.site_24h_history .site_24h_second_box_inner {
  padding: 50px 80px;
  line-height: 1.6;
}
@media only screen and (max-width: 768px) {
  .site_24h_history .site_24h_second_box_inner {
    padding: 45px 40px 50px;
  }
}
@media only screen and (max-width: 600px) {
  .site_24h_history .site_24h_second_box_inner {
    padding: 14.08% 5.633803%;
  }
}

.site_24h_history_list {
  margin-top: 50px;
}
@media only screen and (max-width: 600px) {
  .site_24h_history_list {
    margin-top: 15.87%;
  }
}

.site_24h_history_list_year ~ .site_24h_history_list_year {
  margin-top: 20px;
}
@media only screen and (max-width: 600px) {
  .site_24h_history_list_year ~ .site_24h_history_list_year {
    margin-top: 6.34%;
  }
}

.site_24h_history_list_year_btn {
  position: relative;
  padding: 18px 40px 18px 100px;
  background: #ffea3a;
  border-radius: 10px;
  color: #212020;
  font-weight: 700;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  overflow: hidden;
  z-index: 1;
  transition: opacity 0.1s ease;
}
@media only screen and (max-width: 600px) {
  .site_24h_history_list_year_btn {
    padding: 5.23% 6.66% 5.23% 15.87%;
    font-size: 4.8vw;
  }
}

.isPC .site_24h_history_list_year_btn:hover {
  opacity: 0.6;
}

.site_24h_history_list_year_btn:before {
  position: absolute;
  top: 10px;
  left: -19px;
  display: block;
  width: 100px;
  height: 83px;
  background: url("/24h/assets/images/history/history_btn_bg.png") no-repeat;
  background-size: cover;
  content: "";
}
@media only screen and (max-width: 600px) {
  .site_24h_history_list_year_btn:before {
    top: 33%;
    left: -3.17%;
    width: 13.33vw;
    height: 11.067vw;
    background-position: top left;
  }
}

.site_24h_history_list_year_btn:after {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 18px;
  display: block;
  margin: auto 0;
  width: 13px;
  height: 21px;
  background: url("/24h/assets/images/common/foot_link_arrow.png") no-repeat;
  background-size: cover;
  content: "";
  transition: transform 0.5s ease-in-out;
  transform: rotate(90deg);
  transform-origin: center;
}
@media only screen and (max-width: 600px) {
  .site_24h_history_list_year_btn:after {
    right: 4%;
    width: 1.73vw;
    height: 2.83vw;
  }
}

.site_24h_history_list_year_btn.on:after {
  transform: rotate(-90deg);
}

.site_24h_history_list_year_btn span {
  font-size: 16px;
}
@media only screen and (max-width: 600px) {
  .site_24h_history_list_year_btn span {
    font-size: 3.73vw;
  }
}

.site_24h_history_list_year_detail {
  display: none;
}

.site_24h_history_list_year_detail_list {
  padding-bottom: 10px;
}
@media only screen and (max-width: 600px) {
  .site_24h_history_list_year_detail_list {
    padding-bottom: 2.85%;
  }
}

.site_24h_history_list_year_detail_list_item {
  padding: 30px;
  border-bottom: 1px solid #ccc;
}
@media only screen and (max-width: 768px) {
  .site_24h_history_list_year_detail_list_item {
    padding: 30px 15px;
  }
}
@media only screen and (max-width: 600px) {
  .site_24h_history_list_year_detail_list_item {
    padding: 7.93% 0 9.52381% 3.17%;
  }
}

.site_24h_history_list_year_detail_list_item_head {
  color: #2b97e3;
  font-weight: 700;
  font-size: 24px;
  line-height: 1;
  letter-spacing: 1.2px;
}
@media only screen and (max-width: 600px) {
  .site_24h_history_list_year_detail_list_item_head {
    font-size: 4.8vw;
  }
}

.site_24h_history_list_year_detail_list_item_head span {
  margin-left: 14px;
  color: #212020;
  font-weight: 400;
  font-size: 18px;
  letter-spacing: 0.9px;
}
@media only screen and (max-width: 600px) {
  .site_24h_history_list_year_detail_list_item_head span {
    margin-left: 3.17%;
    font-size: 3.73vw;
    font-weight: 500;
  }
}

.site_24h_history_list_year_detail_list_item_title {
  margin-top: 15px;
  color: #212020;
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 1.2px;
}
@media only screen and (max-width: 600px) {
  .site_24h_history_list_year_detail_list_item_title {
    margin-top: 5.55%;
    font-size: 4.8vw;
    letter-spacing: -1px;
  }
}

.site_24h_history_list_year_detail_list_item_onair {
  display: flex;
  flex-wrap: wrap;
}

.site_24h_history_list_year_detail_list_item_onair_btn {
  margin: 14px 10px 0 0;
  padding: 12px 45px 13px;
  display: inline-block;
  min-width: 160px;
  background: #56bbfb;
  border-radius: 20px;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
  text-align: center;
}
@media only screen and (max-width: 600px) {
  .site_24h_history_list_year_detail_list_item_onair_btn {
    margin: 5.93% 3.2% 0 0;
    padding: 3.1% 0;
    width: 46.72%;
    min-width: 46.72%;
    font-size: 3.2vw;
  }
}

.site_24h_history_other {
  display: flex;
  margin-top: 50px;
  justify-content: space-between;
}
@media only screen and (max-width: 600px) {
  .site_24h_history_other {
    display: block;
    margin-top: 15.87%;
  }
}

.site_24h_history_other_btn {
  display: block;
  border-radius: 10px;
  background: #56bbfb;
  width: 48.75%;
  text-align: center;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.9px;
  line-height: 2.13;
  color: #fff;
}
@media only screen and (max-width: 960px) {
  .site_24h_history_other_btn {
    font-size: 16px;
  }
}
@media only screen and (max-width: 768px) {
  .site_24h_history_other_btn {
    font-size: 12px;
  }
}
@media only screen and (max-width: 600px) {
  .site_24h_history_other_btn {
    width: 100%;
    font-size: 4.8vw;
    line-height: 1.6;
  }
}

.site_24h_history_other_btn_inner {
  width: 100%;
  height: 100%;
  min-height: 117px;
  display: table;
  padding: 20px 0;
}
@media only screen and (max-width: 600px) {
  .site_24h_history_other_btn_inner {
    padding: 7% 0;
    min-height: 0;
  }
}

.site_24h_history_other_btn_inner span {
  display: table-cell;
  vertical-align: middle;
  text-decoration: underline;
}

@media only screen and (max-width: 600px) {
  .site_24h_history_other_btn ~ .site_24h_history_other_btn {
    margin-top: 6.34%;
  }
  .site_24h_history_other_btn ~ .site_24h_history_other_btn .site_24h_history_other_btn_inner {
    padding: 11.5% 0;
  }
}