.l-header_onair {
  width: 100%;
  max-width: 1000px;
  display: block;
  position: relative;
  margin: 0 auto;
  padding: 78px 0 0;
  opacity: 0;
  text-align: left;
  color: #4c4c4c;
}
@media only screen and (max-width: 768px) {
  .l-header_onair {
    padding: 33px 0 0;
  }
}
.is-load .l-header_onair {
  opacity: 1;
  transform: translateY(0);
  width: 100%;
  transition: opacity 2s cubic-bezier(0.5, 1, 0.89, 1), transform 1s cubic-bezier(0.5, 1, 0.89, 1), filter 1s cubic-bezier(0.5, 1, 0.89, 1);
  transition-delay: 1.4s;
}
.l-header_onair__header {
  display: block;
  position: relative;
  margin-bottom: 40px;
}
@media only screen and (max-width: 768px) {
  .l-header_onair__header {
    margin-bottom: 36px;
  }
}
.l-header_onair__title {
  display: block;
  position: relative;
  font-size: 28px;
  letter-spacing: 1px;
  text-align: center;
}
@media only screen and (max-width: 768px) {
  .l-header_onair__title {
    font-size: 17px;
  }
}
.l-header_onair__detail_onair {
  display: block;
  position: relative;
}
.l-header_onair__detail_onair + .l-header_onair__detail_onair {
  margin-top: 50px;
}
@media only screen and (max-width: 768px) {
  .l-header_onair__detail_onair + .l-header_onair__detail_onair {
    margin-top: 38px;
  }
}
.l-header_onair__detail_onair-cap {
  padding: 20px;
  color: #4c4c4c;
  background: rgba(76, 76, 76, 0.2);
  font-size: 20px;
  font-weight: 500;
}
@media only screen and (max-width: 768px) {
  .l-header_onair__detail_onair-cap {
    padding: 1.4rem 2rem;
    font-size: 1.5rem;
    line-height: 1.4;
  }
}
.l-header_onair__detail_onair-lead {
  margin: 28px 0 0;
  font-size: 20px;
  line-height: 1.6;
}
@media only screen and (max-width: 768px) {
  .l-header_onair__detail_onair-lead {
    margin-top: 2rem;
    font-size: 1.4rem;
  }
}
.l-header_onair__detail_onair-list {
  margin: 28px 0 0;
}
@media only screen and (max-width: 768px) {
  .l-header_onair__detail_onair-list {
    margin-top: 2.6rem;
  }
}
.l-header_onair__detail_onair-list_item {
  display: flex;
  flex-wrap: wrap;
  position: relative;
  padding: 15px 0;
  font-size: 15px;
  line-height: 1.6;
}
.l-header_onair__detail_onair-list_item::before {
  content: "";
  width: 100%;
  height: 1px;
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
  background: linear-gradient(90deg, rgb(76, 76, 76) 0%, rgb(204, 204, 204) 100%);
}
@media only screen and (max-width: 768px) {
  .l-header_onair__detail_onair-list_item {
    font-size: 1.2rem;
  }
}
.l-header_onair__detail_onair-list_item.--head {
  position: relative;
  padding: 0 0 10px;
  font-weight: 500;
  font-size: 17px;
  line-height: 1;
}
@media only screen and (max-width: 768px) {
  .l-header_onair__detail_onair-list_item.--head {
    font-size: 1.3rem;
  }
}
.l-header_onair__detail_onair-list_item.--head::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
}
.l-header_onair__detail_onair-list_item .name {
  width: 370px;
}
.l-header_onair__detail_onair-list_item .date {
  width: calc(100% - 370px);
}
.l-header_onair__detail_onair-list_item .time .other {
  font-size: 13px;
}
@media only screen and (min-width: 768px) {
  .l-header_onair__detail_onair-list_item.--head .date {
    width: 290px;
  }
  .l-header_onair__detail_onair-list_item.--head .time {
    flex: 1 1 0;
  }
  .l-header_onair__detail_onair-list_item .date {
    display: flex;
  }
  .l-header_onair__detail_onair-list_item .date_in {
    width: 290px;
  }
  .l-header_onair__detail_onair-list_item .time {
    width: calc(100% - 290px);
  }
}
@media only screen and (max-width: 768px) {
  .l-header_onair__detail_onair-list_item .name {
    width: 45%;
  }
  .l-header_onair__detail_onair-list_item .date {
    flex: 1 1 0;
  }
  .l-header_onair__detail_onair-list_item .time .other {
    font-size: 1.1rem;
  }
}