I've managed to fix the problem, but the result isn't that good...
Here is the demo I've wanted to send to support team:
Download link (298.77 KB) I found out, that I can fix most of the problems if I rice "clip_near" to number around "5".
But then I face another problem, like this:
I would like to know how to avoid this... Do I still need to send anything to support team?
BTW, "clip_near" doesn't fix this problem: