/* =========================================================
   CASE SINGLE PAGE 
========================================================= */

/* ===== レイアウト ===== */
.site-main.case {
  padding-top: 1rem;
  background-color: var(--color-bg-alt);
}

.case-container {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  gap: 2rem;
  padding: 0 20px 80px;
}

.case-main {
  flex: 1 1 66.6666%;
}

.case-sidebar {
  flex: 0 0 33.3333%;
}

/* ===== パンくず ===== */
.breadcrumb {
  background-color: var(--color-white);
  font-size: 14px;
  padding: 12px 0;
  margin-bottom: 30px;
}

.breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.breadcrumb-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em;
  margin: 0;
  padding: 0;
}

.breadcrumb-item::after {
  content: ">";
  margin: 0 0.5em;
  color: var(--color-text-light);
}

.breadcrumb-item:last-child::after {
  content: "";
}

.breadcrumb-item a {
  color: var(--color-primary);
  text-decoration: none;
}

.breadcrumb-item a:hover {
  text-decoration: underline;
}

/* ===== 記事タイトル ===== */
.case-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin: 0 0 1.5rem;
  color: var(--color-text);
}

/* ===== 記事ボックス ===== */
.case-article {
  background: var(--color-white);
  padding: 2rem;
  border-radius: 8px;
}

.case-eyecatch {
  margin-bottom: 2rem;
  border-radius: 8px;
  overflow: hidden;
}

.case-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
}

/* ===== 要約 ===== */
.case-summary {
  background: var(--color-bg);
  padding: 1.5rem;
  margin: 2.5rem 0;
  border-radius: 6px;
}

.case-summary-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}

.case-summary-list {
  list-style: none;
  padding-left: 0;
  margin: 1em 0;
  font-size: 13px;
  color: var(--color-text);
}

.case-summary-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5em;
  margin-bottom: 0.5em;
  line-height: 1.5;
}

.case-check-icon {
  color: var(--color-primary);
  font-weight: bold;
  font-size: 1em;
  margin-top: 0.15em;
  flex-shrink: 0;
}

/* ===== サイドバー・企業情報 ===== */
.case-company {
  position: sticky;
  top: 6rem;
  background: var(--color-white);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.case-logo {
  margin-bottom: 1rem;
  text-align: center;
}

.case-logo img {
  height: 80px;
  width: auto;
  object-fit: contain;
}

.case-table {
  width: 100%;
  font-size: 0.9rem;
  border-collapse: collapse;
  margin-top: 20px;
}

.case-table th,
.case-table td {
  padding: 10px 0;
  line-height: 1.6;
  vertical-align: top;
  text-align: left;
  border: none;
}

.case-table th {
  width: 90px;
  color: var(--color-text-light);
  font-weight: bold;
}

.case-table td {
  color: var(--color-text);
}

/* =========================================================
   CASE CONTENT（本文要素）
========================================================= */

/* ===== リード文 ===== */
.interview-lead {
  font-size: 1.1rem;
  line-height: 1.9;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-bg-alt);
  padding: 1.5rem 2rem;
  border-left: 4px solid var(--color-primary);
  border-radius: 6px;
  margin-bottom: 3rem;
}

/* ===== 見出し ===== */
h2.case {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-primary);
  border-left: 6px solid var(--color-primary);
  padding-left: 0.75rem;
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

/* ===== 本文 ===== */
.case-answer {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text);
  margin-bottom: 2rem;
}

/* ===== 強調マーカー ===== */
.case-marker {
  background: linear-gradient(transparent 60%, rgba(255, 235, 59, 0.7) 60%);
  font-weight: 600;
}

/* ===== 画像 ===== */
.case-answer img,
.case-content img {
  display: block;
  margin: 2rem auto;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

/* ===== YouTube埋め込み（WordPress embed対応） ===== */
.case-content iframe,
.case-answer iframe {
  display: block;
  width: 100%;
  max-width: 800px;
  height: 450px;
  margin: 2rem auto;
  border-radius: 8px;
  border: none;
}

/* ===== 質問見出し ===== */
.case-question {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-dark);
  margin-top: 2.5rem;
  margin-bottom: 0.8rem;
  line-height: 1.7;
  background: var(--color-bg-alt);
  padding: 0.8rem 1rem;
  border-left: 4px solid var(--color-primary);
  border-radius: 4px;
}

/* ===== 発言者名（会話トーン用） ===== */
.speaker-name {
  display: inline-block;
  font-weight: 700;
  color: var(--color-secondary);
  margin-right: 0.3em;
}

/* ===== 画像余白最適化 ===== */
.case-answer img.aligncenter {
  display: block;
  margin: 2rem auto;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

/* ===== 段落の余白・行間調整 ===== */
.case-answer {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text);
  margin-bottom: 2rem;
}

/* ===== リード文調整（既存補完） ===== */
.interview-lead {
  margin-bottom: 3rem;
}

/* =========================================================
   RESPONSIVE
========================================================= */
@media screen and (max-width: 1024px) {
  .case-container {
    flex-direction: column;
  }

  .case-main,
  .case-sidebar {
    width: 100%;
  }

  .case-company {
    position: static;
  }
}

@media screen and (max-width: 768px) {
  .interview-lead {
    font-size: 1rem;
    padding: 1.25rem 1.5rem;
  }

  h2.case {
    font-size: 1.3rem;
  }
}

/* =========================================================
   CASE MARKER ANIMATION
========================================================= */

/* 初期状態：マーカー非表示（width 0% 相当） */
.case-marker {
  background: linear-gradient(transparent 60%, rgba(255, 235, 59, 0.7) 60%);
  background-size: 0% 100%;
  background-repeat: no-repeat;
  transition: background-size 1s ease-out;
  font-weight: 600;
}

/* ビューポートに入ったら塗り広がる */
.case-marker.is-visible {
  background-size: 100% 100%;
}

/* =========================================================
   CASE STUDY CTA (CONTENT INLINE)
========================================================= */

/* デフォルト：PC想定 */
.case-study-banner-sp {
  display: none;
}

/* SP表示 */
@media screen and (max-width: 768px) {
  .case-study-banner-pc {
    display: none;
  }

  .case-study-banner-sp {
    display: block;
  }
}