.maindesign .p-feature-col {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.maindesign .p-feature-col--txt {
    width: 55%;
}
.maindesign .p-feature-col--img {
    width: 40%;
}

@media screen and (max-width:767px) {
    .maindesign .p-feature-col {
        flex-wrap: wrap;
    }
    .maindesign .p-feature-col--txt {
        width: 100%;
        order: 2;
        margin-top: 15px;
    }
    .maindesign .p-feature-col--img {
        width: 100%;
        order: 1;
    }
}

.maindesign .p-toic-tertiary {
    font-size: 1.2rem;
    font-weight: bold;
}

@media screen and (max-width:767px) {
    .maindesign .p-toic-tertiary {
        font-size: 1.0rem;
    }
}

.maindesign .p-topic-quaternary {
    font-size: 1.2rem;
}

@media screen and (max-width:767px) {
    .maindesign .p-topic-quaternary {
        font-size: 1.0rem;
    }
}


.maindesign .p-youtube {
	width: 100%;
    aspect-ratio: 16 / 9;
}
.maindesign .p-youtube iframe {
	width: 100%;
    height: 100%;
}


.maindesign .p-numbering {
    display: flex;
    font-feature-settings: "palt";
}
.maindesign .p-numbering--tag {
    width: 1.5em;
}
.maindesign .p-numbering--lead {
    width: calc(100% - 1.5em);
}