.content-list {
    list-style: none;
    margin: 24px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.content-list li {
    border: 1.5px solid;
    border-radius: 16px;
    padding: 20px 24px;
    line-height: 1.8;
    background: #fff;
}

.content-list strong {
    display: block;
    margin-bottom: 8px;
    color: var(--page-accent);
    font-size: 20px;
}

.content-text h3 {
    margin: 48px 0 20px;
    padding-left: 14px;
    border-left: 6px solid var(--page-accent);
    color: var(--page-accent);
    font-size: 1.35rem;
}

.content-text h3:first-child {
    margin-top: 0;
}

/* 「音楽科とは」のリストだけ少しコンパクトに */

#music-about-2 .content-list li {
    padding: 16px 20px;
}

/* スマホ */

@media (max-width: 768px) {
    .content-list {
        gap: 14px;
    }

    .content-list li {
        padding: 16px;
    }

    .content-list strong {
        font-size: 1.05rem;
    }

    .content-text h3 {
        font-size: 1.2rem;
        margin: 36px 0 16px;
    }
}