:root{--paper:#fff;--wallet:#e4e9f2;--navy:#12234f;--navy-deep:#0a1533;--carbon:#4a2c8f;--ink:#151a2d;--hairline:#a9b3cb;--rule:2px solid var(--navy);font-size:112.5%}*{box-sizing:border-box}body{background:var(--wallet);color:var(--ink);font-variant-numeric:tabular-nums;overflow-wrap:break-word;hyphens:auto;caret-color:var(--carbon);accent-color:var(--navy);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}:lang(ja){font-family:Hiragino Sans,Yu Gothic UI,Meiryo,sans-serif}html[lang=ja] body,html[lang=ja] :lang(ja){font-family:BIZ UDPGothic,Hiragino Sans,Yu Gothic UI,Meiryo,sans-serif}html[lang=ja] body{line-height:1.8}::selection{background:var(--carbon);color:#fff}:focus-visible{outline:4px solid var(--carbon);outline-offset:3px;border-radius:4px}.vh{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.wrap{max-width:1080px;margin:0 auto;padding:0 20px}a{color:var(--navy);text-underline-offset:.2em;text-decoration-thickness:2px}a:hover{color:var(--carbon);text-decoration-thickness:4px}.skip{z-index:10;background:var(--paper);border:var(--rule);border-radius:6px;padding:12px 18px;font-weight:700;position:absolute;top:-80px;left:12px}.skip:focus{top:12px}.cover{background:var(--navy);color:#fff;padding-top:12px}.cover .wrap{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px 16px;display:grid}.brand{color:#fff;justify-self:start;padding:8px 0;font-size:1.25rem;font-weight:700;line-height:1.3;text-decoration:none}.brand:hover{color:#fff;text-decoration:underline}.cover nav{grid-column:1/-1}.tabs{gap:6px;margin:0;padding:0;list-style:none;display:flex}.tabs li{display:flex}.tabs a{color:#fff;text-align:center;hyphens:manual;min-height:52px;word-break:auto-phrase;border:2px solid #ffffff8c;border-bottom:0;border-radius:8px 8px 0 0;justify-content:center;align-items:center;padding:6px 18px;font-weight:700;line-height:1.3;text-decoration:none;display:flex}.tabs a:hover{color:#fff;background:#ffffff29}.tabs a[aria-current=page]{background:var(--wallet);border-color:var(--wallet);color:var(--navy)}.lang{position:relative}.lang summary{white-space:nowrap;cursor:pointer;border:2px solid #ffffff8c;border-radius:8px;align-items:center;gap:10px;min-height:48px;padding:0 16px;font-weight:700;list-style:none;display:flex}.lang summary::-webkit-details-marker{display:none}.lang summary:after{content:"";border:3px solid #fff;border-width:0 3px 3px 0;width:.5em;height:.5em;margin-left:4px;transform:translateY(-2px)rotate(45deg)}.lang summary:hover,.lang[open] summary{background:#ffffff29}.lang-word{font-weight:400}.lang ul{z-index:5;background:var(--paper);border:var(--rule);border-radius:8px;min-width:100%;margin:0;padding:6px;list-style:none;position:absolute;top:calc(100% + 6px);right:0}.lang li a{white-space:nowrap;border-radius:6px;align-items:center;min-height:48px;padding:0 14px;font-weight:700;text-decoration:none;display:flex}.lang li a:hover{background:var(--wallet)}.lang li a[aria-current]{background:var(--navy);color:#fff}.lang li a:focus-visible{outline-color:var(--carbon)}.cover :focus-visible{outline-color:#fff}main.wrap{padding-top:36px;padding-bottom:72px}h1,h2,h3{word-break:auto-phrase;text-wrap:balance;hyphens:manual}h1{color:var(--navy-deep);margin:0 0 12px;font-size:1.75rem;line-height:1.35}h2{border-bottom:var(--rule);color:var(--navy-deep);margin:64px 0 18px;padding-bottom:8px;font-size:1.4rem;line-height:1.4}h3{line-height:1.4}.lead{max-width:38em;margin:0 0 24px}.button{border:2px solid var(--navy);background:var(--navy);color:#fff;min-height:56px;font:inherit;cursor:pointer;border-radius:8px;justify-content:center;align-items:center;padding:0 28px;font-weight:700;text-decoration:none;display:inline-flex}.button:hover{background:var(--carbon);border-color:var(--carbon);color:#fff}.button--quiet{background:var(--paper);color:var(--navy)}.button--quiet:hover{background:var(--wallet);border-color:var(--carbon);color:var(--carbon)}.index-tabs{grid-template-columns:repeat(auto-fill,minmax(9rem,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.index-tabs a{background:var(--paper);border:var(--rule);border-radius:8px;align-items:center;min-height:60px;padding:8px 18px;font-weight:700;line-height:1.3;text-decoration:none;display:flex}.index-tabs a:visited{color:var(--carbon)}.index-tabs a:hover{border-color:var(--carbon);text-decoration:underline 2px}.back{border-top:var(--rule);background:var(--paper);padding:28px 0 48px}.back p{max-width:40em;margin:0 0 10px}.back a{padding:10px 0;display:inline-block}.back .url{overflow-wrap:anywhere;hyphens:none}@media (width<=720px){.wrap{padding:0 16px}.brand{font-size:1.1rem}.lang-word{clip-path:inset(50%);width:1px;height:1px;position:absolute;overflow:hidden}.lang summary{padding:0 12px}.tabs li{flex:auto}.tabs a{flex:1;padding:6px 8px}main.wrap{padding-top:24px}h1{font-size:1.5rem}}