diff --git a/assets/modern-light.css b/assets/modern-light.css
index 9f691d3..9319778 100644
--- a/assets/modern-light.css
+++ b/assets/modern-light.css
@@ -437,11 +437,19 @@ footer {
 }
 
 /* mathjax の要素を少し小さめに表示 */
+
+
+.math-block {
+    overflow-x: auto;
+    overflow-y: hidden;
+}
+
 .math-inline {
+    display: inline-grid;
+    overflow: hidden !important;
     font-size: 0.8em;
 }
 
-
 /* ===============================================
       Footnotes
         =============================================== */