:root{color-scheme:light dark;--bg:#f4f7f6;--surface:#fff;--ink:#14213b;--muted:#5d6a7e;--line:#d8e1e2;--accent:#087f73;--header:rgb(244 247 246 / 90%);font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR",system-ui,sans-serif;font-synthesis:none}*{box-sizing:border-box}html{scroll-padding-top:5rem}body{min-width:320px;margin:0;color:var(--ink);background:var(--bg);line-height:1.72;-webkit-font-smoothing:antialiased}a{color:var(--accent);overflow-wrap:anywhere}a:focus-visible{outline:3px solid var(--accent);outline-offset:4px;border-radius:7px}.skip-link{position:fixed;z-index:100;top:.75rem;left:.75rem;padding:.7rem 1rem;color:var(--surface);background:var(--ink);transform:translateY(-160%)}.skip-link:focus{transform:none}.site-header{position:sticky;z-index:10;top:0;border-bottom:1px solid var(--line);background:var(--header);backdrop-filter:blur(16px)}.header-inner,.content,.footer-inner{width:min(calc(100% - 2.5rem),780px);margin-inline:auto}.header-inner{display:flex;min-height:4.5rem;align-items:center;gap:.7rem}.brand{margin-right:auto;color:var(--ink);font-weight:850;text-decoration:none}.nav-link{display:flex;min-height:44px;align-items:center;padding:.45rem .6rem;font-size:.88rem;font-weight:750;text-decoration:none}.content{padding-block:clamp(3.5rem,8vw,6.5rem)}.eyebrow{margin:0 0 .7rem;color:var(--accent);font-size:.78rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}h1,h2,h3{line-height:1.18;letter-spacing:-.035em}h1{max-width:18ch;margin:0;font-size:clamp(2.4rem,7vw,4.4rem)}h2{margin-top:0}.lead{max-width:44rem;margin:1.3rem 0 0;color:var(--muted);font-size:clamp(1.02rem,2vw,1.18rem)}.updated{color:var(--muted);font-size:.86rem}.toc,.notice,.card,.contact{margin-top:2.2rem;padding:clamp(1.25rem,4vw,2rem);border:1px solid var(--line);background:var(--surface)}.toc ol,.card ol,.card ul{padding-left:1.35rem}.toc li+li,.card li+li{margin-top:.45rem}.section{margin-top:3.8rem}.section h2{font-size:clamp(1.55rem,4vw,2.15rem)}.section h3{margin-top:2rem}.section p,.section li,.card p,.card li,.notice p{color:var(--muted)}.section strong,.card strong,.notice strong{color:var(--ink)}.data-table{width:100%;border-collapse:collapse;font-size:.92rem}.data-table th,.data-table td{padding:.85rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.data-table th{color:var(--ink);background:var(--surface)}.data-table td{color:var(--muted)}.contact a{display:inline-flex;min-height:44px;align-items:center;font-size:1.08rem;font-weight:850}.warning{padding-left:1rem;border-left:4px solid var(--accent)}.site-footer{border-top:1px solid var(--line)}.footer-inner{display:flex;padding-block:1.6rem;justify-content:space-between;gap:1rem;color:var(--muted);font-size:.86rem}.footer-inner nav{display:flex;flex-wrap:wrap;gap:1rem}.footer-inner a{min-height:44px;font-weight:750;text-decoration:none}
@media(max-width:600px){.header-inner,.content,.footer-inner{width:min(calc(100% - 2rem),780px)}.header-inner{align-items:flex-start;padding-block:.7rem;flex-wrap:wrap}.brand{width:100%}.data-table{display:block;overflow-x:auto}.footer-inner{flex-direction:column}}
@media(prefers-color-scheme:dark){:root{--bg:#0b1422;--surface:#121d30;--ink:#f1f5fa;--muted:#a9b5c7;--line:#2b3950;--accent:#4bd2c2;--header:rgb(11 20 34 / 90%)}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}