#section-pdf_viewer .button_wrap {
  /* margin-top: 36px; */
  display: flex;
  justify-content: center;
}
#section-pdf_viewer .pdf_wrap {
  margin-top: 60px;
}
#section-pdf_viewer .bookmark__wrap {
  display: flex;
  justify-content: center;
}
#section-pdf_viewer .bookmark__wrap button {
  padding: 10px;
  min-height: 100px;
  flex: 1;
  border: 1px solid #333;
  border-right: none;
  cursor: pointer;
  font-family: "SamsungOne";
  font-size: 18px;
}
#section-pdf_viewer .bookmark__wrap button.active {
  background-color: #333333;
  color: #fff;
}
#section-pdf_viewer .bookmark__wrap button:last-child {
  border-right: 1px solid #333;
}
#pdf-container {
  margin: 0 auto;
  display: block;
  border: 1px solid #000;
  background-color: #f9f9f9;
  overflow-y: auto; /* 세로 스크롤을 허용 */
}

#pdf-container {
    overflow: auto; /* 또는 scroll */
    scrollbar-width: none;      /* Firefox */
    -ms-overflow-style: none;   /* IE 10+ */
}

#pdf-container::-webkit-scrollbar {  /* Chrome, Safari, Edge */
    display: none;
}

@media screen and (max-width: 1440px) {
  #section-pdf_viewer .button_wrap {
    margin-top: 2.50vw;
  }
  #section-pdf_viewer .pdf_wrap {
    margin-top: 4.16vw;
  }
  #section-pdf_viewer .bookmark__wrap button {
    padding: 0.69vw;
    min-height: 6.94vw;
    font-size: 1.25vw;
  }
}

@media screen and (max-width: 768px) {
  #section-pdf_viewer .button_wrap {
    margin-top: 40px;
    justify-content: center;
  }
  #section-pdf_viewer .pdf_wrap {
    margin-top: 40px;
  }
  #section-pdf_viewer .bookmark__wrap {
    justify-content: flex-start;
    overflow: auto hidden;
  }
  #section-pdf_viewer .bookmark__wrap button {
    padding: 14px;
    min-width: 170px;
    min-height: 100px;
    font-size: 17px;
  }
}