:root {
  --text: #2A2A2A;
  --muted: #6B6B6B;
  --heading: #1A1A1A;
  --bg: #FFFFFF;
  --border: #E5E5E5;
  --table-head: #F7F7F7;
  --accent: #4A90E2;
}
@media (prefers-color-scheme: dark) {
  :root {
    --text: #E4E4E4;
    --muted: #9A9A9A;
    --heading: #FFFFFF;
    --bg: #161616;
    --border: #333333;
    --table-head: #222222;
    --accent: #7AB3F0;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
               "Pretendard", "Noto Sans KR", "Malgun Gothic", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 26px; color: var(--heading); margin: 0 0 8px; letter-spacing: -0.02em; }
.effective-date { color: var(--muted); font-size: 14px; margin: 0 0 24px; }
h2 {
  font-size: 18px; color: var(--heading);
  margin: 32px 0 12px; padding-top: 24px;
  border-top: 1px solid var(--border);
}
p, ul, ol { margin: 0 0 12px; font-size: 15px; }
ul, ol { padding-left: 20px; }
li { margin-bottom: 6px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.table-wrap { overflow-x: auto; margin: 0 0 16px; }
table { border-collapse: collapse; font-size: 13px; min-width: 640px; }
th, td { border: 1px solid var(--border); padding: 8px; text-align: left; vertical-align: top; }
th { background: var(--table-head); }
footer {
  margin-top: 40px; padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted); font-size: 13px; text-align: center;
}