/* ===================================
   CASES PAGE STYLES
   事例一覧・詳細ページ専用スタイル（エディトリアル刷新版）
/* ============================================================
   Cases Page — Editorial
============================================================ */

/* ---- Cases Lead ---- */
.cases_lead {
  position: relative;
  padding: 56px 24px 40px;
  background: var(--white-color, #fff);
  overflow: hidden;
}
@media (min-width: 768px) {
  .cases_lead { padding: 72px 64px 56px; }
}
@media (min-width: 1080px) {
  .cases_lead { padding: 88px 100px 64px; }
}

.cases_lead::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 2px; height: 64px;
  background: var(--accent-color, #4D76FF);
}

.cases_lead .top_container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 0;
  padding-right: 0;
  position: relative;
}

.cases_lead_inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 0;
  border: none;
  max-width: none;
}
@media (min-width: 768px) {
  .cases_lead_inner {
    grid-template-columns: 200px 1fr;
    gap: 40px;
    padding-top: 16px;
    border-top: 1px solid var(--line-color, #d5dae5);
  }
}
@media (min-width: 1080px) {
  .cases_lead_inner {
    grid-template-columns: 240px 1fr;
    gap: 56px;
    padding-top: 20px;
  }
}

.cases_lead_left { position: relative; }

.cases_lead_eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: "Cormorant Garamond", "Zen Old Mincho", serif;
  font-style: italic;
  font-weight: 400;
  font-size: 12px;
  letter-spacing: .32em;
  color: var(--accent-color, #4D76FF);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.cases_lead_eyebrow::before {
  content: "";
  width: 32px; height: 1px;
  background: var(--accent-color, #4D76FF);
}
@media (min-width: 768px) {
  .cases_lead_eyebrow { font-size: 13px; margin-bottom: 14px; }
}

.cases_lead_eyebrow_jp {
  display: block;
  padding-left: 46px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 11px;
  letter-spacing: .22em;
  color: #6a7089;
}
@media (min-width: 768px) {
  .cases_lead_eyebrow_jp { font-size: 12px; }
}

.cases_lead_body { position: relative; }

.cases_lead_headline {
  font-family: "Zen Old Mincho", "Noto Serif JP", serif;
  font-weight: 500;
  color: var(--primary-color, #03113E);
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.4;
  letter-spacing: .08em;
  margin-bottom: 20px;
}
.cases_lead_text {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  line-height: 1.9;
  color: #4a4f65;
  letter-spacing: .03em;
  max-width: 640px;
}
@media (min-width: 768px) {
  .cases_lead_text { font-size: 14.5px; line-height: 1.95; }
}

/* ---- Cases Filter ---- */
.cases_filter {
  position: relative;
  padding: 24px 24px 32px;
  background: var(--white-color, #fff);
}
@media (min-width: 768px) {
  .cases_filter { padding: 24px 64px 40px; }
}
@media (min-width: 1080px) {
  .cases_filter { padding: 24px 100px 48px; }
}

.cases_filter_inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line-color, #d5dae5);
  flex-wrap: wrap;
}

.filter_tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 6px;
  align-items: center;
  flex: 1;
  min-width: 0;
}

.filter_tag {
  position: relative;
  padding: 8px 14px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 12.5px;
  letter-spacing: .04em;
  line-height: 1.4;
  color: #6a7089;
  background: transparent;
  border: 1px solid var(--line-color, #d5dae5);
  border-radius: 0;
  transition: color .3s ease, background .3s ease, border-color .3s ease;
  white-space: nowrap;
  cursor: pointer;
}
.filter_tag:hover {
  color: var(--primary-color, #03113E);
  border-color: var(--primary-color, #03113E);
}
.filter_tag.is-active {
  color: #fff;
  background: var(--primary-color, #03113E);
  border-color: var(--primary-color, #03113E);
}
@media (min-width: 1080px) {
  .filter_tag { font-size: 13px; padding: 9px 16px; }
}

.cases_count {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 12px;
  color: #6a7089;
  letter-spacing: .14em;
  padding-top: 6px;
  flex-shrink: 0;
}
.cases_count_num {
  font-family: "Cormorant Garamond", "Zen Old Mincho", serif;
  font-style: italic;
  font-weight: 300;
  font-size: 32px;
  line-height: 1;
  color: var(--accent-color, #4D76FF);
  letter-spacing: .02em;
}
@media (min-width: 1080px) {
  .cases_count_num { font-size: 38px; }
  .cases_count { font-size: 12.5px; }
}

/* ---- Cases Section (Grid) ---- */
.cases_section {
  padding: 16px 24px 72px;
  background: var(--white-color, #fff);
}
@media (min-width: 768px) {
  .cases_section { padding: 24px 64px 88px; }
}
@media (min-width: 1080px) {
  .cases_section { padding: 32px 100px 104px; }
}

.cases_grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 600px) {
  .cases_grid { grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (min-width: 1080px) {
  .cases_grid { grid-template-columns: repeat(3, 1fr); gap: 28px; }
}

/* ---- Case Card（technology-branding の Works/Cases と同一言語） ---- */
.case_card {
  display: flex;
  flex-direction: column;
  background: var(--white-color, #fff);
  border: 1px solid var(--line-color, #d5dae5);
  border-radius: 0;
  color: var(--primary-color, #03113E);
  text-decoration: none;
  overflow: hidden;
  transition: border-color .35s ease, box-shadow .35s ease;
  height: 100%;
}
.case_card:hover {
  border-color: var(--accent-color, #4D76FF);
  box-shadow: 0 12px 32px rgba(3, 17, 62, .06);
  transform: none;
}

.case_card_img {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #e6e8ee;
  border-bottom: 1px solid var(--line-color, #d5dae5);
}
.case_card_img::before { content: none; }
.case_card_img img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform .8s cubic-bezier(.2, .6, .2, 1);
}
.case_card:hover .case_card_img img { transform: scale(1.04); }

.case_card_num {
  position: absolute;
  top: 14px;
  right: 14px;
  left: auto;
  bottom: auto;
  padding: 6px 12px;
  background: rgba(3, 17, 62, .75);
  color: #fff;
  font-family: "Cormorant Garamond", "Zen Old Mincho", serif;
  font-style: italic;
  font-weight: 400;
  font-size: 12px;
  letter-spacing: .16em;
  border-radius: 0;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
@media (min-width: 1080px) {
  .case_card_num { font-size: 13px; top: 16px; right: 16px; }
}

.case_card_body {
  padding: 20px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}
@media (min-width: 1080px) {
  .case_card_body { padding: 24px 24px 26px; gap: 16px; }
}

.case_card_company {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 12px;
  letter-spacing: .06em;
  color: #6a7089;
  line-height: 1.5;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-color, #d5dae5);
  margin: 0;
}
@media (min-width: 1080px) {
  .case_card_company { font-size: 12.5px; padding-bottom: 16px; }
}

.case_card_kpi {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  flex-wrap: wrap;
}
.case_card_kpi_num {
  font-family: "Zen Old Mincho", "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 28px;
  line-height: 1;
  color: var(--accent-color, #4D76FF);
  letter-spacing: .02em;
}
@media (min-width: 1080px) {
  .case_card_kpi_num { font-size: 34px; }
}
.case_card_kpi_label {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 12px;
  letter-spacing: .06em;
  color: #4a4f65;
}
@media (min-width: 1080px) {
  .case_card_kpi_label { font-size: 13px; }
}

.case_card_title {
  font-family: "Zen Old Mincho", "Noto Serif JP", serif;
  font-weight: 500;
  color: var(--primary-color, #03113E);
  font-size: 15px;
  line-height: 1.65;
  letter-spacing: .04em;
  text-wrap: pretty;
  margin: 0;
}
@media (min-width: 1080px) {
  .case_card_title { font-size: 16px; line-height: 1.7; }
}

.case_card_tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}
.case_card_tag {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 11px;
  color: #6a7089;
  padding: 4px 10px;
  background: #f5f6fa;
  letter-spacing: .04em;
  line-height: 1.4;
  border-radius: 0;
  transition: background .35s ease, color .35s ease;
}
.case_card:hover .case_card_tag {
  background: #e8ecf7;
  color: var(--primary-color, #03113E);
}

.case_card_meta {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 14px;
  margin-top: auto;
  border-top: 1px solid var(--line-color, #d5dae5);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 11.5px;
  letter-spacing: .04em;
  color: #6a7089;
}
.case_card_industry,
.case_card_location {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.case_card_industry::before {
  content: "";
  width: 10px; height: 10px;
  border: 1px solid #6a7089;
  border-radius: 0;
  background: none;
  display: inline-block;
  flex-shrink: 0;
}
.case_card_location::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  border: 1px solid #6a7089;
  background: none;
  display: inline-block;
  flex-shrink: 0;
}
@media (min-width: 1080px) {
  .case_card_meta { font-size: 12px; }
}

/* ---- Empty state ---- */
.cases_empty {
  max-width: 1200px;
  margin: 40px auto 0;
  padding: 56px 24px;
  text-align: center;
  font-family: "Zen Old Mincho", "Noto Serif JP", serif;
  color: #6a7089;
  font-size: 15px;
  line-height: 1.8;
  border: 1px dashed var(--line-color, #d5dae5);
  background: #fafbfd;
  letter-spacing: .04em;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .case_card,
  .case_card_img img,
  .case_card_tag,
  .filter_tag {
    transition: none !important;
    transform: none !important;
  }
}


/* ============================================================
   Case Detail — Simple Blog Article
============================================================ */

.detail_container {
  background: var(--white-color, #fff);
  padding: 32px 20px 64px;
}
@media (min-width: 768px) {
  .detail_container { padding: 48px 40px 88px; }
}
@media (min-width: 1080px) {
  .detail_container { padding: 56px 64px 104px; }
}

.detail_container .top_container {
  max-width: 1120px;
  margin: 0 auto;
  padding-left: 0;
  padding-right: 0;
}

/* ---- Layout ---- */
.detail_layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: start;
}
@media (min-width: 1080px) {
  .detail_layout {
    grid-template-columns: 1fr 260px;
    gap: 64px;
  }
}

/* ============================================================
   Main article
============================================================ */
.detail_main {
  min-width: 0;
  max-width: 760px;
  margin: 0 auto;
  width: 100%;
  background: transparent;
  border: none;
  border-radius: 0;
  overflow: visible;
}
@media (min-width: 1080px) {
  .detail_main { margin: 0; }
}

/* Hero Image */
.detail_hero {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #e6e8ee;
  margin-bottom: 28px;
}
.detail_hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
@media (min-width: 768px) {
  .detail_hero { margin-bottom: 36px; }
}

/* Header */
.detail_header {
  margin-bottom: 36px;
  padding: 0;
  background: transparent;
  border: none;
}
@media (min-width: 768px) {
  .detail_header { margin-bottom: 44px; padding: 0; }
}

.detail_meta_top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 12.5px;
  color: #6a7089;
  letter-spacing: .04em;
}
.detail_date { color: #6a7089; }
.detail_meta_top .divider {
  display: inline-block;
  width: 1px;
  height: 12px;
  background: #d5dae5;
}

.detail_tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}
.detail_tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  background: #f5f6fa;
  color: #4a4f65;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 11.5px;
  letter-spacing: .04em;
  line-height: 1.4;
  border-radius: 2px;
}

.detail_title {
  font-family: "Zen Old Mincho", "Noto Serif JP", serif;
  font-weight: 500;
  color: var(--primary-color, #03113E);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.55;
  letter-spacing: .04em;
  margin-bottom: 16px;
  text-wrap: pretty;
}

.detail_company_name {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 13.5px;
  color: #4a4f65;
  letter-spacing: .04em;
  line-height: 1.5;
  padding-top: 12px;
  border-top: 1px solid #e5e7ec;
}
@media (min-width: 768px) {
  .detail_company_name { font-size: 14px; }
}

/* Content */
.detail_content {
  display: flex;
  flex-direction: column;
  gap: 36px;
  padding: 0;
}
@media (min-width: 768px) {
  .detail_content { gap: 44px; padding: 0; }
}

/* Section title (シンプルなブログ h2) */
.detail_section_title {
  display: block;
  font-family: "Zen Old Mincho", "Noto Serif JP", serif;
  font-weight: 500;
  color: var(--primary-color, #03113E);
  font-size: 19px;
  line-height: 1.55;
  letter-spacing: .04em;
  margin-bottom: 16px;
  padding: 0 0 0 12px;
  border: none;
  border-left: 3px solid var(--accent-color, #4D76FF);
}
@media (min-width: 768px) {
  .detail_section_title { font-size: 22px; margin-bottom: 20px; }
}

/* Text */
.detail_text {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  color: #333844;
  font-size: 14.5px;
  line-height: 1.95;
  letter-spacing: .03em;
  margin-bottom: 0;
}
.detail_text + .detail_text { margin-top: 1em; }
@media (min-width: 1080px) {
  .detail_text { font-size: 15px; line-height: 2; }
}

/* Inline figure (本文中の写真挿入) */
.detail_figure { margin: 24px 0 0; }
.detail_figure img {
  width: 100%;
  height: auto;
  background: #e6e8ee;
  display: block;
}
.detail_figure figcaption {
  margin-top: 10px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 12px;
  color: #6a7089;
  line-height: 1.6;
  letter-spacing: .02em;
}

/* メインメッセージ引用（本文中で掲げるコピー） */
.detail_message {
  margin: 4px 0;
  padding: 18px 20px;
  background: #fafbfd;
  border-left: 3px solid var(--accent-color, #4D76FF);
}
.detail_message_main {
  font-family: "Zen Old Mincho", "Noto Serif JP", serif;
  font-weight: 500;
  color: var(--primary-color, #03113E);
  font-size: 18px;
  line-height: 1.6;
  letter-spacing: .06em;
}
.detail_message_sub {
  margin-top: 6px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 13.5px;
  line-height: 1.7;
  color: #4a4f65;
  letter-spacing: .04em;
}
@media (min-width: 768px) {
  .detail_message { padding: 22px 24px; }
  .detail_message_main { font-size: 20px; }
  .detail_message_sub { font-size: 14px; }
}

/* 概要リンク */
.detail_overview_row dd a {
  color: var(--accent-color, #4D76FF);
  text-decoration: underline;
  text-underline-offset: 3px;
  word-break: break-all;
}
.detail_overview_row dd a:hover { opacity: .7; }

/* ============================================================
   動画（スマホ枠つき・縦型9:16）
============================================================ */
.detail_movie {
  margin: 24px 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
@media (min-width: 768px) {
  .detail_movie { margin-top: 28px; }
}

/* スマホ本体（黒フチ + 角丸 + 影） */
.detail_movie_device {
  position: relative;
  width: 260px;
  max-width: 78%;
  padding: 10px;
  background: #1b1d22;
  border-radius: 34px;
  box-shadow: 0 14px 34px rgba(3, 17, 62, .18);
}
@media (min-width: 768px) {
  .detail_movie_device { width: 288px; padding: 11px; border-radius: 38px; }
}

/* スピーカー部分の表現 */
.detail_movie_device::before {
  content: "";
  position: absolute;
  top: 17px;
  left: 50%;
  transform: translateX(-50%);
  width: 54px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, .18);
  z-index: 2;
  pointer-events: none;
}

.detail_movie_screen {
  position: relative;
  overflow: hidden;
  border-radius: 26px;
  background: #000;
  aspect-ratio: 9 / 16;
}
@media (min-width: 768px) {
  .detail_movie_screen { border-radius: 29px; }
}
.detail_movie_screen video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.detail_movie_caption {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 12px;
  line-height: 1.6;
  color: #6a7089;
  letter-spacing: .02em;
  text-align: center;
  max-width: 420px;
}

/* Overview list */
.detail_overview {
  background: #fafbfd;
  padding: 20px;
  border: 1px solid #e5e7ec;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 768px) {
  .detail_overview { padding: 24px 28px; }
}
.detail_overview_row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid #e5e7ec;
}
.detail_overview_row:last-child { border-bottom: none; }
@media (min-width: 768px) {
  .detail_overview_row {
    grid-template-columns: 120px 1fr;
    gap: 20px;
    padding: 12px 0;
  }
}
.detail_overview_row dt {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  color: var(--primary-color, #03113E);
  font-size: 12.5px;
  letter-spacing: .06em;
  line-height: 1.6;
}
.detail_overview_row dd {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 13.5px;
  color: #333844;
  letter-spacing: .02em;
  line-height: 1.75;
  margin: 0;
}
@media (min-width: 768px) {
  .detail_overview_row dt { font-size: 13px; }
  .detail_overview_row dd { font-size: 14px; }
}

/* List */
.detail_list {
  display: grid;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.detail_list li {
  position: relative;
  display: block;
  padding: 0 0 0 18px;
  border: none;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  line-height: 1.85;
  color: #333844;
  letter-spacing: .03em;
}
.detail_list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .75em;
  width: 8px;
  height: 1px;
  border-radius: 0;
  background: var(--accent-color, #4D76FF);
}
@media (min-width: 1080px) {
  .detail_list li { font-size: 14.5px; }
}

/* Points */
.detail_points {
  display: flex;
  flex-direction: column;
  gap: 20px;
  border: none;
}
.detail_point {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 16px 0 0;
  border-top: 1px solid #e5e7ec;
  border-bottom: none;
  align-items: baseline;
}
.detail_point:first-child { border-top: none; padding-top: 0; }

.detail_point_num {
  grid-row: auto;
  font-family: "Noto Sans JP", sans-serif;
  font-style: normal;
  font-weight: 600;
  color: var(--accent-color, #4D76FF);
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: .06em;
  padding-top: 2px;
}
.detail_point_body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.detail_point_title {
  grid-column: auto;
  font-family: "Zen Old Mincho", "Noto Serif JP", serif;
  font-weight: 500;
  color: var(--primary-color, #03113E);
  font-size: 15.5px;
  line-height: 1.55;
  letter-spacing: .04em;
}
@media (min-width: 768px) {
  .detail_point_title { font-size: 16.5px; }
}
.detail_point_text {
  grid-column: auto;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 13.5px;
  line-height: 1.9;
  color: #333844;
  letter-spacing: .03em;
  margin: 0;
}
@media (min-width: 1080px) {
  .detail_point_text { font-size: 14px; }
}

/* Outputs */
.detail_outputs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 600px) {
  .detail_outputs { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1080px) {
  .detail_outputs { grid-template-columns: 1fr 1fr 1fr; }
}
.detail_output {
  background: #fafbfd;
  padding: 16px 18px 18px;
  border: 1px solid #e5e7ec;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: none;
}
.detail_output:hover { border-color: #e5e7ec; }
.detail_output_label {
  display: inline-block;
  font-family: "Noto Sans JP", sans-serif;
  font-style: normal;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--accent-color, #4D76FF);
  text-transform: uppercase;
}
.detail_output_label::before { content: none; }
.detail_output_title {
  font-family: "Zen Old Mincho", "Noto Serif JP", serif;
  font-weight: 500;
  color: var(--primary-color, #03113E);
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: .04em;
  padding-bottom: 8px;
  border-bottom: 1px solid #e5e7ec;
}
.detail_output_text {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 13px;
  line-height: 1.85;
  color: #333844;
  letter-spacing: .02em;
  margin: 0;
}

/* Results */
.detail_results {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-bottom: 24px;
  border: 1px solid #e5e7ec;
  background: #fafbfd;
}
@media (min-width: 600px) {
  .detail_results { grid-template-columns: repeat(3, 1fr); }
}
.detail_result {
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  background: transparent;
  border: none;
  border-bottom: 1px solid #e5e7ec;
}
.detail_result:last-child { border-bottom: none; }
@media (min-width: 600px) {
  .detail_result {
    border-bottom: none;
    border-right: 1px solid #e5e7ec;
  }
  .detail_result:last-child { border-right: none; }
}
.detail_result_number {
  font-family: "Zen Old Mincho", "Noto Serif JP", serif;
  font-style: normal;
  font-weight: 500;
  color: var(--accent-color, #4D76FF);
  font-size: 28px;
  line-height: 1;
  letter-spacing: .02em;
  margin-bottom: 0;
}
@media (min-width: 1080px) {
  .detail_result_number { font-size: 32px; }
}
.detail_result_label {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 12px;
  color: #4a4f65;
  letter-spacing: .04em;
  line-height: 1.5;
  margin-top: 4px;
}

/* Back Link */
.detail_back {
  margin-top: 48px;
  padding: 28px 0 0;
  border-top: 1px solid #e5e7ec;
  background: transparent;
}
.detail_back_link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 13px;
  color: #6a7089;
  letter-spacing: .04em;
  transition: color .3s ease, gap .3s ease;
}
.detail_back_link::before {
  content: "←";
  font-size: 14px;
}
.detail_back_link:hover {
  color: var(--accent-color, #4D76FF);
  gap: 12px;
}

/* ============================================================
   Sidebar (シンプル)
============================================================ */
.detail_sidebar {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
@media (min-width: 1080px) {
  .detail_sidebar {
    position: sticky;
    top: 80px;
    align-self: start;
  }
}

.sidebar_section {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: transparent;
  border: none;
  padding: 0;
}
.sidebar_title {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 600;
  font-size: 13px;
  color: var(--primary-color, #03113E);
  letter-spacing: .06em;
  padding-bottom: 8px;
  margin: 0;
  border-bottom: 1px solid #d5dae5;
}

.sidebar_tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.sidebar_tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: #f5f6fa;
  color: #4a4f65;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 11.5px;
  letter-spacing: .02em;
  line-height: 1.4;
  border: none;
  border-radius: 2px;
  transition: background .3s ease, color .3s ease;
}
.sidebar_tag:hover {
  background: var(--primary-color, #03113E);
  color: #fff;
}

.sidebar_cases {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.sidebar_case {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 12px;
  color: #333844;
  transition: opacity .3s ease;
}
.sidebar_case:hover { opacity: .7; }
.sidebar_case_img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #e6e8ee;
}
.sidebar_case_img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.sidebar_case_body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.sidebar_case_company {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 10.5px;
  color: #6a7089;
  letter-spacing: .04em;
  line-height: 1.4;
}
.sidebar_case_title {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 12px;
  line-height: 1.55;
  color: var(--primary-color, #03113E);
  letter-spacing: .02em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sidebar_cta {
  padding: 20px 18px 22px;
  background: #fafbfd;
  border: 1px solid #e5e7ec;
  gap: 12px;
}
.sidebar_cta_text {
  font-family: "Zen Old Mincho", "Noto Serif JP", serif;
  font-weight: 500;
  color: var(--primary-color, #03113E);
  font-size: 14.5px;
  line-height: 1.6;
  letter-spacing: .04em;
  margin: 0;
}
.sidebar_cta_btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 18px;
  background: var(--primary-color, #03113E);
  color: #fff;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 12.5px;
  letter-spacing: .06em;
  line-height: 1;
  border: none;
  border-radius: 2px;
  transition: background .3s ease;
  text-align: center;
}
.sidebar_cta_btn:hover { background: var(--accent-color, #4D76FF); color: #fff; }
.sidebar_cta_link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 4px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 12px;
  color: var(--accent-color, #4D76FF);
  letter-spacing: .02em;
  text-align: center;
  justify-self: center;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.sidebar_cta_link:hover { opacity: .7; color: var(--accent-color, #4D76FF); }

/* ---- SP 調整 ---- */
@media screen and (max-width: 767px) {
  .breadcrumb--detail { padding-top: 80px; }
  .detail_sidebar { position: static; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .detail_back_link,
  .sidebar_tag,
  .sidebar_case,
  .sidebar_cta_btn { transition: none !important; }
}

/* ========== 記事内 YouTube 埋め込み ========== */
.detail_youtube { margin: 24px 0 0; }
@media (min-width: 768px) {
  .detail_youtube { margin-top: 28px; }
}
.detail_youtube_frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #000;
}
.detail_youtube_frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}
.detail_youtube_caption {
  margin-top: 10px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 12px;
  color: #6a7089;
  line-height: 1.6;
  letter-spacing: .02em;
}

/* ========== 記事内テキストリンク ========== */
.detail_overview a,
.detail_extlink {
  color: var(--accent-color, #4D76FF);
  text-decoration: underline;
  text-underline-offset: 3px;
  word-break: break-all;
  transition: opacity .3s ease;
}
.detail_overview a:hover,
.detail_extlink:hover { opacity: .7; }