:root{--canvas:#F7F7F5;--card:#FFFFFF;--ink:#111111;--soft:#56565C;--line:#E4E4E0;--signal:#FF5B37}
@media (prefers-color-scheme:dark){:root{--canvas:#0E0E0F;--card:#1A1A1C;--ink:#F2F2F0;--soft:#A0A0A6;--line:#2A2A2E;--signal:#FF6E4E}}
*{box-sizing:border-box}
body{margin:0;background:var(--canvas);color:var(--ink);font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo",sans-serif;line-height:1.72;font-size:15px;word-break:keep-all;overflow-wrap:anywhere;-webkit-font-smoothing:antialiased}
main{max-width:640px;margin:0 auto;padding:40px 20px 64px}
h1{font-family:"New York","Iowan Old Style",Georgia,serif;font-weight:600;font-size:30px;line-height:1.3;margin:18px 0 6px}
h2{font-size:17px;margin:34px 0 10px}
p{margin:0 0 10px}
a{color:var(--ink);text-underline-offset:3px}
.muted{color:var(--soft);font-size:13px}
.lead{font-size:17px;color:var(--soft);margin-top:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;color:var(--ink)}
.brand img{width:36px;height:36px;border-radius:9px}
dl{margin:0}dt{font-weight:600;margin-top:12px}dd{margin:2px 0 0;color:var(--soft)}
ul{padding-left:20px;margin:6px 0 10px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px 20px;margin-top:14px}
.card h3{font-size:15px;margin:0 0 4px}
.card p{margin:0;color:var(--soft)}
.button{display:inline-block;margin-top:14px;padding:12px 22px;border-radius:999px;background:var(--ink);color:var(--canvas);font-weight:700;text-decoration:none}
footer{margin-top:40px;padding-top:18px;border-top:1px solid var(--line)}
footer a{margin-right:16px}