1. Texts ("ランナーモード/Runner/コーチモード/Coach") should be placed on the center
of the button.

2. 3. Set the default label as shown.

4. Make the OK button bigger.

5. Put ID together with name. And change the background color to white.

6. 7. Replace the content when the pairing is done.

8. ストライド歩幅　→　ストライド（歩幅）

9. 総ステッポ数　→　総ステップ数　（fix the email title string too）

10. s → 秒

11. Put border lines between the elements.

12. The label on the 1st graph should be "加速度ログ". This is a mistake of
the pdf. Sorry.

13. Remove "軸" on the graph legend and change "Pw" to "P".

14. The 2nd graph label: "ピッチ ログ".

15. Put some margin at the bottom of the page.

16. 測定開始　→　測定終了　(In both mode. When the running finished)

17. Revise the error message.

18. Reflect the layout.

19. Make timer font a little bigger. (if possible, x1.5 bigger)

20. 21. Make the white border wider like "スタンバイ" button.

22. Change the text.

23. Put some margin at the bottom of the page.

24. Underline color

25. Main button centered text