:root{--bg:#F6F3EC;--surface:#fff;--ink:#14233C;--soft:#46526A;--muted:#858C99;--line:#E3DDD0;--gold:#A8843A}
@media (prefers-color-scheme:dark){:root{--bg:#0E1522;--surface:#16202F;--ink:#F2EEE4;--soft:#BAC1CD;--muted:#7D8698;--line:#243248;--gold:#D6B56A}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 "Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo",system-ui,sans-serif;word-break:keep-all}
main{max-width:720px;margin:0 auto;padding:40px 20px 64px}
header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:32px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink);text-decoration:none}
.brand img{width:36px;height:36px;border-radius:9px}
nav a{color:var(--soft);text-decoration:none;font-size:14px;margin-left:14px}
h1{font-size:30px;line-height:1.25;margin:0 0 8px}
h2{font-size:19px;margin:32px 0 8px}
p,li{color:var(--ink)}
.muted{color:var(--muted);font-size:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px 22px;margin:20px 0}
.rule{width:18px;height:1px;background:var(--gold);display:inline-block;vertical-align:middle;margin-right:8px}
a{color:var(--ink)}
footer{margin-top:48px;border-top:1px solid var(--line);padding-top:16px;color:var(--muted);font-size:13px}