/* =========================================================
   EMIRA GROUP — style.css
   luxury club / lounge  /  mobile-first
   ========================================================= */


/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  /* --- color --- */
  --color-bg:          #07080b;
  --color-navy:        #0b1829;
  --color-surface:     #0d1320;
  --color-surface-hi:  #111827;
  --color-gold:        #c9a96a;
  --color-gold-bright: #e2c47a;
  --color-gold-deep:   #8c6d34;
  --color-gold-subtle: rgba(201, 169, 106, 0.10);
  --color-line:        rgba(201, 169, 106, 0.20);
  --color-text:        #e8e3d8;
  --color-text-dim:    #8e8a82;
  --color-text-faint:  #4e4a44;

  /* --- type --- */
  --font-display: "Cormorant Garamond", "Shippori Mincho", serif;
  --font-serif:   "Shippori Mincho", serif;
  --font-body:    "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN",
                  "Noto Sans JP", system-ui, sans-serif;

  /* --- layout --- */
  --maxw:      1120px;
  --gutter:    clamp(24px, 6vw, 56px);
  --header-h:  68px;
  --section-v: clamp(88px, 15vw, 160px);

  /* --- easing --- */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}


/* ============================================================
   RESET / BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100svh;
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--color-text);
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;

  background-color: var(--color-bg);
}

/* 固定の背景グラデーション層。
   body に background-attachment: fixed を使うと iOS Safari で
   ガタつき・拡大表示の不具合が出るため、固定の擬似要素で代替する。 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background-image:
    radial-gradient(ellipse 160% 75% at 50% -5%,
      rgba(11, 24, 41, 0.98) 0%, transparent 58%),
    radial-gradient(ellipse 80% 55% at 5%  85%,
      rgba(9,  16, 30, 0.55) 0%, transparent 60%),
    radial-gradient(ellipse 65% 50% at 95% 40%,
      rgba(9,  16, 30, 0.40) 0%, transparent 55%);
}

img              { max-width: 100%; height: auto; display: block; }
a                { color: inherit; text-decoration: none; }
ul, ol           { margin: 0; padding: 0; list-style: none; }
h1, h2, h3       { margin: 0; font-weight: 500; line-height: 1.3; }

:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}


/* ============================================================
   HELPERS
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translate(-50%, -120%);
  z-index: 1000;
  padding: 10px 20px;
  background: var(--color-gold);
  color: #120e04;
  font-size: 0.85rem;
  border-radius: 0 0 6px 6px;
  transition: transform 0.25s var(--ease);
}
.skip-link:focus { transform: translate(-50%, 0); }

.u-mt-xl { margin-top: clamp(44px, 8vw, 72px); }

/* background generative art (p5.js) — top page only */
.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
}
.bg-canvas canvas { display: block; }

/* 粒子の上にかけるごく薄いヴィネット（文字の可読性を保つ） */
.bg-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(
    120% 90% at 50% 0%,
    rgba(7, 8, 11, 0) 45%,
    rgba(7, 8, 11, 0.55) 100%
  );
}


/* ============================================================
   BRAND
   ============================================================ */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand__mark {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-gold-bright);
  border: 1px solid var(--color-line);
  border-radius: 50%;
  background: var(--color-gold-subtle);
  transition: border-color 0.35s var(--ease), background 0.35s var(--ease);
}
.brand:hover .brand__mark {
  border-color: rgba(201, 169, 106, 0.50);
  background: rgba(201, 169, 106, 0.15);
}
.brand__name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.34em;
  line-height: 1;
  color: var(--color-text);
}
.brand__sub {
  display: block;
  margin-top: 4px;
  font-size: 0.46rem;
  letter-spacing: 0.50em;
  color: var(--color-text-dim);
}
/* footer variant – identical to default; modifier reserved for future tweaks */
.brand--footer {}


/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  transition:
    background-color 0.5s var(--ease),
    backdrop-filter  0.5s var(--ease),
    border-color     0.5s var(--ease);
}
.site-header.is-scrolled {
  background-color: rgba(6, 7, 10, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--color-line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* -- hamburger button -- */
.nav-toggle {
  position: relative;
  z-index: 120;
  width: 44px;
  height: 44px;
  margin-right: -8px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.nav-toggle__bar {
  position: absolute;
  left: 50%;
  width: 22px;
  height: 1px;
  background: var(--color-text);
  transform: translateX(-50%);
  transition: transform 0.38s var(--ease), top 0.38s var(--ease);
}
.nav-toggle__bar:nth-child(1) { top: 19px; }
.nav-toggle__bar:nth-child(2) { top: 26px; }
body.nav-open .nav-toggle__bar:nth-child(1) {
  top: 22px;
  transform: translateX(-50%) rotate(45deg);
}
body.nav-open .nav-toggle__bar:nth-child(2) {
  top: 22px;
  transform: translateX(-50%) rotate(-45deg);
}

/* -- nav links (desktop) -- */
.primary-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(20px, 4vw, 44px);
}
.primary-nav a {
  position: relative;
  font-family: var(--font-display);
  font-size: 0.98rem;
  letter-spacing: 0.20em;
  color: var(--color-text);
  padding-block: 6px;
  transition: color 0.3s;
}
.primary-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}
.primary-nav a:hover,
.primary-nav a[aria-current="page"]        { color: var(--color-gold-bright); }
.primary-nav a:hover::after,
.primary-nav a[aria-current="page"]::after { transform: scaleX(1); }


/* ============================================================
   HERO  (top page)
   ============================================================ */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;          /* コンテンツを下寄せ */
  min-height: 100svh;
  padding:
    calc(var(--header-h) + 32px)
    var(--gutter)
    clamp(88px, 18vw, 128px);
}
.hero__inner {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
}
.hero__eyebrow {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.58em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.hero__ornament {                     /* gold horizontal rule */
  display: block;
  width: 44px;
  height: 1px;
  margin-bottom: 28px;
  background: linear-gradient(90deg, var(--color-gold) 0%, transparent 100%);
}
.hero__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(3rem, 11.5vw, 5.8rem);
  line-height: 1.28;
  letter-spacing: 0.05em;
}
.hero__title span { display: block; }
.hero__title em {
  font-style: normal;
  color: var(--color-gold-bright);
}
.hero__lead {
  margin: clamp(24px, 4vw, 36px) 0 0;
  max-width: 34ch;
  font-size: clamp(0.88rem, 3.2vw, 1rem);
  line-height: 2.1;
  letter-spacing: 0.06em;
  color: var(--color-text-dim);
}

/* scroll indicator – vertical, right-aligned */
.hero__scroll {
  position: absolute;
  right: var(--gutter);
  bottom: clamp(32px, 7vw, 52px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.63rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  writing-mode: vertical-rl;
}
.hero__scroll-line {
  width: 1px;
  height: 52px;
  overflow: hidden;
  background: linear-gradient(180deg, transparent, var(--color-gold-deep));
}
.hero__scroll-line::after {
  content: "";
  display: block;
  width: 100%;
  height: 50%;
  background: var(--color-gold);
  animation: scroll-cue 2.8s var(--ease) infinite;
}
@keyframes scroll-cue {
  0%   { transform: translateY(-100%); opacity: 0; }
  15%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { transform: translateY(220%);  opacity: 0; }
}


/* ============================================================
   PAGE HERO  (stores/*)
   ============================================================ */
.page-hero {
  padding:
    calc(var(--header-h) + clamp(52px, 14vw, 108px))
    var(--gutter)
    clamp(44px, 8vw, 72px);
  border-bottom: 1px solid var(--color-line);
}
.page-hero__inner { max-width: var(--maxw); margin-inline: auto; }
.page-hero__eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 0.73rem;
  letter-spacing: 0.54em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 11vw, 5rem);
  font-weight: 400;
  letter-spacing: 0.20em;
  line-height: 1.15;
  color: var(--color-text);
}
.page-hero__lead {
  margin: 20px 0 0;
  max-width: 42ch;
  font-size: clamp(0.88rem, 3vw, 1rem);
  line-height: 2.0;
  color: var(--color-text-dim);
}


/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: calc(var(--header-h) + 16px) var(--gutter) 0;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
}
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px; }
.breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--color-gold-deep);
}
.breadcrumb a   { color: var(--color-text-dim); transition: color 0.3s; }
.breadcrumb a:hover { color: var(--color-gold); }
.breadcrumb [aria-current="page"] { color: var(--color-text); }


/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  position: relative;
  padding-block: var(--section-v);
  scroll-margin-top: var(--header-h);
}

/* navy tint + hairline borders on alt sections */
.section--alt {
  background: linear-gradient(
    180deg,
    transparent               0%,
    rgba(11, 24, 41, 0.45)   28%,
    rgba(11, 24, 41, 0.45)   72%,
    transparent              100%
  );
}
.section--alt::before,
.section--alt::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent   0%,
    var(--color-line) 18%,
    var(--color-line) 82%,
    transparent  100%
  );
}
.section--alt::before { top: 0; }
.section--alt::after  { bottom: 0; }

.section--flush-top { padding-top: 0; }

/* section head */
.section__head             { margin-bottom: clamp(40px, 7vw, 64px); }
.section__head--between    {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

/* eyebrow with gold dash prefix */
.section__eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.54em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.section__eyebrow::before {
  content: "";
  flex-shrink: 0;
  width: 22px;
  height: 1px;
  background: var(--color-gold);
  opacity: 0.65;
}

.section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 6.5vw, 2.8rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.35;
}
.section__desc {
  margin: 14px 0 0;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  color: var(--color-text-dim);
}


/* section body wrapper */
.section__body { /* no extra styles needed; pairs with .prose */ }


/* ============================================================
   PROSE
   ============================================================ */
.prose { max-width: 58ch; }
.prose p {
  margin: 0 0 1.6em;
  font-size: clamp(0.95rem, 3.2vw, 1.05rem);
  line-height: 2.1;
  color: var(--color-text-dim);
}
.prose p:last-child { margin-bottom: 0; }
.prose__note {
  margin-top: 2.4em;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
}


/* ============================================================
   MEDIA  (placeholder / image container)
   ============================================================ */
.media {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  background: linear-gradient(
    140deg,
    rgba(13, 22, 40, 0.92) 0%,
    rgba(7, 10, 16, 0.96)  100%
  );
  border: 1px solid var(--color-line);
}
.media img { width: 100%; height: 100%; object-fit: cover; }
.media--hero    { aspect-ratio: 16 / 10; }
.media--wide    { aspect-ratio: 16 / 9; }
.media--square  { aspect-ratio: 1; }
.media--portrait{ aspect-ratio: 4 / 5; }


/* ============================================================
   LINKS / BUTTONS
   ============================================================ */
.link-more {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 0.88rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.link-more::after {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
  transition: width 0.45s var(--ease);
}
.link-more:hover::after { width: 50px; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-display);
  font-size: 0.86rem;
  letter-spacing: 0.18em;
  color: var(--color-text-dim);
  transition: color 0.3s;
}
.back-link::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--color-gold);
  transition: width 0.45s var(--ease);
}
.back-link:hover { color: var(--color-gold); }
.back-link:hover::before { width: 46px; }


/* ============================================================
   CARDS  (store list)
   ============================================================ */
.cards {
  display: grid;
  gap: clamp(16px, 3vw, 24px);
  grid-template-columns: 1fr;
}
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-top: 1px solid rgba(201, 169, 106, 0.30);
  border-radius: 2px;
  overflow: hidden;
  transition:
    transform    0.55s var(--ease),
    border-color 0.55s var(--ease),
    box-shadow   0.55s var(--ease);
}
.card:hover {
  transform: translateY(-5px);
  border-top-color: var(--color-gold);
  border-color: rgba(201, 169, 106, 0.38);
  box-shadow: 0 20px 52px rgba(0, 0, 0, 0.45);
}
.card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
}
.card .media {
  border: 0;
  border-radius: 0;
  border-bottom: 1px solid var(--color-line);
  transition: opacity 0.5s;
}
.card:hover .media { opacity: 0.88; }

.card__body {
  padding: clamp(24px, 4.5vw, 36px);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card__tag {
  display: inline-block;
  margin-bottom: 16px;
  padding: 5px 14px;
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 0.30em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-gold-subtle);
}
.card__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 5.5vw, 1.9rem);
  letter-spacing: 0.14em;
  line-height: 1.3;
  color: var(--color-text);
}
.card__title span {
  color: var(--color-gold-deep);
  margin-inline: 4px;
}
.card__text {
  flex: 1;
  margin: 14px 0 24px;
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-text-dim);
}
.card__status {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.card--soon {
  opacity: 0.60;
  pointer-events: none;
}


/* ============================================================
   STORE DETAIL PAGE
   ============================================================ */
.store-detail {
  display: grid;
  gap: clamp(56px, 11vw, 96px);
}

/* meta table */
.store-meta { margin: 0; }
.store-meta__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-line);
}
.store-meta__row:first-child { border-top: 1px solid var(--color-line); }
.store-meta dt {
  font-family: var(--font-display);
  font-size: 0.74rem;
  letter-spacing: 0.30em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.store-meta dd {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.75;
}

/* gallery */
.gallery {
  display: grid;
  gap: clamp(10px, 2.5vw, 18px);
  grid-template-columns: repeat(2, 1fr);
}
.gallery figure     { margin: 0; }
.gallery figcaption {
  margin-top: 8px;
  font-size: 0.7rem;
  letter-spacing: 0.10em;
  color: var(--color-text-faint);
}

/* access map placeholder */
.access-map {
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 7;
  border: 1px solid var(--color-line);
  border-radius: 2px;
  background: var(--color-surface);
  color: var(--color-text-faint);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
}


/* ============================================================
   INFO LIST  (top page)
   ============================================================ */
.info-list { margin: 0; }
.info-list__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-line);
}
.info-list__row:first-child { border-top: 1px solid var(--color-line); }
.info-list dt {
  font-family: var(--font-display);
  font-size: 0.74rem;
  letter-spacing: 0.30em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.info-list dd { margin: 0; font-size: 0.96rem; }


/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  padding-block: clamp(52px, 9vw, 80px);
  border-top: 1px solid var(--color-line);
  background: linear-gradient(180deg, transparent, rgba(7, 11, 18, 0.5));
}
.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  text-align: center;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(20px, 4vw, 38px);
  font-family: var(--font-display);
  font-size: 0.88rem;
  letter-spacing: 0.24em;
}
.footer-nav a             { color: var(--color-text-dim); transition: color 0.3s; }
.footer-nav a:hover       { color: var(--color-gold); }
.site-footer__copy {
  margin: 0;
  font-size: 0.70rem;
  letter-spacing: 0.20em;
  color: var(--color-text-faint);
}


/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1.0s var(--ease), transform 1.0s var(--ease);
  will-change: opacity, transform;
}
[data-reveal].is-visible { opacity: 1; transform: none; }


/* ============================================================
   MOBILE NAV OVERLAY  (≤ 767px)
   ============================================================ */
@media (max-width: 767px) {
  .primary-nav {
    position: fixed;
    inset: 0;
    z-index: 110;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(6, 7, 10, 0.97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.45s var(--ease), visibility 0.45s var(--ease);
  }
  body.nav-open .primary-nav { opacity: 1; visibility: visible; }
  body.nav-open { overflow: hidden; }

  .primary-nav__list { flex-direction: column; gap: 40px; }
  .primary-nav a {
    font-size: 1.75rem;
    letter-spacing: 0.26em;
    color: var(--color-text);
  }
  .primary-nav a::after { display: none; }
  .primary-nav a:hover  { color: var(--color-gold-bright); }
}


/* ============================================================
   TABLET / DESKTOP  (≥ 768px)
   ============================================================ */
@media (min-width: 768px) {
  .nav-toggle { display: none; }

  .cards { grid-template-columns: repeat(3, 1fr); }

  .info-list__row,
  .store-meta__row {
    grid-template-columns: 200px 1fr;
    gap: 24px;
    align-items: baseline;
  }

  .gallery        { grid-template-columns: repeat(3, 1fr); }

  .store-detail   { grid-template-columns: 1fr 1fr; }

  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}


/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration:        0.001ms !important;
    animation-iteration-count: 1       !important;
    transition-duration:       0.001ms !important;
  }
  [data-reveal]              { opacity: 1; transform: none; }
  .hero__scroll-line::after  { display: none; }
}