:root {
  --bg: #0e0b08;
  --bg-2: #1a140e;
  --card: #17110b;
  --gold: #d4a64a;
  --gold-soft: #b08a3e;
  --cream: #f1e6cf;
  --muted: #9c8e75;
  --red: #a8322b;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background:
    radial-gradient(ellipse at 50% -10%, rgba(212,166,74,.18), transparent 60%),
    radial-gradient(ellipse at 100% 100%, rgba(168,50,43,.12), transparent 50%),
    var(--bg);
  color: var(--cream);
  font-family: "Noto Serif JP", serif;
  min-height: 100vh;
  padding: 0 16px 80px;
}

/* ---------- Header ---------- */
header {
  max-width: 1100px;
  margin: 0 auto;
  padding: 72px 0 40px;
  text-align: center;
  position: relative;
}
.eyebrow {
  font-family: "Playfair Display", serif;
  font-style: italic;
  letter-spacing: .35em;
  color: var(--gold);
  font-size: 14px;
  text-transform: uppercase;
}
h1 {
  font-family: "Noto Serif JP", serif;
  font-weight: 700;
  font-size: clamp(34px, 9vw, 96px);
  line-height: 1;
  margin: 18px 0 10px;
  color: var(--cream);
  text-shadow: 0 0 30px rgba(212,166,74,.35), 3px 3px 0 var(--red);
  letter-spacing: .02em;
}
.sub {
  font-family: "Playfair Display", serif;
  font-style: italic;
  color: var(--muted);
  font-size: 18px;
}
.rule {
  display: flex; align-items: center; justify-content: center; gap: 14px;
  margin: 28px auto 0; color: var(--gold); max-width: 420px;
}
.rule::before, .rule::after {
  content: ""; flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.rule::after { background: linear-gradient(90deg, var(--gold), transparent); }

/* ---------- Welcome ---------- */
.welcome {
  max-width: 760px;
  margin: 0 auto 64px;
  padding: 32px 28px;
  text-align: center;
  border: 1px solid rgba(212,166,74,.35);
  border-radius: 4px;
  background: linear-gradient(180deg, rgba(212,166,74,.08), rgba(212,166,74,.02));
  box-shadow: inset 0 0 0 6px var(--bg), inset 0 0 0 7px rgba(212,166,74,.2);
}
.event {
  display: grid; gap: 10px;
  max-width: 520px; margin: 0 auto;
  text-align: left;
}
.event div {
  display: grid; grid-template-columns: 5.5em 1fr; gap: 12px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(212,166,74,.25);
}
.event dt {
  font-size: 13px; color: var(--gold); letter-spacing: .2em;
}
.event dd { font-size: 18px; font-weight: 700; color: var(--cream); }
.welcome > .rule { margin: 22px auto 22px; }
.map {
  max-width: 520px; margin: 20px auto 0;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--gold-soft);
  border-radius: 4px; overflow: hidden;
  background: var(--bg-2);
}
.map iframe {
  width: 100%; height: 100%; border: 0; display: block;
  filter: sepia(.25) brightness(.92);
  transition: filter .3s ease;
}
.map:hover iframe { filter: none; }
.map-link {
  display: inline-block; margin-top: 10px;
  font-size: 14px; color: var(--gold); text-decoration: none; letter-spacing: .05em;
}
.map-link:hover { text-decoration: underline; }
.welcome-lead {
  font-weight: 700;
  font-size: clamp(26px, 6vw, 40px);
  color: var(--cream);
}
.welcome-lead span {
  font-family: "Playfair Display", serif; font-style: italic; font-weight: 900;
  color: var(--gold);
}
.welcome-text, .welcome-close {
  margin-top: 14px; line-height: 1.9; font-size: 16px; color: var(--cream);
}
.welcome-close { color: var(--gold); font-weight: 700; margin-top: 22px; }
.welcome-listen { margin-top: 8px; font-size: 15px; line-height: 1.9; color: var(--muted); }

/* コンセプト */
.concept-label {
  font-family: "Playfair Display", serif; font-style: italic;
  font-size: 13px; letter-spacing: .35em; text-transform: uppercase;
  color: var(--gold);
}
.concept-theme {
  margin-top: 8px;
  font-weight: 700;
  font-size: clamp(22px, 5vw, 32px);
  color: var(--cream);
  text-shadow: 0 0 24px rgba(212,166,74,.35);
}
.concept-text {
  margin-top: 14px;
  font-size: 15px; line-height: 2; color: var(--cream);
}
/* 広い画面だけで改行する */
@media (max-width: 640px) { br.pc { display: none; } }
.rental { margin-top: 24px; }
.rental-title {
  font-size: 14px; color: var(--muted); letter-spacing: .2em;
}
.rental ul {
  list-style: none;
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;
  margin-top: 12px;
}
.rental li {
  padding: 6px 16px;
  border: 1px solid var(--gold-soft);
  border-radius: 999px;
  font-size: 15px; color: var(--cream);
}
.section-title { text-align: center; margin-bottom: 28px; }
.section-title .rule { margin-top: 10px; }

/* ---------- Grid ---------- */
main {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 28px;
}
.card {
  background: linear-gradient(180deg, var(--bg-2), var(--card));
  border: 1px solid rgba(212,166,74,.25);
  border-radius: 4px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex; flex-direction: column;
  position: relative;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card:hover, .card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--gold);
  box-shadow: 0 14px 40px rgba(0,0,0,.6), 0 0 0 1px var(--gold);
  outline: none;
}
.thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #000;
}
.thumb img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: sepia(.35) contrast(1.05) brightness(.85);
  transition: filter .3s ease, transform .4s ease;
}
.card:hover .thumb img { filter: none; transform: scale(1.04); }
.play {
  position: absolute; inset: 0; display: grid; place-items: center;
  opacity: 0; transition: opacity .25s ease;
  background: rgba(0,0,0,.25);
}
.play span {
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(14,11,8,.85); border: 2px solid var(--gold);
  display: grid; place-items: center;
}
.play span::before {
  content: ""; margin-left: 5px;
  border-left: 18px solid var(--gold);
  border-top: 11px solid transparent; border-bottom: 11px solid transparent;
}
.card:hover .play { opacity: 1; }
.num {
  position: absolute; top: 10px; left: 12px;
  font-family: "Playfair Display", serif; font-weight: 900;
  font-size: 15px; color: var(--bg);
  background: var(--gold); padding: 2px 10px; border-radius: 2px;
  letter-spacing: .08em;
}
.info {
  padding: 18px 20px 20px;
  display: flex; justify-content: space-between; align-items: flex-end; gap: 12px;
  flex: 1;
}
.title {
  font-family: "Playfair Display", "Noto Serif JP", serif;
  font-weight: 700;
  font-size: 21px;
  line-height: 1.3;
}
.key {
  flex-shrink: 0;
  text-align: center;
  border: 1px solid var(--gold-soft);
  border-radius: 50%;
  width: 62px; height: 62px;
  display: flex; flex-direction: column; justify-content: center;
}
.key small {
  font-family: "Playfair Display", serif; font-style: italic;
  font-size: 10px; color: var(--muted); letter-spacing: .15em;
}
.key b {
  font-family: "Playfair Display", serif; font-weight: 900;
  font-size: 20px; color: var(--gold); line-height: 1.1;
}

.card-wrap { display: flex; flex-direction: column; }
.card-wrap .card { flex: 1; }
.chart-link {
  display: block; text-align: center; text-decoration: none;
  margin-top: 10px; padding: 10px;
  border: 1px solid var(--gold); border-radius: 4px;
  color: var(--gold); font-weight: 700; letter-spacing: .08em;
  transition: background .2s ease, color .2s ease;
}
.chart-link:hover { background: var(--gold); color: var(--bg); }

/* ---------- Instagram ---------- */
.insta {
  max-width: 1100px;
  margin: 80px auto 0;
  text-align: center;
}
.insta .rule { margin: 14px auto 28px; }
.insta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 480px));
  justify-content: center;
  gap: 28px;
  grid-auto-rows: 1fr;      /* すべての行を同じ高さにする */
  align-items: stretch;     /* 同じ行の枠を同じ高さにする */
}
.insta-frame {
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(212,166,74,.25);
  border-radius: 4px;
  padding: 12px;
  background: linear-gradient(180deg, var(--bg-2), var(--card));
}
.insta-frame .instagram-media {
  width: 100% !important;
  min-width: 0 !important;
  max-width: 100% !important;
  margin: 0 !important;
}
.insta-frame a { color: var(--gold); }
.insta h2 {
  font-family: "Noto Serif JP", serif;
  font-weight: 700;
  font-size: clamp(24px, 5vw, 36px);
  color: var(--cream);
  margin-top: 10px;
}
.member {
  margin-bottom: 12px;
  display: flex; justify-content: center; align-items: baseline; gap: 10px;
  flex-wrap: wrap;
}
.member b {
  font-family: "Playfair Display", "Noto Serif JP", serif;
  font-size: 22px; color: var(--cream);
}
.member span {
  font-size: 14px; color: var(--gold);
}

footer {
  text-align: center; margin-top: 64px;
  font-family: "Playfair Display", serif; font-style: italic;
  color: var(--muted); letter-spacing: .2em; font-size: 13px;
}