/*** ダスキンなら4週間ごとに定期交換 ***/
.flex {
  display: flex;
}
.flex-wrap {
  flex-wrap: wrap;
}
.flex-jcsb {
  justify-content: space-between;
}
.feature_exchange {
  width: 978px;
  margin: 0 auto;
  padding: 36px 50px 38px;
  border-radius: 5px;
  background: #f4f2ff;
}
.feature_exchange h3 {
  font-size: 24px;
  font-weight: bold;
  color: #6f6280;
}
.feature_exchange .lrbox {
  margin: 20px 0 0;
}
.feature_exchange .txtbox {
  width: 495px;
}
.feature_exchange .txtbox p {
  font-size: 16px;
}
.feature_exchange .phtbox {
  width: 364px;
}
.feature_exchange .graph {
  margin: 50px 0 0;
}
.feature_exchange .graph img {
  width: 467px;
}
@media screen and (max-width: 750px) {
  .feature_exchange {
    width: 100%;
    margin: 25px 0 0;
    padding: 20px 4.3%;
  }
  .feature_exchange h3 {
    font-size: 16px;
  }
  .feature_exchange .lrbox {
    margin: 10px 0 0;
  }
  .feature_exchange .txtbox {
    width: 100%;
  }
  .feature_exchange .txtbox p {
    font-size: 14px;
  }
  .feature_exchange .phtbox {
    width: 100%;
    margin: 20px 0 0;
  }
  .feature_exchange .graph {
    margin: 15px 0 0;
  }
  .feature_exchange .graph img {
  width: 100%;
}
}