.related-posts {
    margin-top: 2rem;
    padding: 0; /* ← 1rem → 0 にしてみる */
    border-radius: 5px;
    border: 1px solid #57E1BF;
}


.related-posts-list {
    list-style: none;
    padding: 0 0;
    display: flex;
    flex-direction: column; /* ← 縦並びにする */
    gap: 1rem;
    border: 1px solid #57E1BF;
}


.related-posts-list li {
    margin: 0; /* ← 念のため追加 */
    padding: 0; /* ← 念のため追加 */
    border: 1px solid #57E1BF;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}




.related-thumb {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 3px;
    flex-shrink: 0;
    margin: 0; /* ← 念のため追加 */
}


.related-title {
    display: block;
    margin: 0;
    font-size: 0.9rem;
    text-decoration: none;
}

.related-title:hover {
    text-decoration: underline;
}

.hatena-module-title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}