/* ============================================================
   WORK DETAIL PAGE
============================================================ */
.work-detail {
  padding-top: calc(var(--header-h) + clamp(2rem, 6vw, 5rem));
}

.work-detail__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  color: var(--color-text-sub);
  margin-bottom: 2rem;
  transition: color var(--transition), gap var(--transition);
}

.work-detail__back:hover,
.work-detail__back:focus-visible {
  color: var(--color-text);
  gap: 0.85rem;
}

.work-detail__inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* Title block */
.work-hero {
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.work-hero__category {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--color-text-sub);
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  display: inline-block;
}

.work-hero__title {
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  line-height: 1;
  margin-top: 1.25rem;
}

.work-hero__title-jp {
  display: block;
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  letter-spacing: 0.08em;
  color: var(--color-text-sub);
  margin-top: 0.75rem;
  font-weight: 500;
}

.work-hero__tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.work-hero__tools li {
  font-size: var(--size-small);
  color: var(--color-text-sub);
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 2px;
}

.work-hero__meta {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1.25rem;
  font-size: var(--size-small);
  color: var(--color-text-sub);
}

.work-hero__meta svg {
  flex-shrink: 0;
  opacity: 0.85;
}

.work-hero__meta strong {
  color: var(--color-text);
  font-weight: 700;
}

.work-hero__live {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.75rem;
  padding: 0.75rem 1.5rem;
  font-size: var(--size-small);
  color: var(--color-bg);
  background-color: var(--color-text);
  border-radius: 2px;
  transition: gap 0.25s ease, opacity 0.25s ease;
}

.work-hero__live:hover,
.work-hero__live:focus-visible {
  gap: 1rem;
  opacity: 0.85;
}

/* Main visual */
.work-visual {
  margin-bottom: clamp(3rem, 8vw, 5rem);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.work-visual img {
  width: 100%;
  height: auto;
  display: block;
}

.work-visual--placeholder {
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.2em;
  color: var(--color-text-sub);
}

/* Live embed (iframe) for motion graphics */
.work-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-bottom: clamp(3rem, 8vw, 5rem);
  background-color: #000;
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.work-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.work-embed__label {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 2;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  color: rgba(255, 255, 255, 0.8);
  padding: 0.3rem 0.65rem;
  background-color: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.18);
  pointer-events: none;
}

.work-embed__open {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.85);
  padding: 0.4rem 0.85rem;
  background-color: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.22);
  transition: background-color var(--transition), color var(--transition);
}

.work-embed__open:hover,
.work-embed__open:focus-visible {
  background-color: rgba(255, 255, 255, 0.92);
  color: #000;
}

.work-embed--logo {
  aspect-ratio: 4 / 3;
  background-color: #faf6ec;
}

.work-embed--logo .work-embed__label,
.work-embed--logo .work-embed__open {
  color: rgba(20, 17, 13, 0.78);
  background-color: rgba(255, 255, 255, 0.6);
  border-color: rgba(20, 17, 13, 0.18);
}

.work-embed--logo .work-embed__open:hover,
.work-embed--logo .work-embed__open:focus-visible {
  background-color: rgba(20, 17, 13, 0.85);
  color: #faf6ec;
}

/* Static logo showcase */
.work-logo-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 4 / 3;
  margin-bottom: clamp(3rem, 8vw, 5rem);
  background-color: #faf6ec;
  border: 1px solid var(--color-border);
  padding: clamp(2rem, 6vw, 4rem);
}

.work-logo-stage svg,
.work-logo-stage img {
  max-width: 60%;
  max-height: 100%;
  width: auto;
  height: auto;
}

.work-logo-stage--dark {
  background-color: #000;
  border-color: #000;
  padding: clamp(1rem, 3vw, 2rem);
}

.work-logo-stage--dark svg,
.work-logo-stage--dark img {
  max-width: 90%;
  max-height: 90%;
}

/* Section block */
.work-block {
  margin-bottom: clamp(3rem, 8vw, 5rem);
}

.work-block__label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.24em;
  color: var(--color-text-sub);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.work-block__h {
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.work-block__body p {
  font-size: 1.05rem;
  line-height: 2;
}

.work-block__body p + p {
  margin-top: 1.25rem;
}

/* Overview grid */
.work-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
}

.work-overview__col h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.18em;
  color: var(--color-text-sub);
  margin-bottom: 0.75rem;
}

.work-overview__col p {
  font-size: 1rem;
  line-height: 1.95;
}

.work-overview__target {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 1rem;
  line-height: 1.95;
}

.work-overview__target span {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.18em;
  color: var(--color-text-sub);
  margin-bottom: 0.75rem;
}

/* Persona */
.work-persona {
  padding: clamp(1.5rem, 4vw, 2.25rem);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 2px solid var(--color-accent);
}

.work-persona__head {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.work-persona__avatar {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--color-border);
}

.work-persona__name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.work-persona__meta {
  margin-top: 0.35rem;
  font-size: 0.875rem;
  color: var(--color-text-sub);
}

.work-persona__traits {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.work-persona__traits li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.8;
}

.work-persona__traits li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 1px;
  background-color: var(--color-text-sub);
}

.work-persona__insight {
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--color-text-sub);
}

/* Solution: problem -> action */
.work-solution__lead {
  margin-bottom: 1.75rem;
  font-size: 1rem;
  line-height: 1.95;
  color: var(--color-text-sub);
}

.work-solution {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.work-solution__item {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
}

.work-solution__problem {
  position: relative;
  padding-bottom: 1.25rem;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.7;
}

.work-solution__problem::after {
  content: '↓';
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  font-size: 0.85rem;
  color: var(--color-text-sub);
}

.work-solution__problem::before {
  content: 'PROBLEM';
  display: block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-text-sub);
  margin-bottom: 0.5rem;
}

.work-solution__action {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-text-sub);
}

.work-solution__action::before {
  content: 'SOLUTION';
  display: block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

/* Process step bar */
.work-process {
  display: flex;
  gap: 1rem;
  counter-reset: step;
}

.work-process__step {
  flex: 1;
  position: relative;
  padding: 1.5rem 1.25rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
}

.work-process__step::before {
  counter-increment: step;
  content: '0' counter(step);
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--color-text-sub);
  display: block;
  margin-bottom: 0.5rem;
}

.work-process__step h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}

.work-process__step p {
  font-size: 0.875rem;
  color: var(--color-text-sub);
  line-height: 1.7;
}

/* Gallery */
.work-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.work-gallery--single {
  grid-template-columns: 1fr;
}

.work-gallery--triple {
  grid-template-columns: repeat(3, 1fr);
}

.work-gallery__item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.work-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ポスター等の縦長画像：全体が見えるよう縦長セル + contain */
.work-gallery--portrait .work-gallery__item {
  aspect-ratio: 594 / 841; /* A1サイズ準拠 */
  background-color: #f4f1ec;
}

.work-gallery--portrait .work-gallery__item img {
  object-fit: contain;
}

/* スマホ縦長スクショ：全体が見えるよう縦長セル + contain（ダーク背景） */
.work-gallery--phone .work-gallery__item {
  aspect-ratio: 1010 / 1558; /* 実機スクショ準拠 */
  background-color: #0b0e3a;
}

.work-gallery--phone .work-gallery__item img {
  object-fit: contain;
}

/* Lightbox: クリックで拡大表示 */
.work-gallery--lightbox .work-gallery__item {
  cursor: zoom-in;
  padding: 0;
  font: inherit;
  color: inherit;
  text-align: inherit;
  transition: transform var(--transition);
}

.work-gallery--lightbox .work-gallery__item:hover,
.work-gallery--lightbox .work-gallery__item:focus-visible {
  transform: translateY(-2px);
  outline: 1px solid var(--color-text-sub);
  outline-offset: 2px;
}

/* Lightbox modal */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.92);
  padding: clamp(1rem, 4vw, 3rem);
}

.lightbox.is-open {
  display: flex;
}

.lightbox__img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  user-select: none;
}

.lightbox__close {
  position: absolute;
  top: clamp(1rem, 2vw, 1.5rem);
  right: clamp(1rem, 2vw, 1.5rem);
  width: 3rem;
  height: 3rem;
  background-color: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition:
    background-color var(--transition),
    border-color var(--transition);
}

.lightbox__close:hover,
.lightbox__close:focus-visible {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

/* Retrospective list */
.work-retro {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.work-retro__card {
  padding: 1.5rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 2px solid var(--color-accent);
}

.work-retro__card--lead {
  grid-column: 1 / -1;
}

.work-retro__card h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  color: var(--color-text-sub);
  margin-bottom: 0.75rem;
}

.work-retro__card p {
  font-size: 0.95rem;
  line-height: 1.85;
}

/* Inline note + link row (used for local-only demos etc.) */
.work-note {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-text-sub);
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--color-border);
  border-left: 2px solid var(--color-accent);
  background-color: var(--color-surface);
}

.work-note strong {
  color: var(--color-text);
}

.work-link-row {
  margin-top: 1.25rem;
}

.work-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.12em;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  background-color: transparent;
  transition: border-color var(--transition), background-color var(--transition);
}

.work-link:hover,
.work-link:focus-visible {
  border-color: var(--color-text);
  background-color: rgba(255, 255, 255, 0.04);
}

/* Prev / Next nav */
.work-pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: clamp(3rem, 8vw, 5rem);
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.work-pager__link {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-width: 45%;
  transition: color var(--transition);
}

.work-pager__link--next {
  text-align: right;
  margin-left: auto;
}

.work-pager__hint {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--color-text-sub);
}

.work-pager__title {
  font-size: 1.05rem;
  font-weight: 700;
  transition: color var(--transition);
}

.work-pager__link:hover .work-pager__title,
.work-pager__link:focus-visible .work-pager__title {
  color: var(--color-text-sub);
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1023px) {
  .work-overview,
  .work-retro,
  .work-solution {
    grid-template-columns: 1fr;
  }

  .work-process {
    flex-direction: column;
  }

  .work-gallery--triple {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .work-gallery,
  .work-gallery--triple {
    grid-template-columns: 1fr;
  }
}