/* =====================
   RESET / BASE
===================== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root{
  --bg: #fff7ed;
  --fg: #1b1a17;
  --muted: rgba(27,26,23,0.72);

  --accent: #d28b13;   /* warm amber */
  --accent2:#f1c55a;   /* light gold */
  --ink-on-hero: rgba(255,255,255,0.96);

  --card: rgba(255,255,255,0.76);
  --stroke: rgba(27,26,23,0.14);
  --shadow: 0 18px 60px rgba(0,0,0,0.18);
  --shadow2: 0 10px 30px rgba(0,0,0,0.16);

  --radius: 18px;
}

html { scroll-behavior: smooth; }
body{
  font-family: "Noto Sans JP", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--fg);
  background: radial-gradient(1200px 700px at 20% 10%, rgba(210,139,19,0.12), transparent 60%),
              radial-gradient(900px 600px at 85% 0%, rgba(241,197,90,0.12), transparent 55%),
              linear-gradient(180deg, #fff7ed 0%, #ffffff 42%, #fff7ed 100%);
  min-height: 100vh;
  overflow-x: hidden; /* 100vw使用時の横スクロール対策 */
}

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }

.container{
  width: min(1040px, 92vw);
  margin: 0 auto;
}

.section{
  padding: 62px 0;
}

.section-head{
  margin-bottom: 18px;
}

.section-title{
  font-family: "Playfair Display", serif;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: clamp(1.55rem, 1.1rem + 1.6vw, 2.2rem);
}

.section-sub{
  margin-top: 6px;
  font-size: 0.92rem;
  letter-spacing: 0.22em;
  color: var(--muted);
}

/* =====================
   HERO
===================== */
.hero{
  position: relative;
  min-height: 92vh;
  display: grid;
  place-items: center;
  overflow: hidden;
}

/*
  CMSのカラム内にHTMLを埋め込んだ場合でも、トップが「左に寄って右側が余る」
  見え方にならないよう、ビューポート幅でフルブリード表示させる保険。
  （通常のindex.html直置き運用では実質影響なし）
*/
.hero,
main,
.footer{
  width: 100vw;
  margin-left: calc(50% - 50vw);
}

.hero-bg{
  position: absolute;
  inset: 0;
  background: url("../img/hero.jpg") left center / cover no-repeat;
  transform: scale(1.02);
}

.hero-overlay{
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg,
      rgba(0,0,0,0.55) 0%,
      rgba(0,0,0,0.42) 34%,
      rgba(0,0,0,0.18) 62%,
      rgba(0,0,0,0.08) 100%);
}

.hero-content{
  position: relative;
  z-index: 2;
  width: min(980px, 92vw);
  padding: 26px 0 40px;
  text-align: left;
  color: var(--ink-on-hero);
  text-shadow: 0 8px 24px rgba(0,0,0,0.45);
}

.hero-kicker{
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  opacity: 0.92;
}

.hero-title{
  margin-top: 10px;
  line-height: 1.05;
}

.hero-title-en{
  display: block;
  font-family: "Playfair Display", serif;
  letter-spacing: 0.18em;
  font-weight: 600;
  font-size: clamp(0.95rem, 0.65rem + 0.9vw, 1.25rem);
  opacity: 0.92;
}

.hero-title-ja{
  display: block;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: clamp(2.2rem, 1.4rem + 4vw, 4.1rem);
  letter-spacing: 0.06em;
}

.hero-subtitle{
  margin-top: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.35;
  font-size: clamp(1.05rem, 0.8rem + 1.2vw, 1.45rem);
}

.hero-alive{
  font-family: "Playfair Display", serif;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.hero-alive-sub{
  font-weight: 600;
  opacity: 0.95;
}

.hero-meta{
  margin-top: 14px;
  font-size: 0.98rem;
  line-height: 1.55;
  opacity: 0.94;
}

.countdown-kicker{
  margin-top: 18px;
  font-size: 0.95rem;
  letter-spacing: 0.26em;
  font-weight: 700;
  opacity: 0.92;
}


/* Countdown */
.hero-countdown{
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  max-width: 520px;
}

.unit{
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  padding: 14px 10px 12px;
  text-align: center;

  /* warm glass */
  background: linear-gradient(135deg, rgba(255,255,255,0.16), rgba(255,255,255,0.06));
  border: 1px solid rgba(255,255,255,0.28);
  backdrop-filter: blur(10px);
  box-shadow: 0 16px 52px rgba(0,0,0,0.22);
  text-shadow: none;
}
.unit::before{
  content: "";
  position: absolute;
  inset: -1px;
  background:
    radial-gradient(420px 140px at 18% 18%, rgba(241,197,90,0.42), transparent 60%),
    radial-gradient(520px 220px at 86% 92%, rgba(210,139,19,0.34), transparent 62%);
  opacity: 0.9;
  pointer-events: none;
}
.unit > *{ position: relative; z-index: 1; }

.unit b{
  display: block;
  font-family: "Playfair Display", serif;
  font-weight: 700;
  font-size: clamp(1.55rem, 1.1rem + 2.0vw, 2.4rem);
  color: rgba(255,255,255,0.96);
  text-shadow: 0 14px 26px rgba(0,0,0,0.36);
}

.unit span{
  display: block;
  margin-top: 6px;
  font-size: 0.86rem;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.80);
  text-shadow: 0 10px 18px rgba(0,0,0,0.32);
}

/* Hero actions + nav */
.hero-actions{
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-cta{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: linear-gradient(135deg, rgba(210,139,19,0.92), rgba(241,197,90,0.92));
  border: 1px solid rgba(255,255,255,0.35);
  color: #15130f;
  box-shadow: var(--shadow2);
  text-shadow: none;
}

.hero-cta:hover{ filter: brightness(1.03); transform: translateY(-1px); }

.hero-cta.ghost{
  background: rgba(255,255,255,0.10);
  color: var(--ink-on-hero);
  border: 1px solid rgba(255,255,255,0.28);
  backdrop-filter: blur(6px);
}

.hero-nav{
  margin-top: 18px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.92rem;
  letter-spacing: 0.10em;
}

.hero-nav a{
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.22);
  background: rgba(0,0,0,0.12);
  backdrop-filter: blur(6px);
}

.hero-nav a:hover{ background: rgba(0,0,0,0.18); }

/* =====================
   CONTENT
===================== */
.info-lead{
  line-height: 1.9;
  font-size: 1.02rem;
  color: rgba(27,26,23,0.88);
  margin: 12px 0 18px;
}

.kv-grid{
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.kv{
  display: grid;
  grid-template-columns: 7.2em 1fr;
  gap: 10px;
  padding: 14px 14px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow2);
}

.kv .k{
  font-weight: 700;
  letter-spacing: 0.10em;
  color: rgba(27,26,23,0.72);
}

.kv .v{
  color: rgba(27,26,23,0.92);
}

.text-link{
  color: #1b1a17;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.card-grid{
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card{
  padding: 18px 16px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow2);
}

.card h3{
  font-weight: 800;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.card p{
  line-height: 1.85;
  color: rgba(27,26,23,0.90);
}

.bullets{
  padding-left: 1.2em;
  line-height: 1.85;
  color: rgba(27,26,23,0.90);
}

.note{
  margin-top: 10px;
  font-size: 0.9rem;
  color: rgba(27,26,23,0.70);
}

/* performers */
.performer-grid{
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.p-card{
  padding: 16px 14px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.70);
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow2);
}

.p-card .role{
  font-size: 0.86rem;
  letter-spacing: 0.14em;
  color: rgba(27,26,23,0.62);
}

.p-card .name{
  margin-top: 6px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

/* tickets */
.ticket-grid{
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(210,139,19,0.88), rgba(241,197,90,0.88));
  border: 1px solid rgba(27,26,23,0.12);
  color: #15130f;
  font-weight: 800;
  letter-spacing: 0.08em;
  box-shadow: var(--shadow2);
}

.btn:hover{ filter: brightness(1.02); transform: translateY(-1px); }

/* gallery */
.gallery-grid{
  margin-top: 14px;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gallery-grid > div{
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: #eee center / cover no-repeat;
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow2);
  cursor: pointer;
  transform: translateY(0);
  transition: transform 180ms ease, filter 180ms ease;
}

.gallery-grid > div:hover{
  transform: translateY(-2px);
  filter: brightness(1.01);
}

.gallery-note{
  margin-top: 12px;
  color: rgba(27,26,23,0.70);
  font-size: 0.92rem;
}

/* FAQ */
.faq-block{
  margin-top: 14px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow2);
  overflow: hidden;
}

.faq-block summary{
  padding: 16px 14px;
  cursor: pointer;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.faq-inner{
  padding: 12px 14px 18px;
  border-top: 1px solid rgba(27,26,23,0.10);
}

.faq-dl dt{
  margin-top: 14px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.faq-dl dd{
  margin-top: 6px;
  color: rgba(27,26,23,0.86);
  line-height: 1.85;
}

/* Footer */
.footer{
  padding: 36px 0 48px;
  border-top: 1px solid rgba(27,26,23,0.10);
}

.to-top{
  display: inline-flex;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  background: rgba(210,139,19,0.16);
  border: 1px solid rgba(27,26,23,0.12);
  margin-bottom: 10px;
}

.footer-title{
  font-weight: 900;
  letter-spacing: 0.06em;
}

.footer-meta{
  margin-top: 8px;
  color: rgba(27,26,23,0.72);
}

.footer-copy{
  margin-top: 12px;
  color: rgba(27,26,23,0.60);
  font-size: 0.9rem;
}

/* Lightbox */
.lightbox{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 22px;
}

.lightbox.is-open{ display: flex; }

.lightbox img{
  max-width: min(980px, 96vw);
  max-height: 90vh;
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}

/* Reveal */
.reveal{
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 520ms ease, transform 520ms ease;
}

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

/* =====================
   RESPONSIVE
===================== */
@media (max-width: 980px){
  .card-grid{ grid-template-columns: 1fr; }
  .ticket-grid{ grid-template-columns: 1fr; }
  .performer-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px){
  .section{ padding: 54px 0; }
  .hero-content{ padding: 22px 0 34px; }
  .hero-countdown{ max-width: 100%; }
  .unit{ padding: 12px 8px 10px; border-radius: 14px; }
  .kv{ grid-template-columns: 6.6em 1fr; }
  .gallery-grid{ grid-template-columns: 1fr; }
}