diff --git a/angular.json b/angular.json
index c86d02e..7b10856 100644
--- a/angular.json
+++ b/angular.json
@@ -18,6 +18,9 @@
                         "main": "src/main.ts",
                         "polyfills": "src/polyfills.ts",
                         "tsConfig": "tsconfig.app.json",
+                        "allowedCommonJsDependencies": [
+                            "ts-interface-checker"
+                        ],
                         "assets": [
                           "src/assets",
                           "src/manifest.webmanifest",
diff --git a/package-lock.json b/package-lock.json
index 80a02fd..08cb389 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,6 +26,7 @@
                 "@fortawesome/free-regular-svg-icons": "^6.1.1",
                 "@fortawesome/free-solid-svg-icons": "^6.1.1",
                 "bootstrap": "^4.6.1",
+                "cors": "^2.8.5",
                 "express": "^4.18.1",
                 "jquery": "^3.6.0",
                 "normalize.css": "^8.0.1",
@@ -5828,7 +5829,6 @@
             "version": "2.8.5",
             "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
             "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
-            "dev": true,
             "dependencies": {
                 "object-assign": "^4",
                 "vary": "^1"
@@ -10584,7 +10584,6 @@
             "version": "4.1.1",
             "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
             "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
-            "dev": true,
             "engines": {
                 "node": ">=0.10.0"
             }
@@ -18611,7 +18610,6 @@
             "version": "2.8.5",
             "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
             "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
-            "dev": true,
             "requires": {
                 "object-assign": "^4",
                 "vary": "^1"
@@ -22109,8 +22107,7 @@
         "object-assign": {
             "version": "4.1.1",
             "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
-            "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
-            "dev": true
+            "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg=="
         },
         "object-inspect": {
             "version": "1.12.2",
diff --git a/package.json b/package.json
index 9325356..8f81485 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,11 @@
         "start": "node ./server.js",
         "postinstall": "ng build --configuration=production"
     },
+    "proxy": {
+        "/callback": {
+            "target": "http://localhost:8070"
+        }
+    },
     "private": true,
     "dependencies": {
         "@angular/animations": "^14.0.3",
@@ -24,6 +29,7 @@
         "@fortawesome/free-regular-svg-icons": "^6.1.1",
         "@fortawesome/free-solid-svg-icons": "^6.1.1",
         "bootstrap": "^4.6.1",
+        "cors": "^2.8.5",
         "express": "^4.18.1",
         "jquery": "^3.6.0",
         "normalize.css": "^8.0.1",
diff --git a/server.js b/server.js
index feadbfc..32f2236 100644
--- a/server.js
+++ b/server.js
@@ -1,9 +1,11 @@
 const express = require('express');
+var cors = require('cors');
 const path = require('path');
 
 const PKG_NAME = "frontend-hideyoshi.com";
 
 const app = express();
+app.use(cors());
 
 app.use(express.static(`${__dirname}/dist/${PKG_NAME}`));
 
diff --git a/src/app/header/header-popup/signup/signup.component.css b/src/app/header/header-popup/signup/signup.component.css
index c405790..22f2864 100644
--- a/src/app/header/header-popup/signup/signup.component.css
+++ b/src/app/header/header-popup/signup/signup.component.css
@@ -49,7 +49,6 @@
     background-color: #ffffff;
 }
 
-
 .separator-line {
     justify-content: center;
     align-content: center;