.download_wrap {
  width: 100%;
  margin: auto;
}

.download_item {
  border-bottom: 1px solid #ddd;
  margin-bottom: 10px;
}

.download_title {
  font-size: 24px;
  font-weight: bold;
  padding: 25px 15px;
  cursor: pointer;
  position: relative;
}

.download_title::after {
  content: "＋";
  position: absolute;
  right: 15px;
  transition: transform 0.3s;
}

.download_item.active .download_title::after {
  content: "－";
}

.download_content {
  display: none;
  padding: 20px 20px 45px;
}

.download_inner {
  display: flex;flex-wrap: wrap;
  gap: 50px;
}

.card {
  width: 500px;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  padding: 30px;
  text-align: left;
}

.card2x { width: 20%; }

.card img {
  width: 100%;
  border-radius: 5px;
  margin-bottom: 15px;
}

.card h4 {
  margin-top: 20px;
  font-size: 22px;
  margin-bottom: 10px;
  font-weight: 700;
  line-height: 24px;
}

.card p {
  margin: 5px 0;
}

.btn_download {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 16px;
  border-radius: 20px;
  background: #000;
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  transition: 0.3s;
}

.btn_download:hover {
  background: #444;
}