/* =========================================================
   single-case.php 専用CSS
   FunDX 導入事例 詳細ページ
   ---------------------------------------------------------
   Design keyword:
   - clean
   - trust
   - modern B2B
   - roomy
   - case study first
========================================================= */

:root {
  --case-accent: #9f8530;
  --case-accent-dark: #7f6a21;
  --case-text: #222;
  --case-subtext: #666;
  --case-border: #e7e1d3;
  --case-bg: #fffdf8;
  --case-card: #ffffff;
  --case-soft: #f8f4ea;
  --case-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
  --case-radius-lg: 24px;
  --case-radius-md: 16px;
  --case-radius-sm: 12px;
  --case-max: 1200px;
}

/* ------------------------------
   Base
------------------------------ */
.case-detail {
  background: linear-gradient(180deg, #fffdf9 0%, #ffffff 220px);
  color: var(--case-text);
  padding: 72px 0 96px;
}

.case-detail .container {
  width: min(100% - 40px, var(--case-max));
  margin: 0 auto;
}

.case-detail img {
  display: block;
  max-width: 100%;
  height: auto;
}

.case-detail p {
  margin: 0;
  line-height: 1.9;
  letter-spacing: 0.02em;
}

.case-detail strong {
  font-weight: 700;
}

/* ------------------------------
   Page title
------------------------------ */
.case-detail .h1title {
  font-size: clamp(1.8rem, 2.6vw, 2.4rem);
  line-height: 1.3;
  letter-spacing: 0.02em;
  font-weight: 800;
  margin: 24px 0 24px;
  color: #1f1f1f;
  position: relative;
  padding-bottom: 20px;
  text-align: center;
}

.case-detail .h1title::after {
  content: "";
  display: block;
  width: 72px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--case-accent) 0%, #d1b24d 100%);
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
}

/* ------------------------------
   Hero / Header
------------------------------ */
.case-detail .case-header {
  display: grid;
  grid-template-columns: minmax(0, 0.79fr) minmax(320px, 1.21fr);
  gap: 16px;
  align-items: stretch;
  margin-bottom: 40px;
}

.case-detail .case-thumbnail {
  background: #f1eee6;
  border-radius: var(--case-radius-lg);
  overflow: hidden;
  box-shadow: var(--case-shadow);
  min-height: 420px;
  position: relative;
}

.case-detail .case-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-detail .case-thumbnail.placeholder {
  background:
    linear-gradient(135deg, rgba(159,133,48,0.08), rgba(159,133,48,0.02)),
    #f5f1e7;
}

.case-detail .case-thumbnail.placeholder::before {
  content: "Case Study";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 800;
  color: rgba(159,133,48,0.25);
  letter-spacing: 0.08em;
}

.case-detail .case-header-text {
  background: var(--case-card);
  border: 1px solid var(--case-border);
  border-radius: var(--case-radius-lg);
  padding: 36px 32px;
  box-shadow: var(--case-shadow);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-detail .company-name {
  display: inline-flex;
  align-self: flex-start;
  margin-bottom: 18px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(159, 133, 48, 0.10);
  color: var(--case-accent-dark);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.case-detail .case-subtitle {
  margin: 0;
  font-size: clamp(1.45rem, 2.5vw, 2.2rem);
  line-height: 1.55;
  letter-spacing: 0.02em;
  font-weight: 800;
  color: #1f1f1f;
}

/* ------------------------------
   Meta grid
------------------------------ */
.case-detail .case-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 56px;
}

.case-detail .case-meta p {
  background: var(--case-card);
  border: 1px solid var(--case-border);
  border-radius: var(--case-radius-md);
  padding: 18px 18px 16px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
  min-height: 96px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 10px;
  font-size: 1rem;
  color: #333;
}

.case-detail .case-meta p strong {
  display: inline-block;
  font-size: 0.82rem;
  line-height: 1.4;
  letter-spacing: 0.08em;
  font-weight: 800;
  color: var(--case-accent-dark);
  text-transform: uppercase;
  position: relative;
  padding-left: 14px;
}

.case-detail .case-meta p strong::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--case-accent);
}

/* ------------------------------
   Challenge / Results
------------------------------ */
.case-detail .case-challenge,
.case-detail .case-results {
  position: relative;
  background: var(--case-card);
  border: 1px solid var(--case-border);
  border-radius: var(--case-radius-lg);
  padding: 32px 32px 30px;
  box-shadow: var(--case-shadow);
  margin-bottom: 28px;
  overflow: hidden;
}

.case-detail .case-challenge::before,
.case-detail .case-results::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: linear-gradient(180deg, var(--case-accent), #d6ba63);
}

.case-detail .case-challenge h2,
.case-detail .case-results h2 {
  margin: 0 0 18px;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  line-height: 1.4;
  letter-spacing: 0.03em;
  font-weight: 800;
  color: #1f1f1f;
  padding-left: 6px;
}

.case-detail .case-challenge strong,
.case-detail .case-results strong {
  display: block;
  font-size: 1.02rem;
  line-height: 2;
  font-weight: 500;
  color: #333;
  white-space: normal;
}

/* 課題と成果の見た目を少し差別化 */
.case-detail .case-challenge {
  background:
    linear-gradient(180deg, rgba(159,133,48,0.05), rgba(159,133,48,0.02)),
    #fff;
}

.case-detail .case-results {
  background:
    linear-gradient(180deg, rgba(180,185,190,0.12), rgba(200,205,210,0.05)),
    #fff;
}

.case-detail .case-results::before {
  background: linear-gradient(180deg, #9ea3a8, #c8ccd1);
}

/* ------------------------------
   Extra images
------------------------------ */
.case-detail .case-other-images {
  text-align: center;
  margin-top: 32px;
}

.case-detail .case-other-images figure {
  margin: 0 auto 24px;
  max-width: 800px;
  padding: 12px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  transition: transform 0.2s ease;
}

/* .case-detail .case-other-images figure:hover {
  transform: translateY(-4px);
} */

.case-detail .case-other-images img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
  cursor: default;
}

.case-detail .case-other-images p {
  grid-column: 1 / -1;
  background: var(--case-soft);
  border: 1px dashed #d7ccb0;
  border-radius: var(--case-radius-md);
  padding: 24px;
  text-align: center;
  color: #777;
}

/* ================================
   Extra image title
================================ */

.case-detail .case-other-images-block{
  margin-top:48px;
}

.case-detail .case-image-title{
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  font-weight:800;
  margin-bottom:20px;
  text-align:center;
  color:#1f1f1f;
  position:relative;
}

.case-detail .case-image-title::after{
  content:"";
  display:block;
  width:60px;
  height:3px;
  margin:12px auto 0;
  background:linear-gradient(90deg,var(--case-accent),#d1b24d);
  border-radius:999px;
}

/* ------------------------------
   CTA block
------------------------------ */
.case-detail .content-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  text-decoration: none;
  color: inherit;
  background:
    linear-gradient(135deg, rgba(159,133,48,0.95), rgba(127,106,33,0.95));
  border-radius: 24px;
  padding: 32px 32px;
  box-shadow: 0 18px 36px rgba(127, 106, 33, 0.20);
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    opacity 0.25s ease;
}

.case-detail .content-block:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 42px rgba(127, 106, 33, 0.24);
}

.case-detail .company-details-text {
  min-width: 0;
}

.case-detail .consultationmargin {
  display: inline-block;
  margin-bottom: 10px;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  line-height: 1.4;
  letter-spacing: 0.04em;
  font-weight: 800;
  color: #fff;
}

.case-detail .company-details-p {
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.9);
}

.case-detail .arrow {
  flex: 0 0 auto;
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  position: relative;
  border: 1px solid rgba(255,255,255,0.25);
}

.case-detail .arrow::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: translate(-60%, -50%) rotate(45deg);
}

.case-detail .thick-hrconsultationmargin {
  margin: 40px 0 0;
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #d8cfba, transparent);
}

/* ------------------------------
   Optional typography tuning
------------------------------ */
.case-detail .case-challenge br,
.case-detail .case-results br {
  display: block;
  content: "";
  margin-top: 0.4em;
}

/* =================================
Header meta layout
================================= */

.case-detail .case-meta{
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
  margin-top:20px;
}

.case-detail .meta-item{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:12px 16px;
  border-bottom:1px solid #e5e5e5;
}

.case-detail .meta-label{
  font-size:.85rem;
  font-weight:700;
  color:var(--case-accent-dark);
}

.case-detail .meta-value{
  font-size:.95rem;
  color:#333;
}

/* =================================
Summary
================================= */

.case-detail .case-summary-block{
  margin-top:40px;
  margin-bottom:32px;
  background:#fff;
  border:1px solid var(--case-border);
  border-radius:var(--case-radius-lg);
  padding:32px;
  box-shadow:var(--case-shadow);
}

.case-detail .case-summary-block h2{
  margin:0 0 16px;
  font-size:1.5rem;
  font-weight:800;
}

/* ------------------------------
   Responsive
------------------------------ */
@media (max-width: 1100px) {
  .case-detail .case-header {
    grid-template-columns: 1fr;
  }

  .case-detail .case-thumbnail {
    min-height: 360px;
  }

  .case-detail .case-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .case-detail {
    padding: 32px 0 72px;
  }

  .case-detail .container {
    width: min(100% - 24px, var(--case-max));
  }

  .case-detail .h1title {
    margin-bottom: 28px;
    padding-bottom: 16px;
  }

  .case-detail .case-header {
    gap: 20px;
    margin-bottom: 28px;
  }

  .case-detail .case-thumbnail {
    min-height: 240px;
    border-radius: 18px;
  }

  .case-detail .case-header-text {
    padding: 24px 20px;
    border-radius: 18px;
  }

  .case-detail .company-name {
    margin-bottom: 14px;
    font-size: 0.84rem;
  }

  .case-detail .case-meta {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 40px;
  }

  .case-detail .case-meta p {
    min-height: auto;
    padding: 16px;
    gap: 8px;
  }

  .case-detail .case-challenge,
  .case-detail .case-results {
    padding: 24px 20px 22px;
    border-radius: 18px;
    margin-bottom: 18px;
  }

  .case-detail .case-other-images {
    margin-top: 40px;
    margin-bottom: 48px;
  }

  .case-detail .content-block {
    padding: 22px 20px;
    border-radius: 18px;
    align-items: flex-start;
  }

  .case-detail .arrow {
    width: 44px;
    height: 44px;
    margin-top: 2px;
  }

  .case-detail .company-details-p {
    font-size: 0.95rem;
  }

  .case-detail .thick-hrconsultationmargin {
    margin-top: 28px;
  }
}