header {
  border-top: 2px solid #009260;
  border-bottom: 1px solid #aad6c7;
  margin: 0 0 40px;
}
header .logo {
  width: 926px;
  margin: 0 auto;
  padding: 5px 0;
}
header .logo img.sp {
  display: none;
}
.content {
  width: 926px;
  margin: 0 auto;
  color: #555;
}
.content h1 {
  font-size: 32px;
  margin-bottom: 30px;
}
.content h2 {
  font-size: 25px;
  margin-bottom: 15px;
  border-bottom: 2px solid #009260;
}
.content .intro {
  margin-bottom: 40px;
}
.content .intro p {
  font-size: 15px;
  line-height: 1.4;
  margin-bottom: 10px;
}
.content .intro .remarks {
  padding-left: 1em;
  text-indent: -1em;
  margin-bottom: 0;
}
.content table {
  border: 1px solid #dbdbdb;
  font-size: 15px;
  margin-bottom: 40px;
  line-height: 1.6em;
}
.content table .txt-center {
  text-align: center;
}
.content table th {
  border: 1px solid #dbdbdb;
  border-collapse: collapse;
  border-right: 3px double #dbdbdb;
  padding: 20px 10px;
  font-size: 13px;
  vertical-align: middle;
  background: #efefef;
}
.content table td {
  border: 1px solid #dbdbdb;
  border-collapse: collapse;
  padding: 10px;
  vertical-align: middle;
  width: 42%;
}
.content table em {
  font-style: normal;
  color: #009260;
  font-weight: bold;
}
.content table .productName {
  font-weight: bold;
  text-align: center;
  font-size: 18px;
  color: #009260;
}
.content table ul li {
  margin-bottom: 30px;
}
.content table ul li:last-child {
  margin-bottom: 0px;
}
.content .precautions {
  margin-bottom: 40px;
}
.content .precautions h3 {
  font-size: 20px;
  margin-bottom: 10px;
}
.content .precautions ul {
  font-size: 15px;
  background: #efefef;
  padding: 20px;
  border: 1px solid #dbdbdb;
}
.content .precautions ul li {
  padding-left: 1em;
  text-indent: -1em;
}
.content .for_more_info {
  text-align: center;
  margin-bottom: 60px;
}
.content .for_more_info h4 {
  font-size: 22px;
  color: #009260;
}
footer {
  background: #009260;
}
footer .foot_contents {
  width: 926px;
  margin: 0 auto;
  padding: 50px 0;
  text-align: center;
  color: #fff;
  font-size: 14px;
}

@media screen and (max-width: 768px) {
  header .logo,
  .content,
  footer .foot_contents {
    width: 100%;
  }
  .content .intro,
  .content table,
  .content .precautions {
    margin-bottom: 30px;
  }
  header {
    background: #019261;
    border-bottom: 0px;
    margin: 0 0 15px;
  }
  header .logo {
    padding: 10px;
  }
  header .logo img {
    width: 90px;
    max-width: 100%;
    height: auto;
  }
  header .logo img.pc {
    display: none;
  }
  header .logo img.sp {
    display: inline-block;
  }
  .content {
    padding: 0 10px;
  }
  .content h1 {
    font-size: 24px;
    margin-bottom: 15px;
  }
  .content h2 {
    font-size: 16px;
    border-bottom: none;
    border-left: 5px solid #009260;
    padding-left: 5px;
  }
  .content .intro p {
    font-size: 13px;
    line-height: 1.7;
    margin-bottom: 15px;
  }
  .content table {
    border: none;
    border-right: 1px solid #dbdbdb;
    border-bottom: 1px solid #dbdbdb;
    border-left: 1px solid #dbdbdb;
    position: relative; /* 擬似要素の基準 */
  }
  .content table::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1px;
    background: #dbdbdb;
    transform: translateX(-0.5px); /* HiDPIでもにじみにくく中央に */
    pointer-events: none;
  }

  .content table th {
    width: 100%;
    display: block;
    border: none;
    border-top: 1px solid #dbdbdb;
    border-bottom: 1px solid #dbdbdb;
    padding: 5px 10px;
    position: relative;
    z-index: 2; /* Place over the line to hide it on th */
  }
  .content table th:not(:first-child) {
    border-top: 1px solid #dbdbdb;
  }
  .content table td {
    padding: 5px;
    display: block;
    width: 50%;
    border: none;
    float: left;
  }

  /* 重複を避ける：セルの左右線は消す */
  .content table td:nth-of-type(even) {
    border-left: none;
  }
  .content table td:nth-of-type(odd) {
    border-right: none;
  }

  /* セルごとの ::after は使わない（入れていたら削除/無効化） */
  .content table td:nth-of-type(odd)::after {
    content: none;
  }

  .content table td.bdr-top-dotted {
    border-top: 1px dotted #dbdbdb;
  }
  .content table,
  .content table .productName {
    font-size: 13px;
  }
  .content table ul li {
    margin-bottom: 20px;
  }
  .content .precautions h3 {
    font-size: 16px;
  }
  .content .precautions ul {
    padding: 10px 10px 10px 5px;
    font-size: 13px;
  }
  .content .precautions ul li {
    padding-left: 1em;
    text-indent: -0.5em;
    margin-bottom: 10px;
  }
  .content .precautions ul li:last-child {
    margin-bottom: 0px;
  }
  .content .for_more_info {
    text-align: left;
    margin-bottom: 30px;
  }
  .content .for_more_info h4 {
    font-size: 16px;
    margin-bottom: 10px;
  }
  .content .for_more_info p {
    font-size: 13px;
  }
  footer .foot_contents {
    font-size: 10px;
    padding: 20px;
  }
  .content table td:first-of-type::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 100%;
    width: 1px;
    background: #dbdbdb;
    transform: translateX(-0.5px);
    pointer-events: none;
  }
  .content table td::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 100%;
    width: 1px;
    background: #dbdbdb;
    transform: translateX(-0.5px);
    pointer-events: none;
  }
}