.select {
  width: 250px;
  position: relative;
}
.select:after {
  content: "";
  position: absolute;
  top: calc(50% - 2px);
  right: 15px;
  left: auto;
  bottom: auto;
  translate: 0 -50%;
  vertical-align: middle;
  width: 12px;
  height: 12px;
  border-top: 1px solid var(--red);
  border-right: 1px solid var(--red);
  transform: rotate(135deg);
  pointer-events: none;
}
.select select {
  width: 100%;
  height: 45px;
  background-color: #f7f7f7;
  padding: 5px 15px;
  font-size: 16px;
  font-family: var(--noto-sans);
  cursor: pointer;
}
@media screen and (max-width: 767px) {
  .select select {
    height: 40px;
    padding: 5px 10px;
  }
}
.select select:focus {
  outline: none;
}
.select select option {
  color: var(--black);
}

ul.pdf-list {
  margin-top: 60px;
}
@media screen and (max-width: 767px) {
  ul.pdf-list {
    margin-top: 40px;
  }
}
ul.pdf-list li {
  display: none;
  border-bottom: 1px solid var(--line);
}
@media screen and (max-width: 767px) {
  ul.pdf-list li {
    border: none;
  }
}
ul.pdf-list li:first-child {
  display: block;
}
ul.pdf-list li dl {
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
@media screen and (max-width: 767px) {
  ul.pdf-list li dl {
    display: block;
    border: none;
    padding-bottom: 20px;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--line);
  }
}
ul.pdf-list li dl dt {
  font-size: 18px;
  width: 190px;
  background-color: var(--gray);
  border-right: 1px solid var(--line);
  padding: 10px 20px;
  font-weight: normal;
}
@media screen and (max-width: 767px) {
  ul.pdf-list li dl dt {
    width: 100%;
    border: none;
    background: transparent;
    padding: 0;
    font-size: 16px;
  }
}
ul.pdf-list li dl dd {
  font-size: 16px;
  width: calc(100% - 190px);
}
@media screen and (max-width: 767px) {
  ul.pdf-list li dl dd {
    width: 100%;
    border: none;
    font-size: 15px;
  }
}
ul.pdf-list li dl dd a {
  padding: 10px;
  display: block;
  position: relative;
  padding-left: 30px;
  transition: opacity 0.3s;
}
@media screen and (max-width: 767px) {
  ul.pdf-list li dl dd a {
    margin-top: 5px !important;
    padding: 0 0 0 20px;
  }
}
@media (hover) {
  ul.pdf-list li dl dd a:hover {
    opacity: 0.6;
  }
}
ul.pdf-list li dl dd a:before {
  content: "";
  position: absolute;
  top: 20px;
  left: 10px;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--red);
  border-right: 2px solid var(--red);
  transform: rotate(45deg);
  transition: left 0.1s linear;
  pointer-events: none;
}
@media screen and (max-width: 767px) {
  ul.pdf-list li dl dd a:before {
    top: 10px;
    left: 0;
  }
}