Bootstrapは
オワコンだと思う？

https://getbootstrap.jp/docs/5.3/assets/img/bootstrap-icons.png
https://minna-systems.co.jp/wp-content/uploads/2025/01/Bootstrap5%E8%A8%AD%E7%BD%AE%E3%82%AC%E3%82%A4%E3%83%89.png
https://netanswer.co.jp/nawp/wp-content/uploads/2018/08/bootstrap_logo.jpg
https://itokoba.com/wp-content/uploads/2022/06/bootstrap-1024x461.png
https://assets.st-note.com/production/uploads/images/78485988/rectangle_large_type_2_79648d36afde59cd83b1e9d8b0772d6c.png
https://i.gzn.jp/img/2020/06/17/bootstrap-5-alpha/00.png
https://onetech.jp/wp-content/uploads/2023/01/what-is-Bootstrap.jpg
https://getbootstrap.jp/docs/5.3/assets/img/bootstrap-themes.png
https://anteku.jp/blog/wp-content/uploads/2020/07/bootstrap.png
https://knowledge.cpi.ad.jp/.assets/thumbnail/b4cover-1200wi.png