:root {
  --ivory: #fffaf2;
  --warm-white: #fffefd;
  --blush: #f7dfe3;
  --blush-soft: #fff2f4;
  --gold: #d7b46a;
  --gold-soft: #f2e4c2;
  --beige: #ded0bb;
  --mocha: #725f52;
  --ink: #3d3430;
  --muted: #7f7169;
  --line: #06c755;
  --line-dark: #04a646;
  --shadow: 0 22px 60px rgba(114, 95, 82, 0.16);
  --serif: "Noto Serif JP", serif;
  --sans: "Zen Kaku Gothic New", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--ivory);
  font-family: var(--sans);
  line-height: 1.8;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px clamp(18px, 4vw, 54px);
  color: var(--warm-white);
  transition: background 0.3s ease, box-shadow 0.3s ease, color 0.3s ease, padding 0.3s ease;
}

.site-header.is-scrolled {
  padding-block: 12px;
  color: var(--ink);
  background: rgba(255, 250, 242, 0.92);
  box-shadow: 0 10px 30px rgba(114, 95, 82, 0.12);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--serif);
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.brand-text {
  font-size: 0.92rem;
}

.header-nav {
  display: flex;
  gap: clamp(16px, 3vw, 34px);
  font-size: 0.9rem;
  font-weight: 500;
}

.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  overflow: hidden;
  color: var(--warm-white);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("https://images.unsplash.com/photo-1519671482749-fd09be7ccebf?auto=format&fit=crop&w=1800&q=85");
  background-position: center;
  background-size: cover;
  transform: scale(1.04);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(61, 52, 48, 0.72), rgba(61, 52, 48, 0.34) 48%, rgba(61, 52, 48, 0.22)),
    linear-gradient(180deg, rgba(61, 52, 48, 0.24), rgba(61, 52, 48, 0.5));
}

.hero-content {
  position: relative;
  z-index: 2;
  align-self: center;
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
  padding: 112px 0 84px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-family: var(--serif);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 820px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.7rem, 7vw, 5.8rem);
  font-weight: 700;
  line-height: 1.2;
}

.hero-lead {
  max-width: 670px;
  margin: 26px 0 0;
  font-size: clamp(1rem, 2vw, 1.35rem);
}

.hero-details {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.hero-details span {
  min-height: 38px;
  padding: 6px 16px;
  border: 1px solid rgba(255, 254, 253, 0.5);
  border-radius: 999px;
  background: rgba(255, 254, 253, 0.12);
  backdrop-filter: blur(10px);
  font-family: var(--serif);
  font-weight: 600;
}

.hero-actions,
.final-cta-content .btn {
  margin-top: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-line {
  color: #fff;
  background: linear-gradient(135deg, var(--line), var(--line-dark));
  box-shadow: 0 14px 34px rgba(6, 199, 85, 0.28);
}

.btn-ghost {
  color: var(--warm-white);
  border-color: rgba(255, 254, 253, 0.6);
  background: rgba(255, 254, 253, 0.12);
  backdrop-filter: blur(10px);
}

.btn-secondary {
  color: var(--ink);
  background: linear-gradient(135deg, var(--gold-soft), #fff8e8);
  box-shadow: 0 12px 26px rgba(215, 180, 106, 0.22);
}

.btn-outline {
  color: var(--mocha);
  border-color: rgba(215, 180, 106, 0.65);
  background: rgba(255, 254, 253, 0.7);
}

.scroll-cue {
  position: absolute;
  right: clamp(18px, 4vw, 54px);
  bottom: 26px;
  z-index: 2;
  font-family: var(--serif);
  font-size: 0.78rem;
  writing-mode: vertical-rl;
}

.scroll-cue::after {
  display: block;
  width: 1px;
  height: 54px;
  margin: 10px auto 0;
  background: currentColor;
  content: "";
  opacity: 0.8;
}

.section {
  padding: clamp(74px, 10vw, 128px) 0;
}

.section-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.intro-section {
  background:
    linear-gradient(180deg, var(--ivory), var(--blush-soft));
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 440px);
  gap: clamp(34px, 7vw, 88px);
  align-items: center;
}

.intro-copy {
  font-family: var(--serif);
  font-size: clamp(1.08rem, 2vw, 1.45rem);
}

.intro-copy p {
  margin: 0 0 28px;
}

.intro-photo,
.venue-photo,
.final-cta-media {
  min-height: 520px;
  background-position: center;
  background-size: cover;
}

.intro-photo {
  position: relative;
  border-radius: 8px;
  background-image: url("https://images.unsplash.com/photo-1523050854058-8df90110c9f1?auto=format&fit=crop&w=1100&q=85");
  box-shadow: var(--shadow);
}

.intro-photo span {
  position: absolute;
  right: 22px;
  bottom: 18px;
  color: var(--warm-white);
  font-family: var(--serif);
  font-size: 1.9rem;
  font-weight: 700;
  text-shadow: 0 3px 14px rgba(61, 52, 48, 0.42);
}

.section-heading {
  max-width: 700px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-heading.align-left {
  margin-inline: 0;
  text-align: left;
}

.section-heading h2,
.venue-copy h2,
.final-cta h2 {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.35;
}

.section-heading p,
.venue-copy p,
.final-cta p {
  margin: 0;
  color: var(--muted);
}

.overview-section {
  background: var(--warm-white);
}

.detail-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid rgba(215, 180, 106, 0.35);
  border-radius: 8px;
  overflow: hidden;
  background: var(--ivory);
  box-shadow: var(--shadow);
}

.detail-item {
  min-height: 154px;
  padding: 30px 24px;
  border-right: 1px solid rgba(215, 180, 106, 0.28);
}

.detail-item:last-child {
  border-right: 0;
}

.detail-item dt {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.88rem;
}

.detail-item dd {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.2vw, 1.65rem);
  font-weight: 700;
  line-height: 1.45;
}

.detail-item dd span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.88rem;
  font-weight: 500;
}

.benefits-section {
  background:
    linear-gradient(180deg, var(--warm-white), #fff7ee 55%, var(--ivory));
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.benefit-card {
  min-height: 280px;
  padding: 34px 28px;
  border: 1px solid rgba(215, 180, 106, 0.35);
  border-radius: 8px;
  background: rgba(255, 254, 253, 0.82);
  box-shadow: 0 14px 44px rgba(114, 95, 82, 0.09);
}

.card-number {
  color: var(--gold);
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 700;
}

.benefit-card h3 {
  margin: 18px 0 12px;
  font-family: var(--serif);
  font-size: 1.35rem;
}

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

.venue-section {
  background: var(--blush-soft);
}

.venue-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(0, 1fr);
  gap: clamp(34px, 7vw, 80px);
  align-items: center;
}

.venue-photo {
  border-radius: 8px;
  background-image: url("https://images.unsplash.com/photo-1527529482837-4698179dc6ce?auto=format&fit=crop&w=1200&q=85");
  box-shadow: var(--shadow);
}

.venue-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0;
}

.venue-facts div {
  padding: 18px;
  border: 1px solid rgba(215, 180, 106, 0.35);
  border-radius: 8px;
  background: rgba(255, 254, 253, 0.64);
}

.venue-facts dt {
  color: var(--muted);
  font-size: 0.84rem;
}

.venue-facts dd {
  margin: 4px 0 0;
  font-family: var(--serif);
  font-weight: 700;
}

.access-section {
  background: var(--ivory);
}

.access-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 440px);
  gap: clamp(28px, 6vw, 70px);
  align-items: start;
}

.access-panel {
  padding: 32px;
  border: 1px solid rgba(215, 180, 106, 0.42);
  border-radius: 8px;
  background: var(--warm-white);
  box-shadow: var(--shadow);
}

.access-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(215, 180, 106, 0.26);
}

.access-row span {
  color: var(--muted);
}

.access-row strong {
  font-family: var(--serif);
  font-size: 1.15rem;
}

.access-note {
  margin: 22px 0;
  padding: 18px;
  border-radius: 8px;
  color: var(--mocha);
  background: var(--blush-soft);
}

.final-cta {
  position: relative;
  display: grid;
  min-height: 680px;
  place-items: center;
  overflow: hidden;
  padding: 88px 20px;
  color: var(--warm-white);
  text-align: center;
}

.final-cta-media {
  position: absolute;
  inset: 0;
  background-image: url("https://images.unsplash.com/photo-1528605248644-14dd04022da1?auto=format&fit=crop&w=1800&q=85");
  filter: saturate(0.92);
}

.final-cta::before {
  position: absolute;
  inset: 0;
  background: rgba(61, 52, 48, 0.54);
  content: "";
}

.final-cta-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.final-cta p {
  color: rgba(255, 254, 253, 0.88);
}

.site-footer {
  padding: 30px 20px;
  color: var(--mocha);
  background: var(--warm-white);
  text-align: center;
}

.site-footer p {
  margin: 0 0 2px;
  font-family: var(--serif);
  font-weight: 700;
}

.site-footer small {
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .header-nav {
    display: none;
  }

  .intro-grid,
  .venue-layout,
  .access-grid {
    grid-template-columns: 1fr;
  }

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

  .venue-photo {
    min-height: 420px;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .brand-text {
    max-width: 160px;
    font-size: 0.78rem;
    line-height: 1.3;
  }

  .hero {
    min-height: 760px;
  }

  .hero-content {
    width: min(100% - 32px, 560px);
    padding-top: 104px;
  }

  .hero-actions,
  .hero-actions .btn {
    width: 100%;
  }

  .hero-details span {
    width: 100%;
  }

  .scroll-cue {
    display: none;
  }

  .section-inner {
    width: min(100% - 32px, 560px);
  }

  .intro-photo,
  .venue-photo {
    min-height: 360px;
  }

  .detail-list,
  .benefit-grid,
  .venue-facts {
    grid-template-columns: 1fr;
  }

  .detail-item {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(215, 180, 106, 0.28);
  }

  .detail-item:last-child {
    border-bottom: 0;
  }

  .access-panel {
    padding: 24px 18px;
  }

  .access-row {
    display: block;
  }

  .access-row strong {
    display: block;
    margin-top: 3px;
  }

  .final-cta {
    min-height: 620px;
  }

  .final-cta-content .btn {
    width: 100%;
  }
}
