.support_page .introduction {
  margin-top: -15.9rem;
  padding: 15.5rem 0 14rem;
  background: url(../img/support/introduction_bg.jpg) center/cover no-repeat;
}
.support_page .introduction .box {
  position: relative;
  margin: 7rem auto 0;
  padding: 7rem 0 6rem;
  border-radius: 2rem;
  border: 1px solid var(--color-white);
  background: rgb(255 255 255 / 0.2);
  z-index: 2;
}
.support_page .introduction .box::after {
  position: absolute;
  top: 0;
  left: 0;
  content: "";
  width: 100%;
  height: 100%;
  border-radius: 2rem;
  box-shadow: 0 0.5rem 2rem rgb(0 0 0 / 0.2);
  z-index: -1;
  opacity: 0.1;
}
.support_page .introduction .box h3.ttl_h3 {
  margin-bottom: 3rem;
  text-align: center;
  font-size: 4.8rem;
  font-weight: var(--bold);
  color: var(--color-blue);
  line-height: 1;
}
.support_page .introduction .box .flex {
  justify-content: center;
  gap: 4rem;
}
.support_page .introduction .box .flex .item {
  width: 50rem;
}
.support_page .introduction .box .flex .item .img {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 30rem;
  border-radius: 2rem;
  margin-bottom: 3.8rem;
}
.support_page .introduction .box .flex .item .img img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.support_page .introduction .box .flex .item .ttl_h3 {
  position: relative;
  margin-bottom: 3rem;
  font-size: 2.7rem;
  font-weight: var(--bold);
  letter-spacing: 0.02em;
}
.support_page .introduction .box .flex .item .ttl_h3::before {
  position: absolute;
  top: 50%;
  right: 0;
  content: "";
  display: block;
  width: 4rem;
  height: 4rem;
  border-radius: 100%;
  background: var(--color-gr-green);
  box-shadow: 0 0.5rem 2rem rgb(4 0 0 / 0.2);
  z-index: 1;
  transform: translateY(-50%);
}
.support_page .introduction .box .flex .item .ttl_h3::after {
  position: absolute;
  top: 50%;
  right: 1.4rem;
  content: "";
  display: block;
  width: 1.2rem;
  height: 1rem;
  background: url(../img/common/button_arrow.png) center / contain no-repeat;
  z-index: 1;
  transform: translateY(-50%);
}
.support_page .introduction .box .flex .item .notice {
  font-size: 1.6rem;
  line-height: 2;
  opacity: 0.7;
  letter-spacing: 0.04em;
  margin-top: 2rem;
}
@media screen and (max-width: 767px) {
  .support_page .introduction {
    margin-top: -10.6rem;
    padding: 10.3rem 0 9rem;
    background: url(../img/support/introduction_bg_sp.jpg) center top/100% no-repeat;
  }
  .support_page .introduction .df_ttl {
    text-align: center;
  }
  .support_page .introduction .df_ttl .ttl_h2::after {
    left: 50%;
    transform: translateX(-50%);
  }
  .support_page .introduction .box {
    margin-top: 6rem;
    padding: 5rem 2rem;
  }
  .support_page .introduction .box::after {
    opacity: 0.5;
  }
  .support_page .introduction .box h3.ttl_h3 {
    margin-bottom: 2.4rem;
    font-size: 3rem;
  }
  .support_page .introduction .box .flex {
    flex-wrap: wrap;
    gap: 6rem;
  }
  .support_page .introduction .box .flex .item {
    width: 100%;
  }
  .support_page .introduction .box .flex .item .img {
    height: 19.2rem;
    margin-bottom: 3rem;
  }
  .support_page .introduction .box .flex .item .ttl_h3 {
    font-size: 2.4rem;
  }
  .support_page .introduction .box .flex .item .notice {
    font-size: 1.4rem;
  }
}

/* ----------------------------------
faq
---------------------------------- */
.support_page .faq {
  margin: 0;
  padding: 14rem 0;
}
.support_page .faq .in {
  max-width: 102rem;
}
.support_page .faq .accordion_contents .inner {
  background: rgb(17 19 221 / 0.15);
}
@media screen and (max-width: 767px) {
  .support_page .faq {
    padding: 0 0 7rem;
  }
}

/* ----------------------------------
legal_links
---------------------------------- */
.support_page .legal_links {
  padding: 14rem 0;
  background: #f5f5f5;
}
.support_page .legal_links .links {
  display: flex;
  flex-wrap: wrap;
  gap: 4rem;
  justify-content: center;
  margin: 7rem auto 0;
}
.support_page .legal_links .links .link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 12rem;
  width: calc(33.33% - (4rem * 2 / 3));
  padding: 2rem 2.5rem;
  background: var(--color-white);
  border-radius: 10rem;
  box-shadow: 0 0.5rem 2rem rgb(0 0 0 / 0.1);
  font-size: 1.8rem;
  font-weight: var(--bold);
  letter-spacing: 0.02em;
}
.support_page .legal_links .links .link::after {
  position: absolute;
  top: 50%;
  right: 2.5rem;
  content: "";
  display: block;
  width: 1.6rem;
  height: 1.4rem;
  background: url(../img/common/icon_arrow_blue.png) center / contain no-repeat;
  z-index: 1;
  transform: translateY(-50%);
}
.support_page .legal_links .links .link img {
  width: 8rem;
}
@media screen and (max-width: 767px) {
  .support_page .legal_links {
    padding: 7rem 0;
  }
  .support_page .legal_links .links {
    gap: 1rem;
  }
  .support_page .legal_links .links .link {
    width: 100%;
    height: 10rem;
    padding: 1.5rem 2rem;
    font-size: 1.6rem;
  }
  .support_page .legal_links .links .link img {
    width: 7rem;
  }
  .support_page .legal_links .links .link::after {
    right: 2rem;
  }
}

/* ----------------------------------
bottom
---------------------------------- */
.support_page .bottom {
  padding: 12rem 0 14rem;
  text-align: center;
}
.support_page .bottom .lead {
  font-size: 4.8rem;
  font-weight: var(--bold);
  letter-spacing: 0.02em;
}
.support_page .bottom .button {
  margin: 3rem auto 0;
}
@media screen and (max-width: 767px) {
  .support_page .bottom {
    padding: 7.6rem 0 7rem;
  }
  .support_page .bottom .lead {
    font-size: 3rem;
  }
  .support_page .bottom .button {
    margin-top: 2rem;
  }
}

/* ----------------------------------
download_wrap
---------------------------------- */
.support_page .download_wrap {
  padding: 14rem 0;
  background: url(../img/first-time/download_bg.jpg) center/cover no-repeat;
}
.support_page .download_wrap .download {
  margin: 0;
  background: #f5f5f5;
}
.support_page .download_wrap .download .txt {
  text-align: center;
}
.support_page .download_wrap .download .button span {
  color: var(--color-white);
}
@media screen and (max-width: 767px) {
  .support_page .download_wrap {
    padding: 7rem 0;
    background-image: url(../img/first-time/download_bg_sp.jpg);
  }
  .support_page .download_wrap .download .df_ttl.center + .txt {
    text-align: left;
  }
}