:root{color-scheme:light;--bg: #f6f8fc;--bg-soft: #ffffff;--bg-card: #ffffff;--text: #13203d;--text-muted: #5b6783;--accent: #1a78ff;--accent-2: #24a1ff;--accent-3: #1abf7a;--border: rgba(19, 32, 61, .14);--shadow: 0 24px 60px rgba(19, 32, 61, .12)}html{scroll-behavior:smooth;scroll-padding-top:80px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Noto Sans JP,Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{color:inherit;text-decoration:none}.container{width:min(1200px,92vw);margin:0 auto}.site-header{position:sticky;top:0;z-index:10;backdrop-filter:blur(18px);background:#ffffffdb;border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:18px 0}.logo{font-weight:700;letter-spacing:.04em}.nav{display:flex;gap:20px;align-items:center;font-size:.95rem}.nav a{color:var(--text-muted);transition:color .3s ease}.nav a:hover{color:var(--text)}.nav .cta{padding:10px 18px;border-radius:999px;border:1px solid var(--accent);color:var(--accent);font-weight:600}.nav .cta:hover{background:var(--accent);color:#fff}.hero{padding:120px 0 80px;background:radial-gradient(circle at top left,rgba(26,120,255,.16),transparent 45%),radial-gradient(circle at 10% 80%,rgba(36,161,255,.14),transparent 45%),linear-gradient(120deg,#fff 8%,#f6f9ff 55%,#fff 92%);overflow:hidden;position:relative}.hero:after{content:"";position:absolute;inset:-40% 0 0 40%;background:radial-gradient(circle,rgba(26,191,122,.2),transparent 60%);animation:pulse 8s ease-in-out infinite;opacity:.7}.hero-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));align-items:center;gap:60px;position:relative;z-index:1}.hero h1{font-size:clamp(2.4rem,4vw,3.6rem);line-height:1.2}.hero p{margin-top:20px;color:var(--text-muted);font-size:1.1rem}.cta-group{margin-top:30px;display:flex;gap:16px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;border:1px solid var(--accent-2);color:#fff;background:linear-gradient(120deg,var(--accent),var(--accent-2));font-weight:600;box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease}.button.secondary{background:transparent;color:var(--text);border-color:var(--border);box-shadow:none}.button:hover{transform:translateY(-2px);box-shadow:0 22px 44px #1a78ff38}.hero-card{background:var(--bg-card);border:1px solid var(--border);padding:12px;border-radius:24px;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero-card img{width:100%;border-radius:18px;border:1px solid var(--border)}.hero-card:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(93,242,255,.12),transparent 60%);animation:shimmer 6s linear infinite;pointer-events:none}.section{padding:80px 0}.ai-demo{padding-top:30px}.ai-demo-card{background:linear-gradient(135deg,#fff,#f7faff);border:1px solid var(--border);border-radius:28px;padding:36px;box-shadow:var(--shadow);display:grid;gap:24px}.ai-demo-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.ai-demo-controls{display:inline-flex;gap:10px}.ai-demo-controls .button{min-width:48px;padding:10px 0;justify-content:center}.ai-demo-controls .button.is-active{background:var(--accent);color:#fff;border-color:transparent;box-shadow:0 0 0 1px #1a78ff1f,0 10px 20px #1a78ff38}.ai-demo-body{display:grid;gap:18px}.ai-bubble{border-radius:20px;padding:18px 20px;border:1px solid var(--border);background:#fff;position:relative;overflow:hidden}.ai-bubble.user{align-self:flex-end;margin-left:auto;width:min(520px,100%);max-width:min(520px,100%);background:#f6f9ff;border-color:#1a78ff59}.ai-answer.system{padding:8px 0 0;margin-right:auto;border-color:#1abf7a57}.ai-answer .ai-label{margin-left:6px}.ai-answer .ai-text{padding:12px 16px;border-radius:16px;background:#f9fbff;border:1px solid var(--border);width:100%;max-width:100%}.ai-answer .ai-text h2{font-size:1.15rem;margin-bottom:10px}.ai-answer .ai-text p{color:var(--text-muted);margin-bottom:12px}.ai-answer .ai-text ul{list-style:disc;padding-left:20px;color:var(--text-muted);margin:10px 0 14px}.ai-answer .ai-text hr{border:none;border-top:1px solid var(--border);margin:16px 0}.ai-answer .ai-text table{width:100%;border-collapse:collapse;font-size:.9rem}.ai-answer .ai-text th,.ai-answer .ai-text td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left}.ai-label{font-size:.8rem;letter-spacing:.12em;color:var(--text-muted);margin-bottom:6px}.ai-text{min-height:48px;font-size:1rem;line-height:1.8;white-space:pre-wrap}.ai-status{margin:0;font-size:.85rem;color:var(--accent);display:inline-flex;align-items:center;gap:8px}.ai-status-row{margin-top:10px;display:flex;align-items:center;justify-content:space-between;gap:12px}.ai-status-note{margin:0;font-size:.8rem;color:var(--text-muted);text-align:right;flex:1;display:none}.ai-status:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 1.8s ease-in-out infinite}.ai-demo-form{display:grid;grid-template-columns:1fr auto;gap:12px}.ai-demo-form input{border:1px solid var(--border);background:#fff;color:var(--text);border-radius:999px;padding:12px 18px;font-size:1rem}.ai-demo-controls button{cursor:pointer}.ai-demo-form button{min-width:140px}.section-title{font-size:clamp(1.8rem,2.4vw,2.4rem);margin-bottom:20px}.section-lead{color:var(--text-muted);max-width:720px}.section-full-lead{color:var(--text-muted)}.section-center,.section-center *{text-align:center!important}.section-center .cta-group{display:block}.section-dark{background:#101827;color:#f6f8fc}.split-showcase .container{display:grid;gap:46px}.split-row{display:grid;grid-template-columns:minmax(280px,1fr) minmax(300px,1fr);gap:40px;align-items:center}.split-row-reverse .split-copy{order:2}.split-row-reverse .split-visual{order:1}.split-copy .section-title{margin-bottom:14px}.split-copy .section-lead{font-size:1.06rem}.split-cta{margin-top:28px}.split-visual{min-height:380px;border-radius:16px;border:1px solid rgba(255,255,255,.2);position:relative;overflow:hidden;padding:26px}.split-visual:before{content:"";position:absolute;inset:0;background:linear-gradient(130deg,rgba(255,255,255,.14),transparent 60%);pointer-events:none}.gradient-warm{background:radial-gradient(circle at 0% 100%,rgba(255,120,58,.46),transparent 55%),linear-gradient(120deg,#f76a3f,#171717 62%,#0c0f19)}.gradient-cool{background:radial-gradient(circle at 0% 20%,rgba(37,135,255,.5),transparent 58%),linear-gradient(120deg,#062756,#0f2f70 30%,#101827 82%)}.glass-card{position:absolute;background:#ffffffe0;backdrop-filter:blur(5px);border:1px solid rgba(255,255,255,.55);border-radius:18px;padding:16px 18px;box-shadow:0 16px 34px #0000003d}.glass-card h3{font-size:1.1rem;margin-bottom:8px}.glass-card ul{list-style:none;color:#24324d;display:grid;gap:6px;font-size:.95rem}.glass-card p{color:#273650;font-size:.95rem;line-height:1.5}.card-draft{width:min(230px,70%);top:32px;left:22%}.card-chat{width:min(230px,70%);top:102px;right:16%}.card-prompt{width:min(360px,calc(100% - 44px));bottom:26px;left:22px}.card-objection{width:min(290px,78%);top:64px;left:18%}.card-suggestion{width:min(350px,calc(100% - 42px));bottom:26px;left:22px}.grid-3{margin-top:40px;display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.card{background:var(--bg-soft);border:1px solid var(--border);padding:24px;border-radius:20px;min-height:220px;display:flex;flex-direction:column;gap:16px;position:relative;overflow:hidden}.card:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;top:-80px;right:-60px;animation:float 10s ease-in-out infinite}.card h3{font-size:1.1rem}.card p{color:var(--text-muted)}#features .card{gap:14px}#features .feature-illustration{width:100%;max-width:100%;display:block;height:auto}.highlight{background:linear-gradient(120deg,#1a78ff14,#24a1ff14);border:1px solid var(--border);border-radius:28px;padding:40px;display:grid;gap:24px}.highlight ul{list-style:none;display:grid;gap:12px}.highlight li{padding-left:24px;position:relative}.highlight li:before{content:"";width:10px;height:10px;border-radius:50%;background:var(--accent-3);position:absolute;left:0;top:.45em}.form{display:grid;gap:16px;max-width:640px}.form input,.form textarea,.form select{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--text)}.form textarea{min-height:140px;resize:vertical}.form .form-row{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.status{padding:12px 16px;border-radius:12px;background:#1abf7a24;border:1px solid rgba(26,191,122,.35);color:#0f7147}.site-footer{padding:40px 0;border-top:1px solid var(--border);background:#eef3fa}.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;color:var(--text-muted)}.reveal{opacity:0;transform:translateY(20px);transition:opacity .8s ease,transform .8s ease}.is-loaded .reveal{opacity:1;transform:translateY(0)}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-16px)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.08)}}@keyframes shimmer{0%{transform:translate(-30%)}to{transform:translate(30%)}}@media(max-width:860px){html{scroll-padding-top:84px}.nav{display:none}.hero{padding-top:90px}.split-row{grid-template-columns:1fr;gap:24px}.split-row-reverse .split-copy,.split-row-reverse .split-visual{order:initial}.split-visual{min-height:340px}.card-draft{left:16px}.card-chat{right:16px}.card-objection{left:16px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}