
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 46px; padding: 0 22px; border-radius: var(--radius);
    font-size: 15px; letter-spacing: .06em; line-height: 1;
    transition: transform .15s ease, color .2s ease, border-color .2s ease, background .2s ease;
    white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
    position: relative; z-index: 0; overflow: hidden;
    background: var(--seal); color: var(--paper); border: 1px solid var(--seal);
}
.btn-primary::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 0;
    background: var(--ink); z-index: -1; transition: height .2s ease;
}
.btn-primary:hover::after { height: 100%; }
.btn-ghost {
    background: transparent; color: var(--night-text);
    border: 1px solid rgba(237,230,217,.55);
}
.btn-ghost:hover { background: rgba(237,230,217,.08); border-color: var(--night-text); }
.btn-line {
    background: transparent; color: var(--ink); border: 1px solid var(--ink);
}
.btn-line:hover { background: var(--ink); color: var(--paper); }
.grain {
    pointer-events: none; position: fixed; inset: 0; z-index: 80; opacity: .035;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(/%23n)' opacity='.55'/%3E%3C/svg%3E");
}

.topbar {
    background: var(--night); color: var(--night-text); font-size: 12px; letter-spacing: .08em;
    height: 34px; display: flex; align-items: center;
}
.topbar .container {
    display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px;
    width: min(100% - 48px, var(--container));
}
.topbar-brand { color: rgba(237,230,217,.82); }
.topbar-mid { text-align: center; color: rgba(237,230,217,.7); }
.topbar-tel { text-align: right; }
.topbar-tel a { color: var(--night-text); border-bottom: 1px solid rgba(142,42,34,.7); padding-bottom: 1px; }
.topbar-tel a:hover { color: #fff; }

.nav-main {
    background: rgba(244,240,232,.94);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--rule);
    position: sticky; top: 0; z-index: 120;
    height: var(--nav-h);
}
.nav-main .container {
    height: 100%;
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.logo { display: flex; align-items: baseline; gap: 10px; min-height: 44px; }
.logo-mark {
    font-family: var(--font-serif); font-weight: 700; font-size: 22px; letter-spacing: .08em; color: var(--ink);
}
.logo-sub {
    font-size: 13px; letter-spacing: .28em; color: var(--seal); font-weight: 600;
}
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
    position: relative; padding: 8px 12px; font-size: 14px; color: var(--ink-soft); min-height: 44px;
    display: inline-flex; align-items: center;
}
.nav-links a::after {
    content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px; height: 0;
    background: var(--seal); transition: height .15s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.is-active { color: var(--ink); font-weight: 600; }
.nav-links a.is-active::after { height: 2px; }
.nav-cta { display: flex; align-items: center; }
.menu-toggle {
    display: none; width: 44px; height: 44px; position: relative; border: 1px solid var(--rule);
    border-radius: var(--radius);
}
.menu-toggle span, .menu-toggle::before, .menu-toggle::after {
    content: ""; position: absolute; left: 12px; right: 12px; height: 1px; background: var(--ink);
    transition: .2s ease;
}
.menu-toggle span { top: 50%; margin-top: -.5px; }
.menu-toggle::before { top: 15px; }
.menu-toggle::after { bottom: 15px; }
.menu-toggle.is-open span { opacity: 0; }
.menu-toggle.is-open::before { top: 21px; transform: rotate(45deg); }
.menu-toggle.is-open::after { bottom: 21px; transform: rotate(-45deg); }

.drawer {
    position: fixed; inset: 0; background: var(--paper); z-index: 200;
    transform: translateX(100%); transition: transform .32s ease;
    display: flex; flex-direction: column; padding: 24px 28px 32px;
    visibility: hidden;
}
.drawer.is-open { transform: translateX(0); visibility: visible; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 36px; }
.drawer nav { display: flex; flex-direction: column; gap: 6px; }
.drawer nav a {
    font-family: var(--font-serif); font-size: 28px; padding: 10px 0; border-bottom: 1px solid var(--rule);
    min-height: 52px; display: flex; align-items: center;
}
.drawer-foot { margin-top: auto; display: grid; gap: 12px; }
.drawer-foot a.tel { font-size: 18px; letter-spacing: .04em; }

.hero {
    position: relative; min-height: 90vh; background: var(--night); color: var(--night-text);
    overflow: hidden;
}
.hero-slide {
    position: absolute; inset: 0; opacity: 0; pointer-events: none;
    transition: opacity .9s ease;
}
.hero-slide.is-active { opacity: 1; pointer-events: auto; z-index: 1; }
.hero-bg {
    width: 100%; height: 100%; object-fit: cover; transform: scale(1.02);
}
.hero-slide.is-active .hero-bg { animation: kenburns 16s ease-out forwards; }
.hero-mask {
    position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(22,20,18,.82) 0%, rgba(22,20,18,.55) 48%, rgba(22,20,18,.28) 100%);
}
.hero-copy {
    position: relative; z-index: 2; min-height: 90vh;
    display: flex; flex-direction: column; justify-content: center;
    padding: 96px 0 88px; max-width: 760px;
}
.hero h1, .hero-title {
    font-family: var(--font-serif); font-weight: 700; letter-spacing: -0.02em;
    font-size: clamp(40px, 6vw, 68px); line-height: 1.18; color: var(--night-text);
    margin: 0 0 18px; padding-left: 16px; border-left: 2px solid var(--seal);
}
.hero-sub {
    font-size: 18px; color: rgba(237,230,217,.92); margin: 0 0 14px; padding-left: 18px;
}
.hero-note {
    font-size: 15px; color: rgba(237,230,217,.72); margin: 0 0 22px; padding-left: 18px; max-width: 640px;
}
.hero-intro {
    font-size: 16px; line-height: 1.85; color: rgba(237,230,217,.84);
    max-width: 620px; margin: 0 0 32px; padding-left: 18px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; padding-left: 18px; }
.hero-ctrl {
    position: absolute; z-index: 3; top: 50%; transform: translateY(-50%);
    width: 44px; height: 44px; border: 1px solid rgba(237,230,217,.35); color: var(--night-text);
    border-radius: var(--radius); display: grid; place-items: center;
}
.hero-ctrl:hover { border-color: var(--night-text); }
.hero-prev { left: 18px; }
.hero-next { right: 18px; }
.hero-dots {
    position: absolute; z-index: 3; left: 50%; bottom: 28px; transform: translateX(-50%);
    display: flex; gap: 8px;
}
.hero-dots button {
    width: 28px; height: 3px; background: rgba(237,230,217,.3); border-radius: 0;
}
.hero-dots button.is-on { background: var(--seal); }
.seal-mark {
    position: absolute; z-index: 3; right: 8%; bottom: 14%;
    width: 92px; height: 92px; border: 2px solid rgba(142,42,34,.85); border-radius: 50%;
    color: rgba(142,42,34,.9); display: grid; place-items: center;
    font-family: var(--font-serif); font-size: 20px; letter-spacing: .2em;
    transform: rotate(-14deg); opacity: .88; pointer-events: none;
}
.seal-mark span { border: 1px solid rgba(142,42,34,.7); border-radius: 50%; width: 76px; height: 76px; display: grid; place-items: center; }

@keyframes kenburns {
    0% { transform: scale(1) translate(0,0); }
    100% { transform: scale(1.07) translate(-1.4%, -1%); }
}

.points { padding: 72px 0; border-bottom: 1px solid var(--rule); }
.point-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
}
.point {
    padding: 8px 36px; border-right: 1px solid var(--rule);
}
.point:first-child { padding-left: 0; }
.point:last-child { border-right: 0; padding-right: 0; }
.point-num {
    font-family: var(--font-serif); font-size: 42px; font-variant-numeric: tabular-nums;
    color: var(--seal); line-height: 1; margin-bottom: 14px;
}
.point h3 { font-size: 22px; font-weight: 650; margin-bottom: 10px; }
.point p { color: var(--ink-soft); font-size: 15px; margin-bottom: 16px; }

.intro-grid {
    display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center;
}
.intro-visual { position: relative; }
.intro-visual img {
    width: 100%; aspect-ratio: 4/5; object-fit: cover; border: 1px solid var(--rule);
    filter: contrast(1.02);
}
.intro-visual:hover img { filter: contrast(1.08); }
.intro-caption {
    position: absolute; left: 16px; bottom: 16px; background: var(--paper);
    border: 1px solid var(--rule); padding: 8px 12px; font-size: 12px; letter-spacing: .08em; color: var(--slate);
}
.intro-copy h2 { font-size: clamp(26px, 3vw, 38px); padding-left: 14px; border-left: 2px solid var(--seal); margin-bottom: 18px; }
.check-list { list-style: none; margin: 18px 0 22px; }
.check-list li {
    position: relative; padding: 8px 0 8px 18px; border-bottom: 1px solid var(--rule);
    color: var(--ink-soft); font-size: 15px;
}
.check-list li::before {
    content: ""; position: absolute; left: 0; top: 18px; width: 8px; height: 1px; background: var(--seal);
}
.tag-wall { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.tag {
    display: inline-flex; align-items: center; min-height: 34px; padding: 0 12px;
    border: 1px solid var(--rule-strong); font-size: 13px; color: var(--ink-soft);
    border-radius: var(--radius); transition: border-color .15s, transform .15s, color .15s;
}
.tag:hover { border-color: var(--seal); color: var(--seal); transform: translateY(-2px); }

.scene-grid {
    display: grid; grid-template-columns: 300px 1fr; gap: 0 48px; align-items: start;
}
.scene-tab {
    display: flex; align-items: center; justify-content: space-between;
    width: 100%; text-align: left; min-height: 56px; padding: 12px 4px;
    border-bottom: 1px solid var(--rule); font-size: 16px; color: var(--ink-soft);
}
.scene-tab.is-active { color: var(--ink); font-weight: 650; box-shadow: inset 3px 0 0 var(--seal); padding-left: 12px; }
.scene-tab small { font-size: 12px; color: var(--slate); letter-spacing: .12em; }
.scene-panel {
    border: 1px solid var(--rule); background: var(--paper); padding: 36px 40px;
    display: none; min-height: 420px;
}
.scene-panel.is-active { display: block; grid-column: 2; grid-row: 1 / span 6; }
.scene-tab { grid-column: 1; }
.scene-kicker { font-size: 12px; letter-spacing: .16em; color: var(--seal); margin-bottom: 8px; }
.scene-panel h3 { font-size: 28px; margin-bottom: 12px; }
.scene-panel .desc { color: var(--ink-soft); margin-bottom: 28px; max-width: 640px; }
.timeline { list-style: none; display: grid; gap: 0; }
.timeline li {
    display: grid; grid-template-columns: 92px 24px 1fr; gap: 8px; padding: 0 0 22px;
}
.timeline .t-step {
    font-family: var(--font-serif); font-size: 14px; color: var(--seal); padding-top: 2px;
}
.timeline .t-rail { position: relative; }
.timeline .t-rail::before {
    content: ""; position: absolute; left: 10px; top: 8px; bottom: -22px; width: 1px; background: var(--rule-strong);
}
.timeline li:last-child .t-rail::before { display: none; }
.timeline .t-rail::after {
    content: ""; position: absolute; left: 6px; top: 8px; width: 9px; height: 9px;
    border: 1px solid var(--seal); border-radius: 50%; background: var(--paper);
}
.timeline .t-body strong { display: block; margin-bottom: 4px; }
.timeline .t-body p { color: var(--ink-soft); font-size: 15px; }

.method-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.method {
    border: 1px solid var(--rule); background: var(--paper); padding: 28px 26px 22px;
    border-radius: var(--radius-card); border-top: 2px solid var(--ink);
    transition: border-color .15s, transform .15s;
}
.method:hover { border-color: var(--seal); transform: translateY(-2px); }
.method .m-k { font-family: var(--font-serif); font-size: 12px; letter-spacing: .16em; color: var(--slate); margin-bottom: 10px; }
.method h3 { font-size: 20px; margin-bottom: 12px; }
.method p { color: var(--ink-soft); font-size: 15px; margin-bottom: 18px; min-height: 4.8em; }

.topic-grid {
    display: grid; grid-template-columns: 1.35fr .9fr; grid-template-rows: 1fr 1fr; gap: 18px; min-height: 520px;
}
.topic {
    position: relative; overflow: hidden; border: 1px solid var(--rule); background: var(--night); color: var(--night-text);
    min-height: 240px;
}
.topic img { width: 100%; height: 100%; object-fit: cover; opacity: .55; position: absolute; inset: 0; transition: filter .3s, opacity .3s; }
.topic:hover img { opacity: .42; filter: contrast(1.08); }
.topic-body { position: relative; z-index: 1; padding: 28px; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; background: linear-gradient(180deg, transparent 20%, rgba(22,20,18,.78) 100%); }
.topic--lg { grid-row: 1 / span 2; min-height: 520px; }
.topic--lg .topic-body { padding: 40px; }
.topic h3 { font-size: 24px; color: var(--night-text); margin-bottom: 10px; }
.topic--lg h3 { font-size: clamp(26px, 2.4vw, 34px); }
.topic p { color: rgba(237,230,217,.82); font-size: 15px; max-width: 460px; }

.dark {
    background: var(--night); color: var(--night-text); position: relative; overflow: hidden;
}
.dark-bg {
    position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .18;
}
.dark .container { position: relative; z-index: 1; }
.dark-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
.quote {
    font-family: var(--font-serif); font-size: clamp(26px, 3vw, 36px); line-height: 1.45; color: var(--night-text);
}
.quote::before { content: "「"; color: var(--seal); display: block; font-size: 48px; line-height: 1; margin-bottom: 8px; }
.quote-foot { margin-top: 24px; color: rgba(237,230,217,.6); font-size: 13px; letter-spacing: .12em; }
.case-slice {
    border: 1px solid rgba(237,230,217,.16); padding: 22px 24px; margin-bottom: 14px;
}
.case-slice h3 { color: var(--night-text); font-size: 18px; margin-bottom: 8px; }
.case-slice p { color: rgba(237,230,217,.75); font-size: 15px; }
.case-meta { font-size: 12px; letter-spacing: .14em; color: #c4a39a; margin-bottom: 8px; }

.cmp { width: 100%; border-top: 1px solid var(--ink); }
.cmp-head, .cmp-row {
    display: grid; grid-template-columns: 1.1fr 1.4fr 1.4fr; gap: 0;
}
.cmp-head { background: var(--ink); color: var(--paper); font-size: 14px; letter-spacing: .08em; }
.cmp-head div, .cmp-row div { padding: 16px 18px; }
.cmp-row { border-bottom: 1px solid var(--rule); }
.cmp-row:nth-child(odd) { background: rgba(20,20,20,.03); }
.cmp-dim { font-weight: 650; }
.cmp-weak { color: var(--slate); }
.cmp-strong { color: var(--seal); font-weight: 600; }

.story-list { display: grid; gap: 28px; }
.story {
    display: grid; grid-template-columns: 4fr 6fr; border: 1px solid var(--rule); background: var(--paper);
    min-height: 280px;
}
.story img { width: 100%; height: 100%; object-fit: cover; min-height: 260px; }
.story-body { padding: 36px 40px; }
.story-tag {
    display: inline-flex; border: 1px solid var(--seal); color: var(--seal);
    font-size: 12px; letter-spacing: .1em; padding: 4px 10px; margin-bottom: 14px;
}
.story h3 { font-size: 24px; margin-bottom: 12px; }
.story dl { display: grid; grid-template-columns: 88px 1fr; gap: 8px 12px; font-size: 15px; color: var(--ink-soft); }
.story dt { color: var(--slate); }

.data-band {
    background: var(--paper-2); border-top: 2px solid var(--seal); padding: 56px 0;
}
.data-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.data-item { padding: 8px 18px; border-right: 1px solid var(--rule); }
.data-item:last-child { border-right: 0; }
.data-num {
    font-family: var(--font-serif); font-size: clamp(36px, 4vw, 52px); font-variant-numeric: tabular-nums;
    color: var(--seal); line-height: 1.1; margin-bottom: 8px;
}
.data-num span { font-size: .45em; margin-left: 4px; color: var(--ink); }
.data-item p { color: var(--ink-soft); font-size: 14px; }

.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: start; }
.review { border: 1px solid var(--rule); padding: 28px 26px; background: var(--paper); }
.review:nth-child(2) { margin-top: 24px; }
.review-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.review-tags span {
    font-size: 12px; border: 1px solid var(--rule-strong); padding: 3px 8px; color: var(--slate);
}
.review blockquote { margin: 0 0 18px; font-size: 16px; color: var(--ink-soft); font-family: var(--font-serif); line-height: 1.7; }
.review cite { font-style: normal; font-size: 13px; letter-spacing: .06em; color: var(--ink); }

.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.news {
    border: 1px solid var(--rule); background: var(--paper); display: flex; flex-direction: column;
    transition: transform .15s, border-color .15s;
}
.news:hover { transform: translateY(-2px); border-color: var(--rule-strong); }
.news img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.news-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.news time { font-size: 12px; color: var(--slate); letter-spacing: .08em; }
.news h3 { font-size: 17px; }
.news p { font-size: 14px; color: var(--ink-soft); }

.faq-list { border-top: 1px solid var(--ink); }
.faq-item { border-bottom: 1px solid var(--rule); }
.faq-q {
    width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
    text-align: left; min-height: 64px; padding: 16px 4px; font-size: 17px; font-weight: 600;
}
.faq-ico {
    width: 28px; height: 28px; border: 1px solid var(--ink); position: relative; flex: none;
}
.faq-ico::before, .faq-ico::after {
    content: ""; position: absolute; background: var(--ink); left: 7px; right: 7px; top: 13px; height: 1px;
}
.faq-ico::after { transform: rotate(90deg); transition: transform .2s, opacity .2s; }
.faq-item.is-open .faq-ico::after { transform: rotate(0deg); opacity: 0; }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .28s ease; }
.faq-item.is-open .faq-a { grid-template-rows: 1fr; }
.faq-a-inner { overflow: hidden; }
.faq-a-inner p { padding: 0 4px 20px; color: var(--ink-soft); max-width: 820px; }

.guard-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--rule); }
.guard {
    padding: 32px 26px; border-right: 1px solid var(--rule);
}
.guard:last-child { border-right: 0; }
.g-ico { width: 36px; height: 36px; margin-bottom: 16px; color: var(--seal); }
.guard h3 { font-size: 18px; margin-bottom: 10px; }
.guard p { font-size: 14px; color: var(--ink-soft); }

.cta-block { background: var(--paper-2); }
.cta-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 48px; align-items: start; }
.need-list { list-style: none; margin: 18px 0; }
.need-list li {
    padding: 10px 0 10px 16px; border-bottom: 1px solid var(--rule); position: relative; color: var(--ink-soft);
}
.need-list li::before { content: ""; width: 6px; height: 6px; border: 1px solid var(--seal); position: absolute; left: 0; top: 18px; }
.form-card { background: var(--paper); border: 1px solid var(--rule); padding: 32px; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 13px; letter-spacing: .08em; margin-bottom: 6px; color: var(--ink-soft); }
.form-row input, .form-row select, .form-row textarea {
    width: 100%; border: 1px solid var(--rule-strong); background: #faf7f1; color: var(--ink);
    min-height: 46px; padding: 10px 12px; font-size: 16px; border-radius: var(--radius);
    transition: border-color .15s;
}
.form-row textarea { min-height: 120px; resize: vertical; line-height: 1.6; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
    border-color: var(--ink); outline: none;
}
.form-check { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--ink-soft); margin: 8px 0 18px; }
.form-check input { margin-top: 4px; width: 16px; height: 16px; accent-color: var(--seal); }
.form-alert { padding: 12px 14px; margin-bottom: 16px; font-size: 14px; border: 1px solid var(--rule); }
.form-alert.ok { border-color: var(--seal); color: var(--seal-deep); background: rgba(142,42,34,.06); }
.form-alert.err { border-color: var(--ink); color: var(--ink); }
.form-card .btn { width: 100%; min-height: 48px; }

.site-footer {
    background: var(--night); color: var(--night-text); padding: 64px 0 28px; font-size: 14px;
}
.footer-grid { display: grid; grid-template-columns: 1.3fr .9fr 1.1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo-mark { color: var(--night-text); }
.footer-brand p { color: rgba(237,230,217,.7); margin-top: 14px; max-width: 360px; }
.site-footer h3 { color: var(--night-text); font-size: 14px; letter-spacing: .16em; margin-bottom: 14px; font-weight: 600; }
.site-footer a { color: rgba(237,230,217,.78); }
.site-footer a:hover { color: #fff; }
.foot-nav { display: grid; gap: 8px; }
.foot-meta p { margin: 0 0 8px; color: rgba(237,230,217,.78); }
.foot-bottom {
    border-top: 1px solid rgba(237,230,217,.12); padding-top: 18px;
    display: flex; justify-content: space-between; gap: 12px; color: rgba(237,230,217,.55); font-size: 12px;
}

.dock {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 100;
    background: var(--ink); color: var(--paper); min-height: var(--dock-h);
    display: flex; align-items: center; border-top: 2px solid var(--seal);
    transform: translateY(0); transition: transform .28s ease;
}
.dock.is-hide { transform: translateY(110%); }
.dock .container {
    display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px;
    width: min(100% - 32px, var(--container));
}
.dock a.phone { letter-spacing: .04em; }
.dock p { margin: 0; font-size: 14px; color: rgba(244,240,232,.8); text-align: center; }
.dock .btn { min-height: 40px; }

@media (max-width: 1279px) {
    .container { width: min(100% - 40px, var(--container)); }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1023px) {
    .nav-links { display: none; }
    .nav-cta .btn { display: none; }
    .menu-toggle { display: inline-block; }
    .intro-grid, .dark-grid, .cta-grid { grid-template-columns: 1fr; gap: 28px; }
    .intro-visual img { aspect-ratio: 16/10; }
    .method-grid { grid-template-columns: repeat(2, 1fr); }
    .topic-grid { grid-template-columns: 1fr; grid-template-rows: none; }
    .topic--lg { grid-row: auto; min-height: 360px; }
    .story { grid-template-columns: 1fr; }
    .data-grid, .guard-grid { grid-template-columns: repeat(2, 1fr); }
    .data-item, .guard { border-right: 0; border-bottom: 1px solid var(--rule); }
    .review-grid { grid-template-columns: 1fr; }
    .review:nth-child(2) { margin-top: 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero-ctrl { display: none; }
    .cmp-head, .cmp-row { grid-template-columns: 1fr; }
    .cmp-head { display: none; }
    .cmp-row div { padding: 8px 14px; }
    .cmp-dim { background: var(--ink); color: var(--paper); }
    .scene-grid { grid-template-columns: 1fr; }
    .scene-tab, .scene-panel { grid-column: auto; grid-row: auto; }
    .scene-panel { min-height: 0; padding: 22px 18px; margin-bottom: 8px; }
    .seal-mark { right: 16px; bottom: 72px; width: 72px; height: 72px; font-size: 16px; }
    .seal-mark span { width: 58px; height: 58px; }
}
@media (max-width: 767px) {
    body { font-size: 16px; }
    .topbar { display: none; }
    .section { padding: 64px 0; }
    .container { width: min(100% - 32px, var(--container)); }
    .point-grid { grid-template-columns: 1fr; }
    .point { padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--rule); }
    .point:last-child { border-bottom: 0; }
    .method-grid, .news-grid { grid-template-columns: 1fr; }
    .hero, .hero-copy { min-height: 640px; }
    .hero-copy { padding: 72px 0 80px; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn { width: 100%; }
    .timeline li { grid-template-columns: 72px 20px 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .foot-bottom { flex-direction: column; }
    .dock { min-height: 56px; }
    .dock .container { grid-template-columns: repeat(3, 1fr); gap: 4px; text-align: center; }
    .dock p { font-size: 11px; letter-spacing: 0; }
    .dock .btn { min-height: 36px; padding: 0 8px; font-size: 12px; width: 100%; }
    .dock a.phone { font-size: 12px; }
    .data-num { font-size: 32px; }
    .form-card { padding: 22px 16px; }
}
@media (max-width: 374px) {
    .logo-sub { display: none; }
    .hero h1, .hero-title { font-size: 32px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .hero-slide.is-active .hero-bg { transform: none; }
}