diff --git a/app/components/ui/hacker-bg.tsx b/app/components/ui/hacker-bg.tsx
index 370e9d2..a0fec30 100644
--- a/app/components/ui/hacker-bg.tsx
+++ b/app/components/ui/hacker-bg.tsx
@@ -37,7 +37,7 @@ const HackerBackground: React.FC<HackerBackgroundProps> = ({
     let drops: number[] = new Array(columns).fill(1);
 
     const chars =
-      'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789@#$%^&*()_+';
+      'ｱｲｳｴｵｶｷｸｹｺｻｼｽｾｿﾀﾁﾂﾃﾄﾅﾆﾇﾈﾉﾊﾋﾌﾍﾎﾏﾐﾑﾒﾓﾔﾕﾖﾗﾘﾙﾚﾛﾜｦﾝ0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@#$%^&*()';
 
     let lastTime = 0;
     const interval = 33; // ~30 fps