.sub-1 {
    position: relative;
    /* margin-top: -67px; */
    background: url(../images/sub-38-1/bg-sub.png?v=1) top center no-repeat;
}

.sub-1 .btn {
    /* display: inline-block; */
    /* font-weight: 400; */
    /* text-align: center; */
    /* white-space: nowrap; */
    /* vertical-align: middle; */
    /* -webkit-user-select: none; */
    -moz-user-select: none;
    -ms-user-select: none;
    /* user-select: none; */
    /* border: 1px solid transparent; */
    /* padding: .375rem .75rem; */
    /* font: 23px/22px 'anakotmai-medium', Arial, sans-serif; */
    /* border-radius: .25rem; */
    /* transition: background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out; */
}

.top-name {
    /* float:left; */
    margin-top: 50px;
    display: block;
    width: 100%;
    height: 99px;
    font: 25px/65px 'Kanit', Arial, sans-serif;
    color: #ffffff;
    /* letter-spacing:1px; */
    text-align: left;
}

.suball {
    float: left;
    display: block;
    width: 100%;
    height: auto;
    padding-bottom: 32px;
}

.subbody {
    margin: 0 auto;
    padding: 35px 30px;
    display: block;
    /*width:670px;*/
    width: 100%;
    margin-top: 0px;
    min-height: 500px;
    padding-bottom: 40px;
}

@media (max-width: 374px) {
    .sub-1 {
        /* margin-top: -236px; */
        background-size: 350%;
    }
    .top-name {
        height: 35px;
        margin-top: 31px;
        font: 16px/35px 'anakotmai-medium', Arial, sans-serif;
    }
    .subbody {
        margin-top: 0;
        padding: 35px 0px;
    }
}

@media (min-width: 375px) and (max-width: 419px) {
    .sub-1 {
        /* margin-top: -234px; */
        background-size: 290%;
    }
    .top-name {
        height: 35px;
        margin-top: 30px;
        font: 18px/39px 'anakotmai-medium', Arial, sans-serif;
    }
    .subbody {
        margin-top: 0;
        padding: 35px 0px;
    }
}

@media (min-width: 420px) and (max-width: 575px) {
    .sub-1 {
        /* margin-top: -228px; */
        background-size: 255%;
    }
    .top-name {
        margin-top: 28px;
        height: 37px;
        font: 16px/40px 'anakotmai-medium', Arial, sans-serif;
    }
    .subbody {
        margin-top: 0;
        padding: 35px 0px;
    }
}

@media (min-width: 576px) and (max-width: 767px) {
    .sub-1 {
        /* margin-top: -208px; */
        background-size: 173%;
    }
    .top-name {
        height: 37px;
        font: 20px/37px 'anakotmai-medium', Arial, sans-serif;
    }
    .subbody {
        margin-top: 20px;
        padding: 35px 0px;
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    .sub-1 {
        /* margin-top: -208px; */
        background-size: 159%;
    }
    .top-name {
        margin-top: 33px;
        height: 37px;
        font: 18px/44px 'anakotmai-medium', Arial, sans-serif;
    }
    .subbody {
        margin-top: 10px;
        padding: 35px 0px;
    }
}

@media (min-width: 992px) and (max-width: 1199px) {
    .sub-1 {
        /* margin-top: -180px; */
        background-size: 149%;
    }
    .top-name {
        height: 53px;
        margin-top: 40px;
        font: 26px/53px 'anakotmai-medium', Arial, sans-serif;
    }
    .subbody {
        margin-top: 30px;
    }
}

@media (min-width: 1200px) and (max-width: 1280px) {
    ...
}

@media (min-width: 1281px) and (max-width: 1366px) {
    ...
}

@media (min-width: 1367px) and (max-width: 1440px) {
    ...
}

@media (min-width: 1441px) and (max-width: 1600px) {
    ...
}