:root {
  --color-blue: #6f8f9b;
  --color-blue-dark: #405c67;
  --color-bg: #f7f4ee;
  --color-bg-deep: #d8d8d2;
  --color-surface: #fffdf8;
  --color-stone: #b9bbb5;
  --color-text: #202725;
  --color-muted: #6d7470;
  --color-green: #2f4c3e;
  --color-fire: #c26f3b;
  --color-charcoal: #161d1c;
  --color-line: rgba(32, 39, 37, 0.16);
  --color-white: #fffdf8;
  --font-display: "Cormorant Garamond", "Times New Roman", serif;
  --font-serif: "Noto Serif JP", serif;
  --font-body: "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(32, 39, 37, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(32, 39, 37, 0.03) 1px, transparent 1px),
    var(--color-bg);
  background-size: 42px 42px;
  color: var(--color-text);
  font-family: var(--font-body);
  font-family: var(--font-serif);
  line-height: 1.85;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  border-bottom: 1px solid var(--color-line);
  background: rgba(244, 242, 237, 0.92);
  backdrop-filter: blur(18px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-100%);
  transition: opacity 180ms ease, transform 180ms ease;
}

.site-header.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
  min-height: 88px;
  max-width: 1320px;
  margin: 0 auto;
  padding: 10px 34px;
}

.brand-logo {
  display: block;
  width: 140px;
  height: auto;
}

.site-nav {
  display: flex;
  justify-content: flex-end;
  gap: 23px;
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0;
  white-space: nowrap;
}

.site-nav a,
.header-cta,
.button {
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease, transform 180ms ease;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  background: var(--color-blue);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

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

.site-nav a:hover::after {
  transform: scaleX(1);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid var(--color-blue);
  border-radius: 999px;
  background: var(--color-blue);
  padding: 0 20px;
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
}

.header-cta:hover,
.button:hover {
  transform: translateY(-1px);
}

/* Shared */
.section {
  padding: 112px 0;
}

.section-dark {
  background: var(--color-charcoal);
  color: var(--color-white);
}

.section-stone {
  background: rgba(216, 216, 210, 0.46);
  border-block: 1px solid rgba(32, 39, 37, 0.12);
}

.section-kicker {
  margin: 0 0 14px;
  color: var(--color-blue-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font-body);
}

.section-dark .section-kicker {
  color: #a8c3ca;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
}

h1,
h2 {
  font-family: var(--font-display);
  font-weight: 600;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(46px, 5vw, 76px);
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.45;
  font-family: var(--font-serif);
}

p {
  margin: 0;
}

.lead {
  margin: 0 0 20px;
  font-size: 23px;
  line-height: 1.75;
}

.section-heading {
  max-width: 720px;
  margin: 0 0 46px;
}

.section-heading p:not(.section-kicker) {
  margin-top: 20px;
  color: var(--color-muted);
}

.container {
  width: min(var(--container), calc(100% - clamp(68px, 10vw, 152px)));
  margin: 0 auto;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 0 28px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
}

.button-primary {
  border-color: var(--color-blue-dark);
  background: var(--color-blue);
  color: var(--color-white);
}

.button-primary:hover {
  background: var(--color-blue-dark);
}

.button-outline {
  border-color: var(--color-blue-dark);
  color: var(--color-blue-dark);
}

.button.access-map-button {
  min-height: 52px;
  padding: 0 28px;
  font-size: 14px;
}

.texture-image,
.card-photo,
.nature-photo {
  display: block;
  width: 100%;
  object-fit: cover;
  object-position: center;
}

/* Hero */
.hero {
  position: relative;
  display: grid;
  min-height: 92svh;
  overflow: hidden;
  color: #fff;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  --hero-pan-from: -3.2%;
  --hero-pan-to: 3.2%;
  --hero-pan-y: 0;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.05);
  transform: scale(1.08) translate3d(var(--hero-pan-from), var(--hero-pan-y), 0);
  transform-origin: center;
}

.hero-image-next {
  opacity: 0;
  transition: opacity var(--hero-fade-duration, 900ms) ease;
}

.hero-image-next.is-active {
  opacity: 1;
}

.hero.is-rotating .hero-image {
  opacity: 0;
  transition: opacity var(--hero-fade-duration, 900ms) ease;
}

.hero.is-rotating .hero-image.is-active {
  opacity: 1;
}

.hero-image.is-panning {
  animation: hero-pan var(--hero-pan-duration, 6100ms) linear both;
  will-change: transform, opacity;
}

@keyframes hero-pan {
  from {
    transform: scale(1.08) translate3d(var(--hero-pan-from), var(--hero-pan-y), 0);
  }

  to {
    transform: scale(1.08) translate3d(var(--hero-pan-to), var(--hero-pan-y), 0);
  }
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(10, 15, 14, 0.9), rgba(10, 15, 14, 0.54) 48%, rgba(10, 15, 14, 0.16)),
    linear-gradient(0deg, rgba(10, 15, 14, 0.56), transparent 38%);
}

.hero-content {
  position: relative;
  z-index: 1;
  align-self: center;
  width: min(var(--container), calc(100% - 96px));
  margin: 0 auto;
  padding: 88px 0 72px;
}

.hero-logo-title {
  display: grid;
  align-items: end;
  justify-items: center;
  width: 100%;
  height: clamp(190px, 24vw, 300px);
  margin-bottom: 22px;
  max-width: 880px;
  margin-right: auto;
  margin-left: auto;
}

.hero-logo-title img {
  width: auto;
  max-width: min(620px, 64vw);
  max-height: 100%;
  object-fit: contain;
}

.hero-lead {
  margin-top: 0;
  margin-bottom: 18px;
  font-size: 26px;
  line-height: 1.7;
}

.hero-copy {
  max-width: 620px;
  margin-top: 0;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 16px;
}

/* Concept */
.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: 70px;
  align-items: center;
}

.two-column-reverse {
  grid-template-columns: minmax(420px, 1.1fr) minmax(0, 0.9fr);
}

.section-copy {
  max-width: 560px;
}

.texture-panel {
  display: grid;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: rgba(255, 253, 248, 0.54);
}

.texture-image {
  height: 100%;
  min-height: 520px;
}

/* Camp */
.camp-feature {
  align-items: center;
}

.camp-feature-visual {
  position: relative;
  display: grid;
  min-height: 560px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: rgba(255, 253, 248, 0.54);
}

.camp-feature-visual picture {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.camp-feature-visual .texture-image {
  width: 100%;
  height: 100%;
  min-height: 560px;
}

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

.photo-card {
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: rgba(255, 253, 248, 0.72);
}

.card-photo {
  aspect-ratio: 4 / 3;
}

.photo-card h3,
.photo-card p {
  padding-inline: 22px;
}

.photo-card h3 {
  padding-top: 20px;
}

.photo-card p {
  padding-bottom: 24px;
  color: var(--color-muted);
  font-size: 14px;
}

/* Nature */
.nature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.nature-feature {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: rgba(255, 253, 248, 0.76);
}

.nature-photo {
  aspect-ratio: 5 / 4;
}

.nature-feature div:last-child {
  padding: 24px;
}

.nature-feature span {
  display: block;
  margin-bottom: 18px;
  color: var(--color-blue-dark);
  font-family: var(--font-display);
  font-size: 32px;
  line-height: 1;
}

.nature-feature p {
  margin-top: 12px;
  color: var(--color-muted);
  font-size: 14px;
}

.nature-dots {
  display: none;
}

/* Scenes */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.scene-card {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: rgba(255, 253, 248, 0.74);
  box-shadow: 0 14px 34px rgba(22, 29, 28, 0.07);
}

.scene-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
}

.scene-card-body {
  padding: 24px;
}

.scene-card span {
  color: var(--color-blue-dark);
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1;
}

.scene-card h3 {
  margin-top: 14px;
}

.scene-card p {
  margin-top: 12px;
  color: var(--color-muted);
  font-size: 14px;
}

.scene-dots,
.facility-dots {
  display: none;
}

/* Reservation */
.plan-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.plan-card {
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.74);
  box-shadow: 0 14px 34px rgba(22, 29, 28, 0.07);
  padding: 24px 26px;
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.plan-card:hover {
  box-shadow: 0 22px 58px rgba(22, 29, 28, 0.14);
  transform: translateY(-4px);
}

.plan-label {
  margin-bottom: 10px;
  color: var(--color-blue-dark);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.price {
  margin-bottom: 12px;
  font-family: var(--font-display);
  font-size: 44px;
  line-height: 1;
}

.plan-card p:last-child {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.7;
}

.price-note {
  margin-top: 22px;
  color: var(--color-muted);
  font-size: 13px;
}

.reservation-panel {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: center;
  margin-top: 34px;
  border: 1px solid rgba(64, 92, 103, 0.28);
  background: #dde3df;
  color: var(--color-text);
  box-shadow: 0 22px 58px rgba(22, 29, 28, 0.12);
  padding: 34px 40px;
}

.reservation-panel h3 {
  font-family: var(--font-display);
  font-size: 34px;
}

.reservation-panel p {
  margin-top: 10px;
  color: var(--color-muted);
}

.reservation-panel .button-primary {
  flex: 0 0 auto;
  min-height: 64px;
  padding: 0 38px;
  font-size: 15px;
}

/* FAQ / Access */
.faq-access-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
}

.faq-access-grid .section-kicker {
  color: var(--color-blue-dark);
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  padding: 18px 20px;
}

summary {
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 700;
}

details p {
  margin-top: 12px;
  color: var(--color-muted);
  font-size: 14px;
}

.access-column {
  min-width: 0;
}

.map-embed {
  overflow: hidden;
  margin: 24px 0 22px;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
}

.map-embed iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  min-height: 260px;
  border: 0;
}

.access-address {
  margin-bottom: 18px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
}

.access-routes {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.access-routes section {
  border-left: 2px solid rgba(111, 143, 155, 0.72);
  padding-left: 16px;
}

.access-routes h3 {
  margin-bottom: 4px;
  font-family: var(--font-body);
  font-size: 14px;
}

.access-routes p {
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.75;
}

/* Footer */
.site-footer {
  display: grid;
  gap: 34px;
  background: var(--color-charcoal);
  color: rgba(255, 255, 255, 0.72);
  padding: 54px clamp(28px, 5vw, 72px);
}

.footer-sites {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 5vw, 76px);
  align-items: end;
}

.footer-site {
  display: block;
}

.footer-site-link {
  border-left: 1px solid rgba(255, 253, 248, 0.12);
  padding-left: clamp(28px, 5vw, 76px);
}

.footer-logo-link {
  display: inline-block;
  transition: opacity 180ms ease;
}

.footer-logo-link:hover {
  opacity: 0.78;
}

.footer-logo {
  width: 230px;
  height: auto;
}

.site-footer p {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.68);
}

.site-footer .footer-contact {
  margin-top: 12px;
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.8;
}

.footer-social-icon {
  width: 22px;
  height: 22px;
  margin-top: 14px;
  opacity: 0.76;
}

.footer-home-link {
  width: fit-content;
  color: rgba(255, 253, 248, 0.76);
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.08em;
  transition: color 180ms ease;
}

.footer-home-link:hover {
  color: var(--color-white);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  border-top: 1px solid rgba(255, 253, 248, 0.12);
  padding-top: 20px;
  font-family: var(--font-body);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.02em;
}

.footer-legal a {
  color: rgba(255, 253, 248, 0.62);
}

.footer-legal a:hover {
  color: var(--color-white);
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 20px;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.1em;
}

@media (max-width: 1100px) {
  .header-inner {
    grid-template-columns: auto auto;
  }

  .two-column,
  .faq-access-grid,
  .footer-sites {
    grid-template-columns: 1fr;
  }

  .footer-site-link {
    border-top: 1px solid rgba(255, 253, 248, 0.12);
    border-left: 0;
    padding-top: 28px;
    padding-left: 0;
  }

  .two-column-reverse .section-copy {
    order: -1;
  }

  .site-nav {
    display: none;
  }

  .photo-row,
  .plan-grid {
    grid-template-columns: 1fr;
  }

  .facility-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scene-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .nature-grid {
    display: flex;
    gap: 18px;
    width: auto;
    overflow-x: auto;
    padding: 0 0 8px;
    scroll-padding: 0;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .nature-grid::-webkit-scrollbar {
    display: none;
  }

  .nature-feature {
    flex: 0 0 calc((100% - 18px) / 2.35);
    scroll-snap-align: start;
  }

  .nature-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 18px;
  }

  .nature-dots button {
    width: 9px;
    height: 9px;
    border: 0;
    border-radius: 50%;
    background: rgba(109, 116, 112, 0.28);
    cursor: pointer;
    padding: 0;
    transition: background 180ms ease, transform 180ms ease, width 180ms ease;
  }

  .nature-dots button.is-active {
    width: 24px;
    border-radius: 999px;
    background: var(--color-blue-dark);
  }

  .nature-dots button:focus-visible {
    outline: 2px solid var(--color-blue-dark);
    outline-offset: 4px;
  }

  .reservation-panel {
    align-items: flex-start;
    flex-direction: column;
  }

  .reservation-panel .button-primary {
    width: 100%;
    min-height: 58px;
    padding: 0 24px;
  }
}

@media (max-width: 720px) {
  .header-inner {
    min-height: 72px;
    padding: 9px 18px;
  }

  .brand-logo {
    width: 112px;
    height: auto;
    max-width: 56vw;
  }

  .site-nav {
    display: none;
  }

  .section {
    padding: 76px 0;
  }

  .container {
    width: min(100% - 36px, var(--container));
  }

  .hero-image {
    object-position: center top;
  }

  .hero-overlay {
    background:
      linear-gradient(0deg, rgba(10, 15, 14, 0.88), rgba(10, 15, 14, 0.58) 42%, rgba(10, 15, 14, 0.12) 76%),
      linear-gradient(90deg, rgba(10, 15, 14, 0.42), rgba(10, 15, 14, 0.08));
  }

  .hero-content {
    width: min(100% - 36px, 760px);
    padding: 76px 0 62px;
  }

  .hero {
    min-height: 88svh;
  }

  .camp-feature-visual {
    min-height: 0;
    aspect-ratio: 4 / 5;
  }

  .camp-feature-visual .texture-image {
    height: 100%;
    min-height: 0;
  }

  .hero-logo-title {
    height: 166px;
    max-width: 100%;
  }

  .hero-logo-title img {
    width: auto;
    max-width: min(82vw, 360px);
  }

  .button {
    min-width: 0;
    min-height: 44px;
    padding-inline: 12px;
    font-size: 13px;
  }

  .scene-grid,
  .facility-cards {
    display: flex;
    gap: 16px;
    width: auto;
    overflow-x: auto;
    padding: 0 0 8px;
    scroll-padding: 0;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .scene-grid::-webkit-scrollbar,
  .facility-cards::-webkit-scrollbar {
    display: none;
  }

  .scene-card,
  .facility-card {
    flex: 0 0 min(82vw, 340px);
    scroll-snap-align: start;
  }

  .scene-dots,
  .facility-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 18px;
  }

  .scene-dots button,
  .facility-dots button {
    width: 9px;
    height: 9px;
    border: 0;
    border-radius: 50%;
    background: rgba(109, 116, 112, 0.28);
    cursor: pointer;
    padding: 0;
    transition: background 180ms ease, transform 180ms ease, width 180ms ease;
  }

  .scene-dots button.is-active,
  .facility-dots button.is-active {
    width: 24px;
    border-radius: 999px;
    background: var(--color-blue-dark);
  }

  .scene-dots button:focus-visible,
  .facility-dots button:focus-visible {
    outline: 2px solid var(--color-blue-dark);
    outline-offset: 4px;
  }

  .nature-grid {
    display: flex;
    gap: 16px;
    width: auto;
    overflow-x: auto;
    padding: 0 0 8px;
    scroll-padding: 0;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .nature-grid::-webkit-scrollbar {
    display: none;
  }

  .nature-feature {
    flex: 0 0 min(82vw, 340px);
    scroll-snap-align: start;
  }

  .nature-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 18px;
  }

  .nature-dots button {
    width: 9px;
    height: 9px;
    border: 0;
    border-radius: 50%;
    background: rgba(109, 116, 112, 0.28);
    cursor: pointer;
    padding: 0;
    transition: background 180ms ease, transform 180ms ease, width 180ms ease;
  }

  .nature-dots button.is-active {
    width: 24px;
    border-radius: 999px;
    background: var(--color-blue-dark);
  }

  .nature-dots button:focus-visible {
    outline: 2px solid var(--color-blue-dark);
    outline-offset: 4px;
  }

}

@media (prefers-reduced-motion: reduce) {
  .hero-image {
    animation: none;
    transform: none;
  }
}