:root{--ink:#222;--muted:#666;--line:#ccc;--bg:#f7f5f2;--card:#fff;--accent:#a3122a}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Hiragino Sans","Yu Gothic UI",Meiryo,sans-serif;line-height:1.7}
main{max-width:1080px;margin:0 auto;padding:16px}
main.doc{max-width:760px}
h1{font-size:1.6rem;line-height:1.35;margin:.4em 0}
h2{font-size:1.2rem;margin-top:1.8em}
a{color:#2b5d8f}
.small{font-size:.85rem;color:var(--muted)}
.pr-notice{font-size:.8rem;color:var(--muted);margin:0}
.tabs{display:flex;flex-wrap:wrap;gap:6px;padding:0;list-style:none;margin:0 0 14px}
.tabs a{display:inline-block;padding:4px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;text-decoration:none;font-size:.92rem}
.tabs a[aria-current]{background:var(--accent);color:#fff;border-color:var(--accent)}
.tool{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:20px;align-items:start}
form{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;min-width:0}
fieldset{border:0;margin:0 0 12px;padding:0;min-width:0}
.t{display:block;font-weight:700;font-size:.92rem;margin-bottom:4px}
select,input[type=text]{width:100%;min-width:0;font:inherit;font-size:1rem;padding:8px;border:1px solid #bbb;border-radius:6px;background:#fff;color:var(--ink)}
.g2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px}
.stack>*{margin-bottom:6px}
.checks label{display:block;font-size:.95rem}
#tip{font-size:.85rem;color:#5a4a1a;background:#fbf6e6;border-radius:6px;padding:6px 8px;margin:6px 0 0}
#print{width:100%;font-size:1.05rem;font-weight:700;padding:12px;border:0;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer}
.preview{min-width:0;display:flex;flex-direction:column;align-items:center}
#pv{overflow:hidden;box-shadow:0 1px 5px rgba(0,0,0,.2);background:#fff}
.page{transform-origin:top left;background:#fff;display:flex;align-items:flex-start;overflow:hidden}
.noshi{position:relative;flex:none;overflow:hidden;background:#fff}
.page.cut .noshi{outline:.3mm dashed #bbb;outline-offset:-.15mm}
.noshi .bg{position:absolute;left:0;top:0}
.vt{position:absolute;writing-mode:vertical-rl;text-orientation:upright;white-space:nowrap;line-height:1;text-align:center;letter-spacing:.04em}
.warn{color:#9a3b00;font-size:.9rem}
.pr{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:20px 0}
.pr-label{margin:0;font-size:.85rem;color:var(--muted)}
.pr ul{margin:.3em 0;padding-left:1.2em}
table{border-collapse:collapse;width:100%;background:#fff;font-size:.92rem}
th,td{border:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}
.tw{overflow-x:auto}
footer{max-width:1080px;margin:30px auto 0;padding:16px;border-top:1px solid var(--line);font-size:.85rem;display:flex;flex-wrap:wrap;gap:12px}
footer p{width:100%;margin:0;color:var(--muted)}
@media (max-width:760px){.tool{grid-template-columns:minmax(0,1fr)}}
@media print{
  body{background:#fff}
  body>*:not(main),main>*:not(.tool),.tool>form,#info,#warn,.no-print{display:none!important}
  main,.tool,.preview{display:block;padding:0;margin:0;max-width:none}
  #pv{box-shadow:none;width:auto!important;height:auto!important;overflow:visible}
  .page{transform:none!important}
}