/* ===== BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    scroll-behavior: smooth;
}

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

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

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

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.8) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.8) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(76, 201, 240, 0.6) 0%, transparent 50%),
        linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    animation: gradientShift 8s ease-in-out infinite;
}

.particle-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: particleFloat 15s linear infinite;
}

.particle:nth-child(1) {
    left: 10%;
    animation-delay: 0s;
    animation-duration: 12s;
}

.particle:nth-child(2) {
    left: 20%;
    animation-delay: 1s;
    animation-duration: 15s;
}

.particle:nth-child(3) {
    left: 30%;
    animation-delay: 2s;
    animation-duration: 18s;
}

.particle:nth-child(4) {
    left: 40%;
    animation-delay: 3s;
    animation-duration: 14s;
}

.particle:nth-child(5) {
    left: 50%;
    animation-delay: 4s;
    animation-duration: 16s;
}

.particle:nth-child(6) {
    left: 60%;
    animation-delay: 5s;
    animation-duration: 13s;
}

.particle:nth-child(7) {
    left: 70%;
    animation-delay: 6s;
    animation-duration: 17s;
}

.particle:nth-child(8) {
    left: 80%;
    animation-delay: 7s;
    animation-duration: 19s;
}

.particle:nth-child(9) {
    left: 90%;
    animation-delay: 8s;
    animation-duration: 11s;
}

.particle:nth-child(10) {
    left: 15%;
    animation-delay: 9s;
    animation-duration: 20s;
}

.particle:nth-child(11) {
    left: 25%;
    animation-delay: 10s;
    animation-duration: 12s;
}

.particle:nth-child(12) {
    left: 35%;
    animation-delay: 11s;
    animation-duration: 14s;
}

.particle:nth-child(13) {
    left: 45%;
    animation-delay: 12s;
    animation-duration: 16s;
}

.particle:nth-child(14) {
    left: 55%;
    animation-delay: 13s;
    animation-duration: 18s;
}

.particle:nth-child(15) {
    left: 65%;
    animation-delay: 14s;
    animation-duration: 13s;
}

.particle:nth-child(16) {
    left: 75%;
    animation-delay: 15s;
    animation-duration: 15s;
}

.particle:nth-child(17) {
    left: 85%;
    animation-delay: 16s;
    animation-duration: 17s;
}

.particle:nth-child(18) {
    left: 95%;
    animation-delay: 17s;
    animation-duration: 19s;
}

.particle:nth-child(19) {
    left: 5%;
    animation-delay: 18s;
    animation-duration: 11s;
}

.particle:nth-child(20) {
    left: 75%;
    animation-delay: 19s;
    animation-duration: 21s;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    backdrop-filter: blur(1px);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out;
}

.hero-title .highlight {
    background: linear-gradient(45deg, #fff, #ffd700, #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cta-button.primary {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border: none;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.6);
}

.cta-button.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

.hero-visual {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.floating-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2rem;
    color: white;
    text-align: center;
    min-width: 200px;
    animation: float 3s ease-in-out infinite;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.floating-card:nth-child(1) {
    animation-delay: 0s;
    transform: translateX(-20px);
}

.floating-card:nth-child(2) {
    animation-delay: 1s;
    transform: translateX(20px);
}

.floating-card:nth-child(3) {
    animation-delay: 2s;
    transform: translateX(-20px);
}

.floating-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 20px 50px rgba(255, 255, 255, 0.2);
}

.floating-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
    position: relative;
    z-index: 2;
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: cardGlow 4s ease-in-out infinite;
    opacity: 0;
}

.floating-card:hover .card-glow {
    opacity: 1;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: white;
    font-size: 0.9rem;
    opacity: 0.7;
    animation: fadeInUp 1s ease-out 1s both;
}

.scroll-line {
    width: 2px;
    height: 30px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.8), transparent);
    margin-bottom: 10px;
    animation: scrollPulse 2s ease-in-out infinite;
}

/* ===== SECTION STYLES ===== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.office-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.office-image:hover {
    transform: scale(1.05);
}

.about-stats {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 2rem;
    display: flex;
    justify-content: space-around;
    color: white;
}

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

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

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

.about-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.about-card:hover {
    transform: translateY(-10px);
}

.about-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

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

.about-card p {
    color: #666;
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: 100px 0;
    background: white;
}

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

.service-card {
    background: #f8f9fa;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

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

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-icon {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #667eea;
    font-size: 1.2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.service-content {
    padding: 2rem;
}

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

.service-content p {
    color: #666;
    margin-bottom: 1.5rem;
}

.service-features {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.service-features span {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* ===== COMPANY SECTION ===== */
.company {
    padding: 100px 0;
    background: #f8f9fa;
}

.company-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.company-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.info-item {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.info-item:hover {
    transform: translateY(-3px);
}

.info-item i {
    font-size: 1.5rem;
    color: #667eea;
    width: 40px;
    text-align: center;
}

.info-item h4 {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.info-item p {
    color: #333;
    font-weight: 600;
}

.company-visual {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.company-gallery {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.team-photo {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.team-photo:hover {
    transform: scale(1.02);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.gallery-grid img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
    cursor: pointer;
}

.gallery-grid img:hover {
    transform: scale(1.1);
}

.stats-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stats-card {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
}

.stats-card:hover {
    transform: scale(1.05);
}

.stats-card h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stats-card p {
    font-size: 1rem;
    opacity: 0.9;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: 100px 0;
    background: white;
}

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

.contact-form {
    background: #f8f9fa;
    padding: 2.5rem;
    border-radius: 20px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    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;
}

.submit-btn {
    width: 100%;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    padding: 1rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-3px);
}

.contact-item i {
    font-size: 1.5rem;
    color: #667eea;
    width: 40px;
    text-align: center;
}

.contact-item h4 {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: #333;
    font-weight: 600;
}

/* ===== FOOTER ===== */
.footer {
    background: #333;
    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 {
    color: #ccc;
}

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

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

.footer-links a:hover {
    color: #667eea;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #555;
    color: #ccc;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {

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

    50% {
        transform: translateY(-10px);
    }
}

@keyframes gradientShift {

    0%,
    100% {
        background:
            radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.8) 0%, transparent 50%),
            radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.8) 0%, transparent 50%),
            radial-gradient(circle at 40% 80%, rgba(76, 201, 240, 0.6) 0%, transparent 50%),
            linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    }

    50% {
        background:
            radial-gradient(circle at 80% 20%, rgba(102, 126, 234, 0.8) 0%, transparent 50%),
            radial-gradient(circle at 20% 80%, rgba(118, 75, 162, 0.8) 0%, transparent 50%),
            radial-gradient(circle at 60% 20%, rgba(76, 201, 240, 0.6) 0%, transparent 50%),
            linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    }
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(-100px) scale(1);
        opacity: 0;
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

@keyframes cardGlow {

    0%,
    100% {
        transform: translateX(-100%);
    }

    50% {
        transform: translateX(100%);
    }
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: 0.7;
        transform: scaleY(1);
    }

    50% {
        opacity: 1;
        transform: scaleY(1.5);
    }
}

@keyframes pulse {

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

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

    .nav-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-buttons .cta-button {
        text-align: center;
    }

    .hero-scroll-indicator {
        display: none;
    }

    .particle-container {
        display: none;
    }

    .about-main {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .office-image {
        height: 300px;
    }

    .about-stats {
        position: static;
        background: rgba(102, 126, 234, 0.9);
        margin-top: 1rem;
        border-radius: 15px;
    }

    .service-image {
        height: 150px;
    }

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

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

    .gallery-grid img {
        height: 120px;
    }

    .stats-cards {
        flex-direction: row;
        flex-wrap: wrap;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

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

    .company-info {
        grid-template-columns: 1fr;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mt-1 {
    margin-top: 1rem;
}

.mt-2 {
    margin-top: 2rem;
}