.p-qa__column>h2:after{
    display: none;
}

.flex__column {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    align-items: flex-start;
}
@media (max-width: 768px) {
    .flex__column {
        display: block;
    }
}

.l_2column p{
    width: 480px;
    margin-right: 20px;
}
.l_2column .img{
    width: 300px;
    height: auto;
    margin-top: 10px;
}
@media (max-width: 914px) {
    .l_2column p{
        width: 100%;
        margin: 0 0 20px ;
    }
    .l_2column .img{
        width: 60%;
        margin: 0 auto 40px;
    }
}
.l_3column{
    justify-content: flex-start;
    -webkit-box-align: stretch;
	-ms-flex-align: stretch;
	align-items: stretch;
}
.l_3column li{
  width : 33.33333% ; 
  width : -webkit-calc((100% - 20px) / 3) ;
  width : calc((100% - 20px) / 3) ;
  margin-left: 10px;
}
.l_3column li:nth-child(3n+1){
    margin-left: 0;
}
@media (max-width: 768px) {
    .l_3column li{
        width: 100%;
    }
}

.voiceArea li{
    padding: 10px;
    border-radius: 10px;
    border: solid 2px #ddd;
    margin-bottom: 15px;
}

.workArea_item ul{
    padding: 20px;
    border-radius: 10px;
    border: solid 2px #ddd;
    margin-bottom: 20px;
}
@media (max-width: 768px) {
    .workArea_item li:not(:last-child){
        margin-bottom: 20px;
    }
    .l_3column li{
        margin-left: 0px;
      }
    .flex{
        display: block;
    }
    .flex div{
        margin-top: 20px;
    }
    
}