/* ========================================
   ディップコーター動画
======================================== */

#dip-coater-video {
    background: #fff;
    color: #222;
}

#dip-coater-video .inner {
    width: calc(100% - 60px);
    max-width: 1200px;
    margin: 0 auto;
}


/* ----------------------------------------
   INTRO
---------------------------------------- */

.video-intro {
    padding: 90px 0 65px;
}

.video-intro h1 {
    margin: 0 0 30px;
    font-size: 40px;
    line-height: 1.4;
    font-weight: 600;
}

.video-intro .lead {
    margin: 0 0 15px;
    font-size: 20px;
    line-height: 1.8;
    font-weight: 500;
}

.video-intro p {
    max-width: 850px;
    margin: 0;
    font-size: 16px;
    line-height: 2;
}


/* ----------------------------------------
   VIDEO LIST
---------------------------------------- */

.video-list {
    padding: 0 0 100px;
}

.video-list h2 {
    margin: 0 0 45px;
    padding-bottom: 15px;
    border-bottom: 1px solid #ddd;
    font-size: 28px;
    line-height: 1.5;
    font-weight: 600;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px 30px;
}


/* ----------------------------------------
   VIDEO ITEM
---------------------------------------- */

.video-item {
    margin: 0;
}

.video-frame {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
    background: #000;
}

.video-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.video-item h3 {
    margin: 18px 0 10px;
    font-size: 18px;
    line-height: 1.6;
    font-weight: 600;
}

.video-item p {
    margin: 0;
    font-size: 14px;
    line-height: 1.8;
    color: #555;
}


/* ----------------------------------------
   YOUTUBE
---------------------------------------- */

.youtube-link {
    margin-top: 65px;
    text-align: center;
}

.youtube-link a {
    display: inline-block;
    padding: 14px 32px;
    border: 1px solid #222;
    color: #222;
    font-size: 15px;
    text-decoration: none;
    transition:
        background-color 0.3s,
        color 0.3s;
}

.youtube-link a:hover {
    background: #222;
    color: #fff;
}


/* ========================================
   TABLET
======================================== */

@media screen and (max-width: 900px) {

    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}


/* ========================================
   SMARTPHONE
======================================== */

@media screen and (max-width: 600px) {

    #dip-coater-video .inner {
        width: calc(100% - 40px);
    }

    .video-intro {
        padding: 55px 0 45px;
    }

    .video-intro h1 {
        margin-bottom: 20px;
        font-size: 30px;
    }

    .video-intro .lead {
        font-size: 18px;
    }

    .video-list {
        padding-bottom: 60px;
    }

    .video-list h2 {
        margin-bottom: 30px;
        font-size: 24px;
    }

    .video-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .youtube-link {
        margin-top: 45px;
    }

}