:root {
  color-scheme: light;
  --ink: #18312b;
  --muted: #5e6d68;
  --paper: #ffffff;
  --canvas: #f4f7f5;
  --line: #d9e2de;
  --green: #087f5b;
  --green-dark: #056447;
  --green-soft: #e3f5ed;
  --red: #bd2c2c;
  --red-soft: #fff0f0;
  --amber: #a35c00;
  font-family: "Yu Gothic UI", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--canvas); line-height: 1.65; }
a { color: var(--green-dark); }
.site-header { background: #153f35; color: #fff; }
.header-inner { max-width: 1040px; margin: auto; padding: 14px 20px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { color: #fff; text-decoration: none; font-size: 1.15rem; font-weight: 800; white-space: nowrap; }
nav { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
nav a { color: #e8f5f0; text-decoration: none; padding: 6px 9px; border-radius: 8px; font-size: .9rem; }
nav a:hover { background: rgba(255,255,255,.12); }
.nav-form { margin: 0; }
.nav-form button { min-height: 0; padding: 6px 9px; background: transparent; color: #e8f5f0; font-size: .9rem; }
.nav-form button:hover { background: rgba(255,255,255,.12); }
.container { max-width: 880px; margin: 0 auto; padding: 30px 18px 64px; }
.hero { padding: 26px 4px 18px; }
.hero.compact { padding-bottom: 8px; }
.hero h1 { margin: 2px 0 8px; font-size: clamp(1.75rem, 6vw, 2.7rem); line-height: 1.25; }
.hero p { margin: 0; color: var(--muted); }
.eyebrow { color: var(--green) !important; font-weight: 800; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 22px; box-shadow: 0 7px 24px rgba(25,55,45,.06); margin: 18px 0; }
.card h2 { margin-top: 0; }
label { display: block; font-weight: 800; margin-bottom: 8px; }
input[type="text"], input[type="search"], input:not([type]) { width: 100%; }
input { min-height: 48px; border: 1px solid #aebdb7; border-radius: 10px; padding: 10px 13px; font: inherit; background: #fff; }
input:focus { outline: 3px solid #bde8d6; border-color: var(--green); }
.search-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
button, .button { border: 0; border-radius: 10px; padding: 12px 20px; background: var(--green); color: #fff; font: inherit; font-weight: 800; text-decoration: none; cursor: pointer; text-align: center; }
button:hover, .button:hover { background: var(--green-dark); }
.button.secondary { background: #e8efec; color: var(--ink); }
.decision-card { border-radius: 18px; padding: 26px; margin: 22px 0; border: 2px solid; }
.decision-card.allowed { background: var(--green-soft); border-color: #58b995; }
.decision-card.prohibited { background: var(--red-soft); border-color: #e27a7a; }
.decision-card h2 { margin: 0; font-size: clamp(1.7rem, 6vw, 2.35rem); line-height: 1.3; }
.decision-kicker { margin: 0 0 5px; font-weight: 800; color: var(--muted); }
.company-name { font-size: 1.15rem; font-weight: 800; margin-bottom: 4px; }
.reason { margin-top: 14px; padding-top: 12px; border-top: 1px solid rgba(130,50,50,.2); }
.detail-list { margin: 0; }
.detail-list > div { display: grid; grid-template-columns: minmax(130px, .8fr) 1.2fr; gap: 16px; padding: 12px 0; border-bottom: 1px solid #e6ece9; }
.detail-list > div:last-child { border-bottom: 0; }
dt { color: var(--muted); }
dd { margin: 0; font-weight: 700; overflow-wrap: anywhere; }
.yes { color: var(--green-dark); }
.no { color: var(--red); }
.candidate-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; }
.candidate { display: flex; flex-direction: column; padding: 15px; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; }
.candidate:hover { border-color: var(--green); background: #f2fbf7; }
.candidate span, .candidate-list span { display: block; color: var(--muted); font-size: .9rem; }
.candidate small { display: block; margin-top: 5px; color: var(--muted); }
.candidate-disabled { background: #f2f2f2; border-color: #c9cecc; color: #636b68; }
.candidate-list { padding-left: 20px; }
.candidate-list li { margin: 8px 0; }
.site-form { display: grid; gap: 12px; }
.form-help { margin: -4px 0 4px; color: var(--muted); font-size: .9rem; }
.contract-list { display: grid; gap: 10px; }
.contract-item { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 13px; border: 1px solid var(--line); border-radius: 10px; }
.contract-item span { display: block; font-size: .9rem; }
.upload-form { display: grid; gap: 15px; }
.login-form { display: grid; gap: 12px; max-width: 520px; }
.upload-form input[type="file"] { padding: 9px; height: auto; }
.notice { border-left: 4px solid #db9c3f; background: #fff8e8; padding: 14px 20px; border-radius: 4px 12px 12px 4px; }
.notice h2 { margin: 0; font-size: 1rem; }
.notice ul { margin-bottom: 0; padding-left: 20px; }
.flash { margin: 12px 0; padding: 13px 16px; border-radius: 10px; font-weight: 700; }
.flash-error { color: #852020; background: #ffe8e8; border: 1px solid #efb2b2; }
.flash-success { color: #075f43; background: #ddf6eb; border: 1px solid #a6ddc8; }
.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin: 18px 0; }
.metric { padding: 17px; border-radius: 13px; background: var(--paper); border: 1px solid var(--line); }
.metric span { display: block; color: var(--muted); font-size: .88rem; }
.metric strong { display: block; font-size: 2rem; line-height: 1.2; }
.metric.danger strong { color: var(--red); }
.diff-counts { display: flex; flex-wrap: wrap; gap: 10px; }
.diff-counts span { background: #f0f4f2; padding: 8px 12px; border-radius: 8px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.diff-heading { display: flex; align-items: center; gap: 10px; }
.diff-heading h2 { margin: 0; }
.change { padding: 3px 9px; border-radius: 999px; font-weight: 800; font-size: .82rem; }
.change-追加 { background: #dff5ea; color: #086144; }
.change-変更 { background: #fff1ce; color: #7e4b00; }
.change-削除 { background: #ffe3e3; color: #922b2b; }
.comparison { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; margin-top: 15px; }
.comparison h3 { margin: 0 0 7px; font-size: 1rem; }
.comparison dl { margin: 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.comparison dl > div { display: grid; grid-template-columns: 110px 1fr; gap: 8px; padding: 7px 10px; border-bottom: 1px solid #e8eeeb; }
.comparison dl > div:last-child { border-bottom: 0; }
.history-item { display: grid; grid-template-columns: 1.2fr 1fr auto; align-items: center; gap: 14px; }
.history-item span { display: block; color: var(--muted); font-size: .9rem; }
.history-meta { color: var(--muted); }
.compact-actions { margin: 0; }
.compact-actions .button { padding: 8px 12px; }
.empty-state { text-align: center; padding: 40px 20px; }

/* 会社名の入力候補 */
.search-autocomplete {
  position: relative;
  min-width: 0;
}

.company-suggestions {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  left: 0;
  z-index: 100;
  max-height: 360px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid #aebdb7;
  border-radius: 10px;
  box-shadow: 0 12px 28px rgba(24, 49, 43, .18);
}

.company-suggestion {
  display: block;
  padding: 12px 14px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid #e6ece9;
  cursor: pointer;
}

.company-suggestion:last-child {
  border-bottom: 0;
}

.company-suggestion:hover,
.company-suggestion.is-active {
  background: #edf9f4;
}

.company-suggestion-name {
  display: block;
  font-weight: 800;
  line-height: 1.45;
}

.company-suggestion-address {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.45;
}

.company-suggestion-furigana {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.4;
}

.company-suggestion.is-disabled {
  color: #6d7572;
  background: #f2f3f3;
  cursor: not-allowed;
}

.company-suggestion.is-disabled:hover {
  background: #f2f3f3;
}

@media (max-width: 640px) {
  .header-inner { align-items: flex-start; flex-direction: column; gap: 7px; }
  nav { justify-content: flex-start; }
  .container { padding-top: 18px; }
  .card { padding: 18px; }
  .search-row { grid-template-columns: 1fr; }
  button { width: 100%; }
  .detail-list > div { grid-template-columns: 1fr; gap: 2px; }
  .history-item { grid-template-columns: 1fr; }
  .compact-actions { margin-top: 4px; }
}

/* 積込み禁止時の法的リスク */
.legal-risk-card {
  margin: 22px 0;
  overflow: hidden;
  background: #fff;
  border: 2px solid #dc6a5e;
  border-radius: 18px;
  box-shadow: 0 8px 24px rgba(100, 30, 20, .10);
}

.legal-risk-header {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 20px 22px;
  background: #fff3f1;
  border-bottom: 1px solid #efc6c0;
}

.legal-risk-header h2 {
  margin: 0;
  color: #8e2118;
  font-size: clamp(1.45rem, 5vw, 2rem);
}

.legal-risk-header p {
  margin: 4px 0 0;
  color: #693f3a;
}

.legal-risk-icon {
  display: grid;
  place-items: center;
  flex: 0 0 54px;
  width: 54px;
  height: 54px;
  color: #fff;
  background: #c93628;
  border-radius: 50%;
  font-size: 2rem;
  font-weight: 900;
}

.legal-risk-alert {
  margin: 18px;
  padding: 15px 17px;
  color: #721f18;
  background: #ffe8e4;
  border-left: 6px solid #c93628;
  border-radius: 10px;
}

.legal-risk-alert p {
  margin: 5px 0 0;
}

.customer-explanation {
  margin: 18px;
  padding: 17px;
  background: #fff;
  border: 2px solid #c93628;
  border-radius: 12px;
}

.customer-explanation h3 {
  margin: 0 0 8px;
  color: #9a261c;
}

.customer-explanation blockquote {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.risk-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 18px;
}

.risk-item {
  padding: 16px;
  background: #f8faf9;
  border: 1px solid #d9e2de;
  border-radius: 12px;
}

.risk-item h3 {
  margin: 3px 0 8px;
}

.risk-item p {
  margin: 6px 0;
}

.risk-label {
  color: var(--muted);
  font-size: .85rem;
  font-weight: 800;
}

.risk-penalty {
  color: #c12f24;
  font-weight: 900;
}

.severe-risk {
  margin: 18px;
  padding: 17px;
  background: #fff4d9;
  border: 1px solid #e2b95b;
  border-radius: 12px;
}

.severe-risk h3 {
  margin: 0 0 8px;
  color: #805000;
}

.severe-risk ul {
  margin-bottom: 0;
  padding-left: 22px;
}

.field-stop-rule {
  margin: 18px;
  padding: 17px 20px;
  color: #fff;
  background: #18312b;
  border-radius: 12px;
}

.field-stop-rule > strong {
  display: block;
  font-size: 1.2rem;
}

.field-stop-rule ol {
  margin-bottom: 0;
  padding-left: 22px;
}

.legal-risk-note {
  margin: 18px 20px 22px;
  color: var(--muted);
  font-size: .85rem;
}

@media (max-width: 640px) {
  .legal-risk-header {
    align-items: flex-start;
    padding: 16px;
  }

  .legal-risk-icon {
    flex-basis: 44px;
    width: 44px;
    height: 44px;
    font-size: 1.45rem;
  }

  .legal-risk-alert,
  .customer-explanation,
  .risk-grid,
  .severe-risk,
  .field-stop-rule {
    margin: 13px;
  }

  .risk-grid {
    grid-template-columns: 1fr;
  }

  .customer-explanation blockquote {
    font-size: 1rem;
  }
}