@import url("https://fonts.googleapis.com/css2?family=Yomogi&family=Yusei+Magic&display=swap");

:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #2c2a26;
  --text-muted: #5c5852;
  --accent: #3d5a4a;
  --accent-hover: #2f4639;
  --border: #e8e6e1;
  /* 手書き風（Yomogi）を優先。読み込み失敗時は Noto Sans JP */
  --font: "Yomogi", "Noto Sans JP", system-ui, sans-serif;
  --space: clamp(1.25rem, 4vw, 2.5rem);
  --max: 56rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: #ffffff;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
}

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

.inner {
  width: min(100% - var(--space) * 2, var(--max));
  margin-inline: auto;
}

.inner.narrow {
  max-width: 38rem;
}

/* Header：2段・白枠・黒い区切り線 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border: 2px solid #fff;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.site-header .inner--header {
  width: min(100% - 1rem, 72rem);
  margin-inline: auto;
  padding-block: 0.5rem 0.55rem;
}

.header-row--top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.5rem 0.75rem;
}

.header-home {
  justify-self: start;
}

.header-title {
  justify-self: center;
  margin: 0;
  font-size: clamp(0.8125rem, 2vw, 1.0625rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
}

.header-title:hover {
  color: var(--accent);
}

.header-title:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.header-news-btn {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.38rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.header-news-btn:hover {
  background: rgba(61, 90, 74, 0.06);
  border-color: var(--accent);
}

.header-news-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.header-news-btn img {
  display: block;
  width: 1.1rem;
  height: 1.1rem;
}

.header-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 3px;
  min-width: 2.25rem;
  min-height: 2.25rem;
  padding: 0.25rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.header-menu-btn:hover {
  background: rgba(61, 90, 74, 0.06);
  border-color: var(--accent);
}

.header-menu-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.header-menu-btn-line {
  display: block;
  width: 1rem;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.header-divider,
hr.header-divider {
  height: 0.5px;
  margin: 0.45rem 0 0.4rem;
  border: 0;
  background: #000;
  padding: 0;
}

.header-row--bottom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 0.5rem 0.75rem;
}

.header-date {
  justify-self: start;
  min-width: 0;
  font-size: clamp(0.6875rem, 1.8vw, 0.8125rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.header-row--bottom .nav {
  justify-self: center;
  max-width: 100%;
}

.header-instagram {
  justify-self: end;
}

.logo {
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--text);
}

.logo:not(.logo--image):hover {
  color: var(--accent);
}

.logo--image {
  display: none;
  align-items: center;
  line-height: 0;
  flex-shrink: 0;
}

.logo--image img {
  display: block;
  height: clamp(1.5rem, 3.6vw, 2rem);
  width: auto;
  max-width: min(10rem, 42vw);
}

.logo--image:hover img {
  opacity: 0.88;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.75rem 1.25rem;
  font-size: 0.875rem;
}

.nav > a {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  line-height: 1.35;
  padding-inline: 0.4rem;
  border-radius: 6px;
  border: 2px solid transparent;
  box-sizing: border-box;
  transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.nav > a:hover {
  border-color: var(--accent);
  background: rgba(61, 90, 74, 0.08);
}

.nav > a:focus-visible {
  outline: none;
  border-color: var(--accent);
  background: rgba(61, 90, 74, 0.08);
}

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

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

.nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 500;
}

.nav-home-icon,
.nav-instagram-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  flex-shrink: 0;
  padding: 0;
  border: none;
  background: none;
  box-shadow: none;
  border-radius: 0;
  box-sizing: border-box;
  transition: opacity 0.15s ease;
}

.nav-home-icon:hover,
.nav-instagram-icon:hover {
  opacity: 0.82;
}

.nav-home-icon:focus-visible,
.nav-instagram-icon:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.nav-home-icon img,
.nav-instagram-icon img {
  display: block;
  width: 1.35rem;
  height: 1.35rem;
  object-fit: contain;
}

@media (max-width: 47.99rem) {
  body.nav-open .site-header {
    z-index: 120;
  }

  .site-header .inner--header {
    position: relative;
  }

  .header-row--top {
    grid-template-columns: auto 1fr auto auto;
  }

  .header-title {
    justify-self: start;
    min-width: 0;
    margin-left: 0.2rem;
    font-size: 0.875rem;
    letter-spacing: 0.08em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .header-news-btn {
    padding-inline: 0.6rem;
  }

  .header-news-btn span {
    display: none;
  }

  .header-menu-btn {
    display: inline-flex;
    justify-self: end;
  }

  .header-row--bottom {
    grid-template-columns: 1fr auto;
  }

  .header-row--bottom .nav {
    display: none;
  }

  body.nav-open {
    overflow: hidden;
  }

  .header-nav-backdrop {
    position: fixed;
    inset: 0;
    z-index: 110;
    background: rgba(0, 0, 0, 0.5);
  }

  .header-nav-backdrop[hidden] {
    display: none !important;
  }

  body.nav-open .nav.nav-mobile-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 130;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    width: min(92vw, 28rem);
    max-height: calc(100dvh - 2rem - env(safe-area-inset-top) - env(safe-area-inset-bottom));
    overflow: auto;
    pointer-events: auto;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.14);
  }

  body.nav-open .nav.nav-mobile-panel > a {
    min-height: 2.65rem;
    padding-inline: 0.7rem;
    border: 1px solid #dcd8d1;
    border-radius: 8px;
    color: var(--text);
    background: #fff;
  }

  body.nav-open .nav.nav-mobile-panel > a:hover {
    border-color: var(--accent);
    background: rgba(61, 90, 74, 0.08);
  }
}

/* お知らせモーダル */
.news-dialog {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right))
    max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
  box-sizing: border-box;
}

.news-dialog[hidden] {
  display: none !important;
}

.news-dialog__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  cursor: pointer;
}

.news-dialog__panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 28rem;
  max-height: min(80vh, 520px);
  overflow: auto;
  margin: auto;
  padding: 1.5rem 1.5rem 1.35rem;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.22);
}

.news-dialog__close {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  width: 2.25rem;
  height: 2.25rem;
  border: none;
  background: transparent;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: var(--text-muted);
  border-radius: 999px;
}

.news-dialog__close:hover {
  background: rgba(0, 0, 0, 0.06);
  color: var(--text);
}

.news-dialog__heading {
  margin: 0 2rem 0.75rem 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
}

.news-dialog__body {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-muted);
}

.news-dialog__lead {
  margin: 0 0 0.75rem;
  color: var(--text);
}

body.news-dialog-open {
  overflow: hidden;
}

/* Subpage layout */
.page-main {
  padding-bottom: clamp(2rem, 6vw, 3.5rem);
}

.page-intro {
  padding: clamp(2rem, 8vw, 3.5rem) var(--space);
  text-align: center;
  background: var(--surface);
}

.page-intro h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  font-weight: 600;
  letter-spacing: 0.06em;
}

.page-intro p {
  margin: 0;
  max-width: 36rem;
  margin-inline: auto;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.page-intro--activities p {
  max-width: min(42rem, 100%);
}

.page-intro--activities p + p {
  margin-top: 0.65rem;
}

.activity-lead-notes {
  max-width: min(42rem, 100%);
  margin-inline: auto;
  margin-bottom: clamp(0.75rem, 2vw, 1.25rem);
}

.activity-lead-notes p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.activity-lead-notes p + p {
  margin-top: 0.65rem;
}

@media (max-width: 36rem) {
  .page-intro--activities {
    padding-block: clamp(1.6rem, 7vw, 2.2rem);
  }

  .page-intro--activities h1 {
    letter-spacing: 0.04em;
  }

  .page-intro--activities p,
  .activity-lead-notes p {
    font-size: 0.875rem;
    line-height: 1.75;
  }

  .activity-lead-notes {
    margin-bottom: 0.9rem;
  }

  .activity-catalog .activity-cards {
    gap: 1rem;
  }

  .activity-card-body {
    padding: 0.9rem 0.95rem 1rem;
  }

  .activity-card-title {
    font-size: 0.9375rem;
    line-height: 1.5;
  }

  .activity-card-desc {
    font-size: 0.875rem;
    line-height: 1.7;
  }
}

.page-breadcrumb {
  margin: 0 auto 0.75rem;
  max-width: 36rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.page-breadcrumb a {
  color: var(--text-muted);
}

.page-breadcrumb a:hover {
  color: var(--accent);
}

.page-intro-sub {
  margin: 0.6rem auto 0;
  max-width: 36rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

/* リバートレッキング等：夏季・連泊などの開催条件バナー */
.activity-offer-banner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem 0.6rem;
  margin: 1.15rem auto 0;
  max-width: 28rem;
  padding: 0;
}

.activity-offer-banner__chip {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: rgba(61, 90, 74, 0.08);
  border: 1px solid rgba(61, 90, 74, 0.28);
  border-radius: 999px;
}

@media (max-width: 36rem) {
  .activity-offer-banner {
    margin-top: 1rem;
    padding-inline: 0.5rem;
  }

  .activity-offer-banner__chip {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    padding: 0.35rem 0.75rem;
  }
}

.activity-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0 0 0.45rem;
}

.activity-card-tag {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.3;
  color: var(--accent);
  background: rgba(61, 90, 74, 0.07);
  border: 1px solid rgba(61, 90, 74, 0.22);
  border-radius: 4px;
}

.page-main--activity-detail .activity-detail-condition {
  margin: 0 0 1.15rem;
  padding: 0.85rem 1rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--text-muted);
  background: rgba(61, 90, 74, 0.06);
  border-radius: 8px;
  border-left: 3px solid var(--accent);
}

.page-main--activity-detail .activity-detail-condition strong {
  color: var(--text);
  font-weight: 600;
}

.page-intro--construction {
  padding-block: clamp(3rem, 12vw, 5rem);
}

.page-intro--construction h1 {
  margin-bottom: 1rem;
}

.page-construction-label {
  display: inline-block;
  margin: 0 0 1.15rem;
  padding: 0.45rem 1.15rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
}

.page-construction-lead {
  margin: 0 auto 0.7rem;
  max-width: 28rem;
  font-size: 0.9375rem;
  color: var(--text);
}

.page-construction-note {
  margin: 0 auto;
  max-width: 32rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.page-construction-actions {
  margin: 1.35rem auto 0;
  max-width: 18rem;
  width: 100%;
}

.page-intro--construction .page-construction-mail-btn {
  text-align: center;
}

.content-block {
  padding: clamp(2rem, 6vw, 3rem) var(--space);
}

.content-block:nth-of-type(even) {
  background: var(--surface);
}

.content-block h2 {
  margin: 0 0 1rem;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.content-block p {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.content-block p:last-child {
  margin-bottom: 0;
}

.content-block ul {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.content-block li {
  margin-bottom: 0.5rem;
}

.content-block li:last-child {
  margin-bottom: 0;
}

.back-home {
  display: inline-block;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.back-home:hover {
  color: var(--accent);
}

.subpage-back {
  text-align: center;
  padding-block: 0 0.5rem;
}

/* Room detail */
.room-card .room-head {
  margin-bottom: 1rem;
}

.room-name {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.room-tagline {
  margin: 0.35rem 0 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.room-desc {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.room-spec {
  display: grid;
  grid-template-columns: minmax(6.5rem, auto) 1fr;
  gap: 0.6rem 1.25rem;
  margin: 0 0 1.25rem;
  padding: 1rem 0 0;
  font-size: 0.9375rem;
}

.room-spec dt {
  margin: 0;
  color: var(--text);
  font-weight: 500;
}

.room-spec dd {
  margin: 0;
  color: var(--text-muted);
}

.room-notes-title {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.03em;
}

.room-notes {
  margin: 0;
  padding-left: 0;
  list-style: none;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.room-notes li {
  margin-bottom: 0.4rem;
}

.room-notes li:last-child {
  margin-bottom: 0;
}

.room-detail-reserve {
  text-align: center;
}

.room-detail-reserve-title {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.room-detail-reserve-lead {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.room-detail-reserve .btn-block {
  margin-top: 0.15rem;
}

.room-detail-reserve--sticky {
  margin-top: 0;
}

.room-detail-reserve-wrap {
  text-align: center;
  padding-top: clamp(0.65rem, 2.5vw, 1.25rem);
}

/* 特記事項＋予約：一覧戻りより横幅を広げて中央配置 */
.room-detail-reserve-wrap.inner.narrow {
  max-width: min(100% - var(--space) * 2, 48rem);
}

.room-detail-notes-above-reserve {
  margin: 0 auto 1.1rem;
  max-width: 36rem;
  text-align: left;
}

.room-detail-notes-above-reserve.room-special-matter {
  max-width: 100%;
  width: 100%;
}

.room-special-matter {
  margin-bottom: 1.25rem;
}

.room-special-matter > .room-notes-title {
  text-align: center;
}

.room-special-body {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-muted);
  text-align: left;
}

.room-special-block {
  margin: 0 0 1.1rem;
}

.room-special-block:last-child {
  margin-bottom: 0;
}

.room-special-heading {
  margin: 0 0 0.45rem;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text);
}

.room-special-list {
  margin: 0;
  padding-left: 1.15rem;
  list-style: disc;
}

.room-special-list li {
  margin-bottom: 0.35rem;
}

.room-special-list li:last-child {
  margin-bottom: 0;
}

.room-special-p {
  margin: 0 0 0.65rem;
}

.room-special-p:last-child {
  margin-bottom: 0;
}

.room-notice-updated {
  font-size: 0.8125rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.room-special-p--tight {
  margin-top: 0.35rem;
  margin-bottom: 0;
}

.room-special-note {
  font-size: 0.84375rem;
}

.room-detail-reserve--below {
  margin: 0 auto;
  max-width: 22rem;
}

a.room-detail-reserve-btn {
  display: inline-flex;
  width: auto;
  min-width: 13rem;
  max-width: 20rem;
}

@media (min-width: 36rem) {
  .room-detail-reserve--sticky {
    padding-top: 0;
    border-top: none;
  }

  .room-detail-reserve--sticky .room-detail-reserve-title {
    font-size: 1rem;
  }

  .room-detail-reserve--sticky .room-detail-reserve-lead {
    margin-bottom: 0.5rem;
    font-size: 0.8125rem;
  }
}

.room-detail .room-desc {
  margin-top: 0;
}

.room-detail-page .room-detail-main .content-block.room-detail {
  line-height: 1.85;
  font-size: 0.96875rem;
}

.room-detail-intro .room-desc {
  margin-bottom: 0.85rem;
}

.room-detail-intro .room-desc:last-child {
  margin-bottom: 0;
}

/* 客室詳細：紹介文（縦書き・複数列）— 右カラム内に収める */
.room-detail-page .room-detail-main,
.room-detail-layout--guestroom .room-detail-intro-column {
  min-width: 0;
}

.room-detail-layout--guestroom .content-block.room-detail--intro-vertical {
  padding: clamp(1rem, 3vw, 1.85rem) clamp(0.5rem, 2vw, 0.85rem);
}

/* 客室詳細：紹介文（縦書き・2列） */
.room-detail-page .room-detail-intro--vertical {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  display: flex;
  flex-direction: column;
  gap: clamp(0.45rem, 1.5vw, 0.75rem);
  width: fit-content;
  max-width: 100%;
  max-height: min(72vh, 34rem);
  max-height: min(72dvh, 34rem);
  margin-inline: auto;
  padding-block: 0.25rem;
  overflow-x: auto;
  overflow-y: hidden;
  font-feature-settings: "palt" 1;
  -webkit-overflow-scrolling: touch;
}

.room-detail-page .room-detail-intro--vertical .room-desc {
  margin: 0;
  font-size: clamp(0.8125rem, 1.25vw, 0.875rem);
  line-height: 1.95;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.room-detail-page .room-detail-intro--vertical .room-desc--vertical {
  flex-shrink: 0;
}

@media (max-width: 35.99rem) {
  .room-detail-page .room-detail-intro--vertical {
    writing-mode: horizontal-tb;
    text-orientation: mixed;
    display: block;
    width: 100%;
    max-width: 100%;
    max-height: none;
    overflow: visible;
    padding-block: 0;
    text-align: center;
  }

  .room-detail-page .room-detail-intro--vertical .room-desc {
    font-size: 0.875rem;
    line-height: 1.85;
    letter-spacing: 0.03em;
    text-align: center;
  }

  .room-detail-page .room-detail-intro--vertical .room-desc + .room-desc {
    margin-top: 0.8rem;
  }
}

.room-detail-sep {
  margin: 1.35rem 0;
  border: none;
  height: 0;
}

.room-section-heading {
  margin: 0 0 0.65rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
}

.room-detail-section .room-spec {
  margin-bottom: 0;
  padding-top: 0;
  border-top: none;
}

.room-detail-section:last-of-type .room-notes {
  margin-bottom: 0;
}

.room-detail-layout {
  display: grid;
  gap: 1.25rem;
  align-items: start;
  grid-template-columns: 1fr;
}

/* 客室詳細（ドーム／フォレスト）：上段＝写真｜紹介、下段＝料金｜仕様で見出しの高さを揃える */
.room-detail-layout--guestroom {
  gap: 1rem;
}

.room-detail-media {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 36rem) {
  .room-detail-layout:not(.room-detail-layout--guestroom) {
    grid-template-columns: minmax(0, 48%) minmax(0, 1fr);
    align-items: start;
    gap: 1.5rem;
  }

  .room-detail-layout--guestroom {
    grid-template-columns: minmax(0, 48%) minmax(0, 1fr);
    grid-template-rows: auto auto;
    gap: 1rem 1.5rem;
    align-items: start;
  }

  .room-detail-layout--guestroom > .room-gallery-wrap {
    grid-column: 1;
    grid-row: 1;
  }

  .room-detail-layout--guestroom > .room-detail-intro-column {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
  }

  .room-detail-layout--guestroom > .room-rate {
    grid-column: 1;
    grid-row: 2;
    align-self: start;
  }

  .room-detail-layout--guestroom > .room-detail-section--below-intro {
    grid-column: 2;
    grid-row: 2;
    align-self: start;
  }
}

/* 左カラムの料金（コンパクト） */
.room-detail-layout--guestroom .room-rate {
  margin: 0;
  padding: 0.55rem 0.45rem 0.5rem;
  min-width: 0;
  font-size: 0.8125rem;
  line-height: 1.45;
  box-sizing: border-box;
}

.room-detail-layout--guestroom .room-rate-heading {
  font-size: 0.8125rem;
  margin-bottom: 0.4rem;
}

.room-detail-layout--guestroom .room-rate-subtitle {
  font-size: 0.75rem;
}

.room-detail-layout--guestroom .room-rate-list li {
  padding: 0.06em 0;
}

.room-detail-layout--guestroom .room-rate-extra-row {
  margin-top: 0.65rem;
  gap: 0.25rem 0.75rem;
}

.room-detail-layout--guestroom .room-rate-extra {
  font-size: 0.78rem;
}

.room-detail-layout--guestroom .room-rate-child-notes {
  margin-top: 0.55rem;
}

.room-detail-layout--guestroom .room-rate-note-line {
  font-size: 0.72rem;
  line-height: 1.45;
}

/* 仕様・設備（下段右・紹介と同じ行の左に料金） */
.room-detail-layout--guestroom .room-detail-section--below-intro {
  margin-top: 0;
  padding: 0.65rem 0.5rem 0.65rem;
  border-radius: 4px;
  background: var(--surface);
}

.room-detail-layout--guestroom .room-detail-section--below-intro .room-section-heading {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin: 0 0 0.4rem;
}

.room-detail-layout--guestroom .room-detail-section--below-intro .room-spec {
  font-size: 0.875rem;
  gap: 0.5rem 0.85rem;
  grid-template-columns: minmax(5rem, auto) minmax(0, 1fr);
  margin: 0;
  padding: 0;
}

.activity-type-list {
  margin: 0;
  padding-left: 0;
  list-style: none;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.activity-type-list li {
  position: relative;
  margin-bottom: 0.5rem;
  padding-left: 1.1rem;
}

.activity-type-list li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: var(--text);
}

.activity-type-list li:last-child {
  margin-bottom: 0;
}

.activity-type-list a {
  color: var(--accent);
  text-decoration: none;
}

.activity-type-list a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.activity-catalog .activity-cards {
  display: grid;
  gap: clamp(1.25rem, 3vw, 1.75rem);
  margin-top: 1.25rem;
}

@media (min-width: 40rem) {
  .activity-catalog .activity-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.activity-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(44, 42, 38, 0.04);
}

.activity-card-hit {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 100%;
  color: inherit;
  text-decoration: none;
}

.activity-card-hit:hover .activity-card-title {
  color: var(--accent);
}

.activity-card-hit:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.activity-card-thumb {
  display: block;
  aspect-ratio: 8 / 5;
  background: #ffffff;
  overflow: hidden;
}

.activity-card-thumb--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e8e6e2;
}

.activity-card-thumb-placeholder-text {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.activity-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  vertical-align: middle;
  transition: transform 0.35s ease;
}

.activity-card-hit:hover .activity-card-thumb img {
  transform: scale(1.03);
}

.activity-card-body {
  padding: 1rem 1.1rem 1.15rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.activity-card-title {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.45;
  color: var(--text);
  transition: color 0.15s ease;
}

.activity-card-desc {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.activity-card-btn {
  margin: 0.35rem 1.1rem 1.15rem;
  margin-top: auto;
}

.facility-detail-photo {
  margin: 0 0 1.5rem;
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
}

.facility-detail-photo img {
  display: block;
  width: 100%;
  max-height: min(70vh, 28rem);
  height: auto;
  vertical-align: middle;
}

/* 施設・アクティビティ詳細：部屋詳細と同じ2カラム（左写真・右本文） */
.room-detail-page.facility-detail-page .facility-detail-photo,
.room-detail-page.activity-detail-page .facility-detail-photo {
  margin: 0;
  border-radius: 4px;
  overflow: hidden;
  background: var(--surface);
}

.room-detail-media .facility-detail-photo img {
  max-height: min(70vh, 30rem);
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center center;
}

.room-detail-media .facility-detail-photo--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: min(70vh, 30rem);
  aspect-ratio: 4 / 3;
  background: #e8e6e2;
  border-radius: 4px;
}

.room-detail-media .facility-detail-placeholder-text {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.room-detail-page.facility-detail-page .room-detail-section > .room-desc:last-child,
.room-detail-page.activity-detail-page .room-detail-section > .room-desc:last-child {
  margin-bottom: 0;
}

.facility-detail-page .room-detail-intro-column .content-block.room-detail:not(.room-detail--intro-vertical) {
  padding: clamp(1rem, 3vw, 1.85rem) clamp(0.75rem, 2vw, 1.25rem);
}

.facility-detail-page .room-detail-intro-column .room-section-heading {
  font-size: 0.9375rem;
  margin-bottom: 0.55rem;
}

.activity-contact {
  text-align: center;
}

.activity-contact p {
  margin-bottom: 1rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.activity-contact .btn-block {
  margin-top: 0.15rem;
}

/* アクティビティ一覧：読みやすさ */
.page-main--activities-index .activity-catalog .activity-cards {
  margin-top: 1.5rem;
  gap: clamp(1.35rem, 3.5vw, 2rem);
}

.page-main--activities-index .activity-card-desc {
  line-height: 1.75;
}

.page-main--activities-index .activity-card-body {
  padding: 1.1rem 1.15rem 1.3rem;
}

/* アクティビティ詳細（リバートレッキング等） */
.page-main--activity-detail .activity-detail-hero-wrap {
  margin-bottom: clamp(1.25rem, 3.5vw, 2rem);
}

.page-main--activity-detail .activity-detail-hero.facility-detail-photo {
  margin: 0 auto;
  max-width: min(48rem, 100%);
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(44, 42, 38, 0.09);
  overflow: hidden;
}

.page-main--activity-detail .activity-detail-hero .gallery-hero {
  width: 100%;
  border-radius: 12px;
}

.page-main--activity-detail .activity-detail-hero .gallery-hero img {
  aspect-ratio: auto;
  max-height: min(62vh, 26rem);
  width: 100%;
  object-fit: cover;
}

.page-main--activity-detail .activity-gallery-hint {
  margin-top: 0.65rem;
}

.page-main--activity-detail .activity-detail-hero img {
  display: block;
  border-radius: 12px;
}

.page-main--activity-detail .facility-detail-photo img {
  max-height: min(62vh, 26rem);
}

.page-main--activity-detail .content-block.activity-detail-section {
  padding-top: clamp(1.75rem, 5vw, 2.75rem);
  padding-bottom: clamp(1.75rem, 5vw, 2.75rem);
  background: transparent;
}

.page-main--activity-detail .content-block.activity-detail-section:nth-of-type(even) {
  background: transparent;
}

.page-main--activity-detail .activity-detail-section + .activity-detail-section {
  border-top: 1px solid var(--border);
}

.page-main--activity-detail .activity-detail-inner {
  max-width: 40rem;
  margin-inline: auto;
}

.page-main--activity-detail .activity-detail-heading {
  margin: 0 0 1.35rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid rgba(61, 90, 74, 0.2);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text);
}

.page-main--activity-detail .activity-detail-heading--center {
  text-align: center;
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 1rem;
}

.page-main--activity-detail .activity-detail-prose p {
  margin: 0 0 1.35rem;
  font-size: 1rem;
  line-height: 1.92;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}

.page-main--activity-detail .activity-detail-prose p:last-child {
  margin-bottom: 0;
}

.page-main--activity-detail .activity-detail-prose-lead {
  font-weight: 500;
  color: var(--text);
  font-size: 1.0625rem;
  line-height: 1.85;
}

.page-main--activity-detail .activity-detail-recommend {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-main--activity-detail .activity-detail-recommend li {
  position: relative;
  margin-bottom: 0.75rem;
  padding: 0.9rem 1rem 0.9rem 2.2rem;
  background: var(--surface);
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 0.9375rem;
  line-height: 1.68;
  color: var(--text-muted);
  box-shadow: 0 1px 2px rgba(44, 42, 38, 0.04);
}

.page-main--activity-detail .activity-detail-recommend li:last-child {
  margin-bottom: 0;
}

.page-main--activity-detail .activity-detail-recommend li::before {
  content: "";
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.9;
}

.activity-spec-card {
  margin: 0 0 1rem;
  padding: 1.2rem 1.35rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(44, 42, 38, 0.06);
}

.activity-spec-row {
  display: grid;
  grid-template-columns: minmax(4.75rem, 7.5rem) minmax(0, 1fr);
  gap: 0.5rem 1rem;
  align-items: baseline;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border);
}

.activity-spec-row:first-child {
  padding-top: 0;
}

.activity-spec-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.activity-spec-label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.activity-spec-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.55;
}

.activity-spec-sep {
  font-weight: 500;
  color: var(--text-muted);
  margin: 0 0.35rem;
}

.activity-spec-note {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--text-muted);
}

@media (max-width: 22rem) {
  .activity-spec-row {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }
}

.activity-detail-supplement {
  margin-top: clamp(1.35rem, 3.5vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.activity-lead-notes--boxed {
  padding: 1.1rem 1.2rem;
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.activity-insurance--panel {
  padding: 1.25rem 1.3rem 1.4rem;
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.activity-insurance--panel > p {
  margin: 0 0 0.85rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-muted);
}

.activity-insurance--panel .activity-insurance-title {
  margin: 0 0 0.75rem;
}

.activity-insurance--panel .activity-insurance-list {
  margin-bottom: 0.85rem;
}

.page-main--activity-detail .content-block.activity-contact--detail {
  padding: clamp(1.65rem, 4vw, 2.35rem) var(--space);
  background: var(--surface);
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 10px rgba(44, 42, 38, 0.05);
}

.activity-contact--detail p {
  max-width: 26rem;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 36rem) {
  .page-main--activity-detail .activity-detail-prose p {
    font-size: 0.9375rem;
  }
}

/* 宿のこと（yado）縦書き1列 */
.page-main-yado .page-intro {
  padding-bottom: clamp(1rem, 3.5vw, 1.5rem);
}

.page-main-yado .page-intro h1 {
  margin-bottom: 0.35rem;
}

.page-main-yado .yado-inner {
  max-width: min(100% - var(--space) * 2, 52rem);
}

.page-main-yado .yado-story {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  margin: 0 auto;
  max-height: min(75vh, 40rem);
  overflow-x: auto;
  overflow-y: hidden;
  padding-top: clamp(0.65rem, 2.5vw, 1.1rem);
  padding-bottom: 0.35rem;
  font-feature-settings: "palt" 1;
}

.page-main-yado .yado-vertical-body {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 2.25;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.page-main-yado .yado-vertical-body .yado-sign {
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--text);
}

@media (max-width: 47.99rem) {
  .page-main-yado .page-intro {
    padding-bottom: 1rem;
  }

  .page-main-yado .yado-story {
    writing-mode: horizontal-tb;
    text-orientation: mixed;
    max-height: none;
    overflow: visible;
    padding-top: 0;
    padding-bottom: 0;
  }

  .page-main-yado .yado-vertical-body {
    font-size: 0.9375rem;
    line-height: 1.9;
    letter-spacing: 0.04em;
  }
}

/* yado.html: desktopで1画面内に収める */
@media (min-width: 1024px) {
  html.yado-fit,
  html.yado-fit body {
    height: 100dvh;
    overflow: hidden;
  }

  html.yado-fit body {
    display: flex;
    flex-direction: column;
  }

  html.yado-fit .site-header,
  html.yado-fit .site-footer {
    flex-shrink: 0;
  }

  html.yado-fit .page-main.page-main-yado {
    flex: 1 1 auto;
    min-height: 0;
    display: grid;
    grid-template-rows: auto 1fr auto;
    padding-bottom: 0.5rem;
    overflow: hidden;
  }

  html.yado-fit .page-main-yado .page-intro {
    padding-block: clamp(0.9rem, 2.1vh, 1.4rem) clamp(0.35rem, 1.4vh, 0.75rem);
  }

  html.yado-fit .page-main-yado .yado-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
  }

  html.yado-fit .page-main-yado .yado-story {
    max-height: min(100%, 52dvh);
    padding-top: 0.35rem;
    padding-bottom: 0.2rem;
  }

  html.yado-fit .page-main-yado .yado-vertical-body {
    font-size: clamp(0.86rem, 1vw, 0.95rem);
    line-height: 2.05;
  }

  html.yado-fit .subpage-back {
    padding-block: 0.2rem 0.3rem;
  }

  html.yado-fit .back-home {
    margin-top: 0.5rem;
  }
}

/* お部屋・施設・アクティビティ一覧 */
.inner.narrow.room-list-grid {
  max-width: min(100% - var(--space) * 2, var(--max));
}

.page-main-rooms .inner.narrow.room-list-grid,
.page-main-facilities .inner.narrow.room-list-grid,
.page-main-activities .inner.narrow.room-list-grid {
  max-width: min(100% - var(--space) * 2, var(--max));
}

.room-list-grid .room-list-card.content-block {
  padding: clamp(1.15rem, 3.2vw, 1.65rem) clamp(1rem, 3vw, 1.5rem);
  margin: 0;
  background: var(--surface);
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(44, 42, 38, 0.04);
}

.room-list-grid .room-list-card.content-block:nth-of-type(even) {
  background: var(--surface);
}

.room-list-grid .room-list-card .room-head {
  margin-bottom: 1rem;
}

.room-list-grid .room-list-card .room-name {
  margin-bottom: 0;
}

.room-list-grid .room-list-card .room-lead {
  margin: 0.06rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.45;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.page-main-rooms .room-list-card,
.page-main-facilities .room-list-card,
.page-main-activities .room-list-card {
  container-type: inline-size;
  container-name: room-card;
}

.page-main-rooms .room-list-card .room-head,
.page-main-facilities .room-list-card .room-head,
.page-main-activities .room-list-card .room-head {
  margin-bottom: 1rem;
}

.page-main-rooms .room-list-card .room-name,
.page-main-facilities .room-list-card .room-name,
.page-main-activities .room-list-card .room-name {
  margin-bottom: 0;
}

.page-main-rooms .room-list-card .room-lead,
.page-main-facilities .room-list-card .room-lead,
.page-main-activities .room-list-card .room-lead {
  margin: 0.06rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.45;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.room-head-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.55rem;
}

.room-head-title-row .room-name {
  margin-bottom: 0;
}

.room-head-title-row .activity-card-tags {
  margin: 0;
}

.activity-insurance-title {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text);
}

.activity-insurance-list {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.activity-insurance-list li {
  margin-bottom: 0.35rem;
}

.activity-insurance-list li:last-child {
  margin-bottom: 0;
}

.activity-insurance-note {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.6;
  color: #1e1c18;
}

.room-detail-layout .room-gallery-wrap {
  margin-bottom: 0;
}

/* 部屋詳細：宿泊料金（ギャラリーと予約の間） */
.room-rate {
  margin: 0;
  padding: 0.65rem 0.35rem 0.5rem;
  border-radius: 4px;
  background: var(--surface);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--text);
}

.room-rate-heading {
  margin: 0 0 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text);
}

.room-rate-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem 0.85rem;
  align-items: start;
}

.room-rate-block {
  margin: 0;
  min-width: 0;
}

.room-rate-subtitle {
  margin: 0 0 0.3rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
}

.room-rate-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.room-rate-list li {
  margin: 0;
  padding: 0.08em 0;
  color: #242220;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.room-rate-extra-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1.15rem;
  margin: 1.25rem 0 0;
}

.room-rate-extra {
  margin: 0;
  padding: 0;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: #141210;
}

.room-rate-child-notes {
  margin: 0.75rem 0 0;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border);
}

.room-rate-note-line {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: #242220;
}

.room-rate-note-line:last-child {
  margin-bottom: 0;
}

@media (max-width: 22rem) {
  .room-rate-columns {
    grid-template-columns: 1fr;
  }
}

.room-detail-main .content-block.room-detail {
  margin-bottom: 0;
}

.room-meta-line {
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.room-list-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.room-list-card .btn-block {
  align-self: center;
  display: flex;
  width: min(100%, 20rem);
  max-width: min(100%, 20rem);
  margin-top: auto;
  margin-inline: 0;
  padding-top: 0.85rem;
}

/* 宿泊プラン一覧 */
.plan-lead-notes {
  max-width: min(42rem, 100%);
  margin-inline: auto;
  margin-bottom: clamp(1rem, 2.5vw, 1.5rem);
}

.plan-lead-notes p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.8;
  letter-spacing: 0.03em;
}

.plan-lead-notes p + p {
  margin-top: 0.65rem;
}

.plan-list {
  display: flex;
  flex-direction: column;
  gap: clamp(1.25rem, 3vw, 1.75rem);
}

.plan-card {
  margin: 0;
}

.plan-card-row {
  display: grid;
  gap: 1.15rem 1.35rem;
  align-items: center;
  grid-template-columns: 1fr;
}

.plan-card-thumb {
  margin: 0;
  border-radius: 4px;
  overflow: hidden;
  background: var(--surface);
}

.plan-card-thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.plan-card-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
  min-width: 0;
}

.plan-card-title {
  margin: 0;
  font-size: clamp(1.0625rem, 2.4vw, 1.25rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.4;
  color: var(--text);
}

.plan-card-desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}

.plan-card-btn {
  margin-top: 0.25rem;
  min-width: 8.5rem;
}

@media (min-width: 36rem) {
  .plan-card-row {
    grid-template-columns: minmax(0, 12.5rem) minmax(0, 1fr);
  }

  .plan-card-thumb img {
    aspect-ratio: 1 / 1;
    max-height: 12.5rem;
  }
}

@media (min-width: 48rem) {
  .plan-card-row {
    grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
    gap: 1.35rem 1.75rem;
  }

  .plan-card-thumb img {
    max-height: 15rem;
  }
}

.room-list-grid {
  display: grid;
  gap: clamp(1rem, 2.8vw, 1.8rem);
}

@media (min-width: 62rem) {
  .room-list-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }
}

.room-list-row {
  display: grid;
  gap: 1rem 1.25rem;
  align-items: start;
  margin-bottom: 1rem;
  grid-template-columns: 1fr;
}

.room-list-row .room-list-thumb {
  margin: 0;
}

.room-list-meta {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
}

.room-list-meta .room-list-type {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text);
}

.room-list-meta .room-list-spec-line {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.55;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}

.room-list-thumb {
  margin: 0 0 1rem;
  border-radius: 4px;
  overflow: hidden;
  background: var(--surface);
}

.room-list-thumb img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 15rem;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  vertical-align: middle;
}

.room-list-thumb--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  max-height: 15rem;
  margin-bottom: 1rem;
  background: var(--surface);
}

.room-list-thumb-placeholder-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

@media (max-width: 35.99rem) {
  .room-list-thumb img {
    max-height: 12.5rem;
  }

  .room-list-thumb--placeholder {
    max-height: 12.5rem;
  }

  .room-list-row {
    gap: 0.85rem 1rem;
    margin-bottom: 0.85rem;
  }
}

.room-list-meta .activity-card-tags {
  margin-bottom: 0;
}

@media (min-width: 36rem) {
  .room-list-thumb img {
    max-height: 13.5rem;
  }
}

/* Room photo gallery */
.room-gallery-wrap {
  margin-bottom: 1.25rem;
}

.gallery-hero {
  display: block;
  width: 100%;
  padding: 0;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  background: var(--surface);
  font: inherit;
  text-align: left;
}

.gallery-hero img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  vertical-align: middle;
}

.gallery-hero:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.gallery-hint {
  margin: 0.5rem 0 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
}

.room-gallery-empty {
  margin: 0 0 1rem;
  padding: 1rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-muted);
  background: var(--surface);
  border-radius: 4px;
}

.room-gallery-empty code {
  font-size: 0.85em;
  word-break: break-all;
}

.gallery-dialog {
  width: min(96vw, 52rem);
  max-width: 100%;
  padding: 0;
  margin: auto;
  border-radius: 6px;
  background: var(--surface);
  box-shadow: 0 12px 48px rgba(44, 42, 38, 0.18);
}

.gallery-dialog::backdrop {
  background: rgba(44, 42, 38, 0.5);
}

.gallery-dialog-shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  max-height: min(92vh, 100dvh);
  width: 100%;
}

.gallery-dialog-close {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
  width: 100%;
  margin: 0;
  padding: 0.65rem 1rem;
  border: none;
  background: var(--surface);
  font: inherit;
  font-size: 0.875rem;
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
  pointer-events: auto;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.gallery-dialog-close:hover {
  background: var(--bg);
}

.gallery-dialog-close [aria-hidden="true"] {
  font-size: 1.35rem;
  line-height: 1;
}

.gallery-dialog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
  gap: 0.5rem;
  padding: 0.75rem;
  overflow-x: hidden;
  overflow-y: auto;
  min-height: 0;
  -webkit-overflow-scrolling: touch;
}

.gallery-dialog-item {
  margin: 0;
}

.gallery-dialog-item img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  max-height: 9rem;
  object-fit: cover;
  object-position: center center;
  border-radius: 3px;
}

@media (min-width: 480px) {
  .gallery-dialog-item img {
    max-height: 10rem;
  }
}

/* Hero */
.hero {
  padding: clamp(3rem, 12vw, 6rem) var(--space);
  text-align: center;
}

.hero--slideshow {
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  background: var(--bg);
}

.hero-picture {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: min(48vh, 520px);
  max-height: 78vh;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  --hero-fade-duration: 2s;
}

.hero-slideshow {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--hero-fade-duration) ease-in-out;
  z-index: 0;
}

.hero-slide.is-active {
  opacity: 1;
  z-index: 1;
}

.hero-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

@media (prefers-reduced-motion: reduce) {
  .hero-slide {
    transition: none;
  }
}

.hero-picture-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.2) 0%,
    rgba(0, 0, 0, 0.42) 100%
  );
}

.hero-picture-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.18) 0%,
    rgba(0, 0, 0, 0.16) 100%
  );
  opacity: 0;
  transition: opacity var(--hero-fade-duration) ease-in-out;
}

.hero-picture-overlay--intro::after {
  opacity: 1;
}

/* トップ：画像の上に重ねるテキストイントロ（yado.html の縦書き組を踏襲） */
.hero-intro {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 5vw, 2.5rem);
  color: #ffffff;
  pointer-events: none;
  transition: opacity var(--hero-fade-duration) ease-in-out;
  font-family: "Yusei Magic", "Yomogi", "Noto Sans JP", sans-serif;
}

.hero-intro.is-complete {
  opacity: 0;
  pointer-events: none;
}

.hero-intro-page {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--hero-fade-duration) ease-in-out;
}

.hero-intro-page.is-active {
  opacity: 1;
}

/* 1P：PCは縦書き（右→左の列、上→下の文字） */
.hero-intro-body {
  margin: 0 auto;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  max-height: min(75vh, 40rem);
  overflow: hidden;
  padding-top: clamp(0.65rem, 2.5vw, 1.1rem);
  padding-bottom: 0.35rem;
  font-size: clamp(0.86rem, 1vw, 0.95rem);
  line-height: 2.25;
  letter-spacing: 0.14em;
  font-feature-settings: "palt" 1;
  color: #ffffff;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.52), 0 0 2px rgba(0, 0, 0, 0.35);
}

/* 2P：横読み2段＋下に予約ボタン（スロットで高さを先に確保） */
.hero-intro-page2-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 2.5vw, 1.35rem);
}

.hero-booking-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: clamp(4rem, 10vw, 4.75rem);
  height: clamp(4rem, 10vw, 4.75rem);
  margin-top: 0;
}

.hero-intro-finale {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(0.35rem, 1.2vw, 0.55rem);
  margin: 0;
  writing-mode: horizontal-tb;
  text-orientation: mixed;
  color: #ffffff;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.55), 0 0 2px rgba(0, 0, 0, 0.4);
}

.hero-intro-finale-row {
  display: block;
  white-space: nowrap;
  font-size: clamp(1.0625rem, 2.8vw, 1.25rem);
  letter-spacing: 0.16em;
  line-height: 1.75;
}

.hero-intro-finale-row--title {
  font-size: clamp(1.75rem, 5vw, 2.375rem);
  font-weight: 500;
  letter-spacing: 0.18em;
  line-height: 1.5;
}

.hero-intro-char {
  display: inline-block;
  opacity: 0;
  filter: blur(11px);
  will-change: opacity, filter;
}

.hero-intro-char.is-visible {
  animation: hero-intro-char-in 0.8s ease-out forwards;
}

@keyframes hero-intro-char-in {
  0% {
    opacity: 0;
    filter: blur(11px);
  }
  100% {
    opacity: 1;
    filter: blur(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-intro-char.is-visible {
    animation: none;
    opacity: 1;
    filter: none;
  }
}

/* スマホ：横書きの段（上→下） */
@media (max-width: 47.99rem) {
  .hero-intro {
    padding: clamp(1rem, 4vw, 1.5rem);
  }

  .hero-intro-body {
    writing-mode: horizontal-tb;
    text-orientation: mixed;
    max-height: min(78vh, 42rem);
    overflow: hidden;
    padding-top: 0;
    padding-bottom: 0;
    font-size: 0.9375rem;
    line-height: 1.9;
    letter-spacing: 0.04em;
    text-align: center;
  }
}

/* 2P文章の下：丸い予約ボタン（文字と同じぼかし表示） */
.hero-booking-btn {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 1.5px solid rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.22);
  color: #ffffff;
  text-decoration: none;
  text-align: center;
  font-family: "Yusei Magic", "Yomogi", "Noto Sans JP", sans-serif;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.12), 0 8px 28px rgba(0, 0, 0, 0.28);
  pointer-events: none;
  opacity: 0;
  filter: blur(11px);
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease,
    transform 0.2s ease;
}

.hero-booking-btn.is-visible {
  pointer-events: auto;
  animation: hero-intro-char-in 0.8s ease-out forwards;
}

.hero-booking-btn.is-visible:hover {
  background: rgba(0, 0, 0, 0.36);
  border-color: #ffffff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.16), 0 10px 32px rgba(0, 0, 0, 0.34);
  transform: scale(1.06);
}

.hero-booking-btn:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 4px;
}

.hero-booking-btn__label {
  font-size: clamp(0.8125rem, 2vw, 0.9375rem);
  font-weight: 400;
  letter-spacing: 0.2em;
  line-height: 1;
  text-indent: 0.2em;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.45);
}

.hero-booking-btn__label .hero-intro-char {
  text-indent: 0;
}

/* 2Pは常時表示（フェードアウトしない） */
.hero-intro-page#hero-intro-page2.is-active {
  opacity: 1;
}

.hero--slideshow .hero-inner {
  position: relative;
  z-index: 3;
  width: min(36rem, 100% - var(--space) * 2);
  margin: 0;
  padding: clamp(1rem, 3vw, 1.75rem) 0;
  text-align: center;
  pointer-events: none;
}

.hero--slideshow .hero-inner a {
  pointer-events: auto;
}

.hero--slideshow .btn-ghost-on-hero {
  color: rgba(255, 255, 255, 0.95);
  border-color: rgba(255, 255, 255, 0.55);
}

.hero--slideshow .btn-ghost-on-hero:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.95);
  background: rgba(255, 255, 255, 0.1);
}

.hero-inner {
  max-width: 32rem;
  margin-inline: auto;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  /* Yomogi はウェイトが1種類のため、合成の太字を避けて自然な手書きに近づける */
  font-weight: 400;
  letter-spacing: 0.08em;
}

.hero-lead {
  margin: 0 0 2rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.hero--slideshow .hero-inner .hero-lead {
  margin: 0 0 0.5rem;
  font-size: clamp(0.8125rem, 2.2vw, 0.9375rem);
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.45);
}

.hero--slideshow .hero-inner h1 {
  margin: 0 0 1rem;
  color: #fff;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: stretch;
}

@media (min-width: 480px) {
  .hero-actions {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }
}

/* トップページ：1画面に収め、スクロールしない */
html.home-fixed {
  height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
  overscroll-behavior: none;
}

html.home-fixed body {
  min-height: 100dvh;
  height: 100%;
  max-height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  overscroll-behavior: none;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

html.home-fixed .site-header {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
}

html.home-fixed #main-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: none;
  margin-inline: 0;
  padding-inline: 0;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

html.home-fixed #main-content .hero.hero--slideshow {
  width: 100%;
  align-self: stretch;
}

html.home-fixed #main-content .hero-picture {
  width: 100%;
}

html.home-fixed .site-footer {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
}

html.home-fixed .hero.hero--slideshow {
  flex: 1;
  min-height: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
}

html.home-fixed .hero-picture {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100dvh;
  max-height: none;
  min-height: 0;
  flex: none;
}

html.home-fixed .hero--slideshow .hero-inner {
  padding: clamp(0.75rem, 2vw, 1.25rem) 0;
  padding-top: clamp(4rem, 12vh, 7rem);
  padding-bottom: clamp(2.5rem, 9vh, 4.5rem);
}

/* Sections */
.section {
  padding: clamp(2.5rem, 8vw, 4rem) var(--space);
}

.section:nth-child(even) {
  background: var(--surface);
}

.section h2 {
  margin: 0 0 1rem;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.section p {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.section p:last-child {
  margin-bottom: 0;
}

.email-line {
  margin-bottom: 1.5rem !important;
}

.email-link {
  font-weight: 500;
  color: var(--accent);
  word-break: break-all;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.btn-secondary {
  background: var(--surface);
  color: var(--accent);
  border-color: var(--accent);
}

.btn-secondary:hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

.btn-block {
  width: 100%;
  max-width: 20rem;
  margin-inline: auto;
}

.reserve .btn-block {
  margin-top: 0.25rem;
}

.contact .btn-block {
  margin-top: 0.5rem;
}

/* Footer */
.site-footer {
  padding: 1.1rem var(--space);
  text-align: center;
}

.footer-name {
  margin: 0 0 0.15rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.footer-copy {
  margin: 0;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-contact {
  margin: 0;
  font-size: clamp(0.6875rem, 1.8vw, 0.8125rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.55;
  color: var(--text-muted);
}

html.home-fixed .site-footer .footer-contact {
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.45);
}