diff --git a/packages/styles/global.css b/packages/styles/global.css
index 66ec06b23..7f91569ab 100644
--- a/packages/styles/global.css
+++ b/packages/styles/global.css
@@ -2,3 +2,22 @@ body {
   font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN",
     "Hiragino Sans", Meiryo, sans-serif;
 }
+
+*::-webkit-scrollbar {
+  width: 8px;
+  height: 8px;
+}
+
+*::-webkit-scrollbar-thumb {
+  background-color: #d3d8d7; /* gray400 */
+  border-radius: 4px;
+}
+
+*::-webkit-scrollbar-track {
+  background-color: #eef0ef; /* gray300 */
+  border-radius: 4px;
+}
+
+*::-webkit-scrollbar-button {
+  display: none;
+}
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