diff --git a/app/assets/app.css b/app/assets/app.css
index b1529c0..4962f82 100644
--- a/app/assets/app.css
+++ b/app/assets/app.css
@@ -1,13 +1,13 @@
 @font-face {
   font-family: "NDS7";
-  src: url("/assets/fonts/nds-7px.ttf") format("truetype");
+  src: url("/assets/fonts/nds-7px.woff2") format("woff2");
   font-weight: normal;
   font-style: normal;
 }
 
 @font-face {
-  font-family: "NDS9";
-  src: url("/assets/fonts/nds-9px.ttf") format("truetype");
+  font-family: "NDS10";
+  src: url("/assets/fonts/nds-10px.woff2") format("woff2");
   font-weight: normal;
   font-style: normal;
 }
diff --git a/app/assets/fonts/nds-10px.woff2 b/app/assets/fonts/nds-10px.woff2
new file mode 100644
index 0000000..c5c0ce1
Binary files /dev/null and b/app/assets/fonts/nds-10px.woff2 differ
diff --git a/app/assets/fonts/nds-7px.ttf b/app/assets/fonts/nds-7px.ttf
deleted file mode 100644
index be90c7b..0000000
Binary files a/app/assets/fonts/nds-7px.ttf and /dev/null differ
diff --git a/app/assets/fonts/nds-7px.woff2 b/app/assets/fonts/nds-7px.woff2
new file mode 100644
index 0000000..9071640
Binary files /dev/null and b/app/assets/fonts/nds-7px.woff2 differ
diff --git a/app/assets/fonts/nds-9px.ttf b/app/assets/fonts/nds-9px.ttf
deleted file mode 100644
index 6aa3cf1..0000000
Binary files a/app/assets/fonts/nds-9px.ttf and /dev/null differ
diff --git a/app/components/Home/TopScreen/Calendar.vue b/app/components/Home/TopScreen/Calendar.vue
index be9c471..327ce52 100644
--- a/app/components/Home/TopScreen/Calendar.vue
+++ b/app/components/Home/TopScreen/Calendar.vue
@@ -55,7 +55,7 @@ useRender((ctx) => {
   }
 
   ctx.fillStyle = "black";
-  ctx.font = "10px NDS9";
+  ctx.font = "10px NDS10";
   ctx.letterSpacing = "2px";
 
   const timeText = `${month}/${year}`;