@charset "utf-8";
/* CSS Document */
html {
  scroll-behavior: smooth;
}
body {
  box-sizing: border-box;
}

.body_background{
  background-image: url(../img/background.jpeg);
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    position: relative;
}
.img_nikken_mobile_logo{
    position: fixed;
    top: 20%;
    left: 5%;
    width: 20vw;

}


main {
  padding-top: 75px;
}
.header_sp_top {
  height: 75px;
  width: 100%;
  max-width: 600px;
  background-color: #fff;
  position: fixed;
  z-index: 100;
}
.nikken_logo_header {
  display: block;
  width: 135px;
  margin-left: 25px;
  padding-top: 15px;
}
.section01_warpper{
position: relative;
}
.img_01 {
  width: 100%;
  vertical-align: bottom;
  }
.section_fv_copy{
    position: absolute;
    bottom: 40px;
    right: 0;
    left: 0;
    /* font-size: 16px; */
    font-size: clamp(16px,4vw,26px);
    color: #fff;
    line-height: 1.5;

  }
  .section_fv_copy_large{
    font-size: clamp(24px,6vw,36px);
  }

  .section02_warpper {
   position: relative;
  }
.img_02 {
  width: 100%;
  vertical-align: bottom;
}

.section02_p_overview{
  position: absolute;
    top: 17%;
    right: 0;
    left: 0;
    /* font-size: 16px; */
    font-size: clamp(16px,4vw,22px);
   
    line-height: 2.0;
}

.section02_p_overview_bule{
  background-color: #0064FF;
  color: #fff;
  padding: 1%;
  font-size: clamp(20px,6vw,30px);

}

.section02_p_overview_purple{
   background-color: #ea00fe;
  color: #fff;
  padding: 1%;
  font-size: clamp(20px,6vw,30px);
}

.section02_p_merit_wrapper{
  color: #0085cd;
  font-family: "Kaisei Opti", serif;
  font-weight: 400;
  font-style: normal;

  position: absolute;
    top:42%;
    right: 0;
    left: 0;
    /* font-size: 16px; */
    font-size: clamp(16px,5vw,26px);
   
    line-height: 1.6;

}

.section02_p_merit_01{
  font-family: "Kaisei Opti", serif;
  font-weight: 700;
  font-style: normal;

  font-size: clamp(45px,5vw,50px);
  
}

.section02_p_merit_02{
  font-family: "Kaisei Opti", serif;
  font-weight: 700;
  font-style: normal;

  font-size: clamp(30px,5vw,40px);
  
}

.section02_p_merit_03{
  font-family: "Kaisei Opti", serif;
  font-weight: 700;
  font-style: normal;

  font-size: clamp(35px,5vw,45px);
  
}

.section02_p_message{
  color: #0085cd;
  position: absolute;
    top:65%;
    right: 0;
    left: 0;
    /* font-size: 16px; */
    font-size: clamp(16px,3vw,26px);
   
    line-height: 1.8;
    margin-top: 30px;
}

.section02_p_annotation{
  position: absolute;
    top:74%;
    right: 0;
    left: 0;
    /* font-size: 16px; */
    font-size: clamp(14px,2vw,18px);
   
    line-height: 1.8;
    margin-top: 30px;
  
}


.img_03 {
  width: 100%;
  vertical-align: bottom;
}

.section_insight{
  background-color: #e5e5e5;
  padding-top: 20px;
  padding-left: 20px;
  padding-right: 20px;
  padding-bottom: 80px;
  
}

.img_moyamoya {
  width: 10% ;
  display: block;
  margin-left: auto;
  margin-bottom: 10px;
}

.section_insight_h2{
  font-size: clamp(22px,6vw,36px);
  margin-bottom: 35px;
  font-weight: 900;
}

.section_insight_h2_blue{
  color: #0085cd;
}

.section_insight_p{
  font-size: clamp(14px,3vw,20px);
  margin-bottom: 60px;
}

.insight_img {
  width: 100%;
  margin-bottom: 40px;
  
}

.section_insight_message{
  font-size: clamp(20px,5vw,30px);
  line-height: 2;
  color: #0085cd;

}

.section_features{
  background-color: #00b1e3;
  padding: 40px 30px 50px;
  position: relative;
}

.section_features_h2{
  font-size: clamp(26px,6vw,36px);
  line-height: 1.5;
  color: #fff;
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
 
}

.section_features_h2:before,
.section_features_h2:after {

  content: "";
    background-color: #fff;
    height: 4px;
    width: 60px;
    border-radius: 8px;
 
}

.section_features_h2:before{
  margin-right: 5px;
  margin-top: 50px;
    transform: rotate(60deg);
    position: absolute;
    left: 7%;
  
  }

 .section_features_h2:after{
   margin-left: 5px;
   margin-top: 50px;
    transform: rotate(-60deg); 
    position: absolute;
    right: 7%;
 }



.features_wrapper{
  position: relative;
  
}

.features_img{
  width: 100%;
  margin-bottom: 12px;
}

.features_p{
  position: absolute;
  top: 25%;
  left:13%;
  text-align: left;
  font-size: clamp(20px,5vw,32px);
  line-height: 1.5;
  color: #0085cd;
  
}

.features_p_first{
  font-size: clamp(18px,5vw,28px);
  top: 20%;
}

.features_annotation_p{
margin-top: 30px;
font-size: clamp(14px,6vw,18px);
line-height: 1.7;
}

.img_04 {
  width: 100%;
  vertical-align: bottom;
}
.img_05 {
  width: 100%;
  vertical-align: bottom;
}

.section_message{
  background-color: #fffdfd;
  padding: 40px 25px 0;

}

.section_message_p{
  margin-bottom: 30px;
  color:#0085cd;
  font-size: clamp(18px,4vw,28px);
  line-height: 1.7;
}

.section_message_img{
  width: 75%;
  margin-left: 10%;
  vertical-align: bottom;
}



@media (min-width:600px) {
   .sp_wrapper {
    max-width: 600px;
    margin: 0 auto;
   }


  }







.float-button__wrap a {
   
    width: 160px;
    height: 20px;
    text-decoration: none;
    
    color: #fff;
    text-align: center;

    background-color: #27a0c1 ;

    padding: 10px 60px 50px;    
    border-radius: 5px;
    text-align: center;

    display: block;
    margin: 10px auto 0;
    

    font-family: "Noto Sans", sans-serif;
    font-weight: 500;
    font-style: normal;
    
    margin-bottom: 10px;
    
}

.float-button__wrap {
    display: none;/*最初は隠す*/
    width: 100%;
    max-width: 600px;
    height: 100px;
    position: fixed;
    bottom: 10px;
    background-color:rgba(0, 0, 0, 0.5);
    z-index: 10;
}