%E5%BB%BA%E7%89%A9%E8%8D%B7%E9%87%8D%E3%80%81%E8%80%90%E9%9C%87%E7%AD%89%E7%B4%9A3%E3%80%81%E8%BB%BD%E3%81%84%E8%A8%AD%E5%AE%9A%E3%80%81%E9%81%A9%E5%88%87%E3%81%AA%E8%A8%AD%E5%AE%9A 建物荷重、耐震等級3、軽い設定、適切な設定