#mv {
    width: 100%;
    overflow: hidden;
}
#mv .video {
    position: relative;
}
#mv video {
    width: 100%;
    height: auto;
    display: block;
}
#mv .video .txt {
    width: 100%;
    color: #fff;
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translate(-50%, -10%);
    text-align: center;
}
#mv .video .txt h2 {
    font-size: 46px;
    text-align: center;
    margin-bottom: 20px;
}
#mv .video .txt p {
    font-size: 24px;
}
#mv .ai-btn {
    position: absolute;
    left: 50%;
    bottom: 5%;
    transform: translate(-50%, 5%);
    display: block;
    margin: 0 auto;
    width: 320px;
    cursor: pointer;
}
#mv .ai-btn img {
    width: 100%;
}
#mv .logo-slider {
    width: 100%;
    overflow: hidden;
    background-color: #000;
    padding: 50px 0;
}
#mv .slides {
    display: flex;
    width: max-content;
    gap: 80px;
    animation: logo-slide 30s linear infinite;
}
#mv .slides img {
    height: 60px;
    width: auto;
    flex-shrink: 0;
}

@keyframes logo-slide {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-50%);
    }
}

@media screen and (max-width: 768px) {
    #mv .video {
        height: calc(100vh - 144px);
        background-color: #000;
        display: flex;
        align-items: center;
        overflow: hidden;
    }
    #mv .video video {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center center;
    }
    #mv .video .txt {
        z-index: 100;
    }
    #mv .video .txt h2 {
        font-size: 24px;
        margin-bottom: 10px;
    }
    #mv .video .txt p {
        font-size: 14px;
    }
    #mv .ai-btn {
        z-index: 100;
    }
    #mv .ai-btn a {
        width: 240px;
    }
    #mv .logo-slider {
        padding: 20px 0;
    }
    #mv .slides {
        gap: 40px;
        animation: logo-slide 20s linear infinite;
    }
    #mv .slides img {
        height: 40px;
    }
}

#mv-works,
#ip-service,
#mv-pickup {
    padding: 120px 0;
}

#mv-works,
#mv-pickup {
    background-color: #050505;
    color: #fff;
}
#mv-works h2,
#ip-service h2,
#mv-pickup h2 {
    font-family: "Barlow", sans-serif;
    font-size: 48px;
    line-height: 1;
    letter-spacing: 0.08em;
    text-align: center;
}
#mv-works h2 {
    margin-bottom: 60px;
}
#ip-service h2,
#mv-pickup h2 {
    margin-bottom: 120px;
}
#mv-works .archives,
#ip-service .links {
    display: grid;
    grid-template-columns: repeat(3, 320px);
    justify-content: space-between;
}
#mv-works .archives article,
#ip-service .links .item {
    width: 320px;
    margin: 0;
}
#mv-works .archives article:nth-child(3n),
#ip-service .item:nth-child(3n) {
    margin-right: 0;
}
#mv-works .archives article img {
    width: 320px;
    height: 320px;
    aspect-ratio: 1;
    object-fit: cover;
    margin-bottom: 0;
    border-radius: 0;
}
#mv-works .archives article h3 {
    margin-top: 20px;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 20px;
    line-height: 32px;
    color: #fff;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
@media screen and (max-width: 768px) {
    #mv-works,
    #ip-service,
    #mv-pickup {
        padding: 60px 0;
    }
    #mv-works,
    #mv-pickup {
        background-color: transparent;
        color: inherit;
    }
    #mv-works h2,
    #ip-service h2,
    #mv-pickup h2 {
        font-size: 24px;
        margin-bottom: 60px;
    }
    #mv-works .archives article,
    #ip-service .links .item {
        width: 48%;
        margin-right: 4%;
        margin-bottom: 20px;
    }
    #mv-works .archives,
    #ip-service .links {
        display: flex;
        flex-wrap: wrap;
        column-gap: 0;
        row-gap: 0;
    }
    #mv-works .archives article img {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 9;
        margin-bottom: 10px;
        border-radius: 10px;
    }
    #mv-works .archives article:nth-child(3n),
    #ip-service .item:nth-child(3n) {
        margin-right: 4%;
    }
    #mv-works .archives article:nth-child(2n),
    #ip-service .item:nth-child(2n) {
        margin-right: 0;
    }
    #mv-works .archives article h3 {
        font-size: 16px;
        color: inherit;
    }
}

#ip-service {
    background-color: #EDF1F2;
}
#ip-service .block {
    margin-top: 60px;
}
/* 常に3カラム。折り返しはせず、カラム幅と余白が可変で縮む */
#ip-service .links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    justify-content: initial;
}
#ip-service .links .item {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
}
/* ロゴは300×90のボックスに contain で統一 */
#ip-service .links .item img {
    display: block;
    width: 100%;
    height: 90px;
    object-fit: contain;
    object-position: center;
    margin: 0 auto 60px;
}
#ip-service .links .item a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 50px;
    margin: 0 auto;
    border-radius: 0;
    color: #fff;
    background-color: #000;
    padding: 0;
    text-align: center;
    font-family: "Barlow", sans-serif;
    font-size: 15px;
    letter-spacing: 0.16em;
    font-weight: bold;
}

#ip-service .links {
    /* コンテナ幅1180pxで約100px。幅が狭まると比例して縮むので崩れない */
    column-gap: 8.5%;
    row-gap: 120px;
}
@media screen and (max-width: 768px) {
    #ip-service .block {
        background-color: #EDF1F2;
    }
    /* SPも3カラムを維持 */
    #ip-service .links {
        display: grid;
        grid-template-columns: repeat(1, minmax(0, 1fr));
        row-gap: 40px;
    }
    #ip-service .links .item img {
        width: 100%;
        height: 90px;
        margin: 0 auto 16px;
    }
    #ip-service .links .item a {
        font-size: 15px;
        width: 100%;
    }
}

/* 2カラムを subgrid で同じ行に載せ、h3が折り返しても
   画像以下の要素が左右で必ず揃うようにする */
#mv-pickup .flex {
    display: grid;
    grid-template-columns: repeat(2, 48%);
    grid-template-rows: auto auto auto 1fr auto;
    justify-content: space-between;
}
#mv-pickup .flex .item {
    width: auto;
    display: grid;
    grid-row: 1 / -1;
    grid-template-rows: subgrid;
}
#mv-pickup .flex .item img {
    width: 100%;
}
/* subgrid 非対応ブラウザ向けフォールバック（h3を2行分確保） */
@supports not (grid-template-rows: subgrid) {
    #mv-pickup .flex .item h3 {
        min-height: 96px;
    }
}
#mv-pickup .flex .item h3 {
    margin-bottom: 60px;
    font-family: "Barlow", sans-serif;
    font-size: 30px;
    line-height: 48px;
}
#mv-pickup .flex .item img {
    margin-bottom: 60px;
}
#mv-pickup .flex .item h4 {
    font-family: "Barlow", "Noto Sans JP", sans-serif;
    font-size: 20px;
    line-height: 32px;
    color: #fff;
}
#mv-pickup .flex .item p {
    text-align: justify;
    margin-top: 30px;
    margin-bottom: 60px;
    font-family: "Barlow", "Noto Sans JP", sans-serif;
    font-size: 15px;
    line-height: 30px;
    color: #fff;
}
#mv-pickup .flex .item a {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    margin-top: auto;
    color: #050505;
    text-align: center;
    padding: 0;
    width: 300px;
    height: 50px;
    font-family: "Barlow", sans-serif;
    font-size: 15px;
    letter-spacing: 0.16em;
    font-weight: bold;
    background-color: #fff;
}
@media screen and (max-width: 768px) {
    /* SPでは1カラムなので subgrid を解除してブロック積みにする。
       grid のままだと 1fr トラックが全幅画像(100vw)で膨らみ、
       Safari で横はみ出しが起きる */
    #mv-pickup .flex {
        display: block;
        grid-template-columns: none;
        grid-template-rows: none;
        justify-content: normal;
    }
    #mv-pickup .flex .item {
        width: 100%;
        min-width: 0;
        margin-bottom: 40px;
        display: flex;
        flex-direction: column;
        grid-row: auto;
        grid-template-rows: none;
    }
    #mv-pickup .flex .item h3 {
        min-height: 0;
    }
    #mv-pickup .flex .item h3 {
        font-size: 20px;
        margin-bottom: 10px;
    }
    #mv-pickup .flex .item img {
        width: 100vw;
        max-width: 100vw;
        min-width: 0;
        margin-left: calc(50% - 50vw);
        margin-bottom: 20px;
    }
    #mv-pickup .flex .item h4 {
        font-size: 18px;
        margin-bottom: 10px;
        color: inherit;
    }
    #mv-pickup .flex .item p {
        font-size: 14px;
        margin-top: 0;
        margin-bottom: 15px;
        color: inherit;
    }
    #mv-pickup .flex .item a {
        width: 100%;
        height: auto;
        padding: 10px 0;
        color: #fff;
        background-color: #6C6D70;
    }
}