@charset "utf-8";

h1, h2, h3, a, p, small, li{
   font-family: "Montserrat","Noto Sans JP", sans-serif;
}

a{
  text-decoration: none;
}

.header{
  display: flex;
  justify-content: space-between;
}

.header-logo{
  margin-top:30px;
  margin-left:5vw;
  width: 260px;
  z-index: 10;
}

.header-logo img{
  width: 100%;
  object-fit: cover;
  vertical-align: bottom;
}

.header .btn-nav {
  position:absolute;/* position: fixed; */
  top: 30px;
  right: calc(4vw + 60px);
  width: 35px;
  height: 24px;
  z-index: 30;
  box-sizing: border-box;
  cursor: pointer;
  -webkit-transition: all 400ms;
  transition: all 400ms;
}

.header .btn-nav span {
  position: absolute;
  width: 100%;
  height: 3px;
  background: #ffffff;
  border-radius: 10px;
  -webkit-transition: all 400ms;
  transition: all 400ms;
}

.header .btn-nav span:nth-child(1) {
  top: 0;
}

.header .btn-nav span:nth-child(2) {
  top: 8px;
}

.header .btn-nav span:nth-child(3) {
  top: 16px;
}

.header .btn-nav.open span:nth-child(1) {
  background: #ffffff;
  top: 6px;
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

.header .btn-nav.open span:nth-child(2),
.header .btn-nav.open span:nth-child(3) {
  top: 6px;
  background: #ffffff;
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  transform: rotate(45deg);
}

.btn-nav {
  display: block;
}

.nav-list{
  list-style-type:none;
  display:flex;
  font-size: 20px;
  font-weight: bold;
}

.site-nav {
  position:absolute;
  display: none;
  top: 0;
  right: -100%;
  width: 40%;
  height: 100%;
  background-color: rgba(22, 22, 22, 0.9);
  font-size: 16px;
  box-sizing: border-box;
  z-index: 28;
  padding-top: 50px;
  transition: .3s;
}

.site-nav.open {
  right: 0;
  display: block;
  transition: 0.3s;
}

.site-nav .nav-list {
  width: 100%;
  height: 100%;
  display: block;
  flex-direction: column;
  text-align: center;
  }

.site-nav .nav-list li {
    padding: 30px 0px 0px 0px;
}

.nav-item a{
  color:white;
}


.menu-bar{
  color: white;
  font-size: 10;
  font-weight: 900;
  margin-top: 30px;
  margin-right: 4vw;
  z-index: 29;
}

.fv{
  height:680px;
  /* background-color: pink; */
}


.fv-img{
  width:70vw;
  height: 640px;
  position: absolute;
  top:0;
  left: 0;
  z-index: 5;
}

.fv-img img{
  width: 100%;
  height: 640px;
  object-fit:cover;

}

.fv-backgroundbox{
  position: absolute;
  top: 0;
  right: 0;
  background-color: black;
  width:50%;
  height:740px;
  z-index: 1;
}

.fv-msg-container{
  color:white;
  position: absolute;
  top:157px;
  right:20vw;
  z-index: 20;
}

.fv-subtitle{
  font-size: 20px;
  font-weight:700;
}

.fv-title{
  font-size: 72px;
  font-weight: bold;
}


.about-wrapper{
  margin: 120px auto 0;
  width:80%;
  height:607px;
  background-image: url("img/about-img@2x.jpg");
  background-size: cover;
  /* background-color: gray; */
  overflow: hidden;
}

.about-content{
  color: black;
  width:55%;
  background-color: white;
  margin-top:110px;
  margin-left:5%;
  padding-left: 30px;
  padding-right: 30px;
  padding-top: 50px;
  padding-bottom: 50px;
}

.about-content h2{
  font-size: 32px;
  font-weight: bold;
  padding-bottom: 30px;
}

.about-content p{
  font-size: 16px;
  padding-bottom:50px;
}

.more-btn{
  color: white;
  background-color: black;
  font-size: 12px;
  font-weight: bold;
  padding:10px 45px;
}

.more-btn:hover{
  opacity:0.6;
}

.about-details{
  background-color: #F0F0F0;
}

.about-detail-wrapper{
  margin: 0 auto;
  display: flex;
  width: 80%;
  justify-content: space-between;
  padding-top: 80px;
  padding-bottom: 60px;
}

.about-detail{
  width: 48%;
}

.about-detail h2{
  padding-bottom: 30px;
  font-size: 32px;
  font-weight: bold;
}

.about-detail img{

  width: 100%;
  justify-content: cover;
  padding-bottom: 15px;
  /* height:350px; */
}

.about-detail p{
  padding-bottom: 28px;
  font-size: 16px;
}

.topics-wrapper{
  width: 80%;
  margin: 0 auto;
  padding-top: 60px;
  padding-bottom: 60px;
}

.topics-wrapper h2{
  font-size: 32px;
  font-weight: bold;
}

.topic-titles{
  padding-top: 29px;
}

.topic {
  width: 60%;
  border-bottom: solid 1px #CECECE;;
  margin: 0 0 29px auto;
}

.topic h3{
  font-size: 10px;
  color:#CECECE;
  font-weight: bold;
}

.topic p{
  font-size: 14px;
  font-weight: bold;
  padding-top: 10px;
  padding-bottom: 10px;
  cursor:pointer;
}

.topic p:hover{
  opacity:0.6;
}

.topic-more-btn{
  text-align: right;
}

.contact{
  background-color: #F0F0F0;
  padding-top: 60px;
  padding-bottom: 120px;
}

.contact-wrapper{
  width: 80%;
  margin:0 auto 0;
  display: flex;
  justify-content: space-between;
  flex-direction: row-reverse;
}

.contact-article{
  width: 48%;
}

.contact-article h2{
  font-size: 32px;
  font-weight: bold;
  padding-top: 50px;
}

.contact-article p{
  padding-top: 30px;
  font-size: 16px;
  padding-bottom:30px;
}


.contact-img{
  width:48%;
}

.contact-img img{
  width: 100%;
  object-fit: cover;
}

.footer{
  background-color: #525252;
  color: white;
  font-size: 10px;
  text-align: center;
  padding-top: 18px;
  padding-bottom: 18px;
}

@media screen and (max-width: 768px) {

  .header-logo{
    width: 189px;
  }


  .fv{
    height:970px;
    /* background-color: pink; */
  }
  
  
  .fv-img{
    height: 890px;
    position: absolute;
  }
  
  .fv-img img{
    height: 890px;
  }
  
  .fv-backgroundbox{
    width:70%;
    height:1024px;
  }
  
  .fv-msg-container{
    top:330px;
    right:15vw;
  }
  
  .fv-subtitle{
    font-size: 16px;
  }
  
  .fv-title{
    font-size: 56px;
  }

  
.about-wrapper{
  width:100%;
  height:479px;
}

.about-content{
  width:80%;
  margin-top:60px;
  margin-left:10%;
  margin-right: 10%;
  padding-left: 30px;
  padding-right: 30px;
  padding-top: 40px;
  padding-bottom: 40px;
}

.about-detail-wrapper{
  padding-left: 5vw;
  display: block;
  width: 100%;
  padding-top: 0px;
  padding-bottom: 40px;
}

.about-detail{
  padding-top: 60px;
  width: 70%;
}


.topics-wrapper{
  width: 100%;
  margin: 0;
  margin-left: 5vw;
  padding-top: 40px;
  padding-bottom: 40px;
}


.topic-titles{
  padding-top: 29px;
}

.topic {
  width: 90%;
  margin: 0 0 29px 0;
}

.topic-more-btn{
  text-align: left;
}

.contact{
  padding-top: 40px;
  padding-bottom: 80px;
}

.contact-wrapper{
  width: 100%;
  margin:0;
  margin-left: 5vw;
  display: block;
}

.contact-article{
  width: 70%;
}

.contact-article h2{
  padding-top: 30px;
}


.contact-img{
  width:70%;
}


}

@media screen and (max-width: 375px) {

  .header-logo{
    width: 189px;
  }


  .fv{
    height:612px;
    /* background-color: pink; */
  }
  
  
  .fv-img{
    height: 580px;
    position: absolute;
  }
  
  .fv-img img{
    height: 580px;
  }
  
  .fv-backgroundbox{
    width:70%;
    height:667px;
  }
  
  .fv-msg-container{
    top:175px;
    right:8vw;
  }
  
  .fv-subtitle{
    font-size: 16px;
  }
  
  .fv-title{
    font-size: 56px;
  }

  
.about-wrapper{
  width:100%;
  height:541px;
}

.about-content{
  width:90%;
  margin-top:60px;
  margin-left:5%;
  margin-right: 5%;
  padding-left: 30px;
  padding-right: 30px;
  padding-top: 40px;
  padding-bottom: 40px;
}

.about-content p{
  font-size: 14px;
}

.about-detail-wrapper{
  padding-left: 5vw;
  padding-right: 5vw;
  display: block;
  width: 100%;
  padding-top: 0px;
  padding-bottom: 40px;
}

.about-detail{
  padding-top: 60px;
  width: 100%;
}


.topics-wrapper{
  width: 100%;
  margin: 0;
  margin-left: 5vw;
  margin-right: 5vw;
  padding-top: 40px;
  padding-bottom: 40px;
}


.topic-titles{
  padding-top: 29px;
}

.topic {
  width: 90%;
  margin: 0 0 29px 0;
}

.topic-more-btn{
  text-align: left;
}

.contact{
  padding-top: 40px;
  padding-bottom: 80px;
}

.contact-wrapper{
  width: 90%;
  margin:0;
  margin-left: 5vw;
  margin-right: 5vw;
  display: block;
}

.contact-article{
  width: 100%;
}

.contact-article h2{
  padding-top: 30px;
}


.contact-img{
  width:100%;
}


}