.cover-image {
  width: min(100%, 390px);
  height: auto;
  box-shadow: 20px 28px 48px #071c2d38;
  transform: rotateY(-5deg) rotateZ(-0.5deg);
}
.preview-open {
  display: block;
  width: 100%;
  height: 430px;
  padding: 0;
  border: 0;
  background: #e9e9e6;
  overflow: hidden;
  cursor: zoom-in;
  box-shadow: 0 8px 19px #0d1b2a18;
  text-decoration: none;
}
.preview-open img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.35s ease;
}
.preview-open.spread {
  background: #dfe2e3;
}
.preview-open.spread img {
  object-fit: contain;
  object-position: center;
}
.preview-open:hover img {
  transform: scale(1.025);
}
@media (max-width: 800px) {
  .preview-open {
    height: 520px;
  }
  .cover-image {
    max-width: 560px;
  }
}
@media (max-width: 520px) {
  .preview-open {
    height: 430px;
  }
}
.brand img,
.knowledge-map img {
  filter: none;
}
.site-header {
  background: #fff;
  color: var(--navy);
  border-bottom: 1px solid #dfe3e6;
  box-shadow: 0 3px 18px #0d1b2a0b;
}
.brand img {
  width: 265px;
  height: 66px;
  object-fit: contain;
  object-position: left center;
}
.site-header nav a {
  color: var(--navy);
}
.site-header .menu {
  color: var(--navy);
}
.knowledge-map {
  height: auto;
  margin: 35px 0;
  padding: 0;
  background: var(--navy);
  border: 1px solid #c9a46b55;
  box-shadow: 0 22px 55px #020b1255;
}
.knowledge-map img {
  width: min(470px, 100%);
  height: auto;
  display: block;
  filter: none;
  object-fit: contain;
}
.inside-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}
.index-link {
  color: var(--navy);
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 4px;
  margin-bottom: 8px;
}
.manual-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 50px;
}
.manual-feature-grid article {
  background: #fff;
  border: 1px solid #dfe3e5;
  box-shadow: 0 12px 28px #0d1b2a12;
  overflow: hidden;
}
.manual-feature-grid article > a {
  height: 155px;
  display: block;
  position: relative;
  overflow: hidden;
  background: #dce2e5;
}
.manual-feature-grid article > a > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.3s ease;
}
.manual-feature-grid article:hover article > a > img,
.manual-feature-grid article:hover > a > img {
  transform: scale(1.03);
}
.feature-icon {
  position: absolute;
  left: 22px;
  bottom: -1px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 600;
  border: 3px solid #fff;
}
.feature-icon.gold {
  background: #c58a00;
}
.manual-feature-grid article > div {
  padding: 24px 25px 27px;
}
.manual-feature-grid h3 {
  font-size: 18px;
  line-height: 1.3;
  margin: 0 0 10px;
}
.manual-feature-grid p {
  font-size: 13px;
  line-height: 1.6;
  color: #59666e;
  margin: 0 0 16px;
}
.feature-link {
  color: #a66f00;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid #c9a46b;
}
@media (max-width: 1050px) {
  .manual-feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 800px) {
  .site-header {
    height: 74px;
  }
  .site-header nav {
    top: 74px;
    background: #fff;
    border-top: 1px solid #dfe3e6;
  }
  .inside-heading {
    display: block;
  }
  .index-link {
    display: inline-block;
    margin-top: 12px;
  }
  .brand img {
    width: min(210px, 58vw);
    height: 54px;
    height: 59px;
  }
}
@media (max-width: 560px) {
  .manual-feature-grid {
    grid-template-columns: 1fr;
  }
  .brand img {
    width: 205px;
  }
  .knowledge-map img {
    max-width: 340px;
  }
}
@media (max-width: 950px) {
  .knowledge-map {
    height: auto;
  }
}

.positioning {
  background: var(--navy);
  color: #fff;
  padding: 90px clamp(24px, 8vw, 130px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(45px, 8vw, 120px);
}
.positioning h2,
.contents-map h2 {
  font-size: clamp(34px, 3.8vw, 56px);
  line-height: 1.14;
  font-weight: 500;
  letter-spacing: -0.025em;
  margin: 0;
}
.positioning-copy > p {
  color: #d3dbe0;
  font-size: 17px;
  margin-top: 0;
}
.positioning-copy ul {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}
.positioning-copy li {
  color: #bdc9d0;
  border-top: 1px solid #ffffff20;
  padding: 14px 0;
}
.positioning-copy strong {
  color: var(--gold);
}
.atlas-showcase-heading {
  margin-top: 85px;
  max-width: 760px;
}
.atlas-showcase-heading h3 {
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 12px;
}
.atlas-showcase-heading > p:last-child {
  color: #5e6970;
}
.atlas-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.atlas-showcase a {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #d6d9da;
  color: var(--navy);
  text-decoration: none;
  box-shadow: 0 12px 28px #0d1b2a12;
  overflow: hidden;
}
.atlas-showcase img {
  width: 100%;
  height: 310px;
  object-fit: cover;
  object-position: top;
  transition: transform 0.3s ease;
}
.atlas-showcase a:hover img,
.atlas-showcase a:focus-visible img {
  transform: scale(1.025);
}
.atlas-showcase span {
  padding: 17px 18px;
  font-size: 14px;
  font-weight: 600;
  border-top: 3px solid var(--gold);
}
.contents-map {
  padding: 100px clamp(24px, 8vw, 130px);
  background: #fff;
}
.contents-intro {
  max-width: 860px;
}
.contents-intro > p:last-child {
  color: #5e6970;
  font-size: 17px;
}
.contents-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 55px;
  margin: 45px 0 38px;
  border-top: 1px solid var(--line);
}
.contents-grid article {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.contents-grid article > span {
  color: #a66f00;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
}
.contents-grid h3 {
  margin: 0 0 5px;
  font-size: 18px;
}
.contents-grid p {
  margin: 0;
  color: #616d74;
  font-size: 14px;
  line-height: 1.55;
}
@media (max-width: 900px) {
  .positioning,
  .contents-grid {
    grid-template-columns: 1fr;
  }
  .atlas-showcase {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .positioning,
  .contents-map {
    padding-top: 72px;
    padding-bottom: 72px;
  }
  .atlas-showcase {
    grid-template-columns: 1fr;
  }
  .atlas-showcase img {
    height: 420px;
  }
}