/* ============================================================
   Monodsukuri Media — 記事・アーカイブ
   ============================================================ */

/* ---- Category Filter --------------------------------------- */
.news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: var(--sp-lg);
  justify-content: center;
}

.news-filter__btn {
  display: inline-block;
  padding: .4em 1.3em;
  font-size: .85rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-sub);
  transition: all var(--transition);
}

.news-filter__btn:hover,
.news-filter__btn.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ---- Card Grid ---------------------------------------------- */
.news-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
}

.news-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.news-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.news-card__thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-bg-light);
}

.news-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.news-card:hover .news-card__thumb img { transform: scale(1.05); }

.news-card__body { padding: var(--sp-sm) 1.4rem 1.4rem; }

.news-card__meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .5em;
}

.news-card__date {
  font-family: var(--font-en);
  font-size: .78rem;
  color: var(--color-text-sub);
}

.news-card__title {
  font-size: .98rem;
  font-weight: 700;
  line-height: 1.6;
}

/* ---- Single Article ----------------------------------------- */
.single-article__body { margin-top: var(--sp-sm); }

/* 記事末尾CTA */
.article-cta {
  margin-top: var(--sp-lg);
  padding: var(--sp-md);
  background: var(--color-bg-light);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  text-align: center;
}

.article-cta__title {
  font-size: 1.1rem;
  font-weight: 900;
  margin-bottom: .5em;
}

.article-cta__body {
  font-size: .92rem;
  color: var(--color-text-sub);
}

.article-cta__actions {
  display: flex;
  justify-content: center;
  gap: var(--sp-sm);
  flex-wrap: wrap;
  margin-top: var(--sp-sm);
}

/* 前後の記事 */
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-md);
  margin-top: var(--sp-lg);
  padding-top: var(--sp-md);
  border-top: 1px solid var(--color-border-light);
  font-size: .9rem;
}

.post-nav__next { text-align: right; }

.post-nav__label {
  display: block;
  font-size: .75rem;
  color: var(--color-text-sub);
  margin-bottom: .4em;
}

.post-nav a:hover { color: var(--color-primary); text-decoration: underline; }

.post-back { margin-top: var(--sp-lg); }

/* ---- Responsive --------------------------------------------- */
@media (max-width: 960px) {
  .news-card-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .news-card-grid { grid-template-columns: 1fr; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav__next { text-align: left; }
}

/* ---- 出典ボックス（キュレーション記事） ---- */
.source-box {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: 2em 0 0;
  padding: 1rem 1.25rem;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: .9rem;
}
.source-box__label {
  flex-shrink: 0;
  font-family: var(--font-en);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: #fff;
  background: var(--color-accent-blue);
  padding: .25em .8em;
  border-radius: 999px;
}
.source-box a {
  color: var(--color-accent-blue);
  text-decoration: underline;
  word-break: break-word;
}
.mono-note {
  margin-top: 1.5em;
  padding: 1rem 1.25rem;
  background: var(--color-bg-warm);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .92rem;
}

/* ---- 広告スロット ---- */
.ad-slot {
  display: block;
  margin: var(--sp-md) auto;
  max-width: 760px;
  text-align: center;
}
.ad-slot__label {
  display: block;
  font-size: .68rem;
  letter-spacing: .12em;
  color: var(--color-text-sub);
  text-transform: uppercase;
  margin-bottom: .4em;
}
.ad-slot__body { overflow: hidden; }
.ad-slot--placeholder {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem 1rem;
  color: var(--color-text-sub);
  font-size: .8rem;
  background: var(--color-bg-light);
}
.ad-slot-wrap { margin-block: var(--sp-lg); }