/* =====================================================
   IGGG Studio — B Plan
   BIG-inspired editorial portfolio
   White / Black / Grey. Photography is the only color.
   ===================================================== */

:root {
  --c-bg: #ffffff;
  --c-fg: #000000;
  --c-grey-1: #6b6b6b;
  --c-grey-2: #797979;
  --c-grey-3: #b5b5b5;
  --c-line: #ececec;

  --ff-sans: "Archivo", "Pretendard Variable", "Pretendard", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --ff-mono: "Martian Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --container-max: 1160px;
  --pad-x: 19px;
  --pad-x-desk: 32px;
  --header-h: 50px;
  --header-h-desk: 64px;

  --t-fast: 0.15s;
  --t-base: 0.3s;
  --t-slow: 0.5s;
  --t-slower: 0.78s;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --gallery-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --gallery-duration: 1500ms;
}

*,
*::before,
*::after { box-sizing: border-box; }

/* iOS 사파리 가로 오버플로 차단.
   - html에는 clip만(구형 iOS는 무시 → sticky 헤더 안전).
   - body는 hidden(구형 폴백) → clip(신형) 순으로 선언해 자동 폴백. */
html { -webkit-text-size-adjust: 100%; overflow-x: clip; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--c-bg);
  color: var(--c-fg);
  font-family: var(--ff-sans);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  word-break: keep-all;
  overflow-wrap: break-word;
}
body {
  overflow-x: hidden; /* fallback: 구형 iOS / 기타 브라우저 */
  overflow-x: clip;   /* 신형: sticky·containing-block 영향 없음 */
}

img, svg, video { display: block; max-width: 100%; height: auto; }
img { background: #f6f6f6; }

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--t-base) var(--ease);
}
a:hover { opacity: 0.55; }

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

::selection { background: #000; color: #fff; }

.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;
}
.sr-only:focus { position: fixed; top: 8px; left: 8px; width: auto; height: auto; clip: auto; background: #000; color: #fff; padding: 8px 12px; z-index: 999; }

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}
@media (min-width: 768px) {
  .container { padding-left: var(--pad-x-desk); padding-right: var(--pad-x-desk); }
}

/* =====================================================
   Header
   ===================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--c-bg);
  height: var(--header-h);
  border-bottom: 1px solid var(--c-line);
}
@media (min-width: 768px) {
  .site-header { height: var(--header-h-desk); }
}
.site-header__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  height: 100%;
}
@media (min-width: 768px) {
  .site-header__inner { grid-template-columns: 1fr 1fr 1fr; }
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.01em;
}
.brand strong {
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.005em;
}
.brand span { color: var(--c-grey-1); font-size: 11px; font-family: var(--ff-mono); letter-spacing: 0.02em; text-transform: uppercase; }

.header-meta {
  display: none;
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-grey-1);
  justify-content: center;
  align-items: center;
  gap: 18px;
  min-height: 14px;
  transition: opacity var(--t-base) var(--ease);
}
@media (min-width: 768px) {
  .header-meta { display: flex; }
}
.header-meta__label { color: var(--c-grey-3); }
.header-meta.is-fading { opacity: 0; }

.header-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 18px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.header-actions__nav {
  display: flex;
  align-items: center;
  gap: 18px;
}
.header-actions a { color: var(--c-fg); }
.header-actions__divider { width: 1px; height: 12px; background: var(--c-grey-3); }
@media (max-width: 519px) {
  .header-actions { gap: 12px; }
  .header-actions__nav { display: flex; }
  .header-actions__nav .nav-works { display: none; }
}

/* =====================================================
   Manifesto / Opening
   ===================================================== */
.opening {
  display: none;
  padding-top: 24px;
  padding-bottom: 18px;
  border-bottom: 0;
}
@media (min-width: 768px) {
  .opening {
    padding-top: 30px;
    padding-bottom: 18px;
    display: none;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 520px);
    gap: 32px;
    align-items: baseline;
  }
}
.opening__index {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-grey-2);
  margin-bottom: 14px;
}
@media (min-width: 768px) {
  .opening__index { margin-bottom: 0; }
}
.opening__statement {
  font-size: 15px;
  line-height: 1.45;
  letter-spacing: -0.002em;
  max-width: 520px;
  font-weight: 400;
  margin: 0;
  color: var(--c-fg);
  word-break: keep-all;
}
.opening__statement em {
  font-style: normal;
  color: var(--c-grey-1);
}
.opening__statement span {
  display: block;
  margin-top: 8px;
  font-size: 0.82em;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--c-grey-2);
}
@media (min-width: 768px) {
  .opening__statement { font-size: 16px; }
}
@media (min-width: 1024px) {
  .opening__statement { font-size: 17px; }
}
.opening__meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 32px;
  margin-top: 40px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-grey-1);
}
@media (min-width: 768px) {
  .opening__meta { grid-template-columns: repeat(4, 1fr); margin-top: 64px; }
}
.opening__meta dt { color: var(--c-grey-3); margin-bottom: 6px; font-size: 10px; }
.opening__meta dd { margin: 0; color: var(--c-fg); font-size: 12px; letter-spacing: 0.02em; }

/* =====================================================
   Section header
   ===================================================== */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 10px;
  padding-bottom: 22px;
  border-bottom: 0;
  margin-bottom: 0;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-grey-1);
}
@media (min-width: 768px) {
  .section-head { padding-top: 16px; padding-bottom: 26px; }
}
.section-head__title { color: var(--c-fg); font-weight: 400; }
.section-head__meta { color: var(--c-grey-2); }

/* =====================================================
   Project index
   ===================================================== */
.index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 30px;
}
@media (min-width: 768px) {
  .index-list { gap: 26px; }
}
.project {
  border-bottom: 0;
}
.project.is-active {
  z-index: 2;
}
.project__row {
  display: flex;
  flex-direction: column;
  padding: 0;
  position: relative;
}
@media (min-width: 768px) {
  .project__row {
    display: grid;
    grid-template-columns: minmax(180px, 300px) minmax(300px, 451px);
    justify-content: center;
    align-items: start;
    gap: 5vw;
  }
}
.project__line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  order: 2;
  margin-top: 9px;
  /* 썸네일(.project__media: max-width 451px, 좌측 정렬)과 동일 폭으로 캡 →
     연도(우측 정렬)가 화면 끝이 아닌 썸네일 우측 끝에 정렬, 제목은 좌측 정렬.
     PC(≥768px)는 .project__row grid의 왼쪽 텍스트 컬럼(≤300px) 안이라
     max-width:451이 자연히 무효 — 레이아웃 영향 없음. */
  max-width: 451px;
}
@media (min-width: 768px) {
  .project__line {
    display: block;
    order: 1;
    margin-top: 0;
    padding-top: 1px;
    text-align: right;
  }
}
.project__num {
  display: none;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--c-grey-3);
}
.project__title {
  font-size: 14px;
  line-height: 1.25;
  letter-spacing: -0.005em;
  font-weight: 400;
  color: var(--c-fg);
  margin: 0;
}
@media (min-width: 768px) {
  .project__title { font-size: 15px; }
}
.project__title-en {
  display: block;
  font-family: var(--ff-sans);
  font-size: 10.5px;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--c-grey-2);
  margin-top: 6px;
}
.project__typology,
.project__location,
.project__year {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-grey-1);
}
.project__typology,
.project__location { display: none; }
@media (min-width: 768px) {
  .project__typology,
  .project__location { display: none; }
}
.project__year { text-align: right; color: var(--c-grey-2); }
@media (min-width: 768px) {
  .project__year {
    display: block;
    margin-top: 8px;
    text-align: right;
  }
}

/* Cursor-following images are intentionally disabled in this thumbnail-first index. */
.project__hover {
  position: fixed;
  pointer-events: none;
  width: 340px;
  height: 240px;
  z-index: 100;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: opacity var(--t-base) var(--ease);
  display: none;
}
.project__hover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #f0f0f0;
}
.project__hover.is-visible { opacity: 1; }

/* Thumbnail-first index */
.project__media {
  margin-top: 0;
  display: block;
  order: 1;
  /* 펼침 표지(.project-gallery__box--cover: min(100vw - 38px, 451px))와 동일
     상한으로 통일 → 화면 넓혀도 451px에서 멈추고 닫힘↔펼침 크기 점프 없음.
     PC(≥768px)는 .project__row grid의 minmax(300px, 451px) 컬럼으로 이미
     451 캡이라 영향 없음. mobile에서만 실제 효과. */
  max-width: 451px;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f0f0f0;
}
@media (min-width: 768px) {
  .project__media {
    order: 2;
    width: 100%;
  }
}
.project__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #f0f0f0;
}
.project.is-open .project__media { display: block; }
.project__line,
.project__media {
  transition: opacity 240ms var(--gallery-ease);
}
.project.is-opening .project__row,
.project.is-active .project__row,
.project.is-closing .project__row {
  pointer-events: none;
}
.project.is-opening .project__row .project__line,
.project.is-opening .project__row .project__media,
.project.is-active .project__row .project__line,
.project.is-active .project__row .project__media,
.project.is-closing .project__row .project__line,
.project.is-closing .project__row .project__media {
  opacity: 0;
}

.project-gallery {
  display: none;
  margin-top: calc(-1 * (min(451px, 100vw - 38px) * 0.75 + 34px));
  position: relative;
}
.project.is-opening .project-gallery,
.project.is-active .project-gallery,
.project.is-closing .project-gallery {
  display: block;
}
.project-gallery__rail {
  display: block;
  width: min(100%, 451px);
  max-width: min(100%, 451px);
  height: calc(min(451px, 100vw - 38px) * 0.75);
  overflow-x: hidden;
  overflow-y: visible;
  scroll-behavior: auto;
  scrollbar-width: none;
  transition:
    width var(--gallery-duration) var(--gallery-ease),
    max-width var(--gallery-duration) var(--gallery-ease),
    margin var(--gallery-duration) var(--gallery-ease);
}
.project-gallery__rail::-webkit-scrollbar { display: none; }
.project-gallery__track {
  display: flex;
  flex-flow: row nowrap;
  align-items: stretch;
  width: max-content;
  height: 100%;
  will-change: transform;
}
.project.is-active .project-gallery__rail {
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  overflow-x: auto;
  cursor: grab;
}
.project.is-active .project-gallery__rail:active { cursor: grabbing; }
.project-gallery__box {
  flex: 0 0 auto;
  height: 100%;
  background: #f0f0f0;
  overflow: hidden;
  position: relative;
}
.project-gallery__box--cover {
  width: min(100vw - 38px, 451px);
}
.project-gallery__box--info {
  width: min(310px, 78vw);
  padding: 0 20px 0 18px;
  background: #fff;
  color: var(--c-fg);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.project-gallery__box--info h3 {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.3;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.project-gallery__box--info h3 span {
  display: block;
  margin-top: 5px;
  font-family: var(--ff-sans);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--c-grey-2);
}
.project-gallery__box--info p {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.55;
  word-break: keep-all;
  color: var(--c-fg);
}
.project-gallery__box--info .project-gallery__desc-en {
  font-family: var(--ff-sans);
  font-size: 11px;
  line-height: 1.65;
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--c-grey-2);
  margin-bottom: 16px;
}
.project-gallery__box--info dl {
  margin: auto 0 0;
  display: grid;
  gap: 5px;
}
.project-gallery__box--info dl div {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
}
.project-gallery__box--info dt,
.project-gallery__box--info dd {
  margin: 0;
  font-family: var(--ff-mono);
  font-size: 10px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.project-gallery__box--info dt { color: var(--c-grey-3); }
.project-gallery__box--info dd { color: var(--c-fg); }
.project-gallery__box--image {
  width: auto;
  min-width: 0;
  position: relative;
}
/* 가로 트랙(.project-gallery__track, row nowrap)에서 image 박스끼리만 16px 간격.
   첫 image의 왼쪽 이웃은 info → 영향 없음. cover↔info 데스크톱 40px 균형 유지. */
.project-gallery__box--image + .project-gallery__box--image {
  margin-left: 16px;
}
.project-gallery__box img {
  display: block;
  height: 100%;
  width: 100%;
  object-fit: cover;
}
.project-gallery__box--image img {
  width: auto;
  max-width: none;
  object-fit: contain;
}
.project-gallery__last-link {
  position: relative;
  display: block;
  height: 100%;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  overflow: hidden;
}
.project-gallery__box--cta img {
  filter: blur(7px) brightness(0.68);
  transform: scale(1.035);
  transform-origin: center;
}
.project-gallery__more {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 128px;
  height: 40px;
  padding: 0 18px;
  border: 1px solid #000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: -0.01em;
  color: #000;
  opacity: 1;
  transform: translate(-50%, -50%);
  pointer-events: none;
  transition:
    background 160ms var(--ease),
    color 160ms var(--ease);
}
.project-gallery__last-link:hover .project-gallery__more,
.project-gallery__last-link:focus-visible .project-gallery__more {
  background: #000;
  color: #fff;
}

@media (min-width: 768px) {
  .project-gallery__more {
    min-width: 148px;
    height: 42px;
  }
}

@media (min-width: 768px) {
  .project-gallery {
    margin-top: calc(-1 * ((451px * 0.75) + 1px));
  }
  .project-gallery__rail {
    margin-left: calc(50% + 2.5vw - 225.5px);
    height: calc(451px * 0.75);
  }
  .project-gallery__box--cover {
    width: 451px;
    /* 표지-텍스트(info) 사이 여백. info 폭·내부 padding·info-image 간격은
       그대로 두고 표지 오른쪽만 벌림. */
    margin-right: 40px;
  }
  .project-gallery__box--info {
    /* PC 고정 폭 — 화면을 가득 채우던 max(420, 100vw-...) 공식을 텍스트 분량에
       맞는 적정 폭으로 축소. 표지(451)-info(460)-다음 사진의 간격 균형. */
    width: 460px;
    padding-left: 0;
    padding-right: 32px;
  }
  .project-gallery__box--info h3 {
    font-size: 18px;
  }
}

@media (min-width: 1200px) {
  .project-gallery__box--info {
    /* 큰 화면은 한 톤 더 여유 — 480px. 그래도 화면 가득 차지 않음. */
    width: 480px;
  }
}

/* Hover state for project row */
.project__row:hover .project__title,
.project__row:focus-visible .project__title {
  opacity: 0.55;
}
.project__row {
  transition: opacity var(--t-fast) var(--ease);
}

/* =====================================================
   About / Contact prelude
   ===================================================== */
.about {
  padding-top: 56px;
  padding-bottom: 56px;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
@media (min-width: 768px) {
  .about { padding-top: 96px; padding-bottom: 96px; }
}
.about__grid {
  display: grid;
  gap: 40px;
}
@media (min-width: 768px) {
  .about__grid {
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
    gap: 80px;
  }
}
.about__label {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-grey-2);
}
.about__body {
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -0.003em;
  color: var(--c-fg);
}
.about__body p { margin: 0 0 20px; }
.about__body p:last-child { margin-bottom: 0; }
.about__jp {
  color: var(--c-grey-2);
  font-size: 0.78em;
  line-height: 1.75;
  letter-spacing: 0.01em;
}
@media (min-width: 768px) {
  .about__body { font-size: 19px; }
}
.about__detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 32px;
  margin-top: 32px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-grey-1);
}
@media (min-width: 768px) {
  .about__detail-grid { grid-template-columns: repeat(3, 1fr); }
}
.about__detail-grid dt { color: var(--c-grey-3); font-size: 10px; margin-bottom: 4px; }
.about__detail-grid dd { margin: 0; color: var(--c-fg); font-size: 12px; }

/* =====================================================
   Contact CTA
   ===================================================== */
.contact-cta {
  padding-top: 64px;
  padding-bottom: 72px;
  text-align: left;
}
@media (min-width: 768px) {
  .contact-cta {
    padding-top: 104px;
    padding-bottom: 112px;
    display: grid;
    grid-template-columns: minmax(0, 300px) minmax(0, 560px);
    justify-content: center;
    gap: 5vw;
  }
}
.contact-cta__label {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-grey-2);
  margin-bottom: 22px;
}
@media (min-width: 768px) {
  .contact-cta__label {
    text-align: right;
    margin-bottom: 0;
  }
}
.contact-cta__big {
  font-size: clamp(24px, 6.2vw, 32px);
  line-height: 1.1;
  letter-spacing: -0.012em;
  font-weight: 400;
  margin: 0;
  max-width: 560px;
  word-break: normal;
}
@media (min-width: 768px) {
  .contact-cta__big { font-size: 38px; line-height: 1.08; }
}
@media (min-width: 1024px) {
  .contact-cta__big { font-size: 44px; }
}
.contact-cta__big a {
  display: inline-block;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  white-space: nowrap;
  word-break: keep-all;
  overflow-wrap: normal;
  transition: opacity var(--t-base) var(--ease);
}
.contact-cta__big a:hover { opacity: 0.55; }

.contact-cta__hint {
  font-family: var(--ff-sans);
  font-size: 14px;
  line-height: 1.7;
  letter-spacing: -0.018em;
  text-transform: none;
  color: var(--c-grey-1);
  margin: 18px 0 0;
  max-width: 460px;
  word-break: keep-all;
}
@media (min-width: 768px) {
  .contact-cta__hint { font-size: 15px; margin-top: 22px; }
}

/* =====================================================
   Footer
   ===================================================== */
.site-footer {
  border-top: 1px solid var(--c-line);
  font-family: var(--ff-sans);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px 40px;
  padding: 32px 0;
  border-bottom: 1px solid var(--c-line);
}
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding: 42px 0 36px;
  }
}
.footer-grid dl { margin: 0; }
.footer-grid dt {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-grey-2);
  margin-bottom: 7px;
}
.footer-grid dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--c-fg);
}
.footer-grid a { display: inline-block; }

.foot-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 22px 0 26px;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-grey-2);
}
.foot-base a:hover { color: var(--c-fg); }

/* =====================================================
   Lightbox (used on detail pages)
   ===================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.96);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 32px;
  cursor: zoom-out;
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 100%; max-height: 100%; object-fit: contain; }
.lightbox__close {
  position: absolute;
  top: 16px;
  right: 24px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* =====================================================
   Detail pages
   ===================================================== */
.detail-hero {
  padding-top: 32px;
  padding-bottom: 28px;
}
@media (min-width: 768px) {
  .detail-hero { padding-top: 56px; padding-bottom: 40px; }
}
.detail-hero__breadcrumb {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-grey-2);
  margin-bottom: 24px;
}
.detail-hero__breadcrumb a:hover { opacity: 0.55; }
.detail-hero__title {
  font-size: 32px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  font-weight: 400;
  margin: 0 0 8px;
  word-break: keep-all;
}
@media (min-width: 768px) {
  .detail-hero__title { font-size: 44px; }
}
.detail-hero__sub {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-grey-1);
}
.detail-hero__meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 32px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--c-line);
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-grey-1);
}
@media (min-width: 768px) {
  .detail-hero__meta { grid-template-columns: repeat(4, 1fr); }
}
.detail-hero__meta dt { color: var(--c-grey-3); font-size: 10px; margin-bottom: 4px; }
.detail-hero__meta dd { margin: 0; color: var(--c-fg); font-size: 12px; }
.detail-hero__desc {
  font-size: 17px;
  line-height: 1.55;
  color: var(--c-fg);
  margin: 32px 0 0;
  max-width: 720px;
}
.detail-hero__desc-jp {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-grey-2);
  margin: 10px 0 0;
  max-width: 720px;
}

.gallery {
  padding-bottom: 80px;
}
.gallery__item {
  /* 사진 간 세로 간격 16px 명시. figure UA 기본 margin-bottom 1em에 의존하지 않도록
     margin-bottom: 0 까지 함께 지정 → 환경 무관하게 인접 사진 간 = 16px 고정. */
  margin: 16px 0 0;
}
.gallery__item img {
  width: 100%;
  height: auto;
}
.gallery__item:first-child { margin-top: 32px; }

.detail-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0;
  border-top: 1px solid var(--c-line);
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-grey-1);
}
.detail-nav a:hover { opacity: 0.55; }
.detail-nav__label { display: block; color: var(--c-grey-3); font-size: 10px; margin-bottom: 4px; }
.detail-nav strong { font-family: var(--ff-sans); font-size: 14px; color: var(--c-fg); font-weight: 400; text-transform: none; letter-spacing: -0.005em; }

/* =====================================================
   Filter chips
   ===================================================== */
.filters {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding: 24px 0 8px;
}
.filter {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-grey-1);
  padding: 7px 12px;
  border: 1px solid var(--c-line);
  background: transparent;
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.filter:hover { color: var(--c-fg); border-color: var(--c-grey-3); }
.filter[aria-pressed="true"] {
  color: #fff;
  background: var(--c-fg);
  border-color: var(--c-fg);
}
.filter__count {
  margin-left: 6px;
  color: var(--c-grey-3);
}
.filter[aria-pressed="true"] .filter__count { color: rgba(255,255,255,0.55); }

/* Hide projects when filtered */
.project.is-hidden { display: none; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .contact-cta__big a { background-size: 0% 1px; }
}