*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body main{
    font-size: 62.5%;
    font-family: -apple-system, BlinkMacSystemFont,"Yu Gothic Medium","Meiryo","メイリオ",sans-serif;
}

main{
    width: 70%;
    margin-top: 40px;
}

@media screen and (max-width: 900px){
    main{
        width: 100%;
        padding: 0 20px;
    }
}

main p{
    font-size: 1.4em;
    margin: 5px 0;
}

main h1{
    font-size: 3em;
}

main .index{
    display: block;
    background-color: #f3f3f3;
    width: 100%;
    border-radius: 5px;
    margin-top: 20px;
    margin-bottom: 30px;
}

main .index p{
    font-size: 1.4em;
    font-weight: bold;
    margin: 0 15px;
    padding-top: 15px;
    padding-bottom: 5px;
}

main .index ul{
    padding-left: 20px;
    font-size: 1.4em;
    margin: 0 10px;
    padding-top: 5px;
    padding-bottom: 10px;
}

main .index li{
    color: #cccccc;
    margin: 5px 0;
}

main .index li a{
    color: #00aaff;
}

main h2{
    position: relative;
    display: block;
    margin-top: 40px;
    margin-bottom: 20px;
    font-size: 1.8em;
    color: #ffffff;
    font-weight: normal;
    width: inherit;
    background-color: #00aaff;
    border-radius: 5px;
    padding: 10px 0 10px 10px;
}

main h3{
    position: relative;
    font-weight: normal;
    margin-top: 30px;
    margin-bottom: 20px;
    font-size: 1.6em;
    width: inherit;
    border-left: 2px solid #00aaff;
    padding:  5px 0 5px 10px;
}

main h4{
    position: relative;
    font-weight: bold;
    margin-top: 30px;
    margin-bottom: 10px;
    font-size: 1.5em;
    color: #00aaff;
    width: inherit;
}

main .main p{
    margin-top: 20px;
    margin-bottom: 20px;
}

main .button{
    display: block;
    text-decoration: none;
    width: 360px;
    text-align: center;
    margin-bottom: 30px;    
    border: 1px solid #00aaff;
    border-radius: 5px;
    color: #00aaff;
    font-size: 1.4em;
    padding: 10px 0;
}

main .button:link{
    color: #00aaff;
    text-decoration: none;
}

main table{
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    text-align: left;
}

main table th{
    background-color: #eeeeee;
    padding: 16px 4px;

}

main th,td{
    font-size: 1.4em;
}

main table td{
    padding: 16px 4px;
}