diff --git a/packages/web/src/App.svelte b/packages/web/src/App.svelte
index a9f6d21..94bd688 100644
--- a/packages/web/src/App.svelte
+++ b/packages/web/src/App.svelte
@@ -4098,6 +4098,12 @@
     gap: 0.8rem;
     max-width: min(22rem, 92vw);
     text-align: center;
+    /* A notice taller than the screen — preferences on a phone — scrolls
+     * inside its frame rather than running off the bottom uncatchable. */
+    max-height: calc(100dvh - 2rem);
+    overflow-y: auto;
+    -webkit-overflow-scrolling: touch;
+    box-sizing: border-box;
   }
   .attack-headline {
     font-family: "Oswald", sans-serif;