/* フォーム関連のスタイル */
.contact-form-section {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

/* プログレスバーのスタイル */
.upload-progress-container {
    margin: 20px 0;
    width: 100%;
}

.upload-preview .upload-progress-container {
    position: absolute;
    top: -25px;
    left: 0;
    width: 100%;
    padding: 5px 10px;
    z-index: 5;
}

.upload-progress-bar {
    height: 8px;
    width: 0%;
    background: linear-gradient(90deg, #00E676 0%, #00BCD4 100%);
    border-radius: 4px;
    transition: width 0.3s;
}

.upload-progress-text {
    text-align: center;
    margin-top: 10px;
    font-size: 14px;
    color: #333;
    font-weight: 500;
}

.progress-percent {
    position: relative;
    display: inline-block;
}

/* main.css */
.composite-photo-creator {
    max-width: 1200px;
    margin: 0 auto;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.composite-photo-creator h3 {
    margin-top: 40px;
    margin-bottom: 10px;
    font-size: 22px;
    color: #fff;
    padding: 14px;
    background: #333;
}

.layout-selector {
    margin-bottom: 20px;
    text-align: center;
}

.layout-selector select {
    padding: 14px 14px;
    border-radius: 4px;
    border: 1px solid #ccc;
    font-size: 16px;
    width: 100%;
    max-width: 300px;
}

.upload-section {
    margin-bottom: 20px;
    text-align: center;
}

.upload-section input[type="file"] {
    max-width: 100%;
}

.upload-preview {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
    position: relative;
    min-height: 50px;
}

.upload-preview .upload-progress {
    position: absolute;
    top: -25px;
    left: 0;
    width: 100%;
    padding: 5px 10px;
    background-color: #f0f0f0;
    border-radius: 4px;
    font-size: 14px;
    color: #555;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    z-index: 5;
}

.upload-preview .preview-item {
    position: relative;
    width: 100px;
    height: 100px;
    border: 2px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
    background-color: #fff;
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

/* PC用のスタイル */
@media (hover: hover) and (pointer: fine) {
    .upload-preview .preview-item {
        cursor: move;
    }
    
    .upload-preview .preview-item:active {
        cursor: grabbing;
    }
}

/* タッチデバイス用のスタイル */
@media (hover: none) and (pointer: coarse) {
    .upload-preview .preview-item {
        cursor: grab;
        touch-action: pan-y pinch-zoom;
    }
    
    .upload-preview .preview-item:active {
        cursor: grabbing;
    }
}

.upload-preview .preview-item.selected {
    border-color: #2196F3;
    border-width: 3px;
}

.upload-preview .preview-item.ui-sortable-helper {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    z-index: 1000;
    opacity: 0.8;
}

.upload-preview .preview-item.ui-sortable-placeholder {
    border: 2px dashed #2196F3;
    background-color: rgba(33, 150, 243, 0.1);
    visibility: visible !important;
}

.upload-preview .preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    -webkit-user-drag: none;
    user-select: none;
}

.upload-preview .remove-image {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 20px;
    height: 20px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    color: #ff4444;
    z-index: 1;
}

.composite-preview {
    margin-bottom: 20px;
    text-align: center;
}

.composite-container {
    display: none;
    position: relative;
    margin: 20px auto;
    -webkit-touch-callout: none; /* iOSのサブメニューを無効化 */
    -webkit-user-select: none; /* テキスト選択を無効化 */
    user-select: none; /* テキスト選択を無効化 */
    touch-action: none; /* デフォルトのタッチ動作を無効化 */
}

.composite-container.active {
    display: grid;
}

/* 縦型 4枚 */
.portrait-4 {
    width: 400px;
    height: 600px;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 5px;
}

/* 横型 4枚 */
.landscape-4 {
    width: 600px;
    height: 400px;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 5px;
}

/* 正方形 9枚 */
.square-9 {
    width: 450px;
    height: 450px;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr;
    gap: 5px;
}

.photo-slot {
    position: relative;
    background: #f5f5f5;
    border: 2px dashed #ccc;
    margin: 5px;
    overflow: hidden;
    cursor: pointer;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    touch-action: none;
}

.photo-slot.has-image {
    border-style: solid;
    border-color: #4CAF50;
}

.photo-slot.dragover {
    border-color: #2196F3;
    background-color: rgba(33, 150, 243, 0.1);
}

.photo-slot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    pointer-events: none;
}

.photo-slot.ui-sortable-helper {
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transform: scale(1.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.photo-slot.ui-sortable-placeholder {
    border: 2px dashed #2196F3;
    background-color: rgba(33, 150, 243, 0.1);
    transition: all 0.2s ease;
}

.photo-slot .image-controls {
    position: absolute;
    bottom: 5px;
    right: 5px;
    display: flex;
    gap: 5px;
    z-index: 10;
}

.photo-slot .image-controls button {
    width: 24px;
    height: 24px;
    background-color: rgba(255, 255, 255, 0.7);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}


.actions {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

button.button {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

button.button-primary {
    background-color: #111;
    color: white;
}

button.button-primary:hover {
    background-color: #005a87;
}

button.button:not(.button-primary) {
    background-color: #f5f5f5;
    color: #333;
    border: 1px solid #ccc;
}

button.button:not(.button-primary):hover {
    background-color: #e5e5e5;
}

button.button:disabled {
    background-color: #f5f5f5;
    color: #999;
    cursor: not-allowed;
}


#result-container {
    margin-top: 20px;
}

#composite-result {
    text-align: center;
}

#composite-result img {
    max-width: 100%;
    height: auto;
    border: 1px solid #ddd;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .portrait-4, .landscape-4, .square-9 {
        width: 100%;
        max-width: 400px;
        height: auto;
        aspect-ratio: auto;
    }
    
    .portrait-4 {
        aspect-ratio: 2/3;
    }
    
    .landscape-4 {
        aspect-ratio: 3/2;
    }
    
    .square-9 {
        aspect-ratio: 1/1;
    }
    
    .actions {
        flex-direction: column;
    }
    
    .actions button {
        width: 100%;
    }
}