/* =====================
   Design Tokens
   ===================== */
:root {
  --color-bg: #0e0c0a;
  --color-surface: #181410;
  --color-surface-2: #211d18;
  --color-gold: #c9a84c;
  --color-gold-light: #e2c97e;
  --color-text: #e8e0d0;
  --color-text-muted: #9a8f7e;
  --color-border: #2e2820;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Noto Sans JP', sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;
  --text-hero: clamp(3.5rem, 2rem + 6vw, 7rem);

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;

  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --max-width: 960px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--text-base);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

/* =====================
   Header
   ===================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(14, 12, 10, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 300;
  letter-spacing: 0.25em;
  color: var(--color-gold);
  transition: opacity var(--duration-fast);
}

.logo:hover {
  opacity: 0.75;
}

.nav-list {
  display: flex;
  gap: var(--space-md);
}

.nav-list a {
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
}

.nav-list a:hover {
  color: var(--color-gold-light);
}

/* =====================
   Hero
   ===================== */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(201, 168, 76, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 50% 80% at 20% 80%, rgba(201, 168, 76, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-sub {
  font-size: var(--text-xs);
  letter-spacing: 0.4em;
  color: var(--color-gold);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.hero-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

.btn-hero {
  display: inline-block;
  padding: 0.75rem 2.5rem;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  font-size: var(--text-xs);
  letter-spacing: 0.25em;
  transition: background-color var(--duration-normal) var(--ease-out),
              color var(--duration-normal) var(--ease-out);
}

.btn-hero:hover {
  background-color: var(--color-gold);
  color: var(--color-bg);
}

/* =====================
   Sections — Common
   ===================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background-color: var(--color-gold);
  margin: var(--space-sm) auto 0;
  opacity: 0.5;
}

/* =====================
   Menu Section
   ===================== */
.section-menu {
  padding: var(--space-xl) 0;
  background-color: var(--color-surface);
}

.section-note {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: calc(-1 * var(--space-md));
  margin-bottom: var(--space-lg);
}

/* SPHYNXおすすめバナー */
.menu-special {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.menu-special-item {
  border: 1px solid var(--color-gold);
  color: var(--color-gold-light);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  padding: 0.5rem 1.5rem;
}

/* メニュー下部の補足文 */
.menu-more {
  margin-top: var(--space-lg);
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.9;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-lg);
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
}

.menu-category {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
}

.category-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  letter-spacing: 0.25em;
  color: var(--color-gold-light);
  margin-bottom: var(--space-md);
}

.menu-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.menu-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

.item-name {
  color: var(--color-text);
}

.item-price {
  color: var(--color-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

/* =====================
   Access Section
   ===================== */
.section-access {
  padding: var(--space-xl) 0;
  background-color: var(--color-bg);
}

.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.info-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.info-row dt {
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--color-gold);
  padding-top: 0.15em;
}

.info-row dd a {
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
}

.info-row dd a:hover {
  color: var(--color-gold-light);
}

.hours-label {
  display: inline-block;
  width: 4.5em;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-gold);
}

.info-row dd small {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.hours-note {
  margin-top: var(--space-sm);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.access-map {
  position: sticky;
  top: calc(64px + var(--space-md));
}

/* Google Maps iframe */
.access-map iframe {
  width: 100%;
  height: 360px;
  border: none;
  filter: grayscale(30%) brightness(0.85);
}

/* マップ未設定時のプレースホルダー */
.map-placeholder {
  width: 100%;
  height: 360px;
  background-color: var(--color-surface-2);
  border: 1px dashed var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  text-align: center;
  padding: var(--space-md);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.map-hint {
  font-size: var(--text-xs);
  opacity: 0.6;
  max-width: 24em;
}

/* =====================
   Footer
   ===================== */
.site-footer {
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

/* =====================
   Responsive
   ===================== */
@media (max-width: 768px) {
  .access-grid {
    grid-template-columns: 1fr;
  }

  .access-map {
    position: static;
  }

  .info-row {
    grid-template-columns: 70px 1fr;
  }

  .header-inner {
    padding: var(--space-sm);
  }
}

@media (max-width: 480px) {
  .menu-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn-hero,
  .logo,
  .nav-list a {
    transition: none;
  }
}