:root{color-scheme:dark;--bg:#061735;--panel:#0b2653;--text:#f7fbff;--muted:#c7d7ee;--link:#9dd7ff;--line:#31517f}
*{box-sizing:border-box}
html{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
body{margin:0}
main{width:min(880px,calc(100% - 2rem));margin:0 auto;padding:2.5rem 0 4rem}
a{color:var(--link);text-underline-offset:.2em}
a:focus-visible{outline:3px solid #fff;outline-offset:4px}
h1{font-size:clamp(2rem,6vw,3.5rem);line-height:1.1}
h2{margin-top:2.25rem;line-height:1.25}
.lead{font-size:1.15rem;color:var(--muted)}
.notice{padding:1rem 1.2rem;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
table{width:100%;border-collapse:collapse;display:block;overflow-x:auto}
th,td{text-align:left;vertical-align:top;border:1px solid var(--line);padding:.7rem}
footer{border-top:1px solid var(--line);padding-top:1.5rem;margin-top:3rem;color:var(--muted)}