.classroom{color:#000;background:#f5f6f8;max-width:1000px;margin:0 auto;padding:20px 16px 40px}.classroom h1{scroll-margin-top:90px;font-size:clamp(26px,4vw,36px);font-weight:800;line-height:1.25}.classroom h2{font-size:22px;font-weight:750}.classroom p{margin:12px 0;line-height:1.65}.classroom button{color:#000;cursor:pointer;background:#e2e8f0;border:1px solid #000;border-radius:12px;min-height:44px;padding:10px 16px;font-weight:650}.classroom button:disabled{opacity:.6;cursor:default}.classroom :focus-visible{outline-offset:3px;outline:3px solid #000}.classroom h1:focus{outline:none}.classroom ::selection{color:#000;background:#d5d9df}.classroom a{color:#000;text-underline-offset:3px;margin:16px 0;text-decoration:underline;display:inline-block}.classroom-path,.classroom-lesson-navigation{flex-wrap:wrap;gap:10px;margin:0 0 16px;display:flex}.classroom-subjects{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:18px 0;display:grid}.classroom .classroom-subject{text-align:left;overflow-wrap:anywhere;background:#fff;align-content:center;gap:8px;min-height:94px;padding:12px;display:grid}.classroom-subject strong{font-size:17px;line-height:1.3}.classroom-subject span,.classroom-caption{font-size:13px;font-weight:400}.classroom-lessons{gap:12px;margin:20px 0;display:grid}.classroom-lessons button{text-align:left;background:#fff;gap:8px;display:grid}.classroom-lessons button span{font-weight:400}.classroom-note{background:#eaf6ef;border-left:3px solid #000;padding:14px}.classroom-lesson{gap:18px;margin-bottom:24px;display:grid}.classroom-lesson section,.classroom-goal{background:#fff;border:1px solid #cbd5e1;border-radius:12px;padding:18px}.classroom-lesson fieldset{border:1px solid #000;border-radius:10px;min-width:0;margin:18px 0;padding:12px}.classroom-lesson legend{padding:0 5px;font-weight:700}.classroom-lesson label{cursor:pointer;align-items:center;gap:12px;min-height:48px;padding:10px 0;display:flex}.classroom input{accent-color:#000;flex-shrink:0;width:19px;height:19px}.classroom-lesson section>button{margin:6px 10px 6px 0}.classroom-feedback{background:#edf2f7;border-radius:8px;padding:12px}@media (min-width:650px){.classroom-subjects{grid-template-columns:repeat(4,minmax(0,1fr))}}