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

:root {
    --primary-gold: #C4A962;
    --dark-text: #2C2C2C;
    --light-bg: #FDFBF7;
    --cream-bg: #F8F4EC;
    --white: #FFFFFF;
    --shadow: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Noto Serif JP', serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--light-bg);
}

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

header {
    background: var(--white);
    box-shadow: 0 2px 10px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-gold);
    margin: 3px 0;
    transition: 0.3s;
    display: block;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 2px 10px var(--shadow);
    padding: 1rem 0;
    z-index: 1000;
}

.mobile-menu.active {
    display: block;
}

.mobile-nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav-menu li {
    border-bottom: 1px solid #f0f0f0;
}

.mobile-nav-menu a {
    display: block;
    padding: 1rem 2rem;
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 500;
    transition: background-color 0.3s;
}

.mobile-nav-menu a:hover,
.mobile-nav-menu a.active {
    background-color: var(--cream-bg);
    color: var(--primary-gold);
}

.mobile-language-switch {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-top: 1px solid #f0f0f0;
}

.mobile-lang-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--primary-gold);
    color: var(--primary-gold);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.mobile-lang-btn.active {
    background: var(--primary-gold);
    color: var(--white);
}

.mobile-lang-btn:hover {
    background: var(--primary-gold);
    color: var(--white);
}

.logo img {
    height: 50px;
    width: auto;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-gold);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-gold);
    transition: width 0.3s;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.language-switch {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--primary-gold);
    color: var(--primary-gold);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.lang-btn.active {
    background: var(--primary-gold);
    color: var(--white);
}

.lang-btn:hover {
    background: var(--primary-gold);
    color: var(--white);
}

.hero {
    padding: 8rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}


.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-video.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(44, 44, 44, 0.6) 0%, rgba(196, 169, 98, 0.3) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 3;
}

.hero-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn-primary,
.btn-secondary {
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: var(--primary-gold);
    color: var(--white);
    border: 2px solid var(--primary-gold);
}

.btn-primary:hover {
    background: transparent;
    color: var(--primary-gold);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-gold);
    border: 2px solid var(--primary-gold);
}

.btn-secondary:hover {
    background: var(--primary-gold);
    color: var(--white);
}

.features {
    padding: 5rem 0;
    background: var(--white);
}

.section-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark-text);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-gold);
}

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

.feature-card {
    padding: 2rem;
    text-align: center;
    background: var(--light-bg);
    border-radius: 8px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-gold);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-gold);
}

.feature-card p {
    color: var(--dark-text);
    line-height: 1.8;
}

.cta-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-gold) 0%, #B39855 100%);
    color: var(--white);
}

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

.cta-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-item {
    font-size: 1.1rem;
}

footer {
    background: var(--dark-text);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-logo {
    height: 40px;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-info p {
    margin-bottom: 0.5rem;
}

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

.footer-nav a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.company-info,
.services-content {
    padding: 5rem 0;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    margin-top: 3rem;
}

.info-label {
    font-weight: 600;
    color: var(--primary-gold);
}

.service-grid {
    display: grid;
    gap: 3rem;
    margin-top: 3rem;
}

.service-item {
    background: var(--white);
    padding: 2rem;
    border-left: 4px solid var(--primary-gold);
    border-radius: 8px;
    box-shadow: 0 2px 10px var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px var(--shadow);
}

.service-item h3 {
    color: var(--primary-gold);
    margin-bottom: 1rem;
    font-size: 1.8rem;
    font-family: 'Noto Serif JP', serif;
}

.service-item ul {
    list-style: none;
    margin-top: 1rem;
}

.service-item li {
    padding: 0.5rem 0;
    list-style: none;
}

.service-item li i {
    color: var(--primary-gold);
    margin-right: 0.5rem;
}

@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .nav-wrapper {
        flex-direction: row;
        gap: 0;
    }

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

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

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

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

    .contact-info {
        flex-direction: column;
        align-items: center;
    }

}