RSSHub Mercari (Japan): Route not functioning, probably due to recent website overhaul

Routes

mercari

Full routes

mercari/category/1

What is expected?

A RSS feed

What is actually happening?

RSSHub is unable to generate a RSS feed with the following message:

Route requested: /mercari/category/1

Error message: Response code 404 (Not Found): target website might be blocking our access, you can host your own RSSHub instance for a better usability.

Helpful Information to provide when opening issue: 
Path: /mercari/category/1
Node version: v16.3.0

Deployment information

RSSHub demo (https://rsshub.app)

Deployment information (for self-hosted)

No response

Additional info

Mercari Japan has recently overhauled their website, so I believe that this is the reason.

If I manually go to Mercari in a web browser and inspect the page source, I cannot find items-box-name (Reference: Line 30 here).

Apparently the page has changed so much that it broke the RSSHub route.

CC @nczitzk (Author of Mercari (Japan) route)

Note: Mercari has two sites, one is US and another one is JP. This issue is referring to the JP site, and from RSSHub source code, the route is also designed for JP site. Previously JP site uses https://www.mercari.com/jp/, but now it uses https://jp.mercari.com/. I believe that it would be a great idea to clarify this in the RSSHub documentation, so that users will know that this route is for the JP site.

This is not a duplicated issue

[X] I have searched existing issues to ensure this bug has not already been reported

Jan 01 '22 13:01 ghost

👍 感谢提交该 Issue，请确保仔细阅读 Issue 模板，RSS 提案模板或 Feature 提案模板以便于测试。不符合模板将导致 Issue 被直接关闭。

👍 Thanks for the issue, please follow the Issue template, RSS proposal template or Feature proposal template. Otherwise the issue will be closed.