:root {
  --paper: #17130f;
  --paper-deep: #241d17;
  --ink: #f3eadb;
  --muted: #c7b9a4;
  --green: #173f2f;
  --green-soft: #24382d;
  --brown: #d8c28a;
  --gold: #c4a866;
  --line: rgba(196, 168, 102, 0.22);
  --shadow: 0 24px 54px rgba(0, 0, 0, 0.42);
  --serif: "Yu Mincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Noto Serif JP", serif;
  --sans: "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.85;
  background:
    radial-gradient(circle at 18% 10%, rgba(196, 168, 102, 0.12), transparent 30rem),
    radial-gradient(circle at 86% 32%, rgba(23, 63, 47, 0.22), transparent 32rem),
    linear-gradient(90deg, rgba(196, 168, 102, 0.035) 1px, transparent 1px),
    linear-gradient(0deg, rgba(196, 168, 102, 0.022) 1px, transparent 1px),
    var(--paper);
  background-size: auto, 18px 18px, 18px 18px, auto;
}

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

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  transform: translateY(-160%);
  padding: 0.65rem 0.9rem;
  background: var(--gold);
  color: #17130f;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem clamp(1rem, 4vw, 2.25rem);
  color: #fffaf0;
  transition: background 220ms ease, color 220ms ease, box-shadow 220ms ease;
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(20, 16, 12, 0.9);
  box-shadow: 0 1px 22px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 0.65rem;
  font-family: var(--serif);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.brand img {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: rgba(243, 234, 219, 0.9);
}

.brand span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav {
  display: none;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fffaf0;
}

.hero__image,
.hero picture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__image {
  object-fit: cover;
  object-position: center;
  filter: saturate(0.86) contrast(1.08) brightness(0.78);
}

.hero__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(14, 10, 7, 0.2), rgba(12, 8, 5, 0.58) 45%, rgba(6, 4, 3, 0.88)),
    linear-gradient(90deg, rgba(4, 3, 2, 0.74), rgba(4, 3, 2, 0.18));
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(100%, 54rem);
  padding: 8rem clamp(1.25rem, 6vw, 5rem) clamp(3rem, 8vw, 6rem);
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--gold);
  font-family: var(--serif);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #dac27d;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(2.35rem, 8vw, 4.8rem);
  text-shadow: 0 8px 28px rgba(0, 0, 0, 0.42);
}

h2 {
  margin: 0;
  font-size: clamp(1.75rem, 7vw, 3.05rem);
}

h3 {
  margin: 0;
  font-size: 1.18rem;
}

.hero__lead {
  margin: 1.2rem 0 0;
  font-family: var(--serif);
  font-size: clamp(1.05rem, 4.5vw, 1.55rem);
  line-height: 1.75;
}

.hero__text {
  margin: 0.9rem 0 1.6rem;
  color: rgba(255, 250, 240, 0.88);
}

.hero__vertical {
  position: absolute;
  top: 6.5rem;
  right: clamp(1rem, 4vw, 3rem);
  z-index: 2;
  writing-mode: vertical-rl;
  padding: 1rem 0.55rem;
  border: 1px solid rgba(255, 250, 240, 0.45);
  color: rgba(255, 250, 240, 0.82);
  font-family: var(--serif);
  font-size: 0.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.15rem;
  padding: 0.78rem 1.4rem;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button:focus-visible {
  outline: 3px solid rgba(182, 154, 92, 0.7);
  outline-offset: 3px;
}

.button--primary {
  color: #fffaf0;
  background: var(--green);
  border-color: rgba(196, 168, 102, 0.38);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.32);
}

.hero .button--primary {
  background: #194833;
}

.section-inner {
  width: min(100% - 2rem, 1120px);
  margin-inline: auto;
  padding-block: clamp(4rem, 12vw, 7.5rem);
}

.band {
  background: rgba(31, 25, 19, 0.7);
  border-block: 1px solid rgba(196, 168, 102, 0.14);
}

.section-heading {
  margin-bottom: clamp(1.8rem, 5vw, 3rem);
}

.intro__grid,
.places__grid,
.conditions__grid {
  display: grid;
  gap: clamp(2rem, 7vw, 4.5rem);
}

.intro__text {
  font-size: 1rem;
}

.intro__text p {
  margin: 0 0 1.1rem;
}

.facility-facts {
  display: grid;
  gap: 0.7rem;
  margin: 1.4rem 0 0;
}

.facility-facts div {
  display: grid;
  gap: 0.15rem;
  padding: 0.85rem 1rem;
  background: rgba(32, 26, 20, 0.9);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
}

.facility-facts dt {
  color: var(--muted);
  font-size: 0.82rem;
}

.facility-facts dd {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.45;
}

.facility-facts p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.65;
}

.intro__photo,
.places__photo,
.gallery-item {
  margin: 0;
}

.intro__photo img,
.places__photo img,
.gallery-item img {
  width: 100%;
  min-height: 18rem;
  object-fit: cover;
  background: var(--paper-deep);
  border: 1px solid rgba(196, 168, 102, 0.18);
  box-shadow: var(--shadow);
  filter: saturate(0.82) contrast(1.08) brightness(0.88);
}

.intro__photo img {
  aspect-ratio: 4 / 5;
  object-position: center 48%;
}

figcaption {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.use-grid {
  display: grid;
  gap: 0.8rem;
}

.use-card {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  align-items: center;
  gap: 1rem;
  min-height: 5.3rem;
  padding: 1.05rem 1rem;
  background: rgba(32, 26, 20, 0.86);
  border: 1px solid var(--line);
}

.use-card span {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  color: var(--gold);
  border: 1px solid rgba(196, 168, 102, 0.42);
  font-family: var(--serif);
}

.use-card h3 {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
}

.place-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
}

.place-list li {
  padding: 0.85rem 0.9rem;
  background: rgba(32, 26, 20, 0.88);
  border-left: 3px solid var(--gold);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
}

.note,
.price-note {
  padding: 1rem;
  color: var(--muted);
  background: rgba(23, 63, 47, 0.22);
  border: 1px solid rgba(196, 168, 102, 0.16);
}

.note p,
.price-note {
  margin: 0;
}

.note p + p {
  margin-top: 0.6rem;
}

.places__photo img {
  aspect-ratio: 4 / 5;
  object-position: center;
}

.price-block {
  margin-top: 2rem;
}

.price-lead {
  max-width: 44rem;
  margin: -1rem 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: clamp(1rem, 3.5vw, 1.22rem);
  line-height: 1.9;
}

.price-block h3,
.additional h3,
.charter-notes h3,
.per-person-guide h3 {
  margin-bottom: 1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line);
  color: var(--brown);
}

.price-definition {
  margin: -0.35rem 0 1.1rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.8;
}

.price-list {
  display: grid;
  gap: 0.9rem;
}

.price-card {
  display: grid;
  gap: 0.65rem;
  padding: 1.1rem;
  background: rgba(32, 26, 20, 0.9);
  border: 1px solid var(--line);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.26);
}

.plan,
.time,
.price,
.purpose {
  margin: 0;
}

.plan {
  color: var(--gold);
  font-weight: 800;
}

.time {
  color: var(--muted);
  font-size: 0.92rem;
}

.price {
  font-family: var(--serif);
  font-size: 1.8rem;
  line-height: 1.2;
}

.purpose {
  color: var(--muted);
  font-size: 0.93rem;
}

.additional {
  margin-top: 2rem;
  padding: 1.1rem;
  background: rgba(32, 26, 20, 0.9);
  border: 1px solid var(--line);
}

.additional dl {
  display: grid;
  gap: 0.85rem;
  margin: 0;
}

.additional dl div {
  display: grid;
  gap: 0.2rem;
}

.additional dt {
  color: var(--gold);
  font-weight: 800;
}

.additional dd {
  margin: 0;
  color: var(--muted);
}

.additional dd span {
  display: block;
}

.charter-notes {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.charter-notes article {
  padding: 1.1rem;
  color: var(--muted);
  background: rgba(32, 26, 20, 0.9);
  border: 1px solid rgba(196, 168, 102, 0.18);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.18);
}

.charter-notes p {
  margin: 0;
  line-height: 1.85;
}

.per-person-guide {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
  padding: 1.1rem;
  color: var(--muted);
  background: linear-gradient(135deg, rgba(23, 63, 47, 0.28), rgba(32, 26, 20, 0.92));
  border: 1px solid rgba(196, 168, 102, 0.18);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.18);
}

.per-person-guide__intro .eyebrow {
  margin-bottom: 0.45rem;
}

.per-person-guide__intro p,
.per-person-guide__note {
  margin: 0;
  line-height: 1.8;
}

.per-person-list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
}

.per-person-list div {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 0;
  border-top: 1px solid rgba(196, 168, 102, 0.14);
}

.per-person-list dt {
  color: #efe1b4;
  font-size: 0.92rem;
  font-weight: 700;
}

.per-person-list dd {
  margin: 0;
  color: #f7f0de;
  font-family: var(--serif);
  font-size: 1.05rem;
}

.per-person-guide__note {
  padding-top: 0.8rem;
  border-top: 1px solid rgba(196, 168, 102, 0.18);
  font-size: 0.92rem;
}

.price-note {
  margin-top: 1rem;
}

.price-note p {
  margin: 0;
}

.price-note p + p {
  margin-top: 0.65rem;
}

.payment-policy {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.payment-policy article {
  padding: 1.1rem;
  background: rgba(32, 26, 20, 0.9);
  border: 1px solid var(--line);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.2);
}

.payment-policy h3 {
  margin-bottom: 0.65rem;
  color: var(--gold);
}

.payment-policy p {
  margin: 0;
  color: var(--muted);
}

.payment-policy p + p {
  margin-top: 0.45rem;
}

.flow-list {
  display: grid;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 1rem;
  padding: 1rem;
  background: rgba(32, 26, 20, 0.9);
  border: 1px solid var(--line);
}

.flow-list span {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  color: var(--gold);
  border: 1px solid rgba(196, 168, 102, 0.42);
  font-family: var(--serif);
}

.flow-list h3 {
  margin-bottom: 0.25rem;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 700;
}

.flow-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.condition-list {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.condition-list li {
  position: relative;
  padding: 0 0 0 1.35rem;
}

.condition-list li::before {
  content: "";
  position: absolute;
  top: 0.83em;
  left: 0;
  width: 0.45rem;
  height: 0.45rem;
  background: var(--gold);
  transform: rotate(45deg);
}

.notices__lead {
  max-width: 42rem;
  margin: -1rem 0 1.4rem;
  color: var(--muted);
  font-family: var(--serif);
  font-size: clamp(1rem, 3.4vw, 1.18rem);
  line-height: 1.9;
}

.notice-grid {
  display: grid;
  gap: 1rem;
}

.notice-card {
  display: grid;
  gap: 0.75rem;
  align-self: start;
  padding: 0.75rem;
  color: var(--ink);
  text-decoration: none;
  background: rgba(32, 26, 20, 0.92);
  border: 1px solid rgba(196, 168, 102, 0.18);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.24);
  transition: transform 180ms ease, border-color 180ms ease;
}

.notice-card:hover {
  transform: translateY(-2px);
  border-color: rgba(196, 168, 102, 0.36);
}

.notice-card:focus-visible {
  outline: 3px solid rgba(196, 168, 102, 0.62);
  outline-offset: 3px;
}

.notice-card img {
  width: 100%;
  object-fit: contain;
  background: #efe5cf;
  border: 1px solid rgba(196, 168, 102, 0.16);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
}

.notice-card--portrait img {
  aspect-ratio: 1414 / 2000;
}

.notice-card--landscape img {
  aspect-ratio: 2000 / 1414;
}

.notice-card span {
  color: var(--gold);
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
}

.facility-grid {
  display: grid;
  gap: 1rem;
}

.facility-grid article {
  padding: clamp(1rem, 4vw, 1.35rem);
  background: rgba(32, 26, 20, 0.9);
  border: 1px solid var(--line);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.2);
}

.facility-grid h3 {
  margin-bottom: 0.85rem;
  color: var(--gold);
}

.facility-grid ul {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.facility-grid li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--muted);
}

.facility-grid li::before {
  content: "";
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 0.35rem;
  height: 0.35rem;
  background: var(--gold);
  transform: rotate(45deg);
}

.gallery-grid {
  display: grid;
  gap: 1rem;
}

.gallery-item img {
  aspect-ratio: 4 / 5;
}

.gallery-item--wide img {
  aspect-ratio: 1 / 1.12;
}

.gallery-item--tall img {
  aspect-ratio: 3 / 4.5;
}

.access__grid {
  display: grid;
  gap: clamp(1.5rem, 5vw, 3.5rem);
}

.access__body {
  padding: clamp(1.25rem, 5vw, 2rem);
  background: rgba(32, 26, 20, 0.9);
  border: 1px solid var(--line);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.26);
}

.access__name {
  margin: 0 0 0.7rem;
  color: var(--gold);
  font-family: var(--serif);
  font-size: clamp(1.3rem, 5vw, 1.8rem);
  font-weight: 700;
  line-height: 1.45;
}

.access__body p {
  margin: 0 0 0.75rem;
}

.access__body .button {
  margin-top: 0.75rem;
}

.contact__panel {
  max-width: 760px;
  text-align: center;
}

.contact__panel h2 {
  margin-bottom: 1rem;
}

.contact__panel p {
  margin: 0 auto 0.65rem;
  max-width: 38rem;
}

.contact__panel .button {
  margin-top: 1.1rem;
}

.footer {
  color: #fffaf0;
  background: #100d0a;
}

.footer__inner {
  display: grid;
  gap: 1.5rem;
  width: min(100% - 2rem, 1120px);
  margin-inline: auto;
  padding-block: 2rem;
  color: rgba(255, 250, 240, 0.8);
  font-size: 0.9rem;
}

.footer p {
  margin: 0.15rem 0;
}

.footer__name {
  color: #fffaf0;
  font-family: var(--serif);
  font-size: 1.2rem;
}

.footer a {
  color: #e5d39d;
}

.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 500ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (min-width: 680px) {
  .nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-size: 0.85rem;
  }

  .nav a {
    text-decoration: none;
  }

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

  .price-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .price-list--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .per-person-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-list,
  .payment-policy,
  .notice-grid,
  .facility-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .footer__inner {
    grid-template-columns: 1fr auto;
    align-items: end;
  }
}

@media (min-width: 920px) {
  .hero {
    align-items: center;
  }

  .hero__content {
    padding-top: 9rem;
  }

  .intro__grid {
    grid-template-columns: 0.8fr 1fr 0.9fr;
    align-items: center;
  }

  .intro__text {
    font-size: 1.05rem;
  }

  .uses .section-heading,
  .pricing .section-heading,
  .gallery .section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
  }

  .use-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .use-card {
    grid-template-columns: 1fr;
    align-content: start;
    min-height: 11rem;
  }

  .places__grid {
    grid-template-columns: 0.95fr 1fr;
    align-items: center;
  }

  .conditions__grid {
    grid-template-columns: 0.8fr 1.2fr;
  }

  .flow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .flow-list li {
    grid-template-columns: 1fr;
    align-content: start;
    min-height: 11.5rem;
  }

  .access__grid {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }

  .gallery-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-flow: dense;
  }

  .gallery-item--wide {
    grid-column: span 2;
  }

  .gallery-item--tall {
    grid-row: span 2;
  }
}

@media (max-width: 420px) {
  .hero__vertical {
    display: none;
  }

  .brand span {
    max-width: 12.5rem;
  }

  .place-list {
    grid-template-columns: 1fr;
  }
}