:root{--bg0:#07131a;--bg1:#103040;--accent:#38bdf8;--accent2:#ffd23f;--good:#34d399;--bad:#fb7185;--ink:#eef7fb;--muted:#94b2c2;--card:#ffffff0f;--card-border:#ffffff26}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0}body{color:var(--ink);background:radial-gradient(130% 130% at 50% 0%, var(--bg1) 0%, var(--bg0) 65%);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,Meiryo,sans-serif;overflow-x:hidden}.wrap{flex-direction:column;max-width:600px;min-height:100vh;margin:0 auto;padding:16px 16px 36px;display:flex}.hud{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.lives{font-size:18px}.hud .box{text-align:center}.hud .label{color:var(--muted);font-size:10px}.hud .val{font-size:20px;font-weight:900}.combo .val{color:var(--accent)}.scenewrap{flex-direction:column;flex:1;justify-content:center;gap:18px;display:flex}.scenetag{color:var(--muted);letter-spacing:1px;text-align:center;font-size:12px}.scene{background:var(--card);border:1px solid var(--card-border);border-radius:18px;padding:24px 20px;font-size:19px;line-height:1.9;animation:.3s pop;box-shadow:0 14px 32px #0000004d}.qtag{text-align:center;color:var(--accent2);font-size:14px;font-weight:800;animation:.3s pop}.qtext{text-align:center;margin:4px 0 8px;font-size:23px;font-weight:900;line-height:1.5}.choices{gap:12px;display:grid}.choice{appearance:none;border:1px solid var(--card-border);color:var(--ink);cursor:pointer;background:#ffffff0d;border-radius:14px;padding:16px;font-family:inherit;font-size:18px;font-weight:700;transition:transform 80ms,background .15s,border .15s}.choice:active{transform:scale(.97)}.choice:disabled{cursor:default}.choice.correct{border-color:var(--good);background:#34d39938}.choice.wrong{border-color:var(--bad);background:#fb718538}.reveal{text-align:center;margin-top:14px;font-size:16px;font-weight:800;animation:.25s pop}.reveal.ok{color:var(--good)}.reveal.ng{color:var(--bad)}.actions{justify-content:center;margin-top:14px;display:flex}.center{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;display:flex}.logo{letter-spacing:3px;color:var(--muted);font-size:12px}.title{background:linear-gradient(135deg, var(--accent), var(--accent2));color:#0000;-webkit-background-clip:text;background-clip:text;font-size:40px;font-weight:900;line-height:1.15}.lead{color:var(--muted);max-width:380px;font-size:15px;line-height:1.8}.rules{text-align:left;background:var(--card);border:1px solid var(--card-border);border-radius:16px;max-width:400px;padding:16px 18px;font-size:14px;line-height:1.9}.rules b{color:var(--accent2)}.bignum{background:linear-gradient(135deg, var(--accent), var(--accent2));color:#0000;-webkit-background-clip:text;background-clip:text;font-size:80px;font-weight:900;line-height:1;animation:.5s cubic-bezier(.2,1.4,.4,1) pop}.subline{color:var(--muted);font-size:14px;line-height:1.7}.best{color:var(--accent2);font-weight:800}.btn{appearance:none;cursor:pointer;color:#07131a;background:linear-gradient(135deg, var(--accent), var(--accent2));border:none;border-radius:14px;padding:16px 24px;font-family:inherit;font-size:18px;font-weight:800;transition:transform 80ms;box-shadow:0 10px 24px #38bdf84d}.btn:active{transform:translateY(2px)scale(.99)}.btn.ghost{color:var(--ink);border:1px solid var(--card-border);box-shadow:none;background:0 0}.footer{text-align:center;color:var(--muted);margin-top:16px;font-size:11px;line-height:1.6}.frame{aspect-ratio:1;background:linear-gradient(#bfe7ff 0%,#d8f5e0 58%,#c7eecb 100%);border:3px solid #ffffff40;border-radius:20px;width:100%;max-width:380px;margin:0 auto;animation:.3s pop;position:relative;overflow:hidden;box-shadow:0 16px 36px #00000059}.obj{transform:translate(-50%, -50%) rotate(var(--rot,0deg));filter:drop-shadow(0 2px 2px #0000002e);font-size:34px;line-height:1;position:absolute}.choice.emoji{padding:14px;font-size:40px}@keyframes pop{0%{opacity:0;transform:translateY(8px)scale(.98)}to{opacity:1;transform:none}}