:root{
  --fg:#16191d; --muted:#6b7280; --line:#e6e8eb; --bg:#f5f6f8; --card:#fff;
  --brand:#0b6bcb; --brand-d:#0857a6; --accent:#e8590c; --new:#e03131;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);line-height:1.7;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Noto Sans JP","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px}

/* header */
.site-head{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.head-inner{display:flex;align-items:center;gap:22px;height:66px}
.logo{font-size:21px;font-weight:800;letter-spacing:.5px;white-space:nowrap;color:var(--brand)}
.logo span{font-size:11px;font-weight:600;color:#fff;background:var(--brand);border-radius:3px;padding:2px 6px;margin-left:7px;vertical-align:3px}
.search{display:flex;flex:1;max-width:640px;background:var(--bg);border:1px solid var(--line);border-radius:999px;overflow:hidden}
.search:focus-within{border-color:var(--brand);background:#fff}
.search input{flex:1;border:0;background:transparent;padding:11px 18px;font-size:14px;outline:none}
.search button{border:0;background:var(--brand);color:#fff;padding:0 24px;font-size:14px;cursor:pointer}
.search button:hover{background:var(--brand-d)}
.head-stat{font-size:12px;color:var(--muted);white-space:nowrap}
.head-stat strong{color:var(--fg);font-size:15px}

/* layout */
.layout{display:grid;grid-template-columns:248px 1fr;gap:22px;padding:22px 0 40px}
.filters{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:6px 0;height:fit-content;position:sticky;top:84px}
.f-block{padding:12px 16px;border-bottom:1px solid #f0f1f3}
.f-block:last-child{border-bottom:0}
.f-block h3{font-size:13px;margin:0 0 8px;color:#374151;font-weight:700}
.f-block ul{list-style:none;margin:0;padding:0}
.f-block li a{display:flex;justify-content:space-between;gap:8px;font-size:13px;color:#4b5563;padding:5px 8px;border-radius:6px}
.f-block li a:hover{background:#f3f6fa;color:var(--brand)}
.f-block li a.on{background:#eaf3fd;color:var(--brand);font-weight:600}
.cnt{color:#9ca3af;font-size:11px}

/* results */
.result-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;flex-wrap:wrap;gap:10px}
.count{font-size:14px;color:var(--muted)}
.count strong{font-size:20px;color:var(--fg)}
.cond{background:#fff;border:1px solid var(--line);border-radius:999px;padding:2px 10px;margin-left:8px;font-size:12px}
.sorts{display:flex;gap:6px}
.sorts a{font-size:13px;padding:5px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--muted)}
.sorts a.on{background:var(--fg);border-color:var(--fg);color:#fff}

.card{display:flex;gap:18px;justify-content:space-between;background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:18px 20px;margin-bottom:12px;transition:.15s}
.card:hover{border-color:var(--brand);box-shadow:0 6px 20px rgba(11,107,203,.08);transform:translateY(-1px)}
.card-main{min-width:0;flex:1}
.c-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.c-title{font-size:17px;margin:0;font-weight:700;line-height:1.5}
.c-title-ja{font-size:12px;color:var(--muted);margin:3px 0 0}
.c-company{font-size:13px;color:#374151;margin:6px 0 0;font-weight:600}
.c-summary{font-size:13px;color:#5b6270;margin:8px 0 0;line-height:1.65}
.c-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.tag{font-size:11.5px;color:#4b5563;background:#f3f4f6;border-radius:4px;padding:3px 8px}
.card-side{text-align:right;flex-shrink:0;display:flex;flex-direction:column;justify-content:space-between;gap:8px;min-width:132px}
.c-salary{font-size:14px;font-weight:700;color:var(--accent);line-height:1.4}
.c-date{font-size:11.5px;color:#9ca3af}
.btn-mini{font-size:12px;border:1px solid var(--line);border-radius:6px;padding:5px 0;text-align:center;color:var(--brand);background:#fff}
.card:hover .btn-mini{background:var(--brand);border-color:var(--brand);color:#fff}

.badge{font-size:11px;border-radius:3px;padding:2px 7px;background:#f1f3f5;color:#495057}
.badge.new{background:var(--new);color:#fff;font-weight:700}
.badge.date{background:#eef6ff;color:var(--brand)}

.empty{background:#fff;border:1px dashed var(--line);border-radius:12px;padding:48px;text-align:center;color:var(--muted)}
.empty .hint{font-size:13px}
.btn{display:inline-block;border:1px solid var(--line);border-radius:8px;padding:9px 18px;font-size:14px;background:#fff}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.block{display:block;text-align:center;margin-top:8px}

.pager{display:flex;justify-content:center;align-items:center;gap:18px;margin-top:26px;font-size:14px}
.pager a{background:#fff;border:1px solid var(--line);border-radius:8px;padding:7px 16px}
.pager a:hover{border-color:var(--brand);color:var(--brand)}
.pinfo{color:var(--muted)}

/* detail */
.crumb{font-size:12px;color:var(--muted);padding:16px 0 10px;display:flex;gap:6px;flex-wrap:wrap}
.crumb a:hover{color:var(--brand)}
.detail{display:grid;grid-template-columns:1fr 268px;gap:22px;align-items:start}
.d-main{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px 28px}
.d-head h1{font-size:24px;margin:6px 0 0;line-height:1.45}
.d-title-ja{color:var(--muted);font-size:13px;margin:6px 0 0}
.d-company{font-size:14px;font-weight:700;margin:10px 0 0}
.d-badges{display:flex;gap:8px;flex-wrap:wrap}
.spec{width:100%;border-collapse:collapse;margin:20px 0 4px;font-size:13.5px}
.spec th,.spec td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.spec th{background:#fafbfc;width:88px;color:#4b5563;font-weight:600;white-space:nowrap}
.spec td.salary{color:var(--accent);font-weight:700}
.d-sec{padding:22px 0 0;margin-top:18px;border-top:1px solid #f0f1f3}
.d-sec h2{font-size:15px;margin:0 0 12px;padding-left:10px;border-left:3px solid var(--brand)}
.summary{margin:0;font-size:14.5px}
.raw{white-space:pre-wrap;font-size:13.5px;color:#4b5563;max-height:560px;overflow:auto;background:#fafbfc;border:1px solid var(--line);border-radius:8px;padding:14px}
.d-side{position:sticky;top:84px}
.apply-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.apply-hint{font-size:13px;color:#4b5563;margin:0 0 10px;font-weight:600}
.apply-note{font-size:11.5px;color:#9ca3af;margin:12px 0 0;line-height:1.6}

.related{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 24px;margin-top:18px}
.rel-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.rel-card{border:1px solid var(--line);border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:4px;transition:.15s}
.rel-card:hover{border-color:var(--brand)}
.rc-title{font-size:13.5px;font-weight:600}
.rc-company{font-size:12px;color:var(--muted)}
.rc-salary{font-size:12px;color:var(--accent);font-weight:600}

/* admin */
.admin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:16px 0}
.admin-grid section{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.admin-grid ul{margin:0;padding-left:18px;font-size:13px}
table.admin{width:100%;border-collapse:collapse;font-size:13px;background:#fff}
table.admin th,table.admin td{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left}
.msg{background:#ecfdf5;border:1px solid #a7f3d0;padding:10px 14px;border-radius:8px}

.site-foot{border-top:1px solid var(--line);background:#fff;padding:22px 0 34px;color:#9ca3af;font-size:12px}
.site-foot p{margin:3px 0}

@media(max-width:900px){
  .layout{grid-template-columns:1fr}
  .filters{position:static;display:grid;grid-template-columns:1fr 1fr}
  .detail{grid-template-columns:1fr}
  .d-side{position:static}
  .rel-list{grid-template-columns:1fr}
  .card{flex-direction:column}
  .card-side{flex-direction:row;align-items:center;justify-content:space-between;text-align:left;min-width:0}
  .head-stat{display:none}
}
@media(max-width:560px){
  .filters{grid-template-columns:1fr}
  .c-title{font-size:15.5px}
  .head-inner{height:auto;padding:10px 0;flex-wrap:wrap}
}