/* 動画（youtube.html）。一覧は tools/videos.mjs が content/videos.json から作る。
   動画の表示（サムネイルと再生ボタン）は sync.js・sync.css。色はサイトの茶色（#6c3b19）に合わせる */

.lab-videos {
  max-width: 1080px;
  margin: 0 auto;
  text-align: left;
}
.lab-videos-heading {
  margin: 0 0 0.6em;
  padding: 0.1em 0 0.1em 0.8em;
  border-left: 4px solid #6c3b19;
  font-size: 1.3em;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.08em;
}
.lab-videos-lead {
  margin: 0 0 1.6em;
}

/* 種類で絞り込む（JavaScript を使わず、ラジオボタンの選択で表示を切り替える） */
.lab-videos-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.lab-videos-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em;
  margin: 0 0 1.6em;
}
.lab-videos-chips label {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4em;
  padding: 0.1em 0.9em;
  border: 1px solid #6c3b19;
  color: #6c3b19;
  font-size: 0.9em;
  line-height: 2;
  cursor: pointer;
}
.lab-videos-chips label:hover {
  background: #f7f3ef;
}
#lab-videos-kind-all:checked ~ .lab-videos-chips label[for="lab-videos-kind-all"],
#lab-videos-kind-lecture:checked ~ .lab-videos-chips label[for="lab-videos-kind-lecture"],
#lab-videos-kind-talk:checked ~ .lab-videos-chips label[for="lab-videos-kind-talk"],
#lab-videos-kind-book:checked ~ .lab-videos-chips label[for="lab-videos-kind-book"],
#lab-videos-kind-interview:checked ~ .lab-videos-chips label[for="lab-videos-kind-interview"] {
  background: #6c3b19;
  color: #fff;
}
#lab-videos-kind-all:focus-visible ~ .lab-videos-chips label[for="lab-videos-kind-all"],
#lab-videos-kind-lecture:focus-visible ~ .lab-videos-chips label[for="lab-videos-kind-lecture"],
#lab-videos-kind-talk:focus-visible ~ .lab-videos-chips label[for="lab-videos-kind-talk"],
#lab-videos-kind-book:focus-visible ~ .lab-videos-chips label[for="lab-videos-kind-book"],
#lab-videos-kind-interview:focus-visible ~ .lab-videos-chips label[for="lab-videos-kind-interview"] {
  outline: 2px solid #6c3b19;
  outline-offset: 2px;
}
#lab-videos-kind-lecture:checked ~ .lab-videos-grid .lab-video:not([data-kind="lecture"]),
#lab-videos-kind-talk:checked ~ .lab-videos-grid .lab-video:not([data-kind="talk"]),
#lab-videos-kind-book:checked ~ .lab-videos-grid .lab-video:not([data-kind="book"]),
#lab-videos-kind-interview:checked ~ .lab-videos-grid .lab-video:not([data-kind="interview"]) {
  display: none;
}

/* 動画の一覧 */
.lab-videos-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 36px 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.lab-video {
  display: flex;
  flex-direction: column;
  scroll-margin-top: 90px; /* ほかのページから youtube.html#video-… で移動したとき、上部に出るメニューに隠れないように */
}
.lab-video-player {
  margin: 0 0 0.7em;
  background: #000;
  aspect-ratio: 16 / 9; /* 動画を表示する前（JavaScript の実行前）も高さを確保する */
}
.lab-video p {
  margin: 0;
}
.lab-video-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3em 0.8em;
}
.lab-video-meta time {
  color: #6c3b19;
  font-family: Vollkorn, serif;
  font-size: 1.05em;
  font-variant-numeric: lining-nums;
}
.lab-video-kind {
  padding: 0 0.5em;
  border: 1px solid #c9b8a6;
  color: #6c3b19;
  font-size: 0.75em;
  line-height: 1.8;
}
.lab-video-title {
  margin-top: 0.3em !important;
  font-size: 0.95em;
  font-weight: 500;
  line-height: 1.8;
  overflow-wrap: anywhere;
}
.lab-video-channel {
  margin-top: 0.2em !important;
  color: #666;
  font-size: 0.8em;
  line-height: 1.7;
}
.lab-video-link {
  margin-top: 0.2em !important;
  font-size: 0.8em;
}
.lab-video-link a {
  color: #6c3b19;
  text-decoration: underline;
}
/* いちばん新しい動画: 一覧の先頭に、大きな枠で表示する（書籍紹介の最新刊と同じ見せ方） */
.lab-video.-featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 0 40px;
  align-items: center;
  padding: 32px 36px;
  background: #f7f3ef;
}
.lab-video.-featured .lab-video-player {
  margin: 0;
}
.lab-video-label {
  display: inline-block;
  margin: 0 0 0.9em !important;
  padding: 0.1em 0.8em;
  background: #6c3b19;
  color: #fff;
  font-size: 0.85em;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.9;
}
.lab-video.-featured .lab-video-title {
  font-size: 1.2em;
  font-weight: 700;
  line-height: 1.7;
}
.lab-videos-more {
  margin-top: 3em;
  color: #555;
  font-size: 0.9em;
}
.lab-videos-more a {
  color: #6c3b19;
  text-decoration: underline;
}

@media only screen and (max-width: 1024px) {
  .lab-videos-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .lab-video.-featured {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding: 24px;
  }
}
@media only screen and (max-width: 641px) {
  .lab-videos-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }
  .lab-video.-featured {
    padding: 16px 16px 20px;
  }
  .lab-video.-featured .lab-video-title {
    font-size: 1.05em;
  }
}