diff --git a/style.css b/style.css
index d2188dc..f9eade1 100644
--- a/style.css
+++ b/style.css
@@ -360,6 +360,14 @@
       }
     }
 
+    @media only screen
+      and (max-height: 430px)   /* iPhone landscape heights around 390px */
+      and (orientation: landscape) {
+      .analog-clock-container {
+        --clock-size: 70vmin; /* roughly 1.7x larger than default */
+      }
+    }
+
 .eonstrip-grid {
   grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
   transform: translateX(0);