American-style casual pants with a built-in "highlight" effect on the upper body

https://lorvell.com/en/blogs/%E9%A6%AC%E7%99%BB%E9%80%B1%E6%8E%A8%E8%96%A6/%E4%B8%8A%E8%BA%AB%E8%87%AA%E5%B8%B6-%E9%AB%98%E5%85%89-%E6%95%88%E6%9E%9C%E7%9A%84%E7%BE%8E%E5%BC%8F%E4%BC%91%E9%96%92%E8%A4%B2