.back[data-astro-cid-yda77e72]{min-height:44px;color:var(--c-blue);align-items:center;gap:6px;font-size:15px;font-weight:700;text-decoration:none;display:inline-flex}h1[data-astro-cid-yda77e72]{color:var(--c-navy);letter-spacing:-.03em;margin:8px 2px 12px;font-size:clamp(26px,7.6vw,32px);line-height:1.25}h1[data-astro-cid-yda77e72]:lang(ja){word-break:keep-all}.lead[data-astro-cid-yda77e72]{color:var(--c-gray);margin:0 2px;font-size:16px;line-height:1.75}.jump[data-astro-cid-yda77e72]{flex-wrap:wrap;gap:10px;margin:24px 0 0;display:flex}.jump[data-astro-cid-yda77e72] a[data-astro-cid-yda77e72]{border:1.5px solid var(--c-line);min-height:44px;color:var(--c-blue);border-radius:22px;align-items:center;padding:0 16px;font-size:15px;font-weight:700;text-decoration:none;display:inline-flex}.audio-note[data-astro-cid-yda77e72]{background:var(--c-light-blue);color:var(--c-gray);border-radius:14px;align-items:center;gap:10px;margin:16px 0 0;padding:12px 16px;font-size:15px;font-weight:700;display:flex}.kana-section[data-astro-cid-yda77e72]{margin-top:48px;scroll-margin-top:16px}h2[data-astro-cid-yda77e72]{color:var(--c-navy);margin:0 0 8px;font-size:24px;line-height:1.35}h3[data-astro-cid-yda77e72]{color:var(--c-navy);margin:28px 0 12px;font-size:17px;line-height:1.5}.section-lead[data-astro-cid-yda77e72]{color:var(--c-gray);margin:0 0 16px;font-size:15px;line-height:1.7}.kana-grid[data-astro-cid-yda77e72]{grid-template-columns:repeat(5,1fr);gap:6px;display:grid}.kana[data-astro-cid-yda77e72]{border:1px solid var(--c-line);background:var(--c-white);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:2px;min-height:66px;display:flex}.kana[data-astro-cid-yda77e72].is-empty{background:0 0;border-style:dashed}button[data-astro-cid-yda77e72].kana{width:100%;font:inherit;cursor:pointer;padding:0}.kana[data-astro-cid-yda77e72].has-audio{border-color:var(--c-blue)}.kana[data-astro-cid-yda77e72].has-audio .char[data-astro-cid-yda77e72]{color:var(--c-blue)}.kana[data-astro-cid-yda77e72].has-audio.is-playing{background:var(--c-blue)}.kana[data-astro-cid-yda77e72].has-audio.is-playing .char[data-astro-cid-yda77e72],.kana[data-astro-cid-yda77e72].has-audio.is-playing .romaji[data-astro-cid-yda77e72]{color:var(--c-white)}.audio-credit[data-astro-cid-yda77e72]{color:var(--c-gray);margin:40px 2px 0;font-size:12px;line-height:1.6}.char[data-astro-cid-yda77e72]{color:var(--c-navy);font-size:clamp(24px,7vw,30px);line-height:1.1}.romaji[data-astro-cid-yda77e72]{color:var(--c-gray);font-size:13px;font-weight:700}.kana-grid[data-astro-cid-yda77e72].is-yoon{grid-template-columns:repeat(3,1fr)}.rules[data-astro-cid-yda77e72]{gap:12px;margin:0;padding:0;list-style:none;display:grid}.rules[data-astro-cid-yda77e72] li[data-astro-cid-yda77e72]{border:1px solid var(--c-line);border-radius:16px;padding:16px 18px}.rules[data-astro-cid-yda77e72] h3[data-astro-cid-yda77e72]{margin:0 0 6px}.rules[data-astro-cid-yda77e72] p[data-astro-cid-yda77e72]{color:var(--c-navy);margin:0;font-size:15px;line-height:1.7}.rules[data-astro-cid-yda77e72] .examples[data-astro-cid-yda77e72]{flex-wrap:wrap;gap:8px 20px;margin-top:10px;display:flex}.examples[data-astro-cid-yda77e72]>span[data-astro-cid-yda77e72]{align-items:baseline;gap:8px;font-size:20px;display:inline-flex}.quiz[data-astro-cid-yda77e72],.quiz-done[data-astro-cid-yda77e72]{background:var(--c-light-blue);text-align:center;border-radius:20px;padding:22px 18px}.quiz-counter[data-astro-cid-yda77e72]{color:var(--c-gray);margin:0;font-size:14px;font-weight:700}.quiz-question[data-astro-cid-yda77e72]{color:var(--c-navy);margin:6px 0 0;font-size:16px;font-weight:700}.quiz-char[data-astro-cid-yda77e72]{color:var(--c-navy);margin:12px 0 16px;font-size:64px;line-height:1.1}.quiz-choices[data-astro-cid-yda77e72]{grid-template-columns:1fr 1fr;gap:10px;display:grid}.quiz-choices[data-astro-cid-yda77e72] .quiz-choice{border:2px solid var(--c-line);background:var(--c-white);min-height:52px;color:var(--c-navy);cursor:pointer;border-radius:14px;font-size:20px;font-weight:700}.quiz-choices[data-astro-cid-yda77e72] .quiz-choice:disabled{cursor:default}.quiz-choices[data-astro-cid-yda77e72] .quiz-choice.is-correct{border-color:var(--c-correct);background:color-mix(in srgb, var(--c-correct) 22%, var(--c-white))}.quiz-choices[data-astro-cid-yda77e72] .quiz-choice.is-wrong{border-color:var(--c-wrong);background:color-mix(in srgb, var(--c-wrong) 12%, var(--c-white))}.quiz-result[data-astro-cid-yda77e72]{min-height:1.6em;color:var(--c-navy);margin:14px 0 0;font-size:16px;font-weight:800}.quiz-result[data-astro-cid-yda77e72].is-wrong{color:var(--c-navy)}.quiz-result[data-astro-cid-yda77e72].is-correct:before{content:"✓ "}.quiz-result[data-astro-cid-yda77e72].is-wrong:before{content:"× ";color:var(--c-wrong)}.quiz-next[data-astro-cid-yda77e72]{background:var(--c-blue);min-width:200px;min-height:52px;color:var(--c-white);cursor:pointer;border:0;border-radius:14px;margin-top:14px;padding:0 28px;font-size:17px;font-weight:800}.quiz-done[data-astro-cid-yda77e72] p[data-astro-cid-yda77e72]{color:var(--c-navy);margin:0;font-size:18px;font-weight:800}.numbers[data-astro-cid-yda77e72]{grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px;margin:0;padding:0;list-style:none;display:grid}.numbers[data-astro-cid-yda77e72] li[data-astro-cid-yda77e72]{border:1px solid var(--c-line);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:4px;min-height:76px;padding:8px 4px;display:flex}.digit[data-astro-cid-yda77e72]{color:var(--c-navy);font-size:26px;font-weight:800;line-height:1.1}.reading[data-astro-cid-yda77e72]{color:var(--c-gray);text-align:center;font-size:14px;font-weight:700}.to-lesson[data-astro-cid-yda77e72]{background:var(--c-light-blue);border-radius:20px;margin-top:56px;padding:24px 20px}.to-lesson[data-astro-cid-yda77e72] p[data-astro-cid-yda77e72]{color:var(--c-navy);margin:0 0 16px;font-size:16px;line-height:1.7}.primary-button[data-astro-cid-yda77e72]{background:var(--c-blue);min-height:56px;color:var(--c-white);box-shadow:0 8px 16px rgb(var(--c-blue-rgb) / 22%);border-radius:16px;justify-content:center;align-items:center;gap:10px;font-size:18px;font-weight:800;text-decoration:none;display:flex}@media (hover:hover){.back[data-astro-cid-yda77e72]:hover{text-decoration:underline}.jump[data-astro-cid-yda77e72] a[data-astro-cid-yda77e72]:hover{border-color:var(--c-blue)}.primary-button[data-astro-cid-yda77e72]:hover{filter:brightness(.9)}}