.flexbox {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  gap: 4vw;
}
.flexbox .kv,
.flexbox .profile {
  width: calc(calc(100% - 4vw) / 2);
}
.flexbox .kv {
  text-align: center;
}
.flexbox .kv img {
  max-width: 100%;
  height: auto;
}

.thumbnail {
  text-align: center;
}

.card:nth-child(even) {
  background-color: #e8f5fc !important;
}
table th,
table td {
  padding: 1em 2em;
  border-bottom: 1px solid #ddd;
}
thead th {
  background-color: #d1ecfd;
  text-align: center;
  font-weight: 500;
}
.center {
  text-align: center;
}

p + table,
table + p {
  margin-top: 1em;
}

section:nth-child(even) .kv {
  order: 2;
}
table td ul {
  margin-left: 1em;
  text-indent: -1em;
}
.kv img {
  width: 100%;
  height: auto;
}

.sec03 .kv img {
  display: block;
  max-width: 1200px;
  margin: 0 auto;
}

@media screen and (max-width: 767px) {
  .thumbnail img {
    max-width: 100%;
    height: auto;
  }
  .flexbox {
    flex-direction: column;
  }
  .btn_footer_bottom .flexbox {
    flex-direction: row;
  }
  .flexbox .kv, .flexbox .profile {
    width: 100%;
  }
  table:has(thead) tbody td {
    display: table-cell;
  }
  section:nth-child(even) .kv {
    order: 1;
  }
  .flexbox .kv {
    order: 1;
  }
  .flexbox .profile {
    order: 2;
  }
  table {
    margin-top: 1em;
  }
  .content_menu_list_header {
    margin-top: 1em;
  }
  .thumbnail {
    width: 60%;
  }

}