@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;500;600;700&family=Noto+Sans+JP:wght@300;400;500;600&display=swap');

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

:root {
  /* Color Tokens */
  --color-bg: #121212;
  --color-surface: #1e1e1e;
  --color-text-main: #f5f5f0;
  --color-text-sub: #a0a0a0;
  --color-accent: #c0a47d;
  --color-border: #333333;

  /* Typography */
  --font-serif: 'Noto Serif JP', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text-main);
  font-family: var(--font-sans);
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

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

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: rgba(18, 18, 18, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.nav-links a {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}

/* Mobile Menu Button */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-main);
  cursor: pointer;
  padding: 0.25rem;
}

.nav-toggle svg {
  width: 24px;
  height: 24px;
}

/* Mobile Menu */
.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem 0 1rem;
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile a {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  transition: color 0.3s;
}

.nav-mobile a:hover,
.nav-mobile a.active {
  color: var(--color-accent);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .nav-toggle {
    display: block;
  }
}

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

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.02'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(18,18,18,0.4), transparent, var(--color-bg));
}

.hero-text {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
}

.vertical-text {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: 0.3em;
}

@media (min-width: 769px) {
  .hero-text {
    gap: 6rem;
  }
}

/* ===== Section Common ===== */
.section {
  padding: 5rem 1.5rem;
  position: relative;
}

.section--surface {
  background-color: var(--color-surface);
}

.section-label {
  color: var(--color-accent);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.section-divider {
  width: 4rem;
  height: 1px;
  background-color: var(--color-accent);
  margin: 0 auto 2rem;
}

@media (min-width: 769px) {
  .section {
    padding: 8rem 1.5rem;
  }
}

/* ===== Concept Section ===== */
.concept {
  max-width: 56rem;
  margin: 0 auto;
  text-align: center;
}

.concept p {
  color: var(--color-text-sub);
  font-family: var(--font-sans);
  line-height: 2;
}

.concept p.lead {
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

.concept p.sub {
  font-size: 1rem;
}

/* ===== Seasonal Pairing ===== */
.pairing-grid {
  max-width: 72rem;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 769px) {
  .pairing-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.pairing-card .card-img {
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.pairing-card .card-img img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: transform 0.7s;
}

.pairing-card:hover .card-img img {
  transform: scale(1.05);
}

.pairing-card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.pairing-card p {
  color: var(--color-text-sub);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.8;
}

/* ===== Craftsmanship ===== */
.craft-grid {
  max-width: 64rem;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 769px) {
  .craft-grid {
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
  }
}

.craft-text p {
  color: var(--color-text-sub);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 2;
  margin-bottom: 1.5rem;
}

.craft-img img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

/* ===== Menu Page ===== */
.page-header {
  padding: 6rem 1.5rem 4rem;
  text-align: center;
}

.page-header .section-title {
  font-size: clamp(2rem, 5vw, 3rem);
}

.page-header .subtitle {
  color: var(--color-text-sub);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.8;
}

/* Menu Categories */
.menu-section {
  padding: 4rem 1.5rem;
}

.menu-section--surface {
  background-color: var(--color-surface);
}

.menu-category {
  max-width: 56rem;
  margin: 0 auto;
}

.menu-category-header {
  margin-bottom: 3rem;
}

.menu-category-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.menu-category-header p {
  color: var(--color-text-sub);
  font-family: var(--font-sans);
  font-size: 0.875rem;
}

/* Menu Items */
.menu-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.menu-item {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1.5rem;
}

.menu-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.menu-item-name {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.menu-item-region {
  color: var(--color-accent);
  font-family: var(--font-sans);
  font-size: 0.875rem;
}

.menu-item-price {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 500;
  white-space: nowrap;
  margin-left: 1rem;
}

.menu-item-desc {
  color: var(--color-text-sub);
  font-family: var(--font-sans);
  font-size: 0.875rem;
}

/* Appetizer Grid */
.menu-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 769px) {
  .menu-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== Access Page ===== */
.access-image {
  max-width: 64rem;
  margin: 0 auto 4rem;
  padding: 0 1.5rem;
}

.access-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.access-grid {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 769px) {
  .access-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.access-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.access-icon {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

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

.access-item h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.access-item p {
  color: var(--color-text-sub);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.8;
}

.access-item .note {
  font-size: 0.875rem;
  margin-top: 0.75rem;
}

/* Map */
.map-wrapper {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.map-container {
  background-color: var(--color-surface);
  padding: 1rem;
}

@media (min-width: 769px) {
  .map-container {
    padding: 2rem;
  }
}

.map-container iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  filter: grayscale(100%) invert(90%) contrast(90%);
}

.map-note {
  text-align: center;
  margin-top: 2rem;
  color: var(--color-text-sub);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.8;
}

/* Notice Box */
.notice-box {
  max-width: 48rem;
  margin: 4rem auto 0;
  padding: 0 1.5rem;
}

.notice-box-inner {
  background-color: var(--color-surface);
  padding: 2rem;
}

@media (min-width: 769px) {
  .notice-box-inner {
    padding: 3rem;
  }
}

.notice-box h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  text-align: center;
  margin-bottom: 1.5rem;
}

.notice-box ul {
  color: var(--color-text-sub);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.8;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ===== Footer ===== */
.footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  margin-top: 8rem;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 769px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.footer h3 {
  font-family: var(--font-serif);
  margin-bottom: 1rem;
}

.footer h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.footer p,
.footer-info {
  color: var(--color-text-sub);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.8;
}

.footer-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.footer-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.footer-social a {
  color: var(--color-text-sub);
  transition: color 0.3s;
}

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

.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-bottom p {
  color: var(--color-text-sub);
  font-family: var(--font-sans);
  font-size: 0.75rem;
}