:root {
  --brown: #332415;
  --brown-2: #4b3521;
  --orange: #f26a1b;
  --orange-2: #ffb33f;
  --cream: #fff6e8;
  --sand: #f3e2c7;
  --green: #6c8b2b;
  --ink: #1e1a16;
  --muted: #766b61;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(51, 36, 21, .18);
  --radius: 24px;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fffaf2;
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.75;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--brown);
  color: var(--white);
  padding: 8px 12px;
  z-index: 999;
}
.skip-link:focus { left: 8px; }

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: background .25s ease, box-shadow .25s ease, transform .25s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 250, 242, .94);
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 40px rgba(51, 36, 21, .12);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
}
.site-header.is-scrolled .brand { color: var(--brown); }
.brand img {
  width: 58px;
  height: 58px;
  border-radius: 999px;
  object-fit: cover;
  background: var(--white);
  box-shadow: 0 10px 30px rgba(0,0,0,.12);
}
.brand strong { display: block; font-size: 1.02rem; letter-spacing: .03em; }
.brand small { display: block; font-size: .68rem; letter-spacing: .16em; opacity: .8; }
.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--white);
  font-weight: 700;
  font-size: .93rem;
}
.site-header.is-scrolled .site-nav { color: var(--brown); }
.site-nav a { position: relative; }
.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--orange);
  transition: width .2s ease;
}
.site-nav a:hover::after { width: 100%; }
.nav-cta {
  padding: 10px 16px;
  border-radius: 999px;
  color: var(--white);
  background: var(--orange);
  box-shadow: 0 10px 26px rgba(242,106,27,.28);
}
.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 999px;
  background: rgba(255,255,255,.9);
  box-shadow: 0 10px 24px rgba(0,0,0,.12);
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--brown);
  margin: 4px auto;
}

.hero {
  min-height: 760px;
  position: relative;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}
.hero-bg, .hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-bg {
  object-fit: cover;
  transform: scale(1.03);
  filter: saturate(.9) contrast(1.04);
}
.hero-overlay {
  background:
    radial-gradient(circle at 78% 26%, rgba(242,106,27,.36), transparent 28%),
    linear-gradient(90deg, rgba(23,15,8,.82) 0%, rgba(23,15,8,.62) 46%, rgba(23,15,8,.18) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 82px;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--orange);
  font-weight: 900;
  letter-spacing: .16em;
  font-size: .82rem;
  text-transform: uppercase;
}
.hero .eyebrow { color: var(--orange-2); }
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 850px;
  margin-bottom: 22px;
  font-size: clamp(2.9rem, 6.6vw, 5.6rem);
  line-height: 1.04;
  letter-spacing: -.045em;
}

.hero-title-line {
  display: block;
  white-space: nowrap;
}

.lead {
  max-width: 700px;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: rgba(255,255,255,.92);
}
.hero-actions, .contact-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 900;
  letter-spacing: .02em;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--orange), #e94f12);
  box-shadow: 0 14px 34px rgba(242,106,27,.32);
}
.button-outline {
  color: var(--white);
  border-color: rgba(255,255,255,.68);
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(8px);
}
.button-outline-dark {
  color: var(--brown);
  border-color: rgba(51,36,21,.22);
  background: var(--white);
}
.hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.hero-note span {
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  color: rgba(255,255,255,.9);
  font-size: .87rem;
}

.quick-info {
  position: relative;
  z-index: 3;
  margin-top: -74px;
}
.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.quick-grid > div {
  min-height: 150px;
  padding: 24px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.94);
  box-shadow: var(--shadow);
}
.quick-label {
  display: block;
  color: var(--orange);
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .16em;
}
.quick-grid strong { display: block; margin: 6px 0; font-size: 1.35rem; color: var(--brown); }
.quick-grid p { margin: 0; color: var(--muted); font-size: .94rem; }

.section { padding: 100px 0; }
.section-warm { background: var(--cream); }
.section-dark {
  color: var(--white);
  background: radial-gradient(circle at 80% 15%, rgba(242,106,27,.2), transparent 34%), var(--brown);
}
.section-dark .eyebrow { color: var(--orange-2); }
.section-heading { max-width: 760px; margin-bottom: 38px; }
.section-heading.center { margin-left: auto; margin-right: auto; text-align: center; }
h2 {
  margin-bottom: 18px;
  color: var(--brown);
  font-size: clamp(2rem, 4.5vw, 4rem);
  line-height: 1.08;
  letter-spacing: -.04em;
}
.section-dark h2 { color: var(--white); }
.section-heading p, .section-copy p { color: var(--muted); }
.section-dark .section-heading p { color: rgba(255,255,255,.82); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .65fr);
  align-items: center;
  gap: 54px;
}
.concept-card {
  padding: 32px;
  border-radius: 34px;
  background: var(--white);
  box-shadow: var(--shadow);
  text-align: center;
  transform: rotate(1deg);
}
.concept-card img {
  width: min(320px, 100%);
  margin: 0 auto 20px;
  border-radius: 28px;
}
.concept-card h3 { color: var(--brown); letter-spacing: .08em; }
.concept-card p { margin-bottom: 0; color: var(--muted); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.feature-card, .scene-grid article, .plan-card {
  padding: 26px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 18px 45px rgba(51, 36, 21, .08);
}
.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 50px;
  height: 50px;
  margin-bottom: 18px;
  border-radius: 16px;
  color: var(--white);
  background: var(--brown);
  font-weight: 900;
}
.feature-card h3, .scene-grid h3, .plan-card h3 { margin-bottom: 10px; color: var(--brown); font-size: 1.22rem; }
.feature-card p, .scene-grid p, .plan-card li { color: var(--muted); font-size: .95rem; }

.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.scene-grid article { position: relative; overflow: hidden; }
.scene-grid article::before {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 100px;
  height: 100px;
  border-radius: 999px;
  background: rgba(242,106,27,.1);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.gallery-grid figure {
  margin: 0;
  overflow: hidden;
  border-radius: 24px;
  background: rgba(255,255,255,.08);
}
.gallery-grid img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  transition: transform .4s ease;
}
.gallery-grid figure:hover img { transform: scale(1.04); }
.gallery-grid figcaption {
  padding: 14px 16px;
  color: rgba(255,255,255,.86);
  font-size: .88rem;
}
.photo-placeholder {
  min-height: 320px;
  padding: 24px;
  border: 1px dashed rgba(255,255,255,.38);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(242,106,27,.22), rgba(255,255,255,.06)),
    rgba(255,255,255,.06);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.photo-placeholder span { color: var(--orange-2); font-weight: 900; letter-spacing: .14em; }
.photo-placeholder strong { display: block; font-size: 1.3rem; margin: 10px 0; }
.photo-placeholder p { margin: 0; color: rgba(255,255,255,.76); }

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.plan-card { position: relative; }
.plan-card.recommended {
  border: 2px solid var(--orange);
  transform: translateY(-10px);
}
.plan-label {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--orange);
  background: rgba(242,106,27,.1);
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .14em;
}
.price {
  margin: 18px 0;
  color: var(--brown);
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1;
}
.price span { font-size: .95rem; color: var(--muted); font-weight: 700; }
.plan-card ul { padding-left: 1.2em; margin: 0; }
.small-note { margin-top: 22px; color: var(--muted); font-size: .9rem; }
.small-note.light { color: rgba(255,255,255,.72); }

.flow-wrap { max-width: 980px; }
.flow-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.flow-list li {
  padding: 24px;
  border-radius: 24px;
  background: var(--white);
  box-shadow: 0 18px 45px rgba(51, 36, 21, .08);
}
.flow-list span {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  color: var(--white);
  background: var(--orange);
  font-weight: 900;
}
.flow-list strong { display: block; margin: 14px 0 6px; color: var(--brown); }
.flow-list p { margin: 0; color: var(--muted); font-size: .92rem; }

.narrow { width: min(calc(100% - 40px), 860px); }
.faq-list {
  display: grid;
  gap: 12px;
}
details {
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 14px 36px rgba(51, 36, 21, .08);
  overflow: hidden;
}
summary {
  padding: 20px 24px;
  color: var(--brown);
  font-weight: 900;
  cursor: pointer;
}
details p { padding: 0 24px 22px; color: var(--muted); margin: 0; }

.access-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 32px;
  align-items: center;
}
.access-name { font-size: 1.35rem; font-weight: 900; color: var(--orange-2); }
.map-card {
  min-height: 420px;
  overflow: hidden;
  border-radius: 30px;
  background: rgba(255,255,255,.08);
  box-shadow: 0 24px 70px rgba(0,0,0,.24);
}
.map-card iframe { width: 100%; height: 420px; border: 0; display: block; }

.contact-section { background: linear-gradient(180deg, #fffaf2 0%, var(--sand) 100%); }
.contact-card {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 36px;
  align-items: start;
  padding: 40px;
  border-radius: 34px;
  background: rgba(255,255,255,.82);
  box-shadow: var(--shadow);
}
.contact-form {
  display: grid;
  gap: 14px;
}
.contact-form label {
  display: grid;
  gap: 6px;
  color: var(--brown);
  font-size: .92rem;
  font-weight: 900;
}
.contact-form input, .contact-form textarea {
  width: 100%;
  border: 1px solid rgba(51,36,21,.16);
  border-radius: 16px;
  padding: 13px 14px;
  background: var(--white);
  outline: none;
}
.contact-form input:focus, .contact-form textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(242,106,27,.12);
}
.contact-form textarea { resize: vertical; }


.page-hero {
  min-height: 520px;
  position: relative;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}
.booking-cta-section {
  padding-top: 0;
}
.booking-final {
  padding-top: 42px;
}
.booking-cta-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 34px 40px;
  border-radius: 34px;
  color: var(--white);
  background: radial-gradient(circle at 85% 20%, rgba(242,106,27,.35), transparent 28%), var(--brown);
  box-shadow: var(--shadow);
}
.booking-cta-card h2,
.booking-cta-card p {
  color: var(--white);
}
.booking-cta-card p:last-child {
  margin-bottom: 0;
}
.booking-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.booking-bottom-card {
  align-items: center;
}
.booking-bottom-card .booking-cta-actions {
  justify-content: flex-end;
}

.site-footer {
  padding: 34px 0;
  color: rgba(255,255,255,.76);
  background: var(--brown);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.footer-inner strong { color: var(--white); }
.footer-inner p { margin: 0; }

@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: fixed;
    left: 20px;
    right: 20px;
    top: 86px;
    display: grid;
    gap: 0;
    padding: 12px;
    border-radius: 22px;
    background: rgba(255,250,242,.98);
    color: var(--brown);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: .2s ease;
  }
  .site-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .site-nav a { padding: 12px 14px; }
  .nav-cta { text-align: center; }
  .hero { min-height: 720px; }
  .quick-grid, .feature-grid, .scene-grid, .gallery-grid, .plan-grid, .flow-list, .access-grid, .contact-card, .split {
    grid-template-columns: 1fr 1fr;
  }
  .gallery-grid figure:first-child { grid-column: span 2; }
}

@media (max-width: 640px) {
  .container, .narrow { width: min(calc(100% - 28px), var(--container)); }
  .header-inner { padding: 12px 0; }
  .brand img { width: 48px; height: 48px; }
  .brand strong { font-size: .9rem; }
  .brand small { font-size: .58rem; }
  .hero { min-height: 690px; }
  .hero-overlay { background: linear-gradient(90deg, rgba(23,15,8,.86), rgba(23,15,8,.5)); }
  h1 { font-size: clamp(2.7rem, 15vw, 4.6rem); }
  .section { padding: 72px 0; }
  .quick-grid, .feature-grid, .scene-grid, .gallery-grid, .plan-grid, .flow-list, .access-grid, .contact-card, .split {
    grid-template-columns: 1fr;
  }
  .quick-info { margin-top: -48px; }
  .gallery-grid figure:first-child { grid-column: auto; }
  .gallery-grid img { height: 230px; }
  .plan-card.recommended { transform: none; }
  .contact-card { padding: 24px; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
}

.equipment-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.equipment-card, .notice-card {
  padding: 30px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 18px 45px rgba(51, 36, 21, .08);
}
.equipment-card h3, .notice-card h3 { color: var(--brown); margin-bottom: 14px; }
.check-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--muted);
  font-weight: 700;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--orange);
  font-weight: 900;
}
.muted-list li::before { content: "—"; color: var(--brown); }
.plan-grid-single {
  grid-template-columns: minmax(280px, 720px);
  justify-content: center;
}
.main-plan { transform: none; }
.notice-card {
  border: 2px solid rgba(242,106,27,.22);
  background: linear-gradient(135deg, rgba(242,106,27,.08), rgba(255,255,255,.96));
}
.notice-card p { margin-bottom: 0; color: var(--muted); }
.access-list {
  display: grid;
  gap: 8px;
  margin: 18px 0;
  padding-left: 1.2em;
  color: rgba(255,255,255,.88);
  font-weight: 700;
}

@media (max-width: 920px) {
  .equipment-grid { grid-template-columns: 1fr; }
  .plan-grid-single { grid-template-columns: 1fr; }
}
.plan-card.recommended.main-plan { transform: none; }

.rule-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.rule-card, .policy-card {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 18px 45px rgba(51, 36, 21, .08);
}
.rule-card h3, .policy-card h3 { color: var(--brown); margin-bottom: 10px; }
.rule-card p, .policy-card p { color: var(--muted); margin-bottom: 0; }
.policy-card + .policy-card { margin-top: 18px; }
.gas-note { margin-top: 18px; }
.policy-card p + p { margin-top: 12px; }
.policy-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 18px;
  background: #fffaf2;
}
.policy-table th, .policy-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(51,36,21,.1);
  text-align: left;
  vertical-align: top;
}
.policy-table th { color: var(--brown); width: 58%; }
.policy-table td { color: var(--muted); font-weight: 900; }
.policy-table tr:last-child th,
.policy-table tr:last-child td { border-bottom: 0; }
.policy-card-rain {
  border: 2px solid rgba(242,106,27,.22);
  background: linear-gradient(135deg, rgba(242,106,27,.08), rgba(255,255,255,.96));
}
.contact-card a, .site-footer a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 920px) {
  .rule-grid { grid-template-columns: 1fr; }
}


@media (max-width: 760px) {
  .page-hero { min-height: 480px; }
  .booking-cta-card, .booking-bottom-card { grid-template-columns: 1fr; }
  .booking-bottom-card .booking-cta-actions { justify-content: flex-start; }
}

.layout-card {
  display: grid;
  grid-template-columns: .42fr .58fr;
  gap: 28px;
  align-items: center;
  margin-top: 34px;
  padding: 30px;
  border-radius: 34px;
  background: var(--white);
  box-shadow: 0 18px 45px rgba(51, 36, 21, .08);
}
.layout-copy h3 {
  margin-bottom: 12px;
  color: var(--brown);
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  line-height: 1.16;
  letter-spacing: -.03em;
}
.layout-copy p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}
.layout-image {
  margin: 0;
  overflow: hidden;
  border-radius: 24px;
  background: #fffaf2;
}
.layout-image img {
  width: 100%;
  height: auto;
}
.layout-image figcaption {
  padding: 12px 16px;
  color: var(--muted);
  font-size: .88rem;
}

@media (max-width: 920px) {
  .layout-card { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .layout-card { padding: 18px; border-radius: 24px; }
}

.layout-card-image-only {
  display: block;
}
.layout-card-image-only .layout-image {
  width: 100%;
}
.layout-card-image-only .layout-image img {
  display: block;
}


.nearby-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 32px;
}
.nearby-card {
  padding: 28px;
  border-radius: 28px;
  background: var(--white);
  box-shadow: 0 18px 45px rgba(51, 36, 21, .08);
}
.nearby-card h3 {
  margin: 10px 0 10px;
  color: var(--brown);
  font-size: 1.35rem;
}
.nearby-card p {
  margin-bottom: 18px;
  color: var(--muted);
}
@media (max-width: 760px) {
  .nearby-grid { grid-template-columns: 1fr; }
}

.form-privacy-note {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: .9rem;
}
.form-privacy-note a {
  color: var(--brown);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.privacy-content {
  display: grid;
  gap: 18px;
}
.privacy-content .policy-card h2 {
  color: var(--brown);
  margin-bottom: 10px;
}
.privacy-content .policy-card .button {
  margin-top: 8px;
}

.simple-steps {
  margin: 0 0 14px;
  padding-left: 1.35em;
  color: var(--muted);
}
.simple-steps li + li { margin-top: 8px; }