:root {
  --bg: #F9F9F9;
  --soft: #F1F1F1;
  --line: #EDEDED;
  --line-strong: #E5E5E5;
  --text: #111;
  --sub: #555;
  --sub-2: #777;
  --muted: #999;
  --pale: #aaa;
  --pale-2: #bbb;
  --display: "Cormorant Garamond", Georgia, serif;
  --poem: "Hina Mincho", "Yu Mincho", serif;
  --ui: "Work Sans", Arial, sans-serif;
  --body: "Noto Sans JP", sans-serif;
  --page-pad: 88px;
  --page-pad-sp: 24px;
  --max: 1440px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --header-h: 84px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 14px;
  line-height: 2;
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.is-menu-open,
body.is-lightbox-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  padding: 0;
  cursor: pointer;
}

a:focus-visible,
button:focus-visible {
  outline: 1px solid var(--text);
  outline-offset: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-shell {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(249, 249, 249, .7);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.header-inner {
  height: 84px;
  padding: 0 var(--page-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-family: var(--display);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: .01em;
  line-height: 1;
}

.brand-dash {
  font-family: var(--ui);
  font-weight: 300;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 40px;
}

.site-nav {
  display: flex;
  gap: 34px;
  align-items: center;
  font-family: var(--ui);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--sub);
}

.site-nav a {
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.site-nav a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: var(--text);
}

.lang-switch {
  padding-left: 28px;
  border-left: 1px solid var(--line-strong);
  font-family: var(--ui);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--pale-2);
}

.lang-switch .is-current {
  color: var(--text);
}

.menu-button {
  display: none;
  width: 24px;
  height: 18px;
  position: relative;
}

.menu-button span {
  position: absolute;
  left: 2px;
  width: 20px;
  height: 1px;
  background: var(--text);
  transition: transform 300ms var(--ease), top 300ms var(--ease);
}

.menu-button span:first-child {
  top: 5px;
}

.menu-button span:last-child {
  top: 12px;
}

.is-menu-open .menu-button span:first-child {
  top: 9px;
  transform: rotate(24deg);
}

.is-menu-open .menu-button span:last-child {
  top: 9px;
  transform: rotate(-24deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 15;
  padding: 112px 24px 36px;
  background: rgba(249, 249, 249, .98);
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
}

.is-menu-open .mobile-menu {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 22px;
  font-family: var(--display);
  font-size: 38px;
  line-height: 1.2;
}

.mobile-menu a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 1px;
}

.mobile-lang {
  margin-top: 44px;
  font-family: var(--ui);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--pale-2);
}

.main {
  min-height: 60vh;
}

.section {
  padding: 0 var(--page-pad) 96px;
}

.section:first-child {
  padding-top: 72px;
}

.section-rule {
  border-top: 1px solid var(--line);
  padding-top: 40px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}

.section-title,
.page-title {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  color: var(--text);
  line-height: 1.05;
}

.section-title {
  font-size: 32px;
}

.page-title {
  font-size: 48px;
}

.text-link {
  display: inline-block;
  font-family: var(--ui);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--text);
  padding-bottom: 3px;
}

.outline-button {
  display: inline-block;
  font-family: var(--ui);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  border: 1px solid var(--text);
  padding: 13px 28px;
}

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  height: calc(100svh - var(--header-h));
  min-height: 480px;
  padding: 0 0 12.5vh;
  overflow: hidden;
  color: #fff;
}

.hero-copy {
  position: relative;
  z-index: 3;
  margin: 0 var(--page-pad);
  font-family: var(--poem);
  font-size: 52px;
  line-height: 1.4;
  letter-spacing: .04em;
  font-weight: 400;
  color: #fff;
}

.hero-tagline {
  position: relative;
  z-index: 3;
  margin: 14px var(--page-pad) 0;
  font-family: var(--display);
  font-style: italic;
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: .02em;
  color: rgba(255, 255, 255, .82);
}

.hero-image {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin-top: 0;
}

.hero::after {
  content: "";
  position: absolute;
  z-index: 2;
  inset: auto 0 0 0;
  height: 45%;
  background: linear-gradient(to top, rgba(0, 0, 0, .55), rgba(0, 0, 0, 0));
  pointer-events: none;
}

.works-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.preview-photo img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.caption {
  margin-top: 12px;
  font-family: var(--ui);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--pale);
  line-height: 1.4;
}

.product-preview {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.product-preview-status {
  grid-column: 1 / -1;
  margin: 8px 0 0;
  font-family: var(--display);
  font-style: italic;
  font-size: 14px;
  color: var(--pale-2);
}

.exhibition-preview {
  border-top: 1px solid var(--line);
}

.exhibition-link,
.exhibition-row {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 40px;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
  padding: 26px 4px;
}

.exhibition-year {
  font-family: var(--ui);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--muted);
}

.exhibition-title {
  font-family: var(--poem);
  font-size: 24px;
  color: var(--text);
  line-height: 1.5;
}

.exhibition-arrow {
  font-family: var(--ui);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--pale-2);
}

.about-short {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 64px;
  align-items: start;
}

.portrait {
  width: 100%;
  object-fit: cover;
}

.about-short .portrait {
  height: 380px;
}

.eyebrow {
  font-family: var(--ui);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.body-copy {
  margin: 28px 0 0;
  max-width: 560px;
  color: var(--sub);
  font-size: 14px;
  line-height: 2.2;
}

.role {
  margin-top: 24px;
  font-family: var(--ui);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--sub-2);
}

.contact-band {
  border-top: 1px solid var(--line);
  padding: 88px var(--page-pad) 40px;
}

.contact-title {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.05;
}

.contact-lede {
  max-width: 520px;
  margin: 20px 0 0;
  color: var(--sub-2);
  font-size: 13px;
  line-height: 2;
}

.mail-link {
  display: inline-block;
  margin-top: 28px;
  font-family: var(--display);
  font-size: 24px;
  line-height: 1.2;
  padding-bottom: 4px;
}

.social-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 36px;
  color: var(--sub-2);
}

.social-inline a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: color 300ms ease, background-color 300ms ease;
}

.social-inline a:hover {
  color: var(--text);
  background: rgba(17, 17, 17, .05);
}

.social-inline svg {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  border-top: 1px solid var(--line);
  margin-top: 64px;
  padding-top: 28px;
}

.site-footer-simple {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding: 40px var(--page-pad);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  font-family: var(--ui);
  font-size: 11px;
  letter-spacing: .14em;
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--sub);
}

.footer-copy {
  font-family: var(--ui);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--pale);
}

.page-hero {
  padding: 72px var(--page-pad) 44px;
}

.page-hero.narrow {
  max-width: 720px;
}

.filter-bar {
  display: flex;
  gap: 30px;
  align-items: center;
  overflow-x: auto;
  padding: 0 var(--page-pad) 44px;
}

.filter-chip {
  flex: none;
  font-family: var(--ui);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--muted);
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
}

.filter-chip.is-active {
  color: var(--text);
  border-bottom-color: var(--text);
}

.gallery-wrap {
  padding: 0 var(--page-pad) 80px;
}

.masonry {
  column-count: 4;
  column-gap: 14px;
  transition: opacity 220ms ease;
}

.masonry.is-fading {
  opacity: 0;
}

.gallery-item {
  display: inline-block;
  width: 100%;
  break-inside: avoid;
  margin: 0 0 18px;
  text-align: left;
}

.gallery-item img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 400ms ease;
}

.gallery-item:hover img {
  transform: scale(1.01);
}

.products-section {
  padding: 48px var(--page-pad) 0;
}

.products-section:last-child {
  padding-bottom: 80px;
}

.product-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 36px;
}

.product-section-title {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: 30px;
}

.product-status {
  font-family: var(--display);
  font-style: italic;
  font-size: 20px;
  color: var(--pale-2);
}

.about-page {
  padding: 64px var(--page-pad) 96px;
}

.about-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
}

.about-card .portrait {
  height: 100%;
}

.about-name {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: 36px;
  line-height: 1.1;
}

.about-role {
  margin-top: 8px;
  font-family: var(--ui);
  font-size: 12px;
  letter-spacing: .12em;
  color: #888;
}

.about-body {
  margin: 24px 0 0;
  color: var(--sub);
  font-size: 13px;
  line-height: 2.1;
}

.policy-block {
  margin-top: 40px;
}

.policy-block:first-child {
  margin-top: 0;
}

.about-details {
  border-top: 1px solid var(--line);
  margin-top: 48px;
  padding-top: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.detail-label {
  margin-bottom: 18px;
  font-family: var(--ui);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.detail-text {
  color: #444;
  font-size: 13px;
  line-height: 2.1;
}

.history-text {
  font-family: var(--ui);
  font-size: 13px;
  color: #333;
  line-height: 2;
}

.about-social {
  border-top: 1px solid var(--line);
  margin-top: 36px;
  padding-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-family: var(--ui);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--sub-2);
}

.exhibition-list {
  padding: 0 var(--page-pad) 96px;
}

.exhibition-record {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 32px;
  align-items: start;
  border-top: 1px solid var(--line);
  padding: 36px 0;
}

.exhibition-record:last-child {
  border-bottom: 1px solid var(--line);
}

.exhibition-record-title {
  margin: 0;
  font-family: var(--poem);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.5;
}

.contact-page {
  max-width: 1040px;
  padding: 72px var(--page-pad) 96px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 72px;
  align-items: start;
}

.contact-page .contact-title {
  font-size: 44px;
}

.contact-page .contact-lede {
  font-size: 13px;
  line-height: 2.1;
  color: #666;
  margin-top: 22px;
}

.contact-form {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: var(--ui);
  font-size: 12px;
  letter-spacing: .14em;
  line-height: 1.5;
  text-transform: uppercase;
}

.required-mark {
  color: var(--muted);
  font-weight: 400;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--body);
  font-size: 14px;
  line-height: 1.7;
  letter-spacing: 0;
  padding: 12px 14px;
  outline: none;
}

.contact-form textarea {
  resize: vertical;
  min-height: 160px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--text);
}

.contact-form .outline-button {
  align-self: flex-start;
  margin-top: 4px;
}

.contact-page .mail-link {
  font-size: 28px;
  margin-top: 36px;
}

.rise {
  opacity: 0;
  transform: translateY(14px);
}

.loaded .rise {
  opacity: 1;
  transform: none;
  transition: opacity 1.1s ease, transform 1.1s cubic-bezier(.2, .7, .2, 1);
}

.loaded .rise.d1 {
  transition-delay: .1s;
}

.loaded .rise.d2 {
  transition-delay: .22s;
}

.loaded .rise.d3 {
  transition-delay: .34s;
}

.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 800ms var(--ease), transform 800ms var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  grid-template-rows: 1fr auto;
  background: rgba(249, 249, 249, .98);
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 64px 72px 24px;
}

.lightbox-image-wrap {
  position: relative;
  width: calc(100vw - 120px);
  height: 84vh;
  max-width: 1440px;
}

.lightbox-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 200ms ease; /* フェードアウト用 */
}

.lightbox-image.is-active {
  opacity: 1;
  transition: opacity 300ms ease; /* フェードイン用 */
}

.lightbox-close {
  position: absolute;
  top: 28px;
  right: 32px;
  z-index: 2;
  font-family: var(--ui);
  font-size: 28px;
  line-height: 1;
}

.lightbox-arrow {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 56px;
  height: 72px;
  transform: translateY(-50%);
  opacity: .25;
  transition: opacity 200ms ease;
}

.lightbox-arrow:hover {
  opacity: .7;
}

.lightbox-arrow.prev {
  left: 24px;
}

.lightbox-arrow.next {
  right: 24px;
}

.lightbox-arrow svg {
  width: 28px;
  height: 48px;
  stroke: currentColor;
}

.lightbox-hotzone {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 40%;
  z-index: 1;
}

.lightbox-hotzone.prev {
  left: 0;
  cursor: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'><path d='M19 8 11 16l8 8' fill='none' stroke='%23111' stroke-width='1.2' stroke-linecap='round' stroke-linejoin='round'/></svg>") 16 16, w-resize;
}

.lightbox-hotzone.next {
  right: 0;
  cursor: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'><path d='M13 8l8 8-8 8' fill='none' stroke='%23111' stroke-width='1.2' stroke-linecap='round' stroke-linejoin='round'/></svg>") 16 16, e-resize;
}

.lightbox-thumbs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 12px 32px 24px;
}

.lightbox-thumb {
  flex: 0 0 auto;
  width: 56px;
  height: 56px;
  opacity: .5;
  transition: opacity 300ms ease;
}

.lightbox-thumb.is-active {
  opacity: 1;
}

.lightbox-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 1279px) {
  .masonry {
    column-count: 3;
  }
}

@media (max-width: 959px) {
  .masonry {
    column-count: 2;
  }

  .header-inner,
  .section,
  .contact-band,
  .site-footer-simple,
  .page-hero,
  .gallery-wrap,
  .products-section,
  .about-page,
  .exhibition-list,
  .contact-page,
  .filter-bar {
    padding-left: var(--page-pad-sp);
    padding-right: var(--page-pad-sp);
  }

  .site-nav {
    display: none;
  }

  .header-inner {
    height: 64px;
  }

  .brand {
    font-size: 19px;
  }

  .header-right {
    gap: 18px;
  }

  .lang-switch {
    border-left: 0;
    padding-left: 0;
    font-size: 11px;
    letter-spacing: .08em;
  }

  .menu-button {
    display: block;
  }

  .hero {
    --header-h: 64px;
    min-height: 420px;
  }

  .hero-copy {
    margin-left: var(--page-pad-sp);
    margin-right: var(--page-pad-sp);
    font-size: 30px;
    line-height: 1.5;
  }

  .hero-tagline {
    margin-left: var(--page-pad-sp);
    margin-right: var(--page-pad-sp);
    font-size: 17px;
  }

  .hero {
    padding-bottom: 12.5vh;
  }

  .section {
    padding-bottom: 64px;
  }

  .section-rule {
    padding-top: 28px;
  }

  .section-head {
    margin-bottom: 24px;
  }

  .section-title {
    font-size: 26px;
  }

  .page-title {
    font-size: 36px;
  }

  .works-preview,
  .product-preview,
  .about-card,
  .about-details {
    grid-template-columns: 1fr;
  }

  .works-preview {
    gap: 14px;
  }

  .preview-photo img {
    height: auto;
    aspect-ratio: 1 / 1;
  }

  .product-preview {
    gap: 16px;
  }

  .exhibition-link,
  .exhibition-row {
    display: block;
    padding: 20px 0;
  }

  .exhibition-title {
    margin-top: 6px;
    font-size: 19px;
  }

  .exhibition-arrow {
    display: none;
  }

  .about-short {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .about-short .portrait,
  .about-card .portrait {
    height: auto;
    aspect-ratio: 7 / 9;
  }

  .contact-title {
    font-size: 32px;
  }

  .mail-link,
  .contact-page .mail-link {
    font-size: 19px;
    overflow-wrap: anywhere;
  }

  .site-footer,
  .site-footer-simple {
    align-items: flex-start;
    flex-direction: column;
  }

  .filter-bar {
    gap: 22px;
    padding-bottom: 28px;
  }

  .gallery-wrap {
    padding-bottom: 48px;
  }

  .products-section {
    padding-top: 32px;
  }

  .product-section-head {
    display: flex;
  }

  .product-section-title {
    font-size: 24px;
  }

  .product-status {
    font-size: 15px;
  }

  .about-page {
    padding-top: 48px;
  }

  .about-name {
    font-size: 32px;
  }

  .exhibition-record {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .contact-page {
    max-width: none;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contact-form .form-row {
    grid-template-columns: 1fr;
  }

  .lightbox-stage {
    padding: 56px 24px 12px;
  }

  .lightbox-image-wrap {
    width: calc(100vw - 48px);
    height: 76vh;
  }

  .lightbox-arrow {
    display: none;
  }

  .lightbox-close {
    top: 20px;
    right: 24px;
  }

  .lightbox-thumbs {
    padding: 10px 24px 20px;
  }
}

@media (max-width: 599px) {
  .masonry {
    column-count: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
  }

  .rise,
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}