/* Responsive shoulder explanation — v32, 2026-08-03 */
.shoulder-explainer-v32 {
  padding: 88px 7vw 96px;
  background: #f5f8fb;
  border-top: 1px solid rgba(13, 43, 82, 0.08);
  border-bottom: 1px solid rgba(13, 43, 82, 0.08);
}
.shoulder-explainer-heading {
  max-width: 900px;
  margin-bottom: 42px;
}
.shoulder-explainer-heading h2 {
  color: #0d2b52;
  letter-spacing: -0.04em;
  margin: 18px 0;
  font-size: clamp(38px, 4.2vw, 62px);
  line-height: 1.04;
}
.shoulder-explainer-heading > p:last-child {
  max-width: 760px;
  margin: 0;
  color: #536579;
  font-size: 1.12rem;
  line-height: 1.7;
}
.shoulder-explainer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.shoulder-explainer-grid article {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(13, 43, 82, 0.13);
  border-radius: 16px;
  padding: 16px 16px 22px;
  box-shadow: 0 10px 26px rgba(7, 57, 86, 0.07);
}
.shoulder-explainer-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #fff;
  border-radius: 10px;
}
.shoulder-step {
  position: absolute;
  z-index: 2;
  top: 25px;
  left: 25px;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #075aaa;
  color: #fff;
  font-weight: 850;
  font-size: 1.05rem;
  box-shadow: 0 4px 12px rgba(7, 90, 170, 0.25);
}
.shoulder-explainer-grid h3 {
  margin: 18px 4px 8px;
  color: #0d2b52;
  font-size: 1.16rem;
  line-height: 1.25;
}
.shoulder-explainer-grid p {
  margin: 0 4px;
  color: #536579;
  line-height: 1.62;
}
.shoulder-explainer-note {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-top: 22px;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid rgba(7, 90, 170, 0.2);
  border-radius: 12px;
}
.shoulder-explainer-note span {
  display: grid;
  place-items: center;
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  border: 2px solid #075aaa;
  border-radius: 50%;
  color: #075aaa;
  font-weight: 850;
}
.shoulder-explainer-note p {
  margin: 2px 0 0;
  color: #0d2b52;
  line-height: 1.6;
}
@media (max-width: 1020px) {
  .shoulder-explainer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .shoulder-explainer-v32 { padding: 64px 5vw 70px; }
  .shoulder-explainer-heading { margin-bottom: 28px; }
  .shoulder-explainer-heading h2 { font-size: clamp(34px, 10vw, 46px); }
  .shoulder-explainer-heading > p:last-child { font-size: 1rem; }
  .shoulder-explainer-grid { grid-template-columns: 1fr; gap: 16px; }
  .shoulder-explainer-grid article { padding: 14px 14px 22px; }
  .shoulder-explainer-grid img { max-height: 360px; }
  .shoulder-step { top: 22px; left: 22px; }
  .shoulder-explainer-note { padding: 16px; }
}