/* ===== Reset & base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --blue: #0f2557;
  --blue-bright: #1e56c8;
  --gold: #f5b301;
  --ink: #1c2333;
  --ink-soft: #4a5468;
  --paper: #ffffff;
  --paper-alt: #f2f5fb;
  --radius: 14px;
}

html { scroll-behavior: smooth; }

body {
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.8;
}

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

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  color: #fff;
  overflow: hidden;
  background: linear-gradient(160deg, #0a1a3f, #1e3a7a);
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 16, 40, 0.55) 0%, rgba(8, 16, 40, 0.25) 45%, rgba(8, 16, 40, 0.75) 100%);
}

.nav {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 6vw;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.nav-sub {
  font-size: 0.7rem;
  color: var(--gold);
  margin-left: 0.35em;
  letter-spacing: 0.25em;
  vertical-align: middle;
}

.nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-size: 0.92rem;
  opacity: 0.9;
}

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

.hero-content {
  position: relative;
  z-index: 2;
  margin: auto;
  text-align: center;
  padding: 3rem 6vw 5rem;
  max-width: 860px;
}

.hero-eyebrow {
  letter-spacing: 0.35em;
  font-size: 0.8rem;
  color: var(--gold);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(1.9rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.35;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
}

.hero-lead {
  margin-top: 1.2rem;
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  opacity: 0.95;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

.hero-cta {
  display: inline-block;
  margin-top: 2.2rem;
  padding: 0.85rem 2.4rem;
  background: var(--gold);
  color: #241a00;
  font-weight: 700;
  text-decoration: none;
  border-radius: 999px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 6px 20px rgba(245, 179, 1, 0.35);
}

.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(245, 179, 1, 0.45); }

/* ===== Sections ===== */
.section {
  padding: 5rem 6vw;
  max-width: 1100px;
  margin: 0 auto;
}

.section-alt {
  max-width: none;
  background: var(--paper-alt);
}

.section-alt > * {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.section h2 {
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 800;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: baseline;
  gap: 0.7em;
}

.section-num {
  font-size: 0.85em;
  color: var(--gold);
  font-family: Georgia, serif;
  letter-spacing: 0.05em;
}

.section-lead {
  font-size: 1.02rem;
  color: var(--ink-soft);
  max-width: 760px;
  margin-bottom: 2.4rem;
}

/* ===== Stats ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat {
  background: var(--paper-alt);
  border-radius: var(--radius);
  padding: 1.4rem 1.2rem;
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--blue-bright);
}

.stat-label {
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.callout {
  background: linear-gradient(120deg, #fff7e0, #fff1c4);
  border-left: 5px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.2rem 1.5rem;
  font-size: 0.98rem;
}

/* ===== Area cards ===== */
.area-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.6rem;
  margin-bottom: 2rem;
}

.area-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(15, 37, 87, 0.08);
  transition: transform 0.25s, box-shadow 0.25s;
}

.area-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(15, 37, 87, 0.14);
}

.area-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #dfe6f2;
}

.area-body { padding: 1.4rem 1.5rem 1.7rem; }

.area-body h3 {
  font-size: 1.12rem;
  font-weight: 800;
  line-height: 1.5;
}

.area-date {
  font-size: 0.78rem;
  color: var(--blue-bright);
  font-weight: 700;
  margin: 0.25rem 0 0.7rem;
}

.area-body p:last-child {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.area-more {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.1rem 1.5rem;
  box-shadow: 0 3px 12px rgba(15, 37, 87, 0.07);
}

.area-more summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--blue-bright);
}

.area-more ul {
  margin-top: 1rem;
  padding-left: 1.4rem;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.area-more li { margin-bottom: 0.4rem; }

/* ===== Attractions ===== */
.attraction-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.3rem;
}

.attraction {
  border: 1px solid #e3e9f4;
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  background: #fff;
}

.attraction h3 {
  font-size: 1.02rem;
  font-weight: 800;
  margin: 0.55rem 0 0.45rem;
  line-height: 1.5;
}

.attraction p {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.attraction-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.15rem 0.7rem;
  border-radius: 999px;
  color: #fff;
}

.tag-thrill { background: #d64545; }
.tag-ride { background: var(--blue-bright); }
.tag-family { background: #2e9e5b; }

/* ===== Info ===== */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.6rem;
}

.info-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.8rem;
  box-shadow: 0 4px 18px rgba(15, 37, 87, 0.08);
}

.info-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 0.8rem;
}

.info-card table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.8rem 0;
}

.info-card th, .info-card td {
  text-align: left;
  padding: 0.55rem 0.4rem;
  border-bottom: 1px solid #edf1f8;
  font-size: 0.95rem;
}

.info-card td { font-weight: 700; color: var(--blue-bright); }

.info-card ul {
  padding-left: 1.3rem;
  margin: 0.6rem 0;
  font-size: 0.94rem;
  color: var(--ink-soft);
}

.info-card li { margin-bottom: 0.3rem; }

.note {
  font-size: 0.8rem;
  color: #8a93a6;
  margin-top: 0.6rem;
}

/* ===== Footer ===== */
.footer {
  background: var(--blue);
  color: #c9d4ea;
  text-align: center;
  padding: 2.8rem 6vw;
  font-size: 0.86rem;
}

.footer a { color: var(--gold); }

.footer-copy {
  margin-top: 1.2rem;
  opacity: 0.6;
  letter-spacing: 0.1em;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .nav-links { display: none; }
  .section { padding: 3.5rem 6vw; }
}