.contents .organizer_list {
  margin: 40px auto 0;
  width: 600px;
}
@media screen and (max-width: 840px) {
  .contents .organizer_list {
    margin: 6% auto 0;
    width: 89.5%;
  }
}
@media screen and (max-width: 580px) {
  .contents .organizer_list {
    width: auto;
  }
}
.contents .organizer_list > li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
@media screen and (max-width: 580px) {
  .contents .organizer_list > li {
    display: block;
  }
}
.contents .organizer_list > li > h4 {
  background: linear-gradient(transparent 65%, rgba(0, 204, 187, 0.5) 35%);
  display: inline;
  font-weight: 300;
}
.contents .organizer_list > li > h4 {
  font-size: 14px;
}
@media screen and (max-width: 840px) {
  .contents .organizer_list > li > h4 {
    font-size: 12px;
  }
}
@media screen and (max-width: 580px) {
  .contents .organizer_list > li > h4 {
    margin-bottom: 1%;
  }
}
.contents .organizer_list > li .list {
  width: 76%;
}
@media screen and (max-width: 580px) {
  .contents .organizer_list > li .list {
    width: auto;
  }
}
.contents .organizer_list .leader {
  margin-bottom: 18px;
}
@media screen and (max-width: 840px) {
  .contents .organizer_list .leader {
    margin-bottom: 3%;
  }
}
@media screen and (max-width: 580px) {
  .contents .organizer_list .leader {
    margin-bottom: 6%;
  }
}