:root{--ink:#102a43;--blue:#1756a9;--red:#dc3545;--green:#16834a;--muted:#627d98;--line:#d9e2ec;--bg:#edf2f7}
*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;background:var(--bg);line-height:1.8}.page{width:min(100%,760px);margin:auto;min-height:100vh;background:#fff}.topbar{position:relative;display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}.topbar:before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,var(--blue) 0 48%,#fff 48% 52%,var(--red) 52%)}.brand{font-size:14px;font-weight:900;text-decoration:none;color:var(--ink)}.brand small{display:block;color:var(--blue);font-size:10px;letter-spacing:.12em}.back{padding:8px 11px;border:1px solid var(--line);border-radius:7px;text-decoration:none;color:var(--ink);font-size:12px;font-weight:800}.hero{padding:34px 22px;background:#f8fafc;border-bottom:1px solid var(--line)}.hero h1{margin:0 0 8px;font-size:clamp(27px,7vw,38px)}.hero p{margin:0;color:var(--muted);font-size:13px}.content{padding:20px 22px 45px}.summary{padding:15px;background:#edf4fb;border-left:5px solid var(--blue);border-radius:8px;font-size:13px}.content section{padding:19px 0;border-bottom:1px solid var(--line)}h2{font-size:20px;margin:0 0 9px}h3{font-size:16px;margin:12px 0 5px}p,li{font-size:14px;color:#334e68}ul,ol{padding-left:22px}a{color:var(--blue)}.date,.note{font-size:12px;color:var(--muted)}.button{display:inline-block;padding:11px 16px;border-radius:8px;background:var(--blue);color:#fff;text-decoration:none;font-size:13px;font-weight:900}.card{padding:16px;border:1px solid var(--line);border-radius:9px;background:#f8fafc}.badge{display:inline-block;padding:3px 8px;border-radius:20px;background:#e9f2fc;color:var(--blue);font-size:11px;font-weight:900}.timeline{list-style:none;padding:0}.timeline li{position:relative;margin:0 0 12px;padding:14px 15px 14px 18px;border-left:4px solid var(--blue);border-radius:7px;background:#f8fafc}.timeline time{display:block;color:var(--muted);font-size:11px;font-weight:800}.timeline strong{display:block;color:var(--ink)}label{display:block;margin:13px 0 4px;font-size:13px;font-weight:900;color:var(--ink)}input,select,textarea{width:100%;padding:11px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--ink);font:inherit}textarea{min-height:140px;resize:vertical}.form-actions{display:flex;gap:9px;align-items:center;margin-top:16px}.submit{border:0;border-radius:8px;padding:13px 18px;background:var(--blue);color:#fff;font-weight:900;font-size:14px;cursor:pointer}.required{color:var(--red)}@media(max-width:480px){.content{padding-left:16px;padding-right:16px}.form-actions{align-items:stretch;flex-direction:column}.submit{width:100%}}