.page_wrapper {
  width: 100%;
  max-width: 1000px;
  min-width: 320px;
  min-height: 100vh;
  background-color: #fff;
  box-sizing: border-box;
  padding: 2rem 5%;
  margin: auto;
  overflow: hidden;
}

h1.title {
  font-size: 2.4rem;
  font-weight: bold;
  margin-bottom: 2rem;
}
p.description {
  font-size: 1.6rem;
  color: #65717C;
}

.form_box {
  width: 100%;
  overflow: hidden;
  margin-top: 3rem;
}

.input_item_box {
  width: 100%;
  height: 4rem;
  border-bottom: 1px solid #65717C;
  margin-bottom: 2.4rem;
  display: flex;
  align-items: center;
  position: relative;
}

.input_item_box input {
  width: 100%;
  border: none;
  border-radius: 0;
  outline:none;
  font-size: 1.5rem;
  line-height: 4rem;
  
}

.input_item_box .icon_eye {
  flex-shrink: 0;
  width: 1.8rem;
  height: 1.8rem;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  background-image: url('../img/icon_eye_hide.png');
  margin-left: 1.5rem;
  cursor: pointer;
}
.input_item_box .icon_eye.on {
  background-image: url('../img/icon_eye.png');
}

.input_item_box .pwd_format_desc {
  font-size: 1.3rem;
  color: #65717C;
  position: absolute;
  left: 0;
  top: 4.5rem;
  transition: top 0.4s ease;
}

.input_item_box .input_error_text {
  font-size: 1.3rem;
  color: #EB5757;
  position: absolute;
  left: 0;
  top: 4.3rem;
}

.submit_btn {
  max-width: 500px;
  padding: 1rem 0;
  border-radius: 0.8rem;
  background-color: #91C68D;
  font-size: 1.5rem;
  color: #fff;
  text-align: center;
  margin: 7rem auto 2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.submit_btn .icon_loading {
  display: block;
  width: 1.8rem;
  height: 1.8rem;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  background-image: url('../img/icon_loading.gif');
  margin-right: 0.8rem;
  display: none;
}