@charset "UTF-8";

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

.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;
}
.mv .img span.left{
  right: inherit;
  left: 5px;
}
@media(max-width: 768px) {
  .mv .tit strong{
    margin: 0 auto 5px;
  }
}

#main{
  background-color: #d9e8ec;
  color: #374d4b;
  padding-bottom: 10px;
}

.content_area .head{
  padding: 130px 0;
  color: #357f8b;
}
.content_area .head .midashi{
  font-size: clamp(2rem, 2.8vw, 3.4rem);
  line-height: 1.4;
  margin: 0 0 50px;
  text-align: center;
}
.content_area .head .midashi strong{
  display: block;
  font-size: clamp(4rem, 8vw, 10rem);
}
.content_area .head .txt{
  font-size: clamp(1.4rem, 1.6vw, 1.7rem);
  line-height: 1.8;
  text-align: center;
}
@media(max-width: 768px) {
  .content_area .head{
    padding: 40px 0 30px;
  }
  .content_area .head .midashi{
    margin: 0 0 20px;
  }
  .content_area .head .txt{
    text-align: left;
    width: 90%;
    margin: 0 auto;
  }
}

.content_area .h-midashi{
  font-size: clamp(1.8rem, 2.6vw, 3rem);
  line-height: 1.4;
  margin: 0 0 40px;
  text-align: center;
}
.content_area .h-midashi span{
  font-size: clamp(1.5rem, 2vw, 2.4rem);
  line-height: 1.4;
  margin:0 0 40px;
  display: block;
}
.content_area .h-txt{
  font-size: clamp(1.3rem, 1.4vw, 1.5rem);
  line-height: 2;
  text-align: center;
}
@media(max-width: 768px) {
  .content_area .h-midashi{
    margin: 0 0 20px;
  }
  .content_area .h-midashi span{
    margin:0 0 20px;
  }
  .content_area .h-txt{
    text-align: left;
  }
}
.content_area .architectural{
  max-width: 1120px;
  width: 90%;
  margin: 0 auto;
  padding: 130px 0;
}
.content_area .architectural .img{
  margin: 0 0 60px;
}
@media(max-width: 768px) {
  .content_area .architectural{
    padding: 40px 0;
  }
  .content_area .architectural .img{
    margin: 0 0 30px;
  }
}
.content_area .feature{
  background: url(../images/design/feature-bg.jpg) no-repeat top left;
  padding: 130px 0;
  margin: 0 0 90px;
}
.content_area .feature .inner{
  max-width: 1120px;
  width: 90%;
  margin: 0 auto;
  position: relative;
}
.content_area .feature .img{
  mix-blend-mode: darken;
}
.content_area .feature .txt{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}
@media(max-width: 768px) {
  .content_area .feature{
    background: url(../images/design/feature-bg_sp.jpg) no-repeat top left;
    padding: 40px 0;
    margin: 0 0 40px;
  }
  .content_area .feature .img{
    mix-blend-mode: darken;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    max-width: 500px;
    width: 100%;
  }
  .content_area .feature .txt{
    position: relative;
    top: inherit;
    left: inherit;
    max-width: 500px;
    width: 100%;
    margin: 0 auto;
  }
}

.content_area .sub{
  max-width: 1120px;
  width: 90%;
  margin: 0 auto 90px;
}
.content_area .sub-midashi{
  font-size: clamp(1.8rem, 2.2vw, 2.6rem);
  line-height: 1.4;
  margin: 0 0 25px;
}
.content_area .sub-midashi span{
  font-size: clamp(1.2rem, 1.4vw, 1.6rem);
  line-height: 1.4;
  margin:0 0 15px;
  display: block;
}
.content_area .sub-txt{
  font-size: clamp(1.3rem, 1.4vw, 1.5rem);
  line-height: 2;
}
@media(max-width: 768px) {
  .content_area .sub{
    margin: 0 auto 40px;
  }
  .content_area .sub-midashi{
    margin: 0 0 20px;
  }
  .content_area .sub-midashi span{
    margin:0 0 10px;
  }
  .content_area .sub-txt{
    text-align: left;
  }
}

.content_area .materials{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  flex-flow: row-reverse;
}
.content_area .materials .img{
  width: 40%;
}
.content_area .materials .txt-box{
  width: 57%;
}
@media(max-width: 768px) {
  .content_area .materials{
    display: block;
  }
  .content_area .materials .img{
    width: 100%;
    margin-bottom: 20px;
  }
  .content_area .materials .txt-box{
    width: 100%;
  }
}

.content_area .concept{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
}
.content_area .concept .img-box{
  min-width: 244px;
  width: 244px;
  position: relative;
}
.content_area .concept .img-box .name{
  position: absolute;
  bottom: 0;
  right: 0;
  transform: translateX(109%);
  font-size: clamp(1.8rem, 2.2vw, 2.6rem);
  line-height: 1.4;
  width: 110%;
}
.content_area .concept .img-box .name span{
  display: block;
  font-size: clamp(1.3rem, 1.4vw, 1.5rem);
  margin: 0 0 5px;
}
.content_area .concept .txt-box{
  width: calc(100% - 270px);
  border-top: solid 1px #374d4b;
  border-bottom: solid 1px #374d4b;
  padding: 3px 0;
}
.content_area .concept .txt-box .inner{
  border-top: solid 1px rgba(55,57,75, .2);
  border-bottom: solid 1px rgba(55,57,75, .2);
  padding: 20px 0;
}
@media(max-width: 768px) {
  .content_area .concept{
    display: block;
  }
  .content_area .concept .img-box{
    min-width: auto;
    width: 100%;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    margin: 0 0 20px;
  }
  .content_area .concept .img-box img{
    display: block;
    min-width: 120px;
    width: 120px;
  }
  .content_area .concept .img-box .name{
    position: relative;
    bottom: inherit;
    right: inherit;
    transform: none;
    width: calc(100% - 130px);
  }
  .content_area .concept .txt-box{
    width: 100%;
    padding: 3px 0;
  }
  .content_area .concept .txt-box .inner{
    padding: 10px 0;
  }
}

.content_area .large-img{
  background: linear-gradient(to right,  rgba(57,125,135,1) 0%,rgba(26,78,86,1) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
  color: #fff;
  text-align: center;
  padding-bottom: 1px;
}
.content_area .large-img .img{
  margin: 0 0 70px;
}
.content_area .large-img .h-txt{
  margin: 0 0 120px;
}
@media(max-width: 768px) {
  .content_area .large-img .img{
    margin: 0 0 40px;
  }
  .content_area .large-img .h-txt{
    width: 90%;
    margin: 0 auto 40px;
  }
}

.content_area .landplan{
  max-width: 1120px;
  width: 90%;
  margin: 0 auto;
  padding: 90px 0;
}
.content_area .landplan .ill{
  display: block;
  max-width: 1072px;
  margin: 30px auto;
  pointer-events: none;
  position: relative;
}
.content_area .landplan .ill span{
  position: absolute;
  bottom: 5%;
  right: 13%;
  font-size: clamp(1rem, 1.1vw, 1.2rem);
  color: #000;
}
.content_area .landplan .tit{
  font-size: clamp(1.8rem, 2.2vw, 2.6rem);
  line-height: 1.4;
  padding-bottom: 10px;
  margin-bottom: 30px;
  border-bottom: solid 1px #000;
}
.content_area .landplan .list{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.content_area .landplan .list li{
  width: 47%;
  margin: 0 0 30px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  flex-flow: row-reverse;
  align-items: flex-start;
}
.content_area .landplan .list li .img{
  width: 27%;
}
.content_area .landplan .list li .txt-box{
  width: 70%;
}
.content_area .landplan .list li .txt-box p{
  font-size: clamp(1.2rem, 1.3vw, 1.4rem);
  line-height: 1.8;
}
.content_area .landplan .list li .txt-box .name{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: flex-start;
  margin: 0 0 10px;
}
.content_area .landplan .list li .txt-box .name strong{
  display: block;
  width: 20px;
  height: 20px;
  line-height: 20px;
  background-color: #357f8b;
  color: #fff;
  text-align: center;
}
.content_area .landplan .list li .txt-box .name span{
  display: block;
  width: calc(100% - 30px);
  font-size: clamp(1.5rem, 1.7vw, 2rem);
  line-height: 1.4;
  margin-top: -5px;
}
.content_area .landplan .list li .txt-box .no-num span{
  width: 100%;
}
.content_area .landplan .img span{
  text-shadow: 0 0 4px rgba(0,0,0,.8);
}
.content_area .landplan .img span.bk{
  color: #000;
  text-shadow: inherit;
}
@media(max-width: 768px) {
  .content_area .landplan{
    padding: 40px 0 20px;
  }
  .content_area .landplan .ill{
    margin: 20px auto 40px;
    pointer-events: inherit;
  }
  .content_area .landplan .ill span{
    bottom: 3%;
  }
  .content_area .landplan .tit{
    padding-bottom: 5px;
    margin-bottom: 20px;
  }
  .content_area .landplan .list li{
    width: 48%;
    display: block;
  }
  .content_area .landplan .list li .img{
    width: 100%;
    margin-bottom: 10px;
  }
  .content_area .landplan .list li .txt-box{
    width: 100%;
  }
  .content_area .landplan .list li .txt-box .name{
    margin-bottom: 5px;
  }
  .content_area .landplan .list li .txt-box .name span{
    width: calc(100% - 25px);
    margin-top: -2px;
  }
  .content_area .landplan .list li .txt-box .no-num span{
    width: 100%;
  }
}

.content_area .plan{
  border: solid 1px #374d4b;
  padding: 3px;
}
.content_area .plan .inner{
  border: solid 1px rgba(55,57,75, .2);
  padding: 30px 30px 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: flex-start;
}
.content_area .plan .inner .txt-box{
  width: 50%;
}
.content_area .plan .inner .txt-box .sub-txt{
  font-size: clamp(1.3rem, 1.4vw, 1.4rem);
}
.content_area .plan .list{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  width: 48%;
}
.content_area .plan .list li{
  width: calc(100% / 3 - 5px);
  margin: 0 0 10px;
}
.content_area .plan .list li .txt{
  margin-top: 5px;
  text-align: center;
  font-size: clamp(1rem, 1.1vw, 1.2rem);
  line-height: 1.2;
}
@media(max-width: 768px) {
  .content_area .plan .inner{
    padding: 15px 15px 5px;
  }
  .content_area .plan .inner .txt-box{
    width: 100%;
    margin-bottom: 15px;
  }
  .content_area .plan .list{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    width: 100%;
  }
  .content_area .plan .list li{
    width: calc(100% / 2 - 3px);
    margin: 0 0 10px;
  }
}