:root{--primary: #1a7ef0;--primary-dark: #0f60c8;--primary-light: #e0f0fd;--accent: #50c8f0;--dark: #0d1b2e;--dark-2: #132038;--text: #1e2a38;--text-muted: #5a7080;--bg: #ffffff;--bg-section: #f0f7ff;--border: #d0e6f8;--radius: 16px;--shadow: 0 4px 24px rgba(26, 126, 240, .14);--shadow-card: 0 2px 16px rgba(0, 0, 0, .08);--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,Yu Gothic,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:var(--primary);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--primary-dark)}.container{max-width:1080px;margin:0 auto;padding:0 24px}section{width:100%;padding:84px 0}.header{position:sticky;top:0;z-index:100;background:#ffffffeb;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav{display:flex;align-items:center;justify-content:space-between;height:64px}.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:700;color:var(--primary);text-decoration:none}.nav-logo img{width:36px;height:36px;border-radius:8px}.nav-links{display:flex;align-items:center;gap:28px;list-style:none}.nav-links a{font-size:.9rem;font-weight:500;color:var(--text-muted)}.nav-links a:hover{color:var(--primary)}.nav-cta{background:var(--primary);color:#fff!important;padding:8px 20px;border-radius:100px;font-size:.875rem!important;font-weight:600!important;transition:background var(--transition),transform var(--transition)}.nav-cta:hover{background:var(--primary-dark)!important;color:#fff!important;transform:translateY(-1px)}.hero{background:linear-gradient(135deg,#deeffe,#eaf5ff,#d6edfd);padding:100px 0 80px;overflow:hidden;position:relative}.hero:before{content:"";position:absolute;top:-160px;right:-160px;width:480px;height:480px;background:radial-gradient(circle,rgba(26,126,240,.15) 0%,transparent 70%);border-radius:50%;pointer-events:none}.hero-inner{display:flex;align-items:center;gap:60px}.hero-copy{flex:1;min-width:0}.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--primary-light);color:var(--primary);font-size:.8rem;font-weight:600;padding:6px 14px;border-radius:100px;margin-bottom:20px;letter-spacing:.02em}.hero-title{font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.2;color:var(--dark);margin-bottom:20px;letter-spacing:-.02em}.hero-title .highlight{color:var(--primary)}.hero-desc{font-size:1.05rem;color:var(--text-muted);margin-bottom:36px;max-width:480px}.btn-group{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:14px;font-size:.95rem;font-weight:600;transition:transform var(--transition),box-shadow var(--transition);cursor:pointer;border:none;text-decoration:none}.btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px #1a7ef047}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{color:#fff;background:var(--primary-dark)}.btn-store{background:transparent;padding:0;border-radius:0}.btn-store:hover{box-shadow:0 8px 24px #0003}.btn-store img{height:48px;width:auto;display:block}.hero-note{font-size:.8rem;color:var(--text-muted)}.hero-visual{flex:0 0 auto;display:flex;gap:16px;align-items:flex-end}.hero-phone{border-radius:24px;box-shadow:0 20px 60px #1a7ef040;overflow:hidden;transition:transform .3s ease}.hero-phone:hover{transform:translateY(-8px)}.hero-phone-main{width:220px}.hero-phone-sub{width:180px;margin-bottom:20px;opacity:.9}.features{background:var(--bg)}.section-label{font-size:.8rem;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:.1em;margin-bottom:10px;text-align:center}.section-title{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;color:var(--dark);text-align:center;margin-bottom:14px;letter-spacing:-.02em;line-height:1.25}.section-desc{font-size:1rem;color:var(--text-muted);text-align:center;max-width:520px;margin:0 auto 56px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.feature-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:32px 28px;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#1a7ef04d}.feature-icon{width:52px;height:52px;background:var(--primary-light);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:18px}.feature-card h3{font-size:1.05rem;font-weight:700;color:var(--dark);margin-bottom:8px}.feature-card p{font-size:.9rem;color:var(--text-muted);line-height:1.65}.how{background:var(--bg-section)}.steps{display:flex;gap:0;position:relative}.steps:before{content:"";position:absolute;top:28px;left:calc(16.67% + 28px);right:calc(16.67% + 28px);height:2px;background:linear-gradient(90deg,var(--primary),#50c8f0);pointer-events:none}.step{flex:1;display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 20px;position:relative}.step-num{width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;font-size:1.2rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:20px;position:relative;z-index:1;box-shadow:0 4px 16px #1a7ef059}.step h3{font-size:1rem;font-weight:700;color:var(--dark);margin-bottom:8px}.step p{font-size:.875rem;color:var(--text-muted)}.screenshots{background:var(--bg)}.screenshot-row{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}.screenshot-item{flex:0 0 auto;text-align:center}.screenshot-item img{border-radius:24px;box-shadow:var(--shadow-card);width:180px;transition:transform .3s ease,box-shadow .3s ease}.screenshot-item img:hover{transform:scale(1.03);box-shadow:var(--shadow)}.screenshot-item span{display:block;margin-top:10px;font-size:.8rem;color:var(--text-muted);font-weight:500}.sm2{background:linear-gradient(135deg,var(--dark) 0%,var(--dark-2) 100%);color:#fff}.sm2 .section-title{color:#fff}.sm2 .section-desc{color:#a0aec0}.sm2-inner{display:flex;align-items:center;gap:64px}.sm2-copy{flex:1}.sm2 .section-label{color:#50c8f0}.sm2-copy h2{font-size:clamp(1.6rem,4vw,2.2rem);font-weight:800;line-height:1.25;margin-bottom:18px;letter-spacing:-.02em}.sm2-copy p{color:#a0aec0;margin-bottom:14px;font-size:.95rem}.sm2-list{list-style:none;margin-top:24px;display:flex;flex-direction:column;gap:12px}.sm2-list li{display:flex;align-items:flex-start;gap:12px;font-size:.9rem;color:#cbd5e0}.sm2-list li:before{content:"✓";flex-shrink:0;width:22px;height:22px;background:#1a7ef040;color:#50c8f0;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;margin-top:2px}.sm2-visual{flex:0 0 auto}.sm2-graph{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:24px;width:320px}.sm2-graph h4{font-size:.8rem;font-weight:600;color:#a0aec0;text-transform:uppercase;letter-spacing:.08em;margin-bottom:20px}.graph-bars{display:flex;align-items:flex-end;gap:10px;height:120px}.bar-wrap{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}.bar{width:100%;border-radius:6px 6px 0 0;background:linear-gradient(180deg,#1a7ef0,#50c8f0);transition:height .6s cubic-bezier(.4,0,.2,1)}.bar-label{font-size:.65rem;color:#718096;white-space:nowrap}.sm2-graph-note{margin-top:14px;font-size:.75rem;color:#718096;text-align:center}.download{background:var(--bg-section);text-align:center}.download .section-title{margin-bottom:12px}.download .section-desc{margin-bottom:36px}.download-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:20px}.download-note{font-size:.8rem;color:var(--text-muted)}.footer{background:var(--dark);color:#718096;padding:48px 0}.footer-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:40px;flex-wrap:wrap}.footer-brand{display:flex;align-items:center;gap:10px;font-size:1.1rem;font-weight:700;color:#fff;margin-bottom:10px}.footer-brand img{width:32px;height:32px;border-radius:8px}.footer-copy{font-size:.825rem;color:#737f95}.footer-links{display:flex;gap:24px;flex-wrap:wrap;align-items:center}.footer-links a{color:#718096;font-size:.875rem;transition:color var(--transition)}.footer-links a:hover{color:#50c8f0}.footer-bottom{margin-top:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.05);font-size:.8rem;color:#4a5568;text-align:center}.policy-hero{background:linear-gradient(135deg,#deeffe,#e8f4fd);padding:64px 0;text-align:center}.policy-hero h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;color:var(--dark);letter-spacing:-.02em}.policy-hero p{color:var(--text-muted);margin-top:12px;font-size:.95rem}.policy-body{padding:64px 0}.policy-content{max-width:720px;margin:0 auto}.policy-content h2{font-size:1.3rem;font-weight:700;color:var(--dark);margin-top:48px;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--primary-light)}.policy-content h2:first-child{margin-top:0}.policy-content p{font-size:.95rem;color:var(--text);margin-bottom:14px}.policy-content ul,.policy-content ol{padding-left:24px;margin-bottom:14px}.policy-content li{font-size:.95rem;color:var(--text);margin-bottom:6px}.policy-content strong{font-weight:700;color:var(--dark)}.policy-content a{color:var(--primary);text-decoration:underline;text-underline-offset:2px}@media(max-width:900px){.hero-inner{flex-direction:column;text-align:center}.hero-copy{display:flex;flex-direction:column;align-items:center}.hero-desc{text-align:center}.hero-badge,.btn-group{justify-content:center}.feature-grid{grid-template-columns:repeat(2,1fr)}.sm2-inner{flex-direction:column;text-align:center}.sm2-copy{display:flex;flex-direction:column;align-items:center}.sm2-graph{width:100%;max-width:380px}.steps:before{display:none}.steps{flex-direction:column;align-items:center;gap:32px}.step{max-width:320px}.nav-links{display:none}}@media(max-width:600px){section{padding:60px 0}.feature-grid{grid-template-columns:1fr}.hero-visual{flex-direction:column;align-items:center}.hero-phone-main{width:200px}.hero-phone-sub{display:none}}.contact-section{padding:64px 0;max-width:720px;margin:0 auto}.contact-section h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;color:var(--dark);letter-spacing:-.02em;text-align:center;margin-bottom:48px}.contact-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column}.form-group label{font-size:.9rem;font-weight:600;color:var(--text);margin-bottom:8px}.form-group input,.form-group textarea{font-family:inherit;font-size:1rem;padding:12px 16px;border:1px solid var(--border);border-radius:12px;background:var(--bg);transition:border-color var(--transition),box-shadow var(--transition)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.form-group textarea{min-height:160px;resize:vertical}.alert{padding:16px;border-radius:12px;font-size:.95rem}.alert-success{background:var(--primary-light);color:var(--primary-dark);border:1px solid var(--primary)}.alert-danger{background:#fde0e0;color:#c80f0f;border:1px solid #c80f0f}.btn-primary[disabled]{background:var(--text-muted);cursor:not-allowed;transform:none;box-shadow:none}