* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-deep: #09111f;
  --bg-mid: #102038;
  --panel: rgba(10, 18, 32, 0.72);
  --panel-soft: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.14);
  --text: #f5f2eb;
  --muted: rgba(245, 242, 235, 0.82);
  --accent: #d6b16f;
  --accent-strong: #e7c889;
  --shadow-lg: 0 18px 40px rgba(0, 0, 0, 0.32);
  --shadow-md: 0 10px 24px rgba(0, 0, 0, 0.22);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --content-width: 1180px;
}

html {
  overflow-x: hidden;
  overflow-y: auto;
  height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100%;
  overflow: hidden;
  font-family: "Hiragino Mincho ProN", serif;
  color: var(--text);
  line-height: 1.85;
  background:
    radial-gradient(circle at top right, rgba(214, 177, 111, 0.14), transparent 28%),
    radial-gradient(circle at bottom left, rgba(255, 255, 255, 0.06), transparent 24%),
    linear-gradient(180deg, #08101d 0%, #0b1425 42%, #0a1220 100%);
}

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

a {
  color: inherit;
}

main {
  position: relative;
  z-index: 1;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;

  background:
    radial-gradient(circle at 20% 20%, rgba(214, 177, 111, 0.12), transparent 40%),
    radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.06), transparent 45%),
    radial-gradient(circle at 40% 80%, rgba(214, 177, 111, 0.08), transparent 50%),
    linear-gradient(rgba(6, 12, 22, 0.45), rgba(6, 12, 22, 0.55)),
    url("images/back.png") center center / cover no-repeat;

  pointer-events: none;
  z-index: -1;
}

/* =========================
   ヒーロー
========================= */
.hero {
  position: relative;
  min-height: 100vh;
  overflow: clip;
  display: grid;
  place-items: center;
  text-align: center;
}

.hero > .slider {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero > .slider::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 13, 22, 0.32) 0%, rgba(7, 13, 22, 0.18) 30%, rgba(7, 13, 22, 0.6) 100%),
    radial-gradient(circle at center, rgba(255, 255, 255, 0.04), transparent 32%);
  z-index: 1;
}

.slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.5s ease;
  pointer-events: none;
}

.slide.active {
  opacity: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(92vw, 760px);
  padding: 42px 32px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(10, 18, 32, 0.16), rgba(10, 18, 32, 0.34));
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  box-shadow: var(--shadow-lg);
}

.logo {
  width: min(360px, 72vw);
  height: auto;
  margin: 0 auto 24px;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.28));
}

.catch {
  font-size: clamp(1rem, 2vw, 1.3rem);
  margin-bottom: 8px;
  letter-spacing: 0.08em;
}

.chef {
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  opacity: 0.94;
  letter-spacing: 0.12em;
}

/* =========================
   共通セクション
========================= */
.section {
  position: relative;
  width: min(calc(100% - 32px), var(--content-width));
  margin: 28px auto 0;
  padding: 84px 34px;
  text-align: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: clip;
}

.section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(214, 177, 111, 0.08), transparent 22%, transparent 78%, rgba(214, 177, 111, 0.06)),
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.05), transparent 25%);
  pointer-events: none;
}

.section > * {
  position: relative;
  z-index: 1;
}

.section h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.5rem);
  margin-bottom: 18px;
  letter-spacing: 0.14em;
}

.section h2::after {
  content: "";
  display: block;
  width: 84px;
  height: 2px;
  margin: 16px auto 0;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.section p {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
  color: var(--muted);
}

.section-sub {
  color: var(--accent-strong);
}

/* =========================
   交互レイアウト
========================= */
.facility,
.onsen {
  width: min(100%, 1020px);
  margin: 46px auto 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  align-items: center;
  gap: 42px;
}

.onsen {
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
}

.facility-img,
.onsen-img {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  isolation: isolate;
  background: rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.facility-img.slider,
.onsen-img.slider {
  position: relative;
  inset: auto;
}

.facility-img::before,
.onsen-img::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(9, 17, 31, 0.08), rgba(9, 17, 31, 0.34)),
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.12), transparent 20%);
  z-index: 2;
  pointer-events: none;
}

.facility-img img,
.onsen-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.2s ease;
  pointer-events: none;
}

.facility-img img.active,
.onsen-img img.active {
  opacity: 1;
}

.facility-text,
.onsen-text {
  width: 100%;
  text-align: left;
  padding: 26px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.facility-text h3,
.onsen-block h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
  color: var(--accent-strong);
  letter-spacing: 0.06em;
}

.facility-text p,
.onsen-block p {
  margin-bottom: 6px;
}

.onsen-block + .onsen-block {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.note {
  font-size: 0.92rem;
  opacity: 0.82;
}

/* =========================
   お知らせ
========================= */
.news-box {
  max-width: 920px;
  margin: 34px auto 0;
  padding: 10px 24px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.news-list {
  list-style: none;
  text-align: left;
}

.news-item,
.news-list li {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.news-list li:last-child {
  border-bottom: none;
}

.news-date {
  color: var(--accent-strong);
  font-weight: bold;
  letter-spacing: 0.04em;
}

.news-title {
  min-width: 0;
}

/* =========================
   お問い合わせ
========================= */
.contact-box {
  max-width: 760px;
  margin: 34px auto 0;
  padding: 34px 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-logo {
  width: 160px;
  max-width: 62%;
  margin: 0 auto 18px;
}

/* =========================
   リンク・ボタン
========================= */
.detail-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  color: var(--accent-strong);
  text-decoration: none;
  border-bottom: 1px solid rgba(231, 200, 137, 0.45);
  padding-bottom: 3px;
  transition: color 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
  word-break: break-word;
}

.detail-link::after {
  content: "→";
  font-size: 0.95em;
}

.detail-link:hover {
  color: #fff;
  transform: translateX(4px);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn,
.reserve-main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #111;
  box-shadow: 0 10px 24px rgba(214, 177, 111, 0.22);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.btn:hover,
.reserve-main-btn:hover {
  transform: translateY(-2px);
  opacity: 0.94;
}

/* =========================
   フェードアニメーション
========================= */
.fade,
.fade-right,
.fade-left {
  opacity: 0;
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade {
  transform: translateY(30px);
}

.fade-right {
  transform: translateX(70px);
}

.fade-left {
  transform: translateX(-70px);
}

.fade.show,
.fade-right.show,
.fade-left.show {
  opacity: 1;
  transform: translate(0, 0);
}

/* =========================
   メニュー
========================= */
.menu-toggle {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 1100;
  width: 54px;
  height: 54px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(12, 25, 47, 0.95), rgba(27, 48, 83, 0.9));
  color: #fff;
  font-size: 1.55rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle:hover {
  transform: scale(1.05);
  opacity: 0.96;
}

.side-menu {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1200;
  width: min(300px, 82vw);
  height: 100vh;
  padding: 82px 24px 28px;
  background:
    linear-gradient(180deg, rgba(8, 18, 45, 0.98), rgba(8, 18, 45, 0.98)),
    url("images/back.png") center center / cover no-repeat;
  box-shadow: 8px 0 24px rgba(0, 0, 0, 0.35);
  transform: translateX(-100%);
  transition: transform 0.35s ease;
  overflow: hidden;
  pointer-events: none;
  visibility: hidden;
}

.side-menu.open {
  transform: translateX(0);
  overflow-y: auto;
  overscroll-behavior: contain;
  pointer-events: auto;
  visibility: visible;
}

.menu-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
}

.side-menu ul {
  list-style: none;
}

.side-menu li {
  margin-bottom: 22px;
}

.side-menu a {
  display: inline-block;
  text-decoration: none;
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  transition: color 0.25s ease, transform 0.25s ease;
}

.side-menu a:hover {
  color: var(--accent-strong);
  transform: translateX(6px);
}

.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 1150;
  background: rgba(0, 0, 0, 0.42);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.menu-overlay.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

body.menu-open {
  overflow: hidden;
}

/* =========================
   固定ボタン
========================= */
.fixed-buttons {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1050;
  display: flex;
  align-items: center;
  gap: 12px;
  pointer-events: none;
}

.fixed-buttons a {
  pointer-events: auto;
}

.fixed-insta-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: transform 0.25s ease;
}

.fixed-insta-btn img {
  width: 28px;
  height: 28px;
}

.fixed-insta-btn:hover {
  transform: translateY(-2px);
}

.fixed-reserve-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 28px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #111;
  text-decoration: none;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.fixed-reserve-btn:hover {
  transform: translateY(-2px);
  opacity: 0.95;
}

/* =========================
   下層ページ共通
========================= */
.sub-hero {
  position: relative;
  min-height: 360px;
  padding: 140px 20px 80px;
  display: grid;
  place-items: center;
  text-align: center;
  overflow: hidden;
  background:
    linear-gradient(rgba(10, 20, 50, 0.72), rgba(10, 20, 50, 0.72)),
    url("images/back.png") center center / cover no-repeat;
}

.sub-hero-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.sub-hero-content {
  position: relative;
  z-index: 2;
  width: min(92vw, 760px);
  padding: 28px 26px;
  border-radius: 999px;
  background: rgba(10, 18, 32, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.sub-hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin-bottom: 12px;
  letter-spacing: 0.1em;
}

.sub-hero-content p {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: #ddd;
  opacity: 0.95;
}

.facility-hero {
  background:
    linear-gradient(rgba(10, 20, 50, 0.55), rgba(10, 20, 50, 0.62)),
    url("images/facility1.jpg") center center / cover no-repeat;
}

.onsen-hero {
  background:
    linear-gradient(rgba(10, 20, 50, 0.55), rgba(10, 20, 50, 0.62)),
    url("images/onsen1.jpg") center center / cover no-repeat;
}

.food-hero {
  background:
    linear-gradient(rgba(10, 20, 50, 0.55), rgba(10, 20, 50, 0.62)),
    url("images/ryouri2.jpg") center center / cover no-repeat;
}

.banquet-hero {
  background:
    linear-gradient(rgba(10, 20, 50, 0.55), rgba(10, 20, 50, 0.62)),
    url("images/banquet3.jpg") center center / cover no-repeat;
}

.reserve-hero {
  background:
    linear-gradient(rgba(10, 20, 50, 0.55), rgba(10, 20, 50, 0.62)),
    url("images/facility1.jpg") center center / cover no-repeat;
}

.intro-section p {
  max-width: 900px;
  margin: 0 auto 14px;
  text-align: center;
}

.detail-block {
  max-width: 1200px;
  margin: 50px auto 0;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 1fr);
  align-items: center;
  gap: 40px;
}

.detail-img {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  pointer-events: none;
}

.detail-img .slide,
.detail-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-text h3 {
  font-size: 1.4rem;
  margin: 0 0 10px;
  color: #f7d98a;
}

.detail-text p {
  margin: 0 0 22px;
  line-height: 1.9;
}

.info-grid {
  max-width: 1200px;
  margin: 40px auto 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 24px;
}

.info-card,
.plan-card,
.reserve-card,
.bath-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.info-card {
  padding: 28px 24px;
}

.info-card h3 {
  margin-bottom: 12px;
  font-size: 1.3rem;
  color: #f7d98a;
}

.info-card p {
  margin: 0;
  line-height: 1.8;
}

.stay-table-wrap {
  max-width: 1000px;
  margin: 40px auto 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.stay-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border-radius: 18px;
  overflow: hidden;
}

.stay-table th,
.stay-table td {
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  text-align: left;
  vertical-align: middle;
}

.stay-table th {
  width: 30%;
  min-width: 150px;
  color: #f7d98a;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.05);
}

.stay-table tr:last-child th,
.stay-table tr:last-child td {
  border-bottom: none;
}

.back-section,
.back-link-wrap {
  text-align: center;
}

.back-link {
  display: inline-block;
  margin-top: 10px;
}

.bath-section {
  padding-top: 30px;
}

.bath-grid {
  max-width: 1200px;
  margin: 40px auto 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(260px, 1fr));
  gap: 28px;
}

.bath-card {
  overflow: hidden;
}

.bath-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
}

.bath-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bath-text {
  padding: 20px 18px 22px;
}

.bath-text h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  color: #f7d98a;
}

.bath-text p {
  margin: 0;
  line-height: 1.8;
}

.portrait-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #0a1432;
}

.plan-intro-section {
  padding-bottom: 10px;
}

.plan-grid {
  max-width: 1200px;
  margin: 40px auto 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(260px, 1fr));
  gap: 24px;
}

.plan-card {
  padding: 28px 24px;
}

.plan-card h3 {
  margin: 0 0 10px;
  font-size: 1.35rem;
  color: #f7d98a;
}

.plan-sub {
  margin: 0 0 14px;
  font-size: 0.95rem;
  opacity: 0.85;
}

.plan-card p {
  line-height: 1.8;
}

.plan-grid:has(.plan-card:nth-child(2):last-child) {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.reserve-methods {
  max-width: 1100px;
  margin: 40px auto 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  gap: 28px;
}

.reserve-card {
  padding: 30px 24px;
}

.reserve-card h3 {
  margin: 0 0 12px;
  font-size: 1.4rem;
  color: #f7d98a;
}

.reserve-lead {
  margin-bottom: 14px;
  font-size: 1rem;
  opacity: 0.9;
}

.reserve-tel-label {
  margin: 18px 0 6px;
  font-size: 0.95rem;
  opacity: 0.8;
}

.reserve-tel {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 14px;
  line-height: 1.4;
}

.notes-box {
  max-width: 1000px;
  margin: 40px auto 0;
  padding: 28px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.notes-box p {
  margin: 0 0 12px;
  line-height: 1.9;
}

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

.about-section {
  padding-top: 110px;
  padding-bottom: 110px;
}

.about-heading {
  margin-bottom: 56px;
}

.about-heading h2 {
  margin-bottom: 18px;
  font-size: 2.2rem;
  letter-spacing: 0.08em;
}

.about-heading p {
  font-size: 1rem;
  line-height: 1.9;
  opacity: 0.9;
}

.about-layout {
  max-width: 1100px;
  margin: 0 auto;
  gap: 72px;
  align-items: center;
}

.about-img {
  width: 500px;
  height: 320px;
  border-radius: 14px;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
  pointer-events: none;
}

.about-img img {
  border-radius: 14px;
}

.about-text {
  flex: 1;
  max-width: 420px;
  text-align: left;
  font-size: 1.05rem;
  line-height: 2.2;
}

.about-text p {
  margin-bottom: 22px;
}

.about-text .detail-link {
  margin-top: 10px;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

.about-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  padding-left: 30px;
  text-align: left;
  width: 100%;
}

.about-content p {
  line-height: 1.8;
}

.info-box,
.company-box,
.access-card {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 24px;
  border-radius: 12px;
  margin-top: 24px;
}

.info-box h3,
.access-card h3 {
  margin-bottom: 12px;
}

.access-card h4 {
  margin-top: 18px;
  margin-bottom: 8px;
  color: #ddd;
  font-size: 1rem;
}

.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}

.map-container {
  margin-top: 24px;
  border-radius: 12px;
  overflow: hidden;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table th,
.company-table td {
  padding: 14px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  text-align: left;
  vertical-align: top;
}

.company-table th {
  width: 28%;
  color: #ddd;
  font-weight: normal;
}

/* =========================
   レスポンシブ
========================= */
@media (max-width: 1000px) {
  .bath-grid {
    grid-template-columns: repeat(2, minmax(240px, 1fr));
  }

  .plan-grid {
    grid-template-columns: repeat(2, minmax(240px, 1fr));
  }

  .about-layout {
    gap: 48px;
  }

  .about-img {
    width: 460px;
    height: 300px;
  }

  .facility,
  .onsen {
    gap: 28px;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 360px);
  }

  .onsen {
    grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
  }

  .facility-img,
  .onsen-img {
    min-height: 320px;
  }

  .facility-text,
  .onsen-text {
    max-width: 100%;
  }
}

@media (max-width: 900px) {
  .detail-block {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .stay-table th,
  .stay-table td {
    padding: 14px 14px;
  }
}

@media (max-width: 768px) {
  .hero {
    height: 82vh;
    min-height: 500px;
  }

  .hero-content {
    width: min(92vw, 560px);
    padding: 32px 24px;
    border-radius: 34px;
  }

  .logo {
    width: 220px;
  }

  .catch {
    font-size: 1rem;
  }

  .chef {
    font-size: 0.9rem;
  }

  .section {
    width: min(calc(100% - 20px), var(--content-width));
    margin-top: 16px;
    padding: 52px 18px;
    border-radius: 24px;
  }

  .facility,
  .onsen {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .onsen {
    grid-template-columns: 1fr;
  }

  .facility-img,
  .onsen-img,
  .detail-img {
    width: 100%;
    max-width: 560px;
    min-height: 260px;
    margin: 0 auto;
  }

  .facility-text,
  .onsen-text,
  .detail-text {
    width: 100%;
    max-width: 100%;
    font-size: 1rem;
    text-align: center;
  }

  .news-box {
    padding: 10px 16px 18px;
  }

  .news-item,
  .news-list li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .menu-toggle {
    top: 14px;
    left: 14px;
    width: 46px;
    height: 46px;
    font-size: 1.3rem;
  }

  .side-menu {
    width: min(240px, 82vw);
    padding: 70px 20px 20px;
  }

  .side-menu a {
    font-size: 1rem;
  }

  .fixed-buttons {
    right: 14px;
    bottom: 14px;
    gap: 8px;
    flex-direction: column;
    align-items: flex-end;
  }

  .fixed-insta-btn {
    width: 46px;
    height: 46px;
  }

  .fixed-insta-btn img {
    width: 22px;
    height: 22px;
  }

  .fixed-reserve-btn {
    min-height: 46px;
    padding: 0 18px;
    font-size: 13px;
    max-width: calc(100vw - 28px);
    white-space: normal;
    text-align: center;
    line-height: 1.4;
  }

  .sub-hero {
    min-height: 280px;
    padding: 110px 20px 60px;
  }

  .sub-hero-content {
    width: min(92vw, 560px);
    padding: 22px 18px;
    border-radius: 28px;
  }

  .sub-hero-content h1 {
    font-size: 2rem;
  }

  .reserve-methods {
    grid-template-columns: 1fr;
  }

  .reserve-tel {
    font-size: 1.5rem;
  }

  .about-section {
    padding-top: 70px;
    padding-bottom: 70px;
  }

  .about-heading {
    margin-bottom: 34px;
  }

  .about-layout {
    gap: 28px;
  }

  .about-img {
    width: 100%;
    max-width: 500px;
    height: 260px;
  }

  .about-text {
    max-width: 100%;
    text-align: left;
    line-height: 2;
  }

  .about-content {
    padding-left: 0;
    margin-top: 20px;
  }

  .access-grid {
    grid-template-columns: 1fr;
  }

  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
    padding: 8px 0;
  }

  .company-table th {
    padding-top: 16px;
    border-bottom: none;
  }

  .company-table td {
    padding-bottom: 16px;
  }

  body {
    font-size: 14px;
  }

  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 600px) {
  .sub-hero {
    min-height: 260px;
  }

  .detail-text h3 {
    font-size: 1.2rem;
  }

  .info-card,
  .plan-card,
  .reserve-card {
    padding: 22px 18px;
  }

  .bath-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .bath-text {
    padding: 18px 16px 20px;
  }

  .plan-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}