:root{
  --bg:#f7f8f6; --surface:#ffffff; --fg:#1b2220; --muted:#5b6661; --line:#dfe4df; --accent:#1e6b58;
  --font:"IBM Plex Sans KR","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#131716; --surface:#1b201e; --fg:#e5ebe8; --muted:#9aa7a1; --line:#2d3531; --accent:#6cc4a8; color-scheme:dark}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);font-size:16px;line-height:1.7}
.wrap{max-width:760px;margin:0 auto;padding-inline:20px;padding-block:32px 48px}
header.site{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding-bottom:16px;border-bottom:1px solid var(--line)}
header.site a.brand{font-weight:700;font-size:1.1rem;color:var(--fg);text-decoration:none}
header.site nav{display:flex;gap:16px;font-size:.9rem}
a{color:var(--accent)}
h1{font-size:1.8rem;line-height:1.3;margin:32px 0 8px}
h2{font-size:1.2rem;margin:32px 0 8px}
p,li{max-width:66ch}
.lede{color:var(--muted);font-size:1.05rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px;margin-top:16px}
.card h3{margin:0 0 4px;font-size:1.05rem}
.meta{color:var(--muted);font-size:.85rem}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{border-bottom:1px solid var(--line);padding:8px;text-align:left;vertical-align:top}
footer.site{margin-top:48px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;display:flex;gap:16px;flex-wrap:wrap}