.school-stage{border:1px solid var(--line);background:radial-gradient(at 70% 15%,#fff7df 0,#0000 55%),linear-gradient(145deg,#e1ede5,#eff2df);border-radius:24px;position:relative;overflow:hidden}.school-stage-canvas{aspect-ratio:14/10.5;width:100%;max-height:540px}.school-stage-room .school-stage-canvas{aspect-ratio:11.5/8;max-height:380px}.school-stage-note{text-align:center;color:#587663;padding:28px 20px;font-size:14px}.school-stage-canvas .school-stage-note{place-items:center;height:100%;display:grid}.school-stage-toggle{cursor:pointer;background:#fffc;border:1px solid #b9cfc1;border-radius:24px;min-height:44px;margin:0 12px 12px auto;padding:8px 14px;font-size:13px;display:block}.school-board{white-space:nowrap;color:#fffef8;letter-spacing:.04em;pointer-events:none;font-size:clamp(15px,2.4vw,22px);font-weight:700;display:block}.school-quiz-choice{text-align:left;border:1px solid var(--line);background:var(--surface);cursor:pointer;border-radius:14px;width:100%;min-height:48px;padding:12px 16px;line-height:1.6;display:block}.school-quiz-choice:hover:not(:disabled){border-color:var(--accent)}.school-quiz-choice[data-state=right]{border-color:var(--accent);background:var(--accent-soft)}.school-quiz-choice[data-state=wrong]{background:#fdf1e0;border-color:#d9a05b}.school-stage :focus-visible,.school-quiz-choice:focus-visible{outline-offset:3px;outline:3px solid #247c78}@media print{.school-stage{display:none!important}}