:root{--bg:#f6f7f9;--card:#fff;--ink:#1c2230;--muted:#6b7385;--line:#e3e6ec;--brand:#1f5fd6;--brand-ink:#fff;--accent:#0f9d8a;
--warn:#b45309;--warnbg:#fff4e0;--err:#b42318;--errbg:#fdecea;--ok:#126b45;--okbg:#e5f5ec;--radius:10px}
body[data-brand="asiaintent"]{--brand:#5757e6;--accent:#6464f6;--glow1:#6464f6;--glow2:#38bdf8}
body[data-brand="kaigaireach"]{--brand:#c8102e;--accent:#e4572e;--glow1:#e4572e;--glow2:#f5b942}
@media (prefers-color-scheme:dark){:root{--bg:#10131a;--card:#181c26;--ink:#e8ebf2;--muted:#98a1b5;--line:#2a3040;
--warnbg:#3a2a10;--errbg:#3a1714;--okbg:#10301f;--warn:#f0b35a;--err:#ff8a80;--ok:#6fd3a0}
body[data-brand="asiaintent"]{--brand:#8c8cff;--brand-ink:#10131a;--accent:#6464f6}body[data-brand="kaigaireach"]{--brand:#ff5a73;--brand-ink:#10131a;--accent:#ff7a59}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Noto Sans JP","PingFang SC",sans-serif}
a{color:var(--brand)}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
header.top{background:var(--card);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;gap:20px;min-height:56px;flex-wrap:wrap}
.logo{font-weight:700;font-size:18px;color:var(--brand);text-decoration:none;letter-spacing:.2px}
nav.main{display:flex;gap:4px;flex-wrap:wrap;flex:1}
nav.main a{padding:6px 9px;font-size:14px;white-space:nowrap;border-radius:8px;color:var(--ink);text-decoration:none}
nav.main a.on,nav.main a:hover{background:var(--bg)}
.right{white-space:nowrap;display:flex;gap:12px;align-items:center;font-size:13px;color:var(--muted)}
main{padding:28px 0 60px}
h1{font-size:24px;margin:0 0 6px}h2{font-size:18px;margin:26px 0 10px}h3{font-size:15px;margin:0 0 6px}
.sub{color:var(--muted);margin:0 0 22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:16px}
.grid{display:grid;gap:14px}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:800px){.g2{grid-template-columns:minmax(0,1fr)}.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:340px){.g3,.g4{grid-template-columns:minmax(0,1fr)}}
.stat .n{font-size:26px;font-weight:700}.stat .l{color:var(--muted);font-size:13px}
table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;font-size:14px}
th{background:var(--bg);color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
tr:last-child td{border-bottom:0}
.tw{overflow-x:auto}
label{display:block;font-weight:600;font-size:13px;margin:12px 0 4px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=tel],input[type=datetime-local],select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink);font:inherit}
textarea{min-height:90px;resize:vertical}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:400;margin:10px 0}.check input{margin-top:4px}
.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1;min-width:180px}
button,.btn{display:inline-block;padding:9px 16px;border-radius:8px;border:1px solid var(--brand);background:var(--brand);color:var(--brand-ink);font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
button.ghost,.btn.ghost{background:transparent;color:var(--brand)}
button.danger{background:var(--err);border-color:var(--err);color:#fff}
button.sm{padding:4px 10px;font-size:13px}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:12px;background:var(--okbg);color:var(--ok)}
.flash.err{background:var(--errbg);color:var(--err)}
.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:600;background:var(--bg);color:var(--muted);border:1px solid var(--line)}
.badge.ok{background:var(--okbg);color:var(--ok);border-color:transparent}.badge.warn{background:var(--warnbg);color:var(--warn);border-color:transparent}.badge.err{background:var(--errbg);color:var(--err);border-color:transparent}
.muted{color:var(--muted)}.small{font-size:13px}.right-al{text-align:right}.nowrap{white-space:nowrap}
.hero{padding:70px 0 40px}.hero h1{font-size:40px;line-height:1.15;max-width:760px}.hero p{font-size:18px;color:var(--muted);max-width:640px}
.notice{padding:12px 14px;border-radius:8px;background:var(--warnbg);color:var(--warn);margin:0 0 16px;font-size:14px}
pre.reply{white-space:pre-wrap;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:12px;font:inherit;margin:6px 0}
.terms{max-height:340px;overflow:auto;border:1px solid var(--line);border-radius:8px;padding:12px 16px;background:var(--bg);font-size:13px}
.kv{display:grid;grid-template-columns:200px 1fr;gap:6px 14px;font-size:14px}.kv dt{color:var(--muted)}.kv dd{margin:0}
footer{color:var(--muted);font-size:12px;text-align:center;padding:30px 0}
footer a{color:var(--muted)}
.flinks{display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:center;margin-bottom:8px}.fine{opacity:.85}
.admin-layout{display:flex;min-height:100vh}
.side{width:210px;background:var(--card);border-right:1px solid var(--line);padding:18px 12px;flex-shrink:0}
.side .logo{display:block;margin:0 8px 16px}
.side a.i{display:block;padding:7px 10px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:14px}
.side a.i.on,.side a.i:hover{background:var(--bg)}
.side .grp{font-size:11px;color:var(--muted);margin:14px 10px 4px;text-transform:uppercase;letter-spacing:.5px}
.admin-main{flex:1;padding:26px 32px;min-width:0}
@media(max-width:800px){.admin-layout{flex-direction:column}.side{width:auto}}
@media print{header.top,footer,.noprint{display:none!important}body{background:#fff;color:#000}.card{border:0;padding:0}}

td a{white-space:nowrap}
.qr svg{max-width:220px;height:auto;border:1px solid var(--line);border-radius:8px;padding:6px;background:#fff}
code.secret{background:var(--bg);padding:2px 6px;border-radius:6px;word-break:break-all}

/* ---------- phone / small screens ---------- */
.mnav{display:none;position:relative}
.mnav summary{list-style:none;cursor:pointer;width:44px;height:44px;display:grid;place-items:center;border-radius:10px}
.mnav summary::-webkit-details-marker{display:none}
.mnav summary i{display:block;width:20px;height:2px;background:var(--ink);box-shadow:0 6px 0 var(--ink),0 -6px 0 var(--ink)}
.mnav-panel{position:absolute;right:0;top:48px;z-index:20;min-width:230px;display:grid;gap:2px;padding:8px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 40px -16px rgba(0,0,0,.35)}
.mnav-panel a{padding:11px 12px;border-radius:8px;color:var(--ink);text-decoration:none}.mnav-panel a.on{background:var(--bg)}
.mnav-panel button{width:100%;margin-top:4px}
@media(max-width:820px){
  header.top nav.main{display:none}
  header.top .wrap{flex-wrap:nowrap;min-height:56px}
  .right .who,.right .lo{display:none}
  .right{margin-left:auto}
  .mnav{display:block}
}
@media(max-width:760px){
  .wrap{padding:0 16px}
  main{padding:18px 0 40px}
  h1{font-size:22px}
  .card{padding:14px 16px}
  input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=tel],input[type=datetime-local],select,textarea{font-size:16px}  /* stops iOS zooming into fields */
  button,.btn{min-height:44px}button.sm{min-height:36px}
  .tw table:has(th:nth-child(5)){min-width:560px}      /* only genuinely wide tables scroll sideways */
  .kv{grid-template-columns:1fr;gap:2px}.kv dt{font-size:12px;margin-top:8px}
  .stat .n{font-size:22px}
  .admin-main{padding:16px}
  .side{display:flex;align-items:center;overflow-x:auto;gap:4px;padding:8px;width:auto;border-right:0;border-bottom:1px solid var(--line)}
  .side .grp,.side .small{display:none}.side a.i{white-space:nowrap}.side .logo{margin:0 10px 0 0;white-space:nowrap}
  .side form{flex:0 0 auto}
}

/* bigger touch target for checkboxes (the label already spans the row) */
input[type=checkbox]{width:20px;height:20px;flex:0 0 20px;accent-color:var(--brand)}
input[type=file],textarea,select{max-width:100%}
.row>*{min-width:min(180px,100%)}
/* long unbroken strings (field lists, emails, URLs, bank references) must wrap instead of widening the page */
.card,.sub,.small,.muted,td,dd,li,p,label{overflow-wrap:anywhere}
pre.reply{overflow-wrap:anywhere}

/* Logo: flat monogram tile and a two-weight wordmark */
.logo{display:inline-flex;align-items:center;gap:9px;font-size:21px;letter-spacing:-.03em;line-height:1}
.logo .lg-word{font-weight:500}
.logo .lg-word b{font-weight:800}
.logo .lg-mark{width:28px;height:28px;flex:none;display:block}
.side .logo{font-size:18px}
.side .logo .lg-mark{width:22px;height:22px}