:root {
    --bg-color: #F5F5F0;
    --main-color: #E0DFD5;
    --accent-color: #C5A059;
    --text-color: #4A4A4A;
    --line-green: #06C755;
    --white: #FFFFFF;
    
    --font-serif: "Playfair Display", serif;
    --font-sans: "Noto Sans JP", sans-serif;
    
    --spacing-xs: 8px;
    --spacing-s: 16px;
    --spacing-m: 32px;
    --spacing-l: 64px;
    --spacing-xl: 120px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    line-height: 1.8;
    letter-spacing: 0.05em;
}

h1, h2, h3, .logo, .en {
    font-family: var(--font-serif);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-m);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(245, 245, 240, 0.9);
    backdrop-filter: blur(5px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-s) var(--spacing-m);
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--accent-color);
}

nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-m);
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.9rem;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: var(--accent-color);
}

/* Section Common */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-l);
}

.section-title .en {
    display: block;
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.3em;
}

.section-title h2 {
    font-size: 2rem;
    font-weight: 400;
}

/* Hero */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0;
}

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

.hero-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.85);
}

.hero-content {
    text-align: center;
    color: var(--white);
    text-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.hero-content h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-m);
    line-height: 1.4;
    font-weight: 400;
}

.hero-content p {
    font-size: 1.1rem;
    letter-spacing: 0.2em;
}

/* Concept */
.concept-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.concept-content p {
    margin-bottom: var(--spacing-m);
}

/* Menu */
.menu-table-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

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

.menu-table th, .menu-table td {
    padding: var(--spacing-m) 0;
    border-bottom: 1px solid var(--main-color);
}

.menu-table th {
    text-align: left;
    font-weight: 400;
}

.menu-table td {
    text-align: right;
    font-family: var(--font-serif);
    font-size: 1.2rem;
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-m);
}

.gallery-item {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background-color: var(--main-color);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* FAQ */
.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

details {
    background: var(--white);
    margin-bottom: var(--spacing-s);
    padding: var(--spacing-m);
    border-radius: 4px;
    transition: all 0.3s;
}

summary {
    cursor: pointer;
    font-weight: 500;
    list-style: none;
    position: relative;
    padding-right: 30px;
}

summary::after {
    content: '+';
    position: absolute;
    right: 0;
    color: var(--accent-color);
}

details[open] summary::after {
    content: '-';
}

details p {
    margin-top: var(--spacing-s);
    font-size: 0.95rem;
    color: #666;
}

/* Access */
.access-info {
    text-align: center;
}

.access-info p {
    margin-bottom: var(--spacing-s);
}

.access-info .note {
    font-size: 0.85rem;
    color: #888;
}

/* Booking */
.booking {
    background: var(--main-color);
    padding: var(--spacing-xl) 0;
}

.booking-card {
    background: var(--white);
    padding: var(--spacing-l);
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.booking-card h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-s);
}

.booking-card p {
    margin-bottom: var(--spacing-l);
}

.btn-line {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--line-green);
    color: var(--white);
    text-decoration: none;
    padding: 20px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.2rem;
    transition: transform 0.3s, background-color 0.3s;
    width: 100%;
    max-width: 400px;
}

.btn-line:hover {
    background-color: #05b14c;
    transform: translateY(-3px);
}

.line-icon {
    width: 30px;
    margin-right: 15px;
}

/* Footer */
footer {
    text-align: center;
    padding: var(--spacing-l) 0;
    background: var(--bg-color);
    border-top: 1px solid var(--main-color);
}

footer p {
    font-size: 0.8rem;
    color: #999;
}

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

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

/* Responsive */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 80px;
        --spacing-l: 40px;
    }
    
    nav ul {
        display: none;
    }
    
    .section-title h2 {
        font-size: 1.6rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .booking-card {
        padding: var(--spacing-m);
    }
    
    .btn-line {
        padding: 15px 25px;
        font-size: 1rem;
    }
}