@media screen and (min-width: 1201px) and (max-width: 1899px)   {
    

    .main {
        max-width: 100%;
        overflow: hidden;
    }

}


/* ============== 1200px SCREEN =================  */

@media screen and (min-width: 800px) and (max-width: 1200px) {

/*======= SLIDER MAIN ========*/

    .slder {
        height: 450px;
        box-sizing: border-box; 
    }

    #owl-demo .mobile-slider-img {
        display: none !important;
    }

    .main {
        max-width: 1200px;
        overflow: hidden;
    }

    /* .compose .pc-section .compose_inner {
        padding-left: 140px;
    } */

    .compose .pc-section .compose_inner img{
        width: 95%;
        height: auto;
    }

    .history_block .history_block_right {
        width: 450px !important;
    }
    .history_block .history_block_right img {
        width: 80%;
    }
}

/* ============== TABLET SCREEN =================  */

@media screen and (min-width: 575px) and (max-width: 800px) {

    .main {
        max-width: 800px;
        overflow: hidden;
    }

/*======= SLIDER MAIN ========*/

    .slder {
        height: 450px;
        box-sizing: border-box; 
    }
     
    .slder #slider-video {
        display: none !important;
    }

}

/* ============== MOBILE SCREEN =================  */

@media only screen and ( max-width: 500px ) {

    .main {
        overflow: hidden;
    }

    .slder {
        display: none;
    }

    .slder_mobile {
        display: block;
        height: 100%;
        width: auto;
        box-sizing: border-box; 
    }
    /* .slder {
        display:block;
        height: 100%;
        width: auto;
        box-sizing: border-box; 
    } */

    #owl-demo video {
        display: none !important;
    }

    .pc-slider-img {
        display: none !important;
    }
    
    .mobile-slider-img {
        display: block !important;
    }

 /* ============== BUTTONS =================  */

    .on {
        width: 50px;
        height: 50px;
        right:5px;
        bottom: 65px;
    }

    .topBtn {
        width: 50px;
        height: 50px;
        right: 5px;
        bottom: 10px;
    }

 /* ============== MENU =================  */
  
    .links, .pc_menu {
        display: none;
    }

    .links_mob {display: inline;}

    .nav {
        background-color: #fff;
    }

    .nav > .nav-header > .nav-title {
        display: inline-block;
        font-size: 22px;
        font-weight: 600;
        color: #184985;
        padding: 10px 10px 10px 10px; 
      }

    .nav > .nav-btn {
      display: inline-block;
      position: absolute;
      right: 0px;
      top: 0px;
      z-index: 99999;
    }
    .nav > .nav-btn > label {
      display: inline-block;
      width: 50px;
      height: 50px;
      padding: 13px;
    }
    .nav > .nav-btn > label:hover,.nav  #nav-check:checked ~ .nav-btn > label {
      background-color: rgba(0, 0, 0, 0.3);
    }
    .nav > .nav-btn > label > span {
      display: block;
      width: 25px;
      height: 10px;
      border-top: 2px solid #184985;
    }
    .nav > .nav-links {
      position: absolute;
      display: block;
      width: 100%;
      background-color: #ffffff;
      height: 0px;
      transition: all 0.3s ease-in;
      overflow-y: hidden;
      top: 50px;
      left: 0px;
      z-index: 99;
    } 

    .nav > .nav-links > nav > ul  {
        display: flex;
        flex-direction: column; 
    }
    .nav > .nav-links > nav > ul > li {
        padding-bottom: 20px; 
        padding-right: 15px;
    }

    .nav > .nav-links > nav > ul > li > a {
        color: #184985;
        font-size: 20px;
        display: block !important;
        width: 100%;

    }
    .nav > .nav-links > nav > ul > li > a:hover {
        color: #fab624;
    }

    .nav > #nav-check:not(:checked) ~ .nav-links {
      height: 0px;
      display: none;
    }
    .nav > #nav-check:checked ~ .nav-links {
      height: calc(100vh - 50px);
      overflow-y: auto;
    }

    .owl-carousel {
        z-index: 1;
    }


/* ============== BLOCK ================= */
.container {
    height: auto;
    /* box-sizing: border-box; */
}

section img{
    float: left;
    width: 100%;
    height: auto;
}

/*======= KEY MESSAGE ========*/

.keymsg {
    background: none;
    background-color: #f5f5f5;
    height: auto;
}

.keymsg .pc-section {
    display: none;
}

.keymsg .mobile-section {
    display: block;
    padding-bottom:20px;
    font-family: "AppleSDGothicNeoR00"; 
    /* padding: 20px 10px 0px 10px; */
}

.keymsg .mobile-section img {

    /* width: 365px; */
    float: none;
    display: block;
    margin: 0 auto; 
    margin-bottom: 20px;
}

/* .keymsg .mobile-section li {
    margin-bottom: 20px;
} */

.key .mobile_containter {
    max-width: 22.1em;
    padding: 10px 20px 2px 20px;
}

 .key_title,  .key_text {
    display:block;
    text-align:center;
    
}

.key_title {
    background-image: url(../mobile/key_title.png);
    background-repeat: no-repeat;
    /* background-size: contain; */
    background-size: auto;
    background-position: center;
    /* background-size: cover; */
    color:#fff;
    font-weight:600;
    /* font-size parent: 16px */
    font-size: 1.25em;
    height: 52px;
    padding-top: 15px;
    /* width: 90%; */
    /* padding-bottom: 15px;
    padding-top: 15px;
     
     padding: 10px 20px 2px 20px;*/
}

.key_text {
    background-image: url(../mobile/key_text.png);
    background-repeat: no-repeat;
    /* background-size: contain; */
    background-size: auto;
    background-position: center;
    color: #000;
    height: 140px;
    margin-top: -10px;
    padding: 25px 45px 30px 45px;
    /* width:auto; 
    padding: 10px 20px 2px 20px;*/
}

/*======= EFFECT ========*/

.effect {
    background-size: auto 100%;
    height: auto;
}

.effect .pc-section {
    display: none;
}

.effect .mobile-section {
    display: block;
    width: 100%;
    text-align: left;
    color: #fff;
    padding: 20px 20px 0px 20px;
}

.effect .mobile-section span {
    display: block;
    margin: 5px 0;
    margin-bottom: 15px;
}

.effect .mobile-section span ul {
    padding-left: 10px;
    list-style-type: disc;
    list-style-position: inside;
    font-size: 12px;
}

.effect .mobile-section img {
    /* width: 370px; */
    width: 100%;
    float: none;
    display: block;
    margin: 0 auto; 
}

.effect .mobile-section .bubble {
    width: 70%;
}

/*======= COMPOSITION ========*/

.compose {
    background-size: 100% 100%;
    height: auto;
    overflow: hidden;
}

.compose .pc-section {
    display: none;
}

.compose .mobile-section {
    display: block;
}

.compose .mobile-section .compose_inner {
    width: 100%;
    padding-top: 30px;
    padding-left: 40px;
    
}

.compose .mobile-section .compose_inner .grass {
    width: 90%;
    
}

/*======= USE ========*/

.use {
    /* background: url(../test.png) no-repeat right bottom; */
    background: none;
    background-color: #f5f5f5;
    background-size: 100% 100%;
    height: auto;
    padding-bottom: 10px;
}

.use .pc-section {
    display: none;
}

.use .mobile-section {
    display: block;
    padding-top: 20px;
    padding-left: 15px;
}

.use .mobile-section img {
    margin-bottom: 25px;
    width: 95%;
    height: auto;     
}

.use .mobile-section .product_img {
    width: 50%;
    transform: translateX(25%);
}

/*======= HISTORY ========*/

.history {
    height: auto;
} 

.history .pc-section {
    display: none;
}

.history .mobile-section {
    display: block;
    padding-top: 40px;
    padding-left: 20px;
}

.history .mobile-section img {
    margin-bottom: 25px;
    width: 95%;
    height: auto;     
}

/* .history img {
    padding-top: 40px;
    padding-left: 20px;
    width: 130%;
    margin-left: 2%;
}

.history .patent{
padding-left: 10%;
width: 90% !important;
} */

/*======= PARTNER ========*/

.partner {
    height:240px;
}

.partner .pc-section {
    display: none;
}

.partner .mobile-section  {
    display: block;
    background-color: #f8f8f8;
}
.partner .mobile-section .your-class {
    padding-top: 20px;
    padding-bottom: 20px;
    padding-left: 25px;
}

.partner .mobile-section .your-class img{
    height: 90px;
    width: auto;
}

/*======= MAP ========*/
/* 
.map {
    background-image: url(landing/9-1.jpg);
    background-size: auto;
    height:350px;
    border-bottom: 1px solid #18498542;
} */
.map {
    background-size: auto 100%;
    background-color: #ffffff;
    height: 100%;
    
}

.map .pc-section {
    margin-top: 20px;
    
}

.map img{
    padding-left: 15px;
    margin-bottom: 20px !important;
     width: 98%;   
}

 /*============ FORM ================*/


 .contactform {
    display: block;
    width: 100%;
}

 .formbox {
    position: relative;
    left: 4%;
    padding-left: 0px; 
    width: 100%;
}

.btn {
    padding-right: 20px;
}

.formbox .email, .formbox .name {
    width: 42.5%;
    
}
 /*============ FOOTER ================*/

    footer {
        height: 190px;
    }
    .footer {
        height: auto;
        width: 100%;
        flex-direction: column;
        padding-top: 20px;
        padding-left: 10px;
    }

    .footer span {
        line-height: 20px;
    }

    .footer .footer-img {
        padding-top: 5px;
        padding-left: 5px;
        margin-bottom: 5px;
    }
    
    .footer .footer-img img {
        width: 130px;
        height: auto;
    }

    .footer .footer-text {
        font-size: 12px;
        padding-top: 0px;
        padding-left: 0px;
    }

    .footer .text {
        margin-right:15px;
    }
}


/* @media screen and (max-width: 1600px) {
    .wrap {
      display: block;
    }
    .lessonstart{
      margin: 0 auto;  
      margin-bottom:10px;
    }
  } 
  
  */