Right-click the Heading1 style in the styles gallery and choose Modify.The trick is to modify the Heading1 style to make the text hidden. You still need to keep the conventional structure of 1 (level 1, Heading1 style) and 1.1 (level 2, Heading2 style) so that 1.1 progresses to 2.1, 3.1, 4.1 etc. Yes, it’s certainly do-able and it’s a question that’s come up before in various forms.
