diff --git a/common/lib/panic.ts b/common/lib/panic.ts
index 0a7ae204..63afe954 100644
--- a/common/lib/panic.ts
+++ b/common/lib/panic.ts
@@ -1,6 +1,8 @@
 // unexpected error
 export function panic(reason: string): never {
-  throw new Error(reason, {
-    cause: "panic",
-  });
+  throw new Error(reason);
+  // TODO: 型エラーとなるため一時的にコメントアウト
+  // throw new Error(reason, {
+  //   cause: "panic",
+  // });
 }
diff --git a/web/app/manifest.ts b/web/app/manifest.ts
new file mode 100644
index 00000000..5a875092
--- /dev/null
+++ b/web/app/manifest.ts
@@ -0,0 +1,25 @@
+import type { MetadataRoute } from "next";
+
+export default function manifest(): MetadataRoute.Manifest {
+  return {
+    name: "CourseMate",
+    short_name: "CourseMate",
+    description: "同じ授業を履修している友達を見つけられるアプリ",
+    start_url: "/",
+    display: "standalone",
+    background_color: "#ffffff",
+    theme_color: "#000000",
+    icons: [
+      {
+        src: "/icon-192x192.png",
+        sizes: "192x192",
+        type: "image/png",
+      },
+      {
+        src: "/icon-512x512.png",
+        sizes: "512x512",
+        type: "image/png",
+      },
+    ],
+  };
+}
diff --git a/web/public/icon-192x192.png b/web/public/icon-192x192.png
new file mode 100644
index 00000000..821e0465
Binary files /dev/null and b/web/public/icon-192x192.png differ
diff --git a/web/public/icon-512x512.png b/web/public/icon-512x512.png
new file mode 100644
index 00000000..518d10a9
Binary files /dev/null and b/web/public/icon-512x512.png differ