/* ================================================================
   DIRECTOR'S BANK 導入事例（CASE）スタイル
   - TOPカルーセル / 一覧ページ / 詳細ページ 共通
   - styles.css のトークン(--red 等)と併用
   ================================================================ */
:root {
  --case-red: var(--red, #e60012);
  --case-ink: #1b1b1f;
  --case-sub: #7b7f86;
  --case-line: #e7e8ea;
  --case-bg: #ffffff;
  --case-radius: 12px;
  --case-container: 1200px;
  --case-font: "Noto Sans JP", -apple-system, sans-serif;
  --case-display: "Bebas Neue", sans-serif;
}

/* 共通ラッパ */
.case-wrap {
  width: min(100% - 48px, var(--case-container));
  margin-inline: auto;
}

/* 共通：セクション見出し（CASE ラベル） */
/* 他セクションの見出しラベル（TROUBLE等 = .issues-label）と同じ大きさ・太さ・フォントに統一 */
.case-eyebrow {
  font-size: var(--section-label-size);
  letter-spacing: 0.12em;
  color: var(--case-red);
  font-weight: 950;
  line-height: 1;
  text-align: center;
  margin: 0;
}
.case-eyebrow::after {
  content: "";
  display: block;
  width: 132px;
  height: 2px;
  margin: 28px auto 0;
  background: var(--case-red);
}

/* ============================================================
   1) TOP カルーセルセクション
   ============================================================ */
.case-sec {
  background: #fff url("./assets/case-background.svg") top center / 100% auto no-repeat;
  padding: 96px 0 92px;
  position: relative;
  overflow: hidden;
}
.case-sec-head {
  text-align: center;
  margin-bottom: 44px;
}
.case-sec-title {
  font-family: var(--case-font);
  font-size: 46px;
  font-weight: 900;
  color: var(--case-ink);
  letter-spacing: 0.04em;
  margin: 22px 0 0;
  line-height: 1.2;
}
.case-sec-lead {
  margin: 20px 0 0;
  color: #4a4d53;
  font-size: 16px;
  line-height: 1.9;
}

/* 装飾（斜線・ドット） */
.case-deco {
  position: absolute;
  pointer-events: none;
  opacity: 0.5;
}
.case-deco-dots {
  right: 40px;
  top: 60px;
  width: 150px;
  height: 120px;
  background-image: radial-gradient(#d7d9dd 2px, transparent 2px);
  background-size: 16px 16px;
}
.case-deco-line {
  left: 0;
  top: 0;
  width: 180px;
  height: 180px;
  background: linear-gradient(115deg, transparent 46%, var(--case-red) 47%, var(--case-red) 49%, transparent 50%);
  opacity: 0.35;
}

/* カルーセル本体 */
.case-carousel {
  display: flex;
  gap: 28px;
  overflow-x: auto;
  padding: 8px 0 6px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.case-carousel::-webkit-scrollbar {
  display: none;
}
.case-carousel > * {
  flex: 0 0 auto;
}

/* ============================================================
   共通：事例カード
   ============================================================ */
.db-case-card {
  display: flex;
  flex-direction: column;
  width: 360px;
  background: var(--case-bg);
  border-radius: var(--case-radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 10px 30px rgba(20, 20, 30, 0.08);
  transition: transform 220ms ease, box-shadow 220ms ease;
  border: 1px solid #f0f0f2;
}
.db-case-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 44px rgba(20, 20, 30, 0.16);
}
.db-case-card-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #eee;
}
.db-case-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 500ms ease;
}
.db-case-card:hover .db-case-card-img img {
  transform: scale(1.05);
}
.db-case-card-body {
  position: relative;
  flex: 1 1 auto;
  /* タイトルが1〜2行でもカード高さを揃える／矢印の下に余白を確保 */
  min-height: 156px;
  padding: 22px 22px 30px;
}
.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.case-tag {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--case-red);
  border: 1.5px solid var(--case-red);
  border-radius: 4px;
  padding: 3px 12px;
  line-height: 1.4;
}
.db-case-card-title {
  margin: 14px 0 4px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0;
  color: var(--case-ink);
  line-height: 1.3;
  /* 右下の矢印ボタン(42px)と重ならないよう右に余白を確保。
     サブタイトルが無いカードでもタイトル末尾が矢印に潜り込まない。 */
  padding-right: 56px;
}
.db-case-card-sub {
  margin: 0;
  font-size: 13.5px;
  color: var(--case-sub);
  line-height: 1.5;
  padding-right: 52px;
}
/* 右下の矢印ボタン（黒四角＋赤オフセット） */
.db-case-card-arrow {
  position: absolute;
  right: 22px;
  bottom: 22px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: #16171b;
  color: #fff;
  font-size: 18px;
  border-radius: 3px;
  box-shadow: 5px 5px 0 var(--case-red);
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.db-case-card:hover .db-case-card-arrow {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--case-red);
}

/* ============================================================
   カルーセル操作（矢印・ドット）
   ============================================================ */
.case-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  margin-top: 40px;
}
.case-arrow-btn {
  width: 52px;
  height: 52px;
  border: 1.5px solid #cfd1d5;
  background: #fff;
  display: grid;
  place-items: center;
  font-size: 20px;
  color: #16171b;
  cursor: pointer;
  border-radius: 4px;
  transition: all 180ms ease;
}
.case-arrow-btn:hover {
  border-color: var(--case-red);
  color: var(--case-red);
}
.case-arrow-btn:disabled {
  opacity: 0.3;
  cursor: default;
  border-color: #cfd1d5;
  color: #16171b;
}
.case-dots {
  display: flex;
  gap: 12px;
  align-items: center;
}
.case-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #d3d5d9;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background 180ms ease, transform 180ms ease;
}
.case-dot[aria-current="true"] {
  background: var(--case-red);
  transform: scale(1.15);
}

/* 「導入事例一覧を見る」ボタン */
.case-morewrap {
  text-align: center;
  margin-top: 56px;
}
.case-more-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 360px;
  padding: 20px 52px;
  background: #fff;
  border: 1.5px solid #16171b;
  color: #16171b;
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 6px 6px 0 var(--case-red);
  transition: transform 180ms ease, box-shadow 180ms ease;
}
.case-more-btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--case-red);
}
/* 文字はボタン中央、矢印は右端に固定 */
.case-more-btn .a {
  position: absolute;
  right: 32px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--case-red);
  font-size: 20px;
}

/* ============================================================
   2) 一覧ページ / 詳細ページ 共通ページヘッダー（黒帯）
   ============================================================ */
.case-page {
  background: #fff;
  color: var(--case-ink);
  min-width: auto;
}
.case-phero {
  background: #16171b;
  color: #fff;
  text-align: center;
  /* 固定ヘッダー(112px)の下に隠れないよう上部を確保＋モック同様に高さを出す */
  padding: 176px 24px 78px;
}
.case-phero .case-eyebrow {
  color: var(--case-red);
}
.case-phero-title {
  font-family: var(--case-font);
  font-size: 44px;
  font-weight: 900;
  /* styles.css の h1{max-width:960px;margin:0} を打ち消して中央寄せ */
  max-width: none;
  margin: 20px auto 0;
  letter-spacing: 0.04em;
  text-shadow: none;
}
.case-phero-sub {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15.5px;
  line-height: 1.85;
}

/* ============================================================
   一覧ページ：絞り込み・グリッド
   ============================================================ */
.case-list-main {
  padding: 56px 0 90px;
}
.case-filter {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.case-select {
  position: relative;
}
.case-select select {
  appearance: none;
  -webkit-appearance: none;
  min-width: 240px;
  padding: 15px 44px 15px 20px;
  border: 1.5px solid #d7d9dd;
  border-radius: 8px;
  background: #fff;
  font-size: 14.5px;
  color: var(--case-ink);
  font-family: var(--case-font);
  cursor: pointer;
}
.case-select::after {
  content: "▾";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  font-size: 13px;
  color: #9a9da2;
}
.case-reset {
  border: none;
  background: none;
  color: #6a6d73;
  font-size: 14.5px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-left: auto;
}
.case-reset svg {
  width: 22px;
  height: 22px;
}
.case-reset:hover {
  color: var(--case-red);
}
.case-countrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--case-line);
  padding-top: 20px;
  margin-bottom: 30px;
}
.case-count {
  font-size: 14.5px;
  color: #4a4d53;
}
.case-count b {
  color: var(--case-red);
  font-size: 18px;
  margin: 0 3px;
}
.case-sort {
  font-size: 14px;
  color: #6a6d73;
}

/* 並び順セレクト */
.case-sortwrap {
  position: relative;
}
.case-sort-select {
  appearance: none;
  -webkit-appearance: none;
  padding: 9px 32px 9px 14px;
  border: 1px solid #d7d9dd;
  border-radius: 8px;
  background: #fff;
  font-size: 14px;
  color: #4a4d53;
  cursor: pointer;
  font-family: var(--case-font);
}
.case-sortwrap::after {
  content: "▾";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: #9a9da2;
  font-size: 11px;
}

/* 複数選択プルダウン */
.case-msel {
  position: relative;
  width: 240px;
}
.case-msel-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 15px 18px;
  border: 1.5px solid #d7d9dd;
  border-radius: 8px;
  background: #fff;
  font-size: 14.5px;
  color: var(--case-ink);
  font-family: var(--case-font);
  cursor: pointer;
  text-align: left;
}
.case-msel.has-sel .case-msel-btn {
  border-color: var(--case-red);
}
.case-msel-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.case-msel-arrow {
  color: #9a9da2;
  font-size: 12px;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.case-msel-btn[aria-expanded="true"] .case-msel-arrow {
  transform: rotate(180deg);
}
.case-msel-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 100%;
  background: #fff;
  border: 1px solid #e2e3e6;
  border-radius: 10px;
  box-shadow: 0 14px 34px rgba(20, 20, 30, 0.16);
  padding: 8px;
  z-index: 15; /* 固定ヘッダー(z:20)より下にして突き抜けを防止 */
  max-height: 300px;
  overflow: auto;
}
.case-msel-opt {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 12px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--case-ink);
  cursor: pointer;
  white-space: nowrap;
}
.case-msel-opt:hover {
  background: #f6f6f7;
}
.case-msel-opt input {
  width: 17px;
  height: 17px;
  accent-color: var(--case-red);
  cursor: pointer;
  flex-shrink: 0;
}
.case-msel-optlabel {
  flex: 1;
}
.case-msel-count {
  flex-shrink: 0;
  min-width: 22px;
  text-align: right;
  color: #9a9da2;
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 1fr; /* 全カードの高さを揃える（行ごとに最大高で統一） */
  gap: 30px;
}
.case-grid .db-case-card {
  width: auto;
}
.case-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: #9a9da2;
  padding: 60px 0;
  font-size: 15px;
}

/* ============================================================
   詳細ページ
   ============================================================ */
.case-detail-main {
  padding: 52px 0 20px;
}
.case-detail-narrow {
  width: min(100% - 48px, 860px);
  margin-inline: auto;
}
.case-detail-hero-img {
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #eee;
  margin-bottom: 34px;
}
.case-detail-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.case-metatable {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 46px;
}
.case-metarow {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #f7f7f8;
  border-radius: 8px;
  padding: 14px 20px;
}
.case-metarow > .k {
  font-size: 14px;
  font-weight: 700;
  color: #4a4d53;
  min-width: 120px;
}
.case-metarow .case-tag {
  font-size: 12.5px;
}
.case-block {
  margin-bottom: 44px;
}
.case-block-eyebrow {
  font-family: var(--case-display);
  font-size: 15px;
  letter-spacing: 0.14em;
  color: var(--case-red);
  margin: 0 0 6px;
}
.case-block-title {
  font-size: 25px;
  font-weight: 800;
  color: var(--case-ink);
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 2px solid #efeff1;
}
.case-block-body {
  font-size: 15.5px;
  line-height: 2;
  color: #33363b;
}
.case-scope-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.case-scope-list li {
  position: relative;
  padding-left: 26px;
  font-size: 15.5px;
  line-height: 1.7;
  color: #33363b;
}
.case-scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 12px;
  background: var(--case-red);
  border-radius: 2px;
}
.case-gallery {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.case-gallery img {
  width: 100%;
  border-radius: 10px;
  display: block;
}

/* ============================================================
   共通CTA（一覧・詳細の下部）
   ============================================================ */
.case-cta {
  background: #16171b;
  padding: 76px 24px 88px;
  text-align: center;
}
.case-cta-title {
  color: #fff;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.55;
  margin: 0 0 34px;
}
.case-cta-card {
  width: min(100% - 0px, 760px);
  margin-inline: auto;
  background: #fff;
  border-radius: 12px;
  padding: 40px 40px 44px;
}
.case-cta-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--case-red);
  margin-bottom: 18px;
}
.case-cta-divider::before,
.case-cta-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: #e3b7ba;
}
.case-cta-divider .ico {
  display: inline-flex;
  color: var(--case-red);
}
.case-cta-divider .ico svg,
.case-cta-divider .ico img {
  display: block;
  width: 86px;
  height: auto;
}
.case-cta-note {
  font-size: 14px;
  color: #4a4d53;
  line-height: 1.9;
  margin: 0 0 26px;
}
.case-cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.case-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 34px;
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
  border-radius: 7px;
  min-width: 300px;
  justify-content: center;
}
.case-cta-btn .cta-btn-ico {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.case-cta-btn .cta-btn-arrow {
  font-size: 18px;
}
.case-cta-btn.dark {
  background: #16171b;
  color: #fff;
}
.case-cta-btn.red {
  background: var(--case-red);
  color: #fff;
}

/* パンくず */
.case-breadcrumb {
  background: #f2f3f4;
  padding: 14px 0;
}
.case-breadcrumb .case-wrap {
  font-size: 13px;
  color: #6a6d73;
}
.case-breadcrumb a {
  color: #6a6d73;
  text-decoration: none;
}
.case-breadcrumb a:hover {
  color: var(--case-red);
}
.case-breadcrumb .sep {
  margin: 0 10px;
  color: #b7babf;
}

/* ============================================================
   レスポンシブ（簡易・SP）
   ============================================================ */
@media (max-width: 900px) {
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}
@media (max-width: 600px) {
  .case-sec {
    padding: 60px 0 56px;
  }
  .case-sec-title {
    font-size: 32px;
  }
  .db-case-card {
    width: 78vw;
    max-width: 320px;
  }
  .case-grid {
    grid-template-columns: 1fr;
  }
  .case-phero-title {
    font-size: 28px;
  }
  .case-filter {
    gap: 12px;
  }
  .case-select select {
    min-width: 0;
    width: 100%;
  }
  .case-select {
    flex: 1 1 100%;
  }
  .case-msel {
    flex: 1 1 100%;
    width: 100%;
  }
  .case-reset {
    margin-left: 0;
  }
  .case-cta-card {
    padding: 28px 20px 30px;
  }
  .case-cta-btn {
    min-width: 0;
    width: 100%;
  }
  .case-morewrap {
    padding: 0 20px;
    margin-top: 40px;
  }
  .case-more-btn {
    min-width: 0;
    width: 100%;
    padding: 17px 22px;
    font-size: 15px;
  }
  .case-more-btn .a {
    right: 20px;
  }
}