@media screen and (max-width: 480px) {
	.tableStyle.table_1 dd:nth-child(1):before {content: "年代";}
    .tableStyle.table_1 dd:nth-child(2):before {content: "作者";}
    .tableStyle.table_1 dd:nth-child(3):before {content: "作品名";}
    .tableStyle.table_1 dd:nth-child(4):before {content: "形式";}
    .tableStyle.table_1 dd:nth-child(5):before {content: "サイズ";}
    .tableStyle.table_1 dd:nth-child(6):before {content: "備考";}
}