/* ==========================================================================
   宇城市政を刷新する会／宇城・三角 地域構想アーカイブ
   Design System: 地域未来研究所 × 海洋政策アーカイブ × 歴史資料館
   ========================================================================== */

:root {
  /* 基本カラーパレット */
  --uki-navy-950: #031421;
  --uki-navy-900: #062033;
  --uki-navy-850: #082a3e;
  --uki-navy-800: #0b3448;

  --uki-teal-700: #0d6370;
  --uki-teal-600: #147886;
  --uki-teal-400: #4ca7ad;

  --uki-gold-500: #d4a94d;
  --uki-gold-400: #e2bd68;
  --uki-gold-300: #ecd28f;

  --uki-white: #f7f8f5;
  --uki-text-light: #e8eef0;
  --uki-text-muted: #aebfc5;
  --uki-border: rgba(212, 169, 77, 0.45);
  --uki-border-subtle: rgba(212, 169, 77, 0.2);

  /* タイポグラフィ */
  --font-serif: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  --font-sans: "Yu Gothic", "YuGothic", "Hiragino Kaku Gothic ProN", system-ui, -apple-system, sans-serif;

  /* 余白 & レイアウト */
  --container-max-width: 1240px;
}

/* Base Body Setup */
body {
  background-color: var(--uki-navy-950);
  color: var(--uki-text-light);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--uki-gold-400);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: var(--uki-gold-300);
  text-decoration: underline;
}

/* Skip link */
.uki-skip {
  position: absolute;
  top: -100px;
  left: 10px;
  background: var(--uki-gold-500);
  color: var(--uki-navy-950);
  padding: 12px 20px;
  z-index: 10000;
  font-weight: bold;
}
.uki-skip:focus {
  top: 10px;
}

/* ==========================================================================
   共通固定ヘッダー
   ========================================================================== */
.uki-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background-color: rgba(3, 20, 33, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--uki-border);
  height: 76px;
  display: flex;
  align-items: center;
}

.uki-header-inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
}

.uki-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--uki-white);
}

.uki-brand:hover {
  text-decoration: none;
}

.uki-brand-icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.uki-brand-text {
  display: flex;
  flex-direction: column;
}

.uki-brand-text strong {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  letter-spacing: 0.05em;
  color: var(--uki-white);
  line-height: 1.2;
}

.uki-brand-text small {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--uki-gold-400);
  margin-top: 2px;
  font-family: var(--font-sans);
}

.uki-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.uki-nav a {
  color: var(--uki-text-light);
  font-size: 0.95rem;
  font-family: var(--font-serif);
  letter-spacing: 0.04em;
  padding: 6px 0;
  position: relative;
  transition: color 0.2s ease;
}

.uki-nav a:hover,
.uki-nav a[aria-current="page"] {
  color: var(--uki-gold-400);
  text-decoration: none;
}

.uki-nav a[aria-current="page"]::after,
.uki-nav a:hover::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--uki-gold-400);
}

/* Mobile Menu Button */
.uki-menu-button {
  display: none;
  background: transparent;
  border: 1px solid var(--uki-border);
  color: var(--uki-gold-400);
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
}

/* ==========================================================================
   シネマティック ヒーローセクション (トップページ - 正式高画質アセット)
   ========================================================================== */
.uki-hero-section {
  position: relative;
  width: 100%;
  min-height: 660px;
  background-color: var(--uki-navy-950);
  background-image: 
    linear-gradient(to right, rgba(3, 20, 33, 0.88) 0%, rgba(3, 20, 33, 0.45) 50%, rgba(3, 20, 33, 0.15) 100%),
    url("ukigov_assets/images/hero_bg.webp"),
    url("ukigov_assets/images/hero_bg.jpg");
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--uki-border);
}

.uki-hero-inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 88px 24px;
  width: 100%;
  position: relative;
  z-index: 2;
  box-sizing: border-box;
  display: block !important;
}

.uki-hero-label {
  display: inline-block;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--uki-gold-400);
  font-weight: 600;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.uki-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 3.8vw, 3.8rem);
  font-weight: 500;
  color: var(--uki-white);
  line-height: 1.25;
  margin: 0 0 24px 0;
  letter-spacing: 0.03em;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
  white-space: normal;
}

.uki-hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  color: var(--uki-text-light);
  margin: 0 0 32px 0;
  font-weight: 400;
  letter-spacing: 0.03em;
  max-width: 680px;
  line-height: 1.6;
}

.uki-hero-location {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--uki-gold-300);
  letter-spacing: 0.08em;
}

.uki-hero-location svg {
  width: 16px;
  height: 16px;
  fill: var(--uki-gold-400);
}

/* ==========================================================================
   「このアーカイブについて」案内ブロック
   ========================================================================== */
.uki-about-section {
  background-color: var(--uki-navy-900);
  border-bottom: 1px solid var(--uki-border-subtle);
  padding: 48px 0;
}

.uki-about-inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
  box-sizing: border-box;
}

.uki-about-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 1px solid var(--uki-border);
  background-color: var(--uki-navy-850);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.uki-about-icon-wrap svg {
  width: 32px;
  height: 32px;
  fill: var(--uki-gold-400);
}

.uki-about-body h2 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--uki-gold-400);
  margin: 0 0 8px 0;
}

.uki-about-body p {
  font-size: 1.02rem;
  color: var(--uki-text-light);
  margin: 0;
  line-height: 1.75;
}

/* ==========================================================================
   セクション共通見出し
   ========================================================================== */
.uki-section-block {
  padding: 56px 0;
  border-bottom: 1px solid var(--uki-border-subtle);
}

@media (max-width: 768px) {
  .uki-section-block {
    padding: 40px 0;
  }
}

.uki-section-inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
  box-sizing: border-box;
}

.uki-section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 1.95rem);
  color: var(--uki-white);
  margin: 0 0 28px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: 0.04em;
}

.uki-section-title::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  background-color: var(--uki-gold-400);
  transform: rotate(45deg);
}

/* ==========================================================================
   主要資料ライブラリ (6件グリッド - 代表収蔵画像サムネイル付き)
   ========================================================================== */
.uki-library-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.uki-lib-card {
  background-color: var(--uki-navy-850);
  border: 1px solid var(--uki-border);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}

.uki-lib-card:hover {
  border-color: var(--uki-gold-300);
  background-color: var(--uki-navy-800);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.uki-lib-card-media {
  width: 100%;
  height: 190px;
  background-color: #020b12;
  border-bottom: 1px solid var(--uki-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 10px;
  box-sizing: border-box;
}

.uki-lib-card-media img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.5));
  transition: transform 0.3s ease;
}

.uki-lib-card:hover .uki-lib-card-media img {
  transform: scale(1.04);
}

.uki-lib-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.uki-lib-card-badge {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--uki-gold-400);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  font-weight: 500;
}

.uki-lib-card-badge--featured {
  color: var(--uki-gold-300);
  background-color: rgba(212, 169, 77, 0.15);
  padding: 3px 8px;
  border-radius: 3px;
  border: 1px solid rgba(212, 169, 77, 0.3);
}

.uki-lib-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--uki-white);
  margin: 0 0 10px 0;
  line-height: 1.35;
}

.uki-lib-card p {
  font-size: 0.93rem;
  color: var(--uki-text-muted);
  margin: 0 0 20px 0;
  line-height: 1.65;
  flex-grow: 1;
}

.uki-lib-card-cta {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  color: var(--uki-gold-400);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  margin-top: auto;
}

.uki-lib-card:hover .uki-lib-card-cta {
  color: var(--uki-gold-300);
}

/* 主要資料ライブラリ：カード全体を自然な資料リンクとして扱う */
.uki-lib-card--link {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

.uki-lib-card--link:focus-visible {
  outline: 3px solid var(--uki-gold-300);
  outline-offset: 4px;
}

.uki-lib-card--link:hover .uki-lib-card-cta span,
.uki-lib-card--link:focus-visible .uki-lib-card-cta span {
  transform: translateX(4px);
}

.uki-lib-card-cta span {
  display: inline-block;
  transition: transform 0.2s ease;
}

/* ==========================================================================
   関連アーカイブ (2件横長カード)
   ========================================================================== */
.uki-rel-archive-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .uki-rel-archive-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .uki-rel-archive-grid {
    grid-template-columns: 1fr;
  }
}

.uki-rel-card-banner {
  background-color: var(--uki-navy-850);
  border: 1px solid var(--uki-border);
  border-radius: 8px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  color: var(--uki-white);
  text-decoration: none;
  transition: border-color 0.25s ease, background-color 0.25s ease, transform 0.25s ease;
  height: 100%;
  box-sizing: border-box;
}

.uki-rel-card-banner:hover {
  border-color: var(--uki-gold-300);
  background-color: var(--uki-navy-800);
  text-decoration: none;
  transform: translateY(-2px);
}

.uki-rel-card-banner .uki-rel-icon-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 6px;
  overflow: hidden;
  background: #000;
  border: 1px solid var(--uki-border-subtle);
  flex-shrink: 0;
}

.uki-rel-card-banner .uki-rel-icon-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.uki-rel-card-banner .uki-rel-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
}

.uki-rel-card-banner .uki-rel-content h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--uki-white);
  line-height: 1.4;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.uki-rel-card-banner .uki-rel-content h3 .ext {
  color: var(--uki-gold-400);
  font-size: 0.9rem;
}

.uki-rel-card-banner .uki-rel-content p {
  font-size: 0.88rem;
  color: var(--uki-text-muted);
  line-height: 1.6;
  margin: 0;
}

.uki-rel-icon-wrap svg {
  width: 24px;
  height: 24px;
  fill: var(--uki-gold-400);
}

.uki-rel-content h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--uki-white);
  margin: 0 0 8px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.uki-rel-content h3 span.ext {
  font-size: 0.85rem;
  color: var(--uki-gold-400);
}

.uki-rel-content p {
  font-size: 0.93rem;
  color: var(--uki-text-muted);
  margin: 0;
  line-height: 1.6;
}

/* ==========================================================================
   講演・映像記録アーカイブ (台帳形式)
   ========================================================================== */
.uki-video-ledger-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.uki-ledger-row {
  background-color: var(--uki-navy-850);
  border: 1px solid var(--uki-border);
  border-radius: 4px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.uki-ledger-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.uki-ledger-date-badge {
  font-size: 0.85rem;
  color: var(--uki-gold-400);
  background-color: var(--uki-navy-900);
  border: 1px solid var(--uki-border-subtle);
  padding: 6px 12px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
}

.uki-ledger-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--uki-white);
  margin: 0;
}

.uki-ledger-links {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.uki-ledger-btn {
  font-size: 0.88rem;
  color: var(--uki-gold-400);
  border: 1px solid var(--uki-border-subtle);
  padding: 6px 14px;
  border-radius: 4px;
  background-color: var(--uki-navy-900);
  transition: all 0.2s ease;
}

.uki-ledger-btn:hover {
  color: var(--uki-white);
  border-color: var(--uki-gold-400);
  background-color: var(--uki-teal-700);
  text-decoration: none;
}

/* ==========================================================================
   活動記録・PDF構想資料・関連出版物 (3列)
   ========================================================================== */
.uki-triple-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.uki-triple-col h3 {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--uki-gold-400);
  margin: 0 0 20px 0;
  border-bottom: 1px solid var(--uki-border-subtle);
  padding-bottom: 10px;
}

/* ==========================================================================
   PDF 構想資料ダウンロード カード (表紙サムネイル強調プレミアム4列/2列グリッド)
   ========================================================================== */
.uki-pdf-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1100px) {
  .uki-pdf-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .uki-pdf-grid {
    grid-template-columns: 1fr;
  }
}

.uki-pdf-doc-card {
  background-color: var(--uki-navy-850);
  border: 1px solid var(--uki-border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  height: 100%;
}

.uki-pdf-doc-card:hover {
  border-color: var(--uki-gold-300);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.uki-pdf-doc-cover {
  width: 100%;
  height: 180px;
  background-color: #020b12;
  border-bottom: 1px solid var(--uki-border-subtle);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  box-sizing: border-box;
}

.uki-pdf-doc-cover img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.6));
  transition: transform 0.3s ease;
}

.uki-pdf-doc-card:hover .uki-pdf-doc-cover img {
  transform: scale(1.04);
}

.uki-pdf-badge-pages {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: rgba(3, 20, 33, 0.88);
  color: var(--uki-gold-300);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--uki-border-subtle);
  backdrop-filter: blur(4px);
}

.uki-pdf-doc-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 10px;
}

.uki-pdf-doc-title {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--uki-white);
  line-height: 1.35;
  margin: 0;
}

.uki-pdf-doc-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
}

.uki-pdf-doc-size {
  color: var(--uki-gold-400);
  font-weight: 600;
  background-color: rgba(212, 169, 77, 0.12);
  padding: 2px 6px;
  border-radius: 3px;
}

.uki-pdf-doc-tag {
  color: var(--uki-text-muted);
}

.uki-pdf-doc-desc {
  font-size: 0.82rem;
  color: var(--uki-text-muted);
  line-height: 1.55;
  margin: 0;
  flex-grow: 1;
}

.uki-pdf-doc-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 6px;
}

.uki-pdf-btn--primary {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 9px 14px;
  background-color: var(--uki-gold-400);
  color: var(--uki-navy-950);
  font-size: 0.84rem;
  font-weight: 700;
  border-radius: 4px;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.15s ease;
  box-shadow: 0 2px 6px rgba(212, 169, 77, 0.2);
}

.uki-pdf-btn--primary:hover {
  background-color: var(--uki-gold-300);
  color: var(--uki-navy-950);
  text-decoration: none;
  transform: translateY(-1px);
}

.uki-pdf-btn--secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--uki-text-muted);
  border: 1px solid var(--uki-border-subtle);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.uki-pdf-btn--secondary:hover {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--uki-white);
  border-color: var(--uki-border);
  text-decoration: none;
}

@media (max-width: 640px) {
  .uki-pdf-card {
    flex-wrap: wrap;
  }
  .uki-pdf-card-actions {
    width: 100%;
    margin-top: 8px;
    justify-content: flex-end;
  }
}

.uki-pdf-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.uki-pdf-btn--web {
  background-color: rgba(212, 169, 77, 0.15);
  color: var(--uki-gold-300);
  border: 1px solid var(--uki-gold-400);
}

.uki-pdf-btn--web:hover {
  background-color: var(--uki-gold-400);
  color: var(--uki-navy-950);
}

.uki-pdf-btn--pdf {
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--uki-text-muted);
  border: 1px solid var(--uki-border-subtle);
}

.uki-pdf-btn--pdf:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--uki-white);
  border-color: var(--uki-border);
}

/* ==========================================================================
   PDF Web Document Viewer Pages
   ========================================================================== */
.uki-doc-viewer-meta {
  background: var(--uki-navy-850);
  border: 1px solid var(--uki-border);
  border-radius: 8px;
  padding: 24px 28px;
  margin-bottom: 32px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.uki-doc-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin-top: 16px;
  margin-bottom: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--uki-border-subtle);
}

.uki-doc-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.uki-doc-meta-label {
  font-size: 0.78rem;
  color: var(--uki-text-muted);
  letter-spacing: 0.05em;
}

.uki-doc-meta-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--uki-gold-300);
}

.uki-doc-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 16px;
  border-top: 1px solid var(--uki-border-subtle);
}

.uki-doc-notice-badge {
  font-size: 0.8rem;
  color: var(--uki-text-muted);
  line-height: 1.5;
  background: rgba(255,255,255,0.03);
  padding: 8px 12px;
  border-radius: 4px;
  border: 1px dashed var(--uki-border-subtle);
}

.uki-doc-viewer-gallery {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  max-width: 1000px;
  margin: 0 auto;
}

.uki-doc-page-card {
  width: 100%;
  background: var(--uki-navy-900);
  border: 1px solid var(--uki-border-subtle);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  transition: border-color 0.2s ease;
}

.uki-doc-page-card:hover {
  border-color: var(--uki-gold-400);
}

.uki-doc-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  background: var(--uki-navy-800);
  border-bottom: 1px solid var(--uki-border-subtle);
  font-size: 0.85rem;
  color: var(--uki-text-muted);
}

.uki-doc-page-badge {
  font-weight: 600;
  color: var(--uki-gold-300);
}

.uki-doc-page-img-wrap {
  width: 100%;
  background: #000;
  display: flex;
  justify-content: center;
}

.uki-doc-page-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

.uki-doc-page-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  background: var(--uki-navy-850);
  border-top: 1px solid var(--uki-border-subtle);
  font-size: 0.8rem;
}

.uki-doc-page-footer a {
  color: var(--uki-gold-400);
  text-decoration: none;
  font-weight: 500;
}

.uki-doc-page-footer a:hover {
  text-decoration: underline;
}

.uki-pdf-item-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.uki-pdf-row {
  background-color: var(--uki-navy-850);
  border: 1px solid var(--uki-border-subtle);
  padding: 12px 16px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.uki-pdf-row a {
  font-size: 0.92rem;
  color: var(--uki-white);

}

.uki-pdf-row a:hover {
  color: var(--uki-gold-300);
}

.uki-pdf-size {
  font-size: 0.78rem;
  color: var(--uki-gold-400);
  background-color: var(--uki-navy-950);
  padding: 2px 8px;
  border-radius: 3px;
  border: 1px solid var(--uki-border-subtle);
}

.uki-pub-card {
  background-color: var(--uki-navy-850);
  border: 1px solid var(--uki-border-subtle);
  padding: 16px 20px;
  border-radius: 4px;
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.uki-pub-card svg {
  width: 24px;
  height: 24px;
  fill: var(--uki-gold-400);
  flex-shrink: 0;
  margin-top: 2px;
}

.uki-pub-title {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  color: var(--uki-white);
  margin: 0 0 4px 0;
}

/* ==========================================================================
   年代別アーカイブ年表 (縦型タイムライン)
   ========================================================================== */
.uki-timeline {
  position: relative;
  padding-left: 28px;
  margin-left: 12px;
  border-left: 2px solid var(--uki-gold-500);
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.uki-tl-item {
  position: relative;
}

.uki-tl-item::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--uki-gold-400);
  border: 3px solid var(--uki-navy-950);
}

.uki-tl-year {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--uki-gold-300);
  font-weight: 600;
  margin-bottom: 4px;
}

.uki-tl-desc {
  font-size: 0.95rem;
  color: var(--uki-text-light);
  margin: 0;
  line-height: 1.6;
}

/* ==========================================================================
   アーカイブ利用注記パネル
   ========================================================================== */
.uki-notice-panel {
  background-color: var(--uki-navy-900);
  border: 1px solid var(--uki-border);
  border-radius: 6px;
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.uki-notice-panel-inner {
  position: relative;
  z-index: 2;
}

.uki-notice-panel h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--uki-gold-400);
  margin: 0 0 12px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.uki-notice-panel p {
  font-size: 0.95rem;
  color: var(--uki-text-light);
  margin: 0;
  line-height: 1.8;
}

.uki-notice-lighthouse-svg {
  position: absolute;
  bottom: -10px;
  right: 20px;
  width: 100px;
  height: 140px;
  opacity: 0.15;
  pointer-events: none;
  fill: var(--uki-gold-400);
}

/* ==========================================================================
   共通フッター
   ========================================================================== */
.uki-footer {
  background-color: #020c14;
  border-top: 1px solid var(--uki-border);
  padding: 36px 0;
}

.uki-footer-inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
  font-size: 0.88rem;
  color: var(--uki-text-muted);
}

.uki-footer-copy {
  font-family: var(--font-serif);
}

.uki-footer-links {
  display: flex;
  gap: 20px;
}

.uki-footer-links a {
  color: var(--uki-text-muted);
}

.uki-footer-links a:hover {
  color: var(--uki-gold-400);
}

/* Back to top button */
.uki-totop {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--uki-navy-850);
  border: 1px solid var(--uki-border);
  color: var(--uki-gold-400);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.uki-totop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   個別資料ページ 共通構造 & 羊皮紙スタイル (長文資料可読性最優先)
   ========================================================================== */
.uki-doc-hero {
  background-color: var(--uki-navy-900);
  border-bottom: 1px solid var(--uki-border);
  padding: 56px 0 40px 0;
}

.uki-doc-hero-inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
  box-sizing: border-box;
}

.uki-doc-hero-badges {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.uki-badge-cat {
  font-size: 0.78rem;
  color: var(--uki-gold-400);
  border: 1px solid var(--uki-border);
  padding: 3px 10px;
  border-radius: 3px;
  background-color: rgba(212, 169, 77, 0.1);
}

.uki-badge-type {
  font-size: 0.78rem;
  color: var(--uki-teal-400);
  border: 1px solid var(--uki-teal-600);
  padding: 3px 10px;
  border-radius: 3px;
  background-color: rgba(20, 120, 134, 0.1);
}

.uki-doc-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  color: var(--uki-white);
  margin: 0 0 12px 0;
  line-height: 1.28;
}

.uki-doc-hero-date {
  font-size: 0.9rem;
  color: var(--uki-gold-300);
}

/* パンくず */
.uki-breadcrumb {
  background-color: var(--uki-navy-950);
  border-bottom: 1px solid var(--uki-border-subtle);
  padding: 12px 0;
  font-size: 0.85rem;
}

.uki-breadcrumb-inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
  box-sizing: border-box;
  color: var(--uki-text-muted);
}

.uki-breadcrumb a {
  color: var(--uki-text-muted);
}

.uki-breadcrumb a:hover {
  color: var(--uki-gold-400);
}

.uki-breadcrumb-sep {
  margin: 0 8px;
  color: var(--uki-border-subtle);
}

.uki-breadcrumb-current {
  color: var(--uki-gold-400);
}

/* 長文資料 羊皮紙・公文書スタイル本文領域 */
.uki-parchment-stage {
  background-color: var(--uki-navy-950);
  padding: 48px 0 80px 0;
}

.uki-parchment-paper {
  max-width: 840px;
  margin: 0 auto;
  background-color: #f5f4ef; /* 淡い砂色・羊皮紙トーン */
  color: #102230; /* 濃紺・最高コントラスト文字 */
  padding: 56px 64px;
  border-radius: 4px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--uki-gold-500);
  box-sizing: border-box;
}

.uki-parchment-paper p {
  font-size: 1.06rem;
  line-height: 1.95;
  margin: 0 0 24px 0;
  color: #102230;
}

.uki-parchment-paper h1,
.uki-parchment-paper h2,
.uki-parchment-paper h3,
.uki-parchment-paper h4 {
  font-family: var(--font-serif);
  color: #0b3448;
  margin: 40px 0 20px 0;
  line-height: 1.35;
  border-bottom: 2px solid #d4a94d;
  padding-bottom: 8px;
}

.uki-parchment-paper h2 { font-size: 1.65rem; }
.uki-parchment-paper h3 { font-size: 1.38rem; border-bottom-width: 1px; }

.uki-parchment-paper a {
  color: #0d6370;
  font-weight: 600;
}

.uki-parchment-paper a:hover {
  color: #147886;
}

/* 目次パネル */
.uki-toc-panel {
  background-color: var(--uki-navy-900);
  border: 1px solid var(--uki-border);
  border-radius: 6px;
  padding: 28px 32px;
  margin-bottom: 40px;
  color: var(--uki-white);
}

.uki-toc-panel h3 {
  font-family: var(--font-serif);
  color: var(--uki-gold-400);
  font-size: 1.2rem;
  margin: 0 0 16px 0;
  border-bottom: 1px solid var(--uki-border-subtle);
  padding-bottom: 8px;
}

.uki-toc-panel ol {
  margin: 0;
  padding-left: 20px;
}

.uki-toc-panel li {
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.uki-toc-panel a {
  color: var(--uki-text-light);
}

.uki-toc-panel a:hover {
  color: var(--uki-gold-400);
}

/* 画像ギャラリー台紙スタイル (三角・カート) */
.uki-gallery-stage {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 48px 24px;
  box-sizing: border-box;
}

.uki-gallery-grid-v2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.uki-gallery-card-v2 {
  background-color: #f5f4ef;
  border: 1px solid var(--uki-gold-500);
  border-radius: 4px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.uki-gallery-card-v2 img {
  width: 100%;
  height: auto;
  border: 1px solid #d0cebe;
  display: block;
}

.uki-gallery-card-cap {
  margin-top: 14px;
  font-size: 0.92rem;
  color: #102230;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 500;
}

.uki-gallery-card-cap a {
  color: #0d6370;
  font-size: 0.85rem;
}

/* アーカイブ本文：現在の閲覧UIと保存本文を分離 */
.uki-archive-layout {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: minmax(220px, 270px) minmax(0, 1fr);
  gap: 30px;
  box-sizing: border-box;
}

.uki-archive-sidebar {
  position: sticky;
  top: 88px;
  align-self: start;
}

.uki-reader-toc {
  max-height: calc(100vh - 112px);
  overflow: auto;
  background: var(--uki-navy-900);
  border: 1px solid var(--uki-border);
  border-radius: 6px;
  padding: 20px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
}

.uki-reader-toc-title,
.uki-viewer-kicker {
  display: block;
  color: var(--uki-gold-400);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  margin-bottom: 12px;
}

.uki-reader-toc ol { margin: 0; padding-left: 1.2rem; }
.uki-reader-toc li { margin: 0 0 8px; }
.uki-reader-toc a { color: var(--uki-text-light); font-size: 0.9rem; line-height: 1.45; }
.uki-reader-toc a:hover, .uki-reader-toc a:focus-visible { color: var(--uki-gold-300); }
.uki-reader-toc .uki-toc-link--sub { color: var(--uki-text-muted); font-size: 0.83rem; }
.uki-reader-toc-note { color: var(--uki-text-muted); font-size: 0.88rem; line-height: 1.65; }
.uki-toc-more { margin-top: 12px; color: var(--uki-gold-400); font-size: 0.85rem; }
.uki-toc-more summary { cursor: pointer; }
.uki-toc-more ol { margin-top: 12px; }

.uki-reading-status {
  margin: 0 0 12px;
  padding: 10px 14px;
  display: flex;
  gap: 12px;
  align-items: baseline;
  background: rgba(212, 169, 77, 0.1);
  border-left: 3px solid var(--uki-gold-400);
  color: var(--uki-text-light);
  font-size: 0.88rem;
}
.uki-reading-status span { color: var(--uki-gold-300); font-size: 0.76rem; letter-spacing: 0.08em; }
.uki-reading-status strong { font-family: var(--font-serif); font-weight: 600; }
.uki-archive-reading .uki-parchment-paper { max-width: none; margin: 0; }
.uki-archive-figure { margin: 28px auto; padding: 12px; max-width: 900px; background: #f5f4ef; border: 1px solid var(--uki-gold-500); }
.uki-archive-figure img { display: block; max-width: 100%; height: auto; margin: 0 auto; }
.uki-archive-figure-caption { display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 11px 3px 0; color: #102230; font-size: 0.9rem; }
.uki-archive-figure-caption a { white-space: nowrap; }

/* 図面はJSなしでも全枚数を連続で読める縦型資料ビューア */
.uki-document-viewer { max-width: 1040px; margin: 0 auto; }
.uki-viewer-toolbar { position: sticky; top: 64px; z-index: 4; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 18px; background: rgba(3, 20, 33, 0.96); border: 1px solid var(--uki-border); border-bottom: 2px solid var(--uki-gold-500); }
.uki-viewer-toolbar .uki-viewer-kicker { margin: 0 0 4px; }
.uki-viewer-toolbar strong { color: var(--uki-white); font-family: var(--font-serif); }
.uki-viewer-toolbar p { margin: 0; color: var(--uki-gold-300); white-space: nowrap; }
.uki-viewer-thumbs { display: flex; flex-wrap: wrap; gap: 7px; padding: 16px 0; }
.uki-viewer-thumbs a { display: inline-flex; align-items: center; justify-content: center; min-width: 2.35rem; padding: 7px 8px; text-align: center; color: var(--uki-text-light); border: 1px solid var(--uki-border); background: var(--uki-navy-900); font-size: 0.8rem; text-decoration: none; }
.uki-viewer-thumbs a:hover, .uki-viewer-thumbs a[aria-current="true"] { color: var(--uki-navy-950); background: var(--uki-gold-400); border-color: var(--uki-gold-300); }
.uki-viewer-pages { display: grid; gap: 28px; }
.uki-viewer-page { scroll-margin-top: 146px; margin: 0; padding: 18px; background: #f5f4ef; border: 1px solid var(--uki-gold-500); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.26); }
.uki-viewer-page-meta, .uki-viewer-page-nav { display: flex; justify-content: space-between; gap: 16px; align-items: center; font-size: 0.85rem; }
.uki-viewer-page-meta { padding-bottom: 12px; color: #102230; font-weight: 700; }
.uki-viewer-page a { color: #0d6370; }
.uki-viewer-image-link { display: block; background: #fff; border: 1px solid #d0cebe; }
.uki-viewer-image-link:focus-visible { outline: 3px solid #0d6370; outline-offset: 3px; }
.uki-viewer-image-link img { display: block; width: 100%; max-width: 100%; height: auto; margin: 0 auto; }
.uki-viewer-page figcaption { padding: 12px 0; color: #102230; font-weight: 600; }
.uki-viewer-page-nav { padding-top: 12px; border-top: 1px solid #d0cebe; }
.uki-image-dialog { max-width: min(96vw, 1500px); max-height: 94vh; padding: 12px; border: 1px solid var(--uki-gold-400); background: var(--uki-navy-950); }
.uki-image-dialog::backdrop { background: rgba(0, 0, 0, 0.78); }
.uki-image-dialog img { display: block; max-width: 92vw; max-height: 84vh; width: auto; height: auto; }
.uki-image-dialog button { display: block; margin: 0 0 8px auto; width: 36px; height: 36px; color: var(--uki-navy-950); background: var(--uki-gold-400); border: 0; border-radius: 50%; font-size: 1.4rem; cursor: pointer; }

/* ==========================================================================
   レスポンシブ メディアクエリ
   ========================================================================== */
@media (max-width: 1280px) {
  .uki-hero-title {
    white-space: normal;
    word-break: keep-all;
    max-width: 15em;
  }
}

@media (max-width: 1024px) {
  .uki-library-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .uki-triple-grid {
    grid-template-columns: 1fr;
  }
  .uki-parchment-paper {
    padding: 40px 32px;
  }
}

@media (max-width: 768px) {
  .uki-header {
    height: 64px;
  }
  .uki-nav {
    display: none; /* ドロワー化 */
  }
  .uki-menu-button {
    display: block;
  }
  .uki-hero-section {
    min-height: 520px;
    background-image: 
      linear-gradient(to bottom, rgba(3, 20, 33, 0.88) 0%, rgba(3, 20, 33, 0.52) 55%, rgba(3, 20, 33, 0.9) 100%),
      url("ukigov_assets/images/hero_bg_sp.webp"),
      url("ukigov_assets/images/hero_bg.jpg");
    background-position: 72% center;
  }
  .uki-hero-inner {
    padding: 56px 20px;
  }
  .uki-hero-title {
    font-size: 2.1rem;
    white-space: normal;
    word-break: keep-all;
    max-width: 11em;
    line-height: 1.35;
  }
  .uki-library-grid,
  .uki-rel-archive-grid,
  .uki-gallery-grid-v2 {
    grid-template-columns: 1fr;
  }
  .uki-ledger-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .uki-about-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .uki-parchment-paper {
    padding: 28px 20px;
  }
  .uki-archive-layout { grid-template-columns: 1fr; padding: 0 16px; gap: 18px; }
  .uki-archive-sidebar { position: static; }
  .uki-reader-toc { max-height: 300px; }
  .uki-reading-status { margin-bottom: 10px; }
  .uki-archive-figure { margin: 20px auto; padding: 8px; }
  .uki-archive-figure-caption { align-items: flex-start; flex-direction: column; gap: 4px; }
  .uki-gallery-stage { padding: 32px 16px; }
  .uki-viewer-toolbar { top: 64px; padding: 11px 12px; }
  .uki-viewer-toolbar strong { font-size: 0.95rem; }
  .uki-viewer-thumbs { flex-wrap: nowrap; overflow-x: auto; padding: 12px 0; }
  .uki-viewer-page { padding: 10px; }
  .uki-viewer-page-meta, .uki-viewer-page-nav { font-size: 0.78rem; }
}

/* Print CSS */
@media print {
  body {
    background: #fff !important;
    color: #000 !important;
  }
  .uki-header, .uki-footer, .uki-totop, .uki-skip {
    display: none !important;
  }
  .uki-parchment-paper {
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
  }
}

/* ==========================================================================
   CURRENT ACTIVITIES & PERSPECTIVES (STRICT 3-COL SNS & 4-COL NOTE BOOKSHELF)
   ========================================================================== */
.uki-activities-section {
  padding: 36px 0 28px;
  background: linear-gradient(180deg, rgba(3, 20, 33, 0.7) 0%, rgba(2, 15, 26, 0.95) 100%);
  border-bottom: 1px solid var(--uki-border);
}

/* --- 1. SNS 3-Column Hub Grid --- */
.uki-sns-hub-grid {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: 14px;
  margin-top: 16px;
  margin-bottom: 28px;
}

@media (max-width: 999px) {
  .uki-sns-hub-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}

@media (max-width: 599px) {
  .uki-sns-hub-grid {
    grid-template-columns: 1fr !important;
    gap: 12px;
  }
}

.uki-sns-hub-card {
  background: var(--uki-navy-850);
  border: 1px solid var(--uki-border);
  border-radius: 6px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  box-sizing: border-box;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.uki-sns-hub-card:hover {
  border-color: var(--uki-gold-400);
  transform: translateY(-2px);
}

.uki-sns-hub-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.uki-sns-hub-icon {
  width: 28px;
  height: 28px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.uki-sns-hub-title {
  font-family: var(--font-serif);
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--uki-white);
  margin: 0;
  line-height: 1.2;
}

.uki-sns-hub-handle {
  font-size: 0.74rem;
  color: var(--uki-gold-400);
  margin-top: 1px;
}

.uki-sns-hub-desc {
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--uki-text-muted);
  margin: 0 0 10px;
  flex-grow: 1;
}

.uki-sns-btn-group {
  display: flex;
  gap: 6px;
  margin-top: auto;
}

.uki-sns-hub-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 10px;
  background: rgba(212, 169, 77, 0.12);
  border: 1px solid var(--uki-gold-400);
  border-radius: 4px;
  color: var(--uki-gold-300);
  font-weight: 600;
  font-size: 0.8rem;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
}

.uki-sns-hub-btn:hover {
  background: var(--uki-gold-400);
  color: var(--uki-navy-950);
}

.uki-sns-hub-btn--sub {
  background: var(--uki-navy-900);
  border-color: var(--uki-border);
  color: var(--uki-text-muted);
}

.uki-sns-hub-btn--sub:hover {
  border-color: var(--uki-gold-400);
  color: var(--uki-gold-300);
  background: rgba(212, 169, 77, 0.15);
}

/* Facebook Drawer */
.uki-fb-drawer {
  display: none;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--uki-border-subtle);
  overflow: hidden;
}

.uki-fb-drawer.is-open {
  display: block;
}

/* --- 2. Note Articles: Featured (8-cards 4x2) & Text Archive (2-col) --- */

/* Featured 4-Column Grid (8 articles: 4x2 on PC) */
.uki-note-featured-grid {
  display: grid !important;
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  gap: 12px;
}

@media (max-width: 1024px) {
  .uki-note-featured-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}

@media (max-width: 599px) {
  .uki-note-featured-grid {
    grid-template-columns: 1fr !important;
  }
}

.uki-note-card {
  background: var(--uki-navy-850);
  border: 1px solid var(--uki-border);
  border-radius: 5px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  box-sizing: border-box;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.uki-note-card:hover {
  border-color: var(--uki-gold-400);
  transform: translateY(-2px);
  box-shadow: 0 5px 12px rgba(0, 0, 0, 0.4);
}

.uki-note-thumb-wrap {
  width: 100%;
  aspect-ratio: 1.91 / 1;
  overflow: hidden;
  background: #020b12;
  flex-shrink: 0;
}

.uki-note-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.uki-note-card:hover .uki-note-thumb {
  transform: scale(1.03);
}

.uki-note-body {
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.uki-note-title {
  font-family: var(--font-serif);
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--uki-white);
  line-height: 1.35;
  margin: 0 0 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.uki-note-card:hover .uki-note-title {
  color: var(--uki-gold-300);
}

.uki-note-summary {
  font-size: 0.73rem;
  line-height: 1.35;
  color: var(--uki-text-muted);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Text Archive Grid (PC 2-Column High Density Index) */
.uki-note-text-grid {
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  gap: 8px 12px;
}

@media (max-width: 768px) {
  .uki-note-text-grid {
    grid-template-columns: 1fr !important;
  }
}

.uki-note-text-card {
  background: var(--uki-navy-850);
  border: 1px solid var(--uki-border);
  border-radius: 4px;
  padding: 7px 11px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  box-sizing: border-box;
  transition: transform 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.uki-note-text-card:hover {
  border-color: var(--uki-gold-400);
  background-color: var(--uki-navy-800);
  transform: translateY(-1px);
}

.uki-note-text-title {
  font-family: var(--font-serif);
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--uki-white);
  line-height: 1.35;
  margin: 0 0 2px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.uki-note-text-card:hover .uki-note-text-title {
  color: var(--uki-gold-300);
}

.uki-note-text-summary {
  font-size: 0.72rem;
  line-height: 1.35;
  color: var(--uki-text-muted);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* --- 3. About Section Pillars --- */
.uki-pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

@media (max-width: 860px) {
  .uki-pillars-grid {
    grid-template-columns: 1fr;
  }
}

.uki-pillar-card {
  background: var(--uki-navy-850);
  border: 1px solid var(--uki-border);
  border-radius: 6px;
  padding: 14px 16px;
  box-sizing: border-box;
}

.uki-pillar-num {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--uki-gold-400);
  letter-spacing: 0.1em;
  margin-bottom: 3px;
}

.uki-pillar-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--uki-white);
  margin: 0 0 4px;
}

.uki-pillar-desc {
  font-size: 0.8rem;
  color: var(--uki-text-muted);
  line-height: 1.45;
  margin: 0;
}

/* --- 4. Video Lecture Archive (4-Column Compact YouTube Cards) --- */
.uki-video-grid-4col {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 1024px) {
  .uki-video-grid-4col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 639px) {
  .uki-video-grid-4col {
    grid-template-columns: 1fr;
  }
}

.uki-video-card-v2 {
  background: var(--uki-navy-850);
  border: 1px solid var(--uki-border);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  box-sizing: border-box;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.uki-video-card-v2:hover {
  border-color: var(--uki-gold-400);
  transform: translateY(-2px);
}

.uki-video-thumb-wrap-v2 {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
}

.uki-video-thumb-v2 {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.uki-video-card-v2:hover .uki-video-thumb-v2 {
  transform: scale(1.04);
}

.uki-video-play-badge {
  position: absolute;
  bottom: 6px;
  right: 6px;
  background: rgba(0, 0, 0, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  border-radius: 4px;
  padding: 2px 5px;
  font-size: 0.68rem;
  display: flex;
  align-items: center;
  gap: 3px;
  font-weight: 600;
}

.uki-video-body-v2 {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.uki-video-meta-v2 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  margin-bottom: 4px;
  font-size: 0.72rem;
}

.uki-video-date-v2 {
  color: var(--uki-gold-400);
  font-weight: 600;
}

.uki-video-speaker-v2 {
  color: var(--uki-text-muted);
  background: var(--uki-navy-900);
  padding: 2px 5px;
  border-radius: 3px;
  border: 1px solid var(--uki-border-subtle);
}

.uki-video-title-v2 {
  font-family: var(--font-serif);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--uki-white);
  line-height: 1.35;
  margin: 0 0 4px;
}

.uki-video-desc-v2 {
  font-size: 0.76rem;
  line-height: 1.4;
  color: var(--uki-text-muted);
  margin: 0 0 10px;
  flex-grow: 1;
}

.uki-video-btn-group-v2 {
  display: flex;
  gap: 6px;
  margin-top: auto;
}

.uki-video-action-btn-v2 {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 5px 8px;
  background: rgba(212, 169, 77, 0.12);
  border: 1px solid var(--uki-gold-400);
  border-radius: 4px;
  color: var(--uki-gold-300);
  font-weight: 600;
  font-size: 0.76rem;
  text-decoration: none;
  transition: all 0.2s ease;
}

.uki-video-action-btn-v2:hover {
  background: var(--uki-gold-400);
  color: var(--uki-navy-950);
}

/* --- 5. Publications Section (2-Column Compact Book Cards) --- */
.uki-books-grid-2col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 768px) {
  .uki-books-grid-2col {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

.uki-book-card-v2 {
  background: var(--uki-navy-850);
  border: 1px solid var(--uki-border);
  border-radius: 8px;
  padding: 16px 18px;
  display: flex;
  gap: 16px;
  align-items: center;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  box-sizing: border-box;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.uki-book-card-v2:hover {
  border-color: var(--uki-gold-400);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.4);
}

.uki-book-cover-wrap-v2 {
  width: 80px;
  flex-shrink: 0;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.6);
  border: 1px solid var(--uki-border-subtle);
  background: #000;
}

.uki-book-cover-v2 {
  width: 100%;
  height: auto;
  display: block;
}

.uki-book-body-v2 {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.uki-book-format-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--uki-gold-400);
  background: rgba(212, 169, 77, 0.12);
  border: 1px solid var(--uki-border-subtle);
  padding: 2px 6px;
  border-radius: 3px;
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 4px;
}

.uki-book-title-v2 {
  font-family: var(--font-serif);
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--uki-white);
  line-height: 1.35;
  margin: 0 0 4px;
}

.uki-book-desc-v2 {
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--uki-text-muted);
  margin: 0 0 8px;
}

.uki-book-action-cta-v2 {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--uki-gold-300);
  margin-top: auto;
}