:root {
  --bg: #faf7f1;
  --surface: #ffffff;
  --surface-2: #f1ebe0;
  --text: #2a2620;
  --muted: #6b6357;
  --accent: #2d6a73;
  --accent-ink: #ffffff;
  --warm: #b8743a;
  --line: #e4dccd;
  --shadow: 0 10px 30px rgba(60, 45, 20, .08);
  --radius: 14px;
  --serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Noto Sans JP", system-ui, -apple-system, "Hiragino Sans", Meiryo, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --surface: #1d2024;
    --surface-2: #23272c;
    --text: #ece7de;
    --muted: #a9a195;
    --accent: #7cc1c9;
    --accent-ink: #10262a;
    --warm: #e0a46b;
    --line: #30353b;
    --shadow: 0 10px 30px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent); }

h1, h2, h3 { font-family: var(--serif); font-weight: 700; line-height: 1.45; }

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: .7rem clamp(1rem, 4vw, 2.5rem);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  color: var(--text);
  text-decoration: none;
  margin-right: auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--serif);
  font-size: 1.1rem;
}

.brand-text {
  display: flex;
  flex-direction: column;
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.2;
}

.brand-text small {
  font-family: var(--sans);
  font-weight: 500;
  font-size: .62rem;
  letter-spacing: .18em;
  color: var(--muted);
}

.nav { display: flex; gap: 1.25rem; }

.nav a {
  color: var(--text);
  text-decoration: none;
  font-size: .88rem;
}

.nav a:hover { color: var(--accent); }

/* ---------- ボタン ---------- */
.btn {
  display: inline-block;
  padding: .85rem 1.6rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--accent);
  transition: transform .15s ease, opacity .15s ease;
}

.btn:hover { transform: translateY(-1px); opacity: .92; }

.btn-small { padding: .45rem 1.1rem; font-size: .85rem; }

.btn-large { padding: 1.05rem 2.4rem; font-size: 1.05rem; }

.btn-ghost {
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .8);
  color: #fff;
}

/* ---------- ヒーロー ---------- */
.hero {
  position: relative;
  min-height: min(88vh, 760px);
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}

.hero picture,
.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 15, 25, .05) 30%, rgba(10, 15, 25, .72) 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.5rem) clamp(2.5rem, 7vw, 4.5rem);
}

.hero-eyebrow {
  margin: 0 0 .75rem;
  font-size: .85rem;
  letter-spacing: .12em;
  opacity: .9;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.9rem, 5.2vw, 3.3rem);
  letter-spacing: .04em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, .3);
}

.hero-lead {
  max-width: 560px;
  margin: 0 0 1.6rem;
  font-size: clamp(.92rem, 1.6vw, 1.02rem);
  opacity: .95;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ---------- 概要の数字 ---------- */
.facts {
  max-width: 1100px;
  margin: -2.5rem auto 0;
  padding: 0 clamp(1rem, 4vw, 2.5rem);
  position: relative;
  z-index: 2;
}

.facts ul {
  list-style: none;
  margin: 0;
  padding: 1.1rem;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: .5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.facts li {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: .4rem;
}

.facts li + li { border-left: 1px solid var(--line); }

.fact-num {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--accent);
}

.fact-label { font-size: .78rem; color: var(--muted); }

/* ---------- セクション共通 ---------- */
main { overflow: hidden; }

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6rem) clamp(1rem, 4vw, 2.5rem) 0;
}

.section-eyebrow {
  margin: 0 0 .35rem;
  color: var(--warm);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .25em;
}

.section h2,
.reserve h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
}

.section-lead { margin: -.5rem 0 2rem; color: var(--muted); }

.note { color: var(--muted); font-size: .85rem; }

/* ---------- コンセプト ---------- */
.intro {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: center;
}

.intro-text p { margin: 0 0 1rem; }

.intro-photo { margin: 0; }

.intro-photo img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 5;
  object-fit: cover;
  width: 100%;
}

.tags {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.tags li {
  padding: .25rem .85rem;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  font-size: .82rem;
}

/* ---------- 過ごし方 ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.feature img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }

.feature-body { padding: 1.25rem 1.4rem 1.5rem; }

.feature h3 { margin: 0 0 .5rem; font-size: 1.15rem; }

.feature p { margin: 0; color: var(--muted); font-size: .94rem; }

/* ---------- ペット ---------- */
.pet-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  background: var(--surface-2);
  border-radius: calc(var(--radius) + 6px);
  padding: clamp(1.5rem, 4vw, 3rem);
}

.pet-inner p { margin: 0 0 .9rem; }

.pet-inner img { border-radius: var(--radius); width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }

/* ---------- お部屋 ---------- */
.rooms {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.room img {
  border-radius: 10px;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin-bottom: .8rem;
}

.room h3 { margin: 0 0 .35rem; font-size: 1.05rem; }

.room p { margin: 0; color: var(--muted); font-size: .88rem; }

.floorplan {
  margin: 2.5rem auto 0;
  max-width: 760px;
  text-align: center;
}

.floorplan img {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .5rem;
  width: 100%;
}

.floorplan figcaption { margin-top: .5rem; color: var(--muted); font-size: .82rem; }

/* ---------- ギャラリー ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.25rem;
}

.filter {
  font: inherit;
  font-size: .85rem;
  padding: .35rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.filter.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: .6rem;
}

.gallery a {
  display: block;
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface-2);
}

.gallery img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  transition: transform .3s ease;
}

.gallery a:hover img { transform: scale(1.04); }

.gallery a[hidden] { display: none; }

/* ---------- 設備 ---------- */
.amenities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.amenity {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
}

.amenity h3 { margin: 0 0 .5rem; font-size: 1.02rem; }

.amenity ul { margin: 0; padding-left: 1.15rem; font-size: .9rem; }

.amenity .note { margin: .6rem 0 0; }

/* ---------- レビュー ---------- */
.rating-line { display: flex; align-items: baseline; gap: .75rem; flex-wrap: wrap; }

.rating-star {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--warm);
}

.reviews {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.review {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.4rem 1.2rem;
  display: flex;
  flex-direction: column;
}

.review p {
  margin: 0 0 1rem;
  font-size: .92rem;
  flex: 1;
}

.review p::before { content: "“"; font-family: var(--serif); font-size: 1.6rem; color: var(--warm); line-height: 0; margin-right: .15rem; }

.review footer { font-size: .78rem; color: var(--muted); }

.reviews-section > .note { margin-top: 1rem; }

/* ---------- アクセス ---------- */
.access {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.address { margin: 0 0 1.25rem; font-family: var(--serif); font-size: 1.15rem; }

.address .note { font-family: var(--sans); }

.access-list { margin: 0; }

.access-list dt { font-weight: 700; margin-top: .9rem; }

.access-list dd { margin: .15rem 0 0; color: var(--muted); font-size: .93rem; }

.map iframe {
  width: 100%;
  height: 100%;
  min-height: 340px;
  border: 0;
  border-radius: var(--radius);
}

/* ---------- 周辺スポット ---------- */
.spots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.spot {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.spot img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }

.spot-body { padding: 1.1rem 1.25rem 1.3rem; }

.spot h3 { margin: 0; font-size: 1.05rem; }

.spot-meta { margin: 0 0 .4rem; color: var(--warm); font-size: .8rem; font-weight: 700; }

.spot p { margin: 0 0 .5rem; font-size: .9rem; }

.spot-body > a { font-size: .85rem; }

/* ---------- ご利用案内 ---------- */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.guide-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem 1.5rem;
}

.guide-card h3 { margin: 0 0 .6rem; font-size: 1.05rem; }

.guide-card p { margin: 0 0 .6rem; font-size: .92rem; }

.time { display: flex; gap: 1rem; margin: 0 0 .8rem; }

.time div {
  flex: 1;
  background: var(--surface-2);
  border-radius: 10px;
  padding: .6rem .9rem;
  text-align: center;
}

.time dt { font-size: .78rem; color: var(--muted); }

.time dd { margin: 0; font-family: var(--serif); font-size: 1.35rem; font-weight: 700; }

.rules details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: .75rem;
}

.rules summary {
  cursor: pointer;
  padding: 1rem 1.25rem;
  font-weight: 700;
}

.rules ul { margin: 0; padding: 0 1.5rem 1.1rem 2.6rem; font-size: .92rem; }

.rules li { margin-bottom: .35rem; }

/* ---------- 予約 ---------- */
.reserve {
  margin-top: clamp(3.5rem, 8vw, 6rem);
  background:
    linear-gradient(rgba(15, 30, 35, .72), rgba(15, 30, 35, .72)),
    url("/images/24.webp") center / cover;
  color: #fff;
  text-align: center;
}

.reserve-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 5.5rem) clamp(1rem, 4vw, 2.5rem);
}

.reserve .section-eyebrow { color: #f2c08e; }

.reserve-actions { margin: 1.75rem 0 1rem; }

.reserve .btn { background: #fff; color: #1d4b52; border-color: #fff; }

.reserve .note { color: rgba(255, 255, 255, .8); }

/* ---------- フッター ---------- */
.site-footer {
  padding: 2.5rem 1rem 6rem;
  text-align: center;
  color: var(--muted);
  font-size: .85rem;
}

.site-footer p { margin: .2rem 0; }

.footer-name { font-family: var(--serif); font-size: 1.1rem; color: var(--text); }

.license { margin-top: .75rem !important; }

.updated { font-size: .75rem; opacity: .7; }

/* ---------- スマホ固定CTA ---------- */
.sticky-cta {
  display: none;
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 40;
  padding: .9rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  text-align: center;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .25);
}

/* ---------- ライトボックス ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 10, 12, .92);
  padding: 1rem;
}

.lightbox[hidden] { display: none; }

.lightbox figure { margin: 0; max-width: min(1200px, 100%); text-align: center; }

.lightbox img { max-height: 82vh; width: auto; margin: 0 auto; border-radius: 6px; }

.lightbox figcaption { color: #ddd; font-size: .9rem; margin-top: .6rem; }

.lightbox button {
  position: absolute;
  background: rgba(255, 255, 255, .12);
  color: #fff;
  border: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
}

.lb-close { top: 1rem; right: 1rem; }

.lb-prev { left: 1rem; top: 50%; transform: translateY(-50%); }

.lb-next { right: 1rem; top: 50%; transform: translateY(-50%); }

/* ---------- レスポンシブ ---------- */
@media (max-width: 960px) {
  .nav { display: none; }
  .rooms { grid-template-columns: repeat(2, 1fr); }
  .amenities, .spots, .reviews { grid-template-columns: repeat(2, 1fr); }
  .facts ul { grid-template-columns: repeat(3, 1fr); row-gap: .75rem; }
  .facts li + li { border-left: 0; }
}

@media (max-width: 640px) {
  .site-header .btn-small { display: none; }
  .hero { min-height: 82vh; }
  .facts ul { grid-template-columns: repeat(2, 1fr); }
  .facts li:last-child { grid-column: 1 / -1; }
  .intro, .pet-inner, .access, .features, .guide-grid { grid-template-columns: 1fr; }
  .intro-photo img { aspect-ratio: 3 / 2; }
  .rooms, .amenities, .reviews { grid-template-columns: 1fr; }
  .spots { grid-template-columns: 1fr 1fr; gap: .8rem; }
  .spot-body { padding: .8rem .9rem 1rem; }
  .spot p:not(.spot-meta) { display: none; }
  .gallery { grid-template-columns: repeat(2, 1fr); gap: .4rem; }
  .sticky-cta { display: block; opacity: 0; pointer-events: none; transform: translateY(12px); transition: opacity .25s ease, transform .25s ease; }
  .sticky-cta.is-visible { opacity: 1; pointer-events: auto; transform: none; }
  .hero h1 { font-size: 1.55rem; }
  .lb-prev, .lb-next { top: auto; bottom: 1.5rem; transform: none; }
  .lb-prev { left: calc(50% - 60px); }
  .lb-next { right: calc(50% - 60px); }
}