/* サイドバー */
.sidebar-widget {
    background-color: #fff;
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
    padding: 20px;
}

.sidebar-widget h3 {
    margin-top: 0;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    color: var(--primary-color);
    font-size: 18px;
}

.sidebar-widget ul {
    list-style: none;
}

.sidebar-widget ul li {
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--border-color);
}

.sidebar-widget ul li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.search-form {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.search-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    font-size: 15px;
    box-sizing: border-box;
}

.search-input:focus {
    outline: none;
    border-color: #999;
}

.search-button {
    padding: 10px 12px;
    background: #f5f5f5;
    color: #333;
    border: 1px solid var(--border-color);
    font-size: 15px;
    cursor: pointer;
}

.search-button:hover {
    background: #e8e8e8;
}

/* カテゴリーグループ表示 */
.category-group {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px dashed #ddd;
}

.category-group:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.category-group-name {
    font-weight: bold;
    color: #555;
    font-size: 13px;
    padding: 6px 10px;
    margin-bottom: 10px;
    background: #f8f8f8;
    border-radius: 3px;
}

.category-group ul {
    padding-left: 8px;
    margin: 0;
}

.category-group ul li {
    margin-bottom: 6px;
    padding-bottom: 6px;
    font-size: 14px;
}

.category-group ul li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
}