/* ----------------------------
main css
---------------------------- */
.topArea {
  padding: 100px 0 200px;
}
@media screen and (max-width: 767px) {
  .topArea {
    padding: 15% 0;
  }
}

@media screen and (max-width: 767px) {
  .topArea__inner {
    padding: 0;
  }
}

.topArea__box {
  padding: 0 20px;
  text-align: center;
}

.topArea__img {
  padding-bottom: 30px;
}
@media screen and (max-width: 767px) {
  .topArea__img {
    padding-bottom: 8%;
  }
  .topArea__img img {
    width: 50%;
  }
}

.topArea__titleBox {
  padding-bottom: 50px;
  line-height: 1;
}
@media screen and (max-width: 767px) {
  .topArea__titleBox {
    padding-bottom: 10%;
  }
}

.topArea__title {
  font-size: 50px;
}
@media screen and (max-width: 767px) {
  .topArea__title {
    font-size: 25px;
  }
}

.topArea__title__english {
  font-size: 16px;
}
.topArea__title__english span {
  display: inline-block;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid #fff;
}
@media screen and (max-width: 767px) {
  .topArea__title__english span {
    width: 30%;
    margin-top: 3%;
    padding-top: 0.5%;
  }
}

.topArea__txt {
  padding-bottom: 60px;
  font-size: 16px;
}
@media screen and (max-width: 767px) {
  .topArea__txt {
    padding-bottom: 15%;
    font-size: 14px;
    text-align: left;
  }
}

.mainArea__title {
  padding-bottom: 40px;
  font-size: 18px;
  text-align: center;
}
@media screen and (max-width: 767px) {
  .mainArea__title {
    padding-bottom: 10%;
    font-size: 20px;
  }
}

.mainArea__tab {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  padding-bottom: 70px;
}
@media screen and (max-width: 767px) {
  .mainArea__tab {
    justify-content: left;
    padding-bottom: 10%;
  }
}

.tab__item {
  padding: 0 25px;
  line-height: 1;
  color: #868686;
  cursor: pointer;
  transition: color 0.5s;
}
.tab__item input {
  display: none;
}
.tab__item input:checked + .tab__txt {
  color: #fff;
}
.tab__item:first-child {
  padding-left: 0;
}
.tab__item:last-child {
  padding-right: 0;
}
.tab__item + .tab__item {
  border-left: 1px solid #fff;
}
@media screen and (min-width: 768px) {
  .tab__item:hover {
    color: #fff;
  }
}
@media screen and (max-width: 767px) {
  .tab__item {
    margin-bottom: 20px;
  }
}

.articleArea {
  position: relative;
}

.articleArea__caution {
  display: none;
  margin-bottom: 130px;
  text-align: center;
}
@media screen and (max-width: 767px) {
  .articleArea__caution {
    margin-bottom: 20%;
  }
}

.articleArea__title {
  display: flex;
  align-items: center;
  padding-bottom: 50px;
  font-size: 22px;
  text-align: center;
}
.articleArea__title:before, .articleArea__title:after {
  content: '';
  height: 1px;
  flex-grow: 1;
  background-color: #fff;
}
.articleArea__title:before {
  margin-right: 2rem;
}
.articleArea__title:after {
  margin-left: 2rem;
}
@media screen and (max-width: 767px) {
  .articleArea__title {
    padding: 0 20px 7%;
    font-size: 20px;
  }
  .articleArea__title:before {
    margin-right: 1rem;
  }
  .articleArea__title:after {
    margin-left: 1rem;
  }
}

.articleArea__list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-bottom: 50px;
}
.articleArea__list:after {
  content: '';
  display: block;
  width: 31%;
}
@media screen and (max-width: 767px) {
  .articleArea__list {
    display: block;
    padding-bottom: 15%;
  }
}

.articleArea__item {
  opacity: 0;
  max-width: 360px;
  width: 31%;
  margin-bottom: 130px;
}
@media screen and (max-width: 767px) {
  .articleArea__item {
    max-width: none;
    width: 100%;
    margin-bottom: 20%;
  }
}

.articleArea__imgBox {
  position: relative;
  padding-bottom: 35px;
}
.articleArea__imgBox .articleArea__label {
  display: inline-block;
  position: absolute;
  top: 20px;
  left: 0;
  background-color: #000;
  padding: 0 15px;
}
@media screen and (min-width: 768px) {
  .articleArea__imgBox:hover img {
    transform: scale(1.1);
  }
}
@media screen and (max-width: 767px) {
  .articleArea__imgBox {
    padding-bottom: 5%;
  }
}

.articleArea__info {
  font-size: 14px;
  padding-bottom: 15px;
}
.articleArea__info .cate {
  border: 1px solid #fff;
  margin-left: 20px;
  padding: 3px 15px;
}
@media screen and (max-width: 767px) {
  .articleArea__info {
    padding-bottom: 5%;
  }
}

.articleArea__ttl {
  padding-bottom: 20px;
  font-size: 18px;
  line-height: 1.4;
}
@media screen and (max-width: 767px) {
  .articleArea__ttl {
    padding-bottom: 3%;
    font-size: 16px;
  }
}

.articleArea__txt {
  font-size: 15px;
}

.articleArea__btn {
  margin: 0 auto 30px;
}

.js-filter-fadein {
  opacity: 1;
  transition: opacity 1.8s;
  transition-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}