:root {
  --bg: #f7f2e8;
  --surface: rgba(255, 252, 246, 0.95);
  --surface-strong: #fffdf9;
  --line: #d9cdbf;
  --text: #4f443b;
  --muted: #786c61;
  --accent: #b86874;
  --accent-soft: #efd7d9;
  --forest: #91b062;
  --forest-deep: #6f8f42;
  --forest-soft: #edf5e1;
  --sage: #b7c9af;
  --sage-deep: #70846b;
  --shadow: 0 18px 36px rgba(95, 76, 59, 0.1);
  --radius-lg: 28px;
  --radius-md: 22px;
  --radius-sm: 16px;
  --content-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(239, 215, 217, 0.8), transparent 28%),
    radial-gradient(circle at right 12%, rgba(183, 201, 175, 0.7), transparent 22%),
    linear-gradient(180deg, #faf6ef 0%, #f4ede3 100%);
  color: var(--text);
  font-family: "Yu Gothic", "Hiragino Sans", "BIZ UDPGothic", sans-serif;
  line-height: 1.75;
}

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

img {
  max-width: 100%;
}

.page-shell {
  width: min(calc(100% - 32px), var(--content-width));
  margin: 18px auto 42px;
}

.site-header,
.hero,
.feature-visual,
.content-section,
.site-footer {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 22px 26px;
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 0;
  text-align: center;
}

.brand-tag,
.section-label,
.footer-label,
.schedule-date {
  margin: 0;
  color: var(--accent);
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.brand-tag {
  color: var(--forest-deep);
}

.brand-title-row {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.brand-title-row strong {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.65rem, 2.4vw, 2.35rem);
  font-weight: 700;
  color: var(--forest-deep);
}

.brand-summary {
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 34rem;
}

.brand-leaf {
  position: relative;
  display: inline-flex;
  width: 52px;
  height: 32px;
}

.brand-leaf::after {
  content: "";
  position: absolute;
  left: 24px;
  bottom: 0;
  width: 3px;
  height: 20px;
  border-radius: 999px;
  background: #7b9150;
}

.brand-leaf .leaf {
  position: absolute;
  bottom: 10px;
  width: 18px;
  height: 24px;
  background: linear-gradient(180deg, var(--forest) 0%, var(--forest-deep) 100%);
  border-radius: 100% 0 100% 0;
  box-shadow: 0 6px 14px rgba(111, 143, 66, 0.18);
}

.brand-leaf-large {
  width: 68px;
  height: 40px;
}

.brand-leaf-large::after {
  left: 31px;
  height: 24px;
}

.brand-leaf-large .leaf {
  width: 22px;
  height: 30px;
  bottom: 10px;
}

.leaf-left {
  left: 2px;
  transform: rotate(-38deg);
}

.leaf-center {
  left: 17px;
  transform: rotate(-8deg);
}

.leaf-right {
  left: 31px;
  transform: rotate(24deg);
}

.brand-leaf-large .leaf-center {
  left: 23px;
}

.brand-leaf-large .leaf-right {
  left: 42px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 16px;
  width: 100%;
}

.site-nav a,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  transition:
    transform 0.2s ease,
    background-color 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

.site-nav a {
  min-width: 130px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.74);
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a.is-active {
  border-color: rgba(111, 143, 66, 0.25);
  background: var(--forest-soft);
  color: var(--forest-deep);
}

.button-primary {
  background: var(--sage-deep);
  color: #fff;
}

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.65);
}

.button:hover,
.text-link:hover {
  transform: translateY(-1px);
}

.hero {
  margin-top: 24px;
  padding: clamp(30px, 4vw, 54px);
}

.hero-home {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
  gap: 24px;
  align-items: start;
}

.hero-inner {
  background:
    linear-gradient(145deg, rgba(255, 253, 249, 0.95), rgba(243, 234, 223, 0.96)),
    var(--surface);
}

.hero h1,
.content-section h2,
.content-section h3 {
  margin: 10px 0 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  line-height: 1.3;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 4rem);
}

.hero-title-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 10px;
}

.hero-home h1 {
  margin: 0;
  color: var(--forest-deep);
}

.lead,
.detail-box p,
.info-card p,
.timeline-card p,
.schedule-card p,
.site-footer p,
.feature-visual-note {
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-panel,
.detail-box,
.info-card,
.schedule-card,
.timeline-card,
.flyer-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
}

.hero-panel {
  padding: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(241, 231, 225, 0.94)),
    rgba(255, 255, 255, 0.76);
}

.feature-visual {
  margin-top: 24px;
  padding: 18px;
}

.feature-visual-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius-lg) - 6px);
  background:
    linear-gradient(135deg, rgba(237, 245, 225, 0.92), rgba(255, 253, 249, 0.98)),
    var(--surface);
}

.feature-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.feature-visual-note {
  margin: 12px 8px 0;
  font-size: 0.93rem;
}

.content-section {
  margin-top: 24px;
  padding: clamp(24px, 3vw, 36px);
}

.content-section-accent {
  background:
    linear-gradient(140deg, rgba(183, 201, 175, 0.22), rgba(255, 255, 255, 0.92)),
    var(--surface);
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 20px;
}

.card-grid,
.schedule-grid,
.placeholder-grid,
.details-layout,
.timeline-list,
.flyers-grid {
  display: grid;
  gap: 18px;
}

.card-grid,
.schedule-grid {
  grid-template-columns: repeat(3, 1fr);
}

.placeholder-grid {
  grid-template-columns: repeat(3, 1fr);
}

.placeholder-grid-wide {
  grid-template-columns: 1fr 1fr;
}

.details-layout {
  grid-template-columns: repeat(2, 1fr);
}

.info-card,
.detail-box,
.flyer-card {
  padding: 22px;
}

.schedule-card {
  padding: 20px;
}

.timeline-list {
  grid-template-columns: 1fr;
}

.timeline-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 22px;
  padding: 20px 22px;
}

.bullet-list {
  margin: 0;
  padding-left: 1.1rem;
}

.bullet-list li + li {
  margin-top: 8px;
}

.text-link {
  display: inline-flex;
  margin-top: 14px;
  color: var(--forest-deep);
  font-weight: 700;
}

.photo-placeholder {
  display: grid;
  place-items: center;
  min-height: 220px;
  border: 1px dashed #bea997;
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(239, 215, 217, 0.4), rgba(255, 255, 255, 0.94)),
    #fff;
  color: var(--muted);
  text-align: center;
}

.photo-placeholder-tall {
  min-height: 320px;
}

.small-note {
  font-size: 0.94rem;
}

.site-footer {
  display: grid;
  grid-template-columns: 0.8fr 1fr 1fr;
  gap: 20px;
  margin-top: 24px;
  padding: 28px 30px;
}

.footer-title {
  margin: 6px 0 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--forest-deep);
}

.footer-copy,
.footer-meta {
  color: var(--muted);
}

@media (max-width: 1040px) {
  .site-header {
    position: static;
  }

  .hero-home,
  .card-grid,
  .schedule-grid,
  .placeholder-grid,
  .placeholder-grid-wide,
  .details-layout,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .timeline-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--content-width));
    margin-top: 10px;
  }

  .site-header,
  .hero,
  .feature-visual,
  .content-section,
  .site-footer {
    padding-left: 18px;
    padding-right: 18px;
  }

  .site-nav {
    justify-content: center;
  }

  .site-nav a,
  .button {
    width: 100%;
  }

  .site-nav a {
    min-width: unset;
  }

  .hero-title-row {
    align-items: flex-start;
    gap: 12px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }
}