:root{color-scheme:dark;--bg:#161a30;--panel:#23283f;--paper:#fff5e2;--ink:#151a2f;--text:#fff8e9;--sub:#c4c9dc;--accent:#92ecda;--line:#48516b;--danger:#ffb4bb;font-family:Meiryo,'Yu Gothic',sans-serif}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden}body{background:var(--bg);color:var(--text)}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation}button:disabled{cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}.app-shell{height:100dvh;display:grid;grid-template-rows:auto minmax(0,1fr) auto;min-width:0;overflow:hidden;background:radial-gradient(ellipse at 15% 0,#34324e,transparent 58%),var(--bg)}.topbar{display:flex;gap:10px;align-items:center;padding:12px 22px;border-bottom:1px solid #ffffff18;min-width:0}.brand{border:0;padding:0;background:transparent;font-weight:700;letter-spacing:.02em;font-size:18px;text-align:left;min-width:0}.brand span{color:var(--accent);font-size:.76em;white-space:nowrap}.preview-badge{font-size:10px;border:1px solid #6c718a;color:var(--sub);border-radius:4px;padding:2px 6px;white-space:nowrap}.sound{margin-left:auto;font-size:12px;background:#ffffff0a;border:1px solid var(--line);border-radius:20px;padding:7px 12px;white-space:nowrap}main{overflow:auto;min-height:0;min-width:0;overscroll-behavior:contain;scrollbar-gutter:stable;padding:24px}.footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 24px calc(12px + env(safe-area-inset-bottom));background:#15192ded;border-top:1px solid #ffffff18;min-width:0}.footer small{font-size:10px;color:var(--sub)}.footer .next,.footer .hint-button{margin-left:auto;min-width:160px}.wrap{max-width:1100px;margin:0 auto;width:100%;min-width:0}.home{display:grid;grid-template-columns:1.04fr 1fr;gap:36px;align-items:center;min-height:100%;padding:5px 0}.eyebrow{font-size:12px;letter-spacing:.17em;color:var(--accent);font-weight:700;margin:0 0 15px}.home h1{font-size:clamp(32px,4.5vw,60px);line-height:1.35;letter-spacing:.04em;margin:0 0 18px}.intro{color:var(--sub);line-height:1.9;font-size:14px;margin:0 0 24px}.hero-art{height:clamp(240px,58dvh,560px);position:relative;border-radius:48% 48% 18% 18%;background:var(--paper);overflow:hidden}.hero-art:before{content:'？';font-size:150px;font-weight:700;color:#e7c8a6;position:absolute;left:37%;top:22%}.hero-art img{position:absolute;bottom:-8%;width:59%;height:97%;object-fit:contain;filter:drop-shadow(0 12px 20px #26213825)}.hero-art img:first-child{left:-6%;transform:rotate(-6deg)}.hero-art img:last-child{right:-5%;transform:rotate(6deg)}.level-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:20px}.level-card{min-width:0;border:1px solid var(--line);border-radius:14px;background:#242a42;padding:16px 8px;text-align:center;line-height:1.8}.level-card[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent);background:#2e394b}.level-card strong{display:block;font-size:20px}.level-card span{font-size:11px;color:var(--sub)}.primary,.secondary,.hint-button,.next{border:0;border-radius:10px;padding:13px 20px;font-weight:700;min-height:48px}.primary,.next{background:var(--accent);color:var(--ink)}.primary:hover,.next:hover{filter:brightness(1.07)}.primary.big{width:100%;font-size:18px}.secondary,.hint-button{background:#ffffff08;border:1px solid var(--line);color:var(--text)}.note{font-size:11px;line-height:1.8;color:var(--sub);margin:16px 0 0}.rules{margin:0 0 22px;display:flex;gap:8px;flex-wrap:wrap}.rules span{border:1px solid var(--line);border-radius:20px;padding:5px 11px;font-size:12px;color:var(--sub)}.quiz-header{display:flex;align-items:center;gap:12px;margin:0 0 14px}.level-pill{background:var(--accent);color:var(--ink);font-size:12px;font-weight:700;border-radius:6px;padding:4px 11px}.question-count{font-weight:700;font-size:17px}.total-score{margin-left:auto;color:var(--sub);font-size:13px}.progress{height:5px;border-radius:4px;background:#ffffff19;margin:0 0 18px;overflow:hidden}.progress i{display:block;height:100%;background:var(--accent);transition:width .22s}.quiz-grid{display:grid;grid-template-columns:minmax(0,1.03fr) minmax(0,1fr);gap:28px;align-items:start}.portrait{margin:0;min-width:0;border-radius:24px;overflow:hidden;background:var(--paper);height:clamp(180px,64dvh,650px);display:flex;align-items:center;justify-content:center}.portrait canvas{display:block;max-width:100%;width:100%;height:100%}.question-side{min-width:0;padding:14px 0}.stage-label{font-size:13px;letter-spacing:.1em;color:var(--accent);margin:0 0 10px;font-weight:700}.question-side h2{font-size:clamp(25px,3.2vw,38px);line-height:1.45;margin:0 0 18px;overflow-wrap:anywhere}.question-side .help{font-size:13px;color:var(--sub);line-height:1.8;margin:0 0 20px}.options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.option{position:relative;border:1px solid #606b86;border-radius:12px;background:#272e47;min-height:76px;padding:14px 12px;overflow-wrap:anywhere;line-height:1.6;font-size:15px;font-weight:700;text-align:left;display:flex;gap:8px;align-items:center;min-width:0}.option .key{display:inline-grid;place-items:center;flex:0 0 20px;height:22px;border:1px solid #6e7892;border-radius:4px;color:#c9cede;font-size:10px}.option:hover:not(:disabled){background:#354159;border-color:var(--accent)}.option.wrong{opacity:.55;border-color:var(--danger)}.option.correct{background:#315049;border-color:var(--accent)}.option:disabled:not(.correct):not(.wrong){opacity:.6}.feedback{min-height:34px;margin:15px 0 0;font-size:13px;line-height:1.8;color:var(--sub)}.feedback.success{color:var(--accent);font-weight:700}.answer-name{color:var(--accent)}.reading{font-size:13px;color:var(--sub);margin:-4px 0 17px;overflow-wrap:anywhere}.fact{font-size:17px;line-height:1.9;border-top:1px solid var(--line);padding-top:15px;margin-top:15px;overflow-wrap:anywhere}.work{font-size:12px;color:var(--sub);margin-top:16px}.points-earned{font-size:15px;font-weight:700;margin:0 0 10px}.answer-options{margin-top:20px}.answer-options .option{min-height:55px;font-size:12px;padding:9px}.result{max-width:800px;text-align:center;margin:0 auto;padding:12px 0}.result h1{font-size:clamp(25px,4vw,39px);margin:9px 0 12px}.result-label{color:var(--accent);font-weight:700;font-size:13px}.score{font-size:clamp(56px,8vw,88px);font-weight:700;line-height:1.25;letter-spacing:-.04em}.score small{font-size:.24em;letter-spacing:normal;color:var(--sub)}.correct-count{color:var(--sub);font-size:15px;margin:5px 0 21px}.breakdown{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;max-width:540px;margin:0 auto 22px}.breakdown div{background:#ffffff06;border:1px solid var(--line);border-radius:12px;padding:12px 5px;font-size:11px;color:var(--sub)}.breakdown strong{display:block;color:var(--text);font-size:22px;margin-bottom:2px}.result-art{height:130px;margin:4px 0 15px;display:flex;justify-content:center;gap:8px}.result-art img{height:100%;max-width:32%;object-fit:contain;animation:float .9s ease both}.result-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:16px 0}.records-note{font-size:12px;color:var(--sub);line-height:1.8;min-height:24px}.review{border:1px solid var(--line);border-radius:12px;margin-top:25px;text-align:left;background:#ffffff04}.review summary{padding:15px 18px;cursor:pointer;font-weight:700;font-size:14px}.review ol{list-style:none;padding:0 18px;margin:0}.review li{padding:12px 0;border-top:1px solid #ffffff18;display:grid;grid-template-columns:1fr auto;gap:12px;font-size:13px;align-items:center;min-width:0}.review li span{overflow-wrap:anywhere}.review li small{display:block;color:var(--sub);font-size:11px;margin-top:5px}.review b{color:var(--accent);white-space:nowrap}.loading,.error{padding:35px;text-align:center;color:var(--sub);line-height:1.9}.error button{margin-top:20px}.confirm-dialog{border:1px solid var(--line);background:var(--panel);color:var(--text);padding:25px;max-width:min(420px,90vw);border-radius:18px}.confirm-dialog::backdrop{background:#080c20bc}.confirm-dialog p{font-size:14px;line-height:1.8}.confirm-dialog .result-actions{margin-bottom:0}a{color:var(--accent)}@keyframes float{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:759px){.topbar{padding:10px 14px;gap:8px}.brand{font-size:15px}.sound{font-size:10px;padding:6px 9px}main{padding:16px 14px}.footer{padding:9px 14px calc(9px + env(safe-area-inset-bottom));gap:8px}.footer small{max-width:43%;font-size:8px;line-height:1.6}.footer .next,.footer .hint-button{min-width:140px;min-height:44px;font-size:13px;padding:9px 13px}.home{grid-template-columns:1fr;gap:20px;max-width:540px;align-content:start;padding:0}.hero-art{height:clamp(150px,25dvh,240px);grid-row:1;border-radius:22px}.hero-art img{width:48%;height:117%;bottom:-15%}.hero-art img:first-child{left:1%;transform:rotate(-6deg)}.hero-art img:last-child{right:1%;transform:rotate(6deg)}.hero-art:before{font-size:90px;left:42%;top:10%}.home h1{font-size:31px;line-height:1.3;margin-bottom:12px}.eyebrow{margin-bottom:10px;font-size:10px}.intro{font-size:12px;margin-bottom:16px}.level-card{padding:10px 5px}.level-card strong{font-size:17px}.level-grid{margin-bottom:16px;gap:8px}.rules{margin-bottom:16px;gap:5px}.rules span{font-size:10px;padding:4px 8px}.quiz-header{gap:8px;margin-bottom:10px}.question-count{font-size:15px}.total-score{font-size:11px}.progress{margin-bottom:13px}.quiz-grid{grid-template-columns:1fr;gap:14px}.portrait{height:clamp(96px,38dvh,380px);border-radius:18px}.question-side{padding:0}.stage-label{font-size:11px;margin-bottom:6px}.question-side h2{font-size:23px;margin-bottom:10px}.question-side .help{font-size:11px;margin-bottom:12px}.option{min-height:58px;padding:10px 9px;font-size:13px;gap:6px}.option .key{display:none}.options{gap:8px}.feedback{margin:10px 0 0;font-size:11px;min-height:20px}.fact{font-size:14px;padding-top:10px;margin-top:12px}.reading{font-size:11px;margin:0 0 10px}.points-earned{font-size:13px}.work{font-size:11px;margin:10px 0}.answer-options .option{min-height:42px;font-size:11px;padding:7px}.result{padding:0}.result-art{height:100px}.result h1{font-size:26px}.breakdown{gap:7px}.breakdown div{font-size:10px;padding:10px 4px}.breakdown strong{font-size:21px}.result-actions{gap:8px}.result-actions button{font-size:12px;padding:11px 14px}.review{margin-top:18px}.review li{font-size:12px}.note{font-size:10px}.primary.big{font-size:16px}}
@media(max-height:460px) and (min-width:600px){main{padding:12px 20px}.topbar{padding:8px 18px}.footer{padding:8px 20px}.home{gap:25px}.hero-art{height:240px}.home h1{font-size:34px}.intro{margin-bottom:12px;font-size:12px}.level-card{padding:8px}.level-grid,.rules{margin-bottom:13px}.quiz-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:20px}.portrait{height:clamp(150px,65dvh,300px)}.question-side{padding:0}.question-side h2{font-size:24px;margin-bottom:10px}.question-side .help{margin-bottom:12px;font-size:11px}.option{min-height:52px;padding:10px;font-size:12px}.stage-label{font-size:11px;margin-bottom:5px}.result-art{height:80px}.footer .next,.footer .hint-button{min-height:40px;padding:8px 16px}.quiz-header{margin-bottom:9px}.progress{margin-bottom:12px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.share-panel{margin:26px auto 0;padding:22px;border:1px solid #606b86;border-radius:18px;background:#11172b;text-align:left;max-width:760px;min-width:0}.share-panel h2{font-size:22px;margin:0 0 12px}.share-help{color:var(--sub);font-size:13px;line-height:1.9}.share-preview{display:block;width:100%;height:auto;max-width:100%;border-radius:13px;border:1px solid var(--line);margin:16px 0}.share-actions{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}.share-actions a{display:inline-flex;align-items:center;justify-content:center;min-width:0;text-align:center;text-decoration:none;font-size:13px}.share-actions a[aria-disabled=true]{opacity:.5;cursor:default}.share-caution{font-size:12px;color:#ffda84;line-height:1.9;margin:9px 0}.share-status{font-size:12px;line-height:1.9;color:var(--sub);overflow-wrap:anywhere;margin:9px 0}.share-copy-label{display:block;font-size:12px;margin:20px 0 8px;color:var(--sub)}.share-text{width:100%;min-height:130px;resize:vertical;background:#23283f;color:var(--text);border:1px solid var(--line);border-radius:10px;padding:12px;font:inherit;font-size:12px;line-height:1.8;overflow-wrap:anywhere}.share-panel>button{font-size:12px;margin-top:10px}.share-panel [hidden]{display:none!important}
.app-shell{padding:var(--tqcv2-int,0px) var(--tqcv2-inr,0px) var(--tqcv2-inb,0px) var(--tqcv2-inl,0px)}
@media(max-width:759px){.share-panel{padding:16px 12px;border-radius:14px}.share-panel h2{font-size:19px}.share-help{font-size:11px}.share-actions{display:grid;grid-template-columns:1fr;width:100%;gap:9px}.share-actions a,.share-actions button{width:100%;font-size:13px;min-height:46px;padding:12px}.share-caution,.share-status{font-size:11px}.share-text{font-size:11px;min-height:138px}}