:root {
  --ink: #16181d;
  --muted: #6b7280;
  --rule: #e4e7ec;
  --accent: #1c5a9e;
  --accent-soft: #f2f6fb;
  --bg: #f4f6f9;
  --danger: #b23b3b;
  --ok: #1f7a4d;
  --radius: 10px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP",
    "Yu Gothic", Meiryo, sans-serif;
  font-size: 15px;
  line-height: 1.8;
}

.wrap { max-width: 820px; margin: 0 auto; padding: 0 16px; }

/* ---------- ヘッダ / フッタ ---------- */

.site-head {
  background: #fff;
  border-bottom: 2px solid var(--accent);
  padding: 16px 0;
  margin-bottom: 24px;
}
.site-head .brand { font-size: 15px; font-weight: 700; color: var(--accent); }
.site-head .doc-title { font-size: 12px; color: var(--muted); margin-top: 2px; }

.site-foot {
  margin-top: 40px;
  padding: 20px 0 40px;
  border-top: 1px solid var(--rule);
  font-size: 11.5px;
  color: var(--muted);
}

/* ---------- カード / 通知 ---------- */

.card {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.card > h2 {
  margin: 0 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
  font-size: 16px;
  color: var(--accent);
}

.notice {
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 20px;
  border: 1px solid var(--rule);
  background: #fff;
}
.notice h1 { margin: 0 0 8px; font-size: 19px; }
.notice p { margin: 0; font-size: 14px; }
.notice-info { background: var(--accent-soft); border-color: #cfe0f2; }
.notice-info h1 { color: var(--accent); }
.notice-error { background: #fdf4f4; border-color: #f0d4d4; }
.notice-error h1 { color: var(--danger); }
.notice-done { background: #f3faf6; border-color: #cfe8da; }
.notice-done h1 { color: var(--ok); }

/* ---------- フォーム ---------- */

.field { margin-bottom: 16px; }
.field > label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 6px;
}
.req {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  font-size: 10.5px;
  font-weight: 700;
  color: #fff;
  background: var(--danger);
  border-radius: 3px;
  vertical-align: 1px;
}

input[type="text"], input[type="email"], input[type="tel"], input[type="password"] {
  width: 100%;
  padding: 11px 13px;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  background: #fff;
  border: 1px solid #c9cdd4;
  border-radius: 7px;
  transition: border-color .15s, box-shadow .15s;
}
input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(28, 90, 158, .13);
}
input:disabled { background: #f4f5f7; color: var(--muted); }

.field.invalid input { border-color: var(--danger); background: #fffafa; }

.hint { margin: 6px 0 0; font-size: 12px; color: var(--muted); line-height: 1.6; }
.err { margin: 6px 0 0; font-size: 12.5px; color: var(--danger); line-height: 1.6; }
.err:empty { display: none; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
@media (max-width: 620px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- 条項 ---------- */

.clauses .clause {
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 16px 18px;
  margin-bottom: 14px;
  background: #fff;
}
.clause.rejected { border-color: #e8b9b9; background: #fdf6f6; }

.clause-head { display: flex; align-items: flex-start; gap: 12px; justify-content: space-between; }
.clause-head h3 {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.65;
  font-weight: 700;
  flex: 1;
}
.cno {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  margin-right: 8px;
  font-size: 12px;
  color: #fff;
  background: var(--accent);
  border-radius: 5px;
  vertical-align: 2px;
}
.cbody { margin: 4px 0; padding-left: 30px; font-size: 13.5px; line-height: 1.85; }
.cnote { margin: 4px 0; padding-left: 30px; font-size: 12px; color: var(--muted); line-height: 1.7; }

.answer-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--accent-soft);
  border-radius: 7px;
}
.answer-label { font-size: 12px; font-weight: 700; color: var(--accent); }
.answer-opts { display: flex; gap: 8px; flex-wrap: wrap; }

.opt {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: #fff;
  border: 1px solid #c9cdd4;
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.opt:hover { border-color: var(--accent); }
.opt:has(input:checked) { border-color: var(--accent); background: var(--accent); color: #fff; }
.opt input { accent-color: var(--accent); margin: 0; }
.opt:has(input:checked) input { accent-color: #fff; }

/* ---------- 別紙 ---------- */

.annex-block { margin-bottom: 18px; }
.annex-block h4 { margin: 0 0 6px; font-size: 13.5px; color: var(--accent); }
.annex-block p { margin: 3px 0; font-size: 13px; padding-left: 12px; line-height: 1.8; }

/* ---------- 送信 ---------- */

.submit-card { text-align: center; }
.closing { font-size: 14.5px; font-weight: 700; margin: 0 0 18px; }

.ack {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  text-align: left;
  padding: 14px 16px;
  margin-bottom: 18px;
  background: var(--accent-soft);
  border: 1px solid #cfe0f2;
  border-radius: 8px;
  font-size: 13.5px;
  cursor: pointer;
}
.ack input { margin-top: 4px; width: 17px; height: 17px; accent-color: var(--accent); flex: none; }

.btn-primary {
  display: inline-block;
  width: 100%;
  max-width: 420px;
  padding: 15px 28px;
  font-family: inherit;
  font-size: 15.5px;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background .15s, opacity .15s;
}
.btn-primary:hover:not(:disabled) { background: #16497f; }
.btn-primary:disabled { background: #b8bec7; cursor: not-allowed; }

.btn-secondary {
  display: inline-block;
  padding: 11px 24px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  background: #fff;
  border: 1.5px solid var(--accent);
  border-radius: 8px;
  text-decoration: none;
}
.btn-secondary:hover { background: var(--accent-soft); }

.fineprint { margin: 14px 0 0; font-size: 11.5px; color: var(--muted); line-height: 1.7; }
.meta-line { margin: 8px 0 0; font-size: 11px; color: var(--muted); }

.form-error {
  margin-top: 14px;
  padding: 12px 16px;
  background: #fdf4f4;
  border: 1px solid #f0d4d4;
  border-radius: 8px;
  color: var(--danger);
  font-size: 13.5px;
  text-align: left;
}

.loading { color: var(--muted); font-size: 13px; }

/* ---------- 契約確認ページ（/sign/:token） ---------- */

.doc-sheet {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
}
.doc-sheet h2 {
  margin: 28px 0 14px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--rule);
  font-size: 16px;
  color: var(--accent);
}
.doc-sheet section:first-child h2 { margin-top: 0; }

.summary dl { margin: 0; }
.summary dl > div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid #f0f2f5;
}
.summary dt { font-size: 12.5px; color: var(--muted); }
.summary dd { margin: 0; font-size: 13.5px; line-height: 1.75; }
@media (max-width: 620px) {
  .summary dl > div { grid-template-columns: 1fr; gap: 2px; }
}

.doc-sheet .clause { border: none; border-bottom: 1px solid #f0f2f5; border-radius: 0; padding: 14px 0; margin: 0; }
.doc-sheet .clause-head { align-items: center; }
.badge {
  flex: none;
  padding: 5px 15px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 999px;
  white-space: nowrap;
}

.doc-sheet .closing { margin: 26px 0 8px; font-size: 14.5px; font-weight: 700; text-align: center; }
.doc-sheet .privacy { margin: 0; font-size: 11.5px; color: var(--muted); text-align: center; }

.sign-panel {
  background: #fff;
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  padding: 26px;
  text-align: center;
  margin-bottom: 24px;
}

/* ---------- 契約条件の読み取り専用表示（申込フォーム） ---------- */

.terms {
  margin: 0;
  border: 1px solid var(--rule);
  border-radius: 8px;
  overflow: hidden;
}
.terms > div {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--rule);
}
.terms > div:last-child { border-bottom: none; }
.terms > div:nth-child(odd) { background: #fafbfc; }
.terms dt { font-size: 13px; color: var(--muted); }
.terms dd { margin: 0; font-size: 14px; }
.terms dd strong { font-size: 17px; font-weight: 700; letter-spacing: .01em; }
.terms-note {
  display: block;
  margin-top: 2px;
  font-size: 11.5px;
  color: var(--muted);
  line-height: 1.6;
}
@media (max-width: 620px) {
  .terms > div { grid-template-columns: 1fr; gap: 2px; }
}

/* ---------- 管理画面 ---------- */

.wrap-wide { max-width: 1100px; }
.card-narrow { max-width: 460px; margin-left: auto; margin-right: auto; }

.admin-bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.admin-bar h1 { margin: 0; font-size: 20px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 18px; }
@media (max-width: 820px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .grid-3 { grid-template-columns: 1fr; } }

.advanced {
  margin: 6px 0 18px;
  padding: 12px 16px;
  background: #fafbfc;
  border: 1px solid var(--rule);
  border-radius: 8px;
}
.advanced summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}
.advanced[open] summary { margin-bottom: 14px; }

.form-actions { display: flex; align-items: center; gap: 16px; }
.btn-inline { width: auto; max-width: none; }

.btn-text {
  padding: 4px 8px;
  font-family: inherit;
  font-size: 12.5px;
  color: var(--accent);
  background: none;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
.btn-text:hover { background: var(--accent-soft); }
.btn-text.danger { color: var(--danger); }
.btn-text.danger:hover { background: #fdf4f4; }

.created-box {
  margin-top: 20px;
  padding: 18px;
  background: #f3faf6;
  border: 1px solid #cfe8da;
  border-radius: 8px;
}
.created-label { font-size: 12.5px; font-weight: 700; color: var(--ok); margin-bottom: 8px; }
.created-row { display: flex; gap: 10px; }
.created-row input {
  flex: 1;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
}

.table-scroll { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; white-space: nowrap; }
.admin-table th {
  padding: 9px 10px;
  text-align: left;
  font-size: 11.5px;
  color: var(--muted);
  border-bottom: 1px solid var(--rule);
}
.admin-table td { padding: 10px; border-bottom: 1px solid #f0f2f5; }
.admin-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.admin-table td.nowrap { white-space: nowrap; }

.chip {
  display: inline-block;
  padding: 3px 10px;
  font-size: 11.5px;
  font-weight: 700;
  border-radius: 999px;
  white-space: nowrap;
}
.chip-open { color: var(--accent); background: var(--accent-soft); }
.chip-wait { color: #8a6100; background: #fdf6e6; }
.chip-ok   { color: var(--ok); background: #eef8f2; }
.chip-off  { color: var(--muted); background: #f2f3f5; }

.code {
  margin: 12px 0;
  padding: 12px 14px;
  background: #16181d;
  color: #e8eaee;
  border-radius: 7px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px;
  overflow-x: auto;
}

/* 金額サマリ（管理画面の折りたたみ見出し） */
.advanced summary { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.fee-summary { font-weight: 700; color: var(--ink); font-size: 13.5px; }
.fee-summary.fee-custom { color: var(--accent); }
.fee-toggle { font-size: 12px; font-weight: 400; color: var(--accent); }