/*
  Aggressive / Neon LP sample
  - Intentionally eye-catching
  - Static HTML/CSS/JS only
*/

:root{
  --bg0: #070914;
  --bg1: #0b1030;
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --line: rgba(255,255,255,.14);

  --neon1: #7c3aed; /* violet */
  --neon2: #22d3ee; /* cyan */
  --neon3: #f97316; /* orange */
  --neon4: #a3ff12; /* lime */

  --shadow: 0 18px 60px rgba(0,0,0,.55);
  --radius: 18px;

  --font: Inter, "Noto Sans JP", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 680px at 15% -10%, rgba(124,58,237,.55), transparent 60%),
    radial-gradient(900px 560px at 85% 0%, rgba(34,211,238,.45), transparent 60%),
    radial-gradient(900px 560px at 70% 90%, rgba(249,115,22,.22), transparent 62%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
}

a{ color: inherit; text-decoration: none; }

.skip{
  position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip:focus{
  position:fixed; left:12px; top:12px; width:auto; height:auto;
  padding:10px 12px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  z-index: 9999;
}

.wrap{
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

/* Top */
.top{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7,9,20,.50);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.top__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
}

.brand{ display:flex; align-items:center; gap: 10px; }
.brand__mark{
  width: 40px; height: 40px;
  border-radius: 14px;
  background:
    radial-gradient(18px 18px at 30% 30%, rgba(255,255,255,.80), transparent 60%),
    linear-gradient(135deg, rgba(124,58,237,.85), rgba(34,211,238,.85));
  box-shadow: 0 18px 40px rgba(124,58,237,.25), 0 18px 40px rgba(34,211,238,.18);
}
.brand__name{ font-weight: 800; letter-spacing: -0.02em; }
.brand__sub{ font-size: 12px; color: var(--muted); margin-top: 2px; }

.nav{ display:flex; align-items:center; gap: 8px; flex-wrap: wrap; justify-content:flex-end; }
.nav__link{
  color: rgba(255,255,255,.78);
  padding: 8px 10px;
  border-radius: 12px;
}
.nav__link:hover{ background: rgba(255,255,255,.08); }
.nav__btn{
  padding: 9px 12px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(124,58,237,.95), rgba(34,211,238,.95));
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 18px 40px rgba(124,58,237,.22), 0 18px 40px rgba(34,211,238,.18);
  font-weight: 800;
}
.nav__btn:hover{ filter: brightness(1.06); }

.back-to-samples{
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.86);
}
.back-to-samples:hover{ background: rgba(255,255,255,.10); }

.nav__link:focus-visible,
.nav__btn:focus-visible,
.back-to-samples:focus-visible,
.btn:focus-visible,
.qa summary:focus-visible{
  outline: 3px solid rgba(34,211,238,.45);
  outline-offset: 2px;
}

/* Hero */
.hero{ position: relative; padding: 56px 0 22px; }
.hero__bg{
  position:absolute; inset:0;
  background:
    radial-gradient(900px 540px at 10% 0%, rgba(124,58,237,.36), transparent 62%),
    radial-gradient(820px 520px at 90% 10%, rgba(34,211,238,.30), transparent 60%),
    radial-gradient(900px 520px at 50% 90%, rgba(249,115,22,.20), transparent 62%);
  pointer-events:none;
}
.hero__inner{
  position: relative;
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 18px;
  align-items: center;
}

.badge{
  display:inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.86);
  font-weight: 700;
  letter-spacing: .02em;
}
.hero__title{
  margin: 14px 0 10px;
  font-size: clamp(30px, 3.6vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.hero__title{
  background: linear-gradient(135deg, rgba(255,255,255,.98), rgba(255,255,255,.78), rgba(34,211,238,.92));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead{ margin: 0 0 16px; color: var(--muted); max-width: 52ch; }

.hero__cta{ display:flex; gap: 10px; flex-wrap: wrap; }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.90);
  font-weight: 800;
  transition: transform .15s ease, filter .15s ease, box-shadow .15s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn--primary{
  background: linear-gradient(135deg, rgba(124,58,237,.96), rgba(34,211,238,.92));
  box-shadow: 0 18px 40px rgba(124,58,237,.22), 0 18px 40px rgba(34,211,238,.18);
}
.btn--primary:hover{ filter: brightness(1.05); }
.btn--ghost:hover{ background: rgba(255,255,255,.10); }
.btn--full{ width: 100%; }

.trust{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
}
.trust__item{
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
}
.trust__k{ display:block; font-size: 12px; color: rgba(255,255,255,.68); }
.trust__v{ display:block; font-size: 14px; }
.trust__v strong{ font-size: 22px; }

/* Mock */
.hero__visual{ display:flex; justify-content: flex-end; }
.mock{
  width: min(420px, 100%);
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.mock__top{
  display:flex;
  align-items:center;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
}
.dot{ width:10px; height:10px; border-radius: 999px; display:inline-block; }
.dot--r{ background: #ff3b30; }
.dot--y{ background: #ffcc00; }
.dot--g{ background: #34c759; }
.mock__title{ margin-left: 8px; color: rgba(255,255,255,.80); font-weight: 800; }
.mock__body{ padding: 14px; }

.mini-card{
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  padding: 12px;
  margin-bottom: 10px;
}
.mini-card__k{ font-size: 12px; color: rgba(255,255,255,.68); }
.mini-card__v{ font-size: 34px; font-weight: 900; letter-spacing: -0.02em; }
.mini-card__s{ font-size: 12px; color: rgba(163,255,18,.85); }

.spark{
  display:flex;
  gap: 6px;
  align-items:flex-end;
  height: 90px;
  margin-top: 6px;
}
.spark__bar{
  flex: 1;
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(34,211,238,.92), rgba(124,58,237,.92));
  box-shadow: 0 10px 24px rgba(34,211,238,.10);
}
.mock__note{ font-size: 12px; color: rgba(255,255,255,.62); margin-top: 10px; }

/* Sections */
.section{ padding: 60px 0; }
.section--alt{
  background:
    radial-gradient(900px 520px at 10% 0%, rgba(124,58,237,.18), transparent 60%),
    radial-gradient(900px 520px at 90% 0%, rgba(34,211,238,.12), transparent 60%),
    rgba(255,255,255,.02);
  border-top: 1px solid rgba(255,255,255,.10);
  border-bottom: 1px solid rgba(255,255,255,.10);
}

.section__head{ margin-bottom: 18px; }
.section__title{ margin:0 0 6px; font-size: 22px; letter-spacing: -0.01em; }
.section__lead{ margin:0; color: rgba(255,255,255,.70); }

.grid3{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.fcard{
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  padding: 16px;
  box-shadow: 0 18px 50px rgba(0,0,0,.35);
}
.fcard__icon{ font-size: 20px; }
.fcard__title{ margin: 8px 0 6px; font-size: 16px; }
.fcard__text{ margin: 0; color: rgba(255,255,255,.72); }

.split{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.split__title{ margin: 0 0 8px; font-size: 18px; }
.split__text{ margin: 0 0 12px; color: rgba(255,255,255,.72); }

.list{ margin:0; padding-left: 1.1em; color: rgba(255,255,255,.78); }
.list li{ margin: 6px 0; }
.chip{
  display:inline-block;
  padding: 4px 10px;
  margin-right: 8px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.86);
  font-weight: 800;
  font-size: 12px;
}

.kpi{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.kpi__item{
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  padding: 14px;
}
.kpi__k{ font-size: 12px; color: rgba(255,255,255,.65); }
.kpi__v{ font-size: 28px; font-weight: 900; letter-spacing: -0.02em; margin-top: 6px; }
.kpi__s{ font-size: 12px; color: rgba(255,255,255,.70); margin-top: 6px; }

/* Pricing */
.pricing{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.price{
  position: relative;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  padding: 16px;
  box-shadow: 0 18px 50px rgba(0,0,0,.35);
}
.price--hot{
  border-color: rgba(34,211,238,.35);
  box-shadow: 0 22px 70px rgba(34,211,238,.12), 0 22px 70px rgba(124,58,237,.10);
}
.ribbon{
  position:absolute;
  top: 12px;
  right: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(34,211,238,.85), rgba(124,58,237,.85));
  border: 1px solid rgba(255,255,255,.18);
  font-weight: 900;
  font-size: 12px;
}
.price__name{ margin: 0 0 8px; font-size: 16px; }
.price__price{ font-size: 34px; font-weight: 900; letter-spacing: -0.02em; }
.price__meta{ color: rgba(255,255,255,.70); font-size: 12px; margin-top: 6px; }
.price__list{ margin: 12px 0 14px; padding-left: 1.1em; color: rgba(255,255,255,.78); }
.price__list li{ margin: 6px 0; }

/* FAQ */
.faq{ display:grid; gap: 10px; }
.qa{
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  padding: 12px 14px;
}
.qa summary{
  cursor: pointer;
  font-weight: 900;
}
.qa__a{ color: rgba(255,255,255,.72); margin-top: 8px; }

/* CTA */
.section--cta{
  background:
    radial-gradient(1000px 620px at 20% 10%, rgba(124,58,237,.28), transparent 60%),
    radial-gradient(900px 520px at 85% 10%, rgba(34,211,238,.20), transparent 60%),
    rgba(255,255,255,.02);
  border-top: 1px solid rgba(255,255,255,.10);
}
.cta{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 14px; align-items: start; }
.cta__title{ margin:0 0 8px; font-size: 24px; letter-spacing: -0.02em; }
.cta__text{ margin:0 0 12px; color: rgba(255,255,255,.72); }

.cta__box{
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  box-shadow: var(--shadow);
  padding: 16px;
}
.cta__mini{ color: rgba(255,255,255,.78); font-weight: 900; margin-bottom: 10px; }
.cta__note{ color: rgba(255,255,255,.62); font-size: 12px; margin-top: 10px; }

/* Footer */
.footer{ padding: 28px 0 44px; border-top: 1px solid rgba(255,255,255,.10); }
.footer__inner{ display:flex; align-items:flex-start; justify-content: space-between; gap: 12px; }
.footer__brand{ font-weight: 900; }
.footer__small{ color: rgba(255,255,255,.65); font-size: 12px; margin-top: 4px; }
.footer__links{ display:flex; gap: 12px; flex-wrap: wrap; }
.footer__link{ color: rgba(255,255,255,.72); }
.footer__link:hover{ text-decoration: underline; }

/* Responsive */
@media (max-width: 980px){
  .hero__inner{ grid-template-columns: 1fr; }
  .hero__visual{ justify-content: flex-start; }
  .grid3{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .kpi{ grid-template-columns: 1fr; }
  .pricing{ grid-template-columns: 1fr; }
  .cta{ grid-template-columns: 1fr; }
}

@media (max-width: 640px){
  .nav{ display:none; }
  .trust{ grid-template-columns: 1fr; }
}