[WIP] Refactor code style and formatting for improved readability

[Copilot]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original prompt

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This section details on the original issue you should resolve

<issue_title>更なるリファクタリング</issue_title>
<issue_description>CAIO.H、resource.h,DataConverter.h 以外の*.h;*.cpp
・１行の中に複数処理（；）がいないように修正
・不要なコメントやコメントアウトを徹底的に削減
・インデントを空白文字で４へ
・文字エンコードをUTF-8 BOMに
・｛｝カッコの位置を　K&R スタイルに
・四則演算や() カッコに適切なスペースを入れて可読性向上</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes 更なるリファクタリング #3

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