/* AI稟議書ジェネレーター -- スタイル
   アイデンティティ: 決裁書類の世界。インク藍 + 朱肉レッド + 用紙クリーム。
   生成AI汎用の紫グラデ・外部フォントは使わない (フォントはシステムスタック)。 */

:root {
  --ink:      #1d2b3a;   /* 本文インク */
  --ink-soft: #40525f;
  --ink-faint:#7b8894;
  --seal:     #c0392b;   /* 朱肉レッド (アクセント) */
  --seal-dk:  #9c2b20;
  --paper:    #fbf7ef;   /* 用紙クリーム */
  --paper-2:  #f3ecdd;
  --card:     #ffffff;
  --line:     #e3dccb;
  --line-2:   #d3cbb8;
  --bg:       #eef1f4;   /* 台紙 */
  --ink-navy: #223a52;
  --ok:       #2f7d55;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(29,43,58,.06), 0 8px 24px rgba(29,43,58,.08);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Yu Gothic", "Meiryo", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 15px;
}

/* ---------- ヒーロー ---------- */
.hero {
  background: linear-gradient(180deg, #223a52 0%, #1a2c40 100%);
  color: #f4f1ea;
  padding: 40px 20px 34px;
  border-bottom: 4px solid var(--seal);
}
.hero-inner { max-width: 1080px; margin: 0 auto; }
.brand {
  display: inline-block; font-weight: 700; font-size: 14px; letter-spacing: .04em;
  color: #d8e2ec; margin-bottom: 14px;
}
.hero h1 {
  margin: 0 0 12px; font-size: clamp(26px, 5vw, 40px); line-height: 1.28; font-weight: 800;
  letter-spacing: .01em;
}
.hero h1 .hl {
  color: #fff; background: linear-gradient(transparent 62%, rgba(192,57,43,.55) 62%);
  padding: 0 .1em;
}
.hero .lede { margin: 0 0 16px; max-width: 46em; color: #d3ddE6; font-size: 15.5px; }
.privacy-badge {
  display: inline-block; margin: 0; font-size: 13px; font-weight: 600;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
  color: #eaf1f7; padding: 7px 13px; border-radius: 999px;
}

/* ---------- レイアウト ---------- */
.layout {
  max-width: 1080px; margin: 0 auto; padding: 22px 16px 8px;
  display: grid; gap: 18px;
}
.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 18px; box-shadow: var(--shadow);
}
.step-head {
  margin: 0 0 16px; font-size: 18px; font-weight: 800; color: var(--ink);
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.step-head small { font-weight: 500; font-size: 12.5px; color: var(--ink-faint); }
.step-num {
  display: inline-grid; place-items: center; width: 26px; height: 26px;
  background: var(--seal); color: #fff; border-radius: 50%; font-size: 14px; font-weight: 800;
  flex: none;
}

/* ---------- Step1 ツールカード ---------- */
.tool-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px;
}
.tool-card {
  text-align: left; cursor: pointer; background: var(--paper); border: 1.5px solid var(--line-2);
  border-radius: 10px; padding: 12px 13px; transition: border-color .12s, background .12s, box-shadow .12s;
  display: flex; gap: 10px; align-items: flex-start; font: inherit; color: inherit; width: 100%;
}
.tool-card:hover { border-color: var(--ink-faint); }
.tool-card.is-active {
  border-color: var(--seal); background: #fff;
  box-shadow: 0 0 0 3px rgba(192,57,43,.14);
}
.tool-card:focus-visible { outline: 3px solid rgba(34,58,82,.5); outline-offset: 2px; }
.tc-emoji { font-size: 22px; line-height: 1.2; flex: none; }
.tc-body { min-width: 0; }
.tc-name { display: block; font-weight: 700; font-size: 14.5px; margin: 0 0 3px; line-height: 1.35; }
.tc-note { display: block; font-size: 12px; color: var(--ink-faint); margin: 0; }
.badge-ref {
  display: inline-block; font-size: 10.5px; font-weight: 700; color: var(--seal-dk);
  background: #f7e4e0; border: 1px solid #e9c4bd; border-radius: 5px; padding: 0 5px; margin-left: 6px;
  vertical-align: middle;
}

/* ---------- 入力 ---------- */
.conditional { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--line-2); }
.field { margin-bottom: 16px; }
.field:last-child { margin-bottom: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label, .field-label {
  display: block; font-weight: 700; font-size: 13.5px; color: var(--ink-soft); margin-bottom: 7px;
}
input[type="text"], input[type="number"], select {
  width: 100%; padding: 9px 11px; font: inherit; font-size: 14.5px; color: var(--ink);
  background: #fff; border: 1.5px solid var(--line-2); border-radius: 8px;
}
input[type="text"]:focus, input[type="number"]:focus, select:focus {
  outline: none; border-color: var(--ink-navy); box-shadow: 0 0 0 3px rgba(34,58,82,.14);
}
.hint { margin: 6px 0 0; font-size: 12px; color: var(--ink-faint); }

input[type="range"] { width: 100%; accent-color: var(--seal); height: 26px; }
.slider-out {
  float: right; font-weight: 800; color: var(--seal-dk); font-size: 13.5px;
  background: #f7e4e0; border-radius: 6px; padding: 1px 8px;
}

/* 対象業務チェック */
.task-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px; }
.task-chip {
  display: flex; align-items: center; gap: 8px; padding: 9px 11px; cursor: pointer;
  border: 1.5px solid var(--line-2); border-radius: 8px; background: var(--paper); font-size: 13.5px;
}
.task-chip:hover { border-color: var(--ink-faint); }
.task-chip.is-on { border-color: var(--ink-navy); background: #eef4fa; }
.task-chip input { width: 16px; height: 16px; accent-color: var(--ink-navy); flex: none; }

/* 控えめ/標準トグル */
.preset-toggle { display: inline-flex; border: 1.5px solid var(--line-2); border-radius: 8px; overflow: hidden; margin-bottom: 4px; }
.preset-btn {
  font: inherit; font-size: 13.5px; font-weight: 700; padding: 7px 18px; cursor: pointer;
  background: #fff; color: var(--ink-soft); border: none; border-right: 1.5px solid var(--line-2);
}
.preset-btn:last-child { border-right: none; }
.preset-btn.is-active { background: var(--ink-navy); color: #fff; }

.minutes-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 8px; margin-top: 10px; }
.min-row { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.min-row label { margin: 0; font-weight: 600; flex: 1; color: var(--ink-soft); }
.min-row input { width: 74px; padding: 6px 8px; }
.min-row .unit { color: var(--ink-faint); font-size: 12.5px; }
.minutes-empty { font-size: 13px; color: var(--ink-faint); margin: 8px 0 0; }

/* ---------- Step3 サマリー ---------- */
.result-panel { background: linear-gradient(180deg,#fff, #fbfaf6); }
.summary-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 16px; margin-bottom: 20px;
}
.summary-eyebrow { font-size: 12px; font-weight: 800; color: var(--seal-dk); letter-spacing: .03em; margin-bottom: 12px; }
.summary-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.metric {
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 12px 10px; text-align: center;
}
.metric-effect { background: #edf6f0; border-color: #cfe6d8; }
.metric-label { display: block; font-size: 11.5px; color: var(--ink-faint); font-weight: 600; margin-bottom: 4px; }
.metric-value { display: block; font-size: clamp(18px, 4.4vw, 25px); font-weight: 800; color: var(--ink); font-variant-numeric: tabular-nums; }
.metric-effect .metric-value { color: var(--ok); }
.summary-line { font-size: 13.5px; color: var(--ink-soft); margin: 13px 0 12px; }

.compare-bars { display: grid; gap: 9px; margin-bottom: 14px; }
.cbar-row { display: flex; align-items: center; gap: 10px; }
.cbar-name { width: 34px; font-size: 12.5px; font-weight: 700; color: var(--ink-soft); flex: none; }
.cbar-track { flex: 1; height: 18px; background: var(--paper-2); border-radius: 9px; overflow: hidden; }
.cbar-fill { display: block; height: 100%; border-radius: 9px; transition: width .25s ease; min-width: 2px; }
.cbar-cost { background: linear-gradient(90deg,#c0392b,#d9584a); }
.cbar-effect { background: linear-gradient(90deg,#2f7d55,#43a06f); }

.assump-toggle {
  font: inherit; font-size: 13px; font-weight: 700; color: var(--ink-navy); background: none; border: none;
  cursor: pointer; padding: 8px 0 0; display: inline-flex; align-items: center; gap: 4px;
}
.assump-toggle .chev { transition: transform .15s; }
.assump-toggle[aria-expanded="true"] .chev { transform: rotate(180deg); }
.assump {
  margin-top: 12px; padding: 14px; background: var(--paper); border: 1px solid var(--line);
  border-radius: 10px; font-size: 13px; color: var(--ink-soft);
}
.assump h4 { margin: 0 0 6px; font-size: 13px; color: var(--ink); }
.assump ul { margin: 0 0 12px; padding-left: 18px; }
.assump li { margin-bottom: 3px; }
.assump table { width: 100%; border-collapse: collapse; margin-top: 6px; }
.assump th, .assump td { border: 1px solid var(--line-2); padding: 5px 8px; text-align: left; font-size: 12.5px; }
.assump th { background: var(--paper-2); font-weight: 700; }

/* ---------- 稟議書ドラフト (A4 用紙) ---------- */
.draft-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  flex-wrap: wrap; margin-bottom: 12px;
}
.draft-head h3 { margin: 0; font-size: 16px; font-weight: 800; }
.draft-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.act-btn {
  font: inherit; font-size: 13px; font-weight: 700; padding: 8px 12px; cursor: pointer;
  background: #fff; color: var(--ink-navy); border: 1.5px solid var(--ink-navy); border-radius: 8px;
  transition: background .12s, color .12s;
}
.act-btn:hover { background: var(--ink-navy); color: #fff; }
.act-btn.copied { background: var(--ok); border-color: var(--ok); color: #fff; }

.paper {
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(29,43,58,.05), 0 14px 40px rgba(29,43,58,.12);
  padding: clamp(20px, 4vw, 40px);
  max-width: 720px; margin: 0 auto;
  color: #21303e; line-height: 1.85;
  font-size: 14px;
}
.paper .doc-title {
  text-align: center; font-size: 21px; font-weight: 800; letter-spacing: .35em;
  margin: 0 0 6px; padding-bottom: 0;
}
.paper .doc-meta { text-align: right; font-size: 12px; color: var(--ink-faint); margin: 0 0 20px; }
.paper .doc-subject {
  text-align: center; font-size: 16px; font-weight: 700; margin: 0 auto 24px; max-width: 90%;
  padding-bottom: 10px; border-bottom: 2px solid #21303e;
}
.paper h4 {
  font-size: 14.5px; font-weight: 800; margin: 22px 0 8px; color: #21303e;
  border-left: 4px solid var(--seal); padding-left: 9px;
}
.paper h4:first-of-type { margin-top: 0; }
.paper p { margin: 0 0 10px; }
.paper .doc-table { width: 100%; border-collapse: collapse; margin: 4px 0 8px; }
.paper .doc-table th, .paper .doc-table td {
  border: 1px solid #c9d2da; padding: 7px 10px; font-size: 13.5px; text-align: left; vertical-align: top;
}
.paper .doc-table th { background: #f1f5f8; font-weight: 700; width: 34%; white-space: nowrap; }
.paper .doc-foot { font-size: 12px; color: var(--ink-faint); margin: 6px 0 0; }
.paper ol.doc-list, .paper ul.doc-list { margin: 4px 0 8px; padding-left: 22px; }
.paper ol.doc-list li, .paper ul.doc-list li { margin-bottom: 6px; }
.paper .risk-item { margin-bottom: 8px; }
.paper .risk-item b { font-weight: 700; }

/* ---------- SEO 本文 ---------- */
.about {
  max-width: 1080px; margin: 8px auto 0; padding: 24px 18px 8px; color: var(--ink-soft);
}
.about h2 { font-size: 20px; color: var(--ink); margin: 8px 0 12px; }
.about h3 { font-size: 16px; color: var(--ink); margin: 22px 0 8px; }
.about p { font-size: 14px; margin: 0 0 12px; }
.seo-list { padding-left: 22px; margin: 0 0 8px; }
.seo-list li { margin-bottom: 5px; font-size: 14px; }
.faq dt { font-weight: 700; color: var(--ink); margin-top: 12px; font-size: 14px; }
.faq dd { margin: 4px 0 0; font-size: 13.5px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 8px; }
.cta {
  display: inline-block; text-decoration: none; font-weight: 700; font-size: 14px;
  padding: 12px 18px; border-radius: 10px; background: var(--seal); color: #fff;
  border: 1.5px solid var(--seal);
}
.cta:hover { background: var(--seal-dk); border-color: var(--seal-dk); }
.cta-alt { background: #fff; color: var(--ink-navy); border-color: var(--ink-navy); }
.cta-alt:hover { background: var(--ink-navy); color: #fff; }

/* ---------- フッター ---------- */
footer {
  max-width: 1080px; margin: 28px auto 0; padding: 22px 18px 40px;
  border-top: 1px solid var(--line); font-size: 12.5px; color: var(--ink-faint); line-height: 1.9;
}
footer a { color: var(--ink-navy); }
.foot-privacy { color: var(--seal-dk); font-weight: 700; }

/* ---------- レスポンシブ (375px 崩れなし) ---------- */
@media (max-width: 560px) {
  body { font-size: 14.5px; }
  .layout { padding: 16px 12px 4px; gap: 14px; }
  .panel { padding: 16px 13px; }
  .field-row { grid-template-columns: 1fr; gap: 12px; }
  .summary-metrics { grid-template-columns: 1fr; }
  .tool-grid { grid-template-columns: 1fr; }
  .task-grid { grid-template-columns: 1fr; }
  .minutes-list { grid-template-columns: 1fr; }
  .metric-value { font-size: 22px; }
  .paper { padding: 18px 15px; }
  .paper .doc-title { letter-spacing: .22em; font-size: 19px; }
  .paper .doc-table th { width: 40%; white-space: normal; }
  .draft-actions { width: 100%; }
  .act-btn { flex: 1; text-align: center; }
}