:root {
  /* 審査員写真プレースホルダの円。本ページはピンク基調に合わせる */
  --jury-photo-bg: #ffd0e6;
}

/* ============================================================
   FIRST VIEW - KENCHIKU 100NINTEN
   ============================================================ */
/* 他プログラムページと同じ、タイトル画像を CSS transform で傾ける構成 */
.kenchiku100ninten-hero {
  display: flex;
  width: 100vw;
  height: 50svh;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-accent);
  perspective: 1000px;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.kenchiku100ninten-hero img {
  display: block;
  width: min(80vw, 1600px);
  max-height: 80%;
  height: auto;
  object-fit: contain;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  will-change: transform;
}

/* ============================================================
   About
   ============================================================ */
.kenchiku100ninten-section {
  padding: 5rem var(--section-pad-x);
  max-width: var(--section-max-w);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.kenchiku100ninten-content p {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
  margin: 0;
  text-align: justify;
}

/* 段落間の余白（<br> を使わずに空ける） */
.kenchiku100ninten-content p + p {
  margin-top: 1em;
}

.entry-content p + p {
  margin-top: 0.35rem;
}

.entry-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}

.entry-action {
  display: flex;
  width: 100%;
  min-width: 0;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--color-accent);
  color: #fff;
  background: var(--color-accent);
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-normal);
  text-align: left;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}

a.entry-action:hover {
  border-color: #d9478f;
  background: #d9478f;
  color: #fff;
}

/* 矢印は TIMETABLE / PROGRAM 一覧と同じ字形・同じ動き */
.entry-action__arrow {
  flex: 0 0 auto;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  transition: transform 0.2s ease;
}

a.entry-action:hover .entry-action__arrow,
a.entry-action:focus-visible .entry-action__arrow {
  transform: translateX(0.4rem);
}

.entry-action--disabled {
  border-color: #f3b2d2;
  color: #754159;
  background: #f8cce1;
  cursor: not-allowed;
}

.entry-action small {
  flex: 0 0 auto;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

/* 本文の下に審査員カードが続く場合の余白 */
.kenchiku100ninten-content + .jury-grid {
  margin-top: 2.5rem;
}

/* UNIQUE RECOMMENDATION ── 如学会トークの SPEAKER と同じ 3 列 */
.ur-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 1000px) {
  .ur-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ============================================================
   Info List
   ============================================================ */
.kenchiku100nintenlist {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* DATE ── 他ページと同じ 2 列 (見出し | 日時) 表示 */
.detail-list {
  margin: 0;
}

.detail-list > div {
  display: grid;
  grid-template-columns: minmax(10rem, 22rem) minmax(0, 1fr);
  gap: 2rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid rgba(80, 78, 77, 0.25);
}

.detail-list dt,
.detail-list dd {
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
}

.detail-list dt {
  font-weight: var(--font-weight-semibold);
}

.detail-list dd {
  min-width: 0;
  margin: 0;
  font-weight: var(--font-weight-medium);
}

/* ============================================================
   RESPONSIVE ── モバイル (≤ 480px) - Content
   ============================================================ */
@media (max-width: 480px) {
  /* Content */
  .kenchiku100ninten-section {
    padding: 5rem var(--section-pad-x-mobile) 0;

  }

  .kenchiku100ninten-content p {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-medium);
  }

  .entry-actions {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 700px) {
  .detail-list > div {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
}