@charset "UTF-8";

.list .l-headerLogo{
  opacity: 0;
  pointer-events: none;
}
.list .l-headerLogo.w{
  opacity: 1;
  pointer-events: inherit;
}
.list .l-headerLogo::after{
  color: #fff;
}

main.l-main{
  padding: 120px 0 10px;
  background-color: #C3DCE1;
}
.detail main.l-main{
  padding: 70px 0;
}
@media(max-width: 768px) {
  main.l-main{
    padding: 60px 0 10px;
  }
  .detail main.l-main{
    padding: 40px 0;
  }
}

.mv{
  position: relative;
}
.mv .tit{
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  width: 100%;
  text-align: center;
  font-size: clamp(1rem, 1.4vw, 1.7rem);
  color: #fff;
  z-index: 1;
}
.mv .tit strong{
  display: block;
  font-size: clamp(2.8rem, 6vw, 8rem);
  line-height: 1;
  margin: 0 auto 15px;
}
.detail .mv .tit{
  position: relative;
  top: inherit;
  left: inherit;
  transform: none;
  width: 100%;
  padding: 160px 0 0;
  background-color: #F7F5F1;
  color: #4E6D6B;
}
@media(max-width: 768px) {
  .mv .tit strong{
    margin: 0 auto 5px;
  }
  .detail .mv .tit{
    padding: 90px 0 0;
  }
}

.nav{
  max-width: 1120px;
  width: 90%;
  margin: 0 auto 100px;
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #C3DCE1;
  padding: 15px 0;
}
.nav li{
  width: calc(100% / 5 - 8px);
  margin: 0 10px 10px 0;
  display: flex;
}
.nav li:nth-child(5n){
  margin-right: 0;
}
.nav li a{
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #374d4b;
  background-color: #fff;
  font-size: clamp(1.3rem, 1.5vw, 1.6rem);
  line-height: 1.1;
  padding: 10px 5px;
  background-color: #aacdd4;
  transition: .3s;
  width: 100%;
  border-radius: 5px;
}
.nav li a.act,
.nav li a:hover{
  color: #fff;
  background-color: #374d4b;
}
@media(max-width: 768px) {
  .nav{
    margin: 0 auto 50px;
    padding: 10px 0 5px;
  }
  .nav li{
    width: calc(100% / 3 - 4px);
    margin: 0 6px 6px 0;
    display: flex;
  }
  .nav li:nth-child(5n){
    margin-right: 6px;
  }
  .nav li:nth-child(3n){
    margin-right: 0;
  }
}

.sec{
  max-width: 1120px;
  width: 90%;
  margin: -150px auto 100px;
  padding-top: 150px;
}
.sec .sec-tit{
  text-align: center;
  color: #357f8b;
  font-size: clamp(1.4rem, 1.6vw, 1.8rem);
  line-height: 1.2;
  margin: 0 0 40px;
}
.sec .sec-tit span{
  display: block;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: solid 1px #357f8b;
  font-size: clamp(2rem, 2.5vw, 3rem);
  letter-spacing: .5rem;
}
@media(max-width: 768px) {
  .sec{
    margin: -150px auto 50px;
    padding-top: 150px;
  }
  .sec .sec-tit{
    margin: 0 0 30px;
  }
  .sec .sec-tit span{
    display: block;
    margin-bottom: 5px;
    padding-bottom: 5px;
  }
}

.list{
  padding-bottom: 10px;
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  align-items: flex-start;
}
.list li{
  width: calc(100% / 3 - 30px);
  margin: 0 45px 40px 0;
  position: relative;
}
.list li:nth-child(3n){
  margin-right: 0;
}
.list.contrast2-1 li:nth-child(1),
.list.contrast1-2 li:nth-child(2){
  width: calc(100% / 2 + 167px);
}
.list.contrast1-2 li:nth-child(1){
  width: calc(100% / 3 - 26px);
}
.list.contrast2-1 li:nth-child(2){
  width: calc(100% / 3 - 26px);
}
.list.contrast2-1 li:nth-child(2),
.list.contrast1-2 li:nth-child(2){
  margin-right: 0;
}
.list.contrast1-1{
  justify-content: space-between;
}
.list.contrast1-1 li{
  width: 48%;
  margin: 0 0 40px;
}
.list li .img{
  position: relative;
  margin: 0 0 15px;
  width: 100%;
}
li .img span{
  position: absolute;
  bottom: 5px;
  right: 5px;
  font-size: 1rem;
  color: #000;
}
.img span.out{
  bottom: -15px;
  color: #000;
  right: 0;
}
.list.contrast2-1,
.list.contrast1-2{
  padding: 0;
}
.list .txt1{
  font-size: clamp(1.4rem, 1.7vw, 1.8rem);
  line-height: 1.4;
  margin-bottom: 10px;
  color: #374D4B;
}
.list .txt2{
  font-size: clamp(1.3rem, 1.4vw, 1.5rem);
  line-height: 1.7;
  margin-bottom: 30px;
}
.list .txt2 span{
  display: block;
  margin-top: 5px;
  font-size: clamp(1rem, 1.1vw, 1.1rem);
}
.list .txt2:last-of-type{
  margin-bottom: 0;
}
.column {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: inherit;
}
.column li{
  border: solid 1px #357F8B;
  position: relative;
  margin-bottom: 40px;
}
.column li.w2-3{
  width: calc(100% / 2 + 170px);
}
.column li.w1-3{
  width: calc(100% / 3 - 26px);
}
.column li.w3-3{
  width: 100%;
}
.column li .midashi-box{
  font-size: clamp(1.4rem, 1.7vw, 1.8rem);
  line-height: 1.4;
  background-color: #357F8B;
  color: #fff;
  text-align: center;
  padding: 10px 5px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.column li .midashi-box .midashi{
  display: flex;
  flex-direction: column;
}
.column li .midashi-box span{
  display: block;
  margin-top: 5px;
  font-size: clamp(1rem, 1.1vw, 1.1rem);
}
.column li .inner{
  padding: 30px;
}
.column li .inner.flex{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.column li .inner.flex .flex-box{
  width: 46%;
  position: relative;
}
.column li.w3-3 .inner.flex .flex-box{
  width: 30%;
}
.column li .img{
  margin-bottom: 10px;
}
.column li .txt1{
  font-size: clamp(1.4rem, 1.7vw, 1.8rem);
  line-height: 1.4;
  margin-bottom: 10px;
  color: #374D4B;
}
.column li .txt2{
  font-size: clamp(1.3rem, 1.4vw, 1.5rem);
  line-height: 1.7;
}
.column li .txt2.w100{
  width: 100%;
  margin-top: 20px;
}
.column li .txt2 span{
  display: block;
  margin-top: 5px;
  font-size: clamp(1rem, 1.1vw, 1.1rem);
}
.list .or,
.column .or{
  position: absolute;
  top: 50%;
  right: 0;
  transform: translate(140%,-50%);
  font-size: clamp(1.2rem, 1.3vw, 1.4rem);
  line-height: 1;
  background-color: #357F8B;
  color: #fff;
  text-align: center;
  padding: 5px 5px;
  z-index: 1;
}
.list li.line1 {
  width: 100%;
  margin-right: 0;
}
.list li.flex-box{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  flex-flow: row-reverse;
  align-items: flex-start;
}
.list li.flex-box .img{
  width: 60%;
  margin: 0;
}
.list li.flex-box .txt-box{
  width: 37%;
}
#ecology .list li.flex-box .img{
  width: 25%;
}
#ecology .list li.flex-box .txt-box{
  width: 73%;
}
#ecology .list li.flex-box .txt-box .logo{
  display: block;
  max-width: 350px;
  margin: 20px 0 0 auto;
}
@media(max-width: 768px) {
  .list{
    margin: 0 auto;
    padding-bottom: 10px;
    display: block;
  }
  .list li,
  .list.contrast1-2 li:nth-child(1),
  .list.contrast1-2 li:nth-child(2),
  .list.contrast2-1 li:nth-child(1),
  .list.contrast2-1 li:nth-child(2),
  .list.contrast1-1 li{
    width: 100%;
    margin: 0 0 40px;
  }
  .column {
    display:block;
  }
  .column li.w2-3,
  .column li.w1-3{
      width: 100%;
      margin: 0 0 40px;
  }
  .column li .midashi-box{
    font-size: clamp(1.4rem, 1.7vw, 1.8rem);
    line-height: 1.4;
    background-color: #357F8B;
    color: #fff;
    text-align: center;
    padding: 10px 5px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .column li .midashi-box .midashi{
    display: flex;
    flex-direction: column;
  }
  .column li .midashi-box span{
    display: block;
    margin-top: 5px;
    font-size: clamp(1rem, 1.1vw, 1.1rem);
  }
  .column li .inner{
    padding: 20px;
  }
  .column li .inner.flex{
    display: block;
  }
  .column li .inner.flex .flex-box,
  .column li.w3-3 .inner.flex .flex-box{
    width: 100%;
    margin-bottom: 40px;
  }
  .column li .inner.flex .flex-box:last-of-type{
    margin-bottom: 0;
  }
  .column li .txt2{
    font-size: clamp(1.3rem, 1.4vw, 1.5rem);
    line-height: 1.7;
    margin-top: 10px;
  }
  .list .or,
  .column .or{
    top:inherit;
    right: inherit;
    bottom: 0;
    left: 50%;
    transform: translate(-50%,150%);
  }
  .list li.flex-box{
    display: block;
  }
  .list li.flex-box .img,
  #ecology .list li.flex-box .img{
    width: 100%;
    margin: 0 0 20px;
  }
  .list li.flex-box .txt-box,
  #ecology .list li.flex-box .txt-box{
    width: 100%;
  }
  #ecology .list li.flex-box .txt-box .logo{
    display: none;
  }
}