.case-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  overflow: hidden;
  padding: 140px var(--gutter) 100px;
}
.case-hero .frame {
  position: relative;
  width: 100%;
  max-width: 1500px;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(0,0,0,0.6);
}
.case-hero .frame img { width: 100%; display: block; }
.case-hero .frame::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.05) 45%);
}
.case-hero .title-wrap {
  position: absolute; left: 46px; bottom: 40px; z-index: 2;
  color: var(--white);
}
.case-hero .title-wrap .eyebrow { color: rgba(255,255,255,0.6); }
.case-hero .title-wrap h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 7vw, 96px);
  line-height: 0.95;
  margin: 0;
}

.case-meta {
  border-bottom: 1px solid var(--gray-line);
}
.case-meta .wrap {
  display: flex;
  gap: 60px;
  padding: 50px 0;
  flex-wrap: wrap;
}
.case-meta .item .k { font-size: 11px; letter-spacing: 0.12em; color: var(--gray-mid); margin-bottom: 8px; }
.case-meta .item .v { font-size: 15px; font-weight: 500; }

.case-tabs {
  display: flex;
  gap: 10px;
  padding: 40px 0 0;
  flex-wrap: wrap;
}
.case-tab-btn {
  padding: 12px 24px;
  border: 1px solid var(--gray-line);
  border-radius: 30px;
  font-size: 13px;
  font-weight: 500;
  background: transparent;
  cursor: pointer;
  color: #555;
}
.case-tab-btn.active { background: var(--black); color: var(--white); border-color: var(--black); }
.case-tab-panel { display: none; padding: 50px 0 110px; max-width: 760px; }
.case-tab-panel.active { display: block; }
.case-tab-panel h2,
.case-tab-panel h3 { font-size: 22px; margin-bottom: 16px; font-weight: 600; }
.case-tab-panel p { font-size: 15px; line-height: 1.8; color: #555; margin-bottom: 14px; }

.placeholder-note {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #fbf6e9;
  border: 1px solid #ecdca4;
  border-radius: 8px;
  padding: 18px 22px;
  font-size: 13px;
  color: #6b5a25;
  line-height: 1.6;
  margin-bottom: 22px;
}
.placeholder-note b { color: #4a3d18; }

.case-nav-next {
  display: flex; align-items: center; justify-content: space-between;
  padding: 60px var(--gutter);
  background: var(--black);
  color: var(--white);
  flex-wrap: wrap;
  gap: 20px;
}
.case-nav-next .eyebrow { margin-bottom: 8px; }
.case-nav-next h2,
.case-nav-next h3 { font-family: var(--font-display); font-size: clamp(28px, 5vw, 46px); margin: 0; }