/* --- 浮遊注釈（装飾） --- */
.epigraph {
  position: fixed;
  z-index: 8;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.45rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--accent) 55%, var(--muted));
  pointer-events: none;
  user-select: none;
  max-width: 8rem;
  line-height: 1.5;
  opacity: 0.65;
}

.epigraph--a {
  top: 22%;
  right: 3%;
  transform: rotate(8deg);
}

.epigraph--b {
  bottom: 28%;
  left: 8%;
  transform: rotate(-14deg);
  text-align: right;
}

@media (max-width: 700px) {
  .epigraph--b {
    display: none;
  }
}

.masthead {
  position: relative;
  z-index: 12;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  padding: clamp(0.75rem, 3vw, 1.5rem);
  border-bottom: 1px solid var(--fg);
  transform: rotate(-0.4deg);
  transform-origin: 0 100%;
}

.masthead__stamp {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 9vw, 4.5rem);
  line-height: 0.85;
  color: var(--fg);
  letter-spacing: -0.08em;
  user-select: none;
  opacity: 0.35;
  pointer-events: none;
  justify-self: start;
}

.masthead__meta {
  position: relative;
  z-index: 3;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.5rem;
  max-width: min(100%, 320px);
  text-align: right;
}

.masthead__coord {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  line-height: 1.45;
  max-width: 18em;
}

main {
  position: relative;
  z-index: 5;
  max-width: 100%;
}

/* --- オープナー：文字の散弾 --- */
.opener {
  position: relative;
  min-height: 88dvh;
  padding: clamp(2rem, 10vw, 5rem) 0 clamp(3rem, 12vw, 6rem);
  margin-inline: clamp(0.25rem, 2vw, 1.25rem);
  transform: rotate(var(--scroll-tilt)) skewX(calc((var(--look-x) - 0.5) * var(--skew-amt)));
  transform-origin: 35% 20%;
}

@media (prefers-reduced-motion: reduce) {
  .opener {
    transform: none;
  }
}

.opener__glyph {
  position: absolute;
  top: 4%;
  right: -2%;
  font-family: var(--font-mono);
  font-size: clamp(4rem, 22vw, 14rem);
  line-height: 0.85;
  color: color-mix(in srgb, var(--fg) 4%, transparent);
  pointer-events: none;
  letter-spacing: -0.35em;
  transform: rotate(-18deg);
  z-index: 0;
}

.opener__scatter {
  position: relative;
  min-height: min(52dvh, 420px);
  z-index: 1;
}

.opener__letter {
  position: absolute;
  font-family: var(--font-mono);
  font-weight: 400;
  line-height: 0.85;
  letter-spacing: -0.05em;
  text-transform: lowercase;
  user-select: none;
}

.opener__letter--e {
  left: -4%;
  top: 0%;
  font-size: clamp(4rem, 22vw, 11rem);
  color: var(--fg);
  transform: rotate(-11deg);
  z-index: 3;
}

.opener__letter--m {
  left: 18%;
  top: 18%;
  font-size: clamp(5.5rem, 32vw, 16rem);
  color: color-mix(in srgb, var(--fg) 40%, var(--accent));
  transform: rotate(4deg) translateX(-8%);
  mix-blend-mode: plus-lighter;
  z-index: 2;
  opacity: 0.92;
}

html.theme-day .opener__letter--m {
  mix-blend-mode: multiply;
  opacity: 1;
}

.opener__letter--a {
  right: 6%;
  top: 42%;
  font-size: clamp(2.2rem, 14vw, 7rem);
  color: var(--accent);
  transform: rotate(-28deg);
  z-index: 4;
}

.opener__letter--k {
  right: -2%;
  bottom: -5%;
  font-size: clamp(3rem, 16vw, 9rem);
  color: var(--muted);
  transform: rotate(96deg);
  transform-origin: center center;
  z-index: 1;
}

.opener__sub--rift {
  position: relative;
  z-index: 5;
  margin: clamp(1rem, 4vw, 2rem) 0 0;
  margin-left: clamp(8%, 14vw, 22%);
  max-width: min(22em, 88%);
  width: fit-content;
  padding: 0.85rem 1rem;
  font-size: clamp(0.75rem, 2.8vw, 0.92rem);
  line-height: 1.68;
  color: var(--muted);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border: 1px solid color-mix(in srgb, var(--fg) 22%, transparent);
  transform: rotate(2.8deg) translateX(-6%);
  clip-path: polygon(0 0, 100% 2%, 98% 100%, 3% 96%);
}

.opener__num {
  font-family: var(--font-mono);
  color: var(--error);
}

.opener__echo {
  position: absolute;
  bottom: 12%;
  left: 4%;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.45em;
  color: color-mix(in srgb, var(--muted) 50%, transparent);
  transform: rotate(-90deg);
  transform-origin: left bottom;
  white-space: nowrap;
  pointer-events: none;
}

@media (max-width: 640px) {
  .opener__letter--m {
    left: 8%;
    top: 24%;
  }

  .opener__letter--k {
    right: 0;
    bottom: 8%;
    transform: rotate(78deg);
  }

  .opener__echo {
    display: none;
  }
}

.marquee-band {
  border-top: 1px solid var(--fg);
  border-bottom: 1px solid var(--fg);
  background: var(--slab);
  color: var(--bone);
  overflow: hidden;
}

.marquee-band--rev {
  border-top: none;
  background: var(--void);
  color: var(--ash);
}

.marquee {
  padding: 0.45rem 0;
  width: 100%;
}

/* 2 枚同じ幅のハーフを横に並べ、-50% で継ぎ目なくループ */
.marquee__row {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  width: max-content;
  animation: marquee-slide 55s linear infinite;
}

.marquee__half {
  flex: 0 0 auto;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
}

.marquee__row--rev {
  animation-duration: 38s;
  animation-direction: reverse;
}

.marquee__static {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  line-height: 1.5;
  white-space: normal;
  word-break: break-word;
}

.marquee--static .marquee__row {
  animation: none;
}

@keyframes marquee-slide {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__row {
    animation: none;
    flex-wrap: wrap;
    max-width: 100%;
    width: 100%;
  }
}

.side-crawl {
  position: fixed;
  left: 0.35rem;
  top: 38%;
  z-index: 15;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted) 70%, transparent);
  pointer-events: none;
  white-space: nowrap;
  user-select: none;
}

@media (max-width: 640px) {
  .side-crawl {
    display: none;
  }
}

.void-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: color-mix(in srgb, var(--bg) 92%, var(--fg));
  border-top: 1px solid var(--fg);
}

.void-nav a {
  color: inherit;
  text-decoration: none;
  padding: 2px 4px;
}

.void-nav a:hover {
  background: var(--fg);
  color: var(--bg);
}

.decoy-row {
  position: relative;
  z-index: 6;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: clamp(1.5rem, 5vw, 2.5rem) 0 0 clamp(12%, 18vw, 28%);
  max-width: 16rem;
  transform: rotate(-1deg);
}

/* --- manifesto：コラージュ床 --- */
.manifesto--collage {
  position: relative;
  z-index: 6;
  margin-bottom: -7rem;
  padding: clamp(4rem, 14vw, 8rem) clamp(0.5rem, 3vw, 1.5rem) clamp(6rem, 18vw, 10rem);
  min-height: min(115vh, 1200px);
  transform: rotate(0.25deg);
}

.manifesto__label--detached {
  position: absolute;
  top: clamp(0.5rem, 3vw, 2rem);
  right: clamp(-0.5rem, 1vw, 1rem);
  margin: 0;
  padding: 0.5rem 0.65rem;
  max-width: min(90vw, 14rem);
  font-family: var(--font-mono);
  font-size: clamp(0.65rem, 2vw, 0.85rem);
  font-weight: 400;
  letter-spacing: 0.18em;
  line-height: 1.35;
  border: 1px solid var(--fg);
  background: var(--accent);
  color: var(--bg);
  transform: rotate(-88deg);
  transform-origin: right top;
  z-index: 8;
}

.manifesto__collage {
  position: relative;
  min-height: inherit;
  padding-top: clamp(3rem, 10vw, 6rem);
}

.manifesto__spine {
  position: absolute;
  left: clamp(-0.25rem, 1vw, 0.75rem);
  top: clamp(8%, 12vh, 22%);
  display: flex;
  gap: 0.65rem;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.8vw, 1.35rem);
  letter-spacing: 0.55em;
  color: var(--error);
  opacity: 0.75;
  transform: rotate(-1deg);
  z-index: 3;
}

.manifesto__vertical {
  margin: 0;
}

.manifesto__prose--torn {
  position: relative;
  margin-left: clamp(2.5rem, 14vw, 7rem);
  margin-right: clamp(0.5rem, 4vw, 2rem);
  z-index: 4;
}

.manifesto__frag {
  margin: 0;
}

.manifesto__frag--1 {
  max-width: min(42em, 92%);
  padding: 1rem 1.1rem 1.2rem;
  font-size: clamp(0.82rem, 2.4vw, 0.98rem);
  line-height: 1.78;
  transform: rotate(-1.2deg) translateX(-4%);
  border-left: 3px solid var(--accent);
  background: linear-gradient(
    105deg,
    color-mix(in srgb, var(--slab) 88%, var(--bg)),
    transparent 55%
  );
  clip-path: polygon(0 0, 100% 1%, 99% 100%, 2% 98%);
}

.manifesto__frag--2 {
  margin-top: clamp(2rem, 6vw, 3.5rem);
  margin-left: clamp(5%, 12vw, 18%);
  max-width: min(20em, 85%);
  padding: 0.75rem;
  font-size: clamp(0.72rem, 2.1vw, 0.85rem);
  line-height: 1.82;
  color: var(--muted);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  max-height: 28rem;
  transform: rotate(2deg);
  border-top: 1px dashed var(--fg);
  border-bottom: 1px dashed var(--fg);
}

.manifesto__frag--3 {
  margin-top: clamp(2rem, 5vw, 3rem);
  margin-left: clamp(0%, 6vw, 12%);
  padding: 0.5rem 0;
  font-size: 0.82rem;
  transform: rotate(0.6deg);
  max-width: 36em;
}

.manifesto__aside {
  margin-top: 0;
}

.manifesto__typing {
  font-family: var(--font-mono);
  color: var(--fg);
}

.manifesto__caret {
  display: inline-block;
  width: 8px;
  height: 1em;
  margin-left: 2px;
  background: var(--accent);
  vertical-align: -0.08em;
  animation: caret-blink 0.8s step-end infinite;
}

@keyframes caret-blink {
  50% {
    opacity: 0;
  }
}

.manifesto__aside-block--parasite {
  position: absolute;
  right: clamp(0.25rem, 3vw, 1.5rem);
  bottom: clamp(8%, 12vh, 20%);
  width: min(16rem, 78vw);
  padding: 0.85rem 1rem;
  border: 1px solid var(--fg);
  background: color-mix(in srgb, var(--bg) 55%, var(--void));
  transform: rotate(-3.5deg);
  z-index: 7;
  mix-blend-mode: hard-light;
}

html.theme-day .manifesto__aside-block--parasite {
  mix-blend-mode: multiply;
}

.manifesto__fine {
  margin: 0 0 0.65em;
  font-size: 0.72rem;
  line-height: 1.62;
  color: var(--muted);
}

.manifesto__fine:last-child {
  margin-bottom: 0;
}

/* --- work：タイトル分解 --- */
.work--stage {
  position: relative;
  z-index: 5;
  padding: clamp(7rem, 18vw, 11rem) 0 clamp(2.5rem, 7vw, 4rem);
  transform: rotate(-0.35deg);
}

.work__header--split {
  position: relative;
  min-height: clamp(5rem, 18vw, 9rem);
  padding: 0 clamp(0.75rem, 4vw, 2.5rem);
  margin-bottom: 0.5rem;
}

.work__title {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 400;
  line-height: 0.9;
  text-transform: uppercase;
  position: relative;
}

.work__title-chunk {
  position: absolute;
  display: block;
}

.work__title-chunk--a {
  left: clamp(2%, 6vw, 10%);
  top: 0;
  font-size: clamp(2.2rem, 11vw, 5rem);
  letter-spacing: 0.12em;
  color: var(--fg);
  transform: rotate(-7deg);
}

.work__title-chunk--b {
  left: clamp(22%, 30vw, 38%);
  top: clamp(0.5rem, 2vw, 1.25rem);
  font-size: clamp(1.6rem, 8vw, 3.2rem);
  letter-spacing: 0.28em;
  color: color-mix(in srgb, var(--fg) 35%, var(--accent));
  transform: rotate(4deg) translateY(20%);
}

.work__title-chunk--c {
  right: clamp(2%, 8vw, 14%);
  top: clamp(2rem, 6vw, 3.5rem);
  font-size: clamp(3rem, 14vw, 6rem);
  color: var(--error);
  opacity: 0.45;
  transform: rotate(12deg);
  user-select: none;
}

.work__note--sideways {
  position: absolute;
  right: clamp(0.25rem, 3vw, 1.25rem);
  bottom: -0.25rem;
  margin: 0;
  max-width: 11em;
  font-size: 0.62rem;
  line-height: 1.55;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  opacity: 0.85;
}

.work__rail-wrap {
  display: flex;
  align-items: center;
  min-height: clamp(300px, 42vh, 460px);
  overflow-x: auto;
  overflow-y: hidden;
  padding-block: clamp(2.25rem, 7vw, 4rem);
  padding-inline: clamp(0.75rem, 4vw, 2.5rem);
  /* 右端で shadow / 回転はみ出しが欠けないよう余白 */
  padding-inline-end: max(2rem, calc(1.25rem + env(safe-area-inset-right, 0px)));
  scrollbar-color: var(--accent) var(--slab);
  -webkit-overflow-scrolling: touch;
  direction: rtl;
  /* 子の transform はみ出しを少しマシに */
  contain: none;
}

.work__rail {
  display: flex;
  gap: 0;
  align-items: stretch;
  width: max-content;
  margin-block: auto;
  padding-block: clamp(1.25rem, 4vw, 2.25rem);
  padding-inline: 0.35rem;
  /* 右側のドロップシャドウ分（切れ防止） */
  padding-inline-end: 12px;
  direction: ltr;
}

/* 横スクロールの「先」が真っ白にならないよう終端ブロック（斜線はスクロールでモアレやすいので縦ストライプ） */
.work__rail::after {
  content: "EOF · REPO_TAIL · ━━━";
  flex: 0 0 auto;
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(11rem, 32vw, 20rem);
  min-height: 260px;
  margin-inline-start: 0.65rem;
  margin-inline-end: 2px;
  padding: 0 1rem;
  box-sizing: border-box;
  border: 1px solid color-mix(in srgb, var(--muted) 45%, var(--fg));
  outline: 1px dashed color-mix(in srgb, var(--muted) 35%, transparent);
  outline-offset: -4px;
  background: repeating-linear-gradient(
    90deg,
    color-mix(in srgb, var(--slab) 88%, var(--bg)) 0,
    color-mix(in srgb, var(--slab) 88%, var(--bg)) 10px,
    color-mix(in srgb, var(--muted) 8%, var(--bg)) 10px,
    color-mix(in srgb, var(--muted) 8%, var(--bg)) 11px
  );
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  white-space: nowrap;
}

/* --- colophon：断片化 --- */
.colophon--rupture {
  position: relative;
  padding: clamp(3rem, 11vw, 6rem) clamp(0.75rem, 4vw, 2.5rem) calc(4.5rem + env(safe-area-inset-bottom, 0));
  border-top: 1px solid var(--fg);
  transform: rotate(0.15deg);
}

.colophon__line--split {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  align-items: baseline;
  margin: 0 0 1.5rem;
  max-width: none;
  font-size: clamp(0.78rem, 2.2vw, 0.92rem);
  color: var(--muted);
  line-height: 1.65;
}

.colophon__shard {
  display: inline-block;
  transform: rotate(-0.8deg);
}

.colophon__shard--late {
  margin-left: clamp(1rem, 8vw, 4rem);
  transform: rotate(2.4deg) translateY(0.35em);
  color: color-mix(in srgb, var(--fg) 55%, var(--muted));
  font-family: var(--font-mono);
  font-size: 0.88em;
  letter-spacing: 0.04em;
}

.colophon__links--stagger {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  transform: translateX(clamp(0.5rem, 5vw, 3rem)) rotate(-0.5deg);
}

.colophon__href {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
}

.colophon__href:hover {
  color: var(--accent);
  border-bottom-color: var(--fg);
}

.colophon__sep {
  margin: 0 0.25em;
  color: var(--muted);
  font-family: var(--font-mono);
  transform: rotate(15deg);
  display: inline-block;
}

.foot-stamp--drift {
  position: relative;
  z-index: 12;
  padding: 1rem clamp(0.75rem, 4vw, 2.5rem) calc(3.5rem + env(safe-area-inset-bottom, 0));
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted) 80%, transparent);
  transform: translateX(clamp(0.25rem, 4vw, 2rem)) rotate(-1deg);
}

.foot-stamp p {
  margin: 0;
}

/* --- 読みやすさ優先（アクセシビリティ） --- */
@media (prefers-reduced-motion: reduce) {
  .epigraph,
  .manifesto__label--detached,
  .manifesto__spine,
  .manifesto__frag--1,
  .manifesto__frag--2,
  .manifesto__frag--3,
  .manifesto__aside-block--parasite,
  .work__title-chunk--a,
  .work__title-chunk--b,
  .work__title-chunk--c,
  .work__note--sideways,
  .colophon__shard,
  .colophon__shard--late,
  .colophon__links--stagger,
  .foot-stamp--drift,
  .opener__sub--rift,
  .decoy-row,
  .opener__letter--e,
  .opener__letter--m,
  .opener__letter--a,
  .opener__letter--k {
    transform: none;
    writing-mode: horizontal-tb;
    mix-blend-mode: normal;
    clip-path: none;
    position: relative;
    left: auto;
    right: auto;
    top: auto;
    bottom: auto;
    max-height: none;
  }

  .opener__scatter {
    min-height: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 0.05em;
    align-items: baseline;
  }

  .opener__letter {
    position: relative;
    font-size: clamp(2.5rem, 12vw, 4rem) !important;
    opacity: 1 !important;
  }

  .manifesto--collage {
    min-height: auto;
    margin-bottom: -3rem;
  }

  .manifesto__collage {
    padding-top: 1rem;
  }

  .manifesto__prose--torn {
    margin-left: 0;
    margin-right: 0;
  }

  .manifesto__aside-block--parasite {
    position: relative;
    right: auto;
    bottom: auto;
    width: auto;
    margin-top: 2rem;
  }

  .work__header--split {
    min-height: auto;
  }

  .work__title-chunk {
    position: relative;
    display: inline;
    font-size: inherit !important;
    margin-right: 0.15em;
  }

  .work__note--sideways {
    position: relative;
    right: auto;
    bottom: auto;
    writing-mode: horizontal-tb;
    transform: none;
    margin-top: 0.75rem;
    max-width: 28em;
  }
}

@media (max-width: 900px) {
  .manifesto__aside-block--parasite {
    position: relative;
    right: auto;
    bottom: auto;
    width: auto;
    margin-top: clamp(2rem, 6vw, 3rem);
    mix-blend-mode: normal;
    transform: rotate(-1deg);
  }

  .manifesto__label--detached {
    position: relative;
    top: auto;
    right: auto;
    transform: rotate(-2deg);
    transform-origin: center;
    margin-bottom: 1.5rem;
  }

  .manifesto__spine {
    position: relative;
    left: auto;
    top: auto;
    flex-direction: row;
    writing-mode: horizontal-tb;
    letter-spacing: 0.25em;
    margin-bottom: 1rem;
  }

  .manifesto__prose--torn {
    margin-left: 0;
  }

  .manifesto__frag--2 {
    writing-mode: horizontal-tb;
    max-height: none;
    max-width: 42em;
    margin-left: 0;
  }

  .masthead {
    transform: none;
  }
}