How to apply Judgement Line:
1. Locate "xxx" JLINE" in either 430, 450, or 480 HitPos
2. Copy "xxx" JLINE" in the skin folder
3. Rename "xxx JLINE" to mania-stage-bottom
4. Restart and enjoy!

PS: If you find it too early, feel free to adjust it by means
of lowering its position through Photoshop or paint.net!