:root{color-scheme:light;--ink:#202523;--muted:#59645d;--line:#d9dfda;--paper:#f5f7f4;--accent:#244d3b}
*{box-sizing:border-box}html{scroll-padding-top:24px}body{margin:0;background:#fff;color:var(--ink);font:16px/1.95 -apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;overflow-wrap:anywhere}
a{color:var(--accent);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid #916327;outline-offset:4px}
.shell{width:min(100%,808px);margin:auto;padding-left:28px;padding-right:28px}.site-header{border-bottom:1px solid var(--line)}.site-header .shell{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:16px;padding-bottom:16px}.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--ink);font-weight:700}.brand img{object-fit:contain;filter:brightness(0)}nav{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px}nav a{display:inline-flex;align-items:center;min-height:32px}
main.shell{padding-top:52px;padding-bottom:84px}h1{font-size:28px;line-height:1.6;margin:0 0 16px;letter-spacing:.02em}h2{font-size:20px;line-height:1.7;margin:0 0 18px}h3{font-size:17px;line-height:1.7;margin:28px 0 10px}p{margin:0 0 20px}.lead{color:var(--muted);margin-bottom:32px}.small,.revision{font-size:13px;color:var(--muted)}section{margin-top:44px;scroll-margin-top:24px}ul,ol{padding-left:1.4em;margin:0 0 20px}li{margin:7px 0}.notice{border-left:3px solid var(--accent);background:var(--paper);padding:20px 22px;margin:28px 0}.notice>:last-child{margin-bottom:0}.contents{padding:22px;background:var(--paper);border:1px solid var(--line);border-radius:8px}.contents ul{margin-bottom:0}.card{border:1px solid var(--line);border-radius:10px;padding:26px;margin:22px 0}.card h2,.card h3{margin-top:0}.card>:last-child{margin-bottom:0}.facts{margin:0 0 20px}.facts>div{display:grid;grid-template-columns:140px minmax(0,1fr);gap:20px;padding:15px 0;border-bottom:1px solid var(--line)}dt{font-weight:700}dd{margin:0}details{border-top:1px solid var(--line);padding:18px 0}details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:600}details p{margin:14px 0 0}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--accent);border-radius:6px;padding:10px 20px;background:var(--accent);color:white;font:inherit;font-size:15px;text-decoration:none;cursor:pointer}.button.secondary{background:white;color:var(--accent)}.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:24px 0}.field{display:block;margin:22px 0}.field span{display:block;font-weight:600;margin-bottom:8px}select{display:block;width:100%;min-height:48px;background:white;color:var(--ink);border:1px solid #7a857d;border-radius:6px;font:inherit;font-size:16px;padding:10px 12px}.contact-address{font-size:19px}.site-footer{border-top:1px solid var(--line);background:var(--paper)}.site-footer .shell{padding-top:30px;padding-bottom:30px}.brand-name{font-size:14px;font-weight:700;margin-bottom:12px}.site-footer .small{margin-top:20px;margin-bottom:0}.skip-link{position:absolute;left:16px;top:8px;transform:translateY(-180%);padding:8px 16px;background:white;z-index:2}.skip-link:focus{transform:none}.status{min-height:1.8em;font-size:14px;color:var(--muted)}
@media(max-width:540px){.shell{padding-left:20px;padding-right:20px}.site-header .shell{gap:8px}.site-header nav{width:100%;gap:4px 20px}main.shell{padding-top:34px;padding-bottom:56px}h1{font-size:25px}.card{padding:20px}.facts>div{grid-template-columns:1fr;gap:4px}.actions{align-items:stretch}.actions .button{width:100%}}
@media print{.site-header,.site-footer,.skip-link,.actions{display:none}main.shell{padding:0;width:100%}body{font-size:11pt}.card{break-inside:avoid}a{color:inherit}}

[hidden]{display:none!important}

.support-page{--accent:#2879a8;--paper:#f4f8fa}