/* ========================================
   お知らせ詳細
======================================== */

.news-single {
  max-width: 1000px;
  padding-top: 80px;
  padding-bottom: 120px;
}

.news-single__header {
  padding-bottom: 40px;
  border-bottom: 1px solid #d9d9d9;
}

.news-single__meta {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.news-single__meta time {
  color: #555;
  font-size: 14px;
  letter-spacing: 0.05em;
}

.news-single__title {
  margin: 0;
  color: #222;
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

.news-single__thumbnail {
  margin: 50px 0 0;
}

.news-single__thumbnail img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

/* ========================================
   本文
======================================== */

.news-single__content {
  margin-top: 50px;
  color: #333;
  font-size: 16px;
  line-height: 2;
}

.news-single__content > *:first-child {
  margin-top: 0;
}

.news-single__content > *:last-child {
  margin-bottom: 0;
}

.news-single__content p {
  margin: 0 0 1.8em;
}

.news-single__content h2 {
  margin: 70px 0 30px;
  padding: 16px 22px;
  border-left: 5px solid #176c9c;
  background: #f2f7fa;
  color: #222;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.5;
}

.news-single__content h3 {
  margin: 55px 0 25px;
  padding-bottom: 12px;
  border-bottom: 2px solid #176c9c;
  color: #222;
  font-size: 23px;
  font-weight: 700;
  line-height: 1.5;
}

.news-single__content h4 {
  margin: 40px 0 20px;
  color: #222;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.6;
}

.news-single__content ul,
.news-single__content ol {
  margin: 0 0 30px;
  padding-left: 1.8em;
}

.news-single__content li {
  margin-bottom: 8px;
}

.news-single__content a {
  color: #176c9c;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.news-single__content a:hover {
  text-decoration: none;
}

.news-single__content img {
  max-width: 100%;
  height: auto;
}

.news-single__content figure {
  margin: 40px 0;
}

.news-single__content figcaption {
  margin-top: 10px;
  color: #777;
  font-size: 13px;
  text-align: center;
}

.news-single__content blockquote {
  margin: 40px 0;
  padding: 25px 30px;
  border-left: 4px solid #176c9c;
  background: #f7f7f7;
}

.news-single__content table {
  width: 100%;
  margin: 40px 0;
  border-collapse: collapse;
}

.news-single__content th,
.news-single__content td {
  padding: 15px;
  border: 1px solid #d9d9d9;
  text-align: left;
  vertical-align: top;
}

.news-single__content th {
  width: 30%;
  background: #f2f7fa;
  font-weight: 700;
}

/* ========================================
   カテゴリーラベル
======================================== */

.archive-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 100px;
  padding: 7px 14px;
  border-radius: 100px;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}

/* ========================================
   記事内ページネーション
======================================== */

.news-single__page-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 50px;
}

.news-single__page-links a,
.news-single__page-links .post-page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid #176c9c;
  color: #176c9c;
  text-decoration: none;
}

.news-single__page-links .current {
  background: #176c9c;
  color: #fff;
}

/* ========================================
   前後ナビゲーション
======================================== */

.news-single__navigation {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  margin-top: 90px;
  padding-top: 40px;
  border-top: 1px solid #d9d9d9;
}

.news-single__navigation-item a {
  display: grid;
  align-items: center;
  gap: 4px 12px;
  color: #222;
  text-decoration: none;
}

.news-single__navigation-item--prev a {
  grid-template-columns: auto 1fr;
}

.news-single__navigation-item--next a {
  grid-template-columns: 1fr auto;
  text-align: right;
}

.news-single__navigation-item span {
  grid-row: 1 / 3;
  font-size: 30px;
  line-height: 1;
}

.news-single__navigation-item small {
  color: #777;
  font-size: 12px;
}

.news-single__navigation-item strong {
  display: -webkit-box;
  overflow: hidden;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.6;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.news-single__navigation-item a:hover strong {
  color: #176c9c;
}

.news-single__back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  min-height: 50px;
  padding: 10px 25px;
  border: 1px solid #176c9c;
  border-radius: 100px;
  color: #176c9c;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition:
    color 0.3s,
    background-color 0.3s;
}

.news-single__back:hover {
  background: #176c9c;
  color: #fff;
}

/* ========================================
   レスポンシブ
======================================== */

@media screen and (max-width: 767px) {

  .news-single {
    padding-top: 50px;
    padding-bottom: 80px;
  }

  .news-single__header {
    padding-bottom: 30px;
  }

  .news-single__meta {
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 18px;
  }

  .news-single__title {
    font-size: 24px;
  }

  .news-single__thumbnail {
    margin-top: 35px;
  }

  .news-single__content {
    margin-top: 35px;
    font-size: 15px;
    line-height: 1.9;
  }

  .news-single__content h2 {
    margin-top: 50px;
    padding: 14px 16px;
    font-size: 22px;
  }

  .news-single__content h3 {
    margin-top: 40px;
    font-size: 20px;
  }

  .news-single__content h4 {
    margin-top: 35px;
    font-size: 18px;
  }

  .news-single__content table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .news-single__content th,
  .news-single__content td {
    min-width: 150px;
  }

  .archive-tag {
    min-width: 90px;
    padding: 6px 12px;
    font-size: 12px;
  }

  .news-single__navigation {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 60px;
  }

  .news-single__back {
    grid-column: 1 / 3;
    grid-row: 1;
    justify-self: center;
  }

  .news-single__navigation-item--prev {
    grid-column: 1;
    grid-row: 2;
  }

  .news-single__navigation-item--next {
    grid-column: 2;
    grid-row: 2;
  }

  .news-single__navigation-item strong {
    font-size: 13px;
  }
}