/*メイン*/
body { 
    background: white; 
    color: rgba(0,0,0,0.87); 
    font-family: Roboto, Helvetica, Arial, sans-serif; 
    margin: 0; 
    padding: 0; 
}
#main { 
    background: white; 
    max-width: 1000px; 
    margin: 16px auto ; 
    padding: 32px 24px; 
    border-radius: 3px; 
}
#main h1 {
    color:rgb(99, 99, 99);
    font-size: 24px;
    margin-top: 0px;
}
#main h2 {
    position: relative;
    margin-bottom: 0.2rem;
    padding: 0.2rem 0;
    border-bottom: 2px solid;
    color: rgb(99, 99, 99);
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 25px;
}

#main h2::before {
    position: absolute;
    bottom: -0.3rem;
    left: 0rem;
    right: 0rem;
    border-bottom: 1px solid;
    content: '';
}
#main a,p {padding-left: 20px;}
#main a {
    line-height: 2.5em;
}

#main a.btn {
    font-size: 18px;
    width:13em;
    position: relative;
    display: inline-block;
    color: #333;
    text-decoration: none;
}
#main a.btn::after {
    content: '';
    width: 6px;
    height: 6px;
    border: 0;
    border-top: solid 2px #333;
    border-right: solid 2px #333;
    position: absolute;
    top: 50%;
    right: 0;
    margin-top: -4px;
    transform: rotate(45deg);
}
p { line-height: 140%; margin: 4px 0 4px; font-size: 16px; }