on rightclick:
    block is a sign
    line 2 of clicked block is "checkpoint"
    line 3 of clicked block is "[rightclick]"
    set {checkpoint.%player%.%world%} to location of player
    message "&6チェックポイントを設定しました!"
    play "NOTE_PLING" specifically to player with pitch 2 and volume 1
    log "%player% clicked checkpoint sign at %location of player% in %world%" to "ckeckpoint/checkpoint.log"
    if player has permission "skript.admin":
message "&7Location of player"
on rightclick with fire charge:
    cancel event
    if clicked block is sign:
        stop
    if {checkpoint.%player%.%world%} is set:
        teleport player to {checkpoint.%player%.%world%}
    else:
message "&cチェックポイントが設定されていません!"