.div-block {
  width: 100%;
  height: 100%;
}

.youtube {
  height: 100%;
  min-height: 100%;
  background-size: cover;
}

.mainimg {
  position: relative;
  clear: both;
}

.main {
  position: static;
}

.logo {
  position: absolute;
  left: 5%;
  top: auto;
  right: 0%;
  bottom: -10%;
  width: 960px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.image {
  position: static;
  left: auto;
  top: 0%;
  right: 0%;
  bottom: 0%;
  width: auto;
}

.contents {
  width: 894px;
  margin-top: 54px;
  margin-right: auto;
  margin-left: auto;
  padding-bottom: 0px;
}

.h2-title {
  margin-bottom: 57px;
  font-family: Montserrat, sans-serif;
  color: #2a3f5e;
  font-size: 48px;
}

.honbun {
  margin-bottom: 27px;
  font-family: 'Open Sans', sans-serif;
  color: #2a3f5e;
  font-size: 16px;
  line-height: 27px;
}

.content {
  margin-bottom: 91px;
}

.guestset {
  grid-column-gap: 27px;
  grid-row-gap: 27px;
  grid-template-areas: ".";
  -ms-grid-columns: 166px 27px 1fr;
  grid-template-columns: 166px 1fr;
  -ms-grid-rows: auto 27px auto 27px auto;
  grid-template-rows: auto auto auto;
}

.guestcolumn {
  margin-bottom: 27px;
}

.footer {
  margin-bottom: 40px;
}

.paragraph {
  text-align: center;
}

.footcopy {
  color: #999;
}

.join {
  display: block;
  width: 40%;
  margin-top: 54px;
  margin-right: auto;
  margin-left: auto;
  padding-top: 20px;
  padding-bottom: 20px;
  border-radius: 10px;
  background-color: #fceb17;
  color: #152c4f;
  font-size: 20px;
  font-weight: 700;
  text-align: center;
}

.join:hover {
  background-color: #152c4f;
  color: #fff;
}

.button {
  width: 894px;
  margin-top: 140px;
  margin-right: auto;
  margin-left: auto;
}

.owner {
  display: none;
}

@media (max-width: 991px) {
  .logo {
    bottom: -13%;
    width: 90%;
  }
  .contents {
    width: 85%;
  }
  .button {
    width: 85%;
    margin-top: 80px;
  }
}

@media (max-width: 767px) {
  .join {
    width: 100%;
    margin-top: 0px;
  }
  .button {
    margin-top: 0px;
  }
  .owner {
    display: block;
    width: 85%;
    margin: 60px auto 27px;
    line-height: 24px;
  }
}

@media (max-width: 479px) {
  .contents {
    margin-top: 60px;
  }
  .h2-title {
    margin-bottom: 27px;
    font-size: 32px;
  }
  .content {
    margin-bottom: 54px;
  }
  .guestset {
    display: -ms-grid;
    display: grid;
    -webkit-align-content: stretch;
    -ms-flex-line-pack: stretch;
    align-content: stretch;
    grid-auto-columns: 1fr;
    grid-column-gap: 27px;
    grid-row-gap: 27px;
    grid-template-areas: ".";
    -ms-grid-columns: 100px 27px 1fr;
    grid-template-columns: 100px 1fr;
    -ms-grid-rows: auto 27px auto 27px auto;
    grid-template-rows: auto auto auto;
  }
  .imgcolumn {
    margin-bottom: 27px;
  }
  .join {
    width: 85%;
    font-size: 16px;
  }
  .button {
    width: 100%;
    margin-top: 30px;
  }
  .owner {
    display: block;
    margin-top: 45px;
  }
}