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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --border-color: #ddd;
    --hover-color: #2980b9;
    --success-color: #27ae60;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
}

body {
    font-family: 'Hiragino Sans', 'Yu Gothic', 'Meiryo', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

.site-header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo-img {
    height: 60px;
    width: auto;
}

.main-navigation ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.main-navigation a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.hero-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 4rem 2rem;
    text-align: center;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #c0392b;
}

.main-content {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 20px;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
}

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

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.post-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

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

.post-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.post-content {
    padding: 1.5rem;
}

.post-content h3 {
    margin-bottom: 1rem;
}

.post-content h3 a {
    color: var(--primary-color);
    text-decoration: none;
}

.post-content h3 a:hover {
    color: var(--secondary-color);
}

.post-excerpt {
    color: #666;
    margin-bottom: 1rem;
}

.read-more {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
}

.sidebar {
    grid-column: 2;
}

.widget {
    background: var(--white);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.widget-title {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
}

.widget-content blockquote {
    font-style: italic;
    border-left: 4px solid var(--secondary-color);
    padding-left: 1rem;
    margin: 1rem 0;
}

.widget-content cite {
    display: block;
    text-align: right;
    margin-top: 0.5rem;
    color: #666;
}

.site-footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

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

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

.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 2rem;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
    z-index: 2000;
    display: none;
}

.cookie-consent.show {
    display: block;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
}

.cookie-content h3 {
    margin-bottom: 1rem;
}

.cookie-content a {
    color: var(--secondary-color);
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.cookie-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: opacity 0.3s;
}

.cookie-btn:hover {
    opacity: 0.9;
}

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

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

.customize-btn {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 3rem 2rem;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

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

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

.about-page, .blog-page, .contact-page, .post-page {
    min-height: 60vh;
}

.company-overview, .mission-section, .contact-info-section {
    padding: 3rem 0;
}

.overview-content, .mission-content {
    max-width: 900px;
    margin: 0 auto;
}

.overview-content h2, .mission-content h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.overview-content p, .mission-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.team-section {
    padding: 3rem 0;
    background-color: var(--light-bg);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.team-member {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    text-align: center;
    padding-bottom: 1.5rem;
}

.team-member img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.team-member h3 {
    margin: 1rem 0 0.5rem;
    color: var(--primary-color);
}

.member-role {
    color: var(--secondary-color);
    font-weight: bold;
    margin-bottom: 1rem;
}

.member-bio {
    padding: 0 1.5rem;
    color: #666;
    line-height: 1.6;
}

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

.mission-item {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--secondary-color);
}

.mission-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-details {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 8px;
    line-height: 2;
}

.contact-details a {
    color: var(--secondary-color);
    text-decoration: none;
}

.blog-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 20px;
}

.blog-posts {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.blog-post-item {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 1.5rem;
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-details {
    padding: 1.5rem 1.5rem 1.5rem 0;
}

.post-details h2 {
    margin-bottom: 1rem;
}

.post-details h2 a {
    color: var(--primary-color);
    text-decoration: none;
}

.post-details h2 a:hover {
    color: var(--secondary-color);
}

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

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

.read-article-btn {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.read-article-btn:hover {
    background-color: var(--hover-color);
}

.blog-sidebar {
    grid-column: 2;
}

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

.category-list li {
    margin-bottom: 0.5rem;
}

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

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

.contact-container {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 3rem;
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 20px;
}

.contact-form-section h2, .contact-info-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--primary-color);
}

.required {
    color: var(--accent-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.submit-btn {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

.contact-detail-box {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.contact-detail-box h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-detail-box a {
    color: var(--secondary-color);
    text-decoration: none;
}

.modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    max-width: 500px;
    text-align: center;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 2rem;
    cursor: pointer;
    color: #666;
}

.close-modal:hover {
    color: var(--accent-color);
}

.post-article {
    max-width: 900px;
    margin: 3rem auto;
    padding: 0 20px;
}

.post-header h1 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.post-meta-info {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    color: #666;
}

.post-featured-image {
    margin-bottom: 2rem;
}

.post-featured-image img {
    width: 100%;
    border-radius: 8px;
}

.post-content {
    line-height: 1.8;
}

.post-content h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin: 2rem 0 1rem;
}

.post-content p {
    margin-bottom: 1.5rem;
}

.post-sidebar {
    max-width: 300px;
    margin: 3rem auto;
    padding: 0 20px;
}

.related-list {
    list-style: none;
}

.related-list li {
    margin-bottom: 1rem;
}

.related-list a {
    color: var(--secondary-color);
    text-decoration: none;
}

.related-list a:hover {
    text-decoration: underline;
}

@media (max-width: 968px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }

    .main-navigation ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .content-wrapper,
    .blog-container,
    .contact-container {
        grid-template-columns: 1fr;
    }

    .sidebar,
    .blog-sidebar {
        grid-column: 1;
    }

    .blog-post-item {
        grid-template-columns: 1fr;
    }

    .post-thumbnail img {
        height: 250px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .posts-grid {
        grid-template-columns: 1fr;
    }

    .cookie-buttons {
        flex-direction: column;
    }
}

@media (max-width: 600px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-heading {
        font-size: 1.5rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .post-header h1 {
        font-size: 1.8rem;
    }
}