:root{--bg:#f6f7f9;--card:#fff;--ink:#1d2430;--muted:#667085;--line:#d9dee7;--accent:#1f5fbf;--accent-ink:#fff;--err:#b42318;--ok:#067647;--warn:#b54708}
@media (prefers-color-scheme:dark){:root{--bg:#14171c;--card:#1d2128;--ink:#e6e9ef;--muted:#98a2b3;--line:#344054;--accent:#5b8def;--accent-ink:#0b1220;--err:#f97066;--ok:#47cd89;--warn:#fdb022}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 system-ui,-apple-system,"Hiragino Sans","Yu Gothic UI","Meiryo",sans-serif}
.wrap{max-width:860px;margin:0 auto;padding:0 16px}
.narrow{max-width:480px}
h1{font-size:1.5rem;margin:24px 0 12px}h2{font-size:1.2rem;margin:0 0 8px}
a{color:var(--accent)}
.top{background:var(--card);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;flex-wrap:wrap}
.brand{font-weight:700;text-decoration:none;color:var(--ink)}
nav{display:flex;gap:16px;align-items:center}
.inline{display:inline;margin:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px;margin:0 0 16px}
label{display:block;font-weight:600;margin:0 0 14px}
input:not([type=radio]):not([type=checkbox]),textarea{display:block;width:100%;margin-top:4px;padding:10px 12px;font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px}
input:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
fieldset.seg{border:0;padding:0;margin:0 0 14px;display:flex;flex-wrap:wrap;gap:8px}
fieldset.seg legend{font-weight:600;margin-bottom:4px;width:100%}
fieldset.seg label{font-weight:400;margin:0;padding:6px 12px;border:1px solid var(--line);border-radius:999px;cursor:pointer}
fieldset.seg label:has(input:checked){border-color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0 16px}
.req{font-size:.75rem;color:var(--err);font-weight:600;margin-left:4px}
.muted{color:var(--muted);font-size:.9rem}
.err{color:var(--err);font-weight:600}
button{font:inherit;cursor:pointer}
.primary{background:var(--accent);color:var(--accent-ink);border:0;border-radius:8px;padding:12px 24px;font-weight:700}
.primary:disabled{opacity:.5;cursor:wait}
.link{background:none;border:0;padding:0;color:var(--accent);text-decoration:underline}
.drop{border:2px dashed var(--line);border-radius:10px;padding:18px;text-align:center;margin-bottom:8px}
.drop.over{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent)}
.drop p{margin:4px 0}
.flist{list-style:none;padding:0;margin:0 0 16px}
.flist li{display:flex;gap:8px;align-items:center;padding:6px 0;border-bottom:1px solid var(--line);font-size:.92rem}
.flist .nm{flex:1;overflow-wrap:anywhere}
.flist progress{width:90px}
table{width:100%;border-collapse:collapse;font-size:.93rem}
th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600}
.st{display:inline-block;padding:1px 10px;border-radius:999px;font-size:.82rem;font-weight:700;border:1px solid currentColor;white-space:nowrap}
.st-受付{color:var(--warn)}.st-調査中{color:var(--accent)}.st-送付済{color:var(--ok)}.st-取下げ{color:var(--muted)}
dl.kv{display:grid;grid-template-columns:max-content 1fr;gap:4px 16px;margin:0}
dl.kv dt{color:var(--muted)}dl.kv dd{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}
footer{padding:24px 16px}
@media (max-width:600px){.hide-sm{display:none}}
.drop.big{padding:36px 18px}
.secondary{background:transparent;color:var(--accent);border:1px solid var(--accent);border-radius:8px;padding:8px 18px;font-weight:600}
.wide{display:block;width:100%}
.center{text-align:center}
details.more{margin-top:20px;border-top:1px solid var(--line);padding-top:12px}
details.more summary{cursor:pointer;font-weight:600;margin-bottom:12px}
[hidden]{display:none!important}
.listhead{display:flex;align-items:center;gap:12px}.listhead h1{margin-right:auto}