* {
  margin: 0;
  padding: 0;
  text-decoration: none;
  list-style: none;
  /* --content_width: 60%;
  --spContent-width: 375px; */
}

.footer_content {
  width: 100%;
  height: 45%;
  background-color: #f1f1f1;
  display: flex;
  justify-content: center;
}

.about_content {
  width: 20%;
  margin: 32px 0;
}

.about_content h3 {
  text-align: left;
  margin-bottom: 32px;
}

.about_content p {
  width: 100%;
  font-size: 0.9em;
}

.about_nav {
  margin-top: 20px;
}

.about_nav li {
  height: 20px;
}

.about_nav a::before {
  content: "▶";
}

.about_nav a {
  color: #000;
}

.menu_content {
  width: 20%;
  margin: 32px 16px;
}

.menu_content h3 {
  text-align: left;
  margin-bottom: 32px;
}

.menu_nav {
}

.menu_nav li {
  width: 100%;
  height: 50px;
  border-top: solid 1px #000;
  border-bottom: solid 1px #000;
}

.menu_nav li:hover::before {
  content: "▶";
}

.menu_nav li:nth-child(2) {
  width: 100%;
  height: 50px;
  border-top: none;
  border-bottom: solid 1px #000;
}

.menu_nav li:nth-child(3) {
  width: 100%;
  height: 50px;
  border-top: none;
  border-bottom: solid 1px #000;
}

.menu_nav li:nth-child(4) {
  width: 100%;
  height: 50px;
  border-top: none;
  border-bottom: solid 1px #000;
}

.menu_nav li:nth-child(5) {
  width: 100%;
  height: 50px;
  border-top: none;
  border-bottom: solid 1px #000;
}

.menu_nav a {
  margin-left: 16px;
  line-height: 50px;
  color: #000;
}

.x_content {
  width: 20%;
  margin: 32px 0;
}

.x_content h3 {
  text-align: left;
  margin-bottom: 32px;
}

@media (max-width: 500px) {
  .footer_content {
    width: 100%;
    height: 45%;
    background-color: #f1f1f1;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .about_content {
    width: 90%;
    margin: 32px auto 16px;
  }

  .about_content h3 {
    text-align: left;
    margin-bottom: 32px;
  }

  .about_content p {
    width: 100%;
    font-size: 0.9em;
  }

  .about_nav {
    margin-top: 20px;
  }

  .about_nav li {
    height: 20px;
  }

  .about_nav a::before {
    content: "▶";
  }

  .about_nav a {
    color: #000;
  }

  .menu_content {
    width: 90%;
    margin: 16px auto;
  }

  .menu_content h3 {
    text-align: left;
    margin-bottom: 32px;
  }

  .menu_nav {
  }

  .menu_nav li {
    width: 100%;
    height: 50px;
    border-top: solid 1px #000;
    border-bottom: solid 1px #000;
  }

  .menu_nav li:hover::before {
    content: "▶";
  }

  .menu_nav li:nth-child(2) {
    width: 100%;
    height: 50px;
    border-top: none;
    border-bottom: solid 1px #000;
  }

  .menu_nav li:nth-child(3) {
    width: 100%;
    height: 50px;
    border-top: none;
    border-bottom: solid 1px #000;
  }

  .menu_nav li:nth-child(4) {
    width: 100%;
    height: 50px;
    border-top: none;
    border-bottom: solid 1px #000;
  }

  .menu_nav li:nth-child(5) {
    width: 100%;
    height: 50px;
    border-top: none;
    border-bottom: solid 1px #000;
  }

  .menu_nav a {
    margin-left: 16px;
    line-height: 50px;
    color: #000;
  }

  .x_content {
    width: 90%;
    margin: 16px auto 32px;
  }

  .x_content h3 {
    text-align: left;
    margin-bottom: 32px;
  }
}