:root {
  --navy: #23297a;
  --navy-dark: #1a2065;
  --text: #2d3567;
  --muted: #5f678f;
  --bg: #fffdfa;
  --soft: #f7f3eb;
  --line: #e5e6ef;
  --shadow: 0 18px 48px rgba(25, 40, 95, 0.08);
  --radius: 26px;
  --radius-sm: 18px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: linear-gradient(180deg, #ffffff 0%, #fffdfa 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.8;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.narrow { width: min(calc(100% - 40px), 960px); }
.section { padding: 42px 0; }
.card {
  background: rgba(255,255,255,0.96);
  border: 1px solid rgba(32,40,90,0.07);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.section-title {
  margin: 0 0 24px;
  text-align: center;
  color: var(--navy);
  font-size: clamp(1.7rem, 2.6vw, 2.1rem);
  font-weight: 800;
  letter-spacing: 0.04em;
}
.section-title-left { text-align: left; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform .2s ease, opacity .2s ease;
}
.btn:hover { transform: translateY(-1px); opacity: .94; }
.btn-primary, .btn-sm {
  background: linear-gradient(180deg, #293296 0%, #1f267c 100%);
  color: #fff;
  box-shadow: 0 16px 30px rgba(35, 41, 122, 0.18);
}
.btn-sm { min-height: 46px; padding: 0 20px; font-size: .95rem; }
.btn-large { min-height: 58px; padding: 0 32px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(35,41,122,0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 88px;
}
.site-logo img { width: min(480px, 48vw); min-width: 220px; }
.global-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-weight: 700;
  color: var(--navy);
}
.global-nav a:not(.btn) { position: relative; }
.global-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--navy);
  transition: width .2s ease;
}
.global-nav a:not(.btn):hover::after { width: 100%; }
.nav-toggle {
  display: none; background: none; border: 0; padding: 8px; cursor: pointer;
}
.nav-toggle span {
  display: block; width: 26px; height: 3px; border-radius: 999px; background: var(--navy); margin: 5px 0;
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.hero { padding-top: 34px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 480px);
  gap: 42px;
  align-items: center;
}
.open-date {
  margin: 0 0 8px;
  color: var(--navy);
  font-size: clamp(2.2rem, 5vw, 3.75rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.hero h1 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: clamp(2.8rem, 7vw, 5rem);
  line-height: 1.1;
}
.hero-lead {
  margin: 0 0 24px;
  color: var(--navy);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 700;
}
.hero-text {
  margin: 0 0 24px;
  font-size: 1.1rem;
  max-width: 38em;
}
.hero-contact { margin-top: 22px; }
.hero-contact .tel {
  margin: 0 0 4px;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: var(--navy);
  font-weight: 800;
  letter-spacing: .03em;
}
.hero-contact .address, .reservation-contact .address { margin: 0; color: var(--muted); }
.hero-visual { position: relative; }
.hero-photo-wrap {
  border-radius: 42px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}
.hero-photo {
  width: 100%;
  aspect-ratio: 34 / 50;
  object-fit: cover;
}
.decor { position: absolute; pointer-events: none; }
.decor-hero-pink { width: 110px; left: -30px; bottom: 18px; }
.decor-hero-green { width: 120px; right: -10px; bottom: 40px; }

.notice-card { padding: 30px 32px 34px; }
.notice-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 28px; }
.notice-item:not(:last-child) { padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.notice-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.notice-date { color: var(--muted); font-weight: 700; font-size: .95rem; }
.notice-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--navy);
  font-size: .85rem;
  font-weight: 800;
}
.notice-title { margin: 0 0 12px; color: var(--navy); font-size: 1.35rem; font-weight: 800; }
.notice-lead { margin: 0 0 18px; }
.notice-detail { margin: 0 0 22px; display: grid; gap: 8px; }
.notice-detail-row { display: flex; gap: 12px; }
.notice-detail-row dt { flex: 0 0 auto; min-width: 8em; color: var(--navy); font-weight: 700; }
.notice-detail-row dd { margin: 0; }
.notice-table { min-width: 560px; }
.notice-note { margin: 10px 0 0; font-size: .92rem; color: var(--muted); }
.notice-cta { margin: 22px 0 0; font-weight: 700; color: var(--navy); }
.notice-cta a { text-decoration: underline; text-underline-offset: 3px; }
.service-notice { margin-top: 28px; }
.fill {
  color: #b23b3b;
  font-weight: 700;
  background: #fdeeee;
  padding: 2px 8px;
  border-radius: 6px;
}

.hours-card { padding: 22px 26px 24px; }
.table-wrap { overflow-x: auto; }
.hours-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  text-align: center;
  color: var(--navy);
}
.hours-table th, .hours-table td {
  border: 1px solid #cfd2e3;
  padding: 14px 12px;
  font-size: 1.05rem;
}
.hours-table thead th {
  background: #fbf6df;
  font-weight: 800;
}
.hours-table tbody th {
  background: #fff;
  font-weight: 800;
  white-space: nowrap;
}
.hours-note {
  margin: 14px 0 0;
  text-align: center;
  color: var(--navy);
  font-weight: 700;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.service-card {
  padding: 26px 20px 24px;
  text-align: center;
  min-height: 296px;
}
.service-icon {
  width: 78px;
  height: 78px;
  object-fit: contain;
  margin: 0 auto 14px;
}
.service-card h3 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: 1.9rem;
  line-height: 1.3;
}
.service-card p {
  margin: 0;
  font-size: 1rem;
  color: var(--text);
}

.message-card {
  position: relative;
  padding: 40px 44px;
  overflow: hidden;
}
.message-body {
  max-width: 920px;
  margin-inline: auto;
  position: relative;
  z-index: 1;
}
.message-body p { margin: 0 0 18px; font-size: 1.06rem; }
.message-body .director {
  margin-bottom: 0;
  text-align: right;
  color: var(--navy);
  font-size: 1.55rem;
  font-weight: 800;
}
.decor-message-blue { width: 135px; right: -22px; bottom: 24px; opacity: .95; }

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.overview-card, .access-card { padding: 28px; }
.info-table {
  width: 100%;
  border-collapse: collapse;
}
.info-table th, .info-table td {
  border: 1px solid #d7dae8;
  padding: 14px 16px;
  vertical-align: top;
  font-size: 1rem;
}
.info-table th {
  width: 28%;
  background: #fafbfd;
  color: var(--navy);
  text-align: left;
}
.map-placeholder {
  position: relative;
  height: 260px;
  overflow: hidden;
  border-radius: 22px;
  background: #faf8f1;
  border: 1px solid rgba(35,41,122,.08);
}
.map-line {
  position: absolute;
  background: #d7dbdf;
  border-radius: 999px;
}
.map-line-a { width: 150%; height: 4px; left: -15%; top: 35%; transform: rotate(8deg); }
.map-line-b { width: 140%; height: 5px; left: -12%; top: 62%; transform: rotate(-7deg); }
.map-line-c { width: 5px; height: 150%; left: 40%; top: -10%; transform: rotate(6deg); }
.map-line-d { width: 4px; height: 135%; left: 72%; top: -8%; transform: rotate(-9deg); }
.map-park {
  position: absolute; background: #dcebcb; border-radius: 12px;
}
.park-a { width: 88px; height: 58px; left: 18%; top: 28%; }
.park-b { width: 104px; height: 68px; right: 16%; bottom: 18%; }
.map-river {
  position: absolute; width: 24px; height: 140%; right: 20%; top: -14%; background: #d9eff7; transform: rotate(12deg); border-radius: 999px;
}
.map-pin {
  position: absolute; left: 58%; top: 42%; width: 34px; height: 34px; background: var(--navy); border-radius: 50% 50% 50% 0; transform: rotate(-45deg);
}
.map-pin::after {
  content: ""; position: absolute; inset: 9px; background: #fff; border-radius: 50%;
}
.map-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 20px;
  min-height: 54px;
  width: 100%;
  border-radius: 999px;
  border: 1px solid rgba(35,41,122,.16);
  color: var(--navy);
  font-weight: 800;
}

.reservation-band {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr auto 1fr;
  align-items: center;
  gap: 20px;
  padding: 28px 32px;
  border-radius: 28px;
  background: linear-gradient(180deg, #faf5e9 0%, #f7f1e4 100%);
  border: 1px solid rgba(35,41,122,.08);
}
.reservation-heading {
  margin: 0 0 6px;
  color: var(--navy);
  font-size: 1.7rem;
  font-weight: 800;
}
.reservation-sub { margin: 0; color: var(--muted); }
.reservation-contact { text-align: right; }
.reservation-contact .tel {
  margin: 0 0 4px;
  color: var(--navy);
  font-size: 2rem;
  font-weight: 800;
}
.decor-footer-yellow { width: 88px; left: 14px; bottom: 10px; }

@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { order: 1; }
  .hero-visual { order: 2; max-width: 560px; margin-inline: auto; }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .reservation-band { grid-template-columns: 1fr; text-align: center; padding-bottom: 94px; }
  .reservation-contact { text-align: center; }
  .decor-footer-yellow { left: 18px; bottom: 12px; }
}

@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .global-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(255,255,255,.98);
    border-bottom: 1px solid rgba(35,41,122,0.08);
    box-shadow: 0 20px 40px rgba(21,28,74,.10);
    padding: 10px 20px 18px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all .2s ease;
  }
  .global-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .global-nav a { padding: 12px 0; }
  .global-nav .btn { margin-top: 8px; }
  .site-logo img { width: min(420px, 70vw); }
  .info-grid { grid-template-columns: 1fr; }
  .message-card { padding: 32px 24px 88px; }
  .decor-message-blue { width: 100px; right: -14px; bottom: 16px; }
}

@media (max-width: 640px) {
  body { line-height: 1.7; }
  .container, .narrow { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 32px 0; }
  .site-logo img { min-width: 180px; width: 72vw; }
  .header-inner { min-height: 76px; }
  .open-date { font-size: clamp(1.85rem, 9vw, 2.7rem); }
  .hero h1 { font-size: clamp(2.5rem, 16vw, 3.9rem); }
  .hero-lead { font-size: 1rem; }
  .hero-text { font-size: 1rem; }
  .hero-contact .tel, .reservation-contact .tel { font-size: 1.5rem; }
  .hero-photo-wrap { border-radius: 30px; }
  .decor-hero-pink { width: 90px; left: -18px; bottom: 8px; }
  .decor-hero-green { width: 96px; right: -10px; bottom: 20px; }
  .hours-card { padding: 16px; }
  .notice-card { padding: 22px 18px 26px; }
  .notice-detail-row { flex-direction: column; gap: 2px; }
  .notice-detail-row dt { min-width: 0; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; }
  .message-body .director { font-size: 1.3rem; }
  .overview-card, .access-card { padding: 20px; }
  .info-table th, .info-table td { padding: 12px; font-size: .95rem; }
  .map-placeholder { height: 200px; }
  .reservation-heading { font-size: 1.35rem; }
  .reservation-band { padding: 22px 20px 82px; }
  .btn, .btn-large { min-height: 52px; }
}
