:root {
  --ink: #172e3a;
  --muted: #5f7480;
  --blue: #49b9dc;
  --blue-deep: #0b7394;
  --blue-pale: #eaf8fc;
  --blue-soft: #d4f1fa;
  --white: #ffffff;
  --line: #d9e9ee;
  --shadow: 0 22px 60px rgba(24, 93, 119, 0.12);
  --radius-lg: 32px;
  --radius-md: 22px;
  --radius-sm: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 104px; }
:focus-visible { outline: 3px solid var(--blue-deep); outline-offset: 5px; }
.site-footer :focus-visible, .info-panel :focus-visible { outline-color: #7fdaef; }
.skip-link { position: fixed; top: 12px; left: 16px; z-index: 120; padding: 10px 18px; border-radius: 10px; background: var(--ink); color: white; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
#main-content:focus { outline: none; }
.container > *, .menu-card > * { min-width: 0; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto;
  height: 3px;
  z-index: 100;
  background: linear-gradient(90deg, var(--blue), #94e6f6, var(--blue-deep));
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
.container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  border-bottom: 1px solid rgba(217, 233, 238, 0.85);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}
.header-inner {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  white-space: nowrap;
}
.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
  font-style: italic;
  letter-spacing: -0.08em;
}
.brand-copy { display: grid; line-height: 1.15; }
.brand-name { font-family: Georgia, "Times New Roman", serif; font-size: 21px; letter-spacing: 0.05em; }
.brand-sub { margin-top: 4px; color: var(--muted); font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; }
.desktop-nav { display: flex; align-items: center; gap: 3px; }
.desktop-nav a,
.mobile-menu a {
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}
.desktop-nav a { padding: 10px 14px; }
.desktop-nav a:hover,
.desktop-nav a[aria-current="page"] { color: var(--blue-deep); background: var(--blue-pale); }
.desktop-nav .nav-cta { margin-left: 8px; padding-inline: 20px; color: var(--white); background: var(--ink); }
.desktop-nav .nav-cta:hover { color: var(--white); background: var(--blue-deep); transform: translateY(-1px); }
.mobile-menu { display: none; position: relative; }
.mobile-menu summary {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
  font-size: 0;
  list-style: none;
}
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu summary::before,
.mobile-menu summary::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 1px;
  background: var(--ink);
  transition: transform 180ms ease;
}
.mobile-menu summary::before { transform: translateY(-4px); }
.mobile-menu summary::after { transform: translateY(4px); }
.mobile-menu[open] summary::before { transform: rotate(45deg); }
.mobile-menu[open] summary::after { transform: rotate(-45deg); }
.mobile-nav-panel {
  position: absolute;
  top: 54px;
  right: 0;
  width: min(290px, calc(100vw - 32px));
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
  box-shadow: var(--shadow);
}
.mobile-nav-panel a { display: block; padding: 11px 14px; }
.mobile-nav-panel a:hover,
.mobile-nav-panel a[aria-current="page"] { color: var(--blue-deep); background: var(--blue-pale); }

.hero { padding: 28px 0 0; }
.hero-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1993 / 793;
  border-radius: var(--radius-lg);
  background: var(--blue-pale);
  box-shadow: var(--shadow);
}
.hero-media picture,
.hero-media picture img { width: 100%; height: 100%; }
.hero-media picture { position: absolute; inset: 0; }
.hero-media picture img { object-fit: contain; }
.hero-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  align-items: center;
  gap: clamp(28px, 6vw, 82px);
  margin-top: 22px;
  padding: clamp(28px, 4vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(125deg, var(--white), var(--blue-pale));
  box-shadow: 0 14px 38px rgba(23, 46, 58, 0.08);
}
.eyebrow {
  margin: 0 0 8px;
  color: var(--blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  font-style: italic;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.hero-card h1 {
  margin: 0;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: clamp(25px, 3vw, 38px);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.04em;
}
.hero-card-action > p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.9; }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--ink); }
.button-primary:hover { border-color: var(--blue-deep); background: var(--blue-deep); }
.button-secondary { border-color: var(--line); background: var(--white); }
.button-secondary:hover { color: var(--blue-deep); border-color: var(--blue); }
.info-panel .button-primary { color: var(--ink); border-color: var(--white); background: var(--white); }
.info-panel .button-primary:hover { color: var(--white); border-color: var(--blue-deep); background: var(--blue-deep); }
.info-panel .button-secondary { color: var(--white); border-color: rgba(255, 255, 255, 0.3); background: transparent; }
.info-panel .button-secondary:hover { border-color: var(--white); }

.section { padding: 112px 0; }
.section-tinted { background: linear-gradient(135deg, #f5fcfe 0%, var(--blue-pale) 100%); }
.section-heading { display: grid; max-width: 720px; gap: 10px; margin-bottom: 42px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.section-heading h2,
.page-title h1 {
  margin: 0;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.4;
}
.section-heading h2 { font-size: clamp(30px, 4vw, 48px); }
.section-heading p:last-child,
.page-title > p:last-child { margin: 0; color: var(--muted); }
.intro-layout { display: grid; grid-template-columns: 0.85fr 1.15fr; align-items: center; gap: clamp(44px, 8vw, 110px); }
.intro-visual { position: relative; }
.intro-visual::before { content: ""; position: absolute; inset: -18px 18px 18px -18px; z-index: -1; border-radius: 48% 52% 46% 54%; background: var(--blue-pale); }
.intro-visual img { width: 100%; height: auto; border-radius: 48% 52% 46% 54%; object-fit: contain; }
.intro-copy h2 { margin: 0 0 24px; font-family: "Hiragino Mincho ProN", "Yu Mincho", serif; font-size: clamp(30px, 4vw, 48px); font-weight: 500; line-height: 1.55; }
.intro-copy p { margin: 0; color: var(--muted); line-height: 2.15; }

.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.quick-card { display: flex; flex-direction: column; position: relative; overflow: hidden; border-radius: var(--radius-md); background: var(--ink); box-shadow: 0 18px 42px rgba(24, 93, 119, 0.12); }
.quick-card img { width: 100%; height: auto; aspect-ratio: 1; object-fit: contain; transition: transform 500ms cubic-bezier(0.2, 0.7, 0.2, 1); }
.quick-card::after { content: none; }
.quick-card:hover img { filter: brightness(1.04); }
.quick-label { display: block; padding: 18px 20px; color: var(--white); }
.quick-label small { display: block; font-family: Georgia, "Times New Roman", serif; font-size: 12px; font-style: italic; letter-spacing: 0.16em; text-transform: uppercase; }
.quick-label strong { display: flex; align-items: center; justify-content: space-between; margin-top: 2px; font-size: 19px; letter-spacing: 0.04em; }
.quick-label strong::after { content: "→"; font-weight: 400; }

.info-panel { display: grid; grid-template-columns: 1fr 1.25fr; overflow: hidden; border-radius: var(--radius-lg); background: var(--ink); color: var(--white); }
.info-panel-copy { padding: clamp(36px, 6vw, 72px); }
.info-panel .eyebrow { color: #7fdaef; }
.info-panel h2 { margin: 0; font-family: "Hiragino Mincho ProN", "Yu Mincho", serif; font-size: clamp(28px, 4vw, 44px); font-weight: 500; }
.hours-list { display: grid; gap: 12px; margin: 28px 0 0; }
.hours-line { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; padding-bottom: 10px; border-bottom: 1px solid rgba(255, 255, 255, 0.16); }
.hours-line span { color: #b8c8ce; font-size: 14px; }
.hours-line strong { font-size: 17px; font-weight: 600; letter-spacing: 0.04em; }
.hours-note { margin: 16px 0 0; color: #b8c8ce; font-size: 14px; }
.info-panel-media { display: grid; place-items: center; background: var(--blue-pale); }
.info-panel-media img { width: 100%; height: 100%; min-height: 440px; object-fit: contain; }
.map-layout { display: grid; grid-template-columns: 1.45fr 0.55fr; gap: 24px; }
.map-frame { width: 100%; min-height: 430px; border: 0; border-radius: var(--radius-md); background: var(--blue-pale); }
.contact-card { display: flex; flex-direction: column; justify-content: space-between; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--white); }
.contact-card h3 { margin: 0 0 18px; font-size: 21px; }
.contact-card p { margin: 0 0 8px; color: var(--muted); font-size: 15px; }
.partner-card { display: grid; grid-template-columns: 160px 1fr auto; align-items: center; gap: 30px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-md); text-decoration: none; transition: border-color 180ms ease, transform 180ms ease; }
.partner-card:hover { border-color: var(--blue); transform: translateY(-2px); }
.partner-card img { width: 160px; border-radius: 14px; }
.partner-card p { margin: 0; }
.partner-card strong { display: block; font-size: 18px; }
.partner-card span { color: var(--muted); font-size: 14px; }
.partner-arrow { font-size: 24px; }

.social-links { display: flex; flex-wrap: wrap; gap: 10px; }
.social-links a { display: inline-flex; min-height: 46px; align-items: center; gap: 9px; padding: 0 15px 0 11px; border: 1px solid rgba(255, 255, 255, 0.24); border-radius: 999px; color: var(--white); font-size: 14px; font-weight: 700; text-decoration: none; transition: transform 180ms ease, background 180ms ease, border-color 180ms ease; }
.social-links svg { width: 22px; height: 22px; flex: 0 0 22px; }
.social-links a:hover { transform: translateY(-2px); border-color: rgba(255, 255, 255, 0.55); background: var(--blue-deep); }
.site-footer { padding: 70px 0 32px; background: var(--ink); color: var(--white); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 0.8fr; gap: 50px; }
.footer-brand .brand { color: var(--white); }
.footer-brand .brand-mark { border-color: rgba(255, 255, 255, 0.6); }
.footer-brand .brand-sub,
.footer-copy,
.footer-nav a,
.copyright { color: #b8c8ce; }
.footer-copy { margin: 22px 0 0; font-size: 14px; line-height: 1.9; }
.footer-title { margin: 0 0 16px; color: #7fdaef; font-family: Georgia, "Times New Roman", serif; font-size: 12px; font-style: italic; letter-spacing: 0.16em; text-transform: uppercase; }
.footer-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 24px; }
.footer-nav a { font-size: 14px; text-decoration: none; }
.footer-nav a:hover { color: var(--white); }
.copyright { margin: 54px 0 0; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, 0.12); font-size: 12px; }

.page-hero { padding: 72px 0 64px; background: linear-gradient(135deg, #f4fcfe 0%, #e3f7fb 100%); }
.page-title { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 50px; }
.page-title h1 { font-size: clamp(42px, 7vw, 82px); }
.concept-list { display: grid; gap: 30px; }
.concept-card { display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); }
.concept-card:nth-child(even) .concept-image { order: 2; }
.concept-image { display: grid; place-items: center; background: var(--blue-pale); }
.concept-image img { width: 100%; height: auto; min-height: 0; object-fit: contain; }
.concept-card:nth-child(2) .concept-image img,
.concept-card:nth-child(3) .concept-image img { object-fit: contain; padding: 60px; background: var(--blue-pale); }
.concept-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(36px, 6vw, 76px); }
.concept-number { display: grid; width: 46px; height: 46px; margin-bottom: 24px; place-items: center; border-radius: 50%; color: var(--white); background: var(--blue-deep); font-family: Georgia, "Times New Roman", serif; font-size: 18px; font-style: italic; }
.concept-copy h2 { margin: 0; font-family: "Hiragino Mincho ProN", "Yu Mincho", serif; font-size: clamp(25px, 3vw, 36px); font-weight: 500; line-height: 1.55; }
.concept-copy p { margin: 20px 0 0; color: var(--muted); line-height: 2.05; }

.gallery-section + .gallery-section { margin-top: 90px; }
.gallery-heading { display: flex; align-items: center; gap: 20px; margin-bottom: 30px; }
.gallery-heading h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(34px, 5vw, 58px); font-style: italic; font-weight: 400; }
.gallery-heading::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.gallery-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.gallery-grid img { width: 100%; height: auto; align-self: start; border-radius: 18px; object-fit: contain; background: var(--blue-pale); transition: transform 250ms ease, box-shadow 250ms ease; }
.gallery-grid img:hover { transform: translateY(-5px); box-shadow: 0 18px 35px rgba(24, 93, 119, 0.18); }

.menu-index { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 44px; }
.menu-index a { min-height: 44px; padding: 9px 15px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 14px; font-weight: 700; text-decoration: none; }
.menu-index a:hover { color: var(--blue-deep); border-color: var(--blue); background: var(--blue-pale); }
.menu-list { display: grid; align-items: start; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.menu-card { display: grid; grid-template-columns: minmax(0, 1fr) 155px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--white); }
.menu-content { padding: 30px; }
.menu-content h2 { overflow-wrap: anywhere; margin: 0 0 18px; font-family: Georgia, "Times New Roman", serif; font-size: 30px; font-style: italic; font-weight: 400; line-height: 1.25; }
.price-list { display: grid; margin: 0; }
.price-list > div { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.price-list > div:last-child { border-bottom: 0; }
.price-list dt,
.price-list dd { margin: 0; font-size: 14px; }
.price-list dd { color: var(--blue-deep); font-weight: 700; white-space: nowrap; }
.price-subhead { margin: 20px 0 4px; color: var(--muted); font-size: 12px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.menu-image { align-self: start; overflow: hidden; margin: 14px 14px 14px 0; border-radius: 16px; background: var(--blue-pale); }
.menu-image img { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; }
.menu-note { margin: 14px 0 0; color: var(--muted); font-size: 14px; }
.menu-guidance { margin: -18px 0 30px; color: var(--muted); font-size: 14px; }
.menu-guidance a { color: var(--blue-deep); text-underline-offset: 3px; }

.access-showcase { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 24px; }
.access-showcase { align-items: start; }
.access-showcase img { width: 100%; height: auto; min-height: 0; border-radius: var(--radius-md); object-fit: contain; }
.access-showcase img:last-child { object-fit: contain; padding: 24px; border: 1px solid var(--line); background: var(--white); }
.access-details { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.detail-card { padding: clamp(30px, 5vw, 50px); border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--white); }
.detail-card h2 { margin: 0 0 22px; font-family: Georgia, "Times New Roman", serif; font-size: 36px; font-style: italic; font-weight: 400; }
.detail-card p { margin: 0 0 8px; color: var(--muted); }
.detail-card .map-frame { min-height: 320px; }
.line-card { display: grid; grid-template-columns: 1fr 130px; align-items: center; gap: 30px; margin-top: 24px; padding: 30px; border-radius: var(--radius-md); background: var(--blue-pale); }
.line-card h3,
.line-card p { margin: 0; }
.line-card h3 { font-size: 20px; }
.line-card p { margin-top: 4px; color: var(--muted); }
.line-card img { width: 130px; height: auto; border-radius: 12px; }
.floating-contact { display: none; }

@media (max-width: 980px) {
  .desktop-nav { display: none; }
  .mobile-menu { display: block; }
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .info-panel,
  .map-layout,
  .page-title,
  .access-showcase,
  .access-details { grid-template-columns: 1fr; }
  .info-panel-media { order: -1; }
  .info-panel-media img { min-height: 340px; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .menu-list { grid-template-columns: 1fr; }
  .hero-card { grid-template-columns: 1fr; gap: 18px; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 88px; }
  body { padding-bottom: calc(94px + env(safe-area-inset-bottom)); }
  .container { width: min(100% - 32px, 1180px); }
  .header-inner { min-height: 68px; }
  .brand-name { font-size: 18px; }
  .brand-sub { font-size: 9px; }
  .hero { padding-top: 16px; }
  .hero-media { aspect-ratio: auto; min-height: 0; border-radius: 24px; }
  .hero-media picture { position: relative; display: block; }
  .hero-media picture img { height: auto; object-position: center top; }
  .hero-card { margin-top: 14px; padding: 24px; border-radius: 19px; }
  .hero-card-action > p { font-size: 14px; }
  .section { padding: 78px 0; }
  .section-heading { margin-bottom: 28px; }
  .intro-layout { grid-template-columns: 1fr; gap: 42px; }
  .intro-visual { width: 84%; margin-inline: auto; }
  .intro-copy p { line-height: 1.95; }
  .quick-grid { gap: 12px; }
  .quick-card { border-radius: 18px; }
  .quick-label { padding: 12px; }
  .quick-label strong { gap: 6px; letter-spacing: 0; }
  .quick-label strong { font-size: 16px; }
  .info-panel { border-radius: 24px; }
  .info-panel-media img { min-height: 260px; }
  .info-panel-copy,
  .contact-card { padding: 28px; }
  .hours-line { align-items: flex-start; flex-direction: column; gap: 0; }
  .map-frame { min-height: 350px; }
  .partner-card { grid-template-columns: 90px 1fr; gap: 18px; padding: 18px; }
  .partner-card img { width: 90px; }
  .partner-arrow { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .page-hero { padding: 54px 0 46px; }
  .page-title { gap: 14px; }
  .concept-card,
  .concept-card:nth-child(even) { grid-template-columns: 1fr; }
  .concept-card:nth-child(even) .concept-image { order: 0; }
  .concept-image img { min-height: 0; }
  .concept-card:nth-child(2) .concept-image img,
  .concept-card:nth-child(3) .concept-image img { height: 300px; padding: 34px; }
  .concept-copy { padding: 30px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .gallery-grid img { border-radius: 14px; }
  .menu-index { flex-wrap: wrap; gap: 8px; margin-bottom: 34px; }
  .menu-index::-webkit-scrollbar { display: none; }
  .menu-index a { white-space: nowrap; }
  .menu-card { display: block; position: relative; }
  .menu-image { position: absolute; top: 24px; right: 20px; width: 80px; margin: 0; border-radius: 14px; }
  .price-list > div { gap: 12px; }
  .menu-guidance { margin-top: 0; }
  .menu-content { padding: 24px 20px; }
  .menu-content h2 { min-height: 80px; padding-right: 94px; font-size: 26px; }
  .access-showcase img { min-height: 0; }
  .line-card { grid-template-columns: 1fr 95px; gap: 18px; padding: 22px; }
  .line-card img { width: 95px; }
  .floating-contact {
    position: fixed;
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom));
    left: 12px;
    z-index: 80;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 8px;
    border: 1px solid rgba(217, 233, 238, 0.9);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 12px 40px rgba(23, 46, 58, 0.18);
    backdrop-filter: blur(14px);
  }
  .floating-contact a { display: flex; min-height: 46px; align-items: center; justify-content: center; border-radius: 12px; font-size: 14px; font-weight: 800; text-decoration: none; }
  .floating-contact a:first-child { color: var(--white); background: var(--ink); }
  .floating-contact a:last-child { color: var(--blue-deep); background: var(--blue-pale); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}