/* RSWork株式会社 - スタイルシート */

/* プレースホルダー画像スタイル */
.placeholder-logo {
    background-color: var(--primary-color);
    color: white;
    font-weight: bold;
    text-align: center;
    width: 120px;
    height: 60px;
    line-height: 60px;
    border-radius: 4px;
}

.placeholder-hero {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
}

/* 基本設定 */
:root {
    --primary-color: #1a5276; /* 深い青 - 信頼感のある企業色 */
    --secondary-color: #2e86c1; /* 明るい青 - アクセント */
    --accent-color: #f39c12; /* オレンジ - 注目ポイント */
    --light-bg: #ecf0f1; /* 明るい背景色 */
    --dark-bg: #2c3e50; /* 暗い背景色 */
    --text-color: #333; /* 標準テキスト色 */
    --light-text: #fff; /* 明るいテキスト色 */
    --border-color: #ddd; /* 境界線の色 */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #f8f9fa;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s;
}

a:hover {
    color: var(--secondary-color);
}

/* 共通のコンテナ */
.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1rem;
    display: flex;
    gap: 2rem;
    box-sizing: border-box;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 0.7rem 1.5rem;
    border-radius: 4px;
    font-weight: bold;
    transition: background-color 0.3s, transform 0.2s;
}

.btn:hover {
    background-color: var(--secondary-color);
    color: var(--light-text);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    border-bottom: 3px solid var(--accent-color);
    padding-bottom: 0.5rem;
    display: inline-block;
}

.more-link {
    display: inline-block;
    color: var(--secondary-color);
    font-weight: bold;
    margin-top: 0.5rem;
}

.more-link:hover {
    color: var(--primary-color);
}

/* ヘッダー */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    position: relative;
    z-index: 100; /* 他の要素より前面に表示 */
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 280px; /* ロゴと会社名の最小幅を設定 */
}

.logo {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.logo-container h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    white-space: nowrap; /* 会社名が改行されないようにする */
}

.contact-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.business-hours, .phone-number {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.phone-number a {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* ナビゲーション */
nav {
    background-color: var(--primary-color);
    width: 100%;
}

nav ul {
    display: flex;
    list-style: none;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    flex-wrap: wrap;
}

nav ul li {
    margin: 0;
    flex: 1;
    text-align: center;
    max-width: 200px;
}

nav ul li a {
    display: block;
    color: var(--light-text);
    padding: 1rem 0.5rem;
    font-weight: 500;
    transition: background-color 0.3s;
    white-space: nowrap;
}

nav ul li a:hover, nav ul li a.active {
    background-color: var(--secondary-color);
    color: var(--light-text);
}

/* ハンバーガーメニュー */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    cursor: pointer;
    z-index: 200;
    padding: 5px;
    margin-right: 5px;
    border-radius: 4px;
    transition: background-color 0.3s;
    background-color: var(--primary-color);
}

.hamburger-menu:hover {
    background-color: var(--secondary-color);
}

.hamburger-menu span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: #fff;
    border-radius: 3px;
    transition: all 0.3s ease;
    margin: 2px 0;
}

/* ヒーロースライダー */
.hero-slider {
    position: relative;
    height: 500px;
    overflow: hidden;
    width: 100%;
    z-index: 10; /* ヘッダーより下に表示 */
}

.slides {
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-color: #000;
}

.slide.active {
    opacity: 1;
    z-index: 1; /* アクティブなスライドを前面に表示 */
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    max-width: 600px;
    color: var(--light-text);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.slide-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.slide-content p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.slider-controls {
    position: absolute;
    bottom: 2rem;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.prev, .next {
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--light-text);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: background-color 0.3s;
}

.prev:hover, .next:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

.indicators {
    display: flex;
    gap: 0.5rem;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color 0.3s;
}

.indicator.active {
    background-color: var(--light-text);
}

/* メインコンテンツ領域 */
.main-content {
    flex: 1;
    min-width: 0; /* Flexbox内の子要素の幅が親要素を超えないようにする */
}

/* サイドバー */
.sidebar {
    width: 300px;
    flex-shrink: 0; /* サイドバーの幅を維持 */
}

/* 新着情報 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.news-item {
    display: flex;
    gap: 1rem;
    background-color: #fff;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 1.5rem;
}

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

.news-date {
    width: 120px;
    color: var(--primary-color);
    font-weight: bold;
    white-space: nowrap; /* 日付が改行されないようにする */
}

.news-content {
    flex: 1;
}

.news-content h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.news-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--dark-text);
}

.news-image {
    margin-top: 1rem;
    width: 100%;
}

.news-image img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.news-item.important {
    background-color: rgba(232, 108, 31, 0.05);
    border-left: 3px solid var(--accent-color);
}

.error-message {
    background-color: #fff3f3;
    border-left: 3px solid #e74c3c;
    padding: 1rem;
    border-radius: 0 4px 4px 0;
}

/* サイドバー */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.price-banner {
    background-color: var(--light-bg);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    text-align: center;
    border-left: 4px solid var(--accent-color);
}

.price-banner h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.price-banner .btn:hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 6px 12px rgba(0,0,0,0.3) !important;
    background-color: var(--accent-color) !important;
}

.price-banner #today-date {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 4px;
    font-weight: bold;
    margin: 0.5rem 0;
}

.price-banner p {
    margin-bottom: 1.5rem;
}

.sidebar-widget {
    background-color: #fff;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.sidebar-widget h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.material-list {
    list-style: none;
    margin-bottom: 1rem;
}

.material-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.material-list li i {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

/* フッター */
footer {
    background-color: var(--dark-bg);
    color: var(--light-text);
    padding-top: 3rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem 2rem;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-info {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.footer-logo {
    height: 80px;
    width: auto;
}

.company-details h3 {
    margin-bottom: 1rem;
}

/* フッター内の電話番号リンクを見やすく */
footer address a[href^="tel:"] {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

footer address a[href^="tel:"]:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.footer-nav {
    display: flex;
    gap: 2rem;
}

.footer-nav-column h4 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.footer-nav-column ul {
    list-style: none;
}

.footer-nav-column ul li {
    margin-bottom: 0.5rem;
}

.footer-nav-column ul li a {
    color: var(--light-text);
}

.footer-nav-column ul li a:hover {
    color: var(--accent-color);
}

.copyright {
    background-color: rgba(0, 0, 0, 0.2);
    text-align: center;
    padding: 1.5rem;
    margin-top: 2rem;
}

/* モバイル用買取価格表示 */
.mobile-price-section {
    display: none;
}

/* 基本的にはニュース情報も買取価格バナーも表示 */
.news {
    display: block;
}

.sidebar .price-banner {
    display: block;
}

/* レスポンシブデザイン */
@media (max-width: 992px) {
    .container {
        flex-direction: column;
        padding: 1.5rem 1rem;
    }
    
    .sidebar {
        width: 100%;
        margin-top: 2rem;
    }
    
    .header-top {
        flex-direction: row;
        padding: 1rem;
        flex-wrap: wrap;
    }
    
    .contact-info {
        margin-top: 0;
    }
    
    nav ul {
        flex-wrap: wrap;
    }
    
    .hero-slider {
        height: 400px;
    }
    
    .slide-content {
        left: 5%;
        max-width: 90%;
    }
    
    .slide-content h2 {
        font-size: 2rem;
    }
    
    .footer-container {
        flex-direction: column;
    }
    
    .footer-info {
        flex-direction: column;
        align-items: flex-start;
    }
    
    /* セクション順序の調整 */
    .main-content {
        order: 2;
    }
    
    .sidebar {
        order: 3;
    }
    
    .mobile-price-section {
        order: 1;
    }
}

@media (max-width: 768px) {
    /* ハンバーガーメニュー表示 */
    .hamburger-menu {
        display: flex;
        margin-left: auto;
        width: 35px;
        height: 24px;
        padding: 5px;
        border-radius: 4px;
    }
    
    /* ナビゲーションを非表示に */
    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: rgba(26, 82, 118, 0.95);
        flex-direction: column;
        align-items: center;
        z-index: 100;
        padding: 0;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
        transform: translateY(-10px);
        opacity: 0;
        transition: transform 0.3s ease, opacity 0.3s ease;
        max-height: 80vh;
        overflow-y: auto;
    }
    
    /* ハンバーガーメニューがアクティブなときのナビゲーション */
    nav ul.active {
        display: flex;
        transform: translateY(0);
        opacity: 1;
    }
    
    nav ul li {
        width: 100%;
        margin: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    nav ul li:last-child {
        border-bottom: none;
    }
    
    nav ul li a {
        text-align: center;
        padding: 1rem;
        width: 100%;
        font-size: 1.1rem;
    }
    
    nav ul li a:hover {
        background-color: var(--secondary-color);
    }
    
    /* ハンバーガーメニューがアクティブなときのスタイル */
    .hamburger-menu.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
        background-color: #fff;
    }
    
    .hamburger-menu.active span:nth-child(2) {
        opacity: 0;
        background-color: #fff;
    }
    
    .hamburger-menu.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
        background-color: #fff;
    }
    
    .news-item {
        flex-direction: column;
    }
    
    .hero-slider {
        height: 400px;
    }
    
    .slide-content h2 {
        font-size: 1.8rem;
    }
    
    .slide-content p {
        font-size: 1rem;
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 0;
    }
    
    .footer-nav-column {
        margin-bottom: 1rem;
    }
    
    .footer-nav-column h4 {
        margin-bottom: 0.5rem;
    }
    
    .footer-nav-column:nth-child(2) h4 {
        display: none;
    }
    
    .footer-nav-column ul {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .footer-nav-column ul li {
        margin-bottom: 0;
    }
    
    .news-date {
        width: auto;
        margin-bottom: 0.5rem;
        white-space: nowrap;
        display: inline-block;
        background-color: var(--light-bg);
        padding: 0.2rem 0.5rem;
        border-radius: 4px;
    }
    
    /* モバイル向け買取価格表示 */
    .mobile-price-section {
        display: block;
        padding: 1.5rem 1rem;
        background-color: var(--light-bg);
        text-align: center;
        margin-bottom: 1rem;
    }
    
    .mobile-price-section h2 {
        color: var(--primary-color);
        margin-bottom: 0.5rem;
        font-size: 1.5rem;
    }
    
    /* スマホ表示ではサイドバーの価格バナーを非表示 */
    .sidebar .price-banner {
        display: none;
    }
}

@media (max-width: 576px) {
    .logo-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .logo-container h1 {
        font-size: 1.2rem;
    }
    
    .header-top {
        flex-direction: column;
        gap: 1rem;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 0.5rem;
        align-items: center;
    }
    
    .hero-slider {
        height: 400px;
    }
}

/* LINE固定バナー */
.line-fixed-banner {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #06C755;
    color: white;
    padding: 12px 20px;
    border-radius: 50px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    z-index: 1000;
    transition: transform 0.3s, box-shadow 0.3s;
}

.line-fixed-banner:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.line-fixed-banner img {
    margin-left: 10px;
}

.line-fixed-banner-text {
    font-weight: bold;
    margin-right: 5px;
}

@media (max-width: 576px) {
    .line-fixed-banner {
        bottom: 10px;
        right: 10px;
        padding: 8px 15px;
    }
    
    .line-fixed-banner-text {
        display: none;
    }
    
    .line-fixed-banner img {
        margin-left: 0;
    }
}

/* ========================================================
   ブログページ用スタイル
   ======================================================== */

/* パンくずナビ */
.breadcrumb {
    background-color: var(--light-bg);
    padding: 1rem 0;
}

.breadcrumb-list {
    list-style: none;
    display: flex;
    gap: 1rem;
    margin: 0;
    padding: 0;
}

.breadcrumb-list li::after {
    content: '›';
    margin-left: 1rem;
    color: #999;
}

.breadcrumb-list li:last-child::after {
    content: '';
}

.breadcrumb-list a {
    color: var(--primary-color);
    text-decoration: none;
}

/* ページヘッダー */
.page-header {
    background-color: var(--primary-color);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.page-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* ブログ記事カード */
.blog-list {
    padding: 3rem 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.blog-card.featured {
    grid-column: span 2;
}

.blog-card-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.blog-card.featured .blog-card-image {
    height: 300px;
}

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

.featured-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-weight: bold;
}

.coming-soon-placeholder {
    background-color: var(--light-bg);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #999;
}

.coming-soon-placeholder i {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.blog-card-content {
    padding: 1.5rem;
}

.blog-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #666;
}

.category {
    background-color: var(--light-bg);
    padding: 0.2rem 0.8rem;
    border-radius: 4px;
}

.blog-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.blog-title a {
    color: var(--text-color);
    text-decoration: none;
}

.blog-title a:hover {
    color: var(--primary-color);
}

.blog-excerpt {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    background-color: var(--light-bg);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary-color);
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.read-more:hover {
    color: var(--secondary-color);
}

/* カテゴリー別セクション */
.blog-categories {
    margin-top: 3rem;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.category-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.category-card:hover {
    transform: translateY(-5px);
}

.category-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.article-count {
    color: var(--accent-color);
    font-weight: bold;
}

/* ブログCTA */
.blog-cta {
    background-color: var(--light-bg);
    padding: 3rem 0;
    text-align: center;
    margin-top: 3rem;
}

.cta-content h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* 記事ページスタイル */
.article-header {
    margin-bottom: 3rem;
}

.article-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.article-meta {
    display: flex;
    gap: 1.5rem;
    color: #666;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-intro {
    font-size: 1.2rem;
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 3rem;
}

.content-section {
    margin-bottom: 3rem;
}

.content-section h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid var(--accent-color);
}

.content-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* 金属タイプカード */
.metal-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.metal-type-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.metal-type-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.metal-type-card ul {
    list-style: none;
    margin-bottom: 1rem;
}

.metal-type-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.metal-type-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.price-info {
    background-color: var(--accent-color);
    color: white;
    padding: 0.8rem;
    border-radius: 4px;
    text-align: center;
    font-weight: bold;
}

/* Tips リスト */
.tips-list {
    margin: 2rem 0;
}

.tip-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.tip-number {
    background-color: var(--primary-color);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.tip-content h3 {
    margin-bottom: 0.5rem;
}

/* 事例紹介 */
.case-studies {
    display: grid;
    gap: 2rem;
    margin: 2rem 0;
}

.case-study {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
}

.case-comment {
    font-style: italic;
    color: var(--primary-color);
    margin-top: 1rem;
}

/* FAQ */
.faq-list {
    margin: 2rem 0;
}

.faq-item {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* CTA セクション */
.cta-section {
    background-color: var(--light-bg);
    padding: 3rem;
    border-radius: 8px;
    text-align: center;
}

/* ボタンスタイル */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
}

.btn-secondary {
    background-color: var(--accent-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #e67e22;
}

/* ブログ用フッター */
.footer {
    background-color: var(--dark-bg);
    color: white;
    padding: 3rem 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    margin-bottom: 1rem;
}

.footer-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.footer-nav ul {
    list-style: none;
}

.footer-nav li {
    margin-bottom: 0.5rem;
}

.footer-nav a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-nav a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.7;
}

/* レスポンシブ */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--primary-color);
        flex-direction: column;
        padding: 1rem 0;
    }
    
    .nav-list.active {
        display: flex;
    }
    
    .blog-card.featured {
        grid-column: span 1;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .article-title {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .metal-types {
        grid-template-columns: 1fr;
    }
}