section.effort.end {
    background-color: #cbd8dd;
    margin: unset;
}
.end_HBD {
    max-width: 1200px;
    margin: 0 auto;
}
.t-l {
    text-align: left;
}
.pt-2{
    padding-top: 2%;
}
br.pc-non {
    display: none;
}
.HBD {
    display: flex;
    align-items: center;
    margin-top: 20px;
}
.HBD .a_img {
    width: 40%;
}
.HBD img {
    width: 100%;
    height: auto;
}
.HBD p {
    padding: 0 0 0 2%;
    text-align: left;
}
@media screen and (max-width: 669px) {
    section.effort {
        display: flex;
        flex-wrap: wrap;
        margin: 0 10%;
    }
    br.pc-non {
        display: block;
    }
    .HBD {
        display: flex;
        align-items: center;
        flex-direction: column;
        margin-top: 20px;
    }
    .HBD .a_img {
        width: 100%;
    }
    .HBD img {
        width: 100%;
        height: auto;
    }
}