diff --git a/dictation_server/src/common/test/overrides.ts b/dictation_server/src/common/test/overrides.ts
index 81f8ea4..ec2b531 100644
--- a/dictation_server/src/common/test/overrides.ts
+++ b/dictation_server/src/common/test/overrides.ts
@@ -7,6 +7,8 @@ import { SendGridService } from '../../gateways/sendgrid/sendgrid.service';
 import { User, newUser } from '../../repositories/users/entity/user.entity';
 import { UsersRepositoryService } from '../../repositories/users/users.repository.service';
 import { BlobstorageService } from '../../gateways/blobstorage/blobstorage.service';
+import { AccountsRepositoryService } from '../../repositories/accounts/accounts.repository.service';
+import { Account } from '../../repositories/accounts/entity/account.entity';
 
 // ### ユニットテスト用コード以外では絶対に使用してはいけないダーティな手段を使用しているが、他の箇所では使用しないこと ###
 
@@ -155,6 +157,11 @@ export const overrideBlobstorageService = <TService>(
       accountId: number,
       country: string,
     ) => Promise<void>;
+    deleteContainer?: (
+      context: Context,
+      accountId: number,
+      country: string,
+    ) => Promise<void>;
   },
 ): void => {
   // テストコードでのみ許される強引な方法でprivateメンバ変数の参照を取得
@@ -165,4 +172,47 @@ export const overrideBlobstorageService = <TService>(
       writable: true,
     });
   }
+  if (overrides.deleteContainer) {
+    Object.defineProperty(obj, obj.deleteContainer.name, {
+      value: overrides.deleteContainer,
+      writable: true,
+    });
+  }
+};
+
+/**
+ * accountsRepositoryのモックを作成して、TServiceが依存するサービス(AccountsRepositoryService)の参照を上書きする
+ * ※ serviceに指定するオブジェクトは`accountsRepository: AccountsRepositoryService`メンバ変数を持つ必要がある
+ * @param service 上書きしたいTService
+ * @param overrides accountsRepositoryの各種メソッドのモックが返す値（省略した場合は本物のメソッドが呼ばれる）
+ */
+export const overrideAccountsRepositoryService = <TService>(
+  service: TService,
+  overrides: {
+    createAccount?: (
+      companyName: string,
+      country: string,
+      dealerAccountId: number | undefined,
+      tier: number,
+      adminExternalUserId: string,
+      adminUserRole: string,
+      adminUserAcceptedTermsVersion: string,
+    ) => Promise<{ newAccount: Account; adminUser: User }>;
+    deleteAccount?: (accountId: number, userId: number) => Promise<void>;
+  },
+): void => {
+  // テストコードでのみ許される強引な方法でprivateメンバ変数の参照を取得
+  const obj = (service as any).accountRepository as AccountsRepositoryService;
+  if (overrides.deleteAccount) {
+    Object.defineProperty(obj, obj.deleteAccount.name, {
+      value: overrides.deleteAccount,
+      writable: true,
+    });
+  }
+  if (overrides.createAccount) {
+    Object.defineProperty(obj, obj.createAccount.name, {
+      value: overrides.createAccount,
+      writable: true,
+    });
+  }
 };
diff --git a/dictation_server/src/features/accounts/accounts.service.spec.ts b/dictation_server/src/features/accounts/accounts.service.spec.ts
index 88bb200..e5c0fd2 100644
--- a/dictation_server/src/features/accounts/accounts.service.spec.ts
+++ b/dictation_server/src/features/accounts/accounts.service.spec.ts
@@ -21,19 +21,23 @@ import {
   getUserFromExternalID,
   getAccounts,
   getUsers,
+  getSortCriteria,
   createAccountAndAdminUser,
 } from './test/utility';
 import { DataSource } from 'typeorm';
 import { makeTestingModule } from '../../common/test/modules';
 import { AccountsService } from './accounts.service';
-import { makeContext } from '../../common/log';
+import { Context, makeContext } from '../../common/log';
 import { TIERS } from '../../constants';
 import { License } from '../../repositories/licenses/entity/license.entity';
 import {
+  overrideAccountsRepositoryService,
   overrideAdB2cService,
   overrideBlobstorageService,
   overrideSendgridService,
 } from '../../common/test/overrides';
+import { AdB2cService } from '../../gateways/adb2c/adb2c.service';
+import { BlobstorageService } from '../../gateways/blobstorage/blobstorage.service';
 
 describe('createAccount', () => {
   let source: DataSource = null;
@@ -247,10 +251,10 @@ describe('createAccount', () => {
     expect(users.length).toBe(0);
   });
 
-  it('アカウントを作成がBlobStorageへの通信失敗によって失敗すると500エラーが発生する', async () => {
+  it('アカウントを作成がDBへの通信失敗によって500エラーが発生した場合、リカバリ処理としてADB2Cユーザーを削除され、500エラーが返却される', async () => {
     const module = await makeTestingModule(source);
     const service = module.get<AccountsService>(AccountsService);
-
+    const b2cService = module.get<AdB2cService>(AdB2cService);
     const externalId = 'test_external_id';
     const companyName = 'test_company_name';
     const country = 'US';
@@ -265,6 +269,135 @@ describe('createAccount', () => {
       createUser: async () => {
         return { sub: externalId };
       },
+      deleteUser: jest.fn(),
+    });
+    overrideSendgridService(service, {});
+
+    overrideAccountsRepositoryService(service, {
+      createAccount: async () => {
+        throw new Error();
+      },
+    });
+
+    try {
+      await service.createAccount(
+        makeContext('uuid'),
+        companyName,
+        country,
+        dealerAccountId,
+        email,
+        password,
+        username,
+        role,
+        acceptedTermsVersion,
+      );
+    } catch (e) {
+      if (e instanceof HttpException) {
+        expect(e.getStatus()).toBe(HttpStatus.INTERNAL_SERVER_ERROR);
+        expect(e.getResponse()).toEqual(makeErrorResponse('E009999'));
+      } else {
+        fail();
+      }
+    }
+    // DB内が想定通りになっているか確認
+    // DBのデータ作成で失敗しているので、DB内は空
+    const accounts = await getAccounts(source);
+    expect(accounts.length).toBe(0);
+    const users = await getUsers(source);
+    expect(users.length).toBe(0);
+    const sortCriteria = await getSortCriteria(source);
+    expect(sortCriteria.length).toBe(0);
+    // ADB2Cユーザー削除メソッドが呼ばれているか確認
+    expect(b2cService.deleteUser).toBeCalledWith(
+      externalId,
+      makeContext('uuid'),
+    );
+  });
+  it('アカウントを作成がDBへの通信失敗によって500エラーが発生した場合、リカバリ処理が実行されるが、ADB2Cユーザー削除で失敗した場合、500エラーが返却される', async () => {
+    const module = await makeTestingModule(source);
+    const service = module.get<AccountsService>(AccountsService);
+    const b2cService = module.get<AdB2cService>(AdB2cService);
+    const externalId = 'test_external_id';
+    const companyName = 'test_company_name';
+    const country = 'US';
+    const dealerAccountId = 1;
+    const email = 'dummy@dummy.dummy';
+    const password = 'dummy_password';
+    const username = 'dummy_username';
+    const role = 'none';
+    const acceptedTermsVersion = '1.0.0';
+
+    overrideAdB2cService(service, {
+      createUser: async () => {
+        return { sub: externalId };
+      },
+      deleteUser: jest.fn().mockRejectedValue(new Error()),
+    });
+    overrideSendgridService(service, {});
+
+    overrideAccountsRepositoryService(service, {
+      createAccount: async () => {
+        throw new Error();
+      },
+    });
+
+    try {
+      await service.createAccount(
+        makeContext('uuid'),
+        companyName,
+        country,
+        dealerAccountId,
+        email,
+        password,
+        username,
+        role,
+        acceptedTermsVersion,
+      );
+    } catch (e) {
+      if (e instanceof HttpException) {
+        expect(e.getStatus()).toBe(HttpStatus.INTERNAL_SERVER_ERROR);
+        expect(e.getResponse()).toEqual(makeErrorResponse('E009999'));
+      } else {
+        fail();
+      }
+    }
+    // DB内が想定通りになっているか確認
+    // DBのデータ作成で失敗しているので、DB内は空
+    const accounts = await getAccounts(source);
+    expect(accounts.length).toBe(0);
+    const users = await getUsers(source);
+    expect(users.length).toBe(0);
+    const sortCriteria = await getSortCriteria(source);
+    expect(sortCriteria.length).toBe(0);
+    // ADB2Cユーザー削除メソッドが呼ばれているか確認
+    expect(b2cService.deleteUser).toBeCalledWith(
+      externalId,
+      makeContext('uuid'),
+    );
+  });
+
+  it('アカウントを作成がBlobStorageへの通信失敗によって500エラーが発生した場合、リカバリ処理としてADB2C,DB上のデータが削除され、500エラーが返却される', async () => {
+    const module = await makeTestingModule(source);
+    const service = module.get<AccountsService>(AccountsService);
+    const b2cService = module.get<AdB2cService>(AdB2cService);
+    b2cService.deleteUser = jest.fn(); // リカバリ処理の確認のため、deleteUserをモック化
+    const externalId = 'test_external_id';
+    const companyName = 'test_company_name';
+    const country = 'US';
+    const dealerAccountId = 1;
+    const email = 'dummy@dummy.dummy';
+    const password = 'dummy_password';
+    const username = 'dummy_username';
+    const role = 'none';
+    const acceptedTermsVersion = '1.0.0';
+
+    overrideAdB2cService(service, {
+      createUser: async () => {
+        return { sub: externalId };
+      },
+      deleteUser: async () => {
+        return;
+      },
     });
     overrideSendgridService(service, {});
     overrideBlobstorageService(service, {
@@ -290,9 +423,270 @@ describe('createAccount', () => {
         expect(e.getStatus()).toBe(HttpStatus.INTERNAL_SERVER_ERROR);
         expect(e.getResponse()).toEqual(makeErrorResponse('E009999'));
       } else {
-        expect(true).toBe(false); // ここには来てはいけない
+        fail();
       }
     }
+    // DB内が想定通りになっているか確認
+    // リカバリ処理が走っているため、アカウント・ユーザーは削除されている
+    const accounts = await getAccounts(source);
+    expect(accounts.length).toBe(0);
+    const users = await getUsers(source);
+    expect(users.length).toBe(0);
+    const sortCriteria = await getSortCriteria(source);
+    expect(sortCriteria.length).toBe(0);
+    // ADB2Cユーザー削除メソッドが呼ばれているか確認
+    expect(b2cService.deleteUser).toBeCalledWith(
+      externalId,
+      makeContext('uuid'),
+    );
+  });
+
+  it('アカウントを作成がBlobStorageへの通信失敗によって500エラーが発生した場合、リカバリ処理が実行されるが、そのリカバリ処理に失敗した場合、500エラーが返却される', async () => {
+    const module = await makeTestingModule(source);
+    const service = module.get<AccountsService>(AccountsService);
+    const b2cService = module.get<AdB2cService>(AdB2cService);
+    const externalId = 'test_external_id';
+    const companyName = 'test_company_name';
+    const country = 'US';
+    const dealerAccountId = 1;
+    const email = 'dummy@dummy.dummy';
+    const password = 'dummy_password';
+    const username = 'dummy_username';
+    const role = 'none';
+    const acceptedTermsVersion = '1.0.0';
+
+    overrideAdB2cService(service, {
+      createUser: async () => {
+        return { sub: externalId };
+      },
+      deleteUser: jest.fn().mockRejectedValue(new Error()),
+    });
+    overrideSendgridService(service, {});
+    overrideBlobstorageService(service, {
+      createContainer: async () => {
+        throw new Error();
+      },
+    });
+    overrideAccountsRepositoryService(service, {
+      deleteAccount: async () => {
+        throw new Error();
+      },
+    });
+
+    try {
+      await service.createAccount(
+        makeContext('uuid'),
+        companyName,
+        country,
+        dealerAccountId,
+        email,
+        password,
+        username,
+        role,
+        acceptedTermsVersion,
+      );
+    } catch (e) {
+      if (e instanceof HttpException) {
+        expect(e.getStatus()).toBe(HttpStatus.INTERNAL_SERVER_ERROR);
+        expect(e.getResponse()).toEqual(makeErrorResponse('E009999'));
+      } else {
+        fail();
+      }
+    }
+    // DB内が想定通りになっているか確認
+    // DB上のデータのリカバリ処理に失敗したため、DB上のデータは削除されない
+    const accounts = await getAccounts(source);
+    expect(accounts.length).toBe(1);
+    const users = await getUsers(source);
+    expect(users.length).toBe(1);
+    const sortCriteria = await getSortCriteria(source);
+    expect(sortCriteria.length).toBe(1);
+    // ADB2Cユーザー削除メソッドが呼ばれているか確認
+    expect(b2cService.deleteUser).toBeCalledWith(
+      externalId,
+      makeContext('uuid'),
+    );
+  });
+
+  it('アカウントを作成がSendGridへの通信失敗によって500エラーが発生した場合、リカバリ処理としてADB2C,DB上のデータとBlobストレージのコンテナが削除され、500エラーが返却される', async () => {
+    const module = await makeTestingModule(source);
+    const service = module.get<AccountsService>(AccountsService);
+    const b2cService = module.get<AdB2cService>(AdB2cService);
+    const blobstorageService =
+      module.get<BlobstorageService>(BlobstorageService);
+    const externalId = 'test_external_id';
+    const companyName = 'test_company_name';
+    const country = 'US';
+    const dealerAccountId = 1;
+    const email = 'dummy@dummy.dummy';
+    const password = 'dummy_password';
+    const username = 'dummy_username';
+    const role = 'none';
+    const acceptedTermsVersion = '1.0.0';
+
+    overrideAdB2cService(service, {
+      createUser: async (
+        _context: Context,
+        _email: string,
+        _password: string,
+        _username: string,
+      ) => {
+        // ユーザー作成時に指定したパラメータが正しく渡されていることを確認
+        expect(email).toEqual(_email);
+        expect(username).toEqual(_username);
+
+        return { sub: externalId };
+      },
+      deleteUser: jest.fn(),
+    });
+    overrideSendgridService(service, {
+      sendMail: async () => {
+        throw new Error();
+      },
+      createMailContentFromEmailConfirm: async () => {
+        return {
+          html: 'dummy_html',
+          subject: 'dummy_subject',
+          text: 'dummy_text',
+        };
+      },
+    });
+    overrideBlobstorageService(service, {
+      createContainer: async () => {
+        return;
+      },
+      deleteContainer: jest.fn(),
+    });
+    overrideAccountsRepositoryService(service, {});
+
+    try {
+      await service.createAccount(
+        makeContext('uuid'),
+        companyName,
+        country,
+        dealerAccountId,
+        email,
+        password,
+        username,
+        role,
+        acceptedTermsVersion,
+      );
+    } catch (e) {
+      if (e instanceof HttpException) {
+        expect(e.getStatus()).toBe(HttpStatus.INTERNAL_SERVER_ERROR);
+        expect(e.getResponse()).toEqual(makeErrorResponse('E009999'));
+      } else {
+        fail();
+      }
+    }
+    // DB内が想定通りになっているか確認
+    // リカバリ処理によってADB2C,DB上のデータとBlobストレージのコンテナが削除される
+    const accounts = await getAccounts(source);
+    expect(accounts.length).toBe(0);
+    const users = await getUsers(source);
+    expect(users.length).toBe(0);
+    const sortCriteria = await getSortCriteria(source);
+    expect(sortCriteria.length).toBe(0);
+    // ADB2Cユーザー削除メソッドが呼ばれているか確認
+    expect(b2cService.deleteUser).toBeCalledWith(
+      externalId,
+      makeContext('uuid'),
+    );
+    // Blobストレージのコンテナ削除メソッドが呼ばれているか確認
+    expect(blobstorageService.deleteContainer).toBeCalledWith(
+      makeContext('uuid'),
+      1, //新規作成したアカウントのID
+      country,
+    );
+  });
+
+  it('アカウントを作成がSendGridへの通信失敗によって500エラーが発生した場合、リカバリ処理が実行されるが、そのリカバリ処理に失敗した場合、500エラーが返却される', async () => {
+    const module = await makeTestingModule(source);
+    const service = module.get<AccountsService>(AccountsService);
+    const b2cService = module.get<AdB2cService>(AdB2cService);
+    const blobstorageService =
+      module.get<BlobstorageService>(BlobstorageService);
+    const externalId = 'test_external_id';
+    const companyName = 'test_company_name';
+    const country = 'US';
+    const dealerAccountId = 1;
+    const email = 'dummy@dummy.dummy';
+    const password = 'dummy_password';
+    const username = 'dummy_username';
+    const role = 'none';
+    const acceptedTermsVersion = '1.0.0';
+
+    overrideAdB2cService(service, {
+      createUser: async () => {
+        return { sub: externalId };
+      },
+      deleteUser: jest.fn().mockRejectedValue(new Error()),
+    });
+    overrideSendgridService(service, {
+      sendMail: async () => {
+        throw new Error();
+      },
+      createMailContentFromEmailConfirm: async () => {
+        return {
+          html: 'dummy_html',
+          subject: 'dummy_subject',
+          text: 'dummy_text',
+        };
+      },
+    });
+    overrideBlobstorageService(service, {
+      createContainer: async () => {
+        return;
+      },
+      deleteContainer: jest
+        .fn()
+        .mockRejectedValue(new Error('BlobStorage Error')),
+    });
+    overrideAccountsRepositoryService(service, {
+      deleteAccount: async () => {
+        throw new Error();
+      },
+    });
+
+    try {
+      await service.createAccount(
+        makeContext('uuid'),
+        companyName,
+        country,
+        dealerAccountId,
+        email,
+        password,
+        username,
+        role,
+        acceptedTermsVersion,
+      );
+    } catch (e) {
+      if (e instanceof HttpException) {
+        expect(e.getStatus()).toBe(HttpStatus.INTERNAL_SERVER_ERROR);
+        expect(e.getResponse()).toEqual(makeErrorResponse('E009999'));
+      } else {
+        fail();
+      }
+    }
+    // DB内が想定通りになっているか確認
+    // リカバリ処理によってADB2C,DB上のデータとBlobストレージのコンテナが削除されない
+    const accounts = await getAccounts(source);
+    expect(accounts.length).toBe(1);
+    const users = await getUsers(source);
+    expect(users.length).toBe(1);
+    const sortCriteria = await getSortCriteria(source);
+    expect(sortCriteria.length).toBe(1);
+    // ADB2Cユーザー削除メソッドが呼ばれているか確認
+    expect(b2cService.deleteUser).toBeCalledWith(
+      externalId,
+      makeContext('uuid'),
+    );
+    // Blobストレージのコンテナ削除メソッドが呼ばれているか確認
+    expect(blobstorageService.deleteContainer).toBeCalledWith(
+      makeContext('uuid'),
+      1, //新規作成したアカウントのID
+      country,
+    );
   });
 });
 
diff --git a/dictation_server/src/features/accounts/accounts.service.ts b/dictation_server/src/features/accounts/accounts.service.ts
index 6e76dd5..0246e02 100644
--- a/dictation_server/src/features/accounts/accounts.service.ts
+++ b/dictation_server/src/features/accounts/accounts.service.ts
@@ -190,9 +190,10 @@ export class AccountsService {
       } catch (e) {
         this.logger.error(`error=${e}`);
         this.logger.error('create account failed');
-        this.logger.error(
-          `[NOT IMPLEMENT] [RECOVER] delete account: ${externalUser.sub}`,
-        );
+        //リカバリ処理
+        // idpのユーザーを削除
+        await this.deleteAdB2cUser(externalUser.sub, context);
+
         throw new HttpException(
           makeErrorResponse('E009999'),
           HttpStatus.INTERNAL_SERVER_ERROR,
@@ -209,6 +210,13 @@ export class AccountsService {
       } catch (e) {
         this.logger.error(`error=${e}`);
         this.logger.error('create container failed');
+        //リカバリ処理
+        // idpのユーザーを削除
+        await this.deleteAdB2cUser(externalUser.sub, context);
+
+        // DBのアカウントを削除
+        await this.deleteAccount(account.id, user.id, context);
+
         throw new HttpException(
           makeErrorResponse('E009999'),
           HttpStatus.INTERNAL_SERVER_ERROR,
@@ -238,16 +246,18 @@ export class AccountsService {
           html,
         );
       } catch (e) {
-        console.log(e);
         this.logger.error(`error=${e}`);
-        this.logger.error('create user failed');
-        this.logger.error(
-          `[NOT IMPLEMENT] [RECOVER] delete account: ${account.id}`,
-        );
-        this.logger.error(
-          `[NOT IMPLEMENT] [RECOVER] delete externalUser: ${externalUser.sub}`,
-        );
-        this.logger.error(`[NOT IMPLEMENT] [RECOVER] delete user: ${user.id}`);
+        this.logger.error('send E-mail failed');
+        //リカバリ処理
+        // idpのユーザーを削除
+        await this.deleteAdB2cUser(externalUser.sub, context);
+
+        // DBのアカウントを削除
+        await this.deleteAccount(account.id, user.id, context);
+
+        // Blobコンテナを削除
+        await this.deleteBlobContainer(account.id, country, context);
+
         throw new HttpException(
           makeErrorResponse('E009999'),
           HttpStatus.INTERNAL_SERVER_ERROR,
@@ -268,6 +278,67 @@ export class AccountsService {
     }
   }
 
+  // AdB2cのユーザーを削除
+  // TODO「タスク 2452: リトライ処理を入れる箇所を検討し、実装する」の候補
+  private async deleteAdB2cUser(
+    externalUserId: string,
+    context: Context,
+  ): Promise<void> {
+    try {
+      await this.adB2cService.deleteUser(externalUserId, context);
+      this.logger.log(
+        `[${context.trackingId}] delete externalUser: ${externalUserId}`,
+      );
+    } catch (error) {
+      this.logger.error(`error=${error}`);
+      this.logger.error(
+        `[MANUAL_RECOVERY_REQUIRED] [${context.trackingId}] Failed to delete externalUser: ${externalUserId}`,
+      );
+    }
+  }
+
+  // DBのアカウントを削除
+  private async deleteAccount(
+    accountId: number,
+    userId: number,
+    context: Context,
+  ): Promise<void> {
+    try {
+      await this.accountRepository.deleteAccount(accountId, userId);
+      this.logger.log(
+        `[${context.trackingId}] delete account: ${accountId}, user: ${userId}`,
+      );
+    } catch (error) {
+      this.logger.error(`error=${error}`);
+      this.logger.error(
+        `[MANUAL_RECOVERY_REQUIRED] [${context.trackingId}] Failed to delete account: ${accountId}, user: ${userId}`,
+      );
+    }
+  }
+
+  // Blobコンテナを削除
+  // TODO「タスク 2452: リトライ処理を入れる箇所を検討し、実装する」の候補
+  private async deleteBlobContainer(
+    accountId: number,
+    country: string,
+    context: Context,
+  ): Promise<void> {
+    try {
+      await this.blobStorageService.deleteContainer(
+        context,
+        accountId,
+        country,
+      );
+      this.logger.log(
+        `[${context.trackingId}] delete container: ${accountId}, country: ${country}`,
+      );
+    } catch (error) {
+      this.logger.error(
+        `[MANUAL_RECOVERY_REQUIRED] [${context.trackingId}] Failed to delete container: ${accountId}, country: ${country}`,
+      );
+    }
+  }
+
   /**
    * アクセストークンからアカウント情報を取得する
    * @param token
diff --git a/dictation_server/src/features/accounts/test/utility.ts b/dictation_server/src/features/accounts/test/utility.ts
index 6db288d..42d5027 100644
--- a/dictation_server/src/features/accounts/test/utility.ts
+++ b/dictation_server/src/features/accounts/test/utility.ts
@@ -5,6 +5,7 @@ import {
   License,
   LicenseOrder,
 } from '../../../repositories/licenses/entity/license.entity';
+import { SortCriteria } from '../../../repositories/sort_criteria/entity/sort_criteria.entity';
 
 // TODO: [PBI 2379] 他のUtilityからコピペしてきたもの。後日整理される前提。
 export const createAccountAndAdminUser = async (
@@ -162,6 +163,15 @@ export const getUsers = async (dataSource: DataSource): Promise<User[]> => {
   return await dataSource.getRepository(User).find();
 };
 
+/**
+ * テスト ユーティリティ: すべてのソート条件を取得する
+ * @param dataSource データソース
+ * @returns 該当ソート条件一覧
+ */
+export const getSortCriteria = async (dataSource: DataSource) => {
+  return await dataSource.getRepository(SortCriteria).find();
+};
+
 export const createLicense = async (
   datasource: DataSource,
   accountId: number,
diff --git a/dictation_server/src/repositories/accounts/accounts.repository.service.ts b/dictation_server/src/repositories/accounts/accounts.repository.service.ts
index 95c9f57..e58669a 100644
--- a/dictation_server/src/repositories/accounts/accounts.repository.service.ts
+++ b/dictation_server/src/repositories/accounts/accounts.repository.service.ts
@@ -160,14 +160,14 @@ export class AccountsRepositoryService {
       const accountsRepo = entityManager.getRepository(Account);
       const usersRepo = entityManager.getRepository(User);
       const sortCriteriaRepo = entityManager.getRepository(SortCriteria);
-      // アカウントを削除
-      await accountsRepo.delete({ id: accountId });
-      // プライマリ管理者を削除
-      await usersRepo.delete({ id: userId });
       // ソート条件を削除
       await sortCriteriaRepo.delete({
         user_id: userId,
       });
+      // プライマリ管理者を削除
+      await usersRepo.delete({ id: userId });
+      // アカウントを削除
+      await accountsRepo.delete({ id: accountId });
     });
   }