diff --git a/css/pages/_guide.css b/css/pages/_guide.css
index c3356587..66886928 100644
--- a/css/pages/_guide.css
+++ b/css/pages/_guide.css
@@ -873,6 +873,10 @@
     .guide-route { margin-top: 24px; padding: 22px; border-radius: 16px; }
     .guide-route-actions .btn { width: 100%; text-align: center; }
 }
+/* Single-column route form: labels sit naturally, no reserved 2-line height */
+@media (max-width: 430px) {
+    .guide-field label { min-height: 0; }
+}
 
 /* ---------- Personal route results page ---------- */
 .route-report-page { max-width: 820px; margin: 56px auto 64px; padding: 0 24px; }