:root {
  --blue: #376177;
}

.about-page {
  min-height: 100vh;
  background: var(--blue);
}

.about-logo {
  left: 32px;
  top: 29px;
}

.about-camp {
  position: relative;
  min-height: 1078px;
  padding-top: 139px;
  overflow: hidden;
  background: var(--blue);
}

.about-camp__arch {
  width: 840px;
  min-height: 939px;
  margin: 0 auto;
  padding: 126px 90px 90px;
  border-radius: 420px 420px 0 0;
  background: var(--paper);
  color: var(--blue);
  text-align: center;
}

.about-camp__arch h1 {
  margin: 0;
  font-family: var(--display);
  font-size: 70px;
  font-weight: 400;
  line-height: 1.18;
  letter-spacing: 0.03em;
}

.about-camp__arch h1 span:first-child {
  font-size: 62px;
}

.about-camp__arch h1 span:last-child {
  font-family: var(--mincho);
  font-size: 63px;
}

.about-camp__arch i {
  display: block;
  width: 40px;
  height: 2px;
  margin: 45px auto 68px;
  background: var(--blue);
}

.about-camp__arch p {
  margin: 0;
  font-size: 16px;
  line-height: 3.05;
  letter-spacing: 0.1em;
}

.about-camp__round {
  position: absolute;
  right: 30px;
  bottom: 30px;
  width: 185px;
  height: 185px;
  margin: 0;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-align: center;
}
.about-camp__round img {
  -webkit-animation: 10s linear infinite rotation1;
  animation: 10s linear infinite rotation1;
  width: 185px;
  height: 185px;
}

@-webkit-keyframes rotation1 {
  0% {
    -webkit-transform: rotate(0);
    transform: rotate(0);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
@keyframes rotation1 {
  0% {
    -webkit-transform: rotate(0);
    transform: rotate(0);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
@media (max-width: 780px) {
  .about-logo {
    left: 20px;
    top: 18px;
  }
  .about-camp__arch h1 span:last-child {
    font-size: 40px;
  }
  .about-camp {
    min-height: auto;
    padding: 94px 20px 0px;
  }
  .about-camp__arch i {
    display: block;
    width: 40px;
    height: 1px;
    margin: 25px auto 45px;
    background: var(--blue);
  }
  .about-camp__arch {
    width: 100%;
    min-height: 0;
    padding: 92px 24px 64px;
    border-radius: 50vw 50vw 0 0;
  }
  .about-camp__arch h1 {
    font-size: 42px;
  }
  .about-camp__arch h1 span:first-child {
    font-size: 40px;
  }
  .about-camp__arch p {
    font-size: 13px;
    line-height: 2.4;
    text-align: left;
  }
  .about-camp__round {
    position: absolute;
    right: 20px;
    top: 100px;
    width: 90px;
    height: 90px;
    margin: 0;
    font-size: 9px;
    letter-spacing: 0.14em;
    text-align: center;
  }
  .about-camp__round img {
    width: 90px;
    height: 90px;
    -webkit-animation: 10s linear infinite rotation1;
    animation: 10s linear infinite rotation1;
  }
}