body {
  width: 100%;
  height: 100vh;
  background-image: url("./bg.png");
  background-repeat: no-repeat;
  background-position: center;
  position: relative;
  background-attachment: fixed;
  background-size: cover;
  overflow: hidden;
}

#hero {
  height: 100vh;
}

#hero .container {
  width: 768px;
  padding-top: 20px;
  display: flex;
  flex-direction: column;
}

.main-content-mb {
  display: none;
}

.logo {
  margin: 80px auto 20px;
  text-align: center;
}

.logo img {
  width: auto;
  height: auto;
  max-width: 500px;
}

.title {
  width: 600px;
  margin: 20px auto;
  text-align: center;
}

.title-mb {
  display: none;
}

.title-pc {
  width: 100%;
  font-size: 2.5rem;
  font-weight: 700;
  color: #18e001;
  text-align: center;
  margin: 0;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

@media screen and (max-width: 768px) {
  .title-pc {
    font-size: 1.5rem;
  }

  .logo img {
    max-width: 250px;
  }
}

.idol_icon {
  position: absolute;
  bottom: 200px;
  left: auto;
  right: auto;
}

.idol_icon img {
  width: 100%;
}

.ios_icon {
  position: absolute;
  left: -150px;
}

.ios_icon img {
  width: 200px;
}

.android-icon {
  position: absolute;
  right: -150px;
}

.android-icon img {
  width: 200px;
}

.icon-app-y {
  top: 15%;
}

.main-content {
  width: 100%;
  flex-grow: 1;
  flex-direction: row;
  position: relative;
}

.hdios-content {
  max-height: 100vh;
  overflow: auto;
  padding-bottom: 100px;
  height: 100%;
}

.hdios-content::-webkit-scrollbar {
  width: 0 !important;
}

.hdios-content img {
  max-width: 100%;
  height: auto;
}

.page-home {
  position: fixed;
  top: 25px;
  right: 25px;
}

.page-home img {
  width: 50px;
  height: auto;
}

.logo_hdios {
  margin: 20px auto 20px;
  text-align: center;
  max-width: 500px;
}

.title_hdios {
  margin: 0px auto;
  text-align: center;
}

.title_hdios img {
  width: 110px;
}

@media screen and (min-width: 1921px) {
  .idol_icon {
    position: absolute;
    bottom: 150px;
    width: 100%;
    text-align: center;
    margin: auto;
  }

  .idol_icon img {
    width: 100%;
    text-align: center;
    margin: auto;
    max-width: 600px;
  }

  .ios_icon {
    position: absolute;
    left: -50px;
  }

  .ios_icon img {
    width: 200px;
  }

  .android-icon {
    position: absolute;
    right: -50px;
  }

  .android-icon img {
    width: 200px;
  }
}

@media screen and (max-width: 1920px) and (max-height: 899px) {
  .idol_icon {
    position: absolute;
    bottom: 100px;
    width: 100%;
    text-align: center;
    margin: auto;
  }

  .idol_icon img {
    width: 100%;
    max-width: 400px;
    text-align: center;
    margin: auto;
  }

  .ios_icon {
    position: absolute;
    left: -50px;
  }

  .ios_icon img {
    width: 200px;
  }

  .android-icon {
    position: absolute;
    right: -50px;
  }

  .android-icon img {
    width: 200px;
  }
}

@media screen and (max-width: 1920px) and (min-height: 900px) {
  .idol_icon {
    position: absolute;
    bottom: 150px;
    width: 100%;
    text-align: center;
    margin: auto;
  }

  .idol_icon img {
    width: 100%;
    max-width: 695px;
    margin: auto;
    text-align: center;
  }

  .ios_icon {
    position: absolute;
    left: -50px;
  }

  .ios_icon img {
    width: 200px;
  }

  .android-icon {
    position: absolute;
    right: -50px;
  }

  .android-icon img {
    width: 200px;
  }
}

@media screen and (max-width: 1200px) and (min-height: 901px) {
  .idol_icon {
    position: absolute;
    bottom: 150px;
    width: 100%;
    left: 0px;
    margin: auto;
    text-align: center;
  }

  .idol_icon img {
    width: 100%;
    max-width: 600px;
    margin: auto;
  }

  .ios_icon {
    position: absolute;
    left: 0px;
  }

  .ios_icon img {
    width: 150px;
  }

  .android-icon {
    position: absolute;
    right: 0px;
  }

  .android-icon img {
    width: 150px;
  }
}

@media screen and (max-width: 1200px) and (max-height: 901px) {
  .idol_icon {
    position: absolute;
    bottom: 150px;
    width: 100%;
    left: 0px;
    margin: auto;
    text-align: center;
  }

  .idol_icon img {
    width: 80%;
    max-width: 400px;
    margin: auto;
  }

  .ios_icon {
    position: absolute;
    left: 0px;
  }

  .ios_icon img {
    width: 150px;
  }

  .android-icon {
    position: absolute;
    right: 0px;
  }

  .android-icon img {
    width: 150px;
  }
}

@media screen and (max-width: 768px) {
  body {
    background-image: url("./bg_mb.png");
  }

  .main-content {
    display: none;
  }

  .main-content-mb {
    display: block;
    width: 100%;
    margin-top: 10%;
  }

  #hero .container {
    padding-top: 4px;
  }

  .hdios-content {
    padding-bottom: 160px;
  }

  .ios_icon_mb {
    margin: 10px auto 0px;
    max-width: 370px;
    display: block;
    text-align: center;
  }

  .ios_icon_mb img {
    width: 280px;
  }

  .android-icon_mb {
    max-width: 370px;
    display: block;
    text-align: center;
    margin: auto;
  }

  .android-icon_mb img {
    width: 280px;
  }

  .idol_icon_mb {
    position: absolute;
    bottom: 5%;
    text-align: center;
    width: 100%;
    margin: auto;
    max-height: 250px;
    padding-top: 15px;
    left: auto;
  }

  .idol_icon_mb img {
    width: 70%;
    max-width: 375px;
    height: auto;
  }

  #hero .container {
    width: 100%;
  }

  .logo {
    margin: 40px auto 15px;
    padding: 0;
    text-align: center;
  }

  .logo img {
    width: auto;
    height: auto;
    max-width: 250px;
  }

  .title {
    max-width: 80%;
    height: auto;
    margin: 20px auto;
    text-align: center;
  }

  .title-mb {
    margin: 5px auto;
    width: 70%;
    max-width: 320px;
    display: block;
  }

  .page-home {
    position: fixed;
    top: 20px;
    right: 20px;
  }

  .page-home img {
    width: 40px;
    height: auto;
  }
}

@media screen and (max-width: 400px) {
  .idol_icon_mb img {
    width: auto;
    height: 57vw;
  }
}