/* 共通スタイル */
:root {
  --bg: #ffffff;
  --panel: #f6f8fa;
  --text: #333333;
  --text-sub: #707a85;
  --accent: #1e66b8;
  --accent-hover: #17538f;
  --accent-weak: #eaf1f9;
  --border: #d9dfe6;
  --marker: #ffe873;
  --cta: #f57c00;
  --cta-hover: #e06f00;
  --radius: 6px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "BIZ UDPGothic", Meiryo, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.9;
  font-size: 16px;
}
img { max-width: 100%; height: auto; }
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }

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

/* header */
.site-header {
  background: var(--bg);
  border-bottom: 3px solid var(--accent);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 10px;
  padding-bottom: 10px;
  flex-wrap: wrap;
}
.site-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.site-logo span { color: var(--accent); }
.site-nav { display: flex; gap: 14px; flex-wrap: wrap; }
.site-nav a { text-decoration: none; font-size: 0.9rem; color: var(--text-sub); font-weight: 600; }
.site-nav a:hover { color: var(--accent); }

/* page head */
.page-head { padding: 24px 0 4px; }
.page-head h1 { margin: 0 0 6px; font-size: 1.55rem; line-height: 1.45; }
.page-head .lead { color: var(--text-sub); margin: 0; font-size: 0.95rem; }

/* meta line (更新日・執筆者) */
.meta-line {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-sub);
  margin: 8px 0 0;
}
.meta-line b { color: var(--text); font-weight: 600; }

/* PR表記 */
.pr-note { font-size: 0.74rem; color: #9aa2ab; text-align: right; margin: 6px 0 0; }

/* 要点ボックス */
.point-box {
  border: 2px solid var(--accent);
  border-radius: 8px;
  margin: 20px 0;
  background: var(--bg);
}
.point-box-title {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 7px 16px;
}
.point-box ul { margin: 10px 0; padding: 0 16px 4px 36px; font-size: 0.93rem; }
.point-box li { margin: 4px 0; }

/* 目次 */
.toc {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 20px 0;
  font-size: 0.92rem;
}
.toc-title { font-weight: 700; margin: 0 0 6px; font-size: 0.95rem; }
.toc ol { margin: 0; padding-left: 24px; }
.toc li { margin: 3px 0; }
.toc a { text-decoration: none; }
.toc a:hover { text-decoration: underline; }

/* マーカー強調 */
.mk { background: linear-gradient(transparent 62%, var(--marker) 62%); font-weight: 700; }

/* cards (tool list) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
  padding: 16px 0;
}
.card {
  position: relative;
  display: block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 30px 14px 16px;
  text-decoration: none;
  color: var(--text);
}
.card::after {
  content: "›";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 700;
}
.card:hover { border-color: var(--accent); background: var(--accent-weak); }
.card .card-icon { display: none; }
.card h2, .card h3 { margin: 0 0 4px; font-size: 1rem; color: var(--accent); }
.card:hover h2, .card:hover h3 { text-decoration: underline; }
.card p { margin: 0; font-size: 0.85rem; color: var(--text-sub); line-height: 1.6; }

/* tool area */
.tool-panel {
  background: var(--bg);
  border: 2px solid var(--accent);
  border-radius: 8px;
  padding: 20px;
  margin: 20px 0;
}
.tool-panel h2 {
  margin: -20px -20px 16px;
  padding: 8px 20px;
  background: var(--accent);
  color: #fff;
  font-size: 1.1rem;
  border-radius: 5px 5px 0 0;
}

label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 4px; }
input[type="text"], input[type="number"], input[type="date"], input[type="email"],
input[type="tel"], select, textarea {
  width: 100%;
  padding: 10px 12px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid #b8c0c9;
  border-radius: 4px;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.field { margin-bottom: 14px; }
.field-row { display: flex; gap: 12px; flex-wrap: wrap; }
.field-row .field { flex: 1 1 180px; }

.btn {
  display: inline-block;
  padding: 11px 26px;
  font-size: 1.02rem;
  font-weight: 700;
  font-family: inherit;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--accent-hover); color: #fff; }
.btn-secondary { background: #fff; color: var(--text-sub); border: 1px solid #b8c0c9; }
.btn-secondary:hover { background: var(--panel); color: var(--text); }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }

.result-box {
  background: var(--accent-weak);
  border: 2px solid var(--accent);
  border-radius: 6px;
  padding: 14px 18px;
  margin-top: 16px;
  font-size: 1.05rem;
  word-break: break-word;
}
.result-box strong { color: var(--accent-hover); font-size: 1.15em; }
.note { font-size: 0.84rem; color: var(--text-sub); }

/* CTAボックス */
.cta-box {
  background: #fff8ee;
  border: 1px solid #f2ca8f;
  border-radius: 8px;
  padding: 20px 18px;
  margin: 26px 0;
  text-align: center;
}
.cta-box-title { font-weight: 700; font-size: 1.05rem; margin: 0 0 4px; }
.cta-box p { margin: 0 0 12px; font-size: 0.9rem; color: var(--text-sub); }
.cta-btn {
  display: inline-block;
  padding: 14px 40px;
  font-size: 1.08rem;
  font-weight: 800;
  color: #fff !important;
  background: linear-gradient(180deg, #ff9d2e, var(--cta));
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 3px 0 #c96400, 0 4px 10px rgba(245, 124, 0, 0.35);
}
.cta-btn:hover { background: linear-gradient(180deg, #ff9420, var(--cta-hover)); }
.cta-btn::after { content: " ▶"; font-size: 0.8em; }
.cta-note { display: block; font-size: 0.78rem; color: var(--text-sub); margin-top: 8px; }

/* article */
.article { padding-bottom: 40px; }
.article h2 {
  font-size: 1.25rem;
  margin: 44px 0 14px;
  padding: 10px 14px;
  background: var(--panel);
  border-left: 6px solid var(--accent);
  line-height: 1.5;
}
.article h3 {
  font-size: 1.05rem;
  margin: 28px 0 8px;
  padding: 0 0 6px 2px;
  border-bottom: 2px solid var(--accent);
}
.article table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.92rem;
  background: var(--bg);
}
.article th, .article td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
}
.article th { background: var(--accent); color: #fff; font-weight: 700; }
.article tr:nth-child(even) td { background: var(--panel); }
.table-wrap { overflow-x: auto; }

details.faq {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin: 8px 0;
  padding: 0 16px;
}
details.faq summary {
  cursor: pointer;
  font-weight: 700;
  padding: 12px 0;
}
details.faq summary::before { content: "Q."; color: var(--accent); font-weight: 800; margin-right: 8px; }
details.faq p { margin-top: 0; }

/* 関連ツール・関連記事 */
.related { margin: 36px 0 12px; }
.related-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 10px;
  padding-left: 10px;
  border-left: 5px solid var(--accent);
}

/* breadcrumb */
.breadcrumb { font-size: 0.8rem; color: var(--text-sub); padding-top: 12px; }
.breadcrumb a { color: var(--text-sub); }
.breadcrumb a:hover { color: var(--accent); }

/* footer */
.site-footer {
  margin-top: 56px;
  padding: 26px 0;
  background: #2f3b47;
  font-size: 0.84rem;
  color: #c3cdd8;
}
.site-footer .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.site-footer a { color: #c3cdd8; margin-right: 14px; }
.site-footer a:hover { color: #fff; }

@media print {
  .site-header, .site-footer, .breadcrumb, .article, .btn-row, .no-print, .cta-box, .toc, .point-box { display: none !important; }
  body { background: #fff; color: #000; }
}

/* 広告スロット・PR表記 */
.pr-banner {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  color: var(--text-sub);
  font-size: 0.72rem;
  text-align: center;
  padding: 3px 8px;
  letter-spacing: 0.02em;
}
.ad-slot {
  margin: 20px 0;
  text-align: center;
  overflow-x: auto;
}
.ad-slot-label {
  display: block;
  font-size: 0.68rem;
  color: #9aa2ab;
  margin-bottom: 4px;
  letter-spacing: 0.04em;
}
.ad-slot img { max-width: 100%; height: auto; }
@media print { .ad-slot, .pr-banner { display: none !important; } }

/* 案件カード(Sprint2) */
.offer-slot { margin: 24px 0; }
.offer-card {
  background: #fffdf8;
  border: 1px solid #e8d9b8;
  border-radius: 8px;
  padding: 18px 18px 16px;
  margin: 16px 0;
  font-size: 0.95rem;
}
.offer-card-label {
  display: inline-block;
  font-size: 0.68rem;
  color: #9a8a66;
  border: 1px solid #d8c69a;
  border-radius: 3px;
  padding: 0 6px;
  margin-bottom: 6px;
  letter-spacing: 0.06em;
}
.offer-card-title { margin: 0 0 6px; font-weight: 700; font-size: 1.05rem; line-height: 1.5; }
.offer-card-summary { margin: 0 0 10px; color: var(--text); }
.offer-card-h { margin: 0 0 2px; font-size: 0.82rem; font-weight: 700; color: var(--text-sub); }
.offer-card-fit ul, .offer-card-warning ul { margin: 0 0 10px; padding-left: 20px; font-size: 0.88rem; }
.offer-card-fit li, .offer-card-warning li { margin: 2px 0; }
.offer-card-warning { background: #fdf3f0; border-radius: 6px; padding: 8px 12px 6px; margin-bottom: 10px; }
.offer-card-warning .offer-card-h { color: #a04b35; }
.offer-card-meta { margin: 0 0 12px; font-size: 0.8rem; color: var(--text-sub); }
.offer-card .offer-card-cta { display: block; text-align: center; }
.offer-card .cta-note { text-align: center; }
@media print { .offer-slot, .offer-card { display: none !important; } }

/* ===========================================================================
   Sprint 4: 共通ナビゲーション・パンくず・回遊コンポーネント
   =========================================================================== */

/* ---------- グローバルヘッダー ---------- */
.site-header .container { position: relative; }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 44px;
  height: 44px;
  padding: 10px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span { display: block; height: 2px; background: var(--text); border-radius: 1px; }
.site-nav a.is-current { color: var(--accent); }
.nav-more { position: relative; display: inline-block; }
.nav-more-btn {
  background: none;
  border: none;
  font-size: 0.9rem;
  color: var(--text-sub);
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}
.nav-more-btn::after { content: " ▾"; font-size: 0.7em; }
.nav-more-btn:hover { color: var(--accent); }
.nav-more-panel {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 0;
  min-width: 160px;
  z-index: 50;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.nav-more.is-open .nav-more-panel,
.nav-more:focus-within .nav-more-panel { display: block; }
.nav-more-panel a { display: block; padding: 8px 16px; }

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 4px 0 8px;
    z-index: 100;
    box-shadow: 0 8px 16px rgba(0,0,0,0.08);
  }
  .site-nav.is-open { display: flex; }
  .site-nav > a { display: block; padding: 12px 20px; font-size: 1rem; }
  .nav-more { display: block; }
  .nav-more-btn { display: none; }
  .nav-more-panel {
    display: block;
    position: static;
    border: none;
    box-shadow: none;
    padding: 0;
    border-top: 1px solid var(--border);
    margin-top: 4px;
    padding-top: 4px;
  }
  .nav-more-panel a { padding: 12px 20px; font-size: 1rem; }
  body.nav-locked { overflow: hidden; }
}

/* ---------- パンくず ---------- */
.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
}
.breadcrumb li { flex: none; }
.breadcrumb li + li::before { content: "›"; margin: 0 6px; color: var(--text-sub); }

/* ---------- フッター ---------- */
.site-footer .container.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px 24px;
  align-items: start;
}
.footer-col { display: flex; flex-direction: column; gap: 6px; }
.footer-col a { margin-right: 0; font-size: 0.85rem; }
.footer-title { font-size: 0.78rem; font-weight: 700; color: #8d99a6; letter-spacing: 0.05em; margin-bottom: 2px; }
.footer-copy { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,0.12); padding-top: 12px; margin-top: 4px; font-size: 0.8rem; color: #c3cdd8; }

/* ---------- 次に確認すること ---------- */
.next-actions { margin: 36px 0 12px; }
.next-actions h2 { font-size: 1.1rem; }
.next-actions__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
.next-action-card {
  display: block;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  text-decoration: none;
  background: var(--panel);
}
.next-action-card:hover { border-color: var(--accent); background: var(--accent-weak); }
.next-action-card strong { display: block; color: var(--accent); font-size: 0.95rem; margin-bottom: 4px; }
.next-action-card span { display: block; color: var(--text-sub); font-size: 0.83rem; line-height: 1.5; }

/* ---------- 関連ツール(記事末尾) ---------- */
.related-tools { margin: 36px 0 12px; border-top: 1px solid var(--border); padding-top: 20px; }
.related-tools h2 { font-size: 1.05rem; }
.related-tools ul { list-style: none; margin: 0 0 12px; padding: 0; }
.related-tools li { margin: 8px 0; padding-left: 1.2em; position: relative; font-size: 0.92rem; }
.related-tools li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }
.related-tools__back { font-size: 0.85rem; }

@media print {
  .nav-toggle, .next-actions, .related-tools { display: none !important; }
}

/* ---------- トップページ: 困りごと別入口 ---------- */
.entry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
  margin: 16px 0 8px;
}
.entry-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 16px 18px;
}
.entry-card h3 { margin: 0 0 8px; font-size: 1rem; }
.entry-card ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 14px; }
.entry-card li { font-size: 0.88rem; }
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 0; }
.badge-row span {
  font-size: 0.78rem;
  color: var(--text-sub);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px;
  background: var(--bg);
}

/* ===== Sprint 7: 信頼情報コンポーネント ===== */
.operator-info{margin:12px 0}
.operator-info div{display:flex;gap:12px;padding:6px 0;border-bottom:1px solid var(--line,#e3e8ef)}
.operator-info dt{flex:0 0 110px;font-weight:600;color:#475569}
.operator-info dd{margin:0}
.content-trust{margin:40px 0 8px;padding:16px 18px;background:#f6f8fa;border:1px solid #e3e8ef;border-radius:10px;font-size:.88rem;color:#475569}
.content-trust h2{font-size:1rem;margin:0 0 10px;color:#334155;border:none;padding:0}
.content-trust dl{margin:0 0 10px}
.content-trust dl div{display:flex;gap:10px;padding:3px 0}
.content-trust dt{flex:0 0 7.5em;font-weight:600}
.content-trust dd{margin:0}
.content-trust details{margin:10px 0;border-top:1px dashed #d4dbe4;padding-top:10px}
.content-trust summary{cursor:pointer;font-weight:600;color:#1e66b8}
.content-trust details ul{margin:8px 0 0;padding-left:1.3em}
.content-trust details li{margin:4px 0}
.content-trust .trust-report{display:inline-block;margin-top:8px;font-size:.85rem;color:#64748b;text-decoration:underline}
.content-trust .trust-note{margin:8px 0 0;font-size:.84rem;color:#64748b}
@media (max-width:560px){.content-trust dl div{flex-direction:column;gap:2px}.content-trust dt{flex:none}}

/* ===== Sprint 9: conversion準備コンポーネント ===== */
.conversion-prep{margin:28px 0}
.method-compare{width:100%;border-collapse:collapse;font-size:.92rem;margin:12px 0}
.method-compare th,.method-compare td{border:1px solid #e3e8ef;padding:8px 10px;text-align:left;vertical-align:top}
.method-compare th{background:#f6f8fa;color:var(--text);white-space:nowrap}
.table-wrap{overflow-x:auto}
.fit-cases{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0}
.fit-cases>div{border:1px solid #e3e8ef;border-radius:10px;padding:12px 14px}
.fit-cases h3,.fit-cases p.h{margin:0 0 8px;font-size:.95rem}
.fit-yes h3{color:#166534}.fit-no h3{color:#9a3412}
.fit-cases ul{margin:0;padding-left:1.2em}
.fit-cases li{margin:4px 0}
.pre-check{background:#f6f8fa;border:1px solid #e3e8ef;border-radius:10px;padding:14px 16px;margin:14px 0}
.pre-check h3{margin:0 0 8px;font-size:.95rem}
.pre-check ul{margin:0;padding-left:1.2em;columns:2;column-gap:24px}
.pre-check li{margin:4px 0;break-inside:avoid}
.conv-pre{margin:14px 0 6px;color:#475569}
.conv-post{margin:10px 0 0;font-size:.9rem;color:#64748b}
@media (max-width:600px){.fit-cases{grid-template-columns:1fr}.pre-check ul{columns:1}}
ins.adsbygoogle[data-ad-status="unfilled"]{display:none!important}