@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;500;600;700&family=Zen+Kaku+Gothic+New:wght@300;400;500;700&display=swap');

:root {
    --color-primary: #1a3a5c;
    --color-secondary: #4a7c9b;
    --color-accent: #8fb8d4;
    --color-cream: #f5f2eb;
    --color-dark: #2c2c2c;
    --color-text: #3d3d3d;
    --color-light: #ffffff;
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Zen Kaku Gothic New', sans-serif;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-cream);
    line-height: 1.8;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(245, 242, 235, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(26, 58, 92, 0.1);
    transition: var(--transition);
}

header.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--color-dark);
    letter-spacing: 0.5px;
}

.logo-icon {
    width: 120px;
    height: auto;
    object-fit: contain;
}

.logo-text {
    color: var(--color-dark);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 25px;
    align-items: center;
}

.nav-links a {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-dark);
    position: relative;
    padding: 5px 0;
}

.nav-links a i {
    font-size: 0.6rem;
    margin-left: 4px;
    opacity: 0.6;
}

.nav-links a:hover {
    color: var(--color-secondary);
}

.nav-featured {
    color: var(--color-secondary) !important;
}

.nav-icons {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-icon {
    font-size: 1rem;
    color: var(--color-dark);
    padding: 5px;
}

.nav-icon:hover {
    color: var(--color-secondary);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-dark);
    transition: var(--transition);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-cream) 0%, #e8e4db 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(143, 184, 212, 0.15) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(to top, var(--color-cream), transparent);
    z-index: 1;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(5deg); }
    66% { transform: translate(-20px, 20px) rotate(-3deg); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    padding: 120px 40px 80px;
    position: relative;
    z-index: 2;
}

.hero-text {
    animation: slideInLeft 1s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-badge {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-light);
    padding: 8px 20px;
    font-size: 0.75rem;
    letter-spacing: 3px;
    margin-bottom: 30px;
    position: relative;
}

.hero-badge::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -30px;
    width: 20px;
    height: 1px;
    background: var(--color-primary);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.3;
    margin-bottom: 25px;
}

.hero-title span {
    display: block;
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--color-secondary);
    margin-top: 10px;
    letter-spacing: 4px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-price {
    display: flex;
    align-items: baseline;
    gap: 15px;
    margin-bottom: 40px;
}

.price-current {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.price-tax {
    font-size: 0.85rem;
    color: var(--color-secondary);
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: var(--color-primary);
    color: var(--color-light);
    padding: 18px 40px;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.hero-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition);
}

.hero-cta:hover::before {
    left: 100%;
}

.hero-cta:hover {
    background: var(--color-secondary);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(26, 58, 92, 0.3);
}

.hero-image {
    position: relative;
    animation: slideInRight 1s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-image-wrapper {
    position: relative;
    border-radius: 0 100px 0 100px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(26, 58, 92, 0.2);
}

.hero-image-wrapper::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 2px solid var(--color-secondary);
    border-radius: 0 100px 0 100px;
    z-index: -1;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.02); }
}

.hero-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: var(--transition);
}

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

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-circle {
    position: absolute;
    border-radius: 50%;
    background: var(--color-accent);
    opacity: 0.1;
    animation: floatCircle 15s ease-in-out infinite;
}

.floating-circle:nth-child(1) {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.floating-circle:nth-child(2) {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 10%;
    animation-delay: -5s;
}

.floating-circle:nth-child(3) {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 15%;
    animation-delay: -10s;
}

@keyframes floatCircle {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(20px, -20px); }
    50% { transform: translate(-10px, 10px); }
    75% { transform: translate(15px, 15px); }
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 20px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
    margin: 20px auto 0;
}

.section-subtitle {
    text-align: center;
    color: var(--color-secondary);
    font-size: 0.95rem;
    letter-spacing: 3px;
    margin-bottom: 60px;
}

.features {
    padding: 100px 40px;
    background: var(--color-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.feature-card {
    text-align: center;
    padding: 50px 30px;
    background: var(--color-cream);
    border-radius: 20px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(26, 58, 92, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    color: var(--color-light);
    font-size: 1.8rem;
}

.feature-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.feature-text {
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.8;
}

.gallery {
    padding: 100px 40px;
    background: linear-gradient(180deg, var(--color-cream) 0%, var(--color-light) 100%);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 60px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    cursor: pointer;
    aspect-ratio: 1;
}

.gallery-item:first-child {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(26, 58, 92, 0.7), transparent);
    opacity: 0;
    transition: var(--transition);
}

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

.gallery-item:hover::after {
    opacity: 1;
}

.gallery-overlay {
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: var(--color-light);
    z-index: 2;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
    transform: translateY(0);
}

.details {
    padding: 100px 40px;
    background: var(--color-light);
}

.details-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.details-info {
    position: sticky;
    top: 120px;
}

.details-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 40px;
}

.details-table tr {
    border-bottom: 1px solid rgba(26, 58, 92, 0.1);
}

.details-table th,
.details-table td {
    padding: 20px 15px;
    text-align: left;
}

.details-table th {
    font-weight: 500;
    color: var(--color-secondary);
    width: 40%;
    font-size: 0.9rem;
}

.details-table td {
    color: var(--color-dark);
}

.details-description {
    padding: 40px;
    background: var(--color-cream);
    border-radius: 20px;
}

.details-description h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 25px;
}

.details-description p {
    margin-bottom: 20px;
    line-height: 2;
}

.cta-section {
    padding: 120px 40px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    animation: patternMove 30s linear infinite;
}

@keyframes patternMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--color-light);
    margin-bottom: 20px;
}

.cta-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: var(--color-light);
    color: var(--color-primary);
    padding: 20px 50px;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    transition: var(--transition);
}

.cta-button:hover {
    background: var(--color-cream);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

footer {
    background: var(--color-light);
    color: var(--color-dark);
    padding: 50px 40px 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-top {
    text-align: center;
    margin-bottom: 30px;
}

.footer-follow-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #5a31f4;
    color: var(--color-light);
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

.footer-follow-btn:hover {
    background: #4a28c9;
    transform: translateY(-2px);
}

.footer-follow-btn i {
    font-size: 0.9rem;
}

.footer-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 25px;
}

.footer-nav a {
    font-size: 0.85rem;
    color: var(--color-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-nav a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
}

.footer-copyright {
    font-size: 0.8rem;
    color: rgba(0, 0, 0, 0.5);
}

.footer-copyright a {
    color: rgba(0, 0, 0, 0.5);
    text-decoration: underline;
}

.footer-copyright a:hover {
    color: var(--color-secondary);
}

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    
    .hero-text {
        order: 2;
    }
    
    .hero-image {
        order: 1;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        margin: 0 auto 40px;
    }
    
    .hero-price {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-item:first-child {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .details-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .details-info {
        position: static;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .company-info {
        flex-direction: column;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 15px 20px;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--color-cream);
        flex-direction: column;
        align-items: center;
        padding: 30px;
        gap: 20px;
        transform: translateY(-150%);
        transition: var(--transition);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .nav-icons {
        margin-right: 10px;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .footer-nav {
        gap: 15px;
    }
    
    .hero-content {
        padding: 100px 20px 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-image img {
        height: 350px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item:first-child {
        grid-column: span 1;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .cta-title {
        font-size: 1.8rem;
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.6rem;
    }
    
    .price-current {
        font-size: 2rem;
    }
    
    .hero-cta {
        padding: 15px 30px;
        font-size: 0.85rem;
    }
    
    .feature-card {
        padding: 35px 20px;
    }
    
    .details-description {
        padding: 25px;
    }
    
    .cta-button {
        padding: 15px 35px;
    }
}