/* フォント設定  */
html, body {
  font-family:
    "游ゴシック体", "Yu Gothic", "游ゴシック Medium", "YuGothic",
    "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN",
    "メイリオ", Meiryo,
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-weight: 500;
  color: #000;
  background: #fff;
  font-size: 15px;
line-height: 1.85;
  letter-spacing: 0.02em;
  word-break: break-word;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 段落余白 */
{
  margin: 1.35em 0;
}

/* ヘッダー */
.site-header {
  display: flex;
  justify-content: center;
  align-items: center;
  background: #fff;
  border-bottom: none !important;
  box-shadow: none !important;
  padding: 24px 0 1px 0;
  text-align: center;
}
.site-header .site-branding {
  margin: 0;
}
.site-header .site-branding h1 {
  margin: 0;
}
.site-header .site-branding h1 a {
  display: inline-block;
  text-align: center;
  color: #000;
  text-decoration: none;
}

/* Aboutリンク */
.section-divider {
  border-top: 1px solid #ddd;
  margin: 1.6em auto;
  max-width: 660px;
  padding: 0;
  box-sizing: border-box;
  position: relative;
}
.section-divider .about-link {
  position: absolute;
  right: 0;
  top: -2em;
}
.section-divider .about-link a {
  font-size: 0.9em;
  color: #218bed;
  text-decoration: none;
}
.section-divider .about-link a:hover {
  text-decoration: underline;
  color: #155a9c;
}

/* フッター */
footer {
  border-top: none !important;
  box-shadow: none !important;
  text-align: center;
  padding: 8px 0;
}

/* リンク */
a,
a:visited,
.content a,
.site-header a,
.site-footer a {
  color: #218bed !important;
  text-decoration: none !important;
}
a:hover,
a:focus,
.content a:hover,
.site-header a:hover,
.site-footer a:hover {
  color: #155a9c !important;
  text-decoration: underline !important;
}

/* レイアウト幅 */
.layout-one-col .content-main {
  max-width: 660px;
  margin: 0 auto;
  padding: 0.6em 0.8em;
  box-sizing: border-box;
  width: 100%;
  overflow-x: hidden;
}

/* 記事リスト */
.article-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.article-item {
  position: relative;
  padding: 1.4em 0 2.6em 0;
  border-top: 1px solid #ddd;
}
.article-item:first-child {
  border-top: none;
}
.article-item:last-child {
  border-bottom: 1px solid #ddd;
}
.article-title {
  font-size: 1.65em;
  font-weight: 600;
  margin: 0 0 0.4em 0;
  line-height: 1.4;
}
.article-title a {
  color: #000;
  text-decoration: none;
}
.article-title a:hover {
  text-decoration: underline;
}
.article-caption {
  font-size: 1em;
  color: #444;
  margin: 0 0 0.5em 0;
  line-height: 1.6;
}
.article-date {
  font-size: 0.85em;
  color: #666;
  position: absolute;
  right: 0;
  bottom: 0.5em;
}

/* ページネーション */
.pagination {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  margin: 1.8em 0;
  padding: 0;
  list-style: none;
  width: 100%;
}
.pagination li {
  list-style: none;
}
.pagination li.prev {
  justify-self: start;
}
.pagination li.numbers {
  justify-self: center;
  display: flex;
  gap: 0.6em;
}
.pagination li.next {
  justify-self: end;
}
.pagination a {
  text-decoration: none;
  color: #218bed;
}
.pagination .active a {
  font-weight: bold;
  color: #155a9c;
}
.pagination .disabled {
  display: none;
}
.pagination li.disabled span {
  color: #ccc;
  cursor: default;
}

/* スマホ最適化 */
@media (max-width: 600px) {
  .layout-one-col .content-main {
    padding: 0.5em 1.1em;
  }
}

/* 水平線をフラットに修正 */
hr {
  border: none;
  border-top: 1px solid #ddd;
  box-shadow: none !important;
  height: 0;
  margin: 2em 0;
}