:root{
      --bg:#f4f7fb;
      --surface:#ffffff;
      --surface-soft:#f8fafc;
      --line:#e5e7eb;
      --line-strong:#cbd5e1;
      --text:#0f172a;
      --text-soft:#475569;
      --text-faint:#64748b;
      --dark:#0f172a;
      --brand:#0ea5e9;
      --brand-soft:#e0f2fe;
      --green:#16a34a;
      --green-soft:#dcfce7;
      --amber:#f59e0b;
      --amber-soft:#fef3c7;
      --red:#dc2626;
      --red-soft:#fee2e2;
      --blue:#2563eb;
      --blue-soft:#dbeafe;
      --container:min(1180px, calc(100% - 32px));
      --radius-xl:28px;
      --radius-lg:24px;
      --radius-md:18px;
      --shadow:0 18px 40px rgba(15,23,42,.08);
      --warn-bg:rgba(245,158,11,.08);
      --warn-border:rgba(245,158,11,.35);
      --soft-bg:#f8fbff;
      --soft-border:#dbeafe;
      --ok-bg:#f0fdf4;
      --ok-border:#bbf7d0;
    }

    *{box-sizing:border-box}
    html,body{margin:0;padding:0;overflow-x:hidden}
    html{scroll-behavior:smooth}
    body{
      color:var(--text);
      background:var(--bg);
      font-family:"Inter","Segoe UI","Arial",system-ui,-apple-system,sans-serif;
      line-height:1.68;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      padding-bottom:calc(76px + env(safe-area-inset-bottom, 0px));
    }

    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{font:inherit}
    .container{width:var(--container);margin:0 auto;min-width:0}
    .skip-link{
      position:absolute;left:12px;top:-44px;z-index:3000;background:#111827;color:#fff;
      padding:10px 14px;border-radius:10px;font-weight:800;
    }
    .skip-link:focus{top:12px}

    .site-header{
      position:sticky;top:0;z-index:1500;background:rgba(255,255,255,.92);
      backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid rgba(15,23,42,.06);
    }
    .nav-bar{
      min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px;
    }
    .nav-left{
      display:flex;align-items:center;gap:20px;min-width:0;flex:1 1 auto;
    }
    .brand{
      display:flex;align-items:center;gap:10px;min-width:0;color:#111827;
    }
    .brand-logo{
      width:30px;height:30px;border-radius:9px;flex:0 0 auto;background:#e5e7eb;object-fit:cover;
    }
    .brand-text{
      display:flex;flex-direction:column;gap:2px;min-width:0;line-height:1.1;
    }
    .brand-title{
      font-size:16px;font-weight:900;white-space:nowrap;
    }
    .brand-sub{
      font-size:12px;color:#6b7280;white-space:nowrap;
    }

    .nav{
      display:flex;align-items:center;gap:4px;min-width:0;flex-wrap:wrap;
    }
    .nav a{
      display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 12px;
      border-radius:999px;color:#475569;font-size:14px;font-weight:800;white-space:nowrap;
    }
    .nav a:hover,.nav a:focus,.nav a[aria-current="page"]{
      background:#eef2f7;color:#111827;outline:none;
    }

    .nav-right{
      display:flex;align-items:center;gap:10px;flex:0 0 auto;
    }
    .lang-pills{
      display:flex;align-items:center;gap:8px;flex-wrap:wrap;
    }
    .lang-pill{
      appearance:none;border:1px solid var(--line);background:#fff;color:#6b7280;padding:8px 10px;
      border-radius:999px;font:13px/1.1 system-ui,-apple-system,Segoe UI,Roboto,"Noto Sans",Arial;
      cursor:pointer;white-space:nowrap;user-select:none;
    }
    .lang-pill:hover{color:#111827}
    .lang-pill[aria-current="true"]{
      color:#111827;font-weight:900;border-color:var(--line-strong);background:#f8fafc;
    }

    .hamburger{
      display:none;appearance:none;border:1px solid var(--line);background:#fff;color:#111827;
      width:42px;height:42px;border-radius:12px;font-size:20px;cursor:pointer;flex:0 0 auto;
    }

    .countdown-bar-wrap{
      background:#fff;border-bottom:1px solid rgba(15,23,42,.06);
    }
    .countdown-bar{
      min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0;
    }
    .countdown-bar__left{
      min-width:0;display:flex;align-items:center;gap:10px;flex:1 1 auto;
    }
    .countdown-badge{
      flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;min-height:28px;
      padding:0 10px;border-radius:999px;background:#111827;color:#fff;font-size:12px;font-weight:900;
    }
    .countdown-copy{
      min-width:0;font-size:14px;color:#334155;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
    }
    .countdown-copy strong{
      color:#111827;font-weight:900;
    }
    .countdown-bar__actions{
      flex:0 0 auto;display:flex;align-items:center;gap:8px;flex-wrap:nowrap;
    }
    .countdown-link{
      display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:0 12px;
      border-radius:999px;border:1px solid var(--line);background:#f8fafc;font-size:13px;
      font-weight:800;color:#111827;white-space:nowrap;flex:0 0 auto;
    }
    .countdown-link:hover,.countdown-link:focus{
      background:#eef2f7;outline:none;
    }

    .page-main{padding-top:18px;padding-bottom:32px}
    .breadcrumb{
      display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:16px;color:#64748b;
      font-size:13px;font-weight:700;
    }
    .breadcrumb a{color:#475569}
    .breadcrumb span[aria-current="page"]{color:#111827}

    .hero{
      display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:18px;align-items:stretch;
    }
    .hero-card,.section-card,.aside-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow);min-width:0;
    }
    .hero-card{
      padding:28px 24px;
      background:radial-gradient(circle at top right, rgba(14,165,233,.12), transparent 30%), linear-gradient(180deg,#ffffff,#f8fbff);
    }
    .eyebrow{
      display:inline-flex;align-items:center;min-height:30px;padding:0 12px;border-radius:999px;
      background:var(--brand-soft);color:#0369a1;font-size:12px;font-weight:900;margin-bottom:14px;
    }
    .hero-card h1{
      margin:0;font-size:42px;line-height:1.1;letter-spacing:-.04em;color:var(--dark);word-break:keep-all;overflow-wrap:anywhere;
    }
    .hero-card p{
      margin:14px 0 0;color:var(--text-soft);font-size:15px;max-width:760px;
    }
    .hero-meta{
      margin-top:18px;display:flex;flex-wrap:wrap;gap:10px;
    }
    .meta-pill{
      display:inline-flex;align-items:center;min-height:38px;padding:0 14px;border-radius:999px;
      background:#f8fafc;border:1px solid #e2e8f0;color:#111827;font-size:13px;font-weight:800;
    }
    .hero-links{
      margin-top:18px;display:flex;flex-wrap:wrap;gap:10px;
    }
    .hero-link{
      display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;
      border-radius:999px;font-size:14px;font-weight:900;border:1px solid var(--line);background:#fff;
    }
    .hero-link.is-primary{
      background:#111827;color:#fff;border-color:#111827;
    }

    .aside-card{
      padding:18px;display:flex;flex-direction:column;gap:14px;
    }
    .guide-thumb{
      border-radius:22px;background:linear-gradient(180deg,#eef8ff,#e0f2fe);border:1px solid #dbeafe;
      padding:18px;display:flex;align-items:center;justify-content:center;min-height:260px;
    }
    .guide-thumb img{
      width:100%;max-width:320px;height:auto;object-fit:contain;
    }

    .quick-grid{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;
    }
    .quick-item{
      border:1px solid #e2e8f0;background:#f8fafc;border-radius:18px;padding:14px;
    }
    .quick-item strong{
      display:block;font-size:12px;color:#64748b;margin-bottom:4px;
    }
    .quick-item span{
      display:block;font-size:15px;font-weight:900;color:#111827;word-break:keep-all;overflow-wrap:anywhere;
    }

    .section-stack{
      margin-top:18px;display:grid;gap:18px;
    }
    .section-card{
      padding:24px;
    }
    .section-head{
      margin-bottom:18px;
    }
    .section-head h2{
      margin:0;font-size:30px;line-height:1.2;letter-spacing:-.03em;color:var(--dark);word-break:keep-all;overflow-wrap:anywhere;
    }
    .section-head p{
      margin:8px 0 0;font-size:14px;color:var(--text-soft);word-break:keep-all;overflow-wrap:anywhere;
    }

    .highlight-box{
      border:1px solid #dbeafe;background:linear-gradient(180deg,#f8fbff,#eef6ff);border-radius:22px;padding:18px;
    }
    .highlight-box strong{
      display:block;font-size:16px;color:#0f172a;margin-bottom:8px;
    }

    .card-grid{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;
    }
    .info-box{
      border:1px solid #e2e8f0;border-radius:20px;padding:18px;background:#fff;min-width:0;
    }
    .info-box h3{
      margin:0 0 10px;font-size:20px;line-height:1.3;word-break:keep-all;overflow-wrap:anywhere;
    }
    .info-box p{
      margin:0;color:var(--text-soft);font-size:14px;
    }

    .note,.ok-note{
      display:flex;gap:10px;padding:14px 16px;border-radius:18px;margin:12px 0 16px;font-size:14px;
    }
    .note{
      border:1px solid var(--warn-border);background:var(--warn-bg);
    }
    .ok-note{
      border:1px solid var(--ok-border);background:var(--ok-bg);
    }
    .note strong,.ok-note strong{
      font-weight:900;
    }
    .note .note-ico{
      width:18px;height:18px;flex:0 0 18px;margin-top:2px;color:#b45309;
    }

    .guide-list{margin:0;padding-left:18px}
    .guide-list li{margin:6px 0}

    .faq-list{
      display:grid;gap:12px;
    }
    .faq-item{
      border:1px solid var(--line);border-radius:18px;background:#fff;padding:16px;
    }
    .faq-q{
      font-weight:900;margin:0 0 6px;
    }
    .faq-a{
      margin:0;color:var(--text-soft);
    }

    .bottom-cta{
      margin-top:18px;border-radius:22px;border:1px solid var(--line);
      background:linear-gradient(180deg,#ffffff,#fafcff);box-shadow:var(--shadow);padding:18px;
    }
    .bottom-cta .title{
      font-size:21px;font-weight:900;color:var(--text);margin:0 0 8px;line-height:1.3;
    }
    .bottom-cta .desc{
      margin:0 0 14px;color:var(--text-soft);font-size:14px;
    }
    .cta-row{
      display:flex;flex-wrap:wrap;gap:10px;align-items:center;
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 16px;
      border-radius:999px;border:1px solid var(--line);cursor:pointer;font-weight:900;text-decoration:none !important;
      line-height:1;user-select:none;background:#fff;color:#111827;
      transition:transform .12s ease, box-shadow .12s ease, border-color .12s ease, background .12s ease;
    }
    .btn:hover{
      text-decoration:none;transform:translateY(-1px);box-shadow:0 8px 18px rgba(0,0,0,.06);
      border-color:#d1d5db;background:#f8fafc;
    }
    .btn-primary{
      background:#111827;color:#fff;border-color:#111827;
    }
    .btn-primary:hover{
      border-color:#111827;background:#0f172a;
    }

    .cta-badges{
      display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;
    }
    .badge{
      font-size:12px;padding:6px 10px;border-radius:999px;border:1px solid var(--line);color:var(--text-soft);background:#fff;
    }

    .site-footer{
      margin-top:26px;border-top:1px solid var(--line);background:#fff;
    }
    .footer-link-strip{
      padding:14px 0;border-bottom:1px solid #eef2f7;
    }
    .footer-link-strip__inner{
      display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;text-align:center;
    }
    .footer-link-strip__actions{
      display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;
    }
    .footer-inner{padding:24px 0 34px}
    .footer-top{
      display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;text-align:center;
    }
    .footer-brand{
      font-size:18px;font-weight:900;color:#111827;
    }
    .footer-desc{
      margin:8px 0 0;color:var(--text-faint);font-size:14px;max-width:720px;word-break:keep-all;overflow-wrap:anywhere;
    }
    .footer-links{
      display:flex;flex-wrap:wrap;justify-content:center;gap:10px;
    }
    .footer-links a{
      display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 14px;border-radius:999px;
      border:1px solid var(--line);background:#f8fafc;font-size:14px;font-weight:800;
    }
    .footer-copy{
      margin-top:18px;padding-top:18px;border-top:1px solid #eef2f7;color:var(--text-faint);font-size:13px;text-align:center;
    }

    .mobile-bottom-nav{
      position:fixed;left:0;right:0;bottom:0;z-index:1400;display:none;background:rgba(255,255,255,.96);
      backdrop-filter:saturate(160%) blur(10px);border-top:1px solid rgba(15,23,42,.08);
      padding:8px 10px calc(8px + env(safe-area-inset-bottom, 0px));
    }
    .mobile-bottom-nav__inner{
      display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;max-width:640px;margin:0 auto;
    }
    .mobile-bottom-nav__item{
      min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
      padding:8px 4px 7px;border-radius:12px;color:#6b7280;
    }
    .mobile-bottom-nav__item svg{
      width:20px;height:20px;display:block;flex:0 0 auto;
    }
    .mobile-bottom-nav__label{
      font-size:11px;line-height:1.1;font-weight:700;letter-spacing:-0.01em;white-space:nowrap;
    }
    .mobile-bottom-nav__item.is-active,.mobile-bottom-nav__item[aria-current="page"]{
      color:#111827;background:#f3f4f6;
    }

    .backdrop{
      position:fixed;inset:0;background:rgba(15,23,42,.38);z-index:1600;
    }
    .drawer{
      position:fixed;top:0;right:0;bottom:0;width:min(78vw,360px);background:#fff;box-shadow:-16px 0 40px rgba(15,23,42,.15);
      z-index:1700;overflow-y:auto;transform:translateX(100%);transition:transform .25s ease;
    }
    html.is-open .drawer{transform:translateX(0)}
    .drawer header{
      display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--line);
      position:sticky;top:0;background:#fff;z-index:2;
    }
    .drawer .section{padding:16px}
    .drawer .nav-list{display:flex;flex-direction:column;gap:4px}
    .drawer .nav-list a{
      display:flex;align-items:center;justify-content:center;width:100%;min-height:44px;padding:0 12px;border-radius:12px;
      font-weight:800;color:#111827;background:#f8fafc;
    }
    .lang-pills--drawer{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;
    }
    .lang-pills--drawer .lang-pill{
      width:100%;display:flex;justify-content:center;
    }
    .drawer-dotrule{
      width:calc(100% - 32px);margin:0 auto;border-top:1px dashed rgba(15,23,42,.16);
    }
    .drawer-quick-stack{
      display:flex;flex-direction:column;gap:10px;margin-top:14px;
    }
    .drawer-quick-pill{
      display:flex;align-items:center;justify-content:center;min-height:44px;border:1px solid #dbe2ea;
      border-radius:999px;font-weight:800;background:#fff;
    }

    .visually-hidden-seo{
      position:absolute !important;width:1px !important;height:1px !important;padding:0 !important;margin:-1px !important;
      overflow:hidden !important;clip:rect(0,0,0,0) !important;white-space:nowrap !important;border:0 !important;
    }

    @media (max-width:980px){
      .nav{display:none}
      .hamburger{display:inline-flex;align-items:center;justify-content:center}
      .nav-right{display:none}
      .mobile-bottom-nav{display:block}
      .countdown-bar{
        min-height:52px;align-items:center;flex-direction:row;justify-content:space-between;gap:10px;
      }
      .countdown-bar__left{
        width:auto;min-width:0;flex:1 1 auto;
      }
      .countdown-bar__actions{
        width:auto;justify-content:flex-end;flex-wrap:nowrap;
      }
      .hero{grid-template-columns:1fr}
      .card-grid,.quick-grid{grid-template-columns:1fr}
    }

    @media (max-width:640px){
      .container{width:min(100% - 24px,1180px)}
      .brand-title{font-size:14px}
      .brand-sub{display:none}
      .hero-card,.section-card,.aside-card{border-radius:22px}
      .hero-card{padding:20px 18px}
      .hero-card h1{font-size:30px}
      .aside-card{padding:14px}
      .section-card{padding:20px 16px}
      .section-head h2{font-size:25px}
      .countdown-bar{gap:8px}
      .countdown-bar__left{gap:8px}
      .countdown-copy{
        font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
      }
      .countdown-link{
        min-height:32px;padding:0 10px;font-size:12px;
      }
      .footer-link-strip__inner{flex-direction:column}
      .cta-row .btn{width:100%}
      .bottom-cta .title{font-size:19px}
    }

    html.is-open body,body.no-scroll{overflow:hidden}