#serviceList {
    max-width: 95%;
    margin: 24px auto 0;
}

/* カテゴリ */
.category {
    margin-bottom: 20px;
    border: 1px solid #bbb;
    border-radius: 8px;
    background: #f5f5f5;
}

#serviceList .category>summary {
    padding: 15px;
    font-size: 17px;
    font-weight: 500;
}

/* サービス */
.service {
    margin: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: #fff;
}

#serviceList .service>summary {
    padding: 12px;
    font-weight: bold;
}

/* summary共通 */
#serviceList .category>summary,
#serviceList .service>summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    cursor: pointer;
    list-style: none;
}

/* Chrome・Safariの標準マーカーを非表示 */
#serviceList summary::-webkit-details-marker {
    display: none;
}

/* Firefoxなどの標準マーカーを非表示 */
#serviceList summary::marker {
    content: "";
}

/* CSSで矢印を作成 */
#serviceList .category>summary::after,
#serviceList .service>summary::after {
    content: "";
    display: block;
    flex: 0 0 auto;
    width: 9px;
    height: 9px;
    margin-left: 16px;
    border-right: 2px solid #717171;
    border-bottom: 2px solid #717171;

    /* 閉じているとき：右向き */
    transform: rotate(-45deg);

    transform-origin: center;
    transition: transform 0.3s cubic-bezier(.13, .78, .38, .98);
}

/* 開いているとき：下向き */
#serviceList .category[open]>summary::after,
#serviceList .service[open]>summary::after {
    transform: rotate(45deg);
}

/* キーボード操作時のフォーカス */
#serviceList summary:focus-visible {
    outline: 2px solid #0066cc;
    outline-offset: -2px;
}

/* 内容 */
.service-content {
    padding: 15px;
    border-top: 1px solid #eee;
}

.service-content p {
    line-height: 1.8;
}

.service-content a {
    color: #0066cc;
}