/* Primitive, semantic, and component tokens keep the static sample coherent. */
:root {
  color-scheme: light;
  --color-ink: #202926;
  --color-paper: #f4f0e7;
  --color-surface: #fffdf8;
  --color-river: #2f6867;
  --color-river-dark: #194847;
  --color-clay: #a86445;
  --color-sand: #d9cdbb;
  --color-line: #cec4b4;
  --color-muted: #59645f;
  --color-overlay: rgb(18 33 31 / 0.72);
  --color-error: #8f2f25;
  --space-50: 0.25rem;
  --space-100: 0.75rem;
  --space-200: 1rem;
  --space-300: 1.5rem;
  --space-400: 2rem;
  --space-500: 2.5rem;
  --space-600: 3rem;
  --space-700: 4rem;
  --space-800: 5rem;
  --space-900: 6rem;
  --radius-sm: 0.5rem;
  --radius-md: 0.875rem;
  --radius-lg: 1.5rem;
  --shadow-card: 0 1.2rem 2.8rem rgb(32 41 38 / 0.12);
  --content-width: 72rem;
  --reading-width: 45rem;
  --ease-out: cubic-bezier(0.32, 0.72, 0, 1);
  --font-sans:
    system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic",
    sans-serif;
  --font-serif: "Hiragino Mincho ProN", "Yu Mincho", YuMincho, serif;
  --color-page: var(--color-paper);
  --color-text: var(--color-ink);
  --color-accent: var(--color-river);
  --color-accent-hover: var(--color-river-dark);
  --color-panel: var(--color-surface);
  --button-bg: var(--color-accent);
  --button-fg: var(--color-surface);
  --button-hover-bg: var(--color-accent-hover);
  --card-bg: var(--color-panel);
  --card-border: var(--color-line);
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  background: var(--color-page);
}
body {
  min-width: 20rem;
  margin: 0;
  overflow-x: hidden;
  color: var(--color-text);
  background: var(--color-page);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: var(--color-accent-hover);
  text-underline-offset: 0.2em;
}
button,
select {
  font: inherit;
}
button,
.button,
select {
  min-height: 2.75rem;
}
button,
.button {
  cursor: pointer;
}
[hidden] {
  display: none !important;
}
:focus-visible {
  outline: 0.18rem solid var(--color-surface);
  outline-offset: 0.12rem;
  box-shadow: 0 0 0 0.38rem var(--color-ink);
}

.skip-link {
  position: fixed;
  z-index: 30;
  top: var(--space-100);
  left: var(--space-100);
  transform: translateY(-160%);
  padding: var(--space-100) var(--space-200);
  color: var(--button-fg);
  background: var(--button-bg);
  border-radius: var(--radius-sm);
  transition: transform 180ms var(--ease-out);
}
.skip-link:focus {
  transform: translateY(0);
}
.sample-notice {
  margin: 0;
  padding: var(--space-100)
    max(var(--space-200), calc((100% - var(--content-width)) / 2));
  color: var(--color-surface);
  background: var(--color-river-dark);
  font-size: 1rem;
  line-height: 1.55;
  text-align: center;
}
main > section:not(.hero) {
  width: min(100% - 2rem, var(--content-width));
  margin-inline: auto;
  padding-block: var(--space-700);
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1,
h2,
h3 {
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.35;
}
h1 {
  font-size: clamp(2.35rem, 7vw, 5rem);
}
h2 {
  font-size: clamp(1.8rem, 5vw, 3.2rem);
}
h3 {
  font-size: clamp(1.18rem, 3vw, 1.6rem);
}
main > section > p:not(.eyebrow):not(.sample-notice),
.sample-summary p,
.site-footer p {
  max-width: var(--reading-width);
}
.eyebrow {
  margin-bottom: var(--space-100);
  color: var(--color-clay);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.sample-label {
  color: var(--color-muted);
  font-size: 1rem;
  letter-spacing: 0.08em;
}

.site-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-200);
  width: min(100% - 2rem, var(--content-width));
  min-height: 4.7rem;
  margin-inline: auto;
}
.site-name {
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  white-space: nowrap;
}
.site-name,
.hero .text-link {
  display: inline-grid;
  place-items: center;
  min-height: 2.75rem;
}
.site-header nav {
  overflow-x: auto;
}
.menu-button {
  padding-inline: var(--space-200);
  color: var(--color-surface);
  background: var(--color-river-dark);
  border: 0;
  border-radius: var(--radius-sm);
  font-weight: 700;
}
.site-header [data-menu-panel] {
  position: absolute;
  z-index: 20;
  top: 100%;
  right: 1rem;
  left: 1rem;
  padding: var(--space-200);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}
.site-header ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-100);
  margin: 0;
  padding: 0;
  list-style: none;
  white-space: nowrap;
}
.site-header nav a {
  display: inline-grid;
  place-items: center;
  min-height: 2.75rem;
  font-size: 0.88rem;
}

.hero {
  position: relative;
  display: grid;
  min-height: 40rem;
  isolation: isolate;
  color: var(--color-surface);
  background: var(--color-river-dark);
}
.hero::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background: linear-gradient(
    90deg,
    var(--color-overlay),
    rgb(18 33 31 / 0.22)
  );
}
.hero > img {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-content {
  align-self: end;
  width: min(100% - 2rem, var(--content-width));
  margin-inline: auto;
  padding-block: var(--space-700);
}
.hero h1,
.hero .eyebrow {
  color: inherit;
}
.hero-content > p:not(.eyebrow):not(.sample-label) {
  max-width: 39rem;
}
.hero .text-link {
  color: inherit;
}
.hero .sample-label {
  color: var(--color-surface);
  font-size: 1rem;
}

.button {
  display: inline-grid;
  place-items: center;
  padding: var(--space-100) var(--space-300);
  color: var(--button-fg);
  background: var(--button-bg);
  border: 1px solid var(--button-bg);
  border-radius: var(--radius-sm);
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
  text-decoration: none;
  transition:
    color 180ms var(--ease-out),
    background-color 180ms var(--ease-out),
    border-color 180ms var(--ease-out),
    transform 180ms var(--ease-out);
}
.button:hover {
  color: var(--button-fg);
  background: var(--button-hover-bg);
  border-color: var(--button-hover-bg);
  transform: translateY(-0.12rem);
}
.button:active {
  transform: translateY(0);
}

#about {
  display: grid;
  gap: var(--space-400);
}
#about ul,
.nearby-list,
.facility-list,
#flow ol {
  display: grid;
  gap: var(--space-200);
  padding: 0;
  list-style: none;
}
#about li,
.nearby-list li,
.facility-list li,
#flow li {
  padding: var(--space-200);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
}
#about span,
.nearby-list span,
#flow span {
  display: block;
  margin-top: var(--space-50);
  color: var(--color-muted);
  font-size: 0.94rem;
}
#rooms,
#experience {
  border-block: 1px solid var(--color-line);
}
.room-list,
.experience-list {
  display: grid;
  gap: var(--space-400);
  margin-top: var(--space-400);
}
.room-card,
.experience-list article {
  overflow: clip;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.room-card img,
.experience-list img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.room-card h3,
.room-card p,
.experience-list h3,
.experience-list p {
  margin-inline: var(--space-300);
}
.room-card h3,
.experience-list h3 {
  margin-top: var(--space-300);
}
.room-card .sample-label {
  padding-bottom: var(--space-200);
}
.room-gallery {
  display: grid;
  gap: var(--space-200);
  max-width: 46rem;
  margin: var(--space-400) auto;
}
.room-gallery figure {
  margin: 0;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}
.room-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.room-gallery figcaption {
  padding: var(--space-100) var(--space-200);
  font-weight: 700;
}
.room-gallery-controls {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-100);
  align-items: center;
}
.room-gallery-controls button {
  padding-inline: var(--space-200);
  color: var(--color-surface);
  background: var(--color-river);
  border: 0;
  border-radius: var(--radius-sm);
}
.room-gallery-controls button:last-child {
  justify-self: end;
}
.room-gallery-controls p {
  margin: 0;
}

.price-list {
  display: grid;
  gap: var(--space-200);
  margin-block: var(--space-300);
}
.price-list article {
  padding: var(--space-300);
  background: var(--color-surface);
  border-inline-start: 0.3rem solid var(--color-clay);
}
.price-list h3 {
  margin-bottom: var(--space-50);
}
.price-list p {
  margin-bottom: 0;
}
.price-list strong {
  color: var(--color-river-dark);
  font-size: 1.25rem;
}
.nearby-list,
.facility-list {
  margin: var(--space-300) 0 0;
}
.facility-list li {
  padding: var(--space-100) var(--space-200);
}

#faq {
  width: min(100% - 2rem, 56rem);
}
.faq-list {
  display: grid;
  gap: var(--space-100);
}
.faq-list article {
  border-bottom: 1px solid var(--color-line);
}
.faq-list h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
}
.faq-list button {
  width: 100%;
  padding: var(--space-200) 2.6rem var(--space-200) 0;
  color: var(--color-ink);
  background: transparent;
  border: 0;
  font-weight: 700;
  text-align: start;
}
.faq-list [role="region"] {
  padding: 0 var(--space-200) var(--space-200);
}
.faq-list [role="region"] p {
  margin-bottom: 0;
  color: var(--color-muted);
}

#stay-check-demo {
  padding: var(--space-500) !important;
  background: var(--color-sand);
  border-radius: var(--radius-lg);
}
#stay-check-demo .sample-notice {
  padding: var(--space-200);
  color: var(--color-ink);
  background: var(--color-surface);
  border-inline-start: 0.3rem solid var(--color-clay);
  text-align: start;
}
#stay-check-form {
  display: grid;
  gap: var(--space-300);
  margin-top: var(--space-400);
}
#stay-check-form > div,
#stay-check-form fieldset {
  display: grid;
  gap: var(--space-50);
}
#stay-check-form fieldset {
  margin: 0;
  padding: var(--space-200);
  border: 1px solid var(--color-river);
  border-radius: var(--radius-md);
}
#stay-check-form fieldset label {
  display: flex;
  gap: var(--space-100);
  align-items: center;
  min-height: 2.75rem;
}
#stay-check-form select {
  width: 100%;
  padding-inline: var(--space-100);
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1px solid var(--color-river-dark);
  border-radius: var(--radius-sm);
}
#stay-check-form [data-error-for] {
  min-height: 1.5em;
  margin: 0;
  color: var(--color-error);
  font-size: 0.9rem;
}
#stay-check-form > button {
  justify-self: start;
  padding-inline: var(--space-300);
  color: var(--button-fg);
  background: var(--button-bg);
  border: 1px solid var(--button-bg);
  border-radius: var(--radius-sm);
  font-weight: 700;
}
#stay-check-form > button:hover {
  background: var(--button-hover-bg);
  border-color: var(--button-hover-bg);
}
#stay-check-result {
  margin: 0;
  font-weight: 700;
}

.sample-summary {
  padding: var(--space-600) !important;
  color: var(--color-surface);
  background: var(--color-river-dark);
  border-radius: var(--radius-lg);
}
.sample-summary h2 {
  color: inherit;
}
.sample-summary .button {
  color: var(--color-river-dark);
  background: var(--color-surface);
  border-color: var(--color-surface);
}
.sample-summary .button:hover {
  color: var(--color-surface);
  background: transparent;
}
.site-footer {
  padding: var(--space-500)
    max(var(--space-200), calc((100% - var(--content-width)) / 2));
  color: var(--color-surface);
  background: var(--color-ink);
  font-size: 1rem;
}
.site-footer a {
  color: var(--color-surface);
}
.site-footer p:last-child {
  margin-bottom: 0;
}

.subpage-header {
  width: min(100% - 2rem, var(--content-width));
  margin-inline: auto;
  padding-block: var(--space-200);
}
.policy-page main {
  width: min(100% - 2rem, var(--reading-width));
  min-height: 70vh;
  margin-inline: auto;
  padding-block: var(--space-700);
}
.policy-page main section {
  margin-block: var(--space-500);
}
.policy-page main li + li {
  margin-top: var(--space-100);
}
.subpage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-100);
}
.button-secondary {
  color: var(--color-river-dark);
  background: transparent;
}

.reveal {
  opacity: 0;
  transform: translateY(1rem);
  transition:
    opacity 500ms var(--ease-out),
    transform 500ms var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 48rem) {
  .site-header {
    min-height: 5.5rem;
  }
  .menu-button {
    display: none;
  }
  .site-header [data-menu-panel],
  .site-header [data-menu-panel][hidden] {
    position: static;
    display: block !important;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
  }
  .site-header ul {
    flex-direction: row;
    gap: var(--space-300);
  }
  .hero {
    min-height: 85svh;
  }
  .hero h1 span {
    display: block;
  }
  .hero-content {
    padding-block: var(--space-900);
  }
  main > section:not(.hero) {
    padding-block: var(--space-800);
  }
  #about {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
  }
  #about ul {
    grid-template-columns: repeat(3, 1fr);
  }
  .room-list {
    gap: var(--space-700);
  }
  .room-card {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(18rem, 0.95fr);
    grid-template-rows: auto minmax(0, 1fr) auto;
    align-items: center;
    overflow: hidden;
  }
  .room-card > img {
    grid-column: 1;
    grid-row: 1 / span 3;
    height: 100%;
    min-height: 21rem;
  }
  .room-card > :not(img) {
    grid-column: 2;
    margin-left: var(--space-400);
    margin-right: var(--space-400);
  }
  .room-card h3 {
    grid-row: 1;
    align-self: end;
  }
  .room-card > p:not(.sample-label) {
    grid-row: 2;
    align-self: start;
  }
  .room-card .sample-label {
    grid-row: 3;
    align-self: start;
  }
  .room-card:nth-child(even) > img {
    grid-column: 2;
  }
  .room-card:nth-child(even) > :not(img) {
    grid-column: 1;
  }
  .room-card .sample-label {
    padding-bottom: 0;
  }
  .experience-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .nearby-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .facility-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  #flow ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .price-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  #stay-check-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  #stay-check-form fieldset,
  #stay-check-form > button,
  #stay-check-result {
    grid-column: 1 / -1;
  }
  #stay-check-form fieldset {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  #stay-check-form legend {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
  .reveal,
  .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
  .button:hover,
  .button:active {
    transform: none;
  }
}