@charset "UTF-8";

/* common { */
html {
  height: 100%;
  font-size: 62.5%;
  font-family: sans-serif;
}
body {
  background-image: url("../img/nil2_bg.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: bottom right;
  background-attachment: fixed;
}
*, *::before, *::after {
  box-sizing: border-box;
}
/* } */

/* extra { */
.header {
  padding: 13px 21px;
  border-bottom: 1px solid #dddddd;
  background-color: #ffffff;
}
.header-title {
  font-size: 1.4rem;
}
.header-title-link {
  color: #000000;
  text-decoration: none;
}
.header-title-link:hover {
  text-decoration: underline;
}
.main {
  margin: 34px 0 0 0;
}
.section {
  margin: 34px 0 0 0;
}
.section-title {
  margin: 13px 0 0 0;
  font-size: 2.2rem;
  font-weight: bold;
}
.about-list {
  display: flex;
  margin: 21px 0 0 0;
  flex-direction: column;
  gap: 8px;
}
.about-term {
  font-size: 1.4rem;
  font-weight: bold;
}
.about-description {
  font-size: 1.4rem;
}
.link-list {
  display: flex;
  margin: 21px 0 0 0;
  flex-direction: column;
  gap: 8px;
}
.link-item {
  font-size: 1.4rem;
}
.link-icon {
  width: 2.0rem;
  color: initial;
  font-size: 1.6rem;
  line-height: 1.6rem;
  text-align: center;
}
.link-text {
  margin: 0 0 0 8px;
  color: #4183c4;
  text-decoration: none;
}
.link-text:hover {
  text-decoration: underline;
}
.footer {
  margin: 55px 0 0 0;
}
.footer-copyright {
  font-size: 1.4rem;
}
/* } */