regist.htm: content update
registion.htm: content update
regist.htm: full name
intro.htm: bold font for activities
h3 margin top 1.2em
intro.htm: content update
intro.htm: typo 'PRG' (RPG)
Revert "intro.htm: bold font for activities"

This reverts commit 55f7d75e27138db8df304a24a03d911e9b82cbe4.
members.htm: name fix

伍億→五億
footer update: links target _blank