.archive-material {
  width: 100%;
}

.archive-material__heading {
  font-size: 36px;
  line-height: 1.5;
  font-weight: bold;
  text-align: center;
  margin-bottom: 50px;
}

@media screen and (max-width: 767px) {
  .archive-material__heading {
    font-size: 28px;
    padding: 40px 30px 0;
    margin-bottom: 30px;
    text-align: left;
  }
}

.archive-material__heading strong {
  color: #1565C0;
}

@media screen and (max-width: 767px) {
  .archive-material__heading br {
    display: none;
  }
}

.archive-material__pickup {
  margin-bottom: 40px;
}

@media screen and (max-width: 767px) {
  .archive-material__pickup {
    margin-bottom: 20px;
  }
}

.material {
  padding: 40px 0;
}

@media screen and (max-width: 767px) {
  .material {
    padding: 20px 30px;
  }
}

.material__heading {
  position: relative;
  color: #434E5B;
  font-size: 28px;
  font-weight: bold;
  line-height: 1.4;
  padding-bottom: 22px;
  margin-bottom: 40px;
}

@media screen and (max-width: 767px) {
  .material__heading {
    font-size: 24px;
    padding-bottom: 15px;
    margin-bottom: 30px;
  }
}

.material__heading:before {
  content: "";
  position: absolute;
  display: block;
  width: 100%;
  height: 3px;
  bottom: 0;
  background: #F7F7F7;
}

.material__heading:after {
  content: "";
  position: absolute;
  display: block;
  width: 100px;
  height: 3px;
  bottom: 0;
  background: -webkit-gradient(linear, left top, right top, from(#1565C0), to(#03A9F4));
  background: linear-gradient(90deg, #1565C0 0%, #03A9F4 100%);
}

@media screen and (max-width: 767px) {
  .material__heading:after {
    width: 50px;
  }
}

.material__list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: -25px;
}

@media screen and (max-width: 767px) {
  .material__list {
    display: block;
    margin: 0;
  }
}

.material__item {
  width: 33.333%;
  padding: 25px;
}

@media screen and (max-width: 767px) {
  .material__item {
    width: 100%;
    padding: 0;
  }
}

@media screen and (max-width: 767px) {
  .material__item + .material__item {
    margin-top: 30px;
  }
}

.c-material-card--pickup .c-material-card__inner {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: start;
  -ms-flex-align: start;
  align-items: flex-start;
  background-color: #FFFFFF;
  -webkit-box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.15);
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.15);
  border-top: 3px solid #1565C0;
  padding: 40px 80px 40px 40px;
}

@media screen and (max-width: 767px) {
  .c-material-card--pickup .c-material-card__inner {
    display: block;
    padding: 30px 30px 40px;
  }
}

.c-material-card--pickup .c-material-card__thumbnail {
  width: 380px;
}

@media screen and (max-width: 767px) {
  .c-material-card--pickup .c-material-card__thumbnail {
    width: 100%;
  }
}

.c-material-card--pickup .c-material-card__description {
  -webkit-line-clamp: 3;
  max-height: 78px;
}

@media screen and (max-width: 767px) {
  .c-material-card--pickup .c-material-card__description {
    -webkit-line-clamp: 4;
    max-height: 104px;
  }
}

.c-material-card--pickup .c-material-card__body {
  -webkit-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
  padding-left: 40px;
  margin-top: 0;
}

@media screen and (max-width: 767px) {
  .c-material-card--pickup .c-material-card__body {
    margin-top: 20px;
    padding-left: 0;
  }
}

.c-material-card--pickup .c-material-card__title {
  font-size: 22px;
  min-height: 1px;
}

@media screen and (max-width: 767px) {
  .c-material-card--pickup .c-material-card__title {
    font-size: 20px;
  }
}

.c-material-card--pickup .c-material-card__more {
  text-align: left;
  margin-top: 25px;
}

@media screen and (max-width: 767px) {
  .c-material-card--pickup .c-material-card__more {
    text-align: center;
  }
}

.c-material-card__thumbnail {
  background: #E6EAEA;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  -webkit-transition: 200ms;
  transition: 200ms;
  opacity: 1;
}

.c-material-card__thumbnail:hover {
  opacity: 0.8;
}

@media screen and (max-width: 767px) {
  .c-material-card__thumbnail {
    -webkit-transition: none;
    transition: none;
  }
  .c-material-card__thumbnail:hover {
    opacity: 1;
  }
}

.c-material-card__thumbnail img {
  display: block;
  width: 100%;
  height: auto;
}

.c-material-card__body {
  margin-top: 25px;
}

.c-material-card__title {
  font-size: 20px;
  font-weight: bold;
  line-height: 1.5;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  max-height: 3em;
  min-height: 3em;
}

@media screen and (max-width: 767px) {
  .c-material-card__title {
    -webkit-line-clamp: 4;
    max-height: 6em;
    min-height: 1px;
  }
}

.c-material-card__description {
  margin-top: 20px;
  font-size: 14px;
  line-height: 26px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  max-height: 104px;
}

.c-material-card__description br {
  display: none;
}

.c-material-card__more {
  margin-top: 35px;
  text-align: center;
}

@media screen and (max-width: 767px) {
  .c-material-card__more {
    margin-top: 20px;
  }
}

@media screen and (max-width: 767px) {
  .c-material-card__more .c-button.c-button--l {
    width: 100%;
    max-width: 326px;
  }
}