.maxW600 {
    max-width: 600px;
    margin: 0 auto !important;
}

.maxW688 {
    max-width: 688px;
    margin: 0 auto !important;
}

.bg-black {
    background-color: #000;
}

.txtColor-lightgreen {
    color: #85dec9;
}

h3.font-sizeChange {
    font-size: 24px;
}

@media (max-width: 767px) {
    .hidden-pc {
        display: inline;
    }

    .text-left-sp {
        text-align: left !important;
    }

    h3.font-sizeChange {
        font-size: 20px;
    }

    .maxW600 .paragraph,
    .maxW688 .paragraph,
    h2,
    h3 {
        width: 100%;
        padding-right: 3%;
        padding-left: 3%;
    }
}