* { box-sizing: border-box; margin: 0; }
:root {
  --bg: #f5f5f7; --card: rgba(255,255,255,.82); --text: #1d1d1f; --sub: #6e6e73;
  --blue: #0071e3; --blue-d: #0060c0; --line: rgba(0,0,0,.08); --red: #ff3b30; --green: #34c759;
}
body { font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "SF Pro JP", sans-serif;
  background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; }
.nav { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  background: rgba(245,245,247,.72); border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 14px; padding: 12px 22px; flex-wrap: wrap; }
.nav .brand { font-weight: 600; font-size: 16px; letter-spacing: -.01em; white-space: nowrap; }
.nav a { color: var(--blue); text-decoration: none; font-size: 14.5px; white-space: nowrap;
  padding: 10px 8px; min-height: 44px; display: inline-flex; align-items: center; }
/* 狭い画面ではナビを詰めて折り返しても読めるようにする（375pxで文字が縦に割れる事故対策） */
@media (max-width: 480px) {
  .nav { gap: 6px; padding: 6px 12px; }
  .nav a { font-size: 14px; padding: 9px 6px; }
  .nav .sub { font-size: 12.5px; }
}
.wrap { max-width: 760px; margin: 0 auto; padding: 34px 20px 80px; }
h1 { font-size: 32px; font-weight: 700; letter-spacing: -.02em; margin-bottom: 6px; }
.lede { color: var(--sub); font-size: 15px; margin-bottom: 26px; }
.card { background: var(--card); backdrop-filter: blur(20px); border: 1px solid var(--line);
  border-radius: 18px; padding: 22px; margin-bottom: 18px;
  box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.04); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--blue); color: #fff; border: none; border-radius: 980px;
  padding: 11px 22px; font-size: 15px; font-family: inherit; cursor: pointer;
  transition: transform .15s ease, background .15s ease; }
.btn:hover { background: var(--blue-d); }
.btn:active { transform: scale(.97); }
.btn.ghost { background: rgba(0,113,227,.08); color: var(--blue); }
.btn.subtle { background: rgba(0,0,0,.05); color: var(--text); }
.btn.danger { background: rgba(255,59,48,.09); color: var(--red); }
.btn.small { padding: 10px 16px; font-size: 14px; min-height: 40px; }
input, select { font-family: inherit; font-size: 16px; padding: 13px 14px; width: 100%; min-height: 48px;
  border: 1px solid #d2d2d7; border-radius: 12px; background: #fff; outline: none;
  transition: box-shadow .15s ease, border-color .15s ease; }
input:focus, select:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(0,113,227,.15); }
label { display: block; font-size: 13.5px; color: var(--sub); margin: 14px 0 6px; }
.row { display: flex; align-items: center; gap: 12px; }
.avatar { width: 38px; height: 38px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, #a8c7fa, #5b8def); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 600; }
.sub { color: var(--sub); font-size: 13.5px; }
.pill { font-size: 13px; padding: 4px 12px; border-radius: 980px; background: rgba(0,0,0,.05); color: var(--sub); }
.pill.blue { background: rgba(0,113,227,.1); color: var(--blue); }
.pill.green { background: rgba(52,199,89,.12); color: #1f8f43; }
.toast { position: fixed; left: 50%; bottom: 34px; transform: translateX(-50%) translateY(20px);
  background: rgba(29,29,31,.92); color: #fff; padding: 12px 24px; border-radius: 980px;
  font-size: 14px; opacity: 0; pointer-events: none; transition: all .25s ease; backdrop-filter: blur(10px); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.divider { height: 1px; background: var(--line); margin: 16px 0; }
.mocknote { text-align: center; font-size: 13px; color: var(--sub); margin-top: 26px; }
textarea { font-family: inherit; font-size: 15px; padding: 11px 14px; width: 100%;
  border: 1px solid #d2d2d7; border-radius: 12px; background: #fff; outline: none; resize: vertical;
  transition: box-shadow .15s ease, border-color .15s ease; }
textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(0,113,227,.15); }
.banner { border-radius: 14px; padding: 12px 16px; font-size: 13.5px; margin: 12px 0; line-height: 1.55; }
.banner.ok { background: rgba(52,199,89,.12); color: #1a7c3c; }
.banner.warn { background: rgba(255,159,10,.13); color: #8a5200; }
.banner.err { background: rgba(255,59,48,.1); color: #b0261c; }
.banner a { color: inherit; font-weight: 600; }
.chip { display: inline-block; font-size: 13px; padding: 4px 12px; border-radius: 980px; }
.chip.active { background: rgba(255,159,10,.14); color: #8a5200; }
.chip.completed { background: rgba(52,199,89,.12); color: #1f8f43; }
.chip.rejected { background: rgba(255,59,48,.1); color: #b0261c; }
.chip.superseded { background: rgba(0,0,0,.05); color: var(--sub); }
.doc-row { display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 12px 4px; border-bottom: 1px solid var(--line); font-size: 14px; }
.doc-row:last-child { border-bottom: none; }
.stamps { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; margin: 14px 0 8px; }
.stamp { text-align: center; font-size: 13px; color: var(--sub); }
.seal { width: 56px; height: 56px; border: 2.5px solid #d84a30; border-radius: 50%; color: #d84a30;
  display: flex; align-items: center; justify-content: center; font-size: 17px; font-weight: 600;
  font-family: "Hiragino Mincho ProN", serif; margin: 0 auto 5px; background: #fff; }
.seal.wait { border-style: dashed; border-color: #c7c7cc; color: #aeaeb2; font-size: 13px; font-weight: 400; }
.seal.now { border-style: dashed; border-color: var(--blue); color: var(--blue); font-size: 13px; font-weight: 500; }
.holdbtn { position: relative; overflow: hidden; width: 100%; padding: 16px; font-size: 16px;
  border-radius: 16px; border: none; background: var(--blue); color: #fff; font-family: inherit; cursor: pointer; }
.holdbtn .fill { position: absolute; inset: 0; width: 0%; background: rgba(255,255,255,.28); }
.holdbtn .lbl { position: relative; }
.pop { animation: stamp .25s cubic-bezier(.2, 1.6, .4, 1); }
@keyframes stamp { from { transform: scale(2.2) rotate(-10deg); opacity: 0; } to { transform: scale(1) rotate(-4deg); opacity: 1; } }
.suggest { position: relative; }
.suggest .menu { position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 30;
  background: rgba(255,255,255,.97); backdrop-filter: blur(20px); border: 1px solid var(--line);
  border-radius: 14px; box-shadow: 0 12px 32px rgba(0,0,0,.12); overflow: hidden; }
.suggest .menu div { padding: 14px; font-size: 15px; min-height: 48px; display: flex; align-items: center; gap: 8px; cursor: pointer; }
.suggest .menu div:hover { background: rgba(0,113,227,.07); }
.suggest .menu .m { color: var(--sub); font-size: 13px; }

/* ---- 既存画面(index/approve/status/resubmit/inbox)互換 ---- */
a { color: var(--blue); }
h2 { font-size: 17px; font-weight: 650; letter-spacing: -.01em; margin: 28px 0 10px; }
.muted { color: var(--sub); font-size: 13.5px; }
button { font-family: inherit; font-size: 15px; padding: 13px 20px; border-radius: 980px;
  border: none; background: rgba(0,0,0,.05); color: var(--text); cursor: pointer;
  min-height: 44px;
  transition: transform .15s ease, background .15s ease; }
button:active { transform: scale(.97); }
button:disabled { opacity: .45; cursor: default; transform: none; }
button.primary { background: var(--blue); color: #fff; }
button.primary:hover { background: var(--blue-d); }
button.danger { background: rgba(255,59,48,.09); color: var(--red); }
.seal.pending { border-style: dashed; border-color: #c7c7cc; color: #aeaeb2; font-size: 13px; font-weight: 400; }
.seal.current { border-color: var(--blue); color: var(--blue); }
.stamp img { display: block; margin: 0 auto 5px; }

/* ==== 2026-07-26 UI/UXレビュー反映（タップ44px・共通CTA・状態表示） ==== */
/* 主要CTA（発行・押印・保存・再提出）を全画面で同じ大きさに揃える */
.btn.primary-lg { width: 100%; padding: 15px; font-size: 16px; min-height: 52px; border-radius: 14px; }
/* ファイル選択（index と resubmit で同一にする） */
.btn.fileselect { width: 100%; min-height: 64px; font-size: 16px; border-radius: 14px;
  border: 1.5px dashed rgba(0,113,227,.35); background: rgba(0,113,227,.06); color: var(--blue); }
/* 処理中スピナー */
.spinner { display: inline-block; width: 14px; height: 14px; margin-right: 8px;
  border: 2px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%;
  animation: spin .8s linear infinite; vertical-align: middle; }
.btn.ghost .spinner, .btn.subtle .spinner { border-color: rgba(0,113,227,.25); border-top-color: var(--blue); }
@keyframes spin { to { transform: rotate(360deg); } }
/* 操作用の小さなアイコンボタン（並べ替え・削除）は40px角を確保する */
.iconbtn { min-width: 44px; min-height: 44px; padding: 0; font-size: 16px; border-radius: 12px; }
/* チェックボックスは指で押せる大きさに。ラベル全体をタップ領域にする */
.checkrow { display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 8px 0;
  font-size: 14.5px; cursor: pointer; }
.checkrow input[type=checkbox] { width: 22px; height: 22px; min-height: 22px; margin: 0; accent-color: var(--blue); }
/* 承認履歴はスマホでは2列に（承認者が多いと縦に伸びすぎる） */
@media (max-width: 480px) {
  .stamps { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
}