diff --git a/app/assets/stylesheets/card-columns.css b/app/assets/stylesheets/card-columns.css
index 3173eb435..917788b5f 100644
--- a/app/assets/stylesheets/card-columns.css
+++ b/app/assets/stylesheets/card-columns.css
@@ -149,8 +149,18 @@
 
   .cards--considering {
     @media (min-width: 640px) {
-      border-inline-end: 1px solid var(--color-ink-lighter);
       padding-inline: var(--reserved-bubble-space) var(--cards-gap);
+
+      &:after {
+        background: linear-gradient(var(--color-canvas), var(--color-ink-lighter) 1%, var(--color-ink-lighter) 99%, var(--color-canvas));
+        block-size: calc(100% + 1.2em);
+        content: "";
+        display: block;
+        inline-size: 1px;
+        inset: -0.6em 0 -0.6em 100%;
+        position: absolute;
+        z-index: 3;
+      }
     }
 
     .card {