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

:root {
    --primary: #2d2d2d;
    --secondary: #f5f0eb;
    --accent: #c9a86c;
    --accent-dark: #a88b4a;
    --text: #333;
    --text-light: #666;
    --white: #fff;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', 'Zen Kaku Gothic New', sans-serif;
    color: var(--text);
    line-height: 1.8;
    background: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

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: var(--white);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    height: 40px;
}

.logo img {
    height: 100%;
    width: auto;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 40px;
}

nav a {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
    padding: 5px 0;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

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

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

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}


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

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(201,168,108,0.1) 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-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

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

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1px;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(201,168,108,0.4); }
    50% { box-shadow: 0 0 0 15px rgba(201,168,108,0); }
}

.hero-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 2;
}

.hero-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-dark);
    margin-bottom: 30px;
}

.hero-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-light);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: var(--white);
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(201,168,108,0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(201,168,108,0.4);
}

.hero-image {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-image img {
    border-radius: 30px;
    box-shadow: var(--shadow);
}

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

.shape {
    position: absolute;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.1;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: -10%;
    animation: shapeMove 10s ease-in-out infinite;
}

.shape-2 {
    width: 200px;
    height: 200px;
    bottom: 20%;
    right: 5%;
    animation: shapeMove 8s ease-in-out infinite reverse;
}

@keyframes shapeMove {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.1); }
}


section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-label {
    display: inline-block;
    color: var(--accent);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--primary);
}

.features {
    background: var(--secondary);
}

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

.feature-card {
    background: var(--white);
    padding: 50px 40px;
    border-radius: 20px;
    text-align: center;
    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(--accent), var(--accent-dark));
    transform: scaleX(0);
    transition: var(--transition);
}

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

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--white) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--accent);
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary);
}

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

.gallery {
    background: var(--white);
}

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

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

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

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

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
    opacity: 0;
    transition: var(--transition);
}

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

.specs {
    background: linear-gradient(135deg, var(--primary) 0%, #1a1a1a 100%);
    color: var(--white);
}

.specs .section-label {
    color: var(--accent);
}

.specs .section-title {
    color: var(--white);
}

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

.specs-image {
    border-radius: 20px;
    overflow: hidden;
}

.specs-list {
    list-style: none;
}

.specs-list li {
    display: flex;
    justify-content: space-between;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.specs-list li:last-child {
    border-bottom: none;
}

.spec-label {
    color: rgba(255,255,255,0.6);
}

.spec-value {
    font-weight: 500;
}


.cta {
    background: var(--secondary);
    text-align: center;
}

.cta-box {
    background: var(--white);
    padding: 80px;
    border-radius: 30px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(201,168,108,0.05) 0%, transparent 50%);
    animation: ctaGlow 10s linear infinite;
}

@keyframes ctaGlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cta-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
}

.cta-text {
    color: var(--text-light);
    margin-bottom: 30px;
    position: relative;
}

.cta-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-dark);
    margin-bottom: 30px;
    position: relative;
}

.cta-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-light);
}

footer {
    background: var(--primary);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
}

.footer-logo {
    height: 35px;
    filter: brightness(0) invert(1);
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--accent);
}

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

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

.footer-column a {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-disclaimer {
    font-size: 11px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 15px;
    line-height: 1.8;
}

.footer-copyright {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
}

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-image {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .specs-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .header-inner {
        padding: 15px 20px;
    }
    
    nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--white);
        padding: 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }
    
    nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    nav ul {
        flex-direction: column;
        gap: 20px;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: 40px 30px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .cta-box {
        padding: 50px 30px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-price {
        font-size: 2rem;
    }
    
    .btn-primary {
        padding: 15px 30px;
        font-size: 14px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}