.quiz{max-width:760px;margin:0 auto}
.quiz-card{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);padding:clamp(18px,4vw,36px);box-shadow:var(--shadow)}
.quiz-card h2{margin-top:0}
.quiz-rules{padding-left:1.2em;color:var(--ink-soft);line-height:1.6}
.quiz-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.quiz-count{color:var(--ink-muted);font-size:.95rem}
.quiz-timer{font-variant-numeric:tabular-nums;font-weight:700;font-size:1.25rem;color:var(--vermilion);border:1px solid var(--vermilion);border-radius:999px;padding:4px 14px;display:inline-flex;gap:6px;align-items:center}
.quiz-timer.warn{background:var(--vermilion);color:var(--on-accent)}
.quiz-progress{height:8px;background:var(--washi-deep);border-radius:99px;overflow:hidden;margin-bottom:22px}
.quiz-progress span{display:block;height:100%;background:linear-gradient(90deg,#ffc400,var(--vermilion));transition:width .3s var(--ease)}
.quiz-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.quiz-q{font-size:clamp(1.1rem,2.6vw,1.4rem);line-height:1.4;margin:0 0 18px;overflow-wrap:anywhere}
.quiz-opts{display:grid;gap:10px;list-style:none;padding:0;margin:0}
.quiz-opt{width:100%;text-align:left;background:var(--washi);color:var(--ink);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:14px 16px;font:inherit;cursor:pointer;display:flex;gap:12px;align-items:flex-start;transition:border-color .2s,background .2s;overflow-wrap:anywhere}
.quiz-opt:hover,.quiz-opt:focus-visible{border-color:var(--vermilion);background:var(--vermilion-soft);outline:none}
.quiz-opt.is-sel{border-color:var(--vermilion);background:var(--vermilion-soft)}
.quiz-opt.is-sel b{background:var(--vermilion);color:var(--on-accent)}
.quiz-nav{margin-top:16px;display:flex}
.quiz-opt b{flex:0 0 28px;height:28px;border-radius:50%;border:1px solid var(--vermilion);color:var(--vermilion);display:grid;place-items:center;font-size:.9rem}
.quiz-result-head{display:grid;grid-template-columns:200px 1fr;gap:24px;align-items:center}
.quiz-result-head svg{width:100%;height:auto;max-width:200px}
.quiz-score{font-size:3rem;font-weight:800;color:var(--vermilion);line-height:1}
.quiz-tier{font-size:1.5rem;margin:.3em 0 .05em}
.quiz-tier-sub{font-size:1rem;color:var(--ink-muted);margin:0 0 .7em;letter-spacing:.04em}
.quiz-sub{margin-top:28px}
.quiz-bars{display:grid;gap:10px}
.quiz-bar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 10px;font-size:.95rem}
.quiz-bar i{grid-column:1/-1;height:6px;background:var(--washi-deep);border-radius:9px;overflow:hidden}
.quiz-bar i span{display:block;height:100%;background:var(--vermilion)}
.quiz-links{padding-left:1.2em;line-height:1.8}
.quiz-links a{color:var(--vermilion)}
.quiz-share{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.quiz-review{list-style:none;padding:0;display:grid;gap:12px}
.quiz-review li{border-left:3px solid var(--vermilion);background:var(--washi);padding:12px 14px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;overflow-wrap:anywhere}
.quiz-review .bad{color:#ff6b5b}.quiz-review .good{color:#7fd47f}
.quiz-center{text-align:center}
.quiz-center svg{width:140px;height:auto}
@media (max-width:600px){.quiz-result-head{grid-template-columns:1fr;text-align:center}.quiz-result-head svg{margin:0 auto;max-width:160px}.quiz-share .btn{flex:1 1 45%}}

.quiz-top-right{display:flex;align-items:center;gap:8px}
.quiz-sound{flex:0 0 auto;width:40px;height:40px;padding:0;border:1px solid var(--border-strong);border-radius:999px;background:transparent;color:var(--ink);font-size:1.15rem;line-height:1;cursor:pointer;display:inline-grid;place-items:center;transition:border-color .2s,background .2s}
.quiz-sound:hover,.quiz-sound:focus-visible{border-color:var(--vermilion);background:var(--vermilion-soft);outline:none}
.quiz-sound[aria-pressed="false"]{opacity:.75}

.quiz-board{margin-top:20px}
.quiz-board-title{font-size:1.25rem;margin:0 0 12px;color:var(--vermilion)}
.quiz-board-wrap{overflow-x:auto}
.quiz-board-table{width:100%;border-collapse:collapse;font-size:.95rem;font-variant-numeric:tabular-nums}
.quiz-board-table th,.quiz-board-table td{padding:8px 6px;border-bottom:1px solid var(--border);text-align:left}
.quiz-board-table th{color:var(--ink-muted);font-weight:600;font-size:.85rem}
.quiz-board-table th:first-child,.quiz-board-table td:first-child{width:2.2em;color:var(--vermilion);font-weight:700}
.quiz-board-table th:nth-child(n+3),.quiz-board-table td:nth-child(n+3){text-align:right;white-space:nowrap}
.quiz-board-nick{overflow-wrap:anywhere;word-break:break-word}
.quiz-board-table tbody tr:first-child td{color:var(--vermilion);font-weight:700}
.quiz-rate{margin-top:18px;padding-top:14px;border-top:1px solid var(--border);max-width:460px}
.quiz-rate-label{display:block;font-size:.85rem;color:var(--ink-muted);margin-bottom:6px}
.quiz-rate-row{display:flex;gap:8px;flex-wrap:wrap}
.quiz-rate-row input{flex:1 1 160px;min-width:0;background:var(--washi);color:var(--ink);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:9px 12px;font:inherit;font-size:.95rem}
.quiz-rate-row input:focus{outline:none;border-color:var(--vermilion)}
.quiz-rate-row .btn{flex:0 0 auto}
.quiz-rate-note{font-size:.8rem;color:var(--ink-muted);margin:6px 0 0}
.quiz-rate-msg{font-size:.9rem;margin:6px 0 0;color:var(--vermilion)}
.quiz-rate-msg:empty{display:none}
@media (max-width:600px){.quiz-board-table{font-size:.88rem}.quiz-board-table th,.quiz-board-table td{padding:7px 4px}.quiz-rate-row .btn{flex:1 1 100%}}
.quiz-rate-cnt{float:right;font-variant-numeric:tabular-nums}
.quiz-board-medal{font-size:1.35em;line-height:1}
.quiz-board-top td{font-weight:600}
.quiz-board-top1 td{background:rgba(255,200,0,.10)}
.quiz-board-top2 td{background:rgba(200,200,210,.08)}
.quiz-board-top3 td{background:rgba(205,127,50,.09)}

.quiz-best{margin:.25rem 0 0;font-weight:600}
.quiz-best-new{display:inline-block;margin:.35rem 0 0;padding:.15rem .55rem;border-radius:999px;background:#b8860b;color:#fff;font-size:.8rem;font-weight:600}
.quiz-best-mini{margin:.6rem 0 0;font-size:.85rem;opacity:.75}
.quiz-toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:9999;padding:10px 18px;border-radius:999px;background:#111;color:#fff;font-size:.95rem;box-shadow:0 4px 16px rgba(0,0,0,.3);transition:opacity .4s}
.quiz-toast.is-out{opacity:0}
.quiz-champ{margin:-.25rem 0 .75rem;font-size:.95rem;font-weight:600;color:#e0a800}