/* スライド用 CSS */

    .slideshow-container {
        max-width: 800px;
        margin: 20px auto; /* スライド同士の間に隙間を空ける */
        border: 2px solid #333;
        background-color: #f9f9f9;
    }

    .mySlides { display: none; }
    img { width: 100%; height: auto; vertical-align: middle; }

    .controls-panel {
        text-align: center;
        padding: 10px;
        background: #eee;
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 20px;
    }

    .btn-control, .page-text {
        font-size: 14px;
        font-family: "Meiryo", sans-serif;
        color: #333;
    }

    .btn-control {
        cursor: pointer;
        padding: 5px 12px;
        background-color: #fff;
        border: 1px solid #ccc;
        border-radius: 4px;
    }