body {
    font-family: "Noto Sans JP", sans-serif;
}

#Lead {
    padding: 0;
}

#Lead span {
    display: block;
    width: 100%;
    padding: 10px;
    text-align: center;
    font-size: 23px;
}

#Lead p {
    text-align: center;
    font-size: 16px;
    padding: 30px 0;
}

@media screen and (max-width: 768px) {
    #Lead span {
        padding: 10px 24px;
        font-size: 19px;
        text-align: left;
    }

    #Lead p {
        padding: 15px 24px;
        text-align: left;
    }
}

.ttl {
    font-size: 32px;
    text-align: center;
    background: linear-gradient(319deg, black, #131313);
    padding: 10px;
}

@media screen and (max-width: 768px) {
    .ttl {
        font-size: 24px;
    }
}

#Inhouse-system {
    margin-top: 30px;
    padding: 80px 0;
}

#Inhouse-system ul {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

@media screen and (max-width: 768px) {
    #Inhouse-system {
        padding: 30px 0;
    }

    #Inhouse-system ul {
        gap: 30px;
    }
}

ul#Usecase {
    gap: 3.4722222222vw;
}

.row {
    display: flex;
    flex-direction: row;
}

.row-rev {
    display: flex;
    flex-direction: row-reverse;
}

#Inhouse-system ul li {
    justify-content: space-between;
}

#Inhouse-system ul li div {
    width: calc(100% / 2.1);
}

#Inhouse-system ul li div {
    width: calc(100% / 2.1);
}

#Inhouse-system ul li .system-box-txt h4 {
    font-size: 24px;
}

#Inhouse-system .under-def__inner {
    margin-top: 80px;
}

#Inhouse-system .system-box-txt p {
    margin-top: 30px;
}

@media screen and (max-width: 768px) {
    ul#Usecase {
        gap: 30px;
    }

    #Inhouse-system .under-def__inner {
        margin-top: 30px;
    }

    .row {
        flex-direction: column-reverse;
    }

    .row-rev {
        flex-direction: column-reverse;
    }

    #Inhouse-system ul li div {
        width: 100%;
    }

    #Inhouse-system ul li .system-box-txt h4 {
        margin-top: 15px;
        font-size: 18px;
    }

    #Inhouse-system .system-box-txt p {
        margin-top: 15px;
    }
}