.opacity img {
position: absolute; top: 0; left: 0; width: 100%; height: auto; opacity: 0.8; z-index: -1;
}
.login_area {
  margin: 0 auto;
}
.login_area .width{
  padding: 100px 0 60px 0;
  width: 500px;
  margin: 0 auto;
}
.tab_menu {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.tab_menu .tab_btn {
  flex: 1;
  padding-bottom: 20px;
  font-size: 24px;
  font-weight: 500;
  color: #999;
  border-bottom: 1px solid #e0e0e0;
}

.tab_menu .tab_btn.active {
  color: var(--brandColor);
  border-bottom: 2px solid var(--brandColor);
  font-weight: 600;
}

.login_form {
  display: flex;
  flex-direction: column;
}
.login_form .login_input {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.login_form input[type="text"],
.login_form input[type="password"] {
  width: 100%;
  height: 64px;
  padding: 22px 20px 20px;
  border-radius: 5px;
  border: solid 1px #d5d5d5;
  background-color: #fff ;
  font-size: 18px;
  color: #878787;
  letter-spacing: -0.54px;
}
.login_form input[type="text"],
.login_form input[type="password"],
.login_form input:-webkit-autofill {
  font-size: 18px !important;
  font-family: inherit;
  color: #878787;
  padding: 22px 20px 20px;
  background-color: #fff !important;
  -webkit-box-shadow: 0 0 0 1000px #fff inset;
  -webkit-text-fill-color: #878787 !important;
  transition: background-color 9999s ease-in-out 0s;
}
.checkbox_group {
  padding: 20px 0 27px 0;
  display: flex;
  gap: 26px;

}
.checkbox_group label {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.9px;
  color: #3a3a3a;
}

.login_form .btn_box {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.btn_login {
  width: 100%;
  background-color: var(--brandColor);
  color: #fff;
  padding: 20px;
  font-size: 20px;
  font-weight: 500;
  border-radius: 10px;
  letter-spacing: -0.6px;
}
.btn_join {
  background-color: #fff;
  color: var(--brandColor);
  border: 1px solid var(--brandColor);
  padding: 20px;
  font-size: 20px;
  font-weight: 500;
  border-radius: 10px;
  letter-spacing: -0.6px;
}
.link_group {
  padding: 20px 0 32px 0;
  font-size: 14px;
  color: #666;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 13px;
}
.link_group a {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.38;
  letter-spacing: -0.48px;
  color: #878787;
}
.sns_login {
  border-top: 1px solid #d5d5d5;
  padding-top: 32px;
}
.sns_login p {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.38;
  letter-spacing: -0.48px;
  text-align: center;
  color: #3a3a3a;
  margin-bottom: 20px;
}
.sns_links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
}
.sns_links a img {
  width: 40px;
  height: 40px;
  cursor: pointer;
}