/* ===== 記事ページ共通スタイル ===== */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;1,300&family=Noto+Serif+JP:wght@200;300;400&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --cream: #f8f4ef;
  --dark: #1a1614;
  --brown: #6b4f3a;
  --gold: #c9a96e;
  --gray: #7a7068;
  --light-gray: #e8e2da;
  --font-en: 'Cormorant Garamond', serif;
  --font-ja: 'Noto Serif JP', serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--cream);
  color: var(--dark);
  font-family: var(--font-ja);
  font-weight: 300;
  line-height: 1.9;
}

img { display: block; width: 100%; object-fit: cover; }
a { text-decoration: none; color: inherit; }

/* ヘッダー */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  border-bottom: 1px solid var(--light-gray);
}

.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}

.logo-main {
  font-family: var(--font-en);
  font-size: 1.3rem;
  font-weight: 300;
  letter-spacing: 0.35em;
}

.logo-sub {
  font-family: var(--font-en);
  font-size: 0.55rem;
  letter-spacing: 0.6em;
  opacity: 0.5;
  margin-top: 0.2rem;
}

.back-link {
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray);
  transition: color 0.2s;
}

.back-link:hover { color: var(--gold); }

/* 記事ヒーロー */
.article-hero {
  height: 55vh;
  min-height: 380px;
  overflow: hidden;
}

.article-hero img {
  height: 100%;
  filter: brightness(0.85);
}

/* 記事本文エリア */
.article-body {
  max-width: 740px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.article-tag {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 0.3rem 0.8rem;
}

.article-date {
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--gray);
}

.article-title {
  font-family: var(--font-ja);
  font-weight: 300;
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.article-lead {
  font-size: 1rem;
  color: var(--brown);
  line-height: 2;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--light-gray);
}

.article-content h2 {
  font-family: var(--font-ja);
  font-weight: 300;
  font-size: 1.3rem;
  margin: 3rem 0 1.2rem;
  padding-left: 1rem;
  border-left: 2px solid var(--gold);
}

.article-content p {
  font-size: 0.92rem;
  color: var(--gray);
  line-height: 2.1;
  margin-bottom: 1.5rem;
}

.article-content .highlight {
  background: var(--light-gray);
  padding: 1.5rem 2rem;
  margin: 2rem 0;
  border-left: 3px solid var(--gold);
  font-size: 0.9rem;
  color: var(--brown);
  line-height: 2;
}

.article-img-block {
  margin: 2.5rem 0;
  overflow: hidden;
}

.article-img-block img {
  height: 420px;
}

.article-img-caption {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--gray);
  text-align: center;
  margin-top: 0.75rem;
}

/* 関連記事 */
.related {
  background: var(--dark);
  color: var(--cream);
  padding: 5rem 3rem;
}

.related-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.related h2 {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 2.5rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.related-card {
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(248,244,239,0.1);
  transition: border-color 0.3s;
}

.related-card:hover { border-color: var(--gold); }

.related-card-img { height: 180px; overflow: hidden; }
.related-card-img img { height: 100%; transition: transform 0.5s; }
.related-card:hover .related-card-img img { transform: scale(1.05); }

.related-card-body { padding: 1.2rem; }

.related-card-body .article-tag {
  display: inline-block;
  margin-bottom: 0.6rem;
}

.related-card-body h3 {
  font-family: var(--font-ja);
  font-weight: 300;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--cream);
}

/* フッター */
.footer {
  background: var(--dark);
  color: rgba(248,244,239,0.4);
  padding: 2rem 3rem;
  text-align: center;
  border-top: 1px solid rgba(248,244,239,0.08);
}

.footer p {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
}

@media (max-width: 768px) {
  .header { padding: 1.2rem 1.5rem; }
  .article-body { padding: 2.5rem 1.5rem 4rem; }
  .related-grid { grid-template-columns: 1fr; }
  .article-img-block img { height: 260px; }
}