.tab-nav ul {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 10px;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}

.tab-nav ul li {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  font-size: 14px;
  list-style: none;
  max-width: 240px;
}
@media screen and (min-width: 768px) {
  .tab-nav ul li {
    font-size: 16px;
  }
}

.tab-nav ul li a {
  border: 1px solid #111;
  color: #111;
  display: inline-block;
  margin: 0 5px;
  padding: 20px;
  text-align: center;
  text-decoration: none;
  width: 100%;
}

.tab-nav ul li a:hover {
  background: rgba(34, 34, 34, 0.1);
}

.tab-nav ul li a.active {
  background: #111;
  color: #fff;
  position: relative;
}
.tab-nav ul li a.active::after {
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 10px solid #111;
  bottom: -10px;
  content: "";
  height: 0;
  left: 50%;
  position: absolute;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  width: 0;
}

.faq-question {
  background: rgba(34, 34, 34, 0.1) url(../../common/images/bg-stripe.png);
  font-size: 20px;
  padding: 20px;
  padding-left: 60px;
  position: relative;
}
@media screen and (min-width: 768px) {
  .faq-question {
    font-size: 24px;
  }
}

.faq-question::before {
  background: url(../images/q-title.png) left center/40px auto no-repeat;
  content: "";
  display: inline-block;
  height: 40px;
  left: 10px;
  position: absolute;
  top: calc(50% - 20px);
  width: 40px;
}

.faq-answer {
  padding: 20px;
  position: relative;
}

.faq-answer p {
  margin-bottom: 2em;
}
.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-answer strong {
  color: #c62828;
}

.faq-fibername {
  border-collapse: collapse;
  font-size: 14px;
  text-align: center;
  width: 100%;
}

.faq-fibername th {
  background: #111;
  color: #fff;
}

.faq-fibername th,
.faq-fibername td {
  border-bottom: 1px solid rgba(34, 34, 34, 0.2);
  padding: 5px;
}

.faq-list {
  border: 1px solid #222;
  font-size: 14px;
  padding: 20px;
}

.faw-list ol {
  padding-left: 0;
}

.faq-list li {
  border-bottom: 1px solid rgba(34, 34, 34, 0.2);
  list-style: none;
  margin-bottom: 10px;
  padding-bottom: 10px;
  padding-left: 40px;
  position: relative;
}
.faq-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.faq-list span {
  color: rgba(34, 34, 34, 0.2);
  display: inline-block;
  font-size: 20px;
  left: 0;
  line-height: 1;
  position: absolute;
}