*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:-apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;line-height:1.8;color:#333;background-color:#fff}a{color:#3d6b4f;text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}h1,h2,h3{line-height:1.4;color:#222}h1{font-size:1.75rem;margin-bottom:1rem}h2{font-size:1.375rem;margin-top:2rem;margin-bottom:0.75rem}h3{font-size:1.125rem;margin-top:1.5rem;margin-bottom:0.5rem}p{margin-bottom:1rem}ul,ol{margin-bottom:1rem;padding-left:1.5rem}.site-header{border-bottom:1px solid #e8e8e8;background-color:#fff}.nav-container{max-width:960px;margin:0 auto;padding:0.75rem 1.5rem;display:flex;align-items:center;justify-content:space-between}.nav-logo{display:flex;align-items:center;gap:0.5rem;font-weight:bold;font-size:1.125rem;color:#222}.nav-logo:hover{text-decoration:none}.nav-logo img{border-radius:6px}.nav-links{display:flex;list-style:none;gap:1.5rem;padding-left:0;margin-bottom:0}.nav-links a{font-size:0.875rem;color:#555}.nav-links a:hover{color:#3d6b4f}.hero{text-align:center;padding:4rem 1.5rem;background-color:#f9fafb}.hero-logo{width:120px;height:120px;border-radius:24px;margin-bottom:1.5rem}.hero-catchcopy{font-size:1.5rem;font-weight:bold;color:#222;margin-bottom:0.5rem}.hero-sub{font-size:1rem;color:#666;margin-bottom:2rem}.store-buttons{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}.store-button{display:inline-flex;align-items:center;gap:0.5rem;padding:0.75rem 1.5rem;border-radius:8px;font-size:0.9375rem;font-weight:600;color:#fff;background-color:#222;transition:background-color 0.2s}.store-button:hover{background-color:#444;text-decoration:none}.store-button svg{width:20px;height:20px;fill:currentColor}.features{max-width:960px;margin:0 auto;padding:4rem 1.5rem}.features-title{text-align:center;font-size:1.375rem;margin-bottom:2.5rem}.features-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:2rem}.feature-item{text-align:center}.feature-icon{font-size:2rem;margin-bottom:0.75rem}.feature-title{font-size:1.0625rem;font-weight:600;margin-bottom:0.5rem;margin-top:0}.feature-desc{font-size:0.875rem;color:#666}.page-content{max-width:720px;margin:0 auto;padding:3rem 1.5rem}.page-content h1{margin-bottom:1.5rem;padding-bottom:0.75rem;border-bottom:2px solid #e8e8e8}.page-content h2{padding-top:1rem}.page-content h2:target{color:#3d6b4f}.site-footer{border-top:1px solid #e8e8e8;background-color:#f9fafb;padding:2rem 1.5rem}.footer-container{max-width:960px;margin:0 auto;text-align:center}.footer-links{display:flex;justify-content:center;gap:1.5rem;margin-bottom:1rem}.footer-links a{font-size:0.875rem;color:#555}.footer-copy{font-size:0.8125rem;color:#999;margin-bottom:0}@media (max-width: 640px){.nav-links{gap:0.75rem}.nav-links a{font-size:0.75rem}.hero{padding:3rem 1.5rem}.hero-catchcopy{font-size:1.25rem}.features-grid{grid-template-columns:1fr;gap:1.5rem}.footer-links{flex-direction:column;gap:0.5rem}}body.webview .site-header,body.webview .site-footer{display:none}body.webview .page-content{padding-top:1.5rem}