.mam {
    font-family: "Open Sans";
    font-size: 20px;
    text-align: center;
}
.mam h1 {
    margin: 0px;
    font-size: 28px;
    font-weight: bold;
    padding-top: 74px;
}
.mam h2 {
    font-size: 20px;
    margin: 0px;
    font-size: 28px;
    font-weight: bold;
}
.mam h3 {
    margin: 0px;
    font-size: 20px;
    font-weight: 600;
}
.mam .logo  {
    width: 400px;
    height: 400px;
    margin: 0px auto;
    display: block;
}
.mam .sns-icons {
    padding-top: 89px;
}
.mam .contact-bt {
    margin-bottom: 92px;
}
.mam .description {
    position: relative;
    font-size: 16px;
    text-align: left;
    padding-left: 106px;
    padding-right: 106px;
}
.mam .description ul {
    font-size: 20px;
    font-weight: 500;
    padding-left: 30px;
    padding-bottom: 20px;
}
.mam .art {
    position: absolute;
    width: 300px;
    height: 300px;
    top: 50px;
    right: 145px;
    box-shadow: 0px 10px 20px rgba(0, 0, 0, 0.25);
}
.mam .description.right {
    text-align: right;
    padding-top: 101px;
}