/* ============================================================
   style.css — Bar LUMINÉ
   配色: Deep Navy / Warm Gold / Soft Cream
   フォント: Cormorant Garamond (英語見出し) + Noto Serif JP (日本語見出し) + Noto Sans JP (本文)
   ============================================================ */

/* --- CSS Custom Properties --------------------------------- */
:root {
  --color-base:    #0B0E1A;
  --color-base-2:  #121627;
  --color-base-3:  #1A1F35;
  --color-sub:     #2A2F4A;
  --color-sub-2:   #3D4266;
  --color-accent:  #C9A96E;
  --color-accent-2:#E2C991;
  --color-cream:   #F5F0E8;
  --color-cream-2: #EDE6D8;
  --color-text:    #E8E4DC;
  --color-text-dim:#9A978F;
  --color-white:   #FFFFFF;
  --color-overlay: rgba(11, 14, 26, .75);

  --font-heading-en: "Cormorant Garamond", serif;
  --font-heading-jp: "Noto Serif JP", serif;
  --font-body:       "Noto Sans JP", sans-serif;

  --ease-out-expo: cubic-bezier(.16, 1, .3, 1);
  --ease-out-back: cubic-bezier(.34, 1.56, .64, 1);
  --ease-smooth:   cubic-bezier(.25, .1, .25, 1);

  --header-h: 72px;
  --section-pad: clamp(80px, 12vw, 160px);
  --side-pad: clamp(20px, 5vw, 80px);
}

/* --- Reset ------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}
body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--color-text);
  background: var(--color-base);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#app {
  position: relative;
}

/* 固定パララックス背景（スクロールで内側の画像のみ移動） */
.page-parallax-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.page-parallax-bg__inner {
  position: absolute;
  left: 0;
  top: -12%;
  width: 100%;
  height: 124%;
  will-change: transform;
}
.page-parallax-bg__inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .58;
  filter: brightness(.45) saturate(.82) contrast(1.08);
}

@media (prefers-reduced-motion: reduce) {
  .page-parallax-bg__inner {
    top: 0;
    height: 100%;
  }
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* --- Utility ----------------------------------------------- */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* --- Typography -------------------------------------------- */
.heading-en {
  font-family: var(--font-heading-en);
  font-weight: 400;
  letter-spacing: .06em;
  line-height: 1.1;
}
.heading-jp {
  font-family: var(--font-heading-jp);
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1.4;
}
.body-text {
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: .02em;
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--side-pad);
  transition: background .4s var(--ease-smooth), box-shadow .4s;
}
.site-header.scrolled {
  background: rgba(11, 14, 26, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(201, 169, 110, .12);
}
.site-header__logo {
  font-family: var(--font-heading-en);
  font-size: clamp(1.25rem, 2.5vw, 1.6rem);
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--color-accent);
  z-index: 1010;
}

/* Desktop Nav */
.desktop-nav { display: flex; gap: 32px; }
.desktop-nav a {
  font-size: .8rem;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  position: relative;
  transition: color .3s;
}
.desktop-nav a::after {
  content: "";
  position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width .4s var(--ease-out-expo);
}
.desktop-nav a:hover { color: var(--color-accent); }
.desktop-nav a:hover::after { width: 100%; }

/* Hamburger */
.hamburger {
  display: none;
  width: 36px; height: 36px;
  position: relative;
  z-index: 1010;
}
.hamburger__line {
  position: absolute;
  left: 6px;
  width: 24px; height: 1.5px;
  background: var(--color-cream);
  border-radius: 1px;
  transition: transform .45s var(--ease-out-expo),
              opacity .25s .1s,
              background .3s;
  transform-origin: center;
}
.hamburger__line:nth-child(1) { top: 10px; }
.hamburger__line:nth-child(2) { top: 17px; }
.hamburger__line:nth-child(3) { top: 24px; }

.hamburger.active .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
  transition: opacity .15s, transform .15s;
}
.hamburger.active .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.hamburger.active .hamburger__line {
  background: var(--color-accent);
}

/* Mobile Overlay */
.mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: var(--color-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
  clip-path: circle(0% at calc(100% - 40px) 36px);
  transition: clip-path .7s var(--ease-out-expo);
  pointer-events: none;
  visibility: hidden;
}
.mobile-overlay.open {
  clip-path: circle(150% at calc(100% - 40px) 36px);
  pointer-events: auto;
  visibility: visible;
}

/* Close button inside overlay */
.mobile-overlay__close {
  position: absolute;
  top: 16px;
  right: 20px;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1110;
  color: var(--color-cream);
  transition: color .3s, transform .3s var(--ease-out-back);
  cursor: pointer;
  background: none;
  border: none;
}
.mobile-overlay__close svg {
  width: 28px; height: 28px;
}
.mobile-overlay__close:hover {
  color: var(--color-accent);
  transform: rotate(90deg);
}
.mobile-overlay a {
  font-family: var(--font-heading-jp);
  font-size: 1.5rem;
  letter-spacing: .15em;
  color: var(--color-cream);
  opacity: 0;
  transform: translateY(24px) rotate(-2deg);
  transition: opacity .5s, transform .5s var(--ease-out-expo);
}
.mobile-overlay.open a {
  opacity: 1;
  transform: translateY(0) rotate(0deg);
}
.mobile-overlay.open a:nth-child(1) { transition-delay: .15s; }
.mobile-overlay.open a:nth-child(2) { transition-delay: .22s; }
.mobile-overlay.open a:nth-child(3) { transition-delay: .29s; }
.mobile-overlay.open a:nth-child(4) { transition-delay: .36s; }
.mobile-overlay.open a:nth-child(5) { transition-delay: .43s; }
.mobile-overlay a:hover { color: var(--color-accent); }

/* ============================================================
   HERO — Pattern D: Full Screen Narrative + Anim 2: Cinematic Focus
   ============================================================ */
.hero {
  position: relative;
  z-index: 1;
  height: 100vh;
  min-height: 600px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  z-index: 0;
}
.hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: blur(6px) grayscale(100%) brightness(.5);
  transform: scale(1.08);
  transition: filter 1.8s var(--ease-smooth), transform 2.4s var(--ease-out-expo);
}
.hero.in-view .hero__bg img {
  filter: blur(0) grayscale(0%) brightness(.45);
  transform: scale(1);
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: min(920px, 100%);
  padding: 0 var(--side-pad);
}
.hero__tagline {
  font-family: var(--font-heading-jp);
  font-size: clamp(2.6rem, 7vw, 4.5rem);
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--color-white);
  margin-bottom: 16px;
  overflow: hidden;
  word-break: keep-all;
  line-height: 1.2;
  text-align: center;
}
@media (min-width: 521px) {
  .hero__tagline {
    white-space: nowrap;
  }
}
@media (max-width: 520px) {
  .hero__tagline {
    white-space: normal;
    font-size: clamp(1.55rem, 5.5vw, 2.15rem);
    line-height: 1.45;
    letter-spacing: .06em;
  }
}
.hero__tagline .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
}
.hero.in-view .hero__tagline .char {
  animation: charReveal .6s var(--ease-out-expo) forwards;
}
.hero__sub {
  font-family: var(--font-heading-jp);
  font-size: clamp(1rem, 2.4vw, 1.35rem);
  font-weight: 400;
  letter-spacing: .2em;
  color: var(--color-accent-2);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s .6s, transform .8s .6s var(--ease-out-expo);
}
.hero.in-view .hero__sub { opacity: 1; transform: translateY(0); }
.hero__description {
  margin-top: 20px;
  font-size: .9rem;
  color: var(--color-text-dim);
  opacity: 0;
  transition: opacity 1s 1s;
}
.hero.in-view .hero__description { opacity: 1; }
.hero__scroll {
  position: absolute;
  bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: .65rem;
  letter-spacing: .15em;
  color: var(--color-text-dim);
}
.hero__scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes charReveal {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scrollLine {
  0%, 100% { opacity: .3; transform: scaleY(.5); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================================
   CONCEPT — Pattern E: Floating Split + Anim 5: Panel Overlay
   ============================================================ */
.concept {
  position: relative;
  z-index: 2;
  isolation: isolate;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  background: var(--color-base-2);
}
.concept__image-wrap {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}
.concept__image-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 1.2s .3s var(--ease-smooth), transform 1.6s .3s var(--ease-out-expo);
}
.concept.in-view .concept__image-wrap img {
  opacity: 1;
  transform: scale(1);
}
.concept__panel {
  position: absolute; inset: 0;
  background: var(--color-accent);
  transform-origin: left;
  z-index: 2;
  transform: scaleX(0);
}
.concept.in-view .concept__panel {
  animation: panelSwipe 1.2s var(--ease-out-expo) forwards;
}
@keyframes panelSwipe {
  0%   { transform-origin: right; transform: scaleX(0); }
  45%  { transform-origin: right; transform: scaleX(1); }
  46%  { transform-origin: left; transform: scaleX(1); }
  100% { transform-origin: left; transform: scaleX(0); }
}

.concept__text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--section-pad) var(--side-pad);
  padding-left: clamp(40px, 6vw, 100px);
  background: var(--color-base-2);
}
.concept__label {
  font-family: var(--font-heading-en);
  font-size: .75rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 24px;
}
.concept__heading {
  font-family: var(--font-heading-jp);
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: 32px;
  line-height: 1.5;
}
.concept__body {
  font-size: .95rem;
  color: var(--color-text-dim);
  max-width: 460px;
}
.concept__vertical {
  writing-mode: vertical-rl;
  font-family: var(--font-heading-jp);
  font-size: .75rem;
  letter-spacing: .3em;
  color: var(--color-sub-2);
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
}

/* ============================================================
   MENU — Pattern C: Bento Box + Anim 9: Magnetic Card + Anim 10: Shadow Lift
   ============================================================ */
.menu-section {
  padding: var(--section-pad) var(--side-pad);
  position: relative;
  z-index: 1;
  background: rgba(11, 14, 26, .68);
}
.menu-section__bg-text {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-heading-en);
  font-size: clamp(6rem, 18vw, 16rem);
  font-weight: 400;
  color: rgba(201, 169, 110, .03);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header__en {
  font-family: var(--font-heading-en);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  letter-spacing: .1em;
  color: var(--color-cream);
  text-shadow: 0 2px 24px rgba(11, 14, 26, .92), 0 1px 4px rgba(11, 14, 26, .55);
}
.section-header__line {
  width: 40px; height: 1px;
  background: var(--color-accent);
  margin: 16px auto;
}
.section-header__jp {
  font-family: var(--font-heading-jp);
  font-size: .85rem;
  letter-spacing: .15em;
  color: var(--color-text-dim);
  text-shadow: 0 1px 16px rgba(11, 14, 26, .88);
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  max-width: 1200px;
  margin: 0 auto;
}
.menu-card {
  background: var(--color-base-2);
  border: 1px solid rgba(201, 169, 110, .08);
  border-radius: 6px;
  overflow: hidden;
  transform: translateY(60px);
  opacity: 0;
  transition: transform .8s var(--ease-out-expo),
              opacity .8s,
              box-shadow .5s var(--ease-out-expo);
  will-change: transform;
}
.menu-card.in-view {
  transform: translateY(0);
  opacity: 1;
}
.menu-card:hover {
  box-shadow: 0 24px 64px rgba(0, 0, 0, .4),
              0 8px 24px rgba(201, 169, 110, .06);
  transform: translateY(-6px) !important;
}
.menu-card__image {
  position: relative;
  overflow: hidden;
}
.menu-card__image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform .6s var(--ease-out-expo);
}
.menu-card:hover .menu-card__image img {
  transform: scale(1.06);
}
.menu-card__rank {
  position: absolute;
  top: 12px; left: 12px;
  width: 36px; height: 36px;
  background: var(--color-accent);
  color: var(--color-base);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading-en);
  font-size: .85rem;
  font-weight: 600;
}
.menu-card__body {
  padding: 20px;
}
.menu-card__name {
  font-family: var(--font-heading-jp);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: 8px;
}
.menu-card__desc {
  font-size: .82rem;
  color: var(--color-text-dim);
  line-height: 1.7;
  margin-bottom: 12px;
}
.menu-card__price {
  font-family: var(--font-heading-en);
  font-size: 1.1rem;
  color: var(--color-accent);
  letter-spacing: .04em;
}
.menu-card__price::before { content: "\00A5"; font-size: .75em; margin-right: 2px; }

/* 3D tilt effect on hover (applied via JS) */
.menu-card.tilt {
  transform-style: preserve-3d;
  perspective: 1000px;
}

/* ============================================================
   ATMOSPHERE — Pattern A: Asymmetry Grid + Anim 3: Bound Parallax
   ============================================================ */
.atmosphere {
  padding: var(--section-pad) var(--side-pad);
  position: relative;
  z-index: 1;
  overflow: hidden;
  background: rgba(18, 22, 39, .7);
}
.atmosphere__grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
}
.atmosphere__item {
  overflow: hidden;
  border-radius: 4px;
  position: relative;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s, transform .7s var(--ease-out-back);
}
.atmosphere__item.in-view {
  opacity: 1;
  transform: translateY(0);
}
.atmosphere__item:nth-child(1) {
  grid-column: 1 / 3;
  grid-row: 1 / 3;
}
.atmosphere__item:nth-child(2) {
  grid-column: 3;
  grid-row: 1;
}
.atmosphere__item:nth-child(3) {
  grid-column: 3;
  grid-row: 2;
}
.atmosphere__item:nth-child(4) {
  grid-column: 1 / 4;
  grid-row: 3;
  max-height: 300px;
}
.atmosphere__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease-out-expo);
}
.atmosphere__item:hover img { transform: scale(1.04); }
.atmosphere__caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 16px 20px;
  background: linear-gradient(to top, rgba(11,14,26,.8), transparent);
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--color-cream);
}

/* ============================================================
   INFO — Pattern B: Magazine Editorial + Anim 4: Line Construct
   ============================================================ */
.info-section {
  padding: var(--section-pad) var(--side-pad);
  position: relative;
  z-index: 1;
  background: rgba(11, 14, 26, .68);
}
.info-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.info-details { display: flex; flex-direction: column; gap: 28px; }
.info-row {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(201,169,110,.1);
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity .6s, transform .6s var(--ease-out-expo);
}
.info-row.in-view { opacity: 1; transform: translateX(0); }
.info-row__icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  color: var(--color-accent);
}
.info-row__icon svg { width: 100%; height: 100%; }
.info-row__label {
  font-family: var(--font-heading-jp);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--color-text-dim);
  margin-bottom: 4px;
}
.info-row__value {
  font-size: .95rem;
  color: var(--color-cream);
}

/* Vertical accent text (magazine editorial) */
.info-section .vertical-accent {
  writing-mode: vertical-rl;
  position: absolute;
  left: var(--side-pad);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-heading-en);
  font-size: .7rem;
  letter-spacing: .25em;
  color: rgba(201,169,110,.12);
  text-transform: uppercase;
}

/* Line construct animation borders */
.info-line-box {
  position: relative;
  padding: 40px;
}
.info-line-box__inner {
  position: relative;
}

.info-line-box__line {
  position: absolute;
  background: var(--color-accent);
}
.info-line-box__line--top {
  top: 0; left: 0;
  height: 1px; width: 0;
  transition: width 1s var(--ease-out-expo);
}
.info-line-box__line--left {
  top: 0; left: 0;
  width: 1px; height: 0;
  transition: height 1s .15s var(--ease-out-expo);
}
.info-line-box__line--bottom {
  bottom: 0; right: 0;
  height: 1px; width: 0;
  transition: width 1s .3s var(--ease-out-expo);
}
.info-line-box__line--right {
  bottom: 0; right: 0;
  width: 1px; height: 0;
  transition: height 1s .45s var(--ease-out-expo);
}

.info-line-box.in-view .info-line-box__line--top    { width: 100%; }
.info-line-box.in-view .info-line-box__line--left   { height: 100%; }
.info-line-box.in-view .info-line-box__line--bottom { width: 100%; }
.info-line-box.in-view .info-line-box__line--right  { height: 100%; }

/* Info image */
.info-image-wrap {
  border-radius: 6px;
  overflow: hidden;
}
.info-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
  aspect-ratio: 3/4;
}

/* ============================================================
   ACCESS — Map
   ============================================================ */
.access-section {
  position: relative;
  z-index: 2;
  isolation: isolate;
  padding: var(--section-pad) var(--side-pad);
  background: var(--color-base-2);
  overflow: hidden;
}
.access-section__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.access-section__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .1;
  filter: grayscale(.6);
}
.access-section .access-inner,
.access-section .section-header {
  position: relative;
  z-index: 1;
}
.access-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.map-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 45%;
  border-radius: 6px;
  overflow: hidden;
  margin-top: 48px;
  border: 1px solid rgba(201,169,110,.1);
}
.map-wrap iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
  filter: grayscale(.6) brightness(.85) contrast(1.1);
  transition: filter .4s;
}
.map-wrap:hover iframe { filter: grayscale(0) brightness(1) contrast(1); }

.access-address {
  margin-top: 20px;
  font-size: .9rem;
  color: var(--color-text-dim);
  display: flex;
  align-items: center;
  gap: 8px;
}
.access-address svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-accent);
}

/* ============================================================
   CTA — Pattern J: Diagonal Edge + Anim 8: Typo Explosion
   ============================================================ */
.cta-section {
  position: relative;
  z-index: 1;
  padding: var(--section-pad) var(--side-pad);
  background: rgba(11, 14, 26, .65);
  overflow: hidden;
  text-align: center;
}
.cta-section__bg-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.cta-section__bg-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .08;
  filter: grayscale(.5);
}
.cta-section__diagonal {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 120px;
  background: var(--color-base-2);
  clip-path: polygon(0 0, 100% 0, 100% 30%, 0 100%);
}
.cta-section__bg-text {
  position: absolute;
  bottom: 5%;
  left: 50%;
  transform: translateX(-50%) scale(.8);
  font-family: var(--font-heading-en);
  font-size: clamp(5rem, 16vw, 14rem);
  font-weight: 400;
  color: rgba(201,169,110,.04);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  transition: transform 1.5s var(--ease-out-expo);
}
.cta-section.in-view .cta-section__bg-text {
  transform: translateX(-50%) scale(1.1);
}
.cta-content {
  position: relative;
  z-index: 1;
}
.cta-content__heading {
  font-family: var(--font-heading-jp);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: 16px;
}
.cta-content__sub {
  font-size: .9rem;
  color: var(--color-text-dim);
  margin-bottom: 40px;
}
.cta-tel-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 48px;
  background: var(--color-accent);
  color: var(--color-base);
  font-family: var(--font-heading-en);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: .06em;
  border-radius: 60px;
  transition: background .3s, transform .3s var(--ease-out-back), box-shadow .3s;
}
.cta-tel-btn svg { width: 20px; height: 20px; }
.cta-tel-btn:hover {
  background: var(--color-accent-2);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(201,169,110,.25);
}
.cta-hours {
  margin-top: 16px;
  font-size: .78rem;
  color: var(--color-text-dim);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  position: relative;
  z-index: 2;
  isolation: isolate;
  padding: 48px var(--side-pad);
  background: var(--color-base-2);
  border-top: 1px solid rgba(201,169,110,.08);
  text-align: center;
}
.footer-social {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
}
.footer-social a {
  width: 44px; height: 44px;
  border: 1px solid rgba(201,169,110,.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  transition: background .3s, color .3s, transform .3s var(--ease-out-back);
}
.footer-social a svg {
  width: 18px;
  height: 18px;
  display: block;
  flex-shrink: 0;
  overflow: visible;
}
.footer-social a:hover {
  background: var(--color-accent);
  color: var(--color-base);
  transform: scale(1.1);
}

/* ページトップへ（フッター内配置・画面端固定のフローティングは使用しない） */
.footer-backtop {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 0 auto 28px;
  padding: 12px 28px;
  font-family: var(--font-heading-jp);
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--color-text-dim);
  border: 1px solid rgba(201, 169, 110, .25);
  border-radius: 999px;
  transition: color .3s, border-color .3s, background .3s, transform .3s var(--ease-out-expo);
}
.footer-backtop svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-accent);
  transition: transform .35s var(--ease-out-back);
}
.footer-backtop:hover {
  color: var(--color-cream);
  border-color: rgba(201, 169, 110, .45);
  background: rgba(201, 169, 110, .06);
}
.footer-backtop:hover svg {
  transform: translateY(-3px);
}

.footer-copy {
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--color-text-dim);
}

/* ============================================================
   STAIRCASE SECTION (Pattern G)
   ============================================================ */
.staircase-section {
  padding: var(--section-pad) 0;
  background: var(--color-base);
  overflow: hidden;
}
.staircase-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--side-pad);
}
.staircase-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 80px;
  opacity: 0;
  transition: opacity .8s, transform .8s var(--ease-out-expo);
}
.staircase-item:nth-child(odd) {
  transform: translateX(-60px);
}
.staircase-item:nth-child(even) {
  transform: translateX(60px);
  direction: rtl;
}
.staircase-item:nth-child(even) > * { direction: ltr; }
.staircase-item.in-view {
  opacity: 1;
  transform: translateX(0);
}
.staircase-item__img {
  border-radius: 4px;
  overflow: hidden;
}
.staircase-item__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}
.staircase-item__text {
  padding: 20px 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .desktop-nav { display: none; }
  .hamburger { display: block; }

  .concept {
    grid-template-columns: 1fr;
  }
  .concept__image-wrap {
    position: relative;
    height: 50vh;
  }
  .concept__vertical { display: none; }

  .info-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* Atmosphere: デスクトップの列3指定を打ち消し、2列＋フル幅で再配置 */
  .atmosphere__grid {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: auto;
  }
  .atmosphere__item {
    min-height: 0;
  }
  .atmosphere__item:nth-child(1) {
    grid-column: 1 / -1;
    grid-row: auto;
  }
  .atmosphere__item:nth-child(2) {
    grid-column: 1;
    grid-row: auto;
  }
  .atmosphere__item:nth-child(3) {
    grid-column: 2;
    grid-row: auto;
  }
  .atmosphere__item:nth-child(4) {
    grid-column: 1 / -1;
    grid-row: auto;
    max-height: none;
    min-height: 180px;
  }
  .atmosphere__item img {
    display: block;
    min-height: 0;
  }

  .staircase-item {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .staircase-item:nth-child(even) { direction: ltr; }

  .map-wrap { padding-bottom: 70%; }

  .menu-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .info-section .vertical-accent { display: none; }
}

@media (max-width: 480px) {
  :root {
    --header-h: 60px;
    --side-pad: 16px;
  }
  .atmosphere__grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .atmosphere__item:nth-child(1),
  .atmosphere__item:nth-child(2),
  .atmosphere__item:nth-child(3),
  .atmosphere__item:nth-child(4) {
    grid-column: 1 / -1;
    grid-row: auto;
  }
  .atmosphere__item:nth-child(4) {
    min-height: 160px;
  }
}