.sitemap ul{list-style:none;}
.sitemap ul li ul {
  margin-top: .5em;
  margin-bottom: .75em;
  margin-left: 48px;
}
.sitemap ul li ul li {
  margin-bottom: .25em;
  position: relative;
}
.sitemap ul li ul li::before {
  content: "";
  position: absolute;
  top: -0.5em;
  left: -16px;
  width: 10px;
  height: calc(100% + .75em);
  border-left: 1px solid #3972b2;
}
.sitemap ul li ul li:last-child::before {
  height: calc(1em + .25em);
}
.sitemap ul li ul li::after {
  content: "";
  position: absolute;
  top: .75em;
  left: -16px;
  width: 10px;
  border-bottom: 1px solid #3972b2;
}


/*--------------------------------------------------------------
# Outline Section (Resumeセクションから引用）
--------------------------------------------------------------*/
.outline .outline-title {
  color: var(--heading-color);
  font-size: 26px;
  font-weight: 700;
  margin-top: 20px;
  margin-bottom: 20px;
}

.outline .outlinee-item {
  padding: 0 0 20px 20px;
  margin-top: -2px;
  border-left: 2px solid var(--accent-color);
  position: relative;
}

.outline .outline-item h4 {
  line-height: 18px;
  font-size: 18px;
  font-weight: 600;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--default-color), transparent 20%);
  margin-bottom: 10px;
}

.outline .outline-item h5 {
  font-size: 16px;
  padding: 5px 15px;
  display: inline-block;
  font-weight: 600;
  margin-bottom: 10px;
}

.outline .outline-item ul {
  padding-left: 20px;
}

.outline .outline-item ul li {
  padding-bottom: 10px;
}

.outline .outline-item:last-child {
  padding-bottom: 0;
}

.outline .outline-item::before {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50px;
  left: -9px;
  top: 0;
  background: var(--background-color);
  border: 2px solid var(--accent-color);
}