html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}

.background{
    background-image: url(./img/back.png);
    background-size: cover;
    background-repeat: no-repeat;
    min-height: 100vh;
    position: relative;
}
.container{
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
}

.lt-point{
    position: absolute;
    top: 0%;
    left: 0%; 
    width: 10%;
    z-index: 1;
}
.rt-point{
    position: absolute;
    top: 0%;
    right: 0%; 
    width: 15%;
    z-index: 1;
}
.lm-point{
    position: absolute;
    top: 40%;
    left: 0%; 
    width: 15%;
    z-index: 1;
}
.rm-point{
    position: absolute;
    top: 40%;
    right: 0%; 
    width: 10%;
    z-index: 1;
}

.spacer-header{
    width: 100%;
    height: 120px;
}

.main{
    max-width: 100%;
}
.main-logo{
    padding: 0 25%;
    padding-bottom: 10px;
}
.main-logo img{
    display: block;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding-bottom: 20px;
}

.btn-container{
    display: flex;
    flex-direction: column;
    gap: 10px ;
    padding: 0 10%;
}

.main-btn{
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
}
.main-btn img{
    display: block;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}
.main-footer img{
    display: block;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}
.main-btn:hover{
    transform: scale(0.95);
}

.spacer-footer{
    width: 100%;
    height: 60px;
}

@media (max-width: 600px){
.background{
    background-image: url(./img/m-background.png);
}

.lt-point{
    width: 30%;
}
.rt-point{
    width: 30%;
}
.lm-point{
    width: 25%;
}
.rm-point{
    width: 25%;
}
}