/* ============================================================
   ゆめムービー — style.css
   Underground Manga Archive × Adult Video Site
   Design tokens: rose primary, purple tag, near-black surface
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:ital,wght@0,300;0,400;0,600;0,700;0,900;1,400&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

/* ── CSS Custom Properties ── */
:root {
  --color-bg:        #0a0a10;
  --color-surface:   #111118;
  --color-card:      #16161f;
  --color-border:    #252535;
  --color-primary:   #ff2d78;
  --color-primary-dim: #c4174f;
  --color-primary-glow: rgba(255, 45, 120, 0.35);
  --color-tag:       #7c3aed;
  --color-tag-dim:   #5b27b8;
  --color-tag-glow:  rgba(124, 58, 237, 0.3);
  --color-text:      #ededf5;
  --color-text-muted: #8888a8;
  --color-text-dim:  #55556a;
  --color-star:      #f5b000;
  --font-en:         'Barlow Condensed', sans-serif;
  --font-ja:         'Noto Sans JP', sans-serif;
  --radius-card:     8px;
  --radius-pill:     20px;
  --header-h:        56px;
  --sidebar-w:       280px;
  --transition-fast: 0.15s ease;
  --transition-med:  0.25s ease;
}

/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 14px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-ja);
  font-weight: 400;
  line-height: 1.65;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Noise Texture Overlay ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
}

/* ── Background Ambient Glow ── */
body::before {
  content: '';
  position: fixed;
  top: -30vh;
  left: 50%;
  transform: translateX(-50%);
  width: 70vw;
  height: 60vh;
  background: radial-gradient(ellipse at center, rgba(255,45,120,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

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

img {
  display: block;
  max-width: 100%;
}

ul, ol {
  list-style: none;
}

/* ── Site Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(10, 10, 16, 0.75);
  backdrop-filter: blur(12px) saturate(160%);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

.site-header__logo {
  font-family: var(--font-en);
  font-weight: 900;
  font-style: italic;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-header__logo span {
  color: var(--color-primary);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-header__search-form {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-pill);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header__search-form:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-glow);
}

.site-header__search-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text);
  font-family: var(--font-ja);
  font-size: 12px;
  padding: 6px 12px;
  width: 150px;
}

@media (max-width: 480px) {
  .site-header__search-input { width: 90px; }
}

.site-header__search-input::placeholder {
  color: var(--color-text-dim);
}

@media (max-width: 480px) {
  .site-header__search-input { width: 90px; }
}

.site-header__search-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 10px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  transition: color var(--transition-fast);
}

.site-header__search-btn:hover {
  color: var(--color-primary);
}

.site-header__search-btn svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
}

/* ── Tag Nav ── */
.tag-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  user-select: none;
  cursor: grab;
}

.tag-nav::-webkit-scrollbar {
  display: none;
}

.tag-nav.is-dragging {
  cursor: grabbing;
}

.tag-nav__inner {
  display: flex;
  gap: 8px;
  padding: 10px 20px;
  white-space: nowrap;
  width: max-content;
  min-width: 100%;
}

.tag-nav__item {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tag-nav__item:hover {
  border-color: var(--color-tag);
  color: #c4a8ff;
  background: rgba(124, 58, 237, 0.12);
}

.tag-nav__item.is-active {
  background: var(--color-tag);
  border-color: var(--color-tag);
  color: #fff;
  box-shadow: 0 0 12px var(--color-tag-glow);
}

/* ── Layout ── */
.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  max-width: 1320px;
  margin: 0 auto;
  padding: 24px 16px;
  position: relative;
  z-index: 1;
}

@media (min-width: 900px) {
  .layout {
    grid-template-columns: 1fr var(--sidebar-w);
    gap: 32px;
    padding: 28px 24px;
  }
}

/* ── Sidebar ── */
.sidebar {
  display: none;
}

@media (min-width: 900px) {
  .sidebar {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 20px);
    height: fit-content;
    max-height: calc(100vh - var(--header-h) - 40px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
  }
}

.sidebar__section {
  margin-bottom: 20px;
}

.sidebar__heading {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

/* ── Ad Slots ── */
.ad-slot {
  min-height: 90px;
  border-radius: var(--radius-card);
  display: none;
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
}

.ad-slot:not(:empty) {
  display: block;
}

/* ── Sidebar Recent Posts ── */
.sidebar-recent {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-recent__item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  transition: opacity var(--transition-fast);
}

.sidebar-recent__item:hover {
  opacity: 0.75;
}

.sidebar-recent__thumb {
  width: 48px;
  height: 64px;
  flex-shrink: 0;
  border-radius: 4px;
  overflow: hidden;
  background: var(--color-card);
}

.sidebar-recent__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sidebar-recent__title {
  font-size: 11px;
  line-height: 1.5;
  color: var(--color-text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sidebar-recent__stars {
  font-size: 10px;
  color: var(--color-star);
  margin-top: 3px;
}

/* ── Card Grid ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

@media (max-width: 480px) {
  .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 8px;
  }
}

/* ── Card ── */
.card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
  opacity: 0;
  transform: translateY(18px);
  position: relative;
}

.card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px var(--color-primary-glow), 0 2px 8px rgba(0,0,0,0.5);
  border-color: rgba(255, 45, 120, 0.4);
}

/* ── Card Thumbnail ── */
.card__thumb-wrap {
  position: relative;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: var(--color-surface);
}

.card__thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  display: block;
}

.card:hover .card__thumb {
  transform: scale(1.04);
}

/* noimage fallback */
img[data-noimage],
.card__thumb[data-noimage] {
  background: linear-gradient(135deg, #1a1a28 0%, #111118 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Play Badge ── */
.card__play-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(255, 45, 120, 0.5);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card__play-badge svg {
  width: 12px;
  height: 12px;
  fill: #fff;
  margin-left: 2px;
}

.card:hover .card__play-badge {
  transform: scale(1.15);
  box-shadow: 0 4px 16px rgba(255, 45, 120, 0.65);
}

/* ── Card Body ── */
.card__body {
  padding: 10px 10px 8px;
}

.card__title {
  font-family: var(--font-ja);
  font-size: 11.5px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--color-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 7px;
}

/* ── Card Tags ── */
.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 7px;
}

.card__tag {
  font-family: var(--font-en);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 2px 7px;
  border-radius: 10px;
  background: rgba(124, 58, 237, 0.18);
  border: 1px solid rgba(124, 58, 237, 0.35);
  color: #b89dff;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ── Card Meta ── */
.card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 10.5px;
  color: var(--color-text-dim);
}

.card__stars {
  color: var(--color-star);
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 3px;
}

.card__stars svg {
  width: 10px;
  height: 10px;
  fill: var(--color-star);
}

.card__date {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.03em;
}

/* ── Section Heading ── */
.section-heading {
  font-family: var(--font-en);
  font-weight: 700;
  font-style: italic;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-heading::before {
  content: '';
  display: block;
  width: 4px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 2px;
  flex-shrink: 0;
}

/* ── Post Layout ── */
.post-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .post-layout {
    grid-template-columns: 220px 1fr;
    align-items: start;
  }
}

/* ── Post Thumb ── */
.post-thumb-wrap {
  position: relative;
  aspect-ratio: 2 / 3;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--color-surface);
}

.post-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Post Meta ── */
.post-meta-block {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.post-title {
  font-family: var(--font-ja);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-text);
}

@media (min-width: 900px) {
  .post-title {
    font-size: 22px;
  }
}

.post-info-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.post-info-item {
  display: flex;
  gap: 8px;
  font-size: 12px;
  align-items: baseline;
}

.post-info-label {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  flex-shrink: 0;
  min-width: 70px;
}

.post-info-value {
  color: var(--color-text-muted);
}

.post-info-value a:hover {
  color: var(--color-primary);
}

/* ── Review Stars (large) ── */
.review-block {
  display: flex;
  align-items: center;
  gap: 8px;
}

.review-stars {
  display: flex;
  gap: 2px;
}

.review-stars .star {
  width: 16px;
  height: 16px;
  fill: var(--color-star);
}

.review-stars .star--empty {
  fill: var(--color-border);
}

.review-score {
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-star);
}

.review-count {
  font-size: 11px;
  color: var(--color-text-dim);
}

/* ── Post Tags ── */
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.post-tag {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.4);
  color: #c4a8ff;
  transition: all var(--transition-fast);
}

.post-tag:hover {
  background: var(--color-tag);
  border-color: var(--color-tag);
  color: #fff;
}

/* ── Post Video ── */
.post-video {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: #000;
  margin: 20px 0;
}

.post-video iframe {
  /* JS (scaleDmmPlayer) controls size + transform */
  position: absolute;
  top: 0;
  left: 0;
  border: 0;
  display: block;
}

.post-video__trigger {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  cursor: pointer;
  background: linear-gradient(to bottom, rgba(10,10,16,0.4), rgba(10,10,16,0.7));
  transition: background var(--transition-med);
}

.post-video__trigger:hover {
  background: linear-gradient(to bottom, rgba(10,10,16,0.2), rgba(10,10,16,0.5));
}

.post-video__trigger img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

.post-video__play-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 32px var(--color-primary-glow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.post-video__trigger:hover .post-video__play-icon {
  transform: scale(1.1);
  box-shadow: 0 0 48px rgba(255, 45, 120, 0.55);
}

.post-video__play-icon svg {
  width: 28px;
  height: 28px;
  fill: #fff;
  margin-left: 4px;
}

.post-video__label {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
}


/* ── Post Package Image (表裏全体) ── */
.post-package {
  margin: 20px 0;
}

.post-package__label {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 8px;
}

.post-package__img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  display: block;
}

/* ── Post Body (Markdown rendered) ── */
.post-body {
  line-height: 1.8;
  color: var(--color-text-muted);
  margin: 20px 0;
}

.post-body h2 {
  font-family: var(--font-en);
  font-weight: 700;
  font-style: italic;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin: 28px 0 12px;
  padding-left: 14px;
  border-left: 3px solid var(--color-primary);
}

.post-body h3 {
  font-family: var(--font-ja);
  font-weight: 700;
  font-size: 14px;
  color: var(--color-text);
  margin: 20px 0 8px;
}

.post-body p {
  margin-bottom: 14px;
  font-size: 13px;
}

.post-body ul, .post-body ol {
  padding-left: 20px;
  margin-bottom: 14px;
}

.post-body ul {
  list-style: disc;
}

.post-body ol {
  list-style: decimal;
}

.post-body li {
  font-size: 13px;
  margin-bottom: 4px;
  color: var(--color-text-muted);
}

.post-body strong {
  color: var(--color-text);
  font-weight: 700;
}

.post-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: rgba(255, 45, 120, 0.4);
  text-underline-offset: 2px;
}

.post-body a:hover {
  color: #ff6ba0;
}

/* ── CTA Button ── */
.cta-wrap {
  margin: 24px 0;
  text-align: center;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 4px 20px var(--color-primary-glow);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.cta-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.cta-button:hover::before {
  transform: translateX(100%);
}

.cta-button:hover {
  background: var(--color-primary-dim);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 45, 120, 0.5);
}

.cta-button:active {
  transform: translateY(0);
}

.cta-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: #fff;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Ranking Badge ── */
.ranking-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-pill);
  padding: 3px 12px;
}

/* ── Tag / Actress Page ── */
.page-header {
  padding: 20px 0 16px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 20px;
}

.page-header__kicker {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 4px;
}

.page-header__title {
  font-family: var(--font-en);
  font-weight: 900;
  font-style: italic;
  font-size: 28px;
  letter-spacing: -0.02em;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-header__title .highlight {
  color: var(--color-primary);
}

.page-header__count {
  font-size: 12px;
  font-style: normal;
  font-weight: 400;
  color: var(--color-text-dim);
}

/* ── Pagination ── */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.pagination__item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.pagination__item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination__item.is-current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 0 12px var(--color-primary-glow);
}

.pagination__item--dots {
  border: none;
  color: var(--color-text-dim);
}

.pagination__prev,
.pagination__next {
  padding: 0 14px;
  width: auto;
  gap: 4px;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ── Search Page ── */
.search-page {
  padding: 20px 0;
}

.search-page__heading {
  font-family: var(--font-en);
  font-weight: 700;
  font-style: italic;
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--color-text);
}

/* Pagefind custom theme */
#search .pagefind-ui__search-input {
  background: var(--color-surface) !important;
  border-color: var(--color-border) !important;
  color: var(--color-text) !important;
  border-radius: var(--radius-pill) !important;
  font-family: var(--font-ja) !important;
}

#search .pagefind-ui__search-input:focus {
  border-color: var(--color-primary) !important;
  outline: none !important;
  box-shadow: 0 0 0 2px var(--color-primary-glow) !important;
}

#search .pagefind-ui__result {
  border-color: var(--color-border) !important;
}

#search .pagefind-ui__result-title {
  color: var(--color-text) !important;
}

#search .pagefind-ui__result-excerpt {
  color: var(--color-text-muted) !important;
}

/* ── 404 Page ── */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
  gap: 16px;
  padding: 40px 20px;
}

.error-page__code {
  font-family: var(--font-en);
  font-weight: 900;
  font-size: clamp(80px, 18vw, 160px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px var(--color-border);
  letter-spacing: -0.04em;
  position: relative;
  user-select: none;
}

.error-page__code::after {
  content: '404';
  position: absolute;
  inset: 0;
  color: var(--color-primary);
  -webkit-text-stroke: 0;
  clip-path: inset(0 60% 0 0);
}

.error-page__message {
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.error-page__desc {
  font-size: 13px;
  color: var(--color-text-dim);
  max-width: 340px;
  line-height: 1.7;
}

.error-page__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
}

.error-page__back:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  margin-top: 40px;
  padding: 24px 20px;
  text-align: center;
}

.site-footer__inner {
  max-width: 900px;
  margin: 0 auto;
}

.site-footer__copyright {
  font-family: var(--font-en);
  font-size: 11px;
  color: var(--color-text-dim);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.site-footer__note {
  font-size: 11px;
  color: var(--color-text-dim);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto;
}

/* ── Animations ── */
@keyframes fadeup {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--color-card) 25%, var(--color-surface) 50%, var(--color-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}

/* ── Utility ── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.main-content {
  min-width: 0;
}

.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 20px 0;
}

/* ── Responsive fine-tuning ── */
@media (max-width: 768px) {
  .post-layout {
    grid-template-columns: 1fr;
  }

  .post-thumb-wrap {
    max-width: 200px;
    margin: 0 auto;
  }

  .post-title {
    font-size: 16px;
  }

  .cta-button {
    width: 100%;
    padding: 14px 24px;
  }

  .site-header__logo {
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .layout {
    padding: 16px 12px;
  }

  .tag-nav__inner {
    padding: 8px 12px;
  }

  .site-header {
    padding: 0 12px;
  }
}