.content
{
    /* background-image: url(../img/about/fixed-bg.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed; */
    position: relative;
}
.content::before
{
    content: "";
  position: fixed; /* ← 疑似要素を固定する */
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../img/about/fixed-bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -1; /* コンテンツの下に配置 */
  pointer-events: none; /* 背景がクリックを邪魔しないように */
}

.about>h2
{
    text-align: center;
    font-size: 26px;
    position: relative;
}
.about>h2::after
{
    content: "";
    position: absolute;
    width: 15%;
    aspect-ratio: 143/14;
    background-image: url(../img/about-line.svg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    left: 50%;
    bottom: -40px;
    transform: translateX(-50%);
}
.about-logo-wrap
{
    display: flex;
    flex-direction: column;
}
.about-logo
{
    width: 50%;
    margin: 60px auto 30px;
}
.about-logo-wrap>p
{
    font-size: 25px;
    text-align: center;
    padding-right: 7%;
}

  table {
    width: 100%;
    border-collapse: collapse;
    background-color: #0D0C0C;
    margin: 60px auto;
  }
  th, td {
    border: 1px solid #5A5A5A;
    padding:2.5% 4%;
    vertical-align: top;
    box-sizing: border-box;
    /* line-height: 2em; */
    line-height: 30px;
    font-size: 16px;
  }
  th {
    width: 20%;
    background-color: #2b2b2b;
    font-weight: bold;
    text-align: left;
  }
  td
  {
    font-weight: 400;
  }
  a {
    text-decoration: underline;
  }
  a:hover {
    opacity: 0.8;
    transition: all 0.3s;
  }

  @media all and (max-width:768px) {
    .about>h2
  {
      font-size: 22px;
  }
  .about>h2::after
  {
    width: 50%;
    bottom: -40px;
  }
  .about-logo
  {
    width: 90%;
  }
  .about-logo-wrap>p
  {
    font-size: 16px;
  }

  table, thead, tbody, th, td, tr {
    display: block;
    width: 100%;
  }

  /* 各行の区切り */

  th {
    background-color: transparent;
    border: none;
    font-size: 16px;
    padding: 3%;
    color: #fff;
    background-color: #2B2B2B;
    border-radius: 5px;
  }

  td {
    margin-top: 15px;
    border: none;
    padding: 0 0 10px 0;
    line-height: 1.8em;
    font-size: 16px;
  }

  /* 枠線を消してシンプルに */
  table {
    border: none;
    margin: 20px auto 0;
    position: relative;
    z-index: 10;
    padding-top: 30px;
    padding-bottom: 120px;
  }
  table::before
  { 
    content: "";
    position: absolute;
    left: -5%;
    top: 0;
    z-index: -1;
    display: inline-block;
    width: 100vw;
    height: 100%;
    
    background-color: #0D0C0C;
  }
  .about
  {
    margin-bottom: 0 !important;
  }

  }