/* A4 print styles */
@page { size: A4; margin: 18mm; }
*{box-sizing:border-box} html,body{margin:0;padding:0;font-family:Inter,Arial,system-ui,sans-serif;color:#1a1a1a}
.sheet{display:block}
.head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
h1{font-size:20px;margin:0}
.rules{margin:0 0 12px 18px}
.rules li{margin:6px 0;font-size:14px}
.info h2{font-size:16px;margin:12px 0 6px}
.info ul{margin:0 0 12px 18px}
.info li{margin:4px 0;font-size:13px}
.note{font-size:12px;color:#333}
.foot{border-top:1px solid #ddd;margin-top:12px;padding-top:8px;font-size:11px;color:#555}
@media screen{
  body{background:#fafafa}
  .sheet{max-width:720px;margin:24px auto;background:#fff;border:1px solid #eee;border-radius:12px;padding:18px 18px 12px;box-shadow:0 8px 30px rgba(0,0,0,.08)}
}