body{
  font-family: 'Noto Sans JP', sans-serif;
  color: #282828;
  letter-spacing: 0.2em;
  padding: 0;
  margin: 0;
  width: 100%;
}

a:link, a:visited, a:hover, a:active {
  text-decoration: none;
}

h3 {
  font-weight: 900;
  font-size: 24px;
  line-height: 58px;
}

p {
  margin: 0;
}

.logo {
  width: 180px;
}

.main-content {
  padding-top: 36px;
  margin-right: auto;
  margin-left: auto;
  width: 80%;
}

.menu-item {
  margin-right: 64px;
}

.menu-item-link:link, .menu-item-link:visited, .menu-item-link:hover, .menu-item-link:active {
  color: #282828;
}

.header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 296px;
}

.menu {
  font-weight: 500;
  font-size: 12px;
  line-height: 29px;
}

.hamburger-menu {
  display: none;
  width: 40px;
}

.white-filter {
  filter: brightness(0) invert(1);
}

.nav-logo {
  width: 180px;
}

.nav {
  position: fixed;
  top: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  background-color: #1A1A1A;
}

.nav-content {
  padding-top: 48px;
  position: relative;
  display: flex;
  justify-content: space-between;
  margin-right: auto;
  margin-left: auto;
  width: 80%;
}

.nav-menu {
  list-style: none;
  padding-left: 0;
  font-size: 24px;
  margin-top: 168px;
}

.nav-menu-item {
  margin-bottom: 96px;
}

.nav.show {
  opacity: 1;
  visibility: visible;
}

.close {
  width: 28px;
  top: -5px;
}

.main-text {
  font-weight: 900;
  font-size: 72px;
  line-height: 64px;
  margin-bottom: 48px;
}

.description {
  font-weight: 500;
  font-size: 16px;
  line-height: 24px;
  letter-spacing: 0.1em;
  margin-bottom: 296px;
}

.service {
  margin-bottom: 296px;
}

.service-content {
  display: flex;
  flex-wrap: wrap;
}
.service-content-item {
  width: calc(50% - 1rem);
  margin-bottom: 2rem;
}
.service-content-item:nth-child(even) {
  margin-left: 2rem;
}


.image {
  width: 100%;
}

.image-title {
  font-weight: 500;
  font-size: 28px;
  line-height: 46px;
}

.image-margin {
  margin-left: 74px;
}

.image-description {
  font-weight: 300;
  font-size: 20px;
  line-height: 35px;
  letter-spacing: 0.2em;
}

.company {
  margin-bottom: 196px;
}

.company-detail {
  display: flex;
}

.company-detail-column {
  width: 100px;
}

.access {
  filter: grayscale(100%);
  width: 100%;
  height: 400px;
  margin-bottom: 96px;
}

.footer {
  background: #1A1A1A;
  color: #FFFFFF;
}

.footer-content {
  margin-right: auto;
  margin-left: auto;
  padding-top: 64px;
  width: 80%;
  /* font-size: 12px; */
}

.footer-logo {
  margin-bottom: 36px;
}

.copy-right {
  text-align: center;
  padding-bottom: 32px;
}

.description-line-height {
  line-height: 35px;
}

.site-map {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 160px;
  color: #FFFFFF;
}

.site-map .link-white {
  margin: 0 1em;
}

.link-white:link, .link-white:visited, .link-white:hover, .link-white:active {
  color: #FFFFFF;
}

.sp_only {
  display: none;
}

@media (max-width: 810px) {
  .sp_only {
    display: block;
  }

  .header {
    overflow: hidden;
    margin-bottom: 148px;
  }

  .description {
    margin-bottom: 148px;
  }

  .main-text {
    font-size: 34px;
  }

  .main-text-first-half {
    display: block;
    height: 52px;
  }

  .footer {
    overflow: hidden;
  }

  .menu {
    display: none;
  }

  .hamburger-menu {
    display: block;
  }

  .description {
    font-size: 12px;
  }

  .service-content {
    flex-direction: column;
  }
  .service-content-item {
    width: 100%;
  }
  .service-content-item:nth-child(even) {
    margin-left: 0;
  }

  .image-margin {
    margin-left: 0;
    margin-top: 96px;
  }

  .image-title {
    font-size: 20px;
    line-height: 46px;
  }

  .image-description {
    font-size: 12px;
  }

  .description-line-height p {
    line-height: 20px;
  }

  .company-detail {
    flex-direction: column;
    margin-bottom: 40px;
  }

  .footer-content {
    font-size: 10px;
  }

  .site-map {
    flex-direction: column;
    align-items: center;
    letter-spacing: 0.05em;
    margin-top: 80px;
  }

  .site-map .link-white {
    margin: 0;
  }
}

/* 20240930追加 */
.site-map a:nth-of-type(3) ~ a {
  display: none;
  pointer-events: none;
}