/* After Support LP styles (scoped with lp- prefix) */
:root {
  --lp-ink: #0f172a;
  --lp-ink-weak: #475569;
  --lp-white: #ffffff;
  --lp-brand: #2563eb;
  --lp-brand-strong: #1d4ed8;
  --lp-accent: #f59e0b;
  --lp-muted: #f1f5f9;
  --lp-border: #e2e8f0;
  --lp-radius: 16px;
  --lp-shadow: 0 6px 24px rgba(2, 6, 23, .08);
  --lp-w: min(1120px, 92vw);
}

html, body { height: 100%; }
body { font-family: "Noto Sans JP", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial; margin: 0; color: var(--lp-ink); line-height: 1.75; background: #ffffff; }

.lp-container { width: var(--lp-w); margin-inline: auto; }
.lp-section { padding: 72px 0; }

/* Skip link */
.lp-skip { position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden; }
.lp-skip:focus { position: fixed; left: 16px; top: 16px; width: auto; height: auto; padding: 8px 12px; background: #000; color:#fff; border-radius: 6px; z-index: 9999; }

/* Header (placeholder; replace with site header HTML/CSS in prod) */
.lp-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.85); backdrop-filter: saturate(180%) blur(10px); border-bottom: 1px solid var(--lp-border); }
.lp-header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.lp-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--lp-ink); font-weight: 700; }
.lp-brand svg { width: 28px; height: 28px; }
.lp-nav a { color: var(--lp-ink); text-decoration: none; margin-left: 20px; font-weight: 600; }
.lp-nav a:hover { color: var(--lp-brand); }

/* Hero */
.lp-hero { background-color: #d9e9ff; background-image: url('../img/lp-after-hero-pc.jpg'); background-size: cover; background-position: center; background-repeat: no-repeat; padding: 96px 0 72px; }
.lp-hero h1 { font-size: clamp(28px, 4.5vw, 44px); line-height: 1.25; margin: 0 0 16px; font-weight: 800; letter-spacing: .01em; }
.lp-lead { font-size: clamp(16px, 2.6vw, 20px); color: var(--lp-ink-weak); margin: 0 0 28px; }

.lp-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.lp-btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 18px; border-radius: 999px; border: 1px solid transparent; font-weight: 700; text-decoration: none; transition: transform .05s ease, box-shadow .2s ease, background .2s ease; }
.lp-btn:focus-visible { outline: 3px solid #93c5fd; outline-offset: 2px; }
.lp-btn-primary { background: var(--lp-brand); color: var(--lp-white); box-shadow: var(--lp-shadow); }
.lp-btn-primary:hover { background: var(--lp-brand-strong); transform: translateY(-1px); }
.lp-btn-secondary { background: #eef2ff; color: #1e293b; border-color: #c7d2fe; }
.lp-btn-secondary:hover { background: #e0e7ff; }
.lp-btn-accent { background: var(--lp-accent); color: var(--lp-white); }

/* Content */
.lp-grid { display: grid; gap: 24px; }
.lp-grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.lp-grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.lp-card { background: #fff; border: 1px solid var(--lp-border); border-radius: var(--lp-radius); padding: 20px; box-shadow: var(--lp-shadow); }
.lp-kicker { display: inline-block; font-weight: 700; color: var(--lp-brand); letter-spacing: .08em; text-transform: uppercase; font-size: 12px; }
.lp-muted { color: var(--lp-ink-weak); }
h2 { font-size: clamp(22px, 3.5vw, 32px); margin: 8px 0 16px; }

.lp-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.lp-list li { display: grid; grid-template-columns: 28px 1fr; align-items: start; gap: 10px; }
.lp-bullet { width: 28px; height: 28px; border-radius: 50%; background: #e0f2fe; display: grid; place-items: center; font-weight: 800; color: var(--lp-brand); }

/* Plans */
.lp-plans { background: #f8fafc; }
.lp-plan-columns { display: grid; gap: 28px; grid-template-columns: repeat(2, minmax(0,1fr)); }
.lp-plan-card { border-radius: 20px; padding: 22px; border: 1px solid var(--lp-border); background: #fff; box-shadow: var(--lp-shadow); }
.lp-plan-left { background-color: #e6f2ff; box-shadow: 0 2px 6px rgba(0,0,0,0.05); padding: 20px; border-radius: 8px; }
.lp-plan-right { background-color: #cce0ff; box-shadow: 0 2px 6px rgba(0,0,0,0.05); padding: 20px; border-radius: 8px; }
.lp-plan-left .lp-plan-head h3, .lp-plan-right .lp-plan-head h3 { color: #004080; }
.lp-cta-btn { color: #fff; background-color: #0078d4; border-radius: 8px; padding: 12px 24px; text-align: center; display: inline-block; transition: background-color 0.3s; text-decoration: none; margin-top: 12px; }
.lp-cta-btn:hover { background-color: #005ea0; }
.lp-list.lp-card.lp-reveal { padding: 20px; }
.lp-plan-image { width: 100%; height: auto; border-radius: 12px; display: block; margin-bottom: 12px; }
.lp-plan-card h3 { margin: 0 0 6px; font-size: 20px; }
.lp-price { font-size: 24px; font-weight: 800; color: var(--lp-brand-strong); margin: 0 0 10px; }
.lp-feature { margin: 0; padding-left: 18px; }
.lp-feature li { margin: 6px 0; }
.lp-note { font-size: 12px; color: var(--lp-ink-weak); }
.lp-plan-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 10px; }

/* CTA */
.lp-cta { background: linear-gradient(180deg, #0ea5e9 0%, #2563eb 100%); color: #fff; text-align: center; border-radius: 24px; padding: 36px; box-shadow: var(--lp-shadow); }
.lp-cta h2 { color: #fff; margin-top: 0; }
.lp-cta p { color: #e2e8f0; }

/* Cross-sell */
.lp-cross { background: #ffffff; border: 1px solid var(--lp-border); border-radius: 20px; padding: 24px; box-shadow: var(--lp-shadow); }
.lp-cross-inner { display: grid; gap: 16px; grid-template-columns: 180px 1fr; align-items: center; }
.lp-cross-inner img { width: 100%; height: auto; border-radius: 12px; }

/* Footer (placeholder) */
.lp-footer { background: #0b1220; color: #cbd5e1; padding: 48px 0; }
.lp-footer a { color: #93c5fd; }
.lp-footer-title { margin:0 0 10px; font-weight:700; }
.lp-footnote { margin:0; font-size: 14px; }

/* Utilities */
.lp-center { text-align: center; }
.lp-space-s { height: 12px; }
.lp-space-m { height: 24px; }
.lp-space-l { height: 40px; }

/* Reveal on scroll */
.lp-reveal { opacity: 0; transform: translateY(12px); transition: opacity .6s ease, transform .6s ease; }
.lp-reveal.lp-is-visible { opacity: 1; transform: none; }

/* Form */
.lp-input, .lp-textarea { width:100%; padding:12px; border:1px solid var(--lp-border); border-radius:10px; font: inherit; }

/* Responsive */
@media (max-width: 900px) {
  .lp-nav { display: none; }
  .lp-plan-columns, .lp-grid-2, .lp-grid-3 { grid-template-columns: 1fr; }
  .lp-cross-inner { grid-template-columns: 1fr; }
  .lp-hero { background-image: url('../img/lp-after-hero-sp.jpg'); }
  .lp-hero { padding: 20px 0 130px; }
  .lp-lead { margin: 0 0 28px; }
}

@media (prefers-reduced-motion: reduce) {
  .lp-reveal { opacity: 1 !important; transform: none !important; }
  .lp-btn { transition: none; }
}