:root{color-scheme:light;--bg: #f7f8fb;--bg-strong: #eef1f7;--paper: #ffffff;--paper-strong: #ffffff;--ink: #0f1530;--muted: #5b6478;--line: rgba(15, 21, 48, .08);--accent: #4f46e5;--accent-strong: #3730a3;--accent-soft: #eef2ff;--warm: #db2777;--shadow: 0 8px 24px rgba(15, 21, 48, .06), 0 2px 6px rgba(15, 21, 48, .04);--shadow-lg: 0 24px 60px rgba(79, 70, 229, .18);--radius-card: 16px;--radius-lg: 24px;--font-body: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "Segoe UI", sans-serif;--font-display: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "Segoe UI", sans-serif;font-family:var(--font-body)}*{box-sizing:border-box}html{background:radial-gradient(ellipse at top,rgba(99,102,241,.12),transparent 60%),linear-gradient(180deg,#ffffff 0%,var(--bg) 100%);color:var(--ink)}body{margin:0;min-width:320px;font-size:16px;line-height:1.7;background:transparent}.article-shell h1,.home-hero h1,.app-hero h1{font-weight:800;letter-spacing:-.02em;font-size:clamp(1.85rem,5.6vw,3.4rem)}.article-hero{background:linear-gradient(135deg,var(--accent-soft) 0%,#ffffff 70%);border-radius:var(--radius-lg);padding:clamp(20px,5vw,40px);border:1px solid var(--line);margin:18px 0 24px}.article-hero .eyebrow{display:inline-block;padding:4px 12px;background:var(--accent);color:#fff;border-radius:999px;font-size:.72rem}.intent-card,.app-card,.related-card,.metric-card,.stat-card,.hero-panel,.howto-block,.faq-block,.related-block{background:var(--paper)!important;border-radius:var(--radius-card)!important}.app-cta-primary,a[data-cta-primary],.cta-primary{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:14px 22px;border-radius:12px;background:var(--accent);color:#fff!important;font-weight:700;letter-spacing:.01em;box-shadow:var(--shadow-lg)}.app-cta-primary:hover,a[data-cta-primary]:hover,.cta-primary:hover{background:var(--accent-strong);transform:translateY(-1px)}@media(max-width:640px){.article-shell{padding-left:16px;padding-right:16px}body{line-height:1.65}}a{color:inherit;text-decoration:none;transition:transform .16s ease,border-color .16s ease,background-color .16s ease,color .16s ease,box-shadow .16s ease}.site-header{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:1120px;margin:0 auto;padding:20px 20px 12px}.brand{font-weight:800;letter-spacing:.04em;text-transform:uppercase}.header-link,.header-note{color:var(--muted);font-size:.92rem}.home-hero,.app-hero{max-width:1120px;margin:0 auto;padding:54px 20px 36px}.home-hero h1,.app-hero h1,.article-shell h1{max-width:960px;margin:10px 0 18px;font-family:var(--font-display);font-size:clamp(2.3rem,6vw,5rem);line-height:1.06;letter-spacing:0}.home-hero p,.app-hero p{max-width:760px;color:var(--muted);font-size:1.08rem}.eyebrow{margin:0 0 10px;color:var(--warm);font-size:.82rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.home-hero-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.8fr);gap:22px;align-items:start}.hero-panel,.metric-card,.stat-card,.intent-card,.app-card,.related-card,.article-list a,.howto-block,.faq-block,.related-block,details{border:1px solid var(--line);border-radius:22px;background:var(--paper);box-shadow:var(--shadow)}.hero-panel,.metric-card,.stat-card,.intent-card{padding:20px}.hero-panel span,.metric-card span,.stat-card span,.intent-card span{display:block;color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.hero-panel strong,.metric-card strong,.stat-card strong,.intent-card strong{display:block;margin-top:10px;font-size:1.15rem;line-height:1.35}.hero-panel p,.metric-card p,.stat-card p,.intent-card p{margin:10px 0 0;color:var(--muted);font-size:.96rem}.home-metrics,.app-hero-stats,.article-intent-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-top:24px}.home-section{max-width:1120px;margin:0 auto;padding:26px 20px 56px}.home-section--tight{padding-top:4px}.home-section h2,.article-shell h2{margin:0 0 18px;font-size:1.45rem;line-height:1.25}.app-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}.app-card,.related-card,.article-list a{display:block;padding:20px}.app-card span,.related-card span,.article-list span{display:block;color:var(--accent);font-size:.76rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.app-card strong,.related-card strong,.article-list strong{display:block;margin-top:6px;line-height:1.35}.app-card p{margin:8px 0 0;color:var(--muted);font-size:.94rem}.app-card:hover,.related-card:hover,.article-list a:hover{transform:translateY(-2px);border-color:#0d6c6147}.article-list{display:grid;gap:12px}.article-shell{max-width:940px;margin:0 auto;padding:20px 20px 120px}.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:.88rem;margin-bottom:18px}.breadcrumb a{color:var(--accent-strong)}.article-hero{display:grid;gap:18px}.article-lead{margin:0;max-width:48rem;color:var(--muted);font-size:1.08rem}.article-body{margin-top:30px}.article-body>:first-child{margin-top:0}.article-body p,.article-body li{color:#2f3634}.article-body h2,.howto-block h2,.faq-block h2,.related-block h2,.app-cta h2{margin-top:38px}.article-body a{color:var(--accent-strong);text-decoration:underline;text-underline-offset:3px}.article-body ol,.howto-block ol{padding-left:1.4rem}.howto-block,.faq-block,.related-block,.app-cta{margin-top:34px}.howto-block,.faq-block,.related-block{padding:24px}.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.app-cta{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(220px,.85fr);gap:20px;align-items:center;background:linear-gradient(135deg,#d5ebe6f2,#fffdf8f5),var(--paper-strong);padding:24px}.app-cta--hero{background:linear-gradient(135deg,#0d6c6124,#fffdf8fa),var(--paper-strong)}.app-cta--related,.app-cta--final{background:linear-gradient(135deg,#e8dcc9e0,#fffdf8fa),var(--paper-strong)}.app-cta__copy h2{margin:4px 0 8px;font-size:1.3rem;line-height:1.3}.app-cta__copy p{margin:0;color:var(--muted)}.cta-kicker{color:var(--accent-strong)!important;font-size:.8rem;font-weight:800}.cta-actions{display:grid;gap:10px;min-width:0}.cta-primary{display:inline-flex;justify-content:center;align-items:center;min-height:48px;border-radius:14px;background:var(--accent);color:#fff;font-weight:800;padding:0 18px;box-shadow:0 14px 26px #0d6c6133}.cta-primary:hover{transform:translateY(-1px);background:var(--accent-strong)}.store-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.store-row a{border:1px solid var(--line);border-radius:999px;background:var(--paper-strong);padding:8px 12px;color:var(--accent-strong);font-size:.85rem;font-weight:700}.cta-note{margin:0;color:var(--muted);font-size:.84rem}.faq-list{display:grid;gap:10px}details{padding:14px 16px}summary{cursor:pointer;font-weight:800}details p{margin:10px 0 0;color:var(--muted)}.mobile-sticky-wrap{display:none}@media(max-width:720px){.site-header{align-items:flex-start;flex-direction:column}.home-hero,.app-hero{padding-top:34px}.home-hero-grid{grid-template-columns:1fr}.app-cta{grid-template-columns:1fr;padding:20px}.cta-actions{min-width:0}.article-shell{padding-bottom:150px}.mobile-sticky-wrap{display:block}.app-cta--sticky{position:fixed;left:12px;right:12px;bottom:12px;z-index:20;display:grid;grid-template-columns:minmax(0,1fr);gap:12px;padding:16px;border-radius:18px;background:#0c1b18f5;border-color:#ffffff14;box-shadow:0 18px 40px #06100e52}.app-cta--sticky .cta-kicker,.app-cta--sticky h2,.app-cta--sticky p,.app-cta--sticky .cta-note{color:#fff!important}.app-cta--sticky .store-row a{background:#ffffff14;border-color:#ffffff29;color:#fff}}@media(min-width:721px){.app-cta--sticky{display:none}}