/* Mycélium des Idées et Ondes d’une Question. */
body { isolation: isolate; }
#sphera-ideas-background {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  opacity: .88;
  contain: strict;
}
@media (max-width: 600px) {
  #sphera-ideas-background { opacity: .65; }
}
@media (prefers-reduced-motion: reduce) {
  #sphera-ideas-background { opacity: .5; }
}