* { box-sizing: border-box; }
body { margin: 0; background: #fff; color: #202020; font: 14px/1.5 "MS PGothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif; overflow-wrap: anywhere; }
header { background: #e9edf0; border-bottom: 1px solid #aaa; padding: 10px; font-size: 22px; }
a { color: #0645ad; }
a:visited { color: #663399; }
a.redlink, a.redlink:visited { color: #ba0000; }
.columns { display: grid; grid-template-columns: 190px minmax(0, 1fr); }
aside { background: #f3f3f3; padding: 8px; border-right: 1px solid #bbb; }
aside h2 { font-size: 14px; border-bottom: 1px solid #aaa; }
aside ul { padding-left: 18px; }
input { width: 100%; min-width: 0; }
main { min-width: 0; padding: 8px 12px; }
h1 { font-size: 24px; border-bottom: 1px solid #aaa; margin: 14px 0; }
h2 { font-size: 19px; border-bottom: 1px solid #aaa; }
h3 { font-size: 16px; }
.tabs { display: flex; flex-wrap: wrap; gap: 3px; border-bottom: 1px solid #aaa; }
.tabs a { border: 1px solid #aaa; padding: 3px 10px; background: #edf1f5; }
.tabs [aria-current] { background: #fff; color: #202020; }
.contents { display: table; background: #f7f7f7; border: 1px solid #aaa; padding: 8px 14px; max-width: 100%; }
.contents ol { padding-left: 20px; margin: 5px 0; }
.note { background: #ffffe8; border: 1px solid #bbb; padding: 8px; margin: 10px 0; }
sup { font-size: 10px; }
footer { border-top: 1px solid #aaa; margin-top: 24px; padding-top: 8px; font-size: 12px; }
pre { white-space: pre-wrap; }
img { max-width: 100%; height: auto; }
table { width: 100%; table-layout: fixed; }
@media (max-width: 600px) { .columns { display: flex; flex-direction: column; } aside { border-right: 0; border-bottom: 1px solid #aaa; } main { padding: 10px; } }

.categories h3 { margin: 8px 0 2px; }
.category-links { margin: 2px 0 8px; }
.note h2, .note p { margin: 0; }
aside ul { margin: 6px 0; }