/* ============================================================
   NEIGHBORS HOTEL TOKYO OTSUKA — style.css
   ベースカラー: #f5efe6 / テキスト: #3a2510 / アクセント: #865b39
   フォント(英): Libre Baskerville / フォント(日): Noto Serif JP
   ============================================================ */

/* ── リセット・ベース ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:      #f5efe6;
  --text:    #3a2510;
  --accent:  #865b39;
  --en:      'Libre Baskerville', serif;
  --ja:      'Noto Serif JP', serif;
  --sw:      clamp(160px, 15vw, 220px);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--ja);
  font-weight: 300;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ── サイドバー ────────────────────────────────────────────── */
.side {
  position: fixed;
  top: 0; left: 0;
  width: var(--sw);
  height: 100svh;
  background: var(--bg);
  border-right: 1px solid rgba(134,91,57,.12);
  display: flex;
  flex-direction: column;
  padding: clamp(24px,3vh,40px) clamp(20px,2vw,32px);
  z-index: 100;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s ease;
}
.side.side--visible {
  opacity: 1;
  pointer-events: auto;
}

.side-logo { margin-bottom: clamp(32px,4vh,52px); }
.side-logo img { width: clamp(80px,10vw,120px); height: auto; object-fit: contain; }

.side-nav { display: flex; flex-direction: column; gap: 4px; }
.side-nav li a {
  font-family: var(--en);
  font-size: clamp(10px,.9vw,13px);
  letter-spacing: .3em;
  text-transform: uppercase;
  opacity: .55;
  padding: 6px 0;
  transition: opacity .3s;
  display: block;
}
.side-nav li a:hover { opacity: 1; }

.side-lang { margin-top: auto; padding-top: clamp(24px,3vh,40px); }
.side-lang__label {
  font-family: var(--en);
  font-size: clamp(9px,.75vw,11px);
  letter-spacing: .3em;
  text-transform: uppercase;
  opacity: .4;
  margin-bottom: 10px;
}
.side-lang__list { display: flex; flex-direction: column; gap: 4px; }
.side-lang__list li a {
  font-family: var(--en);
  font-size: clamp(9px,.8vw,11px);
  letter-spacing: .1em;
  opacity: .5;
  transition: opacity .3s;
}
.side-lang__list li a:hover { opacity: 1; }

.side-reserve { margin-top: clamp(20px,2.5vh,32px); }
.side-reserve__btn {
  display: block;
  font-family: var(--en);
  font-size: clamp(9px,.8vw,11px);
  letter-spacing: .3em;
  text-transform: uppercase;
  border: 1px solid var(--accent);
  padding: 10px 14px;
  text-align: center;
  color: var(--accent);
  transition: background .3s, color .3s;
}
.side-reserve__btn:hover {
  background: var(--accent);
  color: var(--bg);
}

/* ── SP Header ─────────────────────────────────────────────── */
.sp-header {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  background: var(--bg);
  border-bottom: 1px solid rgba(134,91,57,.12);
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 1001;
}
.sp-header__logo img { width: 80px; height: auto; object-fit: contain; }

.sp-burger {
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 0;
}
.sp-burger span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--text);
  transition: transform .3s, opacity .3s;
  transform-origin: center;
}
.sp-burger.open span:nth-child(1) { transform: translateY(9.5px) rotate(45deg); }
.sp-burger.open span:nth-child(2) { opacity: 0; }
.sp-burger.open span:nth-child(3) { transform: translateY(-9.5px) rotate(-45deg); }

/* ── SP Drawer ─────────────────────────────────────────────── */
.sp-drawer {
  display: none;
  position: fixed;
  top: 56px; left: 0; right: 0; bottom: 0;
  background: var(--bg);
  flex-direction: column;
  padding: 32px 24px;
  z-index: 1000;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform .3s ease;
}
.sp-drawer.open { transform: translateX(0); }

.sp-drawer__nav { display: flex; flex-direction: column; gap: 0; }
.sp-drawer__nav li a {
  font-family: var(--en);
  font-size: 14px;
  letter-spacing: .3em;
  text-transform: uppercase;
  opacity: .7;
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid rgba(134,91,57,.1);
}

.sp-drawer__lang-label {
  font-family: var(--en);
  font-size: 10px;
  letter-spacing: .3em;
  text-transform: uppercase;
  opacity: .4;
  margin-top: 28px;
  margin-bottom: 12px;
}
.sp-drawer__lang { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.sp-drawer__lang li a {
  font-family: var(--en);
  font-size: 12px;
  letter-spacing: .1em;
  opacity: .6;
}

.sp-drawer__reserve { margin-top: 32px; }
.sp-drawer__reserve-btn {
  display: block;
  font-family: var(--en);
  font-size: 12px;
  letter-spacing: .3em;
  text-transform: uppercase;
  border: 1px solid var(--accent);
  padding: 14px 20px;
  text-align: center;
  color: var(--accent);
}

/* ── メインコンテンツ余白（サイドバー分 + 10px gap） ─────────── */
#about, #rooms, #area, #amenities, #access,
.site-footer {
  padding-left: calc(var(--sw) + 10px);
}

/* ── FV ────────────────────────────────────────────────────── */
.fv {
  height: 100svh;
  min-height: 500px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: minmax(0, 1fr);
  overflow: hidden;
}

/* 左: ロゴ・タイトルパネル */
.fv__info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 clamp(4vw, 6vw, 8vw);
  background: var(--bg);
  position: relative;
  z-index: 2;
  min-height: 0;
  overflow: hidden;
}

.fv__logo a { display: block; }
.fv__logo img {
  width: clamp(14vw, 18vw, 24vw);
  height: auto;
  object-fit: contain;
}
.fv__subtitle {
  font-family: var(--en);
  font-size: clamp(9px,.75vw,11px);
  letter-spacing: .35em;
  text-transform: uppercase;
  opacity: .45;
  margin-top: clamp(1vh, 1.5vh, 2vh);
}

.fv__location {
  font-family: var(--en);
  font-size: clamp(10px,.85vw,13px);
  letter-spacing: .4em;
  text-transform: uppercase;
  opacity: .5;
  margin-top: clamp(2vh, 3vh, 4vh);
  margin-bottom: 0;
}

.fv__slide-ui {
  position: absolute;
  bottom: clamp(3vh, 4.5vh, 6vh);
  left: clamp(4vw, 6vw, 8vw);
  display: flex;
  align-items: center;
  gap: 16px;
}

.slide-dots {
  display: flex;
  gap: 8px;
}
.slide-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  border: 1px solid rgba(58,37,16,.3);
  background: transparent;
  cursor: pointer;
  transition: background .3s, border-color .3s;
  padding: 0;
}
.slide-dot.active {
  background: var(--text);
  border-color: var(--text);
}

.slide-counter {
  font-family: var(--en);
  font-size: clamp(9px,.75vw,11px);
  letter-spacing: .2em;
  color: rgba(58,37,16,.45);
}
.slide-counter span { color: var(--text); }

/* 右: 画像パネル（四辺余白あり・中央配置） */
.fv__visual {
  position: relative;
  padding: clamp(5vh, 8vh, 11vh) clamp(4vw, 7vw, 10vw);
  min-height: 0;
  overflow: hidden;
}

.fv__slides-clip {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.fv__slides {
  display: flex;
  width: 100%;
  height: 100%;
}

.fv__slide {
  width: 100%;
  flex-shrink: 0;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.fv__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) blur(.3px) contrast(1.04);
  transform: scale(1.01);
}

/* アクティブスライド：一瞬モノクロ → 上から色が流れるアニメーション */
.fv__slide.active img {
  animation: fvColorIn 2.7s ease forwards;
}
@keyframes fvColorIn {
  0%, 10%  { filter: grayscale(100%) blur(.3px) contrast(1.04); }
  100%     { filter: grayscale(0%)   blur(.3px) contrast(1.04); }
}

/* ── About ──────────────────────────────────────────────────── */
#about {
  padding-top: clamp(64px,10vh,100px);
  padding-bottom: clamp(64px,10vh,100px);
  padding-right: clamp(40px,5vw,80px);
  min-height: 560px;
  display: flex;
  align-items: center;
}
.about__inner {
  display: flex;
  gap: clamp(32px,5vw,80px);
  align-items: center;
  width: 100%;
}
.about__images {
  flex: 0 0 42%;
  position: relative;
  height: 380px;
}
.aimg {
  position: absolute;
  overflow: hidden;
}
.aimg img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.aimg::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 40%;
  background: linear-gradient(to bottom, rgba(245,239,230,0) 0%, rgba(245,239,230,.85) 100%);
  pointer-events: none;
}
.aimg--1 { width: 60%; height: 62%; top: 0; left: 0; }
.aimg--2 { width: 52%; height: 50%; top: 28%; right: 0; }
.aimg--3 { width: 44%; height: 38%; bottom: 0; left: 10%; }

.about__text { flex: 1; }
.about__eyebrow {
  font-family: var(--en);
  font-size: clamp(10px,.85vw,13px);
  letter-spacing: .4em;
  text-transform: uppercase;
  opacity: .65;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.about__eyebrow::before {
  content: '';
  display: block;
  width: 24px; height: 1px;
  background: currentColor;
  opacity: .5;
  flex-shrink: 0;
}
.about__heading {
  font-family: var(--ja);
  font-size: clamp(20px,2.2vw,34px);
  font-weight: 400;
  letter-spacing: .08em;
  line-height: 1.6;
  margin-bottom: 24px;
}
.about__body {
  font-size: clamp(14px,1.1vw,16px);
  line-height: 2.1;
  letter-spacing: .06em;
  opacity: .82;
  margin-bottom: 20px;
}
.about__opened {
  font-family: var(--en);
  font-size: clamp(10px,.85vw,12px);
  letter-spacing: .3em;
  text-transform: uppercase;
  opacity: .45;
}

/* ── Rooms ──────────────────────────────────────────────────── */
#rooms {
  padding-top: clamp(64px,8vh,100px);
  padding-bottom: clamp(64px,8vh,100px);
  padding-right: clamp(40px,5vw,80px);
}
.section-header {
  margin-bottom: clamp(32px,4vh,56px);
}
.section-eyebrow {
  font-family: var(--en);
  font-size: clamp(10px,.85vw,13px);
  letter-spacing: .4em;
  text-transform: uppercase;
  opacity: .65;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-eyebrow::before {
  content: '';
  display: block;
  width: 24px; height: 1px;
  background: currentColor;
  opacity: .5;
  flex-shrink: 0;
}
.section-heading {
  font-family: var(--ja);
  font-size: clamp(22px,2.4vw,38px);
  font-weight: 400;
  letter-spacing: .08em;
  margin-bottom: 10px;
}
.section-subheading {
  font-size: clamp(12px,.9vw,14px);
  opacity: .65;
  letter-spacing: .06em;
}

.rooms-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px,2.5vw,40px);
}

.room-card {
  display: block;
  cursor: pointer;
}
.room-card__img {
  aspect-ratio: 4/3;
  overflow: hidden;
  margin-bottom: 16px;
  position: relative;
}
/* PC: モノクロ → ホバーでカラー */
.room-card__img img {
  filter: grayscale(100%);
  transition: filter 1s ease, transform 1.2s ease;
}
.room-card:hover .room-card__img img {
  filter: grayscale(0%);
  transform: scale(1.03);
}

.room-card__eyebrow {
  font-family: var(--en);
  font-size: clamp(9px,.75vw,11px);
  letter-spacing: .35em;
  text-transform: uppercase;
  opacity: .45;
  margin-bottom: 6px;
}
.room-card__name {
  font-family: var(--en);
  font-size: clamp(16px,1.5vw,24px);
  letter-spacing: .2em;
  text-transform: uppercase;
  font-weight: 400;
  margin-bottom: 8px;
}
.room-card__detail {
  font-family: var(--ja);
  font-size: clamp(11px,.9vw,13px);
  opacity: .5;
  letter-spacing: .1em;
}

/* ── Area ───────────────────────────────────────────────────── */
#area {
  padding-top: clamp(60px,8vh,100px);
  padding-bottom: clamp(60px,8vh,100px);
  padding-right: clamp(40px,5vw,80px);
  border-top: 1px solid rgba(134,91,57,.1);
}
.area__map {
  position: relative;
  width: 100%;
}
.area__map__bg {
  width: 100%;
  height: auto;
  display: block;
}
.area__spot {
  position: absolute;
  text-align: center;
  opacity: 0;
  transform: translate(-50%, -50%) translateY(16px);
  transition: opacity .7s ease, transform .7s ease;
}
.area__spot.visible {
  opacity: 1;
  transform: translate(-50%, -50%) translateY(0);
}
.area__spot img {
  width: 100%;
  height: auto;
  display: block;
}
.area__spot--spot1 img,
.area__spot--spot2 img,
.area__spot--spot3 img,
.area__spot--spot4 img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
}
.spot__name {
  font-family: var(--ja);
  font-size: clamp(14px,1.1vw,16px);
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--text);
  margin-top: 8px;
  line-height: 1.4;
  text-shadow: 0 0 8px rgba(245,239,230,1), 0 0 16px rgba(245,239,230,1), 0 0 26px rgba(245,239,230,1);
}
.spot__desc {
  font-family: var(--ja);
  font-size: clamp(13px,1vw,15px);
  font-weight: 500;
  letter-spacing: .03em;
  color: var(--text);
  margin-top: 4px;
  line-height: 1.5;
  text-shadow: 0 0 8px rgba(245,239,230,1), 0 0 16px rgba(245,239,230,1), 0 0 26px rgba(245,239,230,1);
}
/* 各スポット位置（bg_area.pngに対する%指定） */
.area__spot--spot1 { left: 28%; top: 20%; width: 18%; transition-delay: 0s; }
.area__spot--spot2 { left: 72%; top: 28%; width: 18%; transition-delay: .2s; }
.area__spot--hotel { left: 50%; top: 50%; width: 22%; transition-delay: .4s; }
.area__spot--spot3 { left: 22%; top: 73%; width: 18%; transition-delay: .6s; }
.area__spot--spot4 { left: 73%; top: 72%; width: 18%; transition-delay: .8s; }

/* ── Amenities ──────────────────────────────────────────────── */
#amenities {
  padding-top: clamp(64px,8vh,100px);
  padding-bottom: clamp(64px,8vh,100px);
  padding-right: clamp(40px,5vw,80px);
  border-top: 1px solid rgba(134,91,57,.1);
}
.amenities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(12px,1.5vw,24px);
  margin-bottom: clamp(32px,4vh,52px);
  padding: 0 5%;
}
.amenities-grid__img {
  aspect-ratio: 4/3;
  overflow: hidden;
  margin-bottom: 10px;
}
.amenities-grid__img img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.amenities-grid__caption {
  font-family: var(--ja);
  font-size: clamp(13px,1.1vw,17px);
  font-weight: 500;
  letter-spacing: .06em;
  opacity: .8;
  line-height: 1.6;
}
.amenities-list__label {
  font-family: var(--en);
  font-size: clamp(10px,.85vw,12px);
  letter-spacing: .35em;
  font-weight: 500;
  text-transform: uppercase;
  opacity: .75;
  margin-bottom: clamp(20px,2.5vh,32px);
}
.amenities-list__cats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px,2.5vh,36px) clamp(40px,5vw,80px);
}
.amenities-list__cat-name {
  font-family: var(--en);
  font-size: clamp(11px,.95vw,14px);
  font-weight: 700;
  letter-spacing: .25em;
  text-transform: uppercase;
  opacity: .55;
  margin-bottom: 4px;
}
.amenities-list__items {
  font-family: var(--ja);
  font-size: clamp(14px,1.1vw,16px);
  opacity: .8;
  line-height: 2;
  letter-spacing: .04em;
}

/* ── Access ─────────────────────────────────────────────────── */
#access {
  padding-top: clamp(64px,8vh,100px);
  padding-bottom: clamp(64px,8vh,100px);
  padding-right: clamp(40px,5vw,80px);
  border-top: 1px solid rgba(134,91,57,.1);
}
.access-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px,4vw,64px);
}
.access-hotel-name {
  font-family: var(--en);
  font-size: clamp(10px,.85vw,13px);
  letter-spacing: .3em;
  text-transform: uppercase;
  opacity: .55;
  margin-bottom: 24px;
}
.access-dl { display: flex; flex-direction: column; gap: 0; }
.access-row {
  display: grid;
  grid-template-columns: 9em 1fr;
  gap: 0 clamp(16px,2vw,32px);
  padding: clamp(12px,1.5vh,18px) 0;
  border-bottom: 1px solid rgba(134,91,57,.1);
}
.access-row:first-child { border-top: 1px solid rgba(134,91,57,.1); }
.access-row dt {
  font-family: var(--ja);
  font-size: clamp(13px,1vw,15px);
  font-weight: 500;
  opacity: .65;
  letter-spacing: .06em;
  padding-top: 2px;
}
.access-row dd {
  font-size: clamp(14px,1.1vw,16px);
  opacity: .85;
  line-height: 1.8;
  letter-spacing: .04em;
}
.access-row dd a { text-decoration: underline; text-underline-offset: 3px; }
.access-note-detail {
  font-size: clamp(10px,.8vw,12px);
  opacity: .65;
  display: block;
  margin-top: 4px;
  line-height: 1.7;
}
.access-map iframe { width: 100%; height: 360px; border: 0; }

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  padding-top: clamp(32px,4vh,48px);
  padding-bottom: clamp(32px,4vh,48px);
  padding-right: clamp(40px,5vw,80px);
  border-top: 1px solid rgba(134,91,57,.12);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.site-footer__nav {
  display: flex;
  gap: clamp(16px,2vw,32px);
  flex-wrap: wrap;
}
.site-footer__nav li a {
  font-family: var(--ja);
  font-size: clamp(10px,.8vw,12px);
  opacity: .55;
  letter-spacing: .06em;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.site-footer__nav li a:hover { opacity: 1; }
.site-footer__copy {
  font-family: var(--en);
  font-size: clamp(9px,.75vw,11px);
  letter-spacing: .1em;
  opacity: .4;
}

/* ── Legal Page ─────────────────────────────────────────────── */
.legal-page {
  max-width: 800px;
  margin: 0 auto;
  padding: clamp(40px,6vw,80px) clamp(20px,4vw,48px);
}
.legal-page__title {
  font-family: var(--ja);
  font-size: clamp(18px,2vw,28px);
  font-weight: 400;
  letter-spacing: .06em;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(134,91,57,.2);
}
.legal-dl { display: flex; flex-direction: column; gap: 0; }
.legal-row {
  display: grid;
  grid-template-columns: 12em 1fr;
  gap: 0 clamp(16px,2vw,32px);
  padding: clamp(12px,1.5vh,18px) 0;
  border-bottom: 1px solid rgba(134,91,57,.1);
}
.legal-row:first-child { border-top: 1px solid rgba(134,91,57,.1); }
.legal-row dt {
  font-family: var(--ja);
  font-size: clamp(11px,.9vw,13px);
  font-weight: 500;
  opacity: .65;
  letter-spacing: .06em;
  padding-top: 2px;
}
.legal-row dd {
  font-size: clamp(11px,.9vw,14px);
  opacity: .85;
  line-height: 1.8;
  letter-spacing: .04em;
}
.legal-row dd a { text-decoration: underline; text-underline-offset: 3px; }

/* ── 客室詳細ページ ─────────────────────────────────────────── */
.room-page { padding-left: calc(var(--sw) + 10px); }

.room-hero {
  width: 100%;
  aspect-ratio: 3/2;
  overflow: hidden;
}

.room-page-header {
  padding: clamp(32px,4vh,56px) clamp(40px,5vw,80px);
  display: flex;
  align-items: baseline;
  gap: clamp(14px,1.5vw,28px);
}
.room-page-header__eyebrow {
  font-family: var(--en);
  font-size: clamp(10px,.85vw,13px);
  letter-spacing: .35em;
  text-transform: uppercase;
  opacity: .45;
}
.room-page-header__name {
  font-family: var(--en);
  font-size: clamp(20px,2vw,32px);
  letter-spacing: .2em;
  text-transform: uppercase;
  font-weight: 400;
}
.room-page-header__back {
  margin-left: auto;
  font-family: var(--en);
  font-size: clamp(9px,.75vw,11px);
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
  opacity: .4;
  transition: opacity .3s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.room-page-header__back::before { content: "←"; }
.room-page-header__back:hover { opacity: 1; }

.room-scenes { display: flex; flex-direction: column; }
.room-scene {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 60vh;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .9s ease, transform .9s ease;
}
.room-scene.visible { opacity: 1; transform: translateY(0); }
.room-scene:nth-child(odd)  { direction: ltr; }
.room-scene:nth-child(even) { direction: rtl; }
.room-scene:nth-child(even) > * { direction: ltr; }

.room-scene__img { overflow: hidden; }
/* PC: モノクロ → ホバーでカラー */
.room-scene__img img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(60%);
  transition: filter 1s ease, transform 1.2s ease;
}
.room-scene:hover .room-scene__img img {
  filter: grayscale(0%);
  transform: scale(1.04);
}
.room-scene__space {
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(40px,5vw,80px);
}
.room-scene__text { max-width: 340px; }
.room-scene__label {
  font-family: var(--en);
  font-size: clamp(10px,.85vw,12px);
  font-weight: 600;
  letter-spacing: .35em;
  text-transform: uppercase;
  opacity: .55;
  margin-bottom: 12px;
}
.room-scene__title {
  font-family: var(--ja);
  font-size: clamp(18px,1.6vw,26px);
  font-weight: 400;
  letter-spacing: .08em;
  margin-bottom: clamp(14px,1.8vh,22px);
  line-height: 1.6;
}
.room-scene__copy {
  font-family: var(--ja);
  font-size: clamp(13px,1vw,15px);
  line-height: 2.1;
  letter-spacing: .06em;
  opacity: .82;
}

.room-detail {
  padding: clamp(48px,6vh,80px) clamp(40px,5vw,80px);
  border-top: 1px solid rgba(134,91,57,.12);
}
.room-detail__eyebrow {
  font-family: var(--en);
  font-size: clamp(10px,.85vw,12px);
  font-weight: 600;
  letter-spacing: .35em;
  text-transform: uppercase;
  opacity: .55;
  margin-bottom: clamp(24px,3vh,40px);
}
.room-detail__grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 600px;
}
.room-detail__row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0 clamp(20px,2.5vw,40px);
  padding: clamp(14px,1.8vh,20px) 0;
  border-bottom: 1px solid rgba(134,91,57,.1);
}
.room-detail__row:first-child { border-top: 1px solid rgba(134,91,57,.1); }
.room-detail__label {
  font-family: var(--ja);
  font-size: clamp(12px,.95vw,14px);
  font-weight: 500;
  opacity: .7;
  letter-spacing: .06em;
  padding-top: 2px;
}
.room-detail__value {
  font-size: clamp(12px,.95vw,14px);
  opacity: .85;
  line-height: 1.8;
}

.room-reserve {
  padding: clamp(40px,5vh,64px) clamp(40px,5vw,80px);
  border-top: 1px solid rgba(134,91,57,.1);
}
.room-reserve__btn {
  display: inline-block;
  font-family: var(--en);
  font-size: clamp(11px,.9vw,13px);
  letter-spacing: .3em;
  text-transform: uppercase;
  border: 1px solid var(--accent);
  padding: 14px 28px;
  color: var(--accent);
  transition: background .3s, color .3s;
}
.room-reserve__btn:hover { background: var(--accent); color: var(--bg); }

/* ── フェードイン共通 ───────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1.2s ease, transform 1.2s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   SP対応 ( max-width: 768px )
   ============================================================ */
@media (max-width: 768px) {

  /* サイドバー非表示 */
  .side { display: none !important; }

  /* SPヘッダー・ドロワー表示 */
  .sp-header { display: flex; }
  .sp-drawer { display: flex; }

  /* SP時のpadding-leftリセット（サイドバー分） */
  #about, #rooms, #area, #amenities, #access,
  .site-footer {
    padding-left: 20px !important;
    padding-right: 20px !important;
  }
  .room-page { padding-left: 0 !important; }

  /* SPトップに56pxのpaddingTop（ヘッダー分） */
  body { padding-top: 56px; }

  /* ── FV (SP) ── */
  .fv {
    grid-template-columns: 1fr !important;
    height: auto !important;
    min-height: auto !important;
  }
  .fv__info {
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 16px 20px !important;
  }
  .fv__logo img { width: 72px !important; }
  .fv__subtitle { margin-top: 6px !important; font-size: 9px; }
  .fv__location { display: none !important; }
  .fv__slide-ui {
    position: static !important;
    gap: 10px;
  }

  .fv__visual {
    padding: 0 16px 16px !important;
    height: 65vw;
    min-height: 220px;
  }

  .fv__slides {
    cursor: grab;
    height: 100%;
    touch-action: pan-y; /* 横スワイプをJSに委譲、縦スクロールはブラウザが担当 */
  }
  .fv__slides.is-dragging { cursor: grabbing; }

  /* SP: FVスライド - blur・scaleなし、SP専用カラーアップ */
  .fv__slide img {
    filter: grayscale(100%);
    transform: none;
  }
  .fv__slide.active img {
    animation: fvColorInSP 2.7s ease forwards;
  }
  @keyframes fvColorInSP {
    0%, 10%  { filter: grayscale(100%); }
    100%     { filter: grayscale(0%); }
  }

  /* ── SP ヘッダーロゴ: FVロゴが消えたら表示 ── */
  .sp-header__logo {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
  }
  .sp-header__logo.logo--visible {
    opacity: 1;
    pointer-events: auto;
  }

  /* ── About (SP) ── */
  #about {
    padding-top: 40px !important;
    padding-bottom: 48px !important;
    min-height: auto !important;
  }
  .about__inner {
    flex-direction: column;
    gap: 28px;
  }
  .about__images {
    flex: none !important;
    width: 100% !important;
    height: 280px !important;
  }
  .aimg--1 { width: 62%; height: 60%; top: 0; left: 0; }
  .aimg--2 { width: 54%; height: 50%; top: 26%; right: 0; }
  .aimg--3 { width: 46%; height: 38%; bottom: 0; left: 8%; }
  .about__text { order: -1; }
  /* About画像: 70%表示でカラーアップ */
  .aimg img {
    filter: grayscale(100%);
    transition: filter 1.8s ease;
  }
  .aimg img.color-in { filter: grayscale(0%); }

  /* ── Rooms (SP) ── */
  #rooms {
    padding-top: 40px !important;
    padding-bottom: 40px !important;
    border-top: 1px solid rgba(134,91,57,.25) !important;
  }
  .rooms-grid {
    grid-template-columns: 1fr !important;
    gap: 32px;
  }
  /* SP: 客室カード画像は常にカラー */
  .room-card__img img {
    filter: grayscale(0%) !important;
  }

  /* ── Area (SP) ── */
  #area {
    padding-top: 40px !important;
    padding-bottom: 40px !important;
    border-top: 1px solid rgba(134,91,57,.25) !important;
  }
  .area__spot--spot1,
  .area__spot--spot2,
  .area__spot--spot3,
  .area__spot--spot4 { width: 24%; }
  .area__spot--hotel { width: 28%; }
  .spot__name { font-size: 8px; }
  .spot__desc { display: none; }

  /* ── Amenities (SP) ── */
  #amenities {
    padding-top: 40px !important;
    padding-bottom: 40px !important;
  }
  .amenities-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .amenities-list__cats { grid-template-columns: 1fr !important; }

  /* ── Access (SP) ── */
  #access {
    padding-top: 40px !important;
    padding-bottom: 40px !important;
  }
  .access-inner { grid-template-columns: 1fr !important; gap: 28px; }
  .access-row { grid-template-columns: 7em 1fr; }
  .access-map iframe { height: 260px; }

  /* ── Footer (SP) ── */
  .site-footer {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 16px;
  }
  .site-footer__nav { gap: 12px; }

  /* ── 客室詳細 (SP) ── */
  .room-hero { aspect-ratio: 4/3; }

  .room-page-header {
    padding: 20px !important;
    flex-wrap: wrap;
    gap: 8px;
  }
  .room-page-header__back { margin-left: 0; }

  /* SP: 客室シーン — 左右交互（上池袋準拠） */
  .room-scene {
    grid-template-columns: 3fr 2fr;
    min-height: auto;
    direction: ltr !important;
  }
  .room-scene:nth-child(even) {
    grid-template-columns: 2fr 3fr;
    direction: ltr !important;
  }
  .room-scene:nth-child(even) > * { direction: ltr !important; }
  .room-scene__img {
    width: 100%;
    aspect-ratio: 1/1;
    min-height: auto;
    order: 0;
  }
  .room-scene:nth-child(even) .room-scene__img { order: 1; }
  .room-scene:nth-child(even) .room-scene__space { order: 0; }
  .room-scene__space {
    padding: 16px;
    justify-content: center;
    align-items: center;
  }
  .room-scene__text { max-width: 100%; }
  .room-scene__label { margin-bottom: 6px; font-size: 9px; }
  .room-scene__title { font-size: clamp(13px,3.5vw,18px); margin-bottom: 6px; }
  .room-scene__copy { display: block; font-size: clamp(10px,2.5vw,12px); line-height: 1.7; }
  .room-scene__img img { filter: grayscale(0%) !important; }

  .room-detail { padding: 40px 20px; }
  .room-detail__row { grid-template-columns: 110px 1fr; }
  .room-reserve { padding: 28px 20px !important; }
  .room-reserve__btn { display: block; text-align: center; }

  /* ── Legal (SP) ── */
  .legal-page { padding: 32px 20px; }
  .legal-row { grid-template-columns: 8em 1fr; }

  /* ── Area Page (SP) ── */
  .areapage { padding-left: 0 !important; }
  .areapage__header { padding: 20px 20px 16px !important; }
  .areapage__back { margin-bottom: 16px; }
  .areapage__content {
    grid-template-columns: 1fr !important;
    grid-template-rows: 280px auto;
  }
  .areapage__map-wrap {
    position: relative !important;
    height: 280px !important;
    top: auto !important;
    order: -1;
  }
  .areapage__list {
    padding: 0 16px !important;
    border-right: none !important;
  }
  .spot-card--active::before { left: -16px; }
}

/* ============================================================
   Area Detail Page (PC)
   ============================================================ */
.areapage { padding-left: var(--sw); }

.areapage__header {
  padding: clamp(48px,7vh,96px) clamp(40px,5vw,80px) clamp(32px,4vh,48px);
  border-bottom: 1px solid rgba(134,91,57,.1);
}

.areapage__back {
  display: inline-flex;
  align-items: center;
  font-family: var(--en);
  font-size: clamp(10px,.85vw,12px);
  letter-spacing: .2em;
  text-transform: uppercase;
  opacity: .45;
  margin-bottom: 28px;
  transition: opacity .3s;
  color: inherit;
  text-decoration: none;
  gap: 8px;
}
.areapage__back:hover { opacity: .9; }

.areapage__eyebrow {
  font-family: var(--en);
  font-size: clamp(10px,.85vw,13px);
  letter-spacing: .4em;
  text-transform: uppercase;
  opacity: .65;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.areapage__eyebrow::before {
  content: '';
  display: block;
  width: 24px; height: 1px;
  background: currentColor;
  opacity: .5;
  flex-shrink: 0;
}

.areapage__heading {
  font-family: var(--ja);
  font-size: clamp(22px,2.4vw,38px);
  font-weight: 400;
  letter-spacing: .08em;
  margin-bottom: 14px;
}

.areapage__sub {
  font-size: clamp(13px,1vw,15px);
  opacity: .6;
  letter-spacing: .06em;
  line-height: 1.9;
}

.areapage__content {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  align-items: start;
}

/* ── Spot List (left) ── */
.areapage__list {
  padding: clamp(24px,3vh,40px) clamp(28px,3.5vw,48px);
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(134,91,57,.1);
}

.spot-card {
  display: flex;
  gap: clamp(12px,1.5vw,20px);
  padding: clamp(20px,2.5vh,32px) 0;
  border-bottom: 1px solid rgba(134,91,57,.08);
  cursor: pointer;
  position: relative;
  transition: opacity .25s;
}
.spot-card:first-child { border-top: 1px solid rgba(134,91,57,.08); }

.spot-card--active::before {
  content: '';
  position: absolute;
  left: calc(-1 * clamp(28px,3.5vw,48px));
  top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
}

.spot-card__num {
  font-family: var(--en);
  font-size: clamp(24px,2.5vw,38px);
  font-weight: 700;
  color: var(--accent);
  opacity: .15;
  flex-shrink: 0;
  line-height: 1;
  padding-top: 2px;
  min-width: 2ch;
  transition: opacity .25s;
}
.spot-card--active .spot-card__num { opacity: .5; }

.spot-card__inner { flex: 1; min-width: 0; }

.spot-card__tags {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.spot-card__cat {
  font-family: var(--en);
  font-size: clamp(9px,.75vw,10px);
  letter-spacing: .22em;
  text-transform: uppercase;
  opacity: .5;
  border: 1px solid rgba(134,91,57,.3);
  padding: 2px 7px;
}

.spot-card__time {
  font-family: var(--en);
  font-size: clamp(10px,.85vw,12px);
  letter-spacing: .1em;
  color: var(--accent);
  font-weight: 700;
}

.spot-card__name {
  font-family: var(--ja);
  font-size: clamp(14px,1.2vw,19px);
  font-weight: 400;
  letter-spacing: .06em;
  line-height: 1.5;
  margin-bottom: 12px;
}

/* Route steps */
.spot-card__route {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 6px 4px;
  margin-bottom: 14px;
  padding: 10px 14px;
  background: rgba(134,91,57,.05);
  border-left: 2px solid rgba(134,91,57,.2);
}

.route-step { display: flex; flex-direction: column; gap: 1px; }

.route-step__mode {
  font-family: var(--en);
  font-size: clamp(8px,.7vw,10px);
  letter-spacing: .18em;
  text-transform: uppercase;
  opacity: .5;
  font-weight: 600;
}
.route-step--train .route-step__mode {
  font-family: var(--ja);
  text-transform: none;
  letter-spacing: .04em;
}

.route-step__time {
  font-family: var(--en);
  font-size: clamp(12px,1vw,15px);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .05em;
}

.route-step__note {
  font-family: var(--ja);
  font-size: clamp(9px,.75vw,10px);
  opacity: .5;
  letter-spacing: .03em;
}

.route-step__arrow {
  font-size: 12px;
  opacity: .3;
  align-self: center;
  padding: 0 2px;
  flex-shrink: 0;
  padding-top: 14px;
}

.spot-card__desc {
  font-family: var(--ja);
  font-size: clamp(13px,1vw,15px);
  line-height: 2;
  opacity: .72;
  letter-spacing: .04em;
  margin-bottom: 14px;
}

.spot-card__links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.spot-card__link {
  font-family: var(--en);
  font-size: clamp(10px,.85vw,11px);
  letter-spacing: .15em;
  transition: opacity .3s;
  color: inherit;
  text-decoration: none;
}
.spot-card__link--official {
  color: #555;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.spot-card__link--official:hover { color: #222; }
.spot-card__link--map {
  color: var(--accent);
  font-weight: 600;
  opacity: .8;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.spot-card__link--map:hover { opacity: 1; }

/* ── Map (right, sticky) ── */
.areapage__map-wrap {
  position: sticky;
  top: 0;
  height: 100svh;
}

#areamap { width: 100%; height: 100%; }

/* ── Area section CTA (main TOP page) ── */
.area-cta {
  text-align: right;
  padding-top: clamp(16px,2vh,24px);
}
.area-cta__link {
  font-family: var(--en);
  font-size: clamp(11px,.9vw,13px);
  letter-spacing: .2em;
  color: var(--accent);
  opacity: .8;
  transition: opacity .3s;
  text-decoration: none;
}
.area-cta__link:hover { opacity: 1; }
.area__spot { cursor: default; }
a.area__spot { cursor: pointer; text-decoration: none; color: inherit; }

/* ============================================================
   Area Detail Page – SP Tab System
   ============================================================ */
.area-tabs { display: none; }

.area-tab {
  flex: 1;
  height: 44px;
  font-size: 13.5px;
  letter-spacing: .06em;
  color: var(--text);
  background: none;
  border: none;
  border-bottom: 2.5px solid transparent;
  cursor: pointer;
  opacity: .5;
  -webkit-tap-highlight-color: transparent;
  transition: color .2s, opacity .2s;
}
.area-tab--active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  opacity: 1;
  font-weight: 500;
}

@media (max-width: 768px) {
  .area-tabs {
    display: flex;
    position: sticky;
    top: 0;
    z-index: 20;
    background: var(--bg);
    border-bottom: 1px solid rgba(134,91,57,.12);
  }

  /* Override grid → flex for tab control */
  .areapage__content {
    display: flex !important;
    flex-direction: column !important;
    grid-template-rows: none !important;
  }

  /* List tab (default): show list, hide map */
  .areapage[data-tab="list"] .areapage__map-wrap,
  .areapage:not([data-tab]) .areapage__map-wrap {
    display: none !important;
  }
  .areapage[data-tab="list"] .areapage__list,
  .areapage:not([data-tab]) .areapage__list {
    display: flex !important;
    order: 0 !important;
    padding: 0 16px !important;
  }

  /* Map tab: full-height map, hide list */
  .areapage[data-tab="map"] .areapage__list {
    display: none !important;
  }
  .areapage[data-tab="map"] {
    padding-right: 0 !important;
  }
  .areapage[data-tab="map"] .areapage__content {
    padding: 0 !important;
    margin: 0 !important;
    width: 100%;
  }
  .areapage[data-tab="map"] .areapage__map-wrap {
    display: flex !important;
    flex-direction: column !important;
    height: calc(100svh - 160px) !important;
    width: 100% !important;
    position: relative !important;
    top: auto !important;
    order: 0 !important;
    overflow: hidden;
  }
  .areapage[data-tab="map"] #areamap {
    flex: 1;
    width: 100% !important;
    height: auto !important;
  }

  /* Spot info bar (map view) */
  .areapage[data-tab="map"] .spot-info-bar.is-active {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 12px 16px 14px;
    background: var(--bg);
    border-bottom: 1px solid rgba(134,91,57,.12);
    flex-shrink: 0;
  }
  .spot-info-bar__header {
    display: flex;
    align-items: baseline;
    gap: 8px;
  }
  .spot-info-bar__num {
    font-family: var(--en);
    font-size: .7rem;
    letter-spacing: .1em;
    color: var(--accent);
    opacity: .8;
    flex-shrink: 0;
  }
  .spot-info-bar__name {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text);
    flex: 1;
    line-height: 1.3;
  }
  .spot-info-bar__time {
    font-size: .875rem;
    color: rgba(58,37,16,.85);
    flex-shrink: 0;
  }
  .spot-info-bar__summary {
    font-size: .8rem;
    color: var(--text);
    opacity: .72;
    line-height: 1.55;
    margin-top: 2px;
  }
  .spot-info-bar__route {
    font-size: .75rem;
    color: var(--accent);
    opacity: .85;
  }
  .spot-info-bar__links {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 1px;
  }
  .spot-info-bar__official,
  .spot-info-bar__map-link {
    font-size: .75rem;
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
  }
}

.spot-info-bar { display: none; }

/* ── Leaflet custom map pins ── */
.lmap-pin--hotel {
  width: 30px;
  height: 30px;
  background: #865b39;
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0,0,0,.35);
  position: relative;
}
.lmap-pin--hotel::after {
  content: 'NEIGHBORS HOTEL';
  position: absolute;
  top: 32px;
  left: 50%;
  transform: translateX(-50%);
  background: #865b39;
  color: #fff;
  font-size: 9px;
  font-family: 'Libre Baskerville', serif;
  letter-spacing: .06em;
  padding: 2px 7px;
  border-radius: 3px;
  white-space: nowrap;
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
}
.lmap-pin--spot {
  position: relative;
  width: 28px;
  height: 28px;
  background: #e05c38;
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0,0,0,.4);
}
.lmap-pin--spot::after {
  content: '';
  position: absolute;
  bottom: -9px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-top: 9px solid #e05c38;
}

/* ── Location permission prompt ────────────────────────────── */
.location-prompt {
  display: none;
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 800;
  background: var(--bg);
  border: 1px solid rgba(134,91,57,.18);
  border-radius: 8px;
  padding: 8px 14px;
  box-shadow: 0 2px 14px rgba(0,0,0,.2);
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.location-prompt.is-visible { display: flex; }
.location-prompt__text {
  font-size: .78rem;
  color: var(--text);
  letter-spacing: .03em;
}
.location-prompt__btns { display: flex; gap: 7px; }
.location-prompt__yes {
  font-size: .72rem;
  padding: 5px 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  letter-spacing: .04em;
  white-space: nowrap;
}
.location-prompt__skip {
  font-size: .72rem;
  padding: 5px 9px;
  background: none;
  border: 1px solid rgba(134,91,57,.28);
  border-radius: 4px;
  cursor: pointer;
  color: var(--text);
  opacity: .65;
  white-space: nowrap;
}