:root {
  color-scheme: only light;
  --bg-dark: #050505;
  --bg-deeper: #000000;
  --accent: #ff2a2a;
  --accent-soft: #ff6b3d;
  --text-light: #f9f4ef;
  --text-muted: rgba(249, 244, 239, 0.7);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  background: var(--bg-deeper);
  color: var(--text-light);
  line-height: 1.6;
}

main {
  min-height: 100vh;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0 20px 64px;
  overflow: hidden;
}

.hero-video {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: radial-gradient(circle at top, #3d1b1b, #070707 60%);
}

.hero-video__media {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(5, 5, 5, 0.3), rgba(5, 5, 5, 0.85) 70%);
}

.hero-content {
  text-align: center;
  max-width: 540px;
  animation: rise 0.9s ease-out;
  padding-top: 32px;
}

.hero-logo {
  width: min(90vw, 520px);
  margin: 0 auto 18px;
  display: flex;
  justify-content: center;
}

.hero-logo img {
  width: auto;
  height: min(68vh, 560px);
  max-width: 90vw;
  filter: drop-shadow(0 16px 40px rgba(0, 0, 0, 0.7));
}

.hero-meta {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-top: 26px;
  margin-bottom: 4px;
}

.hero-submeta {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--accent), var(--accent-soft));
  color: #0a0a0a;
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  margin-top: 12px;
}

.hero-cta:hover,
.hero-cta:focus {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 24px 60px rgba(255, 42, 42, 0.3);
}

.hero-notes {
  list-style: none;
  margin-top: 14px;
  font-size: 0.75rem;
  color: var(--text-muted);
  display: grid;
  gap: 6px;
  text-align: left;
}

.section {
  position: relative;
  padding: 72px 20px 80px;
}

.section--dark {
  background: var(--bg-dark);
}

.obi-banner {
  background: var(--bg-dark);
  padding: 36px 20px 48px;
  display: flex;
  justify-content: center;
}

.obi-banner img {
  width: min(92vw, 1100px);
  height: auto;
  display: block;
}

.obi-cta {
  background: var(--bg-dark);
  padding: 0 20px 52px;
  display: flex;
  justify-content: center;
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 36px;
}

.section-head h2 {
  font-family: "Bebas Neue", sans-serif;
  font-size: 2.2rem;
  letter-spacing: 0.12rem;
}

.section-head p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.artist-list {
  display: grid;
  gap: 24px;
}

.artist-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  background: #0f0f0f;
  border-radius: 16px;
  box-shadow: var(--shadow);
  animation: fade-in 0.9s ease both;
  align-items: center;
  text-align: center;
}

.artist-photo {
  width: min(60vw, 220px);
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  background-image: var(--photo, none), linear-gradient(135deg, #2b2b2b, #151515);
  background-size: cover;
  background-position: center;
}

.artist-info h3 {
  font-size: 1.2rem;
  margin-bottom: 6px;
}

.artist-info p.artist-role {
  font-size: 0.8rem;
  letter-spacing: 0.12rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
  text-align: center;
}

.artist-info p {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: left;
}

.lineup-note {
  margin-top: 96px;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
  letter-spacing: 0.08rem;
}

.artist-list--compact {
  margin-top: 24px;
}

.artist-card--compact {
  padding: 14px 16px;
  gap: 6px;
  align-items: center;
  text-align: center;
}

.artist-card--compact .artist-info p {
  text-align: center;
  margin-bottom: 0;
}

.access-card {
  display: grid;
  gap: 16px;
  padding: 20px;
  border-radius: 16px;
  background: #0f0f0f;
  box-shadow: var(--shadow);
}

.access-map {
  margin-top: 20px;
  border-radius: 16px;
  overflow: hidden;
  background: #0f0f0f;
  box-shadow: var(--shadow);
}

.access-map iframe {
  width: 100%;
  height: 300px;
  border: 0;
  display: block;
}

.access-flyer {
  margin-top: 36px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.access-flyer img {
  width: 100%;
  height: auto;
  display: block;
}

.access-card h3 {
  font-size: 1.3rem;
  margin-bottom: 6px;
}

.access-meta {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

.sponsor-logo {
  padding: 4px;
  text-align: center;
  font-weight: 700;
  letter-spacing: 0.12rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
}

.sponsor-logo img {
  max-width: 100%;
  max-height: 90px;
  object-fit: contain;
}

.sponsor-grid--inline {
  margin-top: 6px;
}

@media (min-width: 768px) {
  .hero {
    padding-bottom: 96px;
  }

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

  .artist-card {
    display: grid;
    grid-template-columns: 156px 1fr;
    gap: 16px;
    align-items: start;
    text-align: left;
  }

  .artist-info p.artist-role {
    text-align: left;
  }

  .artist-photo {
    width: 156px;
    height: 156px;
    aspect-ratio: auto;
  }

  .sponsor-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}