/* ============================================
   MOTION LUXE TEMPLATE
   シネマティック・ラグジュアリー「葵 -AOI-」
============================================ */

:root {
  --bg: #191715;
  --bg-alt: #211d1a;
  --panel-rooms: #201c19;
  --panel-cuisine: #251d1d;
  --panel-onsen: #1a1d1e;
  --text: #ede4d3;
  --muted: #a89a83;
  --line: rgba(237, 228, 211, 0.14);
  --gold: #c9a66b;
  --gold-soft: rgba(201, 166, 107, 0.32);
  --bordeaux: #8a3b46;
  --bronze: #a67c48;
  --font-jp: "Noto Serif JP", serif;
  --font-en: "Cinzel", serif;
  --container: 1160px;
  --header-h: 88px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-slow: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-jp);
  font-weight: 400;
  background: var(--bg);
  color: var(--text);
  line-height: 2.1;
  letter-spacing: 0.06em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

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

ul {
  list-style: none;
}

em {
  font-style: normal;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.pc-only {
  display: inline;
}

/* シャンパンゴールドの強調 */
.gold {
  color: var(--gold);
}

/* 選択色はボルドーで */
::selection {
  background: var(--bordeaux);
  color: var(--text);
}

/* ---------- スキップリンク／フォーカス ---------- */
.skip-link {
  position: fixed;
  top: -48px;
  left: 16px;
  z-index: 10001;
  padding: 10px 18px;
  background: var(--gold);
  color: #191715;
  border-radius: 4px;
  font-size: 0.85rem;
  transition: top 0.2s;
}

.skip-link:focus-visible {
  top: 12px;
}

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

/* ---------- ローディング（墨ロゴ→シアターカーテン） ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

/* 上下の緞帳。is-loaded で上下に開く */
.loader__curtain {
  position: absolute;
  left: -1px;
  right: -1px;
  height: calc(50% + 1px);
  background: linear-gradient(180deg, #14100e, #1d1512);
  transition: transform 1.4s var(--ease-slow) 1.05s;
}

.loader__curtain--top {
  top: 0;
  border-bottom: 1px solid var(--bronze);
}

.loader__curtain--bottom {
  bottom: 0;
  background: linear-gradient(0deg, #14100e, #1d1512);
  border-top: 1px solid var(--bronze);
}

.is-loaded .loader__curtain--top {
  transform: translateY(-101%);
}

.is-loaded .loader__curtain--bottom {
  transform: translateY(101%);
}

/* 筆画がにじむように現れるロゴ */
.loader__emblem {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  transition: opacity 0.5s;
}

.loader__kanji {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: clamp(3.4rem, 9vw, 5.2rem);
  line-height: 1;
  color: var(--text);
  opacity: 0;
  filter: blur(10px);
  animation: inkIn 1.1s var(--ease-slow) 0.15s forwards;
}

.loader__rule {
  width: 0;
  height: 1px;
  background: var(--gold);
  animation: ruleGrow 0.9s var(--ease-slow) 0.55s forwards;
}

.loader__en {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  color: var(--gold);
  opacity: 0;
  animation: fadeSoft 0.8s ease 0.75s forwards;
}

@keyframes inkIn {
  from {
    opacity: 0;
    filter: blur(10px);
    transform: scale(1.06);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
  }
}

@keyframes ruleGrow {
  to {
    width: 84px;
  }
}

@keyframes fadeSoft {
  to {
    opacity: 1;
  }
}

.is-loaded .loader__emblem {
  /* fill-mode: forwards のアニメーションを打ち消してから隠す */
  opacity: 0;
}

.is-loaded .loader__emblem .loader__kanji,
.is-loaded .loader__emblem .loader__en {
  animation: none;
}

.is-loaded .loader {
  visibility: hidden;
  transition: visibility 0s 2.6s;
}

/* ---------- 縦のプログレスドット ---------- */
.dots-nav {
  position: fixed;
  right: clamp(18px, 3vw, 40px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
}

.dots-nav ul {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.dots-nav__dot {
  position: relative;
  display: block;
  width: 9px;
  height: 9px;
  border: 1px solid var(--muted);
  border-radius: 50%;
  transition:
    background-color 0.4s,
    border-color 0.4s,
    transform 0.4s var(--ease);
}

.dots-nav__dot:hover {
  border-color: var(--gold);
}

.dots-nav__dot.is-active {
  background: var(--gold);
  border-color: var(--gold);
  transform: scale(1.35);
  box-shadow: 0 0 0 4px rgba(201, 166, 107, 0.14);
}

/* ホバーで浮かぶラベル */
.dots-nav__label {
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translate(6px, -50%);
  white-space: nowrap;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--text);
  background: rgba(20, 16, 14, 0.88);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 3px 12px;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.35s,
    transform 0.45s var(--ease);
}

.dots-nav__dot:hover .dots-nav__label,
.dots-nav__dot:focus-visible .dots-nav__label {
  opacity: 1;
  transform: translate(0, -50%);
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition:
    background-color 0.5s,
    box-shadow 0.5s;
}

.header.is-scrolled {
  background: rgba(25, 23, 21, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding: 0 clamp(24px, 4vw, 56px);
}

.header__logo {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.header__logo-kanji {
  font-weight: 500;
  font-size: 1.6rem;
  line-height: 1;
}

.header__logo-en {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.42em;
  color: var(--gold);
}

.nav__list {
  display: flex;
  gap: 34px;
  align-items: center;
}

.nav__link {
  font-size: 0.86rem;
  position: relative;
  padding: 6px 0;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.5s var(--ease);
}

.nav__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav__link--cta {
  padding: 10px 28px;
  border: 1px solid var(--gold);
  color: var(--gold);
  transition:
    background-color 0.4s,
    color 0.4s;
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover {
  background: var(--gold);
  color: #191715;
}

/* モバイルトグル */
.nav-toggle {
  display: none;
  position: relative;
  z-index: 1001;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(25, 23, 21, 0.7);
  cursor: pointer;
}

.nav-toggle span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 18px;
  height: 1px;
  background: var(--text);
  transition:
    transform 0.4s var(--ease),
    top 0.4s var(--ease);
}

.nav-toggle span:nth-child(1) {
  transform: translate(-50%, calc(-50% - 4px));
}

.nav-toggle span:nth-child(2) {
  transform: translate(-50%, calc(-50% + 4px));
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translate(-50%, -50%) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  transform: translate(-50%, -50%) rotate(-45deg);
}

/* ---------- Hero（暗幕が晴れ、ゆっくりズームアウト） ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--header-h) + 20px) 0 80px;
}

.hero__bg {
  position: absolute;
  inset: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.18);
  transition: transform 4.5s var(--ease-slow) 1.2s;
}

.is-loaded .hero__bg img {
  transform: scale(1);
}

/* 暗幕。ロード後にゆっくり晴れて写真が見えてくる */
.hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      100deg,
      rgba(20, 16, 14, 0.92) 0%,
      rgba(20, 16, 14, 0.55) 55%,
      rgba(20, 16, 14, 0.35) 100%
    );
}

.hero__veil::after {
  content: "";
  position: absolute;
  inset: 0;
  background: #14100e;
  opacity: 1;
  transition: opacity 2.4s ease 1.3s;
}

.is-loaded .hero__veil::after {
  opacity: 0;
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.hero__eyebrow {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 0.76rem;
  letter-spacing: 0.42em;
  color: var(--gold);
  margin-bottom: 30px;
}

.hero__title {
  font-weight: 500;
  font-size: clamp(2.3rem, 5.6vw, 4.1rem);
  line-height: 1.7;
  letter-spacing: 0.1em;
  margin-bottom: 30px;
}

.hero__lead {
  font-size: clamp(0.92rem, 1.4vw, 1rem);
  font-weight: 300;
  color: rgba(237, 228, 211, 0.86);
  margin-bottom: 52px;
}

/* 文字マスク（clip-path で下から浮かび上がる） */
.mask-line {
  display: block;
}

.hero__eyebrow .mask-line {
  display: inline-block;
}

.mask-line span {
  display: inline-block;
  clip-path: inset(100% 0 -0.2em 0);
  transform: translateY(0.5em);
  transition:
    clip-path 1.5s var(--ease-slow),
    transform 1.5s var(--ease-slow);
}

.is-loaded .mask-line span {
  clip-path: inset(-0.2em 0 -0.2em 0);
  transform: translateY(0);
}

.is-loaded .hero__eyebrow .mask-line span {
  transition-delay: 2s;
}

.is-loaded .hero__title .mask-line:nth-child(1) span {
  transition-delay: 2.15s;
}

.is-loaded .hero__title .mask-line:nth-child(2) span {
  transition-delay: 2.32s;
}

.is-loaded .hero__lead .mask-line span {
  transition-delay: 2.5s;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 1s 2.75s,
    transform 1.2s var(--ease-slow) 2.75s;
}

.is-loaded .hero__actions {
  opacity: 1;
  transform: translateY(0);
}

/* スクロールキュー */
.hero__scroll {
  position: absolute;
  left: clamp(24px, 4vw, 56px);
  bottom: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.34em;
  color: var(--muted);
  writing-mode: vertical-rl;
}

.hero__scroll i {
  width: 1px;
  height: 72px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}

.hero__scroll i::after {
  content: "";
  position: absolute;
  left: 0;
  top: -50%;
  width: 100%;
  height: 50%;
  background: var(--gold);
  animation: scrollLine 2.4s var(--ease) infinite;
}

@keyframes scrollLine {
  to {
    top: 110%;
  }
}

/* ---------- ボタン ---------- */
/* 額縁ボタン（金の枠を塗り上がるホバー） */
.btn-frame {
  position: relative;
  display: inline-block;
  padding: 16px 46px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  overflow: hidden;
  transition: color 0.5s;
  isolation: isolate;
}

.btn-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.6s var(--ease);
}

.btn-frame:hover {
  color: #191715;
}

.btn-frame:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

/* 下線だけのテキストリンク */
.btn-ghost {
  position: relative;
  display: inline-block;
  padding-bottom: 8px;
  font-size: 0.9rem;
  letter-spacing: 0.14em;
}

.btn-ghost::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--line);
}

.btn-ghost::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.6s var(--ease);
}

.btn-ghost:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

/* ---------- セクション共通 ---------- */
.section {
  padding: clamp(90px, 13vw, 150px) 0;
}

.section__label {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 0.76rem;
  letter-spacing: 0.32em;
  color: var(--muted);
  margin-bottom: 24px;
}

.section__label-num {
  color: var(--gold);
  font-weight: 600;
}

.section__label-line {
  flex: 0 0 56px;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.2s var(--ease-slow) 0.3s;
}

.section__label.is-visible .section__label-line {
  transform: scaleX(1);
}

.section__title {
  font-weight: 500;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  line-height: 1.8;
  letter-spacing: 0.1em;
  margin-bottom: 34px;
}

/* フェード＆ライズ（ゆったりした長めのease） */
[data-reveal] {
  opacity: 0;
  transform: translateY(44px);
  transition:
    opacity 1.2s,
    transform 1.5s var(--ease-slow);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 光のシャイン（スクロールで写真の上を追いかける） ---------- */
[data-shine] {
  position: relative;
  overflow: hidden;
}

[data-shine]::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    115deg,
    transparent 42%,
    rgba(238, 222, 189, 0.17) 50%,
    transparent 58%
  );
  background-size: 260% 100%;
  background-repeat: no-repeat;
  background-position: var(--shine-x, 130%) 0;
}

/* ---------- Concept ---------- */
.concept {
  background: var(--bg);
}

.concept__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(44px, 7vw, 96px);
  align-items: center;
}

.concept__text {
  color: var(--muted);
  font-weight: 300;
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.concept__copy .btn-ghost {
  margin-top: 12px;
}

.concept__visual {
  position: relative;
  min-height: clamp(380px, 44vw, 540px);
}

.concept__img {
  position: absolute;
  margin: 0;
}

.concept__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.concept__img--main {
  right: 0;
  top: 0;
  width: 76%;
  aspect-ratio: 4 / 5;
}

.concept__img--sub {
  left: 0;
  bottom: 0;
  width: 48%;
  aspect-ratio: 4 / 3;
  box-shadow: 0 34px 60px -30px rgba(0, 0, 0, 0.7);
}

/* ---------- 数字のカウントアップ ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(70px, 9vw, 110px);
  padding-top: clamp(40px, 5vw, 60px);
  border-top: 1px solid var(--line);
}

.stats__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stats__num {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.2;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.stats__num small {
  font-family: var(--font-jp);
  font-size: 0.45em;
  margin-left: 6px;
  color: var(--text);
}

.stats__label {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--muted);
  letter-spacing: 0.1em;
}

/* ---------- スタッキング（stickyで覆いかぶさる） ---------- */
.stack {
  position: relative;
}

.stack__panel {
  position: sticky;
  top: 0;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--header-h) + 20px) 0 70px;
  /* 前のパネルの上に覆いかぶさる影 */
  box-shadow: 0 -40px 80px rgba(0, 0, 0, 0.5);
}

.stack__panel--rooms {
  background: var(--panel-rooms);
}

.stack__panel--cuisine {
  background: var(--panel-cuisine);
}

.stack__panel--onsen {
  background: var(--panel-onsen);
}

.stack__head {
  max-width: 720px;
}

.stack__lead {
  color: var(--muted);
  font-weight: 300;
  font-size: 0.95rem;
  margin: -8px 0 44px;
}

/* ---------- 画像カード（スローズーム＋キャプションせり上がり） ---------- */
.luxe-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 34px);
}

.luxe-card {
  position: relative;
  margin: 0;
}

/* 100svhのパネル内に収まるよう、高さはビューポート基準 */
.luxe-card__img {
  height: clamp(300px, 46svh, 560px);
}

.luxe-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform 1.8s var(--ease-slow);
}

.luxe-card:hover .luxe-card__img img {
  transform: scale(1.08);
}

.luxe-card__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: clamp(18px, 2.4vw, 28px);
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(15, 12, 10, 0.55) 35%,
    rgba(15, 12, 10, 0.92) 100%
  );
}

.luxe-card__en {
  display: block;
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 0.62rem;
  letter-spacing: 0.32em;
  color: var(--gold);
  margin-bottom: 6px;
}

.luxe-card__title {
  font-weight: 500;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.6;
  letter-spacing: 0.1em;
}

.luxe-card__text {
  font-size: 0.8rem;
  font-weight: 300;
  line-height: 1.9;
  color: rgba(237, 228, 211, 0.82);
  margin-top: 6px;
}

/* ホバーできる端末では、説明文をせり上がりで見せる */
@media (hover: hover) and (pointer: fine) {
  .luxe-card__text {
    max-height: 0;
    opacity: 0;
    transform: translateY(14px);
    overflow: hidden;
    margin-top: 0;
    transition:
      max-height 0.7s var(--ease),
      opacity 0.6s,
      transform 0.7s var(--ease),
      margin-top 0.7s var(--ease);
  }

  .luxe-card:hover .luxe-card__text,
  .luxe-card:focus-within .luxe-card__text {
    max-height: 6em;
    opacity: 1;
    transform: translateY(0);
    margin-top: 6px;
  }
}

/* ---------- Access / Reservation ---------- */
.access {
  background: var(--bg-alt);
}

.access__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(44px, 7vw, 96px);
  align-items: start;
}

.access__info {
  border-top: 1px solid var(--line);
}

.access__row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 18px;
  padding: 22px 6px;
  border-bottom: 1px solid var(--line);
}

.access__row dt {
  font-size: 0.85rem;
  color: var(--gold);
  letter-spacing: 0.14em;
}

.access__row dd {
  font-size: 0.9rem;
  font-weight: 300;
  color: rgba(237, 228, 211, 0.88);
}

.access__cta {
  text-align: center;
  border: 1px solid var(--gold-soft);
  padding: clamp(36px, 5vw, 56px) clamp(24px, 4vw, 44px);
}

.access__cta-en {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.42em;
  text-indent: 0.42em;
  color: var(--gold);
  margin-bottom: 18px;
}

.access__cta-lead {
  font-size: 0.92rem;
  font-weight: 300;
  margin-bottom: 26px;
}

.access__tel {
  margin-bottom: 30px;
  line-height: 1.6;
}

.access__tel a {
  display: block;
  font-family: var(--font-en);
  font-weight: 500;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: 0.1em;
  transition: color 0.4s;
}

.access__tel a:hover {
  color: var(--gold);
}

.access__tel span {
  font-size: 0.76rem;
  color: var(--muted);
  letter-spacing: 0.14em;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 48px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__logo {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.footer__logo-kanji {
  font-weight: 500;
  font-size: 1.4rem;
  line-height: 1;
}

.footer__logo-en {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 0.66rem;
  letter-spacing: 0.4em;
  color: var(--gold);
}

.footer__nav ul {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
}

.footer__nav a {
  font-size: 0.82rem;
  color: var(--muted);
  transition: color 0.35s;
}

.footer__nav a:hover {
  color: var(--gold);
}

.footer__copyright {
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 900px) {
  .pc-only {
    display: none;
  }

  /* ドットナビはモバイルでは非表示 */
  .dots-nav {
    display: none;
  }

  /* ナビ→フルスクリーン */
  .nav {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(20, 16, 14, 0.96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    transition:
      opacity 0.45s,
      visibility 0s 0.45s;
  }

  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.45s;
  }

  .nav__list {
    flex-direction: column;
    gap: 30px;
    text-align: center;
  }

  .nav__link {
    font-size: 1.15rem;
  }

  .nav-toggle {
    display: block;
  }

  /* Hero */
  .hero {
    padding-bottom: 100px;
  }

  .hero__scroll {
    display: none;
  }

  /* Concept */
  .concept__grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .concept__visual {
    min-height: 0;
    height: clamp(320px, 74vw, 460px);
  }

  .stats {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  /* スタッキングは通常フローに緩和（コンテンツ高が読みやすさ優先） */
  .stack__panel {
    position: static;
    min-height: 0;
    box-shadow: none;
    padding: clamp(80px, 16vw, 120px) 0;
  }

  .luxe-cards {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .luxe-card__img {
    height: auto;
    aspect-ratio: 4 / 3;
  }

  /* Access */
  .access__grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .access__row {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .loader {
    display: none;
  }

  .mask-line span {
    clip-path: none !important;
    transform: none !important;
  }

  .hero__bg img {
    transform: none !important;
  }

  .hero__veil::after {
    opacity: 0 !important;
  }

  .hero__actions,
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .section__label-line {
    transform: scaleX(1) !important;
  }

  [data-shine]::after {
    display: none;
  }

  /* スタッキングも通常フローへ */
  .stack__panel {
    position: static;
    min-height: 0;
    box-shadow: none;
  }

  .luxe-card__img img {
    transform: none !important;
  }
}