@font-face {
  font-family: ObservatorySerif;
  src: url("assets/heading.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}
:root {
  --paper: #f3f0e6;
  --ink: #263d33;
  --muted: #697266;
  --line: #d1d2c4;
  --accent: #687a4b;
  --serif: ObservatorySerif, "Songti SC", "Noto Serif SC", serif;
  --sans:
    -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    sans-serif;
  scroll-behavior: smooth;
  scroll-padding-top: 40px;
  color-scheme: light;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
::selection {
  background: #d7ddbf;
  color: #203329;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 500;
}
a {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
a:focus-visible {
  outline: 2px solid #536c3a;
  outline-offset: 7px;
}
img {
  display: block;
  width: 100%;
  height: auto;
}
main,
.site-header,
.site-footer {
  max-width: 1600px;
  margin-inline: auto;
}
main {
  padding: 0 6.25%;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 34px 6.25% 28px;
  gap: 25px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 13px;
}
.brand img {
  width: 42px;
  height: 42px;
}
.brand > span {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.06em;
  line-height: 1.6;
}
.brand small {
  display: block;
  font-family: var(--sans);
  font-size: 7px;
  letter-spacing: 0.16em;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 38px;
  font-size: 12px;
}
.site-header nav a {
  min-height: 34px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.site-header nav a:hover {
  color: #7c6945;
}
.site-header nav span {
  font-family: Georgia, serif;
  font-size: 11px;
  border: 1px solid #c6ceba;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.skip-link {
  position: fixed;
  top: -80px;
  left: 18px;
  z-index: 10;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 20px;
}
.skip-link:focus {
  top: 15px;
}
.intro {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  align-items: end;
  column-gap: 10%;
  padding: 67px 0 0;
  position: relative;
}
.eyebrow {
  font-size: 10px;
  line-height: 1.7;
  letter-spacing: 0.16em;
  font-weight: 400;
  color: var(--muted);
}
.tiny-star {
  color: #6b7d50;
  font-size: 17px;
  line-height: 0;
  display: inline-block;
  vertical-align: -1px;
  margin-right: 12px;
}
h1 {
  font-size: clamp(62px, 6.2vw, 100px);
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin-top: 22px;
}
.title-end {
  color: #78815c;
}
.intro-note {
  padding: 0 0 7px;
}
.intro-rule {
  display: block;
  width: 33px;
  height: 1px;
  background: #909b7f;
  margin-bottom: 24px;
}
.intro-note p {
  font-size: 13px;
  line-height: 2.05;
  letter-spacing: 0.015em;
  color: #626d5f;
}
.explore-link {
  display: inline-flex;
  align-items: center;
  gap: 52px;
  font-size: 12px;
  border-bottom: 1px solid #889774;
  padding: 0 0 11px;
  margin-top: 30px;
}
.explore-link > span:last-child {
  font-size: 18px;
  line-height: 1;
  transition: transform 0.25s;
}
.explore-link:hover > span:last-child {
  transform: translateY(4px);
}
.intro-caption {
  grid-column: 1/-1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding: 35px 0 23px;
  margin-top: 27px;
  font-size: 10px;
  color: #6c7667;
  letter-spacing: 0.03em;
}
.exhibitions {
  padding: 48px 0 98px;
}
.collection-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 38px;
  gap: 20px;
}
.collection-heading h2 {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
}
.collection-heading p {
  font-size: 10px;
  color: var(--muted);
}
.exhibition-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 75px 5.5%;
}
.exhibition {
  min-width: 0;
  grid-column: span 7;
}
.exhibition:nth-child(2),
.exhibition:nth-child(3),
.exhibition:nth-child(6) {
  grid-column: span 5;
}
.exhibition:nth-child(even) {
  padding-top: 80px;
}
.exhibition-link {
  display: block;
}
.cover {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  aspect-ratio: 1.65;
  background: #dce0d0;
}
.exhibition:nth-child(2) .cover,
.exhibition:nth-child(3) .cover,
.exhibition:nth-child(6) .cover {
  aspect-ratio: 1.3;
}
.cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.ocean .cover img {
  object-position: 78% 50%;
}
.tree .cover img {
  object-position: 77% 50%;
}
.earth .cover img {
  object-position: 78% 50%;
}
.sky .cover img {
  object-position: 65% 50%;
}
.forest .cover img {
  object-position: 70% 50%;
}
.cover:after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(0deg, #112b24d1, transparent 35%);
  pointer-events: none;
}
.tree .cover:after {
  background: linear-gradient(0deg, #39432936, transparent 22%);
}
.cover-index {
  position: absolute;
  top: 19px;
  left: 21px;
  font-size: 12px;
  line-height: 1.6;
  font-family: Georgia, serif;
  color: #faf4e5;
  z-index: 1;
  display: flex;
  gap: 10px;
  align-items: center;
  text-shadow: 0 1px 4px #14372e55;
}
.cover-index:before {
  content: "";
  height: 1px;
  width: 18px;
  background: currentColor;
}
.tree .cover-index,
.sky .cover-index,
.ice .cover-index {
  color: #334b42;
  text-shadow: none;
}
.cover-direction {
  position: absolute;
  left: 23px;
  bottom: 19px;
  right: 23px;
  z-index: 1;
  font-size: 10px;
  letter-spacing: 0.04em;
  color: #f0eee0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cover-direction > span {
  font-size: 18px;
  line-height: 1;
}
.exhibition-meta {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  margin: 20px 0 10px;
  font-size: 8px;
  color: #707961;
  letter-spacing: 0.065em;
}
.exhibition-meta span:last-child {
  letter-spacing: 0;
  font-size: 9px;
  color: #6d7767;
}
.title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.title-row h3 {
  font-size: clamp(26px, 2.4vw, 38px);
  line-height: 1.5;
}
.entry-arrow {
  width: 37px;
  height: 37px;
  border: 1px solid #aab59c;
  border-radius: 50%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
  font-size: 19px;
  transition:
    background 0.2s,
    color 0.2s,
    transform 0.2s;
}
.description {
  font-size: 12px;
  line-height: 1.95;
  color: #677260;
  margin-top: 13px;
  min-height: 47px;
}
.destination {
  margin-top: 22px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 15px;
  font-size: 9px;
  letter-spacing: 0.03em;
  color: #727b69;
}
.destination > span {
  font-size: 10px;
  letter-spacing: 0;
  color: #4d6143;
}
.exhibition-link:hover .entry-arrow,
.exhibition-link:focus-visible .entry-arrow {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  transform: rotate(5deg);
}
.exhibition-link:hover h3 {
  color: #758051;
}
.exhibition-link:hover .destination > span {
  color: #253d32;
}
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12%;
  padding: 70px 0 73px;
  border-top: 1px solid var(--line);
}
.about h2 {
  font-size: 43px;
  line-height: 1.5;
  margin-top: 20px;
}
.about-copy {
  padding-top: 8px;
  max-width: 450px;
}
.about-copy > p {
  font-size: 13px;
  line-height: 2.1;
  color: #626f5c;
}
.about-copy > p + p {
  margin-top: 20px;
}
.about-copy .about-footnote {
  font-size: 10px;
  color: #737c69;
  margin-top: 25px;
}
.about-footnote a {
  text-decoration: underline;
  text-underline-offset: 5px;
  white-space: nowrap;
}
.site-footer {
  padding: 27px 6.25% 34px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 25px;
}
.footer-brand {
  font-size: 16px;
  font-family: var(--serif);
}
.footer-brand span {
  font-family: var(--sans);
  font-size: 10px;
  margin-left: 25px;
  color: #737c6b;
}
.back-top {
  font-size: 10px;
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 30px;
}
.back-top > span {
  font-size: 18px;
}
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .exhibition-link:hover .cover img {
    transform: scale(1.035);
  }
}
@media (min-width: 1800px) {
  main {
    padding-inline: 100px;
  }
  .site-header,
  .site-footer {
    padding-inline: 100px;
  }
}
@media (max-width: 1000px) {
  main {
    padding-inline: 6%;
  }
  .site-header,
  .site-footer {
    padding-inline: 6%;
  }
  .intro {
    gap: 5%;
    grid-template-columns: 1.5fr 1fr;
    padding-top: 55px;
  }
  h1 {
    font-size: 65px;
  }
  .intro-note p {
    font-size: 12px;
  }
  .exhibition-grid {
    gap: 65px 5%;
  }
  .exhibition:nth-child(even) {
    padding-top: 60px;
  }
  .exhibition-meta {
    flex-direction: column;
    gap: 3px;
    margin-top: 17px;
  }
  .title-row h3 {
    font-size: 28px;
  }
  .description {
    font-size: 11px;
  }
  .wide-break {
    display: none;
  }
  .cover-direction {
    font-size: 9px;
    left: 18px;
    right: 18px;
  }
  .about {
    gap: 8%;
  }
  .about h2 {
    font-size: 36px;
  }
  .about-copy > p {
    font-size: 12px;
  }
}
@media (max-width: 680px) {
  :root {
    scroll-padding-top: 24px;
  }
  .site-header {
    padding: 24px 6% 17px;
    gap: 12px;
  }
  .brand {
    gap: 9px;
  }
  .brand img {
    width: 34px;
    height: 34px;
  }
  .brand > span {
    font-size: 18px;
  }
  .brand small {
    font-size: 6px;
    letter-spacing: 0.09em;
  }
  .site-header nav {
    gap: 20px;
    font-size: 10px;
  }
  .site-header nav a {
    gap: 6px;
  }
  .site-header nav span {
    display: none;
  }
  .intro {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 47px 0 0;
  }
  .eyebrow {
    font-size: 9px;
    letter-spacing: 0.12em;
  }
  .tiny-star {
    font-size: 15px;
    margin-right: 9px;
  }
  h1 {
    font-size: clamp(44px, 10.8vw, 69px);
    margin-top: 20px;
    line-height: 1.4;
    letter-spacing: 0;
  }
  .intro-note {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 16px;
    margin-top: 25px;
    padding-bottom: 0;
  }
  .intro-rule {
    display: none;
  }
  .intro-note p {
    font-size: 11px;
    line-height: 1.9;
  }
  .explore-link {
    font-size: 10px;
    gap: 20px;
    padding-bottom: 8px;
    margin-top: 0;
    white-space: nowrap;
  }
  .explore-link > span:last-child {
    font-size: 16px;
  }
  .intro-caption {
    padding: 24px 0 18px;
    margin-top: 12px;
    font-size: 9px;
  }
  .exhibitions {
    padding: 27px 0 54px;
  }
  .collection-heading {
    margin-bottom: 25px;
    align-items: start;
  }
  .collection-heading h2 {
    font-size: 11px;
  }
  .collection-heading p {
    font-size: 9px;
    max-width: 155px;
    text-align: right;
  }
  .exhibition-grid {
    display: flex;
    flex-direction: column;
    gap: 42px;
  }
  .exhibition:nth-child(even) {
    padding-top: 0;
  }
  .cover,
  .exhibition:nth-child(2) .cover,
  .exhibition:nth-child(3) .cover,
  .exhibition:nth-child(6) .cover {
    aspect-ratio: 1.4;
  }
  .exhibition:nth-child(2) .cover {
    aspect-ratio: 1.35;
  }
  .cover-index {
    top: 14px;
    left: 15px;
    font-size: 10px;
  }
  .cover-index:before {
    width: 13px;
  }
  .cover-direction {
    left: 16px;
    right: 16px;
    bottom: 14px;
    font-size: 9px;
  }
  .cover-direction > span {
    font-size: 16px;
  }
  .exhibition-meta {
    flex-direction: row;
    justify-content: space-between;
    gap: 8px;
    margin: 16px 0 8px;
    font-size: 7px;
  }
  .exhibition-meta span:last-child {
    font-size: 8px;
  }
  .title-row h3 {
    font-size: 27px;
  }
  .entry-arrow {
    width: 32px;
    height: 32px;
    font-size: 18px;
  }
  .description {
    font-size: 11px;
    margin-top: 10px;
    min-height: 0;
    line-height: 2;
  }
  .wide-break {
    display: block;
  }
  .destination {
    font-size: 8px;
    margin-top: 17px;
    padding-top: 10px;
  }
  .destination > span {
    font-size: 9px;
  }
  .about {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 40px 0 38px;
  }
  .about h2 {
    font-size: 34px;
    margin-top: 16px;
    line-height: 1.5;
  }
  .about-copy {
    padding-top: 0;
    max-width: none;
  }
  .about-copy > p {
    font-size: 12px;
    line-height: 2;
  }
  .about-copy > p + p {
    margin-top: 16px;
  }
  .about-copy .about-footnote {
    font-size: 9px;
    margin-top: 20px;
  }
  .site-footer {
    padding: 21px 6% 25px;
  }
  .footer-brand {
    font-size: 15px;
  }
  .footer-brand span {
    display: block;
    font-size: 9px;
    margin: 5px 0 0;
  }
  .back-top {
    font-size: 9px;
    gap: 13px;
  }
}
@media (max-width: 360px) {
  .brand > span {
    font-size: 16px;
  }
  .brand img {
    width: 30px;
    height: 30px;
  }
  .brand small {
    font-size: 5px;
  }
  .site-header nav {
    gap: 14px;
    font-size: 9px;
  }
  .intro-note {
    gap: 8px;
  }
  .intro-note p {
    font-size: 10px;
  }
  .explore-link {
    font-size: 9px;
    gap: 14px;
  }
  .collection-heading p {
    max-width: 138px;
    font-size: 8px;
  }
  .title-row h3 {
    font-size: 25px;
  }
  .exhibition-meta {
    letter-spacing: 0;
  }
  .exhibition-meta span:last-child {
    font-size: 7px;
  }
  .description {
    font-size: 10px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}

.quick-links {
  display: flex;
  gap: 27px;
  font-size: 11px;
  color: var(--ink);
  letter-spacing: 0;
}
.quick-links a {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-bottom: 1px solid transparent;
}
.quick-links a:hover {
  border-bottom-color: var(--ink);
}
.tree .cover-direction {
  color: #334b42;
}
.tree .cover:after {
  background: none;
}
@media (max-width: 680px) {
  .intro-caption {
    display: flex;
    flex-direction: column;
    align-items: start;
    gap: 13px;
  }
  .quick-links {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
    font-size: 10px;
  }
  .quick-links a {
    min-height: 28px;
  }
}
