/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基本設定 */
body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 300;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ボタン */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
    cursor: pointer;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: #0066cc;
    color: white;
}

.btn-primary:hover {
    background: #0052a3;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #333;
}

/* セクション共通 */
section {
    padding: 100px 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    text-align: center;
    margin-bottom: 60px;
    color: #333;
    letter-spacing: 1px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: #0066cc;
    margin: 20px auto 0;
}

/* ヘッダー */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    text-decoration: none;
    color: #333;
    display: flex;
    flex-direction: column;
}

.logo h1 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin: 0;
    line-height: 1.2;
}

.logo span {
    font-size: 11px;
    font-weight: 300;
    color: #666;
    margin-top: 2px;
    letter-spacing: 0.3px;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 40px;
}

.nav-menu li a {
    text-decoration: none;
    color: #333;
    font-weight: 400;
    font-size: 14px;
    transition: color 0.3s ease;
    letter-spacing: 0.3px;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: #0066cc;
}

.contact-info {
    display: flex;
    align-items: center;
    font-size: 13px;
    color: #666;
}

.contact-info i {
    margin-right: 5px;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: #333;
    transition: 0.3s;
}

/* ヒーローセクション */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), 
                url('../images/main.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 30px;
    letter-spacing: 1px;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    font-weight: 300;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-features {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 40px;
    opacity: 0.9;
}

.feature-card {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 10px;
    min-width: 180px;
}

.feature-card i {
    font-size: 24px;
    margin-bottom: 10px;
    color: #fff;
}

.feature-card h3 {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 5px;
}

.feature-card p {
    font-size: 12px;
    opacity: 0.8;
}

/* 強み */
.strengths {
    background: #f8f9fa;
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.strength-item {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.strength-item:hover {
    transform: translateY(-5px);
}

.strength-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #0066cc, #0052a3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.strength-icon i {
    font-size: 28px;
    color: white;
}

.strength-item h3 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 15px;
    color: #333;
}

.strength-item p {
    color: #666;
    line-height: 1.7;
}

/* 会社概要 */
.about {
    padding: 80px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 20px;
    color: #333;
}

.about-description {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 30px;
}

.company-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #666;
}

.info-item i {
    color: #0066cc;
    width: 20px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background: linear-gradient(135deg, #0066cc, #0052a3);
    color: white;
    border-radius: 10px;
}

.stat-number {
    display: block;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
}

/* サービス */
.services {
    background: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-card i {
    font-size: 40px;
    color: #0066cc;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 15px;
    color: #333;
}

.service-card p {
    color: #666;
    line-height: 1.7;
}

/* 材質 */
.materials {
    padding: 80px 0;
}

.materials-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.material-category {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.material-category h3 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 20px;
    color: #333;
    display: flex;
    align-items: center;
    gap: 10px;
}

.material-category i {
    color: #0066cc;
}

.material-category ul {
    list-style: none;
}

.material-category li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    color: #666;
}

.material-category li:before {
    content: '▸';
    color: #0066cc;
    margin-right: 10px;
}

/* 設備 */
.equipment {
    background: #f8f9fa;
}

.equipment-categories {
    margin-top: 60px;
}

.equipment-category {
    margin-bottom: 50px;
}

.equipment-category h3 {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 30px;
    color: #333;
    border-left: 4px solid #0066cc;
    padding-left: 20px;
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.equipment-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    position: relative;
}

.equipment-card.featured {
    border: 2px solid #0066cc;
    transform: scale(1.02);
}

.equipment-card h4 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 10px;
    color: #333;
}

.equipment-card p {
    color: #666;
    margin-bottom: 10px;
}

.year {
    font-size: 12px;
    color: #999;
}

.feature-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: #0066cc;
    color: white;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

.equipment-features {
    margin-top: 15px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.feature {
    background: #f0f8ff;
    color: #0066cc;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 11px;
}

/* 実績 */
.achievements {
    padding: 80px 0;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.achievement-item {
    text-align: center;
    padding: 40px 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.achievement-item i {
    font-size: 50px;
    color: #0066cc;
    margin-bottom: 20px;
}

.achievement-item h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 15px;
    color: #333;
}

/* お問い合わせ */
.contact {
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-info h3 {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 20px;
    color: #333;
}

.contact-details {
    padding: 80px 0;
    background: white;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-item i {
    color: #0066cc;
    font-size: 18px;
    margin-top: 5px;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #eee;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #0066cc;
}

/* お問い合わせページ専用スタイル */
.contact-intro {
    padding: 60px 0;
    background: white;
}

.intro-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.intro-content h2 {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 20px;
    color: #333;
}

.intro-text {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 40px;
}

.contact-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.highlight-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
}

.highlight-item i {
    font-size: 28px;
    color: #0066cc;
    margin-bottom: 10px;
}

.highlight-item span {
    font-weight: 500;
    color: #333;
}

.contact-form-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.form-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.form-notes {
    background: white;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.form-notes h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 18px;
    font-weight: 500;
}

.form-notes ul {
    list-style: none;
    padding: 0;
}

.form-notes li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.form-notes li:before {
    content: '・';
    color: #0066cc;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.form-notes li:last-child {
    border-bottom: none;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-grid .form-group {
    margin-bottom: 20px;
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    font-weight: normal;
    margin-bottom: 0;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-right: 8px;
    transform: scale(1.2);
}

.form-submit {
    text-align: center;
    margin-top: 30px;
}

.submit-note {
    font-size: 14px;
    color: #666;
    margin-top: 10px;
}

.contact-details-section {
    padding: 80px 0;
    background: white;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.contact-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border-left: 4px solid #0066cc;
}

.contact-card h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-card h3 i {
    color: #0066cc;
    font-size: 20px;
}

.info-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 10px;
}

.info-content .note {
    font-size: 14px;
    color: #999;
    font-style: italic;
}

.access-list {
    list-style: none;
    padding: 0;
}

.access-list li {
    padding: 8px 0;
    color: #666;
    display: flex;
    align-items: center;
    gap: 10px;
}

.access-list i {
    color: #0066cc;
    width: 20px;
}

.contact-actions {
    margin-top: 20px;
}

.faq-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.faq-intro {
    text-align: center;
    margin-bottom: 40px;
}

.faq-preview {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 20px;
}

.faq-item {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.faq-item h4 {
    color: #333;
    margin-bottom: 10px;
    font-size: 16px;
    font-weight: 500;
}

.faq-item p {
    color: #666;
    line-height: 1.6;
}

.faq-link {
    text-align: center;
    margin-top: 30px;
}

/* フッター */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    font-weight: 500;
    margin-bottom: 20px;
    color: #fff;
}

.footer-section h5 {
    font-weight: 500;
    margin: 20px 0 10px 0;
    color: #fff;
    font-size: 14px;
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.7;
    margin-bottom: 10px;
}

.footer-section.company-info p {
    margin-bottom: 20px;
}

.footer-contact {
    margin-top: 20px;
}

.footer-contact .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-contact .contact-item i {
    color: #3498db;
    font-size: 16px;
    margin-top: 3px;
    width: 20px;
}

.footer-contact .contact-item div p {
    margin: 0;
    line-height: 1.4;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 14px;
}

.footer-section ul li a:hover {
    color: #3498db;
}

.footer-materials {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-materials p {
    font-size: 13px;
    line-height: 1.5;
    opacity: 0.7;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom-content p {
    margin: 0;
    opacity: 0.6;
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #3498db;
}

/* ページヘッダー */
.page-header {
    background: linear-gradient(135deg, #0066cc, #0052a3);
    color: white;
    padding: 120px 0 60px;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 20px;
}

.breadcrumb {
    opacity: 0.8;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: white;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 20px;
    }
    
    .feature-card {
        min-width: auto;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .services-grid,
    .equipment-grid {
        grid-template-columns: 1fr;
    }
    
    .materials-content {
        grid-template-columns: 1fr;
    }
    
    .nav-container {
        padding: 10px 20px;
    }
    
    .logo h1 {
        font-size: 16px;
    }
    
    .logo span {
        font-size: 10px;
    }
    
    .contact-info {
        display: none;
    }
    
    .contact-highlights {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .intro-content h2 {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-section.company-info {
        order: -1;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .contact-highlights {
        grid-template-columns: 1fr;
    }
    
    .contact-intro {
        padding: 40px 0;
    }
    
    .contact-form-section {
        padding: 60px 0;
    }
    
    .contact-details {
        padding: 60px 0;
    }
    
    .faq-section {
        padding: 60px 0;
    }
}

/* スムーススクロール */
html {
    scroll-behavior: smooth;
}

/* アニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}