* { box-sizing: border-box; }

body {
  margin: 0;
  color: #333;
  background: #fff;
  font-family: Arial, "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 13px;
  line-height: 1.7;
}

a { color: #0655a4; }
a:hover { color: #003a75; }

.site-header,
.legacy-home-frame,
.legacy-content,
.site-footer {
  width: calc(100% - 2rem);
  max-width: 950px;
  margin-right: auto;
  margin-left: auto;
}

.site-header { padding-top: .75rem; }

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.85rem;
  gap: 1rem;
  padding: 0 .5rem .55rem;
}

.brand {
  display: block;
  flex: 0 0 auto;
  line-height: 0;
  text-decoration: none;
}

.brand img {
  display: block;
  width: 287px;
  max-width: 100%;
  height: auto;
}

.header-links {
  margin: 0;
  color: #666;
  font-size: 12px;
  text-align: right;
}

.page-title-bar {
  min-height: 76px;
  padding: .55rem .6rem;
  border: 1px solid #aab8e6;
  background: linear-gradient(180deg, #2549b8 0%, #4265e2 70%, #718df7 100%);
}

.page-title {
  margin: 0;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
}

.legacy-home-frame {
  min-height: 500px;
  margin-bottom: 1rem;
  padding: 2.5rem 2.5rem 2rem;
  border: 1px solid #ccc;
  background: #fff;
}

.legacy-home-title {
  margin: 0 0 1.8rem;
  color: #d9534f;
  font-size: 24px;
  line-height: 1.5;
  text-align: center;
}

.legacy-home-frame p,
.legacy-home-frame ul {
  color: #333;
  font-size: 16px;
  line-height: 1.8;
  text-align: center;
}

.legacy-home-frame p { margin: 0 0 1.5rem; }

.course-list {
  display: block;
  margin: 0 auto 2rem;
  padding: 0;
  list-style: none;
}

.notice-list {
  margin: 0 auto 2.5rem;
  padding: 0;
  list-style: none;
}

.notice-list li { margin-bottom: .2rem; }

.legacy-home-frame hr {
  height: 0;
  margin: 2.5rem 0;
  border: 0;
  border-top: 1px solid #ccc;
}

.legacy-home-frame .support-note {
  margin-bottom: 0;
  font-size: 15px;
  line-height: 1.6;
}

.legacy-content { margin-bottom: 2rem; }

.legacy-subhead {
  margin: 0 0 1rem;
  padding: .5rem .65rem;
  background: #1e49ae;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

.standard-text { margin: 0 0 .85rem; }

.pagetop {
  margin-top: 2rem;
  padding-top: .5rem;
  border-top: 1px solid #ddd;
  text-align: right;
}

.site-footer {
  position: relative;
  margin-top: 1rem;
  padding: 1rem 0 1.1rem;
  border-top: 1px solid #888;
  color: #555;
  font-size: 12px;
  text-align: center;
}

.site-footer::before {
  position: absolute;
  top: 5px;
  right: 0;
  left: 0;
  border-top: 1px solid #aaa;
  content: "";
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .25rem .65rem;
  margin: 0 0 .35rem;
  padding: 0;
  list-style: none;
}

.footer-links li + li::before {
  margin-right: .65rem;
  color: #777;
  content: "-";
}

.site-footer a { color: #0655a4; }
.copyright { margin: 0; }

@media (max-width: 40rem) {
  .masthead { align-items: flex-start; flex-direction: column; gap: .25rem; }
  .header-links { text-align: left; }
  .page-title-bar { min-height: 60px; }
  .legacy-home-frame { padding: 1.25rem; }
  .legacy-home-frame p,
  .legacy-home-frame ul { font-size: 14px; }
  .legacy-home-title { font-size: 21px; }
}