@charset "utf-8";

header {
  width: 100%;
  height: 10%;
  background-color: #e8b5b5;
  position: fixed;
  z-index: 5;
  box-shadow: 0px -5px 10px rgb(96 73 73);
}

header .header_content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  padding: 0 10%;
  position: relative;
}

header .header_content .ham_btn {
  margin-left: 25px;
  cursor: pointer;
}

header .header_content div:last-child {
  z-index: 5;
}

header a,
header .ham_btn {
  transition: .3s;
}

header a:hover,
header .ham_btn:hover {
  opacity: 0.7;
}


.information_area {
  width: 82%;
  margin: 0 auto;
}

.information_area_header {
  width: 100%;
  height: 50px;
  color: #e8b5b5;
  margin: 20px 0 50px;
  justify-content: space-between;
}

.information_area_header_item {
  width: 22%;
  height: 40px;
  background-color: white;
  font-weight: bold;
  border-radius: 10px;
  cursor: pointer;
  position: relative;
}

.information_area_header_clicked {
  background-color: #e8b5b5;
  color: white;
}

.information_area_header_clicked::after {
  content: "";
  position: absolute;
  top: 90%;
  left: 50%;
  transform: translateX(-50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 10px solid #e8b5b5;
  /* 三角形の色 */
}

.information_area_content {
  width: 100%;
  gap: 3%;
  justify-content: flex-start;
  align-items: flex-start;
  cursor: pointer;
}

.information_area_item {
  flex-direction: column;
  width: 22%;
  height: 290px;
  background-color: white;
  border-radius: 10px;
  padding: 10px;
}

.information_area_item_date {
  font-size: 14px;
}

.information_area_content img {
  width: 100%;
}

.information_area_item_title {
  font-size: 14px;
  margin-top: 5px;
}

.information_area_item_description {
  font-size: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.5;
  max-height: 3em;
}