/* 夜の記録 — アプリ紹介ページ専用スタイル（サイトのstyle.cssを土台に拡張） */

.lp-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 56px);
  background: linear-gradient(to bottom, color-mix(in oklab, var(--color-bg) 78%, transparent), transparent);
}
.lp-nav .brand { font-family: var(--font-mincho); font-weight: 500; font-size: 15px; letter-spacing: 0.2em; }
.lp-nav .home { font-size: 12px; letter-spacing: 0.12em; color: var(--color-neutral-300); }

.lp-section { max-width: 1080px; margin: 0 auto; padding: clamp(64px, 10vh, 120px) clamp(24px, 5vw, 56px); }
.lp-kicker { font-size: 11px; letter-spacing: 0.32em; color: var(--color-accent-300); display: block; margin-bottom: 16px; }
.lp-h2 { font-family: var(--font-mincho); font-weight: 500; font-size: clamp(22px, 3.4vw, 30px); letter-spacing: 0.08em; margin: 0 0 20px; line-height: 1.5; }

/* hero */
.lp-hero { min-height: 88vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 120px clamp(24px, 5vw, 56px) 80px; position: relative; overflow: hidden; }
.lp-hero-bg { position: absolute; inset: 0; z-index: 0; }
.lp-hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.4; mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 82%); -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 82%); }
.lp-hero-inner { position: relative; z-index: 1; max-width: 640px; animation: fadeUp 1s ease both; }
.lp-badge { font-size: 11px; letter-spacing: 0.34em; color: var(--color-accent-300); }
.lp-hero h1 { font-family: var(--font-mincho); font-weight: 500; font-size: clamp(34px, 7vw, 56px); letter-spacing: 0.12em; margin: 18px 0 24px; line-height: 1.4; }
.lp-hero p { font-size: clamp(14px, 2vw, 16px); line-height: 2.2; letter-spacing: 0.06em; color: var(--color-neutral-200); margin: 0 auto 36px; max-width: 460px; text-wrap: pretty; }
.lp-swatches { display: flex; gap: 7px; justify-content: center; margin: 0 auto 40px; max-width: 300px; }
.lp-swatches span { flex: 1; height: 30px; border-radius: 6px; border: 1px solid rgba(255,255,255,0.06); }
.lp-cta { display: flex; gap: 14px; justify-content: center; align-items: center; flex-wrap: wrap; }
.lp-cta .btn { letter-spacing: 0.12em; padding: var(--space-3) calc(var(--space-4) * 1.6); }
.lp-store-note { font-size: 11px; letter-spacing: 0.08em; color: var(--color-neutral-400); }

/* concept */
.lp-concept { border-top: 1px solid; border-image: var(--fade-rule); text-align: center; }
.lp-concept .lp-lead { font-family: var(--font-mincho); font-size: clamp(18px, 2.6vw, 24px); line-height: 2.2; letter-spacing: 0.08em; color: var(--color-neutral-100); max-width: 620px; margin: 0 auto; text-wrap: pretty; }
.lp-concept .lp-sub { font-size: 14px; line-height: 2.2; letter-spacing: 0.05em; color: var(--color-neutral-300); max-width: 560px; margin: 28px auto 0; text-wrap: pretty; }

/* features */
.lp-features { border-top: 1px solid; border-image: var(--fade-rule); }
.lp-feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: clamp(20px, 3vw, 32px); margin-top: 8px; }
.lp-feature { background: color-mix(in srgb, var(--color-surface) 60%, transparent); border: 1px solid var(--color-neutral-800); border-radius: var(--radius-lg); padding: 26px 24px; }
.lp-feature .ico { font-size: 20px; color: var(--color-accent-300); }
.lp-feature h3 { font-family: var(--font-mincho); font-weight: 500; font-size: 17px; letter-spacing: 0.06em; margin: 14px 0 10px; }
.lp-feature p { font-size: 13px; line-height: 2; letter-spacing: 0.04em; color: var(--color-neutral-300); margin: 0; }

/* screens */
.lp-screens { border-top: 1px solid; border-image: var(--fade-rule); text-align: center; }
.lp-shots { display: flex; gap: clamp(16px, 3vw, 32px); justify-content: center; flex-wrap: wrap; margin-top: 12px; }
.lp-shot { width: min(260px, 72vw); }
.lp-shot img { width: 100%; border-radius: 26px; border: 1px solid var(--color-neutral-800); box-shadow: 0 20px 50px rgba(0,0,0,0.5); display: block; }
.lp-shot span { display: block; margin-top: 16px; font-size: 12px; letter-spacing: 0.12em; color: var(--color-neutral-400); }

/* pro */
.lp-pro { border-top: 1px solid; border-image: var(--fade-rule); }
.lp-pro-card { border-radius: 22px; overflow: hidden; position: relative; padding: clamp(32px, 5vw, 56px); background: linear-gradient(135deg, #0a0b14 0%, #264a82 55%, #9188c4 120%); }
.lp-pro-card .lp-kicker { color: var(--color-accent-100); }
.lp-pro-title { font-family: var(--font-mincho); font-weight: 500; font-size: clamp(24px, 4vw, 32px); letter-spacing: 0.1em; margin: 0 0 12px; color: #fff; }
.lp-pro-lead { font-size: 15px; line-height: 2; letter-spacing: 0.05em; color: rgba(255,255,255,0.9); margin: 0 0 28px; max-width: 480px; }
.lp-pro-list { list-style: none; padding: 0; margin: 0 0 30px; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px 28px; }
.lp-pro-list li { font-size: 14px; line-height: 1.8; letter-spacing: 0.04em; color: rgba(255,255,255,0.92); padding-left: 22px; position: relative; }
.lp-pro-list li::before { content: '✦'; position: absolute; left: 0; color: var(--color-accent-200); }
.lp-pro-plans { display: flex; gap: 14px; flex-wrap: wrap; align-items: stretch; }
.lp-plan { display: flex; flex-direction: column; justify-content: center; gap: 4px; background: rgba(0,0,0,0.28); border: 1px solid rgba(255,255,255,0.2); border-radius: 16px; padding: 16px 22px; min-width: 150px; }
.lp-plan-year { border-color: var(--color-accent-200); background: rgba(0,0,0,0.4); }
.lp-plan-tag { font-size: 10px; letter-spacing: 0.12em; color: var(--color-accent-100); margin-bottom: 4px; }
.lp-plan-price { display: flex; flex-direction: column; gap: 2px; }
.lp-plan-price strong { font-family: var(--font-mincho); font-size: 22px; letter-spacing: 0.06em; color: #fff; }
.lp-plan-price span { font-size: 12px; letter-spacing: 0.06em; color: rgba(255,255,255,0.7); }
.lp-pro-trial { margin: 16px 0 0; font-size: 12px; letter-spacing: 0.06em; color: rgba(255,255,255,0.7); }

/* faq */
.lp-faq { border-top: 1px solid; border-image: var(--fade-rule); }
.lp-faq-list { margin-top: 8px; }
.lp-faq details { border-bottom: 1px solid var(--color-neutral-800); padding: 4px 0; }
.lp-faq summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 4px; position: relative; font-size: 15px; letter-spacing: 0.04em; color: var(--color-neutral-100); font-family: var(--font-mincho); }
.lp-faq summary::-webkit-details-marker { display: none; }
.lp-faq summary::after { content: '+'; position: absolute; right: 8px; top: 50%; transform: translateY(-50%); color: var(--color-accent-300); font-size: 20px; transition: transform 0.2s; }
.lp-faq details[open] summary::after { content: '−'; }
.lp-faq p { font-size: 14px; line-height: 2.1; letter-spacing: 0.04em; color: var(--color-neutral-300); margin: 0 4px 20px; text-wrap: pretty; }

/* final cta */
.lp-final { text-align: center; border-top: 1px solid; border-image: var(--fade-rule); }
.lp-final .lp-h2 { margin-bottom: 28px; line-height: 1.6; }

.lp-foot { text-align: center; padding: 40px 24px calc(40px + env(safe-area-inset-bottom)); border-top: 1px solid; border-image: var(--fade-rule); }
.lp-foot a { display: inline-block; white-space: nowrap; color: var(--color-neutral-300); font-size: 12px; letter-spacing: 0.1em; margin: 4px 10px; }

@media (prefers-reduced-motion: reduce) { .lp-hero-inner { animation: none; } }