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 "&7player"
	line 4 of clicked block is "&b<<&cRightClick&b>>"
	if player is on ground:
		set {_cooldown} to difference between {cp.%player%.lastused} and now
		if {_cooldown} is less than 1 seconds:
			send "&4>>>&c1秒以上開けてから設定してください。"
			stop
		set {checkpoint.%region at player%.%player%} to location of player
		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"
	else:
		send "&4>>>&c空中で設定することはできません。"
on sign change:
	line 1 is "cp"
	set line 4 to "&b<<&cRightClick&b>>"
	set line 3 to "&7player"
	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%}