.rule-page{padding:92px 24px 48px;background:#fff;min-height:100vh}
.rule-inner{max-width:1040px;margin:0 auto}
.rule-nav{display:flex;align-items:center;gap:22px;font-size:14px;color:#777;margin-bottom:34px}
.rule-nav>a{color:#333;border-bottom:1px solid #ccc;padding-bottom:3px}
.rule-nav #ruleStar{margin-left:auto}
.rule-header{margin-bottom:18px}
.rule-version{font-size:14px;color:#777;margin:0 0 12px}
.rule-header h1{font-size:clamp(36px,5vw,52px);letter-spacing:-.045em;line-height:1.15;outline:none}
.rule-suit{font-size:26px;margin-left:18px;vertical-align:middle}
.red{color:#cf3a47}
.rule-meta{display:flex;gap:12px;flex-wrap:wrap;color:#73737a;font-size:14px;margin-top:18px}
.rule-meta span+span{border-left:1px solid #ddd;padding-left:12px}
.rule-goal{font-size:22px;line-height:1.6;letter-spacing:-.03em;margin:26px 0 30px;max-width:850px}
.quick-rule-grid{display:grid;grid-template-columns:1fr 1.5fr 1fr;gap:28px;padding:28px 0;border-top:1px solid #ddd;border-bottom:1px solid #ddd}
.rule-inner h2{font-size:17px;letter-spacing:-.02em;margin:0 0 16px}
.rule-block h2 span{font-size:12px;font-weight:500;color:#8c8c92;margin-right:8px}
.rule-block p,.rule-steps{font-size:16px;line-height:1.85;margin:0;color:#44444a}
.rule-steps{padding-left:20px}.rule-steps li+li{margin-top:8px}
.rule-win{background:#f6f6f7;border-radius:18px;padding:18px;margin:-6px 0}
.rule-visual{margin:30px 0}
.rules-table{width:100%;border-collapse:collapse;font-size:15px;text-align:left}
.rules-table th,.rules-table td{padding:11px 16px;border-bottom:1px solid #ececee}
.rules-table thead th{font-size:14px;color:#73737a;background:#f6f6f7;font-weight:500}
.rules-table tbody th{font-weight:600;width:30%}
.rank-grid{display:grid;grid-template-columns:1fr 1fr;grid-auto-flow:row;list-style:none;padding:0;margin:0;border:1px solid #e7e7ea;border-radius:20px;overflow:hidden}
.rank-row{display:flex;align-items:flex-start;gap:13px;padding:16px 20px;border-bottom:1px solid #eee}
.rank-row:nth-child(odd){border-right:1px solid #eee}
.rank-row:nth-last-child(-n+2){border-bottom:0}
.rank-number{font-size:13px;color:#888;min-width:16px;padding-top:3px;font-variant-numeric:tabular-nums}
.rank-row strong{font-size:15px;font-weight:600;display:block}.rank-row p{font-size:13px;color:#777;margin:5px 0 9px}
.card-diagram{display:inline-flex;gap:5px;vertical-align:middle}
.playing-card{display:inline-flex;flex-direction:column;justify-content:space-between;align-items:center;width:34px;height:46px;border:1px solid #dcdce1;border-radius:6px;background:#fff;padding:4px 3px;font-size:14px;font-weight:600;box-shadow:0 2px 2px #00000004;line-height:1.1;flex-shrink:0}
.playing-card span:last-child{font-size:15px;font-weight:400}
.card-ellipsis{align-self:center;padding:0 4px}
.meld-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.meld-row{padding:18px;border:1px solid #e7e7ea;border-radius:16px}.meld-row p{font-size:14px;color:#666;margin:0 0 13px;line-height:1.6}.meld-row .card-diagram+.card-diagram{margin-left:10px}
.rule-example{display:flex;align-items:center;justify-content:space-between;gap:24px;background:#f8f8f9;padding:22px 24px;border-radius:18px;margin:30px 0}
.rule-example h2{margin-bottom:6px}.rule-example p{color:#666;font-size:14px;line-height:1.6;margin:0}.example-cards{display:flex;align-items:center;gap:10px;flex-shrink:0}.example-separator{color:#aaa}
.rule-details{margin-top:36px}.rule-details>h2{font-size:15px;color:#777;font-weight:500}
.rule-details details{border-bottom:1px solid #e7e7ea}
.rule-details summary{cursor:pointer;font-size:15px;font-weight:500;list-style:none;display:flex;justify-content:space-between;align-items:center;padding:18px 2px;gap:12px}
.rule-details summary::-webkit-details-marker{display:none}.rule-details summary:focus-visible{outline:2px solid #2275d3;outline-offset:3px}
.detail-plus{font-size:22px;font-weight:400;color:#999;transition:transform .2s}.rule-details details[open] .detail-plus{transform:rotate(45deg)}
.rule-details details>p,.rule-details ul{font-size:15px;line-height:1.9;color:#666;margin:0;padding:0 2px 20px;max-width:820px}.rule-details ul{padding-left:22px}.rule-details a{text-decoration:underline;text-underline-offset:3px}
.rule-footer{display:flex;justify-content:space-between;font-size:13px;color:#999;padding-top:32px}
.game-title-link{border:0;padding:0;background:none;text-align:left;letter-spacing:inherit;font-weight:inherit;font-size:inherit;color:inherit}.game-title-link:hover{text-decoration:underline;text-underline-offset:5px}
.rule-open{font-size:14px;border:0;background:none;color:#333;padding:0;text-align:left;margin-top:16px}
@media(max-width:700px){.rule-page{padding:86px 20px 36px}.rule-nav{margin-bottom:26px;gap:15px}.rule-goal{font-size:20px;margin:22px 0}.quick-rule-grid{grid-template-columns:1fr;gap:24px;padding:24px 0}.rule-win{padding:18px;margin:0}.rank-grid{grid-template-columns:1fr}.rank-row:nth-child(odd){border-right:0}.rank-row:nth-last-child(2){border-bottom:1px solid #eee}.rank-row{padding:16px}.meld-grid{grid-template-columns:1fr}.rule-example{flex-direction:column;align-items:flex-start;padding:20px;gap:16px}.rule-meta{gap:8px}.rule-meta span+span{padding-left:8px}.rule-nav #ruleStar{display:flex}.rule-meta span{font-size:13px}}
@media print{.topbar,.rule-nav,.rule-footer,.rule-details{display:none!important}.rule-page{padding:0}.rule-inner{max-width:none}.playing-card{box-shadow:none}.rule-visual{break-inside:avoid}.quick-rule-grid{gap:15px}.rule-goal{font-size:18px}.rank-row{padding:9px 12px}.rule-header h1{font-size:32px}}