* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'SF Pro Display', sans-serif;
    background: linear-gradient(135deg, #fafbfc 0%, #f1f3f6 100%);
    color: #1a1d23;
    min-height: 100vh;
    font-weight: 400;
    line-height: 1.6;
    letter-spacing: -0.01em;
}

/* Language Toggle */
.language-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
}

.lang-btn {
    background: #e9ecef;
    border: none;
    color: #6c757d;
    padding: 4px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    width: 100px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.lang-btn::before {
    content: 'JA';
    position: absolute;
    left: 4px;
    top: 4px;
    bottom: 4px;
    width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: white;
    background: #007bff;
    border-radius: 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
    box-shadow: 0 2px 4px rgba(0, 123, 255, 0.3);
}

.lang-btn::after {
    content: 'EN';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    font-weight: 700;
    color: #6c757d;
    transition: all 0.3s ease;
    z-index: 1;
}

.lang-btn.en-active::before {
    left: 52px;
    content: 'EN';
    background: #28a745;
    box-shadow: 0 2px 4px rgba(40, 167, 69, 0.3);
}

.lang-btn.en-active::after {
    content: 'JA';
    left: 12px;
    right: auto;
}

.lang-btn .lang-text {
    display: none;
}

.lang-btn:hover {
    background: #dee2e6;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.lang-btn:hover::before {
    transform: scale(1.05);
}

/* Share Button */
.share-button-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.share-button {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #007bff;
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
    transition: all 0.3s ease;
}

.share-button:hover {
    background: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 123, 255, 0.4);
}

.share-menu {
    position: absolute;
    bottom: 70px;
    right: 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    padding: 8px;
    min-width: 180px;
    display: none;
    animation: slideUp 0.3s ease;
}

.share-menu.active {
    display: block;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.share-option {
    display: block;
    width: 100%;
    padding: 10px 16px;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    font-size: 14px;
    color: #333;
    border-radius: 4px;
    transition: background 0.2s ease;
}

.share-option:hover {
    background: #f5f5f5;
}

/* フォントファミリー */
.font-family-default {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
}

.font-family-serif {
    font-family: "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif !important;
}



/* バリデーションエラー表示 */
.validation-errors {
    background: #ffebee;
    border: 1px solid #e57373;
    border-radius: 3px;
    padding: 8px;
    margin-top: 5px;
    display: none;
}

.validation-errors .error {
    color: #c62828;
    font-size: 12px;
    margin-bottom: 3px;
}

.validation-errors .error:last-child {
    margin-bottom: 0;
}


/* 重複警告 */
.duplicate-warning {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 4px;
    padding: 8px 12px;
    margin: 10px 0;
    color: #856404;
    font-size: 14px;
    display: none;
}

/* スペーサー要素 */
.preview-spacer {
    background: rgba(248, 249, 250, 0.8);
    border: 2px dashed #dee2e6;
    border-radius: 8px;
    margin-bottom: 10px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 20px;
    backdrop-filter: blur(4px);
}




/* スペーサーのプレースホルダー */
.spacer-placeholder {
    min-height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.spacer-simple-line {
    height: 20px;
    margin-bottom: 10px;
    border: 1px dashed #ccc;
    border-radius: 2px;
    opacity: 0.6;
}

/* 小間隔スペーサー */
.preview-spacer.spacer-small {
    margin-bottom: 10px;
    padding: 0;
}

.spacer-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #6c757d;
    font-size: 12px;
}

.spacer-height-select {
    border: 1px solid #ced4da;
    border-radius: 3px;
    padding: 2px 4px;
    font-size: 11px;
    background: white;
}

.spacer-label {
    color: #6c757d;
    font-weight: 500;
}

/* スペーサーのホバー効果と削除ボタン表示 */
.preview-spacer:hover .delete-preview-btn {
    opacity: 1;
}

/* キースタイル */
/* デフォルト（キーボード風）スタイル - 既存のスタイルと同じなので特に指定不要 */

/* 外枠（黒）スタイル */
.key-style-outline-black .preview-key {
    background: white !important;
    border: 2px solid #000000 !important;
    border-radius: 4px !important;
    padding: 6px 10px !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    color: #000000 !important;
    box-shadow: none !important;
}

.key-style-outline-black .preview-key::after {
    display: none !important;
}

/* 外枠（カラー）スタイルでも下の影を無効にする */
.key-style-outline-color .preview-key::after {
    display: none !important;
}

/* 外枠（カラー）スタイル */
.key-style-outline-color .preview-key {
    background: var(--theme-color, #333) !important;
    border: 2px solid var(--theme-color, #333) !important;
    border-radius: 4px !important;
    padding: 6px 10px !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    color: white !important;
    box-shadow: none !important;
}

/* テーマカラー別の外枠（カラー）対応 */
.shortcut-color-pink.key-style-outline-color .preview-key {
    background: #fce4ec !important;
    border-color: #e91e63 !important;
    color: #e91e63 !important;
}

.shortcut-color-green.key-style-outline-color .preview-key {
    background: #e8f5e8 !important;
    border-color: #4caf50 !important;
    color: #4caf50 !important;
}

.shortcut-color-orange.key-style-outline-color .preview-key {
    background: #fff3e0 !important;
    border-color: #ff9800 !important;
    color: #ff9800 !important;
}

.shortcut-color-blue.key-style-outline-color .preview-key {
    background: #e3f2fd !important;
    border-color: #2196f3 !important;
    color: #2196f3 !important;
}

.shortcut-color-purple.key-style-outline-color .preview-key {
    background: #f3e5f5 !important;
    border-color: #9c27b0 !important;
    color: #9c27b0 !important;
}

.shortcut-color-red.key-style-outline-color .preview-key {
    background: #ffebee !important;
    border-color: #f44336 !important;
    color: #f44336 !important;
}

.shortcut-color-cyan.key-style-outline-color .preview-key {
    background: #e0f2f1 !important;
    border-color: #00bcd4 !important;
    color: #00bcd4 !important;
}

.shortcut-color-yellow.key-style-outline-color .preview-key {
    background: #fffde7 !important;
    border-color: #ffeb3b !important;
    color: #f57f17 !important;
}

.shortcut-color-dark.key-style-outline-color .preview-key {
    background: #f5f5f5 !important;
    border-color: #616161 !important;
    color: #616161 !important;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 32px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(26, 29, 35, 0.08), 0 2px 8px rgba(26, 29, 35, 0.04);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: 24px;
    margin-bottom: 32px;
}

header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.header-content {
    margin-bottom: 24px;
}

header h1 {
    color: #1a1d23;
    margin-bottom: 12px;
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #1a1d23 0%, #4a5568 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

header p {
    color: #64748b;
}

.os-selector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 10px;
    margin-bottom: 20px;
}

.selector-label {
    font-weight: 500;
    color: #333;
}

.selector-buttons {
    display: flex;
    gap: 5px;
}

.os-btn {
    padding: 8px 16px;
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #333;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 400;
}

.os-btn:hover {
    background: #eee;
}

.os-btn.active {
    background: #333;
    color: white;
}

.toolbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(226, 232, 240, 0.6);
    padding: 20px 24px;
    margin-bottom: 24px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    box-shadow: 0 2px 12px rgba(26, 29, 35, 0.03);
}

.main-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.control-group {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.control-group label {
    font-weight: 600;
    color: #374151;
    white-space: nowrap;
    font-size: 14px;
    letter-spacing: -0.005em;
}

.title-input {
    padding: 10px 14px;
    border: 1px solid rgba(203, 213, 225, 0.8);
    border-radius: 8px;
    font-size: 14px;
    min-width: 220px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    transition: all 0.2s ease;
    font-weight: 500;
}

.title-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background: white;
}

.compact-select {
    padding: 10px 12px;
    border: 1px solid rgba(203, 213, 225, 0.8);
    border-radius: 8px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    transition: all 0.2s ease;
    font-weight: 500;
    cursor: pointer;
}

.compact-select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background: white;
}

.expandable-section {
    border: 1px solid #e9ecef;
    border-radius: 6px;
    overflow: hidden;
}

.section-toggle {
    width: 100%;
    padding: 12px 16px;
    background: #f8f9fa;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    color: #495057;
}

.section-toggle:hover {
    background: #e9ecef;
}

.toggle-icon {
    transition: transform 0.2s;
}

.section-toggle.expanded .toggle-icon {
    transform: rotate(180deg);
}

.collapsible-content {
    padding: 16px;
    background: white;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.setting-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.setting-item label {
    min-width: 60px;
    font-weight: 500;
    color: #333;
}

.os-selector {
    display: flex;
    gap: 4px;
}

.file-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.toolbar-label {
    font-weight: 500;
    color: #333;
    font-size: 14px;
    margin-right: 5px;
}

.title-input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    min-width: 200px;
}

.toolbar-select {
    padding: 6px 8px;
    border: 1px solid #ddd;
    border-radius: 3px;
    font-size: 13px;
    background: white;
    min-width: 80px;
}

.toolbar-btn {
    padding: 12px 20px;
    border: 1px solid rgba(203, 213, 225, 0.6);
    border-radius: 10px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    background: rgba(248, 250, 252, 0.8);
    backdrop-filter: blur(8px);
    color: #374151;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    letter-spacing: -0.005em;
}

.toolbar-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.toolbar-btn:hover {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(148, 163, 184, 0.8);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(26, 29, 35, 0.08), 0 2px 8px rgba(26, 29, 35, 0.04);
}

.toolbar-btn:hover::before {
    left: 100%;
}

.toolbar-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(26, 29, 35, 0.06);
}

.title-section {
    margin-bottom: 20px;
}

.title-section label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #333;
}

.title-section input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.title-section input:focus {
    outline: none;
    border-color: #333;
}

.layout-settings {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.setting-group label {
    font-weight: 500;
    color: #333;
    font-size: 13px;
}

.setting-group select {
    padding: 6px 8px;
    border: 1px solid #ddd;
    border-radius: 3px;
    font-size: 13px;
    background: white;
    min-width: 100px;
}

.controls {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

button {
    padding: 8px 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 400;
    background: #f5f5f5;
    color: #333;
    transition: all 0.2s;
}

button:hover {
    background: #eee;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border-color: #3b82f6;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border-color: #2563eb;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
}

.btn-primary:disabled {
    background: #9ca3af !important;
    border-color: #9ca3af !important;
    color: rgba(255, 255, 255, 0.6) !important;
    cursor: not-allowed !important;
    opacity: 0.7 !important;
    box-shadow: none !important;
}

.btn-primary:disabled:hover {
    background: #9ca3af !important;
    border-color: #9ca3af !important;
    transform: none !important;
    box-shadow: none !important;
}

.btn-secondary {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
    color: white;
    border-color: #64748b;
    box-shadow: 0 2px 8px rgba(100, 116, 139, 0.25);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #475569 0%, #334155 100%);
    border-color: #475569;
    box-shadow: 0 4px 16px rgba(100, 116, 139, 0.35);
}

.btn-tertiary {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    color: white;
    border-color: #06b6d4;
    box-shadow: 0 2px 8px rgba(6, 182, 212, 0.25);
}

.btn-tertiary:hover {
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
    border-color: #0891b2;
    box-shadow: 0 4px 16px rgba(6, 182, 212, 0.35);
}

.btn-export {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border-color: #10b981;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
}

.btn-export:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    border-color: #059669;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
}

.shortcuts-container {
    min-height: 200px;
}

.shortcut-item, .heading-item {
    background: #fafafa;
    border: 1px solid #ddd;
    padding: 15px;
    margin-bottom: 10px;
    cursor: move;
}

.shortcut-item:hover, .heading-item:hover {
    background: #f0f0f0;
}

.shortcut-item.dragging, .heading-item.dragging {
    opacity: 0.7;
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.drag-handle {
    background: #999;
    color: white;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 11px;
    cursor: move;
}

.delete-btn {
    background: #666;
    color: white;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 11px;
    cursor: pointer;
    border: none;
}

.delete-btn:hover {
    background: #333;
}

.keys-section {
    margin-bottom: 15px;
}

.keys-section label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #333;
    font-size: 13px;
}

.keys-container {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 8px;
}

.key-selector-wrapper {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.key-select {
    padding: 4px 8px;
    border: 1px solid #ddd;
    border-radius: 3px;
    min-width: 60px;
    font-size: 12px;
    background: white;
}

.key-input {
    padding: 4px 8px;
    border: 1px solid #ddd;
    border-radius: 3px;
    min-width: 50px;
    text-align: center;
    font-size: 12px;
}

.add-key-btn {
    background: #999;
    color: white;
    padding: 4px 8px;
    border-radius: 3px;
    font-size: 11px;
    border: none;
}

.add-key-btn:hover {
    background: #777;
}

.description-section, .note-section {
    margin-bottom: 15px;
}

.description-section label, .note-section label {
    display: block;
    margin-bottom: 3px;
    font-weight: 500;
    color: #333;
    font-size: 13px;
}

.description-input, .note-input, .heading-input {
    width: 100%;
    padding: 6px;
    border: 1px solid #ddd;
    border-radius: 3px;
    resize: vertical;
    font-size: 13px;
}

.heading-input {
    font-size: 14px;
    font-weight: 500;
}

.main-editor {
    background: white;
    border: 1px solid #ddd;
    min-height: 500px;
}




.editable {
    position: relative;
    cursor: pointer;
}

/* プレビュー内の編集可能要素のホバー効果を無効化 */
.preview-container .editable:hover {
    background: transparent;
    cursor: default;
}

.editable.editing {
    background: #fff3cd;
    border: 2px dashed #ffc107;
}

.preview-container {
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 40px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    cursor: default;
    min-height: 600px;
}

/* プレビュー内の全ての要素のカーソルをデフォルトに */
.preview-container * {
    cursor: default !important;
}

/* 編集可能要素のカーソルを上書き */
.preview-container .editable,
.preview-container .editable-key,
.preview-container .editable-text,
.preview-container .preview-title,
.preview-container button,
.preview-container select {
    cursor: pointer !important;
}

/* プレビュー内の表示要素のホバー効果のみを無効化 */
.preview-container .preview-key {
    pointer-events: none;
    user-select: none;
}

/* ドラッグ可能な要素は有効にする */
.preview-container .preview-shortcut,
.preview-container .preview-heading,
.preview-container .preview-spacer {
    pointer-events: all;
    user-select: none;
}

/* 編集可能な要素とコントロールは有効にする */
.preview-container .editable,
.preview-container .editable-key,
.preview-container .editable-text,
.preview-container .preview-title,
.preview-container button,
.preview-container select,
.preview-container .key-add-btn,
.preview-container .key-remove-btn,
.preview-container .delete-preview-btn,
.preview-container .spacer-height-select {
    pointer-events: all;
    cursor: pointer;
}

.preview-title {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
    text-align: center;
    border-bottom: 2px solid currentColor;
    padding-bottom: 10px;
}

.preview-shortcut {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    margin-top: 10px;
    padding: 10px;
    background: #f8f8f8;
    border-left: 3px solid #333;
    position: relative;
}

/* カードスタイルのバリエーション */
.card-style-simple .preview-shortcut {
    background: transparent !important;
    border-left: 3px solid #333;
}


.card-style-minimal .preview-shortcut {
    background: transparent !important;
    border-left: none !important;
}


/* ドラッグ&ドロップゾーン */
.drag-drop-zones {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 50;
}

.drop-zone {
    position: absolute;
    width: 50px;
    height: 50px;
    pointer-events: all;
    opacity: 0;
    transition: opacity 0.2s;
}

.drop-zone.active {
    opacity: 1;
}

.drop-zone[data-column] {
    width: 50px;
    height: 50px;
}

.drop-indicator {
    width: 40px;
    height: 40px;
    border: 2px dashed #007bff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.9);
    color: #007bff;
    font-size: 18px;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.drop-zone.drag-over .drop-indicator {
    background: #007bff;
    color: white;
    border-color: #0056b3;
}

/* カードスタイル + テーマカラーの組み合わせ */
.shortcut-color-pink.card-style-simple .preview-shortcut {
    border-left-color: #e91e63;
}
.shortcut-color-green.card-style-simple .preview-shortcut {
    border-left-color: #4caf50;
}

.shortcut-color-orange.card-style-simple .preview-shortcut {
    border-left-color: #ff9800;
}

.shortcut-color-blue.card-style-simple .preview-shortcut {
    border-left-color: #2196f3;
}

.shortcut-color-purple.card-style-simple .preview-shortcut {
    border-left-color: #9c27b0;
}

.shortcut-color-dark.card-style-simple .preview-shortcut {
    border-left-color: #555;
}

.shortcut-color-red.card-style-simple .preview-shortcut {
    border-left-color: #f44336;
}

.shortcut-color-cyan.card-style-simple .preview-shortcut {
    border-left-color: #00bcd4;
}

.shortcut-color-yellow.card-style-simple .preview-shortcut {
    border-left-color: #ffeb3b;
}

.delete-preview-btn {
    position: absolute !important;
    top: -15px !important;
    right: -15px !important;
    background: #e74c3c !important;
    border: 2px solid white !important;
    border-radius: 4px !important;
    width: 40px !important;
    height: 40px !important;
    cursor: pointer !important;
    opacity: 0;
    transition: all 0.2s;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-sizing: border-box !important;
    padding: 0 !important;
    font-size: 24px !important;
    font-weight: bold !important;
    z-index: 10 !important;
}

.delete-preview-btn::before {
    content: '';
    width: 10px;
    height: 2px;
    background: white;
    position: absolute;
    transform: rotate(45deg);
}

.delete-preview-btn::after {
    content: '';
    width: 10px;
    height: 2px;
    background: white;
    position: absolute;
    transform: rotate(-45deg);
}

/* プレビュー内の削除ボタンのホバー効果を無効化 */
.preview-container .preview-shortcut:hover .delete-preview-btn,
.preview-container .preview-heading:hover .delete-preview-btn,
.preview-container .preview-spacer:hover .delete-preview-btn {
    opacity: 1;
    display: block;
}

.preview-container .delete-preview-btn:hover {
    background: #dc3545 !important;
    cursor: pointer !important;
    transform: scale(1.1);
}

.preview-keys {
    display: flex;
    gap: 8px;
    margin-right: 20px;
    flex-shrink: 0;
    align-items: center;
}

.key-controls {
    position: absolute;
    top: -12px;
    left: 5px;
    display: flex;
    align-items: center;
    gap: 5px;
    z-index: 10;
}

.key-controls-label {
    font-size: 10px;
    color: #666;
    font-weight: 500;
}

.key-add-btn, .key-remove-btn {
    background: #007bff;
    border: 1px solid #0056b3;
    border-radius: 4px;
    width: 36px;
    height: 32px;
    cursor: pointer;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    padding: 0;
    font-size: 18px;
    transition: all 0.2s;
    color: white;
    font-weight: bold;
}

/* プレビュー内のキー追加・削除ボタンのホバー効果を無効化 */
/* 削除: ホバー時にボタンを非表示にする設定を削除してフリッカリング防止 */

.preview-container .key-add-btn:hover,
.preview-container .key-remove-btn:hover {
    background: transparent;
    cursor: default;
}

.key-add-btn::before {
    content: '+';
}

.key-remove-btn::before {
    content: '-' !important;
}

.key-select, .key-input {
    background: white;
    border: 1px solid #007bff;
    border-radius: 3px;
    padding: 2px 4px;
    font-size: 12px;
    font-weight: bold;
}

.editable-key, .editable-text {
    cursor: pointer;
    padding: 2px;
    border-radius: 3px;
    transition: background 0.2s;
}

/* プレビュー内の編集可能テキストのホバー効果を無効化 */
.preview-container .editable-key:hover,
.preview-container .editable-text:hover {
    background: transparent;
    cursor: default;
}

.editable-key.editing, .editable-text.editing,
input.editing {
    background: white !important;
    border: 1px dashed #ffc107 !important;
    color: #333 !important;
    font-family: inherit !important;
    font-size: inherit !important;
    padding: 2px 4px !important;
    border-radius: 3px !important;
}

/* 見出しスタイル内のinput要素も確実に黒文字にする */
.preview-heading input.editing,
.preview-title input.editing {
    color: #333 !important;
    background: white !important;
}


.preview-key {
    background: linear-gradient(145deg, #ffffff, #e6e6e6);
    border: 2px solid #bdc3c7;
    border-radius: 6px;
    padding: 8px 12px;
    font-weight: bold;
    font-size: 14px;
    color: #2c3e50;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
    cursor: pointer;
}

.preview-key::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 2px;
    right: 2px;
    height: 2px;
    background: #95a5a6;
    border-radius: 0 0 4px 4px;
}

/* 見出しの色パターン */
.shortcut-color-default .preview-heading {
    color: #333 !important;
    border-color: #333 !important;
}

.shortcut-color-pink .preview-heading {
    color: #e91e63 !important;
    border-color: #e91e63 !important;
}

.shortcut-color-green .preview-heading {
    color: #4caf50 !important;
    border-color: #4caf50 !important;
}

.shortcut-color-orange .preview-heading {
    color: #ff9800 !important;
    border-color: #ff9800 !important;
}

.shortcut-color-dark .preview-heading {
    color: #424242 !important;
    border-color: #424242 !important;
}

/* 説明文の色パターン */
.shortcut-color-pink .preview-description {
    color: #ad1457 !important;
}

.shortcut-color-green .preview-description {
    color: #388e3c !important;
}

.shortcut-color-orange .preview-description {
    color: #f57c00 !important;
}

.shortcut-color-dark .preview-description {
    color: #424242 !important;
}

/* 補足文の色パターン */
.shortcut-color-pink .preview-note {
    color: #c2185b !important;
}

.shortcut-color-green .preview-note {
    color: #43a047 !important;
}

.shortcut-color-orange .preview-note {
    color: #fb8c00 !important;
}

.shortcut-color-blue .preview-heading {
    color: #1976d2 !important;
    border-color: #1976d2 !important;
}

.shortcut-color-blue .preview-description {
    color: #1565c0 !important;
}

.shortcut-color-blue .preview-note {
    color: #1e88e5 !important;
}

.shortcut-color-purple .preview-heading {
    color: #7b1fa2 !important;
    border-color: #7b1fa2 !important;
}

.shortcut-color-purple .preview-description {
    color: #6a1b9a !important;
}

.shortcut-color-purple .preview-note {
    color: #8e24aa !important;
}

.shortcut-color-dark .preview-note {
    color: #616161 !important;
}


/* タイトルの角丸スタイル */
.preview-title.border-rounded {
    border-radius: 12px !important;
    padding: 15px !important;
    background: rgba(255, 255, 255, 0.8) !important;
}

.preview-title.border-super-rounded {
    border-radius: 25px !important;
    padding: 20px !important;
    background: rgba(255, 255, 255, 0.8) !important;
}

.preview-title.border-pill {
    border-radius: 50px !important;
    padding: 15px 30px !important;
    background: rgba(255, 255, 255, 0.8) !important;
}

/* 見出しの角丸スタイル */
.heading-border-rounded .preview-heading {
    border-radius: 8px !important;
    padding: 10px 15px !important;
    background: rgba(255, 255, 255, 0.5) !important;
}

.heading-border-super-rounded .preview-heading {
    border-radius: 15px !important;
    padding: 12px 18px !important;
    background: rgba(255, 255, 255, 0.5) !important;
}

.heading-border-pill .preview-heading {
    border-radius: 30px !important;
    padding: 10px 20px !important;
    background: rgba(255, 255, 255, 0.5) !important;
}

/* ショートカットカード全体の背景色 */
.shortcut-color-pink .preview-shortcut {
    background: rgba(252, 228, 236, 0.3) !important;
}

.shortcut-color-green .preview-shortcut {
    background: rgba(232, 245, 233, 0.3) !important;
}

.shortcut-color-orange .preview-shortcut {
    background: rgba(255, 243, 224, 0.3) !important;
}

.shortcut-color-blue .preview-shortcut {
    background: rgba(227, 242, 253, 0.3) !important;
}

.shortcut-color-purple .preview-shortcut {
    background: rgba(243, 229, 245, 0.3) !important;
}

.shortcut-color-dark .preview-shortcut {
    background: rgba(250, 250, 250, 0.8) !important;
}

/* 見出しは背景色の影響を受けない */
.shortcut-color-pink .preview-heading,
.shortcut-color-green .preview-heading,
.shortcut-color-orange .preview-heading,
.shortcut-color-blue .preview-heading,
.shortcut-color-purple .preview-heading,
.shortcut-color-dark .preview-heading {
    background: transparent !important;
}


.preview-plus {
    color: #7f8c8d;
    font-weight: bold;
    font-size: 16px;
    margin: 0 4px;
}

.preview-content-wrapper {
    flex: 1;
}

.preview-description {
    font-size: 16px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 5px;
}

.preview-note {
    font-size: 12px;
    color: #7f8c8d;
}

.preview-heading {
    font-size: 20px;
    font-weight: bold;
    color: #e74c3c;
    margin: 25px 0 15px 0;
    padding: 10px 0;
    border-bottom: 2px solid #e74c3c;
    position: relative;
}

.preview-heading:first-child {
    margin-top: 0;
}

/* 列レイアウト */
#preview-content.columns-1 {
    column-count: 1;
}
#preview-content.columns-1 {
    display: block;
}

#preview-content.columns-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

#preview-content.columns-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 30px;
    align-items: start;
}

#preview-content.columns-4 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 25px;
    align-items: start;
}

.grid-item {
    margin-bottom: 15px;
}

.grid-column {
    display: flex;
    flex-direction: column;
}

.preview-shortcut, .preview-heading, .preview-spacer {
    cursor: grab;
}

.preview-shortcut:active, .preview-heading:active, .preview-spacer:active {
    cursor: grabbing;
}

/* ドラッグ可能であることを分かりやすくするホバー効果 */
.preview-shortcut:hover,
.preview-heading:hover,
.preview-spacer:hover {
    outline: 2px dashed rgba(33, 150, 243, 0.3);
    outline-offset: 2px;
}

/* キー要素の右端付近でのみボタン表示 */
.preview-keys {
    position: relative;
}

/* key-hover-area は削除済み */

/* 3列・4列の場合の縮小スタイル */
#preview-content.columns-3 .preview-shortcut,
#preview-content.columns-4 .preview-shortcut {
    font-size: 13px;
}

#preview-content.columns-3 .preview-key,
#preview-content.columns-4 .preview-key {
    font-size: 11px;
    padding: 3px 8px;
    min-width: 20px;
}

#preview-content.columns-3 .preview-plus,
#preview-content.columns-4 .preview-plus {
    font-size: 10px;
}

#preview-content.columns-1 .key-add-btn,
#preview-content.columns-1 .key-remove-btn {
    width: 32px;
    height: 28px;
    font-size: 16px;
}

#preview-content.columns-1 .delete-preview-btn {
    width: 36px !important;
    height: 36px !important;
    font-size: 20px !important;
}

#preview-content.columns-2 .key-add-btn,
#preview-content.columns-2 .key-remove-btn {
    width: 28px;
    height: 24px;
    font-size: 14px;
}

#preview-content.columns-2 .delete-preview-btn {
    width: 32px !important;
    height: 32px !important;
    font-size: 18px !important;
}

#preview-content.columns-3 .key-add-btn,
#preview-content.columns-3 .key-remove-btn {
    width: 24px;
    height: 20px;
    font-size: 12px;
}

#preview-content.columns-3 .delete-preview-btn {
    width: 28px !important;
    height: 28px !important;
    font-size: 16px !important;
}

#preview-content.columns-4 .key-add-btn,
#preview-content.columns-4 .key-remove-btn {
    width: 20px;
    height: 18px;
    font-size: 11px;
}

#preview-content.columns-4 .delete-preview-btn {
    width: 24px !important;
    height: 24px !important;
    font-size: 14px !important;
}


#preview-content.columns-3 .preview-description,
#preview-content.columns-4 .preview-description {
    font-size: 12px;
}

#preview-content.columns-3 .preview-note,
#preview-content.columns-4 .preview-note {
    font-size: 10px;
}

#preview-content.columns-4 .preview-keys {
    gap: 4px;
}

#preview-content.columns-3 .preview-heading,
#preview-content.columns-4 .preview-heading {
    font-size: 14px;
    margin: 8px 0 6px 0;
}

/* タイトルスタイル */
.preview-title {
    cursor: pointer;
    position: relative;
    margin-bottom: 16px;
    padding: 4px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.preview-title:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.preview-title.empty-placeholder {
    color: #999;
    font-style: italic;
    position: relative;
}

.preview-title.empty-placeholder:empty::before {
    content: attr(data-placeholder);
}

.preview-title.empty-placeholder:hover {
    background-color: rgba(0, 123, 255, 0.1);
    border: 1px dashed #007bff;
}

.preview-title.style-default {
    font-size: 24px;
    font-weight: 600;
    border-bottom: 2px solid currentColor;
}

.preview-title.style-modern {
    font-size: 28px;
    font-weight: 300;
    color: #333;
    border-bottom: 1px solid #ddd;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.preview-title.style-minimal {
    font-size: 20px;
    font-weight: 400;
    border-bottom: none;
}

.preview-title.style-bold {
    font-size: 30px;
    font-weight: 900;
    border-bottom: 4px solid currentColor;
}

/* エレガントスタイル - テーマカラーによって下線の色が変わる */
.preview-title.style-elegant {
    font-size: 26px;
    font-weight: 500;
    border-bottom: 2px solid currentColor;
}


.preview-title.style-tech {
    font-size: 22px;
    font-weight: 700;
    border-bottom: 2px solid currentColor;
    text-transform: uppercase;
}


/* 見出しスタイル */
.preview-heading.style-bold {
    font-weight: 800 !important;
    font-size: 18px !important;
    text-transform: uppercase;
    background: transparent !important;
}

.preview-heading.style-underline {
    border-bottom: 2px solid currentColor !important;
    border-left: none !important;
    padding-bottom: 3px;
    font-weight: 600 !important;
    background: transparent !important;
}

/* 見出しスタイル */
.preview-heading.style-default {
    font-size: 18px;
    font-weight: 600;
    color: #666;
    border-bottom: 1px solid #666;
    background: transparent !important;
}

.preview-heading.style-modern {
    font-size: 16px;
    font-weight: 400;
    color: #333;
    border-bottom: none;
    background: #f0f0f0 !important;
    padding: 8px 15px;
    margin: 20px 0 10px 0;
}

.preview-heading.style-minimal {
    font-size: 14px;
    font-weight: 500;
    color: #999;
    border-bottom: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: transparent !important;
}


@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .os-selector {
        flex-direction: column;
        gap: 15px;
    }

    .selector-buttons {
        justify-content: center;
    }

    .controls {
        flex-direction: column;
        gap: 10px;
    }

    .preview-shortcut {
        flex-direction: column;
        align-items: flex-start;
    }

    .preview-keys {
        margin-right: 0;
        margin-bottom: 10px;
    }
}

.drop-zone {
    border: 3px dashed #3498db;
    background: rgba(52, 152, 219, 0.1);
    border-radius: 10px;
    padding: 20px;
    margin: 10px 0;
    text-align: center;
    color: #3498db;
    font-weight: bold;
}

.empty-state {
    text-align: center;
    color: #7f8c8d;
    padding: 40px;
    border: 2px dashed #bdc3c7;
    border-radius: 10px;
    margin: 20px 0;
}

.about-section {
    background: #f8f8f8;
    border: 1px solid #ddd;
    padding: 20px;
    margin-top: 30px;
}

.about-content h3 {
    color: #333;
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 15px;
}

.about-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.credit-item {
    font-size: 13px;
    color: #666;
}

.credit-item strong {
    color: #333;
}

.credit-item a {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
}

.credit-item a:hover {
    text-decoration: underline;
    color: #0056b3;
}

/* ドラッグ&ドロップ関連のスタイル */

.preview-shortcut, .preview-heading {
    position: relative;
    user-select: none;
    cursor: move;
}

/* プレビュー内の要素のホバー効果を無効化（ドラッグ用ホバーは除く） */
.preview-container .preview-shortcut:hover,
.preview-container .preview-heading:hover {
    background-color: transparent;
    cursor: grab; /* ドラッグ可能なカーソルは保持 */
}

/* ドラッグ関連のホバー効果は有効のまま */
.preview-container .preview-shortcut:hover,
.preview-container .preview-heading:hover,
.preview-container .preview-spacer:hover {
    outline: 2px dashed rgba(33, 150, 243, 0.3) !important;
    outline-offset: 2px !important;
    cursor: grab !important;
}

.preview-shortcut.dragging, .preview-heading.dragging {
    opacity: 0.5;
    transform: rotate(2deg);
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}


.preview-shortcut input,
.preview-shortcut button,
.preview-shortcut .preview-key,
.preview-heading input,
.preview-heading button,
.editable-text {
    cursor: text;
    user-select: text;
}

.preview-shortcut button,
.preview-heading button {
    cursor: pointer;
}

/* 新しいドロップゾーン方式 - 要素間に透明な横幅いっぱいのドロップエリアを配置 */
.drop-zone-between {
    width: 100%;
    height: 12px;
    background: transparent;
    position: relative;
    margin: -6px 0;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

/* ドラッグ中にドロップゾーンを表示（薄い線で表示） */
.drop-zone-between.active {
    opacity: 1;
    pointer-events: all;
}

/* ドロップゾーンのビジュアルインジケーター（薄い線） */
.drop-zone-between.active::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    margin-top: -1px;
    background: rgba(33, 150, 243, 0.4);
    border-radius: 1px;
    z-index: 1000;
}

/* ドラッグオーバー時のハイライト（濃い線に変化） */
.drop-zone-between.drag-over {
    background: rgba(33, 150, 243, 0.1);
}

.drop-zone-between.drag-over::before {
    background: linear-gradient(90deg, #2196f3, #64b5f6, #2196f3);
    height: 6px;
    margin-top: -3px;
    border-radius: 3px;
    box-shadow: 0 0 8px rgba(33, 150, 243, 0.6), 0 0 16px rgba(33, 150, 243, 0.3);
}

/* 自動連続入力エリア - iOSライクなデザイン */
.auto-input-section {
    margin-top: 24px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.auto-input-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.auto-input-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: #1d1d1f;
}

/* iOSライクなトグルボタン */
.ios-toggle-btn {
    background: #007aff;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
    min-width: 60px;
}

.ios-toggle-btn:hover {
    background: #0056cc;
    transform: translateY(-1px);
}

.ios-toggle-btn.active {
    background: #ff3b30;
}

.ios-toggle-btn.active:hover {
    background: #d70015;
}

.auto-input-content {
    padding: 24px;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auto-input-instruction {
    text-align: center;
    margin-bottom: 20px;
}

.auto-input-instruction p {
    color: #86868b;
    font-size: 14px;
    margin: 0;
}

/* ステータス表示 */
.auto-input-status {
    background: #f2f2f7;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 20px;
}

.status-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.status-row:last-child {
    margin-bottom: 0;
}

/* 本体統合版自動入力スタイル */
.auto-input-section {
    border: 1px solid rgba(0, 123, 255, 0.1);
    border-radius: 16px;
    padding: 20px;
    background: rgba(0, 123, 255, 0.02);
}

.auto-input-header {
    margin-bottom: 20px;
}

.auto-input-header h4 {
    margin: 0 0 16px 0;
    font-size: 18px;
    font-weight: 600;
    color: #1a1d23;
}

.auto-input-status {
    background: rgba(255, 255, 255, 0.6);
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.auto-input-status .status-row {
    display: flex;
    justify-content: space-between;
    margin: 4px 0;
    font-size: 13px;
}

.auto-input-status .current-key {
    background: #007bff;
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-family: 'SF Mono', 'Monaco', 'Cascadia Code', monospace;
    font-weight: 500;
    font-size: 13px;
}

.auto-input-status .timer {
    background: #ff6b35;
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 13px;
}

.auto-input-content {
    display: flex;
    gap: 20px;
}

.auto-recorded-sets {
    flex: 1;
    background: white;
    border-radius: 12px;
    padding: 16px;
    min-height: 150px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.auto-recorded-sets h5 {
    margin: 0 0 12px 0;
    font-size: 14px;
    font-weight: 600;
    color: #1a1d23;
}

.auto-input-controls {
    flex: 0 0 180px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.auto-key-set {
    display: flex;
    align-items: center;
    margin: 8px 0;
    padding: 10px 12px;
    background: rgba(0, 123, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(0, 123, 255, 0.1);
    transition: all 0.2s ease;
}

.auto-key-set:hover {
    background: rgba(0, 123, 255, 0.08);
    border-color: rgba(0, 123, 255, 0.2);
}

.auto-preview-key {
    background: #495057;
    color: white;
    padding: 4px 8px;
    border-radius: 6px;
    margin: 0 2px;
    font-size: 12px;
    font-family: 'SF Mono', 'Monaco', 'Cascadia Code', monospace;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.auto-key-plus {
    color: #6c757d;
    font-weight: 600;
    margin: 0 4px;
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 14px;
    height: 14px;
    background: rgba(108, 117, 125, 0.1);
    border-radius: 3px;
    border: 1px solid rgba(108, 117, 125, 0.2);
}

.auto-delete-btn {
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 4px;
    width: 20px;
    height: 20px;
    margin-left: auto;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auto-delete-btn:hover {
    background: #c82333;
    transform: scale(1.05);
}

.auto-help-section {
    margin-top: 12px;
}

.help-toggle {
    background: rgba(108, 117, 125, 0.1);
    border: 1px solid rgba(108, 117, 125, 0.2);
    color: #6c757d;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    cursor: pointer;
    width: 100%;
    transition: all 0.2s ease;
}

.help-toggle:hover {
    background: rgba(108, 117, 125, 0.15);
    color: #495057;
}

.auto-instruction {
    margin-top: 12px;
    padding: 12px;
    background: rgba(0, 123, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(0, 123, 255, 0.1);
}

.auto-instruction ol {
    margin: 0;
    padding-left: 16px;
    font-size: 12px;
}

.auto-instruction li {
    margin: 4px 0;
}

.auto-example {
    color: #ff6b35;
    margin: 8px 0 0 0;
    font-size: 12px;
}

.auto-note {
    color: #dc3545;
    margin: 8px 0 0 0;
    font-size: 12px;
    font-weight: 600;
}

.status-label {
    font-size: 14px;
    color: #86868b;
    font-weight: 500;
}

.current-key-display {
    background: #007aff;
    color: white;
    padding: 4px 12px;
    border-radius: 8px;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    min-width: 40px;
    text-align: center;
}

.timer-display {
    background: #ff9500;
    color: white;
    padding: 4px 12px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    min-width: 50px;
    text-align: center;
}

/* 現在のショートカット表示 */
.current-shortcut-section {
    margin-bottom: 24px;
}

.section-header {
    font-size: 16px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 12px;
}

.auto-input-keys-display {
    background: #f2f2f7;
    border-radius: 12px;
    padding: 16px;
    min-height: 60px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.auto-input-keys-display:empty::before {
    content: "キーを長押しして追加してください";
    color: #86868b;
    font-style: italic;
    font-size: 14px;
}

/* iOSライクなボタン */
.auto-input-controls {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.ios-btn {
    padding: 12px 24px;
    border-radius: 12px;
    border: none;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 100px;
}

.ios-btn.primary {
    background: #007aff;
    color: white;
}

.ios-btn.primary:hover {
    background: #0056cc;
    transform: translateY(-1px);
}

.ios-btn.secondary {
    background: #f2f2f7;
    color: #007aff;
}

.ios-btn.secondary:hover {
    background: #e5e5ea;
    transform: translateY(-1px);
}

/* 要素間隔を詰める */
.preview-shortcut, .preview-heading, .preview-spacer {
    margin-bottom: 8px;
    padding: 4px; /* ドロップエリアを拡大 */
    transition: all 0.2s ease;
}

.preview-shortcut:last-child, .preview-heading:last-child, .preview-spacer:last-child {
    margin-bottom: 0;
}

/* ドラッグオーバー時のホバー効果 */
.preview-shortcut.drag-over,
.preview-heading.drag-over,
.preview-spacer.drag-over {
    background-color: rgba(33, 150, 243, 0.05) !important;
    transform: scale(1.01);
    box-shadow: 0 4px 16px rgba(33, 150, 243, 0.2) !important;
}

/* リボンスタイルのドラッグオーバー時の調整 */
.preview-heading.style-ribbon.drag-over {
    background-color: var(--theme-color, #333) !important;
    box-shadow: 0 4px 16px rgba(33, 150, 243, 0.4), 0 0 0 2px rgba(33, 150, 243, 0.3) !important;
}

.preview-heading.style-ribbon.drag-over::after {
    border-left-color: var(--theme-color, #333) !important;
}

/* 見出しスタイル（ボックス、バッジ、リボン）のドロップラインを親要素幅に */
.preview-heading.style-box,
.preview-heading.style-badge,
.preview-heading.style-ribbon {
    position: relative;
}



/* +/- ボタンのスタイル改善 */
.key-add-btn, .key-remove-btn {
    width: 40px;
    height: 40px;
    border: 1px solid #ddd;
    background: #f8f9fa;
    color: #666;
    font-size: 20px;
    line-height: 1;
    padding: 0;
    margin: 0 4px;
    border-radius: 4px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.key-add-btn::before {
    content: '+';
}

.key-remove-btn::before {
    content: '−';
}

/* 無効化されたボタンのスタイル */
.key-add-btn:disabled,
.key-remove-btn:disabled {
    background: #e9ecef !important;
    color: #6c757d !important;
    border-color: #dee2e6 !important;
    cursor: not-allowed !important;
    opacity: 0.6;
}

/* プレビュー内のキーボタンのホバー効果を無効化（既存のルールを上書き） */
.preview-container .key-add-btn:hover,
.preview-container .key-remove-btn:hover {
    background: transparent;
    border-color: transparent;
    transform: none;
    cursor: default;
}

/* プレースホルダーテキスト */
.empty-placeholder:empty::before {
    content: 'クリックして編集';
    color: #adb5bd;
}

.preview-description.empty-placeholder:empty::before {
    content: 'クリックして説明を編集';
}

.preview-note.empty-placeholder:empty::before {
    content: 'クリックして補足を編集';
}

.preview-heading .empty-placeholder:empty::before {
    content: 'クリックして見出しを編集';
}

/* 空の列のドロップエリア */
.empty-column-drop {
    min-height: 150px;
    border: 3px dashed #dee2e6;
    background-color: #f8f9fa;
    color: #6c757d;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.3s ease;
    margin: 10px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
}

.empty-column-drop.drag-over {
    border-color: #2196f3;
    background-color: #e3f2fd;
    color: #1976d2;
    transform: scale(1.02);
    box-shadow: 0 4px 16px rgba(33, 150, 243, 0.3);
    border-width: 4px;
}

/* キー選択のスタイル */
.key-select {
    padding: 2px 4px;
    border: 1px solid #ccc;
    background-color: #fff;
    font-size: 14px;
    min-width: 60px;
    text-align: center;
    cursor: pointer;
}

.key-select:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 3px rgba(0, 123, 255, 0.3);
}

/* CSS変数でテーマカラーを定義 */
.shortcut-color-default { --theme-color: #333333; }
.shortcut-color-pink { --theme-color: #e91e63; }
.shortcut-color-green { --theme-color: #4caf50; }
.shortcut-color-orange { --theme-color: #ff9800; }
.shortcut-color-blue { --theme-color: #2196f3; }
.shortcut-color-purple { --theme-color: #9c27b0; }
.shortcut-color-red { --theme-color: #f44336; }
.shortcut-color-cyan { --theme-color: #00bcd4; }
.shortcut-color-yellow { --theme-color: #ffc107; }
.shortcut-color-dark { --theme-color: #607d8b; }

/* 新しいテーマカラー */
.shortcut-color-red .preview-heading {
    color: #f44336;
    border-color: #f44336;
}

.shortcut-color-cyan .preview-heading {
    color: #00bcd4;
    border-color: #00bcd4;
}

.shortcut-color-yellow .preview-heading {
    color: #ffc107;
    border-color: #ffc107;
}

/* 新しいタイトルスタイル */

.preview-title.style-large {
    font-size: 2.2em;
    font-weight: 700;
}

.preview-title.style-center {
    text-align: center;
}


.preview-title.style-shadow {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    font-weight: bold;
}

.preview-title.style-box {
    background-color: var(--theme-color, #333) !important;
    color: white !important;
    padding: 12px 20px !important;
    border-radius: 6px !important;
    border: none !important;
    display: block !important;
    width: fit-content !important;
    margin: 0 auto !important;
    font-weight: 600;
}

.preview-title.style-badge {
    background-color: var(--theme-color, #333) !important;
    color: white !important;
    padding: 8px 16px !important;
    border-radius: 20px !important;
    border: none !important;
    display: block !important;
    width: fit-content !important;
    margin: 0 auto !important;
    font-size: 20px !important;
    font-weight: 500;
}

.preview-title.style-ribbon {
    position: relative;
    background-color: var(--theme-color, #333) !important;
    color: white !important;
    padding: 12px 30px 12px 20px !important;
    border: none !important;
    display: block !important;
    width: fit-content !important;
    margin: 0 auto !important;
    font-weight: 600;
}

.preview-title.style-ribbon::after {
    content: '';
    position: absolute;
    right: -15px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 15px solid var(--theme-color, #333);
    border-top: 30px solid transparent;
    border-bottom: 30px solid transparent;
}

/* カラーテーマごとのタイトル色 */
.shortcut-color-default .preview-title {
    color: #333 !important;
}

.shortcut-color-pink .preview-title {
    color: #e91e63 !important;
}

.shortcut-color-green .preview-title {
    color: #4caf50 !important;
}

.shortcut-color-orange .preview-title {
    color: #ff9800 !important;
}

.shortcut-color-blue .preview-title {
    color: #2196f3 !important;
}

.shortcut-color-purple .preview-title {
    color: #9c27b0 !important;
}

.shortcut-color-red .preview-title {
    color: #f44336 !important;
}

.shortcut-color-cyan .preview-title {
    color: #00bcd4 !important;
}

.shortcut-color-yellow .preview-title {
    color: #fbc02d !important;
}

.shortcut-color-dark .preview-title {
    color: #555 !important;
}

/* 新しい見出しスタイル */
.preview-heading.style-box {
    background-color: var(--theme-color, #333) !important;
    color: white !important;
    padding: 8px 16px !important;
    border-radius: 4px !important;
    border: none !important;
    display: block !important;
    width: fit-content !important;
}

.preview-heading.style-ribbon {
    position: relative;
    background-color: var(--theme-color, #333) !important;
    color: white !important;
    padding: 8px 20px 8px 16px !important;
    border: none !important;
    display: block !important;
    width: fit-content !important;
}

.preview-heading.style-ribbon::after {
    content: '';
    position: absolute;
    right: -10px;
    top: 0;
    bottom: 0;
    width: 0;
    border-left: 10px solid var(--theme-color, #333);
    border-top: 20px solid transparent;
    border-bottom: 20px solid transparent;
}

.preview-heading.style-badge {
    background-color: var(--theme-color, #333) !important;
    color: white !important;
    padding: 4px 12px !important;
    border-radius: 12px !important;
    font-size: 14px !important;
    border: none !important;
    display: block !important;
    width: fit-content !important;
}

.preview-heading.style-shadow {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    font-weight: bold;
}

/* 新しいカードスタイル */
.card-style-flat .preview-shortcut {
    background-color: #f8f9fa;
    border: none;
    box-shadow: none;
}

.card-style-outlined .preview-shortcut {
    background-color: transparent;
    border: 2px solid #dee2e6;
    box-shadow: none;
}

.card-style-elevated .preview-shortcut {
    background-color: #ffffff;
    border: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.card-style-rounded .preview-shortcut {
    background-color: #ffffff;
    border: 1px solid #dee2e6;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

/* プレビューでスペーサーダミーを完全に透明化（サイズは保持） */
.preview-window .spacer-dummy {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
}

.preview-window .spacer-dummy,
.preview-window .spacer-dummy .preview-key,
.preview-window .spacer-dummy .preview-description,
.preview-window .spacer-dummy .preview-note,
.preview-window .spacer-dummy .preview-plus {
    color: transparent !important;
    text-shadow: none !important;
    background: transparent !important;
    border: none !important;
}

/* キーボタンも透明化 */
.preview-window .spacer-dummy .preview-key::after {
    display: none !important;
}

.preview-window .spacer-dummy .spacer-height-select,
.preview-window .spacer-dummy .delete-preview-btn {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

/* スペーサーダミーを分かりやすくする（編集画面のみ） */
.spacer-dummy {
    outline: 2px dashed rgba(0, 123, 255, 0.3) !important;
    outline-offset: -1px;
    position: relative;
    width: 100% !important; /* 横幅いっぱいに表示 */
}

/* スペーサーダミー内のテキストを薄くする */
.spacer-dummy .preview-description,
.spacer-dummy .preview-note,
.spacer-dummy .spacer-heading-text {
    opacity: 0.6 !important;
}

/* スペーサーダミーのキーボタンを薄くする */
.spacer-dummy .preview-key {
    opacity: 0.4 !important;
}

/* 編集画面ではスペーサーダミーのselectは普通に操作可能 */
.spacer-dummy .spacer-height-select {
    background: white !important;
    border: 1px solid #ccc !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: all !important;
    color: #333 !important;
}

/* 見出しスタイルでselectが白文字になるのを防ぐ */
.preview-heading.spacer-dummy .heading-spacer-select {
    background: rgba(255, 255, 255, 0.95) !important;
    color: #333 !important;
    border: 1px solid #999 !important;
    padding: 2px 6px;
    margin-left: 10px;
}

/* スペーサーダミーのドロップライン（青い線）を見出し幅に制限されないよう修正 */
.preview-heading.spacer-dummy.drop-before::before {
    left: -20px !important;
    right: -20px !important;
    width: auto !important;
}

.preview-heading.spacer-dummy.drop-after::after {
    left: -20px !important;
    right: -20px !important;
    width: auto !important;
}

/* リボンスタイルのスペーサーダミーで変な三角形表示を完全に無効化 */
.preview-heading.spacer-dummy.style-ribbon::after {
    display: none !important;
}

/* スタイル別の見出しスペーサー対応 */
.preview-heading.spacer-dummy.style-box .heading-spacer-select,
.preview-heading.spacer-dummy.style-badge .heading-spacer-select,
.preview-heading.spacer-dummy.style-ribbon .heading-spacer-select {
    background: white !important;
    color: #333 !important;
}

/* プレビューウィンドウで空のプレースホルダーを非表示 */
.preview-window .empty-placeholder:empty::before {
    display: none !important;
}

/* プレビューウィンドウで空のテキストは非表示 */
.preview-window .empty-placeholder:empty {
    display: none !important;
}

/* タイトルと見出しの白テキストを確実に適用 */
.preview-title.style-box,
.preview-title.style-badge,
.preview-title.style-ribbon,
.preview-heading.style-box,
.preview-heading.style-badge,
.preview-heading.style-ribbon {
    color: white !important;
}

.preview-title.style-box *,
.preview-title.style-badge *,
.preview-title.style-ribbon *,
.preview-heading.style-box *,
.preview-heading.style-badge *,
.preview-heading.style-ribbon * {
    color: white !important;
}