:root {
  --bg: #100817;
  --bg-soft: #1b1024;
  --panel: #241330;
  --panel-2: #fff;
  --primary: #8b35ff;
  --primary-dark: #5e1cc4;
  --accent: #ffd54a;
  --accent-2: #ff6aa2;
  --text: #fff;
  --text-muted: rgba(255,255,255,.78);
  --dark: #21152b;
  --gray: #6b6274;
  --line: rgba(255,255,255,.14);
  --shadow: 0 24px 70px rgba(0,0,0,.28);
  --radius: 24px;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 0%, #3c1b5d 0%, transparent 34%), radial-gradient(circle at 88% 10%, #4a1345 0%, transparent 30%), var(--bg);
  line-height: 1.75;
}

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

.container { width: min(100% - 32px, var(--max)); margin: 0 auto; }
.hide-sp { display: inline; }

header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  background: rgba(16, 8, 23, .78);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  font-weight: 950;
  letter-spacing: .04em;
  line-height: 1.2;
  color: #fff;
  text-shadow: 0 2px 14px rgba(0, 0, 0, .45);
}

.brand-mark {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: #fff;
  border: 2px solid rgba(255, 213, 74, .85);
  box-shadow:
    0 0 0 4px rgba(255, 213, 74, .14),
    0 12px 34px rgba(0, 0, 0, .32);
  overflow: hidden;
}

.brand-mark img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.brand small {
  display: block;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 700;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  padding: 13px 22px;
  font-weight: 900;
  line-height: 1.1;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #ffb300);
  color: #261700;
  box-shadow: 0 14px 30px rgba(255, 213, 74, .22);
}
.btn-secondary {
  background: rgba(255,255,255,.12);
  color: #fff;
  border: 1px solid var(--line);
}
.btn-purple {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 16px 36px rgba(139,53,255,.3);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 42px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.03fr .97fr;
  gap: 36px;
  align-items: center;
}

.label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255,213,74,.35);
  color: var(--accent);
  background: rgba(255,213,74,.08);
  padding: 7px 13px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
  margin-bottom: 18px;
}

h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 78px);
  line-height: 1.04;
  letter-spacing: -.055em;
  font-weight: 950;
}

.hero-sub {
  margin: 20px 0 0;
  color: var(--text-muted);
  font-size: clamp(16px, 2vw, 20px);
  max-width: 660px;
  font-weight: 650;
}

.price-hero {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0;
  max-width: 620px;
}

.price-card {
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,.16), rgba(255,255,255,.08));
  border: 1px solid rgba(255,255,255,.18);
  padding: 18px;
  box-shadow: var(--shadow);
}

.price-card span {
  display: block;
  color: var(--text-muted);
  font-weight: 900;
  font-size: 13px;
}

.price-card strong {
  display: block;
  color: var(--accent);
  font-size: clamp(31px, 4vw, 48px);
  line-height: 1;
  letter-spacing: -.04em;
  margin-top: 5px;
}

.price-card small { color: var(--text-muted); font-weight: 800; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.trust-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.trust {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border-radius: 999px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.14);
  padding: 7px 12px;
  color: var(--text-muted);
  font-weight: 800;
  font-size: 13px;
}

.hero-visual {
  min-height: 520px;
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(139,53,255,.58), rgba(255,106,162,.35)), url('image/room-102.webp') center/cover;
  position: relative;
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.18);
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 24%, rgba(16,8,23,.88));
}

.visual-note {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  z-index: 2;
  background: rgba(255,255,255,.92);
  color: var(--dark);
  border-radius: 24px;
  padding: 18px;
  box-shadow: 0 14px 38px rgba(0,0,0,.22);
}

.visual-note b { font-size: 20px; display: block; }
.visual-note p { margin: 5px 0 0; color: var(--gray); font-weight: 700; }

section { padding: 76px 0; }
.section-head {
  max-width: 760px;
  margin-bottom: 30px;
}
.section-kicker {
  color: var(--accent);
  font-weight: 950;
  letter-spacing: .08em;
  font-size: 13px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.15;
  letter-spacing: -.04em;
}
.section-lead { color: var(--text-muted); font-weight: 650; font-size: 17px; margin: 14px 0 0; }

.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  border-radius: var(--radius);
  padding: 25px;
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 18px 45px rgba(0,0,0,.16);
}

.feature-card .icon {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: rgba(255,213,74,.14);
  color: var(--accent);
  font-size: 24px;
  margin-bottom: 15px;
}

.feature-card h3 { margin: 0 0 8px; font-size: 21px; line-height: 1.35; }
.feature-card p { margin: 0; color: var(--text-muted); font-weight: 600; }

.white-section {
  background: #faf7ff;
  color: var(--dark);
  border-radius: 48px 48px 0 0;
  margin-top: 36px;
}

.white-section .section-kicker { color: var(--primary-dark); }
.white-section .section-lead { color: var(--gray); }

.price-table-wrap {
  overflow: hidden;
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 20px 60px rgba(51, 28, 77, .12);
  border: 1px solid #eee5fa;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 20px 22px; border-bottom: 1px solid #eee5fa; }
th { background: #efe4ff; color: #421a6c; font-size: 14px; }
td { font-weight: 800; }
td strong { color: var(--primary-dark); font-size: 24px; }
tr:last-child td { border-bottom: 0; }
.note { color: var(--gray); font-size: 13px; margin-top: 12px; font-weight: 650; }

.coupon {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: center;
  margin-top: 24px;
  padding: 24px;
  border-radius: 28px;
  background: linear-gradient(135deg, #3b1860, #8b35ff);
  color: #fff;
  box-shadow: 0 18px 60px rgba(139,53,255,.28);
}
.coupon h3 { margin: 0; font-size: clamp(22px, 3vw, 34px); line-height: 1.25; }
.coupon p { margin: 6px 0 0; color: rgba(255,255,255,.82); font-weight: 700; }
.coupon-code {
  background: var(--accent);
  color: #261700;
  padding: 15px 20px;
  border-radius: 18px;
  font-size: 20px;
  font-weight: 950;
  white-space: nowrap;
  box-shadow: inset 0 -3px 0 rgba(0,0,0,.1);
}

.rooms-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
}
.room-main, .room-side {
  min-height: 360px;
  border-radius: 28px;
  overflow: hidden;
  position: relative;
  background-size: cover;
  background-position: center;
  box-shadow: 0 20px 60px rgba(51,28,77,.12);
}
.room-main { background-image: url('https://images.unsplash.com/photo-1618221195710-dd6b41faaea6?auto=format&fit=crop&w=1400&q=80'); }
.room-side { background-image: url('https://images.unsplash.com/photo-1613977257363-707ba9348227?auto=format&fit=crop&w=1000&q=80'); }
.room-main::after, .room-side::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.68));
}
.room-caption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 20px;
  z-index: 1;
  color: #fff;
}
.room-caption b { font-size: 24px; display: block; }
.room-caption span { color: rgba(255,255,255,.8); font-weight: 700; }

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 24px 20px;
  border-radius: 24px;
  background: #fff;
  border: 1px solid #eee5fa;
  box-shadow: 0 14px 38px rgba(51,28,77,.08);
}
.step::before {
  counter-increment: step;
  content: counter(step);
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 13px;
  background: var(--primary);
  color: #fff;
  font-weight: 950;
  margin-bottom: 14px;
}
.step h3 { margin: 0 0 7px; line-height: 1.35; }
.step p { margin: 0; color: var(--gray); font-weight: 650; font-size: 14px; }

.access-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  align-items: stretch;
  background: #fff;
  border-radius: 28px;
  padding: 18px;
  border: 1px solid #eee5fa;
  box-shadow: 0 20px 60px rgba(51,28,77,.12);
}
.access-info { padding: 16px; }
.access-info dl { margin: 0; display: grid; gap: 12px; }
.access-info div { padding-bottom: 12px; border-bottom: 1px solid #eee5fa; }
.access-info dt { color: var(--gray); font-size: 13px; font-weight: 900; }
.access-info dd { margin: 2px 0 0; font-weight: 850; }
.map-embed {
  min-height: 360px;
  border: 0;
  width: 100%;
  height: 100%;
  border-radius: 22px;
  background: #eee;
}

.faq-list { display: grid; gap: 12px; }
details {
  border-radius: 22px;
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.14);
  overflow: hidden;
}
summary {
  cursor: pointer;
  padding: 19px 22px;
  font-weight: 900;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
details p { margin: 0; padding: 0 22px 20px; color: var(--text-muted); font-weight: 650; }

footer {
  padding: 48px 0 104px;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: flex-start;
}
.footer-grid b { color: #fff; font-size: 20px; }
.footer-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.floating-cta {
  position: fixed;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  z-index: 50;
  width: min(calc(100% - 24px), 720px);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  padding: 8px;
  border-radius: 24px;
  background: rgba(16,8,23,.84);
  border: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(16px);
  box-shadow: 0 18px 50px rgba(0,0,0,.35);
}
.floating-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  border-radius: 18px;
  font-weight: 950;
  font-size: 14px;
}
.floating-cta a:nth-child(1) { background: var(--accent); color: #261700; }
.floating-cta a:nth-child(2), .floating-cta a:nth-child(3) { background: rgba(255,255,255,.12); color: #fff; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .hero-grid, .rooms-grid, .access-card { grid-template-columns: 1fr; }
  .hero { padding-top: 50px; }
  .hero-visual { min-height: 430px; }
  .cards-3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav-links a:not(.btn) { display: none; }
  section { padding: 62px 0; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 22px, var(--max)); }
  .hide-sp { display: none; }
  .nav { min-height: 64px; }
  .brand-mark { width: 48px; height: 48px; border-radius: 14px; }
  .brand-mark img { width: 39px; height: 39px;}
  .brand { font-size: 14px; }
  .nav-links .btn { display: none; }
  .hero { padding: 36px 0 24px; }
  h1 { font-size: clamp(36px, 12vw, 56px); }
  .price-hero { grid-template-columns: 1fr; }
  .price-card { padding: 17px; }
  .hero-actions .btn { width: 100%; min-height: 52px; }
  .hero-visual { min-height: 360px; border-radius: 28px; }
  .visual-note { left: 14px; right: 14px; bottom: 14px; border-radius: 20px; }
  .white-section { border-radius: 34px 34px 0 0; }
  th, td { padding: 15px 13px; font-size: 14px; }
  td strong { font-size: 20px; }
  .coupon { grid-template-columns: 1fr; text-align: center; }
  .coupon-code { width: 100%; }
  .steps { grid-template-columns: 1fr; }
  .access-card { padding: 12px; }
  .map-embed { min-height: 300px; }
  .footer-grid { flex-direction: column; }
  .footer-actions .btn { width: 100%; }
  .floating-cta { bottom: 10px; grid-template-columns: 1.1fr .95fr .95fr; border-radius: 20px; }
  .floating-cta a { min-height: 48px; font-size: 13px; border-radius: 15px; }
}

/* 料金表画像 */
.price-image-wrap {
  margin-top: 18px;
  text-align: center;
}

.price-image {
  width: 85%;
  height: auto;
  display: block;
  margin: 0 auto;
}

@media (max-width: 640px) {
  .price-image {
    width: 100%;
  }
}


/* ROOMS スライドショー */
.room-slider {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  position: relative;
  padding: 8px 0 18px;
  cursor: grab;
  scroll-behavior: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.room-slider::-webkit-scrollbar {
  display: none;
}

.room-slider:active {
  cursor: grabbing;
}

.room-slider::before,
.room-slider::after {
  content: "";
  position: sticky;
  top: 0;
  width: 90px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.room-slide-track {
  display: flex;
  gap: 18px;
  width: max-content;
}

.room-slide {
  flex: 0 0 360px;
  overflow: hidden;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 18px 45px rgba(51, 28, 77, .14);
}

.room-slide img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  user-select: none;
  -webkit-user-drag: none;
}

.room-number {
  margin: 0;
  padding: 12px 10px 14px;
  text-align: center;
  color: var(--dark);
  background: #fff;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.2;
}

@media (max-width: 980px) {
  .room-slide {
    flex-basis: 300px;
  }

  .room-slide img {
    height: 220px;
  }
}

@media (max-width: 640px) {
  .room-slider {
    padding-bottom: 16px;
  }

  .room-slide-track {
    gap: 12px;
  }

  .room-slide {
    flex-basis: 78vw;
    border-radius: 18px;
  }

  .room-slide img {
    height: 210px;
  }

  .room-number {
    font-size: 16px;
    padding: 10px 8px 12px;
  }
}


/* 画像拡大モーダル */
.room-slide img {
  cursor: zoom-in;
}

.image-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 56px 18px 24px;
  background: rgba(0, 0, 0, .82);
  opacity: 0;
  transition: opacity .25s ease;
}

.image-modal.is-open {
  display: flex;
  opacity: 1;
}

.image-modal-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: min(94vw, 1100px);
}

.image-modal-img {
  max-width: min(94vw, 1100px);
  max-height: 76vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .45);
  transform: scale(.96);
  transition: transform .25s ease;
}

.image-modal.is-open .image-modal-img {
  transform: scale(1);
}

.image-modal-room-number {
  margin: 14px 0 0;
  padding: 10px 18px;
  color: #21152b;
  background: #fff;
  border-radius: 999px;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.2;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .28);
}

.image-modal-close {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 10000;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, .95);
  color: #21152b;
  font-size: 32px;
  line-height: 1;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .28);
}

.image-modal-close:hover {
  background: #ffd54a;
}

body.is-modal-open {
  overflow: hidden;
}

@media (max-width: 640px) {
  .image-modal {
    padding: 64px 12px 20px;
  }

  .image-modal-content {
    max-width: 96vw;
  }

  .image-modal-img {
    max-width: 96vw;
    max-height: 72vh;
    border-radius: 8px;
  }

  .image-modal-room-number {
    margin-top: 12px;
    font-size: 16px;
    padding: 9px 16px;
  }

  .image-modal-close {
    top: 12px;
    right: 12px;
    width: 44px;
    height: 44px;
    font-size: 30px;
  }
}