:root {
  --bg: #040915;
  --bg-2: #0b1830;
  --panel: rgba(13, 28, 52, 0.78);
  --panel-2: rgba(20, 39, 70, 0.84);
  --text: #f7f9fc;
  --muted: #b8c4d6;
  --line: rgba(255, 255, 255, 0.14);
  --accent: #86dcff;
  --accent-2: #b6a8ff;
  --warm: #ffd98c;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 10%, rgba(134, 220, 255, 0.24), transparent 30%),
    radial-gradient(circle at 82% 18%, rgba(255, 217, 140, 0.13), transparent 30%),
    radial-gradient(circle at 54% 72%, rgba(182, 168, 255, 0.12), transparent 34%),
    linear-gradient(140deg, #030713 0%, #0b1830 46%, #050914 100%);
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.75), transparent 80%);
}

a { color: inherit; text-decoration: none; }
.site-shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  min-height: 86px; position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(18px); background: rgba(3, 7, 19, 0.64);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 14px; }
.brand-mark {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 14px;
  color: #071226; font-weight: 900; letter-spacing: -0.08em;
  background: linear-gradient(135deg, var(--accent), var(--warm));
  box-shadow: 0 0 34px rgba(100, 210, 255, 0.24);
}
.brand-text { display: grid; gap: 2px; }
.brand-text strong { font-size: 16px; letter-spacing: 0.02em; }
.brand-text span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.12em; }
.nav { display: flex; gap: 28px; font-size: 13px; color: var(--muted); }
.nav a:hover { color: var(--text); }

.section { padding: 92px 0; }
.section-grid { display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 68px; align-items: center; padding: 90px 0 70px; }
.eyebrow { margin: 0 0 18px; color: var(--accent); font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; font-weight: 700; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(42px, 5.8vw, 82px); line-height: 1.02; letter-spacing: -0.065em; margin-bottom: 26px; }
h2 { font-size: clamp(30px, 4vw, 56px); line-height: 1.05; letter-spacing: -0.055em; margin-bottom: 22px; }
h3 { font-size: 22px; letter-spacing: -0.03em; margin-bottom: 14px; }
p { color: var(--muted); line-height: 1.9; }
.lead { max-width: 720px; font-size: 18px; }
.maker-note { display: inline-flex; align-items: center; margin: 8px 0 0; padding: 8px 12px; border: 1px solid rgba(255, 217, 140, .24); border-radius: 999px; color: #ffe4a8; background: rgba(255, 217, 140, .08); font-size: 12px; line-height: 1.5; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px;
  border-radius: 999px; border: 1px solid var(--line); font-weight: 700; font-size: 14px;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.28); }
.button.primary { color: #03111f; background: linear-gradient(135deg, var(--accent), #d8f4ff); border: none; }
.button.ghost { background: rgba(255,255,255,0.04); }

.hero-panel {
  position: relative; padding: 22px; border-radius: 32px; background: linear-gradient(145deg, rgba(18, 38, 70, .86), rgba(4, 12, 28, .88));
  border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden;
}
.hero-panel::after { content: ""; position: absolute; inset: auto -10% -25% 12%; height: 180px; background: radial-gradient(circle, rgba(100,210,255,.26), transparent 68%); }
.panel-topline { display: flex; gap: 8px; margin-bottom: 24px; }
.panel-topline span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.28); }
.cue-card, .cue-row > div {
  position: relative; z-index: 1; border: 1px solid var(--line); border-radius: 24px; background: rgba(255,255,255,.055); padding: 24px;
}
.cue-card small, .cue-row small { display: block; color: var(--accent); font-size: 11px; letter-spacing: .18em; margin-bottom: 14px; }
.cue-card strong { display: block; font-size: clamp(48px, 7vw, 82px); letter-spacing: -0.075em; line-height: 1; }
.cue-card span, .cue-row span { color: var(--muted); display: block; margin-top: 12px; }
.cue-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
.cue-row strong { font-size: 34px; letter-spacing: -0.05em; }
.progress-line { height: 7px; border-radius: 999px; background: rgba(255,255,255,.1); margin-top: 22px; overflow: hidden; }
.progress-line span { display: block; width: 64%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--accent), var(--warm)); }

.section-heading { max-width: 760px; margin-bottom: 34px; }
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.tool-card { min-height: 280px; padding: 28px; border: 1px solid var(--line); border-radius: 28px; background: linear-gradient(160deg, rgba(18, 36, 66, .84), rgba(9, 19, 40, .78)); box-shadow: 0 18px 50px rgba(0,0,0,.18); }
.status { display: inline-flex; margin-bottom: 40px; padding: 7px 11px; border-radius: 999px; color: var(--warm); background: rgba(244,199,107,.1); border: 1px solid rgba(244,199,107,.22); font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.split { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; align-items: start; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.mission-text { display: grid; gap: 20px; }
.roadmap { padding-bottom: 54px; }
.timeline { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.timeline li { display: grid; grid-template-columns: 70px 1fr; gap: 20px; align-items: start; padding: 24px; border: 1px solid var(--line); border-radius: 26px; background: var(--panel-2); }
.timeline span { color: var(--accent); font-size: 13px; letter-spacing: .16em; font-weight: 900; }
.timeline strong { display: block; margin-bottom: 6px; }
.timeline p { margin: 0; }
.contact-card { padding: clamp(30px, 6vw, 64px); border-radius: 34px; background: linear-gradient(135deg, rgba(134,220,255,.14), rgba(255,217,140,.10)); border: 1px solid var(--line); }
.site-footer { display: flex; justify-content: space-between; gap: 20px; padding: 34px 0 50px; border-top: 1px solid var(--line); font-size: 13px; }
.site-footer p { margin: 0; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 920px) {
  .site-shell { width: min(100% - 26px, 720px); }
  .site-header { min-height: 76px; }
  .nav { display: none; }
  .section-grid, .split { grid-template-columns: 1fr; gap: 38px; }
  .section { padding: 70px 0; }
  .card-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  h1 { font-size: 40px; }
  .maker-note { border-radius: 18px; }
  .brand-text span { display: none; }
  .card-grid, .cue-row { grid-template-columns: 1fr; }
  .tool-card { min-height: auto; }
  .status { margin-bottom: 24px; }
  .timeline li { grid-template-columns: 1fr; gap: 10px; }
  .site-footer { display: grid; }
}