on connect:
    if {mente} is true:
        if player is not op:
            kick the player due to "現在ログインできません"
            broadcast "&6&l[&a&lメンテナンス&6&l] &b%player%&eさんが接続しようとしました。"

command /mt [<text>]:
    permission: skript.admin
    trigger:
        if arg-1 is "true":
            set {mente} to true
            broadcast "&6&l[&a&lメンテナンス&6&l] &e接続&c「不可能」"
        if arg-1 is "false":
            set {mente} to false
            broadcast "&6&l[&a&lメンテナンス&6&l] &e接続&a「可能」"