/* ============================================================
   Marinoe Organic Resort
   ============================================================ */

:root {
  --white: #ffffff;
  --off-white: #faf9f7;
  --beige: #f2efe9;
  --line: #e4e0d8;
  --ink: #1c1c1a;
  --text: #33322f;
  --text-soft: #6e6b64;
  --accent: #8a7f6b;

  --font-serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;

  --header-h: 84px;
  --header-h-sp: 64px;
  --container: 1180px;
  --gutter: 24px;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--white);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 2;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
}

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

/* スマホでのみ改行させる */
.br-sp { display: none; }
@media (max-width: 767px) { .br-sp { display: inline; } }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { font-family: var(--font-serif); font-weight: 400; margin: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.14em;
  padding: 16px 40px;
  border: 1px solid currentColor;
  transition: background-color .4s var(--ease), color .4s var(--ease);
  white-space: nowrap;
}
.btn-primary { color: var(--white); border-color: rgba(255,255,255,.7); }
.btn-primary:hover { background: var(--white); color: var(--ink); }
.btn-large { padding: 20px 56px; font-size: 14px; }

.reserve-section .btn-primary { color: var(--ink); border-color: var(--ink); }
.reserve-section .btn-primary:hover { background: var(--ink); color: var(--white); }

.btn-reserve {
  padding: 11px 24px;
  font-size: 12px;
  border-color: currentColor;
  flex-shrink: 0;
}
.btn-reserve:hover { background: var(--ink); color: var(--white); border-color: var(--ink); }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  color: var(--white);
  transition: background-color .5s var(--ease), color .5s var(--ease), height .3s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(255,255,255,.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo { display: block; line-height: 0; flex-shrink: 0; }
.logo-img { height: 26px; width: auto; transition: opacity .4s var(--ease); }
.logo-dark { display: none; }
.site-header.is-scrolled .logo-dark { display: block; }
.site-header.is-scrolled .logo-light { display: none; }

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav ul { display: flex; gap: 24px; flex-shrink: 0; }
/* ul 内のリンクのみ。ご予約ボタン（.btn-reserve）の余白を崩さないよう限定する */
.main-nav ul a {
  font-size: 12px;
  letter-spacing: 0.06em;
  position: relative;
  padding-bottom: 4px;
  white-space: nowrap;   /* 項目の途中で折り返さない */
}
.main-nav ul a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease);
}
.main-nav ul a:hover::after { transform: scaleX(1); }

/* Language switch */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 4px;
  flex: 0 0 auto;
}
.lang-btn {
  background: none;
  border: 0;
  padding: 4px 2px;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: inherit;
  opacity: .55;
  cursor: pointer;
  transition: opacity .3s var(--ease);
}
.lang-btn:hover { opacity: .85; }
.lang-btn.is-current {
  opacity: 1;
  border-bottom: 1px solid currentColor;
}
.lang-sep {
  font-size: 11px;
  opacity: .35;
}

/* Hamburger */
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  background: none; border: 0; padding: 0;
  cursor: pointer;
  position: relative;
  z-index: 110;
  flex: 0 0 40px;
  color: inherit;   /* button は色を継承しないため明示する */
  -webkit-tap-highlight-color: transparent;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  margin: 6px auto;
  background: currentColor;
  transition: transform .35s var(--ease), opacity .25s var(--ease);
}
/* 明るい写真の上でも白い線が沈まないように */
.site-header:not(.is-scrolled) .nav-toggle span {
  box-shadow: 0 0 3px rgba(0,0,0,.45);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-overlay {
  position: fixed; inset: 0;
  background: rgba(28,28,26,.4);
  opacity: 0; visibility: hidden;
  transition: opacity .4s var(--ease), visibility .4s var(--ease);
  z-index: 95;
}
.nav-overlay.is-active { opacity: 1; visibility: visible; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  overflow: hidden;
}
.hero-media { position: absolute; inset: 0; background: var(--ink); }
.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.8s var(--ease);
  will-change: opacity;
}
.hero-media img.is-active { opacity: 1; }

/* 白文字を確実に読ませるための重ねグラデーション */
.hero-scrim {
  position: absolute; inset: 0;
  background:
    radial-gradient(105% 72% at 50% 46%, rgba(12,12,10,.56) 0%, rgba(12,12,10,.36) 46%, rgba(12,12,10,0) 82%),
    linear-gradient(180deg, rgba(12,12,10,.5) 0%, rgba(12,12,10,.18) 38%, rgba(12,12,10,.24) 62%, rgba(12,12,10,.62) 100%);
}
.hero-content {
  position: relative;
  text-align: center;
  padding-inline: var(--gutter);
  text-shadow:
    0 1px 2px rgba(0,0,0,.3),
    0 4px 20px rgba(0,0,0,.4);
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 0.34em;
  margin: 0 0 28px;
  opacity: .92;
}
.hero h1 {
  font-size: clamp(28px, 4.6vw, 54px);
  line-height: 1.6;
  letter-spacing: 0.08em;
  margin-bottom: 28px;
  text-shadow:
    0 1px 3px rgba(0,0,0,.32),
    0 6px 30px rgba(0,0,0,.45);
}
.hero-lead {
  font-size: clamp(13px, 1.4vw, 15px);
  line-height: 2.1;
  letter-spacing: 0.1em;
  margin: 0 0 44px;
  text-shadow:
    0 1px 2px rgba(0,0,0,.4),
    0 3px 18px rgba(0,0,0,.5);
}
.hero .btn-primary {
  backdrop-filter: blur(3px);
  background: rgba(20,20,18,.14);
}
.hero .btn-primary:hover { background: var(--white); color: var(--ink); }
.scroll-cue {
  position: absolute;
  bottom: 34px; left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  letter-spacing: 0.24em;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-shadow: 0 1px 8px rgba(0,0,0,.5);
}
.scroll-cue span {
  width: 1px; height: 48px;
  background: linear-gradient(180deg, rgba(255,255,255,0), rgba(255,255,255,.9));
}

/* ============================================================
   Sections (common)
   ============================================================ */
.section { padding: clamp(72px, 10vw, 140px) 0; }

/* 見出しはすべて中央揃え。本文は各セクションで左揃えのまま */
.section-eyebrow {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--accent);
  margin: 0 0 16px;
  text-align: center;
}
.section-title {
  font-size: clamp(22px, 2.8vw, 34px);
  line-height: 1.7;
  letter-spacing: 0.09em;
  color: var(--ink);
  margin-bottom: clamp(36px, 5vw, 64px);
  text-align: center;
}

/* アクセスは地図と横並びのため左揃えを保つ */
.access-section .section-eyebrow,
.access-section .section-title { text-align: left; }

/* ---------- Lead statement ---------- */
.lead-statement {
  padding: clamp(72px, 11vw, 150px) var(--gutter);
  text-align: center;
  background: var(--white);
}
.statement-jp {
  font-family: var(--font-serif);
  color: var(--ink);
  margin: 0;
}
/* 理念の一行を主役に、続く説明はひと回り控えめに */
.statement-lead {
  display: block;
  font-size: clamp(21px, 3.4vw, 40px);
  line-height: 1.85;
  letter-spacing: 0.15em;
  margin-bottom: 0.85em;
}
.statement-sub {
  display: block;
  font-size: clamp(14px, 1.6vw, 19px);
  line-height: 2.2;
  letter-spacing: 0.12em;
  color: var(--text);
}
/* 補足の説明文は本文と同じ大きさ・書体で */
.statement-body {
  display: block;
  margin: 2.2em auto 0;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 300;
  line-height: 2;
  letter-spacing: 0.04em;
  color: var(--text);
}

/* ---------- Concept ---------- */
.concept-section { background: var(--off-white); }
.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.concept-text p { margin: 0 0 1.9em; font-size: 15px; }
.concept-text p:last-child { margin-bottom: 0; }
.concept-image img,
.concept-image video {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background: var(--beige);
}

/* ---------- Features ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 3.4vw, 52px) clamp(20px, 2.6vw, 40px);
}
.feature-media {
  overflow: hidden;
  margin-bottom: 22px;
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--beige);
}
.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}

/* --- Crossfade slideshow --- */
.feature-media[data-slideshow] img {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.4s var(--ease), transform 1.1s var(--ease);
  will-change: opacity;
}
.feature-media[data-slideshow] img.is-active { opacity: 1; }

.feature-card:hover .feature-media img { transform: scale(1.05); }
.feature-card h3 {
  font-size: 18px;
  letter-spacing: 0.09em;
  color: var(--ink);
  margin-bottom: 12px;
}
.feature-card p {
  font-size: 14px;
  line-height: 1.95;
  color: var(--text-soft);
  margin: 0;
}

/* ---------- Stay ---------- */
.stay-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 5vw, 80px);
}
.stay-specs li {
  display: flex;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.stay-specs li:first-child { border-top: 1px solid var(--line); }
.spec-label {
  flex: 0 0 110px;
  color: var(--accent);
  letter-spacing: 0.1em;
  font-size: 13px;
}
.spec-value { flex: 1; line-height: 1.9; }

.amenities h3 {
  font-size: 16px;
  letter-spacing: 0.1em;
  color: var(--ink);
  margin-bottom: 20px;
}
.amenities-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 20px;
}
.amenities-list li {
  font-size: 14px;
  color: var(--text-soft);
  position: relative;
  padding-left: 16px;
  line-height: 1.7;
}
.amenities-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 11px;
  width: 5px; height: 1px;
  background: var(--accent);
}
.stay-note {
  margin-top: clamp(32px, 4vw, 56px);
  font-size: 12px;
  color: var(--text-soft);
  letter-spacing: 0.06em;
  text-align: center;
}

/* ---------- Host ---------- */
.host-section { background: var(--beige); }
.host-container { max-width: 780px; text-align: center; }
.host-body p {
  font-size: 15px;
  line-height: 2.2;
  margin: 0 0 1.8em;
  text-align: left;
}
.host-signature {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 22px;
  margin-top: 48px;
  color: var(--ink);
}
/* 画像自体が円形に切り抜かれた透過PNG */
.sig-photo {
  flex: 0 0 auto;
  width: 96px;
  height: 96px;
}
/* .host-body p の左揃えより優先させる */
.host-body .sig-text {
  margin: 0;
  text-align: right;
  line-height: 1.8;
}
/* 字間の分だけ右端に余白が出るため、その分を詰めて右端を揃える */
.sig-company {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-soft);
  margin-right: -0.1em;
}
.sig-name {
  display: block;
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 0.16em;
  margin-top: 5px;
  margin-right: -0.16em;
}

/* ---------- Reviews ---------- */
.reviews-rating {
  font-size: 15px;
  letter-spacing: 0.14em;
  color: var(--ink);
  margin: -32px 0 clamp(32px, 4vw, 52px);
  text-align: center;
}
.reviews-rating span { font-size: 13px; color: var(--text-soft); letter-spacing: 0.06em; }

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 2.6vw, 32px);
}
.review-card {
  position: relative;
  margin: 0;
  padding: clamp(26px, 3vw, 40px);
  background: var(--off-white);
  border: 1px solid var(--line);
}
/* 右下に動物の線画をそっと添える（装飾のため読み上げ・操作の対象外） */
.review-card::after {
  content: "";
  position: absolute;
  right: clamp(18px, 2vw, 26px);
  bottom: clamp(18px, 2vw, 26px);
  background-repeat: no-repeat;
  background-position: bottom right;
  background-size: contain;
  opacity: .16;
  pointer-events: none;
}
/* カードごとに別の動物を。高さを揃え、幅は元の縦横比に合わせる */
.review-card:nth-child(1)::after {
  width: 74px; height: 90px;
  background-image: url("../assets/illust/deer.svg");
}
/* 白鳥とりすは体が太く大きく見えるため、ひと回り小さく */
.review-card:nth-child(2)::after {
  width: 74px; height: 66px;
  background-image: url("../assets/illust/swan.svg");
}
.review-card:nth-child(3)::after {
  width: 64px; height: 70px;
  background-image: url("../assets/illust/squirrel.svg");
}
.review-card:nth-child(4)::after {
  width: 78px; height: 90px;
  background-image: url("../assets/illust/bird.svg");
}
.review-card p {
  font-size: 14px;
  line-height: 2.05;
  color: var(--text);
  margin: 0 0 1.5em;
}
.review-card > p:last-of-type { margin-bottom: 22px; }
.review-card cite {
  display: block;
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent);
  padding-right: 115px;   /* 動物の線画と重ならないように */
}

/* --- 続きをみる（アコーディオン） --- */
.review-more {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .55s var(--ease);
}
.review-more > div { overflow: hidden; }
.review-more.is-open { grid-template-rows: 1fr; }
.review-more p:last-child { margin-bottom: 0; }

.review-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 18px 0 22px;
  padding: 0;
  background: none;
  border: 0;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--accent);
  cursor: pointer;
  transition: opacity .3s var(--ease);
}
.review-toggle:hover { opacity: .65; }
.review-toggle::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform .45s var(--ease);
}
.review-toggle[aria-expanded="true"]::after {
  transform: translateY(1px) rotate(-135deg);
}

/* ---------- Access ---------- */
.access-section { background: var(--off-white); }
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.access-list li {
  display: flex;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.access-list li:first-child { border-top: 1px solid var(--line); }
.access-note { font-size: 13px; color: var(--text-soft); margin-top: 24px; }

.access-map-link {
  display: inline-block;
  margin-top: 20px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--accent);
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
  transition: opacity .3s var(--ease);
}
.access-map-link:hover { opacity: .6; }

.access-map iframe {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  background: var(--beige);
  filter: grayscale(0.25) contrast(0.95);
}

/* ---------- House Rules ---------- */
.rules-section { background: var(--off-white); }
.rules-container { max-width: 860px; }
.rules-lead {
  font-size: 14px;
  color: var(--text-soft);
  margin: -32px 0 40px;
  text-align: center;
}

.rule-item { border-top: 1px solid var(--line); }
.rule-item:last-child { border-bottom: 1px solid var(--line); }

.rule-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  padding: 24px 4px;
  background: none;
  border: 0;
  font-family: var(--font-serif);
  font-size: 17px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: opacity .3s var(--ease);
}
.rule-head:hover { opacity: .6; }

/* 開閉を示す＋／− */
.rule-head::after {
  content: "";
  flex: 0 0 13px;
  width: 13px;
  height: 13px;
  background:
    linear-gradient(currentColor, currentColor) center/13px 1px no-repeat,
    linear-gradient(currentColor, currentColor) center/1px 13px no-repeat;
  transition: transform .4s var(--ease);
}
.rule-head[aria-expanded="true"]::after {
  background: linear-gradient(currentColor, currentColor) center/13px 1px no-repeat;
  transform: rotate(180deg);
}

.rule-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .5s var(--ease);
}
.rule-body > div { overflow: hidden; }
.rule-body ul { padding: 0 4px 26px; }
.rule-body li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.95;
  color: var(--text-soft);
}
.rule-body li:last-child { margin-bottom: 0; }
.rule-body li::before {
  content: "";
  position: absolute;
  left: 0; top: 13px;
  width: 6px; height: 1px;
  background: var(--accent);
}
.rule-body > div > p {
  margin: 0 4px 18px;
  font-size: 14px;
  line-height: 1.95;
  color: var(--text);
}
.rule-body.is-open { grid-template-rows: 1fr; }

/* ---------- Reserve ---------- */
.reserve-inner { text-align: center; }
.reserve-lead {
  font-size: 15px;
  margin: -24px 0 44px;
  color: var(--text-soft);
}
.reserve-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.reserve-buttons .btn { min-width: 280px; text-align: center; }

/* 各予約サイトのブランドカラーを、サイトのトーンに合わせて彩度を落として使用 */
.btn-airbnb {
  background: #DB5F63;   /* Airbnb #FF5A5F をわずかに落ち着かせた珊瑚色 */
  border-color: #DB5F63;
  color: var(--white);
}
.btn-airbnb:hover {
  background: #C44F53;
  border-color: #C44F53;
  color: var(--white);
}
.btn-booking {
  background: #1F4788;   /* Booking.com #003580 をわずかに明るくした藍 */
  border-color: #1F4788;
  color: var(--white);
}
.btn-booking:hover {
  background: #15356B;
  border-color: #15356B;
  color: var(--white);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,.8);
  padding: clamp(52px, 6vw, 80px) 0 40px;
}
.footer-inner { text-align: center; }
.footer-logo { height: 24px; width: auto; margin: 0 auto 32px; }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 28px;
  margin-bottom: 30px;
}
.footer-nav a {
  font-size: 12px;
  letter-spacing: 0.1em;
  transition: opacity .3s var(--ease);
}
.footer-nav a:hover { opacity: .6; }

.footer-sns {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 28px;
  color: rgba(255,255,255,.8);
  transition: opacity .3s var(--ease);
}
.footer-sns:hover { opacity: .6; }

.footer-copy {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,.45);
  margin: 0;
}

/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ============================================================
   Responsive — Tablet
   ============================================================ */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .access-grid { grid-template-columns: 1fr; }

  /* 言語切り替えはハンバーガーの左に置き、メニューを開いても操作できるようにする */
  .header-inner { justify-content: space-between; }
  .lang-switch {
    position: relative;
    z-index: 110;
    margin-left: auto;
    margin-right: 14px;
  }

  /* メニューを開いている間は白背景に重なるため、文字色を反転する */
  body.nav-open .lang-switch,
  body.nav-open .nav-toggle { color: var(--ink); }

  .nav-toggle { display: block; }

  .main-nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(84vw, 340px);
    background: var(--white);
    color: var(--ink);
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    padding: 80px 36px 40px;
    transform: translateX(100%);
    transition: transform .45s var(--ease);
    z-index: 105;
    overflow-y: auto;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav ul li { border-bottom: 1px solid var(--line); }
  .main-nav ul a {
    display: block;
    padding: 20px 2px;
    font-size: 14px;
    letter-spacing: 0.1em;
  }
  .main-nav ul a::after { display: none; }
  .btn-reserve {
    display: flex;
    margin-top: 32px;
    padding: 18px 26px;
    text-align: center;
    border-color: var(--ink);
    color: var(--ink);
  }
}

/* ============================================================
   Responsive — Smartphone
   ============================================================ */
@media (max-width: 767px) {
  :root { --header-h: var(--header-h-sp); --gutter: 20px; }

  body { font-size: 15px; }
  .br-pc { display: none; }

  /* ロゴ・言語切替・ハンバーガーが画面内に収まるよう詰める */
  .header-inner { gap: 10px; }
  .logo { flex-shrink: 1; min-width: 0; }
  .logo-img { height: 20px; max-width: 100%; }
  .lang-switch { margin-right: 6px; }

  .hero { height: 100svh; }
  .hero h1 { font-size: 23px; line-height: 1.85; letter-spacing: 0.04em; }

  /* 理念の一行はスマホでも折り返さないサイズに抑える */
  .statement-lead {
    font-size: 18px;
    letter-spacing: 0.04em;
    white-space: nowrap;
    margin-bottom: 1.1em;
  }
  .statement-sub { font-size: 15px; line-height: 2.1; }
  .statement-body { font-size: 14px; margin-top: 2em; text-align: left; }
  .eyebrow { margin-bottom: 20px; }

  .concept-grid,
  .stay-grid { grid-template-columns: 1fr; }
  .concept-image { order: -1; }
  .concept-image img,
  .concept-image video { aspect-ratio: 4 / 3; }

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

  .stay-specs li,
  .access-list li { flex-direction: column; gap: 4px; }
  .spec-label { flex: none; }
  .amenities { margin-top: 40px; }
  .amenities-list { grid-template-columns: 1fr; }

  .host-body p { font-size: 14px; }
  .host-signature {
    flex-direction: column;
    align-items: center;
    gap: 14px;
    margin-top: 40px;
  }
  .sig-photo { width: 92px; height: 92px; }
  /* .host-body p の左揃えより優先させる */
  .host-body .sig-text { text-align: center; }
  /* 字間の分だけ右に余白が生まれるため、その分を戻して視覚的な中央に揃える */
  .sig-company { font-size: 11px; text-indent: 0.1em; margin-right: 0; }
  .sig-name { font-size: 14px; text-indent: 0.16em; margin-right: 0; }

  .reviews-rating { margin-top: -20px; }

  .btn-large { padding: 18px 40px; width: 100%; max-width: 340px; text-align: center; }
  .reserve-buttons { flex-direction: column; align-items: center; gap: 14px; }
  .reserve-buttons .btn { min-width: 0; }
}

@media (max-width: 380px) {
  .logo-img { height: 20px; }
  /* 画面幅の狭い端末でも理念の一行を折り返さない */
  .statement-lead { font-size: 15px; letter-spacing: 0.02em; }
  .statement-sub { font-size: 13px; letter-spacing: 0.06em; }
}