body {
  font-family: "Lato", "Roboto", "Meiryo", sans-serif;
  background-color: #0097A7;
  color: white;
}

.header-container {
  padding-top: env(safe-area-inset-top);
}
.header-container .header {
  background-color: #0097A7;
  min-height: 3rem;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.header-container .header.fixed {
  position: fixed;
  width: 100%;
}
.header-container .header.placeholder {
  visibility: hidden;
}
.header-container .start-link {
  display: flex;
  align-items: center;
}
.header-container .start-link svg {
  width: 2rem;
  height: 2rem;
  margin-right: 0.5rem;
}

.main {
  background-color: #F0F0F0;
  color: rgba(0, 0, 0, 0.8);
}
.main .content {
  max-width: 980px;
  margin: auto;
}
@media screen and (max-width: 899px) {
  .main {
    padding: 10px 20px;
  }
}
@media screen and (min-width: 900px) {
  .main {
    padding: 10px 50px;
  }
}
.main h1 {
  font-size: 2.2rem;
  padding: 1.2rem 0;
  text-align: center;
  border-bottom: solid 1px rgba(0, 0, 0, 0.2);
  color: rgba(0, 0, 0, 0.7);
}
.main .main-description {
  text-align: center;
  font-size: 1.2rem;
  line-height: 2;
  white-space: pre-wrap;
}
@media screen and (max-width: 899px) {
  .main .main-description {
    padding: 40px 10px;
    margin-bottom: 30px;
  }
}
@media screen and (min-width: 900px) {
  .main .main-description {
    padding: 40px 40px;
    margin-bottom: 100px;
  }
}
.main .block {
  display: flex;
  align-items: center;
  margin-bottom: 200px;
}
@media screen and (max-width: 899px) {
  .main .block {
    flex-direction: column;
  }
}
.main .block .description-box {
  background-color: white;
  border-radius: 8px;
  padding: 1.5rem;
}
@media screen and (max-width: 899px) {
  .main .block .description-box {
    width: 100%;
    margin-bottom: 30px;
  }
}
@media screen and (min-width: 900px) {
  .main .block .description-box {
    width: 590px;
    margin-right: 40px;
  }
}
.main .block .description-box h2 {
  font-size: 1.4rem;
  font-weight: bold;
  padding: 10px 0;
}
.main .block .description-box ul {
  list-style: disc;
  padding: 0 1em;
}
.main .block .description-box ul li {
  font-size: 1.1rem;
  padding: 20px 0;
  line-height: 2;
}
.main .block .figure-box {
  flex: 1;
  min-width: 0;
}
@media screen and (max-width: 899px) {
  .main .block .figure-box {
    width: 100%;
  }
}
.main .block .figure-box > * {
  width: 100%;
}
.main .block .figure-box .mobile-frame {
  border: solid 10px rgba(0, 0, 0, 0.7);
  border-radius: 20px;
}
.main .block .figure-box .icon-box {
  background-color: white;
  border-radius: 8px;
  padding: 20px 40px;
  color: rgba(0, 0, 0, 0.7);
}
.main .block .figure-box .icon-box .row {
  display: flex;
  justify-content: space-between;
  padding: 20px 0;
}
.main .block .figure-box .icon-box svg {
  width: 30px;
  height: 30px;
}
.main .block .figure-box .icon-box img {
  width: 30px;
}

.footer-container {
  padding-bottom: env(safe-area-inset-bottom);
}
.footer-container .footer {
  background-color: #0097A7;
  color: white;
  min-height: 2rem;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.footer-container .footer a {
  text-decoration: underline;
  margin-left: 20px;
}