/* ========================================
   CSS Variables & Base Styles
======================================== */
:root {
    /* Colors - Classic Tequila-inspired palette */
    --color-primary: #B8860B;      /* Dark Goldenrod */
    --color-secondary: #8B4513;    /* Saddle Brown */
    --color-accent: #D4AF37;       /* Gold */
    --color-warm: #A0522D;         /* Sienna */
    --color-deep: #5D3A1A;         /* Deep Brown */
    --color-burgundy: #722F37;     /* Burgundy */
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #B8860B 0%, #D4AF37 100%);
    --gradient-secondary: linear-gradient(135deg, #5D3A1A 0%, #8B4513 100%);
    --gradient-warm: linear-gradient(135deg, #A0522D 0%, #B8860B 100%);
    --gradient-hero: linear-gradient(180deg, #FDF8F0 0%, #F5EDE0 100%);
    --gradient-dark: linear-gradient(135deg, #2C1810 0%, #3D2317 100%);
    
    /* Neutrals */
    --color-white: #FFFFFF;
    --color-ivory: #FFFFF0;
    --color-cream: #FAF8F5;
    --color-parchment: #F5F0E6;
    --color-dark: #1A1A1A;
    --color-charcoal: #2D2D2D;
    --color-text: #3D3D3D;
    --color-text-light: #6B6B6B;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-xxl: 5rem;
    
    /* Typography */
    --font-primary: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;
    --font-display: 'Cormorant Garamond', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text);
    background-color: var(--color-cream);
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ========================================
   Typography
======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.5;
    color: var(--color-dark);
}

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

/* ========================================
   Decorative Elements
======================================== */
.ornament {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    color: var(--color-accent);
    font-size: 0.875rem;
    letter-spacing: 0.3em;
}

.ornament::before,
.ornament::after {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--color-accent);
}

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    position: relative;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 16px rgba(184, 134, 11, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(184, 134, 11, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-sm);
}

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

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-sm);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-deep);
    border-color: var(--color-white);
}

/* ========================================
   Header
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: transparent;
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(253, 248, 240, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
    padding: var(--space-sm) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-icon {
    font-size: 1.25rem;
    color: var(--color-primary);
}

.logo-icon i {
    display: inline-block;
}

.logo-text {
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-dark);
    letter-spacing: 0.05em;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.nav a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: 0.05em;
    position: relative;
}

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

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 1px;
    background: var(--color-dark);
    transition: var(--transition-fast);
}

/* ========================================
   Hero Section
======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: var(--space-xxl) 0;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23B8860B' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    text-align: center;
    z-index: 1;
    animation: fadeIn 1.2s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    color: var(--color-dark);
}

.hero-title-sub {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(0.875rem, 1.5vw, 1rem);
    font-weight: 400;
    font-style: italic;
    letter-spacing: 0.2em;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.hero-description {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
    line-height: 2;
}

.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
}

.floating-element {
    position: absolute;
    font-size: 1.5rem;
    opacity: 0.15;
    color: var(--color-primary);
}

.floating-element i {
    display: block;
}

.el-1 { top: 20%; left: 12%; }
.el-2 { top: 25%; right: 15%; }
.el-3 { bottom: 30%; left: 10%; }
.el-4 { bottom: 25%; right: 12%; }

/* ========================================
   Section Titles
======================================== */
.section-title {
    text-align: center;
    font-family: var(--font-primary);
    font-size: clamp(1.5rem, 3vw, 1.875rem);
    font-weight: 600;
    margin-bottom: var(--space-xxl);
    position: relative;
}

.section-title-en {
    display: block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 400;
    font-style: italic;
    letter-spacing: 0.3em;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
}

.section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 1px;
    background: var(--color-accent);
    margin: var(--space-md) auto 0;
}

.section-title-light {
    color: var(--color-ivory);
}

.section-title-light .section-title-en {
    color: var(--color-accent);
}

.section-title-light::after {
    background: var(--color-accent);
}

/* ========================================
   Business Section
======================================== */
.business {
    padding: var(--space-xxl) 0;
    background: var(--color-white);
}

.business-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.business-card {
    background: var(--color-cream);
    padding: var(--space-xl);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    border: 1px solid rgba(184, 134, 11, 0.1);
}

.business-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--gradient-primary);
}

.business-card:hover {
    box-shadow: var(--shadow-md);
}

.business-icon {
    font-size: 2rem;
    margin-bottom: var(--space-md);
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid var(--color-primary);
    border-radius: 50%;
    color: var(--color-primary);
    transition: var(--transition-normal);
}

.business-card:hover .business-icon {
    background: var(--gradient-primary);
    color: var(--color-white);
    border-color: transparent;
}

.business-card h3 {
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-dark);
}

.business-card p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    line-height: 1.9;
}

/* ========================================
   About Section
======================================== */
.about {
    padding: var(--space-xxl) 0;
    background: var(--color-parchment);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xxl);
    align-items: center;
}

.about-image-placeholder {
    aspect-ratio: 4/3;
    background: var(--gradient-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-ivory);
    position: relative;
    overflow: hidden;
}

.about-image-placeholder::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.about-image-placeholder span {
    font-size: 3.5rem;
    margin-bottom: var(--space-sm);
    color: var(--color-accent);
    position: relative;
    z-index: 1;
}

.about-image-placeholder p {
    font-family: var(--font-display);
    font-size: 1rem;
    font-style: italic;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    position: relative;
    z-index: 1;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
}

.info-table tr {
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.info-table tr:last-child {
    border-bottom: none;
}

.info-table th,
.info-table td {
    padding: var(--space-md) var(--space-sm);
    text-align: left;
    vertical-align: top;
    font-size: 0.9rem;
}

.info-table th {
    width: 30%;
    font-weight: 600;
    color: var(--color-dark);
    font-family: var(--font-primary);
}

.info-table td {
    color: var(--color-text);
}

.info-table a {
    color: var(--color-primary);
}

.info-table a:hover {
    text-decoration: underline;
}

/* ========================================
   Contact Section
======================================== */
.contact {
    padding: var(--space-xxl) 0;
    background: var(--gradient-dark);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23D4AF37' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.contact .container {
    position: relative;
    z-index: 1;
}

.contact-description {
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    margin-bottom: var(--space-xl);
    line-height: 2;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    max-width: 800px;
    margin: 0 auto;
}

.contact-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(212, 175, 55, 0.2);
    padding: var(--space-xl);
    text-align: center;
    transition: var(--transition-normal);
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(212, 175, 55, 0.4);
}

.contact-icon {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid var(--color-accent);
    border-radius: 50%;
    color: var(--color-accent);
}

.contact-card h3 {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 400;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
    font-family: var(--font-sans);
}

.contact-tel {
    display: block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-ivory);
    margin-bottom: var(--space-xs);
    letter-spacing: 0.05em;
}

.contact-tel:hover {
    color: var(--color-accent);
}

.contact-note {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

.contact-address {
    color: var(--color-ivory);
    line-height: 1.9;
    margin-bottom: var(--space-md);
    font-size: 0.9rem;
}

/* ========================================
   Footer
======================================== */
.footer {
    background: var(--color-dark);
    color: var(--color-ivory);
    padding: var(--space-xl) 0 var(--space-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: var(--space-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-logo .logo-icon {
    color: var(--color-accent);
}

.footer-logo .logo-text {
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-ivory);
}

.footer-address {
    text-align: right;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.9;
}

.footer-bottom {
    text-align: center;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.05em;
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-cream);
        padding: var(--space-xxl) var(--space-lg);
        box-shadow: var(--shadow-lg);
        transition: var(--transition-normal);
    }

    .nav.active {
        right: 0;
    }

    .nav ul {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(4px, 4px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(4px, -4px);
    }

    .hero-description br {
        display: none;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .contact-description br {
        display: none;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }

    .footer-address {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.375rem;
    }

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

    .info-table th,
    .info-table td {
        display: block;
        width: 100%;
        padding: var(--space-sm);
    }

    .info-table th {
        padding-bottom: 0;
    }
}