/* ===================================================
   美食酒場 No.19 - style.css
   Design: Wood × Japanese Modern Adult Izakaya
   Revision: Lighter Wood Base Theme
   =================================================== */

/* ===== 1. CUSTOM PROPERTIES ===== */
:root {
  /* Wood Color Palette (Lighter Warm Wood) */
  --wood-darkest:   #3d2818; /* Overall background */
  --wood-dark:      #4e3623; /* Dark wood panel background */
  --wood-mid:       #634731; /* Midtone wood */
  --wood-warm:      #7c5c43; /* Warm oak tone */
  --wood-base:      #99775b; /* Natural wood base */
  --wood-light:     #b89679; /* Light oak highlight */
  --wood-highlight: #d6b79c; /* Bright highlight */
  --wood-grain:     #523a26; /* Wood grain lines */

  /* Accent */
  --gold:           #dfb059; /* Amber gold */
  --gold-light:     #ebd09a;
  --gold-muted:     #af863f;
  --gold-pale:      #fbf3e2;

  /* Text */
  --txt-primary:    #ffffff; /* Main white text */
  --txt-secondary:  #fbf4eb; /* Creamy off-white text */
  --txt-muted:      #ebd9c3; /* Highly readable warm beige */
  --txt-faint:      #cfbda8; /* Muted assistant text */

  /* Surface */
  --surface-1:      #452f1e;
  --surface-2:      #523926;
  --surface-3:      #634732;
  --surface-card:   #4b3321;
  --border:         rgba(235, 210, 180, 0.28);
  --border-warm:    rgba(235, 210, 180, 0.45);

  /* Typography */
  --ff-serif: 'Noto Serif JP', serif;
  --ff-sans:  'Noto Sans JP', sans-serif;
  --ff-en:    'Cinzel', serif;

  /* Spacing */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  6rem;

  /* Layout */
  --max-width: 1100px;
  --header-h:  72px;

  /* Transitions */
  --ease:     cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 0.2s;
  --dur-mid:  0.4s;
  --dur-slow: 0.7s;
}

/* ===== 2. RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  background-color: var(--wood-darkest);
  color: var(--txt-primary);
  font-family: var(--ff-sans);
  font-weight: 300;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---- CSS Wood Grain Texture ---- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    repeating-linear-gradient(
      92deg,
      transparent 0px,
      transparent 18px,
      rgba(120, 80, 50, 0.08) 18px,
      rgba(120, 80, 50, 0.08) 19px
    ),
    repeating-linear-gradient(
      88deg,
      transparent 0px,
      transparent 32px,
      rgba(90, 60, 35, 0.06) 32px,
      rgba(90, 60, 35, 0.06) 33px
    ),
    repeating-linear-gradient(
      91deg,
      transparent 0px,
      transparent 8px,
      rgba(160, 110, 70, 0.05) 8px,
      rgba(160, 110, 70, 0.05) 9px
    );
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { background: none; border: none; cursor: pointer; }

/* ===== 3. PLACEHOLDER IMAGE ===== */
.placeholder-img {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-warm);
  position: relative;
  overflow: hidden;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      transparent 22px,
      rgba(120, 80, 50, 0.14) 22px,
      rgba(120, 80, 50, 0.14) 23px
    ),
    repeating-linear-gradient(
      88deg,
      transparent 0px,
      transparent 46px,
      rgba(90, 60, 35, 0.11) 46px,
      rgba(90, 60, 35, 0.11) 47px
    ),
    repeating-linear-gradient(
      92.5deg,
      transparent 0px,
      transparent 10px,
      rgba(150, 110, 70, 0.07) 10px,
      rgba(150, 110, 70, 0.07) 11px
    ),
    linear-gradient(165deg, #5c4331 0%, #4a3424 40%, #5f4835 70%, #412e1f 100%);
}

.placeholder-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(220, 170, 110, 0.08) 0%,
    transparent 50%,
    rgba(90, 60, 30, 0.1) 100%
  );
}

.placeholder-text {
  font-family: var(--ff-sans);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--txt-faint);
  letter-spacing: 0.12em;
  z-index: 1;
  text-align: center;
  padding: 1rem;
  border: 1px solid rgba(200, 150, 100, 0.2);
}

/* ===== 4. LAYOUT HELPERS ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  position: relative;
  z-index: 1;
}

.section { padding: var(--space-xl) 0; }

/* alternating dark panel */
.section-dark {
  background-color: var(--surface-1);
  position: relative;
}

.section-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      transparent 22px,
      rgba(120, 80, 50, 0.11) 22px,
      rgba(120, 80, 50, 0.11) 23px
    ),
    repeating-linear-gradient(
      88deg,
      transparent 0px,
      transparent 50px,
      rgba(90, 60, 35, 0.09) 50px,
      rgba(90, 60, 35, 0.09) 51px
    );
  pointer-events: none;
}



/* ===== 5. SECTION HEADER ===== */
.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-label {
  font-family: var(--ff-en);
  font-size: 0.68rem;
  letter-spacing: 0.38em;
  color: var(--gold-muted);
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-family: var(--ff-serif);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--txt-primary);
  margin-bottom: 0.75rem;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-muted), var(--gold));
  margin: 0.8rem auto 0;
}

.section-subtitle {
  font-size: 0.83rem;
  color: var(--txt-muted);
  letter-spacing: 0.06em;
  margin-top: 0.75rem;
}

/* ===== 6. BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 0.9rem 2.4rem;
  font-family: var(--ff-sans);
  font-size: 0.83rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  border-radius: 0;
  transition: all var(--dur-mid) var(--ease);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold-muted) 0%, var(--gold) 50%, var(--gold-light) 100%);
  color: var(--wood-darkest);
  border: 1px solid var(--gold);
  font-weight: 500;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(212, 168, 83, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--txt-secondary);
  border: 1px solid var(--border-warm);
}

.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold-muted);
}

.btn-outline:hover {
  background: linear-gradient(135deg, var(--gold-muted), var(--gold));
  color: var(--wood-darkest);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 168, 83, 0.3);
}

.btn-sm { padding: 0.6rem 1.5rem; font-size: 0.78rem; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 900;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition: background var(--dur-mid) var(--ease),
              backdrop-filter var(--dur-mid) var(--ease),
              border-color var(--dur-mid) var(--ease),
              box-shadow var(--dur-mid) var(--ease);
}

/* Inner wood grain line on header */
.site-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--gold-muted) 20%,
    var(--gold) 50%,
    var(--gold-muted) 80%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--dur-mid) var(--ease);
}

.site-header.scrolled {
  background:
    linear-gradient(
      180deg,
      rgba(69, 47, 30, 0.96) 0%,
      rgba(55, 37, 23, 0.94) 100%
    );
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-warm);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.45);
}

.site-header.scrolled::after {
  opacity: 1;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* LOGO */
.logo-link {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  gap: 3px;
  text-decoration: none;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-5px);
  transition: opacity var(--dur-mid) var(--ease), transform var(--dur-mid) var(--ease);
}

.site-header.scrolled .logo-link {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.logo-sub {
  font-family: var(--ff-serif);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--gold-muted);
}

.logo-kana {
  font-size: 0.48rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--txt-faint);
  margin-top: -2px;
  margin-bottom: -1px;
}

.logo-main {
  font-family: var(--ff-serif);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--txt-primary);
}

/* GLOBAL NAV */
.global-nav { display: flex; }

.nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--txt-muted);
  transition: color var(--dur-fast) var(--ease);
  position: relative;
  padding-bottom: 2px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-muted), var(--gold));
  transition: width var(--dur-mid) var(--ease);
}

.nav-link:hover { color: var(--txt-primary); }
.nav-link:hover::after { width: 100%; }

.nav-reserve {
  background: linear-gradient(135deg, var(--gold-muted), var(--gold));
  color: var(--wood-darkest) !important;
  padding: 0.5rem 1.3rem;
  font-weight: 500;
  transition: all var(--dur-mid) var(--ease) !important;
}

.nav-reserve:hover {
  background: linear-gradient(135deg, var(--gold), var(--gold-light)) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(223, 176, 89, 0.35);
}

.nav-reserve::after { display: none !important; }

/* HAMBURGER */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 5px;
  width: 38px;
  height: 38px;
  z-index: 950;
}

.hamburger-line {
  display: block;
  height: 1px;
  background: var(--txt-secondary);
  transition: all var(--dur-mid) var(--ease);
}

.hamburger-line:nth-child(1) { width: 26px; }
.hamburger-line:nth-child(2) { width: 18px; }
.hamburger-line:nth-child(3) { width: 26px; }

.hamburger.is-open .hamburger-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
  width: 24px;
  background: var(--gold);
}
.hamburger.is-open .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: translateX(10px);
}
.hamburger.is-open .hamburger-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
  width: 24px;
  background: var(--gold);
}

/* ===== 8. DRAWER ===== */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(40, 25, 15, 0.7);
  z-index: 910;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-mid) var(--ease);
  backdrop-filter: blur(3px);
}

.drawer-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.drawer-nav {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  max-width: 85vw;
  height: 100%;
  z-index: 920;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border-warm);
  transition: right var(--dur-slow) var(--ease);
  overflow-y: auto;
  /* Wood panel background - lighter */
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      transparent 20px,
      rgba(120, 80, 50, 0.1) 20px,
      rgba(120, 80, 50, 0.1) 21px
    ),
    repeating-linear-gradient(
      88deg,
      transparent 0px,
      transparent 42px,
      rgba(90, 60, 35, 0.08) 42px,
      rgba(90, 60, 35, 0.08) 43px
    ),
    linear-gradient(180deg, #523926 0%, #452f1e 50%, #4c3422 100%);
}

.drawer-nav.is-open { right: 0; }

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid var(--border-warm);
  min-height: var(--header-h);
  background: rgba(55, 37, 23, 0.5);
}

.drawer-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.drawer-logo-sub {
  font-family: var(--ff-serif);
  font-size: 0.65rem;
  color: var(--gold-muted);
  font-weight: 500;
  letter-spacing: 0.15em;
}

.drawer-logo-kana {
  font-size: 0.48rem;
  color: var(--txt-faint);
  font-weight: 400;
  letter-spacing: 0.12em;
  margin-top: -1px;
}

.drawer-logo-main {
  font-family: var(--ff-serif);
  font-size: 0.95rem;
  color: var(--txt-primary);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.drawer-close {
  width: 32px;
  height: 32px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drawer-close span {
  position: absolute;
  display: block;
  width: 18px;
  height: 1px;
  background: var(--txt-muted);
  transition: background var(--dur-fast);
}

.drawer-close span:nth-child(1) { transform: rotate(45deg); }
.drawer-close span:nth-child(2) { transform: rotate(-45deg); }
.drawer-close:hover span { background: var(--gold); }

.drawer-list {
  padding: 1rem 0;
  flex: 1;
}

.drawer-link {
  display: block;
  padding: 1.05rem 1.8rem;
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  color: var(--txt-muted);
  border-bottom: 1px solid rgba(200, 150, 100, 0.15);
  transition: all var(--dur-fast) var(--ease);
  position: relative;
}

.drawer-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--gold-muted), var(--gold));
  transform: scaleY(0);
  transition: transform var(--dur-fast) var(--ease);
}

.drawer-link:hover {
  color: var(--txt-primary);
  background: rgba(220, 170, 110, 0.08);
  padding-left: 2.2rem;
}

.drawer-link:hover::before { transform: scaleY(1); }

.drawer-reserve {
  margin: 1.5rem 1.5rem 1rem;
  display: block;
  text-align: center;
  padding: 0.9rem;
  background: linear-gradient(135deg, var(--gold-muted), var(--gold));
  color: var(--wood-darkest);
  font-weight: 500;
  letter-spacing: 0.18em;
  font-size: 0.85rem;
  border-bottom: none !important;
}

.drawer-reserve:hover {
  background: linear-gradient(135deg, var(--gold), var(--gold-light)) !important;
  padding-left: 0.9rem !important;
  color: var(--wood-darkest) !important;
}

.drawer-reserve::before { display: none !important; }

.drawer-sns {
  padding: 1rem 1.5rem 1.5rem;
  border-top: 1px solid rgba(200, 150, 100, 0.2);
}

.drawer-sns-link {
  font-family: var(--ff-en);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--gold-muted);
  transition: color var(--dur-fast);
}

.drawer-sns-link:hover { color: var(--gold); }

/* ===== 9. HERO ===== */
.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 1;
}

.hero-bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* Wood-toned hero background - lighter oak look */
.hero-photo {
  width: 100%;
  height: 100%;
  position: relative;
  background:
    repeating-linear-gradient(
      92deg,
      transparent 0px,
      transparent 28px,
      rgba(120, 80, 50, 0.14) 28px,
      rgba(120, 80, 50, 0.14) 29px
    ),
    repeating-linear-gradient(
      88deg,
      transparent 0px,
      transparent 55px,
      rgba(90, 60, 35, 0.11) 55px,
      rgba(90, 60, 35, 0.11) 56px
    ),
    repeating-linear-gradient(
      90.8deg,
      transparent 0px,
      transparent 14px,
      rgba(150, 110, 70, 0.08) 14px,
      rgba(150, 110, 70, 0.08) 15px
    ),
    radial-gradient(ellipse at 30% 60%, #7c5c43 0%, #634731 30%, #4e3623 60%, #3d2818 100%);
}

.hero-img-src {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to bottom,
      rgba(35, 22, 12, 0.65) 0%,
      rgba(35, 22, 12, 0.25) 35%,
      rgba(35, 22, 12, 0.55) 65%,
      rgba(22, 11, 4, 0.96) 100%
    ),
    radial-gradient(ellipse at 50% 40%, transparent 20%, rgba(20, 10, 5, 0.68) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 var(--space-md);
  max-width: 820px;
  animation: heroFadeIn 1.2s var(--ease) both;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-catch-en {
  font-family: var(--ff-en);
  font-size: clamp(0.58rem, 1.5vw, 0.72rem);
  letter-spacing: 0.5em;
  color: var(--gold-muted);
  margin-bottom: 1.8rem;
  animation: heroFadeIn 1.2s 0.2s var(--ease) both;
}

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.8rem;
  animation: heroFadeIn 1.2s 0.4s var(--ease) both;
}

.hero-title-sub {
  font-family: var(--ff-serif);
  font-size: clamp(1rem, 2.8vw, 1.35rem);
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--txt-primary);
  margin-bottom: 0.2rem;
}

.hero-title-kana {
  font-family: var(--ff-serif);
  font-size: clamp(0.95rem, 2.4vw, 1.25rem);
  font-weight: 500;
  letter-spacing: 0.2em;
  color: #ffffff;
  margin-top: -0.1rem;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.hero-title-main {
  font-family: var(--ff-serif);
  font-size: clamp(2.2rem, 7.5vw, 4.4rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.1;
  background: linear-gradient(
    135deg,
    var(--txt-primary) 0%,
    var(--gold-pale) 40%,
    var(--gold) 70%,
    var(--gold-light) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: clamp(0.78rem, 1.8vw, 0.88rem);
  color: var(--txt-muted);
  letter-spacing: 0.1em;
  line-height: 2.1;
  margin-bottom: var(--space-md);
  animation: heroFadeIn 1.2s 0.6s var(--ease) both;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  animation: heroFadeIn 1.2s 0.8s var(--ease) both;
}

.br-pc { display: block; }

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 1.2rem;
  left: 0;
  right: 0;
  margin: 0 auto;
  width: fit-content;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 2;
  animation: heroFadeIn 1.2s 1.4s var(--ease) both;
}

.scroll-label {
  font-family: var(--ff-en);
  font-size: 0.58rem;
  letter-spacing: 0.35em;
  color: var(--txt-faint);
}

.scroll-line {
  display: block;
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--gold-muted), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== 10. CONCEPT ===== */
.concept { background-color: transparent; }

/* Subtle grain on concept bg */
.concept::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      transparent 24px,
      rgba(80, 45, 12, 0.07) 24px,
      rgba(80, 45, 12, 0.07) 25px
    );
  pointer-events: none;
}

.concept { position: relative; }

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

/* Wood frame around concept image */
.concept-img-wrap {
  position: relative;
}

.concept-img-wrap::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: 10px;
  bottom: 10px;
  border: 1px solid var(--border-warm);
  z-index: 0;
}

.concept-img-wrap::after {
  content: '';
  position: absolute;
  top: 10px;
  left: 10px;
  right: -10px;
  bottom: -10px;
  border: 1px solid rgba(150, 100, 40, 0.12);
  z-index: 0;
}

.concept-slider {
  position: relative;
  aspect-ratio: 4/3;
  width: 100%;
  overflow: hidden;
  z-index: 1;
  border: 1px solid var(--border-warm);
}

.concept-slider .slide-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: conceptSlideshow 8s infinite ease-in-out;
}

.concept-slider .slide-img:nth-child(1) {
  animation-delay: 0s;
}

.concept-slider .slide-img:nth-child(2) {
  animation-delay: 4s;
}

@keyframes conceptSlideshow {
  0% { opacity: 0; transform: scale(1.04); }
  6% { opacity: 1; }
  44% { opacity: 1; }
  50% { opacity: 0; transform: scale(1); }
  100% { opacity: 0; }
}

.concept-text {
  background: rgba(45, 29, 17, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 2.2rem;
  border: 1px solid var(--border-warm);
}

.concept-heading {
  font-family: var(--ff-serif);
  font-size: clamp(1.1rem, 2.5vw, 1.45rem);
  font-weight: 500;
  color: var(--txt-primary);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.concept-body {
  font-size: 0.87rem;
  color: var(--txt-muted);
  line-height: 2.1;
  margin-bottom: 1.1rem;
}

.concept-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.tag {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--gold-muted);
  border: 1px solid rgba(180, 130, 60, 0.3);
  padding: 0.3rem 0.9rem;
  background: rgba(100, 60, 15, 0.15);
  transition: all var(--dur-fast) var(--ease);
}

.tag:hover {
  background: rgba(180, 130, 60, 0.15);
  border-color: var(--gold-muted);
  color: var(--gold);
}

/* ===== 11. MENU ===== */
.menu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  max-width: 800px;
  margin: 0 auto;
}

.menu-card {
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      transparent 18px,
      rgba(80, 45, 12, 0.06) 18px,
      rgba(80, 45, 12, 0.06) 19px
    ),
    linear-gradient(180deg, var(--surface-2) 0%, var(--surface-card) 100%);
  border: 1px solid var(--border);
  border-top: 2px solid var(--gold-muted);
  overflow: hidden;
  transition: transform var(--dur-mid) var(--ease),
              box-shadow var(--dur-mid) var(--ease),
              border-color var(--dur-mid) var(--ease);
}

.menu-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.55);
  border-color: var(--border-warm);
  border-top-color: var(--gold);
}

.menu-img-wrap {
  overflow: hidden;
  aspect-ratio: 4/3;
  width: 100%;
  border-bottom: 1px solid var(--border);
}

.menu-img {
  aspect-ratio: 4/3;
  width: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease);
}

.menu-card:hover .menu-img { transform: scale(1.04); }

/* Slider for Menu Section (Japanese Creative Dishes) */
.menu-slider-wrap {
  overflow: hidden;
  aspect-ratio: 4/3;
  width: 100%;
  border-bottom: 1px solid var(--border);
}

.menu-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.menu-slider .menu-slide-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: menuSlideshow 15s infinite ease-in-out;
}

.menu-slider .menu-slide-img:nth-child(1) { animation-delay: 0s; }
.menu-slider .menu-slide-img:nth-child(2) { animation-delay: 3s; }
.menu-slider .menu-slide-img:nth-child(3) { animation-delay: 6s; }
.menu-slider .menu-slide-img:nth-child(4) { animation-delay: 9s; }
.menu-slider .menu-slide-img:nth-child(5) { animation-delay: 12s; }

@keyframes menuSlideshow {
  0% { opacity: 0; transform: scale(1.04); }
  3.33% { opacity: 1; }
  20% { opacity: 1; }
  23.33% { opacity: 0; transform: scale(1); }
  100% { opacity: 0; }
}

.menu-card-body { padding: 1.5rem var(--space-md); }

.menu-card-title {
  font-family: var(--ff-serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--txt-primary);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.menu-card-desc {
  font-size: 0.81rem;
  color: var(--txt-muted);
  line-height: 1.95;
}

/* ===== 12. PRIVATE ===== */
/* Wood plank section */
.private {
  position: relative;
  background:
    repeating-linear-gradient(
      91deg,
      transparent 0px,
      transparent 20px,
      rgba(120, 80, 50, 0.1) 20px,
      rgba(120, 80, 50, 0.1) 21px
    ),
    repeating-linear-gradient(
      89deg,
      transparent 0px,
      transparent 40px,
      rgba(90, 60, 35, 0.08) 40px,
      rgba(90, 60, 35, 0.08) 41px
    ),
    linear-gradient(135deg, #4e3623 0%, #452f1e 50%, #523926 100%);
}

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

.private-title {
  font-family: var(--ff-serif);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 500;
  color: var(--txt-primary);
  letter-spacing: 0.12em;
  margin-bottom: var(--space-sm);
}

.private-desc {
  font-size: 0.87rem;
  color: var(--txt-muted);
  line-height: 2.1;
  margin-bottom: var(--space-md);
}

.private-img-wrap { position: relative; }

.private-img-wrap::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 12px;
  right: -12px;
  bottom: -12px;
  border: 1px solid rgba(150, 100, 40, 0.18);
  z-index: 0;
}

.private-img {
  aspect-ratio: 4/3;
  width: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

/* ===== 13. INFO TABLE ===== */
#info {
  background: transparent;
}

.info-wrap {
  max-width: 720px;
  margin: 0 auto;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      transparent 20px,
      rgba(120, 80, 50, 0.08) 20px,
      rgba(120, 80, 50, 0.08) 21px
    ),
    linear-gradient(180deg, rgba(82, 57, 38, 0.82) 0%, rgba(69, 47, 30, 0.82) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-warm);
  border-top: 2px solid var(--gold-muted);
  padding: 0.5rem 0;
}

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

.info-table th,
.info-table td {
  padding: 1.2rem 1.8rem;
  border-bottom: 1px solid rgba(150, 100, 40, 0.1);
  font-size: 0.87rem;
  vertical-align: top;
  text-align: left;
}

.info-table tr:last-child th,
.info-table tr:last-child td { border-bottom: none; }

.info-table th {
  width: 130px;
  font-weight: 400;
  color: var(--gold-muted);
  letter-spacing: 0.12em;
  font-family: var(--ff-serif);
  white-space: nowrap;
}

.info-table td { color: var(--txt-muted); }

.info-tel {
  color: var(--gold);
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  transition: color var(--dur-fast);
}
.info-tel:hover { color: var(--gold-light); }

.hours-list { display: flex; flex-direction: column; gap: 0.35rem; }

.hours-list li {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.day { color: var(--txt-secondary); min-width: 60px; }
.time { color: var(--txt-muted); }
.holiday .day { color: var(--txt-faint); }
.holiday .time { color: var(--gold-muted); font-style: italic; }

/* ===== 14. ACCESS ===== */
.access { background-color: var(--wood-dark); position: relative; }

.access::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      transparent 24px,
      rgba(80, 45, 12, 0.07) 24px,
      rgba(80, 45, 12, 0.07) 25px
    );
  pointer-events: none;
}

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

.access-map {
  aspect-ratio: 4/3;
  background: var(--surface-2);
  border: 1px solid var(--border-warm);
  border-top: 2px solid var(--gold-muted);
  overflow: hidden;
  position: relative;
}

.access-map iframe {
  width: 100%;
  height: 100%;
  filter: sepia(20%) grayscale(10%) contrast(0.95);
}

.access-info {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.access-heading {
  font-family: var(--ff-en);
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--gold-muted);
  letter-spacing: 0.3em;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.access-heading::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-warm), transparent);
}

.access-info p {
  font-size: 0.87rem;
  color: var(--txt-muted);
  line-height: 1.9;
}

.access-tel-num {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--gold);
  letter-spacing: 0.08em;
  transition: color var(--dur-fast);
}

.access-tel-num:hover { color: var(--gold-light); }

/* ===== 15. RESERVE ===== */
.reserve {
  background: transparent;
}

.reserve-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.reserve-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: var(--space-md) var(--space-sm);
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      transparent 16px,
      rgba(120, 80, 50, 0.08) 16px,
      rgba(120, 80, 50, 0.08) 17px
    ),
    linear-gradient(180deg, rgba(82, 57, 38, 0.8) 0%, rgba(69, 47, 30, 0.8) 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-top: 2px solid var(--gold-muted);
  text-align: center;
  transition: all var(--dur-mid) var(--ease);
  min-height: 150px;
}

.reserve-card:hover {
  border-color: var(--border-warm);
  border-top-color: var(--gold);
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      transparent 16px,
      rgba(120, 80, 50, 0.1) 16px,
      rgba(120, 80, 50, 0.1) 17px
    ),
    linear-gradient(180deg, rgba(99, 71, 49, 0.85) 0%, rgba(82, 57, 38, 0.85) 100%);
  transform: translateY(-5px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.5);
}

.reserve-card-label {
  font-family: var(--ff-en);
  font-size: 0.6rem;
  letter-spacing: 0.35em;
  color: var(--gold-muted);
}

.reserve-card-name {
  font-family: var(--ff-serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--txt-primary);
  letter-spacing: 0.1em;
}

.reserve-card-arrow {
  font-size: 0.9rem;
  color: var(--gold-muted);
  transition: transform var(--dur-fast), color var(--dur-fast);
}

.reserve-card:hover .reserve-card-arrow {
  transform: translateX(5px);
  color: var(--gold);
}

.reserve-card-tel-num {
  font-size: 0.82rem;
  color: var(--gold);
  letter-spacing: 0.06em;
}

/* ===== 16. FOOTER ===== */
.site-footer {
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      transparent 20px,
      rgba(120, 80, 50, 0.07) 20px,
      rgba(120, 80, 50, 0.07) 21px
    ),
    repeating-linear-gradient(
      88deg,
      transparent 0px,
      transparent 40px,
      rgba(90, 60, 35, 0.05) 40px,
      rgba(90, 60, 35, 0.05) 41px
    ),
    linear-gradient(180deg, rgba(48, 32, 19, 0.8) 0%, rgba(37, 24, 14, 0.95) 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--border-warm);
  padding: var(--space-lg) 0 var(--space-md);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--gold-muted) 20%,
    var(--gold) 50%,
    var(--gold-muted) 80%,
    transparent 100%
  );
}

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

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(150, 100, 40, 0.15);
}

.footer-logo { display: flex; flex-direction: column; gap: 4px; }

.footer-logo-sub {
  font-family: var(--ff-serif);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--gold-muted);
}

.footer-logo-kana {
  font-size: 0.48rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--txt-faint);
  margin-top: -2px;
  margin-bottom: -1px;
}

.footer-logo-main {
  font-family: var(--ff-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--txt-primary);
  letter-spacing: 0.08em;
}

.footer-sns-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--txt-muted);
  transition: color var(--dur-fast), transform var(--dur-fast);
}

.footer-sns-link:hover {
  color: var(--gold);
  transform: translateY(-2px);
}

.instagram-icon {
  width: 22px;
  height: 22px;
  stroke-width: 1.5;
}

.footer-mid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.footer-col-title {
  font-family: var(--ff-en);
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  color: var(--gold-muted);
  margin-bottom: 0.8rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(150, 100, 40, 0.15);
}

.footer-col p {
  font-size: 0.78rem;
  color: var(--txt-faint);
  line-height: 1.85;
}

.footer-tel {
  font-size: 0.88rem;
  color: var(--txt-faint);
  letter-spacing: 0.06em;
  transition: color var(--dur-fast);
}
.footer-tel:hover { color: var(--gold); }

.footer-reserve-list { display: flex; flex-direction: column; gap: 0.45rem; }

.footer-reserve-list a {
  font-size: 0.78rem;
  color: var(--txt-faint);
  transition: color var(--dur-fast);
}
.footer-reserve-list a:hover { color: var(--gold); }

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(150, 100, 40, 0.12);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 2rem;
}

.footer-nav a {
  font-size: 0.73rem;
  color: var(--txt-faint);
  letter-spacing: 0.08em;
  transition: color var(--dur-fast);
}
.footer-nav a:hover { color: var(--gold); }

.copyright {
  font-size: 0.68rem;
  color: var(--txt-faint);
  letter-spacing: 0.08em;
}



/* ===== 18. FADE-IN ANIMATION ===== */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}

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

/* ===== 19. RESPONSIVE ===== */

/* Tablet & Below (<=900px) */
@media (max-width: 900px) {
  :root { --header-h: 64px; }

  .global-nav { display: none; }
  .hamburger  { display: flex; }

  .concept-grid,
  .private-grid { grid-template-columns: 1fr; }

  .concept-img-wrap::before,
  .concept-img-wrap::after { display: none; }

  .private-img-wrap { order: -1; }
  .private-img-wrap::before { display: none; }

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

  /* reserve section layout to row-style list */
  .reserve-grid {
    grid-template-columns: 1fr;
    gap: 0.8rem;
    max-width: 500px;
    margin: 0 auto;
  }

  .reserve-card {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 1.6rem;
    min-height: auto;
    text-align: left;
  }

  .reserve-card-label {
    min-width: 90px;
    margin-bottom: 0;
    text-align: left;
  }

  .reserve-card-name {
    margin-left: 1rem;
    flex-grow: 1;
    font-size: 0.95rem;
  }

  .reserve-card-arrow {
    margin-left: auto;
  }

  .reserve-card-tel-num {
    margin-left: 1rem;
    font-size: 0.9rem;
    font-weight: 400;
  }

  .footer-mid { grid-template-columns: repeat(2, 1fr); }

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

  .br-pc { display: none; }
}

/* Mobile (<=600px) */
@media (max-width: 600px) {
  :root { --space-xl: 3.5rem; }

  .container { padding: 0 1.2rem; }

  .section { padding: 3rem 0; }

  .hero { min-height: 100svh; }

  .hero-title-main { font-size: clamp(2.8rem, 15vw, 4.5rem); }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
    text-align: center;
  }

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

  .reserve-card {
    padding: 0.8rem 1.2rem;
  }
  .reserve-card-label {
    min-width: 80px;
  }
  .reserve-card-name {
    font-size: 0.88rem;
    margin-left: 0.75rem;
  }
  .reserve-card-tel-num {
    margin-left: 0.75rem;
    font-size: 0.82rem;
  }

  .info-table th { width: 88px; font-size: 0.78rem; }
  .info-table td { font-size: 0.8rem; }
  .info-table th, .info-table td { padding: 1rem 1.2rem; }

  .hours-list li { flex-wrap: wrap; gap: 0.15rem; }

  .footer-mid { grid-template-columns: 1fr; }

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

  .fixed-instagram { bottom: 1.2rem; right: 1.2rem; }
}

/* Ensure content sections stack above the fixed hero background */
.concept,
.menu,
.private,
.info,
.access,
.reserve,
.site-footer {
  position: relative;
  z-index: 2;
}

/* ===== FIXED INSTAGRAM ===== */
.fixed-instagram {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  background: linear-gradient(45deg, #f58529 0%, #feda75 10%, #d62976 40%, #962fbf 70%, #4f5bd5 100%);
  border: none;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 800;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  transition: all var(--dur-mid) var(--ease);
}

.fixed-instagram svg {
  color: #ffffff;
  transition: transform var(--dur-fast) var(--ease);
}

.fixed-instagram:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 6px 20px rgba(214, 41, 118, 0.45);
}

.fixed-instagram:hover svg {
  transform: scale(1.05);
}