#usage {
    padding: 60px 0;
}
#usage .m-ttl {
    text-align: center;
    margin-bottom: 60px;
}
#usage h2 {
    color: #151A8C;
    font-size: 3.6rem;
    line-height: 1.5;
    margin-bottom: 20px;
}
#usage .m-ttl p {
    color: #151A8C;
    font-weight: bold;
}
#usage .block {
    width: 85%;
    max-width: 1200px;
    margin: auto;
}
#usage .block .item {
    margin-bottom: 40px;
}
#usage .block .item h2 {
    text-align: center;
}
#usage .block .item h3 {
    font-weight: bold;
    font-size: 2.4rem;
    margin-bottom: 20px;
    color: #151A8C;
}
#usage .block .item h4 {
    font-weight: bold;
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: #151A8C;
}
#usage .block .item p,
#usage .block .item li {
    line-height: 2;
}

#usage .block .item li a,
#usage .block .item p a {
    text-decoration: underline;
    color: #151A8C;
}
#usage .block .item h3 {
    font-size: 2.4rem;
    font-weight: bold;
    border-left: 3px solid #151A8C;
    padding-left: 10px;
    margin-bottom: 10px;
    color: #333;
}
#usage .block .item img {
    margin-top: 20px;
    width: 180px;
}
#usage .block .item table {
    margin-top: 20px;
    border-collapse: collapse;
}
#usage .block .item th {
    text-align: left;
    vertical-align: top;
    padding: 10px;
    border: 1px solid #333;
}
#usage .block .item td {
    text-align: left;
    padding: 10px;
    vertical-align: top;
    border: 1px solid #333;
}
#usage .block .item td:first-child {
    width: 150px;
}
#usage .block .item .sp_image img {
    width: 300px;
}

@media screen and (max-width: 768px) {
    #usage {
        padding-top: 0;
        padding-bottom: 0px;
    }
    #usage .m-ttl h2 {
        font-size: 2.6rem;
    }
    #usage .block .item h2 {
        font-size: 2.4rem;
    }
    #usage .block .item h3 {
        font-size: 2.0rem;
    }
    #usage .block .item h4 {
        font-size: 1.6rem;
    }
    #usage .block .item table {
        display: flex;
    }
    #usage .block .item tr {
        flex-direction: column;
    }
}