:root {
  --bg: #f7f8f6;
  --card: #ffffff;
  --text: #1c2420;
  --dim: #5d6a63;
  --line: #dde3df;
  --accent: #1a8a4d;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1612;
    --card: #12211b;
    --text: #eef3f0;
    --dim: #a3b3ab;
    --line: #2a3b33;
    --accent: #45db80;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.75 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  word-break: keep-all;
}
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
nav { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-bottom: 24px; font-size: 15px; }
a { color: var(--accent); }
h1 { font-size: 28px; line-height: 1.3; margin: 0 0 8px; }
h2 { font-size: 19px; margin: 32px 0 8px; }
.dim { color: var(--dim); font-size: 14px; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: var(--card); }
ul, ol { padding-left: 22px; }
.box { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin: 16px 0; }