To export your document, in novelcrafter:
Click export
Select export prose only
Under Scene Dividers select Headings (Scene 1, Scene 2,…)
Export as markdown (.md)
Then, go to Scrivener:
Select manuscript within the binder
Go to file -> import -> import and split
Select your markdown file
Select split and structure, using your markdown headings
Click import
This will import your file into Scrivener maintaining the chapter and scene structure.
To include acts in your export:
Click export
Select export prose only
Under Scene Dividers select Headings (Scene 1, Scene 2,…)
Select include act titles
Export as markdown (.md)