.about-power ul {
    display: flex;
    flex-wrap: wrap;
}
.about-power ul li {
    width: 25%;
    text-align: center;
    border-right: 1px solid #f1f1f1;
}
.about-power ul li:last-child {
    border-right: none;
}
.about-power ul li h3 {
    font-size: 2.5rem;
    margin: 20px 0;
}
.about-power ul li h3 sup {
    font-size: 0.8rem
}

@media (max-width: 480px) {
    .about-power ul li {
        width: 50%;
    }
    .about-power ul li:nth-child(2n) {
        border-right: none;
    }
}



.about-video {
    position: relative;
    cursor: pointer;
    overflow: hidden;
    border-radius: 15px;
}
.about-video img {
    transition: all .3s;
}
.about-video:hover img {
    transform: scale(1.1);
}

.about-video .play-icon {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 1;
    transform: translateX(-50%) translateY(-50%);
    aspect-ratio: 1 / 1;

    font-size: 60px;
    color: #fff;

    cursor: pointer;
}