.grade-sentence-section{text-align:center;color:var(--color-navy);background:#f6faf7;padding:20px}.section-title{font-size:var(--size-m);font-family:var(--font-Paperlogy-8ExtraBold);margin-bottom:20px}.sentence{line-height:1.8;font-size:clamp(var(--size-m),4vw,var(--size-l))}.sentence strong{font-family:var(--font-Pretendard-Bold)}.sentence select{font-size:clamp(var(--size-s),4vw,var(--size-m));font-family:var(--font-Pretendard-Bold);background-color:#fff;border-radius:6px;margin:0 .25rem;padding:.25rem .5rem}.calc-btn{color:#fff;cursor:pointer;background-color:#468f6c;border:none;border-radius:12px;margin-top:1rem;padding:.6rem 1.5rem;font-size:1rem;transition:background .25s,transform .25s}.calc-btn:hover{background-color:#3a7f60;transform:translateY(-1px)}.result{font-size:var(--size-l);color:#156140;margin-top:1rem;display:block}
.youtube-embed-section{background-color:#f9f9f9;width:100%;padding:40px 0}.youtube-embed-wrapper{max-width:700px;margin:0 auto;padding:0 16px}.youtube-embed-container{width:100%;height:0;margin:0 auto;padding-bottom:56.25%;position:relative;overflow:hidden}.youtube-embed-container iframe{width:100%;height:100%;position:absolute;top:0;left:0}