*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}:root{--primary: #1a73e8;--success: #34a853;--danger: #ea4335;--warning: #fbbc04;--bg: #f0f2f5;--card-bg: #ffffff;--text: #202124;--text-muted: #5f6368;--border: #e0e0e0;--radius: 14px}html,body{height:100%;overflow-x:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic UI,Meiryo,Noto Sans JP,sans-serif;background:var(--bg);color:var(--text);min-height:100dvh;padding-bottom:80px}#app{max-width:480px;margin:0 auto;padding:0 12px}button{font-family:inherit;cursor:pointer;touch-action:manipulation}.yt-hidden[data-v-63e53ef9]{position:fixed;top:-400px;left:0;width:160px;height:90px;overflow:hidden;pointer-events:none;opacity:0;z-index:-1}.card[data-v-63e53ef9]{background:var(--card-bg);border-radius:var(--radius);padding:20px 16px;margin-bottom:14px;box-shadow:0 2px 10px #00000014;border-left:4px solid #e0e0e0;transition:border-color .4s ease}.card--correct[data-v-63e53ef9]{border-left-color:var(--success)}.card--incorrect[data-v-63e53ef9]{border-left-color:var(--danger)}.card-header[data-v-63e53ef9]{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.q-number[data-v-63e53ef9]{font-size:.78rem;font-weight:700;letter-spacing:2px;color:var(--text-muted)}.card-actions[data-v-63e53ef9]{display:flex;gap:2px}.icon-btn[data-v-63e53ef9]{background:none;border:none;padding:6px 8px;border-radius:8px;font-size:1rem;line-height:1;cursor:pointer;transition:background .15s}.icon-btn[data-v-63e53ef9]:active{background:#0000000f}.icon-btn--edit[data-v-63e53ef9]{color:#1557b0}.icon-btn--delete[data-v-63e53ef9]{color:#c62828}.info-toggle-row[data-v-63e53ef9]{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;background:#f8f9fa;border-radius:10px;margin-bottom:14px}.toggle-label[data-v-63e53ef9]{font-size:.9rem;font-weight:500;color:var(--text)}.toggle[data-v-63e53ef9]{display:flex;align-items:center;gap:8px;cursor:pointer}.toggle input[data-v-63e53ef9]{display:none}.toggle-track[data-v-63e53ef9]{position:relative;width:46px;height:26px;background:#ccc;border-radius:13px;transition:background .25s;flex-shrink:0}.toggle input:checked~.toggle-track[data-v-63e53ef9]{background:var(--primary)}.toggle-thumb[data-v-63e53ef9]{position:absolute;top:3px;left:3px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .25s;box-shadow:0 1px 4px #0003}.toggle input:checked~.toggle-track .toggle-thumb[data-v-63e53ef9]{transform:translate(20px)}.toggle-state[data-v-63e53ef9]{font-size:.75rem;font-weight:700;color:var(--text-muted);min-width:24px}.song-info[data-v-63e53ef9]{display:flex;align-items:center;gap:12px;padding:12px;background:#eef4ff;border-radius:10px;margin-bottom:14px;overflow:hidden}.thumbnail[data-v-63e53ef9]{width:90px;height:68px;object-fit:cover;border-radius:8px;flex-shrink:0;background:#ddd}.song-text[data-v-63e53ef9]{flex:1;min-width:0}.song-title[data-v-63e53ef9]{font-size:.95rem;font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}.song-artist[data-v-63e53ef9]{font-size:.82rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.play-row[data-v-63e53ef9]{display:flex;gap:10px;margin-bottom:14px}.btn[data-v-63e53ef9]{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:12px 8px;border:none;border-radius:10px;font-size:.9rem;font-weight:600;transition:opacity .15s,transform .1s,background .2s}.btn[data-v-63e53ef9]:active:not(:disabled){opacity:.75;transform:scale(.97)}.btn[data-v-63e53ef9]:disabled{opacity:.38;cursor:default}.btn-icon[data-v-63e53ef9]{font-size:1rem}.btn--preview[data-v-63e53ef9]{background:#e8f0fe;color:#1557b0}.btn--full[data-v-63e53ef9]{background:#e6f4ea;color:#1e6e36}.btn--playing[data-v-63e53ef9]{background:#ff6d00!important;color:#fff!important;animation:playing-pulse-63e53ef9 1.4s ease-in-out infinite}@keyframes playing-pulse-63e53ef9{0%,to{background:#ff6d00}50%{background:#e65100}}.timer[data-v-63e53ef9]{display:flex;align-items:baseline;justify-content:center;gap:4px;padding:16px 12px;background:#fff8e1;border-radius:10px;margin-bottom:14px}.timer-count[data-v-63e53ef9]{font-size:3rem;font-weight:800;color:#e65100;font-variant-numeric:tabular-nums;line-height:1;transition:color .3s}.timer-count--urgent[data-v-63e53ef9]{color:#d32f2f;animation:blink-63e53ef9 .6s step-end infinite}@keyframes blink-63e53ef9{0%,to{opacity:1}50%{opacity:.3}}.timer-unit[data-v-63e53ef9]{font-size:1.1rem;color:#e65100;font-weight:600}.answer-row[data-v-63e53ef9]{display:flex;gap:10px}.btn--correct[data-v-63e53ef9]{background:var(--success);color:#fff;font-size:1rem}.btn--incorrect[data-v-63e53ef9]{background:var(--danger);color:#fff;font-size:1rem}.result-badge[data-v-63e53ef9]{text-align:center;padding:14px;border-radius:10px;font-size:1.05rem;font-weight:700}.badge--correct[data-v-63e53ef9]{background:#e8f5e9;color:#1b5e20}.badge--incorrect[data-v-63e53ef9]{background:#fce8e6;color:#b71c1c}.slide-enter-active[data-v-63e53ef9],.slide-leave-active[data-v-63e53ef9]{transition:all .25s ease;overflow:hidden;max-height:200px}.slide-enter-from[data-v-63e53ef9],.slide-leave-to[data-v-63e53ef9]{max-height:0;opacity:0;margin-bottom:0;padding-top:0;padding-bottom:0}.fade-enter-active[data-v-63e53ef9],.fade-leave-active[data-v-63e53ef9]{transition:opacity .2s ease}.fade-enter-from[data-v-63e53ef9],.fade-leave-to[data-v-63e53ef9]{opacity:0}.overlay[data-v-064ba786]{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:flex;align-items:center;justify-content:center;z-index:500;padding:24px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal[data-v-064ba786]{background:#fff;border-radius:20px;padding:32px 24px 24px;width:100%;max-width:320px;text-align:center;box-shadow:0 12px 40px #00000040}.modal-title[data-v-064ba786]{font-size:1.15rem;font-weight:700;color:#202124;margin-bottom:8px}.modal-sub[data-v-064ba786]{font-size:.82rem;color:#5f6368;margin-bottom:28px;line-height:1.4}.modal-actions[data-v-064ba786]{display:flex;gap:12px}.btn-no[data-v-064ba786],.btn-yes[data-v-064ba786]{flex:1;padding:14px 8px;border:none;border-radius:12px;font-size:1rem;font-weight:600;transition:opacity .15s,transform .1s}.btn-no[data-v-064ba786]:active,.btn-yes[data-v-064ba786]:active{opacity:.8;transform:scale(.97)}.btn-no[data-v-064ba786]{background:#f1f3f4;color:#202124}.btn-yes[data-v-064ba786]{background:#ea4335;color:#fff}.form-screen[data-v-04097e75]{min-height:100dvh;background:var(--bg);display:flex;flex-direction:column}.form-header[data-v-04097e75]{display:flex;align-items:center;gap:12px;padding:14px 16px;background:#fff;border-bottom:1px solid #e0e0e0;position:sticky;top:0;z-index:10}.back-btn[data-v-04097e75]{background:none;border:none;font-size:.95rem;color:var(--primary);font-weight:600;padding:4px 8px 4px 0;cursor:pointer;flex-shrink:0}.form-page-title[data-v-04097e75]{font-size:1.05rem;font-weight:700;color:var(--text);margin:0}.form-body[data-v-04097e75]{padding:20px 16px;max-width:480px;width:100%;margin:0 auto}.thumb-preview[data-v-04097e75]{width:100%;height:140px;border-radius:12px;overflow:hidden;background:#e8ecf0;display:flex;align-items:center;justify-content:center;margin-bottom:20px}.thumb-img[data-v-04097e75]{width:100%;height:100%;object-fit:cover}.thumb-empty[data-v-04097e75]{font-size:3rem;opacity:.4}.field[data-v-04097e75]{margin-bottom:20px}.field-label[data-v-04097e75]{display:block;font-size:.82rem;font-weight:600;color:var(--text-muted);margin-bottom:6px;letter-spacing:.3px}.required[data-v-04097e75]{color:var(--danger)}.field-input[data-v-04097e75]{width:100%;padding:13px 14px;border:2px solid #e0e0e0;border-radius:10px;font-size:1rem;font-family:inherit;color:var(--text);background:#fff;transition:border-color .2s;outline:none;-webkit-appearance:none}.field-input[data-v-04097e75]:focus{border-color:var(--primary)}.field-input--error[data-v-04097e75]{border-color:var(--danger)}.field-hint[data-v-04097e75]{font-size:.78rem;color:var(--text-muted);margin-top:5px}.field-error[data-v-04097e75]{font-size:.8rem;color:var(--danger);margin-top:5px;font-weight:500}.field-warn[data-v-04097e75]{font-size:.8rem;color:#e65100;margin-top:5px}.form-actions[data-v-04097e75]{display:flex;gap:12px;margin-top:8px}.btn-cancel[data-v-04097e75],.btn-ok[data-v-04097e75]{flex:1;padding:15px 8px;border:none;border-radius:12px;font-size:1rem;font-weight:700;transition:opacity .15s,transform .1s}.btn-cancel[data-v-04097e75]:active,.btn-ok[data-v-04097e75]:active{opacity:.75;transform:scale(.97)}.btn-cancel[data-v-04097e75]{background:#f1f3f4;color:var(--text)}.btn-ok[data-v-04097e75]{background:var(--primary);color:#fff}.score-chip[data-v-3af12b04]{position:fixed;top:14px;right:14px;z-index:200;display:flex;align-items:center;gap:2px;background:#1a73e8f2;color:#fff;padding:8px 16px;border-radius:24px;box-shadow:0 3px 12px #1a73e866;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.score-value[data-v-3af12b04]{font-size:1.25rem;font-weight:800;font-variant-numeric:tabular-nums;line-height:1}.score-sep[data-v-3af12b04]{font-size:1.1rem;font-weight:400;opacity:.7;margin:0 2px}.main-content[data-v-3af12b04]{padding-top:66px;padding-bottom:16px}.completion-banner[data-v-3af12b04]{text-align:center;padding:14px 16px;margin-bottom:16px;background:linear-gradient(135deg,#34a853,#1e6e36);color:#fff;border-radius:12px;font-size:.95rem;font-weight:700;letter-spacing:.5px;box-shadow:0 4px 14px #34a85366}.empty-state[data-v-3af12b04]{text-align:center;padding:60px 24px;color:var(--text-muted)}.empty-icon[data-v-3af12b04]{font-size:3rem;margin-bottom:12px;opacity:.5}.fab[data-v-3af12b04]{position:fixed;bottom:calc(96px + env(safe-area-inset-bottom));right:16px;width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;font-size:1.7rem;line-height:1;border:none;box-shadow:0 4px 16px #1a73e873;z-index:150;display:flex;align-items:center;justify-content:center;transition:transform .15s,opacity .15s}.fab[data-v-3af12b04]:active{transform:scale(.92);opacity:.85}.footer[data-v-3af12b04]{position:fixed;bottom:0;left:0;right:0;padding:10px 12px;padding-bottom:calc(10px + env(safe-area-inset-bottom));background:#fffffff5;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid #e0e0e0;display:flex;justify-content:center;z-index:200}.reset-btn[data-v-3af12b04]{width:100%;max-width:480px;padding:14px;background:#ea4335;color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:700;letter-spacing:.5px;transition:opacity .15s,transform .1s}.reset-btn[data-v-3af12b04]:active{opacity:.8;transform:scale(.98)}.form-overlay[data-v-3af12b04]{position:fixed;top:0;right:0;bottom:0;left:0;z-index:400;overflow-y:auto;-webkit-overflow-scrolling:touch}.fade-enter-active[data-v-3af12b04],.fade-leave-active[data-v-3af12b04]{transition:opacity .2s ease}.fade-enter-from[data-v-3af12b04],.fade-leave-to[data-v-3af12b04]{opacity:0}.slide-down-enter-active[data-v-3af12b04],.slide-down-leave-active[data-v-3af12b04]{transition:all .3s ease;overflow:hidden;max-height:100px}.slide-down-enter-from[data-v-3af12b04],.slide-down-leave-to[data-v-3af12b04]{max-height:0;opacity:0;margin-bottom:0}.slide-up-enter-active[data-v-3af12b04],.slide-up-leave-active[data-v-3af12b04]{transition:transform .3s cubic-bezier(.4,0,.2,1)}.slide-up-enter-from[data-v-3af12b04],.slide-up-leave-to[data-v-3af12b04]{transform:translateY(100%)}