diff --git a/src/page/main/main.scss b/src/page/main/main.scss
index 8406d2b..059476b 100644
--- a/src/page/main/main.scss
+++ b/src/page/main/main.scss
@@ -5,6 +5,7 @@ main {
   overflow-x: hidden;
   overflow-y: scroll;
   perspective: 5px;
+  scroll-behavior: smooth;
 
   // chrome scrolling does not work on PC without this
   background: rgba(0, 0, 0, 0.005);