body {
    font-family: "Times New Roman", "游明朝", serif;
    background-color: #f4f1ec;
    padding: 30px;
    color: #222;
}

h1 {
    font-size: 2.0em;
    border-bottom: 2px solid #000;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.subheadline {
    font-size: 1.0em;
    margin-bottom: 20px;
    font-style: italic;
}

.upload-area {
    margin-bottom: 30px;
}

input[type="file"] {
    font-size: 0.9em;
    padding: 5px;
}

.status {
    margin: 20px 0;
    font-size: 0.9em;
    font-style: italic;
}

.preview {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    border-top: 1px solid #ccc;
    padding-top: 20px;
}

.preview-item {
    border: 1px solid #ddd;
    padding: 10px;
    background-color: #fff;
    max-width: 250px;
    font-size: 0.8em;
    text-align: center;
    box-shadow: 2px 2px 5px rgba(0,0,0,0.1);
}

.preview-item img {
    max-width: 100%;
    height: auto;
    margin-bottom: 5px;
    border: 1px solid #ccc;
}

.file-info {
    margin-top: 5px;
}

.label {
    font-weight: bold;
}

.download-btn {
    display: inline-block;
    margin-top: 6px;
    padding: 4px 8px;
    border: 1px solid #333;
    background: #eee;
    cursor: pointer;
    font-size: 0.8em;
    transition: background 0.2s;
}

.download-btn:hover {
    background: #ddd;
}