Sub 罫線_一点鎖線_を引く()
With Range("B2:C3")
.Borders(xlEdgeTop).LineStyle = xlDashDot '上
.Borders(xlEdgeBottom).LineStyle = xlDashDot '下
.Borders(xlEdgeRight).LineStyle = xlDashDot '右
.Borders(xlEdgeLeft).LineStyle = xlDashDot '左
.Borders(xlInsideVertical).LineStyle = xlDashDot '中の縦
.Borders(xlInsideHorizontal).LineStyle = xlDashDot '中の横
End With
End Sub