:root {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --accent-color: #c0a080; /* Coffee/Wood tone */
    --accent-secondary: #8a9a5b; /* Muted green/hops/grains */
    --lab-glass: rgba(255, 255, 255, 0.05);
    --lab-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Noto Sans JP', sans-serif;
    --font-mono: 'Space Mono', monospace;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(18, 18, 18, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--lab-border);
    padding: 15px 0;
}

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

.logo {
    display: flex;
    flex-direction: column;
    font-family: var(--font-mono);
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo-sub {
    font-size: 0.7rem;
    color: var(--accent-color);
    letter-spacing: 2px;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-list a {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.7);
}

.nav-list a:hover {
    color: var(--accent-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-color);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: radial-gradient(circle at center, #2a2a2a 0%, #121212 100%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(45deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 100%),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 1px,
            rgba(255, 255, 255, 0.03) 1px,
            rgba(255, 255, 255, 0.03) 2px
        );
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 10;
    padding: 0 20px;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-tagline span {
    display: block;
}

.hero-tagline .line-1 {
    color: var(--text-color);
}

.hero-tagline .line-2 {
    color: var(--accent-color);
    font-style: italic;
    font-family: var(--font-main);
    font-weight: 300;
}

.hero-sub-tagline {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0.7;
}

.scroll-indicator span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 2px;
}

.scroll-indicator .line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--text-color), transparent);
}

/* Sections */
.section {
    padding: 100px 0;
}

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

.section-label {
    display: block;
    font-family: var(--font-mono);
    color: var(--accent-color);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
}

/* Concept */
.concept-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.lead-text {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.8;
}

/* Menu Grid */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.menu-card {
    background: var(--lab-glass);
    border: 1px solid var(--lab-border);
    padding: 40px;
    border-radius: 4px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.menu-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 20px;
}

.menu-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--accent-color);
}

.menu-card p {
    font-size: 0.95rem;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.8);
}

.menu-list li {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

/* Access */
.info-box {
    background: var(--lab-glass);
    border: 1px solid var(--lab-border);
    padding: 40px;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.info-box h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.info-box h3 .small {
    display: block;
    font-size: 1rem;
    font-weight: 300;
    color: var(--accent-color);
    margin-top: 5px;
}

.address {
    margin-bottom: 20px;
}

.hours {
    margin-bottom: 30px;
    font-family: var(--font-mono);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn:hover {
    background: var(--accent-color);
    color: var(--bg-color);
}

/* Footer */
.footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--lab-border);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-tagline {
        font-size: 2rem;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: #1a1a1a;
        padding: 80px 40px;
        transition: 0.3s ease;
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
}