/* --------------------- */
/* base
/* --------------------- */
html{
  font-size: 62.5%;
}
body{
  box-sizing : border-box;
  font-size: 1.6rem;
  font-family: 'Robot', 'Hiragino Kaku Gothic Pro', sans-serif;
  color: #3d3c3c;
  line-height: 1.7;
  letter-spacing: .07em;
  background-color: #F8FBFE;
}
ul{
  list-style: none;
}
img{
  width: 100%;
  vertical-align: bottom;
}
a{
  text-decoration: none;
}

.section-wrapper{
  max-width: 1100px;
  padding: 75px 0;
  margin: 0 auto;
}

.section-title{
  font-size: 3.2rem;
  font-weight: bold;
  text-align: center;
  position: relative;
}

.section-title:before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -5px; 
  display: inline-block;
  width: 220px;
  height: 2px; 
  -moz-transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  transform: translate(-50%);
  background-color: #3d3c3c;
}
.flex-container{
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ----------------------------- */
/* header
/* ----------------------------- */
header{
  width: 100%;
  align-items: center;
  padding: 28px 50px;
  position: fixed;
  background:rgba(250, 250, 250, 0.8);
  top: 0;
  left: 0;
  width: 100%;
  box-sizing: border-box;
  z-index: +1;
}

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

}

header a{
  color: #004490;
  text-shadow: 0px 4px 4px rgba(8, 15, 115, 0.25);
}

header a:hover{
  opacity: .7;
  transition: .3s;
}
.header-title{
  max-width: 190px;

}
.nav-list{
  display: flex;
  align-items: center;
  font-weight: bold;
  margin-right: -92px;
  /* margin-top: 75px; */
}

.nav-item{
  font-size: 1.8rem;
  margin-right: 92px;
}


.cta-btn{
  display: inline-block;
  width: 137px;
  line-height: 43px;
  background-color: #FF922D;
  border-radius: 47.5px;
  color: #ffffff;
  filter: drop-shadow(0px 4px 4px rgba(0, 0, 0, 0.5));
  font-weight: bold;
  text-align: center;
}

.cta-btn:hover{
  transform: scale(1.05);
  box-shadow: 0 0 24px #333;
  transition: .4s;
}

/* ハンバーガーボタン */
.burger-btn{
  display: none;
}


/* ------------------------- */
/* footer
/* ------------------------- */

.footer-wrapper{
  padding: 75px 0 25px;
  text-align: center;
  color: #ffffff;
  background-color: #4786CA;
}

.footer-img{
  margin: 0 auto;
  max-width: 150px;
  margin-bottom: 26px;
}

.footer-text{
  margin-bottom: 75px;
}

.cta-btn4{
  display: inline-block;
  width: 400px;
  line-height: 70px;
  background-color: #FF922D;
  color: #ffffff;
  border-radius: 47.5px;
  font-size: 2.1rem;
  filter: drop-shadow(0px 4px 4px rgba(0, 0, 0, 0.5));
  margin-bottom: 75px;
}

.cta-btn4:hover{
  transform: scale(1.05);
  box-shadow: 0 0 24px #333;
  transition: .4s;
}


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

.section-wrapper{
  max-width: 712px;
}

/* ----------------------------- */
/* header_iPad
/* ----------------------------- */
header{
  max-width: 768px;
  padding: 28px 31px;
}

.header-nav{
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-image:url(../images/hamburger.jpg);
}

.nav-list{
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  text-align: center;
}

.nav-item{
  margin: 0 0 60px;
}

body.noscroll{
  overflow: hidden;
}


/* ハンバーガーボタン */
.burger-btn{
  display: block;
  width: 50px;
  height: 42px;
  position: relative;
  margin-right: 28px;
}

.bar{
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 1px;
  background-color: #080F73;
  position: absolute;
  z-index: 9;
}
.bar_top{
  top: 0;
}
.bar_middle{
  top: 20px;
}
.bar_bottom{
  bottom: 0;
}
.burger-btn.cross .bar_top{
  transform: rotate(45deg);
  top: 20px;
  transition: .3s;
}
.burger-btn.cross .bar_middle{
  opacity: 0;
  transition: .3s;
}
.burger-btn.cross .bar_bottom{
  transform: rotate(-45deg);
  bottom: 20px;
  transition: .3s;
}


/* ------------------------- */
/* footer_iPad
/* ------------------------- */

.footer-wrapper{
  padding: 75px 0 25px;
}

}


  /* ----------------------------- */
  /* sp
  /* ----------------------------- */



@media screen and (max-width:375px){
  /* --------------------- */
  /* base_sp
  /* --------------------- */
  .section-wrapper{
    max-width: 345px;
    padding: 50px 0;
  }

  .section-title{
    font-size: 2.5rem;
  }
  
  /* ----------------------------- */
  /* header_sp
  /* ----------------------------- */
  header{
    max-width: 375px;
    padding: 16px 15px;
  }

  .nav-item{
    margin: 0 0 33px;
  }

  .header-title{
    max-width: 150px;
  
  }
  
  /* ハンバーガーボタン */
  .burger-btn{
    width: 30px;
    height: 26px;
    margin-right: 15px;
  }

  .bar_top{
    top: 0;
  }
  .bar_middle{
    top: 12px;
  }
  .bar_bottom{
    bottom: 0;
  }
  .burger-btn.cross .bar_top{
    transform: rotate(45deg);
    top: 12px;
    transition: .3s;
  }
  .burger-btn.cross .bar_middle{
    opacity: 0;
    transition: .3s;
  }
  .burger-btn.cross .bar_bottom{
    transform: rotate(-45deg);
    bottom: 12px;
    transition: .3s;
  }
  
  
  /* ------------------------- */
  /* footer_sp
  /* ------------------------- */
  
  .footer-wrapper{
    padding: 50px 0 15px;
  }

  .footer-text{
    margin-bottom: 50px;
  }
  
  .cta-btn4{
    width: 300px;
    line-height: 60px;
    font-size: 1.6rem;
    margin-bottom: 50px;
  }

  }