/* =========================================================
   SINGLE EVENT / イベント詳細ページ
========================================================= */

/* ===== 全体レイアウト ===== */
.site-main.event {
  background-color: var(--color-bg);
  padding: 80px 20px;
}

.event__container {
  max-width: 1200px;
  margin: 0 auto;
}

/* ===== カラムレイアウト ===== */
.event__columns {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
}

/* ===== 左カラム（メインコンテンツ） ===== */
.event__left {
  flex: 2;
}

.event__thumbnail {
  margin-bottom: 2rem;
  border-radius: 8px;
  overflow: hidden;
}

.event__thumbnail img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

.event__content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
}

.event__content h2,
.event__content h3 {
  margin-top: 2em;
  margin-bottom: 1em;
  font-weight: 700;
  line-height: 1.4;
}

.event__content p {
  margin-bottom: 1.5em;
}

/* ===== 右カラム（サイドバー） ===== */
.event__sidebar {
  flex: 1;
  background-color: var(--color-bg-alt);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}

.event__category {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  background-color: var(--color-white);
  border: 1px solid var(--color-primary);
  border-radius: 9999px;
  padding: 0.3rem 0.8rem;
  margin-bottom: 1rem;
}

.event__title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.event__meta {
  list-style: none;
  padding: 0;
  margin-bottom: 2rem;
}

.event__meta-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px dashed var(--color-border);
  padding: 0.6rem 0;
}

.event__label {
  font-weight: 600;
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.event__value {
  font-size: 1rem;
  color: var(--color-text);
  text-align: right;
}

.event__form {
  margin-top: 2rem;
}

/* ===== パンくず ===== */
.breadcrumb {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

/* =========================================================
   EVENT CONTENT SECTIONS / 開催概要・おすすめ・講演概要など
========================================================= */

/* ===== 共通スタイル ===== */
.event-outline,
.event-recommendation,
.event-program,
.event-benefits,
.event-details {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2.5rem 3rem;
  margin-bottom: 3rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.event-outline h2,
.event-recommendation h2,
.event-program h2,
.event-benefits h2,
.event-details h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  border-left: 5px solid var(--color-primary);
  padding-left: 0.75rem;
}

.event-outline p,
.event-recommendation p,
.event-program p,
.event-benefits p,
.event-details p {
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

/* ===== リスト ===== */
.event-outline ul,
.event-recommendation ul,
.event-program ul,
.event-benefits ul,
.event-details ul {
  list-style: disc;
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--color-text);
  line-height: 1.8;
}

.event-outline li,
.event-recommendation li,
.event-program li,
.event-benefits li,
.event-details li {
  margin-bottom: 0.8rem;
}

/* ===== small文字 ===== */
.event-outline small,
.event-program small,
.event-benefits small,
.event-details small {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: 0.5rem;
}

/* ===== 背景や強調差別化 ===== */
.event-outline {
  background-color: var(--color-bg-alt);
}

.event-recommendation {
  background-color: #f8fcff;
}

.event-program {
  background-color: #fdfcf8;
}

.event-benefits {
  background-color: #f9fff9;
}

.event-details {
  background-color: #f8f8f8;
}

/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 1024px) {
  .event__columns {
    flex-direction: column;
  }

  .event__sidebar {
    margin-top: 3rem;
  }
}

@media (max-width: 768px) {
  .site-main.event {
    padding: 60px 1rem;
  }

  .event__sidebar {
    padding: 1.5rem;
  }

  .event__title {
    font-size: 1.4rem;
  }

  .event__meta-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .event__label {
    font-size: 0.85rem;
  }

  .event__value {
    font-size: 0.95rem;
  }

  .event__thumbnail {
    margin-bottom: 1.5rem;
  }

  .event-outline,
  .event-recommendation,
  .event-program,
  .event-benefits,
  .event-details {
    padding: 1.8rem 1.5rem;
    margin-bottom: 2rem;
  }

  .event-outline h2,
  .event-recommendation h2,
  .event-program h2,
  .event-benefits h2,
  .event-details h2 {
    font-size: 1.4rem;
  }

  .event-outline p,
  .event-recommendation p,
  .event-program p,
  .event-benefits p,
  .event-details p {
    font-size: 0.95rem;
  }

  .event-outline ul,
  .event-recommendation ul,
  .event-program ul,
  .event-benefits ul,
  .event-details ul {
    margin-left: 1rem;
  }
}