/* ==========================================================
   サントリー 愚羅馬亭 北新地店
   ダーク×ゴールドのレトロラグジュアリー
   ========================================================== */

:root {
  --c-bg: #120e0b;
  --c-bg-2: #1c1611;
  --c-panel: #241c15;
  --c-text: #e8ddc8;
  --c-text-dim: #b3a689;
  --c-gold: #d9a83c;
  --c-gold-light: #f0cf7e;
  --c-gold-dark: #a87b1f;
  --c-line: rgba(217, 168, 60, 0.28);
  --font-serif: "Shippori Mincho", "Hiragino Mincho ProN", serif;
  --font-en: "Cormorant Garamond", serif;
  --header-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--font-serif);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.9;
  letter-spacing: 0.05em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: min(1080px, 92%);
  margin-inline: auto;
}

/* ----- ローディング ----- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--c-bg);
  display: grid;
  place-items: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}
.loader__logo {
  width: min(260px, 60%);
  animation: loaderPulse 1.6s ease-in-out infinite alternate;
}
.loader.is-done { opacity: 0; visibility: hidden; }
@keyframes loaderPulse {
  from { opacity: 0.35; transform: scale(0.97); }
  to   { opacity: 1;    transform: scale(1); }
}

/* ----- ヘッダー ----- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: clamp(16px, 4vw, 40px);
  transition: background 0.4s ease, box-shadow 0.4s ease;
}
/* 注意: headerにbackdrop-filterを付けるとfixedな.navの基準になり
   モバイルの全画面メニューが崩れるため使わない */
.header.is-solid {
  background: rgba(18, 14, 11, 0.96);
  box-shadow: 0 1px 0 var(--c-line);
}
.header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.header__logo { height: 34px; width: auto; }
.header__brand-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-gold-light);
  white-space: nowrap;
}
.header__brand-text small {
  font-size: 0.72em;
  color: var(--c-text-dim);
  margin-left: 4px;
}

.nav__list {
  display: flex;
  gap: clamp(18px, 3vw, 40px);
}
.nav__link {
  display: block;
  text-align: center;
  font-size: 0.92rem;
  padding: 6px 2px;
  position: relative;
}
.nav__link span {
  display: block;
  font-family: var(--font-en);
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  color: var(--c-gold);
  text-transform: uppercase;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--c-gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s ease;
}
.nav__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-btn {
  display: none;
  width: 44px; height: 44px;
  background: none;
  border: 1px solid var(--c-line);
  border-radius: 4px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  z-index: 60;
}
.menu-btn span {
  display: block;
  width: 20px; height: 1.5px;
  background: var(--c-gold-light);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.menu-btn.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.menu-btn.is-open span:nth-child(2) { opacity: 0; }
.menu-btn.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ----- ヒーロー ----- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
}
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__img {
  width: 100%; height: 100%;
  object-fit: cover;
  animation: heroZoom 18s ease-out forwards;
}
@keyframes heroZoom {
  from { transform: scale(1.12); }
  to   { transform: scale(1); }
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, rgba(18,14,11,0.25) 0%, rgba(18,14,11,0.75) 100%),
    linear-gradient(to bottom, rgba(18,14,11,0.55), rgba(18,14,11,0.2) 40%, rgba(18,14,11,0.9));
}
.hero__inner {
  text-align: center;
  padding: 0 6%;
  animation: heroFade 1.6s ease 0.3s both;
}
@keyframes heroFade {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero__logo {
  width: min(420px, 78vw);
  margin: 0 auto 28px;
  filter: drop-shadow(0 4px 24px rgba(0, 0, 0, 0.6));
}
.hero__lead {
  font-size: clamp(1.25rem, 3.2vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.8);
}
.hero__sub {
  margin-top: 18px;
  font-size: clamp(0.85rem, 1.6vw, 1rem);
  color: var(--c-text-dim);
  letter-spacing: 0.12em;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.8);
}
.hero__scroll {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.hero__scroll-text {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--c-gold);
  text-transform: uppercase;
}
.hero__scroll-line {
  width: 1px; height: 56px;
  background: linear-gradient(to bottom, var(--c-gold), transparent);
  overflow: hidden;
  position: relative;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%; height: 100%;
  background: var(--c-gold-light);
  animation: scrollDrop 2s ease-in-out infinite;
}
@keyframes scrollDrop {
  0%   { top: -100%; }
  60%  { top: 100%; }
  100% { top: 100%; }
}

/* ----- セクション共通 ----- */
.section { padding: clamp(80px, 12vw, 140px) 0; }

.section__title {
  text-align: center;
  margin-bottom: clamp(48px, 7vw, 80px);
}
.section__title-en {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-gold);
  line-height: 1.2;
}
.section__title-ja {
  display: block;
  margin-top: 10px;
  font-size: 0.95rem;
  color: var(--c-text-dim);
  letter-spacing: 0.2em;
}
.section__title-ja::before,
.section__title-ja::after {
  content: "";
  display: inline-block;
  width: 36px;
  height: 1px;
  background: var(--c-line);
  vertical-align: middle;
  margin: 0 14px;
}

/* ----- お知らせ ----- */
.news {
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(217, 168, 60, 0.07), transparent),
    var(--c-bg);
}
.news__card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(28px, 4.5vw, 56px);
  align-items: center;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  padding: clamp(22px, 3.5vw, 44px);
}
.news__img {
  position: relative;
  overflow: hidden;
}
.news__img::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(240, 207, 126, 0.45);
  z-index: 1;
  pointer-events: none;
}
.news__img img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.8s ease;
}
.news__img:hover img { transform: scale(1.05); }

.news__date {
  font-family: var(--font-en);
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  letter-spacing: 0.12em;
  color: var(--c-gold);
  line-height: 1.2;
}
.news__date span {
  font-size: 0.6em;
  letter-spacing: 0.3em;
  color: var(--c-text-dim);
  margin-left: 10px;
}
.news__title {
  margin-top: 10px;
  font-size: clamp(1.3rem, 2.6vw, 1.7rem);
  color: var(--c-gold-light);
  letter-spacing: 0.1em;
  padding-bottom: 14px;
  position: relative;
}
.news__title::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 56px; height: 1px;
  background: var(--c-gold);
}
.news__text {
  margin-top: 18px;
  font-size: 0.95rem;
  color: var(--c-text-dim);
}
.news__detail {
  margin-top: 24px;
  border-top: 1px solid var(--c-line);
}
.news__detail-row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 16px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--c-line);
  font-size: 0.9rem;
}
.news__detail-row dt {
  color: var(--c-gold);
  letter-spacing: 0.15em;
  font-weight: 600;
}
.news__detail-row dd { color: var(--c-text); }

/* ----- こだわり ----- */
.concept {
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(217, 168, 60, 0.06), transparent),
    var(--c-bg-2);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.concept__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3.5vw, 44px);
}
.concept__item {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  padding: clamp(28px, 3.5vw, 44px) clamp(22px, 2.8vw, 36px);
  text-align: center;
  position: relative;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.concept__item:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}
.concept__icon {
  width: 56px; height: 56px;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
  border: 1px solid var(--c-gold);
  border-radius: 50%;
  color: var(--c-gold-light);
  font-size: 1.3rem;
  font-weight: 600;
}
.concept__item h3 {
  font-size: 1.1rem;
  color: var(--c-gold-light);
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}
.concept__item p {
  font-size: 0.9rem;
  color: var(--c-text-dim);
  text-align: left;
}

/* ----- ギャラリー ----- */
.media-row {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.media-row + .media-row { margin-top: clamp(56px, 8vw, 100px); }
.media-row--reverse .media-row__img { order: 2; }
.media-row--reverse .media-row__body { order: 1; }

.media-row__img {
  position: relative;
  overflow: hidden;
}
.media-row__img::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(240, 207, 126, 0.45);
  z-index: 1;
  pointer-events: none;
}
.media-row__img img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.8s ease;
}
.media-row__img:hover img { transform: scale(1.05); }

.media-row__title {
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  color: var(--c-gold-light);
  letter-spacing: 0.12em;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 14px;
}
.media-row__title::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 56px; height: 1px;
  background: var(--c-gold);
}
.media-row__body p {
  font-size: 0.95rem;
  color: var(--c-text-dim);
}

/* ----- アクセス ----- */
.access {
  background:
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(217, 168, 60, 0.05), transparent),
    var(--c-bg-2);
  border-top: 1px solid var(--c-line);
}
.access__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: stretch;
}
.access__photo {
  overflow: hidden;
  margin-bottom: 28px;
}
.access__photo img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.access__table { border-top: 1px solid var(--c-line); }
.access__row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 16px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--c-line);
  font-size: 0.92rem;
}
.access__row dt {
  color: var(--c-gold);
  letter-spacing: 0.15em;
  font-weight: 600;
}
.access__row dd { color: var(--c-text); }

.access__map {
  min-height: 380px;
  border: 1px solid var(--c-line);
  padding: 10px;
  background: var(--c-panel);
}
.access__map iframe {
  width: 100%;
  height: 100%;
  min-height: 360px;
  filter: grayscale(0.2) contrast(1.02);
}

/* ----- フッター ----- */
.footer {
  padding: 64px 6% 40px;
  text-align: center;
  border-top: 1px solid var(--c-line);
  background: var(--c-bg);
}
.footer__logo {
  width: 180px;
  margin: 0 auto 18px;
  opacity: 0.9;
}
.footer__name {
  font-size: 0.92rem;
  letter-spacing: 0.18em;
  color: var(--c-text-dim);
}
.footer__copy {
  margin-top: 22px;
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: #7a6f5a;
}

/* ----- トップへ戻る ----- */
.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 40;
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  background: rgba(28, 22, 17, 0.9);
  border: 1px solid var(--c-gold);
  border-radius: 50%;
  color: var(--c-gold-light);
  font-size: 1.1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s;
}
.to-top.is-show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.to-top:hover { background: var(--c-gold-dark); color: #fff; }

/* ----- スクロールリビール ----- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__img, .hero__inner, .loader__logo, .hero__scroll-line::after { animation: none; }
}

/* ----- レスポンシブ ----- */
@media (max-width: 900px) {
  .concept__grid { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; }
  .access__grid { grid-template-columns: 1fr; }
  .access__map { min-height: 320px; }
}

@media (max-width: 768px) {
  .header__brand-text { display: none; }
  .menu-btn { display: flex; }

  .nav {
    position: fixed;
    inset: 0;
    z-index: 55;
    background: rgba(18, 14, 11, 0.97);
    display: grid;
    place-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s;
  }
  .nav.is-open { opacity: 1; visibility: visible; }
  .nav__list {
    flex-direction: column;
    text-align: center;
    gap: 36px;
  }
  .nav__link { font-size: 1.2rem; }

  .news__card { grid-template-columns: 1fr; gap: 24px; }

  .media-row,
  .media-row--reverse { grid-template-columns: 1fr; gap: 20px; }
  .media-row--reverse .media-row__img { order: 0; }
  .media-row--reverse .media-row__body { order: 0; }
}

@media (max-width: 480px) {
  .hero__lead {
    font-size: 1.15rem;
    letter-spacing: 0.08em;
  }
  .hero__sub { letter-spacing: 0.06em; }
  .access__row { grid-template-columns: 72px 1fr; }
  .news__detail-row { grid-template-columns: 72px 1fr; }
}