/* ============================================================
   AI画像生成サービス 利用規約比較ダイジェスト — shared stylesheet
   Design concept: "policy dossier" — a legal-filing / redline
   aesthetic. Cool paper background, ruled lines, rubber-stamp
   badges, monospace clause labels, serif display headlines.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,600;9..144,700;9..144,900&family=IBM+Plex+Sans+JP:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

:root {
  /* Paper & ink */
  --paper: #E9EDF2;
  --paper-deep: #DCE2E9;
  --paper-line: #B9C4D0;
  --ink: #141B2E;
  --ink-soft: #4A5568;
  --ink-faint: #7A8494;
  --card-bg: #F5F7FA;
  --white: #FDFEFF;

  /* Company accents (drawn from each brand's own identity) */
  --claude: #DA7756;
  --claude-bg: #FBEEE7;
  --openai: #10A37F;
  --openai-bg: #E6F5F0;
  --adobe: #FA0F00;
  --adobe-bg: #FDE9E7;
  --google: #4285F4;
  --google-bg: #E8F0FE;
  --midjourney: #6B46C1;
  --midjourney-bg: #EFE9FA;
  --microsoft: #0078D4;
  --microsoft-bg: #E5F1FB;
  --xai: #1A1A1A;
  --xai-bg: #ECECEC;
  --canva: #7D2AE8;
  --canva-bg: #F1E7FC;
  --meta: #0866FF;
  --meta-bg: #E5EEFF;
  --aws: #CC7A00;
  --aws-bg: #FBEEDA;
  --stability: #0F6E8C;
  --stability-bg: #E3EFF3;
  --bfl: #3B6E4E;
  --bfl-bg: #E7EFE9;
  --tencent: #0052D9;
  --tencent-bg: #E3EAFB;

  /* Stamp colors */
  --stamp-good: #2E7D46;
  --stamp-warn: #B7791F;
  --stamp-bad: #C0392B;
  --stamp-neutral: #4A5568;

  /* Type */
  --font-display: 'Fraunces', serif;
  --font-body: 'IBM Plex Sans JP', 'IBM Plex Sans', sans-serif;
  --font-mono: 'Space Mono', monospace;

  --radius: 3px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  background-image:
    repeating-linear-gradient(180deg, transparent, transparent 38px, rgba(20,27,46,0.035) 39px);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Top bar ---------- */
.topbar {
  border-bottom: 1.5px solid var(--ink);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}
.topbar .brand {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--ink);
  padding: 5px 10px;
  border-radius: var(--radius);
  background: var(--white);
}
.topbar .back {
  font-family: var(--font-mono);
  font-size: 12.5px;
  text-decoration: none;
  color: var(--ink-soft);
  white-space: nowrap;
}
.topbar .back:hover { color: var(--ink); }
.topbar .navlinks {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  white-space: nowrap;
}
.topbar .navlinks a { text-decoration: none; color: var(--ink-soft); }
.topbar .navlinks a:hover { color: var(--ink); }
.topbar .navlinks .sep { color: var(--paper-line); }
.topbar .navlinks .current { color: var(--ink); border-bottom: 1.5px solid var(--ink); padding-bottom: 1px; }

/* ---------- Eyebrow / labels ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--ink-soft);
  display: inline-block;
}

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 40px;
  border-bottom: 1.5px solid var(--ink);
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.15;
  margin: 18px 0 20px;
  letter-spacing: -0.01em;
}
.hero .lede {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 0 8px;
}
.hero .meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-faint);
  margin-top: 18px;
}

/* ---------- Company tab strip ---------- */
.tabstrip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--ink);
  border: 1.5px solid var(--ink);
  margin-top: 32px;
}
.tabstrip a {
  background: var(--white);
  text-decoration: none;
  color: var(--ink);
  padding: 16px 10px 14px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  position: relative;
  transition: background 0.15s ease;
}
.tabstrip a .bar {
  display: block;
  height: 4px;
  margin: -16px -10px 10px;
}
.tabstrip a:hover { background: var(--card-bg); }
.tabstrip a b { display: block; font-family: var(--font-display); font-size: 15px; font-weight: 700; margin-top: 2px; }

/* ---------- Section headers ---------- */
section.block { padding: 56px 0; border-bottom: 1px solid var(--paper-line); }
section.block:last-of-type { border-bottom: none; }
.block h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 700;
  margin: 10px 0 6px;
}
.block .intro { color: var(--ink-soft); max-width: 680px; margin-bottom: 28px; }

/* ---------- Comparison table ---------- */
.table-scroll { overflow-x: auto; border: 1.5px solid var(--ink); background: var(--white); }
table.compare {
  border-collapse: collapse;
  width: 100%;
  min-width: 880px;
  font-size: 14px;
}
table.compare th, table.compare td {
  border: 1px solid var(--paper-line);
  padding: 14px 14px;
  text-align: left;
  vertical-align: top;
}
table.compare thead th {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  position: sticky;
  top: 0;
}
table.compare thead th.company {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}
table.compare tbody th.company {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  background: var(--card-bg);
  white-space: nowrap;
  width: auto;
  min-width: 130px;
}
table.compare tbody th {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-soft);
  background: var(--card-bg);
  white-space: nowrap;
  width: 168px;
}
table.compare td { color: var(--ink); }
table.compare tbody tr:nth-child(even) td,
table.compare tbody tr:nth-child(even) th { background: rgba(20,27,46,0.025); }

td.c-claude { border-top: 3px solid var(--claude); }
td.c-openai { border-top: 3px solid var(--openai); }
td.c-adobe { border-top: 3px solid var(--adobe); }
td.c-google { border-top: 3px solid var(--google); }
td.c-midjourney { border-top: 3px solid var(--midjourney); }
td.c-microsoft { border-top: 3px solid var(--microsoft); }
td.c-xai { border-top: 3px solid var(--xai); }
td.c-canva { border-top: 3px solid var(--canva); }
td.c-meta { border-top: 3px solid var(--meta); }
td.c-aws { border-top: 3px solid var(--aws); }
td.c-stability { border-top: 3px solid var(--stability); }
td.c-bfl { border-top: 3px solid var(--bfl); }
td.c-tencent { border-top: 3px solid var(--tencent); }
th.c-claude { border-left: 3px solid var(--claude); }
th.c-openai { border-left: 3px solid var(--openai); }
th.c-adobe { border-left: 3px solid var(--adobe); }
th.c-google { border-left: 3px solid var(--google); }
th.c-midjourney { border-left: 3px solid var(--midjourney); }
th.c-microsoft { border-left: 3px solid var(--microsoft); }
th.c-xai { border-left: 3px solid var(--xai); }
th.c-canva { border-left: 3px solid var(--canva); }
th.c-meta { border-left: 3px solid var(--meta); }
th.c-aws { border-left: 3px solid var(--aws); }

/* ---------- Stamp badges ---------- */
.stamp {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1.5px dashed currentColor;
  border-radius: 999px;
  transform: rotate(-1deg);
  white-space: nowrap;
  cursor: help;
}
.stamp[data-tip] { position: relative; }
.stamp.good { color: var(--stamp-good); }
.stamp.warn { color: var(--stamp-warn); }
.stamp.bad { color: var(--stamp-bad); }
.stamp.neutral { color: var(--stamp-neutral); }

/* ---------- Floating tooltip (JS-positioned, escapes overflow containers) ---------- */
.tooltip {
  position: fixed;
  z-index: 100;
  max-width: 280px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.55;
  padding: 10px 12px;
  border-radius: var(--radius);
  box-shadow: 0 8px 22px rgba(20,27,46,0.28);
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity 0.12s ease, transform 0.12s ease;
}
.tooltip::after {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
  background: var(--ink);
  transform: rotate(45deg);
}
.tooltip.is-visible { opacity: 1; transform: translateY(0); }
.tooltip.pos-above::after { bottom: -4px; left: var(--arrow-x, 50%); margin-left: -4.5px; }
.tooltip.pos-below::after { top: -4px; left: var(--arrow-x, 50%); margin-left: -4.5px; }

/* ---------- Legend ---------- */
.legend { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 18px; font-size: 12.5px; color: var(--ink-soft); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- Company cards grid ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.card {
  background: var(--card-bg);
  border: 1px solid var(--paper-line);
  border-top: 4px solid var(--accent, var(--ink));
  padding: 22px 22px 20px;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  min-height: 200px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(20,27,46,0.10); }
.card .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent, var(--ink-soft));
  margin-bottom: 10px;
}
.card h3 { font-family: var(--font-display); font-size: 21px; margin: 0 0 10px; }
.card p { color: var(--ink-soft); font-size: 14px; margin: 0; flex-grow: 1; }
.card .go { margin-top: 16px; font-family: var(--font-mono); font-size: 12.5px; color: var(--accent, var(--ink)); }

/* ---------- Detail page company hero ---------- */
.co-hero {
  padding: 48px 0 36px;
  border-bottom: 4px solid var(--accent, var(--ink));
}
.co-hero .tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent, var(--ink-soft));
}
.co-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 46px);
  margin: 14px 0 10px;
  font-weight: 700;
}
.co-hero .lede { color: var(--ink-soft); max-width: 660px; }
.co-hero .stampsrow { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- Detail content ---------- */
.detail h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin: 44px 0 4px;
  padding-top: 20px;
  border-top: 1px solid var(--paper-line);
}
.detail h2:first-of-type { border-top: none; margin-top: 8px; padding-top: 0; }
.detail h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent, var(--ink-soft));
  margin: 26px 0 8px;
}
.detail p { margin: 0 0 14px; color: var(--ink); }
.detail p.note { color: var(--ink-soft); font-size: 14.5px; }
.detail ul { margin: 0 0 16px; padding-left: 20px; }
.detail li { margin-bottom: 8px; }

.callout {
  background: var(--card-bg);
  border-left: 4px solid var(--accent, var(--ink));
  padding: 16px 18px;
  margin: 18px 0 22px;
  font-size: 14.5px;
}
.callout .k { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent, var(--ink-soft)); display: block; margin-bottom: 6px; }

/* ---------- Sources ---------- */
.sources { margin-top: 12px; }
.sources li { font-size: 14px; }
.sources a { color: var(--ink-soft); text-decoration: underline; text-decoration-color: var(--paper-line); }
.sources a:hover { color: var(--accent, var(--ink)); }

/* ---------- Prev/Next nav ---------- */
.pagenav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 40px 0 0;
  margin-top: 20px;
  border-top: 1.5px solid var(--ink);
}
.pagenav a {
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-soft);
  max-width: 46%;
}
.pagenav a:hover { color: var(--ink); }
.pagenav a b { display: block; font-family: var(--font-display); font-size: 17px; color: var(--ink); font-weight: 700; margin-top: 4px; }
.pagenav a.next { text-align: right; margin-left: auto; }

/* ---------- Footer ---------- */
footer {
  border-top: 1.5px solid var(--ink);
  padding: 30px 0 60px;
  margin-top: 20px;
}
footer .disclaimer {
  font-size: 13px;
  color: var(--ink-faint);
  max-width: 720px;
  line-height: 1.7;
}
footer .fmeta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-faint);
  margin-top: 14px;
}

/* ---------- Glossary page ---------- */
table.compare td .footnote {
  display: block;
  font-size: 11px;
  color: var(--ink-faint);
  margin-top: 4px;
  font-style: italic;
}
table.compare td .none {
  color: var(--stamp-bad);
  font-family: var(--font-mono);
  font-size: 12.5px;
}
h3.glossary-cat {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  margin: 42px 0 4px;
  padding-bottom: 10px;
  border-bottom: 1.5px solid var(--ink);
}
h3.glossary-cat:first-of-type { margin-top: 12px; }
dl.glossary { margin: 0 0 10px; }
dl.glossary dt {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14.5px;
  color: var(--ink);
  margin-top: 22px;
  padding: 3px 0;
  border-bottom: 1px dashed var(--paper-line);
}
dl.glossary dd {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.75;
}

/* ---------- Lawsuit case cards ---------- */
.case-card {
  background: var(--white);
  border: 1px solid var(--paper-line);
  border-left: 4px solid var(--ink);
  padding: 20px 22px;
  margin-bottom: 18px;
}
.case-card h3 { font-family: var(--font-display); font-size: 19px; margin: 0 0 6px; }
.case-card .meta { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-faint); margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.04em; }
.case-card .status {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 3px 9px;
  border-radius: 999px;
  margin-left: 8px;
  text-transform: uppercase;
}
.case-card .status.ongoing { background: #FDF3D6; color: #8A6D00; }
.case-card .status.decided { background: #E3F0E6; color: var(--stamp-good); }
.case-card .status.settled { background: #E6ECF5; color: #2A4E8C; }

/* ---------- Local-AI hero callout ---------- */
.local-hero-callout {
  background: var(--card-bg);
  border: 1.5px solid var(--ink);
  padding: 22px 24px;
  margin: 26px 0 8px;
}
.local-hero-callout .k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: block;
  margin-bottom: 10px;
}
.local-hero-callout ul { margin: 10px 0 0; padding-left: 20px; }
.local-hero-callout li { margin-bottom: 6px; font-size: 14.5px; }

/* ---------- Watermark badges ---------- */
.wm-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  margin: 2px 4px 2px 0;
}
.wm-badge.yes { background: #E3F0E6; color: var(--stamp-good); }
.wm-badge.no { background: #FBE7E5; color: var(--stamp-bad); }
.wm-badge.unclear { background: #FDF3D6; color: #8A6D00; }

/* ---------- Sources block (used on every detail page) ---------- */
.sources-block {
  background: var(--card-bg);
  border: 1px solid var(--paper-line);
  padding: 18px 20px;
  margin-top: 10px;
}
.sources-block .sources { margin: 6px 0 0; padding-left: 20px; }

/* ---------- Nav card row (index page top-level nav to sibling report pages) ---------- */
.nav-report-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin: 20px 0 10px;
}
.nav-report-card {
  display: block;
  background: var(--ink);
  color: var(--paper);
  padding: 18px 20px;
  text-decoration: none;
  border-left: 4px solid var(--accent, var(--claude));
}
.nav-report-card:hover { background: #0A1120; }
.nav-report-card .tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: #AEB8C8; display: block; margin-bottom: 6px; }
.nav-report-card h3 { font-family: var(--font-display); font-size: 19px; margin: 0 0 6px; color: #fff; }
.nav-report-card p { font-size: 13px; color: #CBD3DF; margin: 0; }

@media (max-width: 720px) {
  .tabstrip { grid-template-columns: repeat(2, 1fr); }
  table.compare tbody th { width: 120px; }
  .wrap { padding: 0 18px; }
}