/* 編集協力 — 共有テーマ（紫） */
.contribute-theme {
  --ct-violet-50: #f5f3ff;
  --ct-violet-100: #ede9fe;
  --ct-violet-200: #ddd6fe;
  --ct-violet-300: #c4b5fd;
  --ct-violet-400: #a78bfa;
  --ct-violet-500: #8b5cf6;
  --ct-violet-600: #7c3aed;
  --ct-violet-700: #6d28d9;
  --ct-violet-800: #5b21b6;
  --ct-violet-900: #4c1d95;
  --ct-window-border: 2px solid var(--ct-violet-400);
  --ct-window-divider: 2px solid var(--ct-violet-300);
  --ct-window-shadow: 0 4px 22px rgba(91, 33, 182, 0.14);
}

.contribute-app {
  margin-top: 0.5rem;
}

.contribute-shell {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.contribute-theme .contribute-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(120px, 220px);
  gap: 0.75rem 1.25rem;
  align-items: end;
  margin-bottom: 0.25rem;
}

.contribute-theme .contribute-hero-main {
  min-width: 0;
}

.contribute-theme .contribute-hero-aside {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding-bottom: 0.35rem;
  pointer-events: none;
  user-select: none;
}

.contribute-theme .contribute-hero-standing {
  display: block;
  width: 100%;
  max-width: 220px;
  height: auto;
  object-fit: contain;
  vertical-align: top;
}

@media (max-width: 720px) {
  .contribute-theme .contribute-hero {
    grid-template-columns: 1fr;
  }

  .contribute-theme .contribute-hero-aside {
    display: none;
  }
}