diff --git a/.env.example b/.env.example
index 9ce0fd9..020684a 100644
--- a/.env.example
+++ b/.env.example
@@ -65,4 +65,20 @@ SMS_FOURS_MESSAGE_PASSWORD=null
 
 CUSTOM_HELLOTECHNO_API_HOST="http://localhost"
 
-TMP_FILE_LIFETIME_MIN=60
\ No newline at end of file
+TMP_FILE_LIFETIME_MIN=60
+
+TMP_FILE_LIFETIME_MIN=60
+
+# SLACK関連
+SLACK_NOTIFICATION=false
+# 取得したWebHookURL
+LOG_SLACK_WEBHOOK_URL=
+SLACK_WEBHOOK_URL=
+# 通知を送信するチャンネル
+SLACK_CHANNEL="#general"
+# 通知の送信者名
+SLACK_SENDER_NAME=
+# 通知の送信者アイコン画像のURL
+SLACK_ICON=
+# トークン
+SLACK_BOT_USER_OAUTH_TOKEN=
\ No newline at end of file
diff --git a/app/Http/Controllers/Web/WebController.php b/app/Http/Controllers/Web/WebController.php
index b7575fb..eb456f1 100644
--- a/app/Http/Controllers/Web/WebController.php
+++ b/app/Http/Controllers/Web/WebController.php
@@ -23,6 +23,7 @@ use Illuminate\Support\Facades\Validator;
 use Illuminate\Support\Str;
 use Illuminate\Validation\ValidationException;
 use LogicException;
+use Slack;
 use Symfony\Component\HttpFoundation\BinaryFileResponse;
 use Symfony\Component\HttpKernel\Exception\HttpException;
 
@@ -169,21 +170,27 @@ abstract class WebController extends BaseController
 
             $this->transaction->beginTransaction();
             $ret =  $this->run($request);
+
             $this->transaction->commit();
+            Slack::commit();
             return $ret;
         } catch (GeneralErrorMessageException $e) {
             $this->transaction->rollBack();
+            Slack::commit();
             return $this->failedResponse([], $e->getMessage());
         } catch (AppCommonException $e) {
             $this->transaction->rollBack();
+            Slack::commit();
             logs()->error(sprintf("Appエラー:%s File:%s Line:%d", $e->getMessage(), $e->getFile(), $e->getLine()));
             return $this->failedResponse();
         } catch (ExclusiveException $e) {
             $this->transaction->rollBack();
+            Slack::commit();
             logs()->error(sprintf("排他エラー:%s", $e->getMessage()));
             return $this->exclusiveErrorResponse();
         } catch (LogicException $e) {
             $this->transaction->rollBack();
+            Slack::commit();
             logs()->error([
                 sprintf("実装エラー:%s", $e->getMessage()),
                 get_class($e),
@@ -197,15 +204,18 @@ abstract class WebController extends BaseController
             return $this->failedResponse();
         } catch (ValidationException $e) {
             $this->transaction->rollBack();
+            Slack::commit();
             return $this->validateErrorResponse($e);
         } catch (HttpException $e) {
             $this->transaction->rollBack();
+            Slack::commit();
             if ($e->getStatusCode() === 401) {
                 return $this->unAuthorizedResponse();
             }
             throw e;
         } catch (Exception $e) {
             $this->transaction->rollBack();
+            Slack::commit();
             logs()->error([
                 sprintf("例外エラー:%s", $e->getMessage()),
                 get_class($e),
diff --git a/app/Notifications/SlackNotification.php b/app/Notifications/SlackNotification.php
new file mode 100644
index 0000000..c3cd61c
--- /dev/null
+++ b/app/Notifications/SlackNotification.php
@@ -0,0 +1,76 @@
+<?php
+
+namespace App\Notifications;
+
+use App\Codes\QueueName;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Notifications\Notification;
+use Illuminate\Notifications\Slack\SlackMessage;
+
+class SlackNotification extends Notification implements ShouldQueue
+{
+    use Queueable;
+
+    protected $channel;
+    protected $icon;
+    protected $name;
+    protected $message;
+
+    /**
+     * Create a new notification instance.
+     */
+    public function __construct($message)
+    {
+        // Slackに関数する情報はconfigに定義しておく
+        $this->channel = config('slack.channel');
+        $this->icon = config('slack.icon');
+        $this->name = config('slack.sender_name');
+        $this->message = $message;
+    }
+
+    /**
+     * Get the notification's delivery channels.
+     *
+     * @return array<int, string>
+     */
+    public function via(object $notifiable): array
+    {
+        return ['slack'];
+    }
+
+    /**
+     * Get the array representation of the notification.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(object $notifiable): array
+    {
+        return [
+            //
+        ];
+    }
+
+    /**
+     * Get the Slack representation of the notification.
+     * @param mixed $notifiable
+     * @return SlackMessage
+     */
+    public function toSlack(object $notifiable): SlackMessage
+    {
+        return (new SlackMessage)
+            ->text($this->message);
+    }
+
+    /**
+     * 各通知チャンネルで使用するキューを判断。
+     *
+     * @return array<string, string>
+     */
+    public function viaQueues(): array
+    {
+        return [
+            'slack' => QueueName::JOB->value,
+        ];
+    }
+}
diff --git a/app/Providers/SlackServiceProvider.php b/app/Providers/SlackServiceProvider.php
new file mode 100644
index 0000000..bb16f0f
--- /dev/null
+++ b/app/Providers/SlackServiceProvider.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Providers;
+
+use Illuminate\Support\ServiceProvider;
+
+class SlackServiceProvider extends ServiceProvider
+{
+    /**
+     * Register services.
+     */
+    public function register(): void
+    {
+        //
+    }
+
+    /**
+     * Bootstrap services.
+     */
+    public function boot(): void
+    {
+        //追記
+        $this->app->singleton(
+            'slack',
+            \App\Services\Slack\SlackService::class
+        );
+    }
+}
diff --git a/app/Services/Slack/SlackFacade.php b/app/Services/Slack/SlackFacade.php
new file mode 100644
index 0000000..52dc04e
--- /dev/null
+++ b/app/Services/Slack/SlackFacade.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Services\Slack;
+
+use Illuminate\Support\Facades\Facade;
+
+class SlackFacade extends Facade
+{
+
+    protected static function getFacadeAccessor()
+    {
+        return 'slack';
+    }
+}
diff --git a/app/Services/Slack/SlackService.php b/app/Services/Slack/SlackService.php
new file mode 100644
index 0000000..f306b21
--- /dev/null
+++ b/app/Services/Slack/SlackService.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Services\Slack;
+
+use Illuminate\Notifications\Notifiable;
+use App\Notifications\SlackNotification;
+use Illuminate\Support\Collection;
+
+class SlackService
+{
+    use Notifiable;
+
+    private bool $enable = false;
+
+    /**
+     * @var Collection<int,SlackNotification>
+     */
+    private Collection $messages;
+
+    public function __construct()
+    {
+        $this->messages = new Collection();
+        $this->enable = config('slack.enable', false);
+    }
+
+    public function send($message = null)
+    {
+        if ($this->enable) {
+            $this->messages->push(new SlackNotification($message));
+        }
+    }
+
+    public function hasMessage(): bool
+    {
+        return $this->messages->isNotEmpty();
+    }
+
+    public function commit()
+    {
+        if (!$this->hasMessage()) return;
+
+        foreach ($this->messages as $message) {
+            $this->notify($message);
+            logger('Slack通知登録');
+        }
+        $this->messages->empty();
+    }
+
+    public function routeNotificationForSlack()
+    {
+        return config('slack.channel');
+    }
+}
diff --git a/composer.json b/composer.json
index 4b9de2d..0504eaf 100644
--- a/composer.json
+++ b/composer.json
@@ -11,6 +11,7 @@
         "h4cc/wkhtmltopdf-amd64": "0.12.x",
         "laravel/framework": "^10.0",
         "laravel/sanctum": "^3.2",
+        "laravel/slack-notification-channel": "^3.0",
         "laravel/tinker": "^2.8"
     },
     "require-dev": {
diff --git a/composer.lock b/composer.lock
index 5002687..c1390ef 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "edf71dac141191fd318aa91cb311db2a",
+    "content-hash": "7c99bae7aef925fa5b0dda93da7efa87",
     "packages": [
         {
             "name": "barryvdh/laravel-snappy",
@@ -1507,6 +1507,71 @@
             },
             "time": "2023-01-30T18:31:20+00:00"
         },
+        {
+            "name": "laravel/slack-notification-channel",
+            "version": "v3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/laravel/slack-notification-channel.git",
+                "reference": "20d0f6ae89aed80696e7ff2c667369a4f270c08c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/laravel/slack-notification-channel/zipball/20d0f6ae89aed80696e7ff2c667369a4f270c08c",
+                "reference": "20d0f6ae89aed80696e7ff2c667369a4f270c08c",
+                "shasum": ""
+            },
+            "require": {
+                "guzzlehttp/guzzle": "^7.0",
+                "illuminate/http": "^9.0|^10.0",
+                "illuminate/notifications": "^9.0|^10.0",
+                "illuminate/support": "^9.0|^10.0",
+                "php": "^8.0"
+            },
+            "require-dev": {
+                "mockery/mockery": "^1.0",
+                "orchestra/testbench": "^7.0|^8.0",
+                "phpstan/phpstan": "^1.10",
+                "phpunit/phpunit": "^9.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.x-dev"
+                },
+                "laravel": {
+                    "providers": [
+                        "Illuminate\\Notifications\\SlackChannelServiceProvider"
+                    ]
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Illuminate\\Notifications\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Taylor Otwell",
+                    "email": "taylor@laravel.com"
+                }
+            ],
+            "description": "Slack Notification Channel for laravel.",
+            "keywords": [
+                "laravel",
+                "notifications",
+                "slack"
+            ],
+            "support": {
+                "issues": "https://github.com/laravel/slack-notification-channel/issues",
+                "source": "https://github.com/laravel/slack-notification-channel/tree/v3.0.0"
+            },
+            "time": "2023-07-14T14:58:23+00:00"
+        },
         {
             "name": "laravel/tinker",
             "version": "v2.8.1",
diff --git a/config/app.php b/config/app.php
index d01a11b..10cfbc3 100644
--- a/config/app.php
+++ b/config/app.php
@@ -197,6 +197,9 @@ return [
 
 
         Barryvdh\Snappy\ServiceProvider::class,
+
+        // カスタム追加
+        App\Providers\SlackServiceProvider::class,
     ],
 
     /*
@@ -213,6 +216,9 @@ return [
     'aliases' => Facade::defaultAliases()->merge([
         // 'ExampleClass' => App\Example\ExampleClass::class,
         'SnappyImage' => Barryvdh\Snappy\Facades\SnappyImage::class,
+
+        'Slack' => App\Services\Slack\SlackFacade::class, //追記
+
     ])->toArray(),
 
 ];
diff --git a/config/logging.php b/config/logging.php
index 7a4dafe..c261bd2 100644
--- a/config/logging.php
+++ b/config/logging.php
@@ -58,6 +58,12 @@ return [
             'ignore_exceptions' => false,
         ],
 
+        'app' => [
+            'driver' => 'stack',
+            'channels' => ['web', 'slack'],
+            'ignore_exceptions' => false,
+        ],
+
         'single' => [
             'driver' => 'single',
             'path' => storage_path('logs/laravel.log'),
@@ -78,7 +84,7 @@ return [
             'url' => env('LOG_SLACK_WEBHOOK_URL'),
             'username' => 'Laravel Log',
             'emoji' => ':boom:',
-            'level' => env('LOG_LEVEL', 'critical'),
+            'level' => 'error',
             'replace_placeholders' => true,
         ],
 
diff --git a/config/services.php b/config/services.php
index 0ace530..4f599c7 100644
--- a/config/services.php
+++ b/config/services.php
@@ -31,4 +31,11 @@ return [
         'region' => env('AWS_DEFAULT_REGION', 'us-east-1'),
     ],
 
+    'slack' => [
+        'notifications' => [
+            'bot_user_oauth_token' => env('SLACK_BOT_USER_OAUTH_TOKEN'),
+            'channel' => env('SLACK_CHANNEL'),
+        ],
+    ],
+
 ];
diff --git a/config/slack.php b/config/slack.php
new file mode 100644
index 0000000..9ff6538
--- /dev/null
+++ b/config/slack.php
@@ -0,0 +1,9 @@
+<?php
+
+return [
+    'enable' => (bool)env('SLACK_NOTIFICATION', false),
+    'webhook_url' => env('SLACK_WEBHOOK_URL'),
+    'channel' => env('SLACK_CHANNEL'),
+    'sender_name' => env('SLACK_SENDER_NAME'),
+    'icon' => env('SLACK_ICON'),
+];