@charset "UTF-8";
/* CSS Document */
html {
  font-size: 62.5%; /* 16px * 62.5% = 10px */
  width: 100%;
  -webkit-box-sizing: border-box;
}

body {
  color: #333; /* RGB */
  font-weight: 500;
  font-size: 1.6em;
  line-height: 2.4rem;
  text-align: center;
  background-color: #fbfbf1;
  margin: 0 auto;
  font-family: 'Noto Serif JP', serif;
}

a:hover {
  opacity: 0.5;
}

.none {
  display: none;
}


*::before,
*::after {
  box-sizing: border-box;
}


/* header */

.header {
  border-top: 3px solid #3390B6;
  margin: 0 auto;
  
}

.header_container {
   max-width: 100%;
   
   width: 1160px;
   margin: 0 auto;
}

.header_h1 h1{
  color: #333;
  text-align: left; 
}

.header h1 a {
  color: #333;
  text-decoration: none;
  font-size: 2.4rem;
 
}

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

.header h1 a ,.top_button_wrapper{
  color: #333;
  text-decoration: none;
}




/* navigation */

.open_button,
.close_button {
  display: none;
}


@media (max-width: 1160px) {

  .open_button{
    display: block;
    position: absolute;
    right: 10px;
    top: 20px;
    width: 40px;
    height: 40px;
    cursor: pointer;
  }

    .open_button span,
  .open_button span:before,
  .open_button span:after {
    position: absolute;
    height: 3px;
    width: 25px;
    background: #333;
    display: block;
    content: "";
  }

  
  .open_button span:before {
    bottom: -8px;
  }
  .open_button span:after {
    bottom: -16px;
  }

  .close_button {
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    color: #333;
    font-size: 20px;
    padding: 20px;
    cursor: pointer;
  } 

  
  .header nav {
    display: none;
    z-index: 1000;
    position: fixed;
    top: 0;
    left: 0;
    background-color: #759AAC;
    opacity: 0.9;
    width: 100%;
    height: 50px;
    padding-top: 67px;
    
  }


.header {
  padding-top:15px;

}

.header_h1 {
  padding-bottom: 10px;
}
.header_right_wrapper {
  display: none;
}






.header_nav_list li {
  padding: 9px 60px;
  background-color: #759AAC;
  
}

.header_nav_list li a {
  text-decoration: none;
  color: #fbfbf1;
  font-size: 1.8rem;
  font-weight: 600;
  min-width: 50px;
  max-width: 100%;
}
/* .header_right_wrapper,.header_nav_list {
  display: none !important;
} */

  /* .header_nav_list li a {
    font-weight: 600;
    line-height: 40px;
    vertical-align: middle;
    color: #fbfbf1;
    text-decoration: none;
    padding-left: 20px;
  } */

  /* .header_nav {
    z-index: 100;
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 70%;
    height: 100%;
    padding-top: 60px;
  } */
  .header_h1 {
    padding-left: 20px;
  }
}

@media (min-width: 1160px) {
  .header {
    /* max-width: 100%; */
    height: 150px;
    /* width: 1160px; */
    /* margin: 0 auto; */
   
  }

  .header_wrapper {
    color: #333;
    height: 80px;
  }

  .header_h1 {
    padding-left: 20px;
    padding-top: 20px;
  }


  .header_right {
    padding-top: 10px;
    padding-right: 20px;
    font-size: 1.6rem;
    color: #333;

  }
  
  .header_right_p1,.header_right_p2 {
    padding-left: 200px;
  }

  .header_right_p1{
    border-bottom: 2px dotted #ABDEF3;
  }
  .header_nav {
    display: block;
   
  }
    .header_nav_list {
    display: flex;
    padding-top: 15px;
    justify-content: center;
  }

   
  .header_nav_list li {
    padding: 9px 60px;
    background-color: #759AAC;
  }

  .header_nav_list li a {
    text-decoration: none;
    color: #fbfbf1;
    font-size: 1.8rem;
    font-weight: 600;
  }
  
}


@media (max-width: 960px) {
  .header_h1 h1 a {
    font-size: 1.8rem;
  }
  


}






  

/* main */
main {
  color: black;
  /* font-family: "游明朝",serif;  */
}


.top_button_wrapper {
  padding-bottom: 20px;
  padding-top: 20px;
}


/* footer */


footer {
  background-color: #759AAC;
  
}


.footer_container {
  
  width: 1160px;
  margin: 0 auto;
  max-width: 100%;
  padding-bottom: 20px;
  font-family: 'GFS Didot', serif;
  
}

.footer_container h1 {
  display: flex;
  justify-content: flex-end;
  padding-right: 30px;
  padding-top: 10px;
}


footer a {
  text-decoration: none;
  color: #fbfbf1;
}

.footer__copyright {
  color: #fbfbf1;
  font-size: 1.3rem; 
}

@media (max-width: 960px) {
  footer a {
    font-size: 1.4rem;
  }
  .footer__copyright {
    padding-top: 10px;
    font-size: 1.3rem; 
  }


}