/**
 * Front Page Styles
 * トップページ専用CSS - icotto風デザイン準拠
 */

/* =============================================
   グローバル設定
   ============================================= */
.front-page-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px 40px;
}

@media (max-width: 768px) {
    .front-page-wrapper {
        padding: 0 12px 32px;
    }
}

/* =============================================
   ヒーローセクション
   ============================================= */
.hero-section {
    position: relative;
    margin-bottom: 60px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

@media (max-width: 768px) {
    .hero-section {
        margin-bottom: 48px;
        border-radius: 16px;
    }
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
}

@media (max-width: 768px) {
    .hero-image-wrapper {
        height: 300px;
    }
}

.hero-banner-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.85);
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    width: 90%;
    max-width: 800px;
    z-index: 2;
}

/* 画像なしの場合のスタイル */
.hero-section:not(:has(.hero-image-wrapper)) .hero-content {
    position: static;
    transform: none;
    padding: 60px 32px;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-soft) 100%);
    border-radius: 20px;
}

@media (max-width: 768px) {
    .hero-section:not(:has(.hero-image-wrapper)) .hero-content {
        padding: 48px 24px;
        border-radius: 16px;
    }
}

.hero-title {
    font-size: 40px;
    font-weight: 700;
    color: white;
    margin: 0 0 16px 0;
    line-height: 1.4;
    letter-spacing: 0.02em;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-section:not(:has(.hero-image-wrapper)) .hero-title {
    color: var(--text-dark);
    text-shadow: none;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 28px;
        margin-bottom: 12px;
    }
}

.hero-subtitle {
    font-size: 18px;
    color: white;
    line-height: 1.7;
    margin: 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-section:not(:has(.hero-image-wrapper)) .hero-subtitle {
    color: var(--text-medium);
    text-shadow: none;
}

@media (max-width: 768px) {
    .hero-subtitle {
        font-size: 15px;
    }
}

/* =============================================
   セクション共通スタイル
   ============================================= */
.latest-posts-section,
.prefecture-search-section {
    margin-bottom: 80px;
}

@media (max-width: 768px) {
    .latest-posts-section,
    .prefecture-search-section {
        margin-bottom: 64px;
    }
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .section-header {
        margin-bottom: 32px;
    }
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 12px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    letter-spacing: 0.02em;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 26px;
        gap: 10px;
        margin-bottom: 10px;
    }
}

.title-icon {
    font-size: 36px;
}

@media (max-width: 768px) {
    .title-icon {
        font-size: 30px;
    }
}

.section-description {
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.7;
    margin: 0;
}

@media (max-width: 768px) {
    .section-description {
        font-size: 14px;
    }
}

/* =============================================
   新着記事グリッド
   ============================================= */
.latest-posts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

@media (max-width: 1024px) {
    .latest-posts-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .latest-posts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .latest-posts-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* =============================================
   記事カード
   ============================================= */
.post-card {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    height: 100%;
}

@media (max-width: 768px) {
    .post-card {
        border-radius: 10px;
    }
}

.post-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

/* サムネイル */
.post-thumbnail {
    position: relative;
    width: 100%;
    padding-top: 66.67%; /* 3:2のアスペクト比 */
    overflow: hidden;
    background: var(--bg-soft);
}

.post-thumbnail a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.post-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.post-card:hover .post-image {
    transform: scale(1.05);
}

.post-no-image .no-image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    background: var(--bg-soft);
}

@media (max-width: 768px) {
    .post-no-image .no-image-placeholder {
        font-size: 40px;
    }
}

/* カテゴリーバッジ */
.post-category-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary-turquoise);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(25, 191, 191, 0.3);
    letter-spacing: 0.03em;
}

@media (max-width: 768px) {
    .post-category-badge {
        font-size: 10px;
        padding: 5px 12px;
        top: 10px;
        left: 10px;
    }
}

/* カードコンテンツ */
.post-card-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

@media (max-width: 768px) {
    .post-card-content {
        padding: 16px;
    }
}

.post-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0 0 12px 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 768px) {
    .post-card-title {
        font-size: 15px;
        margin-bottom: 10px;
    }
}

.post-card-title a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

.post-card-title a:hover {
    color: var(--primary-turquoise);
}

/* メタ情報 */
.post-meta {
    margin-bottom: 12px;
}

.post-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-medium);
}

@media (max-width: 768px) {
    .post-date {
        font-size: 11px;
        gap: 4px;
    }
}

.date-icon {
    font-size: 13px;
}

@media (max-width: 768px) {
    .date-icon {
        font-size: 12px;
    }
}

/* 抜粋 */
.post-excerpt {
    font-size: 13px;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 16px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 768px) {
    .post-excerpt {
        font-size: 12px;
        margin-bottom: 14px;
    }
}

/* 続きを読むリンク */
.read-more-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary-turquoise);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: auto;
}

@media (max-width: 768px) {
    .read-more-link {
        font-size: 12px;
        gap: 4px;
    }
}

.read-more-link:hover {
    color: var(--primary-turquoise-hover);
    gap: 10px;
}

.arrow-icon {
    transition: transform 0.3s ease;
}

.read-more-link:hover .arrow-icon {
    transform: translateX(4px);
}

/* 記事なしメッセージ */
.no-posts-message {
    text-align: center;
    padding: 60px 20px;
    font-size: 15px;
    color: var(--text-medium);
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

@media (max-width: 768px) {
    .no-posts-message {
        padding: 48px 16px;
        font-size: 14px;
        border-radius: 12px;
    }
}

/* =============================================
   都道府県検索セクション
   ============================================= */
.prefecture-regions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (max-width: 768px) {
    .prefecture-regions {
        gap: 28px;
    }
}

/* 地域ブロック */
.region-block {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 28px 32px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.3s ease;
}

@media (max-width: 768px) {
    .region-block {
        padding: 24px 20px;
        border-radius: 12px;
    }
}

.region-block:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.region-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0 0 20px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--primary-turquoise);
}

@media (max-width: 768px) {
    .region-title {
        font-size: 19px;
        margin-bottom: 16px;
        padding-bottom: 14px;
        gap: 8px;
    }
}

.region-icon {
    font-size: 24px;
}

@media (max-width: 768px) {
    .region-icon {
        font-size: 20px;
    }
}

/* 都道府県リスト */
.prefecture-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    list-style: none;
    padding: 0;
    margin: 0;
}

@media (max-width: 768px) {
    .prefecture-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .prefecture-list {
        grid-template-columns: 1fr;
    }
}

.prefecture-item {
    background: var(--bg-soft);
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

@media (max-width: 768px) {
    .prefecture-item {
        border-radius: 8px;
    }
}

.prefecture-item:hover {
    background: var(--primary-turquoise-light);
    border-color: var(--primary-turquoise);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(25, 191, 191, 0.15);
}

.prefecture-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s ease;
}

@media (max-width: 768px) {
    .prefecture-link {
        padding: 12px 16px;
        font-size: 14px;
    }
}

.prefecture-item:hover .prefecture-link {
    color: var(--primary-turquoise);
}

.prefecture-name {
    font-weight: 600;
}

.prefecture-count {
    color: var(--text-light);
    font-size: 13px;
    font-weight: 500;
}

@media (max-width: 768px) {
    .prefecture-count {
        font-size: 12px;
    }
}

.prefecture-item:hover .prefecture-count {
    color: var(--primary-turquoise);
}

/* 都道府県なしメッセージ */
.no-prefectures-message {
    text-align: center;
    padding: 60px 20px;
    font-size: 15px;
    color: var(--text-medium);
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

@media (max-width: 768px) {
    .no-prefectures-message {
        padding: 48px 16px;
        font-size: 14px;
        border-radius: 12px;
    }
}

/* =============================================
   CTAセクション
   ============================================= */
.cta-section {
    margin-bottom: 0;
    padding: 60px 40px;
    background: linear-gradient(135deg, var(--primary-turquoise-light) 0%, var(--primary-turquoise-soft) 100%);
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(25, 191, 191, 0.15);
}

@media (max-width: 768px) {
    .cta-section {
        padding: 48px 32px;
        border-radius: 16px;
    }
}

.cta-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 16px 0;
    line-height: 1.4;
}

@media (max-width: 768px) {
    .cta-title {
        font-size: 26px;
        margin-bottom: 14px;
    }
}

.cta-description {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.8;
    margin: 0 0 32px 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 768px) {
    .cta-description {
        font-size: 14px;
        margin-bottom: 28px;
    }
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .cta-buttons {
        gap: 12px;
    }
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 36px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    letter-spacing: 0.03em;
}

@media (max-width: 768px) {
    .btn-cta {
        padding: 14px 32px;
        font-size: 15px;
        gap: 6px;
        border-radius: 8px;
    }
}

.btn-icon {
    font-size: 20px;
}

@media (max-width: 768px) {
    .btn-icon {
        font-size: 18px;
    }
}

.btn-primary {
    background: var(--primary-turquoise);
    color: white;
    box-shadow: 0 4px 12px rgba(25, 191, 191, 0.3);
}

.btn-primary:hover {
    background: var(--primary-turquoise-hover);
    box-shadow: 0 6px 16px rgba(25, 191, 191, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: white;
    color: var(--primary-turquoise);
    border: 2px solid var(--primary-turquoise);
}

.btn-secondary:hover {
    background: var(--primary-turquoise);
    color: white;
    transform: translateY(-2px);
}

/* =============================================
   アニメーション
   ============================================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.post-card,
.region-block {
    animation: fadeInUp 0.5s ease;
}

/* =============================================
   レスポンシブ対応の微調整
   ============================================= */
@media (max-width: 480px) {
    .hero-title {
        font-size: 24px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .section-title {
        font-size: 22px;
    }
    
    .cta-title {
        font-size: 22px;
    }
}

/* =============================================
   印刷用スタイル
   ============================================= */
@media print {
    .front-page-wrapper {
        max-width: 100%;
        padding: 0;
    }
    
    .hero-section,
    .cta-section {
        display: none;
    }
    
    .post-card,
    .region-block {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}