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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

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

.nav-brand .logo {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    margin: 0;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 2px solid transparent;
}

.nav-link:hover {
    color: #667eea;
    border-color: #667eea;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #5a6c7d;
    line-height: 1.8;
}

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

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

.btn-disabled {
    background: #e0e0e0;
    color: #999;
    cursor: not-allowed;
}

.btn-disabled:hover {
    transform: none;
    box-shadow: none;
}

.hero-image {
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Philosophy Section */
.philosophy {
    padding: 80px 0;
    background: #f7f9fc;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #5a6c7d;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.philosophy-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

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

.card-icon {
    margin-bottom: 1.5rem;
}

.icon-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 2rem;
    font-weight: 700;
    color: white;
}

.icon-circle.keep {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.icon-circle.make {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.icon-circle.naturalize {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.philosophy-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.philosophy-card h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #667eea;
}

.philosophy-card p {
    color: #5a6c7d;
    font-size: 0.95rem;
    line-height: 1.6;
}

.philosophy-image {
    text-align: center;
}

.philosophy-image img {
    max-width: 600px;
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Projects Section */
.projects {
    padding: 80px 0;
    background: white;
}

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

.project-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    position: relative;
}

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

.project-card.disabled {
    opacity: 0.7;
}

.project-card.disabled:hover {
    transform: none;
}

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

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

.status-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-badge.preparing {
    background: rgba(108, 117, 125, 0.9);
    color: white;
}

.status-badge.active {
    background: rgba(40, 167, 69, 0.9);
    color: white;
}

.card-content {
    padding: 1.5rem;
}

.card-tag {
    display: inline-block;
    padding: 4px 12px;
    background: #667eea;
    color: white;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

.card-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.card-content p {
    color: #5a6c7d;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.card-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.card-link:hover {
    color: #764ba2;
}

/* Community Section */
.community {
    padding: 80px 0;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
}

.community-content {
    text-align: center;
}

.community .section-title {
    color: white;
    margin-bottom: 2rem;
}

.community-description {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.community-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.feature-icon {
    font-size: 1.5rem;
}

.community-button-container {
    text-align: center;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: #f7f9fc;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.contact-info p {
    color: #5a6c7d;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-methods {
    margin-bottom: 2rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 12px;
    transition: background-color 0.3s ease;
}

.contact-method.active {
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.contact-method.disabled {
    background: rgba(108, 117, 125, 0.1);
    color: #6c757d;
    opacity: 0.7;
}

.method-icon {
    font-size: 1.5rem;
}

.direct-contact {
    padding: 1rem;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.direct-contact a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

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

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

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

.required {
    color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: 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;
    margin-bottom: 1rem;
    color: #667eea;
}

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

.footer-section h4 {
    margin-bottom: 1rem;
    color: #667eea;
}

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

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

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

/* Success/Error Messages */
.success-message {
    background: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #c3e6cb;
    margin-bottom: 1rem;
    display: none;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #f5c6cb;
    margin-bottom: 1rem;
    display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: white;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: left 0.3s ease;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .community-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

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

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .philosophy-card,
    .project-card {
        margin: 0 10px;
    }
}

/* Loading Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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


/* Representative Section */
.representative {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.representative-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.representative-image {
    margin-bottom: 30px;
}

.representative-photo {
    width: 140px;
    height: 140px;
    object-fit: cover;
    border-radius: 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.representative-name {
    font-size: 1.8rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 20px;
}

.representative-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    max-width: 500px;
}

@media (max-width: 768px) {
    .representative {
        padding: 60px 0;
    }
    
    .representative-photo {
        width: 120px;
        height: 120px;
    }
    
    .representative-name {
        font-size: 1.5rem;
    }
    
    .representative-description {
        font-size: 1rem;
    }
}