@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Montserrat:wght@300;400;500;600&display=swap');

:root {
    --color-gold: #c9a962;
    --color-gold-light: #e8d5a3;
    --color-black: #1a1a1a;
    --color-white: #ffffff;
    --color-cream: #f8f6f1;
    --color-gray: #6b6b6b;
    --color-gray-light: #e5e5e5;
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Montserrat', Arial, sans-serif;
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-light);
    transition: var(--transition);
}

header.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px 40px;
    position: relative;
}

.logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.logo img {
    height: 20px;
    width: auto;
}

nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

nav a {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-black);
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: var(--transition);
}

nav a:hover::after {
    width: 100%;
}

.nav-left {
    margin-right: auto;
}

.nav-right {
    margin-left: auto;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-black);
    margin: 5px 0;
    transition: var(--transition);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-white) 50%, #f5f0e8 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(201, 169, 98, 0.08) 0%, transparent 70%);
    animation: heroGlow 8s ease-in-out infinite;
}

@keyframes heroGlow {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.5; }
    50% { transform: scale(1.1) rotate(5deg); opacity: 0.8; }
}

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

.hero-content {
    padding: 40px 0;
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.3s;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(48px, 6vw, 80px);
    font-weight: 300;
    line-height: 1.1;
    color: var(--color-black);
    margin-bottom: 30px;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.5s;
}

.hero-title span {
    display: block;
    font-style: italic;
    color: var(--color-gold);
}

.hero-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-gray);
    max-width: 480px;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.7s;
}

.hero-price {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 400;
    color: var(--color-black);
    margin-bottom: 30px;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.9s;
}

.hero-price small {
    font-size: 14px;
    color: var(--color-gray);
    font-family: var(--font-sans);
    display: block;
    margin-top: 5px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 40px;
    background: var(--color-black);
    color: var(--color-white);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0;
    animation: fadeInUp 1s ease forwards 1.1s;
}

.btn-primary:hover {
    background: var(--color-gold);
    transform: translateY(-2px);
}

.btn-primary i {
    transition: var(--transition);
}

.btn-primary:hover i {
    transform: translateX(5px);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    opacity: 0;
    animation: fadeInScale 1.2s ease forwards 0.5s;
}

@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.hero-image-wrapper::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    border: 1px solid var(--color-gold-light);
    border-radius: 50%;
    animation: rotateCircle 20s linear infinite;
}

@keyframes rotateCircle {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-image-wrapper::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    border: 1px dashed rgba(201, 169, 98, 0.3);
    border-radius: 50%;
    animation: rotateCircle 30s linear infinite reverse;
}

.hero-image img {
    max-width: 450px;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 30px 60px rgba(0,0,0,0.15));
}

.kintsugi-line {
    position: absolute;
    width: 2px;
    height: 100px;
    background: linear-gradient(to bottom, var(--color-gold), transparent);
    opacity: 0.6;
}

.kintsugi-line:nth-child(1) { top: 10%; left: 20%; transform: rotate(45deg); animation: shimmer 3s ease-in-out infinite; }
.kintsugi-line:nth-child(2) { top: 30%; right: 15%; transform: rotate(-30deg); animation: shimmer 3s ease-in-out infinite 0.5s; }
.kintsugi-line:nth-child(3) { bottom: 20%; left: 30%; transform: rotate(60deg); animation: shimmer 3s ease-in-out infinite 1s; }

@keyframes shimmer {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}


.section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-subtitle {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 15px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(36px, 4vw, 56px);
    font-weight: 300;
    color: var(--color-black);
}

.philosophy {
    background: var(--color-black);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.philosophy::before {
    content: '金継ぎ';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 300px;
    font-family: var(--font-serif);
    color: rgba(201, 169, 98, 0.03);
    white-space: nowrap;
    pointer-events: none;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

.philosophy-content .section-subtitle {
    color: var(--color-gold-light);
}

.philosophy-content .section-title {
    color: var(--color-white);
    margin-bottom: 30px;
}

.philosophy-text {
    font-size: 16px;
    line-height: 2;
    color: rgba(255,255,255,0.7);
    margin-bottom: 30px;
}

.philosophy-quote {
    font-family: var(--font-serif);
    font-size: 24px;
    font-style: italic;
    color: var(--color-gold);
    padding-left: 30px;
    border-left: 2px solid var(--color-gold);
}

.philosophy-image {
    position: relative;
}

.philosophy-image img {
    width: 100%;
    filter: grayscale(20%);
}

.philosophy-image::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 1px solid var(--color-gold);
    z-index: -1;
}

.features {
    background: var(--color-cream);
}

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

.feature-card {
    background: var(--color-white);
    padding: 50px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    transform: translateX(-100%);
    transition: var(--transition);
}

.feature-card:hover::before {
    transform: translateX(0);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-gold-light);
    border-radius: 50%;
    font-size: 28px;
    color: var(--color-gold);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--color-gold);
    color: var(--color-white);
}

.feature-title {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 15px;
}

.feature-text {
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-gray);
}

.gallery {
    padding: 120px 0;
}

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

.gallery-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.gallery-item:nth-child(1) {
    grid-column: span 2;
    grid-row: span 2;
}

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

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

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: flex-end;
    padding: 30px;
}

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

.gallery-overlay span {
    color: var(--color-white);
    font-size: 14px;
    letter-spacing: 1px;
}

.specs {
    background: var(--color-cream);
}

.specs-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.specs-image {
    position: relative;
}

.specs-image img {
    width: 100%;
}

.specs-list {
    display: grid;
    gap: 30px;
}

.spec-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 20px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--color-gray-light);
}

.spec-label {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-gray);
}

.spec-value {
    font-family: var(--font-serif);
    font-size: 18px;
    color: var(--color-black);
}

.cta {
    background: linear-gradient(135deg, var(--color-black) 0%, #2a2a2a 100%);
    color: var(--color-white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="%23c9a962" stroke-width="0.2" opacity="0.1"/></svg>');
    background-size: 200px;
    animation: bgMove 30s linear infinite;
}

@keyframes bgMove {
    from { background-position: 0 0; }
    to { background-position: 200px 200px; }
}

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

.cta .section-title {
    color: var(--color-white);
    margin-bottom: 20px;
}

.cta-text {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta .btn-primary {
    background: var(--color-gold);
    color: var(--color-black);
    opacity: 1;
    animation: none;
}

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


footer {
    background: var(--color-cream);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    position: static;
    transform: none;
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-contact {
    font-size: 14px;
    color: var(--color-gray);
}

.footer-contact a {
    color: var(--color-black);
}

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

.footer-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 25px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    color: var(--color-gray);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--color-gray-light);
}

.footer-copy {
    font-size: 12px;
    color: var(--color-gray);
}

.footer-disclaimer {
    font-size: 11px;
    color: var(--color-gray);
    max-width: 600px;
    text-align: right;
    line-height: 1.6;
}

.language-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--color-gray);
    cursor: pointer;
}

.language-selector:hover {
    color: var(--color-black);
}

@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }
    
    .hero-container {
        gap: 60px;
    }
    
    .hero-image img {
        max-width: 380px;
    }
    
    .hero-image-wrapper::before {
        width: 350px;
        height: 350px;
    }
    
    .hero-image-wrapper::after {
        width: 420px;
        height: 420px;
    }
}

@media (max-width: 992px) {
    .header-inner {
        padding: 15px 20px;
    }
    
    nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
        position: absolute;
        left: 20px;
    }
    
    .logo {
        position: static;
        transform: none;
    }
    
    .mobile-nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: var(--color-white);
        z-index: 999;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        transition: var(--transition);
    }
    
    .mobile-nav.active {
        left: 0;
    }
    
    .mobile-nav a {
        font-size: 18px;
        font-weight: 500;
        letter-spacing: 2px;
        text-transform: uppercase;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        order: 2;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-image {
        order: 1;
    }
    
    .hero-image img {
        max-width: 300px;
    }
    
    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .philosophy-image {
        order: -1;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-item:nth-child(1) {
        grid-column: span 2;
    }
    
    .specs-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .spec-item {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }
    
    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }
    
    .hero-image-wrapper::before,
    .hero-image-wrapper::after {
        display: none;
    }
    
    .kintsugi-line {
        display: none;
    }
    
    .philosophy::before {
        font-size: 150px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item:nth-child(1) {
        grid-column: span 1;
        grid-row: span 1;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-disclaimer {
        text-align: center;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-image img {
        max-width: 250px;
    }
    
    .btn-primary {
        padding: 15px 30px;
        font-size: 11px;
    }
    
    .feature-card {
        padding: 40px 30px;
    }
    
    .section-title {
        font-size: 32px;
    }
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}