@charset "UTF-8";

/* ==========================================================================
   コンファレンスTOP（ja/en conference/index.html）専用
   MV・テーマ・見出しなどの共通部品は add.css / conference_preview.css 側を使う。
   conference_preview.css はテーマ別ページ（theme.html）と共有しているため、
   このページ固有の指定は必ずこちらへ書く（読み込み順は preview の後）。
   body class の .conference-index にスコープする。
   ========================================================================== */

/* ==========================================================================
   MV 内のCTA（セッション一覧をみる / 聴講予約手順）
   紺のMV上に置くので、共通の .btn ではなく専用の見た目を持たせる
   ========================================================================== */
.conference-index .page_mv__inner {
  padding-bottom: 48px;
}

.conference-index .page_mv__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.conference-index .page_mv__cta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 260px;
  padding: 14px 22px;
  border: 1px solid var(--color-white);
  border-radius: 8px;
  color: var(--conf-navy);
  background: var(--color-white);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
  text-decoration: none;
  box-sizing: border-box;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.conference-index .page_mv__cta-link .material-icons {
  font-size: 20px;
}

/* 2つ目以降は塗りなし。主導線（セッション一覧）を目立たせる */
.conference-index .page_mv__cta-link--ghost {
  color: var(--color-white);
  background: transparent;
}

.conference-index .page_mv__cta-link:hover {
  color: var(--conf-navy);
  background: var(--conf-white-90);
}

/* ==========================================================================
   リアルタイムAI翻訳（Wordly）
   MVエリア内（.page_mv__inner）に同居させ、MVの背景写真がそのまま
   カードの下にも回り込むようにする。ガラスパネル調にして影はつけない
   ========================================================================== */
.conference-index .conf-translate__box {
  margin-top: 32px;
  padding: 20px 24px 24px;
  border: 1px solid var(--conf-white-45);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
}

.conference-index .conf-translate__kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--conf-date);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
}

.conference-index .conf-translate__kicker .material-icons {
  font-size: 16px;
}

.conference-index .under-content h3.conf-translate__title,
.conference-index h3.conf-translate__title {
  margin: 8px 0 0;
  padding: 0;
  color: var(--color-white);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.45;
}

.conference-index .conf-translate__desc {
  margin: 8px 0 0;
  color: var(--conf-white-90);
  font-size: 13px;
  line-height: 1.7;
}

.conference-index .conf-translate__note {
  margin: 8px 0 0;
  color: var(--conf-white-80);
  font-size: 12px;
  line-height: 1.7;
}

/* ---------- 対応言語（60言語）を開くボタン。中身はポップアップ（dialog）で見せる ---------- */
.conference-index .conf-translate__summary {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 12px 0 0;
  padding: 0;
  border: none;
  background: none;
  color: var(--color-white);
  font-size: 13px;
  font-weight: 800;
  font-family: inherit;
  line-height: 1.4;
  cursor: pointer;
}

.conference-index .conf-translate__summary .material-icons {
  font-size: 18px;
  transition: transform 0.2s ease;
}

.conference-index .conf-translate__summary:hover .material-icons {
  transform: translateX(4px);
}

/* ---------- 対応言語ポップアップ（dialog） ---------- */
.conference-index .conf-translate__dialog {
  width: min(560px, calc(100% - 40px));
  max-height: min(640px, calc(100% - 40px));
  padding: 0;
  border: none;
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(7, 19, 53, 0.32);
}

.conference-index .conf-translate__dialog::backdrop {
  background: rgba(7, 19, 53, 0.6);
}

.conference-index .conf-translate__dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--conf-border);
}

.conference-index .conf-translate__dialog-title {
  margin: 0;
  color: var(--conf-navy);
  font-size: 18px;
  font-weight: 800;
}

.conference-index .conf-translate__dialog-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: var(--conf-panel);
  color: var(--conf-navy);
  cursor: pointer;
}

.conference-index .conf-translate__dialog-close:hover {
  background: var(--conf-border);
}

.conference-index .conf-translate__dialog-body {
  max-height: calc(min(640px, 90vh) - 73px);
  padding: 20px 24px 24px;
  overflow-y: auto;
}

.conference-index .conf-translate__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 4px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.conference-index .conf-translate__list li {
  color: var(--conf-text);
  font-size: 14px;
  line-height: 1.9;
}

/* ホバーの浮き上がり（.conf-theme:hover）は conference_preview.css 側の
   共通定義（theme.html の「ほかのテーマを見る」と同一）を使う */

/* ==========================================================================
   注目セッション & イベント（API 描画のタイル）
   ========================================================================== */
.conference-index .conf-pickup__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  /* 2列固定・段数は件数に応じた成り行き。
     横に並ぶタイルの高さは揃える（既定の stretch。.conf-pickup__link が
     width:100%、.conf-pickup__body が flex:1 1 auto なので中身が伸びて埋まる） */
  align-items: stretch;
  gap: 20px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.conference-index .conf-pickup__item {
  display: flex;
}

.conference-index .conf-pickup__link {
  display: flex;
  flex-direction: column;
  width: 100%;
  border: 1px solid var(--conf-border);
  border-radius: 10px;
  background: var(--color-white);
  color: inherit;
  text-decoration: none;
  overflow: hidden;
  box-shadow: 0 2px 8px var(--conf-shadow);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.conference-index .conf-pickup__link:hover {
  box-shadow: 0 8px 20px var(--conf-shadow-hover);
  transform: translateY(-2px);
}

.conference-index .conf-pickup__figure {
  margin: 0;
  background: var(--conf-placeholder);
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.conference-index .conf-pickup__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.conference-index .conf-pickup__body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  padding: 16px 18px 20px;
}

.conference-index .conf-pickup__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
}

.conference-index .conf-pickup__code {
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--conf-heading);
  color: var(--color-white);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.conference-index .conf-pickup__when {
  color: var(--conf-text-body);
  font-weight: 700;
}

.conference-index .conf-pickup__place {
  color: var(--conf-text-sub);
}

.conference-index .conf-pickup__title {
  margin: 12px 0 0;
  color: var(--conf-heading);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.55;
}

.conference-index .conf-pickup__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.conference-index .conf-pickup__tags li {
  padding: 3px 10px;
  border-radius: 6px;
  color: #fff;
  background: var(--conf-blue);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.4;
}

.conference-index .conf-pickup__desc {
  margin: 12px 0 0;
  color: var(--conf-text-body);
  font-size: 13px;
  line-height: 1.8;
  /* 概要の長さがまちまちなので、タイルの高さが崩れないよう4行で打ち切る */
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  overflow: hidden;
}

/* タイル下の導線（add.css の .theme-cta を流用）。
   .conf-sessions__inner が既に左右40pxの余白を持つため、CTA側で同じ余白を重ねない。
   背景の白も、セクションのグラデーションを切ってしまうので透過させる */
.conference-index .conf-sessions__inner .theme-cta {
  background: transparent;
}

.conference-index .conf-sessions__inner .theme-cta__inner {
  max-width: none;
  padding: 40px 0 0;
}

.conference-index .conf-pickup__empty {
  margin: 24px 0 0;
  padding: 24px;
  border: 1px dashed var(--conf-line);
  border-radius: 10px;
  color: var(--conf-text-sub);
  font-size: 14px;
  line-height: 1.8;
  text-align: center;
}

/* ==========================================================================
   ステージの場所（Stage Locations）
   theme.html の .theme-map と同じ見た目。あちらは conference_theme.css 側にあり
   このページでは読み込まないため、同等の指定をここに持つ
   ========================================================================== */
.conference-index .conf-stage {
  background: var(--color-white);
}

/* 見出し（.conf-themes__title）が中央寄せのため、中身も中央で揃える */
.conference-index .conf-stage__inner {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 56px 40px 64px;
  box-sizing: border-box;
  text-align: center;
}

.conference-index .conf-kicker {
  display: block;
  margin: 0 0 6px;
  color: var(--conf-blue);
  font-family: "Montserrat", sans-serif;
  font-style: italic;
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.conference-index .conf-stage__figure {
  margin: 24px 0 0;
  padding: 16px;
  border-radius: 10px;
}

.conference-index .conf-stage__figure img {
  display: block;
  width: 100%;
  height: auto;
}

/* ==========================================================================
   聴講予約方法（How to Reserve）
   ========================================================================== */
.conference-index .conf-reserve {
  background: var(--conf-themes-bg);
}

.conference-index .conf-reserve__inner {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 64px 40px;
  box-sizing: border-box;
  text-align: center;
}

/* 共通の .conf-themes__title は「変革を捉える5つの指標」見出し用に
   margin-top:2em を持つが、ここでは conf-reserve__inner 自体の
   padding-top で上の余白を作るので打ち消す */
.conference-index .conf-reserve .conf-themes__title {
  margin-top: 0;
}

.conference-index .conf-reserve__desc {
  margin: 16px 0 0;
  color: var(--conf-text-body);
  font-size: 15px;
  line-height: 1.9;
}

.conference-index .conf-reserve__note {
  max-width: 720px;
  margin: 12px auto 0;
  color: var(--conf-text-muted);
  font-size: 13px;
  line-height: 1.8;
}

.conference-index .conf-reserve__flow-title {
  margin: 40px 0 0;
  color: var(--conf-heading);
  font-size: 18px;
  font-weight: 800;
}

.conference-index .conf-reserve__figure {
  max-width: 720px;
  margin: 20px auto 0;
}

.conference-index .conf-reserve__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}

/* ==========================================================================
   セクション下の導線ボタン（1本もの）
   ========================================================================== */
.conference-index .conf-linkbtn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 24px 0 0;
  padding: 14px 24px;
  border: 1px solid var(--conf-heading);
  border-radius: 8px;
  color: var(--conf-heading);
  background: var(--color-white);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.conference-index .conf-linkbtn .material-icons {
  font-size: 20px;
}

.conference-index .conf-linkbtn:hover {
  color: var(--color-white);
  background: var(--conf-heading);
}

/* ==========================================================================
   タブレット
   ========================================================================== */
@media screen and (max-width: 1024px) {
  .conference-index .conf-stage__inner,
  .conference-index .conf-reserve__inner {
    padding-left: 24px;
    padding-right: 24px;
  }
}

/* ==========================================================================
   スマートフォン
   ========================================================================== */
@media screen and (max-width: 767px) {
  .conference-index .page_mv__inner {
    padding-bottom: 32px;
  }

  .conference-index .page_mv__cta {
    margin-top: 20px;
    gap: 10px;
  }

  .conference-index .page_mv__cta-link {
    width: 100%;
    min-width: 0;
    justify-content: center;
    padding: 13px 16px;
    font-size: 14px;
  }

  .conference-index .conf-translate__box {
    margin-top: 24px;
    padding: 16px 16px 20px;
  }

  .conference-index .conf-translate__dialog-body {
    max-height: calc(90vh - 65px);
  }

  .conference-index .under-content h3.conf-translate__title,
  .conference-index h3.conf-translate__title {
    font-size: 18px;
  }

  .conference-index .conf-translate__desc {
    font-size: 13px;
  }

  .conference-index .conf-translate__list {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 2px 12px;
  }

  .conference-index .conf-pickup__list {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .conference-index .conf-stage__inner {
    padding: 40px 20px 48px;
  }

  .conference-index .conf-reserve__inner {
    padding: 0 20px 48px;
  }

  .conference-index .conf-stage__figure {
    padding: 10px;
  }

  .conference-index .conf-linkbtn {
    width: 100%;
    justify-content: center;
    padding: 13px 16px;
    font-size: 14px;
    box-sizing: border-box;
  }
}