@charset "UTF-8";

html {
  width: 100%;
  font-size: 100%;
  scroll-behavior: smooth;
}

a {
  text-decoration: none;
}

img{
  max-width: 100%;
  height: auto;
}


*{
  margin: 0px;
  padding: 0px;
}

/* header */
header{
  position: fixed;
  z-index: 9999;
  width: 100vw;
  height: 7.916vw;
  background-color: #A8D8EE;
  display: flex;
  justify-content: center;
  align-items: center;
}

@media screen and (max-width: 750px) {
  header{
    height: 11.6vw;
  }
}

.header__inner{
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding-left: calc((33/1200)*100%);
  padding-right: calc((33/1200)*100%);
}

.logo{
  width: 19.14vw;
  align-self: center;
}
@media screen and (max-width: 750px) {
 .logo{
  width: 28.11vw;
 } 
}

nav{
  align-self: center;
}

.header__menu{
  display: flex;
  list-style: none;
}

.menu__btn-orange{
  padding-right: calc((20/1200)*100%);
}

.btn{
  display: inline-block;
  width: 18.5vw;
  max-width: 100%;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0.166vw solid #fff;
  border-radius: 3vw;
  color: #fff;
  font-size: 1.4vw;
  font-family: "M PLUS 1p", sans-serif;
  font-weight: 400;
  font-style: normal;
  letter-spacing: 0.13em;
  transition: .25s;
  padding: 0.7vw 0;
}

@media screen and (max-width: 750px) {
  .btn{
    width: 27.1vw;
    font-size: 2vw;
    padding: 1.03vw 0;
  }
}

.btn:focus,.btn:hover{
  background-color: #fff;
}
.btn-orange:hover::before,.btn-orange:hover::before{
  background-color: #F0A53B;
}
.btn-blue:hover::before,.btn-blue:hover::before{
  background-color: #54C3F1;
}
.btn:hover::after,.btn:hover::after{
  border-left-color: #fff;
}
.btn-orange:focus,.btn-orange:hover{
  color: #F0A53B;
}
.btn-blue:focus,.btn-blue:hover{
  color: #54C3F1;
}

.btn-orange{
  position: relative;
  background-color: #F0A53B;
}

.btn-orange-text{
  display: inline-block;
  transform: translateX(-0.99vw);
}

.menu__btn-orange a::before{
  content: '';
  position: absolute;
  right: 1.083vw;
  width: 1.916vw;
  height: 1.9616vw;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 50%;
  background-color: #fff;
}
@media screen and (max-width: 750px) {
  .menu__btn-orange a::before{
    width: 2.8vw;
    height: 2.8vw;
    top: calc(50% -2px);
  }
}

.menu__btn-orange a::after{
  content: '';
  position: absolute;
  top: 50%;
  left: 90%;
  transform: translate(-50%,-50%);
  border-top: 0.583vw solid transparent;
  border-right: 0 solid transparent;
  border-left: 0.833vw solid #EC881E;
  border-bottom: 0.583vw solid transparent;
  box-sizing: border-box;
}
@media screen and (max-width: 750px) {
  .menu__btn-orange a::after{
    left: 91.5%;
    border-top: 0.8vw solid transparent;
    border-right: 0 solid transparent;
    border-left: 1.133vw solid #EC881E;
    border-bottom: 0.8vw solid transparent;
  }
}

.btn-blue{
  position: relative;
  background-color: #54C3F1;
}

.btn-blue-text{
  display: inline-block;
  transform: translateX(-5px);
}

.menu__btn-blue a::before{
  content: '';
  position: absolute;
  right: 3.333vw;
  width: 1.916vw;
  height: 1.916vw;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 50%;
  background-color: #fff;
}
@media screen and (max-width: 750px) {
  .menu__btn-blue a::before{
    width: 2.8vw;
    height: 2.8vw;
    right: 6.066vw;
    top: calc(50%);
  }
}

.menu__btn-blue a::after{
  content: '';
  position: absolute;
  top: 50%;
  left: 76.7%;
  transform: translate(-25%,-50%);
  border-top: 0.5vw solid transparent;
  border-right: 0 solid transparent;
  border-left: 0.833vw solid #54C3F1;
  border-bottom: 0.5vw solid transparent;
  box-sizing: border-box;
}
@media screen and (max-width: 750px) {
  .menu__btn-blue a::after{
    left: 72%;
    border-top: 0.8vw solid transparent;
    border-right: 0 solid transparent;
    border-left: 1.133vw solid #54C3F1;
    border-bottom: 0.8vw solid transparent;
  }
}


/* main */
main{
  padding-top: 7.916vw;
}
@media screen and (max-width: 750px) {
  main{
    padding-top: 15.72vw;
  }
}

.mv{
  width: 100%;
  height: 100%;
  padding-bottom: 6.8%;
}

.mv__pc{
  position: relative;
  width: 100%;
}

.mv__pc,.mv__sp{
  height: 100%;
  width: 100%;
  object-fit: cover;
}

.mv__text{
  position: absolute;
  top: 83%;
  left: 4.5%;
}

.mv__pc1{
  position: absolute;
  width: 65.91%;
  top: 3.15%;
  left: 13.4%;
}
.mv__pc2{
  position: absolute;
  width: 26.83%;
  top: 28.7%;
  left: 28.5%;
}
.mv__pc3{
  position: absolute;
  width: 54.08%;
  top: 39.8%;
  left: 0;
}
.mv__pc4{
  position: absolute;
  width: 92.58%;
  top: 22.1%;
  left: 3.6%;
}
.mv__pc5{
  position: absolute;
  width: 6.33%;
  top: 61.9%;
  left: 28.5%;
}

.mv__sp{
  display: none;
}
@media screen and (max-width: 750px) {
  .mv__pc{
    display: none;
  }

  .mv__sp{
   display: block;
   position: relative;
   width: 100%;
  }

  .mv__text {
    position: absolute;
    top: 78.7%;
    left: 7.6%;
  }

  .mv__sp1{
    position: absolute;
    width: 62.93%;
    top: 0.2%;
    left: 17.9%;
  }
  .mv__sp2{
    position: absolute;
    width: 22.93%;
    top: 22.3%;
    left: 35.6%;
  }
  .mv__sp3{
    position: absolute;
    width: 57.46%;
    top: 30.46%;
    left: 1.7%;
  }
  .mv__sp4{
    position: absolute;
    width:92.66%;
    top: 24.2%;
    left: 4.6%;
  }
  .mv__sp5{
    position: absolute;
    width: 6.26%;
    top: 59.6%;
    left: 31.6%;
  }
}

.br-sp{
  display: none;
}

.br-pc{
  display: block;
}

@media screen and (max-width: 750px) {
  .br-pc{
   display: none;
  }
  .br-sp{
  display: block;
 } 
}

.mv__text p{
  font-size: 2.83vw;
  letter-spacing: 0.05em;
  color: #4D4D4D;
  font-family: "M PLUS 1p", sans-serif;
  font-weight: 700;
  font-style: normal;
  text-align: center;
}

@media screen and (max-width: 750px) {
 .mv__text p{
  font-size: 3.33vw;
 } 
}

.mv__text span{
  color: #009B9F;
}

.main__about-menu{
  font-size: 14px;
  letter-spacing: 0.12em;
  color: #009B9F;
  font-family: "M PLUS 1p", sans-serif;
  font-weight: 400;
  font-style: normal;
  height: auto;
  background: linear-gradient(to right, rgba(219, 237, 242, 0.5), rgba(134, 204, 217, 0.5));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4.916vw 4%;
  margin-bottom: 2.833vw;
}

@media screen and (max-width: 750px) {
  .main__about-menu{
    padding: 5.333vw 0;
    margin-bottom: 5.333vw;
  }
}

@media screen and (min-width: 1201px) {
  .container__menu,.container__menu-pc{
    flex-grow: 1;
  }
  .btn-menu{
    display: flex;
    width: 30%;
    margin: 0 auto;
  }
}
.container{
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 23px 18px;
  justify-content: center;
}

.container__menu,.container__menu-pc,.container__menu-sp{
  position: relative;
  display: inline-block;
  width: 325px;
  height: 46px;
  color: #009B9F;
  background-color: #fff;
  border: 2px solid #009B9F;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container__menu:hover,.container__menu:focus,
.container__menu-pc:hover,.container__menu-pc:focus,
.container__menu-sp:hover,.container__menu-sp:focus{
  background-color: #009B9F;
  color: #fff;
}

.container__menu-sp{
 display: none;
}
@media screen and (max-width: 750px) {
  .container__menu-pc{
    display: none;
  }
  .container__menu-sp{
    display: inline-block;
    display: flex;
    justify-content: center;
    align-items: center;
  }
}

.btn-menu a::before{
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  right: 15px;
  width: 23px;
  height: 23px;
  margin: auto;
  border-radius: 20px;
  background-color: #99D7D9;
}

.btn-menu a::after{
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  right: 20px;
  width: 0;
  height: 0;
  margin: auto;
  border-top: 9px solid #fff;
  border-right: 7px solid transparent;
  border-left: 7px solid transparent;
  border-bottom: 0 solid transparent;
  transform: translateY(1px);
  box-sizing: border-box;
}

.menu__title{
  width: 93.1%;
  max-width: 100%;
  height: auto;
  border-radius: 4vw;
  color: #fff;
  background-color: #61C1BE;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
  font-size: 2.83vw;
  letter-spacing: 0.15em;
  font-family: "M PLUS 1p", sans-serif;
  font-weight: 500;
  font-style: normal;
  padding: 1.1vw 0;
}

.unit__image{
  position: relative;
  padding-top: 0.173vw;
  padding-bottom: 9.75vw;
  text-align: center;
}

.unit__image img{
  width: 90%;
}

.clear-btn {
  display: inline-block;
  position: absolute;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background-color: #4D4D4D;
  opacity: 0;
  cursor: pointer;
}
.btn1{
  top: 37.3%;
  left: 19.5%;
}
.btn2{
  top: 19.4%;
  right: 37.1%;
}
.btn3{
  top: 46.6%;
  right: 19.1%;
}
.btn4{
  bottom: 10.8%;
  left: 21.6%;
}
.btn5{
  bottom: 10.3%;
  right: 28.8%;
}
@media screen and (max-width: 750px) {
  .btn1 {
    top: 33.3%;
    left: 17.5%;
  }
  .btn2{
    top: 16.4%;
    right: 37.1%;
  }
  .btn3 {
    top: 41.1%;
    right: 18.4%;
  }
  .btn4{
    bottom: 10.3%;
    left: 20.6%;
  }
  .btn5 {
    bottom: 10.3%;
    right: 27.8%;
  }
}

.btn-box{
  position: absolute;
  color: #4D4D4D;
  background-color: #f5fdff;
  width: 24.5%;
  font-size: 1.5vw;
  letter-spacing: 0.08em;
  text-align: left;
  border-radius: 1.25em;
  padding: 1.5vw;
  display: none;
}
.btn-box1{
  top: 38.2%;
  left: 25%;
}
.btn-box2{
  top: 21.2%;
  right: 9.0%;
}
.btn-box3{
  bottom: 37.2%;
  right: 12.0%;
}
.btn-box4{
  bottom: 2%;
  left: 27%;
}
.btn-box5{
  bottom: 4.2%;
  right: 1.0%;
}

.slide{
  position: relative;
  width: 100%;
  height: auto;
}

.slide img{
  vertical-align: bottom;
}

.slider{
  position: absolute;
  width: 85.65%;
  top: 22%;
  left: 7%;
}
.slider-sp{
  display: none;
}
@media screen and (max-width: 750px) {
  .slider{
    display: none;
  }
  .slider-sp{
    display: block;
    position: absolute;
    width: 80%;
    top: 11.5%;
    left: 10%;
  }
}

.menu3,.menu4{
  background-color: rgb(168, 216, 238,0.5);
}

.title__img{
  padding: 47px 189px 12px 158px;
}
@media screen and (max-width: 750px) {
  .title__img{
    padding: 33px 53px 26px 47px;
  }
}

.menu3 p{
  text-align: center;
  font-size: 1.25vw;
  line-height: 2.266;
  letter-spacing: 0.13rem;
  font-family: "Noto Sans JP", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
}
@media screen and (max-width: 750px) {
  .menu3 p{
    font-size: 2.666vw;
    line-height: 2.25;
    letter-spacing: 0.13rem;
  }
}

.menu3 p span{
  color: #EC881E;
  font-size: 1.75vw;
  letter-spacing: 0.15rem;
  font-family: "Noto Sans JP", sans-serif;
  font-optical-sizing: auto;
  font-weight: 500;
  font-style: normal;
}
@media screen and (max-width: 750px) {
  .menu3 p span{
    font-size: 3.7vw;
    letter-spacing: 0.15rem;
  }
}

.circle__img{
  padding: 41px 215px 93px 219px;
}
@media screen and (max-width: 750px) {
  .circle__img{
    padding: 39px 25px 43px 25px;
  }
}

.project__image{
  padding: 5.916vw 7.166vw 5.083vw 8.416vw;
}
@media screen and (max-width: 750px) {
  .project__image{
    padding: 5.733vw 5.333vw 4.266vw 6.666vw;;
  }
}

.detail{
  display: flex;
  justify-content: center;
  align-items: center;
  padding-bottom: 12.75vw;
}
@media screen and (max-width: 750px) {
  .detail{
    padding-bottom: 12.8vw;
  }
}

.btn-detail{
  position: relative;
  display: inline-block;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #009B9F;
  border-radius: 49px;
  color: #009B9F;
  transition: .25s;
  background-color:#fff;
  font-size: 2.25vw;
  font-family: "M PLUS 1p", sans-serif;
  font-weight: 400;
  font-style: normal;
  padding: 1.6vw 0;
  margin: 0 auto;
  transition: .25s;
}
@media screen and (max-width: 750px) {
  .btn-detail{
    height: 8.981vw;
    font-size: 3.6vw;
  }
}

.btn-detail:focus,.btn-detail:hover{
  background-color: #009B9F;
  border-color: #fff;
  transition: .25s;
  color: #fff;
}

.btn-detail-text{
  display: inline-block;
  transform: translateX(-10%);
}

.btn-circle-right{
  width: 55.7%;
}
@media screen and (max-width: 750px) {
  .btn-circle-right {
    width: 90.4%;
  } 
}

.btn-circle-right a::before{
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  right: 28.2%;
  width: 3.5vw;
  height: 3.5vw;
  margin: auto;
  border-radius: 50%;
  background-color: #B9DFE7;
}
@media screen and (max-width: 750px) {
 .btn-circle-right a::before{
  width: 5.396vw;
  height: 5.396vw;
 } 
}

.btn-circle-right a::after{
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  right: 29.93%;
  width: 0;
  height: 0;
  margin: auto;
  border-top: 1vw solid transparent;
  border-right: 0 solid transparent;
  border-left: 1.25vw solid #fff;
  border-bottom: 1vw solid transparent;
  box-sizing: border-box;
}
@media screen and (max-width: 750px) {
 .btn-circle-right a::after{
  border-top: 1.5vw solid transparent;
  border-right: 0 solid transparent;
  border-left: 1.9vw solid #fff;
  border-bottom: 1.5vw solid transparent;
 } 
}

.menu5{
  padding-top: 4.6vw;
}
@media screen and (max-width: 750px) {
  .menu5{
    padding-top: 6.7vw;
  }
}

.flex{
  padding: 0 4%;
  padding-top: 5.2vw;
  padding-bottom: 3.6vw;
  display: flex;
  column-gap: 2.7%;
  justify-content: center;
}
@media screen and (max-width: 750px) {
  .flex {
    flex-direction: column;
    row-gap: 4vw;
    padding-top: 4vw;
    padding-bottom: 7.4vw;
  }
}

.flex__about{
  width: 44.33%;
  height: auto;
  border: 2px solid #009B9F;
}
@media screen and (max-width: 750px) {
  .flex__about{
    width: 99.5%;
    height: auto;
  }
}

.flex__about_title{
  width: 62.7%;
  height: auto;
  padding: 0.32vw 0;
  border-radius: 3vw;
  color: #fff;
  background-color: #61C1BE;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
  font-size: 1.8vw;
  letter-spacing: 0.2em;
  font-family: "Noto Sans JP", sans-serif;
  font-optical-sizing: auto;
  font-weight: 500;
  font-style: normal;
  margin-top: 4.25vw;
  margin-bottom: 2.34vw;
}
@media screen and (max-width: 750px) {
  .flex__about_title{
    width: 66.3%;
    height: auto;
    padding: 0.7vw 0;
    border-radius: 24px;
    font-size: 3.7vw;
    letter-spacing: 0.4em;
    margin-top: 8.8vw;
    margin-bottom: 5.5vw;
  }
}

h2{
  font-size: 2vw;
  letter-spacing: 0.12em;
  font-family: "Noto Sans JP", sans-serif;
  font-optical-sizing: auto;
  font-weight: 500;
  font-style: normal;
  text-align: center;
}
@media screen and (max-width: 750px) {
  h2{
    font-size: 4vw;
    letter-spacing: 0.2em;
  }
}

h3{
  font-size: 1.3vw;
  letter-spacing: 0.1em;
  font-family: "Noto Sans JP", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  text-align: center;
  padding-top: 26px;
  padding-bottom: 23px;
}
@media screen and (max-width: 750px) {
  h3{
    font-size: 2.75vw;
    padding-top: 5.1vw;
    padding-bottom: 3.5vw;
  }
}

.people__img{
  padding: 0 3.5vw 3.916vw 3.5vw;
}

.people__img img{
  box-shadow: 0 3px 5px 0 rgba(0,0,0,.5);
}

.subtitle__img1{
  padding: 0 2vw 1.666vw 2.333vw;
}

.subtitle__img2{
  padding:0 4.416vw 1.583vw 4.583vw;
}

.flex__about__text{
  font-size: 1.08vw;
  font-family: "Noto Sans JP", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  padding: 0 29px;
  line-height: 2.3;
  letter-spacing: 0.19em;
  padding-bottom: 3.4vw;
}
@media screen and (max-width: 750px) {
  .flex__about__text{
    font-size: 2.9vw;
    letter-spacing: 0.236em;
    line-height: 2.047;
    padding-bottom: 6.7vw;
  }
}

.btn-record{
  position: relative;
  display: inline-block;
  width: 92%;
  max-width: 100%;
  height: auto;
  padding: 1.028vw 0;
  font-size: 2.1vw;
  letter-spacing: 0.15em;
  font-family: "M PLUS 1p", sans-serif;
  font-weight: 400;
  font-style: normal;
  color: #009B9F;
  border: 2px solid #61C1BE;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
}
@media screen and (max-width: 750px) {
 .btn-record{
  font-size: 3.3vw;
  padding: 1.888vw 0;
  letter-spacing: 0.23em;
 } 
}

.btn-record:focus,.btn-record:hover{
  background-color: #61C1BE;
  border-color: #fff;
  transition: .25s;
  color: #fff;
}

.btn-record-text{
  display: inline-block;
  transform: translateX(-10%);
}
@media screen and (max-width: 750px) {
  .btn-record-text{
    transform: translateX(-9%);
  }
}

.btn__record a::before{
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  right: 26.2%;
  width: 2.666vw;
  height: 2.666vw;
  margin: auto;
  border-radius: 20px;
  background-color: #99D7D9;
}
@media screen and (max-width: 750px) {
  .btn__record a::before{
    right: 14.2%;
    width: 3.957vw;
    height: 3.957vw;
  }
}

.btn__record a::after{
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  right: 26.98%;
  width: 0;
  height: 0;
  margin: auto;
  border-top: 0.75vw solid transparent;
  border-right: 0 solid transparent;
  border-left: 1vw solid #fff;
  border-bottom: 0.75vw solid transparent;
  box-sizing: border-box;
}
@media screen and (max-width: 750px) {
  .btn__record a::after{
    right: 15.38%;
    border-top: 1vw solid transparent;
    border-right: 0 solid transparent;
    border-left: 1.5vw solid #fff;
    border-bottom: 1vw solid transparent;
  }
}

.flex__youtube{
  display: flex;
  justify-content: center;
  padding-top: 6.92vw;
  padding-bottom: 2.17vw;
}
.flex__youtube-sp{
  display: none !important;
}
@media screen and (max-width: 750px) {
  .flex__youtube{
    display: none;
  }
  .flex__youtube-sp{
    display: block !important;
  }
}

.contents{
  width: 29.16vw;
  margin: 0 1.083vw;
  height: auto;
  aspect-ratio: 350 / 268;
}

.contents iframe{
  width: 100%;
  aspect-ratio: 350/268;
}

.flex__boxes{
  display: flex;
  justify-content: center;
}

.box{
  width: 29.16vw;
  height: 3.916vw;
  margin: 0 1.083vw;
  text-align: center;
  border: 1px solid #4D4D4D;
}
@media screen and (max-width: 750px) {
  .box {
    width: 84.6%;
    height: auto;
    margin: 0 auto;
    margin-top: 5.1vw;
  }
}

.box p{
  font-size: 1.5vw;
  letter-spacing: 0.15em;
  font-family: "M PLUS 1p", sans-serif;
  font-weight: 400;
  font-style: normal;
  padding: 0.75vw 0;
  align-self: center;
}
@media screen and (max-width: 750px) {
 .box p{
    font-size: 3.1vw;
    letter-spacing: 0.3em;
    padding: 1.5vw 0;
  } 
}

.sp-contents{
  text-align: center;
}

.sp-contents iframe{
  width: 84.6%;
  height: auto;
  aspect-ratio: 635 / 413;
}

.flex__youtube-sp{
  display: none;
  display: block;
  width: 85%;
  margin: 0 auto;
  padding: 6.1vw 0;
}
@media screen and (max-width: 750px) {
  .flex__youtube-sp{
    display: block;
  }
  .flex__youtube,.flex__boxes{
    display: none;
  }
}

.about{
  display: flex;
  padding-top: 8.833vw;
  padding-bottom: 5.416vw;
}
.about-sp{
  display: none;
  width: 85%;
  margin: 0 auto;
}
@media screen and (max-width: 750px) {
  .about{
    display: none;
  }
  .about-sp{
    display: block;
    padding: 0 4%;
  }
}

.about__btns {
  display: flex;
  flex-direction: column;
  justify-content: center;
  font-size: 1.416vw;
  line-height: 2.941;
  letter-spacing: 0.15em;
  font-family: "M PLUS 1p", sans-serif;
  font-weight: 400;
  font-style: normal;
  align-items: center;
  transition: .25s;
  margin-bottom: 15px;
}
@media screen and (max-width: 750px) {
 .about__btns{
  font-size: 4vw;
  padding-top: 7.24vw;
  margin: 0;
 }
}

.btn-container{
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  column-gap: 20px;
  justify-content: center;
}
@media screen and (max-width: 750px) {
  .btn-container{
    flex-direction: column;
    flex-wrap: nowrap;
    text-align: center;
  }
}

.btns a::before{
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  right: 1.666vw;
  width: 1.916vw;
  height: 1.916vw;
  margin: auto;
  border-radius: 50%;
  background-color: #99D7D9;
}
@media screen and (max-width: 750px) {
 .btns a::before{
  right: 5.785vw;
  width: 5.438vw;
  height: 5.438vw;
 }
}

.btns a::after{
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  right: 2.083vw;
  width: 0;
  height: 0;
  margin: auto;
  border-top: 0.583vw solid transparent;
  border-right: 0 solid transparent;
  border-left: 0.8333vw solid #fff;
  border-bottom: 0.583vw solid transparent;
  box-sizing: border-box;
}
@media screen and (max-width: 750px) {
 .btns a::after{
  right: 7.25vw;
  border-top: 1.5vw solid transparent;
  border-right: 0 solid transparent;
  border-left: 2.0vw solid #fff;
  border-bottom: 1.5vw solid transparent;
 } 
}

.about-btn {
  position: relative;
  display: inline-block;
  width: 29.33vw;
  height: 4.166vw;
  align-items: center;
  text-align: center;
  box-sizing: border-box;
  border: 2px solid #fff;
  color: #fff;
  background-color: #61C1BE;
  transition: .25s;
}
@media screen and (max-width: 750px) {
 .about-btn{
  width: 84.6%;
  height: 8.8vw;
  line-height: 8.8vw;
 }
}

.about-btn:focus,.about-btn:hover{
  background-color: #fff;
  border-color: #009B9F;
  transition: .25s;
  color: #009B9F;
}

/* footer */
footer{
  position: relative;
  display: flex;
  width: 100%;
  height: 20vw;;
  text-align: center;
  align-items: center;
}

.footer__logo{
  width: 19.14%;
  margin: 0 auto;
}
@media screen and (max-width: 750px) {
 .footer__logo{
  width: 47.54%;
 } 
}

.btn-arrow-top a::before{
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  right: 4.75vw;
  width: 6.5vw;
  height: 6.5vw;
  margin: auto;
  border-radius: 50%;
  background-color: #99D7D9;
}
@media screen and (max-width: 750px) {
  .btn-arrow-top a::before{
   width: 10.57vw;
   height: 10.57vw;
  } 
 }

.btn-arrow-top a::after{
  content: '';
  position: absolute;
  top: 0;
  bottom: -1vw;
  right: 6.6vw;
  width: 2.5vw;
  height: 2.5vw;
  margin: auto;
  border-top: 0.25vw solid #fff;
  border-right: 0.25vw solid #fff;
  transform: translateY(2px) rotate(315deg);
}
@media screen and (max-width: 750px) {
 .btn-arrow-top a::after{
    content: '';
    position: absolute;
    top: 0;
    bottom: -1.3vw;
    right: 7.8vw;
    width: 4vw;
    height: 4vw;
    margin: auto;
    border-top: 0.3vw solid #fff;
    border-right: 0.3vw solid #fff;
    transform: translateY(2px) rotate(315deg);
  } 
}

/* スライダー */
.slide-arrow{
  bottom: 0;
  cursor: pointer;
  margin: auto;
  position: absolute;
  width: 3.538vw;
}
.prev-arrow{
  top: -3.834vw;
  left: -5.833vw;
}
.next-arrow{
  top: -3.834vw;
  right: -5.833vw;
}
.prev-arrow1{
  top: 0;
  left: -3.833vw;
}
.next-arrow1{
  top: 0;
  right: -3.833vw;
}