@media screen and (max-width:450px) {
  .A3{
    display: flex;
    flex-direction: column-reverse;
  }
  .upright_I{
    align-items: center;
    margin: auto;
  }
  .A4{
    margin: 0 5%;
    width: 90%;
  }
  .MS_br{
    display: none;
  }
  .item__Date{
    flex: 0 0 75px;
    font-size: 13px;
  }
}
.SmartphoneMenu_li{
  width: 90%;
}
@media screen and (max-width:1024px) {
  .O1::after {
    width: 45vw;
  }
}
@media screen and (max-width:767px) {
  .O1::after {
    width: 68vw;
  }
}