.car-search-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 100001;
}

.car-search-modal-content {
    position: relative;
    background-color: #fff;
    margin: 10vh auto;
    padding: 20px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    border-radius: 8px;
    overflow-y: auto;
}

.car-search-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid #eee;
}

.car-search-modal-header h2 {
    font-size: 1em;
    font-weight: bold;
    margin-top: 0;
    margin-bottom: 0px;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    padding: 0 5px;
}

.search-section {
    margin-bottom: 20px;
}

.search-section h3 {
    display: none;
}

.maker-list,
.model-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 5px;
    margin-top: 10px;
}

.index-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(45px, 1fr));
    gap: 5px;
    margin-top: 10px;
}

.maker-list button,
.index-list button,
.model-list button {
    width: 100%;
    padding: 5px;
    background-color: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    transition: background-color 0.2s;
    font-size: 0.8em;
}

.maker-list button:hover,
.index-list button:hover,
.model-list button:hover {
    background-color: #e0e0e0;
}

.no-models {
    padding: 20px;
    text-align: center;
    color: #666;
    background: #f5f5f5;
    border-radius: 4px;
    margin: 10px 0;
    font-size: 0.8em;
}

.breadcrumb-navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    margin-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.breadcrumb-navigation span {
    font-size: 0.8em;
    color: #333;
}

.breadcrumb-navigation .selected-maker {
    font-weight: bold;
}

.breadcrumb-navigation .selected-index {
    color: #666;
}

.back-button {
    display: inline-block;
    padding: 5px 10px;
    margin-left: auto;
    background-color: #f0f0f0;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8em;
}

.back-button:hover {
    background-color: #e0e0e0;
}

/* スマートフォン対応 */
@media screen and (max-width: 480px) {
    .car-search-modal-content {
        margin: 5vh auto;
        padding: 15px;
        width: 95%;
    }

    .car-search-modal-header h2 {
        font-size: 1.2em;
    }

    .maker-list,
    .model-list {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 5px;
    }

    .maker-list button,
    .index-list button,
    .model-list button {
        padding: 5px;
        font-size: 0.8em;
    }

    .search-section h3 {
        display: none;
    }

    .breadcrumb-navigation {
        padding: 8px 0;
        margin-bottom: 12px;
    }

    .breadcrumb-navigation span {
        font-size: 0.8em;
    }

    .back-button {
        padding: 5px 10px;
        font-size: 0.8em;
    }
}

/* WordPress管理画面のカードスタイル */
.card {
    position: relative;
    margin-top: 20px;
    padding: .7em 2em 1em;
    min-width: 255px;
    border: 1px solid #c3c4c7;
    box-shadow: 0 1px 1px rgba(0, 0, 0, .04);
    background: #fff;
    box-sizing: border-box;
}