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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Hiragino Sans', 'Yu Gothic', 'Meiryo', sans-serif;
    line-height: 1.6;
    color: #1E3A5F;
    background-color: #FAFCFD;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: #1E3A5F;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
    color: #4A6B7C;
}

a {
    color: #D4AF37;
    text-decoration: none;
}

a:hover {
    color: #B8941F;
}

/* Header */
.header {
    background: linear-gradient(135deg, #FAFCFD 0%, #E8F4F8 100%);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(30, 58, 95, 0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 48px;
    height: 48px;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1E3A5F;
    text-decoration: none;
}

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

.btn-primary {
    background: linear-gradient(135deg, #D4AF37 0%, #B8941F 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #B8941F 0%, #A0811B 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #1E3A5F;
    border: 2px solid #1E3A5F;
}

.btn-secondary:hover {
    background: #1E3A5F;
    color: white;
}

.btn-product {
    background: linear-gradient(135deg, #E8F4F8 0%, #D4AF37 100%);
    color: #1E3A5F;
    font-size: 0.9rem;
    padding: 10px 20px;
}

.btn-product:hover {
    background: linear-gradient(135deg, #D4AF37 0%, #B8941F 100%);
    color: white;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #E8F4F8 0%, #FAFCFD 50%, #F0F8FB 100%);
    padding: 60px 0 80px 0;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    min-height: 500px;
}

.hero-title {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #1E3A5F 0%, #2E5A8F 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #4A6B7C;
    margin-bottom: 2rem;
    line-height: 1.8;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* Image Styles */
.hero-main-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(30, 58, 95, 0.15);
    border: 2px solid rgba(212, 175, 55, 0.2);
}

.about-main-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(30, 58, 95, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.installation-main-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(30, 58, 95, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.ar-main-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(30, 58, 95, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: 0 8px 25px rgba(30, 58, 95, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.1);
    transition: transform 0.3s ease;
}

.product-image:hover {
    transform: translateY(-2px);
}

/* Section Styles */
section {
    padding: 80px 0;
}

.centered-section {
    text-align: center;
}

.centered-section .container > * {
    text-align: center;
}

.centered-section .installation-content,
.centered-section .ar-content {
    text-align: left;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: #1E3A5F;
}

/* About Section */
.about {
    background: #FAFCFD;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    margin-bottom: 1.5rem;
    color: #1E3A5F;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Services Section */
.services {
    background: linear-gradient(135deg, #E8F4F8 0%, #FAFCFD 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(30, 58, 95, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.1);
}

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

.service-card h4 {
    margin-bottom: 1rem;
    color: #1E3A5F;
}

/* Products Section */
.products {
    background: #FAFCFD;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 10px 30px rgba(30, 58, 95, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.1);
    text-align: center;
}

.product-card h4 {
    margin: 1rem 0 0.5rem 0;
    color: #1E3A5F;
}

.product-card p {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: #D4AF37;
    margin: 1rem 0 1.5rem 0;
}

/* Features Section */
.features {
    background: linear-gradient(135deg, #E8F4F8 0%, #FAFCFD 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.feature-item {
    text-align: center;
    padding: 1.5rem;
}

.feature-item h4 {
    margin-bottom: 1rem;
    color: #1E3A5F;
}

/* Installation Section */
.installation {
    background: #FAFCFD;
}

.installation-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.installation-text h3 {
    margin-bottom: 1.5rem;
    color: #1E3A5F;
}

.installation-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.installation-text ul {
    list-style: none;
    padding: 0;
}

.installation-text li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #4A6B7C;
}

.installation-text li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #D4AF37;
    font-weight: bold;
}

/* AR Preview Section */
.ar-preview {
    background: linear-gradient(135deg, #E8F4F8 0%, #FAFCFD 100%);
}

.ar-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.ar-text h3 {
    margin-bottom: 1.5rem;
    color: #1E3A5F;
}

.ar-text p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.ar-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ar-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 8px;
    border-left: 4px solid #D4AF37;
}

.ar-feature span:first-child {
    font-size: 1.5rem;
}

/* Testimonials Section */
.testimonials {
    background: #FAFCFD;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(30, 58, 95, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.1);
    border-left: 4px solid #D4AF37;
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.testimonial-author {
    font-weight: 600;
    color: #1E3A5F;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, #E8F4F8 0%, #FAFCFD 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item h4 {
    margin-bottom: 0.5rem;
    color: #1E3A5F;
}

.contact-item a {
    color: #D4AF37;
    font-weight: 600;
    font-size: 1.1rem;
}

.contact-item a:hover {
    color: #B8941F;
}

.contact-hours h4 {
    margin-bottom: 1rem;
    color: #1E3A5F;
}

.contact-hours p {
    line-height: 1.8;
}

.contact-hours em {
    color: #D4AF37;
    font-style: normal;
    font-weight: 600;
}

/* Footer */
.footer {
    background: #1E3A5F;
    color: white;
    padding: 4rem 0 2rem 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: start;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.footer-brand-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

.footer-description {
    color: #B8D4E3;
    margin-bottom: 0;
    line-height: 1.6;
    max-width: 300px;
}

.footer-navigation {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-nav-section h5 {
    color: #D4AF37;
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.footer-nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-nav-links a {
    color: #B8D4E3;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-nav-links a:hover {
    color: #D4AF37;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #2E5A8F;
    color: #B8D4E3;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .hero-content,
    .about-content,
    .installation-content,
    .ar-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-content {
        min-height: auto;
    }

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

    .hero-subtitle {
        text-align: center;
        max-width: 100%;
    }

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

    .hero-buttons {
        justify-content: center;
    }

    .services-grid,
    .products-grid,
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .footer-content,
    .footer-navigation {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer-content {
        gap: 30px;
    }

    section {
        padding: 40px 0;
    }

    .hero {
        padding: 40px 0;
    }

    .hero-main-image {
        height: 250px;
    }

    .about-main-image,
    .installation-main-image,
    .ar-main-image {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .brand-name {
        font-size: 1.25rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .footer-navigation {
        gap: 25px;
    }

    .footer-nav-section h5 {
        font-size: 0.95rem;
    }
}