/* ==========================================================================
   Club A Style Sheet
   Premium Dark/Gold Aesthetic with Strictly Straight Lines
   ========================================================================== */

/* Typography & Variables */
:root {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #121212;
    
    /* Gold Theme Colors */
    --gold-primary: #d4af37;
    --gold-light: #f3e5ab;
    --gold-dark: #aa7c11;
    --gold-gradient: linear-gradient(135deg, #f3e5ab 0%, #d4af37 50%, #aa7c11 100%);
    --gold-gradient-hover: linear-gradient(135deg, #ffffff 0%, #f3e5ab 50%, #d4af37 100%);
    --gold-metallic-border: linear-gradient(135deg, #f3e5ab 0%, #d4af37 40%, #5d4007 55%, #d4af37 70%, #f3e5ab 100%) 1;
    
    /* Accent Grays */
    --gray-dark: #1e1e1e;
    --gray-medium: #2a2a2a;
    --gray-light: #8e8e8e;
    --border-color: rgba(212, 175, 55, 0.25);
    --border-color-light: rgba(212, 175, 55, 0.1);

    /* Text Colors */
    --text-white: #ffffff;
    --text-gold: #e2c055;
    --text-muted: #a5a5a5;

    /* Fonts */
    --font-serif: 'Times New Roman', 'Noto Serif JP', serif;
    --font-sans: 'Times New Roman', 'Noto Serif JP', serif;
    
    --header-height: 80px;
    --transition-speed: 0.3s;
}

/* Global Reset (Strictly Straight Lines: NO curves) */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border-radius: 0 !important; /* Force all elements to have 90-degree corners */
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-primary);
}

body {
    background-color: #000000;
    background-image: 
        linear-gradient(45deg, #050505 25%, transparent 25%), 
        linear-gradient(-45deg, #050505 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, #050505 75%), 
        linear-gradient(-45deg, transparent 75%, #050505 75%);
    background-size: 40px 40px;
    color: var(--text-white);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.8;
    overflow-x: hidden;
    letter-spacing: 0.05em;
}

/* Language Toggle Display Logic */
body.lang-jp .lang-en {
    display: none !important;
}
body.lang-en .lang-jp {
    display: none !important;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--gold-dark);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--gold-primary);
}

/* Helper Utilities */
.br-mobile {
    display: none;
}

.gold-text-gradient {
    background: linear-gradient(90deg, #aa7c11 0%, #f3e5ab 25%, #d4af37 50%, #f3e5ab 75%, #aa7c11 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    animation: goldShine 8s linear infinite;
}

@keyframes goldShine {
    0% { background-position: 0% center; }
    50% { background-position: 200% center; }
    100% { background-position: 400% center; }
}

/* Breathtaking Luxury Intro Loader */
.intro-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: auto; /* blocks clicks during loading */
    overflow: hidden;
}

.loader-content {
    position: relative;
    z-index: 10001;
    text-align: center;
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.intro-loader.fade-out .loader-content {
    opacity: 0;
    transform: scale(0.96);
}

.loader-logo {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 5px;
    animation: goldLogoPulse 2.5s infinite alternate ease-in-out;
}

@keyframes goldLogoPulse {
    0% {
        filter: drop-shadow(0 0 5px rgba(212, 175, 55, 0.2));
    }
    100% {
        filter: drop-shadow(0 0 20px rgba(212, 175, 55, 0.6));
    }
}

.loader-brand-tag {
    font-family: var(--font-serif);
    font-size: 0.75rem;
    letter-spacing: 0.4em;
    color: var(--gold-primary);
    text-transform: uppercase;
    margin-bottom: 25px;
    opacity: 0.8;
}

.loader-line-wrapper {
    width: 140px;
    height: 1px;
    background: rgba(212, 175, 55, 0.1);
    margin: 0 auto;
    position: relative;
}

.loader-line {
    width: 0;
    height: 100%;
    background: var(--gold-gradient);
    position: absolute;
    top: 0;
    left: 0;
    animation: loadProgressBar 1.8s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

@keyframes loadProgressBar {
    0% {
        width: 0;
    }
    100% {
        width: 100%;
    }
}

.loader-bg-half {
    position: absolute;
    top: 0;
    width: 50vw;
    height: 100vh;
    background-color: #000000;
    background-image: 
        linear-gradient(45deg, #050505 25%, transparent 25%), 
        linear-gradient(-45deg, #050505 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, #050505 75%), 
        linear-gradient(-45deg, transparent 75%, #050505 75%);
    background-size: 40px 40px;
    z-index: 10000;
    transition: transform 1.6s cubic-bezier(0.85, 0, 0.15, 1);
}

.loader-bg-half.left {
    left: 0;
    border-right: 1px solid transparent;
    border-image: linear-gradient(to bottom, rgba(170, 124, 17, 0.1), rgba(243, 229, 171, 0.8) 50%, rgba(170, 124, 17, 0.1)) 1;
    transform: translateX(0);
}

.loader-bg-half.right {
    right: 0;
    border-left: 1px solid transparent;
    border-image: linear-gradient(to bottom, rgba(170, 124, 17, 0.1), rgba(243, 229, 171, 0.8) 50%, rgba(170, 124, 17, 0.1)) 1;
    transform: translateX(0);
}

.intro-loader.slide-open .loader-bg-half.left {
    transform: translateX(-100%);
}

.intro-loader.slide-open .loader-bg-half.right {
    transform: translateX(100%);
}

.logo-a, .title-a {
    font-size: 1.5em;
    line-height: 1;
}

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

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

/* Header Navigation */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: transparent;
    backdrop-filter: none;
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: background var(--transition-speed) ease, backdrop-filter var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.site-header.scrolled {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    border-image: linear-gradient(to right, rgba(170, 124, 17, 0) 0%, rgba(243, 229, 171, 0.6) 50%, rgba(170, 124, 17, 0) 100%) 1;
}

.header-container {
    max-width: 1400px;
    height: 100%;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 0.04em;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-15px);
    transition: opacity var(--transition-speed) ease, transform var(--transition-speed) ease, visibility var(--transition-speed) ease;
}

.site-header.scrolled .header-logo {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.nav-desktop .nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-desktop .nav-links a {
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    text-transform: uppercase;
    position: relative;
    padding: 10px 0;
}

.nav-desktop .nav-links a:hover {
    color: var(--text-white);
}

.nav-desktop .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold-primary);
    transition: width var(--transition-speed) ease;
}

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

.btn-nav-reserve {
    border: 1px solid var(--gold-primary);
    padding: 8px 16px !important;
    color: var(--gold-primary) !important;
    background: transparent;
}

.btn-nav-reserve:hover {
    background: var(--gold-gradient) !important;
    color: var(--bg-primary) !important;
}

.btn-nav-reserve::after {
    display: none !important;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.header-insta-link {
    display: none; /* Hidden on desktop */
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-family: var(--font-sans);
    font-weight: 600;
    letter-spacing: 0.05em;
    padding: 4px 8px;
    transition: color var(--transition-speed) ease;
}

.lang-btn.active {
    color: var(--gold-primary);
    border-bottom: 1.5px solid var(--gold-primary) !important;
}

.lang-btn:hover:not(.active) {
    color: var(--text-white);
}

.lang-divider {
    color: var(--gray-light);
}

/* Hamburger Menu Button */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 16px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1010;
}

.mobile-menu-toggle .bar {
    width: 100%;
    height: 1.5px;
    background-color: var(--gold-primary);
    transition: all var(--transition-speed) ease;
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--bg-primary);
    border-left: 1px solid var(--border-color);
    z-index: 999;
    transition: right var(--transition-speed) cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav-drawer.active {
    right: 0;
}

.mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 25px;
    align-items: center;
    width: 100%;
    padding: 0 40px;
}

.mobile-nav-links a {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    letter-spacing: 0.15em;
    color: var(--text-white);
    display: block;
    padding: 10px 0;
    text-transform: uppercase;
}

.btn-mobile-reserve {
    border: 1px solid var(--gold-primary) !important;
    padding: 12px 30px !important;
    color: var(--gold-primary) !important;
    width: 100%;
    text-align: center;
    margin-top: 15px;
    font-size: 1.1rem !important;
}

.btn-mobile-reserve:hover {
    background: var(--gold-gradient) !important;
    color: var(--bg-primary) !important;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background-color: var(--bg-primary);
}

.hero-slideshow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
    animation: slowZoomActive 16s ease-out forwards;
}

@keyframes slowZoomActive {
    0% { transform: scale(1.0); }
    100% { transform: scale(1.08); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.85) 100%);
    pointer-events: none;
    z-index: 2;
}

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

.hero-title {
    font-family: var(--font-serif);
    font-size: 5rem;
    font-weight: 900;
    letter-spacing: 0.01em;
    margin-left: 0.01em; /* Offset for centering due to letter-spacing */
    line-height: 1.1;
    margin-bottom: 10px;
    animation: fadeInDown 1.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
}

.hero-brand-tag {
    font-family: var(--font-serif);
    font-size: 0.9rem;
    letter-spacing: 0.45em;
    color: var(--gold-primary);
    text-transform: uppercase;
    margin-bottom: 25px;
    font-weight: 400;
    opacity: 0.95;
    text-shadow: 0 0 8px rgba(212, 175, 55, 0.2);
    animation: fadeInUp 1.5s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 30px;
    animation: fadeInUp 1.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-decor-line {
    width: 80px;
    height: 1px;
    background: var(--gold-primary);
    margin: 0 auto;
    animation: scaleWidth 1.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 5vh;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    text-transform: uppercase;
}

.hero-mobile-controls {
    display: none; /* Hidden on desktop */
}

.hero-scroll-indicator:hover {
    color: var(--gold-primary);
}

.hero-scroll-indicator .scroll-line {
    width: 1px;
    height: 40px;
    background: rgba(212, 175, 55, 0.3);
    margin-top: 10px;
    position: relative;
    overflow: hidden;
}

.hero-scroll-indicator .scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--gold-primary);
    animation: scrollDownIndicator 2s infinite ease-in-out;
}

/* Sections Base */
section {
    padding: 120px 0;
    position: relative;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.15em;
    margin-bottom: 60px;
    position: relative;
    text-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
}

.section-title::after {
    content: '';
    display: block;
    width: 140px;
    height: 1px;
    background: var(--gold-primary);
    margin: 15px auto 0 auto;
    position: relative;
}

.section-title::before {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    background: var(--gold-primary);
    margin: 0 auto;
    position: absolute;
    left: 50%;
    bottom: -3px;
    transform: translateX(-50%) rotate(45deg);
    z-index: 2;
}

/* Scroll Reveal Animation */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Concept Section */
.concept-section {
    background: radial-gradient(circle at center, rgba(212, 175, 55, 0.06) 0%, rgba(0, 0, 0, 0) 70%),
                linear-gradient(180deg, #000000 0%, #080808 50%, #000000 100%);
    border-bottom: 1px solid rgba(212, 175, 55, 0.08);
}

.concept-frame {
    border: 1px solid transparent;
    border-image: var(--gold-metallic-border);
    padding: 8px; /* space between double borders */
    max-width: 800px;
    margin: 0 auto;
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.05);
}

.concept-frame-inner {
    border: 1px solid transparent;
    border-image: linear-gradient(135deg, rgba(212, 175, 55, 0.15) 0%, rgba(212, 175, 55, 0.4) 50%, rgba(212, 175, 55, 0.15) 100%) 1;
    padding: 60px 40px;
    text-align: center;
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(5px);
}

.concept-lead {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    line-height: 1.8;
    color: var(--text-gold);
    margin-bottom: 35px;
    font-weight: 400;
    letter-spacing: 0.1em;
}

.concept-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 2;
}

/* Producer Section */
.producer-section {
    background: radial-gradient(circle at center, rgba(212, 175, 55, 0.05) 0%, rgba(0, 0, 0, 0) 70%),
                #000000;
}

.producer-info {
    text-align: center;
    margin-bottom: 50px;
}

.producer-name {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    margin-bottom: 8px;
    color: var(--text-white);
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.15);
}

.producer-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--gold-primary);
    letter-spacing: 0.25em;
}

.producer-greeting {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 2.2;
    margin-top: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* Producer Portrait Styles */
.producer-portrait-container {
    max-width: 320px;
    margin: 40px auto 0 auto;
    border: 1px solid transparent;
    border-image: var(--gold-metallic-border);
    padding: 8px;
    background-color: rgba(5, 5, 5, 0.9);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s ease;
}

.producer-portrait-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(212, 175, 55, 0.08);
}

.portrait-slideshow {
    width: 100%;
    aspect-ratio: 3 / 4;
    position: relative;
    background-color: #151515;
    overflow: hidden;
}

.portrait-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    clip-path: polygon(100% 100%, 100% 100%, 100% 100%);
    transition: clip-path 1.5s cubic-bezier(0.25, 1, 0.5, 1), opacity 1.5s ease;
    z-index: 1;
}

.portrait-slide.active {
    opacity: 1;
    clip-path: polygon(100% 100%, -120% 100%, 100% -120%);
    z-index: 2;
}

/* Horizontal Manual Gallery Slider */
.gallery-slider-outer {
    position: relative;
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 10px;
}

.gallery-slider-track {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    padding: 15px 0;
    scrollbar-width: thin;
    scrollbar-color: var(--gold-dark) var(--bg-primary);
}

.gallery-slider-track::-webkit-scrollbar {
    height: 4px;
}
.gallery-slider-track::-webkit-scrollbar-track {
    background: rgba(212, 175, 55, 0.05);
}
.gallery-slider-track::-webkit-scrollbar-thumb {
    background: var(--gold-dark);
}
.gallery-slider-track::-webkit-scrollbar-thumb:hover {
    background: var(--gold-primary);
}

.gallery-slide-card {
    flex: 0 0 calc(33.333% - 16px);
    scroll-snap-align: start;
    border: 1px solid transparent;
    border-image: linear-gradient(135deg, rgba(212, 175, 55, 0.15) 0%, rgba(212, 175, 55, 0.15) 100%) 1;
    background-color: rgba(10, 10, 10, 0.95);
    padding: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-slide-card:hover {
    border-image: var(--gold-metallic-border);
    box-shadow: 0 15px 30px rgba(212, 175, 55, 0.08);
}

.gallery-image-wrapper {
    width: 100%;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color); /* Inner gold border */
}

.gallery-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-slide-card:hover .gallery-img {
    transform: scale(1.06);
}

/* Navigation Arrow Buttons (Square & Straight Lines only) */
.gallery-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: rgba(5, 5, 5, 0.9);
    border: 1px solid var(--border-color);
    color: var(--gold-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.gallery-nav-btn svg {
    width: 20px;
    height: 20px;
}

.gallery-nav-btn:hover {
    border-color: var(--gold-primary);
    background: var(--gold-gradient);
    color: var(--bg-primary);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
}

.gallery-nav-btn.prev {
    left: -60px;
}

.gallery-nav-btn.next {
    right: -60px;
}

.gallery-hint {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 30px;
}

/* Gallery Section */
.gallery-section {
    background: radial-gradient(circle at center, rgba(212, 175, 55, 0.06) 0%, rgba(0, 0, 0, 0) 80%),
                linear-gradient(180deg, #000000 0%, #080808 50%, #000000 100%);
    border-bottom: 1px solid rgba(212, 175, 55, 0.08);
}

.system-tables {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 45px;
}

.system-table-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color-light);
    padding: 30px;
    transition: border-color var(--transition-speed) ease;
}

.system-table-card:hover {
    border-color: var(--border-color);
}

.table-card-title {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    color: var(--text-gold);
    letter-spacing: 0.1em;
    margin-bottom: 25px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color-light);
}

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

.system-table th, .system-table td {
    padding: 14px 0;
    font-size: 0.9rem;
}

.system-table th {
    text-align: left;
    font-weight: 400;
    color: var(--text-muted);
}

.system-table td {
    text-align: right;
    font-weight: 600;
    font-family: var(--font-serif);
    color: var(--text-white);
}

.system-table tr:not(:last-child) {
    border-bottom: 1px solid #1c1c1c;
}

.system-notes {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 8px;
}

/* Info & Access Section */
.access-section {
    background: radial-gradient(circle at 75% 50%, rgba(212, 175, 55, 0.05) 0%, rgba(0, 0, 0, 0) 70%),
                #000000;
}

.access-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: stretch;
}

.info-details {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.info-logo {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-bottom: 40px;
}

.logo-sub {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.4em;
    text-transform: uppercase;
    margin-top: 5px;
}

.details-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.details-item {
    display: flex;
    flex-direction: column;
    border-left: 2px solid transparent;
    border-image: linear-gradient(to bottom, #f3e5ab, #d4af37, #aa7c11) 1 100%;
    padding-left: 20px;
    transition: transform var(--transition-speed) ease;
}

.details-item:hover {
    transform: translateX(4px);
}

.details-label {
    font-size: 0.75rem;
    color: var(--gold-primary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 6px;
    font-weight: 600;
}

.details-value {
    font-size: 0.95rem;
    color: var(--text-white);
    line-height: 1.6;
}

.tel-link {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-gold);
}

.tel-link:hover {
    color: var(--text-white);
}

/* Google Map styling */
.map-container-outer {
    border: 1px solid transparent;
    border-image: var(--gold-metallic-border);
    padding: 8px;
    min-height: 400px;
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.map-inner-frame {
    border: 1px solid rgba(212, 175, 55, 0.2);
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

/* Google Map iframe Filter to create dark-theme */
#google-map-iframe {
    filter: invert(90%) hue-rotate(180deg) contrast(110%) saturate(60%) grayscale(100%);
    transition: filter var(--transition-speed) ease;
}

#google-map-iframe:hover {
    filter: invert(90%) hue-rotate(180deg) contrast(110%) saturate(100%) grayscale(60%);
}

/* Reservation / Contact Section */
.contact-section {
    background: radial-gradient(circle at center, rgba(212, 175, 55, 0.08) 0%, rgba(0, 0, 0, 0) 70%),
                linear-gradient(180deg, #000000 0%, #080808 100%);
}

.contact-card {
    border: 1px solid transparent;
    border-image: var(--gold-metallic-border);
    padding: 8px;
    max-width: 900px;
    margin: 0 auto;
    background: rgba(5, 5, 5, 0.9);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
}

.contact-card::before {
    display: none; /* remove any absolute decorations */
}

.contact-card-inner {
    border: 1px solid transparent;
    border-image: linear-gradient(135deg, rgba(212, 175, 55, 0.15) 0%, rgba(212, 175, 55, 0.4) 50%, rgba(212, 175, 55, 0.15) 100%) 1;
    padding: 60px 40px;
    text-align: center;
    background: rgba(10, 10, 10, 0.85);
}

.contact-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
    text-shadow: 0 0 12px rgba(212, 175, 55, 0.2);
}

.contact-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 45px;
}

.contact-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.btn-contact-action {
    border: 1px solid transparent;
    border-image: linear-gradient(135deg, #aa7c11, #d4af37, #aa7c11) 1;
    background: linear-gradient(135deg, rgba(15, 15, 15, 0.9) 0%, rgba(5, 5, 5, 0.98) 100%);
    color: var(--text-white);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.btn-contact-action::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.1) 30%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0.1) 70%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: skewX(-25deg);
    transition: none;
    pointer-events: none;
}

.btn-contact-action:hover {
    border-image: var(--gold-metallic-border);
    background: linear-gradient(135deg, rgba(30, 25, 10, 0.9) 0%, rgba(10, 10, 10, 0.98) 100%);
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.15);
    transform: translateY(-2px);
}

.btn-contact-action:hover::before {
    animation: shimmerSweep 1.5s infinite;
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.btn-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 4px;
}

.btn-value {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-gold);
    letter-spacing: 0.05em;
}

/* Footer styling */
.site-footer {
    background: #000000;
    border-top: 1px solid var(--border-color-light);
    padding: 40px 0;
    text-align: center;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.footer-logo {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.04em;
}

.footer-copy {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Keyframe Animations
   ========================================================================== */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes scaleWidth {
    from {
        width: 0;
    }
    to {
        width: 80px;
    }
}

@keyframes scrollDownIndicator {
    0% {
        top: -50%;
    }
    50% {
        top: 100%;
    }
    100% {
        top: 100%;
    }
}

@keyframes shimmerSweep {
    0% {
        left: -100%;
    }
    100% {
        left: 200%;
    }
}

/* ==========================================================================
   Responsive Media Queries (Responsive Layout Enhancements)
   ========================================================================== */

/* Large screens and desktop scaling styling */
@media screen and (max-width: 1280px) {
    .prev-btn {
        left: 10px;
    }
    .next-btn {
        right: 10px;
    }
}

/* Tablets / Medium Screens */
@media screen and (max-width: 968px) {
    /* Responsive layout for gallery slider on tablets: 2 cards view */
    .gallery-slide-card {
        flex: 0 0 calc(50% - 12px);
    }

    .system-tables {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .access-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .map-container-outer {
        min-height: 350px;
    }

    .contact-actions {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* Mobile Devices */
@media screen and (max-width: 768px) {
    body {
        font-size: 15px;
    }
    
    section {
        padding: 80px 0;
    }

    .br-mobile {
        display: block;
    }

    .section-container {
        padding: 0 20px;
    }

    .producer-greeting.lang-jp {
        font-size: clamp(10px, 2.7vw, 13px);
        letter-spacing: 0.02em;
        line-height: 2.1;
        white-space: nowrap;
    }

    .header-right {
        gap: 16px; /* Tighter gap on mobile responsive layout */
    }

    .site-header .lang-switcher {
        display: none !important; /* Hide language toggle in header on mobile */
    }

    .site-header .header-insta-link {
        display: none !important; /* Hide Instagram icon in header on mobile */
    }

    /* Hero Mobile Controls */
    .hero-mobile-controls {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 20px;
        margin-top: 35px;
        animation: fadeInUp 1.5s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
    }

    .hero-mobile-controls .lang-switcher {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .hero-insta-link {
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--gold-primary);
        transition: color var(--transition-speed) ease;
    }

    .hero-insta-link:hover {
        color: var(--text-white);
    }

    .hero-insta-link svg {
        width: 24px;
        height: 24px;
    }

    /* Mobile toggle button layout */
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-desktop {
        display: none; /* Hide desktop menu */
    }

    /* Animation for hamburger when active */
    .mobile-menu-toggle.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .mobile-menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Hero section resizing */
    .hero-title {
        font-size: 3rem;
        letter-spacing: 0.01em;
        margin-left: 0.01em;
    }
    .hero-subtitle {
        font-size: 0.85rem;
        letter-spacing: 0.2em;
    }

    .concept-frame-inner {
        padding: 40px 20px;
    }

    .concept-lead {
        font-size: 1.25rem;
    }

    /* Mobile overrides for gallery slider */
    .gallery-slider-outer {
        margin: 20px auto;
        padding: 0;
    }

    .gallery-slide-card {
        flex: 0 0 85%;
    }

    .gallery-nav-btn {
        display: none; /* Hide navigation arrows on mobile touch devices */
    }

    .info-logo {
        font-size: 1.8rem;
        text-align: center;
    }

    .details-item {
        padding-left: 15px;
    }

    .contact-card {
        border: none;
        padding: 0;
    }

    .contact-card-inner {
        padding: 40px 20px;
    }

    .contact-title {
        font-size: 1.4rem;
    }

    .btn-contact-action {
        padding: 16px 20px;
    }

    .btn-icon svg {
        width: 24px;
        height: 24px;
    }

    .btn-value {
        font-size: 1rem;
    }
}