/* CSS Document */

@media screen and (max-width: 990px)  {
        .logo img{
    width:150px;
}
    .menu{ 
    font-size: 18px;  
} 
.mt-80 {
    margin-top: 40px;
}
    .mt-sky{
    margin-top: 180px;
}
 .Ctitle {
    margin: 20px auto;
} 
    }
@media screen and (max-width: 885px)  {
 .copy_block{
        display: block;
    }
}
@media screen and (max-width: 770px)  {
    .notice{
    padding: 30px 20px 10px 10px ;
}
  }
@media screen and (min-width: 767px)  {  
    .spring01_pic{
        display:block;
    }
    .spring01_picM{
        display:none;
    }    
    }
@media screen and (max-width: 767px)  { 
    .spring03_btn{
    width: 80%;
    margin: 20px 10% ;
}
    .mpx-3{
        padding: 0 5px;
    } 
    .spring_top{
        display:none;
    }
  .spring_topM{
      display:block;
    }   
     .spring01_pic{
        display:none;
    }
    .spring01_picM{
        display:block;
    }   
    .Abg,.Bbg,.Cbg,.Dbg,.Ebg{
          background-position: center top 10%; 
    }
    .mt-80{
        margin-top: 40px;
    }
}

@media screen and (max-width: 675px)  {
    .NS{
    padding: 10px;
}   
        .logo img{
    width:160px;
}
      .mt-80{
        margin-top: 40px;
    }
}
@media screen and (max-width: 513px)  { 
        .logo img {
        width: 140px;
    }
    #btn_gotop1{
        font-size: 18px;
    }
}
@media screen and (max-width: 500px)  { 
    .spring01{
        padding: 20px 40px;
    }
    .accordion-button::after {
     width: 30px;
    height: 30px;
}
.accordion-button:not(.collapsed)::after {
    width: 30px;
    height: 30px;
}
     #btn_gotop img{
        width: 90px;
    }
    .notice_title{
        font-size: 35px;
    } 
  }
@media screen and (max-width: 450px)  {
    .NS{    
    padding: 8px;
}
        .menu{ 
         padding-top: 2px;
    font-size: 16px;
}
    .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)  {
        .NS{    
    padding: 10px 0;
}
    .logo img{
        width: 120px;
    }
.spring01{
        padding: 20px 20px;
    }
     .notice_title{
        font-size: 28px;
    }
    .accordion-button::after {
     width: 28px;
    height: 28px;
}
.accordion-button:not(.collapsed)::after {
     width: 28px;
    height: 28px;
}
    .my-5 {
    margin-top: 2rem !important;
    margin-bottom: 2rem !important;
}
    .mb-5{
         margin-top: 2rem !important;
    }
}
@media screen and (max-width: 380px)  { 
    .notice_title{
        font-size: 25px;
    } 
         .menu{ 
         padding-top: 0;
}
}
@media screen and (max-width: 350px)  {
        .menu {
        font-size: 13px;
            padding-top: 2px;
    }
.notice_title {
    font-size: 23px;
}
    .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)  {
     .logo img{
        width: 95px;
         padding-top: 2px;
    }
    .notice_title {
    font-size: 20px;
}
}
@media screen and (max-width: 315px)  {
     .notice_title {
    font-size: 17px;
}
       .my-5 {
    margin-top: 1rem !important;
    margin-bottom: 1rem !important;
}
    .mt-5{
        margin-top: 1rem !important;
    }
}