.online_inquiry {
  background-image: url("../images/pic_a041.jpg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  background-attachment: fixed;
  margin-top:  var(--spacing-xxxl);
}

.online_inquiry .section_title .ja,
.online_inquiry .section_title .en {
  

}

.online_inquiry .online_inquiry_button {
  margin-right: auto;
  margin-left: auto;
  color: var(--white);
  background-color: rgba(112, 112, 112, 0.5);
  border-color: rgba(112, 112, 112, 0.5);
  transition: var(--transition-duration) ease-out;
}

.online_inquiry .online_inquiry_button:hover,
.online_inquiry .online_inquiry_button:active {
  background-color: rgba(255, 255, 255, 0);
}

.online_inquiry .online_inquiry_button::before {
  background-color: transparent;
  transform: translateY(0);
}

.online_inquiry .online_inquiry_button .label::before {
  top: calc(50% - 12px);
  display: inline-block;
  width: 17px;
  height: 17px;
  margin-right: 10px;
  content: "";
  background-image: url(../images/30.png);
  background-repeat: no-repeat;
  background-size: 17px 17px;
}

.overlay_navigation .online_inquiry_button {
  margin-top: var(--spacing-md);
  margin-right: auto;
  margin-left: auto;
  color: var(--white);
  background-color: rgba(255, 255, 255, 0.2);
  border-color: var(--white);
  transition: var(--transition-duration) ease-out;
}

.overlay_navigation .online_inquiry_button:hover,
.overlay_navigation .online_inquiry_button:active {
  background-color: rgba(255, 255, 255, 0);
}

.overlay_navigation .online_inquiry_button::before {
  background-color: transparent;
  transform: translateY(0);
}

.overlay_navigation .online_inquiry_button .label::before {
  top: calc(50% - 12px);
  display: inline-block;
  width: 17px;
  height: 17px;
  margin-right: 10px;
  content: "";
  background-image: url(../images/30.png);
  background-repeat: no-repeat;
  background-size: 17px 17px;
}



.button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 200px;
  height: 48px;
  overflow: hidden;
  font-size: 20px;
  letter-spacing: 0.1em;
  background-color: var(--white);
  border: 1px solid var(--gray2);
}

.button > *,
.button:before {
  transition: var(--transition-duration) ease-out;
}

.button .label {
  position: relative;
  z-index: 1;
  font-family: var(--sans-serif-font-family);
}

.button:before {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 0;
  content: "";
  background: var(--gray2);
  opacity: 0;
}

.button:hover .label,
.button:active .label {
  color: white;
}

.button:hover:before,
.button:active:before {
  height: 100%;
  opacity: 1;
}