/* Materials Page Styles - お役立ち資料一覧ページ専用のスタイル */

/* ページヘッダー */
.page-header,
.page-header--bg-white {
    background: 
        linear-gradient(rgba(0, 59, 131, 0.7), rgba(0, 59, 131, 0.7)),
        url('../images/header-bg/materials-header-bg.jpg') !important;
    background-size: cover !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
    color: white;
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header .breadcrumb {
    position: absolute;
    top: 20px;
    left: 40px;
    color: #fff;
    font-size: 13px;
    z-index: 2;
    text-align: left;
    margin: 0;
    padding: 0;
    text-shadow: 0 1px 8px rgba(0,0,0,0.5);
}

.page-header .breadcrumb a {
    color: #fff;
    opacity: 0.85;
    text-decoration: none;
    text-shadow: 0 1px 8px rgba(0,0,0,0.5);
}

.page-header .breadcrumb a:hover {
    text-decoration: underline;
    color: #fff;
}

.breadcrumb-separator,
.breadcrumb-current {
    color: #fff;
    opacity: 0.7;
    text-shadow: 0 1px 8px rgba(0,0,0,0.5);
}

.page-header .container {
    position: relative;
    z-index: 2;
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.page-subtitle {
    font-size: 18px;
    font-weight: 400;
    opacity: 0.9;
}

/* メイン資料バナー */
.materials-section {
    padding: 40px;
    background-color: var(--light-bg);
}

.materials-banner {
    width: 100%;
    height: auto;
    max-width: 800px;
    margin: 0 auto;
    display: block;
}

/* フィルター */
.materials-filter {
    padding: 40px 40px;
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
}

.filter-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 20px;
}

.filter-options {
    display: flex;
    gap: 30px;
}

.filter-option {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    user-select: none;
}

.filter-option input[type="radio"] {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    cursor: pointer;
    position: relative;
    appearance: none;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    background-color: var(--white);
    transition: all 0.3s ease;
}

.filter-option input[type="radio"]:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.filter-option input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background-color: var(--white);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.filter-text {
    color: var(--text-color);
    cursor: pointer;
}

/* 資料一覧 */
.materials-list {
    padding: 60px 0 80px;
    background-color: var(--light-bg);
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.material-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.material-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
    text-decoration: none;
    color: inherit;
}

.material-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.material-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.material-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.material-category {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 15px;
    width: fit-content;
}

.material-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 15px;
    line-height: 1.4;
}

.material-description {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-color);
    margin-bottom: 15px;
}

.material-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
    flex: 1;
}

.material-features li {
    font-size: 13px;
    color: var(--text-color);
    margin-bottom: 8px;
    padding-left: 15px;
    position: relative;
    line-height: 1.4;
}

.material-features li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.material-features li:last-child {
    margin-bottom: 0;
}

.material-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-top: auto;
    pointer-events: none;
}

.material-btn:hover {
    background-color: #002c6a;
    transform: translateY(-2px);
}

/* フィルタリング機能 */
.material-card.hidden {
    display: none;
}

/* レスポンシブ対応 */
@media (max-width: 1200px) {
    .materials-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 992px) {
    .page-title {
        font-size: 36px;
    }
    
    .page-subtitle {
        font-size: 16px;
    }
    
    .materials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .filter-options {
        flex-wrap: wrap;
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .main{
        padding: 0px;
    }

    .page-header {
        margin-top: 80px;
        padding: 60px 0 40px;
    }
    
    .page-header .breadcrumb {
        top: 15px;
        left: 20px;
        font-size: 12px;
    }
    
    .page-title {
        font-size: 28px;
    }
    
    .page-subtitle {
        font-size: 14px;
    }
    
    .materials-section {
        padding: 30px 0;
    }
    
    .materials-filter {
        padding: 30px 20px;
    }
    
    .materials-list {
        padding: 40px 0 60px;
    }
    
    .filter-title {
        font-size: 18px;
        margin-bottom: 15px;
    }
    
    .filter-option {
        font-size: 14px;
    }
    
    .filter-option input[type="radio"] {
        width: 18px;
        height: 18px;
        margin-right: 8px;
    }
    
    .filter-option input[type="radio"]:checked::after {
        width: 6px;
        height: 6px;
    }
    
    .material-content {
        padding: 15px;
    }
    
    .material-title {
        font-size: 18px;
        margin-bottom: 10px;
    }
    
    .material-description {
        font-size: 14px;
        margin-bottom: 15px;
    }
    
    .material-features li {
        font-size: 13px;
        margin-bottom: 8px;
    }
    
    .material-btn {
        font-size: 14px;
        padding: 10px 20px;
    }
}

@media (max-width: 576px) {
    .page-header {
        padding: 40px 0 30px;
    }
    
    .materials-section,
    .materials-list {
        padding: 20px 0;
    }
    
    .filter-title {
        font-size: 16px;
        margin-bottom: 10px;
    }
    
    .filter-options {
        flex-direction: column;
        gap: 10px;
    }
    
    .filter-option {
        font-size: 13px;
    }
    
    .filter-option input[type="radio"] {
        width: 16px;
        height: 16px;
        margin-right: 6px;
    }
    
    .filter-option input[type="radio"]:checked::after {
        width: 5px;
        height: 5px;
    }
    
    .material-image {
        height: 160px;
    }
    
    .material-content {
        padding: 12px;
    }
    
    .material-title {
        font-size: 16px;
        margin-bottom: 8px;
    }
    
    .material-description {
        font-size: 12px;
        margin-bottom: 12px;
        line-height: 1.4;
    }
    
    .material-features {
        margin-bottom: 15px;
    }
    
    .material-features li {
        font-size: 11px;
        margin-bottom: 6px;
    }
    
    .material-btn {
        font-size: 13px;
        padding: 8px 16px;
    }
}