diff --git a/src/main/java/com/example/demo/app/domain/model/AllocationModel.java b/src/main/java/com/example/demo/app/domain/model/AuthenticationModel.java
similarity index 52%
rename from src/main/java/com/example/demo/app/domain/model/AllocationModel.java
rename to src/main/java/com/example/demo/app/domain/model/AuthenticationModel.java
index 1f6a9c1..ec8db4b 100644
--- a/src/main/java/com/example/demo/app/domain/model/AllocationModel.java
+++ b/src/main/java/com/example/demo/app/domain/model/AuthenticationModel.java
@@ -5,10 +5,6 @@ import lombok.Getter;
 
 @Getter
 @AllArgsConstructor
-public class AllocationModel {
-	
-	private Long categoryId;
-	private Long courseId;
-	private Integer allocationRatio;
-	
+public class AuthenticationModel {
+    private Long userId;
 }
diff --git a/src/main/java/com/example/demo/app/domain/model/CourseModel.java b/src/main/java/com/example/demo/app/domain/model/CourseModel.java
deleted file mode 100644
index e9e8014..0000000
--- a/src/main/java/com/example/demo/app/domain/model/CourseModel.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package com.example.demo.app.domain.model;
-
-import java.util.List;
-
-import com.example.demo.app.infra.entity.CourseEntity;
-
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-
-@Getter
-@AllArgsConstructor
-public class CourseModel {
-	
-	private Long courseId;
-	private String courseName;
-	private String description;
-	
-	public static CourseModel convertFrom(CourseEntity courseEntity) {
-		return new CourseModel(
-				courseEntity.getCourseId(),
-				courseEntity.getCourseName(),
-				courseEntity.getDescription());
-	}
-
-	public static List<CourseModel> convertFrom(List<CourseEntity> courseEntityList) {
-		return courseEntityList.stream().map(CourseModel::convertFrom).toList();
-	}
-}
diff --git a/src/main/java/com/example/demo/app/domain/model/UserModel.java b/src/main/java/com/example/demo/app/domain/model/UserModel.java
index bb34609..1f79b0c 100644
--- a/src/main/java/com/example/demo/app/domain/model/UserModel.java
+++ b/src/main/java/com/example/demo/app/domain/model/UserModel.java
@@ -8,10 +8,9 @@ import lombok.Getter;
 @Getter
 @AllArgsConstructor
 public class UserModel {
-
     private Long userId;
     private String userName;
-    private String emailAddress;
+    private String mailAddress;
     private String password;
     private Integer secretQuestionId;
     private String secretAnswer;
@@ -19,7 +18,7 @@ public class UserModel {
     private Integer saving;
     private Integer annualIncome;
     private Integer monthlyBudget;
-    private Integer goalId;
-    private Integer courseId;
+    private Long goalId;
+    private Long courseId;
     private Integer deleteFlag;
 }
diff --git a/src/main/java/com/example/demo/app/domain/service/AuthenticationService.java b/src/main/java/com/example/demo/app/domain/service/AuthenticationService.java
new file mode 100644
index 0000000..824c752
--- /dev/null
+++ b/src/main/java/com/example/demo/app/domain/service/AuthenticationService.java
@@ -0,0 +1,9 @@
+package com.example.demo.app.domain.service;
+
+import com.example.demo.app.domain.model.AuthenticationModel;
+import com.example.demo.app.presentation.form.AuthenticationForm;
+
+public interface AuthenticationService {
+
+	AuthenticationModel authenticate(AuthenticationForm authenticationForm);
+}
diff --git a/src/main/java/com/example/demo/app/domain/service/PasswordResetService.java b/src/main/java/com/example/demo/app/domain/service/PasswordResetService.java
new file mode 100644
index 0000000..ec1140e
--- /dev/null
+++ b/src/main/java/com/example/demo/app/domain/service/PasswordResetService.java
@@ -0,0 +1,8 @@
+package com.example.demo.app.domain.service;
+
+import com.example.demo.app.presentation.form.PasswordResetForm;
+
+public interface PasswordResetService {
+
+    boolean resetPassword(Long userId, PasswordResetForm passwordResetForm);
+}
diff --git a/src/main/java/com/example/demo/app/domain/service/UserService.java b/src/main/java/com/example/demo/app/domain/service/UserService.java
new file mode 100644
index 0000000..4a7a338
--- /dev/null
+++ b/src/main/java/com/example/demo/app/domain/service/UserService.java
@@ -0,0 +1,8 @@
+package com.example.demo.app.domain.service;
+
+import com.example.demo.app.presentation.form.UserForm;
+
+public interface UserService {
+
+    void register(UserForm userForm);
+}
diff --git a/src/main/java/com/example/demo/app/domain/service/impl/AuthenticationServiceImpl.java b/src/main/java/com/example/demo/app/domain/service/impl/AuthenticationServiceImpl.java
new file mode 100644
index 0000000..89ac9f4
--- /dev/null
+++ b/src/main/java/com/example/demo/app/domain/service/impl/AuthenticationServiceImpl.java
@@ -0,0 +1,42 @@
+package com.example.demo.app.domain.service.impl;
+
+import org.springframework.stereotype.Service;
+
+import com.example.demo.app.domain.model.AuthenticationModel;
+import com.example.demo.app.domain.service.AuthenticationService;
+import com.example.demo.app.infra.entity.UserEntity;
+import com.example.demo.app.infra.repository.UserRepository;
+import com.example.demo.app.presentation.form.AuthenticationForm;
+
+import lombok.RequiredArgsConstructor;
+
+@Service
+@RequiredArgsConstructor
+public class AuthenticationServiceImpl implements AuthenticationService {
+
+    private final UserRepository userRepository;
+
+    @Override
+    public AuthenticationModel authenticate(AuthenticationForm authenticationForm) {
+
+        UserEntity userEntity = userRepository.findByMailAddress(
+                authenticationForm.getMailAddress())
+                .orElse(null);
+
+        if (userEntity == null) {
+            return null;
+        }
+
+        if (!userEntity.getQuestionEntity().getSecretQuestionId()
+                .equals(authenticationForm.getSecretQuestionId())) {
+            return null;
+        }
+
+        if (!userEntity.getSecretQuestionAnswer()
+                .equals(authenticationForm.getSecretAnswer())) {
+            return null;
+        }
+
+        return new AuthenticationModel(userEntity.getUserId());
+    }
+}
diff --git a/src/main/java/com/example/demo/app/domain/service/impl/PasswordResetServiceImpl.java b/src/main/java/com/example/demo/app/domain/service/impl/PasswordResetServiceImpl.java
new file mode 100644
index 0000000..2866cea
--- /dev/null
+++ b/src/main/java/com/example/demo/app/domain/service/impl/PasswordResetServiceImpl.java
@@ -0,0 +1,41 @@
+package com.example.demo.app.domain.service.impl;
+
+import org.springframework.stereotype.Service;
+
+import com.example.demo.app.domain.service.PasswordResetService;
+import com.example.demo.app.infra.entity.UserEntity;
+import com.example.demo.app.infra.repository.UserRepository;
+import com.example.demo.app.presentation.form.PasswordResetForm;
+
+import lombok.RequiredArgsConstructor;
+
+@Service
+@RequiredArgsConstructor
+public class PasswordResetServiceImpl implements PasswordResetService {
+
+    private final UserRepository userRepository;
+
+    @Override
+    public boolean resetPassword(
+            Long userId,
+            PasswordResetForm passwordResetForm) {
+
+        if (!passwordResetForm.getPassword()
+                .equals(passwordResetForm.getPasswordConfirm())) {
+            return false;
+        }
+
+        UserEntity userEntity =
+                userRepository.findById(userId).orElse(null);
+
+        if (userEntity == null) {
+            return false;
+        }
+
+        userEntity.setPassword(passwordResetForm.getPassword());
+
+        userRepository.save(userEntity);
+
+        return true;
+    }
+}
diff --git a/src/main/java/com/example/demo/app/domain/service/impl/UserServiceImpl.java b/src/main/java/com/example/demo/app/domain/service/impl/UserServiceImpl.java
new file mode 100644
index 0000000..a74f42b
--- /dev/null
+++ b/src/main/java/com/example/demo/app/domain/service/impl/UserServiceImpl.java
@@ -0,0 +1,58 @@
+package com.example.demo.app.domain.service.impl;
+
+import org.springframework.stereotype.Service;
+
+import com.example.demo.app.domain.service.UserService;
+import com.example.demo.app.infra.entity.CourseEntity;
+import com.example.demo.app.infra.entity.GoalEntity;
+import com.example.demo.app.infra.entity.QuestionEntity;
+import com.example.demo.app.infra.entity.UserEntity;
+import com.example.demo.app.infra.repository.CourseRepository;
+import com.example.demo.app.infra.repository.GoalRepository;
+import com.example.demo.app.infra.repository.QuestionRepository;
+import com.example.demo.app.infra.repository.UserRepository;
+import com.example.demo.app.presentation.form.UserForm;
+
+import lombok.RequiredArgsConstructor;
+
+@Service
+@RequiredArgsConstructor
+public class UserServiceImpl implements UserService {
+
+    private final UserRepository userRepository;
+    private final QuestionRepository questionRepository;
+    private final GoalRepository goalRepository;
+    private final CourseRepository courseRepository;
+
+    @Override
+    public void register(UserForm userForm) {
+
+        UserEntity userEntity = new UserEntity();
+
+        userEntity.setUserName(userForm.getUserName());
+        userEntity.setMailAddress(userForm.getMailAddress());
+        userEntity.setPassword(userForm.getPassword());
+        userEntity.setSecretQuestionAnswer(userForm.getSecretAnswer());
+        userEntity.setBirthDate(userForm.getBirthDate());
+        userEntity.setSaving(userForm.getSaving());
+        userEntity.setAnnualIncome(userForm.getAnnualIncome());
+        userEntity.setMonthlyBudget(userForm.getMonthlyBudget());
+
+        QuestionEntity questionEntity =
+                questionRepository.findById(userForm.getSecretQuestionId()).orElse(null);
+
+        GoalEntity goalEntity =
+                goalRepository.findById(userForm.getGoalId()).orElse(null);
+
+        CourseEntity courseEntity =
+                courseRepository.findById(userForm.getCourseId()).orElse(null);
+
+        userEntity.setQuestionEntity(questionEntity);
+        userEntity.setGoalEntity(goalEntity);
+        userEntity.setCourseEntity(courseEntity);
+
+        userEntity.setDeleteFlag(0);
+
+        userRepository.save(userEntity);
+    }
+}
diff --git a/src/main/java/com/example/demo/app/infra/entity/AllocationEntity.java b/src/main/java/com/example/demo/app/infra/entity/AllocationEntity.java
index bd15a2c..8a6d1a0 100644
--- a/src/main/java/com/example/demo/app/infra/entity/AllocationEntity.java
+++ b/src/main/java/com/example/demo/app/infra/entity/AllocationEntity.java
@@ -1,26 +1,20 @@
 package com.example.demo.app.infra.entity;
 
-import java.util.List;
-
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.FetchType;
 import jakarta.persistence.Id;
-import jakarta.persistence.IdClass;
 import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
 import jakarta.persistence.OneToOne;
 import jakarta.persistence.Table;
 
-import com.example.demo.app.domain.model.AllocationModel;
-
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
 @Entity
-@IdClass(AllocationId.class)
-@Table(name = "allocation_m")
+@Table(name = "allocation")
 @Data
 @NoArgsConstructor
 @AllArgsConstructor
@@ -38,16 +32,5 @@ public class AllocationEntity {
 	
 	@Column(name = "allocation_ratio", nullable = false)
 	private Integer allocationRatio;
-	
-	
-	public static List<AllocationModel> createAllocationModelList(List<AllocationEntity> allocationEntityList) {
 
-        return allocationEntityList
-                .stream()
-                .map(allocationEntity -> new AllocationModel(
-                        allocationEntity.getCategoryEntity().getCategoryId(),
-                        allocationEntity.getCourseEntity().getCourseId(),
-                        allocationEntity.getAllocationRatio()                        
-                )).toList();
-    }
 }
diff --git a/src/main/java/com/example/demo/app/infra/entity/AllocationId.java b/src/main/java/com/example/demo/app/infra/entity/AllocationId.java
deleted file mode 100644
index 3812864..0000000
--- a/src/main/java/com/example/demo/app/infra/entity/AllocationId.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package com.example.demo.app.infra.entity;
-
-import java.io.Serializable;
-
-import lombok.AllArgsConstructor;
-import lombok.Data;
-import lombok.NoArgsConstructor;
-
-@Data
-@NoArgsConstructor
-@AllArgsConstructor
-public class AllocationId implements Serializable {
-    private Long categoryEntity;
-    
-    private Long courseEntity;
-}
diff --git a/src/main/java/com/example/demo/app/infra/entity/CourseEntity.java b/src/main/java/com/example/demo/app/infra/entity/CourseEntity.java
index 3afec50..995ac6b 100644
--- a/src/main/java/com/example/demo/app/infra/entity/CourseEntity.java
+++ b/src/main/java/com/example/demo/app/infra/entity/CourseEntity.java
@@ -6,19 +6,18 @@ import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
 import jakarta.persistence.OneToMany;
 import jakarta.persistence.OneToOne;
 import jakarta.persistence.Table;
 
-import com.example.demo.app.domain.model.CourseModel;
+import org.springframework.data.annotation.Id;
 
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
 @Entity
-@Table(name = "course_m")
+@Table(name = "course")
 @Data
 @NoArgsConstructor
 @AllArgsConstructor
@@ -40,18 +39,6 @@ public class CourseEntity {
 	 private List<UserEntity> userEntity;
 	 
 	 @OneToOne(mappedBy = "courseEntity")
-	 private AllocationEntity allocationEntity;
-	 
-	 
-	 public static List<CourseModel> createCourseModelList(List<CourseEntity> courseEntityList) {
-
-	        return courseEntityList
-	                .stream()
-	                .map(courseEntity -> new CourseModel(
-	                        courseEntity.getCourseId(),    
-	                        courseEntity.getCourseName(),    
-	                        courseEntity.getDescription() 
-	                )).toList();
-	    }
+	 private List<AllocationEntity> allocationEntity;
 	 
 }
diff --git a/src/main/java/com/example/demo/app/infra/entity/QuestionEntity.java b/src/main/java/com/example/demo/app/infra/entity/QuestionEntity.java
index 1eb3503..a028437 100644
--- a/src/main/java/com/example/demo/app/infra/entity/QuestionEntity.java
+++ b/src/main/java/com/example/demo/app/infra/entity/QuestionEntity.java
@@ -29,7 +29,7 @@ public class QuestionEntity {
 	@Column(name = "question_text", nullable = false)
 	private String questionText;
 
-	@OneToMany(mappedBy = "questionEntity")
+	@OneToMany(mappedBy = "QuestionEntity")
 	private List<UserEntity> userEntity;
 	
 }
diff --git a/src/main/java/com/example/demo/app/infra/repository/AllocationRepository.java b/src/main/java/com/example/demo/app/infra/repository/AllocationRepository.java
index 5dc0ece..838632d 100644
--- a/src/main/java/com/example/demo/app/infra/repository/AllocationRepository.java
+++ b/src/main/java/com/example/demo/app/infra/repository/AllocationRepository.java
@@ -7,7 +7,6 @@ import org.springframework.data.jpa.repository.Query;
 
 import com.example.demo.app.domain.model.CourseInfoModel;
 import com.example.demo.app.infra.entity.AllocationEntity;
-import com.example.demo.app.infra.entity.AllocationId;
 
 public interface AllocationRepository extends JpaRepository<AllocationEntity, AllocationId>{
 	
@@ -28,5 +27,5 @@ public interface AllocationRepository extends JpaRepository<AllocationEntity, Al
 			+ " ORDER BY a.courseEntity.courseId ASC, "
 			+ " a.categoryEntity.categoryId ASC ")
 	List<CourseInfoModel> findAllJoinedAllocation();
-	
+
 }
diff --git a/src/main/java/com/example/demo/app/presentation/controller/AuthenticationController.java b/src/main/java/com/example/demo/app/presentation/controller/AuthenticationController.java
new file mode 100644
index 0000000..5cf8569
--- /dev/null
+++ b/src/main/java/com/example/demo/app/presentation/controller/AuthenticationController.java
@@ -0,0 +1,56 @@
+package com.example.demo.app.presentation.controller;
+
+import jakarta.servlet.http.HttpSession;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+
+import com.example.demo.app.domain.model.AuthenticationModel;
+import com.example.demo.app.domain.service.AuthenticationService;
+import com.example.demo.app.infra.repository.QuestionRepository;
+import com.example.demo.app.presentation.form.AuthenticationForm;
+
+import lombok.RequiredArgsConstructor;
+
+@Controller
+@RequiredArgsConstructor
+public class AuthenticationController {
+
+    private final AuthenticationService authenticationService;
+    private final QuestionRepository questionRepository;
+
+    @GetMapping("/authentication")
+    public String showAuthentication(Model model) {
+
+        model.addAttribute("authenticationForm", new AuthenticationForm());
+        model.addAttribute("questionList", questionRepository.findAll());
+
+        return "authentication";
+    }
+
+    @PostMapping("/authentication")
+    public String authenticate(
+            AuthenticationForm authenticationForm,
+            Model model,
+            HttpSession session) {
+
+    	AuthenticationModel authenticationModel =
+    	        authenticationService.authenticate(authenticationForm);
+
+    	if (authenticationModel == null) {
+    	    model.addAttribute("errorMessage", "認証情報が正しくありません。");
+    	    model.addAttribute("questionList", questionRepository.findAll());
+
+    	    return "authentication";
+    	}
+
+    	session.setAttribute(
+    	        "passwordResetUserId",
+    	        authenticationModel.getUserId());
+
+    	return "password_reset";
+
+    }
+}
diff --git a/src/main/java/com/example/demo/app/presentation/controller/PasswordResetController.java b/src/main/java/com/example/demo/app/presentation/controller/PasswordResetController.java
new file mode 100644
index 0000000..b5fcfba
--- /dev/null
+++ b/src/main/java/com/example/demo/app/presentation/controller/PasswordResetController.java
@@ -0,0 +1,61 @@
+package com.example.demo.app.presentation.controller;
+
+import jakarta.servlet.http.HttpSession;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+
+import com.example.demo.app.domain.service.PasswordResetService;
+import com.example.demo.app.presentation.form.PasswordResetForm;
+
+import lombok.RequiredArgsConstructor;
+
+@Controller
+@RequiredArgsConstructor
+public class PasswordResetController {
+
+    private final PasswordResetService passwordResetService;
+
+    @GetMapping("/password_reset")
+    public String showPasswordReset(Model model) {
+
+        model.addAttribute(
+                "passwordResetForm",
+                new PasswordResetForm());
+
+        return "password_reset";
+    }
+
+    @PostMapping("/password_reset")
+    public String resetPassword(
+            PasswordResetForm passwordResetForm,
+            Model model,
+            HttpSession session) {
+
+        Long userId =
+                (Long) session.getAttribute("passwordResetUserId");
+
+        if (userId == null) {
+            return "redirect:/login";
+        }
+
+        boolean isReset =
+                passwordResetService.resetPassword(
+                        userId,
+                        passwordResetForm);
+
+        if (!isReset) {
+            model.addAttribute(
+                    "errorMessage",
+                    "パスワードが一致していません。");
+
+            return "password_reset";
+        }
+
+        session.removeAttribute("passwordResetUserId");
+
+        return "redirect:/login";
+    }
+}
diff --git a/src/main/java/com/example/demo/app/presentation/controller/UserController.java b/src/main/java/com/example/demo/app/presentation/controller/UserController.java
new file mode 100644
index 0000000..2914032
--- /dev/null
+++ b/src/main/java/com/example/demo/app/presentation/controller/UserController.java
@@ -0,0 +1,35 @@
+package com.example.demo.app.presentation.controller;
+
+import jakarta.servlet.http.HttpSession;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+
+import com.example.demo.app.presentation.form.UserForm;
+
+import lombok.RequiredArgsConstructor;
+
+@Controller
+@RequiredArgsConstructor
+public class UserController {
+	
+	@GetMapping("/user/register")
+	public String showRegister(Model model) {
+		model.addAttribute("userForm", new UserForm());
+		return "user_register";
+	}
+	
+	@PostMapping("/user/register/confirm")
+	public String confirmRegister(
+	        @ModelAttribute UserForm userForm,
+	        HttpSession session) {
+
+	    session.setAttribute("userForm", userForm);
+
+	    return "user_register_confirm";
+	}
+
+}
diff --git a/src/main/java/com/example/demo/app/presentation/form/AuthenticationForm.java b/src/main/java/com/example/demo/app/presentation/form/AuthenticationForm.java
new file mode 100644
index 0000000..2c27a5d
--- /dev/null
+++ b/src/main/java/com/example/demo/app/presentation/form/AuthenticationForm.java
@@ -0,0 +1,14 @@
+package com.example.demo.app.presentation.form;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class AuthenticationForm {
+    private String mailAddress;
+    private Integer secretQuestionId;
+    private String secretAnswer;
+}
diff --git a/src/main/java/com/example/demo/app/presentation/form/CourseForm.java b/src/main/java/com/example/demo/app/presentation/form/CourseForm.java
deleted file mode 100644
index 57ba52e..0000000
--- a/src/main/java/com/example/demo/app/presentation/form/CourseForm.java
+++ /dev/null
@@ -1,33 +0,0 @@
-package com.example.demo.app.presentation.form;
-
-import java.util.List;
-
-import com.example.demo.app.domain.model.CourseModel;
-
-import lombok.AllArgsConstructor;
-import lombok.Data;
-import lombok.NoArgsConstructor;
-
-@Data
-@AllArgsConstructor
-@NoArgsConstructor
-public class CourseForm {
-	
-	private Long courseId;
-	private String courseName;
-	private String description;
-	
-	
-	public static CourseForm convertFrom(CourseModel courseModel) {
-		return new CourseForm(
-				courseModel.getCourseId(), 
-				courseModel.getCourseName(), 
-				courseModel.getDescription()
-				);
-	}
-	
-	public static List<CourseForm> convertFrom(List<CourseModel> courseModelList){
-		return courseModelList.stream().map(CourseForm::convertFrom).toList();
-	}
-	
-}
diff --git a/src/main/java/com/example/demo/app/presentation/form/CourseInfoForm.java b/src/main/java/com/example/demo/app/presentation/form/CourseInfoForm.java
deleted file mode 100644
index addce2f..0000000
--- a/src/main/java/com/example/demo/app/presentation/form/CourseInfoForm.java
+++ /dev/null
@@ -1,44 +0,0 @@
-package com.example.demo.app.presentation.form;
-
-import java.util.List;
-
-import com.example.demo.app.domain.model.CourseInfoModel;
-
-import lombok.AllArgsConstructor;
-import lombok.Data;
-import lombok.NoArgsConstructor;
-
-@Data
-@AllArgsConstructor
-@NoArgsConstructor
-public class CourseInfoForm {
-
-	private Long courseId;
-	
-	private String courseName;
-	
-	private Long categoryId;
-	
-	private String categoryName;
-	
-	private Integer allocationRatio;
-	
-	
-	public static CourseInfoForm convertFrom(CourseInfoModel courseInfoModel ) {
-		return new CourseInfoForm(courseInfoModel.getCategoryId(), courseInfoModel.getCourseName(), courseInfoModel.getCategoryId(), courseInfoModel.getCategoryName(), courseInfoModel.getAllocationRatio());
-	}
-
-	public static List<CourseInfoForm> convertFrom(List<CourseInfoModel> courseInfoModelList ) {
-		return courseInfoModelList.stream().map(CourseInfoForm::convertFrom).toList();
-	}
-	
-	public static CourseInfoModel convertTo(CourseInfoForm courseInfoForm) {
-		return new CourseInfoModel(
-				courseInfoForm.getCourseId(),
-				courseInfoForm.getCourseName(),
-				courseInfoForm.getCategoryId(),
-				courseInfoForm.getCategoryName(),
-				courseInfoForm.getAllocationRatio());
-	}
-	
-}
diff --git a/src/main/java/com/example/demo/app/presentation/form/PasswordResetForm.java b/src/main/java/com/example/demo/app/presentation/form/PasswordResetForm.java
new file mode 100644
index 0000000..3213e1b
--- /dev/null
+++ b/src/main/java/com/example/demo/app/presentation/form/PasswordResetForm.java
@@ -0,0 +1,13 @@
+package com.example.demo.app.presentation.form;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class PasswordResetForm {
+    private String password;
+    private String passwordConfirm;
+}
diff --git a/src/main/java/com/example/demo/app/presentation/form/UserForm.java b/src/main/java/com/example/demo/app/presentation/form/UserForm.java
new file mode 100644
index 0000000..e51f23f
--- /dev/null
+++ b/src/main/java/com/example/demo/app/presentation/form/UserForm.java
@@ -0,0 +1,24 @@
+package com.example.demo.app.presentation.form;
+
+import java.time.LocalDate;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class UserForm {
+    private String userName;
+    private String mailAddress;
+    private String password;
+    private Long secretQuestionId;
+    private String SecretAnswer;
+    private LocalDate birthDate;
+    private Integer saving;
+    private Integer annualIncome;
+    private Integer monthlyBudget;
+    private Long goalId;
+    private Long courseId;
+}
diff --git a/src/main/resources/templates/Authentication.html b/src/main/resources/templates/Authentication.html
new file mode 100644
index 0000000..336b3cc
--- /dev/null
+++ b/src/main/resources/templates/Authentication.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+
+<head>
+	<meta charset="UTF-8">
+	<title>認証</title>
+</head>
+
+<body>
+	<main>
+		<h1>本人認証確認</h1>
+	
+		<form th:action="@{/authentication}" th:object="${authenticationForm}" method="post">
+	
+			<div>
+				<label for="mailAddress">メールアドレス</label>
+				<input type="email" id="mailAddress" th:field="*{mailAddress}">
+			</div>
+	
+			<div>
+				<label for="secretQuestionId">秘密の質問</label>
+				<select id="secretQuestionId" th:field="*{secretQuestionId}">
+	
+					<option value="">選択してください</option>
+	
+					<option th:each="question : ${questionList}" th:value="${question.secretQuestionId}"
+						th:text="${question.questionText}">
+					</option>
+	
+				</select>
+			</div>
+	
+			<div>
+				<label for="secretAnswer">秘密の質問の回答</label>
+				<input type="text" id="secretAnswer" th:field="*{secretAnswer}">
+			</div>
+	
+			<button type="submit">確認</button>
+	
+		</form>
+		
+		<form th:action="@{/login}" method="get">
+			<button type="submit">戻る</button>
+		</form>
+	</main>
+	
+	<script th:if="${errorMessage}" th:inline="javascript">
+	    alert(/*[[${errorMessage}]]*/);
+	</script>
+	
+</body>
+
+</html>
\ No newline at end of file
diff --git a/src/main/resources/templates/password_reset.html b/src/main/resources/templates/password_reset.html
new file mode 100644
index 0000000..522fd4b
--- /dev/null
+++ b/src/main/resources/templates/password_reset.html
@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<html lang="ja"xmlns:th="http://www.thymeleaf.org">
+<head>
+<meta charset="UTF-8">
+<title>パスワード再設定</title>
+</head>
+<body>
+	<header></header>
+	
+	<main>
+		<h1>パスワード再設定</h1>
+		
+		<form th:action="@{/password_reset}" th:obiect="${passwordResteForm"} method="post">
+			<div>
+				<label for="password">新しいパスワード</label>
+				<input type="password"
+				id="password"
+				th:field="*{password}"
+				minlength="8"
+				maxlength="255"
+				required>
+			</div>
+			
+			<div>
+				<label for="passwordConfirm">パスワード確認</label>
+				<input type="password"
+				id="passwordConfirm"
+				th:field="*{passwordConfirm}"
+				minlength="8"
+				maxlength="255"
+				required>
+			</div>
+			
+			<button type="submit">再設定</button>
+		</form>
+		
+		<div th:if="${errorMessage}">
+		    <p th:text="${errorMessage}"></p>
+		</div>
+	</main>
+</body>
+</html>
\ No newline at end of file
diff --git a/src/main/resources/templates/user_register_confirm.html b/src/main/resources/templates/user_register_confirm.html
index aad56dd..2b35041 100644
--- a/src/main/resources/templates/user_register_confirm.html
+++ b/src/main/resources/templates/user_register_confirm.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="ja"xmlns:th="http://www.thymeleaf.org">
 <head>
 <meta charset="UTF-8">
 <title>新規会員登録確認</title>