/* =============================
  講演・セミナー ページ固有スタイル
============================= */
body.seminar-list-page {
  background: #fff;
}
body.seminar-list-page .content-box + .content-box {
  margin-top: 80px;
}
.seminar-list > div,
.seminar-form > div {
  max-width: 100%;
}
.seminar-list-page main {
  padding-bottom: 0;
}

.seminar-list-page .wrap {
  background: #fff5f5;
  padding-bottom: 130px;
}

/* コンテンツラッパー */
.seminar-list-page .content-box {
  background: #fff;
  max-width: 1200px;
  margin: 0 auto;
  padding: 30px;
}

/* ページタイトル */
.seminar-list-page .page-title-bar {
  background: #b32222;
  padding: 28px 32px 22px;
  margin-bottom: 50px;
}
.seminar-list-page .page-title-bar h1 {
  color: #fff;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 4px;
}
.seminar-list-page .page-title-bar .en {
  color: #fff;
  font-size: 14px;
  letter-spacing: 0.08em;
  margin: 0;
}

/* セミナー一リード文*/
.seminar-lead {
  text-align: center;
  margin-bottom: 50px;
}
.seminar-lead-text {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 30px;
}
.seminar-form-btn {
  display: inline-block;
  padding: 15px 60px;
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  background: #F18D2B;
  border-radius: 999px;
  transition: 0.3s;
}
.seminar-form-btn:hover {
  background-color: #d97a1f;
}

/* セミナー一覧コンテナ */
.seminar-list-wrap {
  margin: 0 auto;
  padding: 0 0 30px;
}

/* セミナーカード */
.seminar-card {
  padding: 30px 30px 0;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  margin-bottom: 20px;
  overflow: hidden;
}

/* カード本体（常時表示） */
.seminar-card-body {
  display: flex;
  gap: 30px;
  align-items: flex-start;
}

/* 講演者写真 */
.seminar-speaker-photo {
  flex-shrink: 0;
  width: 140px;
  height: 160px;
  overflow: hidden;
}
.seminar-speaker-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* セミナー情報 */
.seminar-info {
  flex: 1;
  min-width: 0;
}

/* メタ情報（種別・日時） */
.seminar-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  margin-bottom: 8px;
}
/* .seminar-type {
  display: inline-block;
  padding: 2px 10px;
  font-size: 13px;
  color: #fff;
  width: fit-content;
  background: #b32222;
  border-radius: 999px;
} */
.seminar-datetime-group {
  display: flex;         /* 日付と時間を横並びにする */
  gap: 12px;
}

/* タイトル行（ID + タイトル） */
.seminar-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.seminar-id {
  flex-shrink: 0;
  display: inline-block;
  background: #f7dbdb;
  font-size: 14px;
  padding: 2px 8px;
  border-radius: 4px;
  margin-top: 3px;
}
.seminar-title {
  font-size: 20px;
  line-height: 1.4;
  margin: 0;
}

/* 会社・部署・登壇者 */
.seminar-speaker {
  font-weight: bold;
}

/* 詳細ボタン */
.seminar-btn-wrap {
  display: flex;
  justify-content: flex-end;
}
.seminar-list-page .btn-detail {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #666666;
  /* background: #868484; */
  background: #fff;
  border: 0;
  border-radius: 999px;
  padding: 8px 20px;
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid #666666;
}
.seminar-list-page .btn-detail .arrow {
  position: relative;
  display: inline-block;
  width: 10.9px;
  height: 5.9px;
  transition: transform 0.4s ease;
}
.seminar-list-page .btn-detail .arrow::before,
.seminar-list-page .btn-detail .arrow::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: calc(50% - 0.5px);
  width: 1px;
  height: 8px;
  border-radius: 9999px;
  background-color: #666666;
  transform-origin: 50% calc(100% - 0.5px);
}
.seminar-list-page .btn-detail .arrow::before {
  transform: rotate(45deg);
}
.seminar-list-page .btn-detail .arrow::after {
  transform: rotate(-45deg);
}
.seminar-card.is-open .btn-detail .arrow {
  transform: rotate(180deg);
}

/* 詳細エリア（アコーディオン） */
.seminar-detail {
  padding-top: 30px;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.5s ease;
}

/* セミナー詳細バー */
.seminar-detail-bar {
  background: #b32222;
  color: #fff;
  font-size: 17px;
  font-weight: bold;
  padding: 10px 20px;
  margin-bottom: 20px;
}

/* 詳細コンテンツ */
.seminar-detail-content {
  padding-bottom: 30px;
}
.seminar-detail-desc {
  line-height: 1.8;
  margin-bottom: 40px;
}
.seminar-detail-title {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 10px;
}

/* プロフィール */
.seminar-profile-label {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 8px;
  padding-left: 16px;
  position: relative;
  &:before {
    position: absolute;
    top: 50%;
    left: 0;
    content: "";
    width: 10px;
    height: 4px;
    background: #b32222;
    transform: translateY(-50%);
  }
}

/* SPサイト */
@media only screen and (max-width: 880px) {
  .seminar-list-page .wrap {
    padding-top: 20px;
    padding-bottom: 50px;
  }
  /* セミナー一リード文*/
  .seminar-lead-text {
    font-size: 16px;
    margin-bottom: 20px;
  }
  .seminar-form-btn {
    padding: 10px 20px;
    font-size: 15px;
  }
  .seminar-list {
    padding: 0;
  }
  .seminar-list-page .content-box {
    max-width: calc(100% - 30px);
    padding: 15px;
  }
  .seminar-list-page .page-title-bar {
    padding: 20px 15px;
    margin-bottom: 20px;
  }
  .seminar-list-page .page-title-bar h1 {
    font-size: 1.3rem;
  }
  .seminar-card {
    padding: 15px 15px 0;
  }
  .seminar-card-body {
    gap: 14px;
    flex-direction: column;
  }
  .seminar-speaker-photo {
    margin: 0 auto;
    width: 80%;
    height: auto;
    aspect-ratio: 1 / 1;
  }
  .seminar-meta {
    flex-direction: column;
    align-items: start;
    gap: 3px;
  }
  .seminar-title-row {
    flex-direction: column;
    align-items: start;
  }
  .seminar-id {
    font-size: 12px;
  }
  .seminar-title {
    font-size: 17px;
    text-align: left;
  }
  .seminar-company, .seminar-dept, .seminar-speaker {
    font-size: 14px;
    line-height: 1.6;
  }
  .seminar-detail {
    padding-top: 20px;
  }
  .seminar-detail-bar {
    font-size: 16px;
    padding: 8px 10px;
    margin-bottom: 10px;
  }
  .seminar-detail-title {
    font-size: 17px;
    line-height: 1.6;
  }
  .seminar-detail-desc {
    margin-bottom: 30px;
  }
  .seminar-profile-label {
    font-size: 17px;
  }

}