/** PC 등 */
@media all and (min-width:1024px) {
  .expert-join-area { flex-direction: row; padding: 0; }
  .inform-box { width: 670px; }
  .card-holder { flex-direction: row; }
  .card-item { height: 400px; width: 330px; }
}

/** 태블릿 등 */
@media all and (max-width:1023px) and (min-width:577px) {
  .expert-join-area { flex-direction: column; padding: 0 10px; }
  .inform-box { width: 670px; }
  .card-holder { flex-direction: row; }
  .card-item { height: 400px; width: 330px; }
}

/** 스마트폰 등 */
@media all and (max-width:577px) {
  .expert-join-area { flex-direction: column; padding: 0 5px; }
  .card-holder { flex-direction: column; }
  .card-item { height: 150px; }
  .card-item svg { display: none; }
}

.card-holder {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.card-item {
  border: 1px #c9c9c9 solid;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px;
  background-color: #ffffff;
  color: #000000;
  gap: 10px;
}

.expert-join-area {
  display: flex;
  background-color: #f5f6f9;
  justify-content: center;
  position: relative;
  width: calc(100vw - 20px);
  left: 50%;
  margin: 0;
  transform: translateX(-50%);
}

.welcome-message-box {
  display: flex;
  flex-direction: column;
  width: 250px;
  margin-right: 20px;
}

.welcome-message-box .welcome-title {
  font-size: 1.875em;
  color: #222;
  margin: 15px 0 15px;
}

.welcome-message-box .welcome-message {
  font-size: 1.375em;
  color: #05367b;
  margin: 0;
  line-height: 1.4;
}

.expert-type-text p {
  margin: 15px 5px 15px;
  font-size: 1.3em;
  font-weight: 400;
  color: #555;
  line-height: 1.875em;
}

.join-button {
  width: 80%;
  height: 55px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.join-button span {
  color: white;
  font-weight: 500;
}

.join-button.individual {
  background-color: #285fba;
}
.join-button.individual:hover {
  background-color: #1c4383;
  transition-duration: 300ms;
}

.join-button.institute {
  background-color: #415767;
}
.join-button.institute:hover {
  background-color: #2e3d48;
  transition-duration: 300ms;
}

.inform-box {
  margin: 15px 0 10px;
  padding-left: 5px;
}