/* ===================================
   ヘッダー検索フォームのスタイル
   =================================== */

.header-search {
    margin-left: auto;
    padding-left: 20px;
}

.header-search .search-form {
    display: flex;
    align-items: center;
    position: relative;
}

.header-search label {
    margin: 0;
    position: relative;
    display: flex;
    align-items: center;
}

.header-search .screen-reader-text {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.header-search .search-field {
    padding: 8px 40px 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    width: 200px;
    transition: all 0.3s ease;
    background-color: #fff;
}

.header-search .search-field:focus {
    outline: none;
    border-color: var(--arkhe-color-primary, #007cba);
    box-shadow: 0 0 5px rgba(0, 124, 186, 0.3);
}

.header-search .search-submit {
    position: absolute;
    right: 2px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 6px 8px;
    cursor: pointer;
    color: #666;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-search .search-submit:hover {
    color: var(--arkhe-color-primary, #007cba);
}

.header-search .search-submit .material-icons {
    font-size: 20px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .header-search {
        margin-left: 10px;
        padding-left: 10px;
    }
    
    .header-search .search-field {
        width: 150px;
        font-size: 13px;
        padding: 6px 35px 6px 10px;
    }
    
    .header-search .search-submit {
        padding: 4px 8px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .header-search .search-field {
        width: 120px;
    }
}