.settings-group {
    margin-bottom: 24px;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--card-bg);
}

.settings-group h3 {
    margin-bottom: 16px;
    color: var(--text-primary);
    font-size: 1.1em;
    font-weight: bold;
}

.setting-item {
    margin-bottom: 16px;
    padding: 8px 0;
}

.setting-item:last-child {
    margin-bottom: 0;
}

.api-setting {
    display: none; /* 初期状態は非表示 */
    padding: 12px;
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--card-bg);
}

.api-setting.active {
    display: block;
}

.settings-group.collapsed .setting-item {
    display: none;
}

.settings-group h3 {
    cursor: pointer;
}