.main-bg-color {
    background-color: #C22F4D;
}
.sub-bg-color {
    background-color: #F8CF4F;
}
.main-block {
    width: 78%;
    max-width: 1065px;
    margin: 0 auto;
}

.bg-default {
    position: relative;
    padding: 220px 0 20px;
}
.bg-default::before {
    content:"";
    z-index: 1;
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height: 100%;
    max-height: 220px;
}
.bg-default::after {
    content:"";
    position:absolute;
    z-index: 2;
    top:0;
    left:0;
    width:100%;
    height: 100%;
    max-height: 220px;
}
.yellow {
    background-color: #FEF9E6;
}
.brown {
    background-color: #F9F6EF;
}
.white {
    background-color: #fff;
}
.bg-default.yellow::after{
    background: url("../img/wave-yw.png") no-repeat left top / 100% 100%;
}
.bg-default.yellow::before{
    background: #fff no-repeat left top / 100% 100%;
}
.bg-default.brown::after{
    background: url("../img/wave-yw.png") no-repeat left top / 100% 100%;
}
.bg-default.brown::before{
    background: #FEF9E6 no-repeat left top / 100% 100%;
}
.bg-default.brown::after{
    background: url("../img/wave-br.png") no-repeat left top / 100% 100%;
}
.bg-default.white::before{
    background: #FEF9E6 no-repeat left top / 100% 100%;
}
.bg-default.white::after{
    background: url("../img/wave-wh.png") no-repeat left top / 100% 100%;
}

#preparation {
    padding-bottom: 80px;
}
#preparation .card {
    border-radius: 30px;
    background-color: #fff;
    padding: 65px 50px;
}
#preparation .card h2 {
    font-size: 30px;
    margin-bottom: 40px;
    font-weight: bold;
}
#preparation .card p {
    line-height: 2.1;
    font-size: 18px;
}

@media screen and (max-width: 768px) {
    .main-block {
        width: calc(100% - 40px);
    }
    .bg-default {
        position: relative;
        padding: 110px 0 20px;
    }
    .bg-default::before {
        max-height: 60px;
    }
    .bg-default::after {
        max-height: 60px;
    }
    #preparation .card {
        border-radius: 30px;
        padding: 30px 25px;
    }
    #preparation .card h2 {
        font-size: 18px;
        margin-bottom: 20px;
    }
    #preparation .card p {
        line-height: 2.1;
        font-size: 14px;
    }
}