@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600&family=Noto+Serif+JP:wght@400;700&family=Noto+Sans+JP:wght@400;700&display=swap";:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--color-bg:#faf8f5;--color-text:#1c1c1b;--color-text-muted:#5e5c56;--color-primary:#d74b3a;--color-primary-hover:#b83a2c;--color-success:#7da79d;--color-success-hover:#658c82;--color-warn:#d0af4c;--color-card-bg:#fff;--color-card-border:#f0ede4;--color-border:#e6e2d8;--color-shadow:#2823190d;--font-kana:"Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", "MS Mincho", serif;font-family:Outfit,Inter,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Heiti SC,system-ui,-apple-system,sans-serif;font-size:16px}body.gothic-mode{--font-kana:"Noto Sans JP", "Hiragino Kaku Gothic Pro", "Yu Gothic", sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{background-color:var(--color-bg);min-height:100%;color:var(--color-text);background-image:radial-gradient(var(--color-border) 1px, transparent 1px), radial-gradient(var(--color-border) 1px, transparent 1px);background-position:0 0,12px 12px;background-size:24px 24px;margin:0}.page-shell{max-width:960px;margin:0 auto;padding:40px 24px 80px}.hero{border:1px solid var(--color-card-border);-webkit-backdrop-filter:blur(12px);box-shadow:0 20px 50px var(--color-shadow);background:#ffffffd9;border-radius:28px;gap:20px;margin-bottom:40px;padding:36px;display:grid;position:relative;overflow:hidden}.hero:before{content:"";background:var(--color-primary);width:6px;height:100%;position:absolute;top:0;left:0}.eyebrow{color:var(--color-primary);letter-spacing:.2em;text-transform:uppercase;margin:0 0 8px;font-size:.8rem;font-weight:600}.hero h1{letter-spacing:-1.5px;color:var(--color-text);margin:0;font-family:Outfit,Inter,system-ui,-apple-system,sans-serif;font-size:clamp(2.5rem,5vw,3.8rem);font-weight:800;line-height:1.05}.hero p{max-width:60ch;color:var(--color-text-muted);margin:0;line-height:1.8}.hero-actions{flex-wrap:wrap;gap:14px;margin-top:10px;display:flex}.hero-note{color:var(--color-text-muted);border-top:1px solid var(--color-border);margin-top:8px;padding-top:14px;font-size:.9rem}button{background:var(--color-primary);color:#fff;cursor:pointer;border:none;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:12px 26px;font-family:inherit;font-weight:500;transition:all .25s cubic-bezier(.4,0,.2,1);display:inline-flex;box-shadow:0 4px 12px #d74b3a26}button:hover{background:var(--color-primary-hover);transform:translateY(-2px);box-shadow:0 8px 18px #d74b3a40}button:active{transform:translateY(0)}button.secondary{background:var(--color-card-bg);color:var(--color-text);border:1px solid var(--color-border);box-shadow:0 2px 6px #00000005}button.secondary:hover{background:var(--color-bg);color:var(--color-text);border-color:#c8c2b5;box-shadow:0 4px 12px #0000000d}.category-switcher,.script-switcher,.quiz-mode-switcher{flex-wrap:wrap;gap:10px;margin-top:20px;display:flex}.category-switcher button,.script-switcher button,.quiz-mode-switcher button{background:var(--color-card-bg);min-width:80px;color:var(--color-text-muted);border:1px solid var(--color-card-border);border-radius:16px;flex:auto;padding:10px 18px;font-size:.95rem;box-shadow:0 2px 6px #00000003}.category-switcher button:hover,.script-switcher button:hover,.quiz-mode-switcher button:hover{color:var(--color-text);background:#faf9f6;border-color:#dcd7ca;transform:translateY(-1px)}.category-switcher button.active,.script-switcher button.active,.quiz-mode-switcher button.active,.origin-toggle.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary);box-shadow:0 4px 12px #d74b3a33}.section{margin-top:40px;animation:.4s ease-out fadeIn}.section.hidden{display:none!important}.section-header{margin-bottom:24px}.section-header h2{margin:0 0 6px;font-family:Noto Serif JP,serif;font-size:1.6rem;font-weight:700}.section-header p{color:var(--color-text-muted);margin:0;font-size:.95rem}.card-grid{grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:12px;margin-top:24px;display:grid}.kana-card{perspective:1000px;cursor:pointer;width:100%;height:110px;box-shadow:none;background:0 0;border:none;padding:0;position:relative}.kana-card-inner{text-align:center;width:100%;height:100%;transform-style:preserve-3d;box-shadow:0 6px 20px var(--color-shadow);border-radius:18px;transition:transform .6s cubic-bezier(.34,1.56,.64,1);position:relative}.kana-card:hover .kana-card-inner{transform:translateY(-4px);box-shadow:0 12px 28px #2823191a}.kana-card.flipped .kana-card-inner{transform:rotateY(180deg)translateY(-4px)}.kana-card-front,.kana-card-back{backface-visibility:hidden;background:var(--color-card-bg);border:1px solid var(--color-card-border);border-radius:18px;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;padding:10px;display:flex;position:absolute}.kana-card-back{background:#fdfdfb;border-color:#e3decb;transform:rotateY(180deg)}.kana-card .kana-symbol{font-size:2.2rem;line-height:1.1;font-family:var(--font-kana);color:var(--color-text);white-space:nowrap;text-overflow:clip;max-width:100%;font-weight:700;overflow:visible}.kana-card .kana-roma{color:var(--color-text-muted);letter-spacing:.5px;margin-top:4px;font-size:.85rem;font-weight:500}.origin-stamp{color:#d74b3a1f;width:32px;height:32px;font-size:.65rem;font-family:var(--font-kana);pointer-events:none;border:1.5px dashed #d74b3a1f;border-radius:50%;justify-content:center;align-items:center;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:absolute;top:6px;right:6px;transform:rotate(-15deg)}.kana-card.show-origin-stamp .origin-stamp{color:#d74b3ad9;background:#d74b3a0a;border-color:#d74b3a99}.kana-card-back .back-hint{color:var(--color-primary);white-space:nowrap;text-overflow:clip;max-width:100%;margin-top:4px;font-family:Outfit,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Heiti SC,sans-serif;font-size:.7rem;overflow:visible}.kana-card.has-long-text-small,.kana-card.has-long-text-medium,.kana-card.has-long-text{grid-column:span 2}.kana-card.has-long-text-small .kana-symbol,.kana-card.has-long-text-medium .kana-symbol,.kana-card.has-long-text .kana-symbol{letter-spacing:normal;text-overflow:clip;overflow:visible}.kana-card.has-long-text .back-hint,.kana-card.has-long-text-medium .back-hint,.kana-card.has-long-text-small .back-hint{letter-spacing:normal;text-overflow:clip;font-size:.72rem;overflow:visible}.quiz-panel{border:1px solid var(--color-card-border);box-shadow:0 20px 50px var(--color-shadow);background:#ffffffe6;border-radius:28px;gap:24px;margin-top:24px;padding:36px;display:grid;position:relative}.quiz-card{text-align:center;flex-direction:column;align-items:center;gap:16px;display:flex}.quiz-label{color:var(--color-text-muted);margin:0;font-size:1.05rem;font-weight:500}.quiz-prompt{border:1px solid var(--color-card-border);min-width:120px;min-height:120px;font-size:3.5rem;font-weight:700;font-family:var(--font-kana);color:var(--color-text);box-shadow:inset 0 2px 8px #00000005, 0 4px 15px var(--color-shadow);background:#fdfdfb;border-radius:24px;justify-content:center;align-items:center;padding:10px 24px;transition:all .25s;display:inline-flex}.quiz-prompt.roma-prompt{color:var(--color-primary);font-family:Outfit,sans-serif;font-size:2.8rem}.quiz-mode{color:var(--color-text-muted);border:1px solid var(--color-card-border);background:#faf8f5;border-radius:99px;margin-top:-4px;padding:6px 14px;font-size:.9rem}.quiz-hint{color:var(--color-text-muted);background:#d0af4c0f;border:1px solid #d0af4c33;border-radius:14px;max-width:450px;padding:10px 18px;font-size:.95rem;line-height:1.5;transition:all .3s}.quiz-hint.active{color:var(--color-primary);background:#d74b3a0d;border-color:#d74b3a40}.spelling-quiz-container{flex-direction:column;align-items:center;gap:16px;width:100%;margin-top:10px;display:flex}.spelling-preview-wrapper{align-items:center;gap:10px;width:100%;max-width:420px;display:flex}.spelling-preview{border:2px solid var(--color-border);letter-spacing:2px;background:#faf9f6;border-radius:16px;flex:1;justify-content:center;align-items:center;min-height:54px;font-family:Outfit,sans-serif;font-size:1.8rem;font-weight:600;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex;box-shadow:inset 0 2px 4px #00000005}.spelling-preview.empty{color:var(--color-text-muted);letter-spacing:0;font-size:.95rem;font-weight:400}.spelling-preview.shake{border-color:var(--color-primary);background:#d74b3a05;animation:.4s ease-in-out shake;box-shadow:0 0 15px #d74b3a26}.spelling-preview.correct{border-color:var(--color-success);color:var(--color-success);background:#7da79d05;animation:.6s ink-spread;box-shadow:0 0 15px #7da79d26}.spelling-btn-clear,.spelling-btn-backspace{color:var(--color-text);cursor:pointer;width:50px;height:54px;box-shadow:none;background:#e6e2d8;border:none;border-radius:14px;padding:0;font-size:1.1rem;font-weight:600}.spelling-btn-clear:hover,.spelling-btn-backspace:hover{box-shadow:none;background:#dcd7ca;transform:scale(.96)}.spelling-bubble-keyboard{flex-wrap:wrap;justify-content:center;gap:10px;max-width:480px;margin-top:8px;display:flex}.spelling-bubble-btn{background:var(--color-card-bg);border:1px solid var(--color-border);width:50px;height:50px;box-shadow:0 4px 10px var(--color-shadow);color:var(--color-text);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;padding:0;font-family:Outfit,sans-serif;font-size:1.25rem;font-weight:600;transition:all .25s cubic-bezier(.175,.885,.32,1.275);display:flex}.spelling-bubble-btn:hover{background:var(--color-primary);color:#fff;border-color:var(--color-primary);transform:translateY(-3px)scale(1.08);box-shadow:0 6px 15px #d74b3a40}.spelling-bubble-btn:active{transform:scale(.9)}.mc-options{grid-template-columns:repeat(2,1fr);gap:14px;width:100%;max-width:500px;margin:10px auto;display:grid}.mc-options button{background:var(--color-card-bg);color:var(--color-text);border:1px solid var(--color-card-border);box-shadow:0 4px 12px var(--color-shadow);border-radius:18px;flex-direction:column;justify-content:center;align-items:center;padding:16px;font-size:1.4rem;font-weight:600;display:flex}.mc-options button:hover{color:var(--color-text);background:#faf8f5;border-color:#dcd7ca;transform:translateY(-2px);box-shadow:0 8px 18px #28231914}.mc-options button.correct{animation:.6s ink-spread;background:var(--color-success)!important;border-color:var(--color-success)!important;color:#fff!important}.mc-options button.incorrect{animation:.4s ease-in-out shake;background:var(--color-primary)!important;border-color:var(--color-primary)!important;color:#fff!important}.match-game-container{grid-template-columns:repeat(4,1fr);gap:10px;width:100%;max-width:540px;margin:16px auto;display:grid}.match-card{background:var(--color-card-bg);border:1.5px solid var(--color-card-border);min-height:72px;color:var(--color-text);cursor:pointer;box-shadow:0 4px 10px var(--color-shadow);-webkit-user-select:none;user-select:none;text-align:center;white-space:nowrap;text-overflow:ellipsis;border-radius:16px;justify-content:center;align-items:center;max-width:100%;padding:0 6px;font-size:1.3rem;font-weight:600;transition:all .25s cubic-bezier(.4,0,.2,1);display:flex;overflow:hidden}.match-card.is-roma{color:var(--color-primary);font-family:Outfit,sans-serif;font-size:1.15rem}.match-card.is-kana{font-family:var(--font-kana)}.match-card.has-long-text{letter-spacing:normal;text-overflow:clip;grid-column:span 2;padding:0 8px;overflow:visible}.match-card.is-roma.has-long-text{letter-spacing:normal}.match-card:hover{border-color:#dcd7ca;transform:translateY(-2px);box-shadow:0 8px 16px #28231914}.match-card.selected{border-color:var(--color-primary);color:var(--color-primary);background:#d74b3a05;transform:scale(1.03);box-shadow:0 4px 12px #d74b3a1a}.match-card.matched{border-color:var(--color-success);color:var(--color-success);visibility:hidden;opacity:0;background:#7da79d08;transition:all .4s ease-out;transform:scale(.8)}.match-card.incorrect{border-color:var(--color-primary);background:#d74b3a0a;animation:.4s ease-in-out shake}.quiz-feedback{min-height:28px;color:var(--color-text);text-align:center;font-size:1.1rem;font-weight:600;transition:all .2s}.quiz-feedback.success{color:var(--color-success)}.quiz-feedback.error{color:var(--color-primary)}.quiz-stats-panel{border-top:1px solid var(--color-border);flex-direction:column;gap:12px;width:100%;max-width:500px;margin:0 auto;padding-top:20px;display:flex}.quiz-stats{color:var(--color-text-muted);justify-content:space-between;align-items:center;font-size:.9rem;font-weight:500;display:flex}.scroll-progress-bar{background:#e6e2d8;border-radius:999px;width:100%;height:10px;position:relative;overflow:hidden;box-shadow:inset 0 1px 3px #0000000f}.scroll-progress-fill{background:linear-gradient(90deg, var(--color-primary) 0%, #f38f83 100%);border-radius:999px;width:0%;height:100%;transition:width .4s cubic-bezier(.4,0,.2,1)}.review-summary{color:var(--color-text-muted);text-align:center;font-size:.9rem}.quiz-actions{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:10px;display:flex}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-6px)}40%,80%{transform:translate(6px)}}@keyframes ink-spread{0%{transform:scale(1);box-shadow:0 0 #7da79d4d}50%{transform:scale(1.03);box-shadow:0 0 0 14px #7da79d00}to{transform:scale(1);box-shadow:0 0 #7da79d00}}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media (width<=600px){.page-shell{padding:20px 16px 60px}.hero{margin-bottom:24px;padding:24px}.quiz-panel{padding:24px}.mc-options{grid-template-columns:1fr}.match-game-container{grid-template-columns:repeat(3,1fr)}.spelling-bubble-btn{width:44px;height:44px;font-size:1.15rem}}