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.qz-choice:hover{border-color:#7c3aed;transform:translateY(-1px)}.lg-quiz .qz-choice .no{flex:0 0 24px;height:24px;border-radius:50%;background:#ede9fe;color:#6d28d9;display:grid;place-items:center;font-size:12px;font-weight:800;word-spacing:0}.lg-quiz .qz-choice.is-ok{border:2px solid #16a34a;background:#f0fdf4}.lg-quiz .qz-choice.is-ok .no{background:#16a34a;color:#fff}.lg-quiz .qz-choice.picked.is-ng{border:2px solid #dc2626;background:#fff1f2}.lg-quiz .qz-choice.picked.is-ng .no{background:#dc2626;color:#fff}.lg-quiz .qz-result{margin-top:12px;padding:12px 14px;border-radius:12px;background:#f0fdf4;border:1px solid #bbf7d0}.lg-quiz .qz-result.ng{background:#fff7ed;border-color:#fed7aa}.lg-quiz .qz-result .qz-verdict{font-size:1.05rem;margin-right:8px}.lg-quiz .qz-result .qz-ans{font-weight:700;color:var(--text-2);font-size:13px}.lg-quiz .qz-result p{margin:6px 0 0;line-height:1.8}.ex-probs{display:grid;grid-template-columns:repeat(auto-fill, minmax(220px, 1fr));gap:10px}.ex-prob{display:flex;flex-direction:column;gap:6px;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:#f8fafc;color:inherit;text-decoration:none;transition:border-color .15s,transform .08s}.ex-prob:hover{border-color:var(--primary);transform:translateY(-1px)}.ex-prob .src{font-size:12px;font-weight:700;color:var(--primary)}.ex-prob .tx{font-size:13px;color:var(--text-2);line-height:1.6}.ex-prob .go{font-size:13px;font-weight:800;color:var(--primary);margin-top:auto}.ex-next{display:block;margin:36px 0 10px;padding:20px 22px;border-radius:18px;color:#fff;text-decoration:none;background:linear-gradient(135deg, #0B4F63, #0E7490);box-shadow:0 14px 30px -18px rgba(11,79,99,.8)}.ex-next .lbl{display:block;font-size:12px;font-weight:800;letter-spacing:.08em;opacity:.8}.ex-next .ttl{display:block;font-size:1.2rem;font-weight:900;margin-top:4px}.ex-next .goal{display:block;font-size:13px;opacity:.85;margin-top:6px;line-height:1.6}.ex-next:hover{filter:brightness(1.06)}.ex-prev{font-size:13px}.ex-prev a{color:var(--text-2)}@media(max-width: 960px){.ex-hero{grid-template-columns:minmax(0, 1fr);padding:22px 20px}.ex-hero h1{font-size:1.5rem}.ex-grid{grid-template-columns:minmax(0, 1fr)}.ex-toc{position:static}.ex-toc .ex-toc-all{display:none}.ex-toc>ol{display:flex;flex-wrap:wrap;gap:4px}.ex-toc>ol li a{padding:5px 8px;border:1px solid var(--line);background:var(--paper)}}@media(max-width: 640px){.ex-wrap{padding:0 12px 48px}.ex-body{padding:18px 14px;border-radius:14px}.ex-step{font-size:1.12rem}.lg-sensei .av{flex-basis:48px;width:48px;height:48px}}.ex-plan{margin:8px 0 22px;padding:18px 20px;border-radius:18px;background:#f0fafc;border:1px solid #cdebf2}.ex-plan .ex-plan-hd h2{margin:0 0 4px;font-size:1.1rem}.ex-plan .ex-plan-hd p{margin:0 0 12px;font-size:14px}.ex-plan .ex-weeks{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));gap:8px}.ex-plan .ex-weeks li{background:#fff;border-radius:12px;padding:10px 12px;border:1px solid #dceff4}.ex-plan .ex-weeks li b{display:block;color:var(--primary);font-size:13px}.ex-plan .ex-weeks li span{font-size:13px;line-height:1.6}.ex-lessons{list-style:none;padding:0;margin:0 0 40px;display:grid;gap:10px}.ex-lessons li a{display:flex;gap:16px;align-items:center;padding:14px 16px;border-radius:16px;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);color:inherit;text-decoration:none;transition:transform .08s,border-color .15s}.ex-lessons li a:hover{transform:translateY(-1px);border-color:var(--primary)}.ex-lessons .no{flex:0 0 64px;height:64px;border-radius:14px;display:grid;place-items:center;align-content:center;color:#fff;font-weight:900;font-size:1.5rem;line-height:1;background:linear-gradient(135deg, #0B4F63, #0E7490)}.ex-lessons 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