.level_explain {
  display: flex;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s ease;
}

.level_explain.is-show {
  opacity: 1;
  visibility: visible;
}

.level_explain__content {
  background-color: rgba(255, 255, 255, 1);
  border: 3px solid #dedede;
  max-width: 90%;
  padding: 40px;
  opacity: 0;
  transition: all 0.5s ease;
}

.level_explain.is-show .level_explain__content {
  opacity: 1;
}

.level_explain__header {
  margin: 10px 0px 30px 0px;
}

.level_explain__note {
  font-size: 17px;
  margin-bottom: 10px;
  text-align: left;
  word-break: normal;
}

/* sp表示 */
@media (max-width: 767px) {
  .level_explain__content {
    max-width: 80%;
    padding: 14px;
  }

  .level_explain__note {
    font-size: 3vw;
  }

  .level_explain__body {
    margin-bottom: 10px;
  }
}