:root {
  --bg: #0C1633;
  --panel: #16234B;
  --line: #2B3A6B;
  --text: #F2F7FF;
  --sub: #A9B8D8;
  --lime: #B8F227;
  --cyan: #3BE0F0;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  line-height: 1.9;
  font-size: 15px;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 32px 20px 56px; }
header.brand { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
header.brand img.logo { width: 150px; height: auto; display: block; }
header.brand img.mascot { height: 64px; width: auto; display: block; }
header.brand a { display: inline-flex; align-items: center; gap: 14px; text-decoration: none; }
h1 { font-size: 26px; line-height: 1.4; margin: 0 0 8px; color: var(--cyan); }
h2 { font-size: 17px; margin: 32px 0 8px; color: var(--lime); }
p, li { color: #E4ECFB; }
ul, ol { padding-left: 1.4em; margin: 8px 0; }
a { color: var(--lime); }
a:hover { color: #D6FF6E; }
.lead { color: var(--sub); margin: 0 0 8px; }
.card { background: var(--panel); border: 3px solid var(--line); border-radius: 20px; padding: 18px 20px; margin: 16px 0; }
.links { display: grid; gap: 12px; margin: 24px 0; }
.links a {
  display: block; padding: 16px 20px; border-radius: 18px; background: var(--panel);
  border: 3px solid var(--line); color: var(--text); text-decoration: none; font-weight: 700;
}
.links a:hover { border-color: var(--lime); color: var(--text); }
.links a span { display: block; font-size: 12px; font-weight: 400; color: var(--sub); }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14px; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--sub); font-weight: 700; white-space: nowrap; }
footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--sub); font-size: 13px; }
footer a { color: var(--sub); margin-right: 16px; }
.date { color: var(--sub); font-size: 13px; margin-top: 32px; }