/* =============================================
   News Article
   SP base（〜767px）
   ============================================= */

/* ---- ヒーロー ---- */
.article-hero {
  max-width: 860px;
  margin: 0 auto;
  padding: 120px 6vw 48px;
  background: var(--white);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.article-date {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.article-category {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  padding-left: 16px;
  border-left: 1px solid var(--light-gray);
}

.article-title {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 300;
  font-size: 1.4rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--warm-black);
}

/* ---- 画像あり hero ---- */
.article-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.article-hero--has-image {
  position: relative;
  overflow: hidden;
}

.article-hero--has-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6), rgba(0,0,0,0.05) 60%);
  z-index: 1;
}

.article-hero--has-image .article-meta,
.article-hero--has-image .article-title {
  position: relative;
  z-index: 2;
  color: #fff;
}

.article-hero--has-image .article-date,
.article-hero--has-image .article-category {
  color: rgba(255,255,255,0.7);
}

/* ---- 本文 ---- */
.article-body {
  padding: 10vw 6vw 16vw;
  border-top: 1px solid var(--light-gray);
}

.article-body p {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 300;
  line-height: 2.2;
  letter-spacing: 0.03em;
  color: var(--warm-black);
  margin-bottom: 2em;
}

.article-body h2 {
  font-family: "Inter", sans-serif;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 4em 0 1.5em;
}

.article-body h3 {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--warm-black);
  margin: 2.5em 0 1em;
}

.article-body ul,
.article-body ol {
  list-style: none;
  padding: 0;
  margin-bottom: 2em;
}

.article-body li {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 300;
  line-height: 2.2;
  letter-spacing: 0.03em;
  color: var(--warm-black);
  padding-left: 1.2em;
  position: relative;
}

.article-body li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--muted);
  font-size: 10px;
  top: 0.7em;
  line-height: 1;
}

.article-body img {
  width: 100%;
  height: auto;
  display: block;
  margin: 4em 0;
}

.article-body blockquote {
  border-left: 2px solid var(--light-gray);
  padding-left: 24px;
  margin: 3em 0;
}

.article-body blockquote p {
  color: var(--muted);
  font-size: 13px;
  line-height: 2;
  margin-bottom: 0;
  border-bottom: none;
  padding-bottom: 0;
}

.article-body a {
  color: inherit;
  border-bottom: 1px solid var(--light-gray);
  transition: border-color 0.3s ease;
}

.article-body a:hover {
  border-color: var(--warm-black);
}

/* ---- 戻るナビ ---- */
.article-nav {
  padding: 0 6vw 16vw;
}

.article-nav-back {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: "Inter", sans-serif;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s ease, gap 0.3s ease;
}

.article-nav-back::before {
  content: "←";
  font-size: 11px;
  transition: transform 0.3s ease;
}

.article-nav-back:hover {
  color: var(--warm-black);
  gap: 18px;
}

.article-nav-back:hover::before {
  transform: translateX(-4px);
}

/* =============================================
   PC / Tablet: min-width: 1024px 以上
   ============================================= */
@media (min-width: 1024px) {
  .article-hero {
    padding: 140px 6vw 56px;
  }

  .article-title {
    font-size: 1.4rem;
  }

  .article-body {
    max-width: 860px;
    margin: 0 auto;
    padding: 80px 6vw 120px;
  }

  .article-body p,
  .article-body li {
    font-size: 15px;
  }

  .article-nav {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 6vw 120px;
  }
}