div#title_area {
  position: fixed;
  top: 0;
  z-index: 20;
  width: 100%;
  max-width: 1280px;
  margin: auto;
  height: 54px;
  height: calc(constant(safe-area-inset-top) + 54px);
  height: calc(env(safe-area-inset-top) + 54px);
  padding-top: calc(constant(safe-area-inset-top) + 0px);
  padding-top: calc(env(safe-area-inset-top) + 0px);
  line-height: 54px;
  background-color: #ffffff;
}
div#title_area div#btn_back {
  display: none;
  position: absolute;
  left: 10px;
  top: 0;
  top: calc(constant(safe-area-inset-top) + 0px);
  top: calc(env(safe-area-inset-top) + 0px);
  bottom: 0;
  margin: auto;
  width: 40px;
  height: 40px;
  text-align: center;
  cursor: pointer;
}
div#title_area div#btn_back img {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 10px;
  margin: auto;
  width: 18px;
  height: 14px;
}
div#title_area div#btn_back:hover {
  cursor: pointer;
}
div#title_area div#title {
  position: absolute;
  max-width: 70%;
  height: 100%;
  left: 0;
  top: 0;
  padding-top: calc(constant(safe-area-inset-top) + 0px);
  padding-top: calc(env(safe-area-inset-top) + 0px);
  line-height: 54px;
  right: 0;
  bottom: 0;
  margin: auto;
  text-align: center;
  font-size: 17px;
  font-weight: bold;
  color: #707070;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}
div#title_area div#title img {
  max-height: 90%;
  max-width: 80%;
  height: 20px;
  object-fit: contain;
}
div#title_area div#title:hover {
  cursor: pointer;
}

@media screen and (min-width: 1280px) {
  div#title_area div#title {
    font-size: 22px;
  }
}