.prt-table {
  margin: 24px 0;
  font-family: "Segoe UI", "Hiragino Sans", "Helvetica Neue", sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: #222;
}

.prt-title {
  font-size: 1.3em;
  font-weight: 700;
  margin-bottom: 14px;
  color: #fff;
  background: linear-gradient(90deg, #3b4cca, #2a2e8a);
  padding: 10px 14px;
  border-radius: 8px 8px 0 0;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  letter-spacing: 0.3px;
}

.prt-table table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border: 1px solid #dce1f0;
  border-radius: 0 0 10px 10px;
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(0,0,0,0.08);
}

.prt-table th {
  background: #f0f3fa; /* 落ち着いたブルーグレー */
  text-align: left;
  padding: 10px 14px;
  font-weight: 600;
  border-bottom: 1px solid #d6dbea;
  width: 28%;
  color: #2b2b2b;
  font-size: 0.95em;
}

.prt-table td {
  padding: 10px 14px;
  border-bottom: 1px solid #f0f0f0;
  background: #fff;
  font-size: 0.95em;
}

.prt-table tr:nth-child(even) td {
  background: #fafbfe;
}

@media (max-width: 600px) {
  .prt-table table, 
  .prt-table tr, 
  .prt-table th, 
  .prt-table td {
    display: block;
    width: 100%;
  }
  .prt-table th {
    background: transparent;
    color: #3b4cca;
    border: none;
    font-size: 0.9em;
    padding: 6px 0 2px;
  }
  .prt-table td {
    padding: 6px 0 12px;
    border: none;
    border-bottom: 1px solid #eee;
  }
  .prt-table tr {
    margin-bottom: 12px;
    border: none;
  }
}

.prt-icon {
  width: 28px;
  height: 28px;
  vertical-align: middle;
  margin-right: 6px;
}

.prt-highlight {
  font-weight: bold;
  color: #fff;
  background: linear-gradient(90deg, #ff66b2, #ff99cc);
  padding: 3px 8px;
  border-radius: 8px;
  box-shadow: 0 0 6px rgba(255, 102, 178, 0.4);
}