:root{
  --ink:#1f2a44;--ink-soft:#4b556e;--paper:#faf6ef;--card:#ffffff;--line:#e6dfd2;
  --ai:#27407a;--kaki:#d9643a;--kaki-dark:#b84e28;
  --serif:"Hiragino Mincho ProN","Yu Mincho","Noto Serif JP","Noto Serif KR","Nanum Myeongjo","AppleMyungjo",serif;
  --sans:"Hiragino Sans","Yu Gothic","Noto Sans JP","Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",system-ui,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.85;-webkit-text-size-adjust:100%}
[data-l]{display:none}
html[lang="ja"] [data-l="ja"],html[lang="ko"] [data-l="ko"]{display:revert}
a{color:var(--ai)}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:10;background:rgba(250,246,239,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:700;font-size:20px;color:var(--ink);text-decoration:none;white-space:nowrap}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:#fff}
.lang button{border:0;background:transparent;font:inherit;font-size:15px;padding:8px 14px;color:var(--ink-soft);cursor:pointer;min-height:40px}
.lang button[aria-pressed="true"]{background:var(--ai);color:#fff}
main{padding:36px 0 64px}
.doc{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px 22px}
h1{font-family:var(--serif);font-size:clamp(26px,5vw,34px);line-height:1.4;margin:0 0 6px}
.meta{color:var(--ink-soft);font-size:15px;margin:0 0 24px}
h2{font-family:var(--serif);font-size:20px;line-height:1.5;margin:32px 0 8px;padding-top:16px;border-top:1px solid var(--line)}
h2:first-of-type{border-top:0;padding-top:0}
p{margin:0 0 12px}
ol,ul{margin:0 0 12px;padding-left:1.4em}
li{margin-bottom:6px}
table{width:100%;border-collapse:collapse;margin:0 0 14px;font-size:15px}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{background:#f6f1e7;width:32%}
.ph{background:#fff0c2;border-radius:4px;padding:0 3px}
.back{display:inline-block;margin-top:24px}
button:focus-visible,a:focus-visible{outline:3px solid #8fb0ea;outline-offset:2px}
@media (max-width:520px){th{width:38%}.doc{padding:22px 16px}}