.public-talk-feature {
  --talk-ink: #172335;
  --talk-muted: #687991;
  --talk-teal: #067c78;
  --talk-line: #d7e2e8;
  color: var(--talk-ink);
  background: #fff;
}

.public-talk-feature .detail-page {
  width: min(1320px, calc(100% - 112px));
  padding: 42px 0 72px;
}

.talk-feature svg {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.talk-feature a:focus-visible {
  outline: 2px solid var(--talk-teal);
  outline-offset: 6px;
}

.talk-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--talk-teal);
  font: 400 13px/1.5 var(--sans);
}

.talk-hero {
  display: grid;
  grid-template-columns: 1fr 1.08fr;
  align-items: center;
  gap: 20px;
  margin: 34px 0 36px;
}

.talk-hero h1 { margin: 0; }
.talk-title-main {
  display: block;
  color: #111b2d;
  font: 600 clamp(44px, 6.7vw, 96px)/1.02 var(--serif);
  letter-spacing: -0.055em;
}
.talk-title-rest {
  display: block;
  max-width: 620px;
  margin-top: 14px;
  font: 400 clamp(21px, 2.15vw, 31px)/1.35 var(--sans);
  letter-spacing: -0.035em;
}
.talk-speaker { margin-top: 34px; }
.talk-speaker::before {
  display: block;
  width: 108px;
  height: 1px;
  margin-bottom: 22px;
  background: var(--talk-line);
  content: "";
}
.talk-speaker strong { font: 500 30px/1.3 var(--serif); }
.talk-speaker p { margin: 3px 0 0; color: var(--talk-muted); font: 400 16px/1.5 var(--sans); }
.talk-hero-figure { min-width: 0; margin: 0; }
.talk-hero-figure img { display: block; width: 100%; height: auto; }
.talk-hero-figure figcaption { margin-top: 9px; color: var(--talk-muted); text-align: right; font: 400 12px/1.5 var(--sans); }

.talk-event {
  display: grid;
  grid-template-columns: 1fr .92fr 1.38fr 1.12fr;
  align-items: center;
  margin: 0 -24px;
  padding: 30px 34px;
  background: #eef7f5;
}
.talk-event > div { min-width: 0; padding: 0 24px; border-left: 1px solid #ccdfe0; }
.talk-event > div:first-child { padding-left: 0; border-left: 0; }
.talk-event > div:last-child { padding-right: 0; }
.talk-label { display: block; margin-bottom: 8px; color: var(--talk-teal); font: 500 11px/1.3 var(--sans); letter-spacing: .07em; text-transform: uppercase; }
.talk-event time, .talk-event strong { display: block; font: 500 23px/1.3 var(--serif); letter-spacing: -.025em; }
.talk-event p { margin: 4px 0 0; color: var(--talk-muted); font: 400 14px/1.45 var(--sans); }
.talk-announcement { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 43px; padding: 10px 15px; border: 1px solid var(--talk-teal); border-radius: 2px; color: #fff; background: var(--talk-teal); font: 500 13px/1.4 var(--sans); transition: background .15s; }
.talk-announcement:hover { color: #fff; background: #055e5b; }

.talk-reading-layout { display: grid; grid-template-columns: minmax(0, 2.2fr) minmax(240px, 1fr); gap: 60px; margin-top: 44px; }
.talk-feature h2 { margin: 0 0 24px; color: var(--talk-ink); font: 500 36px/1.2 var(--serif); letter-spacing: -.04em; }
.talk-abstract p { margin: 0 0 23px; font: 400 18px/1.75 var(--serif); scroll-margin-top: 108px; }
.talk-abstract p:last-child { margin-bottom: 0; }
.talk-abstract p:target { border-left: 2px solid var(--talk-teal); padding-left: 16px; margin-left: -18px; }
.talk-outline { padding-left: 30px; border-left: 1px solid var(--talk-line); }
.talk-outline ol { list-style: none; padding: 0; margin: 0; }
.talk-outline li + li { border-top: 1px solid var(--talk-line); }
.talk-outline li a { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 14px; padding: 21px 0; color: var(--talk-ink); }
.talk-outline li:first-child a { padding-top: 0; }
.talk-topic-number { color: var(--talk-teal); font: 400 23px/1.3 var(--sans); }
.talk-outline a strong { display: block; font: 500 20px/1.35 var(--serif); }
.talk-outline a small { display: block; margin-top: 7px; color: var(--talk-muted); font: 400 15px/1.5 var(--serif); }
.talk-outline a:hover strong, .talk-back:hover { color: var(--talk-teal); text-decoration: underline; text-underline-offset: 4px; }
.talk-collaboration { padding-top: 22px; margin: 7px 0 0; border-top: 1px solid var(--talk-line); }
.talk-collaboration span { display: block; margin-bottom: 3px; font: 500 13px/1.5 var(--sans); }
.talk-collaboration strong { font: 400 16px/1.6 var(--serif); }
.talk-related { margin-top: 42px; padding-top: 24px; border-top: 1px solid var(--talk-line); }
.talk-related h2 { margin-bottom: 24px; font-size: 30px; }
.talk-related-list { display: grid; grid-template-columns: 1fr 1fr; }
.talk-related-list a { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-right: 30px; color: var(--talk-ink); }
.talk-related-list a + a { padding: 0 0 0 30px; border-left: 1px solid var(--talk-line); }
.talk-related-list strong { display: block; font: 400 17px/1.5 var(--serif); }
.talk-related-list small { display: block; margin-top: 7px; color: var(--talk-muted); font: 400 14px/1.5 var(--serif); }
.talk-related-list svg { color: var(--talk-teal); }
.talk-related-list a:hover strong { color: var(--talk-teal); text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 1100px) {
  .public-talk-feature .detail-page { width: calc(100% - 80px); }
  .talk-event { padding: 26px 24px; }
  .talk-event > div { padding: 0 18px; }
  .talk-event time, .talk-event strong { font-size: 20px; }
  .talk-event p { font-size: 13px; }
  .talk-announcement { padding: 10px; font-size: 12px; }
  .talk-reading-layout { gap: 34px; }
  .talk-outline { padding-left: 25px; }
  .talk-abstract p { font-size: 16px; line-height: 1.65; }
}

@media (max-width: 760px) {
  .public-talk-feature .detail-page { width: calc(100% - 40px); padding-top: 26px; padding-bottom: 45px; }
  .talk-hero { grid-template-columns: 1fr; gap: 22px; margin: 28px 0; }
  .talk-title-main { max-width: 540px; font-size: clamp(43px, 9vw, 64px); }
  .talk-title-rest { max-width: 530px; font-size: 23px; }
  .talk-speaker { margin-top: 24px; }
  .talk-speaker::before { margin-bottom: 16px; }
  .talk-speaker strong { font-size: 27px; }
  .talk-speaker p { max-width: 310px; font-size: 14px; }
  .talk-hero-figure { width: min(100%, 300px); margin: 0 auto; }
  .talk-hero-figure figcaption { text-align: center; font-size: 10px; }
  .talk-event { grid-template-columns: 1fr 1fr; gap: 22px 0; margin: 0 -8px; padding: 24px 20px; }
  .talk-event > div { align-self: start; padding: 0 0 0 18px; }
  .talk-event > div:nth-child(odd) { padding: 0 18px 0 0; border-left: 0; }
  .talk-event time, .talk-event strong { font-size: 19px; }
  .talk-event p { font-size: 12px; }
  .talk-label { font-size: 10px; }
  .talk-announcement { justify-content: space-between; gap: 5px; padding: 9px 10px; font-size: 12px; }
  .talk-announcement svg { width: 16px; height: 16px; flex-basis: 16px; }
  .talk-reading-layout { display: flex; flex-direction: column; gap: 30px; margin-top: 32px; }
  .talk-feature h2 { font-size: 30px; margin-bottom: 19px; }
  .talk-outline { order: -1; padding: 0 0 24px; border-left: 0; border-bottom: 1px solid var(--talk-line); }
  .talk-outline h2 { font-size: 26px; }
  .talk-outline ol { display: flex; flex-wrap: wrap; gap: 13px 22px; }
  .talk-outline li + li { border-top: 0; }
  .talk-outline li a { display: flex; gap: 8px; padding: 0; }
  .talk-topic-number { font-size: 15px; }
  .talk-outline a strong { font: 400 15px/1.4 var(--sans); }
  .talk-outline a small { display: none; }
  .talk-collaboration { padding: 0; margin-top: 19px; border: 0; }
  .talk-collaboration span { display: inline; margin-right: 5px; font-size: 12px; }
  .talk-collaboration strong { font-size: 13px; }
  .talk-abstract p { font-size: 17px; line-height: 1.75; margin-bottom: 20px; }
  .talk-related { margin-top: 30px; }
  .talk-related-list { grid-template-columns: 1fr; gap: 20px; }
  .talk-related-list a { padding: 0; }
  .talk-related-list a + a { padding: 20px 0 0; border-left: 0; border-top: 1px solid var(--talk-line); }
  .talk-related-list strong { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html:has(.public-talk-feature) { scroll-behavior: auto; }
  .talk-announcement { transition: none; }
}

@media print {
  .public-talk-feature .detail-page { width: 100%; padding: 0; }
  .talk-back, .talk-outline, .talk-event-action { display: none; }
  .talk-title-main { font-size: 38px; }
  .talk-title-rest { font-size: 19px; }
  .talk-event { margin: 0; grid-template-columns: 1fr 1fr 1.4fr; }
  .talk-reading-layout { display: block; }
  .talk-abstract p { font-size: 12pt; }
}