on right click with stick:
    open chest with 1 rows named "&a&lSkillMenu" to player
    set {_1} to grass of sharpness 1
    wait a tick
    if {minevalue::*} is larger than to 1999:
        if {mineskill.%player%} is set:
            format slot 4 of player with {_a} named "&a一括破壊" to close then run [delete {mineskill.%player%}]
        else:
            format slot 4 of player with {_a} named "&a一括破壊" to close then run [set {mineskill.%player%} to true]
    else:
        format slot 4 of player with bedrock named "&a一括破壊" with lore "&4まだそのSkillは使えません" to close


on mine:
    {mineskill.%player%} is set
    loop blocks in radius 2 of event-block:
        break loop-block naturally with player's tool