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1fr;gap:64px;margin-bottom:48px;display:grid}.footer-brand{flex-direction:column;gap:16px;display:flex}.footer-brand .brand-button{width:fit-content}.footer-desc{color:var(--slate-500);max-width:420px;margin:0;font-size:.92rem;line-height:1.6}.footer-links-col{flex-direction:column;gap:20px;display:flex}.footer-links-col h4{text-transform:uppercase;letter-spacing:.05em;color:var(--slate-900);margin:0;font-size:.85rem;font-weight:700}.footer-links-col ul{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.footer-links-col a{color:var(--slate-500);transition:var(--transition-smooth);font-size:.9rem;font-weight:500;text-decoration:none}.footer-links-col a:hover{color:var(--indigo-600)}:root[data-theme=dark] .footer-links-col a:hover{color:#a5b4fc}.footer-bottom{border-top:1px solid var(--border-color);color:var(--slate-400);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-top:24px;font-size:.85rem;display:flex}.footer-bottom p{margin:0}.footer-badge{border:1px solid var(--border-color);color:var(--indigo-600);background:#6366f10f;border-radius:20px;padding:4px 12px;font-size:.75rem;font-weight:600}:root[data-theme=dark] .footer-badge{color:#a5b4fc;background:#6366f126}@media (width<=768px){.footer-grid{grid-template-columns:1fr;gap:40px}.footer-bottom{text-align:center;flex-direction:column}}.kana-section{flex-direction:column;gap:32px;max-width:900px;margin:0 auto;padding:40px 0;display:flex}.kana-header-bar{border-bottom:1px solid var(--border-color);flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;padding-bottom:24px;display:flex}.kana-title-group h2{color:var(--slate-900);margin:0 0 6px;font-size:1.8rem;font-weight:800}.kana-title-group p{color:var(--slate-500);max-width:480px;margin:0;font-size:.95rem}.kana-controls-group{flex-wrap:wrap;align-items:center;gap:16px;display:flex}.segmented{background:var(--bg-card);border:1px solid 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0}.kana-header-bar{flex-direction:column;align-items:stretch}.kana-grid-container{padding:16px}.kana-grid-header-row,.kana-grid-row{gap:6px}.kana-card{border-radius:10px;padding:6px}.kana-character{font-size:1.4rem}.kana-romaji{font-size:.7rem}}.kana-page-layout{grid-template-columns:1fr;align-items:start;gap:32px;display:grid}@media (width>=901px){.kana-page-layout{grid-template-columns:1fr 300px}.kana-practice-sidebar{position:sticky;top:96px}}.kana-card.active-practice{border-color:var(--indigo-500);background:#6366f10a;box-shadow:0 0 0 3px #6366f126}:root[data-theme=dark] .kana-card.active-practice{background:#6366f114;border-color:#6366f1}.kana-practice-sidebar{text-align:center;border-radius:20px;flex-direction:column;align-items:center;gap:20px;padding:24px;display:flex}.practice-header h3{color:var(--slate-900);margin:0 0 4px;font-size:1.1rem;font-weight:700}.practice-header p{color:var(--slate-500);margin:0;font-size:.8rem;line-height:1.4}.canvas-wrapper{background:var(--bg-card);border:1.5px solid var(--border-color);width:220px;height:220px;box-shadow:var(--shadow-sm);border-radius:16px;position:relative;overflow:hidden}.canvas-guide-char{color:#e2e8f08c;pointer-events:none;-webkit-user-select:none;user-select:none;z-index:1;font-family:Hiragino Sans,Yu Gothic,Noto Sans JP,sans-serif;font-size:7.5rem;font-weight:800;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}:root[data-theme=dark] .canvas-guide-char{color:#ffffff09}#kanaCanvas{z-index:2;cursor:crosshair;position:absolute;top:0;left:0}.canvas-actions{gap:12px;width:100%;display:flex}.canvas-actions button{border-radius:12px;flex:1;padding:10px 16px;font-size:.85rem;font-weight:600}.kana-quiz-card{border-radius:20px;flex-direction:column;gap:24px;min-height:400px;padding:32px;display:flex}.quiz-progress-header{border-bottom:1px solid 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.stroke-guide-toggle-btn.active{color:#a5b4fc;background:#6366f126}.stroke-order-overlay{background:var(--bg-card);z-index:5;justify-content:center;align-items:center;width:100%;height:100%;padding:16px;display:flex;position:absolute;top:0;left:0}#strokeOrderContainer{justify-content:center;align-items:center;width:100%;height:100%;display:flex}.stroke-order-overlay svg{width:100%;max-width:180px;height:100%;max-height:180px}.stroke-order-overlay path{transition:stroke .3s;stroke:var(--slate-800)!important;stroke-width:3.5px!important;fill:none!important}:root[data-theme=dark] .stroke-order-overlay path{stroke:#fff!important}.stroke-order-overlay text{fill:var(--indigo-500)!important;font-family:Outfit,Inter,sans-serif!important;font-size:8px!important;font-weight:800!important}:root[data-theme=dark] .stroke-order-overlay text{fill:#818cf8!important}.stroke-loading,.stroke-error{color:var(--slate-400);justify-content:center;align-items:center;width:100%;height:100%;font-size:.85rem;font-weight:600;display:flex}.stroke-error{color:#ef4444;text-align:center;padding:12px}.secondary-button.active{color:var(--indigo-600);background:#6366f114;border-color:#6366f166}:root[data-theme=dark] .secondary-button.active{color:#a5b4fc;background:#6366f126}.kanji-search-box-container{width:100%;margin-bottom:24px}.kanji-search-box-container input[type=search]{border:1.5px solid var(--border-color);background:var(--bg-card);width:100%;box-shadow:var(--shadow-sm);transition:var(--transition-smooth);border-radius:12px;padding:12px 16px;font-size:.95rem}.kanji-search-box-container input[type=search]:focus{border-color:var(--indigo-500);box-shadow:0 0 0 4px #4f46e51a}.kanji-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:16px;width:100%;display:grid}.kanji-card{border:1.5px solid var(--border-color);background:var(--bg-card);cursor:pointer;text-align:center;border-radius:16px;flex-direction:column;justify-content:space-between;align-items:center;min-height:130px;padding:16px 12px;transition:all .25s cubic-bezier(.16,1,.3,1);display:flex}.kanji-card:hover{border-color:var(--indigo-400);transform:translateY(-4px)scale(1.03);box-shadow:0 10px 20px -8px #6366f126}:root[data-theme=dark] .kanji-card:hover{box-shadow:0 10px 20px -8px #0006}.kanji-symbol{color:var(--slate-900);font-family:Noto Sans JP,sans-serif;font-size:2.2rem;font-weight:800;line-height:1.1}.kanji-card-readings{flex-direction:column;gap:2px;width:100%;margin-top:6px;display:flex}.kanji-card-readings span{color:var(--slate-400);white-space:nowrap;text-overflow:ellipsis;font-size:.65rem;font-weight:700;overflow:hidden}.kanji-card-readings .onyomi{color:var(--slate-500)}.kanji-meaning{color:var(--slate-500);border-top:1px solid var(--border-color);text-transform:capitalize;white-space:nowrap;text-overflow:ellipsis;width:100%;margin-top:8px;padding-top:6px;font-size:.72rem;font-weight:600;overflow:hidden}.quiz-reading-hint{color:var(--slate-500);margin-top:-8px;margin-bottom:8px;font-family:Outfit,sans-serif;font-size:.95rem;font-weight:600}@media (width<=600px){.kanji-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:10px}.kanji-card{min-height:110px;padding:12px 8px}.kanji-symbol{font-size:1.8rem}.kanji-card-readings span{font-size:.6rem}.kanji-meaning{margin-top:6px;padding-top:4px;font-size:.65rem}}.practice-details-box{border-top:1.5px dashed var(--border-color);text-align:left;flex-direction:column;gap:10px;width:100%;margin-top:12px;padding-top:16px;display:flex}.details-row{justify-content:space-between;align-items:center;padding:2px 0;font-size:.85rem;display:flex}.details-row strong{color:var(--slate-400);text-transform:uppercase;letter-spacing:.05em;font-size:.7rem;font-weight:700}.details-row span{color:var(--slate-800);font-weight:700}:root[data-theme=dark] .details-row span{color:var(--slate-200)}.notebook-container{background:var(--bg-card);border:1.5px solid var(--border-color);box-shadow:var(--shadow-lg);border-radius:24px;grid-template-columns:1fr 1fr;min-height:610px;max-height:610px;margin-top:24px;transition:max-height .3s;display:grid;position:relative;overflow:hidden}.notebook-spine{z-index:10;pointer-events:none;background:linear-gradient(90deg,#00000005,#ffffff0a 50%,#00000005);border-left:1px solid #00000008;border-right:1px solid #00000008;flex-direction:column;justify-content:space-evenly;align-items:center;width:32px;display:flex;position:absolute;top:0;bottom:0;left:50%;transform:translate(-50%)}.spine-ring{background:linear-gradient(90deg,#cbd5e1,#fff 50%,#64748b);border:1.5px solid #94a3b8;border-radius:5px;width:14px;height:18px;box-shadow:1px 1.5px 3px #00000026}.notebook-page{background-image:linear-gradient(#6366f104 1px,#0000 1px);background-size:100% 28px;flex-direction:column;height:610px;padding:24px 32px;display:flex;position:relative}.left-page{border-right:1.5px solid var(--border-color);padding-right:28px;overflow-y:auto}.left-page::-webkit-scrollbar{width:6px}.left-page::-webkit-scrollbar-track{background:0 0}.left-page::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}.right-page{justify-content:flex-start;align-items:center;gap:16px;padding-left:28px}.left-page .kanji-search-box-container{margin-bottom:20px}@media (width<=900px){.notebook-container{grid-template-columns:1fr;min-height:auto;max-height:none}.notebook-spine{display:none}.notebook-page{height:auto;padding:24px 16px}.left-page{border-right:none;border-bottom:1.5px dashed var(--border-color);padding-right:16px;overflow-y:visible}.right-page{padding-left:16px}}