.twitter-radiko_box {
  display: flex;
  justify-content: center;
}

.radiko-area {
  width: 35%;
  margin-top: 0px;
  margin-left: 30px;
}

@media screen and (max-width: 767px) {
  .twitter-radiko_box {
    flex-wrap: wrap;
  }

  a.radiko-area {
    width: 100%;
    margin: 0;
  }
  .embed-tw.sp {
    width: 100%;
    text-align: center;
  }
}