* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: #111;
  background: #f6f6f3;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Yu Gothic", YuGothic, Arial, sans-serif;
  overflow-x: hidden;
}
img { max-width: 100%; }
button { font: inherit; }

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 34px;
  color: #fff;
  mix-blend-mode: difference;
  pointer-events: none;
}
.eyebrow {
  margin: 0 0 5px;
  font-size: 11px;
  letter-spacing: .2em;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 26px);
  letter-spacing: .06em;
  font-weight: 600;
}

.subtitle {
  margin: 5px 0 0;
  font-size: 10px;
  letter-spacing: .1em;
  opacity: .8;
}

.hero-page {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 560px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #21528f;

  display: grid;
  place-items: center;
}

.hero-page img {
  width: min(70vw, 1000px);
  max-height: 88vh;
  object-fit: contain;
  display: block;
  box-shadow: none;
}
.hero-label {
  position: absolute;
  left: 5vw;
  bottom: 4vh;
  color: #fff;
  font-size: 10px;
  letter-spacing: .25em;
  opacity: .7;
}
@keyframes heroIn {
  from { opacity: 0; transform: scale(.97) translateY(24px); }
  to { opacity: 1; transform: none; }
}

.section-heading {
  width: min(1120px, 88vw);
  margin: 0 auto 30px;
}
.section-heading span {
  display: block;
  margin-bottom: 8px;
  color: #888;
  font-size: 10px;
  letter-spacing: .2em;
}
.section-heading h2 {
  margin: 0;
  font-size: clamp(24px, 4vw, 46px);
  font-weight: 500;
  letter-spacing: .05em;
}
.section-heading p { margin: 10px 0 0; color: #888; font-size: 12px; }

.horizontal-section {
  padding: 14vh 0 16vh;
  background: #ecece8;
}
.horizontal-track {
  display: flex;
  gap: 5vw;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  padding: 10px max(6vw, calc((100vw - 1120px) / 2));
  cursor: grab;
}
.horizontal-track:active { cursor: grabbing; }
.horizontal-card {
  flex: 0 0 min(70vw, 720px);
  scroll-snap-align: center;
}
.horizontal-card img {
  display: block;
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  background: #fff;
  box-shadow: 0 22px 60px rgba(0,0,0,.13);
  cursor: zoom-in;
}
.card-number { margin-top: 12px; color: #888; font-size: 10px; letter-spacing: .18em; }

/* 8 / 11 / 12 / 14 / 16 / 17 / 22 の自動切り替え */
.autoplay-section {
  padding: 14vh 0 18vh;
  background: #111;
  color: #fff;
}
.autoplay-heading span { color: #777; }
.autoplay-heading p { color: #999; }
.autoplay-stage {
  position: relative;
  width: min(1120px, 88vw);
  height: min(76vh, 820px);
  margin: 0 auto;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #111;
}
.autoplay-image {
  position: absolute;
  width: min(78vw, 980px);
  max-height: 72vh;
  object-fit: contain;
  opacity: 0;
  transform: translateX(70px);
  transition: opacity .9s ease, transform .9s cubic-bezier(.2,.7,.2,1);
  cursor: zoom-in;
  will-change: opacity, transform;
}
.autoplay-image.is-showing {
  opacity: 1;
  transform: translateX(0);
}
.autoplay-image.is-leaving {
  opacity: 0;
  transform: translateX(-70px);
}
.autoplay-meta {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 18px;
  color: #999;
  font-size: 10px;
  letter-spacing: .2em;
}
.autoplay-progress {
  width: min(280px, 35vw);
  height: 1px;
  background: #333;
  overflow: hidden;
}
.autoplay-progress i {
  display: block;
  width: 0;
  height: 100%;
  background: #fff;
}

/* 各会場の様子・記録：ここはフェード演出なし */
.report-section {
  padding: 14vh 0 8vh;
  background: #f6f6f3;
}
.report-heading { margin-bottom: 12vh; }
#reportFlow { width: 100%; }

.normal-page {
  width: min(1000px, 84vw);
  margin: 0 auto 18vh;
}
.normal-page img {
  display: block;
  width: 100%;
  max-height: 88vh;
  object-fit: contain;
  background: #fff;
  box-shadow: 0 24px 65px rgba(0,0,0,.12);
  cursor: zoom-in;
}
.normal-page .card-number { margin-top: 14px; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 30px;
  background: rgba(0,0,0,.9);
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 95vw; max-height: 92vh; object-fit: contain; box-shadow: 0 20px 70px rgba(0,0,0,.4); }
.lightbox-close {
  position: fixed; top: 16px; right: 20px;
  width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.35);
  border-radius: 50%; background: rgba(255,255,255,.1); color: #fff;
  font-size: 30px; line-height: 1; cursor: pointer;
}
footer { padding: 20px; text-align: center; color: #999; font-size: 10px; }

@media (max-width: 700px) {
  .site-header { padding: 14px 18px; }
  .subtitle { display: none; }
  .hero-page { padding-top: 70px; }
  .hero-page img { width: 92vw; max-height: 82vh; }
  .section-heading { width: 88vw; }
  .horizontal-card { flex-basis: 86vw; }
  .horizontal-track { padding-left: 6vw; padding-right: 6vw; gap: 7vw; }
  .autoplay-stage { width: 90vw; height: 68vh; }
  .autoplay-image { width: 90vw; max-height: 64vh; }
  .autoplay-meta { padding: 0 2px; }
  .normal-page { width: 90vw; margin-bottom: 14vh; }
}

.autoplay-prev,
.autoplay-next {
  display: none;
}