/* /photo-collection/ — トップページ系譜の古写真ハブ */

.pc-page {
  font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
  color: #2b221c;
}

.pc-hero,
.pc-block {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.pc-hero {
  padding: clamp(2.5rem, 6vw, 4.5rem) 1.25rem clamp(1.5rem, 3vw, 2.5rem);
}

.pc-hero__inner,
.pc-block__grid {
  position: relative;
  z-index: 1;
  margin: 0 auto;
  max-width: 78rem;
}

.pc-kicker {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: #8a7a68;
}

.pc-hero__genre {
  margin: 1.05rem 0 0;
  font-size: clamp(1.15rem, 2.8vw, 1.7rem);
  font-weight: 600;
  letter-spacing: 0.32em;
  line-height: 1.2;
  color: #8b2e24;
}

.pc-hero__name {
  margin: 0.45rem 0 0;
  max-width: 46rem;
  font-size: clamp(1.55rem, 3.4vw, 2.45rem);
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.4;
  color: #1a1714;
  text-wrap: pretty;
}

.pc-hero__headline {
  display: flex;
  flex-direction: column;
  gap: 0.35em;
  margin: 1.35rem 0 0;
  max-width: 42rem;
  font-size: clamp(1.05rem, 2.4vw, 1.45rem);
  font-weight: 500;
  line-height: 1.65;
  letter-spacing: 0.08em;
  color: #3d342d;
}

.pc-hero__summary {
  margin: 1.25rem 0 0;
  max-width: 42rem;
  font-size: clamp(0.82rem, 1.5vw, 0.95rem);
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: #5c5349;
}

.pc-block {
  padding: clamp(2.5rem, 6vw, 4.25rem) 1.25rem;
  border-top: 1px solid rgba(168, 168, 168, 0.45);
}

.pc-block:nth-child(even) {
  background-color: rgba(246, 246, 246, 0.55);
}

.pc-block__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
  gap: clamp(1.75rem, 4vw, 4rem);
}

.pc-block--flip .pc-block__grid {
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
}

.pc-block--flip .pc-block__visual {
  order: 2;
}

.pc-block--flip .pc-block__copy {
  order: 1;
}

@media (max-width: 900px) {
  .pc-block__grid,
  .pc-block--flip .pc-block__grid {
    grid-template-columns: 1fr;
  }

  .pc-block--flip .pc-block__visual,
  .pc-block--flip .pc-block__copy {
    order: unset;
  }
}

.pc-block__eyebrow {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #8b2e24;
}

.pc-block__title {
  margin: 0.65rem 0 0;
  font-size: clamp(1.45rem, 2.8vw, 2.05rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #1a1714;
}

.pc-block__title-en {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  color: #8a7a68;
}

.pc-block__lead {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: #5c5349;
}

.pc-work-list {
  list-style: none;
  margin: 1.15rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.pc-work-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem 0.85rem;
  padding: 0.15rem 0;
  color: #1a1714;
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 168, 168, 0.35);
}

.pc-work-list a:hover,
.pc-work-list a:focus-visible {
  color: #8b2e24;
  border-bottom-color: #8b2e24;
}

.pc-work-list__title {
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  line-height: 1.55;
}

.pc-work-list__date {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: #8a7a68;
}

.pc-work-list--scroll {
  max-height: min(28rem, 70vh);
  overflow-y: auto;
  padding-right: 0.35rem;
}

.pc-work-list__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem 0.85rem;
  padding: 0.15rem 0;
  color: #1a1714;
  border-bottom: 1px solid rgba(168, 168, 168, 0.35);
}

.pc-hub-footer {
  max-width: 72rem;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4.5rem;
  border-top: 1px solid rgba(168, 168, 168, 0.35);
  font-family: "Shippori Mincho", "Hiragino Mincho ProN", serif;
}

.pc-hub-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pc-hub-footer a {
  color: #8b2e24;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-decoration: underline;
  text-decoration-color: rgba(139, 46, 36, 0.35);
  text-underline-offset: 0.22em;
}

.pc-hub-footer a:hover,
.pc-hub-footer a:focus-visible {
  text-decoration-color: #8b2e24;
}

.pc-block__cta {
  display: inline-block;
  margin-top: 1.35rem;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: #8b2e24;
  text-decoration: none;
}

.pc-block__cta:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.pc-block__status {
  margin: 0.85rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: #9a8b7a;
}

.pc-mosaic {
  display: grid;
  gap: 0.45rem;
  aspect-ratio: 5 / 4;
  width: 100%;
}

.pc-mosaic--japan {
  grid-template-columns: 1.2fr 0.9fr 1fr;
  grid-template-rows: 1.15fr 0.9fr 1fr;
  grid-template-areas:
    'a b b'
    'a c d'
    'e e f';
}

.pc-mosaic--florence {
  grid-template-columns: 1.15fr 0.95fr 1fr;
  grid-template-rows: 1fr 1.05fr 0.95fr;
  grid-template-areas:
    'a a b'
    'c d b'
    'c e f';
}

.pc-mosaic--paris {
  grid-template-columns: 1fr 1.2fr 0.95fr;
  grid-template-rows: 1.05fr 0.9fr 1.05fr;
  grid-template-areas:
    'a b c'
    'a d c'
    'e e f';
}

.pc-mosaic--newyork {
  grid-template-columns: 1.1fr 1fr 1.05fr;
  grid-template-rows: 0.95fr 1.1fr 0.95fr;
  grid-template-areas:
    'a b c'
    'd d c'
    'e f f';
}

.pc-mosaic--egypt {
  grid-template-columns: 1.2fr 0.95fr 1fr;
  grid-template-rows: 1.1fr 0.95fr 1fr;
  grid-template-areas:
    'a a b'
    'c d b'
    'c e f';
}

.pc-mosaic--netherlands {
  grid-template-columns: 1.2fr 0.9fr 1fr;
  grid-template-rows: 1.15fr 0.9fr 1fr;
  grid-template-areas:
    'a b b'
    'a c d'
    'e e f';
}

.pc-mosaic--gogh-paris {
  grid-template-columns: 1.15fr 0.95fr 1fr;
  grid-template-rows: 1fr 1.05fr 0.95fr;
  grid-template-areas:
    'a a b'
    'c d b'
    'c e f';
}

.pc-mosaic--arles {
  grid-template-columns: 1fr 1.2fr 0.95fr;
  grid-template-rows: 1.05fr 0.9fr 1.05fr;
  grid-template-areas:
    'a b c'
    'a d c'
    'e e f';
}

.pc-mosaic--saint-remy {
  grid-template-columns: 1.1fr 1fr 1.05fr;
  grid-template-rows: 0.95fr 1.1fr 0.95fr;
  grid-template-areas:
    'a b c'
    'd d c'
    'e f f';
}

.pc-mosaic--auvers {
  grid-template-columns: 1.2fr 0.95fr 1fr;
  grid-template-rows: 1.1fr 0.95fr 1fr;
  grid-template-areas:
    'a a b'
    'c d b'
    'c e f';
}

.pc-cell__stage a {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.pc-cell__stage a:has(.is-active) {
  pointer-events: auto;
}

.pc-cell {
  position: relative;
  display: block;
  overflow: hidden;
  min-height: 0;
  text-decoration: none;
  background-color: #f4f4f4;
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(0, 0, 0, 0.055) 0,
    rgba(0, 0, 0, 0.055) 1px,
    #f4f4f4 1px,
    #f4f4f4 4px
  );
  border: 1px solid rgba(168, 168, 168, 0.45);
  animation: pc-cell-enter 1.1s ease-out both;
  animation-delay: var(--pc-stagger, 0s);
}

.pc-cell__stage {
  position: absolute;
  inset: 0;
}

.pc-cell__stage img,
.pc-cell__placeholder {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.04);
  transition:
    opacity 1.4s ease-in-out,
    transform 14s linear;
}

.pc-cell__stage img.is-active {
  opacity: 1;
  transform: scale(1.12);
}

.pc-cell__placeholder {
  opacity: 0.55;
}

.pc-cell.is-empty .pc-cell__placeholder {
  animation: pc-empty-breathe 5.5s ease-in-out infinite;
}

.pc-cell:hover {
  border-color: rgba(139, 46, 36, 0.45);
}

@keyframes pc-cell-enter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes pc-empty-breathe {
  0%,
  100% {
    opacity: 0.28;
  }
  50% {
    opacity: 0.62;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pc-cell,
  .pc-cell.is-empty .pc-cell__placeholder,
  .pc-cell__stage img {
    animation: none;
    transition: none;
  }

  .pc-cell__stage img.is-active {
    transform: none;
  }
}

/* 今後の収蔵候補（PD 写真家ロードマップ） */
.pc-expansion {
  padding: clamp(2.75rem, 6vw, 4.5rem) 1.25rem clamp(3.5rem, 7vw, 5.5rem);
  border-top: 1px solid rgba(168, 168, 168, 0.45);
}

.pc-expansion__inner {
  margin: 0 auto;
  max-width: 78rem;
}

.pc-expansion__eyebrow {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #8a7a68;
}

.pc-expansion__title {
  margin: 0.85rem 0 0;
  font-size: clamp(1.35rem, 2.8vw, 1.9rem);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: #1a1714;
}

.pc-expansion__lead {
  margin: 1rem 0 0;
  max-width: 40rem;
  font-size: 0.92rem;
  line-height: 1.85;
  letter-spacing: 0.04em;
  color: #5c5349;
}

.pc-expansion__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 3vw, 2rem);
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.pc-expansion__card {
  padding: 1.35rem 1.25rem 1.5rem;
  border: 1px solid rgba(139, 46, 36, 0.18);
  background: rgba(252, 249, 243, 0.72);
}

.pc-expansion__card-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #8b2e24;
}

.pc-expansion__card-en {
  margin: 0.35rem 0 0;
  font-family: Montserrat, 'Noto Sans JP', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: rgba(87, 83, 78, 0.78);
}

.pc-expansion__card-intent {
  margin: 0.85rem 0 0;
  font-size: 0.84rem;
  line-height: 1.75;
  color: #4a433c;
}

.pc-expansion__list {
  list-style: none;
  margin: 1.15rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pc-expansion__list li {
  padding-top: 0.9rem;
  border-top: 1px solid rgba(168, 168, 168, 0.4);
}

.pc-expansion__name {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #1a1714;
}

.pc-expansion__years {
  margin-left: 0.35em;
  font-weight: 500;
  color: #6b6258;
}

.pc-expansion__note,
.pc-expansion__pd {
  margin: 0.35rem 0 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: #5c5349;
}

.pc-expansion__pd {
  color: #7a5348;
}

@media (max-width: 960px) {
  .pc-expansion__grid {
    grid-template-columns: 1fr;
  }
}