:root {
    --bg-color: #000000;
    --bg-secondary: #111111;
    --text-color: #ffffff;
    --accent-color: #d4af37;
    /* Gold */
    --accent-hover: #f5c74e;
    --text-muted: #888888;
    --font-main: 'Inter', sans-serif;
    --font-jp: 'Noto Sans JP', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger .bar {
    width: 100%;
    height: 3px;
    background-color: var(--text-color);
    transition: all 0.3s ease;
}

.nav-menu {
    display: flex;
}

.nav-menu ul {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

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

.nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    /* Background moved to .hero-bg-anim */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    animation: fadeIn 2s ease;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 5px;
    margin-bottom: 1rem;
    text-transform: uppercase;
    background: linear-gradient(to right, #fff, #999);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    letter-spacing: 3px;
    color: var(--accent-color);
}

/* Sections General */
.section {
    padding: 6rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    letter-spacing: 4px;
    color: var(--accent-color);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
    margin: 1rem auto 0;
}

/* System Section */
.system-card {
    background: var(--bg-secondary);
    border: 1px solid #333;
    padding: 3rem;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.system-heading {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    letter-spacing: 2px;
}

.system-heading .small {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

.price-row {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.price-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.price-item .label {
    font-size: 1rem;
    color: var(--text-muted);
    letter-spacing: 2px;
}

.price-item .price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
}

.extension-row {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.extension-row .price {
    color: var(--accent-color);
    font-weight: 700;
    margin-left: 1rem;
}

.note {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2rem;
}

/* Menu Section */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
}

.category-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid #333;
    padding-bottom: 0.5rem;
    color: var(--accent-color);
    letter-spacing: 2px;
}

.menu-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.menu-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 0.95rem;
}

.menu-item .name {
    color: #e0e0e0;
}

.menu-item .price {
    color: var(--accent-color);
    font-weight: 700;
}

.menu-sub-category {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 1px;
}

.menu-separator {
    height: 1px;
    background-color: #333;
    margin: 1rem 0;
}

/* Access Section */
.access {
    background: radial-gradient(circle at center, #222 0%, #000 100%);
}

.access-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.map-container {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #333;
    filter: grayscale(100%) invert(92%) contrast(83%);
    /* Dark map style */
}

.info-container {
    text-align: center;
    font-size: 1.1rem;
    line-height: 2;
}

.address {
    margin-bottom: 1rem;
}

.hours {
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1.3rem;
}

/* Recruit Section */
.recruit {
    text-align: center;
    padding: 4rem 2rem;
    background-color: #0a0a0a;
}

.recruit-text {
    font-size: 1.5rem;
    color: var(--text-muted);
    letter-spacing: 3px;
}

/* Footer */
.footer {
    padding: 2rem;
    background-color: #000;
    border-top: 1px solid #222;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.copyright {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.social-link {
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.social-link:hover {
    color: var(--accent-color);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.95);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.3s ease;
        z-index: 1000;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu ul {
        flex-direction: column;
        gap: 3rem;
        text-align: center;
    }

    .nav-link {
        font-size: 1.2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .price-row {
        gap: 2rem;
    }

    .menu-grid {
        grid-template-columns: 1fr;
    }

    /* Hamburger Animation */
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
}

/* Banners Section */
.banners-section {
    padding: 2rem 0;
    background-color: var(--bg-color);
}

.banner-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1rem;
}

.banner-link {
    display: block;
    width: 100%;
    transition: transform 0.3s ease;
}

.banner-link:hover {
    transform: scale(1.02);
}

.banner-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}

/* Page Content (Recruit / Coupon) */
.page-content {
    min-height: 60vh;
    padding-top: 8rem;
    /* Account for fixed header */
}

.content-box {
    background: var(--bg-secondary);
    border: 1px solid #333;
    padding: 3rem;
    text-align: center;
    border-radius: 8px;
    font-size: 1.2rem;
    line-height: 2;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Hero Animation */
.hero {
    overflow: hidden;
}

.hero-bg-anim {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1514362545857-3bc16c4c7d1b?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    animation: zoomIn 20s infinite alternate;
    z-index: 0;
}

@keyframes zoomIn {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.1);
    }
}

/* Recruit Form */
.recruit-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.9rem;
    color: var(--accent-color);
    letter-spacing: 1px;
}

.form-input,
.form-textarea {
    background: #000;
    border: 1px solid #333;
    padding: 1rem;
    color: #fff;
    font-family: inherit;
    border-radius: 4px;
    transition: border-color 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    background: var(--accent-color);
    color: #000;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
    align-self: center;
    margin-top: 1rem;
    letter-spacing: 2px;
}

.form-submit:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}