@charset "UTF-8";

/* 研究発表詳細5ページ共通。記事の読み幅、発表情報、資料への操作を明確に分ける。 */

.presentation-author-link {
  display: inline-flex;
  gap: 7px;
  align-items: center;
  color: var(--navy-900);
  border-radius: 5px;
}

.presentation-author-link i {
  display: inline-grid;
  width: 22px;
  height: 22px;
  place-items: center;
  color: #126aa8;
  background: #eaf5fc;
  border-radius: 50%;
  font-size: 10px;
  font-style: normal;
  line-height: 1;
  transition: color .18s ease, background .18s ease, transform .18s ease;
}

.presentation-author-link:hover,
.presentation-author-link:focus-visible { color: var(--blue-600); }
.presentation-author-link:hover i,
.presentation-author-link:focus-visible i { color: #fff; background: var(--blue-600); transform: translateX(2px); }
.presentation-author-link:focus-visible { outline: 3px solid rgba(8, 119, 232, .2); outline-offset: 3px; }

.presentation-detail-hero .subpage-hero-inner { max-width: 1080px; }
.presentation-detail-hero h1 {
  max-width: 920px;
  font-size: clamp(27px, 2.9vw, 40px);
  line-height: 1.38;
  letter-spacing: -.045em;
}
.presentation-detail-hero .subpage-lead {
  max-width: 47em;
  font-size: 16px;
  line-height: 1.9;
}

.presentation-detail-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 15px 0 12px;
}

.presentation-detail-labels span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 10px;
  font-weight: 850;
}
.presentation-detail-status { color: #fff; background: var(--navy-800); }
.presentation-detail-format { color: #1e5f8c; background: #e8f4fc; border: 1px solid #c6dfef; }

.presentation-detail-english-title {
  max-width: 850px;
  margin: 12px 0 0;
  color: #526b7e;
  font-size: 13px;
  line-height: 1.75;
}

.presentation-detail-event-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 960px;
  margin: 25px 0 0;
}

.presentation-detail-event-facts div {
  min-width: 0;
  padding: 13px 15px;
  background: rgba(255, 255, 255, .72);
  border: 1px solid #d4e2ec;
  border-radius: 7px;
}
.presentation-detail-event-facts dt { color: #62788b; font-size: 10px; font-weight: 800; }
.presentation-detail-event-facts dd { margin: 4px 0 0; color: #183d5d; font-size: 12px; font-weight: 720; line-height: 1.6; }

.presentation-detail-content { background: #fff; }
.presentation-detail-content > .subpage-section-inner { max-width: 1080px; }
.presentation-detail-reading-column { width: min(100%, 790px); }

.presentation-detail-overview {
  display: grid;
  gap: 22px;
  padding-bottom: 48px;
}

.presentation-detail-summary {
  padding: clamp(24px, 3.5vw, 36px);
  background: #f1f7fb;
  border-radius: 12px;
}
.presentation-detail-summary-label {
  display: block;
  margin-bottom: 7px;
  color: #2174aa;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .13em;
}

.presentation-detail-overview h2,
.presentation-detail-sections h2,
.presentation-detail-section-heading h2 {
  margin: 0;
  color: #0b3157;
  font-size: clamp(23px, 2.2vw, 29px);
  line-height: 1.45;
  letter-spacing: -.025em;
}

.presentation-detail-summary > p,
.presentation-detail-sections p {
  max-width: 45em;
  color: #3f5a70;
  font-size: 16px;
  line-height: 2;
}
.presentation-detail-summary > p { margin: 13px 0 0; }

.presentation-detail-keywords {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 18px;
  align-items: baseline;
  margin: 21px 0 0;
  padding-top: 17px;
  border-top: 1px solid #d2e1eb;
}
.presentation-detail-keywords dt { color: #1f577e; font-size: 11px; font-weight: 850; }
.presentation-detail-keywords dd { display: flex; flex-wrap: wrap; gap: 4px 15px; margin: 0; }
.presentation-detail-keywords dd span { color: #526f84; font-size: 11px; font-weight: 700; }

.presentation-detail-authors {
  padding: 0;
  background: #fff;
}
.presentation-detail-authors h2 { font-size: 19px; }
.presentation-detail-authors ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.presentation-detail-authors li {
  display: grid;
  gap: 5px;
  align-content: start;
  min-width: 0;
  padding: 14px 15px;
  background: #f7fafc;
  border-radius: 7px;
}
.presentation-detail-authors strong { color: #183d5d; font-size: 14px; }
.presentation-detail-authors .presentation-author-link { justify-self: start; }
.presentation-detail-authors li > span { color: #61778a; font-size: 11px; line-height: 1.65; }

.presentation-detail-sections { display: grid; gap: 42px; }
.presentation-detail-sections > section { padding: 0; }
.presentation-detail-sections h2 { margin-bottom: 14px; }
.presentation-detail-sections p { margin: 0; }
.presentation-detail-sections p + p { margin-top: 13px; }

.presentation-detail-gallery {
  margin-top: clamp(64px, 8vw, 94px);
}
.presentation-detail-gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.presentation-detail-gallery-grid-single { grid-template-columns: minmax(0, 820px); }
.presentation-detail-gallery figure {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  background: #f3f7fa;
  border: 1px solid #d0dee8;
  border-radius: 10px;
}
.presentation-detail-gallery figure > a {
  display: block;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: #dfeaf1;
}
.presentation-detail-gallery figure.presentation-detail-gallery-16-9 > a { aspect-ratio: 16 / 9; }
.presentation-detail-gallery img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.presentation-detail-gallery figcaption {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: baseline;
  padding: 13px 15px;
  color: #3f5b70;
  font-size: 12px;
  line-height: 1.65;
}
.presentation-detail-gallery figcaption span {
  flex: 0 0 auto;
  color: #176fa9;
  font-size: 9px;
  font-weight: 850;
  white-space: nowrap;
}

.presentation-detail-resources {
  margin-top: clamp(56px, 6vw, 72px);
}
.presentation-detail-section-heading { max-width: 48em; margin-bottom: 22px; }
.presentation-detail-section-heading p { margin: 9px 0 0; color: #536e82; font-size: 15px; line-height: 1.85; }

.presentation-detail-resource-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.presentation-detail-resource {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 22px 23px;
  background: #f2f7fa;
  border-radius: 8px;
  scroll-margin-top: 120px;
}
.presentation-detail-resource-with-preview {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: minmax(260px, .7fr) minmax(0, 1fr);
  gap: 28px;
}
.presentation-detail-resource figure {
  aspect-ratio: 16 / 10;
  margin: 0;
  overflow: hidden;
  background: #e8f0f5;
  border-radius: 7px;
}
.presentation-detail-resource figure a { display: block; width: 100%; height: 100%; }
.presentation-detail-resource figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform .2s ease;
}
.presentation-detail-resource figure a:hover img,
.presentation-detail-resource figure a:focus-visible img { transform: scale(1.018); }
.presentation-detail-resource-copy { display: flex; flex: 1; flex-direction: column; align-items: flex-start; min-width: 0; }
.presentation-detail-resource-with-preview .presentation-detail-resource-copy { align-self: center; }
.presentation-detail-resource-copy > span { color: #0873c4; font-size: 10px; font-weight: 850; letter-spacing: .07em; }
.presentation-detail-resource-copy h3 { margin: 7px 0 0; color: #103957; font-size: clamp(18px, 1.8vw, 22px); line-height: 1.5; }
.presentation-detail-resource-copy p { max-width: 44em; margin: 9px 0 0; color: #536b7f; font-size: 14px; line-height: 1.85; }

.presentation-detail-resource-copy > .presentation-detail-action {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding-top: 12px;
  font-size: 12px;
  font-weight: 850;
}
.presentation-detail-resource-copy > .presentation-detail-action small { font-size: 9px; font-weight: 750; }
.presentation-detail-resource-copy > .presentation-detail-action i { margin-left: auto; font-size: 15px; font-style: normal; transition: transform .18s ease; }
.presentation-detail-resource-copy > .presentation-detail-action:hover i,
.presentation-detail-resource-copy > .presentation-detail-action:focus-visible i { transform: translate(2px, -2px); }

.presentation-detail-resource-copy > .presentation-detail-action-primary,
.presentation-detail-resource-copy > .presentation-detail-action-secondary {
  justify-content: space-between;
  width: auto;
  margin-top: 14px;
  padding: 0;
}
.presentation-detail-resource-copy > .presentation-detail-action-primary,
.presentation-detail-resource-copy > .presentation-detail-action-secondary { color: #0b568f; background: transparent; }
.presentation-detail-resource-copy > .presentation-detail-action-primary small { color: #647d90; background: transparent; padding: 0; }
.presentation-detail-resource-copy > .presentation-detail-action-secondary small,
.presentation-detail-resource-copy > .presentation-detail-action-text small { color: #647d90; }
.presentation-detail-resource-copy > .presentation-detail-action-text { color: #0b568f; }

.presentation-detail-resource-featured {
  grid-column: 1 / -1;
  padding: 23px;
  background: #e5f2fa;
}
.presentation-detail-resource-featured .presentation-detail-resource-copy > span { color: #075f9e; }

@media (min-width: 761px) and (max-width: 1180px) {
  .presentation-detail-event-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .presentation-detail-fact-organizer { grid-column: 1 / -1; }
  .presentation-detail-reading-column { width: min(100%, 720px); }
  .presentation-detail-resource-list { grid-template-columns: minmax(0, 1fr); }
  .presentation-detail-resource-with-preview,
  .presentation-detail-resource-featured { grid-column: auto; }
  .presentation-detail-resource-with-preview { grid-template-columns: minmax(220px, .65fr) minmax(0, 1fr); }
}

@media (max-width: 760px) {
  .presentation-detail-hero h1 { font-size: clamp(24px, 6.9vw, 29px); line-height: 1.45; }
  .presentation-detail-hero .subpage-lead { font-size: 14px; line-height: 1.85; }
  .presentation-detail-event-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; margin-top: 20px; }
  .presentation-detail-fact-organizer { grid-column: 1 / -1; }
  .presentation-detail-event-facts div { padding: 10px 12px; }
  .presentation-detail-event-facts dd { font-size: 11px; }
  .presentation-detail-overview { gap: 16px; padding-bottom: 40px; }
  .presentation-detail-summary { padding: 22px 19px; border-radius: 9px; }
  .presentation-detail-summary > p,
  .presentation-detail-sections p { font-size: 14px; line-height: 1.95; }
  .presentation-detail-keywords { grid-template-columns: minmax(0, 1fr); gap: 7px; }
  .presentation-detail-authors { padding: 0; }
  .presentation-detail-authors ul { grid-template-columns: minmax(0, 1fr); gap: 9px; }
  .presentation-detail-authors li { padding: 12px 13px; }
  .presentation-detail-sections { gap: 34px; }
  .presentation-detail-gallery { margin-top: 55px; }
  .presentation-detail-gallery-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .presentation-detail-gallery figcaption { display: grid; gap: 4px; padding: 11px 12px; font-size: 11px; }
  .presentation-detail-gallery figcaption span { font-size: 8px; }
  .presentation-detail-resources { margin: 50px 0 0; }
  .presentation-detail-section-heading { margin-bottom: 21px; }
  .presentation-detail-section-heading p { font-size: 13px; line-height: 1.75; }
  .presentation-detail-resource-list { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .presentation-detail-resource,
  .presentation-detail-resource-featured { grid-column: auto; padding: 18px 17px; }
  .presentation-detail-resource-with-preview { display: flex; }
  .presentation-detail-resource figure { width: 100%; aspect-ratio: 16 / 9; }
  .presentation-detail-resource-copy p { font-size: 13px; line-height: 1.8; }
  .presentation-detail-resource-copy > .presentation-detail-action-primary,
  .presentation-detail-resource-copy > .presentation-detail-action-secondary { width: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .presentation-author-link i,
  .presentation-detail-resource figure img,
  .presentation-detail-resource-copy > .presentation-detail-action i { transition: none; }
}