/* タイムゾーン */
.time-zone {
  font-weight: normal;
  text-align: right;
  margin: 2rem 0.5rem 1rem;
  color: #AFAAA3;
}

/* 日程ジャンプリンク */
.day-nav {
  margin-bottom: 2rem;
  text-align: right;
}
.day-nav a {
  color: #EAD09E;
  text-decoration: none;
  font-weight: bold;
}
.day-nav a:hover {
  color: #FFF8ED;
}

/* PDFダウンロード領域（左寄せ・下余白） */
.pdf-nav {
  text-align: left;
  margin-bottom: 2rem;
}

/* 塗りつぶしタイプのPDFボタン */
.btn-pdf-download {
  display: inline-block;
  background-color: #EAD09E; /* 最初からゴールド背景 */
  color: #111;               /* ダーク文字で視認性を確保 */
  border: 1px solid #EAD09E;
  padding: 0.4rem 1rem;
  border-radius: 4px;
  font-size: 0.9rem;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.2s ease;
}

/* ホバー時：背景を透かして枠線と文字色をゴールドに */
.btn-pdf-download:hover {
  background-color: transparent;
  color: #EAD09E !important;
}

/* 1日目・2日目共通の日付バッジ */
.day-title {
  font-size: 1.55rem;
  font-weight: bold;
  color: #FFF8ED;
  background: linear-gradient(90deg, rgba(234, 208, 158, 0.22) 0%, rgba(234, 208, 158, 0.03) 100%);
  border-left: 6px solid #EAD09E;
  padding: 0.8rem 1.2rem;
  border-radius: 4px;
  margin-top: 3.5rem;
  margin-bottom: 2rem;
}

/* 2日目の上部余白をさらに広く */
.day-title#day2 {
  margin-top: 7rem;
}

/* セッションヘッダー・座長 */
.session-header {
  margin: 2rem 0 1rem 0;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid rgba(245, 235, 215, 0.15);
  display: block;
}

.session-title {
  font-size: 1.15rem;
  font-weight: bold;
  margin: 0 0 0.4rem 0;
}

.chair {
  display: block;
  font-weight: normal;
  text-align: right;
  margin: 0;
  font-style: italic;
  color: #AFAAA3;
  font-size: 0.95rem;
}

/* ランチ カフェ */
.break-time {
  justify-content: center;
  background-color: rgba(162, 203, 162, 0.12);
  border: 1px solid #9BC79B;
  border-radius: 1rem;
  padding: 0.6rem 1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  text-align: center;
  margin: 1rem 0;
}

.break-time .time {
  width: 160px;
  font-weight: 500;
  color: #E5F4E5;
  display: inline-block;
}

.break-time .txt {
  color: #F0FAF0;
}

/* timeテーブル */
/*
|                     grid-time-table                     |
-----------------------------------------------------------
| grid-time-table-th |         grid-time-table-td         |
| grid-time-table-th |         grid-time-table-td         |
| grid-time-table-th |         grid-time-table-td         |
| grid-time-table-th |         grid-time-table-td         |
*/

.grid-time-table {
  display: grid;
  grid-template-columns: 140px 1fr; /* 左列の時間を固定幅、右列は残り全部 */
  row-gap: 1rem;
  margin-top: 1rem;
  margin-bottom: 0.8rem;
}

.grid-time-table-th {
  border-bottom: 1px solid rgba(245, 235, 215, 0.15);
  font-weight: 400;
  padding: 1rem;
  white-space: nowrap;
  color: #EAD09E; /* 時間の視認性のためのアクセントカラー */
}

.grid-time-table-td {
  border-bottom: 1px solid rgba(245, 235, 215, 0.15);
  padding: 1rem;
}

/*
|            grid-lecture-info           |
------------------------------------------
| lecture-type | lecture-details         |
|              |   └─speaker-name        |
|              |   └─speaker-affiliation |
|              |   └─lecture-title       |
*/

.grid-lecture-info {
  display: grid;
  grid-template-columns: 160px 1fr;
  align-items: start;
  column-gap: 1rem;
}

.lecture-type {
  font-weight: 400;
  color: #EAD09E;
}

/* 発表者・所属・タイトルの詳細領域 */
.lecture-details .speaker-name {
  font-weight: 600;
  color: #FFF8ED;
  display: inline-block;
  margin-right: 0.5rem;
}

.lecture-details .speaker-affiliation {
  font-style: italic;
  color: #C0B9AF;
  display: inline-block;
}

.lecture-details .lecture-title {
  margin-top: 0.4rem;
  font-size: 0.98rem;
  line-height: 1.45;
  color: #E0DAD3;
}

/* スマホ・タブレット対応 */
@media (max-width: 768px) {
  .grid-time-table {
    grid-template-columns: 100px 1fr; /* モバイル画面で時間列を少し縮小 */
  }

  .grid-time-table-th {
    padding: 1rem 0.2rem;
    font-size: 0.9rem;
  }
  
  .grid-lecture-info {
    grid-template-columns: 1fr;
    row-gap: 0.3rem;
  }

  .lecture-details .speaker-name,
  .lecture-details .speaker-affiliation {
    display: block; /* モバイルでは名前と所属を改行表示 */
    margin-right: 0;
  }
}