@charset "utf-8";

.mb-0 {
  margin-bottom: 0 !important;
}

.mb-20 {
  margin-bottom: 20px;
}

.mb-40 {
  margin-bottom: 40px;
}

.mb-60 {
  margin-bottom: 60px;
}

.pt-20 {
  padding-top: 20px;
}

.py-20 {
  padding-block: 20px;
}

.py-40 {
  padding-block: 40px;
}

.fs-14 {
  font-size: 14px;
  line-height: 1.5;
}

.fw-bold {
  font-weight: bold;
}

.d-flex {
  display: flex;
}

.d-block {
  display: block;
}

.justify-content-center {
  justify-content: center;
}

.justify-space-between {
  justify-content: space-between;
}

.align-items-center {
  align-items: center;
}

.position-relative {
  position: relative;
}

.txt-center {
  text-align: center;
}

.txt-black {
  color: var(--clr-neutral-900);
}

.txt-red {
  color: var(--clr-red)
}

.word-break {
  word-break: break-all;
}

.sub-sec-ttl,
.topic-content {
  margin-bottom: 40px;
}

.topic-content:last-child {
  margin-bottom: 0;
}

.blue-ttl {
  color: var(--clr-tertiary);
  font-size: 16px;
  line-height: 2;
  margin-bottom: 10px;
}

.gray-border {
  border: 1px solid var(--clr-border);
  padding: 20px;
}

.gray-container {
  background-color: var(--clr-bg);
  padding: 20px 20px;
}

.gray-border-dashed {
  border-top: 1px dashed var(--clr-border);
  padding-top: 20px;
}

.gray-border-bottom {
  border-bottom: 1px solid var(--clr-border);
}

.sec-topic-img {
  width: fit-content;
  margin: 0 auto;
}

.topic-table,
.abbr-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.topic-table tr th,
.topic-table tr td,
.abbr-table tr th,
.abbr-table tr td {
  padding: 10px 0;
  border: 1px solid var(--clr-border);
  vertical-align: middle;
  text-align: center;
}

.blue-bg-th {
  background-color: #5DBEEA;
  color: var(--clr-neutral-100);
  font-size: 14px;
  line-height: 2.3;
}

.topic-table tbody tr th {
  background-color: var(--clr-bg);
}

.link-btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  line-height: 1.5;
  padding: 10px 20px;
  margin-top: 20px;
  color: var(--clr-neutral-100);
  font-weight: 500;
  transition: opacity .6s;
  max-width: 100%;
  border-radius: 100vw;
  gap: 5px;
  flex: 0 0 auto;
}

.link-btn-width {
  width: 280px;
}

.link-btn:hover {
  opacity: 0.7;
}

.green-btn {
  background-color: var(--clr-primary);
  margin-right: 10px;
}

.green-border-btn {
  color: var(--clr-primary);
  border: 1px solid var(--clr-primary);
  margin-left: 10px;
}

.gray-btn {
  background-color: var(--clr-neutral-900);
  margin-right: 10px;
}

.gray-border-btn {
  color: var(--clr-neutral-900);
  border: 1px solid var(--clr-neutral-900);
  margin-left: 10px;
}

.topic-list li {
  font-size: 14px;
  line-height: 1.5;
  padding-left: 15px;
  position: relative;
}

.topic-list li::before {
  content: "※";
  position: absolute;
  top: 0;
  left: 0;
}

.step-list {
  counter-reset: number;
  padding-left: 0;
}

.step-list>li {
  padding-left: 55px;
  margin-bottom: 20px;
  position: relative;
}

.step-list>li::before {
  content: 'Step'counter(number)'.';
  counter-increment: number;
  position: absolute;
  top: 0;
  left: 0;
  font-weight: bold;
}

.condition-list {
  padding: 0
}

.condition-list li {
  padding-left: 1em;
  text-indent: -1em;
}

.abstract-img {
  width: 926px;
  max-width: 100%;
}

.journal-list li {
  padding-left: 15px;
  position: relative;
}

.journal-list li::before {
  content: "・";
  position: absolute;
  top: 0;
  left: 0;
}

.w-50 {
  width: 49.5%;
}

.abbr-table tr th,
.abbr-table tr td {
  font-size: 14px;
  line-height: 2.3;
}

.abbr-table tr th:first-child {
  background-color: var(--clr-bg);
}

.abbr-table tr th:last-child {
  background-color: #DFEFFC;
}

.eng-abstract .link-btn {
  padding: 10px 50px;
}

@media (max-width: 768.9px) {
  .main-content {
    padding-bottom: 40px;
  }

  .mb-60 {
    margin-bottom: 40px;
  }

  .topic-content h4 {
    margin-bottom: 10px;
  }

  .topic-table tr th,
  .topic-table tr td {
    padding: 8px;
  }

  .flex-direction-column {
    flex-direction: column;
  }

  .green-btn,
  .gray-btn {
    margin-right: 0;
  }

  .green-border-btn,
  .gray-border-btn {
    margin-left: 0;
  }

  .step-list>li {
    padding-left: 0;
  }

  .step-list>li::before {
    position: unset;
    display: block;
  }

  .eng-abstract .link-btn {
    width: 304px;
    padding: 10px;
    border-radius: 22px;
  }
}