:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  --text: #0f172a;
  --muted: #475569;
  --brand: #0ea5e9;
  --brand-dark: #0284c7;
  --ring: rgba(14, 165, 233, 0.35);
  --radius: 14px;
  --shadow: 0 16px 40px rgba(2, 8, 23, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
}

.container {
  width: min(1100px, calc(100% - 2rem));
  margin-inline: auto;
}

.narrow {
  width: min(760px, 100%);
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  z-index: 20;
}

.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
}

.nav-list a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
}

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

.hero {
  padding: 5.5rem 0 4rem;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
  grid-template-columns: 1.35fr 1fr;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--brand-dark);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

h1,
h2,
h3 {
  line-height: 1.15;
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.5rem, 2.3vw, 2.2rem);
  margin-bottom: 0.8rem;
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.lead {
  color: var(--muted);
  max-width: 64ch;
  margin: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.7rem 1.05rem;
  font-weight: 600;
  background: var(--brand);
  color: #ffffff;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.btn:hover {
  background: var(--brand-dark);
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: rgba(148, 163, 184, 0.5);
  box-shadow: none;
}

.btn-sm {
  padding: 0.5rem 0.8rem;
  font-size: 0.92rem;
}

.hero-card {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
  overflow: hidden;
}

.hero-image {
  width: 100%;
  display: block;
  border-radius: 0;
  margin-bottom: 0;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

.hero-caption {
  margin-top: 0.6rem;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--muted);
}

.hero-card h2 {
  font-size: 1.2rem;
}

.hero-card ul {
  margin: 0.8rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.section {
  padding: 4rem 0;
}

.section p {
  color: var(--muted);
  margin: 0;
}

.photos .container > p {
  margin-bottom: 1rem;
}

.photo-grid {
  margin-top: 1.25rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.photo-grid figure {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.3);
  background: #e2e8f0;
}

.photo-grid img {
  width: 100%;
  height: 100%;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.location {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.location-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 1.25rem;
  align-items: center;
}

.map-wrap {
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #e2e8f0;
}

.map-wrap iframe {
  width: 100%;
  min-height: 340px;
  border: 0;
  display: block;
}

.alt {
  background: var(--surface-alt);
  border-block: 1px solid rgba(148, 163, 184, 0.25);
}

.cards {
  margin-top: 1.3rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: var(--radius);
  padding: 1.1rem;
}

.cta {
  text-align: center;
}

.cta .btn {
  margin-top: 1.1rem;
}

.prose p {
  color: var(--muted);
  margin: 0 0 1rem;
  max-width: 72ch;
}

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

.intro-links {
  margin-top: 1.75rem;
}

.intro-links h3 {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-dark);
  margin-bottom: 0.5rem;
}

.intro-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.intro-links a {
  text-decoration: none;
  color: var(--brand-dark);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.link-logo {
  width: 18px;
  height: 18px;
  object-fit: contain;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

.link-logo-ekitabu {
  width: 22px;
  height: 22px;
}

.intro-links a:hover {
  text-decoration: underline;
}

.intro-prose {
  margin-top: 1rem;
}

.intro-prose p {
  font-size: 1.05rem;
  line-height: 1.75;
}

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  padding: 1.2rem 0 1.8rem;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
}

.footer-wrap p {
  margin: 0;
}

.footer-links {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
}

.footer-links a {
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text);
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

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

  .photo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 720px) {
  .nav-list {
    display: none;
  }

  .hero {
    padding-top: 4.5rem;
  }

  .footer-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

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