body {
  background: #000;
  margin: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 82vh;
}


.logo{
    width: 50px;
    height: 16px;
}

.frame{
    position: absolute;
    width: 100%;
    top: -2.95em;
    left: 0;
}

.video-container {
  position: relative;
  width: 50%;
  max-width: 320px;
  margin-top: 70px;
}

video {
    margin: 0 auto;
  width: 82.8%;
  display: block;
  background: #000;
  object-fit: contain;
}

/* 再生ボタン */
.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.6);
}

/* ▶アイコン */
.play-btn::before {
  content: "";
  position: absolute;
  left: 55%;
  top: 50%;
  transform: translate(-50%,-50%);
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 14px solid white;
}

/* ボタン非表示 */
.play-btn.hide {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

@media screen and (max-width:768px) {
    video {
  width: 100%;
}

.frame{
    position: absolute;
    width: 119%;
    top: -12%;
    left: -10%;
}

}