*{box-sizing:border-box}body{margin:0;background:#f4f3fb;color:#22213b;font-family:system-ui,-apple-system,"Noto Sans KR",sans-serif}main{max-width:760px;margin:auto;padding:20px 16px 60px}header{display:flex;justify-content:space-between;margin-bottom:24px}a{color:#6551c9;text-decoration:none}.hero{padding:28px;border-radius:26px;background:linear-gradient(130deg,#7024e6,#405eea);color:white}.hero h1{font-size:clamp(1.7rem,6vw,2.5rem);margin:12px 0}.hero p{line-height:1.6;opacity:.9}.hero small{letter-spacing:.15em}.card{padding:24px;background:white;border:1px solid #e8e5f4;border-radius:24px;margin-top:18px;box-shadow:0 8px 30px #2c215509}.card h2{margin-top:0}label{display:block;margin:16px 0 6px;font-weight:700}input,select,button{font:inherit;border-radius:13px;padding:14px;width:100%;border:1px solid #ded9ed}input,select{background:#faf9ff;color:#29213e}button{background:#6b3ce9;color:#fff;border:none;font-weight:800;cursor:pointer;margin-top:12px;touch-action:manipulation}button:disabled{opacity:.45;cursor:default}.secondary{background:#eceaf7;color:#4b4267}p{line-height:1.6}#notice{color:#7c3a24;min-height:0}#notice:empty{display:none}.row{display:flex;gap:10px}#qr{text-align:center;margin:20px auto}#qr svg{max-width:100%;height:auto;width:230px}.player{padding:14px;background:#f5f3fd;border-radius:14px;margin:10px 0;display:flex;justify-content:space-between;gap:10px}.muted{font-size:.84rem;color:#77718b}.scoreboard{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px;font-weight:800}.scoreboard span:last-child{text-align:right}#clock{font-size:2rem;color:#6d3bea}.countdown{font-size:5rem;text-align:center;color:#6d3bea;font-weight:950}#question-wrap{text-align:center;margin:24px 0 0}#question{font-size:clamp(1.5rem,6vw,2.2rem);overflow-wrap:anywhere;line-height:1.5}#options{display:grid;grid-template-columns:1fr 1fr;gap:10px}#options button{min-height:70px;background:#f4f0ff;color:#453467;border:2px solid #e4dbfa;margin:0}#options button:focus-visible{outline:3px solid #9068ff}#feedback{min-height:28px;color:#583ab6;font-weight:800}.medal{font-size:3rem;text-align:center}#result{text-align:center}#result-score{font-size:2rem;font-weight:900;color:#6d3bea}.result-ad{min-height:100px;max-width:100%;overflow:hidden;margin:24px auto}.home{display:block;margin:20px auto}#history-list{padding:0;list-style:none}#history-list li{padding:12px 0;border-top:1px solid #eeeaf5;font-size:.9rem}[hidden]{display:none!important}@media(max-width:440px){.card{padding:18px}.scoreboard{font-size:.85rem}.row{flex-direction:column;gap:0}#options{grid-template-columns:1fr}}