:root{color-scheme:dark;--bg:#101929;--panel:#192539;--line:#354359;--text:#f3f6fa;--muted:#acbace;--cyan:#5eefd0;--gold:#ffc875;--red:#ff879a;font-family:Noto Sans JP,system-ui,sans-serif;color:var(--text);background:var(--bg);font-size:16px}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer;border:1px solid var(--line);border-radius:10px;background:#223047;color:var(--text);font-weight:700;padding:12px 17px}button:hover:not(:disabled){background:#35465b;border-color:#8eabbc}button:disabled{cursor:default;opacity:.45}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:3px}[hidden]{display:none!important}.topbar{height:70px;max-width:1240px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 28px;gap:16px}.topbar>a:first-child{color:var(--muted);font-size:14px}.wordmark{font-weight:900;letter-spacing:-1.3px;font-size:25px}.wordmark span{color:var(--cyan);margin-left:5px}.tools{display:flex;gap:8px}.tools button{background:transparent;font-size:13px;padding:8px 12px}main{max-width:1184px;margin:auto;padding:0 28px}.arena{height:340px;border:1px solid #3b4c63;background:#1d3044;position:relative;overflow:hidden;border-radius:20px 20px 0 0}.arena-top{position:absolute;z-index:2;left:24px;right:24px;top:20px;display:flex;justify-content:space-between;align-items:center;gap:10px;pointer-events:none}.stage-label{font:700 12px/1.4 system-ui;letter-spacing:2px;color:#e4edf7}.arena-badge{font-size:12px;border:1px solid #ffffff30;border-radius:20px;padding:6px 12px;background:#142238a8}.scene-loading{font-size:14px;color:var(--muted);position:absolute;inset:38% 0 auto;text-align:center}#scene{position:absolute;inset:0}#scene canvas{width:100%;height:100%;display:block}.healthbar{position:absolute;inset:auto 24px 20px;display:grid;grid-template-columns:1fr .9fr 1fr;align-items:end;gap:20px}.healthbar>div>div{display:flex;justify-content:space-between;gap:10px;font-size:12px;margin-bottom:8px;text-shadow:0 1px 4px #000}.healthbar strong{font:700 13px system-ui}progress{display:block;border:0;border-radius:10px;width:100%;height:9px;overflow:hidden;background:#080f1d}progress::-webkit-progress-bar{background:#080f1d;border-radius:10px}progress::-webkit-progress-value{background:var(--cyan);border-radius:10px;transition:width .35s}progress::-moz-progress-bar{background:var(--cyan)}.enemy-status progress::-webkit-progress-value{background:var(--red)}.enemy-status progress::-moz-progress-bar{background:var(--red)}.center-status{text-align:center;display:flex;flex-direction:column;text-shadow:0 2px 5px #000}.center-status>span{font:900 23px/1.1 system-ui;letter-spacing:1px;color:var(--gold)}.center-status small{font-size:12px;color:#d4ddeb;margin-top:6px}.battle-call{position:absolute;left:10%;right:10%;top:22%;text-align:center;pointer-events:none;font-weight:900;font-size:clamp(22px,4vw,40px);color:var(--gold);text-shadow:0 4px 18px #030711;opacity:0;transform:translateY(10px);transition:.2s}.battle-call.show{opacity:1;transform:none}.panel{background:var(--panel);border:1px solid var(--line);border-top:0;padding:30px;border-radius:0 0 20px 20px}.setup-title{display:flex;align-items:center;justify-content:space-between;gap:15px}.eyebrow{color:var(--cyan);font:700 12px system-ui;letter-spacing:1.8px;margin:0 0 10px}h1{font-size:28px;line-height:1.5;letter-spacing:-1px;margin:0;font-weight:900}.bank-count{display:flex;flex-direction:column;margin:0;align-items:flex-end;flex-shrink:0}.bank-count strong{font:900 36px/1.1 system-ui;letter-spacing:-1px}.bank-count span{font-size:12px;color:var(--muted);margin-top:5px}.lead{font-size:14px;color:var(--muted);margin:12px 0 26px}.mobile-break{display:none}.setup-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}fieldset{border:0;padding:0;min-width:0;margin:0}legend{font-size:14px;font-weight:700;margin-bottom:12px}.segmented{display:flex;gap:8px}.segmented button{flex:1;padding:12px 8px;background:transparent;min-height:66px}.segmented button[aria-pressed=true]{background:#5eefd016;border-color:var(--cyan);color:var(--cyan)}.segmented small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:4px}.select-label{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:15px;margin-top:13px}select{min-width:0;border:1px solid var(--line);border-radius:8px;background:#142035;color:var(--text);padding:9px 10px;font-size:14px;flex:1}.roles{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin:24px 0}.roles>label{display:flex;flex-wrap:wrap;align-items:center;gap:9px}.player-dot{font:800 12px system-ui;border-radius:7px;padding:6px 8px;display:inline-block}.cyan{background:#5eefd025;color:var(--cyan)}.gold{background:#ffc87525;color:var(--gold)}input{background:transparent;border:0;border-bottom:1px solid var(--line);width:calc(100% - 52px);padding:6px;color:var(--text);font-size:14px}.roles select{width:100%;flex-basis:100%;font-size:13px}.start-row{display:flex;gap:12px;flex-wrap:wrap}.primary{background:var(--cyan);color:#102326;border:1px solid var(--cyan);padding:14px 26px}.primary:hover:not(:disabled){background:#97ffe6;border-color:#97ffe6}.secondary{background:transparent;font-size:14px}.start-row>.primary{flex:1}.start-row>.secondary{flex:1}.subtle{font-size:12px;line-height:1.7;color:var(--muted);margin:12px 0 0}.help{border-top:1px solid var(--line);margin-top:20px;padding-top:15px;color:var(--muted);font-size:13px;line-height:1.9}.help summary{cursor:pointer;color:#dae1eb}.help a,.explanation a{color:var(--cyan);text-decoration:underline}footer{font-size:12px;line-height:1.8;color:#a1b1c6;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:24px 0 32px}.quiz-top{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted)}#question-number{font-weight:800;letter-spacing:1px;color:var(--cyan)}#question-category{flex:1}#pause{padding:7px 12px;font-size:12px}#timer{font:800 25px system-ui;min-width:38px;color:var(--gold);text-align:right}#question{font-size:21px;line-height:1.75;margin:18px 0 20px;white-space:pre-wrap;overflow-wrap:anywhere;font-weight:700}.support{display:flex;gap:8px;align-items:center;margin-bottom:22px;flex-wrap:wrap}.support button{font-size:13px;padding:9px 14px;background:#213348}.support small{font-size:12px;margin-left:7px;color:var(--muted)}#unison:not(:disabled){border-color:var(--gold);color:var(--gold)}#guard[aria-pressed=true]{border-color:var(--cyan);color:var(--cyan)}#intent{margin-left:auto;color:var(--muted);font-size:12px}.answer-players{display:grid;grid-template-columns:1fr 1fr;gap:24px}.answer-player h3{font-size:14px;display:flex;align-items:center;gap:9px;margin:0 0 12px}.answer-player h3 small{font-size:12px;font-weight:400;color:var(--muted);margin-left:auto}.answers{display:grid;gap:9px}.answers button{display:flex;align-items:center;text-align:left;font-size:15px;line-height:1.6;font-weight:500;gap:12px;min-height:58px;padding:12px 15px;background:#142137;overflow-wrap:anywhere}.answers kbd{font:700 12px system-ui;background:#2b3a50;padding:5px 7px;border-radius:4px;min-width:26px;text-align:center;flex-shrink:0}.player-one .answers button:hover:not(:disabled){border-color:var(--cyan)}.player-two .answers button:hover:not(:disabled){border-color:var(--gold)}.answers button.locked{background:#324859;opacity:1;border-color:#7492a5}.answers button.correct{background:#5eefd018;border-color:var(--cyan);opacity:1;color:var(--cyan)}.answers button.wrong{background:#ff879a14;border-color:var(--red);opacity:1;color:var(--red)}.answers button.eliminated{opacity:.18}.explanation{background:#101c2e;padding:23px;margin-top:24px;border-left:3px solid var(--cyan);border-radius:4px 12px 12px 4px;font-size:15px;line-height:1.85}.explain-title{display:flex;justify-content:space-between;gap:16px;align-items:center}.explain-title strong{color:var(--cyan);font-size:19px}.explain-title span{font-size:13px;color:var(--gold)}#correct-answer{font-weight:700}#explain-text{color:#c5d2e1;white-space:pre-wrap;overflow-wrap:anywhere}.explanation a{font-size:12px}.explanation .primary{margin-top:18px;width:100%;font-size:15px}.result{text-align:center;padding:38px 30px}.result h2{font-size:34px;margin:12px 0}.result>p{color:var(--muted);font-size:15px;line-height:1.9}.result-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:30px 0}.result-stats>div{padding:18px 8px;background:#101c2e;border-radius:12px}.result-stats strong{display:block;font:900 27px system-ui;color:var(--cyan)}.result-stats span{display:block;font-size:12px;color:var(--muted);margin-top:8px}dialog{color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:18px;max-width:min(420px,90vw);padding:30px}dialog::backdrop{background:#060d18bb;backdrop-filter:blur(8px)}dialog button{display:block;width:100%;margin-top:12px}dialog p{color:var(--muted);font-size:15px}.text-page{padding:32px;max-width:880px;margin:25px auto;background:var(--panel);border-radius:18px;line-height:1.9}.text-page h2{font-size:22px;margin-top:35px}.text-page a{color:var(--cyan);text-decoration:underline}.text-page table{width:100%;border-collapse:collapse;font-size:14px}.text-page td,.text-page th{text-align:left;border-bottom:1px solid var(--line);padding:10px}.text-page p{font-size:15px}@media (max-width:700px){.topbar{height:61px;padding:0 14px;gap:8px}.wordmark{font-size:19px}.topbar>a:first-child{font-size:12px}.tools button{padding:7px 8px;font-size:12px}main{padding:0 12px}.arena{height:250px;border-radius:15px 15px 0 0}.arena-top{left:14px;right:14px;top:13px}.stage-label{font-size:10px;letter-spacing:1px}.arena-badge{font-size:10px;padding:5px 7px}.healthbar{inset:auto 14px 15px;gap:12px;grid-template-columns:1fr .65fr 1fr}.healthbar>div>div{font-size:10px;gap:4px;flex-wrap:wrap;margin-bottom:6px}.healthbar strong{font-size:11px}.center-status>span{font-size:18px}.center-status small{font-size:10px}.panel{padding:23px 17px}.setup-title{align-items:flex-start}h1{font-size:22px;line-height:1.6;letter-spacing:-.7px}.mobile-break{display:block}.eyebrow{font-size:10px;letter-spacing:1px}.bank-count{margin-top:24px}.bank-count strong{font-size:30px}.bank-count span{font-size:10px}.lead{font-size:13px;line-height:1.9;margin:13px 0 22px}.setup-grid{grid-template-columns:1fr;gap:23px}.roles{gap:13px;margin:23px 0}.roles select{font-size:12px;padding:9px 5px}.start-row{gap:9px}.start-row>button{flex-basis:100%!important;padding:13px 10px}.quiz-top{gap:8px;font-size:11px}#question{font-size:18px;line-height:1.8;margin:16px 0}#timer{font-size:22px}.support{gap:6px;margin-bottom:19px}.support button{padding:8px 9px;font-size:12px}.support small{font-size:11px;margin-left:4px}#intent{width:100%;margin-top:4px;font-size:11px}.answer-players{gap:14px}.answer-player h3{font-size:12px;gap:6px;flex-wrap:wrap}.answer-player h3 small{font-size:10px;width:100%;margin:0}.answers button{font-size:14px;padding:11px 9px;gap:7px;min-height:69px;align-items:flex-start}.answers kbd{font-size:10px;min-width:20px;padding:3px 5px}.answer-player .player-dot{font-size:10px;padding:5px 6px}.explanation{padding:17px;font-size:14px}.explain-title strong{font-size:16px}.explain-title span{font-size:11px}.result-stats{grid-template-columns:repeat(2,1fr)}footer{font-size:11px;gap:8px;padding-bottom:22px}.text-page{margin:15px;padding:20px}body.playing .arena{height:220px}}@media (max-width:380px){.wordmark{font-size:16px}.topbar{padding:0 10px}.tools button{padding:7px 5px}.answer-players{grid-template-columns:1fr}.answers{grid-template-columns:1fr 1fr}.answers button{font-size:13px}.bank-count{display:none}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}:root[data-quiz-subject=law]{--bg:#1a1b29;--panel:#292536;--line:#51475b;--cyan:#f4cd8f;--gold:#a8d7ff}[data-quiz-subject=law] .arena{border-color:#76634e}[data-quiz-subject=law] .primary{background:var(--cyan);border-color:var(--cyan)}.title-tagline{font-size:.57em;font-weight:600;letter-spacing:0;color:var(--muted)}.subject-note{font-size:13px;line-height:1.9;color:var(--muted);margin:0 0 12px}.quiz-selection{max-width:1080px;padding-top:52px}.quiz-selection>h1{font-size:clamp(28px,4vw,46px);margin:12px 0}.quiz-selection-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:36px 0}.quiz-choice{display:flex;flex-direction:column;align-items:flex-start;position:relative;overflow:hidden;padding:30px;border:1px solid var(--line);border-radius:20px;transition:transform .15s,border-color .15s}.quiz-choice:hover{text-decoration:none;transform:translateY(-4px);border-color:currentColor}.quiz-choice h2{font-size:30px;margin:8px 0;color:var(--text)}.quiz-choice p{font-size:15px;line-height:2;color:var(--muted);margin:8px 0 24px}.quiz-choice strong{margin-top:20px;font-size:16px}.choice-count{font-weight:900;font-size:24px}.choice-mark{font:800 78px/1 system-ui;opacity:.15;position:absolute;right:22px;top:24px;pointer-events:none}.law-choice{background:linear-gradient(135deg,#332d39,#1c2232);color:#f4cd8f}.it-choice{background:linear-gradient(135deg,#1d3445,#152331);color:#5eefd0}.selection-note{font-size:14px;line-height:2;color:var(--muted);text-align:center;margin:32px 0}@media (max-width:700px){.quiz-selection{padding-top:25px}.quiz-selection-grid{grid-template-columns:1fr;gap:16px;margin:24px 0}.quiz-choice{padding:24px}.quiz-choice h2{font-size:25px}.quiz-choice p{margin-bottom:12px}.quiz-selection .lead{font-size:14px}.title-tagline{font-size:.62em}}