.briefing-page {
  max-width: 1184px;
  margin-inline: auto;
  padding: clamp(36px, 5vw, 72px) 40px clamp(52px, 6vw, 85px);
  font-weight: 500;
  line-height: 1.9;
  letter-spacing: .035em;
}

.session-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(136px, 15vw, 180px);
  align-items: center;
  gap: clamp(24px, 5vw, 64px);
}

.session-intro h1 {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.35;
  letter-spacing: .04em;
  font-weight: 900;
}

.session-intro p {
  margin-top: 20px;
  font-size: clamp(15px, 1.25vw, 17px);
}

.session-host-photo {
  width: 100%;
  height: auto;
  border-radius: 10px;
}

.briefing-page .section-title {
  gap: .48em;
  font-size: clamp(24px, 2.7vw, 34px);
  line-height: 1.55;
  letter-spacing: .045em;
}

.briefing-page .section-title::before {
  width: .65em;
  height: .65em;
  margin: 0;
}

.session-schedule { margin-top: clamp(38px, 4.5vw, 62px); }

.session-schedule-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 28px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.session-schedule-heading p {
  font-size: 15px;
  font-weight: 700;
}

.session-dates {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
  background: #fff6ed;
}
.session-dates li {
  display: grid;
  gap: 5px;
  align-content: center;
  padding: 22px clamp(16px, 2.3vw, 32px);
}
.session-dates li + li { border-left: 1px solid #ebd8c7; }
.session-date {
  white-space: nowrap;
  font-weight: 900;
  font-size: clamp(22px, 2vw, 28px);
  line-height: 1.4;
}
.session-date span { font-size: .64em; }
.session-time { font-size: 16px; font-weight: 700; font-variant-numeric: tabular-nums; }
.session-pending { margin-top: 12px; font-size: 15px; }

.session-program { margin-top: clamp(48px, 6vw, 80px); }

.session-demo {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(28px, 5vw, 68px);
  margin-top: 28px;
}

.session-program-photo {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
}

.session-program-topics {
  display: grid;
  gap: 23px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: .02em;
}

.session-program-topics li {
  position: relative;
  padding-left: 20px;
}

.session-program-topics li::before {
  content: "";
  position: absolute;
  top: .64em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent, #f4512a);
}

.session-program-etc { display: block; text-align: right; }

.session-apply {
  display: flex;
  justify-content: center;
  padding-top: 22px;
  margin-top: clamp(36px, 5vw, 68px);
  border-top: 1px solid #e5dcd7;
}

.session-apply a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  min-height: 44px;
}

@media (max-width: 800px) {
  .briefing-page { padding-inline: 24px; }
  .session-dates { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .session-dates li { padding: 14px 18px; }
  .session-dates li:nth-child(odd) { border-left: 0; }
  .session-dates li:nth-child(n+3) { border-top: 1px solid #ebd8c7; }
  .session-demo { grid-template-columns: minmax(0, .85fr) minmax(0, 1fr); gap: 24px; }
}

@media (max-width: 640px) {
  .briefing-page { padding: 30px 20px 52px; }
  .session-intro { grid-template-columns: minmax(0, 1fr) 72px; gap: 12px; }
  .session-intro-copy { display: contents; }
  .session-intro h1 { grid-column: 1 / -1; font-size: clamp(23px, 7vw, 32px); }
  .session-intro p { margin-top: 0; }
  .session-intro p br { display: none; }
  .session-host-photo { align-self: start; margin-top: 5px; border-radius: 6px; }
  .session-schedule-heading { display: grid; gap: 5px; }
  .session-dates li { padding-inline: 12px; }
  .session-demo { grid-template-columns: 1fr; gap: 22px; margin-top: 18px; }
  .session-program-topics { gap: 17px; font-size: 17px; }
}