:root { --bg:#0A0A0A; --bg2:#1A1A1A; --gold:#FFE59A; --green:#00FF88; --text:#EEEEEE; --muted:#9999AA; --card:#1C1C1C; --border:#2E2E2E; }
* { box-sizing: border-box; }
body { font-family: -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif; background: linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%); color: var(--text); margin: 0; line-height: 1.8; }
header { background: rgba(11,16,48,0.95); padding: 18px 0; position: sticky; top: 0; z-index: 100; border-bottom: 1px solid var(--border); backdrop-filter: blur(8px); }
header .inner { max-width: 1100px; margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; align-items: center; }
header .logo { color: var(--gold); font-weight: 700; font-size: 20px; letter-spacing: 3px; text-decoration: none; }
header nav a { color: var(--muted); text-decoration: none; margin-left: 24px; font-size: 14px; }
header nav a:hover { color: var(--gold); }
.hero { padding: 80px 20px 60px; text-align: center; }
.hero h1 { font-size: 36px; color: var(--gold); margin: 0 0 16px; letter-spacing: 1.5px; line-height: 1.4; }
.hero .sub { color: var(--muted); font-size: 16px; max-width: 760px; margin: 0 auto; }
.meta { color: var(--muted); font-size: 13px; margin-top: 16px; }
.container { max-width: 880px; margin: 0 auto; padding: 0 20px 80px; }
h2 { color: var(--gold); font-size: 26px; margin: 56px 0 20px; padding: 12px 0 12px 16px; border-left: 4px solid var(--green); letter-spacing: 1px; }
h3 { color: var(--text); font-size: 19px; margin: 32px 0 12px; }
p { margin: 0 0 18px; }
.summary { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 28px; margin: 32px 0; }
.summary table { width: 100%; border-collapse: collapse; }
.summary td { padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 15px; }
.summary td:first-child { color: var(--muted); width: 40%; }
.summary td:last-child { color: var(--text); font-weight: 500; }
.summary tr:last-child td { border-bottom: none; }
.callout { background: rgba(0,255,136,0.08); border-left: 4px solid var(--green); padding: 16px 20px; margin: 24px 0; border-radius: 4px; font-size: 14.5px; }
.warn { background: rgba(255,180,80,0.08); border-left: 4px solid #FFB450; padding: 16px 20px; margin: 24px 0; border-radius: 4px; font-size: 14.5px; }
.cta-box { background: linear-gradient(135deg, var(--card) 0%, #252525 100%); border: 1px solid var(--border); border-radius: 16px; padding: 28px; margin: 36px 0; text-align: center; }
.cta-box h3 { color: var(--gold); margin: 0 0 12px; font-size: 22px; }
.cta-box p { color: var(--text); margin-bottom: 20px; font-size: 14.5px; }
.cta-button { display: inline-block; background: var(--green); color: var(--bg); padding: 14px 32px; border-radius: 100px; text-decoration: none; font-weight: 700; font-size: 15px; letter-spacing: 1px; transition: opacity 0.2s; margin: 6px; }
.cta-button:hover { opacity: 0.85; }
.cta-button.secondary { background: transparent; color: var(--gold); border: 2px solid var(--gold); }
ol, ul { padding-left: 24px; }
li { margin-bottom: 10px; }
.compare { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.compare th, .compare td { padding: 12px 14px; text-align: center; border: 1px solid var(--border); }
.compare th { background: var(--card); color: var(--gold); }
.compare td:first-child { background: var(--card); color: var(--muted); text-align: left; }
.faq-item { border-bottom: 1px solid var(--border); padding: 18px 0; }
.faq-item h3 { color: var(--gold); font-size: 17px; margin: 0 0 8px; }
.faq-item h3::before { content: "Q. "; color: var(--green); }
.faq-item p::before { content: "A. "; color: var(--green); font-weight: 700; }
footer { background: rgba(0,0,0,0.4); padding: 40px 20px; text-align: center; color: var(--muted); font-size: 13px; border-top: 1px solid var(--border); }
footer a { color: var(--gold); text-decoration: none; margin: 0 12px; }
.toc { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px 28px; margin: 32px 0; }
.toc h3 { color: var(--gold); margin: 0 0 12px; font-size: 18px; }
.toc ol { color: var(--muted); }
.toc a { color: var(--text); text-decoration: none; }
.toc a:hover { color: var(--green); }
.tag { display: inline-block; background: rgba(255,229,154,0.15); color: var(--gold); padding: 4px 12px; border-radius: 100px; font-size: 12px; margin: 0 6px 6px 0; }
.score { display: flex; gap: 20px; margin: 24px 0; flex-wrap: wrap; }
.score-item { flex: 1; min-width: 120px; background: var(--card); padding: 18px; border-radius: 10px; text-align: center; border: 1px solid var(--border); }
.score-item .label { color: var(--muted); font-size: 12px; }
.score-item .value { color: var(--green); font-size: 22px; font-weight: 700; margin-top: 4px; }
@media (max-width: 600px) { .hero h1 { font-size: 26px; } h2 { font-size: 22px; } .container { padding: 0 16px 60px; } }

img { max-width: 100%; height: auto; }
@media (max-width: 768px) {
  header .inner { flex-wrap: wrap; }
  header nav a { margin-left: 12px; font-size: 13px; }
  .hero { padding: 50px 16px 40px !important; }
  .hero h1 { font-size: 24px !important; line-height: 1.3 !important; }
  .container { padding: 0 16px 40px !important; }
  h2 { font-size: 20px !important; margin: 36px 0 16px !important; }
  h3 { font-size: 17px !important; }
  .compare { font-size: 12px; }
  .compare th, .compare td { padding: 8px 6px; }
  .cta-button { padding: 12px 20px; font-size: 14px; display: block; margin: 8px 0; }
  .summary { padding: 18px; }
  .summary td { font-size: 14px; }
  .toc { padding: 16px 20px; }
}