.c-heading-3 h3.c-heading-3__heading {
        font-size: 20px;
}
.p-panel-banner-02 h3.c-heading-3__heading {
        font-size: 30px;
}

@media screen and (max-width: 767px) {
        .c-heading-3 h3.c-heading-3__heading {
                font-size: 18px;
        }
        .p-panel-banner-02 h3.c-heading-3__heading {
                font-size: 24px;
        }
}