/* マルトク for Business — 共通スタイル（墨・紙・藍・木） */
:root {
  --ink: #1c2126; --ink-2: #4a535c; --ink-3: #7b858f;
  --paper: #f5f6f4; --surface: #fff; --line: #d9dde0; --line-2: #e9ecee;
  --ai: #24476b; --ai-2: #1b3753; --ai-soft: #e3ebf3;
  --wood: #b8895a; --wood-soft: #f1e7da;
  --ok: #2f7a4f; --warn: #a86a12; --bad: #b33a2e;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --disp: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
  --radius: 4px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--paper); color: var(--ink); font: 15px/1.75 var(--sans); }
a { color: var(--ai); }
h1, h2, h3 { font-family: var(--disp); line-height: 1.35; margin: 0; text-wrap: balance; }
p { margin: 0 0 12px; }
.num, .mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-2); }
.small { font-size: 13px; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--ai); outline-offset: 2px; }

/* layout */
.wrap { max-width: 1180px; margin: 0 auto; padding-inline: 20px; }
.narrow { max-width: 520px; margin: 0 auto; padding-inline: 20px; }

/* header */
.gh { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; transition: transform .22s ease; }
.gh.is-hidden { transform: translateY(-100%); }
.gh .wrap { display: flex; align-items: center; gap: 22px; min-height: 56px; position: relative; }
.gh-menu { display: flex; align-items: center; gap: 22px; flex: 1; min-width: 0; }
.menu-btn { display: none; margin-left: auto; align-items: center; gap: 6px; font: 700 13px/1 var(--sans); color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 12px; cursor: pointer; }
.menu-btn .bars { width: 14px; height: 10px; background: linear-gradient(var(--ink), var(--ink)) 0 0 / 100% 2px no-repeat,
  linear-gradient(var(--ink), var(--ink)) 0 50% / 100% 2px no-repeat, linear-gradient(var(--ink), var(--ink)) 0 100% / 100% 2px no-repeat; }
.logo { font: 700 15px/1 var(--disp); letter-spacing: .06em; color: var(--ink); text-decoration: none; white-space: nowrap; }
.logo span { color: var(--ai); }
.gnav { display: flex; gap: 4px; flex-wrap: wrap; }
.gnav a { text-decoration: none; color: var(--ink-2); font-size: 14px; padding: 6px 10px; border-radius: var(--radius); }
.gnav a:hover { background: var(--line-2); color: var(--ink); }
.gnav a.on { color: var(--ink); font-weight: 700; background: var(--ai-soft); }
.gh .who { margin-left: auto; font-size: 13px; color: var(--ink-3); display: flex; gap: 14px; align-items: center; }
.gh .who a { color: var(--ink-3); }

.page-head { padding-block: 28px 18px; }
.page-head h1 { font-size: 26px; }
.page-head p { margin: 6px 0 0; color: var(--ink-2); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 700 14px/1 var(--sans);
  padding: 11px 16px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface);
  color: var(--ink); text-decoration: none; cursor: pointer; }
.btn:hover { border-color: var(--ink-3); }
.btn.pri { background: var(--ai); border-color: var(--ai); color: #fff; }
.btn.pri:hover { background: var(--ai-2); }
.btn.sm { padding: 6px 10px; font-size: 12.5px; }
.btn.danger { color: var(--bad); }
.btn[disabled], .btn.disabled { opacity: .45; cursor: not-allowed; pointer-events: none; }
.btn small { font-weight: 400; opacity: .8; }

/* forms */
.field { display: grid; gap: 5px; margin-bottom: 14px; }
.field label { font-size: 13px; color: var(--ink-2); font-weight: 500; }
.field .req { color: var(--bad); font-size: 11.5px; margin-left: 6px; }
.input, select.input, textarea.input { font: 15px/1.5 var(--sans); padding: 9px 11px; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--surface); color: var(--ink); width: 100%; }
.input:focus { outline: 2px solid var(--ai-soft); border-color: var(--ai); }
.error-box { border-left: 3px solid var(--bad); background: #fbeeec; padding: 10px 14px; border-radius: 0 var(--radius) var(--radius) 0; font-size: 14px; margin-bottom: 16px; }
.info-box { border-left: 3px solid var(--ai); background: var(--ai-soft); padding: 10px 14px; border-radius: 0 var(--radius) var(--radius) 0; font-size: 14px; margin-bottom: 16px; }
.warn-box-g { border-left: 3px solid var(--warn); background: #fbf3e6; padding: 10px 14px; border-radius: 0 var(--radius) var(--radius) 0; font-size: 14px; margin-bottom: 16px; }

/* cards & panels */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.panel-h { font: 700 12px/1.2 var(--mono); color: var(--ink-3); letter-spacing: .06em; margin-bottom: 10px; }

/* tables */
.tbl { overflow-x: auto; }
table.t { border-collapse: collapse; width: 100%; background: var(--surface); font-size: 14px; }
table.t th, table.t td { border-bottom: 1px solid var(--line); padding: 9px 10px; text-align: left; vertical-align: middle; }
table.t th { background: var(--line-2); font-size: 12px; color: var(--ink-2); font-weight: 700; white-space: nowrap; }
table.t td.r, table.t th.r { text-align: right; }
table.t tfoot td { font-weight: 700; border-bottom: 0; }

.linkbtn { border: 0; background: none; color: var(--ink-3); font-size: 12.5px; cursor: pointer; padding: 6px; text-decoration: underline; text-underline-offset: 3px; }
.linkbtn:hover { color: var(--ink); }
.linkbtn.del { color: var(--bad); }

.pill { display: inline-block; font-size: 11.5px; font-weight: 700; padding: 1px 8px; border-radius: 999px; white-space: nowrap; }
.p-ok { background: #e3f1e8; color: var(--ok); }
.p-warn { background: #f8ecd8; color: var(--warn); }
.p-bad { background: #f7e1de; color: var(--bad); }
.p-ai { background: var(--ai-soft); color: var(--ai); }

.gf { margin-top: 56px; padding-block: 0 34px; font-size: 13px; color: var(--ink-3); }
.gf .wrap { display: grid; gap: 18px; }
.gf-brand { display: grid; place-items: center; text-align: center; min-height: 250px; padding: 42px 24px;
  color: #fff; background: linear-gradient(145deg, #1b3753, #24476b); border-radius: 8px;
  box-shadow: 0 12px 28px rgba(28, 33, 38, .12); overflow: hidden; position: relative; }
.gf-brand::before { content: ""; position: absolute; inset: 0; background:
  linear-gradient(90deg, rgba(255,255,255,.04), rgba(255,255,255,0) 45%, rgba(255,255,255,.05)),
  repeating-linear-gradient(90deg, rgba(255,255,255,.018) 0 1px, transparent 1px 42px);
  pointer-events: none; }
.gf-brand p { position: relative; margin: 0 0 18px; color: rgba(255,255,255,.78); font: 700 24px/1.5 var(--disp); }
.gf-brand-link { position: relative; color: #fff; text-decoration: none; }
.gf-brand-link:hover { text-decoration: underline; text-underline-offset: 6px; }
.gf-brand strong { position: relative; display: block; font: 700 48px/1.1 var(--disp); color: #fff; }
.gf-brand strong span { font-size: .72em; font-weight: 700; }
.gf-main { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; padding-inline: 2px; }
.gf-info { display: flex; flex-wrap: wrap; gap: 4px 18px; align-items: center; }
.gf-info b { color: var(--ink-2); }
.gf-links { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; }
.gf-links a { color: var(--ink-3); text-decoration: none; }
.gf-links a:hover { color: var(--ai); text-decoration: underline; text-underline-offset: 3px; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: #fff;
  padding: 10px 18px; border-radius: var(--radius); font-size: 14px; z-index: 100; box-shadow: 0 4px 16px rgba(0,0,0,.18); }

@media (max-width: 720px) {
  .gh .wrap { min-height: 50px; gap: 12px; }
  .menu-btn { display: inline-flex; }
  /* スマホではメニューをボタンの下に開く。閉じている間はロゴとボタンの1段だけ */
  .gh-menu { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--surface);
    border-bottom: 1px solid var(--line); box-shadow: 0 8px 16px rgba(0,0,0,.08);
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 14px; }
  .gh.is-open .gh-menu { display: flex; }
  .gh-menu .gnav { flex-direction: column; gap: 2px; }
  .gh-menu .gnav a { padding: 11px 10px; font-size: 15px; }
  .gh-menu .who { margin: 8px 0 0; padding-top: 10px; border-top: 1px solid var(--line-2); justify-content: space-between; }
  .page-head { padding-block: 18px 12px; }
  .page-head h1 { font-size: 22px; }
  .gf { margin-top: 42px; padding-bottom: 28px; }
  .gf-brand { min-height: 176px; padding: 30px 18px; border-radius: 6px; }
  .gf-brand p { font-size: 17px; margin-bottom: 14px; }
  .gf-brand strong { font-size: 30px; }
  .gf-main { display: grid; gap: 12px; }
  .gf-info { display: grid; gap: 3px; }
  .gf-links { gap: 6px 12px; }
}
@media (prefers-reduced-motion: reduce) { .gh { transition: none; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }