/* tab menu */
.tab__panel-box {
  display: none;
  opacity: 0;
  margin-top: 3em;
}
.tab__panel-box.is-active {
  display: block;
  animation-name: displayAnime;
  animation-duration: 2s;
  animation-fill-mode: forwards;
}
@keyframes displayAnime{
from {
  opacity: 0;
}
to {
  opacity: 1;
}
}
.tab__menu {
  display: flex;
  width: 387px;
  margin-top: 3.75em;
  margin-left: auto;
  margin-right: auto;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 0 6px 0 rgba(0, 0, 0, .15);
  padding: 4px;
}
.tab__menu li {
  width: calc(100% /2);
}
.tab__menu li a {
  display: block;
  font-size: 1.6rem;
  color: #0081CC;
  font-weight: 700;
  font-family: "Inter", serif;
  border-radius: 8px;
  text-align: center;
  padding: 1em 0;
}
.tab__menu .tab__menu-item.active a {
  background: #0081CC;
  color: #fff;
}
.tab__panel-box h3 {
  text-align: center;
  color: #0081CC;
  font-size: 2.4rem;
  line-height: 1.5;
  margin-bottom: 1.667em;
}
.tab__panel-box h3 span {
  display: block;
  font-size: 1.8rem;
}
.content-container h3:first-of-type {
  text-align: center;
  color: #0080CB;
  line-height: 1.2;
  position: relative;
  font-size: 1.8rem;
  padding-bottom: 1em;
  margin-bottom: 1.667em;
}
.content-container h3:first-of-type span:after {
  content: "";
  width: 60px;
  height: 1px;
  background-color: #0081CC;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}
.case-wrap {
  margin-bottom: 2.5em;
}
.case-wrap h4 {
  position: relative;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1.333em;
  padding-left: 100px;
}
.case-wrap h4::before {
  content: "";
  width: 80px;
  height: 1px;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  background-color: #0081CC;
}
.topics-wrap {
  border: 3px solid #0081CC;
  padding: 1.125em;
}
.topics-wrap li {
  position: relative;
  font-size: clamp(12px,3.3vw,1.4rem);
  line-height: 2;
  padding-left: 26px;
}
.topics-wrap li::before {
  content: "";
  position: absolute;
  background: url(/example/img/icon-check.svg) no-repeat center left;
  width: 20px;
  height: 20px;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}
.case-wrap table {
  width: 100%;
  font-size: clamp(12px,3.3vw,1.4rem);
}
.case-wrap th {
  font-weight: 400;
}
.case-flow-wrap {
  background-color: #EDF6FA;
  border-radius: 10px;
  padding: 1.875em 2.5em;
}
.flow-list li {
  position: relative;
  font-size: clamp(12px,3.3vw,1.4rem);
  line-height: 1.8;
  padding-left: 18px;
}
.flow-list li::before {
  content: "";
  width: 12px;
  height: 12px;
  background-color: #0081CC;
  position: absolute;
  left: 0;
  top: 8px;
}

.case-flow-wrap h5 {
  font-size: 1.6rem;
  color: #0081CC;
  margin-bottom: 1.125em;
}

.progress-list li {
  font-size: clamp(12px,3.3vw,1.4rem);
  line-height: 1.8; 
  position: relative;
  padding-left: 18px;
}
.progress-list li::before {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #0081CC;
  left: 0;
  top: 8px;
}
.case-flow-wrap img {
  padding: 0.625em 0 1.25em
}
#case1, #case2 {
  scroll-margin-top: 100px;
}

@media (max-width: 520px) {
  .content-container h3:first-of-type {
    font-size: 1.1rem;
    line-height: 1.4;
  }
  .tab__menu {
    margin-top: 1em;
    width: 95%;
  }
  .tab__menu li a {
    font-size: 1rem;
    padding: .8em 0;
  }
  .tab__panel-box {
    margin-top: 1.5em;
  }
  .tab__panel-box h3 span {
    font-size: 1.1rem;
  }
  .case-wrap {
    margin-bottom: 1.6em;
  }
  .case-wrap h4 {
    font-size: 1rem;
    line-height: 1.3;
    padding-left: 12%;
  }
  .case-wrap h4::before {
    width: 30px;
  }
  .topics-wrap {
    padding: .6em;
  }
  .topics-wrap li {
    padding-left: 22px;
  }
  .topics-wrap li::before {
    background-size: 100%;
    width: 16px;
    height: 16px;
  }
  .case-wrap table {
    line-height: 1.5;
  }
  .case-flow-wrap {
    padding: .6em .6em 0;
  }
  .case-flow-wrap h5 {
    font-size: 1.1rem;
    margin-bottom: .6em;
  }
  ul.progress-list {
    padding-bottom: .8em;
  }
}