html,body,header,footer,nav,menu,main,aside,article,div,span,h1,h2,h3,h4,h5,h6,p,a,img,input,button,ul,ol,li{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    text-decoration: none;
    list-style: none;
    color: inherit;
    font-family: sans-serif;
}
html{
    scroll-behavior: smooth;
}
:root{
    --themeColor: #2ed2ff;
    --darkgray: #252525;
    --textColor: #585858;
    --textBtn: #EEEEEE;
}
*[class$=btn]{
    display: inline-block;
    padding: 0.5em 1.5em;
    margin: 0.25em 0;
    color: var(--textBtn);
    border-radius: 6px;
}
.theme-btn{
    background-color: var(--themeColor);
}
.line-btn{
    background-color: transparent;
    border: 1px solid var(--textBtn);
}
.text-center{
    text-align: center;
}
.text-right{
    text-align: right;
}
.text-left{
    text-align: left;
}
.text-justify{
    text-align: justify;
}
.flex{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.col-1{
    width: calc(100% / 12 * 1);
}
.col-2{
    width: calc(100% / 12 * 2);
}
.col-3{
    width: calc(100% / 12 * 3);
}
.col-4{
    width: calc(100% / 12 * 4);
}
.col-5{
    width: calc(100% / 12 * 5);
}
.col-6{
    width: calc(100% / 12 * 6);
}
.col-7{
    width: calc(100% / 12 * 7);
}
.col-8{
    width: calc(100% / 12 * 8);
}
.col-9{
    width: calc(100% / 12 * 9);
}
.col-10{
    width: calc(100% / 12 * 10);
}
.col-11{
    width: calc(100% / 12 * 11);
}
.col-12{
    width: calc(100% / 12 * 12);
}

/*RWD'S Design*/
/* Header'S Start */
header{
    width: 100%;
    height: 80px;
    line-height: 80px;
    text-align: center;
    background-color: #FFFFFF;
    position: relative;
}
header nav{
    display: none;
    background-color: #FFF;
    z-index: 50;
}
header nav ul li a{
    display: block;
}
header nav ul li:hover a{
    background-color: var(--themeColor);
    color: white;
}
header menu{
    width: 2em;
    height: 1em;
    position: absolute;
    top: calc(40px - 0.5em);
    right: 1em;
}
header menu *[class^=ham]{
    width: 100%;
    height: 2px;
    background-color: #000;
    transform-origin: 0 0;
    position: absolute;
}
.hamT{
    top: 0;
}
.hamM{
    top: calc(0.5em - 1px);
}
.hamB{
    bottom: 0;
}

/* Theme'S Design */
#theme{
    width: 100%;
    height: calc(100vh - 80px);
    overflow: hidden;
    position: relative;
}
.slide{
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}
.slide .img{
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    position: absolute;
    top: 0;
    left: 100%;
    animation: sliding 25s linear infinite;
}
.slide .img:nth-of-type(1){
    background-image: url(../images/7.PNG);
}
.slide .img:nth-of-type(2){
    background-image: url(../images/7.PNG);
    animation-delay: 5s;
}
.slide .img:nth-of-type(3){
    background-image: url(../images/7.PNG);
    animation-delay: 10s;
}
.slide .img:nth-of-type(4){
    background-image: url(../images/7.PNG);
    animation-delay: 15s;
}
.slide .img:nth-of-type(5){
    background-image: url(../images/7.PNG);
    animation-delay: 20s;
}
#theme .push{
    width: 100%;
    height: 100%;
    background-color: #00000088;
    color: #FFF;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
    padding: 45% 2em;
}
#about{
    color: var(--textColor);
}
#about .col-11{
    padding: 1em;
}
#about .col-11 i{
    color: var(--themeColor);
}
#about p{
    padding: 0.5em 0;
}
#product{
    width: 100%;
}
#product .col-12{
    background-color: var(--darkgray);
    color: var(--textBtn);
    text-align: center;
    padding: 2em;
}
#product .col-6{
    overflow: hidden;
    position: relative;
}
#product .col-6 .page{
    width: 100%;
    height: 3em;
    background-color: #00000088;
    color: #FFF;
    text-align: center;
    line-height: 3em;
    position: absolute;
    bottom: 0;
    left: 0;
}
#product .col-6 img{
    width: 100%;
    vertical-align: bottom;
}
#product-2 .col-11{
    margin: 0.5em;
    padding: 0.5em;
    color: var(--textColor);
}
#product-2 .col-11 img{
    width: 100%;
    vertical-align: bottom;
}

#service .banner{
    overflow: hidden;
    height: 50vh;
    justify-content: flex-end;
    background-image: url(../images/10.JPG);
    background-size: cover;
    background-position: center;
    color: #FFF;
}
#service .banner .col-md-6{
    height: 100%;
    background-color: #2ed2ffbd;
    padding: 12.5% 2em;
}
#contact > .col-12:nth-of-type(1){
    text-align: center;
    padding: 5em 4em;
}
#contact img{
    width: 100%;
    vertical-align: bottom;
}
#contact .col-md-4{
    position: relative;
    overflow: hidden;
}
#contact .col-md-4 .box{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    padding: 3.5em 1.5em;
    color: #FFF;
    background-image: radial-gradient(circle,#0000001c,#000000ef);
    transition: all 500ms ease;
}
#contact .col-md-4:hover .box{
    top: 0;
}
#contact > .col-12:nth-last-of-type(1){
    background-color: var(--darkgray);
    color: #AAA;
    padding: 2em;
}
#contact > .col-12:nth-last-of-type(1) .col-11{
    margin: 1em;
}
#contact > .col-12:nth-last-of-type(1) hr{
    border-color: #000;
    margin: 1em auto;
}
#contact > .col-12:nth-last-of-type(1) h3{
    padding: 2em;
    text-align: center;
}
#contact > .col-12:nth-last-of-type(1) p{
    margin-bottom: 1em;
}
#contact > .col-12:nth-last-of-type(1) table{
    width: 100%;
}
footer{
    text-align: center;
    color: #AAA;
    background-color: #222;
    padding: 2em;
}
#gotop{
    display: block;
    width: 3em;
    height: 3em;
    text-align: center;
    line-height: 3em;
    background-color: #FFFFFFDD;
    border-radius: 50%;
    box-shadow: 3px 3px 3px #888;
    position: fixed;
    right: 0.5em;
    bottom: 0.5em;
    z-index: 100;
}
#gotop:hover{
    box-shadow: 3px 3px 3px #888 inset;
    
}

@keyframes sliding{
    0%{
        left: 100%;
        z-index: 6;
    }
    4%{
        left: 0;
        z-index: 6;
    }
    20%{
        left: 0;
        z-index: 6;
    }
    24%{
        left: -100%;
        z-index: 6;
    }
    25%{
        z-index: 1;
    }
}
@media only screen and (min-width: 375px){
    .col-sm-1{
        width: calc(100% / 12 * 1);
    }
    .col-sm-2{
        width: calc(100% / 12 * 2);
    }
    .col-sm-3{
        width: calc(100% / 12 * 3);
    }
    .col-sm-4{
        width: calc(100% / 12 * 4);
    }
    .col-sm-5{
        width: calc(100% / 12 * 5);
    }
    .col-sm-6{
        width: calc(100% / 12 * 6);
    }
    .col-sm-7{
        width: calc(100% / 12 * 7);
    }
    .col-sm-8{
        width: calc(100% / 12 * 8);
    }
    .col-sm-9{
        width: calc(100% / 12 * 9);
    }
    .col-sm-10{
        width: calc(100% / 12 * 10);
    }
    .col-sm-11{
        width: calc(100% / 12 * 11);
    }
    .col-sm-12{
        width: calc(100% / 12 * 12);
    }
}
@media only screen and (min-width: 768px){
    .col-md-1{
        width: calc(100% / 12 * 1);
    }
    .col-md-2{
        width: calc(100% / 12 * 2);
    }
    .col-md-3{
        width: calc(100% / 12 * 3);
    }
    .col-md-4{
        width: calc(100% / 12 * 4);
    }
    .col-md-5{
        width: calc(100% / 12 * 5);
    }
    .col-md-6{
        width: calc(100% / 12 * 6);
    }
    .col-md-7{
        width: calc(100% / 12 * 7);
    }
    .col-md-8{
        width: calc(100% / 12 * 8);
    }
    .col-md-9{
        width: calc(100% / 12 * 9);
    }
    .col-md-10{
        width: calc(100% / 12 * 10);
    }
    .col-md-11{
        width: calc(100% / 12 * 11);
    }
    .col-md-12{
        width: calc(100% / 12 * 12);
    }
    header nav{
        width: 100%;
        display: block!important;
    }
    header nav ul{
        text-align: right;
    }
    header nav ul li{
        display: inline-block;
    }
    header nav ul li a{
        padding: 0 0.25em;
    }
    header menu{
        display: none;
    }
    #theme .push{
        padding: 20% 2em;
    }
    #product .col-6 .page{
        bottom: -3em;
        transition: all 500ms ease;
    }
    #product .col-6 img{
        filter: brightness(0.5);
        transform: scale(1);
        transition: all 500ms ease;
    }
    #product .col-6:hover .page{
        bottom: 0;
    }
    #product .col-6:hover img{
        transform: scale(1.5);
        filter: brightness(1);
    }
}
@media only screen and (min-width: 1024px){
    .col-lg-1{
        width: calc(100% / 12 * 1);
    }
    .col-lg-2{
        width: calc(100% / 12 * 2);
    }
    .col-lg-3{
        width: calc(100% / 12 * 3);
    }
    .col-lg-4{
        width: calc(100% / 12 * 4);
    }
    .col-lg-5{
        width: calc(100% / 12 * 5);
    }
    .col-lg-6{
        width: calc(100% / 12 * 6);
    }
    .col-lg-7{
        width: calc(100% / 12 * 7);
    }
    .col-lg-8{
        width: calc(100% / 12 * 8);
    }
    .col-lg-9{
        width: calc(100% / 12 * 9);
    }
    .col-lg-10{
        width: calc(100% / 12 * 10);
    }
    .col-lg-11{
        width: calc(100% / 12 * 11);
    }
    .col-lg-12{
        width: calc(100% / 12 * 12);
    }
}
@media only screen and (min-width: 1280px){
    .col-xl-1{
        width: calc(100% / 12 * 1);
    }
    .col-xl-2{
        width: calc(100% / 12 * 2);
    }
    .col-xl-3{
        width: calc(100% / 12 * 3);
    }
    .col-xl-4{
        width: calc(100% / 12 * 4);
    }
    .col-xl-5{
        width: calc(100% / 12 * 5);
    }
    .col-xl-6{
        width: calc(100% / 12 * 6);
    }
    .col-xl-7{
        width: calc(100% / 12 * 7);
    }
    .col-xl-8{
        width: calc(100% / 12 * 8);
    }
    .col-xl-9{
        width: calc(100% / 12 * 9);
    }
    .col-xl-10{
        width: calc(100% / 12 * 10);
    }
    .col-xl-11{
        width: calc(100% / 12 * 11);
    }
    .col-xl-12{
        width: calc(100% / 12 * 12);
    }
}