[data-astro-cid-ixmaeoxe]{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,Noto Sans JP,sans-serif;height:100vh;display:flex;flex-direction:column;background:#f8fafc}@media (max-width: 768px){body{height:auto;min-height:100vh;overflow:visible}}.slide-inner[data-astro-cid-ixmaeoxe]{overflow-y:visible;max-height:none}.slide-header[data-astro-cid-ixmaeoxe]{background:#fff;border-bottom:1px solid #e2e8f0;box-shadow:0 1px 3px #0000001a;z-index:10}.header-content[data-astro-cid-ixmaeoxe]{max-width:1200px;margin:0 auto;padding:0 1rem;height:4rem;display:flex;align-items:center;justify-content:space-between}.header-left[data-astro-cid-ixmaeoxe]{display:flex;align-items:center;gap:1rem}.nav-btn[data-astro-cid-ixmaeoxe]{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border:1px solid #e2e8f0;border-radius:.5rem;background:#fff;color:#64748b;text-decoration:none;font-size:.875rem;font-weight:500;transition:all .2s ease;cursor:pointer}.nav-btn[data-astro-cid-ixmaeoxe]:hover:not(:disabled){background:#f1f5f9;border-color:#cbd5e1}.nav-btn[data-astro-cid-ixmaeoxe]:disabled{opacity:.5;cursor:not-allowed}.nav-btn[data-astro-cid-ixmaeoxe].primary{background:#3b82f6;color:#fff;border-color:#3b82f6}.nav-btn[data-astro-cid-ixmaeoxe].primary:hover:not(:disabled){background:#1d4ed8;border-color:#1d4ed8}.lesson-info[data-astro-cid-ixmaeoxe]{display:flex;align-items:center;gap:.5rem;color:#374151;font-weight:500}.slide-counter[data-astro-cid-ixmaeoxe]{background:#f1f5f9;padding:.5rem 1rem;border-radius:2rem;font-size:.875rem;font-weight:600;color:#475569}.header-right[data-astro-cid-ixmaeoxe]{display:flex;align-items:center;gap:.5rem}.progress-container[data-astro-cid-ixmaeoxe]{height:4px;background:#e2e8f0;position:relative}.progress-bar[data-astro-cid-ixmaeoxe]{height:100%;background:linear-gradient(90deg,#3b82f6,#06b6d4);transition:width .3s ease}.slide-main[data-astro-cid-ixmaeoxe]{flex:1;display:flex;align-items:flex-start;justify-content:center;padding:2rem;overflow-y:auto;min-height:0}.slide-container[data-astro-cid-ixmaeoxe]{width:100%;max-width:1000px;height:auto;min-height:100%}.slide-content[data-astro-cid-ixmaeoxe]{display:none;width:100%;height:auto}.slide-content[data-astro-cid-ixmaeoxe].active{display:block}.slide-inner[data-astro-cid-ixmaeoxe]{background:#fff;border-radius:1rem;box-shadow:0 10px 25px -3px #0000001a;border:1px solid #e2e8f0;padding:3rem;width:100%;height:auto;min-height:auto}.slide-footer[data-astro-cid-ixmaeoxe]{background:#fff;border-top:1px solid #e2e8f0;padding:1rem}.footer-content[data-astro-cid-ixmaeoxe]{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:1rem}.slide-thumbnails[data-astro-cid-ixmaeoxe]{display:flex;gap:.5rem;overflow-x:auto;padding:.5rem 0}.thumbnail[data-astro-cid-ixmaeoxe]{min-width:120px;padding:.75rem;border:1px solid #e2e8f0;border-radius:.5rem;background:#fff;cursor:pointer;transition:all .2s ease;text-align:left}.thumbnail[data-astro-cid-ixmaeoxe]:hover{border-color:#3b82f6;background:#f0f9ff}.thumbnail[data-astro-cid-ixmaeoxe].active{border-color:#3b82f6;background:#3b82f6;color:#fff}.thumbnail-number[data-astro-cid-ixmaeoxe]{font-size:.75rem;font-weight:600;opacity:.8}.thumbnail-title[data-astro-cid-ixmaeoxe]{font-size:.75rem;margin-top:.25rem;line-height:1.3}.keyboard-hints[data-astro-cid-ixmaeoxe]{color:#64748b;font-size:.875rem;white-space:nowrap}.slide-inner[data-astro-cid-ixmaeoxe] h1[data-astro-cid-ixmaeoxe]{font-size:2.5rem;font-weight:700;color:#111827;margin-bottom:2rem;text-align:center;border-bottom:4px solid #3b82f6;padding-bottom:1rem}.slide-inner[data-astro-cid-ixmaeoxe] h2[data-astro-cid-ixmaeoxe]{font-size:1.75rem;font-weight:600;color:#1f2937;margin-top:2rem;margin-bottom:1rem}.slide-inner[data-astro-cid-ixmaeoxe] h3[data-astro-cid-ixmaeoxe]{font-size:1.25rem;font-weight:600;color:#374151;margin-top:1.5rem;margin-bottom:.75rem}.slide-inner[data-astro-cid-ixmaeoxe] p[data-astro-cid-ixmaeoxe]{color:#374151;line-height:1.7;margin-bottom:1rem;font-size:1.1rem}.slide-inner[data-astro-cid-ixmaeoxe] strong[data-astro-cid-ixmaeoxe]{color:#111827;font-weight:600}.slide-inner[data-astro-cid-ixmaeoxe] code[data-astro-cid-ixmaeoxe]{background:#f1f5f9;color:#e11d48;padding:.25rem .5rem;border-radius:.25rem;font-size:.9em}.slide-inner[data-astro-cid-ixmaeoxe] pre[data-astro-cid-ixmaeoxe]{background:#1e293b;color:#f1f5f9;padding:1rem;border-radius:.5rem;margin:1rem 0;overflow-x:auto}@media (max-width: 768px){.header-content[data-astro-cid-ixmaeoxe]{padding:0 .5rem}.lesson-info[data-astro-cid-ixmaeoxe] span[data-astro-cid-ixmaeoxe]{display:none}.slide-main[data-astro-cid-ixmaeoxe]{padding:1rem}.slide-inner[data-astro-cid-ixmaeoxe]{padding:2rem 1.5rem;min-height:400px}.slide-thumbnails[data-astro-cid-ixmaeoxe]{display:none}.keyboard-hints[data-astro-cid-ixmaeoxe]{font-size:.75rem}.slide-inner[data-astro-cid-ixmaeoxe] h1[data-astro-cid-ixmaeoxe]{font-size:2rem}}