/* 活動の説明と、黒背景で見せる像の映像を並べる。 */
.activity-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
  align-items: center;
  gap: 20px;
  padding: 28px 30px;
  box-sizing: border-box;
  background: transparent;
}

.activity-showcase-copy { min-width: 0; }
.activity-showcase-copy h2 {
  margin: 0 0 24px;
  color: var(--subpage-green);
  font-size: 20px;
  line-height: 1.6;
  text-wrap: balance;
}

.activity-showcase-copy p {
  margin: 0;
  color: #566159;
  font-size: 15px;
  line-height: 2;
}

.activity-showcase-copy p + p { margin-top: 16px; }

.activity-artwork {
  width: 100%;
  min-width: 0;
  margin: 0;
  --glitch-control-color: #526256;
  --glitch-control-bg: #ffffffeb;
  --glitch-control-hover: #edf2e5;
}

.activity-artwork glitch-turntable {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  background: #000;
}

.activity-artwork glitch-turntable > img {
  display: block;
  width: 100%;
  height: auto;
}

/* 横長の活動写真は、説明の下に全体を表示する。 */
.activity-showcase + .activity-showcase {
  margin-top: 32px;
  border-top: 1px solid var(--line);
}

.activity-showcase-wide {
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.activity-photo { min-width: 0; margin: 0; }
.activity-photo a { display: block; }
.activity-photo a:focus-visible { outline: 2px solid #687d42; outline-offset: 4px; }
.activity-photo img { display: block; width: 100%; height: auto; }

/* 縦長と横長の写真を切り抜かず、画面の幅に応じて二列・一列に並べる。 */
.activity-photo-gallery { columns: 2; column-gap: 16px; }
.activity-photo-gallery .activity-photo { break-inside: avoid; margin-bottom: 16px; }
.activity-photo-gallery .activity-photo:last-child { margin-bottom: 0; }

/* 見出しから、本文末尾の権利注記へ移動する。 */
.activity-note-ref {
  margin-inline: 0.12em;
  font-size: 0.6em;
  line-height: 0;
  vertical-align: super;
}

.activity-note-ref a,
.activity-rights-note a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.activity-note-ref a:focus-visible,
.activity-rights-note a:focus-visible {
  outline: 2px solid #687d42;
  outline-offset: 4px;
}

.activity-note-ref a { scroll-margin-top: 80px; }

.activity-rights-note {
  width: min(100%, 800px);
  margin: 32px auto 0;
  padding: 24px 30px 0;
  border-top: 1px solid var(--line);
  box-sizing: border-box;
  color: #566159;
  font-size: 12px;
  line-height: 1.9;
  scroll-margin-top: 80px;
}

.activity-rights-note h2 {
  margin: 0 0 12px;
  color: #334539;
  font-size: 13px;
  line-height: 1.7;
}

.activity-rights-note p { margin: 0; }
.activity-rights-note p + p { margin-top: 12px; }
.activity-rights-note-links { display: flex; flex-wrap: wrap; gap: 8px 20px; }
@media (max-width: 600px) {
  .activity-showcase { grid-template-columns: minmax(0, 1fr); gap: 0; padding: 20px; }
  .activity-showcase-wide { gap: 20px; }
  .activity-rights-note { padding-inline: 20px; }
  .activity-photo-gallery { columns: 1; }
  .activity-artwork { width: min(100%, 320px); margin-inline: auto; }
}