:root {
  --bg: #faf6f1;
  --paper: #ffffff;
  --ink: #2b2530;
  --sub: #6f6672;
  --line: #e7ded4;
  --accent: #b0344f;
  --accent-soft: #f7e6ea;
  --navy: #2a2f4a;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Sans", "Yu Gothic", "YuGothic", "Meiryo", sans-serif;
  font-size: 17px;
  line-height: 1.9;
}

a { color: var(--accent); }

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ヘッダー */
.site-header {
  background: var(--navy);
  color: #fff;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.site-title {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
  text-decoration: none;
}
.site-title small {
  display: block;
  font-family: "Hiragino Sans", "Yu Gothic", sans-serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  opacity: 0.75;
}
.site-nav a {
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  margin-left: 18px;
  opacity: 0.9;
}
.site-nav a:first-child { margin-left: 0; }
.site-nav a:hover { opacity: 1; text-decoration: underline; }

/* トップの見出し部分 */
.hero {
  background: linear-gradient(135deg, #3a2740 0%, #7a2a45 100%);
  color: #fff;
  padding: 56px 0 52px;
  text-align: center;
}
.hero h1 {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  font-size: clamp(28px, 6vw, 42px);
  line-height: 1.4;
  margin: 0 0 14px;
  letter-spacing: 0.06em;
}
.hero p {
  margin: 0 auto;
  max-width: 34em;
  font-size: 15px;
  opacity: 0.92;
}
.btn {
  display: inline-block;
  margin-top: 24px;
  padding: 10px 26px;
  border-radius: 999px;
  background: #fff;
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
}
.btn:hover { background: var(--accent-soft); }

/* セクション */
.section { padding: 44px 0 8px; }
.section h2 {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  font-size: 22px;
  margin: 0 0 20px;
  padding-left: 12px;
  border-left: 4px solid var(--accent);
  line-height: 1.4;
}

/* 記事カード */
.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.post-card {
  display: block;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 22px;
  color: inherit;
  text-decoration: none;
  transition: box-shadow 0.15s, transform 0.15s;
}
a.post-card:hover {
  box-shadow: 0 6px 18px rgba(60, 30, 40, 0.1);
  transform: translateY(-2px);
}
.post-card .meta {
  font-size: 13px;
  color: var(--sub);
}
.post-card h3 {
  margin: 4px 0 6px;
  font-size: 19px;
  line-height: 1.5;
}
.post-card p {
  margin: 0;
  font-size: 15px;
  color: var(--sub);
  line-height: 1.7;
}
.post-card.soon { opacity: 0.6; }
.tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  border-radius: 4px;
  padding: 1px 8px;
  margin-right: 8px;
}

/* 案内人 */
.guides {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.guides li {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  font-weight: 700;
}
.guides .avatar {
  width: 64px;
  height: 64px;
  margin: 0 auto 8px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  overflow: hidden;
}
.guides .avatar img { width: 100%; height: 100%; object-fit: cover; }

/* YouTube への案内 */
.cta {
  margin: 44px 0 0;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 26px 22px;
  text-align: center;
}
.cta p { margin: 0 0 4px; }
.cta .btn {
  background: var(--accent);
  color: #fff;
  margin-top: 14px;
}
.cta .btn:hover { background: #962a42; }

/* 記事ページ */
.article {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  margin: 32px 0 0;
  padding: 34px 28px 30px;
}
.article .meta { font-size: 13px; color: var(--sub); }
.article h1 {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  font-size: clamp(24px, 5vw, 32px);
  line-height: 1.5;
  margin: 8px 0 20px;
}
.article h2 {
  font-size: 21px;
  line-height: 1.5;
  margin: 44px 0 14px;
  padding: 10px 14px;
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 0 6px 6px 0;
}
.article p { margin: 0 0 1.3em; }
.article .lead { color: var(--sub); }
.article ul { padding-left: 1.3em; margin: 0 0 1.3em; }
.article li { margin-bottom: 0.4em; }

.toc {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 15px;
}
.toc strong { display: block; margin-bottom: 4px; }
.toc ol { margin: 0; padding-left: 1.4em; }
.toc a { text-decoration: none; }
.toc a:hover { text-decoration: underline; }

/* キャラクターのひとこと */
.voice {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin: 22px 0;
}
.voice .who {
  flex: 0 0 56px;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.4;
}
.voice .who span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-soft);
  font-size: 22px;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  margin-bottom: 2px;
  overflow: hidden;
}
.voice .who img { width: 100%; height: 100%; object-fit: cover; }
.voice .say {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px 14px 14px 14px;
  padding: 12px 16px;
  font-size: 16px;
  line-height: 1.8;
}

/* 広告の置き場所（AdSense 審査が通ったら中身を入れる） */
.ad-slot {
  margin: 32px 0;
  min-height: 0;
}

/* あわせて読みたい */
.related {
  margin: 32px 0 0;
  padding: 16px 20px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 15px;
}
.related strong { display: block; margin-bottom: 4px; }
.related ul { margin: 0; padding-left: 1.3em; }
.related li { margin-bottom: 0.2em; }

/* 運営者情報の表 */
.info {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.3em;
  font-size: 16px;
}
.info th, .info td {
  border: 1px solid var(--line);
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
}
.info th {
  width: 7em;
  background: var(--bg);
  font-weight: 700;
  white-space: nowrap;
}

.back { display: inline-block; margin: 24px 0 0; font-size: 15px; }

/* フッター */
.site-footer {
  margin-top: 56px;
  padding: 26px 0 34px;
  border-top: 1px solid var(--line);
  text-align: center;
  font-size: 13px;
  color: var(--sub);
}
.site-footer a { color: var(--sub); margin: 0 8px; display: inline-block; }
.site-footer nav { margin-bottom: 8px; }

@media (max-width: 520px) {
  body { font-size: 16px; }
  .article { padding: 24px 18px; }
  .hero { padding: 40px 0; }
}