.popup-container {
  position: fixed;
  width: 410px;
  height: 650px;
  overflow: hidden;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  display: none;
  padding:1px;
  border: 1px solid black;
}

.popup-header {
  position: absolute;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  background-color: white;
  cursor: grab;
  box-sizing: border-box; 
  user-select: none;
  width: 410px;
  height: 50px;
  padding: 5px 15px; 
}

.popup-header div:last-child {
  margin-left: auto; /* 마지막 div를 우측으로 이동시킵니다 */
}

.popup-content {
  position: sticky;
  top: 50px;
  height: calc(100% - 50px);
}

.popup-title {
  font-size: 18px;
  font-family: Verdana, Tahoma, sans-serif;
  color: black;
  font-weight: bold;
  padding-left: 5px;
}

.popup-close {
  color: black;
  font-size: 24px;
  cursor: pointer;
}

iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.open-popup-button {
  position: relative;
  float: right;
  font-size: 1.5em;
  border: none;
  cursor: pointer;
}

.iframe-loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.8);
  z-index: 1;
}


.description_area {
  margin: 5px 150px;
  height: 775px;
}
.description_area > h1,h3,p {
  display: block;
  margin-block-start: 1em;
  margin-block-end: 1em;
  margin-inline-start: 0px;
  margin-inline-end: 0px;
}
.description_area > h1 {
  text-align: center;
  font-size: 2em;
  font-weight: bold;
}
.description_area > h3 {
  font-size: 1.17em;
  font-weight: bold;
}

.description_area > p {
  padding-left: 10px;
}
.description_area > p:first-of-type  {
  text-align: center;
  font-weight: bold;
}