diff --git a/app/src/main/java/com/example/citrusclient/views/BookColorDialogFragment.java b/app/src/main/java/com/example/citrusclient/views/BookColorDialogFragment.java
new file mode 100644
index 0000000..e04a4c8
--- /dev/null
+++ b/app/src/main/java/com/example/citrusclient/views/BookColorDialogFragment.java
@@ -0,0 +1,141 @@
+package com.example.citrusclient.views;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.RadioButton;
+import android.widget.RadioGroup;
+import android.widget.Toast;
+
+import com.example.citrusclient.R;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link BookColorDialogFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class BookColorDialogFragment extends Fragment {
+    private RadioGroup radioGroupColors;
+
+    // TODO: Rename parameter arguments, choose names that match
+    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
+    private static final String ARG_PARAM1 = "param1";
+    private static final String ARG_PARAM2 = "param2";
+
+    // TODO: Rename and change types of parameters
+    private String mParam1;
+    private String mParam2;
+
+    public BookColorDialogFragment() {
+        // Required empty public constructor
+    }
+
+    /**
+     * Use this factory method to create a new instance of
+     * this fragment using the provided parameters.
+     *
+     * @param param1 Parameter 1.
+     * @param param2 Parameter 2.
+     * @return A new instance of fragment BookColorDialogFragment.
+     */
+    // TODO: Rename and change types and number of parameters
+    public static BookColorDialogFragment newInstance(String param1, String param2) {
+        BookColorDialogFragment fragment = new BookColorDialogFragment();
+        Bundle args = new Bundle();
+        args.putString(ARG_PARAM1, param1);
+        args.putString(ARG_PARAM2, param2);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            mParam1 = getArguments().getString(ARG_PARAM1);
+            mParam2 = getArguments().getString(ARG_PARAM2);
+        }
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_book_color_dialog, container, false);
+    }
+
+    int selected = 0;
+//    @Override
+
+    @Override
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState); //親クラスである Fragment の onViewCreated() メソッドを呼び出す
+        view.findViewById(R.id.buttonCancel).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                ((MainActivity) getActivity()).showFragment(new CreateBookFragment());
+            }
+        });
+
+        radioGroupColors = view.findViewById(R.id.radioGroupColors);
+        radioGroupColors.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(RadioGroup group, int checkedId) {
+                // ラジオボタンが選択された時の処理
+                RadioButton checkedRadioButton = group.findViewById(checkedId);
+                if (checkedRadioButton != null && checkedRadioButton.isChecked()) {
+                    String selectedColor = checkedRadioButton.getText().toString();
+                    radioGroupColors.findViewById(R.id.radioButtonSprout).setOnClickListener(new View.OnClickListener() { //
+                        @Override
+                        public void onClick(View view) {
+                            ((MainActivity) getActivity()).showFragment(new CreateBookFragment());
+                        }
+                    });
+                    // 選択された色に応じた処理をここに記述する
+                    // 例えば、選択された色をログに出力する
+                    Log.d("ColorSelection", "Selected color: " + selectedColor);
+                }
+            }
+        });
+
+        view.findViewById(R.id.buttonOk).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                ((MainActivity) getActivity()).showFragment(new CreateBookFragment());
+            }
+        });
+
+
+    }
+
+    public Dialog onCreatedDialog(Bundle savedInstanceState){
+        final String[] items = {"citrus","sakura","gray"};
+        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+        return builder.setTitle("色の種類")
+                .setSingleChoiceItems(items, selected, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialogInterface, int which) {
+                        selected = which;
+                    }
+                }
+                )
+                .setPositiveButton("OK", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialogInterface, int i) {
+                        Toast.makeText(getActivity(),String.format("[%s]が選択されました",items[selected]),
+                        Toast.LENGTH_SHORT).show();
+                    }
+                }
+                )
+                .create();
+    }
+}
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