body{
    margin: 0px;
    padding: 0;
    background-color: black;
}

.header{
  width: 100%;
  height: auto;
  background-color: black;
  color: red;
  font-weight: bold;
  font-size: 24px;
  text-align: center;
  padding-top: 20px;
  padding-bottom: 10px;
  margin: 0px;
}
.subheader{
  font-size: 14px;
  text-align: center;
  color: red;
  margin-top: -10px;
}

.firstview{
  height: 100vh;
  position: relative;
  }

  .video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
  }
  
  video {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .contents{
    max-width: 680px;
    margin: 80px auto 100px auto;
    line-height: 1.8;
    background: rgba(255,255,255,0.85);
    padding: 20px;
    border-radius: 10px;
    background-color: transparent;
    color: white;
  }

  .title,
  .title2,
  .title3,
  .title4{
    font-size: 24px;
    border-bottom: 2px solid red;
    padding-top: 50px;
    padding-bottom: 10px;
    margin-top: 0;
    margin-bottom: 30px;
    text-align: center;
  }

  .video {
    width: 100%;
    height: 380px;
    margin: 30px 0;
  }

  .warning {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 30px 0;
  }
  
  .warning img {
    max-width: 100%;
    height: auto;
    display: block;
  }

  .link{
    background-color: black;
    padding: 30px;
    border-radius: 10px;
    margin-top: 80px;
    position: relative;
    text-align: center;
    border: 2px solid red;
}

.link a{
  color: white;
}
  
  .mnet{
    width: 100%;
    height: 380px;
  }

  .group {
    width: 130%;
    max-width: none;
    margin-left: -15%;
    display: block;
    padding-bottom: 20px;
  }

  .members {
    display: flex;
    justify-content: center;
    gap: 20px;
    width: 680px;
    margin: 0 auto;
  }
  
  .member {
    width: calc((680px - 20px) / 2);
    cursor: pointer;
  }

  .img-wrap {
    width: 100%;
    aspect-ratio: 3 / 4;
    position: relative;
    overflow: hidden;
    border-radius: 5px;
  }
  
  .img-wrap img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
    border-radius: 5px;
  }

  .img-wrap img.hover {
    opacity: 0;
  }
  
  .img-wrap:hover img.hover {
    opacity: 1;
  }
  
  .img-wrap:hover img.normal {
    opacity: 0;
  }
  
  .name {
    margin-top: 10px;
    font-weight: bold;
    font-size: 16px;
  }
  
  .birthday {
    font-size: 14px;
    margin-top: 4px;
  }