:root {
  --black:#080808; --white:#F2F0E8; --lime:#C8FF00;
  --red:#FF2D2D; --gray:#141414; --line:rgba(242,240,232,0.1);
}
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
body { background:var(--black); color:var(--white); font-family:'Noto Sans JP',sans-serif; min-height:100vh; line-height:1.85; }
.head { font-family:'Barlow Condensed',sans-serif; font-weight:900; }

nav {
  position:sticky; top:0; z-index:100;
  display:flex; justify-content:space-between; align-items:center;
  padding:14px 16px;
  background:rgba(8,8,8,0.92); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.logo { font-size:18px; letter-spacing:4px; text-decoration:none; color:inherit; }
.logo span { color:var(--lime); }
.nav-links { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.nav-links a {
  font-family:'Barlow Condensed',sans-serif; font-weight:700;
  font-size:11px; letter-spacing:2px; color:rgba(242,240,232,0.65);
  text-decoration:none; padding:6px 10px;
  border:1px solid var(--line); border-radius:2px;
}
.nav-links a.primary { color:var(--lime); border-color:rgba(200,255,0,0.4); }

article { max-width:760px; margin:0 auto; padding:32px 20px 64px; }

.crumbs { font-size:11px; color:rgba(242,240,232,0.45); margin-bottom:16px; letter-spacing:0.5px; }
.crumbs a { color:var(--lime); text-decoration:none; }
.crumbs span { margin:0 6px; }

.article-meta { font-family:'Barlow Condensed',sans-serif; font-size:11px; letter-spacing:3px; color:var(--lime); margin-bottom:8px; }
h1 { font-size:clamp(32px, 7vw, 48px); line-height:1.15; letter-spacing:-0.5px; margin-bottom:16px; }
.lead {
  font-size:14px; color:rgba(242,240,232,0.75); line-height:1.95;
  padding:14px 16px; background:rgba(200,255,0,0.04);
  border-left:2px solid var(--lime); border-radius:2px;
  margin-bottom:36px;
}

h2 {
  font-family:'Barlow Condensed',sans-serif; font-weight:900;
  font-size:26px; line-height:1.2; letter-spacing:0;
  margin:40px 0 12px; padding-bottom:6px;
  border-bottom:1px solid var(--line); color:var(--lime);
}
h2 .num {
  color:rgba(200,255,0,0.5); font-family:'JetBrains Mono', monospace;
  font-size:13px; margin-right:10px;
}
h3 {
  font-family:'Barlow Condensed',sans-serif; font-weight:700;
  font-size:18px; margin:24px 0 10px; letter-spacing:0.3px;
  color:rgba(242,240,232,0.95);
}

p { font-size:14px; color:rgba(242,240,232,0.85); margin-bottom:14px; line-height:1.95; }
strong { color:var(--lime); font-weight:700; }
em { font-style:normal; color:rgba(242,240,232,1); font-weight:700; }

ul, ol { margin: 8px 0 18px 22px; }
li { font-size:14px; color:rgba(242,240,232,0.85); margin-bottom:8px; line-height:1.85; }

.pt-row { display:inline-flex; gap:2px; vertical-align:middle; flex-wrap:wrap; margin: 4px 0; }
.pt {
  display:inline-flex; align-items:center; justify-content:center;
  width:22px; height:28px; border-radius:3px;
  font-size:10px; font-weight:700;
}
.pt-m { background:#3a1a0a; color:#f97316; border:1px solid #c9622a; }
.pt-p { background:#0a1a3a; color:#60a5fa; border:1px solid #2a62c9; }
.pt-s { background:#0a2a0a; color:#4ade80; border:1px solid #2ac962; }
.pt-z { background:#2a1a0a; color:#fbbf24; border:1px solid #c9a227; }

.tip {
  margin: 18px 0; padding:14px 16px;
  background:rgba(96,165,250,0.06); border-left:3px solid #60a5fa;
  border-radius:2px;
}
.tip-label {
  font-family:'Barlow Condensed',sans-serif; font-weight:700;
  font-size:10px; letter-spacing:2px; color:#60a5fa; margin-bottom:4px;
}
.tip-body { font-size:13px; color:rgba(242,240,232,0.8); line-height:1.85; }

.warn {
  margin: 18px 0; padding:14px 16px;
  background:rgba(255,45,45,0.06); border-left:3px solid var(--red);
  border-radius:2px;
}
.warn-label {
  font-family:'Barlow Condensed',sans-serif; font-weight:700;
  font-size:10px; letter-spacing:2px; color:var(--red); margin-bottom:4px;
}
.warn-body { font-size:13px; color:rgba(242,240,232,0.8); line-height:1.85; }

.cta-box {
  margin:40px 0; padding:24px;
  background:rgba(200,255,0,0.06);
  border:1px solid var(--lime); border-radius:6px;
  text-align:center;
}
.cta-box h3 { color:var(--lime); margin-bottom:8px; font-size:22px; border:none; padding:0; }
.cta-box p { font-size:13px; color:rgba(242,240,232,0.7); margin-bottom:14px; }
.cta-box a {
  display:inline-block; padding:12px 24px; margin:4px;
  background:var(--lime); color:var(--black);
  font-family:'Barlow Condensed',sans-serif; font-weight:700;
  font-size:14px; letter-spacing:2px; text-decoration:none; border-radius:2px;
}
.cta-box a.secondary { background:transparent; color:var(--lime); border:1px solid var(--lime); }

.related {
  margin-top:48px; padding-top:24px;
  border-top:1px solid var(--line);
}
.related-title { font-size:13px; color:rgba(242,240,232,0.5); letter-spacing:2px; font-family:'Barlow Condensed',sans-serif; font-weight:700; margin-bottom:14px; }
.related-grid { display:grid; gap:2px; grid-template-columns:1fr; }
@media (min-width:600px) { .related-grid { grid-template-columns:1fr 1fr; } }
.related-card {
  background:var(--gray); padding:14px 16px;
  border-top:2px solid transparent; transition:border-color 0.2s;
  text-decoration:none; color:inherit; display:block;
}
.related-card:hover { border-top-color:var(--lime); }
.related-card.coming { opacity:0.5; cursor:default; }
.rc-num { font-family:'JetBrains Mono', monospace; font-size:9px; color:rgba(242,240,232,0.4); letter-spacing:1.5px; }
.rc-title { font-family:'Barlow Condensed',sans-serif; font-weight:700; font-size:15px; margin-top:4px; line-height:1.3; }

table.tbl { width:100%; border-collapse:collapse; margin:14px 0; font-size:12px; }
table.tbl th, table.tbl td {
  padding:10px; border-bottom:1px solid var(--line); text-align:left;
}
table.tbl th { background:rgba(200,255,0,0.05); color:var(--lime); font-family:'Barlow Condensed',sans-serif; font-weight:700; font-size:11px; letter-spacing:1px; }

footer {
  border-top:1px solid var(--line); padding:24px 20px;
  display:flex; flex-direction:column; gap:8px; align-items:center;
}
.ftr-logo { font-family:'Barlow Condensed',sans-serif; font-weight:900; font-size:16px; letter-spacing:3px; }
.ftr-logo span { color:var(--lime); }
.ftr-links { display:flex; gap:14px; font-size:10px; flex-wrap:wrap; justify-content:center; }
.ftr-links a { color:rgba(242,240,232,0.4); text-decoration:none; }