/* body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f4f4f4;
} */

.slideshow-container {
    position: relative;
    flex:60%;
    /* max-width: 600px; */
    overflow: hidden;
    border: 2px solid #ddd;
    border-radius: 10px;
}

.slide {
    display: none;
    text-align: center;
}

.slide img {
    width: 100%;
    border-bottom: 2px solid #ddd;
}

.description {
    padding: 10px;
    bottom:15px;
    background-color: #fff;
}

.prev, .next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    font-size: 2em;
    color: #333;
    padding: 10px;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    text-decoration: none;
}

.prev {
    left: 10px;
}

.next {
    right: 10px;
}

.prev:hover, .next:hover {
    background-color: #bbb;
}

.indicator {
    margin: 0;
    padding: 10px;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    font-size: 1em;
    font-family: Arial, sans-serif;
    border-top: 2px solid #ddd;
    border-bottom: 2px solid #ddd;
}


/* 目次のデザイン */
.navigation {
    flex:30%;
    display: flex;
    flex-direction: column; /* 縦方向に配置 */
    justify-content: center;
    right: 0px;
    margin-top: 20px;
    gap: 10px;
}

.nav-button {
    background-color: #ddd;
    border: 1px solid #bbb;
    border-radius: 5px;
    padding: 10px 15px;
    cursor: pointer;
    font-size: 1em;
    font-family: Arial, sans-serif;
    transition: background-color 0.3s ease;
}

.nav-button:hover {
    background-color: #bbb;
}

.nav-button.active {
    background-color: #666;
    color: white;
    border-color: #444;
}