/* Public seminar thumbnails */
.p-seminars {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, #fff 0%, rgba(247, 252, 253, 0.9) 100%);
}

.p-seminars::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(0, 122, 138, 0.045), transparent 36%, rgba(200, 164, 93, 0.055));
}

.p-seminars .l-inner {
  position: relative;
}

.p-seminars__intro {
  max-width: 760px;
  margin: -16px 0 34px;
}

.p-seminars__intro p {
  margin: 0;
  font-family: var(--font-ja);
  font-size: 1.55rem;
  font-weight: 400;
  line-height: 1.95;
  letter-spacing: 0;
  color: var(--ink-3, #2d3e50);
}

.p-seminars__grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
}

.p-seminar-card {
  display: flex;
  grid-column: span 2;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 44px rgba(15, 23, 42, 0.08);
  text-decoration: none;
  transition:
    transform 0.24s ease,
    border-color 0.24s ease,
    box-shadow 0.24s ease;
}

.p-seminar-card--wide {
  grid-column: span 3;
}

.p-seminar-card:hover,
.p-seminar-card:focus-visible {
  border-color: rgba(0, 122, 138, 0.28);
  box-shadow: 0 24px 56px rgba(0, 96, 100, 0.14);
  transform: translateY(-4px);
}

.p-seminar-card:focus-visible {
  outline: 3px solid rgba(0, 122, 138, 0.28);
  outline-offset: 4px;
}

.p-seminar-card__image {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #f8fafc;
}

.p-seminar-card--square .p-seminar-card__image {
  aspect-ratio: 1 / 1;
}

.p-seminar-card__image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2, 0.6, 0, 1);
}

.p-seminar-card:hover .p-seminar-card__image img,
.p-seminar-card:focus-visible .p-seminar-card__image img {
  transform: scale(1.025);
}

.p-seminar-card__body {
  display: grid;
  gap: 8px;
  padding: 18px 20px 20px;
}

.p-seminar-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

.p-seminar-card__date {
  font-family: var(--font-en);
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0;
  color: var(--accent-dark);
}

.p-seminar-card__source {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 9px 4px;
  border: 1px solid rgba(0, 122, 138, 0.18);
  border-radius: 999px;
  background: rgba(0, 122, 138, 0.08);
  font-family: var(--font-ja);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  color: var(--accent-dark);
}

.p-seminar-card--luma .p-seminar-card__source {
  border-color: rgba(200, 164, 93, 0.28);
  background: rgba(200, 164, 93, 0.14);
  color: #7a5a18;
}

.p-seminar-card--youtrust .p-seminar-card__source {
  border-color: rgba(0, 196, 204, 0.26);
  background: rgba(0, 196, 204, 0.12);
  color: #007a80;
}

.p-seminar-card__status {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 9px 4px;
  border-radius: 999px;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
}

.p-seminar-card__status--upcoming {
  border: 1px solid rgba(234, 88, 12, 0.22);
  background: rgba(255, 237, 213, 0.9);
  color: #c2410c;
}

.p-seminar-card__status--archive {
  border: 1px solid rgba(100, 116, 139, 0.18);
  background: rgba(241, 245, 249, 0.9);
  color: #64748b;
}

.p-seminar-card__title {
  font-family: var(--font-ja);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0;
  color: var(--ink, #0b1220);
}

@media screen and (max-width: 1024px) {
  .p-seminar-card,
  .p-seminar-card--wide {
    grid-column: span 3;
  }
}

@media screen and (max-width: 767px) {
  .p-seminars__intro {
    margin-bottom: 24px;
  }

  .p-seminars__intro p {
    font-size: 1.38rem;
  }

  .p-seminars__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .p-seminar-card,
  .p-seminar-card--wide {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .p-seminar-card,
  .p-seminar-card__image img {
    transition: none;
  }

  .p-seminar-card:hover,
  .p-seminar-card:focus-visible,
  .p-seminar-card:hover .p-seminar-card__image img,
  .p-seminar-card:focus-visible .p-seminar-card__image img {
    transform: none;
  }
}