.book-hero[data-astro-cid-ijqthxsf]{padding:5rem 0 3rem;display:flex;justify-content:center;align-items:center}.book-hero-inner[data-astro-cid-ijqthxsf]{max-width:900px;width:100%;margin:0 auto;padding:0 1.5rem;display:grid;grid-template-columns:1.2fr 1.8fr;gap:3.5rem;align-items:center}.book-hero-visual[data-astro-cid-ijqthxsf]{display:flex;justify-content:center;align-items:center}.book-cover-img[data-astro-cid-ijqthxsf]{width:100%;max-width:280px;height:auto;border-radius:12px;box-shadow:0 15px 35px #00000026,0 5px 15px #00000014;transition:transform .6s cubic-bezier(.2,.8,.2,1)}.book-cover-img[data-astro-cid-ijqthxsf]:hover{transform:translateY(-8px) scale(1.02) rotate(1deg)}.book-hero-info[data-astro-cid-ijqthxsf]{display:flex;flex-direction:column;align-items:flex-start}.book-badge[data-astro-cid-ijqthxsf]{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.08em;padding:.3em 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#e8819c40}.book-cta-btn--primary[data-astro-cid-ijqthxsf]:hover{background:var(--sakura-500);transform:translateY(-2px);box-shadow:0 6px 20px #e8819c59}.book-intro-msg[data-astro-cid-ijqthxsf]{max-width:640px;margin:2rem auto;display:flex;gap:1.5rem;align-items:flex-start}.chika-avatar[data-astro-cid-ijqthxsf]{width:44px;height:44px;border-radius:50%;background:#e8819c26;border:1px solid rgba(232,129,156,.3);display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0;box-shadow:0 4px 10px #e8819c26}.chika-bubble[data-astro-cid-ijqthxsf]{flex:1;background:#e8819c0d;border:1px solid rgba(232,129,156,.15);border-radius:0 20px 20px;padding:1.5rem 1.8rem;color:var(--ink-700);line-height:1.8;font-size:.95rem}.chika-bubble[data-astro-cid-ijqthxsf] p[data-astro-cid-ijqthxsf]{margin:0 0 1rem}.chika-bubble[data-astro-cid-ijqthxsf] p[data-astro-cid-ijqthxsf]:last-child{margin-bottom:0}.adventure-grid[data-astro-cid-ijqthxsf]{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:2rem;margin-top:3rem}.adventure-card[data-astro-cid-ijqthxsf]{background:var(--card-bg, rgba(255, 255, 255, .45));border:1px solid var(--card-border, rgba(255, 255, 255, .6));backdrop-filter:blur(12px);padding:2.2rem 2rem;border-radius:20px;display:flex;flex-direction:column;transition:all .4s cubic-bezier(.16,1,.3,1);position:relative;overflow:hidden}.adventure-card[data-astro-cid-ijqthxsf]:hover{transform:translateY(-5px);border-color:#e8819c4d;box-shadow:0 12px 30px #0000000a,inset 0 1px #fff9}.adventure-num[data-astro-cid-ijqthxsf]{font-size:2.2rem;font-weight:800;font-family:Shippori Mincho,serif;color:#e8819c40;line-height:1;margin-bottom:1rem}.adventure-title[data-astro-cid-ijqthxsf]{font-family:Shippori Mincho,serif;font-size:1.15rem;font-weight:600;color:var(--ink-800);margin:0 0 1rem;line-height:1.4}.adventure-desc[data-astro-cid-ijqthxsf]{font-size:.88rem;line-height:1.7;color:var(--ink-600);margin-bottom:1.5rem;flex-grow:1}.adventure-key[data-astro-cid-ijqthxsf]{font-size:.75rem;color:var(--sakura-500);font-weight:500;letter-spacing:.02em}.book-playroom[data-astro-cid-ijqthxsf]{display:flex;justify-content:center;margin:3rem 0;perspective:1200px}.book-open[data-astro-cid-ijqthxsf]{position:relative;width:100%;max-width:800px;height:520px;border-radius:20px;background:#f4f1ea;box-shadow:0 30px 70px #0000001f,0 10px 25px #0000000f,inset 0 0 40px #00000005;display:grid;grid-template-columns:1fr 1fr;overflow:hidden;border:1px solid #e0dbcd;transition:transform .6s cubic-bezier(.16,1,.3,1)}.book-open[data-astro-cid-ijqthxsf]:hover{transform:translateY(-4px)}.book-spine[data-astro-cid-ijqthxsf]{position:absolute;top:0;left:50%;transform:translate(-50%);width:30px;height:100%;background:linear-gradient(to right,#00000014,#00000026 35%,#0003,#00000026 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#e0dbcd;padding-bottom:8px;margin-bottom:15px}.notebook-date[data-astro-cid-ijqthxsf]{font-size:.72rem;color:#7b7565;font-family:system-ui,sans-serif;font-weight:500}.notebook-title-top[data-astro-cid-ijqthxsf]{font-size:.72rem;color:var(--sakura-500);font-weight:600;letter-spacing:.05em}.notebook-body[data-astro-cid-ijqthxsf]{flex:1;min-height:0;overflow-y:auto;margin-bottom:10px;padding-right:4px}.notebook-body[data-astro-cid-ijqthxsf]::-webkit-scrollbar{width:4px}.notebook-body[data-astro-cid-ijqthxsf]::-webkit-scrollbar-thumb{background:#7b756533;border-radius:4px}.notebook-body[data-astro-cid-ijqthxsf]::-webkit-scrollbar-track{background:transparent}.notebook-body--index[data-astro-cid-ijqthxsf]{flex:1;min-height:0;overflow-y:auto;padding-right:4px;display:flex;flex-direction:column;justify-content:flex-start}.notebook-index-lead[data-astro-cid-ijqthxsf]{font-size:.82rem;line-height:1.6;color:#4a4538;margin:0 0 1.5rem;font-family:Noto Sans JP,sans-serif}.notebook-paper[data-astro-cid-ijqthxsf]{position:relative;min-height:100%}.notebook-lines[data-astro-cid-ijqthxsf]{font-size:.88rem;line-height:2;color:#2e2c26;text-align:justify;white-space:pre-wrap}.essay-p[data-astro-cid-ijqthxsf]{margin-bottom:1.2rem;animation:textReveal .8s cubic-bezier(.16,1,.3,1) forwards;opacity:0;transform:translateY(10px)}.notebook-typing[data-astro-cid-ijqthxsf]{display:none;font-size:.75rem;color:#8c8574;margin-top:1rem;font-family:system-ui,sans-serif}.notebook-options[data-astro-cid-ijqthxsf]{display:flex;flex-direction:column;gap:8px}.notebook-option-btn[data-astro-cid-ijqthxsf]{width:100%;background:#eae6db;border:1px solid #dcd7c9;color:#2e2a22;padding:10px 14px;border-radius:8px;font-family:Noto Sans JP,sans-serif;font-size:.78rem;text-align:left;cursor:pointer;transition:all .25s ease;box-shadow:0 1px 2px #00000005}.notebook-option-btn[data-astro-cid-ijqthxsf]:hover{background:#fdfcf9;border-color:var(--sakura-300);color:var(--sakura-500);transform:translate(2px)}.book-details-wrapper[data-astro-cid-ijqthxsf]{max-width:640px;margin:4rem auto 2rem;background:var(--card-bg, rgba(255, 255, 255, .4));border:1px solid var(--card-border, rgba(255, 255, 255, .5));border-radius:24px;padding:2.5rem;backdrop-filter:blur(10px)}.details-title[data-astro-cid-ijqthxsf]{font-family:Shippori Mincho,serif;font-size:1.4rem;font-weight:600;color:var(--ink-800);margin:0 0 1.5rem;text-align:center}.details-table[data-astro-cid-ijqthxsf]{width:100%;border-collapse:collapse;margin-bottom:2rem}.details-table[data-astro-cid-ijqthxsf] th[data-astro-cid-ijqthxsf],.details-table[data-astro-cid-ijqthxsf] td[data-astro-cid-ijqthxsf]{padding:1rem;border-bottom:1px solid var(--ink-200);font-size:.9rem}.details-table[data-astro-cid-ijqthxsf] th[data-astro-cid-ijqthxsf]{width:120px;text-align:left;color:var(--sakura-500);font-weight:600;vertical-align:top}.details-table[data-astro-cid-ijqthxsf] td[data-astro-cid-ijqthxsf]{color:var(--ink-700);line-height:1.6}.details-table[data-astro-cid-ijqthxsf] tr[data-astro-cid-ijqthxsf]:last-child th[data-astro-cid-ijqthxsf],.details-table[data-astro-cid-ijqthxsf] tr[data-astro-cid-ijqthxsf]:last-child td[data-astro-cid-ijqthxsf]{border-bottom:none}.details-cta[data-astro-cid-ijqthxsf]{display:flex;justify-content:center}.back-to-products[data-astro-cid-ijqthxsf]{text-align:center;margin-top:3rem}.back-link[data-astro-cid-ijqthxsf]{font-size:.9rem;color:var(--ink-500);text-decoration:none;transition:color var(--duration-fast)}.back-link[data-astro-cid-ijqthxsf]:hover{color:var(--sakura-500)}@keyframes textReveal{to{opacity:1;transform:translateY(0)}}body.theme-night .book-title[data-astro-cid-ijqthxsf]{color:var(--ink-900)}body.theme-night .book-subtitle[data-astro-cid-ijqthxsf]{color:var(--sakura-300)}body.theme-night .book-summary[data-astro-cid-ijqthxsf]{color:var(--ink-600)}body.theme-night .book-badge[data-astro-cid-ijqthxsf]{background:#e8819c2e;color:var(--sakura-300)}body.theme-night .chika-bubble[data-astro-cid-ijqthxsf]{background:#e8819c14;color:var(--ink-700)}body.theme-night .adventure-card[data-astro-cid-ijqthxsf]{background:#2d2d4480;border-color:#ffffff14}body.theme-night .adventure-card[data-astro-cid-ijqthxsf]:hover{border-color:#e8819c40;box-shadow:0 12px 30px #0000004d}body.theme-night .adventure-num[data-astro-cid-ijqthxsf]{color:#e8819c33}body.theme-night .adventure-title[data-astro-cid-ijqthxsf]{color:var(--ink-900)}body.theme-night .adventure-desc[data-astro-cid-ijqthxsf]{color:var(--ink-600)}body.theme-night .adventure-key[data-astro-cid-ijqthxsf]{color:var(--sakura-400)}body.theme-night .book-details-wrapper[data-astro-cid-ijqthxsf]{background:#2d2d4466;border-color:#ffffff14}body.theme-night .details-title[data-astro-cid-ijqthxsf]{color:var(--ink-900)}body.theme-night .details-table[data-astro-cid-ijqthxsf] th[data-astro-cid-ijqthxsf]{color:var(--sakura-300)}body.theme-night .details-table[data-astro-cid-ijqthxsf] td[data-astro-cid-ijqthxsf]{color:var(--ink-600)}body.theme-night .details-table[data-astro-cid-ijqthxsf] th[data-astro-cid-ijqthxsf],body.theme-night .details-table[data-astro-cid-ijqthxsf] td[data-astro-cid-ijqthxsf]{border-color:#ffffff14}body.theme-night .section-subtitle[data-astro-cid-ijqthxsf],body.theme-night .back-link[data-astro-cid-ijqthxsf]{color:var(--ink-500)}body.theme-night .back-link[data-astro-cid-ijqthxsf]:hover{color:var(--sakura-400)}body.theme-night .book-hero[data-astro-cid-ijqthxsf]{background:transparent}body.theme-night .book-open[data-astro-cid-ijqthxsf]{background:#181822;border-color:#2a2a38;box-shadow:0 30px 70px #0000004d,0 10px 25px #00000026,inset 0 0 40px #0003}body.theme-night .book-spine[data-astro-cid-ijqthxsf]{background:linear-gradient(to right,#0003,#00000059 35%,#00000080,#00000059 65%,#0003);box-shadow:inset 1px 0 #ffffff0d,inset -1px 0 #ffffff0d}body.theme-night .book-page--left[data-astro-cid-ijqthxsf]{border-right-color:#ffffff0d;background:linear-gradient(to right,#1c1c2a 95%,#151520)}body.theme-night .book-page--right[data-astro-cid-ijqthxsf]{background:linear-gradient(to left,#1c1c2a 95%,#151520)}body.theme-night .notebook-header[data-astro-cid-ijqthxsf]{border-bottom-color:#2a2a38}body.theme-night .notebook-date[data-astro-cid-ijqthxsf]{color:#8c8574}body.theme-night .notebook-title-top[data-astro-cid-ijqthxsf]{color:var(--sakura-400)}body.theme-night .notebook-lines[data-astro-cid-ijqthxsf]{color:#d2c8c9}body.theme-night .notebook-index-lead[data-astro-cid-ijqthxsf]{color:#8a8a9a}body.theme-night .notebook-option-btn[data-astro-cid-ijqthxsf]{background:#2a2a3a;border-color:#3f3f5a;color:#d1cbd4}body.theme-night .notebook-option-btn[data-astro-cid-ijqthxsf]:hover{background:#34344c;border-color:var(--sakura-400);color:#fff}@media(max-width:768px){.book-hero[data-astro-cid-ijqthxsf]{padding:3rem 0}.book-hero-inner[data-astro-cid-ijqthxsf]{grid-template-columns:1fr;gap:2rem;text-align:center}.book-hero-info[data-astro-cid-ijqthxsf]{align-items:center}.book-cta-group[data-astro-cid-ijqthxsf]{width:100%;justify-content:center}.book-intro-msg[data-astro-cid-ijqthxsf]{flex-direction:column;align-items:center;text-align:center}.chika-bubble[data-astro-cid-ijqthxsf]{border-radius:20px;padding:1.2rem}.adventure-card[data-astro-cid-ijqthxsf]{padding:1.8rem}.book-details-wrapper[data-astro-cid-ijqthxsf]{padding:1.5rem}.details-table[data-astro-cid-ijqthxsf] th[data-astro-cid-ijqthxsf]{width:80px;padding:.8rem .5rem}.details-table[data-astro-cid-ijqthxsf] td[data-astro-cid-ijqthxsf]{padding:.8rem .5rem}.book-open[data-astro-cid-ijqthxsf]{grid-template-columns:1fr;height:auto;min-height:auto;overflow:visible}.book-spine[data-astro-cid-ijqthxsf]{display:none}.book-page[data-astro-cid-ijqthxsf]{padding:25px 20px;height:auto;min-height:320px}.book-page--left[data-astro-cid-ijqthxsf]{border-right:none;border-bottom:1px dashed #e0dbcd;background:linear-gradient(to bottom,#fbf9f5 95%,#eae6db)}.book-page--right[data-astro-cid-ijqthxsf]{background:linear-gradient(to top,#fbf9f5 95%,#eae6db)}body.theme-night .book-page--left[data-astro-cid-ijqthxsf]{border-bottom-color:#ffffff0d;background:linear-gradient(to bottom,#1c1c2a 95%,#151520)}body.theme-night .book-page--right[data-astro-cid-ijqthxsf]{background:linear-gradient(to top,#1c1c2a 95%,#151520)}}