:root{--paper:#e4e8e1;--sheet:#f6f7f3;--ink:#1f2522;--muted:#5d6760;--rule:#c4533f}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.75 "IBM Plex Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif}
main{max-width:760px;margin:0 auto;padding:32px 20px 60px}
.sheet{background:var(--sheet);border-radius:10px;padding:28px 26px;box-shadow:0 10px 30px -14px rgba(40,50,70,.3)}
a{color:var(--rule)}
h1{font-size:28px;margin:0 0 4px}
h2{font-size:18px;margin:28px 0 6px}
p,li{font-size:15px}
.muted{color:var(--muted);font-size:13px}
nav{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:18px;font-size:14px}
table{border-collapse:collapse;width:100%;font-size:14px;margin:8px 0}
th,td{border:1px solid #cfd6cd;padding:8px 10px;text-align:left;vertical-align:top}
th{background:#eceee8;font-weight:600}