.scems-keynote {
  width: 100%;
  min-width: 0;
  max-width: 1120px;
  margin: 0 auto;
  padding-top: 2.5rem;
  color: #3b4a58;
  font-size: 1rem;
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.scems-keynote *, .scems-keynote *::before, .scems-keynote *::after { box-sizing: border-box; }
.scems-keynote__speaker {
  margin: 0 0 2rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid #dce5ec;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 5px 20px rgb(24 62 96 / 5%);
  scroll-margin-top: 8rem;
}
.scems-keynote__speaker:last-child { margin-bottom: 0; }
.scems-keynote__speaker-head {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2rem);
}
.scems-keynote__portrait {
  display: block;
  flex: 0 0 160px;
  width: 160px;
  height: 200px;
  object-fit: cover;
  object-position: center;
  border-radius: 10px;
  border: 1px solid #e0e6eb;
  background: #f4f7fa;
}
.scems-keynote__speaker-info { min-width: 0; }
.scems-keynote__speaker-info p { margin: 0.3rem 0; }
.scems-keynote .scems-keynote__number {
  margin-bottom: 0.4rem;
  color: #596f82;
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.025em;
}
.scems-keynote__speaker-info h2 {
  margin: 0 0 0.6rem;
  color: #183e60;
  font-size: clamp(1.35rem, 2.3vw, 1.7rem);
  line-height: 1.35;
}
.scems-keynote__honors { color: #4f6578; }
.scems-keynote__position { font-weight: 500; }
.scems-keynote__organization { color: #183e60; font-weight: 600; }
.scems-keynote__talk {
  margin-top: 1.6rem;
  padding: 1.15rem 0;
  border-top: 1px solid #e1e8ee;
  border-bottom: 1px solid #e1e8ee;
}
.scems-keynote__talk-label {
  margin: 0 0 0.3rem;
  color: #596f82;
  font-size: 0.82rem;
  font-weight: 600;
}
.scems-keynote__talk h3 {
  margin: 0;
  color: #183e60;
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  font-weight: 600;
  line-height: 1.5;
}
.scems-keynote__details { border-bottom: 1px solid #e1e8ee; }
.scems-keynote__details:last-child { border-bottom: 0; }
.scems-keynote__details summary {
  padding: 0.9rem 0;
  color: #183e60;
  font-weight: 600;
  cursor: pointer;
}
.scems-keynote__details summary::marker { color: #397aab; font-size: 0.8em; }
.scems-keynote__details summary:hover { color: #0d5c91; }
.scems-keynote__details summary:focus-visible {
  outline: 3px solid #397aab;
  outline-offset: 4px;
  border-radius: 2px;
}
.scems-keynote__detail-copy { padding: 0 0 0.75rem; }
.scems-keynote__detail-copy p { margin: 0 0 1rem; }
.scems-keynote__detail-copy p:last-child { margin-bottom: 0; }

@media (max-width: 600px) {
  .scems-keynote { padding-top: 1.25rem; }
  .scems-keynote__speaker-head { flex-direction: column; align-items: flex-start; }
  .scems-keynote__portrait { flex-basis: auto; }
  .scems-keynote__speaker { border-radius: 12px; margin-bottom: 1.25rem; }
}