:root {
      color-scheme: light;
      --blue: #0ea5e9;
      --blue-deep: #0284c7;
      --sky: #7dd3fc;
      --ink: #1e293b;
      --muted: #64748b;
      --line: #e2e8f0;
      --pale: #f1f5f9;
      --photo: url("/images/hero.png");
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
    }
    * { box-sizing: border-box; }
    body { margin: 0; color: var(--ink); background: #fff; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif; line-height: 1.8; -webkit-font-smoothing: antialiased; }
    a { color: inherit; }
    a:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
    .container { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
    .skip-link { position: absolute; top: 8px; left: 8px; z-index: 50; padding: 8px 12px; transform: translateY(-150%); background: var(--ink); color: #fff; }
    .skip-link:focus { transform: translateY(0); }

    .site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .97); backdrop-filter: blur(10px); }
    .header-inner { display: flex; min-height: 82px; align-items: center; justify-content: space-between; gap: 28px; }
    .brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
    .brand-logo { display: block; width: 285px; height: auto; object-fit: contain; object-position: left center; }
    .site-nav { display: flex; align-items: center; justify-content: flex-end; gap: clamp(14px, 2.5vw, 32px); }
    .site-nav a { padding: 10px 0 8px; border-bottom: 2px solid transparent; color: #475569; font-size: 12px; font-weight: 650; text-decoration: none; transition: color .18s ease, border-color .18s ease; }
    .site-nav a:hover, .site-nav a[aria-current="page"] { border-color: var(--blue); color: var(--blue-deep); }

    main { min-height: calc(100vh - 158px); }
    .page { display: block; }
    .page[hidden] { display: none !important; }
    .eyebrow { margin: 0 0 8px; color: var(--blue-deep); font-size: 10px; font-weight: 750; letter-spacing: .2em; }
    .section-title { margin: 0; font-size: clamp(28px, 4vw, 38px); line-height: 1.45; letter-spacing: .02em; }
    .page-intro { padding: 42px 0 26px; }
    .page-intro .eyebrow { margin-bottom: 5px; }

    .hero { position: relative; display: grid; min-height: clamp(310px, 30vw, 420px); overflow: hidden; place-items: center; background-image: linear-gradient(90deg, rgba(15, 23, 42, .66), rgba(15, 23, 42, .2)), var(--photo); background-position: center 54%; background-size: cover; color: #fff; text-align: center; }
    .hero-content { width: min(920px, calc(100% - 48px)); padding: 65px 0; }
    .hero-kicker { margin: 0 0 14px; color: #bae6fd; font-size: 11px; font-weight: 750; letter-spacing: .25em; }
    .hero h1 { margin: 0; font-size: clamp(36px, 6.2vw, 66px); font-weight: 750; line-height: 1.38; letter-spacing: .035em; text-shadow: 0 2px 24px rgba(15, 23, 42, .32); }
    .hero-copy { max-width: 770px; margin: 18px auto 0; color: rgba(255, 255, 255, .94); font-size: 14px; line-height: 2; text-shadow: 0 1px 12px rgba(15, 23, 42, .45); }

    .home-intro { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: stretch; gap: 56px; padding-block: 66px 78px; }
    .intro-photo { min-height: 400px; background-image: var(--photo); background-position: 74% center; background-size: cover; }
    .intro-copy { align-self: center; padding: 16px 0; }
    .intro-copy h2 { margin: 0; font-size: clamp(25px, 3vw, 34px); line-height: 1.55; }
    .intro-copy p:not(.eyebrow) { margin: 18px 0 0; color: #475569; font-size: 13px; line-height: 2.1; }
    .social-heading { margin: 25px 0 11px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .05em; }
    .social-row { display: flex; flex-wrap: wrap; gap: 9px; }
    .social-chip { display: inline-flex; min-height: 42px; align-items: center; gap: 8px; padding: 7px 13px; border: 1px solid #cbd5e1; border-radius: 3px; background: #fff; color: #334155; font-size: 11px; font-weight: 650; text-decoration: none; cursor: default; }
    .social-icon { display: grid; width: 22px; height: 22px; place-items: center; border-radius: 50%; background: #e0f2fe; color: var(--blue-deep); font-size: 11px; font-weight: 800; }
    .social-status { padding: 2px 6px; border-radius: 999px; background: #f1f5f9; color: #94a3b8; font-size: 9px; font-weight: 600; white-space: nowrap; }
    .youtube-icon::after { width: 0; height: 0; border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-left: 7px solid var(--blue-deep); content: ""; }

    .business-page, .character-page, .blog-page { padding-bottom: 78px; }
    .business-feature { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: stretch; border-top: 2px solid var(--blue); border-bottom: 1px solid var(--line); }
    .business-photo { min-height: 380px; background-image: var(--photo); background-position: 78% center; background-size: cover; }
    .business-copy { display: flex; flex-direction: column; justify-content: center; padding: 36px 42px; }
    .business-copy h2 { margin: 0; font-size: clamp(22px, 2.8vw, 30px); line-height: 1.6; }
    .business-copy p:not(.eyebrow) { margin: 15px 0 24px; color: var(--muted); font-size: 13px; line-height: 2.05; }
    .official-link { display: inline-flex; min-height: 45px; align-items: center; justify-content: center; gap: 10px; align-self: flex-start; margin-top: auto; padding: 9px 17px; border: 1px solid var(--blue); background: var(--blue); color: #fff; font-size: 12px; font-weight: 700; text-decoration: none; transition: background .18s ease, transform .18s ease; }
    .official-link:hover { transform: translateY(-2px); background: var(--blue-deep); }
    .business-secondary { display: grid; grid-template-columns: 1fr 1.4fr; gap: 28px; margin-top: 28px; padding: 26px 0; border-bottom: 1px solid var(--line); }
    .business-secondary h2 { margin: 0; font-size: 19px; line-height: 1.6; }
    .business-secondary p { margin: 0; color: var(--muted); font-size: 13px; line-height: 2.05; }
    .business-tables { display: grid; min-width: 0; gap: 28px; }
    .business-table-section { min-width: 0; padding-top: 20px; border-top: 1px solid var(--line); }
    .business-table-section:first-child { border-top: 2px solid var(--blue); }
    .business-table-title { margin: 0 0 13px; font-size: 18px; line-height: 1.55; }
    .table-scroll { min-width: 0; max-width: 100%; overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    .table-scroll:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
    .business-info-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
    .business-info-table a.table-official-link {color: white !important;}
    .business-info-table th, .business-info-table td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: 12px; line-height: 1.95; }
    .business-info-table thead th { background: var(--pale); color: var(--muted); font-size: 11px; font-weight: 700; }
    .business-info-table tbody th { background: #f8fafc; font-weight: 700; }
    .business-info-table tr:last-child > * { border-bottom: 0; }
    .business-info-table a:not(.official-link) { color: var(--blue-deep); text-underline-offset: 3px; }
    .business-info-table--overview { min-width: 560px; }
    .business-info-table--brands, .business-info-table--organization, .business-info-table--railway { min-width: 780px; }
    .business-note { margin: 10px 0 0; color: var(--muted); font-size: 11px; line-height: 1.8; }
    .table-official-link { display: inline-flex; min-height: 36px; align-items: center; gap: 8px; margin-top: 10px; padding: 7px 12px; border: 1px solid var(--blue); background: var(--blue); color: #fff; font-size: 11px; font-weight: 700; text-decoration: none; transition: background .18s ease, transform .18s ease; }
    .table-official-link:hover { transform: translateY(-2px); background: var(--blue-deep); }
    .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

    .profile-grid { display: grid; grid-template-columns: minmax(280px, .88fr) minmax(0, 1.12fr); align-items: start; gap: 48px; }
    .portrait-placeholder { position: relative; display: grid; min-height: 530px; overflow: hidden; place-items: center; border: 1px solid #cbd5e1; background: linear-gradient(145deg, #dbeafe, #f1f5f9 62%, #e2e8f0); color: #64748b; text-align: center; }
    .portrait-placeholder::before, .portrait-placeholder::after { position: absolute; border: 1px solid rgba(14, 165, 233, .18); border-radius: 50%; content: ""; }
    .portrait-placeholder::before { width: 260px; height: 260px; }
    .portrait-placeholder::after { width: 350px; height: 350px; }
    .placeholder-copy { z-index: 1; padding: 11px 16px; border: 1px solid rgba(203, 213, 225, .7); background: rgba(255, 255, 255, .9); font-size: 12px; }
    .profile-copy { padding-top: 17px; border-top: 2px solid var(--blue); }
    .profile-name { margin: 0; font-size: clamp(30px, 4vw, 42px); line-height: 1.4; letter-spacing: .04em; }
    .profile-reading { margin: 3px 0 0; color: var(--muted); font-size: 12px; }
    .profile-reading span { margin-left: 7px; color: #94a3b8; }
    .facts { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 22px 0 0; padding: 15px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .facts div { display: grid; grid-template-columns: 80px 1fr; gap: 8px; }
    .facts dt { color: var(--muted); font-size: 11px; font-weight: 650; }
    .facts dd { margin: 0; font-size: 12px; }
    .profile-intro { margin: 20px 0; color: #475569; font-size: 13px; line-height: 2.05; }
    .detail-list { margin: 0; border-top: 1px solid var(--line); }
    .detail-row { display: grid; grid-template-columns: 86px 1fr; gap: 15px; padding: 14px 0; border-bottom: 1px solid var(--line); }
    .detail-row dt { color: var(--blue-deep); font-size: 12px; font-weight: 700; }
    .detail-row dd { margin: 0; color: #475569; font-size: 12px; line-height: 1.95; }

    .blog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
    .blog-card { overflow: hidden; border: 1px solid var(--line); background: #fff; }
    .blog-art { position: relative; display: grid; min-height: 190px; overflow: hidden; place-items: center; background: linear-gradient(135deg, #dbeafe, #f1f5f9); color: var(--blue-deep); }
    .blog-art::before, .blog-art::after { position: absolute; border: 1px solid rgba(14, 165, 233, .2); border-radius: 50%; content: ""; }
    .blog-art::before { width: 190px; height: 190px; }
    .blog-art::after { width: 250px; height: 250px; }
    .blog-art span { z-index: 1; display: grid; width: 56px; height: 56px; place-items: center; border: 1px solid rgba(14, 165, 233, .25); border-radius: 50%; background: rgba(255, 255, 255, .8); font-size: 10px; font-weight: 750; letter-spacing: .14em; }
    .blog-art-2 { background: linear-gradient(135deg, #e2e8f0, #f8fafc); color: #64748b; }
    .blog-art-2::before, .blog-art-2::after { border-color: rgba(100, 116, 139, .2); }
    .blog-art-3 { background: linear-gradient(135deg, #e0f2fe, #f8fafc); }
    .blog-copy { padding: 18px 20px 22px; }
    .blog-copy time { color: var(--blue-deep); font-size: 11px; font-weight: 700; }
    .blog-copy h2 { margin: 8px 0 0; font-size: 17px; line-height: 1.6; }
    .blog-copy p { margin: 9px 0 0; color: var(--muted); font-size: 12px; line-height: 1.95; }

    .site-footer { padding: 28px 0; background: #334155; color: #e2e8f0; text-align: center; }
    .footer-brand { margin: 0 0 5px; color: #fff; font-size: 13px; font-weight: 700; letter-spacing: .04em; }
    .footer-copy, .footer-note { margin: 0; }
    .footer-copy { font-size: 11px; }
    .footer-note { margin-top: 7px; color: #cbd5e1; font-size: 10px; }

    @media (max-width: 860px) {
      .header-inner { align-items: flex-start; flex-direction: column; gap: 6px; padding: 12px 0; }
      .site-nav { width: 100%; justify-content: space-between; gap: 8px; }
      .home-intro { gap: 30px; }
      .business-copy { padding: 30px; }
      .profile-grid { grid-template-columns: minmax(230px, .8fr) minmax(0, 1.2fr); gap: 28px; }
      .portrait-placeholder { min-height: 470px; }
      .facts { grid-template-columns: 1fr; }
      .blog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }
    @media (max-width: 620px) {
      .container { width: min(calc(100% - 36px), 520px); }
      .site-nav { gap: 6px; }
      .site-nav a { font-size: 10px; }
      .hero { min-height: 340px; background-position: 58% center; }
      .hero-content { width: min(calc(100% - 36px), 600px); padding: 52px 0; }
      .hero h1 { font-size: clamp(33px, 9vw, 45px); }
      .hero-copy { font-size: 12px; }
      .home-intro { grid-template-columns: 1fr; gap: 25px; padding-block: 45px 58px; }
      .intro-photo { min-height: 260px; background-position: 74% 55%; }
      .intro-copy h2 { font-size: 25px; }
      .business-page, .character-page, .blog-page { padding-bottom: 58px; }
      .business-feature, .business-secondary { grid-template-columns: 1fr; }
      .business-photo { min-height: 260px; }
      .business-copy { padding: 25px 0 30px; }
      .business-secondary { gap: 9px; margin-top: 18px; padding: 21px 0; }
      .profile-grid { grid-template-columns: 1fr; gap: 28px; }
      .portrait-placeholder { min-height: 350px; }
      .facts { grid-template-columns: 1fr; gap: 6px; }
      .detail-row { grid-template-columns: 75px 1fr; gap: 10px; }
      .blog-grid { grid-template-columns: 1fr; gap: 16px; }
      .blog-art { min-height: 210px; }
      .blog-copy { padding: 17px 18px 20px; }
    }
    @media (max-width: 360px) {
      .container { width: calc(100% - 32px); }
      .brand-logo { width: 155px; height: 64px; }
      .site-nav { gap: 5px; }
      .site-nav a { font-size: 9px; }
    }
    @media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition-duration: .01ms !important; } }