.sp-1-list {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
}

.sp-1-item {
    position: relative;
    width: calc(33.333% - 64px / 3);
}

.sp-1-item:after {
    content: '';
    display: block;
    padding-top: 70%;
}

.sp-1-item img {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    width: 100%;
    height: 100%;
}

.sp-1 .main-btn-3 {
    margin-left: auto;
    margin-right: auto;
    margin-top: 40px;
}

.sp-1+.m-9 {
    padding-top: 0;
}

@media screen and (max-width: 992px) {
    .sp-1-item {
        width: calc(50% - 32px / 2);
    }
}

@media screen and (max-width: 767px) {
    .sp-1-item {
        width: 100%;
    }

    .sp-1-list {
        gap: 16px;
    }
}