/* フルページスクロール用: body はスクロールさせず #app 内で制御 */
html,
body {
  height: 100%;
  overflow: hidden;
}

html.front,
.front body {
  overflow: hidden;
}

#app {
  height: 100%;
  position: relative;
}

.section {
  position: absolute;
  inset: 0;
  overflow: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity 1s ease;
}

.section.active {
  opacity: 1;
  z-index: 2;
  pointer-events: auto;
}

.dummy {
  width: 90%;
  height: 800px;
  background: #f2f2f2;
  margin: 40px auto;
}

.horizontal-inner {
  display: flex;
  height: 100%;
}

.panel {
  flex: 0 0 100vw;
}