:root{--bg: #f8faf5;--surface: #ffffff;--surface-2: #edf6f5;--surface-blue: #eaf4ff;--border: #d8e3de;--ink: #18302f;--ink-2: #526a67;--ink-3: #7e918e;--accent: #1268a6;--accent-strong: #0c4f80;--accent-ink: #ffffff;--thread: #e57957;--thread-soft: #fff0e8;--danger: #b3261e;--radius: 16px;--radius-small: 10px;--shadow: 0 18px 50px rgba(24, 48, 47, .08);--maxw: 1080px;--font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Hiragino Sans", "Noto Sans JP", sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #101b1b;--surface: #172524;--surface-2: #203332;--surface-blue: #172d3c;--border: #304442;--ink: #edf5f1;--ink-2: #afc2bd;--ink-3: #7f9993;--accent: #75bdf0;--accent-strong: #a3d6f7;--accent-ink: #10232f;--thread: #f29a7d;--thread-soft: #3b2924;--shadow: 0 18px 50px rgba(0, 0, 0, .24)}}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);background:radial-gradient(circle at 8% 4%,var(--surface-blue) 0,transparent 26rem),var(--bg);color:var(--ink);line-height:1.65;font-size:16px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}header.site{border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(14px);position:sticky;top:0;z-index:10}header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}.brand{display:inline-flex;align-items:center;gap:8px;font-weight:750;letter-spacing:.01em;color:var(--ink);font-size:1.12rem}.brand:hover{text-decoration:none}.brand .mark{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;color:var(--accent);background:var(--surface-blue)}nav.site-nav{display:flex;gap:18px;align-items:center;font-size:.92rem}nav.site-nav a{color:var(--ink-2)}nav.site-nav a:hover{color:var(--accent)}main{min-height:calc(100vh - 150px);padding:42px 0 80px}h1{font-size:clamp(1.75rem,4vw,2.35rem);line-height:1.25;margin:0 0 10px}h2{font-size:1.3rem;line-height:1.35;margin:32px 0 12px}p{margin:0 0 12px}.muted{color:var(--ink-2)}.small{font-size:.86rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.card+.card{margin-top:12px}.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);background:var(--surface);color:var(--ink);justify-content:center;min-height:42px;padding:9px 16px;border-radius:var(--radius-small);font:inherit;font-weight:650;font-size:.92rem;cursor:pointer;transition:transform .12s ease,background .12s ease,border-color .12s 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var(--border);border-radius:8px;padding:10px 12px}textarea{resize:vertical;min-height:76px}input:focus,textarea:focus,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:1px}label.field{display:block;margin:0 0 12px}label.field>span{display:block;font-size:.85rem;color:var(--ink-2);margin-bottom:5px}footer.site{border-top:1px solid var(--border);color:var(--ink-3);font-size:.82rem;padding:28px 0}footer.site .wrap{display:flex;justify-content:space-between;gap:20px}footer.site a{color:var(--ink-2)}.home-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(340px,.9fr);align-items:center;gap:clamp(36px,7vw,80px);padding:48px 0 86px}.eyebrow{margin-bottom:10px;color:var(--accent);font-size:.75rem;font-weight:750;letter-spacing:.16em}.hero-copy h1{max-width:680px;font-size:clamp(2.35rem,6vw,4.4rem);letter-spacing:-.045em;line-height:1.13}.hero-copy h1 span{color:var(--accent)}.hero-lead{max-width:620px;margin-top:24px;color:var(--ink-2);font-size:1.08rem}.hero-actions{display:flex;align-items:flex-start;gap:10px;flex-wrap:wrap;margin-top:30px}.home-connect .btn,.hero-secondary{min-height:48px;padding:11px 19px}.hero-notes{display:flex;gap:20px;flex-wrap:wrap;margin-top:18px;color:var(--ink-2);font-size:.78rem}.hero-notes span{display:inline-flex;align-items:center;gap:7px}.hero-notes i{width:7px;height:7px;border-radius:50%;background:var(--thread)}.thread-illustration{position:relative;min-height:470px;padding:24px 0 0 18px}.thread-illustration:before{content:"";position:absolute;inset:0 0 30px 20px;border-radius:48% 52% 40% 60%;background:linear-gradient(145deg,var(--surface-blue),var(--surface-2));transform:rotate(-4deg)}.video-window{position:relative;z-index:1;width:82%;padding:10px;border:1px solid var(--border);border-radius:18px;background:var(--surface);box-shadow:var(--shadow);transform:rotate(2deg)}.video-bar{display:flex;gap:5px;padding:1px 2px 9px}.video-bar span{width:6px;height:6px;border-radius:50%;background:var(--border)}.video-screen{display:grid;place-items:center;aspect-ratio:16 / 9;border-radius:10px;background:linear-gradient(145deg,#69afe0,#14689f 72%)}.play-mark{width:0;height:0;border-top:14px solid transparent;border-bottom:14px solid transparent;border-left:22px solid rgba(255,255,255,.92);transform:translate(3px)}.video-lines{display:grid;gap:7px;padding:12px 4px 4px}.video-lines strong,.video-lines span{display:block;height:7px;border-radius:6px;background:var(--border)}.video-lines strong{width:72%;background:var(--ink-2)}.video-lines 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