@charset "utf-8";

.margin-top50px {
  margin-top: 50px !important;
}

.margin-top80px {
  margin-top: 80px !important;
}

.margin-top100px {
  margin-top: 100px !important;
}

.margin-top150px {
  margin-top: 150px !important;
}

.padding-top50px {
  padding-top: 50px !important;
}

.padding-top80px {
  padding-top: 80px !important;
}

.padding-top100px {
  padding-top: 100px !important;
}

.padding-top150px {
  padding-top: 150px !important;
}

.page-back {
  width: 200px !important;
  margin: 0 auto;
  font-weight: bold;
  font-size: 20px;
  text-align: center;
  color: #fff;
  padding: 20px;
  border: 1px solid #fff;
  background: #000;
}

.page-back a {
  color: #fff;
  text-decoration: none;
}

.page-back a:hover {
  color: #fff;
  text-decoration: none;
}

.foot-text {
  text-align: center;
  margin: 100px 0 50px 0;
}

@media screen and (max-width:640px) { /* SP ==================== */
  .foot-text {
    width: 90%;
    margin: 50px auto 30px;
  }
}

/* ここまでが共通部分です ==================== */
#pageTop {
  background: #000026;
}

.content {
  font-size: 20px;
  background: #000026;
}

@media screen and (max-width:640px) { /* SP ==================== */
  .content {
    font-size: 14px;
  }
}

.content-header {
  position: relative;
}

.content-header img {
  width: 100%;
}

.content-header-logo {
  width: 24.5%;
  position: absolute;
  top: 7.5%;
  left: 4%;
  z-index: 1;
}

.content-intro {
  position: relative;
  margin-top: -9vw;
  width: 100%;
  z-index: 1;
}

.content-item-box div {
  max-width: 1920px;
  width: 100%;
  margin: 20px 0;
  text-align: center;
}

@media screen and (max-width: 1024px) { /* TABLET ==================== */
  .content-item-box div {
    width: 110%;
    margin-left: -5%;
  }
}

.content-item-box p {
  max-width: 1200px;
  width: 90%;
  margin: 50px auto;
  text-align: left;
}

@media screen and (max-width: 640px) { /* SP ==================== */
  .content-item-box p {
    margin: 5% auto;
  }
}

@media screen and (max-width: 1024px) { /* SP ==================== */
  .content-item-box .large-img {
    max-inline-size: none;
    width: 129%;
    margin-left: -15%;
  }
}

.content-item-nauts {
  background: url("../img/bg_dia-nauts.webp") no-repeat top center / 100% auto;
  aspect-ratio: 1.92 / 1;
}

.content-item-nauts-content {
  padding: 5% 40% 24% 25%;
  text-align: left;
}

.content-item-nauts-text:not(:last-child) {
  margin-bottom: 60px;
  text-align: center;
}

@media screen and (max-width: 1300px) { /* SP ==================== */
  .content-item-nauts {
    background-image: url("../img/bg_dia-nauts_sp.webp");
    padding: 0;
  }

  .content-item-nauts-title::after {
    content: "";
    display: block;
    padding-top: 70%;
  }

  .content-item-nauts-content {
    padding: 0 10% 5%;
  }

  .content-item-nauts-text:not(:last-child) {
    margin-bottom: 30px;
    text-align: left;
  }
}

@media screen and (max-width: 640px) { /* SP ==================== */
  .content-item-nauts-content {
    padding: 5% 20px;
  }
}

.content-item-column {
  padding: 4.5% 18%;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 100px 70px;
  text-align: left;
}

@media screen and (max-width: 1300px) { /* TABLET ==================== */
  .content-item-column {
    padding: 4.5%;
    gap: 60px;
  }
}

@media screen and (max-width: 640px) { /* SP ==================== */
  .content-item-column {
    padding: 4.5% 8%;
    gap: 10px;
  }
}

.content-item-column li {
  width: calc(50% - 40px);
}

.content-item-column li.full {
  width: 100%;
}

@media screen and (max-width: 640px) { /* SP ==================== */
  .content-item-column li {
    width: 100%;
  }
}

@media screen and (max-width: 640px) { /* SP ==================== */
  .content-item-column li:not(:last-child) {
    margin-bottom: 14.5%;
  }
}

.content-item-column p {
  padding-top: 15px;
}

@media screen and (max-width: 640px) {
  .content-item-column p {
  padding-top: 3.5%;
}