:root{
  --navy:#123a7a;--blue:#1666d6;--blue-d:#0f4fa8;--ink:#1c2530;--muted:#6b7684;
  --line:#dfe4ea;--bg:#f4f6f9;--white:#fff;--danger:#c8362a;--ok:#127a4b;
  --shadow:0 8px 30px rgba(20,40,80,.08);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Hiragino Sans","Yu Gothic UI",YuGothic,system-ui,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
button{font:inherit;cursor:pointer}
img{max-width:100%}
[hidden]{display:none!important}

/* ===== topbar ===== */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:14px;padding:0 clamp(14px,3vw,28px);height:60px;background:var(--white);border-bottom:1px solid var(--line)}
.brand{display:flex;flex-direction:column;line-height:1.05}
.brand b{font-size:17px;color:var(--navy);letter-spacing:.02em}
.brand small{font-size:9px;color:var(--muted);letter-spacing:.12em}
.topbar nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.topbar nav a{padding:8px 12px;border-radius:8px;color:#54606e;font-size:13px;font-weight:700}
.topbar nav a.on{color:var(--blue);background:#eaf1fc}
.topbar .who{margin-left:8px;color:var(--muted);font-size:12px}
.topbar nav form{margin:0}
.linkbtn{border:0;background:none;color:var(--muted);font-size:12px;padding:8px}
.navtoggle{display:none;margin-left:auto;padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:var(--white);font-size:12px;font-weight:700}

/* ===== flash ===== */
.flash{max-width:980px;margin:14px auto 0;padding:12px 16px;border-radius:10px;font-size:13px;font-weight:700}
.flash.success{background:#e7f6ee;color:var(--ok);border:1px solid #b9e3cc}
.flash.error{background:#fdecea;color:var(--danger);border:1px solid #f3c2bc}

/* ===== layout ===== */
.wrap{max-width:980px;margin:0 auto;padding:22px clamp(14px,3vw,24px) 80px}
.head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:8px 0 20px}
.head h1{margin:0 0 4px;font-size:clamp(22px,3.4vw,30px)}
.head p{margin:0;color:var(--muted);font-size:13px}
.head-actions{display:flex;gap:10px;flex-shrink:0}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:42px;padding:0 20px;border:1px solid var(--blue);border-radius:9px;background:var(--blue);color:#fff;font-weight:700;font-size:14px;white-space:nowrap;transition:.15s}
.btn:hover{background:var(--blue-d);border-color:var(--blue-d)}
.btn.ghost{background:#fff;color:var(--blue)}
.btn.ghost:hover{background:#eaf1fc}
.btn.small{min-height:38px;padding:0 14px;font-size:13px}
.linka{color:var(--blue);font-weight:700;font-size:13px}
.del{border:0;background:none;color:var(--danger);font-size:12px;font-weight:700;padding:0}

/* ===== cards / tables ===== */
.tablecard{background:var(--white);border:1px solid var(--line);border-radius:12px;overflow:auto;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:13px}
th{padding:12px 14px;text-align:left;background:#f2f5f9;color:var(--muted);font-size:11px;letter-spacing:.04em;white-space:nowrap;border-bottom:1px solid var(--line)}
td{padding:13px 14px;border-top:1px solid #eef1f5;vertical-align:middle}
tbody tr:first-child td{border-top:0}
td small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
td strong{font-weight:700}
.num{text-align:right;font-variant-numeric:tabular-nums}
.chk{width:36px;text-align:center}
.chk input{width:18px;height:18px}
.rowact{white-space:nowrap;text-align:right}
.rowact form{display:inline;margin-left:12px}
.tempty{padding:40px;text-align:center;color:var(--muted)}
.muted{color:var(--muted)}
.tag{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:700;background:#e7f6ee;color:var(--ok)}
.tag.pend{background:#eef1f5;color:var(--muted)}

.empty-card{margin-bottom:16px;padding:14px 16px;background:#fff7e6;border:1px solid #f0d9a0;border-radius:10px;font-size:13px;font-weight:700;color:#8a6400}
.filter{display:flex;align-items:flex-end;gap:12px;margin-bottom:14px}
.filter label{display:grid;gap:5px;font-size:12px;font-weight:700;color:#54606e}
.exportbar{display:flex;align-items:center;justify-content:flex-end;gap:16px;margin-top:16px}
.exportbar .hint{color:var(--muted);font-size:13px}
.exportbar .hint b{color:var(--ink);font-size:15px}
.legal{margin-top:22px;color:var(--muted);font-size:11px;line-height:1.8}

/* ===== forms ===== */
.card{max-width:760px;padding:26px;background:var(--white);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);display:grid;gap:18px}
label{display:grid;gap:6px;font-size:12px;font-weight:700;color:#47525f}
input,select{width:100%;min-height:44px;padding:0 12px;font-size:15px;color:var(--ink);background:#fff;border:1px solid #ccd3dc;border-radius:9px;outline:none}
input:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,102,214,.14)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.formact{display:flex;align-items:center;justify-content:flex-end;gap:20px;margin-top:4px}
.fnote{margin:0;color:var(--muted);font-size:12px;line-height:1.8}

/* ===== landing ===== */
.hero{max-width:720px;margin:6vh auto;text-align:center;padding:0 4px}
.eyebrow{margin:0 0 14px;color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.2em}
.hero h1{margin:0 0 18px;font-size:clamp(26px,5vw,40px);line-height:1.4;letter-spacing:-.01em}
.hero .lead{color:#54606e;font-size:15px;line-height:2;margin:0 auto 30px;max-width:560px}
.gbtn{display:inline-flex;align-items:center;gap:12px;padding:0 26px;height:52px;background:#fff;border:1px solid #d7dde4;border-radius:10px;color:#3c4450;font-weight:700;font-size:15px;box-shadow:var(--shadow)}
.gbtn:hover{background:#f7f9fb}
.gicon{display:inline-flex}
.hero .note{margin:22px auto 0;max-width:460px;color:var(--muted);font-size:12px;line-height:1.9}

/* ===== responsive ===== */
@media(max-width:720px){
  .navtoggle{display:block}
  .topbar nav{position:absolute;top:60px;right:0;left:0;flex-direction:column;align-items:stretch;gap:2px;padding:10px 14px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none}
  .topbar nav.open{display:flex}
  .topbar nav a{padding:12px}
  .topbar .who{margin:6px 0 0;padding:0 12px}
  .head{flex-direction:column;align-items:stretch}
  .head-actions .btn{width:100%}
  .grid2{grid-template-columns:1fr}
  .card{padding:20px 16px}
  table thead{display:none}
  table,tbody,tr,td{display:block}
  tr{padding:12px 14px;border-top:8px solid var(--bg)}
  tbody tr:first-child td{border-top:1px solid #eef1f5}
  td{border:0;padding:5px 0;display:grid;grid-template-columns:88px 1fr;gap:10px}
  td::before{content:attr(data-label);color:var(--muted);font-size:11px;font-weight:700}
  td.chk{grid-template-columns:1fr;text-align:left}
  td.chk::before{content:"選択"}
  td.rowact{text-align:left;grid-template-columns:1fr}
  td.rowact::before{content:""}
  .num{text-align:left}
  .exportbar{position:sticky;bottom:0;background:var(--bg);padding:12px 0;flex-direction:column;align-items:stretch}
  .exportbar .btn{width:100%}
}

/* ===== 支払先の一括取込 ===== */
.importgrid{display:grid;grid-template-columns:.85fr 1.15fr;gap:20px;align-items:start}
.importgrid>*{min-width:0}
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:220px;padding:24px;text-align:center;border:1px dashed #9fb3cf;border-radius:10px;background:#f3f7fc;cursor:pointer}
.drop input[type=file]{position:absolute;width:1px;height:1px;opacity:0}
.dropmark{width:48px;height:48px;display:grid;place-items:center;border:1px solid var(--blue);border-radius:50%;color:var(--blue);font-size:22px;flex:0 0 auto}
.drop strong{font-size:16px}
.drop small{color:var(--muted);font-size:11px}
.btn.full{width:100%}
.spechead{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.spechead h2{margin:0;font-size:18px}
.speclist{margin:0 0 14px;padding-left:20px;color:#47525f;font-size:13px;line-height:1.9}
.card pre{margin:0;padding:14px;overflow:auto;min-width:0;background:#0f2038;color:#cfe3ff;border-radius:8px;font:11px/1.7 ui-monospace,SFMono-Regular,monospace}
.btn.ghost.small.copied{background:var(--blue);color:#fff}
@media(max-width:720px){.importgrid{grid-template-columns:1fr}}

/* ===== 支払一覧のグループ表示 ===== */
.grouprow td{background:#e9f0fa;color:var(--navy);font-weight:700;font-size:12px;letter-spacing:.02em;border-top:1px solid var(--line)}
.grouplabel{display:inline-flex;align-items:center;gap:10px;cursor:pointer}
.grouplabel input{width:16px;height:16px}
/* リスト上でグループを直接変更するセレクト（1桁なので幅は最小限に） */
.groupsel{width:auto;min-width:0;min-height:34px;padding:0 2px 0 6px;font-size:13px}
.groupsel:disabled{opacity:.55}
@media(max-width:720px){
  .grouprow{padding:0;border-top:10px solid var(--bg)}
  .grouprow td{display:block;padding:11px 14px;grid-template-columns:none}
  .grouprow td::before{content:""}
}

/* ===== 一覧上でのインライン編集（ダブルクリック） ===== */
tr[data-payment-row]{cursor:default}
.cell-edit{display:none}
.ie-field{width:100%;min-height:34px;padding:0 8px;font-size:13px}
td.num .ie-field{text-align:right}
tr.editing{background:#fbfdff;box-shadow:inset 0 0 0 2px var(--blue)}
tr.editing .cell-view{display:none}
tr.editing .ie-field{display:block}
tr.editing .ie-save,tr.editing .ie-cancel{display:inline-block}
.ie-save{color:var(--blue);font-weight:700;background:none;border:0;cursor:pointer;padding:0;margin-right:12px}
.ie-cancel{color:var(--muted);background:none;border:0;cursor:pointer;padding:0}
tr.editing td[data-label]{vertical-align:middle}
@media(max-width:720px){
  tr.editing{box-shadow:none;border-left:3px solid var(--blue)}
}