/* 動画のポップアップ再生。全ページ共通で読み込む。 */
.video-modal[hidden] {
  display: none;
}

.video-modal {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgb(1 5 15 / 0.84);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.video-modal.is-open {
  opacity: 1;
}

.video-modal__dialog {
  width: min(100%, 58rem);
  max-height: calc(100dvh - 2rem);
  overflow: auto;
  padding: clamp(1rem, 2.5vw, 1.5rem);
  border: 1px solid rgb(77 232 255 / 0.55);
  background:
    linear-gradient(145deg, rgb(17 50 91 / 0.96), rgb(5 11 24 / 0.98) 56%),
    var(--abyss);
  box-shadow: 0 0 0 1px rgb(242 250 255 / 0.1) inset, 0 1.5rem 4rem rgb(0 0 0 / 0.5), 0 0 3rem rgb(77 232 255 / 0.16);
  transform: translateY(0.75rem) scale(0.98);
  transition: transform 0.2s var(--ease);
}

.video-modal.is-open .video-modal__dialog {
  transform: translateY(0) scale(1);
}

.video-modal__header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
  margin-bottom: 1rem;
}

.video-modal__eyebrow {
  display: block;
  color: var(--glow-cyan);
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.video-modal__title {
  margin-top: 0.2rem;
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  line-height: 1.55;
}

.video-modal__close,
.video-modal__youtube {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.55rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid rgb(77 232 255 / 0.5);
  background: rgb(5 11 24 / 0.54);
  color: var(--foam);
  cursor: pointer;
  font-size: 0.76rem;
  line-height: 1.3;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.video-modal__close:hover,
.video-modal__youtube:hover {
  border-color: var(--glow-cyan);
  background: rgb(77 232 255 / 0.14);
  color: var(--glow-cyan);
}

.video-modal__media {
  position: relative;
  display: grid;
  aspect-ratio: 16 / 9;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgb(242 250 255 / 0.24);
  background: #020713;
}

.video-modal__media iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.video-modal__demo {
  display: grid;
  place-items: center;
  gap: 0.8rem;
  width: 100%;
  height: 100%;
  padding: 1rem;
  background:
    radial-gradient(circle at 68% 28%, rgb(77 232 255 / 0.36), transparent 15%),
    radial-gradient(circle at 26% 74%, rgb(167 139 250 / 0.3), transparent 24%),
    linear-gradient(145deg, #123b70, #050b18 68%);
  text-align: center;
}

.video-modal__demo-play {
  position: relative;
  width: clamp(3.5rem, 10vw, 5rem);
  aspect-ratio: 1;
  border: 1px solid rgb(242 250 255 / 0.82);
  border-radius: 50%;
  box-shadow: 0 0 1.8rem rgb(77 232 255 / 0.68);
}

.video-modal__demo-play::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 54%;
  border-top: 0.55rem solid transparent;
  border-bottom: 0.55rem solid transparent;
  border-left: 0.8rem solid var(--foam);
  transform: translate(-50%, -50%);
}

.video-modal__demo p {
  color: rgb(242 250 255 / 0.86);
  font-size: clamp(0.72rem, 2.3vw, 0.92rem);
  line-height: 1.6;
}

.video-modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.video-popup-mark {
  display: inline-grid;
  width: 1.55rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  color: var(--glow-cyan);
  font-family: var(--mono);
  font-size: 0.58rem;
  line-height: 1;
}

.content-card .video-popup-mark {
  position: absolute;
  right: clamp(1.25rem, 2.6vw, 1.8rem);
  bottom: clamp(3.5rem, 6vw, 4.5rem);
}

.video-card-copy a .video-popup-mark {
  margin-right: 0.35rem;
  vertical-align: -0.25rem;
}

html.video-modal-open,
body.video-modal-open {
  overflow: hidden;
  overscroll-behavior: none;
}

@media (max-width: 600px) {
  .video-modal {
    padding: 0.75rem;
  }

  .video-modal__dialog {
    width: 100%;
    max-height: calc(100dvh - 1.5rem);
    padding: 0.85rem;
  }

  .video-modal__header {
    gap: 0.65rem;
  }

  .video-modal__close,
  .video-modal__youtube {
    min-height: 2.35rem;
    padding-inline: 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .video-modal,
  .video-modal__dialog {
    transition: none;
  }
}