/* ============================================
   portal-lp.css — EC Assist Lab ポータルLP
   ============================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #F1F3F9;
  --surface: #FFFFFF;
  --ink: #1A2240;
  --muted: #68738F;
  --border: #DFE4EF;
  --c-sente: #2F9E6B;
  --c-review: #7535E8;
  --c-dm: #2763B8;
  --font-serif: 'Noto Serif JP', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* ── NAV ────────────────────────── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 6%;
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}
.nav-logo .accent { color: var(--c-sente); }
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--ink); }

/* ── HERO ────────────────────────── */
.hero {
  padding: 96px 6% 80px;
  text-align: center;
  background: #fff;
  position: relative;
  overflow: hidden;
}
.hero-noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.025;
  font-family: monospace;
  font-size: 11px;
  line-height: 1.9;
  color: var(--ink);
  letter-spacing: 0.12em;
  white-space: pre-wrap;
  padding: 16px;
}
.hero-badge {
  display: inline-block;
  background: #EBF4FF;
  color: var(--c-dm);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 28px;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
  margin-bottom: 22px;
  letter-spacing: -0.01em;
}
.hero h1 .green { color: var(--c-sente); }
.hero-sub {
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 500px;
  margin: 0 auto 38px;
  line-height: 1.95;
}
.hero-cta {
  display: inline-block;
  background: var(--ink);
  color: #fff;
  padding: 14px 34px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  transition: opacity .2s;
}
.hero-cta:hover { opacity: 0.8; }

/* ── PRODUCTS ────────────────────── */
.products {
  padding: 72px 5%;
  max-width: 1160px;
  margin: 0 auto;
}
.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 36px;
}
.section-eyebrow::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* ── CARD ────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(26,34,64,0.09);
}
.card-bar { height: 5px; }
.card-inner { padding: 28px 26px 26px; }
.card-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 14px;
}
.card-chip {
  display: inline-block;
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 4px;
  margin-bottom: 12px;
}
.card-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}
.card-tagline {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 20px;
}
.card-features {
  list-style: none;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-bottom: 24px;
}
.card-features li {
  font-size: 0.8rem;
  color: var(--ink);
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}
.card-features li:last-child { border-bottom: none; }
.check { flex-shrink: 0; font-size: 0.75rem; margin-top: 1px; }
.card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-price { font-size: 0.72rem; color: var(--muted); }
.card-price strong { display: block; font-size: 1.05rem; color: var(--ink); font-weight: 700; }
.card-paid-plan { display: block; font-size: 0.67rem; color: var(--muted); margin-top: 3px; }
.card-btn {
  display: inline-block;
  padding: 9px 20px;
  border-radius: 7px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity .2s;
}
.card-btn:hover { opacity: 0.85; }

/* sente EC */
.sente .card-bar  { background: var(--c-sente); }
.sente .card-icon-wrap { background: #E6F7F0; color: var(--c-sente); }
.sente .card-chip { background: #E6F7F0; color: var(--c-sente); }
.sente .check     { color: var(--c-sente); }
.sente .card-btn  { background: var(--c-sente); }

/* ECレビューアシスト */
.review .card-bar  { background: var(--c-review); }
.review .card-icon-wrap { background: #F0E8FF; color: var(--c-review); }
.review .card-chip { background: #F0E8FF; color: var(--c-review); }
.review .check     { color: var(--c-review); }
.review .card-btn  { background: var(--c-review); }

/* EC DMアシスト */
.dm .card-bar  { background: var(--c-dm); }
.dm .card-icon-wrap { background: #E8EFFE; color: var(--c-dm); }
.dm .card-chip { background: #E8EFFE; color: var(--c-dm); }
.dm .check     { color: var(--c-dm); }
.dm .card-btn  { background: var(--c-dm); }

/* ── ABOUT ───────────────────────── */
.about {
  background: var(--ink);
  padding: 80px 6%;
  text-align: center;
}
.about p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  max-width: 540px;
  margin: 0 auto 36px;
  line-height: 2;
}
.about-cta {
  display: inline-block;
  background: var(--c-sente);
  color: #fff;
  padding: 14px 34px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity .2s;
}
.about-cta:hover { opacity: 0.85; }

/* ── FOOTER ──────────────────────── */
footer {
  background: #0E1422;
  padding: 28px 6%;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 700;
  color: rgba(255,255,255,0.6);
}
.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  transition: color .2s;
}
.footer-links a:hover { color: rgba(255,255,255,0.8); }
.footer-copy {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.3);
  text-align: center;
}

/* ── RESPONSIVE ──────────────────── */
@media (max-width: 860px) {
  .product-grid { grid-template-columns: 1fr; }
  .nav-links    { display: none; }
  .hero { padding: 64px 5% 56px; }
  .hero h1 { font-size: 1.6rem; }
  .products { padding: 48px 5%; }
  .about { padding: 56px 5%; }
  .footer-top { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  .card { transition: none; }
}