.curtain {
  position: absolute;
  top: 0;
  right: 0;
  transform: translateX(100%);
  width: 480px;
  bottom: 0;
  height: 100vh;
  overflow: auto;
  display: flex;
  align-items: center;
  padding: 40px;
  box-sizing: border-box;
  background: #fff;
  transition: transform 225ms cubic-bezier(0, 0, 0.2, 1);
  will-change: transform;
}

.curtain__close {
  position: absolute;
  right: 20px;
  top: 20px;
  font-size: 24px;
  color: #333;
  text-decoration: none;
  font-weight: 200;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.15s ease-in-out;
}

.curtain__close:hover {
  opacity: 1;
}

.curtain__inner {
  width: 100%;
}

.curtain__inner_success {
  opacity: 0;
  transform: translateY(-20px);
  transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
  height: 0;
  overflow: hidden;
  position: absolute;
  text-align: center;
}

.curtain__icon {
  margin-bottom: 20px;
  width: 100px;
  display: inline-block;
  vertical-align: top;
}

.curtain__title,
.curtain__title-lost {
  font-size: 30px;
  line-height: 34px;
  margin-bottom: 20px;
  font-weight: 500;
}

.curtain__title-lost {
  display: none;
}

.curtain_active {
  transform: translateX(0);
}

.curtain__submit {
  display: flex;
  margin-top: 20px;
  align-items: center;
}

.curtain__error {
  flex-grow: 1;
  padding-left: 20px;
  color: red;
  font-size: 12px;
}

.curtain__submit-button-lost {
  display: none;
}

.curtain__hide-usual {
  display: none;
}

.curtain_demo .curtain__stripe {
  display: none;
}

.curtain_lost .curtain__stripe {
  display: none;
}

.curtain_lost .curtain__title {
  display: none;
}

.curtain_lost .curtain__title-lost {
  display: block;
}

.curtain_lost .curtain__submit-button-lost {
  display: block;
}

.curtain_lost .curtain__submit-button {
  display: none;
}

.curtain_lost .curtain__hide-lost {
  display: none;
}

.curtain_lost .curtain__hide-usual {
  display: block;
}

.curtain_success .curtain__inner_content {
  display: none;
}

.curtain_success .curtain__inner_success {
  opacity: 1;
  transform: translateY(0);
  height: auto;
  position: relative;
}

@media only screen and (max-width : 480px) {
  .curtain {
    width: 100%;
  }
}