/**
 * chuugaku 配下のページ専用スタイル（chuugaku 本体には適用されない）
 * 条件: is_tree_by_slug('chuugaku') && !is_page('chuugaku')
 * h4 を h2・h3 のトンマナに合わせたデザインに統一
 */

/* ========== h4のスタイル（h2・h3とトンマナを統一） ========== */
.und_wrap h4 {
    position: relative !important;
    padding: 10px 15px 10px 38px !important;
    margin: 20px 0 15px 0 !important;
    font-size: 18px !important;
    font-weight: bold !important;
    color: #1e4ba8 !important;
    background: linear-gradient(to right, #f0f5ff 0%, #ffffff 100%) !important;
    border-left: 3px solid #2b5ec6 !important;
    border-radius: 0 4px 4px 0 !important;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08) !important;
    width: auto !important;
    display: block !important;
    box-sizing: border-box !important;
    background-image: none !important;
}

/* h4の装飾（h3の◆より一段下のマーカー） */
.und_wrap h4::before {
    content: "●" !important;
    position: absolute !important;
    left: 15px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    color: #2b5ec6 !important;
    font-size: 12px !important;
}

/* h4のホバー効果（h3と同様） */
.und_wrap h4:hover {
    background: linear-gradient(to right, #e6efff 0%, #ffffff 100%) !important;
    transition: background 0.3s ease;
}

@media (max-width: 768px) {
    .und_wrap h4 {
        font-size: 16px !important;
        padding: 8px 12px 8px 32px !important;
        margin: 15px 0 12px 0 !important;
    }

    .und_wrap h4::before {
        font-size: 10px !important;
        left: 12px !important;
    }
}

@media (max-width: 420px) {
    .und_wrap h4 {
        font-size: 15px !important;
        padding: 6px 10px 6px 28px !important;
    }

    .und_wrap h4::before {
        left: 10px !important;
    }
}