@charset "utf-8";
/*共通*/
.hidden{
  overflow: hidden;
}
.subline{
  width: 1200px;
  margin: 0 auto;
}
.subline800{
  width: 800px;
  margin: 0 auto;
}
.on540{
  display: none;
}

/*--------------------
フッター
--------------------*/
#main_footer{
  background-color: #efefef;
  padding: 60px 0;
}
#main_footer .footer_left{
  width: 63%;
  display: block;
  float: left;
}
#main_footer .footer_right{
  width: 35%;
  display: block;
  float: right;
  border-left: #282828 1px solid;
  padding: 16px 0 16px 48px;
  box-sizing: border-box;
}
#main_footer .ndc_logo{
  width: 120px;
  display: inline-block;
  vertical-align: top;
}
#main_footer .ndc_desc{
  width: -webkit-calc(100% - 150px);
  width: -moz-calc(100% - 150px);
  width: -ms-calc(100% - 150px);
  width: calc(100% - 150px);
  vertical-align: top;
  padding-left: 40px;
  box-sizing: border-box;
  display: inline-block;
  font-size: 0.9em;
  line-height: 1.7;
}
#main_footer .sns_wrap{
  text-align: center;
}
#main_footer .sns_logo{
  width: 40px;
  display: inline-block;
  transition : all 0.2s ease 0s;
}
#main_footer .sns_logo:not(:last-child){
  margin-right: 32px;
}
#main_footer .sns_logo::hover{
  opacity: 0.4;
}
#main_footer .sns_logo img{
  display: block;
  width: 100%;
}
#main_footer .grad_btn{
  margin: 40px 0 0;
}

#archive .arc_h3{
  text-align: center;
  margin: 40px 0 24px;
  font-size: 1.2em;
  letter-spacing: 0.1em;
}
#archive .arc_box_wrap{
  font-size: 0;
}
#archive .arc_box{
  display: inline-block;
  font-size: 1rem;
  width: -webkit-calc(100% / 8);
  width: -moz-calc(100% / 8);
  width: -ms-calc(100% / 8);
  width: calc(100% / 8);
  position: relative;
}
#archive .arc_link{
  width: 80%;
  padding-bottom: 80%;
  background-color: #ffffff;
  display: block;
  margin: 0 auto;
  border-radius: 50%;
  color: #666666;
  font-weight: bold;
  transition : all 0.2s ease 0s;
}
#archive .arc_link:hover{
  opacity: 0.4;
}
#archive .arc_link::before{
  display: block;
  content: '';
  border: #ffffff 1px solid;
  width: 73%;
  padding-bottom: 73%;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
}
#archive .arc_box:nth-child(1) .arc_link::before{border: #2dbee1 1px solid;}
#archive .arc_box:nth-child(2) .arc_link::before{border: #29aca2 1px solid;}
#archive .arc_box:nth-child(3) .arc_link::before{border: #a7c450 1px solid;}
#archive .arc_box:nth-child(4) .arc_link::before{border: #7886ac 1px solid;}
#archive .arc_box:nth-child(5) .arc_link::before{border: #c4be5f 1px solid;}
#archive .arc_box:nth-child(6) .arc_link::before{border: #c8584f 1px solid;}
#archive .arc_box:nth-child(7) .arc_link::before{border: #3d6499 1px solid;}
#archive .arc_box:nth-child(8) .arc_link::before{border: #448963 1px solid;}
#archive .year{
  display: block;
  position: absolute;
  left: 50%;
  top: 32%;
  transform: translateX(-50%);
}
#archive .kai{
  display: block;
  position: absolute;
  left: 50%;
  bottom: 30%;
  transform: translateX(-50%);
}

#sponsor{
  padding: 60px 0;
}
#sponsor .spo_box{
  margin: 0 0 40px;
}
#sponsor .spo_title{
  width: 120px;
  text-align: center;
  margin: 12px 44px 0 0;
  padding: 12px 0;
  border: #787878 1px solid;
  border-radius: 4px;
  display: inline-block;
  vertical-align: top;
  font-size: 1rem;
}
#sponsor .logo{
  display: inline-block;
  width: 220px;
}
#sponsor .name{
  color: #0E68AA;
  letter-spacing: 0.1em;
  margin-left: 16px;
}
#sponsor .spo_adm,
#sponsor .spo_list{
  display: inline-block;
  vertical-align: top;
  width: -webkit-calc(100% - 200px);
  width: -moz-calc(100% - 200px);
  width: -ms-calc(100% - 200px);
  width: calc(100% - 200px);
  font-size: 1rem;
}
#sponsor .spo_list li{
  width: -webkit-calc(25% - 16px);
  width: -moz-calc(25% - 16px);
  width: -ms-calc(25% - 16px);
  width: calc(25% - 16px);
  display: inline-block;
  margin-bottom: 12px;
}
#sponsor .spo_list li:not(:nth-child(4n)){
  margin-right: 16px;
}
#sponsor .spo_list img{
  display: block;
  width: 100%;
}
footer .copyright{
  text-align: center;
  color: #65cbbf;
  display: block;
  font-size: 0.7em;
  margin-bottom: 40px;
}

.title_min_wrap{
  text-align: center;
}
.title_min{
  font-size: 1.2em;
  letter-spacing: 0.1em;
  position: relative;
  display: inline-block;
  padding: 20px 70px;
  box-sizing: border-box;
}
.title_min .title_line{
  width: 40px;
  height: 1px;
  border: none;
  background-color: #282828;
  transform: rotate(-40deg);
  display: block;
  position: absolute;
}
.title_min .title_line.left{
  left: 0;
  top: 0;
}
.title_min .title_line.right{
  right: 0;
  bottom: 0;
}



@media screen and (max-width:1200px){
  .subline{
    width: 95%;
  }
  
  #main_footer .footer_left{
    width: 100%;
    float: none;
  }
  #main_footer .footer_right{
    width: 100%;
    float: none;
    padding: 30px 0 0;
    margin-top: 30px;
    border-top: #ababab 1px solid;
    border-left: none;
  }
  #main_footer .grad_btn{
    margin: 24px auto 0;
    width: 360px;
  }
  
  #archive .arc_box{
    width: 25%;
    margin: 0 0 20px;
  }
}

@media screen and (max-width:768px){
  .subline800{
    width: 95%;
  }
  .none768{
    display: none;
  }
  
  #sponsor{
    padding: 48px 0 0;
  }
  #sponsor .spo_title{
    width: 95px;
    padding: 8px 0;
    margin: 12px 20px 0 0;
  }
  #sponsor .spo_adm, #sponsor .spo_list{
    width: -webkit-calc(100% - 123px);
    width: -moz-calc(100% - 123px);
    width: -ms-calc(100% - 123px);
    width: calc(100% - 123px);
  }
  #sponsor .spo_list li{
    width: -webkit-calc(100% / 3 - 8px);
    width: -moz-calc(100% / 3 - 8px);
    width: -ms-calc(100% / 3 - 8px);
    width: calc(100% / 3 - 8px);
  }
  #sponsor .spo_list li:not(:nth-child(4n)){
    margin-right: 0;
  }
  #sponsor .spo_list li:not(:nth-child(3n)){
    margin-right: 8px;
  }
  footer .copyright{
    margin-bottom: 12px;
  }
}

@media screen and (max-width:540px){
  .on540{
    display: inline;
  }
  
  #main_footer .ndc_desc{
    width: -webkit-calc(100% - 130px);
    width: -moz-calc(100% - 130px);
    width: -ms-calc(100% - 130px);
    width: calc(100% - 130px);
  }
  #main_footer .grad_btn{
    width: 90%;
  }
  .title_min{
    padding: 20px 35px;
    margin-bottom: 24px;
  }
  
  #archive .arc_box{
    width: 50%;
  }
  
  #sponsor .spo_box{
    margin: 0 0 20px;
  }
  #sponsor .logo{
    width: 150px;
  }
  #sponsor .name{
    margin: 12px 0 0;
    display: block;
  }
  #sponsor .spo_title{
    font-size: 0.9em;
    width: 75px;
    margin: 4px 20px 0 0;
  }
  #sponsor .spo_list li{
/*
    width: -webkit-calc(50% - 8px);
    width: -moz-calc(50% - 8px);
    width: -ms-calc(50% - 8px);
    width: calc(50% - 8px);
*/
    width: 80%;
    margin-right: 0;
  }
  #sponsor .spo_list li:nth-child(odd){
    margin-right: 8px;
  }
  
}