.return {
    color: #262222;
    font-size: 1rem;
    animation: blink 1s infinite alternate;
    margin-bottom: 1rem;
    /* 点滅アニメーション */
    transition: opacity 0.5s;
}

.work-page-3-main {
    margin-bottom: 20%;
}

.work-page-3-main {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.youtube-container {
    position: relative;
    width: 100%;
    /* 親要素の幅いっぱいに */
    max-width: 800px;
    /* 最大幅を指定（調整可能） */
    aspect-ratio: 16 / 9;
    /* 16:9 の比率を維持 */
}

.youtube-container iframe {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.work-page-3-sentence {
    margin-left: 5%;
}

.work-page-3-sentence h4 {
    margin-bottom: 1rem;
    margin-top: 2rem;
}

.work-page-3-sentence p {
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.work-page-3-link a {
    /* 点滅アニメーション */
    animation: blink 1s infinite alternate;
}

@keyframes blink {
    0% {
        opacity: 1;
    }

    /* 完全に表示 */
    100% {
        opacity: 0.3;
    }

    /* 透明度を下げる */
}

.work-page-3-sentence img {
    width: 10%;
    min-width: 50px;
    max-height: 70px;
    margin-right: 1rem;
}