diff --git a/.gitignore b/.gitignore
index 2c1c0b6..14ecd7d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,10 +1,3 @@
 *.mp4
 *.csv
 *.png
-__pycache__/
-*.pyc
-*.pyo
-*.pyd
-*.pyw
-*.pyz
-*.pywz
diff --git a/gui_app.py b/gui_app.py
index fe3eec6..075a32a 100644
--- a/gui_app.py
+++ b/gui_app.py
@@ -3,6 +3,7 @@
 import tkinter.filedialog
 import threading
 import time
+import os
 
 from PIL import Image, ImageOps, ImageTk
 
@@ -86,12 +87,12 @@
 
     # 映像ファイルを開く
     def open_movie(self):
-        filename = tk.filedialog.askopenfilename(filetypes=[("mp4", "*.mp4")])
-        if filename == "":  # cancel
+        self.moviefilename = tk.filedialog.askopenfilename(filetypes=[("mp4", "*.mp4")])
+        if self.moviefilename == "":  # cancel
             return
 
         # 映像読み込み(ワーカースレッド）
-        thread = threading.Thread(target=self.lp.load_movie, args=(filename,))
+        thread = threading.Thread(target=self.lp.load_movie, args=(self.moviefilename,))
         thread.start()
         while thread.is_alive():
             self.progressbar.configure(value=len(self.lp.frames) % 100)
@@ -102,7 +103,7 @@
         # self.lp.load_movie(filename)
 
         # 読み込み後の処理
-        self.file_text.config(text=filename)
+        self.file_text.config(text=self.moviefilename)
         self.time_slider.set(0)
         self.time_slider.config(to=self.lp.frame_count - 1)
         self.is_analyzed = False
@@ -113,7 +114,11 @@
 
     # 分析結果を保存
     def on_save(self):
-        self.lp.csv_output("result.csv")
+        fn = os.path.splitext(os.path.basename(self.moviefilename))[0]
+        filename = tk.filedialog.asksaveasfilename(initialfile=fn + "_分析結果.csv", filetypes=[("csv", "*.csv")])
+        if filename == "":  # cancel
+            return
+        self.lp.csv_output(filename)
 
     # スライダー操作イベント
     def on_time_slider_change(self, event):