:root {
  --bg: #061a0f;
  --surface: #0c2618;
  --line: #24463a;
  --text: #e8f2ec;
  --muted: #9fb8aa;
  --accent: #6fdc3a;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
main { max-width: 760px; margin: 0 auto; padding: 40px 20px 64px; }
h1 { font-size: 30px; line-height: 1.3; margin: 0 0 6px; }
h2 { font-size: 19px; margin: 36px 0 10px; padding-top: 12px; border-top: 1px solid var(--line); }
a { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--text); outline-offset: 2px; }
.crumb { margin: 0 0 8px; font-size: 14px; }
.meta { color: var(--muted); margin: 0 0 24px; font-size: 14px; }
.lead { font-size: 18px; }
.callout { background: var(--surface); border-left: 4px solid var(--accent); padding: 14px 18px; border-radius: 6px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; display: block; overflow-x: auto; }
th, td { text-align: left; vertical-align: top; padding: 9px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; white-space: nowrap; }
ul { padding-left: 22px; }
li { margin: 4px 0; }
.button { display: inline-block; background: var(--accent); color: var(--bg); text-decoration: none; font-weight: 700; padding: 10px 18px; border-radius: 6px; }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }