:root{
  --yuzu:#F4C430;
  --yuzu-bright:#FFD93D;
  --yuzu-soft:#FFF4B0;
  --yuzu-deep:#8B6914;
  --leaf:#4ade80;
  --leaf-deep:#22c55e;
  --bg:#0f1117;
  --bg-2:#161922;
  --panel:#1d212d;
  --panel-2:#252a38;
  --border:#2d3346;
  --text:#e8eaed;
  --text-dim:#9ca3af;
  --text-muted:#6b7280;
  --danger:#ef4444;
  --warning:#f59e0b;
  --info:#3b82f6;
  --shadow:0 4px 6px rgba(0,0,0,.3),0 10px 15px rgba(0,0,0,.2);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Yu Gothic","Meiryo",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:15px;
  overflow-x:hidden;
}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-2)}
::-webkit-scrollbar-thumb{background:var(--panel-2);border-radius:5px}
::-webkit-scrollbar-thumb:hover{background:var(--yuzu-deep)}

/* Top bar */
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(15,17,23,.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  padding:.7rem 1.5rem;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.topbar-brand{
  display:flex;
  align-items:center;
  gap:.5rem;
  font-weight:800;
  color:var(--yuzu);
  text-decoration:none;
  font-size:1.05rem;
}
.topbar-brand:hover{text-decoration:none;color:var(--yuzu-bright)}
.topbar-search{
  flex:1;
  max-width:320px;
  margin:0 1rem;
  padding:.45rem .85rem;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:8px;
  color:var(--text);
  font-size:.85rem;
  outline:none;
}
.topbar-search:focus{
  border-color:var(--yuzu);
  box-shadow:0 0 0 3px rgba(244,196,48,.15);
}
.topbar-actions{
  display:flex;
  gap:.5rem;
  font-size:.85rem;
}
.topbar-actions a{
  color:var(--text-dim);
  padding:.3rem .8rem;
  border-radius:6px;
}
.topbar-actions a:hover{
  background:var(--panel);
  color:var(--text);
  text-decoration:none;
}

/* Hero */
.hero{
  position:relative;
  padding:3rem 2rem 2.5rem;
  text-align:center;
  overflow:hidden;
  background:
    radial-gradient(ellipse at 30% 20%,rgba(244,196,48,.15) 0%,transparent 50%),
    radial-gradient(ellipse at 70% 80%,rgba(74,222,128,.1) 0%,transparent 50%),
    linear-gradient(135deg,#0f1117 0%,#1a1d2e 100%);
  border-bottom:1px solid var(--border);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    repeating-linear-gradient(0deg,transparent,transparent 79px,rgba(244,196,48,.03) 80px),
    repeating-linear-gradient(90deg,transparent,transparent 79px,rgba(244,196,48,.03) 80px);
  pointer-events:none;
}
.hero-content{position:relative;z-index:2}
.hero-icon{
  font-size:3.5rem;
  display:inline-block;
  filter:drop-shadow(0 4px 20px rgba(244,196,48,.5));
  animation:float 6s ease-in-out infinite;
  margin-bottom:.3rem;
}
@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-8px)}
}
.hero-title{
  font-size:clamp(1.8rem,4.5vw,3rem);
  font-weight:900;
  letter-spacing:-.02em;
  background:linear-gradient(135deg,var(--yuzu-bright) 0%,var(--yuzu) 50%,#FFA500 100%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  margin-bottom:.4rem;
}
.hero-subtitle{
  color:var(--text-dim);
  font-size:1rem;
}
.hero.large{
  min-height:380px;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:4rem 2rem;
}
.hero.large .hero-icon{font-size:5rem;margin-bottom:.5rem}
.hero.large .hero-title{font-size:clamp(2.5rem,6vw,4rem)}
.hero-tagline{
  display:inline-block;
  padding:.4rem 1rem;
  background:rgba(244,196,48,.1);
  border:1px solid rgba(244,196,48,.3);
  border-radius:999px;
  color:var(--yuzu-bright);
  font-size:.85rem;
  margin-top:1rem;
}

/* Layout */
.app{
  display:grid;
  grid-template-columns:240px 1fr;
  max-width:1400px;
  margin:0 auto;
  min-height:calc(100vh - 60px);
}
.sidebar{
  position:sticky;
  top:60px;
  align-self:start;
  height:calc(100vh - 60px);
  overflow-y:auto;
  background:var(--bg-2);
  border-right:1px solid var(--border);
  padding:1.5rem 1rem;
}
.nav-section{margin-bottom:1.3rem}
.nav-section-title{
  font-size:.7rem;
  text-transform:uppercase;
  letter-spacing:.1em;
  color:var(--text-muted);
  padding:0 .5rem;
  margin-bottom:.4rem;
}
.nav-link{
  display:flex;
  align-items:center;
  gap:.6rem;
  padding:.5rem .8rem;
  color:var(--text-dim);
  text-decoration:none;
  border-radius:6px;
  font-size:.88rem;
  transition:all .15s;
  margin-bottom:1px;
}
.nav-link:hover{
  background:var(--panel);
  color:var(--text);
  text-decoration:none;
}
.nav-link.active{
  background:linear-gradient(90deg,rgba(244,196,48,.15),transparent);
  color:var(--yuzu-bright);
  border-left:3px solid var(--yuzu);
  padding-left:calc(.8rem - 3px);
  font-weight:600;
}
.nav-link-icon{
  width:18px;
  text-align:center;
  font-size:.95em;
}

/* Main */
main{padding:2rem 3rem;max-width:100%}
section{margin-bottom:3rem}
.section-header{
  margin-bottom:1.5rem;
  padding-bottom:1rem;
  border-bottom:2px solid var(--border);
}
.section-title{
  font-size:1.7rem;
  font-weight:800;
  display:flex;
  align-items:center;
  gap:.6rem;
  margin-bottom:.3rem;
}
.section-title-icon{font-size:1.6rem}
.section-subtitle{color:var(--text-dim);font-size:.95rem}

/* Breadcrumb */
.breadcrumb{
  display:flex;
  gap:.5rem;
  font-size:.85rem;
  color:var(--text-muted);
  margin-bottom:.5rem;
}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--yuzu);text-decoration:none}
.breadcrumb-sep{color:var(--text-muted)}

/* Page navigation (prev/next) */
.page-nav{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1rem;
  margin-top:3rem;
  padding-top:2rem;
  border-top:1px solid var(--border);
}
.page-nav-link{
  display:flex;
  align-items:center;
  gap:.8rem;
  padding:1rem 1.2rem;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:10px;
  text-decoration:none;
  transition:all .2s;
}
.page-nav-link:hover{
  border-color:var(--yuzu);
  background:var(--panel-2);
  text-decoration:none;
}
.page-nav-link.next{flex-direction:row-reverse;text-align:right}
.page-nav-link-arrow{font-size:1.4rem;color:var(--yuzu)}
.page-nav-link-label{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}
.page-nav-link-title{color:var(--text);font-weight:600;font-size:.95rem;margin-top:.15rem}
.page-nav-spacer{visibility:hidden}

/* Cards */
.card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:12px;
  padding:1.5rem;
  margin-bottom:1rem;
  transition:transform .2s,box-shadow .2s;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem}
.card-title{font-size:1.05rem;font-weight:700;color:var(--yuzu-bright);margin-bottom:.5rem}
.card-meta{font-size:.8rem;color:var(--text-muted);margin-bottom:.5rem}

/* Pills */
.pill{display:inline-block;padding:.2rem .6rem;border-radius:999px;font-size:.75rem;font-weight:600}
.pill-yuzu{background:rgba(244,196,48,.15);color:var(--yuzu-bright);border:1px solid rgba(244,196,48,.3)}
.pill-leaf{background:rgba(74,222,128,.15);color:var(--leaf);border:1px solid rgba(74,222,128,.3)}
.pill-danger{background:rgba(239,68,68,.15);color:var(--danger);border:1px solid rgba(239,68,68,.3)}
.pill-warning{background:rgba(245,158,11,.15);color:var(--warning);border:1px solid rgba(245,158,11,.3)}
.pill-info{background:rgba(59,130,246,.15);color:var(--info);border:1px solid rgba(59,130,246,.3)}
.pill-muted{background:var(--panel-2);color:var(--text-muted);border:1px solid var(--border)}

/* Tables */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:12px;background:var(--panel)}
table{width:100%;border-collapse:collapse;font-size:.88rem}
th{text-align:left;padding:.85rem 1rem;background:linear-gradient(135deg,#305496,#3a64b8);color:#fff;font-weight:700;white-space:nowrap;border-bottom:1px solid var(--border)}
td{padding:.7rem 1rem;border-bottom:1px solid var(--border);vertical-align:top}
tr:nth-child(even) td{background:rgba(244,196,48,.03)}
tr:hover td{background:rgba(244,196,48,.06)}
tr:last-child td{border-bottom:none}

/* Rules */
.rule-item{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:1rem;
  padding:1rem;
  background:var(--panel);
  border-radius:10px;
  margin-bottom:.6rem;
  border-left:3px solid var(--yuzu);
  align-items:start;
}
.rule-id{font-family:monospace;color:var(--yuzu);font-weight:700;font-size:.85rem;white-space:nowrap}
.rule-title{font-weight:700;color:var(--text);margin-bottom:.3rem}
.rule-desc{color:var(--text-dim);font-size:.9rem}

/* Notice */
.notice{background:rgba(244,196,48,.08);border:1px solid rgba(244,196,48,.3);border-left:4px solid var(--yuzu);padding:1rem 1.2rem;border-radius:8px;margin-bottom:1.5rem}
.notice-warning{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.3);border-left-color:var(--danger)}
.notice-info{background:rgba(59,130,246,.08);border-color:rgba(59,130,246,.3);border-left-color:var(--info)}
.notice-title{font-weight:700;margin-bottom:.3rem}

/* Tabs */
.tab-group{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:1rem;border-bottom:1px solid var(--border);padding-bottom:0}
.tab{padding:.5rem 1rem;background:transparent;border:none;color:var(--text-dim);cursor:pointer;font-size:.85rem;border-bottom:2px solid transparent;transition:all .15s;font-weight:600}
.tab:hover{color:var(--text)}
.tab.active{color:var(--yuzu-bright);border-bottom-color:var(--yuzu)}
.tab-content{display:none}
.tab-content.active{display:block}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:2rem}
.stat{background:var(--panel);border:1px solid var(--border);padding:1.2rem;border-radius:12px;position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;top:0;left:0;width:60px;height:60px;background:radial-gradient(circle,rgba(244,196,48,.2),transparent)}
.stat-num{font-size:1.7rem;font-weight:800;color:var(--yuzu-bright)}
.stat-label{font-size:.78rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}

/* Commands */
.cmd-item{display:grid;grid-template-columns:200px 1fr;gap:1rem;padding:.85rem 1rem;background:var(--panel);border-radius:8px;margin-bottom:.5rem;border-left:3px solid var(--leaf);align-items:start}
.cmd-name{font-family:"SF Mono","Monaco","Consolas",monospace;color:var(--leaf);font-weight:700;font-size:.9rem;background:rgba(74,222,128,.1);padding:.2rem .5rem;border-radius:4px;display:inline-block;width:fit-content}
.cmd-desc{color:var(--text-dim)}

/* Terms */
.term-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:.6rem}
.term-item{display:flex;align-items:center;gap:.8rem;padding:.7rem .9rem;background:var(--panel);border-radius:8px;border:1px solid var(--border)}
.term-key{font-weight:700;color:var(--yuzu);min-width:80px}
.term-arrow{color:var(--text-muted);font-size:.8rem}
.term-val{color:var(--text-dim);flex:1}

/* Timeline */
.timeline{position:relative;padding-left:2rem}
.timeline::before{content:"";position:absolute;left:.5rem;top:0;bottom:0;width:2px;background:var(--border)}
.timeline-item{position:relative;padding:.7rem 0 1rem 1.5rem}
.timeline-item::before{content:"";position:absolute;left:-1.7rem;top:1rem;width:14px;height:14px;background:var(--yuzu);border-radius:50%;box-shadow:0 0 0 4px var(--bg)}
.timeline-item.high::before{background:var(--danger)}
.timeline-item.mid::before{background:var(--warning)}
.timeline-item.low::before{background:var(--leaf)}
.timeline-date{font-size:.78rem;color:var(--text-muted);margin-bottom:.3rem}
.timeline-title{font-weight:700;color:var(--text);margin-bottom:.4rem}
.timeline-content{color:var(--text-dim);font-size:.9rem}

/* Footer */
footer{background:var(--bg-2);border-top:1px solid var(--border);padding:2rem;text-align:center;color:var(--text-muted);font-size:.85rem;margin-top:0}

/* Mobile */
@media (max-width:900px){
  .app{grid-template-columns:1fr}
  .sidebar{position:fixed;top:0;height:100vh;transform:translateX(-100%);transition:transform .25s;z-index:100;width:260px}
  .sidebar.open{transform:translateX(0)}
  main{padding:1.5rem 1rem}
  .menu-toggle{display:flex !important}
  .rule-item{grid-template-columns:1fr}
  .topbar-search{display:none}
}
.menu-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  background:transparent;
  color:var(--text);
  border:1px solid var(--border);
  width:36px;
  height:36px;
  border-radius:8px;
  font-size:1.1rem;
  cursor:pointer;
}
.hidden-by-search{display:none !important}

a{color:var(--yuzu-bright);text-decoration:none}
a:hover{text-decoration:underline}
hr{border:none;border-top:1px solid var(--border);margin:2rem 0}
strong{color:var(--text)}
code{font-family:"SF Mono","Monaco","Consolas",monospace;background:var(--panel-2);color:var(--yuzu-bright);padding:.1em .4em;border-radius:4px;font-size:.85em}
ul.styled-list{list-style:none;padding:0}
ul.styled-list li{padding:.4rem 0;padding-left:1.5rem;position:relative}
ul.styled-list li::before{content:"🍋";position:absolute;left:0;font-size:.85em}