.caution {
    margin-bottom: 80px;
}
.caution h2 {
    font-size: 1.375em;
    font-weight: bold;
    color: #cc0000;
    line-height: 1.5;
    text-align: center;
    margin-bottom: 20px;
}
.caution .box {
    width: 100%;
    margin-bottom: 40px;
    padding: 30px 30px 15px;
    border-radius: 10px;
    background-color: rgba(204, 0, 0, 0.1);
}
@media only screen and (max-width: 768px) {
    .caution h2 {
        font-size: 1.25em;
    }
    .caution .box {
        padding: 15px 15px 15px;
    }
}
@media only screen and (max-width: 640px) {
    .caution h2 {
        text-align: left;
    }

}