.movies {
    width: 100%;
    margin: 0 auto;
}
.movie_box a {
    position: relative;
    display: block;
}
.movie_box a::after {
    display: block;
    content: "";
    background-image: url('../images/img_play.png');
    background-repeat: no-repeat;
    background-size: 20%;
    background-position: center center;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
.movies .movie_box a {
    width: 100%;
    font-size: 15px;
    margin-bottom: 15px;
}
/* 動画モーダルの背景が動かないように */
.modal-video {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    align-items: center;
    width: 100%;
    height: 100vh;
    overscroll-behavior: contain;
    overflow-y: scroll;
    scrollbar-width: none;
    -ms-overflow-style: none;
    touch-action: none;
  }
  .modal-video::before,
  .modal-video::after {
    content: "";
    width: 1px;
    height: calc(100vh + 1px);
    display: flex;
  }
  .modal-video::-webkit-scrollbar {
    display: none;
  }