diff --git a/src/Authentication.php b/src/Authentication.php
index dcbdfba..4658e11 100644
--- a/src/Authentication.php
+++ b/src/Authentication.php
@@ -34,16 +34,16 @@ class Authentication extends Configurable
     public const SESSION_KEY = 'authentication';
 
     /** @var string 認証テーブル名 */
-    public static $AUTHORIZE_TABLE_NAME = 'users';
+    public static string $AUTHORIZE_TABLE_NAME = 'users';
 
     /** @var string token生成アルゴリズム */
-    public static $TOKEN_ALGO = 'sha256';
+    public static string $TOKEN_ALGO = 'sha256';
 
     /** @var int ログイン維持時間(秒) */
-    public static $KEEP_SECOND = (60 * 60 * 24);
+    public static int $KEEP_SECOND = (60 * 60 * 24);
 
-    /** @var Protocol 認証タイプインスタンス */
-    public $protocol = null;
+    /** @var Protocol|null 認証タイプインスタンス */
+    public Protocol|null $protocol = null;
 
 
 
@@ -65,8 +65,6 @@ public function loadConfigures(array $configures = []): Configurable
         return $this;
     }
 
-
-
     /**
      * 認証処理
      *
@@ -83,8 +81,6 @@ public function authorize(AuthItem $item): bool
         return $this->protocol->authorize($item);
     }
 
-
-
     /**
      * 認証解除処理
      *
@@ -100,8 +96,6 @@ public function deAuthorize(): bool
         return $this->protocol->deAuthorize();
     }
 
-
-
     /**
      * 認証のチェック
      * 認証できていれば期間の延長
@@ -119,8 +113,6 @@ public function isAuthenticated(AuthItem|null $item = null): bool
         return $this->protocol->isAuthenticated($item);
     }
 
-
-
     /**
      * ログイントークンの生成
      *
@@ -144,14 +136,12 @@ public static function generateToken(string|null $key = null): string
         );
 
         // tokenキー
-        $key = ($key ?? Session::$sessionId);
+        $key ??= Session::$sessionId;
 
         // token生成し返却
         return hash(self::$TOKEN_ALGO, $key);
     }
 
-
-
     /**
      * ログイン維持制限時間の生成
      *
@@ -162,8 +152,6 @@ public static function generateKeepAt(): string
         return Dates::now()->addSecond(self::$KEEP_SECOND)->format('Y-m-d H:i:s');
     }
 
-
-
     /**
      * {@inheritDoc}
      */
@@ -172,8 +160,6 @@ protected function configureKey(): string
         return 'authentication';
     }
 
-
-
     /**
      * {@inheritDoc}
      */
@@ -184,8 +170,6 @@ protected function configureDefaults(): array
         ];
     }
 
-
-
     /**
      * {@inheritDoc}
      */
diff --git a/src/Controller/ApiController.php b/src/Controller/ApiController.php
index 18e55d4..b5dbdbe 100644
--- a/src/Controller/ApiController.php
+++ b/src/Controller/ApiController.php
@@ -38,7 +38,7 @@ class ApiController extends BaseController
     public function run(Router|null $router = null): void
     {
         // ルーター
-        $router = ($router ?? Router::sharedInstance()->factory());
+        $router ??= Router::sharedInstance()->factory();
         $this->router = $router;
 
         try
@@ -64,8 +64,6 @@ public function run(Router|null $router = null): void
             Message::removeAll();
         }
 
-        $response_json = json_encode($response);
-
         // 出力
         echo $response->toJson();
     }
diff --git a/src/Controller/AuthController.php b/src/Controller/AuthController.php
index f39ac9f..c5653e0 100644
--- a/src/Controller/AuthController.php
+++ b/src/Controller/AuthController.php
@@ -50,8 +50,6 @@ public function signin(Request $request): Response
         return AuthResponse::withToken($item->token);
     }
 
-
-
     /**
      * ユーザー情報
      *
@@ -81,7 +79,6 @@ public function user(Request $request): Response
         return AuthResponse::withItem($item);
     }
 
-
     /**
      * 認証チェック
      */
diff --git a/src/Controller/AuthResponse.php b/src/Controller/AuthResponse.php
index 6e7c388..116e974 100644
--- a/src/Controller/AuthResponse.php
+++ b/src/Controller/AuthResponse.php
@@ -22,10 +22,10 @@ class AuthResponse extends Response
     use Binders;
 
     /** @var String 認証用トークン */
-    public $token;
+    public string $token;
 
     /** @var array 認証用アイテム */
-    public $user;
+    public array $user;
 
 
 
@@ -48,8 +48,6 @@ public static function withToken(string $token): self
         return $self;
     }
 
-
-
     /**
      * user返却用レスポンスの生成
      *