:root {
  --bg:#f4f6f8;--surface:#fff;--subtle:#eef2f5;--text:#192027;--muted:#5b6772;
  --line:#dce3e8;--accent:#0d5c63;--accent-strong:#08464b;--accent-soft:#dff1f0;
  --warning:#875900;--warning-soft:#fff4d6;--radius-lg:24px;--radius-md:16px;
  --radius-sm:10px;--shadow:0 18px 50px rgba(21,44,52,.08);--content:1120px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 90% 0%,rgba(13,92,99,.10),transparent 28rem),linear-gradient(180deg,#fbfcfd 0%,var(--bg) 35%);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",sans-serif;line-height:1.65}a{color:var(--accent)}button,a{-webkit-tap-highlight-color:transparent}.skip-link{position:fixed;top:12px;left:12px;z-index:999;transform:translateY(-150%);padding:10px 14px;border-radius:var(--radius-sm);background:var(--text);color:#fff}.skip-link:focus{transform:translateY(0)}.site-shell{width:min(100%,var(--content));margin:0 auto;padding:0 24px 48px}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;min-height:76px;padding:12px 0;background:rgba(251,252,253,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,227,232,.8)}.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text);text-decoration:none}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:var(--accent);color:#fff;font-size:20px;font-weight:800}.brand strong,.brand small{display:block}.brand small{color:var(--muted)}.menu-button{display:none;border:1px solid var(--line);border-radius:999px;padding:9px 15px;background:var(--surface);color:var(--text);font:inherit;font-weight:700;cursor:pointer}.section-nav{position:sticky;top:76px;z-index:15;display:flex;gap:8px;padding:12px 0;overflow-x:auto;background:rgba(244,246,248,.92);backdrop-filter:blur(12px)}.section-nav a{flex:0 0 auto;padding:8px 13px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);text-decoration:none;font-size:14px;font-weight:700}.section-nav a:hover,.section-nav a:focus-visible{border-color:var(--accent);color:var(--accent)}.hero{position:relative;isolation:isolate;overflow:hidden;margin:34px 0 28px;padding:clamp(30px,6vw,68px);border-radius:var(--radius-lg);background:linear-gradient(135deg,rgba(8,70,75,.98),rgba(13,92,99,.88)),var(--accent);color:#fff;box-shadow:var(--shadow)}.hero::after{content:"";position:absolute;z-index:-1;width:310px;height:310px;right:-120px;top:-120px;border:54px solid rgba(255,255,255,.08);border-radius:50%}.eyebrow{margin:0 0 10px;color:#bfe2df;font-size:14px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.hero h1{max-width:780px;margin:0;font-size:clamp(34px,6vw,64px);line-height:1.08;letter-spacing:-.035em}.hero p{max-width:720px;margin:20px 0 0;color:rgba(255,255,255,.86);font-size:clamp(17px,2.4vw,21px)}.hero-actions,.quick-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 17px;border:1px solid transparent;border-radius:999px;text-decoration:none;font-weight:800}.button-primary{background:#fff;color:var(--accent-strong)}.button-secondary{border-color:rgba(255,255,255,.38);color:#fff}.section{scroll-margin-top:150px;margin:28px 0;padding:clamp(24px,4vw,40px);border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:0 12px 30px rgba(21,44,52,.04)}.section-heading{display:grid;gap:8px;margin-bottom:24px}.section-heading h2{margin:0;font-size:clamp(26px,4vw,38px);line-height:1.2;letter-spacing:-.025em}.section-heading p{margin:0;color:var(--muted)}.fact-grid,.card-grid,.faq-grid{display:grid;gap:16px}.fact-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.fact-card,.route-card,.info-card,.faq-item{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface)}.fact-card{padding:20px;background:var(--subtle)}.fact-card dt{color:var(--muted);font-size:13px;font-weight:800}.fact-card dd{margin:8px 0 0;font-size:18px;font-weight:800;line-height:1.45}.route-card{display:flex;flex-direction:column;min-height:210px;padding:22px}.route-card h3{margin:0;font-size:21px}.route-card p{flex:1;color:var(--muted)}.route-card a{align-self:flex-start;font-weight:800}.notice{display:grid;grid-template-columns:auto 1fr;gap:14px;margin:22px 0;padding:18px 20px;border-radius:var(--radius-md)}.notice-security{background:var(--accent-soft);color:var(--accent-strong)}.notice-warning{background:var(--warning-soft);color:var(--warning)}.notice-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.68);font-weight:900}.notice h3,.notice p{margin:0}.notice p{margin-top:4px}.steps{display:grid;gap:14px;margin:0;padding:0;list-style:none;counter-reset:guide-step}.step-card{counter-increment:guide-step;display:grid;grid-template-columns:auto 1fr;gap:16px;padding:20px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface)}.step-card::before{content:counter(guide-step);display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--accent);color:#fff;font-weight:900}.step-card h3,.step-card p{margin:0}.step-card p{margin-top:5px;color:var(--muted)}.info-card{padding:22px}.info-card h3{margin:0 0 10px;font-size:20px}.info-card ul{margin:0;padding-left:20px}.faq-item{padding:20px}.faq-item h3{margin:0 0 8px;font-size:18px}.faq-item p{margin:0;color:var(--muted)}.verification-stamp{display:grid;gap:8px;padding:20px;border-left:4px solid var(--accent);border-radius:0 var(--radius-md) var(--radius-md) 0;background:var(--subtle);color:var(--muted);font-size:14px}.verification-stamp strong{color:var(--text)}.site-footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:36px;padding:22px 4px 0;border-top:1px solid var(--line);color:var(--muted);font-size:14px}.site-footer p{margin:0}.noscript{margin:20px;padding:16px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface)}:focus-visible{outline:3px solid rgba(13,92,99,.35);outline-offset:3px}@media(max-width:900px){.fact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.card-grid{grid-template-columns:1fr}}@media(max-width:680px){.site-shell{padding-inline:16px}.menu-button{display:inline-flex}.section-nav{display:none;position:sticky;top:76px;flex-direction:column;padding:12px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface);box-shadow:var(--shadow)}.section-nav.is-open{display:flex}.section-nav a{border-radius:var(--radius-sm)}.fact-grid,.faq-grid{grid-template-columns:1fr}.hero{margin-top:18px}.section{padding:22px}}