.course-intro-showcase{
  box-sizing:border-box;
  width:min(1200px,calc(100% - 48px));
  margin:0 auto;
  padding:58px 48px;
  border-radius:28px;
  background:linear-gradient(135deg,#f5f9ff 0%,#eaf2ff 100%);
  box-shadow:0 18px 48px rgba(24,72,136,.10);
  overflow:hidden;
}
.course-intro-layout{
  display:grid;
  grid-template-columns:minmax(0,.92fr) minmax(430px,1.08fr);
  align-items:center;
  gap:48px;
  max-width:1080px;
  margin:0 auto;
}
.course-intro-copy{text-align:left;min-width:0}
.course-intro-catch{
  margin:0 0 14px;
  color:#245fd4;
  font-size:20px;
  font-weight:800;
  line-height:1.55;
  letter-spacing:.02em;
}
.course-intro-title{
  margin:0;
  color:#0b345f;
  font-size:clamp(38px,3.6vw,50px);
  font-weight:900;
  line-height:1.18;
  letter-spacing:.01em;
}
.course-intro-title strong{display:block;color:#245fd4;font:inherit}
.course-intro-title span{
  display:block;
  margin-top:9px;
  color:#0b345f;
  font-size:.48em;
  font-weight:800;
  letter-spacing:.06em;
}
.course-intro-body{
  max-width:31em;
  margin:24px 0 0;
  color:#263e55;
  font-size:17px;
  font-weight:500;
  line-height:1.85;
  text-align:left;
}
.course-intro-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:25px 0 0;
}
.course-intro-meta span{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:7px 14px;
  border:1px solid rgba(36,96,215,.22);
  border-radius:999px;
  background:#fff;
  color:#173b62;
  font-size:15px;
  font-weight:800;
  line-height:1.35;
}
.course-intro-visual{
  min-width:0;
  margin:0;
  padding:0;
}
.course-intro-visual img{
  display:block;
  width:100%;
  height:auto;
  object-fit:contain;
  border-radius:16px;
  box-shadow:0 16px 34px rgba(21,57,104,.16);
}
.learning-proof .course-intro{display:none!important}
.learning-proof .comparison-intro{
  max-width:900px;
  margin:0 auto 30px;
  padding:0;
  border:0;
  text-align:center;
}
.learning-proof .comparison-intro .eyebrow{margin-bottom:12px}
.learning-proof .comparison-intro h2{
  margin:0;
  color:#0b345f;
  font-size:clamp(31px,3.2vw,42px);
  line-height:1.35;
}
.learning-proof .comparison-intro h3{
  margin:23px 0 9px;
  color:#245fd4;
  font-size:23px;
  line-height:1.5;
}
.learning-proof .comparison-intro .textbook-example-context{
  margin:18px auto 0;
  color:#31475d;
  font-size:17px;
  line-height:1.75;
}
@media(max-width:760px){
  .course-intro-showcase{
    width:calc(100% - 28px);
    padding:36px 20px 30px;
    border-radius:22px;
  }
  .course-intro-layout{grid-template-columns:1fr;gap:20px}
  .course-intro-catch{margin-bottom:11px;font-size:17px;line-height:1.5}
  .course-intro-title{font-size:31px;line-height:1.2}
  .course-intro-title span{margin-top:7px;font-size:.57em}
  .course-intro-body{margin-top:18px;font-size:16px;line-height:1.75}
  .course-intro-meta{gap:8px;margin-top:18px}
  .course-intro-meta span{min-height:34px;padding:6px 11px;font-size:13px}
  .course-intro-visual img{border-radius:12px}
  .learning-proof .comparison-intro{margin-bottom:23px}
  .learning-proof .comparison-intro h2{font-size:27px;line-height:1.4}
  .learning-proof .comparison-intro h3{margin-top:19px;font-size:20px}
  .learning-proof .comparison-intro .textbook-example-context{margin-top:14px;font-size:16px;line-height:1.75}
  .ai-story .concern-method,
  .work-change .solution-heading>p:last-child,
  .work-change .solution-use{font-size:16px;line-height:1.75}
}