on right click on sign:
	line 1 of clicked block is "&b<<&a--&cCheckPoint&a--&b>>"
	line 2 of clicked block is "%region at player%"
	line 3 of clicked block is "&7block"
	line 4 of clicked block is "&b<<&cRightClick&b>>"
	set {checkpoint.%region at player%.%player%} to location of block
	set {cp.%player%.lastused} to now
	send "&e>>>チェックポイントを設定しました。"
	execute console command "playsound block.note.pling master %player% ~ ~ ~ 1 2 1"
	wait 4 tick
	execute console command "playsound block.note.pling master %player% ~ ~ ~ 1 1 1"
on sign change:
	line 1 is "cp block"
	set line 4 to "&b<<&cRightClick&b>>"
	set line 3 to "&7block"
	set line 2 to "%region at player%"
	set line 1 to "&b<<&a--&cCheckPoint&a--&b>>"
on rightclick with fire charge:
	player's gamemode is adventure
	teleport player to {checkpoint.%region at player%.%player%}