/* ════════════════════════════════════════════════════════
   さわかみアーカイブス — ライトボックス（フロント）
   - 複数記事スライド対応
   - ナビボタン + ドット
════════════════════════════════════════════════════════ */

#sa-lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 8000;
  background: rgba(10, 8, 5, 0.88);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

#sa-lightbox-overlay.open {
  display: flex;
  animation: lbFadeIn .3s ease;
}

@keyframes lbFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

#sa-lightbox-box {
  position: relative;
  background: var(--sepia-dark, #2a2218);
  border: 1px solid rgba(212, 168, 71, .25);
  width: min(720px, 96vw);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  animation: lbSlideIn .3s ease;
}

@keyframes lbSlideIn {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

#sa-lightbox-close {
  position: absolute;
  top: -.5rem;
  right: -.5rem;
  transform: translate(50%, -50%);
  width: 32px;
  height: 32px;
  background: var(--sepia-dark, #2a2218);
  border: 1px solid rgba(212, 168, 71, .35);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .2s;
  z-index: 2;
}

#sa-lightbox-close:hover { border-color: rgba(212, 168, 71, .8); }
#sa-lightbox-close svg {
  width: 13px;
  height: 13px;
  stroke: rgba(212, 168, 71, .8);
  fill: none;
  stroke-width: 1.8;
}

/* ── スライド本体 ─────────────────────────────────── */
.sa-lb-slides {
  flex: 1;
  overflow-y: auto;
  position: relative;
}

.sa-lb-slide {
  padding: 2rem 2.4rem;
  animation: lbSlideFade .35s ease;
}

@keyframes lbSlideFade {
  from { opacity: 0; transform: translateX(8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.sa-lb-body {
  color: var(--cream, #faf6ed);
  font-family: 'Noto Serif JP', serif;
  font-size: .92rem;
  line-height: 1.9;
}

/* WYSIWYG生成HTML */
.sa-lb-body h1,
.sa-lb-body h2,
.sa-lb-body h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  color: var(--cream, #faf6ed);
  margin: 1rem 0 .5rem;
  line-height: 1.3;
}
.sa-lb-body h1 { font-size: clamp(1.4rem, 3.5vw, 2rem); }
.sa-lb-body h2 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }
.sa-lb-body h3 { font-size: 1.05rem; }
.sa-lb-body p  { margin-bottom: .7rem; }
.sa-lb-body a  { color: var(--amber, #d4a847); text-decoration: underline; }
.sa-lb-body a:hover { color: var(--amber-light, #f5c563); }
.sa-lb-body strong { color: var(--amber-light, #f5c563); font-weight: 400; }
.sa-lb-body em { font-style: italic; }
.sa-lb-body ul,
.sa-lb-body ol { padding-left: 1.4rem; margin-bottom: .7rem; }
.sa-lb-body li { margin-bottom: .25rem; }
.sa-lb-body img { max-width: 100%; height: auto; display: block; margin: 1rem 0; }
.sa-lb-body hr {
  border: none;
  border-top: 1px solid rgba(212, 168, 71, .2);
  margin: 1.2rem 0;
}

/* ── スライドナビ（前/次ボタン） ─────────────────────── */
.sa-lb-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  background: rgba(10, 8, 5, .55);
  border: 1px solid rgba(212, 168, 71, .25);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, border-color .2s;
  z-index: 2;
}
.sa-lb-nav:hover {
  background: rgba(10, 8, 5, .85);
  border-color: rgba(212, 168, 71, .6);
}
.sa-lb-nav.prev { left: .5rem; }
.sa-lb-nav.next { right: .5rem; }
.sa-lb-nav svg {
  width: 14px;
  height: 14px;
  stroke: var(--amber, #d4a847);
  fill: none;
  stroke-width: 1.8;
}

/* ── ドットインジケータ ───────────────────────────── */
.sa-lb-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: .8rem 0 .2rem;
  flex-shrink: 0;
}
.sa-lb-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid rgba(212, 168, 71, .4);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: all .2s;
}
.sa-lb-dot:hover { border-color: rgba(212, 168, 71, .8); }
.sa-lb-dot.active {
  background: var(--amber, #d4a847);
  border-color: var(--amber, #d4a847);
}

/* ── フッター ─────────────────────────────────────── */
#sa-lightbox-footer {
  padding: .9rem 2.2rem;
  border-top: 1px solid rgba(212, 168, 71, .12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-shrink: 0;
}

#sa-lightbox-noshow {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-family: 'Space Mono', monospace;
  font-size: .58rem;
  letter-spacing: .1em;
  color: var(--text-muted, #a89680);
  cursor: pointer;
}

#sa-lightbox-noshow input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--amber, #d4a847);
  cursor: pointer;
  flex-shrink: 0;
}

#sa-lightbox-ok {
  font-family: 'Space Mono', monospace;
  font-size: .58rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--sepia-dark, #2a2218);
  background: var(--amber, #d4a847);
  border: none;
  padding: .55rem 1.6rem;
  cursor: pointer;
  transition: background .25s;
  white-space: nowrap;
}

#sa-lightbox-ok:hover { background: var(--amber-light, #f5c563); }

@media (max-width: 480px) {
  .sa-lb-slide { padding: 1.4rem 1.2rem; }
  #sa-lightbox-footer {
    flex-direction: column;
    align-items: flex-start;
    padding: .8rem 1.2rem;
  }
  #sa-lightbox-ok { width: 100%; text-align: center; }
  .sa-lb-nav { width: 30px; height: 30px; }
}