/* CSS Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Variables */
    --primary-color: #1e40af;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --text-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-light: #e5e7eb;
    --success-color: #10b981;
    --error-color: #ef4444;
    
    /* Typography */
    --font-primary: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Spacing */
    --section-padding: 80px 0;
    --container-padding: 0 20px;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --box-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--bg-white);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    transition: var(--transition);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-secondary);
    margin-bottom: 0.25rem;
}

.logo-image {
    height: 45px;
    width: auto;
}

.logo-subtitle {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 400;
}

.nav-list {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2rem;
}

.nav-list a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
}

.nav-list a:hover {
    color: var(--primary-color);
}

.nav-list .btn-primary {
    color: #FFFFFF !important;
}

.nav-list .btn-primary:hover {
    color: #FFFFFF !important;
}

.nav-special {
    color: var(--accent-color) !important;
    font-weight: 600 !important;
}

.nav-special:hover {
    color: #d97706 !important;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: var(--transition);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
}

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

.btn-secondary:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
}

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

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

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

.btn-accent:hover {
    background-color: #d97706;
    transform: translateY(-2px);
}

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

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--bg-light) 0%, #e0e7ff 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.highlight {
    color: var(--primary-color);
    position: relative;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-placeholder {
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-white);
    border-radius: 20px;
    width: 400px;
    height: 300px;
    box-shadow: var(--box-shadow-lg);
}

/* Section Styling */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    padding: var(--section-padding);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-lg);
}

.service-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
    color: var(--text-white);
    font-size: 1.5rem;
}

.service-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.service-link:hover {
    gap: 1rem;
}

/* Strengths Section */
.strengths {
    padding: var(--section-padding);
    background-color: var(--bg-light);
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.strength-item {
    text-align: center;
    padding: 2rem;
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.strength-icon {
    width: 80px;
    height: 80px;
    background-color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
    color: var(--text-white);
    font-size: 2rem;
}

.strength-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.strength-description {
    color: var(--text-light);
    line-height: 1.6;
}

/* Achievements Section */
.achievements {
    padding: var(--section-padding);
}

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

.achievement-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

.achievement-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-family: var(--font-secondary);
}

.achievement-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.achievement-description {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Revamp CTA Section */
.revamp-cta {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--accent-color) 0%, #f59e0b 100%);
    color: var(--text-white);
}

.cta-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 3rem;
    align-items: center;
}

.cta-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.cta-benefits {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.benefit-item i {
    color: var(--success-color);
    background-color: var(--text-white);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.8rem;
}

.cta-actions {
    text-align: center;
}

.cta-note {
    margin-top: 1rem;
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Company Section */
.company {
    padding: var(--section-padding);
    background-color: var(--bg-light);
}

.company-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.company-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.company-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.company-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.company-item strong {
    color: var(--text-dark);
    font-weight: 600;
}

.company-item span {
    color: var(--text-light);
}

.company-philosophy h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.company-philosophy p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Contact Section */
.contact {
    padding: var(--section-padding);
}

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

.contact-form {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-light);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
}

.contact-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-top: 0.2rem;
}

.contact-item div strong {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-note {
    padding: 1.5rem;
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--accent-color);
}

.contact-note p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

.contact-note a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-note a:hover {
    text-decoration: underline;
}

/* Blog News Section */
.blog-news {
    padding: var(--section-padding);
    background-color: var(--bg-light);
}

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

.blog-card {
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

.blog-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-white);
}

.blog-content {
    padding: 1.5rem;
}

.blog-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.blog-excerpt {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.8rem;
}

.blog-date {
    color: var(--text-light);
}

.blog-category {
    background-color: var(--accent-color);
    color: var(--text-white);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-weight: 500;
}

.blog-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.blog-link:hover {
    gap: 1rem;
}

.blog-more {
    text-align: center;
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: var(--text-white);
    padding: 3rem 0 1rem;
}

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

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-white);
}

.footer-brand p {
    color: var(--text-light);
    opacity: 0.8;
}

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

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-white);
}

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

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

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-section a:hover {
    opacity: 1;
    color: var(--text-white);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-light);
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image-placeholder {
        width: 300px;
        height: 200px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .strengths-grid {
        grid-template-columns: 1fr;
    }
    
    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .company-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    .achievement-number {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}