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

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

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo h2 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(45deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #3b82f6;
}

.lang-toggle {
    background: linear-gradient(45deg, #3b82f6, #8b5cf6);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    transition: transform 0.3s ease;
}

.lang-toggle:hover {
    transform: scale(1.05);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e3a8a 0%, #7c3aed 50%, #1e40af 100%);
    z-index: -1;
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(2px 2px at 20% 30%, white, transparent),
        radial-gradient(2px 2px at 40% 70%, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(1px 1px at 90% 40%, rgba(255, 255, 255, 0.6), transparent);
    background-size: 300px 300px, 400px 400px, 200px 200px;
    animation: float 15s ease-in-out infinite;
}

.dna-helix {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    width: 100px;
    height: 300px;
    opacity: 0.3;
}

.dna-helix::before,
.dna-helix::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom,
            transparent 0%,
            #60a5fa 25%,
            transparent 50%,
            #a855f7 75%,
            transparent 100%);
    border-radius: 2px;
    animation: helix 6s linear infinite;
}

.dna-helix::before {
    left: 20%;
}

.dna-helix::after {
    right: 20%;
    animation-delay: -3s;
}

.hero-content {
    max-width: 800px;
    padding: 0 2rem;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.title-main {
    display: block;
    margin-bottom: 0.5rem;
}

.title-gradient {
    display: block;
    background: linear-gradient(45deg, #60a5fa, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.8;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(45deg, #3b82f6, #8b5cf6);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.4);
}

.arrow {
    transition: transform 0.3s ease;
}

.cta-button:hover .arrow {
    transform: translateX(5px);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    opacity: 0.7;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: white;
    margin: 0.5rem auto;
    position: relative;
    animation: bounce 2s infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -4px;
    width: 10px;
    height: 10px;
    border-right: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(45deg);
}

/* Services Section */
.services {
    padding: 6rem 0;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1e293b;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

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

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.service-card p {
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #3b82f6;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 2px solid #3b82f6;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    margin-top: auto;
}

.service-link:hover {
    background: #3b82f6;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

/* Featured Service Card */
.featured-card {
    position: relative;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 2px solid #3b82f6;
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.15);
    transform: scale(1.02);
}

.featured-card:hover {
    transform: scale(1.04) translateY(-10px);
    box-shadow: 0 30px 80px rgba(59, 130, 246, 0.25);
}

.featured-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: linear-gradient(45deg, #dc2626, #ef4444);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    box-shadow: 0 5px 15px rgba(220, 38, 38, 0.3);
    animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
    padding: 1rem;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-radius: 15px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #3b82f6;
    margin-bottom: 0.2rem;
}

.stat-label {
    font-size: 0.75rem;
    color: #64748b;
    font-weight: 500;
}

.service-highlights {
    margin: 1.5rem 0;
    padding: 1rem;
    background: linear-gradient(135deg, #ecfdf5 0%, #f0fdf4 100%);
    border-radius: 15px;
    border-left: 4px solid #10b981;
}

.highlight-item {
    font-size: 0.9rem;
    color: #065f46;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.highlight-item:last-child {
    margin-bottom: 0;
}

.service-description {
    color: #475569;
    line-height: 1.7;
    margin: 1.5rem 0;
    font-size: 0.95rem;
}

.premium-notice {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    padding: 1rem;
    border-radius: 15px;
    text-align: center;
    margin: 1.5rem 0;
    border: 2px solid #f59e0b;
}

.premium-notice strong {
    color: #92400e;
    font-size: 0.9rem;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.primary-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(45deg, #dc2626, #ef4444);
    color: white;
    text-decoration: none;
    padding: 1rem 1.5rem;
    border-radius: 25px;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(220, 38, 38, 0.3);
    animation: glow-red 3s ease-in-out infinite;
}

.primary-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(220, 38, 38, 0.4);
}

@keyframes glow-red {
    0%, 100% { box-shadow: 0 10px 30px rgba(220, 38, 38, 0.3); }
    50% { box-shadow: 0 10px 30px rgba(220, 38, 38, 0.5); }
}

.secondary-cta {
    background: linear-gradient(45deg, #3b82f6, #8b5cf6);
    color: white;
    border: none;
    padding: 1rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.secondary-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(59, 130, 246, 0.4);
}

/* About Section */
.about {
    padding: 6rem 0;
    background: white;
}

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

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #1e293b;
}

.company-info {
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.info-item strong {
    width: 120px;
    color: #475569;
    font-weight: 600;
}

.info-item span {
    color: #1e293b;
}

.mission h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #3b82f6;
}

.mission p {
    color: #64748b;
    line-height: 1.8;
}

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

.visual-element {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 50%;
    position: relative;
    animation: pulse 4s ease-in-out infinite;
}

.visual-element::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #60a5fa, #a855f7);
    border-radius: 50%;
    opacity: 0.8;
}

.visual-element::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: white;
    border-radius: 50%;
    opacity: 0.9;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: #f8fafc;
}

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

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #1e293b;
}

.contact-item {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.5rem;
}

.contact-item strong {
    color: #475569;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-item span {
    color: #1e293b;
    font-size: 1.1rem;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    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;
    color: #374151;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.submit-button {
    width: 100%;
    background: linear-gradient(45deg, #3b82f6, #8b5cf6);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-logo h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-logo p {
    opacity: 0.8;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    opacity: 0.6;
}

/* Animations */
@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    33% {
        transform: translateY(-30px) rotate(2deg);
    }

    66% {
        transform: translateY(-20px) rotate(-2deg);
    }
}

@keyframes helix {
    0% {
        transform: rotateY(0deg) translateZ(20px);
    }

    100% {
        transform: rotateY(360deg) translateZ(20px);
    }
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px);
    }

    60% {
        transform: translateY(-5px);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

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

    .dna-helix {
        display: none;
    }

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

    /* Featured card responsive adjustments */
    .featured-card {
        transform: scale(1);
        margin: 1rem 0;
    }

    .featured-card:hover {
        transform: scale(1.02) translateY(-5px);
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .stat-number {
        font-size: 1.2rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    .service-highlights {
        padding: 0.75rem;
    }

    .highlight-item {
        font-size: 0.8rem;
    }

    .premium-notice {
        padding: 0.75rem;
    }

    .premium-notice strong {
        font-size: 0.8rem;
    }

    .cta-buttons {
        gap: 0.5rem;
    }

    .primary-cta,
    .secondary-cta {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
    }
}

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

    .nav-container {
        padding: 1rem;
    }

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

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