/* ============================================
   第18回 UFOの里 SUMMER MUSIC FESTIVAL 2026
   ============================================ */

:root {
  --space-deep: #0a0a2e;
  --space-mid: #1a1248;
  --space-purple: #2d1b69;
  --yellow: #FCEE21;
  --yellow-green: #9FE000;
  --beam-cyan: #aef7ff;
  --alien-lime: #b6ff3c;
  --text-light: #f4f4ff;
  --text-dim: #c9c6e8;

  font-size: 16px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  background-color: var(--space-deep);
  color: var(--text-light);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

/* ============================================
   Hero
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1.25rem;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 0%, var(--space-purple) 0%, var(--space-mid) 45%, var(--space-deep) 100%);
}

.stars {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(2px 2px at 10% 20%, #ffffff 0%, transparent 60%),
    radial-gradient(2px 2px at 80% 10%, #ffffff 0%, transparent 60%),
    radial-gradient(1.5px 1.5px at 30% 60%, #ffffff 0%, transparent 60%),
    radial-gradient(2px 2px at 65% 75%, #ffffff 0%, transparent 60%),
    radial-gradient(1.5px 1.5px at 90% 50%, #ffffff 0%, transparent 60%),
    radial-gradient(1.5px 1.5px at 45% 35%, #ffffff 0%, transparent 60%),
    radial-gradient(2px 2px at 15% 85%, #ffffff 0%, transparent 60%),
    radial-gradient(1.5px 1.5px at 55% 90%, #ffffff 0%, transparent 60%);
  opacity: 0.6;
  pointer-events: none;
}

.ufo-beam {
  position: absolute;
  top: -10%;
  left: 50%;
  width: 60vw;
  max-width: 600px;
  height: 120%;
  transform: translateX(-50%) rotate(8deg);
  background: linear-gradient(
    to bottom,
    rgba(174, 247, 255, 0.35) 0%,
    rgba(174, 247, 255, 0.12) 35%,
    rgba(174, 247, 255, 0) 75%
  );
  clip-path: polygon(45% 0%, 55% 0%, 100% 100%, 0% 100%);
  pointer-events: none;
  filter: blur(2px);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
}

.hero-eyebrow {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--beam-cyan);
}

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.05;
  font-family: "Bungee", "Noto Sans JP", sans-serif;
  text-shadow: 0 0 18px rgba(252, 238, 33, 0.35);
}

.title-en {
  font-size: clamp(2.2rem, 9vw, 3.6rem);
  background: linear-gradient(180deg, var(--yellow) 0%, var(--yellow-green) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 0.02em;
}

.title-year {
  font-size: clamp(3rem, 13vw, 5.5rem);
  background: linear-gradient(180deg, var(--yellow) 0%, var(--yellow-green) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-top: 0.2rem;
}

.hero-sub {
  font-size: clamp(1rem, 4vw, 1.4rem);
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 0.08em;
}

.hero-info {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(174, 247, 255, 0.25);
  border-radius: 14px;
  padding: 1rem 1.5rem;
  width: 100%;
}

.info-item {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  font-size: 1rem;
}

.info-label {
  font-weight: 700;
  color: var(--alien-lime);
  min-width: 3.5em;
}

.info-value {
  color: var(--text-light);
  font-weight: 500;
}

.hero-badges {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
}

.badge {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
}

.badge-free {
  background: var(--alien-lime);
  color: var(--space-deep);
  box-shadow: 0 0 16px rgba(182, 255, 60, 0.55);
}

.badge-parking {
  background: transparent;
  color: var(--beam-cyan);
  border: 1.5px solid var(--beam-cyan);
}

.cta-button {
  margin-top: 1.4rem;
  display: inline-block;
  padding: 0.9rem 2.2rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--space-deep);
  background: linear-gradient(135deg, var(--beam-cyan), var(--yellow-green));
  text-decoration: none;
  box-shadow: 0 0 24px rgba(174, 247, 255, 0.5);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-button:hover,
.cta-button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(174, 247, 255, 0.75);
}

.alien-deco {
  position: absolute;
  width: clamp(60px, 18vw, 130px);
  opacity: 0.9;
  pointer-events: none;
  z-index: 1;
}

.alien-deco--1 {
  bottom: 6%;
  left: 4%;
}

.alien-deco--2 {
  top: 8%;
  right: 5%;
  width: clamp(70px, 22vw, 160px);
}

/* ============================================
   Sections
   ============================================ */

.section {
  padding: 4rem 1.25rem;
  max-width: 1000px;
  margin: 0 auto;
}

.section--alt {
  background: linear-gradient(180deg, rgba(45, 27, 105, 0.35), transparent);
}

.section-title {
  font-family: "Bungee", "Noto Sans JP", sans-serif;
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  text-align: center;
  margin-bottom: 2.5rem;
  background: linear-gradient(180deg, var(--yellow) 0%, var(--yellow-green) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 0.05em;
}

/* ============================================
   開催概要
   ============================================ */

.schedule-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .schedule-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.schedule-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(174, 247, 255, 0.2);
  border-radius: 16px;
  padding: 1.75rem;
  text-align: center;
  position: relative;
}

.schedule-date {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.schedule-day {
  font-family: "Bungee", sans-serif;
  font-size: 2.2rem;
  color: var(--yellow);
}

.schedule-week {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--beam-cyan);
}

.schedule-name {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--alien-lime);
  margin-bottom: 0.5rem;
}

.schedule-time {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.schedule-desc {
  color: var(--text-dim);
  font-size: 0.95rem;
}

/* ============================================
   出演者
   ============================================ */

.artist-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 640px) {
  .artist-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

.artist-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(159, 224, 0, 0.25);
  border-radius: 14px;
  overflow: hidden;
  text-align: center;
  padding-bottom: 0.9rem;
}

.artist-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, var(--space-purple), var(--space-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.artist-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.artist-photo.no-image::before {
  content: "🛸";
  font-size: 2.5rem;
}

.artist-photo.no-image img {
  display: none;
}

.artist-name {
  margin-top: 0.75rem;
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--text-light);
}

.artist-sub {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.2rem;
}

.lineup-title {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--beam-cyan);
  text-align: center;
  margin-bottom: 1rem;
}

.lineup-list {
  list-style: none;
  counter-reset: lineup;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  max-width: 480px;
  margin: 0 auto;
}

@media (min-width: 480px) {
  .lineup-list {
    grid-template-columns: 1fr 1fr;
  }
}

.lineup-list li {
  counter-increment: lineup;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 0.6rem 0.9rem;
  font-weight: 500;
}

.lineup-list li::before {
  content: counter(lineup);
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.8em;
  height: 1.8em;
  border-radius: 50%;
  background: var(--alien-lime);
  color: var(--space-deep);
  font-weight: 900;
  font-size: 0.85rem;
}

.lineup-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 1.25rem;
}

/* ============================================
   アクセス
   ============================================ */

.access-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 720px) {
  .access-grid {
    grid-template-columns: 1fr 1.2fr;
    align-items: stretch;
  }
}

.access-info {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(174, 247, 255, 0.2);
  border-radius: 16px;
  padding: 1.75rem;
}

.access-venue {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--alien-lime);
  margin-bottom: 0.5rem;
}

.access-address {
  margin-bottom: 1rem;
}

.map-link {
  display: inline-block;
  color: var(--beam-cyan);
  font-weight: 700;
  text-decoration: underline;
  margin-bottom: 1rem;
}

.access-parking {
  font-weight: 700;
}

.access-map {
  border-radius: 16px;
  overflow: hidden;
  min-height: 280px;
  border: 1px solid rgba(174, 247, 255, 0.2);
}

.access-map iframe {
  width: 100%;
  height: 100%;
  min-height: 280px;
  border: 0;
}

/* ============================================
   主催・お問い合わせ・後援
   ============================================ */

.contact-box {
  text-align: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(252, 238, 33, 0.25);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  margin-bottom: 2.5rem;
}

.contact-organizer {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.contact-person {
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.tel-link {
  display: inline-block;
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--space-deep);
  background: linear-gradient(135deg, var(--yellow), var(--yellow-green));
  padding: 0.7rem 1.8rem;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 0 20px rgba(252, 238, 33, 0.4);
}

.support-title {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--beam-cyan);
  margin-bottom: 0.75rem;
}

.support-list {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.flyer-link {
  display: block;
  text-align: center;
  color: var(--alien-lime);
  font-weight: 700;
  text-decoration: underline;
}

/* ============================================
   Footer
   ============================================ */

.footer {
  text-align: center;
  padding: 2.5rem 1.25rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer p {
  margin-bottom: 0.3rem;
}