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

html {
  min-width: 320px;
}

body {
  margin: 0;
}

button,
img {
  display: block;
}

img {
  max-width: 100%;
}

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

button {
  font: inherit;
}

/* TOPの札から続く遷移。札（.archive-entry）と同じ名前を一覧の面に付けると、
   紙が面へ変形して繋がる。名前は style.css 側と対で管理すること。 */
@view-transition {
  navigation: auto;
}

.archive-catalog {
  view-transition-name: archive-sheet;
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none;
  }
}

.archive-index {
  --rule-ink: rgba(47, 44, 41, 0.4);

  min-height: 100svh;

  /* 生成りより一段沈めた地。白い表紙が面に置かれた物として立ち上がる */
  background: #E4DCCF;
}

.archive-index::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;

  background-image: url("../assets/texture/paper06-max.webp");
  background-position: center;
  background-size: cover;
  opacity: 0.3;

  pointer-events: none;
}

/* --- 版面の罫 -------------------------------------------------------
   グリッドの列と行に合わせて罫を引き、表紙が組版の上に載っているように
   見せる。位置と間隔は archive.js が実測して渡す。 */
.archive-rules {
  position: fixed;
  inset: 0;
  z-index: -1;

  opacity: 0.5;
  pointer-events: none;
}

.archive-rules::before,
.archive-rules::after {
  content: "";
  position: absolute;
}

/* 縦罫（列の境） */
.archive-rules::before {
  top: 0;
  bottom: 0;
  left: var(--rule-left, 0);
  width: var(--rule-width, 0);

  background-image: repeating-linear-gradient(
    to right,
    var(--rule-ink) 0,
    var(--rule-ink) 1px,
    transparent 1px,
    transparent var(--rule-pitch, 220px)
  );
}

/* 横罫（行の境）。縦罫と同じ幅に収めて版面をつくる。
   行の罫は一覧のものなので、見出しの領域までは引かない。
   （引くと窓幅しだいでキャプションの上に罫が乗ることがある） */
.archive-rules::after {
  top: var(--rule-top, 0);
  bottom: 0;
  left: var(--rule-left, 0);
  width: var(--rule-width, 0);

  background-image: repeating-linear-gradient(
    to bottom,
    var(--rule-ink) 0,
    var(--rule-ink) 1px,
    transparent 1px,
    transparent var(--row-pitch, 300px)
  );
  background-position: 0 var(--row-offset, 0);
}

.archive-index.is-dialog-open {
  overflow: hidden;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 20;

  padding: 8px 12px;
  background: var(--color-text);
  color: var(--color-bg);

  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.archive-page {
  width: min(100%, 1480px);
  min-height: 100svh;
  margin: 0 auto;
  padding:
    clamp(28px, 4vw, 58px)
    clamp(24px, 4vw, 64px)
    38px;
}

.archive-header {
  position: relative;
  padding: 0 0 22px;
}

/* 戻るリンクは半透明の地を敷き、画面の左端まで貫通させる。
   左へ抜ける要素であることを地の形で示し、見出しとの情報量を分ける。 */
.archive-back {
  position: relative;

  display: inline-flex;
  align-items: center;
  gap: 8px;

  padding: 9px 16px 9px 0;
  background: rgba(255, 255, 255, 0.42);

  font-size: 0.7rem;
  letter-spacing: 0.12em;

  transition:
    background-color var(--transition),
    transform var(--transition);
}

/* 版面の外側、画面の左端までを同じ地で埋める */
.archive-back::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: 100%;
  width: 100vw;

  background: inherit;
}

.archive-back:hover {
  background: rgba(255, 255, 255, 0.66);
  transform: translateX(-4px);
}

.archive-back:focus-visible,
.archive-footer a:focus-visible,
.archive-tile:focus-visible,
.work-view-close:focus-visible,
.work-view-navigation-button:focus-visible {
  outline: 2px solid rgba(47, 44, 41, 0.78);
  outline-offset: 4px;
}

.archive-header h1 {
  width: fit-content;
  margin: clamp(34px, 5vw, 72px) 0 0;

  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.6vw, 4.4rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.04em;

  transform: scaleX(0.95);
  transform-origin: left center;
}

/* 見出しの足元に添える案内。読ませるのではなく、気づかせる程度に。 */
.archive-note {
  margin: clamp(12px, 1.4vw, 18px) 0 0;

  color: var(--color-subtext);
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.archive-catalog {
  padding-top: clamp(34px, 5vw, 68px);
}

.archive-grid {
  --grid-columns: 6;
  --grid-gap: clamp(3px, 0.5vw, 8px);

  display: grid;
  grid-template-columns: repeat(var(--grid-columns), minmax(0, 1fr));
  /* 列を減らしたぶん行の高さも伸ばし、マスの縦横比を保つ */
  grid-auto-rows: clamp(173px, 20.4vw, 303px);
  grid-auto-flow: dense;
  gap: var(--grid-gap);

  align-items: stretch;
}

.archive-status {
  grid-column: 1 / -1;
  margin: 0;
  padding: 38px 0;
  color: var(--color-subtext);
  font-size: 0.78rem;
}

.archive-status--error {
  color: #7a3b35;
}

.archive-tile {
  position: relative;
  min-width: 0;
  min-height: 0;
  padding: 0;
  overflow: hidden;

  border: 0;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: inset 0 0 0 1px rgba(47, 44, 41, 0.11);
  color: var(--color-text);

  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;

  transition:
    box-shadow 220ms ease,
    filter 220ms ease,
    transform 220ms ease;
}

.archive-tile--large {
  grid-column: span 2;
  grid-row: span 2;
}

/* 横長の表紙のための枠。マスに合わせて絵を伸ばすのではなく、絵の縦横比の
   ままいっぱいまで大きくする。札（白地と細い枠）も絵にぴたりと重なるので、
   上下や左右に白い帯が出ない。 */
.archive-tile--span {
  grid-column: span var(--tile-cols, 2);
  grid-row: span var(--tile-rows, 2);

  /* 白地と枠を外し、絵に収まりきらない余りは紙の地のままにする。
     絵の縦横比はそのままなので、上下にも左右にも白い帯が出ない。 */
  background: transparent;
  box-shadow: none;
}

/* 下の .archive-tile img より後に効かせたいので、クラスを2つ重ねている */
.archive-tile.archive-tile--span img {
  background: transparent;
}

/* 出現モーションを描いているキャンバス。操作は下のタイルが受ける。 */
.archive-stage {
  position: fixed;
  inset: 0;
  z-index: 3;

  width: 100%;
  height: 100%;

  pointer-events: none;
}

/* WebGLが描いている間だけDOM側の絵を伏せる */
.archive-tile.is-flying img {
  visibility: hidden;
}

.archive-tile img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.74);

  transition:
    filter 220ms ease,
    transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.archive-tile::after {
  content: "VIEW";
  position: absolute;
  inset: 0;

  display: grid;
  place-items: center;

  background: rgba(47, 44, 41, 0.2);
  color: #fff;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  opacity: 0;

  pointer-events: none;

  transition: opacity 180ms ease;
}

@media (hover: hover) and (pointer: fine) {
  .archive-tile:hover {
    z-index: 2;
    box-shadow:
      0 5px 8px rgba(47, 44, 41, 0.12),
      0 15px 28px rgba(47, 44, 41, 0.16);
    transform: scale(1.018);
  }

  .archive-tile:hover img {
    filter: brightness(0.96) contrast(1.03);
    transform: scale(1.012);
  }

  .archive-tile:hover::after {
    opacity: 1;
  }
}

.archive-tile:active,
.archive-tile.is-pressed {
  filter: brightness(0.86);
  transform: scale(0.985);
}

.archive-tile:active::after,
.archive-tile.is-pressed::after {
  opacity: 0.58;
}

.archive-footer {
  margin-top: clamp(72px, 9vw, 128px);
  padding-top: 18px;
  border-top: 1px solid rgba(47, 44, 41, 0.2);
}

.archive-footer a {
  display: inline-flex;
  align-items: center;
  gap: 8px;

  font-size: 0.68rem;
  letter-spacing: 0.1em;
}

/* =====================================
   Work View
===================================== */

.work-dialog {
  width: min(calc(100% - 48px), 1500px);
  height: min(calc(100dvh - 48px), 940px);
  max-width: none;
  max-height: none;
  margin: auto;
  padding: 0;
  overflow: visible;

  border: 0;
  background: transparent;
  color: var(--color-text);
}

.work-dialog[open] {
  display: block;
}

.work-dialog::backdrop {
  background: rgba(33, 30, 28, 0.62);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
}

.work-dialog[open]::backdrop {
  animation: workBackdropReveal 180ms ease-out both;
}

.work-dialog[open] .work-view {
  transform-origin: right bottom;
  animation:
    workViewPlace 280ms
    cubic-bezier(0.22, 1, 0.36, 1)
    both;
}

.work-dialog.is-closing::backdrop {
  animation: workBackdropDismiss 160ms ease-in both;
}

.work-dialog.is-closing .work-view {
  pointer-events: none;
  animation: workViewDismiss 160ms ease-in both;
}

.work-view {
  position: relative;
  width: 100%;
  height: 100%;
  padding: clamp(44px, 4vw, 72px);
  overflow: auto;

  border: 1px solid rgba(47, 44, 41, 0.5);
  background: #c9c4c1;
  box-shadow:
    0 10px 22px rgba(26, 23, 21, 0.2),
    0 32px 64px rgba(26, 23, 21, 0.28);

  overscroll-behavior: contain;
  /* 横方向のパンだけブラウザに渡さない。前後の作品へ送る横スワイプが
     横取りされるのを防ぎつつ、資料を拡大するためのピンチは残す。
     pan-y だけにするとピンチまで切れる。 */
  touch-action: pan-y pinch-zoom;
}

.work-view img {
  -webkit-user-drag: none;
  user-select: none;
}

@keyframes workBackdropReveal {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes workBackdropDismiss {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}

@keyframes workViewPlace {
  from {
    opacity: 0;
    transform:
      translate3d(12px, 10px, 0)
      scale(0.992)
      rotate(0.12deg);
    box-shadow:
      0 4px 10px rgba(26, 23, 21, 0.12),
      0 14px 28px rgba(26, 23, 21, 0.16);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1) rotate(0);
    box-shadow:
      0 10px 22px rgba(26, 23, 21, 0.2),
      0 32px 64px rgba(26, 23, 21, 0.28);
  }
}

@keyframes workViewDismiss {
  from {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1) rotate(0);
  }

  to {
    opacity: 0;
    transform:
      translate3d(7px, 6px, 0)
      scale(0.996)
      rotate(0.06deg);
  }
}

@keyframes workViewExitNext {
  to {
    opacity: 0;
    transform: translate3d(-24px, 0, 0) rotate(-0.08deg);
  }
}

@keyframes workViewExitPrevious {
  to {
    opacity: 0;
    transform: translate3d(24px, 0, 0) rotate(0.08deg);
  }
}

@keyframes workViewEnterNext {
  from {
    opacity: 0;
    transform: translate3d(30px, 0, 0) rotate(0.1deg);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) rotate(0);
  }
}

@keyframes workViewEnterPrevious {
  from {
    opacity: 0;
    transform: translate3d(-30px, 0, 0) rotate(-0.1deg);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) rotate(0);
  }
}

.work-view-layout.is-leaving-next {
  animation: workViewExitNext 150ms ease-in both;
}

.work-view-layout.is-leaving-previous {
  animation: workViewExitPrevious 150ms ease-in both;
}

.work-view-layout.is-entering-next {
  animation:
    workViewEnterNext 210ms
    cubic-bezier(0.22, 1, 0.36, 1)
    both;
}

.work-view-layout.is-entering-previous {
  animation:
    workViewEnterPrevious 210ms
    cubic-bezier(0.22, 1, 0.36, 1)
    both;
}

.work-view-layout:is(
  .is-leaving-next,
  .is-leaving-previous,
  .is-entering-next,
  .is-entering-previous
) {
  will-change: opacity, transform;
}

.work-view-close {
  position: absolute;
  top: 14px;
  right: 16px;
  z-index: 3;

  display: inline-flex;
  align-items: center;
  gap: 7px;

  padding: 7px 8px;
  border: 0;
  background: transparent;
  color: var(--color-text);

  font-size: 0.62rem;
  letter-spacing: 0.16em;
  cursor: pointer;

  transition:
    background-color var(--transition),
    transform var(--transition);
}

.work-view-close span {
  font-family: var(--font-body);
  font-size: 1.2rem;
  line-height: 0.7;
}

.work-view-close:hover {
  background: rgba(255, 255, 255, 0.28);
  transform: translateY(-1px);
}

.work-view-navigation[hidden] {
  display: none;
}

.work-view-navigation {
  position: absolute;
  inset: 0;
  z-index: 4;

  pointer-events: none;
}

.work-view-navigation-button {
  position: absolute;
  top: 50%;

  display: grid;
  place-items: center;

  width: 56px;
  min-height: 72px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-text);

  font-family: var(--font-body);
  font-size: 2rem;
  line-height: 1;
  opacity: 0.5;
  text-shadow:
    0 1px 2px rgba(244, 241, 235, 0.9),
    0 0 8px rgba(244, 241, 235, 0.72);
  cursor: pointer;
  pointer-events: auto;

  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.work-view-navigation-button--previous {
  left: 12px;
  transform: translateY(-50%);
}

.work-view-navigation-button--next {
  right: 12px;
  transform: translateY(-50%);
}

.work-view-navigation-button:hover {
  opacity: 0.82;
}

.work-view-navigation-button--previous:hover {
  transform: translate3d(-3px, -50%, 0);
}

.work-view-navigation-button--next:hover {
  transform: translate3d(3px, -50%, 0);
}

.work-dialog.is-switching-work .work-view-navigation-button {
  opacity: 0.22;
  pointer-events: none;
}

.work-dialog.is-closing .work-view-navigation {
  opacity: 0;
}

.work-view-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: clamp(38px, 6vw, 96px);
  min-height: 100%;
}

.work-view-layout--cover-only {
  grid-template-columns: minmax(0, 650px);
}

.work-view-layout--cover-only .work-view-primary {
  width: 100%;
}

.work-view-layout--cover-only .work-view-secondary {
  display: none;
}

.work-view-primary {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}

.work-view-cover {
  width: min(100%, 650px);
  margin: 0;
  padding: 10px;

  border: 1px solid #fff;
  background: #fff;
  box-shadow: 0 12px 24px rgba(47, 44, 41, 0.14);
}

.work-view-cover img {
  width: 100%;
  height: auto;
  max-height: calc(100dvh - 280px);
  object-fit: contain;
  background: #fff;
}

.work-view-meta {
  margin-top: 22px;
}

.work-view-meta h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.3vw, 2.2rem);
  font-weight: 500;
  line-height: 1.4;
}

.work-view-meta p {
  margin: 7px 0 0;
  font-size: clamp(0.72rem, 1.2vw, 0.92rem);
  line-height: 1.7;
}

#work-view-publication {
  font-weight: 700;
}

.work-view-secondary {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.work-view-materials {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 44px);
  align-items: start;
}

.work-view-materials--count-0 {
  display: block;
  min-height: 1px;
}

.work-view-materials--count-1 {
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 0.22fr);
}

.work-view-materials--count-1 .work-material {
  grid-column: 1;
}

.work-material {
  margin: 0;
  min-width: 0;
}

.work-material:nth-child(even) {
  margin-top: clamp(40px, 7vw, 96px);
}

.work-material img {
  width: 100%;
  height: auto;
  max-height: min(45dvh, 480px);
  object-fit: contain;

  border: 1px solid rgba(47, 44, 41, 0.48);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 9px 18px rgba(47, 44, 41, 0.11);
}

.work-material figcaption {
  margin-top: 7px;
  color: rgba(47, 44, 41, 0.78);
  font-size: 0.64rem;
  line-height: 1.5;
  letter-spacing: 0.06em;
}

.work-view-comment {
  max-width: 520px;
  margin: 16px 0 0;
  padding-left: 12px;

  border-left: 2px solid rgba(47, 44, 41, 0.56);

  font-family: var(--font-body);
  font-size: clamp(0.78rem, 1.2vw, 1rem);
  line-height: 1.8;
  text-align: left;
  white-space: pre-line;
}

.work-view-comment[hidden] {
  display: none;
}

@media (max-width: 767px) {
  .archive-page {
    padding: 24px 24px 32px;
  }

  .archive-header {
    padding-bottom: 16px;
  }

  .archive-header h1 {
    margin-top: 44px;
    font-size: clamp(1.85rem, 9vw, 2.35rem);
  }

  .archive-catalog {
    padding-top: 30px;
  }

  .archive-grid {
    --grid-columns: 3;
    --grid-gap: 4px;

    grid-auto-rows:
      calc(
        ((100vw - 48px - (var(--grid-gap) * 2)) / 3)
        * 1.419
      );
  }

  .archive-footer {
    margin-top: 72px;
  }

  .work-dialog {
    width: calc(100% - 16px);
    height: calc(100dvh - 16px);
  }

  .work-view {
    padding: 48px 14px 20px;
  }

  .work-view-close {
    top: 9px;
    right: 9px;
    gap: 5px;
    padding: 4px 5px;
  }

  .work-view-close:focus-visible {
    outline-width: 1px;
    outline-offset: 1px;
  }

  .work-view-navigation-button {
    top: 9px;
    width: 32px;
    min-height: 30px;
    padding: 0;
    font-size: 1.18rem;
    opacity: 0.66;
    text-shadow:
      0 1px 2px rgba(244, 241, 235, 0.95),
      0 0 6px rgba(244, 241, 235, 0.8);
  }

  .work-view-navigation-button--previous {
    left: 9px;
    transform: none;
  }

  .work-view-navigation-button--next {
    right: auto;
    left: 46px;
    transform: none;
  }

  .work-view-navigation-button--previous:hover,
  .work-view-navigation-button--next:hover {
    transform: none;
  }

  .work-view-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    gap: 13px;
    min-height: auto;
  }

  .work-view-layout--cover-only {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .work-view-cover {
    width: 100%;
    padding: 5px;
  }

  .work-view-cover img {
    max-height: none;
  }

  .work-view-meta {
    margin-top: 12px;
  }

  .work-view-meta h2 {
    font-size: 0.96rem;
    line-height: 1.55;
  }

  .work-view-meta p {
    margin-top: 4px;
    font-size: 0.65rem;
  }

  .work-view-materials {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .work-view-materials--count-1 {
    grid-template-columns: 1fr;
  }

  .work-view-materials--count-1 .work-material {
    grid-column: auto;
  }

  .work-material:nth-child(even) {
    margin-top: 0;
  }

  .work-material img {
    max-height: none;
  }

  .work-material figcaption {
    margin-top: 5px;
    font-size: 0.58rem;
  }

  .work-view-comment {
    max-width: 100%;
    margin-top: 12px;
    padding-left: 8px;
    font-size: 0.68rem;
    line-height: 1.75;
  }
}

@media (prefers-reduced-motion: reduce) {
  .archive-back,
  .archive-tile,
  .archive-tile img,
  .archive-tile::after,
  .work-view-close,
  .work-view-navigation-button {
    transition: none;
  }

  .work-dialog[open]::backdrop,
  .work-dialog[open] .work-view,
  .work-dialog.is-closing::backdrop,
  .work-dialog.is-closing .work-view {
    animation: none;
  }

  .work-view-layout.is-leaving-next,
  .work-view-layout.is-leaving-previous,
  .work-view-layout.is-entering-next,
  .work-view-layout.is-entering-previous {
    animation: none;
  }
}