diff --git a/src/index.tsx b/src/index.tsx
index a4eefe0..a6f8b55 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -3,6 +3,9 @@ import App from "./App";
 import "./index.css";
 import reportWebVitals from "./reportWebVitals";
 
+// コンソールログ出力の抑制
+// process.env.NODE_ENV !== "development" && (console.log = () => {});
+
 const root = ReactDOM.createRoot(
   document.getElementById("root") as HTMLElement
 );