html {
  scroll-behavior: smooth;
}

.flex {
  display: flex;
}
.flexCenter {
  display: flex;
  justify-content: center;
  align-items: center;
}

.pc,
.tab,
.sp {
  display: none;
}

input {
  background: #f4f6f7;
  border-radius: 10px;
}

.supporter-link:hover {
  background-color: #e8e8e8;
}
.contact-link:hover,
.contact_submit:hover {
  background-color: #b90331;
}

.contact_textbox.error {
  border: solid 1px #ff3333;
}
.contact_submit:disabled {
  background-color: gray;
  color: #fff;
}

/* ポップアップ */

.overlay {
  display: none;
  z-index: 9999;
  background-color: #00000070;
  position: fixed;
  width: 100%;
  height: 100vh;
  top: 0;
  left: 0;
}
.window {
  width: 90vw;
  max-width: 45.94vw;
  background-color: #ffffff;
  border-radius: 6px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.window-inner {
  padding: 3vw;
  font-size: 1.53vw;
}

.window-inner > .blue {
  color: #18afdf;
  text-align: center;
  font-size: 2.39vw;
  margin-bottom: 0.83vw;
  font-weight: bold;
}

.success,
.failure {
  display: none;
}

.failure {
  font-size: 1.39vw;
}
.text {
  font-size: 18px;
  margin: 0;
}
.close {
  cursor: pointer;
  position: absolute;
  top: 4px;
  right: 4px;
  font-size: 20px;
}