:root {
  --bg: #f4f2ee; --panel: #ffffff; --ink: #1c2026; --sub: #5d6470; --line: #d9d5cc;
  --accent: #c45a00; --accent-ink: #ffffff; --navy: #18263a; --cand: #1d5fbf; --ok: #1f7a3a; --ng: #c0261d; --warn-bg: #fff4e0; --paper: #ffffff; --drawing: #1c2026;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14181e; --panel: #1d232b; --ink: #e8eaee; --sub: #a3abb7; --line: #323b46;
    --accent: #ff9a3c; --accent-ink: #1a1206; --navy: #0d141f; --cand: #6ea8ff; --ok: #5fd07f; --ng: #ff7b72; --warn-bg: #3a2c14; --paper: #0f1318; --drawing: #dfe3e8;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #14181e; --panel: #1d232b; --ink: #e8eaee; --sub: #a3abb7; --line: #323b46;
  --accent: #ff9a3c; --accent-ink: #1a1206; --navy: #0d141f; --cand: #6ea8ff; --ok: #5fd07f; --ng: #ff7b72; --warn-bg: #3a2c14; --paper: #0f1318; --drawing: #dfe3e8;
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.6 system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif; }
a { color: var(--accent); }
.top { background: var(--navy); color: #fff; padding: 12px 16px 10px; }
.top .back { display: inline-block; color: #c9d4e3; text-decoration: none; font-size: 13px; margin-bottom: 4px; }
.top .back:hover { color: #fff; text-decoration: underline; }
.brand { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.logo { font-size: 22px; font-weight: 800; letter-spacing: .04em; }
.by { font-size: 13px; opacity: .7; }
.lead { margin: 2px 0 0; font-size: 14px; font-weight: 400; opacity: .9; line-height: 1.6; }
.lead2 { margin-top: 0; }
.about ol { padding-left: 1.4em; font-size: 14px; }
.about ol li { margin: 4px 0; }

.bar, .tbar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 8px 16px; background: var(--panel); border-bottom: 1px solid var(--line); }
.tbar { border: 0; padding: 8px 0; background: transparent; }
.tbar h2 { margin: 0 8px 0 0; font-size: 17px; }
.tbar h2 small { font-weight: 400; color: var(--sub); font-size: 13px; }
.sep { flex: 1; }
.btn { display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); border-radius: 8px; padding: 6px 12px; font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.sq { padding: 6px 10px; }
.btn.small { font-size: 13px; padding: 4px 10px; }
.btn[aria-pressed="true"] { background: var(--cand); border-color: var(--cand); color: #fff; }
.bs { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--sub); }
.bs input { width: 90px; }
.pager { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; }
.fname { font-size: 13px; color: var(--sub); max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msg { margin: 0; padding: 8px 16px; font-size: 14px; font-weight: 600; }
.msg.info { background: color-mix(in srgb, var(--cand) 12%, var(--panel)); }
.msg.warn { background: var(--warn-bg); }
.msg.err { background: color-mix(in srgb, var(--ng) 14%, var(--panel)); color: var(--ng); }
.restore { margin: 0; padding: 8px 16px; background: var(--warn-bg); font-size: 14px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

.work { display: grid; grid-template-columns: 1fr 320px; gap: 12px; padding: 12px 16px 0; }
@media (max-width: 900px) { .work { grid-template-columns: 1fr; } }
.stage { position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; min-height: 300px; }
.stage.over { outline: 3px dashed var(--accent); outline-offset: -6px; }
.view { display: block; width: 100%; height: 62vh; min-height: 300px; touch-action: none; cursor: grab; color: var(--drawing); user-select: none; }
.view.placing { cursor: crosshair; }
.empty { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; color: var(--sub); padding: 20px; pointer-events: none; }
.empty b { color: var(--ink); font-size: 17px; }
.hint { position: absolute; left: 8px; bottom: 6px; margin: 0; font-size: 12px; color: var(--sub); background: color-mix(in srgb, var(--panel) 85%, transparent); padding: 2px 8px; border-radius: 6px; pointer-events: none; }
.view .ln { fill: none; stroke: currentColor; stroke-width: 1px; vector-effect: non-scaling-stroke; }
.view .tx { fill: currentColor; font-family: system-ui, "Hiragino Sans", sans-serif; }
.view .cand { fill: color-mix(in srgb, var(--cand) 10%, transparent); stroke: var(--cand); stroke-width: 1.5px; vector-effect: non-scaling-stroke; cursor: pointer; }
.view .cand:hover { fill: color-mix(in srgb, var(--cand) 28%, transparent); }
.view .cand.used { stroke-dasharray: 3 3; fill: transparent; opacity: .5; }
.balloon { cursor: move; }
.balloon .ring { fill: var(--paper); stroke: var(--accent); stroke-width: 2px; vector-effect: non-scaling-stroke; }
.balloon .num { fill: var(--accent); font-weight: 800; font-family: system-ui, sans-serif; pointer-events: none; }
.balloon .leader { stroke: var(--accent); stroke-width: 1.5px; vector-effect: non-scaling-stroke; }
.balloon .dot { fill: var(--accent); }
.balloon.sel .ring { stroke: var(--cand); stroke-width: 3.5px; }

.side { display: flex; flex-direction: column; gap: 10px; }
.box { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; }
.box summary { cursor: pointer; font-weight: 700; }
.hdr { display: grid; gap: 6px; margin-top: 8px; }
.hdr label { display: grid; grid-template-columns: 4.5em 1fr; align-items: center; gap: 6px; font-size: 14px; }
input, select { font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 4px 6px; min-width: 0; }
input::placeholder { color: color-mix(in srgb, var(--sub) 55%, transparent); font-weight: 400; }
input:focus, select:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); border-color: var(--accent); }
.small { font-size: 13px; color: var(--sub); }
.gt { width: 100%; border-collapse: collapse; margin: 6px 0; font-size: 13px; }
.gt th { color: var(--sub); font-weight: 600; text-align: left; }
.gt input { width: 100%; }

.tablebox { padding: 4px 16px 12px; }
.tw { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
.kt { border-collapse: collapse; width: 100%; font-size: 14px; font-variant-numeric: tabular-nums; }
.kt th { position: sticky; top: 0; background: var(--panel); color: var(--sub); font-weight: 600; text-align: left; padding: 6px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.kt td { padding: 3px 4px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.kt tr.sel td { background: color-mix(in srgb, var(--cand) 10%, var(--panel)); }
.kt input { width: 100%; }
.kt input[data-f="label"] { min-width: 9em; }
.kt input.num, .kt td.m input { width: 6em; text-align: right; }
.kt input[data-f="tool"] { width: 7em; }
.kt input[data-f="note"] { min-width: 10em; }
.kt td.no { white-space: nowrap; text-align: center; }
.kt td.no small { display: block; color: var(--sub); font-size: 11px; }
.kt .go { border: 2px solid var(--accent); color: var(--accent); background: var(--paper); border-radius: 999px; min-width: 2em; height: 2em; font-weight: 800; cursor: pointer; }
.kt td.lim { white-space: nowrap; font-size: 13px; }
.kt td.lim small { display: block; color: var(--sub); font-size: 11px; }
.kt input.OK, .kt select.OK { border-color: var(--ok); color: var(--ok); font-weight: 700; }
.kt input.NG, .kt select.NG { border-color: var(--ng); color: var(--ng); background: color-mix(in srgb, var(--ng) 10%, var(--bg)); font-weight: 700; }
.kt input.bad, .kt input.ERR { border-color: #d97706; background: color-mix(in srgb, #d97706 14%, var(--bg)); }
.kt .del { border: 1px solid var(--line); background: transparent; color: var(--sub); border-radius: 6px; padding: 2px 8px; cursor: pointer; font: inherit; font-size: 13px; }
.kt .del:hover { color: var(--ng); border-color: var(--ng); }
.empty2 { padding: 8px 2px; }

.wrap1 { max-width: 1400px; margin: 0 auto; padding: 0 16px; }
.about h2, .seller > h2 { font-size: 18px; }
.about ul { padding-left: 1.2em; font-size: 14px; }
.about li { margin: 4px 0; }
.foot1 { padding-bottom: 32px; font-size: 14px; color: var(--sub); }

.seller { margin-top: 20px; margin-bottom: 20px; }
.seller-head { display: flex; gap: 18px; align-items: center; }
.seller-photo { width: 80px; height: 80px; border-radius: 50%; flex: none; border: 3px solid var(--accent); background: #000; }
.seller-name { margin: 0; font-size: 21px; font-weight: 800; line-height: 1.4; }
.seller-name small { font-size: 13px; color: var(--sub); font-weight: 500; margin-left: 8px; white-space: nowrap; }
.seller-who { margin: 4px 0 0; color: var(--sub); line-height: 1.7; }
.seller-promise { margin: 18px 0 12px; font-size: 17px; font-weight: 700; }
.seller-promise::before { content: ""; display: inline-block; width: 4px; height: 1.1em; background: var(--accent); border-radius: 2px; margin-right: 10px; vertical-align: -0.15em; }
.seller-ways { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; }
.seller-way { display: block; text-decoration: none; color: var(--ink); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; background: var(--panel); }
.seller-way:hover { border-color: var(--accent); }
.seller-way .k { display: block; font: 700 12px/1.6 ui-monospace, Menlo, Consolas, monospace; color: var(--accent); letter-spacing: .1em; }
.seller-way .v { display: block; font-size: 18px; font-weight: 700; word-break: break-all; margin: 2px 0; }
.seller-way .t { display: block; font-size: 13px; color: var(--sub); line-height: 1.6; }
.seller-foot { margin: 14px 0 0; font-size: 14px; color: var(--sub); }
@media (max-width: 560px) {
  .seller-head { align-items: flex-start; gap: 14px; }
  .seller-photo { width: 64px; height: 64px; }
  .seller-name small { display: block; margin-left: 0; }
}

#print-root { display: none; }
@page { size: A4 landscape; margin: 10mm; }
@media print {
  body.printing > *:not(#print-root) { display: none !important; }
  body.printing { background: #fff; color: #000; }
  body.printing #print-root { display: block; }
  .pp { page-break-after: always; break-after: page; font: 9pt/1.4 system-ui, "Hiragino Sans", sans-serif; color: #000; }
  .pp:last-child { page-break-after: auto; break-after: auto; }
  .pp h1 { font-size: 14pt; margin: 0 0 2mm; }
  .ph { border-collapse: collapse; margin-bottom: 3mm; font-size: 9pt; }
  .ph th, .ph td { border: 1px solid #888; padding: .6mm 2mm; text-align: left; }
  .ph th { background: #f0f0f0; width: 18mm; }
  .pd .psvg { display: block; width: 100%; height: 150mm; color: #000; }
  .psvg .ln { fill: none; stroke: #000; stroke-width: .6px; vector-effect: non-scaling-stroke; }
  .psvg .tx { fill: #000; font-family: system-ui, sans-serif; }
  .psvg .ring { fill: #fff; stroke: #000; stroke-width: 1.2px; vector-effect: non-scaling-stroke; }
  .psvg .num { fill: #000; font-weight: 800; font-family: system-ui, sans-serif; }
  .psvg .leader { stroke: #000; stroke-width: .8px; vector-effect: non-scaling-stroke; }
  .psvg .dot { fill: #000; }
  .pt { border-collapse: collapse; width: 100%; font-size: 8.5pt; }
  .pt th, .pt td { border: 1px solid #888; padding: .8mm 1.2mm; text-align: center; }
  .pt th { background: #f0f0f0; }
  .pt td.l { text-align: left; }
  .pt td.j.NG { font-weight: 800; }
  .pt thead { display: table-header-group; }
  .pt tr { break-inside: avoid; }
}