:root {
  --bg: #060606;
  --text: #efefef;
  --muted: #a9a9a9;
  --line: rgba(255, 255, 255, 0.14);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Avenir Next", "Helvetica Neue", Helvetica, Arial, "Hiragino Sans GB", "Yu Gothic", "Noto Sans JP", sans-serif;
  font-weight: 400;
}

a {
  color: var(--text);
  text-decoration: none;
}

.rize-main {
  min-height: 100vh;
  margin-left: 180px;
}

.rize-side-nav {
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: 30;
  width: 150px;
}

.rize-side-nav ul {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
}

.rize-side-nav li {
  margin: 6px 0;
}

.rize-side-nav a {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transform-origin: left center;
  transition: transform 0.22s ease;
}

.rize-side-nav a:hover,
.rize-side-nav a:focus-visible {
  transform: scale(1.08);
}

.rize-nav-toggle {
  display: none;
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 60;
  width: 44px;
  height: 44px;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.rize-nav-toggle__bar {
  display: block;
  width: 22px;
  height: 1px;
  margin: 6px auto;
  background: var(--text);
  transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
}

.rize-nav-toggle.is-active .rize-nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.rize-nav-toggle.is-active .rize-nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.rize-nav-toggle.is-active .rize-nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.rize-nav-toggle:focus-visible {
  outline: 1px solid rgba(255, 255, 255, 0.5);
  outline-offset: 4px;
}

.rize-splash {
  position: fixed;
  inset: 0;
  z-index: 50;
  background-color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.rize-splash.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.rize-splash-logo {
  padding: 0 24px;
  text-align: center;
}

.rize-splash-logo img {
  display: block;
  width: min(560px, 72vw);
  height: auto;
}


.rize-home-slider {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

.rize-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.8s ease;
}

.rize-slide.is-active {
  opacity: 1;
}

.rize-slide img,
.rize-slide-fallback {
  width: 100%;
  height: 100vh;
  object-fit: cover;
  background: linear-gradient(135deg, #111, #333);
}

.rize-page-section {
  padding: 56px 44px;
}

.rize-page-header {
  border-bottom: 1px solid var(--line);
  margin-bottom: 20px;
}

.rize-page-header h1 {
  margin: 0 0 14px;
  font-weight: 400;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.rize-page-section--philosophy {
  text-align: left;
}

.rize-page-header--philosophy {
  text-align: left;
  max-width: 640px;
  margin: 0 auto 24px;
  border-bottom: 0;
}

.rize-page-header--philosophy h1 {
  margin-left: auto;
  margin-right: auto;
  font-size: 12px;
}

.rize-prose {
  max-width: 860px;
  line-height: 1.9;
  color: #ddd;
}

.rize-page-section .rize-prose--contact {
  font-family: "MS PGothic", "MS Gothic", "Yu Gothic", "Meiryo", sans-serif;
}

.rize-philosophy {
  max-width: 980px;
  margin: 0 auto;
}

.rize-philosophy-copy {
  text-align: left;
  max-width: 640px;
  margin: 0 auto;
}

.rize-philosophy-copy p {
  margin: 0;
  color: var(--text);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: 0.12em;
  white-space: normal;
}

.rize-philosophy-copy p:first-child {
  font-family: "Songti SC", "STSong", "SimSun", serif;
}

.rize-philosophy-copy p:nth-child(2) {
  font-family: "MS PGothic", "MS Gothic", "Yu Gothic", "Meiryo", sans-serif;
}

.rize-philosophy-copy p + p {
  margin-top: 58px;
}

.rize-philosophy-links {
  margin-top: 70px;
}

.rize-philosophy-links__line {
  height: 1px;
  background: rgba(255, 255, 255, 0.45);
}

.rize-philosophy-links__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
  padding: 56px 18px;
}

.rize-philosophy-links__grid a {
  color: var(--text);
  text-align: center;
  display: inline-flex;
  flex-direction: column;
  gap: 10px;
  justify-self: center;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.rize-philosophy-links__grid a:hover,
.rize-philosophy-links__grid a:focus-visible {
  opacity: 0.78;
  transform: translateY(-2px);
}

.rize-philosophy-links__grid span {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.rize-philosophy-links__grid strong {
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.rize-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.rize-grid-curatorial .rize-card:nth-child(5n + 2),
.rize-grid-curatorial .rize-card:nth-child(5n + 5) {
  transform: translateY(28px);
}

.rize-grid--project-masonry {
  display: block;
  column-count: 4;
  column-gap: 18px;
}

.rize-grid--project-masonry .rize-card {
  display: inline-block;
  width: 100%;
  margin: 0 0 18px;
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  transform: none;
}

.rize-grid--project-masonry .rize-card:nth-child(5n + 2),
.rize-grid--project-masonry .rize-card:nth-child(5n + 5) {
  transform: none;
}

.rize-card {
  border: 0;
  background: #0d0d0d;
  transition: transform 0.35s ease, border-color 0.35s ease;
  align-self: start;
}

.rize-card:hover {
  transform: translateY(-3px);
  border-color: transparent;
}

.rize-card--exhibition {
  border: 0;
}

.rize-card--exhibition:hover {
  border-color: transparent;
}

.rize-card--exhibition img,
.rize-card--exhibition .rize-card-fallback {
  height: auto;
  object-fit: contain;
}

.rize-card img,
.rize-card-fallback {
  width: 100%;
  height: auto;
  object-fit: contain;
  background: #222;
}

.rize-grid-curatorial .rize-card--exhibition img,
.rize-grid-curatorial .rize-card--exhibition .rize-card-fallback {
  height: auto;
  object-fit: contain;
}

.rize-grid-curatorial .rize-card--project img,
.rize-grid-curatorial .rize-card--project .rize-card-fallback {
  height: auto;
  object-fit: contain;
}

.rize-card-meta {
  margin: 11px 12px 8px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: #bdbdbd;
  font-size: 10px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.rize-card h2 {
  margin: 10px 12px 8px;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.03em;
}

.rize-card p {
  margin: 0 12px 14px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.rize-single {
  padding: 50px 40px;
}

.rize-single--exhibition {
  max-width: min(1360px, calc(100vw - 56px));
  margin: 0 auto;
  padding-left: 0;
  padding-right: 0;
}

.rize-single h1 {
  margin-top: 0;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rize-single-meta {
  margin: 6px 0 20px;
  display: flex;
  gap: 18px;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.rize-single-media img {
  width: 100%;
  height: auto;
  margin-bottom: 18px;
}

.rize-single--project .rize-single-media img {
  height: auto;
  object-fit: contain;
}

.rize-opening-intro-media {
  margin: 0 0 22px;
}

.rize-opening-intro-media img {
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
  display: block;
  background: #0d0d0d;
}

.rize-opening-copy {
  max-width: 100%;
  width: 100%;
  margin-bottom: 28px;
}

.rize-opening-gallery {
  width: 100%;
  display: grid;
  gap: 18px;
}

.rize-opening-gallery__item {
  margin: 0;
}

.rize-opening-gallery__item img {
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
  display: block;
  background: #0d0d0d;
}

.rize-exhibition-waterfall {
  column-count: 1;
  column-gap: 22px;
}

.rize-waterfall-block {
  break-inside: avoid;
  margin: 0 0 22px;
  background: #0d0d0d;
}

.rize-waterfall-block__media img,
.rize-waterfall-block__media .rize-card-fallback {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

.rize-waterfall-block--image.is-landscape .rize-waterfall-block__media img,
.rize-waterfall-block--image.is-landscape .rize-waterfall-block__media .rize-card-fallback {
  aspect-ratio: auto;
  min-height: 0;
}

.rize-waterfall-block--image.is-portrait .rize-waterfall-block__media img,
.rize-waterfall-block--image.is-portrait .rize-waterfall-block__media .rize-card-fallback {
  aspect-ratio: auto;
  min-height: 0;
}

.rize-waterfall-block--text {
  padding: 20px 18px;
}

.rize-waterfall-block--text p {
  margin: 0;
  color: var(--text);
  line-height: 1.9;
}

@media (max-width: 1200px) {
  .rize-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .rize-grid-curatorial .rize-card:nth-child(5n + 2),
  .rize-grid-curatorial .rize-card:nth-child(5n + 5) {
    transform: none;
  }

  .rize-grid--project-masonry {
    column-count: 3;
  }
}

@media (max-width: 900px) {
  .rize-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .rize-grid--project-masonry {
    column-count: 2;
  }
}

@media (max-width: 768px) {
  .rize-main {
    margin-left: 0;
    padding-bottom: 0;
  }

  .rize-nav-toggle {
    display: block;
  }

  .rize-side-nav {
    left: auto;
    right: 0;
    bottom: auto;
    top: 0;
    z-index: 55;
    width: min(100%, 320px);
    height: 100vh;
    height: 100dvh;
    padding: 88px 28px 32px;
    background: rgba(6, 6, 6, 0.97);
    border-left: 1px solid var(--line);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(12px);
    transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease;
  }

  .rize-side-nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(0);
  }

  .rize-side-nav ul {
    margin: 0;
    text-align: right;
  }

  .rize-side-nav li {
    margin: 0;
    border-bottom: 1px solid var(--line);
  }

  .rize-side-nav li:last-child {
    border-bottom: 0;
  }

  .rize-side-nav a {
    display: block;
    padding: 16px 0;
    font-size: 13px;
    letter-spacing: 0.16em;
  }

  body.rize-nav-open {
    overflow: hidden;
  }

  body.rize-nav-open::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 45;
    background: rgba(0, 0, 0, 0.55);
  }

  .rize-slide img,
  .rize-slide-fallback {
    height: 100vh;
    height: 100dvh;
  }

  .rize-splash-logo {
    padding: 0 20px;
  }

  .rize-splash-logo img {
    width: min(360px, 82vw);
  }

  .rize-page-section {
    padding: 72px 20px 40px;
  }

  .rize-page-header h1 {
    font-size: 20px;
  }

  .rize-page-header--philosophy h1 {
    font-size: 13px;
  }

  .rize-philosophy-copy {
    max-width: 100%;
  }

  .rize-philosophy-copy p {
    font-size: 13px;
  }

  .rize-philosophy-copy p + p {
    margin-top: 38px;
  }

  .rize-philosophy-links {
    margin-top: 48px;
  }

  .rize-philosophy-links__grid {
    gap: 14px;
    padding: 34px 8px;
  }

  .rize-philosophy-links__grid span,
  .rize-philosophy-links__grid strong {
    font-size: 13px;
  }

  .rize-single {
    padding: 72px 20px 40px;
  }

  .rize-single--exhibition {
    max-width: 100%;
    padding: 68px 12px 32px;
  }

  .rize-single h1 {
    font-size: 18px;
    line-height: 1.35;
  }

  .rize-single-meta {
    flex-wrap: wrap;
    gap: 10px;
    font-size: 10px;
    margin-bottom: 14px;
  }

  .rize-opening-intro-media,
  .rize-opening-copy,
  .rize-opening-gallery__item,
  .rize-waterfall-block {
    margin-bottom: 14px;
  }

  .rize-opening-copy {
    max-width: 100%;
    line-height: 1.8;
  }

  .rize-exhibition-waterfall {
    column-count: 1;
    column-gap: 0;
  }

  .rize-waterfall-block--image.is-landscape .rize-waterfall-block__media img,
  .rize-waterfall-block--image.is-landscape .rize-waterfall-block__media .rize-card-fallback {
    min-height: 0;
    aspect-ratio: auto;
  }

  .rize-waterfall-block--image.is-portrait .rize-waterfall-block__media img,
  .rize-waterfall-block--image.is-portrait .rize-waterfall-block__media .rize-card-fallback {
    min-height: 0;
    aspect-ratio: auto;
  }

  .rize-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .rize-grid--project-masonry {
    column-count: 1;
    column-gap: 0;
  }

  .rize-grid--project-masonry .rize-card {
    margin-bottom: 14px;
  }

  .rize-grid-curatorial .rize-card--exhibition img,
  .rize-grid-curatorial .rize-card--exhibition .rize-card-fallback {
    height: auto;
    object-fit: contain;
  }

  .rize-grid-curatorial .rize-card--project img,
  .rize-grid-curatorial .rize-card--project .rize-card-fallback {
    height: auto;
    object-fit: contain;
  }
}

@media (max-width: 640px) {
  .rize-nav-toggle {
    top: 16px;
    right: 16px;
  }

  .rize-side-nav {
    width: 100%;
    border-left: 0;
  }

  .rize-single--exhibition {
    padding: 64px 10px 28px;
  }

  .rize-single--exhibition .rize-prose {
    font-size: 12px;
    line-height: 1.85;
  }
}