/* CSS Document */
@media screen and (max-width: 1520px)  {
         .horse{
    height:1000px;
} 
}
@media screen and (max-width: 1350px)  {
      .horse{
    height:900px;
} 
    .Bbtn{
    bottom: 90px;
}
    .Cbtn{
    bottom: 60px;
}
    }

@media screen and (max-width: 1200px)  {
        .horse{
    height:820px;
} 
    .horse_top{
        margin-top: 90px;
}
        .Bbtn{
    bottom:70px;
}
  }
@media screen and (max-width: 1070px)  {
       .horse{
    height:700px;
} 
    .Dbtn{
    bottom: 35px;
}
    .accordion-header {
    width: 50%;
    margin: 0 25%;
}
}
@media screen and (max-width: 990px)  {
       .horse{
    height:730px;
} 
        .logo img{
    width:150px;
}
    .menu{    
    width: 250px;
    height: 35px;    
    font-size: 17px;  
}
       .Bbtn{
    bottom:50px;
}
          .Cbtn{
    bottom:40px;
}
      .Dbtn{
    bottom: 30px;
}
  .copyright{
	font-size: 14px;
}
    }
@media screen and (max-width: 950px)  {
     .horse{
    height:700px;
}   
}
@media screen and (max-width: 910px)  {
     .horse{
    height:650px;
} 
     }
@media screen and (max-width: 885px)  {
     .horse{
    height:600px;
} 
 .copy_block{
        display: block;
    }
}
@media screen and (max-width: 770px)  {
    .bggray{
    background-size: 100% auto;
}
    .notice{
    padding: 30px 20px 10px 10px ;
}
  }
/*
@media screen and (min-width: 767px)  {  
    .B,.C,.ocean_top,.sing01_pic{
        display:block;
    }   
    }
*/
@media screen and (max-width: 767px)  {     
    .horse{
    height:750px;
         background: url("images/top_bgM.png") top 30px left 0  no-repeat;
    background-size: 100% 100%; 
} 
    .horse_top{
        display:none;
    }
  .horse_topM{
      display:block;
      position: absolute;
    width: 100%;
    margin: 90px 0 120px;    
    }  
    .mt-20{
        margin-top: 20px;
    }
    .bg{
    background:url("images/bg.png")  top center repeat-y;    
}
    .Atitle{
    margin: 120px 0 40px;
}
 
    .B,.C,.D,.E{
        display:none;
    }
    .Bm,.Cm,.Dm,.Em{
        display: block;
    }    
    .Bbtn{
         width: 52%;
    margin: 0 24%;
    bottom: 60px;
    }
     .Cbtn{
         width: 60%;
    margin: 0 20%;
    bottom: 40px;
    }
    .Dbtn img{
        display: block;
    width: 80%;
        margin: 0 10%;    
}
.Dbtn{
text-align: center;
    margin: 0 5%;
    bottom: 40px;
}

       .accordion-header {
    width: 70%;
    margin: 0 15%;
}
}

@media screen and (max-width: 675px)  {
     .horse{
    height:680px;
}
        .logo img{
    width:160px;
}
    .menu{    
    width: 250px;
    height: 35px;  
        margin-top: 5px;
}
}
@media screen and (max-width: 600px)  {   
.horse_topM{      
    margin: 100px 0 120px;    
    }  
       .Atitle{
    margin: 120px 0 20px;
}
}
@media screen and (max-width: 550px)  { 
      .menu{    
    width: 220px;
        margin-top: 7px;
}
     .mpx-3{
    padding: 0 5px;
}
  .horse{   
    height:650px;
}    
           .accordion-header {
    width: 80%;
    margin: 0 10%;
}
}
@media screen and (max-width: 513px)  { 
.horse{   
    height:600px;
}
     .menu{    
    width: 180px;
    height: 30px;
    font-size: 14px;  
}
}
@media screen and (max-width: 500px)  {     
    .horse{   
    height:550px;
}
    .Bbtn{
         width: 50%;
    margin: 0 25%;
    bottom: 50px;
    }
 .Cbtn{
    bottom: 30px;
    }
    .accordion-button::after {
     width: 30px;
    height: 30px;
}
.accordion-button:not(.collapsed)::after {
    width: 30px;
    height: 30px;
}
     #btn_gotop img{
        width: 100px;
    }
    .notice_title{
        font-size: 35px;
    } 
  }
@media screen and (max-width: 450px)  {
   .horse{   
    height:500px;
}
       .A{
    padding: 10px;    
}
    .notice_title{
        font-size: 32px;
    } 
    .accordion-item:first-of-type .accordion-button {
    border-radius: 30px;
}
.accordion-item:last-of-type .accordion-button.collapsed {
   border-radius: 30px;
     border:3px solid #fff;
}
.accordion-item:last-of-type {
    border-radius: 30px;
}
.accordion-item:first-of-type {
 border-radius: 30px;
}
}
@media screen and (max-width: 400px)  {
    .horse_topM{      
    margin-top: 90px;    
    }  
 .horse{   
    height:450px;
}
    .logo img{
        width: 120px;
    }
           .Atitle{
    margin: 30px 0 20px;
}
    .Bbtn{
    bottom: 40px;
    }
    .Cbtn{
    bottom: 20px;
    }
    .Dbtn{
    bottom: 30px;
}
.accordion-header {
    width: 70%;
    margin: 0 15%;
}
     .notice_title{
        font-size: 26px;
    }
    .accordion-button::after {
     width: 28px;
    height: 28px;
}
.accordion-button:not(.collapsed)::after {
     width: 28px;
    height: 28px;
}
}
@media screen and (max-width: 380px)  { 
     .horse{   
    height:420px;
}
      .mt-80{
        margin-top: 60px;
    }
     .Dbtn{
    bottom: 20px;
}
.accordion-header {
    width: 80%;
    margin: 0 5%;
}
    .notice_title{
        font-size: 23px;
    }
}
@media screen and (max-width: 350px)  {
    .horse{   
    height:390px;
}
        .menu {
        width: 168px;
        height: 30px;
        font-size: 13px;
            border-radius: 10px;
    }
.notice_title {
    font-size: 21px;
}
    .triangle-down {
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 16px solid #fff;
    top: -8px;
    margin-left: 8px;
}
}
@media screen and (max-width: 335px)  {
   .horse{   
    height:390px;
}
     .Bbtn{
    bottom: 35px;
    }
    .notice_title {
    font-size: 20px;
}
}
@media screen and (max-width: 315px)  {
     .notice_title {
    font-size: 17px;
}
}
@media screen and (max-width: 285px)  {
   .horse{   
    height:380px;
}
}