/* Basic Reset and Typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Hiragino Sans', 'Yu Gothic', 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    font-size: 16px;
}

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

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    body {
        font-size: 14px;
    }
}

/* Header and Navigation */
header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.nav-brand {
    flex-shrink: 0;
}

.logo {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    gap: 2rem;
}

.nav-menu li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    background-color: #ff7f00;
    color: white;
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 15px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        gap: 0;
        padding: 1rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 0.5rem 0;
    }
    
    .nav-menu li a {
        display: block;
        padding: 1rem;
        margin: 0 1rem;
    }
    
    .logo {
        height: 35px;
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #ff7f00 0%, #ff5722 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.hero-content p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .hero {
        padding: 3rem 0;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
        padding: 0 1rem;
    }
}

/* Services Section */
.services-highlight {
    padding: 4rem 0;
    background: white;
}

.services-highlight h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: #333;
}

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

.service-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .services-highlight {
        padding: 3rem 0;
    }
    
    .services-highlight h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
}

/* CTA Section */
.cta-section {
    padding: 4rem 0;
    background: #f8f9fa;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #333;
}

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

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    min-width: 200px;
}

.btn-primary {
    background-color: #ff7f00;
    color: white;
}

.btn-primary:hover {
    background-color: #e6720a;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #545b62;
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .cta-section {
        padding: 3rem 0;
    }
    
    .cta-section h2 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        font-size: 1rem;
        padding: 0.8rem 1.5rem;
    }
}

/* Page Content Styles */
.page-header {
    background: linear-gradient(135deg, #ff7f00 0%, #ff5722 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.page-content {
    padding: 3rem 0;
    background: white;
}

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

.content-section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #333;
    border-bottom: 2px solid #ff7f00;
    padding-bottom: 0.5rem;
}

.content-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.content-section p {
    margin-bottom: 1rem;
    line-height: 1.7;
    color: #555;
}

.content-section ul {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.content-section li {
    margin-bottom: 0.5rem;
    color: #555;
}

@media (max-width: 768px) {
    .page-header {
        padding: 2rem 0;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-content {
        padding: 2rem 0;
    }
    
    .content-section h2 {
        font-size: 1.5rem;
    }
    
    .content-section h3 {
        font-size: 1.3rem;
    }
}

/* Compatibility Search Styles */
.search-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.category-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    user-select: none;
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.2);
    border-color: #ff7f00;
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
}

.category-card:active {
    transform: translateY(-4px);
    transition: all 0.1s ease;
}

/* Under Construction State */
.category-card.under-construction {
    background: #f5f5f5;
    color: #999;
    opacity: 0.6;
    position: relative;
    cursor: not-allowed !important;
}

.category-card.under-construction:hover {
    transform: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border-color: transparent;
    background: #f5f5f5;
}

.category-card.under-construction .category-icon {
    opacity: 0.5;
    filter: grayscale(100%);
}

.category-card.under-construction h3,
.category-card.under-construction p {
    color: #999;
}

.construction-label {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #ff9800;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Update Notice Styles */
.update-notice {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border: 2px solid #2196f3;
    border-radius: 10px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    text-align: left;
}

.update-notice p {
    margin-bottom: 0.5rem;
    color: #1976d2;
}

.update-notice p:last-child {
    margin-bottom: 0;
}

.migration-info {
    background: linear-gradient(135deg, #fff3e0, #ffe0b2);
    border: 2px solid #ff9800;
    border-radius: 10px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.migration-info h3 {
    color: #f57c00;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.migration-info p {
    color: #ef6c00;
    margin-bottom: 0;
    line-height: 1.6;
}

.category-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.category-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.category-card p {
    color: #666;
    margin-bottom: 0;
    line-height: 1.6;
}

.search-form {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin: 2rem 0;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.form-group select,
.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: #ff7f00;
}

.search-results {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin: 2rem 0;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.results-table th,
.results-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

.results-table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #333;
}

@media (max-width: 768px) {
    .search-categories {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin: 2rem 0;
    }
    
    .category-card {
        padding: 1.5rem;
    }
    
    .category-icon {
        font-size: 3rem;
    }
    
    .search-form {
        padding: 1.5rem;
    }
    
    .results-table {
        font-size: 0.9rem;
    }
    
    .results-table th,
    .results-table td {
        padding: 0.5rem;
    }
    
    /* Make table horizontally scrollable on mobile */
    .table-container {
        overflow-x: auto;
    }
}

/* FAQ Styles */
.faq-item {
    background: white;
    margin-bottom: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    background: #f8f9fa;
    cursor: pointer;
    font-weight: 600;
    color: #333;
    border: none;
    width: 100%;
    text-align: left;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background: #e9ecef;
}

.faq-answer {
    padding: 1.5rem;
    color: #555;
    line-height: 1.7;
}

/* Contact Form */
.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    max-width: 600px;
    margin: 2rem auto;
}

.contact-form .form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.contact-info {
    margin-top: 3rem;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.contact-method {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.contact-method h3 {
    color: #ff7f00;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .contact-form {
        padding: 1.5rem;
        margin: 1.5rem 15px;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin: 1.5rem 0;
    }
    
    .contact-method {
        padding: 1rem;
    }
}

/* Footer */
footer {
    background: #333;
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

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

.footer-section h4 {
    margin-bottom: 1rem;
    color: #fff;
    font-size: 1.2rem;
}

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

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

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #ff7f00;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 1rem;
    text-align: center;
    color: #ccc;
}

@media (max-width: 768px) {
    footer {
        padding: 2rem 0 1rem;
        margin-top: 3rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.hidden {
    display: none;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Info Section Styles */
.search-info {
    background: #f8f9fa;
    padding: 3rem 0;
    margin-top: 3rem;
}

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

.info-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.info-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.info-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.info-card p {
    color: #666;
    line-height: 1.6;
}

/* Compatibility Search Styles */
.search-step {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.search-step h2 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    text-align: center;
}

.country-selection {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.country-option {
    background: linear-gradient(145deg, #f8f9fa, #e9ecef);
    border: 2px solid #dee2e6;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.country-option:hover {
    background: linear-gradient(145deg, #e3f2fd, #bbdefb);
    border-color: #2196f3;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(33, 150, 243, 0.2);
}

.country-option h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.country-option p {
    color: #666;
    font-size: 0.9rem;
}

.search-type-selection {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 700px;
    margin: 0 auto;
}

.search-type-option {
    background: linear-gradient(145deg, #f8f9fa, #e9ecef);
    border: 2px solid #dee2e6;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-type-option:hover {
    background: linear-gradient(145deg, #e8f5e8, #c8e6c9);
    border-color: #4caf50;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(76, 175, 80, 0.2);
}

.search-type-option h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.search-type-option p {
    color: #666;
    font-size: 0.9rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    font-weight: 600;
}

.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    font-size: 1rem;
    background: #fff;
    transition: border-color 0.3s ease;
}

.form-group select:focus {
    outline: none;
    border-color: #2196f3;
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.search-results {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    margin-top: 2rem;
}

.search-results h2 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    text-align: center;
}

.results-table {
    overflow-x: auto;
    margin-bottom: 2rem;
}

.results-table table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.results-table th,
.results-table td {
    padding: 0.8rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.results-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #2c3e50;
}

.results-table tr:hover {
    background: #f8f9fa;
}

.status-yes {
    color: #4caf50;
    font-weight: 600;
}

.status-no {
    color: #f44336;
    font-weight: 600;
}

.status-unknown {
    color: #ff9800;
    font-weight: 600;
}

.status-partial {
    color: #ff9800;
    font-weight: 600;
}

.results-notes {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #2196f3;
}

.results-notes h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

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

.results-notes li {
    margin-bottom: 0.5rem;
    color: #666;
}

.loading {
    text-align: center;
    padding: 2rem;
    color: #666;
    font-style: italic;
}

.error {
    text-align: center;
    padding: 2rem;
    color: #f44336;
    background: #ffebee;
    border-radius: 8px;
    border: 1px solid #ffcdd2;
}

.no-results {
    text-align: center;
    padding: 2rem;
    color: #666;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

@media (max-width: 768px) {
    .search-info {
        padding: 2rem 0;
        margin-top: 2rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 1.5rem;
    }
    
    .info-card {
        padding: 1.5rem;
    }
    
    .country-selection,
    .search-type-selection {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .country-option,
    .search-type-option {
        padding: 1.5rem;
    }
    
    .search-step {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .results-table {
        font-size: 0.9rem;
    }
    
    .results-table th,
    .results-table td {
        padding: 0.6rem;
    }
}