body,
input,
button,
select,
textarea,
table {
  font-family: 'Helvetica Neue', Helvetica, Arial, '微軟正黑體', '微软雅黑',
    'メイリオ', '맑은 고딕', sans-serif !important;
}

body {
  font-size: 16px;
  padding: 0 !important;
  margin: 0 !important;
  width: 100% !important;
  height: 100% !important;
  background-color: #000;
}

.video_block {
  display: flex;
  justify-content: center;
  width: 100%;
  height: 100vh;
}

.video_block video {
  width: 100%;
  max-height: 100%;
  object-fit: contain;
  margin: 0;
}