/* Repair the material seam in the portrait entrance artwork, not the page
   transition. The original frame, portal, doors and timing remain untouched.
   The edited image is registered to the original scene and only its floor
   below the column bases is painted, with a short join on the real stone. */
@media (orientation: portrait) {
  .gate-scene::after,
  .gate-static-pic::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 2;
    background: url("gate/mobile-floor-continuous-20260905.jpg") center / 100% 100% no-repeat;
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, transparent 72%, #000 75.5%, #000 100%);
    mask-image: linear-gradient(180deg, transparent 0%, transparent 72%, #000 75.5%, #000 100%);
    pointer-events: none;
  }
}