/* arcade ページ — arcade-page.css
   ノッチ / 星空下地 / .panel-tag / .live-dot / ナビ土台 → site-chrome.css */

html, body {
  background: var(--color-ink);
  overflow-x: clip;
}

body {
  -webkit-font-smoothing: antialiased;
  color: var(--color-paper);
  min-height: 100%;
}

.site-nav {
  position: relative;
}

.site-nav__bar {
  border-bottom: none;
}

/* 使用: .arcade-nav-logo
   効果: ナビ左の ARCADE TERMINAL（点滅は LP 見出しと同周期） */
.arcade-nav-logo img {
  object-fit: contain;
  object-position: left center;
}
.arcade-nav-logo__on {
  animation: arcade-nav-logo-blink 2s steps(1, end) infinite;
}
@keyframes arcade-nav-logo-blink {
  0%, 49.999% { opacity: 0; }
  50%, 100% { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .arcade-nav-logo__on {
    animation: none;
    opacity: 0;
  }
}

.arcade-page-main {
  position: relative;
  z-index: 1;
}

.arcade-full-shell {
  background: transparent;
  padding: 1.25rem 0 1.5rem;
}

@media (min-width: 640px) {
  .arcade-full-shell {
    padding: 1.75rem 0 2rem;
  }
}

.arcade-full-shell .meteor-game,
.arcade-full-shell .takibi-game {
  width: 100%;
  max-width: 960px;
  margin-inline: auto;
}

.arcade-full-shell .takibi-game:not(.takibi-game--standalone) .takibi-game__frame,
.arcade-full-shell .takibi-game .takibi-game__frame {
  height: min(72svh, 640px);
  min-height: 420px;
  aspect-ratio: unset;
}

.arcade-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-tiffany);
  text-decoration: none;
}

.arcade-back:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.arcade-page-footer {
  border: none;
  background: transparent;
}

.footer-logo__mix {
  display: block;
  width: min(72vw, 18rem);
  height: auto;
}

.footer-logo__text {
  display: none;
}

@media (min-width: 1024px) {
  .footer-logo {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
  }
  .footer-logo__mix {
    width: auto;
    height: 2.25rem;
  }
  .footer-logo__text {
    display: block;
    max-width: min(100%, 17.25rem);
    max-height: 1.08rem;
    object-fit: contain;
  }
}