The maximum number of characters that can be entered for the cover and Step Title is 50 full-width characters (100 half-width characters), and the maximum number of characters that can be entered as a description is 200 full-width characters (400 half-width characters).
For all apps, you cannot perform a Release or Approval request if the character limit has been exceeded.
If an error is displayed, please adjust the number of characters.
In the Browser version, if the character limit is exceeded, an error like the one shown in the image will be displayed.
Also, only in the Browser version, you can Save draft even if the character limit has been exceeded.
For details on the Save draft specification, please see here.
▼ What are the maximum values for the various elements that can be registered in Teachme Biz
https://help.teachme.jp/hc/en-us/articles/6436034396441#toc-content-3
▼ Can I edit a Manual that was saved as a Draft in the Browser version exceeding the character limit for Release, using the mobile app as well
https://help.teachme.jp/hc/en-us/articles/35795088098969
Related: About the conditions under which characters are counted
https://help.teachme.jp/hc/en-us/articles/10268480807961