:root{--qz-accent: #faba40;--qz-accent-dark: #313a49;--qz-accent-light: rgba(250, 186, 64, .12);--qz-accent-ring: rgba(250, 186, 64, .25);--qz-bg: #fafaf8;--qz-surface: #ffffff;--qz-surface-2: #f4f4f0;--qz-text: #1a1a1a;--qz-text-sub: #5a5a5a;--qz-border: #e0e0da;--qz-shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--qz-shadow-md: 0 4px 16px rgba(0, 0, 0, .08);--qz-correct: #16a34a;--qz-correct-bg: #dcfce7;--qz-incorrect: #dc2626;--qz-incorrect-bg: #fee2e2;--qz-space-xs: .5rem;--qz-space-sm: 1rem;--qz-space-md: 1.5rem;--qz-space-lg: 2.5rem;--qz-radius-sm: 6px;--qz-radius-md: 12px;--qz-radius-lg: 20px}.qz-state-msg{text-align:center;padding:var(--qz-space-lg) var(--qz-space-sm);color:var(--qz-text-sub);font-size:.95rem;min-height:80px}.hex-color-preview{width:100%;max-width:320px;height:80px;margin:var(--qz-space-xs) auto;border:1.5px solid var(--qz-border);border-radius:var(--qz-radius-md);transition:background-color 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var(--qz-border);border-radius:var(--qz-radius-sm);background:var(--qz-surface-2);color:var(--qz-text);font-family:inherit;font-size:.85rem}.report-form-actions{display:flex;gap:8px}.report-form-actions button{padding:6px 14px;font-size:.82rem;font-weight:600;border:none;border-radius:var(--qz-radius-sm);cursor:pointer;font-family:inherit}.report-submit-btn{background:#f97316;color:#fff}.report-cancel-btn{background:var(--qz-surface-2);color:var(--qz-text-sub);border:1px solid var(--qz-border)}.report-message{font-size:.82rem;font-weight:600;text-align:center;min-height:1.2em}.report-message.is-success{color:var(--qz-correct)}.report-message.is-error{color:var(--qz-incorrect)}.hex-ascii-table{border-collapse:collapse;font-size:.82rem;white-space:nowrap}.hex-ascii-table th{padding:8px 10px;text-align:center;font-weight:700;color:#fff;background:var(--qz-accent);border:1px solid rgba(255,255,255,.15)}.hex-ascii-table td{padding:7px 10px;text-align:center;color:var(--qz-text);background:var(--qz-surface);border:1px solid var(--qz-border);transition:background .1s}.hex-ascii-table tr:hover td{background:var(--qz-accent-light)}.hex-ascii-corner{font-size:.72rem;line-height:1.4;background:var(--qz-accent-dark)!important}.hex-ascii-ctrl{font-size:.72rem;color:var(--qz-text-sub)}@media(max-width:600px){.hex-ascii-table{font-size:.72rem}.hex-ascii-table th,.hex-ascii-table td{padding:5px 6px}}body.dark{--qz-bg: #141414;--qz-surface: #1e1e1e;--qz-surface-2: #2a2a2a;--qz-text: #f0f0ec;--qz-text-sub: #9a9a90;--qz-border: #333330;--qz-shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--qz-shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--qz-correct-bg: rgba(22, 163, 74, .2);--qz-incorrect-bg: rgba(220, 38, 38, .2);--qz-accent-light: rgba(250, 186, 64, .16);--qz-accent-ring: rgba(250, 186, 64, .3)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Yu 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var(--qz-border)}.qz-tutorial-panel__title{font-weight:700;font-size:1rem}.qz-tutorial-panel__close{background:transparent;border:none;cursor:pointer;font-size:1.3rem;color:var(--qz-text-sub);padding:4px;line-height:1}.qz-tutorial-content h2{font-size:1rem;font-weight:700;margin:var(--qz-space-sm) 0 6px;color:var(--qz-text)}.qz-tutorial-content p{font-size:.88rem;color:var(--qz-text-sub);line-height:1.7;margin-bottom:10px}.qz-tutorial-content ul{padding-left:1.2rem;font-size:.88rem;color:var(--qz-text-sub);line-height:1.8}.qz-tutorial-content code{background:var(--qz-accent-light);padding:1px 5px;border-radius:3px;font-size:.85em}@media(max-width:600px){.qz-range-chips{grid-template-columns:1fr 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var(--qz-border);border-radius:var(--qz-radius-md);background:var(--qz-surface-2);color:var(--qz-text);font-family:inherit;font-size:.95rem;text-align:left;cursor:pointer;transition:border-color .15s,background .15s,transform .1s}.qz-choice:hover:not(:disabled){border-color:var(--qz-accent);background:var(--qz-accent-light);transform:translate(3px)}.qz-choice.is-locked{cursor:not-allowed}.qz-choice.is-correct{border-color:var(--qz-correct);background:var(--qz-correct-bg);color:var(--qz-correct)}.qz-choice.is-incorrect{border-color:var(--qz-incorrect);background:var(--qz-incorrect-bg);color:var(--qz-incorrect)}.qz-choice__letter{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--qz-border);color:var(--qz-text-sub);font-size:.75rem;font-weight:700;flex-shrink:0;transition:background .15s,color .15s}.qz-choice:hover:not(:disabled) .qz-choice__letter{background:var(--qz-accent);color:var(--qz-accent-dark)}.qz-choice.is-correct .qz-choice__letter{background:var(--qz-correct);color:#fff}.qz-choice.is-incorrect .qz-choice__letter{background:var(--qz-incorrect);color:#fff}.qz-choice__text{flex:1;line-height:1.5}.qz-input-wrap{display:flex;flex-direction:column;align-items:center;gap:10px;margin:var(--qz-space-sm) 0}.qz-input-label{font-size:.9rem;font-weight:600;color:var(--qz-text-sub)}.qz-input-row{display:flex;gap:10px;align-items:center}.qz-answer-input{width:180px;padding:12px 16px;font-size:1.4rem;font-weight:700;text-align:center;border:2px solid var(--qz-border);border-radius:var(--qz-radius-md);background:var(--qz-surface);color:var(--qz-text);font-family:inherit;transition:border-color .15s,box-shadow 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