/* n0d4 TSM Handbook — index(ハブ)共通CSS */

/* ============================================================
   VARIABLES
   ============================================================ */
:root {
  /* ===== Google Material風シンプルテーマ ===== */
  --n0d4-bg: #ffffff;
  --n0d4-surface: #ffffff;
  --n0d4-surface-2: #f8f9fa;         /* Material surface variant */
  --n0d4-surface-hover: #f1f3f4;
  --n0d4-border: #dadce0;            /* Google標準のソフト境界線 */
  --n0d4-border-strong: #bdc1c6;
  --n0d4-text: #202124;             /* Google検索の標準テキスト */
  --n0d4-muted: #5f6368;            /* Googleのセカンダリテキスト */
  --n0d4-faint: #80868b;            /* 三期テキスト */
  /* モノトーン階調（3軸の色分けを明度差で表現） */
  --mono-hi: #1a73e8;               /* アクセント青 */
  --mono-mid: #5f6368;
  --mono-low: #9aa0a6;
  --mono-dim: rgba(26,115,232,.06);
  --mono-dim-2: rgba(26,115,232,.09);
  /* アクセント（Google Material ブランドブルー） */
  --n0d4-accent: #1a73e8;           /* Google Blue */
  --n0d4-accent-strong: #185abc;
  --n0d4-accent-dim: rgba(26,115,232,.08);
  --n0d4-link: #1a73e8;
  --n0d4-link-dim: rgba(26,115,232,.08);
  --n0d4-code-bg: #f1f3f4;
  --n0d4-table-stripe: #fbfbfc;
  --n0d4-shadow: 0 1px 2px rgba(60,64,67,.08);           /* Material elev 1 */
  --n0d4-shadow-lg: 0 2px 6px rgba(60,64,67,.12), 0 1px 2px rgba(60,64,67,.08); /* elev 2 */
  /* 機能色（Google Material palette） */
  --n0d4-warn: #d93025;             /* Google Red */
  --n0d4-warn-dim: rgba(217,48,37,.08);
  --n0d4-ok: #188038;               /* Google Green */
  --n0d4-ok-dim: rgba(24,128,56,.08);
  --sidebar-width: 280px;
  --header-height: 56px;
  --card-radius: 6px;               /* Material標準の控えめな角丸 */
  --font-sans: "Roboto","Noto Sans JP",-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,sans-serif;
}

/* ============================================================
   RESET / BASE
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{
  font-family:var(--font-sans);
  background:var(--n0d4-bg);
  color:var(--n0d4-text);line-height:1.75;font-size:16px;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  letter-spacing:.01em
}
/* Material風の本文幅（読みやすさ） */
.content,.main{max-width:820px}

/* ============================================================
   HEADER
   ============================================================ */
.header{
  position:fixed;top:0;left:0;right:0;height:var(--header-height);
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--n0d4-border);
  box-shadow:var(--n0d4-shadow);
  backdrop-filter:blur(8px);
  display:flex;align-items:center;padding:0 24px;z-index:100;gap:12px
}
.header-logo{
  font-weight:900;font-size:15px;letter-spacing:.12em;
  color:var(--n0d4-accent);text-decoration:none;white-space:nowrap
}
.header-logo:hover{color:var(--n0d4-text)}
.header-title{font-size:13px;color:var(--n0d4-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* ヘッダー3軸タブナビ（Next.js/Supabase風） */
.header-tabs{
  display:flex;gap:2px;margin-left:16px;align-items:center;flex:1;min-width:0;
}
.header-tab{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;
  font-size:12px;font-weight:700;color:var(--n0d4-muted);text-decoration:none;
  border:1px solid transparent;border-radius:8px;letter-spacing:.03em;white-space:nowrap;
  transition:background .15s,color .15s
}
.header-tab:hover{color:var(--n0d4-accent);background:var(--n0d4-accent-dim);border-color:transparent}
.header-tab .tab-num{font-size:10px;font-weight:800;opacity:.7}
.header-tab.is-current{color:var(--n0d4-accent);border-color:transparent;background:var(--n0d4-accent-dim);}
.menu-toggle{display:none;background:0 0;border:1px solid var(--n0d4-border);color:var(--n0d4-text);font-size:22px;cursor:pointer;padding:4px 12px;border-radius:8px;line-height:1}
.menu-toggle:hover{background:var(--n0d4-surface-hover)}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar{
  position:fixed;top:var(--header-height);left:0;width:var(--sidebar-width);bottom:0;
  background:var(--n0d4-surface);border-right:1px solid var(--n0d4-border);
  overflow-y:auto;padding:16px 0;z-index:99;
  scrollbar-width:thin;scrollbar-color:var(--n0d4-border) transparent
}
/* Sidebar backdrop overlay */
.sidebar-backdrop{
  position:fixed;top:0;left:0;right:0;bottom:0;z-index:98;
  background:rgba(0,0,0,.5);
  opacity:0;pointer-events:none
}
.sidebar.open ~ .sidebar-backdrop,
.sidebar-backdrop.open{opacity:1;pointer-events:auto}
/* Sidebar close button */
.sidebar-close{
  display:none;position:absolute;top:8px;right:10px;z-index:1;
  background:0 0;border:1px solid var(--n0d4-border);color:var(--n0d4-muted);
  font-size:20px;cursor:pointer;padding:4px 10px;border-radius:var(--card-radius);line-height:1
}
.sidebar-section-title{cursor:pointer;user-select:none}
.sidebar-section.collapsed>.sidebar-link,
.sidebar-section.collapsed>.sidebar-link-sub{display:none}
.sidebar-section.collapsed>.sidebar-section-title::after{
  content:' ▶';font-size:9px;margin-left:4px;opacity:.5
}
.sidebar-section:not(.collapsed)>.sidebar-section-title::after{
  content:' ▼';font-size:9px;margin-left:4px;opacity:.5
}
.sidebar-close:hover{background:var(--n0d4-border);color:var(--n0d4-text)}
.sidebar::-webkit-scrollbar{width:4px}
.sidebar::-webkit-scrollbar-thumb{background:var(--n0d4-border);border-radius:var(--card-radius)}
.sidebar-section{margin-bottom:2px}
/* IAグループ見出し（3軸ナビ） */
.sidebar-group-label{
  display:block;padding:14px 20px 4px 16px;font-size:11px;font-weight:800;
  letter-spacing:.14em;color:var(--n0d4-text);text-transform:uppercase
}
.sidebar-section-cat{
  display:block;padding:12px 20px 2px 16px;font-size:11.5px;font-weight:800;
  letter-spacing:.1em;color:var(--n0d4-accent);text-transform:uppercase;margin-top:6px;
  border-top:1px solid rgba(26,115,232,.09);padding-top:14px
}
.sidebar-cat-desc{
  display:block;padding:2px 20px 10px 16px;font-size:11px;color:var(--n0d4-muted);
  line-height:1.5;letter-spacing:.02em;margin-bottom:4px
}
.sidebar-section-title{
  display:block;padding:7px 20px 7px 16px;font-size:11.5px;font-weight:700;letter-spacing:.08em;
  color:var(--n0d4-accent);text-transform:uppercase;border-left:2px solid var(--n0d4-accent)
}
.sidebar-section-title:hover{color:var(--n0d4-text)}
.sidebar-link{
  display:block;padding:5px 20px 5px 22px;font-size:13px;
  color:var(--n0d4-muted);text-decoration:none;
  border-left:2px solid transparent
}
.sidebar-link:hover{color:var(--n0d4-text);background:rgba(26,115,232,.025);border-left-color:var(--n0d4-border)}
.sidebar-link-sub{padding-left:34px;font-size:12px}

/* ============================================================
   MAIN LAYOUT
   ============================================================ */
.main{margin-left:var(--sidebar-width);margin-top:var(--header-height);padding:48px 56px 100px;max-width:1000px}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1{
  font-size:28px;font-weight:700;margin-bottom:16px;color:var(--n0d4-text);
  letter-spacing:-.02em;line-height:1.4
}
h2{
  font-size:22px;font-weight:700;margin:48px 0 20px;color:var(--n0d4-text);letter-spacing:-.01em
}
h3{
  font-size:19px;font-weight:600;margin:32px 0 16px;color:var(--n0d4-text);letter-spacing:.01em
}
h4{
  font-size:16px;font-weight:600;margin:24px 0 12px;color:var(--n0d4-text);letter-spacing:.01em
}
p{margin-bottom:16px;max-width:75ch}
a{color:var(--n0d4-link);text-decoration:none}
a:hover{text-decoration:underline;color:var(--n0d4-accent-strong)}
strong{color:var(--n0d4-text);font-weight:600}
em{color:var(--n0d4-accent);font-style:normal;font-weight:500}

blockquote{
  border-left:3px solid var(--n0d4-accent);padding:16px 28px;margin:20px 0 28px;
  background:rgba(26,115,232,.04);border-radius:var(--card-radius);
  font-size:14.5px;color:var(--n0d4-muted);line-height:1.8
}
blockquote p{margin-bottom:8px}
blockquote p:last-child{margin-bottom:0}
ul,ol{margin:12px 0 20px 24px}
li{margin-bottom:6px}
code{
  font-family:"SF Mono","Fira Code","Cascadia Code",monospace;font-size:13px;
  background:var(--n0d4-code-bg);padding:2px 8px;border-radius:var(--card-radius);color:#8b8b95
}
hr{border:none;height:1px;background:linear-gradient(to right,transparent,var(--n0d4-border),transparent);margin:64px 0}

/* ============================================================
   TABLE (kept for sections 1-4, 7-9)
   ============================================================ */
.table-wrap{overflow-x:auto;margin:20px 0 28px;border-radius:var(--card-radius);border:1px solid var(--n0d4-border)}
table{width:100%;border-collapse:collapse;font-size:13.5px}
thead{background:var(--n0d4-surface-2)}
th{
  font-weight:600;text-align:left;color:var(--n0d4-text);font-size:12px;
  text-transform:uppercase;letter-spacing:.03em;padding:12px 18px;border-bottom:2px solid var(--n0d4-border-strong)
}
td{padding:11px 18px;border-bottom:1px solid var(--n0d4-border);vertical-align:top;line-height:1.75}
tbody tr:nth-child(even){background:var(--n0d4-table-stripe)}
tbody tr:hover{background:var(--n0d4-surface-hover)}

/* ============================================================
   COMPONENTS
   ============================================================ */

/* Hero */
.hero{margin-bottom:40px}
.hero-meta{font-size:14px;color:var(--n0d4-muted);margin-top:12px}
.hero-tag{
  display:inline-block;padding:3px 14px;border:1px solid var(--n0d4-border);
  color:var(--n0d4-muted);font-size:11px;font-weight:600;letter-spacing:.08em;
  border-radius:var(--card-radius);margin-right:10px;text-transform:uppercase;
  background:var(--n0d4-surface-2)
}

/* Checklist */
.checklist{list-style:none;margin-left:0}
.checklist li{padding:8px 0 8px 32px;position:relative;line-height:1.6}
.checklist li::before{content:"☐";position:absolute;left:0;color:var(--n0d4-accent);font-size:16px;font-weight:700}

/* Insight / Warning */
.insight{
  border:1px solid var(--n0d4-accent);border-radius:var(--card-radius);padding:18px 24px;
  margin:20px 0 28px;background:var(--n0d4-accent-dim);font-size:14.5px;line-height:1.8
}
.insight strong{color:var(--n0d4-accent)}
.warning{
  border:1px solid var(--n0d4-warn);border-radius:var(--card-radius);padding:18px 26px;
  margin:20px 0 28px;background:var(--n0d4-warn-dim);font-size:14.5px;line-height:1.8
}
.warning strong{color:var(--n0d4-warn)}

/* Footer */
.footer{margin-top:72px;padding-top:28px;border-top:1px solid var(--n0d4-border);font-size:13px;color:var(--n0d4-muted);text-align:center;line-height:1.8}

/* Phase Badge */
.phase-badge{
  display:inline-block;padding:3px 14px;border-radius:var(--card-radius);font-size:11px;
  font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px
}
.phase-badge.p0{background:rgba(26,115,232,.07);color:var(--n0d4-accent);border:1px solid rgba(26,115,232,.14)}
.phase-badge.p1{background:rgba(26,115,232,.05);color:var(--n0d4-muted);border:1px solid rgba(26,115,232,.12)}
.phase-badge.p2{background:rgba(26,115,232,.04);color:var(--n0d4-faint);border:1px solid rgba(26,115,232,.1)}

/* Reference Links */
.ref-links{margin:16px 0 24px;padding:18px 22px;background:var(--n0d4-surface);border:1px solid var(--n0d4-border);border-radius:var(--card-radius)}
.ref-links-title{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--n0d4-muted);text-transform:uppercase;margin-bottom:12px}
.ref-links a{
  display:inline-block;margin:3px 6px 3px 0;font-size:13px;padding:4px 12px;
  background:var(--n0d4-accent-dim);border:1px solid var(--n0d4-border);
  border-radius:999px;color:var(--n0d4-link);white-space:normal
}
.ref-links a:hover{background:var(--n0d4-accent-dim);border-color:var(--n0d4-link);text-decoration:none}

/* ============================================================
   COMPANY CARD (Section 5 header)
   ============================================================ */
.company-card{
  background:var(--n0d4-surface);border:1px solid var(--n0d4-border);border-radius:var(--card-radius);
  padding:24px;margin:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:20px;align-items:flex-start
}
.company-card-image{
  flex:0 0 320px;max-width:100%;border-radius:var(--card-radius);overflow:hidden;
  border:1px solid var(--n0d4-border)
}
.company-card-image img{width:100%;height:auto;display:block}
.company-card-info{flex:1;min-width:200px}
.company-card-info h4{margin-top:0;margin-bottom:8px;color:var(--n0d4-accent);font-size:16px}
.company-card-info p{font-size:14px;color:var(--n0d4-muted);line-height:1.75;margin-bottom:10px}
.company-card-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.company-card-links a{
  display:inline-block;padding:4px 12px;background:var(--n0d4-accent-dim);border:1px solid var(--n0d4-border);
  border-radius:var(--card-radius);font-size:12px;color:var(--n0d4-link);text-decoration:none
}
.company-card-links a:hover{background:rgba(26,115,232,.1);border-color:var(--n0d4-link);text-decoration:none}

/* ============================================================
   TACTIC CARD GRID (Sections 5 & 6)
   ============================================================ */
.tactic-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(340px, 1fr));
  gap:20px;
  margin:20px 0 28px;
}
.tactic-card{
  background:var(--n0d4-surface);border:1px solid var(--n0d4-border);border-radius:var(--card-radius);
  padding:20px;display:flex;flex-direction:column;gap:10px;
  position:relative;overflow:hidden;
}
.tactic-card:hover{
  border-color:var(--n0d4-accent);
}
.tactic-card-header{
  display:flex;align-items:flex-start;justify-content:space-between;gap:8px;
}
.tactic-card-title{
  font-size:15px;font-weight:700;color:var(--n0d4-text);line-height:1.4;flex:1;
}
.tactic-card-badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:2px 10px;border-radius:var(--card-radius);font-size:10.5px;font-weight:700;
  letter-spacing:.04em;white-space:nowrap;flex-shrink:0;
}
.tactic-card-badge.cat{background:var(--n0d4-surface-2);color:var(--n0d4-muted);border:1px solid var(--n0d4-border)}
.tactic-card-badge.diff{background:rgba(26,115,232,.07);color:#7c7c88;border:1px solid rgba(26,115,232,.10)}
.tactic-card-badge.metric{background:rgba(26,115,232,.07);color:#a8a8b3;border:1px solid rgba(26,115,232,.08)}
.tactic-card-badge.fail{background:var(--n0d4-warn-dim);color:var(--n0d4-warn);border:1px solid rgba(229,72,77,.25)}

/* scorecard input fields */
.scorecard-input{width:48px;background:var(--n0d4-surface-2);border:1px solid var(--n0d4-border);color:var(--n0d4-text);text-align:center;padding:4px;border-radius:var(--card-radius);font-family:var(--font-sans);font-size:15px;font-weight:700}
.scorecard-input:focus{outline:none;border-color:var(--n0d4-accent)}
.scorecard-total-input{width:60px;background:var(--n0d4-surface-2);border:1px solid var(--n0d4-accent);color:var(--n0d4-text);text-align:center;padding:6px;border-radius:var(--card-radius);font-weight:700;font-size:16px;font-family:var(--font-sans)}
.scorecard-total-input:focus{outline:none;border-color:var(--n0d4-accent)}

.tactic-card-desc{
  font-size:13.5px;color:var(--n0d4-text);line-height:1.75;
}
.tactic-card-meta{
  display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:10px;
  border-top:1px solid rgba(26,115,232,.04);
}
.tactic-card-meta-item{
  font-size:12px;color:var(--n0d4-muted);line-height:1.5;
}
.tactic-card-meta-item strong{color:var(--n0d4-accent);font-weight:600;font-size:12px}
.tactic-card-meta-item em{color:var(--n0d4-text);font-style:normal;font-weight:500}

/* Expanded variant for larger content */
.tactic-card.detailed{padding:24px}
.tactic-card.detailed .tactic-card-meta{border-top-color:var(--n0d4-border);padding-top:14px;margin-top:6px}

/* Section header for card grids */
.section-card-header{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-bottom:8px;
}
.section-card-header .tactic-count{
  font-size:12px;color:var(--n0d4-muted);background:var(--n0d4-surface-2);
  padding:3px 12px;border-radius:var(--card-radius);white-space:nowrap;
}


/* ============================================================
   INDEX LINK HUB
   ============================================================ */
.hero{
  margin-bottom:28px;padding:40px;border:1px solid var(--n0d4-border);
  background:var(--n0d4-surface-2);border-radius:var(--card-radius);
  position:relative
}
.hero-kicker{font-size:12px;color:var(--n0d4-accent);font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px}
.hero-lead{font-size:16px;color:var(--n0d4-muted);line-height:1.8;max-width:760px;margin-bottom:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.hero-action{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border:1px solid var(--n0d4-border);
  background:var(--n0d4-surface);color:var(--n0d4-text);font-size:13px;font-weight:600;text-decoration:none;
  border-radius:var(--card-radius);transition:background .12s
}
.hero-action:hover{background:var(--n0d4-surface-hover)}
.hero-action.primary{background:var(--n0d4-accent);border-color:var(--n0d4-accent);color:#fff}
.hero-action.primary:hover{background:var(--n0d4-accent-strong)}
.index-hub{margin:28px 0 44px;display:grid;gap:20px}
.index-hub-header{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:2px}
.index-hub-title{font-size:18px;font-weight:900;color:var(--n0d4-text);letter-spacing:-.01em;margin:0;padding:0;border:0}
.index-hub-title::after{display:none}
.index-hub-note{font-size:12.5px;color:var(--n0d4-muted);line-height:1.6;max-width:420px;text-align:right}
.hub-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.coming-soon-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:4px}
.hub-card{
  display:flex;flex-direction:column;gap:10px;padding:22px;border:1px solid var(--n0d4-border);
  background:var(--n0d4-surface);min-height:172px;color:var(--n0d4-text);text-decoration:none;position:relative;
  border-radius:var(--card-radius);transition:border-color .12s,background .12s
}
.hub-card.featured{background:var(--n0d4-accent-dim);border-color:var(--n0d4-border)}
.hub-card:hover{border-color:var(--n0d4-accent);background:var(--n0d4-surface-hover);text-decoration:none;color:var(--n0d4-text)}
.hub-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.hub-card-icon{font-size:24px;line-height:1}
.hub-status{font-size:10.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:3px 8px;border:1px solid rgba(26,115,232,.09);color:var(--n0d4-muted);background:rgba(26,115,232,.025)}
.hub-status.live{color:var(--n0d4-accent);border-color:rgba(26,115,232,.18);background:rgba(26,115,232,.07)}
.hub-card-title{font-size:16px;font-weight:800;color:var(--n0d4-text);line-height:1.45}
.hub-card-desc{font-size:13px;color:var(--n0d4-muted);line-height:1.75;margin:0;max-width:none}
.hub-card-cta{font-size:12.5px;color:var(--n0d4-link);font-weight:700;margin-top:auto}
.hub-card.soon{min-height:120px;opacity:.86;padding:15px}
.coming-soon-grid .hub-card-title{font-size:14px}
.coming-soon-grid .hub-card-desc{font-size:12px;line-height:1.65}
.coming-soon-grid .hub-card-icon{font-size:20px}
.hub-card.soon:hover{opacity:1}
.compact-link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.compact-link{
  display:block;padding:12px 13px;border:1px solid var(--n0d4-border);background:rgba(26,115,232,.02);
  color:var(--n0d4-text);text-decoration:none;min-height:86px
}
.compact-link:hover{border-color:var(--n0d4-link);background:rgba(26,115,232,.06);text-decoration:none;color:var(--n0d4-text)}
.compact-link strong{display:block;font-size:13.5px;margin-bottom:4px;color:var(--n0d4-text)}
.compact-link span{display:block;font-size:12px;line-height:1.55;color:var(--n0d4-muted)}
.sidebar-link.is-deep-dive{color:var(--n0d4-accent);font-weight:700}
.sidebar-link.is-coming-soon{color:#9a9aa6;font-weight:600}
.sidebar-link .nav-status{font-size:10px;color:var(--n0d4-muted);font-weight:700}

/* ============================================================
   IA 3-AXIS GRID (chapter map)
   ============================================================ */
.ia-axis-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:14px 0 6px;
}
.ia-axis{
  border:1px solid var(--n0d4-border);background:var(--n0d4-surface);
  padding:20px;display:flex;flex-direction:column;gap:12px;position:relative;
  border-radius:var(--card-radius)
}
.ia-axis::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
}
.ia-axis:nth-child(1)::before{background:var(--n0d4-accent)}
.ia-axis:nth-child(2)::before{background:#7c7c88}
.ia-axis:nth-child(3)::before{background:#a8a8b3}
.ia-axis-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.ia-axis-num{font-size:17px;font-weight:900;color:var(--n0d4-accent);line-height:1}
.ia-axis:nth-child(2) .ia-axis-num{color:#7c7c88}
.ia-axis:nth-child(3) .ia-axis-num{color:#a8a8b3}
.ia-axis-title{font-size:16px;font-weight:800;color:var(--n0d4-text);letter-spacing:.01em}
.ia-axis-badge{
  font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  padding:3px 10px;border:1px solid var(--n0d4-accent);color:var(--n0d4-accent);
  background:var(--n0d4-accent-dim);margin-left:auto;white-space:nowrap;
}
.ia-axis:nth-child(2) .ia-axis-badge{border-color:rgba(26,115,232,.18);color:#7c7c88;background:rgba(26,115,232,.07)}
.ia-axis:nth-child(3) .ia-axis-badge{border-color:rgba(26,115,232,.14);color:#a8a8b3;background:rgba(26,115,232,.07)}
.ia-axis-desc{font-size:12.5px;color:var(--n0d4-muted);line-height:1.7;margin:0}
.ia-axis-tags{display:flex;flex-wrap:wrap;gap:6px}
.ia-axis-tag{
  font-size:10.5px;font-weight:600;color:var(--n0d4-muted);
  border:1px solid var(--n0d4-border);padding:2px 8px;
  background:var(--mono-dim-2);letter-spacing:.02em;white-space:nowrap;
}
.ia-axis:nth-child(1) .ia-axis-tag{border-color:rgba(26,115,232,.12)}
.ia-axis:nth-child(2) .ia-axis-tag{border-color:rgba(26,115,232,.10)}
.ia-axis:nth-child(3) .ia-axis-tag{border-color:rgba(26,115,232,.09)}
.ia-axis .compact-link-grid{grid-template-columns:1fr}
.ia-axis .compact-link{min-height:0;padding:10px 12px}
.ia-axis .compact-link span{font-size:11.5px;line-height:1.5}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:768px){
  .menu-toggle{display:block}
  .sidebar{transform:translateX(-100%);transition:transform .25s ease;will-change:transform}
  .sidebar.open{transform:translateX(0)}
  .sidebar-backdrop{display:block}
  .sidebar-close{display:block}
  .sidebar-link{padding:11px 20px 11px 22px;min-height:44px;display:flex;align-items:center}
  .sidebar-link-sub{padding-left:34px}
  .main{margin-left:0;padding:24px 20px 60px}
  .search-input{max-width:150px}
  .header-title{display:none}
  /* ヘッダータブ：モバイルでは非表示にしてハンバーガー(サイドバー)に一本化
     ※Supabase/Next.js同様、スマホはロゴ+検索+メニューの最小構成にする */
  .header-tabs{display:none}
  .header{gap:8px;padding:0 12px}
  .header-logo{font-size:14px}
  /* ハンバーガーのタップターゲットを44px以上に拡大(アクセシビリティ) */
  .menu-toggle{min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center;padding:0}
  .company-card{flex-direction:column}
  .company-card-image{flex:0 0 auto;width:100%}
  .tactic-grid{grid-template-columns:1fr}
  h1{font-size:26px}
  h2{font-size:21px}
  body{font-size:15px;line-height:1.8}
  /* Table mobile adjustments */
  th{white-space:normal;padding:10px 12px}
  td{padding:9px 12px}
  /* List / blockquote */
  ul,ol{margin-left:18px}
  blockquote{padding:14px 20px}
  .hero{padding:24px 18px}
  .hero-actions{gap:8px}
  .hero-action{width:100%;justify-content:space-between}
  .index-hub-header{display:block}
  .index-hub-note{text-align:left;margin-top:8px}
  .hub-card-grid{grid-template-columns:1fr}
  .coming-soon-grid{grid-template-columns:1fr}
  .compact-link-grid{grid-template-columns:1fr}
  .ia-axis-grid{grid-template-columns:1fr}
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  .sidebar,.header,.menu-toggle{display:none!important}
  .main{margin:0;padding:20px;max-width:none}
  body{background:#ffffff;color:#000;font-size:11px;line-height:1.5}
  table{font-size:10px}
  a{color:#000}
  .company-card,.ref-links,.tactic-card{border-color:var(--n0d4-muted);background:#fff}
}

@media (max-width: 768px) {
  .lifecycle-diagram svg { height: auto !important; }
  .progress-bar{z-index:101}
}

/* ============================================================
   MOBILE (480px) — 小型スマートフォン
   ============================================================ */
@media(max-width:480px){
  h1{font-size:22px}
  h2{font-size:17px}
  body{font-size:14px;line-height:1.75}
  .main{padding:16px 14px 40px}
  .company-card{padding:16px;gap:14px}
  .tactic-card{padding:16px}
  .diagram-figure{padding:12px}
  .insight,.warning{padding:14px 18px}
  .table-wrap{margin:14px 0 20px}
  th{padding:8px 10px;font-size:11.5px}
  td{padding:7px 10px;font-size:12.5px}
  blockquote{padding:12px 16px;margin:14px 0 20px}
  ul,ol{margin-left:14px}
  .hero h1{font-size:20px}
  .sidebar-link{font-size:12.5px;padding:10px 16px 10px 18px}
  .sidebar-link-sub{padding-left:28px}
  /* Hide full lifecycle SVG on small screens, show summary text */
  .lifecycle-diagram svg{display:none}
  .lifecycle-diagram-mobile-summary{display:block}
  .scorecard-input{width:40px;font-size:13px}
  .scorecard-total-input{width:50px;font-size:14px}
}

/* Lifecycle diagram mobile summary (hidden by default) */
.lifecycle-diagram-mobile-summary{display:none;margin:16px 0 24px}
.lifecycle-diagram-mobile-summary .phase-item{
  background:var(--n0d4-surface);border:1px solid var(--n0d4-border);
  border-radius:var(--card-radius);padding:12px 16px;margin-bottom:10px
}
.lifecycle-diagram-mobile-summary .phase-item-title{
  font-size:14px;font-weight:700;margin-bottom:4px
}
.lifecycle-diagram-mobile-summary .phase-item p{
  font-size:12.5px;color:var(--n0d4-muted);margin:0;line-height:1.6
}
.lifecycle-diagram-mobile-summary .phase-item.p0 .phase-item-title{color:var(--n0d4-accent)}
.lifecycle-diagram-mobile-summary .phase-item.p1 .phase-item-title{color:#7c7c88}
.lifecycle-diagram-mobile-summary .phase-item.p2 .phase-item-title{color:#a8a8b3}

/* ============================================================
   ACCESSIBILITY: prefers-reduced-motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after{
    animation-duration:0.01ms!important;animation-iteration-count:1!important;
    transition-duration:0.01ms!important;scroll-behavior:auto!important
  }
}

/* ============================================================
   SEARCH INPUT
   ============================================================ */
.search-input{
  width:100%;max-width:180px;padding:4px 10px;
  background:var(--n0d4-surface-2);border:1px solid #000;
  color:var(--n0d4-text);font-family:var(--font-sans);font-size:13px;
  outline:none
}
.search-input:focus{border-color:var(--n0d4-accent)}
.search-input::placeholder{color:var(--n0d4-muted)}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top{
  position:fixed;bottom:32px;right:32px;z-index:1000;
  width:44px;height:44px;
  background:var(--n0d4-surface);border:1px solid #000;
  color:var(--n0d4-accent);font-size:20px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none
}
.back-to-top.visible{opacity:1;pointer-events:auto}
.back-to-top:hover{background:var(--n0d4-border)}

/* ============================================================
   READING PROGRESS BAR
   ============================================================ */
.progress-bar{
  position:fixed;top:var(--header-height);left:0;height:2px;width:0%;
  background:var(--n0d4-accent);z-index:99;transition:none
}

/* ============================================================
   DIAGRAM FIGURES
   ============================================================ */
.diagram-figure{
  margin:24px 0 32px;text-align:center;
  background:var(--n0d4-surface);border:1px solid var(--n0d4-border);
  border-radius:var(--card-radius);padding:20px;overflow:hidden
}
.diagram-figure svg{
  max-width:100%;height:auto;display:block;margin:0 auto
}
.diagram-caption{
  margin-top:10px;font-size:12.5px;color:var(--n0d4-muted);text-align:center
}