body{
    background-color: #faebd7;
    width: 960px;
    margin: auto;
}

header{
    color: #656663;
}

header .row{
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    margin: 0 auto;
    max-width: 1280px;
    padding: 20px 0;
}
header .logo{
    font-size: 40px;
    font-weight: 700;
    color: #ff6347;
}
header nav ul{
    display: flex;
}
header nav ul li{
    margin-left: 60px;
}
header nav ul li a{
    transition: .2s ;
}
header nav ul li a:hover{
    opacity: 0.6;
}
.year{
    font-size: 30px;
    font-weight: bold;
}
main pre{
     
    font-size: 20px ;      
    font-weight: 200 ;      
}
.container .service{
    text-align: center;
}
.container .service .title{
    font-weight: bold;
    font-size: 20px;
    margin-top: 5px;
    margin-bottom: 30px;
    color: #696969;
}
.container .block1{
    display: flex;
    justify-content: space-between;
}
.service img{
    margin-top: 30px;
    width: 300px;
    height: 300px;
}


@media screen and (max-width: 1200px) {
    .main_visual .container {
        max-width: 90%;
    }

    header .row {
        width: 100%;
    }

    header nav ul li {
        margin-left: 20px;
    }

    header .logo {
        font-size: 24px;
    }

    .main_visual p {
        font-size: 24px;
    }
}

@media screen and (max-width: 768px) {
    header .row {
        flex-direction: column;
        align-items: flex-start;
    }

    header .logo {
        font-size: 40px;
    }

    header nav ul {
        display: block;
    }

    header nav ul li {
        margin-left: 0;
        margin-bottom: 10px;
    }

    .main_visual p {
        font-size: 20px;
    }

    .main_visual .container {
        height: 400px;
    }
}

@media screen and (max-width: 480px) {
    header .logo {
        font-size: 18px;
    }

    .main_visual p {
        font-size: 18px;
    }

    .main_visual .container {
        height: 300px;
    }
}