:root{--bg: #faf9f7;--surface: #ffffff;--surface-sunken: #f4f2ee;--border: #e7e5e1;--border-strong: #d6d3cc;--text: #1a1a18;--text-secondary: #78766f;--text-tertiary: #a3a099;--accent: #1f6f5c;--accent-hover: #185a4a;--accent-soft: #eaf2ef;--font: "DM Sans", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;--page: 1080px}*{box-sizing:border-box}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.7}h1,h2,h3{margin:0;letter-spacing:-.025em;line-height:1.25}h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:700;letter-spacing:-.035em;line-height:1.2}h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:600}h3{font-size:1.0625rem;font-weight:600}p{margin:0}a{color:var(--accent);text-decoration:none}.eyebrow{font-size:.6875rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:14px}.body{color:var(--text-secondary);font-size:1rem}.muted{color:var(--text-tertiary)}.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 32px;background:#faf9f7e6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.brand{font-weight:700;font-size:1rem;letter-spacing:-.02em;color:var(--text)}.site-nav{display:flex;align-items:center;gap:28px;font-size:.875rem}.site-nav a{color:var(--text-secondary)}.site-nav a:hover{color:var(--text)}.btn{display:inline-block;padding:9px 18px;border:1px solid var(--border-strong);border-radius:6px;background:var(--surface);color:var(--text);font-size:.875rem;font-weight:500;transition:background-color .12s ease,border-color .12s ease;white-space:nowrap}.btn:hover{background:var(--surface-sunken)}.btn-primary,.site-nav .btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-lg{padding:13px 26px;font-size:.9375rem}.hero{max-width:var(--page);margin:0 auto;padding:96px 32px 80px}.hero .lead{max-width:620px;margin-top:24px;font-size:1.0625rem;color:var(--text-secondary)}.hero-actions{display:flex;gap:12px;margin-top:36px;flex-wrap:wrap}.hero-note{margin-top:20px;font-size:.8125rem;color:var(--text-tertiary)}.section{max-width:var(--page);margin:0 auto;padding:88px 32px}.section-alt{max-width:none;background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.section-alt>*{max-width:var(--page);margin-left:auto;margin-right:auto}.problem-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:56px;align-items:start}.problem-grid .body+.body{margin-top:18px}.problem-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--border)}.problem-list li{display:grid;gap:4px;padding:16px 0;border-bottom:1px solid var(--border)}.problem-before{font-size:.8125rem;color:var(--text-tertiary);text-decoration:line-through}.problem-after{font-size:.9375rem;font-weight:500}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1px;margin-top:44px;background:var(--border);border:1px solid var(--border);border-radius:8px;overflow:hidden}.feature{background:var(--bg);padding:28px}.feature h3{margin-bottom:10px}.feature p{font-size:.9375rem;color:var(--text-secondary)}.flow{list-style:none;counter-reset:none;margin:44px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px}.flow li{border-top:2px solid var(--accent);padding-top:18px}.flow-num{display:block;font-size:.75rem;font-weight:700;color:var(--accent);letter-spacing:.1em;margin-bottom:8px}.flow h3{margin-bottom:8px}.flow p{font-size:.9375rem;color:var(--text-secondary)}.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px;margin-top:44px}.case{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:26px}.case h3{margin-bottom:14px}.case-scene{font-size:.9375rem;color:var(--text-secondary);padding-left:14px;border-left:2px solid var(--border-strong)}.case-use{margin-top:16px;font-size:.9375rem}.cta{max-width:var(--page);margin:0 auto;padding:96px 32px 112px;text-align:center}.cta .body{margin:16px 0 32px}.site-footer{display:flex;justify-content:space-between;gap:16px;max-width:var(--page);margin:0 auto;padding:28px 32px 48px;border-top:1px solid var(--border);font-size:.8125rem;color:var(--text-secondary)}@media (max-width: 860px){.site-header{padding:12px 20px}.site-nav{gap:16px}.site-nav a:not(.btn){display:none}.hero{padding:64px 20px 56px}.section,.cta{padding:64px 20px}.problem-grid{grid-template-columns:1fr;gap:36px}.site-footer{padding:24px 20px 40px}}