:root{--bg:#f7f4eb;--paper:#fffdf8;--ink:#171614;--muted:#747067;--line:#ded6c8;--blue:#2f84de;--green:#3f9f61;--red:#d94f45;--gold:#c58a21;--shadow:0 20px 55px #231e161f}*{box-sizing:border-box}html{background:var(--bg);min-height:100%;color:var(--ink)}body{background:linear-gradient(#ffffffeb,#f7f4ebf0),repeating-linear-gradient(90deg,#17161407 0 1px,#0000 1px 74px);min-height:100vh;margin:0;font-family:Avenir Next,Hiragino Sans,Hiragino Kaku Gothic ProN,PingFang SC,Noto Sans SC,sans-serif;overflow-x:hidden}button{font:inherit;color:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent;border:0}button:disabled{opacity:.45;cursor:default}h1,h2,p{margin:0}.app-shell{width:min(1140px,100% - 24px);min-height:100vh;padding:max(14px, env(safe-area-inset-top)) 0 calc(118px + env(safe-area-inset-bottom));margin:0 auto}.app-mark{border:1px solid var(--line);color:#47413b;letter-spacing:.08em;background:#fff;border-radius:999px;align-items:center;width:max-content;padding:7px 11px;font-size:12px;font-weight:950;display:inline-flex}.quiet-top{justify-content:space-between;align-items:flex-start;gap:12px;padding:8px 0 14px;display:flex}.quiet-top h1{letter-spacing:0;margin-top:8px;font-size:clamp(34px,8vw,68px);line-height:.98}.focus-card,.game-card,.result-card,.mistake-panel{border:1px solid var(--line);background:var(--paper);box-shadow:var(--shadow);border-radius:20px}.focus-card{text-align:center;align-content:center;gap:18px;min-height:360px;padding:clamp(20px,5vw,36px);display:grid}.xp-bar,.timer{background:#dedbd5;border-radius:999px;overflow:hidden}.xp-bar{height:10px}.xp-bar i,.timer-fill{transform-origin:0;background:var(--blue);width:100%;height:100%;display:block}.focus-copy{justify-items:center;gap:8px;display:grid}.focus-copy span{color:var(--gold);letter-spacing:.08em;font-size:22px}.focus-copy h2{color:var(--accent);font-size:clamp(44px,12vw,96px);line-height:1.1}.focus-copy p{max-width:22em;color:var(--muted);font-size:clamp(16px,4vw,22px);font-weight:850;line-height:1.5}.start-button{color:#fff;background:#1e1e1e;border-radius:24px;justify-self:center;min-width:min(100%,420px);min-height:82px;font-size:clamp(28px,7vw,48px);font-weight:950;box-shadow:0 20px 40px #231e1633}.focus-meta,.mode-strip,.scene-rail,.calm-stats{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.focus-meta span,.calm-stats span{color:var(--muted);background:#f5efe3;border-radius:999px;padding:7px 10px;font-size:13px;font-weight:900}.mode-strip{margin-top:14px}.text-button{border:1px solid var(--line);white-space:nowrap;background:#fff;border-radius:999px;min-height:42px;padding:0 14px;font-weight:950}.mode-pill{border:1px solid var(--line);min-height:46px;color:var(--muted);background:#fff;border-radius:999px;padding:0 15px;font-weight:950}.mode-pill.active{color:#fff;background:#1e1e1e;border-color:#1e1e1e}.scene-rail{scrollbar-width:none;flex-wrap:nowrap;justify-content:flex-start;margin:12px -12px 0;padding:0 12px 8px;overflow-x:auto}.scene-rail::-webkit-scrollbar{display:none}.scene-pill{border:1px solid var(--line);text-align:left;background:#fff;border-radius:16px;flex:0 0 150px;gap:4px;min-height:66px;padding:11px 12px;display:grid}.scene-pill strong{color:var(--accent);text-overflow:ellipsis;white-space:nowrap;font-size:15px;overflow:hidden}.scene-pill span{color:var(--gold);letter-spacing:.05em;font-size:12px}.scene-pill.active{border-color:color-mix(in srgb, var(--accent), #fff 35%);background:color-mix(in srgb, var(--accent), #fff 91%)}.calm-stats{margin-top:8px}.play-shell{padding-bottom:calc(124px + env(safe-area-inset-bottom))}.play-top{grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;padding:8px 0;display:grid}.play-top 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span{color:var(--muted)}.combo-line.fever{color:#fff;background:#1e1e1e;border-color:#1e1e1e}.combo-line.fever span{color:#ffd56f}.game-card{text-align:center;place-items:center;min-height:clamp(360px,50vh,590px);margin-top:12px;padding:clamp(20px,5vw,44px);display:grid;position:relative;overflow:hidden}.question-label{border:1px solid var(--line);color:var(--muted);background:#fff;border-radius:999px;place-self:start;padding:7px 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#231e1626}.answer.yes{background:var(--green)}.answer.no{background:var(--red)}.answer.ghost,.secondary-action{color:var(--ink);background:#fff}.result-shell{align-content:center;gap:14px;display:grid}.result-card{text-align:center;gap:16px;padding:clamp(22px,5vw,42px);display:grid}.result-card .app-mark{justify-self:center}.result-card h1{color:var(--accent);font-size:clamp(48px,12vw,96px);line-height:.95}.stars{color:var(--gold);letter-spacing:.08em;font-size:clamp(28px,8vw,52px)}.result-grid{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.result-grid p{background:#f7f0e4;border-radius:16px;gap:4px;padding:14px 10px;display:grid}.result-grid strong{font-size:clamp(24px,5vw,40px)}.result-grid span{color:var(--muted);font-weight:900}.result-actions{gap:10px;display:grid}.primary-action,.secondary-action{border:1px solid var(--line);border-radius:16px;min-height:58px;font-size:20px;font-weight:950}.primary-action{color:#fff;background:#1e1e1e}.mistake-panel{gap:8px;padding:16px;display:grid}.mistake-panel.empty{color:var(--muted);font-weight:850}.mistake-panel h2{font-size:20px}.mistake-panel p{border-top:1px solid #eee6da;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px;padding:9px 0;display:grid}.mistake-panel strong,.mistake-panel span{overflow-wrap:anywhere;min-width:0;line-height:1.35}.mistake-panel span{color:var(--muted);font-weight:850}@media (width<=860px){.result-grid{grid-template-columns:1fr}.focus-card{min-height:330px}.play-top{grid-template-columns:auto minmax(0,1fr) auto}.game-card{min-height:48vh}.feedback{width:100%;margin-top:8px;position:static}}@media (width<=520px){.app-shell{width:min(100% - 16px,1140px)}.quiet-top h1{font-size:clamp(34px,11vw,52px)}.focus-card{min-height:310px;padding:18px}.start-button{min-height:74px}.hud-row span{padding:8px 4px}.combo-line{justify-items:center;display:grid}.answer{min-height:68px}}