@charset "utf-8";
/* CSS Document */
.top_container{
  padding: 15px;
  position: relative;
}
.mainvisual{
	width: 100%;
  aspect-ratio: 1;
	border-radius: 20px;
  border: 2px solid var(--main_color);
	overflow: hidden;
}
.mainvisual .img_box{
	width: 100%;
	height: 100%;
	border-radius: 17px;
	overflow: hidden;
}
.mainvisual .img_box img{
	height: 100%;
	width: auto;
}
.top_container h2{
  width: fit-content;
  position: absolute;
  bottom: 15px;
  left: 0;
  right: 0;
  margin: 0 auto;
  background: #fff;
  border: 2px solid;
  border-color: var(--main_color) var(--main_color) #fff var(--main_color);
  font-size: 170%;
  letter-spacing: 3px;
  padding: 7px 20px;
  border-radius: 20px 20px 0 0;
}
.top_container h2::before{
  content: '';
  height: 20px;
  width: 40px;
  position: absolute;
  bottom: -2px;
  left: -40px;
  background: transparent;
  border-radius: 0 0 50% 0 / 0 0 100% 0;
  box-shadow: 20px 0 0 #fff;
  border-right: 2px solid var(--main_color);
  border-bottom: 2px solid var(--main_color);
}
.top_container h2::after{
  content: '';
  height: 20px;
  width: 40px;
  position: absolute;
  bottom: -2px;
  right: -40px;
  background: transparent;
  border-radius: 0 0 0 50% / 0 0 0 100%;
  box-shadow: -20px 0 0 #fff;
  border-left: 2px solid var(--main_color);
  border-bottom: 2px solid var(--main_color);
}
.about{
  margin: 30px auto 120px;
}
.about h3{
  background: #132847;
  color: #fff;
  width: fit-content;
  padding: 10px 40px 10px 20%;
  margin: 0 0 30px 0;
  font-size: 150%;
  letter-spacing: 2px;
  border-radius: 0 10px 10px 0;
}
.about table{
  display: block;
  width: 95%;
  margin: 0 auto;
  border: 1px solid #132847;
  border-radius: 20px;
  overflow: hidden;
}
.about table th,
.about table td{
  display: block;
  width: 100%;
}
.about table th{
  background: var(--back_color);
  text-align: center;
  padding: 4px 0;
  letter-spacing: 2px;
  font-size: 108%;
}
.about table td{
  padding: 10px;
  text-align: center;
  line-height: 1.7;
  letter-spacing: 1px;
}
.history {
  background: var(--back_color);
  padding: 50px 0;
  margin: 0 auto 120px;
  border-radius: 10px 0 0 10px;
  position: relative;
  z-index: 0;
}
.history .decoration01{
  height: 40px;
  width: 40%;
  position: absolute;
  top: -40px;
  right: 0;
  background: var(--back_color);
  border-radius: 10px 0 0 0;
}
.history .decoration01::before{
  content: '';
  height: 10px;
  width: 20px;
  position: absolute;
  top: -10px;
  right: 0;
  background: transparent;
  border-radius: 0 0 50% 0 / 0 0 100% 0;
  box-shadow: 10px 0 0 var(--back_color);
}
.history .decoration01::after{
  content: '';
  height: 10px;
  width: 20px;
  position: absolute;
  bottom: 0px;
  left: -20px;
  background: transparent;
  border-radius: 0 0 50% 0 / 0 0 100% 0;
  box-shadow: 10px 0 0 var(--back_color);
}
.history .decoration02{
  height: 40px;
  width: 60%;
  position: absolute;
  bottom: -40px;
  right: 0;
  background: var(--back_color);
  border-radius: 0 0 0 10px;
}
.history .decoration02::before{
  content: '';
  height: 10px;
  width: 20px;
  position: absolute;
  top: 0;
  left: -20px;
  background: transparent;
  border-radius: 0 50% 0 0 / 0 100% 0 0;
  box-shadow: 10px 0 0 var(--back_color);
}
.history .decoration02::after{
  content: '';
  height: 10px;
  width: 20px;
  position: absolute;
  bottom: -10px;
  right: 0px;
  background: transparent;
  border-radius: 0 50% 0 0 / 0 100% 0 0;
  box-shadow: 10px 0 0 var(--back_color);
}
.history h3{
  background: #fff;
  width: fit-content;
  padding: 10px 40px 10px 20%;
  margin: 0 0 30px 0;
  font-size: 150%;
  letter-spacing: 2px;
  border-radius: 0 10px 10px 0;
}
.history table{
  display: block;
  width: 95%;
  margin: 0 auto;
  border: 1px solid #132847;
  border-radius: 10px;
  overflow: hidden;
}
.history table th,
.history table td{
  display: block;
  text-align: center;
  width: 100%;
  padding: 6px;
  letter-spacing: 1px;
  line-height: 1.7;
}
.history table th{
  background: #d8d9e6;
  color: #fff;
  font-weight: bold;
  letter-spacing: 2px;
}
.history table td{
  background: #fff;
}
.achievement{
  margin: 0 auto 60px;
}
.achievement h3{
  width: fit-content;
  font-size: 150%;
  letter-spacing: 3px;
  background: var(--main_color);
  color: #fff;
  padding: 10px 40px 10px 20%;
  border-radius: 0 10px 10px 0;
  margin: 0 0 30px;
}
.achievement .category{
  margin: 0 auto 30px;
}
.achievement .category .title{
  padding: 0 10px 3px;
  border-bottom: 2px dashed var(--accent_color);
  font-size: 116%;
  letter-spacing: 1px;
  margin: 0 auto 15px 0;
}
.achievement .category .detail{
  padding: 0 10px;
  text-align: justify;
  line-height: 1.7;
}