/* =========================================
   NOST LIFE — blog.css（ブログページ固有）
   ========================================= */


/* =========================================
   BLOG LIST — カテゴリーフィルター
   ========================================= */
.bl-filter {
  display: none;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.bl-filter__btn {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.5px;
  color: var(--color-dark);
  border: 1px solid var(--color-border);
  background: transparent;
  padding: 8px 20px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.bl-filter__btn:hover,
.bl-filter__btn.is-active {
  background: var(--color-blue);
  color: #fff;
  border-color: var(--color-blue);
}


/* =========================================
   BLOG LIST — カードグリッド
   ========================================= */
.bl-section {
  padding: 80px 0;
}

.bl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 30px;
  margin-bottom: 60px;
}

.bl-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.bl-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border-color: var(--color-blue);
}

.bl-card__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  flex-shrink: 0;
}

.bl-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.bl-card:hover .bl-card__image img {
  transform: scale(1.05);
}

.bl-card__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px;
  flex: 1;
}

.bl-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bl-card__cat {
  display: none;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-blue);
  color: var(--color-blue);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.5px;
  padding: 4px 10px;
}

.bl-card__date {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-poppins);
  font-weight: 500;
  font-size: 13px;
  color: var(--color-muted);
}

.bl-card__clock {
  width: 12px;
  height: 12px;
  object-fit: contain;
}

.bl-card__title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-dark);
}

.bl-card__excerpt {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}


/* =========================================
   BLOG LIST — ページネーション
   ========================================= */
.bl-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.bl-pagination__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  font-family: var(--font-poppins);
  font-weight: 600;
  font-size: 14px;
  color: var(--color-dark);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.bl-pagination__item:hover,
.bl-pagination__item.is-active {
  background: var(--color-blue);
  color: #fff;
  border-color: var(--color-blue);
}

.prev,
.next {
  width: auto !important;
  padding: 0 16px !important;
  gap: 6px;
  font-size: 13px;
}

.bl-pagination__item--prev,
.bl-pagination__item--next {
    width: auto !important;
  padding: 0 16px !important;
  gap: 6px;
  font-size: 13px;
}

/* =========================================
   BLOG DETAIL — レイアウト
   ========================================= */
.bd-section {
  padding: 80px 0;
}

.bd-layout {
  display: flex;
  gap: 60px;
  align-items: flex-start;
}

.bd-article {
  flex: 1;
  min-width: 0;
}

.bd-sidebar {
  width: 280px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 40px;
}


/* =========================================
   BLOG DETAIL — 記事本文
   ========================================= */
.bd-article__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
body .has-vivid-cyan-blue-color {
  color: var(--color-blue) !important;
}

.bd-article__cat {
  display: none;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-blue);
  color: var(--color-blue);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.5px;
  padding: 4px 10px;
}

.bd-article__date {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-poppins);
  font-weight: 500;
  font-size: 13px;
  color: var(--color-muted);
}

.bd-article__clock {
  width: 12px;
  height: 12px;
  object-fit: contain;
}

.bd-article__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 28px;
  line-height: 1.5;
  color: var(--color-dark);
  margin-bottom: 30px;
}

.bd-article__eye-catch {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  margin-bottom: 40px;
}

.bd-article__eye-catch img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bd-article__body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 2;
  color: var(--color-dark);
}

.bd-article__body h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.4;
  color: var(--color-dark);
  border-left: 4px solid var(--color-blue);
  padding-left: 16px;
  margin: 40px 0 20px;
}

.bd-article__body h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 21px;
  line-height: 1;
  color: var(--color-blue);
  margin: 0 0 20px;
}

.bd-article__body hr {
  margin: 20px 0;
    border-top: 1px solid var(--color-blue);
}

.bd-article__body p {
  margin-bottom: 20px;
  font-weight: 500;
  font-size: 16px;
  text-align: left;
}

.bd-article__body a {
  color: var(--color-blue);
  font-weight: 700;
  border-bottom: 1px solid var(--color-blue);
}

.bd-article__body a:hover  {
  transform: translateY(-1px);
  transition: 0.2s;
  filter: brightness(1.20);
}
.bd-article__body a[href^="http"]::after,
.bd-article__body a[href^="https"]::after {
  content: "";
  display: inline-block;
  width: 0.85em;
  height: 0.85em;
  margin-bottom: 0.2em;
  margin-left: 0.25em;
  vertical-align: middle;
  background-color: var(--color-blue);
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'/%3E%3Cpolyline points='15 3 21 3 21 9'/%3E%3Cline x1='10' y1='14' x2='21' y2='3'/%3E%3C/svg%3E");
  mask-repeat: no-repeat;
  mask-size: contain;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'/%3E%3Cpolyline points='15 3 21 3 21 9'/%3E%3Cline x1='10' y1='14' x2='21' y2='3'/%3E%3C/svg%3E");
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-size: contain;
}

.bd-article__body h4 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.5;
  color: var(--color-blue);
  margin: 20px 0 10px;
}

.bd-article__body h5 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-dark);
  margin: 10px 0 10px;
}

/* リスト全体のスタイル調整 */
.bd-article__body ul {
  list-style: none;     /* デフォルトの黒丸を消す */
  padding-left: 0;      /* 左の余白をリセット */
  margin: 0;
  font-weight: 500;
}

.bd-article__body img {
 margin: 10px 0 30px;
}

/* 目次（ol）のスタイル */
.bd-article__body ol {
  counter-reset: ol-counter;
  list-style: none;
  padding-left: 0;
}

/* 各リスト項目のスタイル */
.bd-article__body ol li {
  position: relative;
  padding-left: 2em;
  margin-bottom: 0.4em;
  line-height: 1.6;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-dark);
  counter-increment: ol-counter;
}

.bd-article__body ol li a {
color: var(--color-dark);
border-bottom: none;
}

/* 擬似要素で青い丸＋番号を作成 */
.bd-article__body ol li::before {
  content: counter(ol-counter);
  position: absolute;
  left: 0;

  width: 1.8em;
  height: 1.8em;
  border-radius: 50%;
  color: var(--color-blue);
  font-size: 1em;
  font-weight: bold;
  text-align: center;
  line-height: 1.6;
}

/* 各リスト項目のスタイル */
.bd-article__body ul li {
  position: relative;
  padding-left: 1em;  /* 点の分だけ左に余白を作る */
  margin-bottom: 0.4em; /* 項目ごとの上下の隙間（お好みで調整） */
  line-height: 1.6;     /* 行間 */
  color: var(--color-dark);       /* テキストの色（画像に合わせた濃いグレー） */
}

/* 擬似要素で青い丸を作成 */
.bd-article__body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;          /* 1行目の文字の高さの真ん中に合わせる微調整 */
  width: 6px;           /* 丸の幅（画像に合わせて調整可） */
  height: 6px;          /* 丸の高さ */
  background-color: var(--color-blue); /* 画像に近いライトブルーの色コード */
  border-radius: 50%;   /* 完全な正円にする */
}

.bd-article__body strong {
  font-weight: 700;
}

.bd-article__back {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: center;
}


/* =========================================
   BLOG DETAIL — サイドバー
   ========================================= */
.bd-sidebar__block {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.bd-sidebar__heading {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-dark);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-blue);
}

.bd-sidebar__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.bd-sidebar__item {
  border-bottom: 1px solid var(--color-border);
}

.bd-sidebar__item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-dark);
  transition: color 0.2s ease;
}

.bd-sidebar__item a:hover {
  color: var(--color-blue);
}

.bd-sidebar__thumb {
  width: 64px;
  height: 64px;
  object-fit: cover;
  flex-shrink: 0;
}

.bd-sidebar__item-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.bd-sidebar__item-title {
  font-size: 13px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.bd-sidebar__item-date {
  font-family: var(--font-poppins);
  font-size: 11px;
  color: var(--color-muted);
}

.bd-sidebar__cat-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.bd-sidebar__cat-item {
  border-bottom: 1px solid var(--color-border);
}

.bd-sidebar__cat-item a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-dark);
  transition: color 0.2s ease;
}

.bd-sidebar__cat-item a:hover {
  color: var(--color-blue);
}

.bd-sidebar__cat-count {
  font-family: var(--font-poppins);
  font-size: 12px;
  color: var(--color-muted);
}


/* =========================================
   CTA
   ========================================= */
.cta {
  background: url(../img/index/cta_bg.jpg);
  background-size: cover;
}

.cta .contents_inner {
  padding: 80px 0;
  text-align: center;
}

.cta h3 {
  font-size: 36px;
  font-weight: 700;
  font-family: var(--font-serif);
  color: #fff;
  margin-bottom: 30px;
}

.cta p {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.8;
  color: #fff;
  margin-bottom: 50px;
}

.link_wrap {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 60px;
}

.link_wrap span {
  color: #fff;
}

.link_wrap .section-cta__label .slash-icon {
  filter: brightness(0) invert(1);
}

@media (max-width: 640px) {
  .cta h3 {
    font-size: 24px;
    margin-bottom: 20px;
  }

  .cta p {
    font-size: 14px;
    line-height: 1.9;
    margin-bottom: 30px;
    font-weight: 500;
  }

  .link_wrap {
    flex-direction: column;
    align-items: center;
    gap: 40px;
  }

  .cta .contents_inner {
    padding: 40px 0;
    text-align: left;
  }
}


/* =========================================
   レスポンシブ: BLOG LIST
   ========================================= */
@media (max-width: 1170px) {
  .bl-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 840px) {
  .bl-section {
    padding: 50px 0;
  }

  .bl-filter {
    margin-bottom: 30px;
  }

  .bl-grid {
    gap: 24px 20px;
    margin-bottom: 40px;
  }

  .bl-card__body {
    padding: 18px;
    gap: 10px;
  }

  .bl-card__title {
    font-size: 14px;
  }
}

@media (max-width: 640px) {
  .bl-grid {
    grid-template-columns: 1fr;
  }

  .bl-filter__btn {
    font-size: 12px;
    padding: 6px 14px;
  }
}


/* =========================================
   レスポンシブ: BLOG DETAIL
   ========================================= */
@media (max-width: 1170px) {
  .bd-sidebar {
    width: 240px;
  }
}

@media (max-width: 840px) {
  .bd-section {
    padding: 50px 0;
  }

  .bd-layout {
    flex-direction: column;
    gap: 50px;
  }

  .bd-sidebar {
    width: 100%;
  }

  .bd-article__title {
    font-size: 22px;
  }

  .bd-article__body h2 {
    font-size: 18px;
  }

  .bd-article__body h3 {
    font-size: 16px;
  }

      .bd-article__body h4 {
    font-size: 18px;
  }
}

@media (max-width: 640px) {
  .bd-article__title {
    font-size: 20px;
  }
}