/* lp.css — ランディングページ専用スタイル（index.html から外部化／CSPと保守性向上） */
body { display: block; }
.lp-wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.lp-nav { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; position: sticky; top: 0; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(8px); z-index: 10; }
.lp-nav .brand-name { font-size: 20px; font-weight: 700; }
.lp-nav .brand-name b { color: var(--accent); }
.hero { text-align: center; padding: 56px 0 40px; }
.hero h1 { font-size: clamp(28px, 5vw, 46px); line-height: 1.25; margin: 0 0 18px; letter-spacing: -.5px; }
.hero .grad { background: linear-gradient(120deg, #6366f1, #a855f7, #ec4899); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.sub { font-size: clamp(15px, 2.5vw, 19px); color: var(--text-dim); max-width: 620px; margin: 0 auto 28px; }
.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn.lg { padding: 14px 28px; font-size: 16px; border-radius: 12px; }
.hero-pills { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 22px; }
.mock { margin: 40px auto 0; max-width: 760px; border-radius: 18px; border: 1px solid var(--border); overflow: hidden; box-shadow: var(--shadow); background: var(--card); }
.mock-bar { display: flex; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.mock-bar i { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.mock-body { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 20px; }
.mock-card { background: var(--card-2); border-radius: 12px; padding: 16px; text-align: left; }
.mock-card .big { font-size: 22px; font-weight: 800; margin-top: 6px; }
.section { padding: 56px 0; }
.section h2 { text-align: center; font-size: clamp(24px, 4vw, 34px); margin: 0 0 10px; }
.section .lead { text-align: center; color: var(--text-dim); max-width: 640px; margin: 0 auto 36px; }
.feat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feat { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.feat .ico { font-size: 30px; }
.feat h3 { margin: 12px 0 6px; font-size: 18px; }
.feat p { color: var(--text-dim); margin: 0; font-size: 14.5px; }
.link-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; max-width: 760px; margin: 0 auto; }
.link-item { display: flex; gap: 12px; align-items: center; background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 16px 18px; }
.link-item .e { font-size: 24px; }
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 840px; margin: 0 auto; }
.price { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; text-align: center; box-shadow: var(--shadow); position: relative; }
.price.best { border-color: var(--accent); border-width: 2px; }
.price .pname { font-weight: 700; color: var(--text-dim); }
.price .amt { font-size: 34px; font-weight: 800; margin: 10px 0; letter-spacing: -1px; }
.price .amt small { font-size: 15px; color: var(--text-dim); font-weight: 600; }
.price ul { list-style: none; padding: 0; margin: 16px 0; text-align: left; font-size: 14px; }
.price ul li { padding: 6px 0; border-bottom: 1px dashed var(--border); }
.price .tag { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; }
[data-theme="dark"] .price .tag { color: #0f1117; }
.faq { max-width: 720px; margin: 0 auto; }
.faq details { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; margin-bottom: 10px; }
.faq summary { font-weight: 600; cursor: pointer; }
.faq p { color: var(--text-dim); margin: 10px 0 0; }
.lp-footer { border-top: 1px solid var(--border); padding: 30px 0; text-align: center; color: var(--text-dim); font-size: 13.5px; }
.lp-footer a { color: var(--text-dim); margin: 0 8px; }
.final-cta { text-align: center; background: linear-gradient(135deg, #4f46e5, #7c3aed); color: #fff; border-radius: 22px; padding: 48px 24px; margin: 20px 0; }
.final-cta h2 { color: #fff; }
.final-cta .btn { background: #fff; color: #4f46e5; }
@media (max-width: 720px) {
  .mock-body { grid-template-columns: repeat(2, 1fr); }
  .feat-grid, .link-grid, .price-grid { grid-template-columns: 1fr; }
}