:root {
  color-scheme: dark;
  --bg: #070b14;
  --surface: #0d1424;
  --surface-2: #121c30;
  --line: rgba(255,255,255,.10);
  --text: #f6f8ff;
  --muted: #9ba7be;
  --accent: #73e6b2;
  --accent-2: #7aa5ff;
  --max: 1160px;
  font-family: Inter, "Noto Sans JP", "Hiragino Kaku Gothic ProN", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: radial-gradient(circle at 80% 10%, rgba(74,113,194,.20), transparent 31rem), var(--bg); color: var(--text); line-height: 1.75; }
a { color: inherit; }
.site-header { width: min(var(--max), calc(100% - 40px)); height: 78px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 750; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; color: #07120e; background: linear-gradient(135deg,var(--accent),#d9ff7d); font-weight: 900; }
nav { display: flex; gap: 26px; }
nav a, footer a { color: var(--muted); text-decoration: none; font-size: .9rem; }
nav a:hover, footer a:hover { color: var(--text); }
.hero { width: min(var(--max), calc(100% - 40px)); min-height: 650px; margin: 0 auto; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 80px; padding: 88px 0; }
.eyebrow { margin: 0 0 13px; color: var(--accent); font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1,h2,h3,p { margin-top: 0; }
h1 { margin-bottom: 26px; font-size: clamp(3rem, 6vw, 5.8rem); line-height: 1.02; letter-spacing: -.065em; }
h1 span { color: var(--accent); }
h2 { margin-bottom: 18px; font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.14; letter-spacing: -.045em; }
.lead { max-width: 660px; color: #bdc7d9; font-size: 1.12rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 20px; border: 1px solid var(--line); border-radius: 13px; text-decoration: none; font-weight: 750; }
.button.primary { color: #06110d; background: var(--accent); border-color: var(--accent); }
.button.secondary { background: rgba(255,255,255,.04); }
.timer-card { position: relative; padding: 28px; border: 1px solid rgba(255,255,255,.13); border-radius: 24px; background: linear-gradient(145deg,rgba(19,29,50,.95),rgba(10,16,30,.95)); box-shadow: 0 40px 100px rgba(0,0,0,.38); overflow: hidden; }
.timer-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg,var(--accent),var(--accent-2)); }
.card-topline,.sequence-row { display: flex; justify-content: space-between; align-items: center; color: var(--muted); }
.status { color: var(--accent); font-size: .85rem; }
.status i { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 6px rgba(115,230,178,.1); }
.timer-card > strong { display: block; margin: 28px 0 34px; font-size: clamp(2.6rem, 6vw, 4.8rem); line-height: 1; letter-spacing: -.055em; font-variant-numeric: tabular-nums; }
.sequence-row b { color: var(--text); }
.bar { height: 7px; margin: 13px 0 28px; border-radius: 99px; background: rgba(255,255,255,.08); overflow: hidden; }
.bar span { display:block; height:100%; background: linear-gradient(90deg,var(--accent),var(--accent-2)); }
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.metric-grid div { padding: 15px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.025); }
.metric-grid small,.metric-grid b { display:block; }
.metric-grid small { color:var(--muted); }
.trust-strip { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; padding: 22px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: .88rem; }
.trust-strip span::before { content: "✓"; margin-right: 8px; color: var(--accent); }
.section { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; padding: 128px 0; }
.section-heading { max-width: 760px; }
.section-heading > p:last-child,.data-intro > p:last-child,.cta-section > p { color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 48px; }
.feature-grid article { min-height: 245px; padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: linear-gradient(160deg,rgba(18,28,48,.82),rgba(9,14,26,.82)); }
.feature-grid article > span { color: var(--accent); font-size: .75rem; font-weight: 850; letter-spacing: .15em; }
.feature-grid h3 { margin: 34px 0 10px; font-size: 1.25rem; }
.feature-grid p { color: var(--muted); }
.split-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; border-top: 1px solid var(--line); }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.steps li { position: relative; padding: 0 0 30px 56px; border-left: 1px solid var(--line); }
.steps li:last-child { padding-bottom: 0; border-color: transparent; }
.steps li::before { counter-increment: step; content: counter(step); position: absolute; left: -18px; top: -2px; display: grid; place-items:center; width: 35px; height: 35px; border-radius: 50%; color:#07120e; background: var(--accent); font-size: .8rem; font-weight: 900; }
.steps b,.steps span { display:block; }
.steps span { color: var(--muted); }
.data-section { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; padding-right: 50px; padding-left: 50px; border: 1px solid var(--line); border-radius: 28px; background: linear-gradient(135deg,rgba(16,25,43,.9),rgba(8,13,24,.9)); }
.data-list > div { padding: 21px 0; border-bottom: 1px solid var(--line); }
.data-list > div:first-child { padding-top:0; }
.data-list b { font-size:1.05rem; }
.data-list p { margin: 4px 0 0; color:var(--muted); }
code { color:#bde7ff; font-family: ui-monospace,SFMono-Regular,Menlo,monospace; }
.text-link { display:inline-block; margin-top: 24px; color:var(--accent); text-decoration:none; font-weight:750; }
.cta-section { width: min(900px,calc(100% - 40px)); margin: 120px auto; padding: 70px; text-align:center; border-radius:28px; background: radial-gradient(circle at 50% 0,rgba(115,230,178,.22),transparent 22rem),var(--surface); border:1px solid var(--line); }
.cta-section .button { margin-top:18px; }
footer { width:min(var(--max),calc(100% - 40px)); margin:0 auto; padding:38px 0 50px; border-top:1px solid var(--line); color:var(--muted); font-size:.84rem; }
footer > div { display:flex; justify-content:space-between; gap:24px; margin-bottom:14px; }
footer > div:first-child span { margin-left:18px; }
footer > div:nth-child(2) { justify-content:flex-start; }
footer > div:nth-child(2) a { margin-right:20px; }
.legal-page { width:min(900px,calc(100% - 40px)); margin:0 auto; padding:100px 0 140px; }
.legal-title { padding-bottom:42px; border-bottom:1px solid var(--line); }
.legal-title h1 { margin-bottom:14px; font-size:clamp(2.7rem,6vw,4.8rem); }
.legal-title > p:last-child { color:var(--muted); }
.legal-body { padding-top:50px; }
.legal-body h2 { margin:54px 0 14px; font-size:1.45rem; letter-spacing:-.025em; }
.legal-body h3 { margin:26px 0 8px; font-size:1.05rem; }
.legal-body p,.legal-body li { color:#bdc7d9; }
.legal-body a { color:var(--accent); }
.legal-body li + li { margin-top:7px; }
@media (max-width: 840px) {
  .site-header { height:auto; padding:20px 0; align-items:flex-start; }
  nav { gap:14px; flex-wrap:wrap; justify-content:flex-end; }
  .hero { grid-template-columns:1fr; min-height:auto; gap:55px; padding:70px 0 90px; }
  .feature-grid,.split-section,.data-section { grid-template-columns:1fr; }
  .feature-grid article { min-height:auto; }
  .split-section,.data-section { gap:45px; }
  .trust-strip { flex-wrap:wrap; justify-content:flex-start; }
}
@media (max-width: 560px) {
  .site-header nav a:not(:last-child) { display:none; }
  h1 { font-size:2.9rem; }
  .section { padding:90px 0; }
  .data-section,.cta-section { padding:40px 24px; }
  .metric-grid { grid-template-columns:1fr; }
  footer > div { display:block; }
  footer > div:first-child span { display:block; margin:4px 0 0; }
}