.banner {
    height: 100vh;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative
}
.banner-title {
    position: absolute;
    bottom: 47%;
    color: #fff;
    text-align: center;
    width: 100%;
}
.banner-title p{font-size:1.5rem}
.banner-title h2{font-size:4rem}
.book-box{position:relative;background:#f9f9f9}
.book {
    background: #fff;
    width: 50%;
    margin: auto;
    padding: 5rem 0;
    text-align: center;
    color: #be9562;
}
.book-desc {
    font-size: 1.75rem;
    margin-bottom: 2rem;
}
.desc {
    margin-top: 3rem;
    font-size: var(--small-font-size);
    line-height: 1.75;
}
.section {
    text-align: center;
    padding-top: 5rem;
    background: #f9f9f9;
}
.section-title {
    font-size: 2rem;
    font-weight: bold;
}
.section-desc{margin-top:1rem}
.sign {
    font-size: var(--main-font-size);
    margin-top: 3rem;
}
.sign span {
    margin-right: 3rem;
}
.sign span:not(:last-child)::after{
    content: "";
    display: inline-block;
    height: 1.75rem;
    width: 1px;
    vertical-align: middle;
    background: #fff;
    margin-left: 3rem;
}
.skill{margin-top: 5rem;}
.skill-box{position:relative;line-height:0}
.skill-c {
    color: #fff;
    height: 100%;
    position: absolute;
    width: 100%;
    left: 0;
    display: flex;
    top: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.skill-c strong{    
    font-size: 3rem;
    line-height: 1.75;
    display: block;
}
.skill-box>img{width:100%}
.skill-c strong span {
    font-size: 3.5rem;
    line-height: 1.5;
    vertical-align: top;
}