:root {
  --base: 1920;
}

html {
  font-size: calc(10 / var(--base) * 100vw);
}

.pc {
  display: block;
}

.mobile {
  display: none;
}

.home-bg {
  position: absolute;
  background: url(https://df77izillhr4c.cloudfront.net/home/support_bg.jpg) no-repeat 50% / cover;
  height: 100%;
  width: 100%;
  top: 0;
  z-index: -1;
  left: 0;
}

.home-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  min-height: calc(100vh - 72px)
}

.light-box {
  position: relative;
  margin-bottom: 226px;
}

.light {
  width: 870px;
  display: block;
  height: 100%;
  position: absolute;
  z-index: 1;
  border-radius: 24px;
  top: 4px;
  left: -1.5%;
}

/* 移动端同时支持 blur + soft-light */
@supports (((-webkit-filter: blur(20px)) or (filter: blur(20px))) and ((-webkit-mix-blend-mode: soft-light) or (mix-blend-mode: soft-light))) {
  .light {
    -webkit-filter: blur(20px);
    filter: blur(20px);
    -webkit-mix-blend-mode: soft-light;
    mix-blend-mode: soft-light;
    background: #000000;
  }
}

.banner-cons {
  display: flex;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  width: 848px;
  margin: 72px 0 70px 0;
}

.banner-cons h1 {
  font-size: 6rem;
  color: #11172B;
  font-weight: 700;
  line-height: 1.2;
}

.banner-cons p {
  color: #63717F;
  text-align: center;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.6;
  margin-top: 12px;
}

.about-box {
  width: 848px;
  border-radius: 24px;
  border: 1px solid #FFF;
  background: rgba(255, 255, 255, 0.7);
  padding: 40px 0 60px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}

.about-box .email-icon {
  width: 50px;
  height: 50px;
  background-color: #E7F0FD;
  border: 1px solid rgba(0, 130, 247, 0.05);
  border-radius: 25%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-box .email-icon img {
  width: 24px;
}

.about-box h2 {
  color: #11172B;
  font-weight: 700;
  font-size: 24px;
  line-height: 1;
  margin: 30px 0 10px 0;
}

.about-box .desc {
  font-size: 16px;
  color: #63717F;
  text-align: center;
  font-weight: 500;
  line-height: 1.5;
}

.about-box .email {
  color: #0082F7;
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.5;
  margin-top: 50px;
  transition: all 0.5s ease-out;
}

.email:hover {
  transform: scale(1.05);
}

.home-page .privacy-statement {
  color: #6C809B;
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.42;
  position: absolute;
  bottom: 40px;
}

.home-page .privacy-statement .address {
  margin-left: 20px;
  color: #6C809B;
  font-weight: 500;
  position: relative;
}

.home-page .privacy-statement .address:hover {
  color: #123158;
}

.home-page .privacy-statement .address::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 1px;
  background-color: #6C809B;
  bottom: 2px;
  left: 0;
}

.home-page .privacy-statement .address:hover::after {
  background-color: #123158;
}


@media (max-width: 1023px),
(orientation: portrait) {
  :root {
    --base: 393;
  }

  .pc {
    display: none;
  }

  .mobile {
    display: block;
  }

  .home-bg {
    background: url(https://df77izillhr4c.cloudfront.net/home/support_bg_m.jpg) no-repeat 50% / cover;
  }

  .banner-cons {
    width: 34.1rem;
    margin: 4.8rem 0 4rem 0;
  }

  .banner-cons h1 {
    font-size: 3.4rem;
  }

  .banner-cons p,
  .about-box .desc {
    font-size: 1.6rem;
    line-height: 1.5;
  }

  .light {
    width: 34.1rem;
    left: 0;
  }

  @supports (((-webkit-filter: blur(10px)) or (filter: blur(10px))) and ((-webkit-mix-blend-mode: soft-light) or (mix-blend-mode: soft-light))) {
    .light {
      -webkit-filter: blur(10px);
      filter: blur(10px);
    }
  }

  .light-box {
    margin-bottom: 18rem;
  }

  .about-box {
    width: 34.1rem;
    padding: 2.4rem 2rem 4rem;
  }

  .about-box h2 {
    line-height: 1.5;
    margin: 2.4rem 0 0 0;
    font-size: 2.4rem;
  }

  .about-box .email {
    font-size: 2rem;
    line-height: normal;
    margin-top: 3rem;
  }

  .home-page {
    min-height: calc(100vh - 46px)
  }

  .home-page .privacy-statement {
    font-size: 1.2rem;
    line-height: 1.5;
    bottom: 2.4rem;
  }
}