Change IREP section padding calculation way.
Change IREP section padding calculation way.

TJ-Hidetaka-Takano/mrubyc,TJ-Hidetaka-Takano/mrubyc,mrubyc/mrubyc,mrubyc/mrubyc,TJ-Hidetaka-Takano/mrubyc,TJ-Hidetaka-Takano/mrubyc