.center-sticky{position:sticky;top:calc(50vh - 400px + (var(--gap-main) * 2))}.up-sticky{position:sticky;top:var(--gap-main)}.side-ad{width:90%;max-width:400px;margin:0 auto;overflow:hidden}.side-ad img{transition:0.2s;transform-origin:center bottom}.side-ad img:hover{transform:scale(1.05)}.choice-ad-wrapper{border-radius:var(--gap-small);box-shadow:0 0 2px var(--box-shadow-light);overflow:hidden}.choice-ad-link{display:block}.choice-ad-img{display:block;width:100%}.choice-ad-title{display:flex;justify-content:center;align-items:center;padding:var(--gap-small);font-size:var(--size-p);font-weight:bold}