/* お問い合わせボタンのスタイル */
.item__button-group {
    display: flex;
    justify-content: flex-end;
    margin-top: 20px;
}

.item__contact-btn {
    display: inline-block;
    background-color: #455A64;
    color: #ffffff;
    font-size: 19px;
    font-weight: bold;
    padding: 0.7em 1.65em;
    border-radius: 6px;
    text-decoration: none;
    text-align: center;
    transition: 0.2s ease;
    cursor: pointer;
}

.item__contact-btn:hover {
    opacity: 0.7;
}