:root{--desk:#e6e2d9;--sheet:#faf8f3;--ink:#1b1a18;--sub:#7a756b;--rule:#d3cdc0;--rule-strong:#a9a293;--shu:#b8402a}
@media (prefers-color-scheme: dark){:root{--desk:#141413;--sheet:#1e1d1b;--ink:#e8e4da;--sub:#8f897d;--rule:#34322e;--rule-strong:#55514a;--shu:#e0715a}}
*{box-sizing:border-box}
body{margin:0;background:var(--desk);color:var(--ink);font-family:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;font-size:15px;line-height:1.9;font-variant-numeric:tabular-nums}
.bar{display:flex;align-items:stretch;justify-content:space-between;background:var(--sheet);border-bottom:1px solid var(--ink)}
.bar a.brand{padding:14px 22px;font-family:"Shippori Mincho",serif;font-size:19px;font-weight:700;letter-spacing:.08em;color:inherit;text-decoration:none;white-space:nowrap}
.bar a.go{display:flex;align-items:center;background:var(--ink);color:var(--sheet);padding:0 22px;text-decoration:none;font-size:13px;white-space:nowrap}
article{max-width:720px;margin:0 auto;background:var(--sheet);padding:40px 48px 56px;border-left:1px solid var(--rule-strong);border-right:1px solid var(--rule-strong);min-height:calc(100vh - 54px)}
h1{font-family:"Shippori Mincho",serif;font-size:26px;line-height:1.5;margin:0 0 6px;letter-spacing:.04em}
.meta{color:var(--sub);font-size:12px;margin:0 0 28px;padding-bottom:14px;border-bottom:1px solid var(--ink)}
h2{font-size:16px;margin:36px 0 10px;padding-top:8px;border-top:1px solid var(--ink);display:flex;gap:10px}
h2 i{font-style:normal;color:var(--shu);font-family:ui-monospace,Consolas,monospace;font-weight:400}
h3{font-size:15px;margin:22px 0 6px}
p{margin:0 0 14px}
a{color:var(--ink);text-underline-offset:3px}
ol,ul{padding-left:1.4em;margin:0 0 14px}
li{margin-bottom:4px}
table{border-collapse:collapse;width:100%;font-size:14px;margin:6px 0 18px}
th,td{text-align:left;padding:7px 8px;border-bottom:1px solid var(--rule);vertical-align:top}
th{font-weight:500;border-bottom:1px solid var(--ink);white-space:nowrap}
td.num{text-align:right;white-space:nowrap}
.box{border:1px solid var(--rule-strong);padding:14px 16px;margin:0 0 18px;font-size:14px}
.box b{color:var(--shu);font-weight:500}
.todo{background:#fff3c4;color:#5a4500;padding:0 4px}
.cta{display:inline-block;margin-top:10px;background:var(--ink);color:var(--sheet);padding:10px 20px;text-decoration:none}
footer{margin-top:44px;padding-top:12px;border-top:1px solid var(--rule);font-size:12px;display:flex;flex-wrap:wrap;gap:4px 16px}
footer a{color:var(--sub)}
@media (max-width:640px){article{padding:28px 16px 40px;border:0}.bar a.brand{padding:12px 14px;font-size:16px}h1{font-size:22px}body{font-size:14.5px}}