/* フロントエンドスタイル */

/* 共通変数 - CSS Custom Properties */
:root {
    --qq-primary-color: #0066cc;
    --qq-primary-dark: #0052a3;
    --qq-success-color: #4caf50;
    --qq-success-dark: #388e3c;
    --qq-success-bg: #e8f5e9;
    --qq-error-color: #f44336;
    --qq-error-bg: #ffebee;
    --qq-warning-bg: #e3f2fd;
    --qq-bg-white: #fff;
    --qq-bg-light: #f9f9f9;
    --qq-border-color: #e0e0e0;
    --qq-text-dark: #333;
    --qq-text-medium: #666;
    --qq-border-radius: 8px;
    --qq-border-radius-sm: 4px;
    --qq-border-radius-lg: 12px;
    --qq-spacing: 20px;
    --qq-spacing-sm: 10px;
    --qq-spacing-lg: 30px;
    --qq-transition: all 0.3s ease;
    --qq-touch-target: 44px; /* スマホ用最小タッチターゲットサイズ */

    /* レスポンシブ用CSS変数 */
    --qq-container-padding: 30px;
    --qq-btn-padding: 12px 24px;
    --qq-btn-font-size: 16px;
    --qq-tablet-padding: 15px;
    --qq-mobile-padding: 12px;
    --qq-mobile-btn-padding: 12px 16px;
    --qq-mobile-btn-font: 15px;
}

/* スマホ対応 - タッチデバイス用の改善 */
.qq-touch-device .qq-option,
.qq-touch-device .qq-fill-blank-option,
.qq-touch-device .qq-checkbox-item,
.qq-touch-device .qq-btn {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    cursor: pointer;
}

.qq-touch-device .qq-option:active,
.qq-touch-device .qq-fill-blank-option:active,
    /* 768px以下：タブレット統合 */
.qq-touch-device .qq-btn:active {
    transform: scale(0.98);
}

/* スマホ用のタッチターゲットサイズ確保 */
@media (max-width: 480px) {
    .qq-touch-device .qq-btn,
    .qq-touch-device .qq-checkbox-item,
    .qq-touch-device .qq-option {
        min-height: var(--qq-touch-target);
    }
    
    .qq-touch-device input[type="checkbox"],
    .qq-touch-device input[type="radio"] {
        min-width: 20px;
        min-height: 20px;
    }
}

/* 問題リスト */
.qq-question-list {
    margin: var(--qq-spacing) 0;
}

.qq-question-item {
    background: var(--qq-bg-white);
    border: 1px solid var(--qq-border-color);
    /* 480px以下：スマホ統合 */
    border-radius: var(--qq-border-radius);
    padding: var(--qq-spacing);
    margin-bottom: var(--qq-spacing);
    transition: box-shadow 0.3s ease;
}

.qq-question-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.qq-question-title {
    margin: 0 0 var(--qq-spacing-sm);
    font-size: 18px;
    font-weight: 600;
}

.qq-question-title a {
    color: var(--qq-text-dark);
    text-decoration: none;
}

.qq-question-title a:hover {
    color: var(--qq-primary-color);
}

.qq-question-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 14px;
    color: var(--qq-text-medium);
}

.qq-question-meta span {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: var(--qq-bg-light);
    border-radius: var(--qq-border-radius-sm);
}

.qq-question-excerpt {
    color: var(--qq-text-medium);
    line-height: 1.6;
}

/* 問題コンテンツ */
.qq-question-content {
    background: var(--qq-bg-white);
    border-radius: var(--qq-border-radius);
    padding: var(--qq-spacing-lg);
    margin: var(--qq-spacing) 0;
}

.qq-question-body {
    margin: var(--qq-spacing) 0;
    font-size: 16px;
}

/* 回答選択肢 */
.qq-answer-options {
    margin: var(--qq-spacing-lg) 0;
}

.qq-multiple-choice-note {
    margin: 0 0 15px 0;
    padding: 8px 12px;
    background: var(--qq-warning-bg);
    border-left: 4px solid #2196f3;
    color: #1565c0;
    font-size: 14px;
    font-weight: 600;
}

.qq-option {
    display: flex;
    align-items: flex-start;
    padding: 15px;
    margin-bottom: var(--qq-spacing-sm);
    background: var(--qq-bg-light);
    border: 2px solid var(--qq-border-color);
    border-radius: var(--qq-border-radius);
    cursor: pointer;
    transition: var(--qq-transition);
}

.qq-option:hover { background: #f0f0f0; border-color: var(--qq-primary-color); }
.qq-option label { display: flex; align-items: flex-start; width: 100%; gap: 0; }
.qq-option input[type="radio"],
.qq-option input[type="checkbox"] { margin: 4px 6px 0 0; cursor: pointer; flex-shrink: 0; }
.qq-option-label { font-weight: 600; margin-right: 4px; color: var(--qq-primary-color); display: inline-block; min-width: 1.4em; flex-shrink: 0; line-height: 1.4; }
.qq-option-text { flex: 1; line-height: 1.6; }
/* 選択肢内の段落タグはインライン表示にして改行を抑制 */
.qq-option-text p, .qq-option p { display: inline; margin: 0; padding: 0; }
.qq-option.correct { background: var(--qq-success-bg); border-color: var(--qq-success-color); }
.qq-option.incorrect { background: var(--qq-error-bg); border-color: var(--qq-error-color); }

/* ボタン - 共通スタイル */
.qq-btn {
    padding: var(--qq-btn-padding);
    background: var(--qq-primary-color);
    color: var(--qq-bg-white);
    border: none;
    border-radius: 6px;
    font-size: var(--qq-btn-font-size);
    cursor: pointer;
    transition: var(--qq-transition);
}

.qq-btn:hover:not(:disabled) { background: var(--qq-primary-dark); }
.qq-btn:disabled { background: #ccc; cursor: not-allowed; }
.qq-btn.qq-retry { background: var(--qq-success-color); }
.qq-btn.qq-retry:hover { background: var(--qq-success-dark); }
.qq-btn.qq-btn-secondary { background: #6c757d; color: white; padding: 8px 16px; font-size: 14px; }
.qq-btn.qq-btn-secondary:hover { background: #5a6268; }

/* フィードバック - 共通スタイル */
.qq-answer-feedback {
    margin-top: var(--qq-spacing);
    padding: var(--qq-spacing);
    border-radius: var(--qq-border-radius);
}

.qq-feedback-message {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

.qq-answer-feedback.correct {
    background: var(--qq-success-bg);
    border: 2px solid var(--qq-success-color);
}
.qq-answer-feedback.correct .qq-feedback-message { color: #2e7d32; }

.qq-answer-feedback.incorrect {
    background: var(--qq-error-bg);
    border: 2px solid var(--qq-error-color);
}
.qq-answer-feedback.incorrect .qq-feedback-message { color: #c62828; }

.qq-correct-answer {
    margin: 15px 0;
    padding: var(--qq-spacing-sm);
    background: var(--qq-bg-white);
    border-left: 4px solid var(--qq-primary-color);
    font-weight: 600;
}

.qq-explanation {
    margin: 15px 0;
    padding: 15px;
    background: #fff;
    border-radius: 4px;
}

.qq-explanation h4 {
    margin: 0 0 10px;
    color: #333;
}

.qq-reference {
    margin-top: 15px;
}

.qq-reference a {
    color: #0066cc;
    text-decoration: none;
}

.qq-reference a:hover {
    text-decoration: underline;
}

/* クイズコンテナ */
.qq-quiz-container {
    background: #fff;
    border-radius: 8px;
    padding: 30px;
    margin: 20px 0;
    position: relative;
}

.qq-quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e0e0e0;
    flex-wrap: wrap;
    gap: 15px;
}

.qq-quiz-progress {
    font-size: 18px;
    font-weight: 600;
    color: #0066cc;
}

.qq-score-display {
    font-size: 18px;
    font-weight: 600;
    color: #4caf50;
    background: #e8f5e9;
    padding: 8px 16px;
    border-radius: 6px;
    border: 2px solid #4caf50;
}

.qq-current-score {
    font-size: 24px;
    font-weight: 700;
}

.qq-quiz-timer {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.qq-timer-label {
    color: #666;
    font-weight: normal;
}

.qq-timer-display {
    font-family: 'Courier New', monospace;
    font-size: 24px;
    color: #0066cc;
    background: #f0f7ff;
    padding: 8px 16px;
    border-radius: 6px;
    border: 2px solid #0066cc;
    min-width: 80px;
    text-align: center;
    transition: all 0.3s ease;
}

.qq-timer-display.warning {
    color: #ff9800;
    background: #fff3e0;
    border-color: #ff9800;
    animation: pulse-warning 1s infinite;
}

.qq-timer-display.danger {
    color: #f44336;
    background: #ffebee;
    border-color: #f44336;
    animation: pulse-danger 0.5s infinite;
}

@keyframes pulse-warning {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes pulse-danger {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.qq-quiz-score {
    font-size: 16px;
    font-weight: 600;
}

/* 不正検知警告 - 最適化版 */
.qq-warning-count {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #fff3e0;
    border: 2px solid #ff9800;
    border-radius: 6px;
    color: #f57c00;
    font-weight: 600;
}

.qq-warning-count.high-warning {
    background: #ffebee;
    border-color: #f44336;
    color: #c62828;
    animation: shake 0.5s;
}

.qq-warning-count.final-warning {
    background: #d32f2f;
    border-color: #b71c1c;
    color: #fff;
    animation: shake 0.5s infinite;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.qq-warning-icon { font-size: 20px; }

/* 強制終了結果 */
.qq-forced-end-result { text-align: center; padding: 40px; }
.qq-forced-end-message {
    background: #ffebee;
    border: 2px solid #f44336;
    border-radius: 8px;
    padding: 30px;
    margin: 20px 0;
}

.qq-warning-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.qq-warning-modal-content {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    max-width: 500px;
    width: 100%;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.qq-warning-modal-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 20px;
}

.qq-warning-modal-message {
    font-size: 18px;
    margin-bottom: 30px;
    color: #333;
    line-height: 1.6;
    white-space: pre-line;
}

.qq-warning-modal-close {
    background: #f44336;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

.qq-warning-modal-close:hover {
    background: #d32f2f;
}

/* スマホ用モーダルの最適化 */
.qq-mobile-modal .qq-warning-modal-content {
    max-height: 80vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.qq-mobile-modal .qq-warning-modal-message {
    font-size: 16px;
    line-height: 1.8;
}

/* 確認モーダル */
.qq-confirm-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    z-index: 10001;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.qq-confirm-modal-content {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.qq-confirm-modal-content h3 {
    margin: 0 0 20px;
    font-size: 24px;
    color: #333;
    text-align: center;
}

.qq-confirm-modal-message {
    font-size: 16px;
    margin-bottom: 30px;
    color: #333;
    line-height: 1.8;
    text-align: left;
}

.qq-confirm-modal-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.qq-confirm-modal-buttons .qq-btn {
    flex: 1;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    white-space: nowrap;
}

.qq-btn-danger {
    background: #f44336;
    color: #fff;
}

.qq-btn-danger:hover {
    background: #d32f2f;
}

.qq-quiz-question {
    display: none;
}

.qq-quiz-question.active {
    display: block;
}

.qq-quiz-navigation {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 30px;
}

.qq-quiz-navigation .qq-btn {
    flex: 1;
}

/* 削除: 練習モードボタンは .qq-btn-primary のスタイルを使用 */

/* 練習モード結果 */
.qq-practice-result {
    text-align: center;
    padding: 40px;
    background: #fff;
    border-radius: 8px;
}

.qq-practice-result h3 {
    font-size: 28px;
    margin-bottom: 30px;
    color: #333;
}

.qq-score-main {
    font-size: 48px;
    font-weight: bold;
    color: #0066cc;
    margin: 20px 0;
}

.qq-score-percentage {
    font-size: 24px;
    color: #666;
    margin: 10px 0;
}

.qq-result-message {
    font-size: 18px;
    padding: 20px;
    margin: 30px 0;
    border-radius: 8px;
    font-weight: 600;
}

.qq-result-message.qq-excellent {
    background: #e8f5e9;
    color: #2e7d32;
    border: 2px solid #4caf50;
}

.qq-result-message.qq-good {
    background: #fff3e0;
    color: #e65100;
    border: 2px solid #ff9800;
}

.qq-result-message.qq-needs-work {
    background: #ffebee;
    color: #c62828;
    border: 2px solid #f44336;
}

.qq-result-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.qq-feedback-explanation {
    margin-top: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 4px;
    line-height: 1.6;
}

/* クイズ結果 */
.qq-quiz-result {
    text-align: center;
    padding: 30px;
}

.qq-quiz-result h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.qq-result-content {
    font-size: 20px;
    margin: 20px 0;
    padding: 20px;
    background: #f5f5f5;
    border-radius: 8px;
}

.qq-result-warning {
    margin: 20px 0;
    padding: 20px;
    background: #fff3e0;
    border: 3px solid #ff9800;
    border-radius: 8px;
    color: #f57c00;
    font-size: 16px;
    line-height: 1.6;
}

.qq-result-warning .qq-warning-icon {
    font-size: 24px;
    vertical-align: middle;
}

.qq-result-warning strong {
    color: #e65100;
}

.qq-warning-severe {
    color: #c62828;
    font-weight: 600;
    font-size: 14px;
}

.qq-result-details {
    text-align: left;
    margin-top: 20px;
}

.qq-result-item {
    padding: 10px 15px;
    margin: 8px 0;
    border-radius: 6px;
    font-size: 16px;
}

.qq-result-item.correct {
    background: #e8f5e9;
    border-left: 4px solid #4caf50;
}

.qq-result-item.incorrect {
    background: #ffebee;
    border-left: 4px solid #f44336;
}

/* ページネーション */
.qq-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 30px 0;
    gap: 5px;
}

.qq-pagination .page-numbers {
    padding: 8px 12px;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
}

.qq-pagination .page-numbers:hover {
    background: #0066cc;
    color: #fff;
    border-color: #0066cc;
}

.qq-pagination .page-numbers.current {
    background: #0066cc;
    color: #fff;
    border-color: #0066cc;
}

/* 資格タイプのスタイル */
.qq-qualification {
    background: #e8eaf6;
    color: #3f51b5;
    font-weight: 600;
}

/* メッセージ */
.qq-no-questions {
    text-align: center;
    padding: 40px;
    color: #999;
    font-size: 16px;
}

/* レスポンシブ（統合済み）：個別ブロックは末尾のセクションへ移動 */

/* クイズセレクター - 改善版 */
.qq-quiz-selector-container {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 16px;
    padding: 0;
    margin: 30px 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.qq-quiz-selector-container h3 {
    margin: 0;
    padding: 24px 30px;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    background: rgba(0, 0, 0, 0.15);
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

.qq-selector-form {
    background: #fff;
    padding: 30px;
}

.qq-selector-group {
    margin-bottom: 30px;
    padding: 24px;
    background: #f8f9fa;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.qq-selector-group:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.qq-selector-group h3 {
    margin: 0 0 20px;
    font-size: 20px;
    font-weight: 700;
    color: #2c3e50;
    padding-bottom: 12px;
    border-bottom: 3px solid #667eea;
    display: inline-block;
}

/* すべて選択・解除ボタン */
.qq-select-buttons {
    margin-bottom: 15px;
    display: flex;
    gap: 10px;
}

.qq-select-all,
.qq-deselect-all {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    background: #fff;
    color: #495057;
    cursor: pointer;
    transition: all 0.2s ease;
}

.qq-select-all:hover {
    background: #667eea;
    color: #fff;
    border-color: #667eea;
}

.qq-deselect-all:hover {
    background: #e9ecef;
    border-color: #adb5bd;
}

.qq-selector-group h4 {
    margin: 0 0 16px;
    font-size: 16px;
    font-weight: 600;
    color: #495057;
}

/* (reverted) ユーザー履歴用のスタイルを削除 */

.qq-checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
}

.qq-checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.qq-checkbox-label {
    display: flex;
    align-items: center;
    padding: 14px 16px;
    background: #fff;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.qq-checkbox-label:hover {
    background: #f8f9fa;
    border-color: #667eea;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.15);
}

.qq-checkbox-label input[type="checkbox"] {
    margin: 0 12px 0 0;
    cursor: pointer;
    width: 20px;
    height: 20px;
    accent-color: #667eea;
}

.qq-checkbox-label input[type="checkbox"]:checked + span {
    color: #667eea;
    font-weight: 600;
}

.qq-checkbox-label span {
    flex: 1;
    font-size: 15px;
    color: #495057;
    font-weight: 500;
}

.qq-checkbox-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: #fff;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.qq-checkbox-item:hover {
    background: #f8f9fa;
    border-color: #667eea;
}

.qq-checkbox-item input[type="checkbox"] {
    margin: 0 10px 0 0;
    cursor: pointer;
    width: 20px;
    height: 20px;
    accent-color: #667eea;
}

.qq-checkbox-item label {
    margin: 0;
    cursor: pointer;
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    color: #495057;
}

.qq-term-count {
    font-size: 13px;
    color: #6c757d;
    margin-left: 10px;
    padding: 2px 8px;
    background: #e9ecef;
    border-radius: 12px;
    font-weight: 600;
}

.qq-settings-row {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    border: 2px solid #e9ecef;
}

.qq-setting-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
    min-width: 200px;
}

.qq-setting-item label {
    font-weight: 600;
    color: #2c3e50;
    margin: 0;
    font-size: 14px;
}

#qq-quiz-mode,
#qq-question-count,
#qq-time-limit {
    padding: 12px 16px;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    font-size: 15px;
    line-height: 1.5;
    transition: all 0.2s ease;
    background: #fff;
}

#qq-quiz-mode:focus,
#qq-question-count:focus,
#qq-time-limit:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

#qq-question-count {
    width: 100px;
}

#qq-quiz-mode,
#qq-time-limit {
    width: 100%;
}

.qq-input-help {
    font-size: 13px;
    color: #6c757d;
    margin-top: 4px;
    font-weight: 500;
}

.qq-number-input {
    display: flex;
    align-items: center;
    gap: 10px;
}
    margin: 0;
}

.qq-setting-checkbox {
    display: flex;
    align-items: center;
}

.qq-setting-checkbox label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 400;
    cursor: pointer;
    user-select: none;
}

.qq-setting-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    margin: 0;
}

.qq-selector-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

/* 削除: 重複定義を統合 */

.qq-btn-secondary {
    background: #f5f5f5;
    color: #333;
    border: 1px solid #e0e0e0;
}

.qq-btn-secondary:hover {
    background: #e8e8e8;
    border-color: #999;
}

.qq-btn-primary {
    background: #0066cc;
    color: #fff;
}

.qq-btn-primary:hover {
    background: #0052a3;
}

.qq-btn-primary:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* 追加: マージン統一のための共通クラス */
.qq-selector-actions {
    margin-top: 25px;
}

.qq-section-actions {
    display: flex;
    gap: 8px;
    margin: 8px 0 12px;
}

.qq-selector-actions .qq-btn-primary {
    flex: 1 1 100%;
    padding: 15px;
    font-size: 16px;
    font-weight: 600;
}

#qq-quiz-area {
    margin-top: 30px;
}

/* レスポンシブ（統合済み）：セレクター関連は末尾に移動 */

/* 穴埋め問題のスタイル */
.qq-fill-blank-answer {
    margin: 20px 0;
}

.qq-fill-blank-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.qq-fill-blank-option {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    background: #f9f9f9;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.qq-fill-blank-option:hover {
    background: #f0f0f0;
    border-color: #0066cc;
}

.qq-fill-blank-option input[type="radio"] {
    margin: 0 10px 0 0;
    cursor: pointer;
}

.qq-fill-blank-option span {
    font-size: 16px;
    color: #333;
}

.qq-fill-blank-input {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.qq-fill-blank-input label {
    font-weight: 600;
    color: #333;
    font-size: 16px;
}

.qq-text-input {
    width: 100%;
    max-width: 500px;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.qq-text-input:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.qq-text-input::placeholder {
    color: #999;
}

/* 問題タイプの視覚的区別 */
.qq-type-fill_blank .qq-question-title::before {
    content: "📝 ";
}

.qq-type-choice .qq-question-title::before {
    content: "✓ ";
}

/* インライン入力欄 */
.qq-inline-blank-input {
    display: inline-block;
    min-width: 80px;
    max-width: 200px;
    padding: 4px 8px;
    margin: 0 4px;
    border: none;
    border-bottom: 2px solid #0066cc;
    background: transparent;
    font-size: 16px;
    font-weight: 600;
    color: #0066cc;
    text-align: center;
    transition: all 0.3s ease;
}

/* 入力欄のサイズバリエーション */
.qq-inline-blank-input.qq-blank-xs {
    min-width: 40px;
    max-width: 60px;
}

.qq-inline-blank-input.qq-blank-s {
    min-width: 60px;
    max-width: 100px;
}

.qq-inline-blank-input.qq-blank-m {
    min-width: 80px;
    max-width: 150px;
}

.qq-inline-blank-input.qq-blank-l {
    min-width: 120px;
    max-width: 250px;
}

.qq-inline-blank-input.qq-blank-xl {
    min-width: 180px;
    max-width: 350px;
}

.qq-inline-blank-input:focus {
    outline: none;
    border-bottom-color: #ff6b00;
    background: #fff8f0;
    box-shadow: 0 2px 4px rgba(0, 102, 204, 0.2);
}

.qq-inline-blank-input::placeholder {
    color: #ccc;
}

/* 練習モード：ボタンレイアウト */
.qq-practice-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
}

/* 練習モードのナビゲーション */
.qq-quiz-navigation:has(.qq-practice-buttons) {
    flex-direction: column;
}

.qq-quiz-navigation:has(.qq-practice-buttons) .qq-btn {
    flex: none;
}

/* テストモード：ボタンレイアウト */
.qq-test-top-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin: 20px 0 5px;
}

.qq-test-top-buttons .qq-btn-large {
    padding: 15px !important;
    font-size: 16px !important;
    white-space: nowrap;
    font-weight: 600 !important;
    box-sizing: border-box;
    border: 2px solid;
    flex: 1;
    max-width: 200px;
}

.qq-btn-warning {
    background: #fff;
    color: #ff9800;
    border-color: #ff9800;
}

.qq-btn-warning:hover {
    background: #fff3e0;
}

.qq-btn-warning.marked {
    background: #ff9800;
    color: #fff;
}

.qq-btn-info {
    background: #2196f3;
    color: #fff;
    border-color: #2196f3;
}

.qq-btn-info:hover {
    background: #1976d2;
}

.qq-test-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin: 10px 0 30px;
}

.qq-test-buttons .qq-btn {
    flex: 1;
    max-width: 300px;
}

.qq-btn-large {
    padding: 15px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    width: 100% !important;
    height: 52px !important;
    box-sizing: border-box !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
}

/* 練習モードの完了ボタンは初期状態で非表示 */
.qq-finish {
    display: none !important;
}

.qq-finish.show {
    display: inline-flex !important;
}

/* 解答状況パネル */
.qq-status-panel {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    background: #fff;
    border: 2px solid #2196f3;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    overflow-y: auto;
    box-sizing: border-box;
}

.qq-status-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: #2196f3;
    color: #fff;
    border-radius: 10px 10px 0 0;
}

.qq-status-header h3 {
    margin: 0;
    font-size: 20px;
}

.qq-close-status {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 1px solid #fff;
    padding: 5px 15px;
    font-size: 14px;
}

.qq-close-status:hover {
    background: rgba(255, 255, 255, 0.3);
}

.qq-status-summary {
    display: flex;
    justify-content: space-around;
    padding: 20px;
    background: #f5f5f5;
    border-bottom: 1px solid #ddd;
}

.qq-status-item {
    text-align: center;
}

.qq-status-label {
    display: block;
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
}

.qq-status-answered,
.qq-status-marked {
    font-size: 24px;
    font-weight: bold;
    color: #2196f3;
}

.qq-status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 10px;
    padding: 20px;
}

.qq-status-cell {
    position: relative;
    padding: 15px;
    background: #f5f5f5;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.qq-status-cell:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.qq-status-cell.current {
    border-color: #2196f3;
    background: #e3f2fd;
    color: #2196f3;
}

.qq-status-cell.answered {
    background: #c8e6c9;
    border-color: #4caf50;
    color: #2e7d32;
}

.qq-status-cell.unanswered {
    background: #fff;
    border-color: #ddd;
    color: #999;
}

.qq-status-cell.marked {
    border-color: #ff9800;
    border-width: 3px;
}

.qq-mark-icon {
    position: absolute;
    top: 2px;
    right: 2px;
    font-size: 12px;
    color: #ff9800;
}

/* ========== 統合メディアクエリセクション ========== */

/* 1200px以下：ヘッダーの詰めと文字サイズ */
@media screen and (max-width: 1200px) {
    .qq-quiz-header { flex-wrap: nowrap !important; gap: 10px !important; justify-content: space-between !important; }
    .qq-quiz-progress { font-size: 14px !important; flex-shrink: 0; }
    .qq-score-display { font-size: 14px !important; padding: 4px 10px !important; flex-shrink: 0; }
    .qq-current-score { font-size: 18px !important; }
}

/* 768px以下：タブレット統合 */
@media (max-width: 768px) {
    /* CSS変数のタブレット値へ切り替え */
    :root {
        --qq-container-padding: var(--qq-tablet-padding);
        --qq-btn-padding: 10px 20px;
        --qq-btn-font-size: 15px;
    }

    /* コンテナ調整 */
    .qq-question-content, .qq-quiz-container { padding: 15px; }
    .qq-quiz-header { flex-direction: row; flex-wrap: nowrap !important; gap: 10px; }
    .qq-quiz-navigation { flex-direction: column; gap: 10px; }
    .qq-question-meta { flex-direction: column; gap: 8px; }
    .qq-question-item { padding: 15px; margin-bottom: 15px; }
    .qq-btn { padding: 10px 20px; font-size: 15px; }

    /* セレクター/設定系 */
    .qq-checkbox-grid { grid-template-columns: 1fr; }
    .qq-settings-row { flex-direction: column; gap: 15px; }
    .qq-setting-item { width: 100%; }
    #qq-time-limit { width: 100%; }
    .qq-selector-actions { flex-direction: column; }
    .qq-selector-actions button { width: 100%; }

    /* 入力やステータス */
    .qq-text-input { max-width: 100%; }
    .qq-inline-blank-input { min-width: 60px; max-width: 150px; }
    .qq-practice-buttons { flex-direction: column; gap: 10px; }
    .qq-btn-large { width: 100%; }
    .qq-status-grid { grid-template-columns: repeat(auto-fill, minmax(50px, 1fr)); gap: 8px; padding: 15px; }
    .qq-status-cell { padding: 12px; font-size: 14px; }
}

/* 480px以下：スマホ統合 */
@media (max-width: 480px) {
    /* CSS変数のモバイル値へ切り替え */
    :root {
        --qq-spacing: 15px;
        --qq-spacing-sm: 8px;
        --qq-spacing-lg: 20px;
        --qq-container-padding: var(--qq-mobile-padding);
        --qq-btn-padding: var(--qq-mobile-btn-padding);
        --qq-btn-font-size: var(--qq-mobile-btn-font);
    }

    /* 余白・角丸の縮小 */
    .qq-question-content, .qq-quiz-container { padding: 12px; border-radius: 12px; }
    .qq-question-item { padding: 12px; margin-bottom: 12px; }
    .qq-question-title { font-size: 16px; }
    .qq-question-body { font-size: 15px; line-height: 1.7; }
    .qq-option { padding: 12px; margin-bottom: 8px; }
    .qq-option-text { font-size: 15px; }
    .qq-btn { padding: 12px 16px; font-size: 15px; width: 100%; margin-bottom: 8px; }
    .qq-quiz-navigation { gap: 8px; }
    .qq-nav-btn { flex: 1; min-width: 0; }

    /* 不正検知警告のスマホ対応 */
    .qq-warning-count { padding: 6px 12px; font-size: 13px; gap: 6px; }
    .qq-warning-icon { font-size: 16px; }
    .qq-warning-text { font-size: 13px; }

    /* セレクター/設定系 */
    .qq-quiz-selector-container { margin: 15px 0; border-radius: 12px; }
    .qq-quiz-selector-container h3 { padding: 16px 20px; font-size: 18px; }
    .qq-selector-form { padding: 15px; }
    .qq-section-title { font-size: 15px; padding: 8px 12px; }
    .qq-checkbox-item label { font-size: 14px; padding: 10px; }
    .qq-checkbox-item input[type="checkbox"] { width: 18px; height: 18px; }
    .qq-settings-row { gap: 12px; }
    .qq-setting-item label { font-size: 14px; }
    .qq-selector-actions button { padding: 14px; font-size: 16px; font-weight: 600; }

    /* 入力と穴埋め */
    .qq-text-input { font-size: 16px; padding: 10px; }
    .qq-inline-blank-input { min-width: 50px; max-width: 120px; font-size: 15px; padding: 8px; }
    .qq-fill-blank-option { padding: 10px 12px; }

    /* ステータス・結果 */
    .qq-status-summary { padding: 15px; flex-wrap: wrap; }
    .qq-status-item { flex: 1 1 45%; margin-bottom: 10px; }
    .qq-status-label { font-size: 12px; }
    .qq-status-answered, .qq-status-marked { font-size: 20px; }
    .qq-status-grid { grid-template-columns: repeat(5, 1fr); gap: 6px; padding: 12px; }
    .qq-status-cell { padding: 10px 6px; font-size: 13px; }
    .qq-mark-icon { font-size: 10px; }
    .qq-answer-feedback { padding: 15px; }
    .qq-feedback-message { font-size: 16px; }
    .qq-quiz-result { padding: 15px; }
    .qq-result-content h2 { font-size: 20px; }

    /* モーダルのスマホ対応 */
    .qq-warning-modal-content, .qq-confirm-modal-content { padding: 25px 20px; margin: 0 10px; }
    .qq-warning-modal-icon { font-size: 36px; margin-bottom: 15px; }
    .qq-warning-modal-message { font-size: 16px; margin-bottom: 20px; }
    .qq-confirm-modal-content h3 { font-size: 20px; margin-bottom: 15px; }
    .qq-confirm-modal-message { font-size: 15px; margin-bottom: 20px; }
    .qq-confirm-modal-buttons { flex-direction: column; gap: 10px; }
    .qq-confirm-modal-buttons .qq-btn { width: 100%; padding: 14px 20px; }
}