/* ============================================================
   InCape — Blog / Journal
   main.css の変数（--gold, --font-jp 等）を前提とする
   ============================================================ */

/* ---- 共通ユーティリティ ---- */
.btn-block { width: 100%; justify-content: center; }
.screen-reader-text {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---- ブログ導入文 ---- */
.blog-intro { padding: 72px 0 0; max-width: 720px; }
.blog-intro-lead {
  font-family: var(--font-jp);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 2.1;
  color: var(--text-mid);
  letter-spacing: .03em;
}

/* ---- カテゴリ絞り込み ---- */
.blog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 44px 0 56px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.blog-filter-item {
  --accent: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--text-mid);
  transition: all var(--transition);
}
.blog-filter-item:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.blog-filter-item.is-active {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 500;
}
.blog-filter-count {
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: .65;
}

/* ---- 記事グリッド ---- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 32px;
  padding-bottom: 88px;
}
.post-grid--3 { grid-template-columns: repeat(3, 1fr); gap: 36px 28px; }

.post-card { --accent: var(--gold); }
.post-card-link { display: block; height: 100%; }

.post-card-media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(140deg,
      color-mix(in srgb, var(--accent) 22%, var(--bg-3)) 0%,
      var(--bg-2) 70%);
  border: 1px solid var(--border);
}
.post-card-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s cubic-bezier(.2,.6,.2,1);
}
.post-card-link:hover .post-card-media img { transform: scale(1.06); }

.post-card-media-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-jp);
  font-size: clamp(56px, 7vw, 92px);
  font-weight: 600;
  color: color-mix(in srgb, var(--accent) 30%, transparent);
  user-select: none;
}

.post-card-cat {
  position: absolute;
  left: 14px; top: 14px;
  padding: 5px 12px;
  font-size: 11px;
  letter-spacing: .1em;
  border-radius: 100px;
  color: var(--white);
  background: color-mix(in srgb, var(--accent) 82%, #000);
  backdrop-filter: blur(6px);
}
.post-card-badge {
  position: absolute;
  right: 14px; top: 14px;
  padding: 5px 12px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  letter-spacing: .16em;
  border-radius: 100px;
  color: var(--gold);
  border: 1px solid var(--gold-line);
  background: rgba(12,15,24,.72);
  backdrop-filter: blur(6px);
}

.post-card-body { padding: 22px 2px 0; }
.post-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.post-card-dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--gold);
  opacity: .6;
  flex-shrink: 0;
}
.post-card-title {
  font-family: var(--font-jp);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.65;
  letter-spacing: .02em;
  color: var(--text);
  margin-bottom: 12px;
  transition: color var(--transition);
}
.post-card-link:hover .post-card-title { color: var(--gold-light); }
.post-card-excerpt {
  font-size: 14px;
  line-height: 1.95;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.post-card-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  letter-spacing: .1em;
  color: var(--gold);
}
.post-card-more svg { transition: transform var(--transition); }
.post-card-link:hover .post-card-more svg { transform: translateX(4px); }

/* フィーチャー記事：1段目を全幅で */
.post-card--featured { grid-column: 1 / -1; }
.post-card--featured .post-card-link {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 44px;
  align-items: center;
}
.post-card--featured .post-card-media { aspect-ratio: 16 / 10; }
.post-card--featured .post-card-title {
  font-size: clamp(24px, 2.6vw, 32px);
  line-height: 1.55;
}
.post-card--featured .post-card-excerpt { font-size: 15px; }

/* ---- 記事が無いとき ---- */
.blog-empty {
  text-align: center;
  padding: 100px 0 120px;
}
.blog-empty-mark {
  font-family: var(--font-jp);
  font-size: 96px;
  color: rgba(255,255,255,.05);
  line-height: 1;
  margin-bottom: 24px;
}
.blog-empty h2 {
  font-family: var(--font-jp);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
}
.blog-empty p { color: var(--text-muted); margin-bottom: 32px; }

/* ---- ページ送り ---- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 0 0 100px;
}
.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-mid);
  transition: all var(--transition);
}
.pagination a.page-numbers:hover {
  border-color: var(--gold-line);
  color: var(--gold);
}
.pagination .page-numbers.current {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--bg);
  font-weight: 600;
}
.pagination .page-numbers.dots { border-color: transparent; }

/* ============================================================
   記事詳細
   ============================================================ */

.reading-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: transparent;
  z-index: 200;
}
#reading-progress-bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transition: width .1s linear;
}

.single-article { --accent: var(--gold); }

.single-hero {
  position: relative;
  padding: calc(var(--header-h) + 80px) 0 64px;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.single-hero.has-thumb { padding-bottom: 72px; }
.single-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.single-hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .28;
  filter: saturate(.7);
}
.single-hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(12,15,24,.55) 0%, rgba(12,15,24,.92) 72%, var(--bg) 100%),
    radial-gradient(ellipse at 75% 40%, color-mix(in srgb, var(--accent) 10%, transparent) 0%, transparent 62%);
}
.single-hero-inner { position: relative; z-index: 2; max-width: 900px; }
.single-hero .breadcrumb { margin-bottom: 26px; }

.single-cat-badge {
  display: inline-block;
  padding: 6px 16px;
  margin-bottom: 22px;
  font-size: 12px;
  letter-spacing: .12em;
  border-radius: 100px;
  color: var(--white);
  background: color-mix(in srgb, var(--accent) 80%, #000);
  transition: opacity var(--transition);
}
.single-cat-badge:hover { opacity: .82; }

.single-title {
  font-family: var(--font-jp);
  font-size: clamp(28px, 4.2vw, 46px);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--text);
  margin-bottom: 24px;
}
.single-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--text-muted);
}

/* ---- 本文レイアウト ---- */
.single-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 72px;
  padding: 72px 0 40px;
  align-items: start;
}
.single-body { min-width: 0; }

/* ---- 本文タイポグラフィ ---- */
.post-content {
  font-size: 16px;
  line-height: 2.15;
  color: var(--text-mid);
  letter-spacing: .02em;
}
.post-content > * + * { margin-top: 1.6em; }
.post-content h2 {
  font-family: var(--font-jp);
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
  margin-top: 2.8em;
  padding-bottom: .6em;
  border-bottom: 1px solid var(--border);
  position: relative;
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.post-content h2::after {
  content: '';
  position: absolute;
  left: 0; bottom: -1px;
  width: 56px; height: 1px;
  background: var(--gold);
}
.post-content h3 {
  font-family: var(--font-jp);
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 600;
  color: var(--text);
  margin-top: 2.4em;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.post-content h4 {
  font-family: var(--font-jp);
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-top: 2em;
}
.post-content p { margin-bottom: 0; }
.post-content a {
  color: var(--gold-light);
  border-bottom: 1px solid var(--gold-dim);
  transition: border-color var(--transition);
}
.post-content a:hover { border-bottom-color: var(--gold); }
.post-content strong { color: var(--text); font-weight: 600; }
.post-content ul, .post-content ol { padding-left: 1.4em; }
.post-content ul { list-style: none; padding-left: 0; }
.post-content ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: .7em;
}
.post-content ul li::before {
  content: '';
  position: absolute;
  left: 4px; top: .95em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold);
}
.post-content ol { list-style: decimal; }
.post-content ol li { margin-bottom: .7em; padding-left: 4px; }
.post-content ol li::marker { color: var(--gold); font-family: var(--font-mono); font-size: 14px; }

.post-content blockquote {
  padding: 24px 28px;
  border-left: 2px solid var(--gold);
  background: var(--bg-2);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-jp);
  color: var(--text);
}
.post-content blockquote p + p { margin-top: 1em; }

.post-content img,
.post-content .wp-block-image img { border-radius: var(--radius-lg); }
.post-content figure { margin: 2.4em 0; }
.post-content figcaption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

.post-content code {
  font-family: var(--font-mono);
  font-size: .88em;
  padding: 2px 7px;
  border-radius: 3px;
  background: var(--bg-3);
  color: var(--gold-light);
}
.post-content pre {
  padding: 22px 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-2);
  border: 1px solid var(--border);
  overflow-x: auto;
}
.post-content pre code { background: none; padding: 0; color: var(--text-mid); }

.post-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  display: block;
  overflow-x: auto;
}
.post-content th, .post-content td {
  padding: 13px 16px;
  border: 1px solid var(--border);
  text-align: left;
}
.post-content th {
  background: var(--bg-2);
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
}
.post-content hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 3em 0;
}

/* ---- タグ ---- */
.single-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.single-tag {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 12px;
  color: var(--text-muted);
  transition: all var(--transition);
}
.single-tag:hover { color: var(--gold); border-color: var(--gold-line); }

/* ---- シェア ---- */
.single-share {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.single-share-label {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  letter-spacing: .12em;
  color: var(--gold);
}
.single-share-btns { display: flex; gap: 10px; }
.share-btn {
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  transition: all var(--transition);
}
.share-btn:hover {
  color: var(--gold);
  border-color: var(--gold-line);
  background: var(--gold-dim);
  transform: translateY(-2px);
}
.share-btn.is-copied {
  color: var(--bg);
  background: var(--gold);
  border-color: var(--gold);
}

/* ---- 前後記事 ---- */
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 48px;
}
.post-nav-item {
  padding: 22px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}
.post-nav-item:hover { border-color: var(--gold-line); background: var(--bg-2); }
.post-nav-next { text-align: right; }
.post-nav-label {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
  margin-bottom: 8px;
}
.post-nav-title {
  display: block;
  font-family: var(--font-jp);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-mid);
}

/* ---- サイドバー ---- */
.single-side-sticky {
  position: sticky;
  top: calc(var(--header-h) + 32px);
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.toc {
  padding: 24px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-2);
}
.toc-heading {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.toc-list { display: flex; flex-direction: column; gap: 2px; max-height: 52vh; overflow-y: auto; }
.toc-list a {
  display: block;
  padding: 7px 0 7px 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-muted);
  border-left: 2px solid transparent;
  transition: all var(--transition);
}
.toc-list a:hover { color: var(--text); }
.toc-list a.is-current {
  color: var(--gold);
  border-left-color: var(--gold);
}
.toc-list .toc-h3 a { padding-left: 26px; font-size: 12.5px; }

.side-cta {
  padding: 26px 22px;
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--gold-dim) 0%, transparent 70%), var(--bg-2);
}
.side-cta-eyebrow {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.side-cta-text {
  font-family: var(--font-jp);
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
  margin-bottom: 18px;
}

/* ---- 関連記事 ---- */
.related-section {
  padding: 72px 0 0;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}
.related-section .section-title { margin-bottom: 44px; }

/* ============================================================
   検索 / 404
   ============================================================ */
.search-header {
  padding: 64px 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.search-summary { font-size: 15px; color: var(--text-mid); }
.search-summary strong { color: var(--gold); font-weight: 600; }
.search-count { font-family: var(--font-mono); color: var(--text-muted); font-size: 13px; }

.search-form {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 100px;
  overflow: hidden;
  background: var(--bg-2);
  min-width: 280px;
  transition: border-color var(--transition);
}
.search-form:focus-within { border-color: var(--gold-line); }
.search-field {
  flex: 1;
  padding: 12px 20px;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
}
.search-field::placeholder { color: var(--text-muted); }
.search-submit {
  padding: 0 20px;
  height: 44px;
  color: var(--text-muted);
  transition: color var(--transition);
}
.search-submit:hover { color: var(--gold); }

.error-404 {
  position: relative;
  padding: calc(var(--header-h) + 100px) 0 120px;
  overflow: hidden;
}
.error-404-bg {
  position: absolute;
  right: -40px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: clamp(180px, 30vw, 420px);
  font-weight: 700;
  color: rgba(255,255,255,.022);
  line-height: 1;
  user-select: none;
  pointer-events: none;
}
.error-404-inner { position: relative; z-index: 1; max-width: 640px; }
.error-404 h1 {
  font-family: var(--font-jp);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 600;
  line-height: 1.55;
  margin-bottom: 24px;
}
.error-404-lead { color: var(--text-muted); line-height: 2; margin-bottom: 36px; }
.error-404-search { margin-bottom: 36px; max-width: 420px; }
.error-404-links { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 64px; }
.error-404-recent { padding-top: 36px; border-top: 1px solid var(--border); }
.error-404-recent-label {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.error-404-recent li + li { margin-top: 4px; }
.error-404-recent a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}
.error-404-recent a:hover { color: var(--gold); }
.error-404-recent time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  flex-shrink: 0;
}
.error-404-recent span { font-family: var(--font-jp); font-size: 15px; }

/* ============================================================
   ホームの最新記事セクション
   ============================================================ */
.section-journal { padding: 100px 0; border-top: 1px solid var(--border); }
.journal-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 52px;
  flex-wrap: wrap;
}
.journal-header-text { max-width: 620px; }
.journal-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 15px;
  letter-spacing: .12em;
  color: var(--gold);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--gold-line);
  transition: gap var(--transition);
}
.journal-more:hover { gap: 16px; }
.section-journal .post-grid { padding-bottom: 0; }

/* ============================================================
   レスポンシブ
   ============================================================ */
@media (max-width: 1100px) {
  .single-layout { grid-template-columns: 1fr; gap: 48px; }
  .single-side-sticky { position: static; }
  .toc { display: none; }
  .side-cta { max-width: 420px; }
}

@media (max-width: 960px) {
  .post-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .post-card--featured .post-card-link { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 640px) {
  .post-grid,
  .post-grid--3 { grid-template-columns: 1fr; gap: 36px; }
  .blog-intro { padding-top: 52px; }
  .blog-filter { margin: 32px 0 40px; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav-next { text-align: left; }
  .search-header { flex-direction: column; align-items: flex-start; }
  .search-form { width: 100%; min-width: 0; }
  .single-share { flex-direction: column; align-items: flex-start; gap: 14px; }
  .journal-header { flex-direction: column; align-items: flex-start; }
}

/* ---- 動きを減らす設定への配慮 ---- */
@media (prefers-reduced-motion: reduce) {
  .post-card-media img,
  .post-card-more svg,
  .journal-more { transition: none; }
  #reading-progress-bar { transition: none; }
}

/* 既定画像を敷いた上に文字を重ねる（アイキャッチ未設定時） */
.post-card-media img + .post-card-media-fallback {
  background: linear-gradient(160deg, color-mix(in srgb, var(--accent) 24%, transparent) 0%, rgba(12,15,24,.82) 72%);
  color: color-mix(in srgb, var(--accent) 52%, transparent);
}