on join:
	clear player's inventory
	format slot 44 of player with gold ingot named "&6友達を誘う&7（右クリック）" to be unstealable
	format slot 40 of player with chest named "&a報酬箱" to be unstealable
	format slot 39 of player with nether star named "&aガジェット" to be unstealable
	format slot 36 of player with compass named "&a報酬箱" to be unstealable