diff --git a/src/components/DiaryNav/DiaryNavAside.astro b/src/components/DiaryNav/DiaryNavAside.astro
index c2c74e6..d6b5706 100644
--- a/src/components/DiaryNav/DiaryNavAside.astro
+++ b/src/components/DiaryNav/DiaryNavAside.astro
@@ -54,7 +54,7 @@ const pageSelectedClass = (slug?: string) =>
         border-left: 1px solid var(--blog_content-border);
         border-bottom: 1px solid var(--blog_content-border);
 
-        @media screen and (max-width: 900px) {
+        @media screen and (max-width: 890px) {
         & {
             display: none;
         }
diff --git a/src/components/DiaryNav/DiaryNavBar.astro b/src/components/DiaryNav/DiaryNavBar.astro
index 640b343..4d64148 100644
--- a/src/components/DiaryNav/DiaryNavBar.astro
+++ b/src/components/DiaryNav/DiaryNavBar.astro
@@ -83,7 +83,7 @@ nav {
         margin: -50px -50px 20px;
         border-bottom: 1px solid var(--blog_content-border);
 
-        @media screen and (max-width: 889px) {
+        @media screen and (max-width: 890px) {
             & {
                 display: grid;
                 margin-top: -20px;