@charset "utf-8";

:root {
  --lecture-green: #42a95f;
  --lecture-green-dark: #247b3d;
  --lecture-green-soft: #eaf7ed;
  --lecture-ink: #15251a;
}

#contents {
  padding-bottom: 0;
}

.lecture-page {
  max-width: 1180px;
  margin: 0 auto 6rem;
  overflow: hidden;
  border: 1px solid rgba(36, 123, 61, 0.16);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(27, 71, 39, 0.1);
}

.lecture-hero {
  position: relative;
  top: auto;
  right: auto;
  left: auto;
  z-index: 0;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(4.5rem, 9vw, 8rem) 5vw clamp(3.7rem, 7vw, 6rem);
  background:
    linear-gradient(
      130deg,
      rgba(255, 255, 255, 0.97),
      rgba(233, 248, 237, 0.88)
    ),
    repeating-linear-gradient(
      90deg,
      transparent 0 54px,
      rgba(66, 169, 95, 0.07) 55px 56px
    );
  text-align: center;
}

.lecture-hero::after {
  position: absolute;
  right: 8%;
  bottom: 0;
  left: 8%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--lecture-green),
    transparent
  );
  content: "";
}

.lecture-hero__kicker {
  margin: 0 0 1rem;
  color: var(--lecture-green-dark);
  font-size: clamp(1.05rem, 2vw, 1.5rem);
  font-weight: 800;
  letter-spacing: 0.18em;
}

.lecture-hero h1 {
  margin: 0;
  color: var(--lecture-green);
  font-family: "Zen Maru Gothic", "Noto Sans JP", sans-serif;
  font-size: clamp(2.8rem, 6.8vw, 6rem);
  font-weight: 700;
  letter-spacing: 0.035em;
  line-height: 1.25;
  text-shadow:
    0 2px #fff,
    2px 0 #fff,
    0 -2px #fff,
    -2px 0 #fff,
    4px 5px 0 rgba(66, 169, 95, 0.14);
}

.lecture-hero h1 span {
  white-space: nowrap;
}

.lecture-hero__subtitle {
  margin: 1.25rem 0 0;
  color: var(--lecture-green-dark);
  font-size: clamp(1.35rem, 3vw, 2.35rem);
  font-weight: 800;
  letter-spacing: 0.09em;
}

.lecture-hero__ring {
  position: absolute;
  z-index: -1;
  width: 300px;
  aspect-ratio: 1;
  border: 1px dashed rgba(66, 169, 95, 0.32);
  border-radius: 50%;
}

.lecture-hero__ring--one {
  top: -170px;
  left: -75px;
}

.lecture-hero__ring--two {
  right: -100px;
  bottom: -210px;
  width: 390px;
  border-style: solid;
  background: rgba(66, 169, 95, 0.04);
}

.lecture-body {
  padding: clamp(3rem, 7vw, 6.5rem) clamp(1.4rem, 7vw, 7rem)
    clamp(4rem, 8vw, 7rem);
  color: var(--lecture-ink);
}

.lecture-body section {
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

.lecture-story h2,
.festival-guide h2 {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.7rem;
  color: var(--lecture-ink);
  font-size: 1.35rem;
  letter-spacing: 0.06em;
}

.lecture-story h2::before,
.festival-guide h2::before {
  width: 5px;
  height: 1.35em;
  border-radius: 10px;
  background: var(--lecture-green);
  content: "";
}

.lecture-copy {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  line-height: 2.05;
}

.lecture-copy p {
  margin: 0 0 1.45rem;
}

.lecture-copy__lead {
  color: var(--lecture-green-dark);
  font-size: 1.14em;
  font-weight: 800;
}

.lecture-facts {
  margin-top: clamp(2.5rem, 5vw, 4.5rem) !important;
  padding: clamp(1.5rem, 3vw, 2.4rem) !important;
  border: 1px solid rgba(66, 169, 95, 0.2) !important;
  border-left: 7px solid var(--lecture-green) !important;
  border-radius: 14px;
  background: var(--lecture-green-soft) !important;
}

.lecture-facts__list > div {
  display: grid;
  grid-template-columns: 5rem 1fr;
  align-items: baseline;
  gap: 1rem;
}

.lecture-facts__list > div + div {
  margin-top: 0.9rem;
}

.lecture-facts dt {
  font-size: 1.12rem;
  font-weight: 800;
}

.lecture-facts dt::before {
  content: "【";
}

.lecture-facts dt::after {
  content: "】";
}

.lecture-facts dd {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 2rem;
}

.lecture-facts strong {
  font-size: clamp(1.15rem, 2.3vw, 1.7rem);
}

.lecture-facts span {
  color: #405247;
}

.festival-guide {
  display: grid;
  grid-template-columns: minmax(15rem, 0.75fr) minmax(19rem, 1.25fr);
  gap: 2rem;
  margin-top: clamp(3.5rem, 7vw, 6rem) !important;
  padding-top: clamp(2.5rem, 5vw, 4rem) !important;
  border-top: 1px dashed rgba(36, 123, 61, 0.35) !important;
}

.festival-guide p {
  margin: 0;
  line-height: 2;
}

.festival-guide a,
.lecture-photo__source a {
  color: var(--lecture-green-dark);
  text-decoration: underline;
  text-decoration-color: rgba(36, 123, 61, 0.35);
  text-underline-offset: 0.25em;
}

.lecture-photo {
  margin-top: clamp(3rem, 6vw, 5rem);
}

.lecture-photo__frame {
  display: grid;
  grid-template-columns: minmax(8.5rem, 0.24fr) minmax(0, 1fr);
  align-items: stretch;
  overflow: hidden;
  border-radius: 16px;
  background: var(--lecture-green-soft);
  box-shadow: 0 12px 34px rgba(20, 60, 31, 0.13);
}

.lecture-photo figcaption {
  display: grid;
  place-content: center;
  padding: 1.5rem;
  color: var(--lecture-green-dark);
  font-size: clamp(1rem, 1.7vw, 1.35rem);
  font-weight: 800;
  line-height: 1.75;
  text-align: center;
}

.lecture-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lecture-photo__source {
  margin: 0.8rem 0 0;
  color: #657069;
  font-size: 0.9rem;
  text-align: right;
}

.contest-data {
  margin-top: clamp(2.5rem, 5vw, 4rem) !important;
  padding: clamp(1.4rem, 3vw, 2.3rem) !important;
  border-radius: 12px;
  background: #f6f8f6 !important;
  font-family: "IBM Plex Mono", "Noto Sans JP", monospace;
}

.contest-data dl {
  margin: 0;
}

.contest-data dl > div {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 1rem;
}

.contest-data dl > div + div {
  margin-top: 0.35rem;
}

.contest-data dt {
  font-weight: 500;
}

.contest-data dd {
  overflow-wrap: anywhere;
}

@media screen and (max-width: 700px) {
  .lecture-page {
    border-radius: 18px;
  }

  .lecture-hero {
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .lecture-hero h1 span {
    display: block;
    margin-top: 0.18em;
  }

  .lecture-copy br,
  .festival-guide br {
    display: none;
  }

  .lecture-facts__list > div,
  .festival-guide,
  .contest-data dl > div {
    grid-template-columns: 1fr;
  }

  .lecture-facts__list > div {
    gap: 0.25rem;
  }

  .lecture-facts__list > div + div {
    margin-top: 1.5rem;
  }

  .festival-guide {
    gap: 0.6rem;
  }

  .lecture-photo__frame {
    grid-template-columns: 1fr;
  }

  .lecture-photo figcaption {
    padding: 1rem;
  }

  .lecture-photo__source {
    text-align: left;
  }

  .contest-data dl > div {
    gap: 0;
  }

  .contest-data dl > div + div {
    margin-top: 1rem;
  }

  .contest-data dt {
    color: var(--lecture-green-dark);
    font-weight: 700;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lecture-page * {
    scroll-behavior: auto;
  }
}