:root{
  --bg:#ffffff;
  --soft:#fbfbfa;
  --ink:#111515;
  --muted:#65706c;
  --quiet:#8a948f;
  --line:#e5e8e5;
  --line2:#eef0ee;
  --green:#0f8f7f;
  --green2:#0a6f64;
  --amber:#8f6515;
  --panel:#fff;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:ui-rounded,"Apple SD Gothic Neo","Noto Sans KR",system-ui,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;background:#fff;color:var(--ink);font-family:var(--sans)}
body{
  min-height:100vh;
  background:
    linear-gradient(#f7faf8 1px,transparent 1px),
    linear-gradient(90deg,#f7faf8 1px,transparent 1px),
    #fff;
  background-size:28px 28px;
}
a{color:inherit}
.doc-shell{width:min(980px,100%);margin:0 auto;padding:42px 22px 80px}
.doc-top{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:34px}
.doc-brand small{display:block;color:var(--green);font-size:11px;letter-spacing:.22em;text-transform:uppercase;font-weight:900}
.doc-brand b{display:block;font-size:15px;margin-top:7px}
.doc-nav{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.doc-nav a,.exit-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:32px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:#fff;
  text-decoration:none;color:#2a3431;font-size:12px;
}
.exit-btn{font-family:var(--mono);position:fixed;right:22px;top:18px;z-index:50}
.hero{
  border:1px solid var(--line);border-radius:24px;background:#fff;padding:28px;
  box-shadow:0 18px 54px rgba(18,24,24,.045);
}
.eyebrow{color:var(--green);font-size:11px;letter-spacing:.22em;text-transform:uppercase;font-weight:900}
h1{font-size:clamp(34px,5.6vw,62px);line-height:.98;letter-spacing:-.055em;margin:14px 0 10px}
.ko{font-size:clamp(17px,2.2vw,25px);color:#2d3633;margin-bottom:16px}
p{font-size:14.5px;line-height:1.78;color:#3b4743}
.lead{max-width:780px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}
.card{border:1px solid var(--line);border-radius:18px;background:#fff;padding:18px}
.card h2{font-size:17px;margin:0 0 9px;letter-spacing:-.015em}
.card p{font-size:13.5px;margin:0 0 14px;color:var(--muted)}
.card a,.btn{
  display:inline-flex;text-decoration:none;border:1px solid var(--line);border-radius:999px;background:#fff;
  padding:8px 11px;font-size:12px;margin:4px 6px 0 0;
}
.btn.dark,.card a.dark{background:#111515;color:#fff;border-color:#111515}
.rows{display:grid;gap:8px;margin-top:16px}
.row{border:1px solid var(--line);border-radius:15px;background:#fff;padding:14px}
.row b{display:block;font-size:13px;margin-bottom:6px}
.row span{display:block;font-size:13px;color:var(--muted);line-height:1.6}
.kv{display:grid;grid-template-columns:190px minmax(0,1fr);gap:10px;align-items:start}
.mono{font-family:var(--mono)}
pre{
  margin:12px 0 0;padding:16px;border-radius:16px;background:#111918;color:#dbe8e4;
  font-family:var(--mono);font-size:12px;line-height:1.62;white-space:pre-wrap;word-break:break-word;
}
.footer{
  margin-top:38px;text-align:center;color:rgba(20,25,25,.58);font-size:11px;line-height:1.72;
  border-top:1px solid rgba(20,25,25,.08);padding-top:18px;
}
.badge{
  display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:7px 10px;margin:4px 6px 4px 0;
  font-size:12px;color:#2a3431;background:#fff;
}
.badge.green{color:var(--green2)}
.badge.amber{color:var(--amber)}
@media(max-width:760px){
  .doc-shell{padding:34px 16px 60px}
  .doc-top{display:block}
  .doc-nav{justify-content:flex-start;margin-top:14px}
  .exit-btn{right:12px;top:10px}
  .hero{padding:22px}
  .grid{grid-template-columns:1fr}
  .kv{grid-template-columns:1fr}
  h1{font-size:38px}
}