:root {
  --bg: #f7f7f5; --card: #ffffff; --text: #1c1d21; --muted: #666a73; --line: #e3e3de; --accent: #4b5bd6;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1117; --card: #181b24; --text: #e8e9ee; --muted: #9a9fad; --line: #2a2e3a; --accent: #8b97ff; }
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  background: var(--bg); color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  line-height: 1.65;
}
.wrap { width: 100%; max-width: 760px; margin: 0 auto; padding: 72px 20px 40px; flex: 1; }
.tag {
  display: inline-block; margin: 0 0 14px; padding: 3px 10px; border: 1px solid var(--line); border-radius: 999px;
  color: var(--muted); font-size: 13px;
}
h1 { margin: 0 0 10px; font-size: clamp(32px, 7vw, 48px); line-height: 1.15; letter-spacing: -0.02em; }
h2 { margin: 28px 0 8px; font-size: 18px; }
.lead { margin: 0 0 36px; color: var(--muted); font-size: 18px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
.card h2 { margin: 0 0 6px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
a { color: var(--accent); }
.foot { padding: 20px; text-align: center; border-top: 1px solid var(--line); font-size: 14px; }
.doc h1 { font-size: 30px; }
.doc p, .doc li { font-size: 15.5px; }
.doc table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.doc th, .doc td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.doc .scroll { overflow-x: auto; }
.notice { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 8px; padding: 12px 16px; font-size: 14.5px; }
.fill { background: rgba(255, 200, 0, .28); padding: 0 4px; border-radius: 3px; }