Ticket #61633: 61633.diff

src/wp-content/themes/twentytwentyone/assets/sass/06-components/header.scss

@@ -32 +32 @@
 
         @include media(mobile) {
                 margin-right: initial;
-                margin-top: 4px; // Align the baseline of the site title with the primary menu
+                margin-top: calc(var(--primary-nav--padding) - 0.3em); // Align the baseline of the site title with the primary menu
         }
 }