/* -------------- base ----------------- */
html{
  font-size: 62.5%;
}
body{
  font-size: 1.6rem;
  font-family: Helvetica, sans-serif;
  color: #222222;
  line-height: 1.5;
  letter-spacing: .05em;
}
h2{
  margin-bottom: 50px;
}
img{
  width: 100%;
  vertical-align: bottom;
}
a{
  text-decoration: none;
}
ul{
  list-style: none;
}
.section-wrapper{
  padding: 100px 0;
}

.section-title{
  color: #080F73;
  font-size: 4.8rem;
  font-weight: bold;
  text-align: center;
  text-decoration: underline;
}
.section-subtitle{
  color: #080F73;
  font-size: 1.8rem;
  text-align: center;
}
/* -------------- /base ----------------- */

/* -------------- header ----------------- */
.burger-btn{
  display: none;
}
header{
  display: flex;
  justify-content: space-between;
  padding: 20px 50px 20px;
  width: 100%;
  background-color: #080F73;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1;
}
.nav-list{
  display: flex;
  margin-bottom: 0;
}
.nav-item a{
  color: #ffffff;
  margin-left: 50px;
}
.site-title{
  width: 205.49px;
}
/* -------------- /header ----------------- */

/* -------------- kv ----------------- */
.kv-wrapper{
  background-image: url(../images/kv-about.jpg);
  background-size: cover;
  background-position: center;
  padding-top: 290px;
  padding-bottom: 268px;
  padding-right: 100px;
  margin-bottom: 20px;
}
.kv-copy{
  text-align: right;
}
.kv-title{
  font-family: Helvetica;
  font-style: normal;
  font-weight: bold;
  font-size: 4.8rem;
  line-height: 1.5;
  letter-spacing: 0.05em;
  color: #FFFFFF;
  text-shadow: 4px 4px 4px rgba(0, 0, 0, 0.8);
  margin-bottom: 15px;
  display: inline-block;
  text-align: left;
}
.kv-text{
  font-family: Helvetica;
  font-style: normal;
  font-weight: bold;
  font-size: 3.0rem;
  line-height: 1.0;
  letter-spacing: 0.05em;
  color: #FFFFFF;
  text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.8);
  margin-bottom: 60px;
  margin-right: 51px;
}
/* -------------- /kv ----------------- */


/* -------------- message ----------------- */
.section-inner{
  max-width: 1040px;
  display: flex;
  align-items: center;
  margin: 0 auto;
  justify-content: space-between;
}
.about-img{
  max-width: 304px;
  margin-bottom: 50px;
}
.message-text-wrapper{
  max-width: 587px;
}
.message-inner{
  margin-bottom: -50px;
}
.message-tiitle{
  font-size: 2.4rem;
  font-weight: bold;
  margin-bottom: 20px;
}
.message-text{
  margin-bottom: 20px;
}
/* -------------- /message ----------------- */



/* -------------- philosophy ----------------- */
.flex-container{
  max-width: 1040px;
  display: flex;
  margin: 0 auto;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}
.flex-container:last-of-type{
  flex-direction: row-reverse;
  margin-bottom: 0;
}
.philosophy-img{
  max-width: 468px;
}
.philosophy-text-wrapper{
  max-width: 488px;
}
.philosophy-text-title{
  font-size: 2.4rem;
  font-weight: bold;
  margin-bottom: 24px;
}
.philosophy-inner{
  margin-bottom: -50px;
}
/* -------------- /philosophy ----------------- */



/* -------------- information ----------------- */
.information-inner{
  max-width: 1040px;
  margin: 0 auto;
  background-color: #F3F8FF;
  padding: 15px 0;
  margin-bottom: 20px;
}
.information-list{
  margin: 0 auto;
}
.information-item{
  display: flex;
  border-bottom: solid 2px #ffffff;
  line-height: 3.4;
}
.information-item:last-of-type{
  border-bottom: none;
}
.information-title{
  width: 102px;
  font-weight: bold;
  margin-right: 127px;
}
/* -------------- /information ----------------- */




/* -------------- footer ----------------- */
.footer{
  text-align: center;
  background-color: #080F73;
  color: #ffffff;
  font-size: 1.4rem;
  padding: 17px 0;
  line-height: 1.0;
}
/* -------------- /footer ----------------- */


/* ----------------　メディアクエリ ---------------- */
@media screen and (max-width:768px){
  .header-nav{
    display: none;
  }
  .kv-wrapper{
  background-image: url(../images/kv-about-tab.jpg);
  padding-top: 302px;
  padding-bottom: 281px;
  padding-right: 100px;
  }
  .section-inner{
    max-width: 668px;
  }
  .message-text-wrapper{
    max-width: 314px;
  }
  .flex-container{
  max-width: 668px;
  }
  .philosophy-text-wrapper{
  max-width: 248px;
  }
  .philosophy-img{
    max-width: 400px;
  }
  .information-title{
  margin-right: 48px;
  }

  /*---------- ハンバーガーボタンン ----------*/
  .burger-btn{
    display: block;
    width: 28px;
    height: 22px;
    position: relative;
  }
  .bar{
    display: block;
    width: 100%;
    height: 2px;
    border-radius: 1px;
    background-color: #fff;
    position: absolute;
    z-index: 9;
  }
  .bar_top{
    top: 0;
  }
  .bar_middle{
    top: 10px;
  }
  .bar_bottom{
    bottom: 0;
  }

  /*---------- ハンバーガーボタン（開いた時） ----------*/
  .burger-btn.cross .bar_top{
    transform: rotate(45deg);
    top: 10px;
    transition: .3s;
  }
  .burger-btn.cross .bar_middle{
    opacity: 0;
    transition: .3s;
  }
  .burger-btn.cross .bar_bottom{
    transform: rotate(-45deg);
    top: 10px;
    transition: .3s;
  }

  /*---------- ハンバーガーメニュー　開いた時 ----------*/
  .header-nav{
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: #080F73;
  }
  .nav-list{
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    text-align: center;
  }
  .nav-item{
    margin: 0 0 50px;
  }
  .nav-item a{
    margin-left: 0;
  }
  body.noscroll{
    overflow: hidden;
  }

  .flex-container{
    margin-bottom: 50px;
  }
}


@media screen and (max-width:375px){
  header{
    padding: 24px 30px 24px;
  }
  .site-title{
    width: 160px;
  }
  .kv-wrapper{
    background-image: url(../images/kv-about-sp.jpg);
    padding: 300px 0 123px; 
    margin-top: 80px;
  }
  .kv-text{
  margin-bottom: 0;
  margin-right: 0;
  }
  .kv-copy{
  text-align: center;
  }
  .section-title{
  max-width: 335px;
  margin: 0 auto;
  }
  .section-inner{
  display: block;
  max-width: 335px;
  }
  .flex-container{
  display: block;
  }
  .about-img{
  max-width: 330px;
  }
  .message-text-wrapper{
  text-align: center;
  }
  .philosophy-img{
  max-width: 334px;
  margin: 0 auto;
  margin-bottom: 30px;
  }
  .philosophy-text-wrapper{
    max-width: 335px;
    margin: 0 auto;
  }
  .information-item{
  display: block;
  line-height: 1.5;
  padding: 15px 0;
  margin: 0 auto;
  max-width: 287px;
  }
  .information-inner{
  width: 335px;
  padding: 28px -24px 28px 24;
  }
  .information-text{
  max-width: 287px;
  margin: 0 auto;
  }
  .section-title-information{
  font-size: 47px;
  letter-spacing: 0;
  }
}