@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=Noto+Serif+JP:wght@600;700&display=swap');

:root {
    --bg-color: #F9F7F2;
    --text-color: #1A1A1B;
    --text-muted: #555555;
    --accent-color: #A67C52;
    --accent-dark: #8E6642;
    --cta-color: #B33939;
    --cta-hover: #9E2E2E;
    --white: #FFFFFF;
    --black: #000000;
    --container-width: 1100px;
    --transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .serif {
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

.section {
    padding: 120px 0;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-weight: 700;
    border-radius: 4px;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--cta-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(179, 57, 57, 0.2);
}

.btn-outline {
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
}

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

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(249, 247, 242, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

header.scrolled {
    padding: 10px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo img {
    height: 60px;
    width: auto;
}

.nav-list {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

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

.header-cta .btn {
    padding: 10px 24px;
    font-size: 14px;
}

/* Hero */
.hero {
    height: 100vh;
    min-height: 700px;
    position: relative;
    display: flex;
    align-items: center;
    color: var(--white);
    background-color: var(--black);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.3)), url('../外観/line_oa_chat_260331_182612_group_1.jpg');
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.hero-inner {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-sub {
    font-size: 18px;
    letter-spacing: 0.3em;
    margin-bottom: 24px;
    display: block;
}

.hero-title {
    font-size: 64px;
    line-height: 1.3;
    margin-bottom: 40px;
}

/* Section Titles */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-label {
    display: block;
    font-size: 14px;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 8px;
}

.section-title {
    font-size: 36px;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 1px;
    background-color: var(--accent-color);
}

/* Strength Cards */
.strength-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.strength-card {
    background-color: var(--white);
    padding: 0;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    transition: var(--transition);
    overflow: hidden;
}

.strength-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
}

.strength-icon {
    margin-bottom: 0;
}

.strength-icon img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 0;
    display: block;
    margin-bottom: 0;
}

.strength-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
    padding: 40px 40px 0;
}

.strength-card p {
    padding: 0 40px 40px;
}

/* Concept Section */
.concept {
    background-color: #F0EEE9;
}

.concept-inner {
    display: flex;
    align-items: center;
    gap: 80px;
}

.concept-img {
    flex: 1;
    position: relative;
}


.concept-content {
    flex: 1.2;
}

.concept-content .serif-lead {
    font-size: 28px;
    line-height: 1.6;
    margin-bottom: 32px;
}

/* Menu Section */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.menu-item {
    position: relative;
    overflow: hidden;
}

.menu-img-wrapper {
    aspect-ratio: 3 / 4; /* Elegant vertical ratio */
    overflow: hidden;
    margin-bottom: 24px;
    background-color: #f0f0f0; 
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
}

.menu-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Unified orientation allows for clean cover fit */
    transition: var(--transition);
}

.menu-item:hover .menu-img-wrapper img {
    transform: scale(1.1);
}

.menu-info {
    text-align: center;
}

.menu-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

/* Events Section */
.events {
    background-color: var(--text-color);
    color: var(--white);
}

.event-box {
    border: 1px solid rgba(255,255,255,0.2);
    padding: 60px;
    text-align: center;
}

/* Access Section */
.access-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.map-container {
    height: 400px;
    background-color: #ddd;
}

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

.info-table tr {
    border-bottom: 1px solid #eee;
}

.info-table th {
    text-align: left;
    padding: 20px 0;
    width: 120px;
    font-size: 14px;
    color: var(--text-muted);
}

.info-table td {
    padding: 20px 0;
    font-size: 16px;
}

/* Coupon Section */
.coupon {
    background-color: var(--white);
    border: 2px dashed var(--cta-color);
    padding: 40px;
    text-align: center;
    margin-top: 60px;
}

/* Footer */
footer {
    padding: 80px 0 40px;
    background-color: #EAE5DD;
    color: var(--text-muted);
}

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

.footer-logo {
    margin-bottom: 32px;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 32px;
}

.copyright {
    font-size: 12px;
}

/* Mobile Adjustments */
@media (max-width: 968px) {
    .hero-title { font-size: 40px; }
    .concept-inner { flex-direction: column; gap: 40px; }
    .strength-grid { grid-template-columns: 1fr; }
    .menu-grid { grid-template-columns: 1fr 1fr; }
    .access-grid { grid-template-columns: 1fr; gap: 40px; }
    .header-inner { padding: 0 16px; }
    .nav-list { display: none; }
}

@media (max-width: 600px) {
    .menu-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 32px; }
    .section { padding: 60px 0; }
    .info-table th { width: 100px; padding: 12px 0; font-size: 13px; }
    .info-table td { padding: 12px 0; font-size: 14px; }
    .coupon { padding: 24px; margin-top: 40px; }
    .coupon h4 { font-size: 18px; }
    .coupon p { font-size: 14px; }
    .access-map iframe { height: 300px; }
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: 1s all ease;
}

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