@charset "UTF-8";

/* =============================================================
   style_c_add.css
   NSW Manufacturing Note — BOPコラム記事 追加スタイル
   既存の reset.css / style_c.css / style_c_sp.css を読み込んだ後、
   このファイルを最後に読み込むこと。
   既存クラスを一切上書きせず、新規追加要素のみ定義しています。
   ============================================================= */


/* -------------------------------------------------------------
   1. 読了プログレスバー
   ------------------------------------------------------------- */
.read-progress {
  position: fixed;
  top: 60px;
  /* 既存ヘッダー高 60px の直下 */
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  z-index: 999;
  pointer-events: none;
}

.read-progress__bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #003288, #0060e4);
  transition: width .1s linear;
}


/* -------------------------------------------------------------
   2. 記事メタ情報（タグ・公開日・読了時間）
   h1 の直前に配置
   ------------------------------------------------------------- */
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 20px;
  margin: 0 0 20px;
  font-size: 13px;
  color: #435467;
}

.article-meta .tag {
  display: inline-block;
  padding: 3px 10px;
  background: #003288;
  color: #fff;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .05em;
}

.article-meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-meta .meta-item i {
  color: #778ca3;
}


/* -------------------------------------------------------------
   3. TL;DR 要約カード（記事冒頭）
   ------------------------------------------------------------- */
.tldr {
  margin: 30px 0 10px;
  padding: 22px 26px;
  background: linear-gradient(135deg, #f4f8fd, #eaf1fa);
  border: 1px solid #d8e3ef;
  border-radius: 8px;
}

.tldr__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 700;
  color: #003288;
  letter-spacing: .1em;
}

.tldr__label i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #003288;
  color: #fff;
  font-style: normal;
  font-size: 12px;
}

.tldr__title {
  font-size: 16px;
  font-weight: 700;
  color: #000;
  margin: 0 0 10px;
  padding: 0;
  line-height: 1.5;
}

.tldr ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.tldr ul li {
  position: relative;
  padding: 6px 0 6px 26px;
  font-size: 14.5px;
  line-height: 1.75;
}

.tldr ul li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 16px;
  width: 14px;
  height: 2px;
  background: #003288;
}


/* -------------------------------------------------------------
   4. 関連記事コールアウト（本文中インライン）
   ------------------------------------------------------------- */
.callout-related {
  margin: 28px 0;
  padding: 14px 20px;
  background: #fff;
  border: 1px solid #e2e6ec;
  border-left: 3px solid #003288;
  border-radius: 0 4px 4px 0;
  font-size: 14px;
  line-height: 1.7;
}

.callout-related__label {
  display: inline-block;
  margin-bottom: 4px;
  font-size: 11px;
  font-weight: 700;
  color: #003288;
  letter-spacing: .1em;
}

.callout-related__label i {
  margin-right: 4px;
}

.callout-related a {
  color: #004098;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: #c8d4e6;
  text-underline-offset: 3px;
}

.callout-related a:hover {
  text-decoration-color: #004098;
}

.callout-related a i {
  margin-left: 6px;
}

.callout-related__note {
  margin: 2px 0 0;
  color: #435467;
  font-size: 12.5px;
}


/* -------------------------------------------------------------
   5. サイドバー追従目次（デスクトップのみ）
   article-with-side で本文と横並びにする。
   既存の section.inner (max-width 904px) を維持するため、
   その外側にラッパを追加してレイアウトする。
   ------------------------------------------------------------- */
.article-with-side {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 48px;
  align-items: start;
}

.article-with-side>.article-main {
  min-width: 0;
  /* grid で内側 max-width が効くように */
}

.article-with-side>.article-side {
  position: sticky;
  top: 88px;
  align-self: start;
}

/* サイドバー目次カード */
.side-toc {
  background: #fff;
  border: 1px solid #e2e6ec;
  border-radius: 6px;
  padding: 16px 18px;
  margin-bottom: 16px;
  font-size: 12.5px;
  max-height: calc(100vh - 140px);
  overflow-y: auto;
}

.side-toc__head {
  padding-bottom: 10px;
  margin-bottom: 8px;
  border-bottom: 1px solid #e2e6ec;
  font-size: 11px;
  font-weight: 700;
  color: #003288;
  letter-spacing: .1em;
}

.side-toc__head i {
  margin-right: 6px;
}

.side-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.side-toc>ol>li {
  margin: 2px 0;
}

.side-toc>ol>li>a {
  display: block;
  padding: 6px 8px;
  border-left: 2px solid transparent;
  color: #435467;
  font-weight: 500;
  line-height: 1.5;
  text-decoration: none;
  transition: all .2s;
}

.side-toc>ol>li>a:hover {
  color: #004098;
}

.side-toc>ol>li>a.active {
  border-left-color: #003288;
  background: #f4f8fd;
  color: #003288;
  font-weight: 600;
}

.side-toc ol ol {
  padding-left: 12px;
  margin: 2px 0;
}

.side-toc ol ol li a {
  display: block;
  padding: 4px 8px;
  border-left: 2px solid transparent;
  color: #7a8697;
  font-size: 11.5px;
  line-height: 1.5;
  text-decoration: none;
}

.side-toc ol ol li a:hover,
.side-toc ol ol li a.active {
  color: #004098;
  border-left-color: #c8d4e6;
}

/* サイドバーCTA */
.side-cta {
  padding: 20px 18px;
  background: linear-gradient(135deg, #003288, #004098);
  border-radius: 6px;
  color: #fff;
}

.side-cta__ttl {
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
}

.side-cta__desc {
  margin-bottom: 14px;
  font-size: 12px;
  line-height: 1.7;
  opacity: .9;
}

.side-cta__btn {
  display: block;
  /*padding: 10px 8px;*/
  margin-bottom: 8px;
  background: #fff;
  color: #003288;
  border-radius: 100px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: transform .2s;
}

.side-cta__btn:hover {
  transform: translateY(-2px);
}

.side-cta__btn--ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .6);
  margin-bottom: 0;
}

/* 1100px以下でサイドバーを非表示、1カラム化 */
@media screen and (max-width:1100px) {
  .article-with-side {
    display: block;
    padding: 0;
  }

  .article-with-side>.article-side {
    display: none;
  }
}


/* -------------------------------------------------------------
   6. FAQ アコーディオン（native <details>）
   ------------------------------------------------------------- */
.faq {
  margin: 48px 0 0;
}

.faq__ttl {
  margin: 0 0 18px;
  font-size: 22px;
  font-weight: 700;
  color: #000;
}

.faq details {
  margin-bottom: 10px;
  background: #fff;
  border: 1px solid #e2e6ec;
  border-radius: 6px;
  overflow: hidden;
  transition: box-shadow .2s;
}

.faq details[open] {
  box-shadow: 0 1px 4px rgba(0, 0, 0, .05);
}

.faq summary {
  position: relative;
  padding: 16px 48px 16px 56px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::before {
  content: 'Q';
  position: absolute;
  left: 18px;
  top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: #003288;
  color: #fff;
  border-radius: 50%;
  font-family: 'Roboto', sans-serif;
  font-weight: 700;
  font-size: 13px;
}

.faq summary::after {
  content: '';
  position: absolute;
  right: 20px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid #003288;
  border-bottom: 2px solid #003288;
  transform: translateY(-70%) rotate(45deg);
  transition: transform .3s;
}

.faq details[open] summary::after {
  transform: translateY(-30%) rotate(-135deg);
}

.faq__body {
  position: relative;
  padding: 0 24px 20px 56px;
  color: #435467;
  font-size: 14px;
  line-height: 1.9;
}

.faq__body::before {
  content: 'A';
  position: absolute;
  left: 18px;
  top: -2px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: #F0F3F5;
  color: #003288;
  border-radius: 50%;
  font-family: 'Roboto', sans-serif;
  font-weight: 700;
  font-size: 13px;
}

.faq__body p {
  margin: 0;
}

@media screen and (max-width:480px) {
  .faq summary {
    padding: 14px 42px 14px 50px;
    font-size: 14px;
  }

  .faq summary::before {
    left: 14px;
    top: 13px;
    width: 24px;
    height: 24px;
    font-size: 12px;
  }

  .faq summary::after {
    right: 16px;
  }

  .faq__body {
    padding: 0 20px 18px 50px;
    font-size: 13.5px;
  }

  .faq__body::before {
    left: 14px;
    width: 24px;
    height: 24px;
    font-size: 12px;
  }
}


/* -------------------------------------------------------------
   7. SNS シェアボタン
   ------------------------------------------------------------- */
.share {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 32px 0 8px;
  padding: 16px 0;
  border-top: 1px solid #e2e6ec;
  border-bottom: 1px solid #e2e6ec;
}

.share__label {
  font-size: 12px;
  font-weight: 600;
  color: #435467;
}

.share a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: #F0F3F5;
  border-radius: 50%;
  color: #435467;
  font-size: 14px;
  text-decoration: none;
  transition: all .2s;
}

.share a:hover {
  background: #003288;
  color: #fff;
  transform: translateY(-2px);
}


/* -------------------------------------------------------------
   8. h1 の見出しにマーカー効果を追加するための em スタイル
   （既存 h1 スタイルはそのまま活かし、内側の em だけ装飾）
   ------------------------------------------------------------- */
h1 em.article-title__accent {
  font-style: normal;
  color: #003288;
  background: linear-gradient(transparent 65%, rgba(0, 96, 228, .18) 65%);
  padding: 0 .1em;
}

.article-lead {
  font-size: 15.5px;
  line-height: 2;
  color: var(--c-text-sub);
  padding: 22px 26px;
  background: #fff;
  border-left: 4px solid var(--c-primary);
  box-shadow: var(--shadow-md);
  border-radius: 2px 6px 6px 2px;
  margin-top: 8px;
}


/* -------------------------------------------------------------
   9. Figure キャプション（既存 .zukai / .sasie を活かし、
   キャプションだけ追加）
   ------------------------------------------------------------- */
.figure-caption {
  margin-top: -30px;
  /* .zukai img の margin-bottom 50px を相殺 */
  margin-bottom: 40px;
  font-size: 12.5px;
  color: #435467;
  line-height: 1.7;
  text-align: center;
}

/* Merit cards ------------------------------------------------- */
.merit-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin: 24px 0 40px;
}

.merit-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  position: relative;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
}

.merit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
}

.merit-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md)
}

.merit-card__no {
  font-family: 'Roboto', sans-serif;
  font-size: 32px;
  line-height: 1;
  color: var(--c-primary);
  font-weight: 700;
  opacity: .28;
  position: absolute;
  top: 14px;
  right: 18px;
  letter-spacing: -.02em;
}

.merit-card__ttl {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-primary);
  margin: 0 0 6px;
  line-height: 1.5;
}

.merit-card__tag {
  display: inline-block;
  font-size: 11px;
  color: var(--c-text-sub);
  background: var(--c-gray-lighter);
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 10px;
  line-height: 1.5;
}

.merit-card__desc {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--c-text-sub);
  margin: 0
}

h3.merit-card__ttl {
  padding-top: 0 !important;
}

/* Root vars ---------------------------------------------------- */
:root {
  --c-primary: #003288;
  /* NSW メインブルー */
  --c-primary-2: #004098;
  /* NSW サブブルー */
  --c-primary-3: #01568f;
  --c-accent: #0060e4;
  --c-navy: #02193D;
  --c-gray: #778ca3;
  --c-gray-light: #F0F3F5;
  --c-gray-lighter: #f7f9fb;
  --c-text: #1a1a1a;
  --c-text-sub: #435467;
  --c-border: #e2e6ec;
  --c-warning: #c85a1f;
  --c-success: #1f7a4d;
  --c-red: #c14a3a;
  --c-red-bg: #fdecea;
  --c-yellow-bg: #fff8e1;
  --c-yellow-bd: #e6c56a;
  --c-green: #1f7a4d;
  --c-green-bg: #e8f5ee;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);
  --shadow-md: 0 6px 20px -8px rgba(0, 50, 136, .15);
  --shadow-lg: 0 18px 50px -10px rgba(0, 0, 0, .20);
  --radius: 6px;
  --radius-lg: 12px;
  --content-w: 904px;
  --wide-w: 1200px;
}

.article-body strong {
  color: var(--c-primary);
  font-weight: 700
}

/* Figure ------------------------------------------------------ */
.figure {
  margin: 32px 0 40px;
  text-align: center
}

.figure img {
  margin: 0 auto;
  max-width: 100%;
  height: auto;
  /*border:1px solid var(--c-border);border-radius:var(--radius);*/
  /*box-shadow:var(--shadow-sm);background:#fff;*/
}

.figure figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--c-text-sub);
  line-height: 1.7;
  text-align: center;
}

/* Case study block ------------------------------------------- */
.case {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 0;
  margin: 32px 0;
  overflow: hidden;
}

.case__head {
  background: linear-gradient(135deg, var(--c-navy), var(--c-primary));
  color: #fff;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.case__label {
  font-size: 11px;
  letter-spacing: .15em;
  font-weight: 700;
  padding: 4px 12px;
  background: rgba(255, 255, 255, .18);
  border-radius: 100px;
}

.case__ttl {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.6;
  margin: 0;
  flex: 1
}

.case__body {
  padding: 8px 28px 28px
}

.case__phase {
  margin-top: 22px
}

.case__phase-ttl {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-primary);
  padding: 10px 0 8px;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 12px;
}

.case__phase-ttl .badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  padding: 2px 10px;
  background: var(--c-primary);
  color: #fff;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .05em;
}

.case__phase p {
  font-size: 14px;
  line-height: 1.9;
  margin: 0 0 8px;
  color: var(--c-text-sub)
}

/* -------------------------------------------------------------
   2. 「現場で起きていること」問題カード
   3つの構造的な問題を並べる（営業／設計／製造）
   ------------------------------------------------------------- */
.issue-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 24px 0 40px;
}

.issue-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
  /* 縦並び用のグリッド */
  display: grid;
  grid-template-columns: 150px 1fr;
  grid-template-rows: auto auto;
  column-gap: 22px;
  row-gap: 8px;
  align-items: start;
}

.issue-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-warning), #e88b4f);
}

.issue-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.issue-card__head {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding-right: 22px;
  border-right: 1px dashed var(--c-border);
  margin-bottom: 0;
}

.issue-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #fef3ec;
  color: var(--c-warning);
  font-size: 15px;
  flex-shrink: 0;
}

.issue-card__ttl {
  font-size: 14px;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.45;
  margin: 0;
  text-align: center;
}

.issue-card__lead {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-text);
  margin: 0;
}

.issue-card__note {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
  padding: 10px 12px;
  background: var(--c-gray-lighter);
  border-radius: 4px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-text-sub);
}

.issue-card__note::before {
  content: 'さらに詳しく';
  display: inline-block;
  margin-right: 6px;
  padding: 1px 6px;
  background: var(--c-primary);
  color: #fff;
  border-radius: 2px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .05em;
  vertical-align: 1px;
}


/* -------------------------------------------------------------
   3. 根本原因ハイライト（キーメッセージ）
   ------------------------------------------------------------- */
.rootcause {
  position: relative;
  margin: 32px 0;
  padding: 26px 30px 26px 34px;
  background: linear-gradient(135deg, #f6f9fd, #ffffff);
  border: 1px solid var(--c-border);
  border-left: 5px solid var(--c-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.rootcause__label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 12px;
  margin-bottom: 12px;
  background: var(--c-primary);
  color: #fff;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}

.rootcause__ttl {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-text);
  margin: 0 0 10px;
}

.rootcause__ttl mark {
  background: linear-gradient(transparent 62%, rgba(0, 96, 228, .22) 62%);
  color: var(--c-primary);
  padding: 0 2px;
}

.rootcause__desc {
  font-size: 14px;
  line-height: 1.9;
  color: var(--c-text-sub);
  margin: 0;
}

/* -------------------------------------------------------------
   9. KEYインサイト（ポイント囲み）
   ------------------------------------------------------------- */
.insight {
  margin: 28px 0;
  padding: 20px 24px;
  background: linear-gradient(135deg, #f4f8fd, #eaf1fa);
  border-left: 4px solid var(--c-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.insight__label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 700;
  color: var(--c-primary);
  letter-spacing: .1em;
}

.insight__label i {
  color: var(--c-accent);
}

.insight__body {
  margin: 0;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.85;
  color: var(--c-text);
}

.insight__body strong {
  color: var(--c-primary);
}

/* -------------------------------------------------------------
   4. 経営リスクボックス（警告系アラート）
   ------------------------------------------------------------- */
.risk-alert {
  display: flex;
  gap: 16px;
  margin: 28px 0 40px;
  padding: 20px 22px;
  background: var(--c-red-bg);
  border: 1px solid #f0c7c1;
  border-left: 4px solid var(--c-red);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.risk-alert__icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--c-red);
  color: #fff;
  font-size: 16px;
}

.risk-alert__body {
  flex: 1;
  font-size: 13.5px;
  line-height: 1.9;
  color: #5c2a20;
}

.risk-alert__ttl {
  display: block;
  margin-bottom: 4px;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-red);
}

/* ------------------------------------------------------------- 13. SPレスポンシブ調整 ------------------------------------------------------------- 
*/
@media screen and (max-width:640px) {
  .article-hero__img {
    aspect-ratio: 16/9;
  }

  .rootcause {
    padding: 22px 20px 22px 24px;
  }

  .rootcause__ttl {
    font-size: 16.5px;
  }

  .risk-alert {
    padding: 18px 18px;
    gap: 12px;
  }

  .risk-alert__icon {
    width: 34px;
    height: 34px;
    font-size: 14px;
  }

  .issue-card {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    row-gap: 10px;
  }

  .issue-card__head {
    grid-column: 1 / 2;
    grid-row: 1 / 2;
    flex-direction: row;
    justify-content: flex-start;
    padding-right: 0;
    padding-bottom: 10px;
    border-right: none;
    border-bottom: 1px dashed var(--c-border);
  }

  .issue-card__ttl {
    text-align: left;
  }

  .issue-card__lead {
    grid-column: 1 / 2;
    grid-row: 2 / 3;
  }

  .issue-card__note {
    grid-column: 1 / 2;
    grid-row: 3 / 4;
  }

  .article-end-cta {
    padding: 24px 20px;
  }

  .article-end-cta__btn {
    padding: 12px 20px;
    font-size: 13.5px;
  }

  .insight__body {
    font-size: 13.5px;
  }
}


/* -------------------------------------------------------------
   14. Print最適化（PDF出力時にサイドバー等を非表示）
   ------------------------------------------------------------- */
@media print {

  header,
  footer,
  .read-progress,
  .article-side,
  .btm,
  .share,
  .article-end-cta,
  .next-reads,
  .side-cta,
  .side-toc {
    display: none !important;
  }

  .article-with-side {
    display: block;
    padding: 0;
  }

  body {
    padding-top: 0;
  }
}

/* -------------------------------------------------------------
   6. リファレンスBOM運用フロー（4ステップ）
   ------------------------------------------------------------- */
.ref-flow {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 24px 0 10px;
  counter-reset: step;
}

.ref-flow__step {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px 22px 18px;
  padding-left: 110px;
  padding-top: 24px;
}

.ref-flow__step::before {
  counter-increment: step;
  content: 'STEP ' counter(step);
  position: absolute;
  top: 50%;
  left: 20px;
  transform: translateY(-50%);
  padding: 6px 14px;
  background: var(--c-primary);
  color: #fff;
  border-radius: 100px;
  font-family: 'Roboto', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  white-space: nowrap;
}

.ref-flow__step2 {
  position: relative;
  background: #f7f9fc;
  /*border: 1px solid var(--c-border);
  border-radius: var(--radius);*/
  padding: 20px 22px 18px;
  padding-left: 110px; /* 左側の余白（数字の大きさに合わせて調整してください） */
  padding-top: 24px;
}

.ref-flow__step2::before {
  counter-increment: step;
  /* decimal-leading-zero を指定することで「01, 02...」という表記になります */
  content: counter(step, decimal-leading-zero); 
  
  /* 位置調整 */
  position: absolute;
  top: 50%;
  left: 24px; /* 左端からの位置 */
  transform: translateY(-50%);
  
  /* merit-flow__no のスタイルを適用 */
  font-family: 'Roboto', sans-serif;
  font-size: 34px;
  font-weight: 700;
  color: #0e1425;
  opacity: .22;
  line-height: 1;
  letter-spacing: -.03em;
  white-space: nowrap;
}

.ref-flow__step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -14px;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 8px 0 8px;
  border-color: #c8d4e6 transparent transparent transparent;
  z-index: 2;
}

.ref-flow__ttl {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.5;
  margin: 0 0 6px;
}

.ref-flow__desc {
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--c-text-sub);
  margin: 0;
}

@media screen and (max-width:640px) {
  .ref-flow__step {
    padding: 44px 20px 18px 20px;
  }

  .ref-flow__step::before {
    top: 14px;
    left: 16px;
    transform: none;
  }
}


/* -------------------------------------------------------------
   7. 手戻り削減の3つの効果カード
   ------------------------------------------------------------- */
.effect-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 24px 0 40px;
}

.effect-card {
  position: relative;
  background: linear-gradient(180deg, #f4f8fd, #ffffff 45%);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 24px 22px 20px;
}

.effect-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--c-primary);
  color: var(--c-primary);
  font-size: 18px;
}

.effect-card__ttl {
  font-size: 14px;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.5;
  margin: 0 0 8px;
}

.effect-card__desc {
  font-size: 13px;
  line-height: 1.85;
  color: var(--c-text);
  margin: 0;
}


/* -------------------------------------------------------------
   8. Base-Right 特徴カード
   ------------------------------------------------------------- */
.br-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin: 24px 0 32px;
}

.br-feature {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 22px 24px 20px;
  overflow: hidden;
}

.br-feature__num {
  position: absolute;
  top: -14px;
  right: 14px;
  font-family: 'Roboto', sans-serif;
  font-size: 72px;
  font-weight: 700;
  color: var(--c-primary);
  opacity: .08;
  line-height: 1;
  letter-spacing: -.04em;
}

.br-feature__label {
  display: inline-block;
  padding: 2px 10px;
  margin-bottom: 10px;
  background: #f4f8fd;
  color: var(--c-primary);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .05em;
}

.br-feature__ttl {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.55;
  margin: 0 0 10px;
}

.br-feature__desc {
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--c-text-sub);
  margin: 0;
}

/* -------------------------------------------------------------
   10. 記事末シェア＋CTA
   ------------------------------------------------------------- */
.article-end-cta {
  margin: 48px 0 0;
  padding: 28px 30px;
  background: linear-gradient(135deg, #003288, #0060e4);
  border-radius: var(--radius);
  color: #fff;
  text-align: center;
}

.article-end-cta__ttl {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.6;
  margin: 0 0 8px;
}

.article-end-cta__desc {
  font-size: 13.5px;
  line-height: 1.8;
  opacity: .92;
  margin: 0 0 18px;
}

.article-end-cta__btns {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.article-end-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: #fff;
  color: var(--c-primary);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: transform .2s;
  min-width: 220px;
  justify-content: center;
}

.article-end-cta__btn:hover {
  transform: translateY(-2px);
}

.article-end-cta__btn--ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .7);
}

  /* -------------------------------------------------------------
   9a. 事例（Case Study）ヘッダー
   既存 h3.case（課題/取組/成果）の上に置く CASE STUDY 概要ブロック
   ------------------------------------------------------------- */
  .case-head {
    margin: 30px 0 10px;
    padding: 20px 24px;
    background: linear-gradient(135deg, #02193D, #003288);
    border-radius: 8px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
  }

  .case-head__label {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255, 255, 255, .18);
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .15em;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .case-head__desc {
    margin: 0;
    flex: 1;
    min-width: 240px;
    font-size: 14.5px;
    line-height: 1.75;
    font-weight: 500;
  }

  @media screen and (max-width:640px) {
    .case-head {
      padding: 16px 18px;
      gap: 12px;
    }

    .case-head__desc {
      font-size: 13.5px;
    }
  }

  /* -------------------------------------------------------------
   9b. 成果リスト（4項目）
   h3.case「成果」の直下、p 説明文の下に置くカードリスト
   ------------------------------------------------------------- */
  .result-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 14px;
    margin: 20px 0 30px;
  }

  .result-item {
    display: flex;
    gap: 14px;
    padding: 18px 20px;
    background: #fff;
    border: 1px solid #e2e6ec;
    border-left: 3px solid #003288;
    border-radius: 4px;
    transition: box-shadow .2s, transform .2s;
  }

  .result-item:hover {
    box-shadow: 0 6px 20px -8px rgba(0, 50, 136, .15);
    transform: translateY(-2px);
  }

  .result-item__no {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: #F0F3F5;
    color: #003288;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
    font-size: 14px;
  }

  .result-item__body {
    min-width: 0;
    flex: 1;
  }

  .result-item__ttl {
    font-size: 15px;
    font-weight: 700;
    color: #003288;
    line-height: 1.5;
    margin-bottom: 6px;
  }

  .result-item__desc {
    margin: 0;
    font-size: 13.5px;
    line-height: 1.85;
    color: #435467;
  }

  @media screen and (max-width:480px) {
    .result-item {
      padding: 16px 16px;
      gap: 12px;
    }

    .result-item__no {
      width: 32px;
      height: 32px;
      font-size: 13px;
    }

    .result-item__ttl {
      font-size: 14px;
    }
  }

  /* -------------------------------------------------------------
   1. KPIバッジ（リード直下、上流設計の重要性を数値で提示）
   ------------------------------------------------------------- */
  .kpi-badges {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 8px 100px 8px;
  }

  .kpi-badge {
    position: relative;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 40px 16px 30px;
    text-align: center;
    overflow: hidden;
    transition: transform .3s, box-shadow .3s;
  }

  .kpi-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  }

  .kpi-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }

  .kpi-badge__num {
    display: block;
    font-family: 'Roboto', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--c-primary);
    line-height: 1.1;
    letter-spacing: -.02em;
    margin-bottom: 8px;
  }

  .kpi-badge__unit {
    font-size: 20px;
    font-weight: 500;
    margin-left: 2px;
    color: var(--c-accent);
  }

  .kpi-badge__label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    line-height: 1.55;
    color: var(--c-text-sub);
  }

  .kpi-badge--accent {
    background: linear-gradient(135deg, #f4f8fd, #eaf1fa);
    border-color: #d8e3ef;
  }

  .kpi-badge--accent .kpi-badge__num {
    color: var(--c-accent);
  }

  @media screen and (max-width:640px) {
    .kpi-badges {
      grid-template-columns: 1fr;
      gap: 10px;
    }

    .kpi-badge {
      display: grid;
      grid-template-columns: 100px 1fr;
      align-items: center;
      text-align: left;
      padding: 16px 18px;
      gap: 10px;
    }

    .kpi-badge__num {
      margin-bottom: 0;
      font-size: 32px;
    }

    .kpi-badge__label {
      text-align: left;
      font-size: 12.5px;
    }
  }


  /* -------------------------------------------------------------
   2. PDM / PLM / ERP 役割定義カード（3枚並び）
   ------------------------------------------------------------- */
  .role-defs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin: 24px 0 36px;
  }

  .role-def {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 14px;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 22px 20px 20px;
    transition: transform .3s, box-shadow .3s;
  }

  .role-def:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
  }

  .role-def__badge {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 72px;
    padding: 6px 14px;
    border-radius: 4px;
    font-family: 'Roboto', sans-serif;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .05em;
    color: #fff;
    background: var(--c-primary);
  }

  .role-def__badge--pdm {
    background: linear-gradient(135deg, #003288, #0060e4);
  }

  .role-def__badge--plm {
    background: linear-gradient(135deg, #01568f, #0d84d1);
  }

  .role-def__badge--erp {
    background: linear-gradient(135deg, #02193D, #124074);
  }

  .role-def__body {
    flex: 1;
  }

  .role-def__ttl {
    margin: 0 0 6px;
    font-size: 13px;
    font-weight: 700;
    color: var(--c-accent);
    letter-spacing: .03em;
    font-family: 'Roboto', sans-serif;
  }

  .role-def__desc {
    margin: 0;
    font-size: 13px;
    line-height: 1.85;
    color: var(--c-text-sub);
  }

  @media screen and (max-width:830px) {
    .role-defs {
      grid-template-columns: 1fr;
    }
  }


  /* -------------------------------------------------------------
   3. PDM/PLM ⇔ ERP 役割比較（サイドバイサイド）
   ------------------------------------------------------------- */
  .role-compare {
    display: grid;
    grid-template-columns: 1fr 60px 1fr;
    gap: 0;
    margin: 28px 0 36px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
  }

  .role-compare__side {
    padding: 24px 24px 22px;
    color: #fff;
  }

  .role-compare__side--plm {
    background: linear-gradient(135deg, #003288, #0060e4);
  }

  .role-compare__side--erp {
    background: linear-gradient(135deg, #02193D, #124074);
  }

  .role-compare__head {
    padding-bottom: 10px;
    margin-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, .25);
  }

  .role-compare__label {
    display: inline-block;
    padding: 2px 10px;
    margin-bottom: 8px;
    background: rgba(255, 255, 255, .18);
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
  }

  .role-compare__ttl {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: .02em;
    color: #fff;
    font-family: 'Roboto', sans-serif;
  }

  .role-compare__lead {
    margin: 0 0 12px;
    font-size: 14px;
    line-height: 1.7;
    opacity: .95;
  }

  .role-compare__lead strong {
    color: #fff;
    background: linear-gradient(transparent 60%, rgba(255, 255, 255, .25) 60%);
    padding: 0 2px;
  }

  .role-compare__list {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .role-compare__list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 5px 0;
    font-size: 13px;
    line-height: 1.7;
  }

  .role-compare__list li i {
    flex-shrink: 0;
    margin-top: 5px;
    font-size: 10px;
    color: rgba(255, 255, 255, .7);
  }

  .role-compare__bridge {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: #f7f9fb;
    color: var(--c-primary);
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
  }

  .role-compare__bridge-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--c-primary);
    color: var(--c-primary);
    font-size: 14px;
  }

  .role-compare__bridge-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--c-primary);
    letter-spacing: .15em;
  }

  @media screen and (max-width:640px) {
    .role-compare {
      grid-template-columns: 1fr;
    }

    .role-compare__bridge {
      flex-direction: row;
      padding: 12px 0;
      border-left: none;
      border-right: none;
    }

    .role-compare__bridge-icon {
      transform: rotate(90deg);
    }
  }


  /* -------------------------------------------------------------
   4. SoR分担マトリクス表（プレーンな表形式ではなくカード風）
   ------------------------------------------------------------- */
  .sor-table {
    display: block;
    margin: 28px 0 8px;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
  }

  .sor-table__row {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1.6fr;
    align-items: center;
    gap: 0;
    padding: 0;
    border-bottom: 1px solid var(--c-border);
  }

  .sor-table__row:last-child {
    border-bottom: none;
  }

  .sor-table__row--head {
    background: linear-gradient(135deg, #003288, #0060e4);
    color: #fff;
  }

  .sor-table__row--head .sor-table__cell {
    padding: 12px 18px;
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: .05em;
    color: #fff;
  }

  .sor-table__cell {
    padding: 14px 18px;
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--c-text-sub);
  }

  .sor-table__cell--center {
    text-align: center;
  }

  .sor-table__row:not(.sor-table__row--head):hover {
    background: #f7f9fb;
  }

  .sor-pill {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .05em;
    color: #fff;
    font-family: 'Roboto', sans-serif;
    white-space: nowrap;
  }

  .sor-pill--plm {
    background: linear-gradient(135deg, #003288, #0060e4);
  }

  .sor-pill--erp {
    background: linear-gradient(135deg, #02193D, #124074);
  }

  .sor-pill--split {
    background: linear-gradient(135deg, #5a6b82, #7a8697);
  }

  .sor-table__note {
    margin: 6px 0 32px;
    font-size: 12px;
    color: var(--c-text-sub);
    text-align: right;
  }

  @media screen and (max-width:640px) {
    .sor-table__row {
      grid-template-columns: 1fr;
      padding: 14px 0;
    }

    .sor-table__row--head {
      display: none;
    }

    .sor-table__cell {
      padding: 4px 18px;
    }

    .sor-table__cell--center {
      text-align: left;
      padding: 4px 18px;
    }

    .sor-table__cell:first-child::before {
      display: block;
      content: '対象データ';
      font-size: 10px;
      color: var(--c-primary);
      font-weight: 700;
      letter-spacing: .08em;
      margin-bottom: 2px;
    }

    .sor-table__cell:nth-child(2)::before {
      display: block;
      content: '主な正の所在';
      font-size: 10px;
      color: var(--c-primary);
      font-weight: 700;
      letter-spacing: .08em;
      margin-top: 6px;
      margin-bottom: 2px;
    }

    .sor-table__cell:nth-child(3)::before {
      display: block;
      content: '整理のポイント';
      font-size: 10px;
      color: var(--c-primary);
      font-weight: 700;
      letter-spacing: .08em;
      margin-top: 6px;
      margin-bottom: 2px;
    }
  }


  /* -------------------------------------------------------------
   5. ホワイトペーパー誘導カウトアウト（本文中インライン）
   既存の callout-related より存在感を強めたパターン
   ------------------------------------------------------------- */
  .wp-callout {
    position: relative;
    display: flex;
    gap: 20px;
    align-items: stretch;
    margin: 36px 0;
    padding: 24px 26px;
    background: linear-gradient(135deg, #f6f9fd 0%, #ffffff 55%);
    border: 1px solid #d8e3ef;
    border-left: 5px solid var(--c-accent);
    border-radius: var(--radius);
    overflow: hidden;
  }

  .wp-callout::after {
    content: '';
    position: absolute;
    right: -40px;
    top: -40px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: radial-gradient(circle at center, rgba(0, 96, 228, .08), transparent 70%);
    pointer-events: none;
  }

  .wp-callout__badge {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: linear-gradient(135deg, #003288, #0060e4);
    color: #fff;
    font-size: 22px;
    box-shadow: 0 6px 18px -6px rgba(0, 50, 136, .4);
  }

  .wp-callout__body {
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
  }

  .wp-callout__label {
    margin: 0 0 4px;
    padding: 0;
    font-size: 11px;
    font-weight: 700;
    color: var(--c-accent);
    letter-spacing: .1em;
  }

  .wp-callout__ttl {
    margin: 0 0 8px;
    padding: 0;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.55;
    color: var(--c-text);
  }

  .wp-callout__ttl strong {
    color: var(--c-primary);
    background: linear-gradient(transparent 62%, rgba(0, 96, 228, .15) 62%);
    padding: 0 2px;
  }

  .wp-callout__desc {
    margin: 0 0 14px;
    font-size: 13.5px;
    line-height: 1.85;
    color: var(--c-text-sub);
  }

  .wp-callout__desc strong {
    color: var(--c-primary);
  }

  .wp-callout__btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 11px 22px;
    background: linear-gradient(135deg, #003288, #0060e4);
    color: #fff;
    border-radius: 100px;
    font-size: 13.5px;
    font-weight: 700;
    text-decoration: none;
    transition: transform .2s, box-shadow .2s;
    box-shadow: 0 6px 18px -8px rgba(0, 50, 136, .5);
  }

  .wp-callout__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 22px -8px rgba(0, 50, 136, .6);
    color: #fff;
  }

  .wp-callout__btn .fa-arrow-right-long {
    transition: transform .2s;
  }

  .wp-callout__btn:hover .fa-arrow-right-long {
    transform: translateX(4px);
  }

  @media screen and (max-width:640px) {
    .wp-callout {
      flex-direction: column;
      padding: 22px 20px;
      gap: 14px;
    }

    .wp-callout__badge {
      width: 48px;
      height: 48px;
      font-size: 20px;
    }

    .wp-callout__ttl {
      font-size: 16px;
    }

    .wp-callout__btn {
      width: 100%;
      justify-content: center;
      padding: 12px 18px;
    }
  }


  /* -------------------------------------------------------------
   6. デジタルスレッド概念図（横並びフロー・繋ぎ線付き）
   ------------------------------------------------------------- */
  .digital-thread {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
    align-items: center;
    margin: 32px 0 6px;
    padding: 24px 12px 26px;
    background: linear-gradient(135deg, #f6f9fd, #ffffff);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
  }

  .digital-thread__line {
    position: absolute;
    left: 8%;
    right: 8%;
    top: calc(50% - 4px);
    height: 3px;
    background: linear-gradient(90deg, #003288, #0060e4, #01568f, #0060e4, #003288);
    z-index: 0;
    border-radius: 100px;
    opacity: .28;
  }

  .digital-thread__step {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-align: center;
  }

  .digital-thread__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--c-primary);
    color: var(--c-primary);
    font-size: 20px;
    box-shadow: 0 4px 12px -4px rgba(0, 50, 136, .25);
    transition: transform .3s, box-shadow .3s;
  }

  .digital-thread__step:hover .digital-thread__icon {
    transform: translateY(-3px);
    box-shadow: 0 8px 16px -4px rgba(0, 50, 136, .35);
    background: linear-gradient(135deg, #003288, #0060e4);
    color: #fff;
  }

  .digital-thread__label {
    font-size: 12.5px;
    font-weight: 700;
    color: var(--c-primary);
    line-height: 1.4;
    letter-spacing: .02em;
  }

  .digital-thread__caption {
    margin: 0 0 36px;
    font-size: 12.5px;
    color: var(--c-text-sub);
    line-height: 1.7;
    text-align: center;
  }

  @media screen and (max-width:640px) {
    .digital-thread {
      grid-template-columns: repeat(5, 1fr);
      gap: 6px;
      padding: 22px 8px;
    }

    .digital-thread__icon {
      width: 44px;
      height: 44px;
      font-size: 16px;
      border-width: 2px;
    }

    .digital-thread__label {
      font-size: 10.5px;
    }

    .digital-thread__line {
      left: 12%;
      right: 12%;
      top: calc(50% - 8px);
      height: 2px;
    }
  }


  /* -------------------------------------------------------------
   7. デジタルスレッドがもたらす4つのメリット（番号付きカード）
   ------------------------------------------------------------- */
  .merit-flow {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 24px 0 40px;
  }

  .merit-flow__card {
    position: relative;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 20px 22px 20px;
    overflow: hidden;
    transition: transform .3s, box-shadow .3s;
  }

  .merit-flow__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--c-primary), var(--c-accent));
  }

  .merit-flow__card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
  }

  .merit-flow__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
  }

  .merit-flow__no {
    font-family: 'Roboto', sans-serif;
    font-size: 34px;
    font-weight: 700;
    color: var(--c-primary);
    opacity: .22;
    line-height: 1;
    letter-spacing: -.03em;
  }

  .merit-flow__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f4f8fd, #eaf1fa);
    color: var(--c-primary);
    font-size: 17px;
    border: 1px solid #d8e3ef;
  }

  .merit-flow__ttl {
    font-size: 15.5px;
    font-weight: 700;
    line-height: 1.55;
    color: var(--c-primary);
    margin: 0 0 8px;
  }

  .merit-flow__desc {
    font-size: 13.5px;
    line-height: 1.85;
    color: var(--c-text-sub);
    margin: 0;
  }

  .merit-flow__desc strong {
    color: var(--c-primary);
  }

  @media screen and (max-width:640px) {
    .merit-flow {
      grid-template-columns: 1fr;
    }
  }


  /* -------------------------------------------------------------
   8. 「乗り越えるための3つの視点」カード
   ------------------------------------------------------------- */
  .viewpoint-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 24px 0 36px;
  }

  .viewpoint-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 22px 26px 22px;
    transition: transform .3s, box-shadow .3s;
  }

  .viewpoint-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }

  .viewpoint-card__num {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 10px;
    padding: 4px 12px;
    background: linear-gradient(135deg, #003288, #0060e4);
    color: #fff;
    border-radius: 4px;
    font-family: 'Roboto', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .1em;
  }

  .viewpoint-card__num span {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .03em;
  }

  .viewpoint-card__ttl {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.55;
    color: var(--c-text);
    margin: 0 0 10px;
  }

  .viewpoint-card__desc {
    font-size: 14px;
    line-height: 1.9;
    color: var(--c-text-sub);
    margin: 0 0 12px;
  }

  .viewpoint-card__desc strong {
    color: var(--c-primary);
  }

  .viewpoint-card__note {
    padding: 12px 16px;
    background: #f7f9fb;
    border-left: 3px solid var(--c-accent);
    border-radius: 0 4px 4px 0;
    font-size: 12.5px;
    line-height: 1.8;
    color: var(--c-text-sub);
  }

  .viewpoint-card__note-label {
    display: inline-block;
    margin-right: 8px;
    padding: 1px 8px;
    background: var(--c-accent);
    color: #fff;
    border-radius: 2px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .05em;
    vertical-align: 1px;
  }
  
/* -------------------------------------------------------------
   9. まとめセクション「NSWがパートナーとして支援」ブロック
   ------------------------------------------------------------- */
.nsw-partner{
  display:flex;
  gap:22px;
  align-items:flex-start;
  margin:32px 0 24px;
  padding:26px 28px;
  background:linear-gradient(135deg,#02193D 0%, #003288 55%, #01568f 100%);
  border-radius:var(--radius);
  color:#fff;
  overflow:hidden;
  position:relative;
}
.nsw-partner::before{
  content:'';
  position:absolute;
  right:-60px;top:-60px;
  width:220px;height:220px;
  border-radius:50%;
  background:radial-gradient(circle at center, rgba(0,96,228,.35), transparent 70%);
  pointer-events:none;
}
.nsw-partner__badge{
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:64px;height:64px;
  border-radius:50%;
  background:rgba(255,255,255,.12);
  border:2px solid rgba(255,255,255,.35);
  color:#fff;
  font-size:24px;
}
.nsw-partner__body{
  flex:1;
  min-width:0;
  position:relative;
  z-index:1;
}
.nsw-partner__label{
  display:inline-block;
  margin:0 0 8px;
  padding:3px 12px;
  background:rgba(255,255,255,.18);
  border-radius:100px;
  font-size:11px;
  font-weight:700;
  letter-spacing:.08em;
  color:#fff;
}
.nsw-partner__ttl{
  margin:0 0 10px;
  font-size:20px;
  font-weight:700;
  line-height:1.55;
  color:#fff;
}
.nsw-partner__desc{
  margin:0;
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.9);
}
.nsw-partner__desc strong{
  color:#fff;
  background:linear-gradient(transparent 60%, rgba(255,255,255,.22) 60%);
  padding:0 2px;
}
@media screen and (max-width:640px){
  .nsw-partner{
    flex-direction:column;
    padding:22px 20px;
    gap:14px;
  }
  .nsw-partner__badge{
    width:52px;height:52px;
    font-size:20px;
  }
  .nsw-partner__ttl{
    font-size:17px;
  }
}
/* =============================================================
   SIDEBAR WIDGETS — style_c_add.css 追記分
   既存クラスを一切上書きしません。
   ============================================================= */

/* -------------------------------------------------------------
   SW-1. サイドバー共通ウィジェット枠
   .side-toc / .side-cta の構造を踏襲
   ------------------------------------------------------------- */
.side-widget {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 9px 18px;
  margin-bottom: 16px;
  font-size: 12.5px;
}

.side-widget__head {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--c-border);
  font-size: 11px;
  font-weight: 700;
  color: var(--c-primary);
  letter-spacing: .1em;
}

.side-widget__head i {
  color: var(--c-accent);
  font-size: 12px;
}

.side-widget2 {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 0px 0px;
  margin-bottom: 16px;
  font-size: 12.5px;
}

.side-widget2__head {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--c-border);
  font-size: 11px;
  font-weight: 700;
  color: var(--c-primary);
  letter-spacing: .1em;
}

.side-widget2__head i {
  color: var(--c-accent);
  font-size: 12px;
}

/* -------------------------------------------------------------
   SW-2. コラムランキング
   ------------------------------------------------------------- */
.side-ranking {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.side-ranking__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--c-border);
}

.side-ranking__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* 順位バッジ */
.side-ranking__num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  font-family: 'Roboto', sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: var(--c-gray);
  line-height: 1;
  margin-top: 1px;
}

/* 1〜3位は色分け */
.side-ranking__item:nth-child(1) .side-ranking__num {
  background: linear-gradient(135deg, #c8960c, #f0b429);
}

.side-ranking__item:nth-child(2) .side-ranking__num {
  background: linear-gradient(135deg, #6b7280, #9ca3af);
}

.side-ranking__item:nth-child(3) .side-ranking__num {
  background: linear-gradient(135deg, #92400e, #b45309);
}

.side-ranking__body {
  flex: 1;
  min-width: 0;
}

.side-ranking__title {
  display: block;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-text);
  text-decoration: none;
  margin-bottom: 4px;
  transition: color .2s;
  /* 3行で省略 */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.side-ranking__title:hover {
  color: var(--c-accent);
}

.side-ranking__tag {
  display: inline-block;
  padding: 1px 7px;
  background: var(--c-gray-light);
  color: var(--c-primary);
  border-radius: 100px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .04em;
}

/* -------------------------------------------------------------
   SW-3. セミナー誘導（リンク形式）
   ------------------------------------------------------------- */
.side-seminar-links {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.side-seminar-links__item {
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--c-border);
}

.side-seminar-links__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.side-seminar-links__date {
  display: block;
  font-size: 10px;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: .05em;
  margin-bottom: 2px;
}

.side-seminar-links__title {
  display: block;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-text);
  text-decoration: none;
  transition: color .2s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.side-seminar-links__title:hover {
  color: var(--c-accent);
}

/* セミナーなし期間の表示 */
.side-seminar-links__empty {
  font-size: 12px;
  color: var(--c-gray);
  line-height: 1.6;
  margin: 0 0 12px;
}

/* -------------------------------------------------------------
   SW-4. セミナー誘導（バナー形式）
   ------------------------------------------------------------- */
.side-seminar-banners {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.side-seminar-banners__item a {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  transition: opacity .2s, transform .2s;
}

.side-seminar-banners__item a:hover {
  opacity: .88;
  transform: translateY(-2px);
}

.side-seminar-banners__item img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0;
}

/* -------------------------------------------------------------
   SW-5. 別サイト誘導バナー
   ------------------------------------------------------------- */
.side-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.side-links__item a {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  transition: opacity .2s, transform .2s;
  box-shadow: var(--shadow-sm);
}

.side-links__item a:hover {
  opacity: .88;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.side-links__item img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0;
}

/* -------------------------------------------------------------
   SW-6. サイドバー全体の sticky ラッパー
   .article-side（既存）の中に入れる inner ラッパー
   ------------------------------------------------------------- */
.side-sticky {
  position: sticky;
  top: 88px;
}

/* -------------------------------------------------------------
   SW-7. レスポンシブ：1100px以下でサイドバー非表示
   既存 .article-with-side の @media と同じブレークポイント
   ------------------------------------------------------------- */
@media screen and (max-width: 1100px) {
  /* 既存の .article-with-side > .article-side { display:none }
     で制御済みのため、追記不要。
     side-widget 単体で使う場合のフォールバック用に念のため記載。 */
  .side-sticky {
    position: static;
  }
}