:root{--primary-green:#2e7d32;--light-green:#e8f5e9;--dark-green:#1b5e20;--accent-color:#fbc02d;--text-main:#333;--text-muted:#666;--bg-color:#f9fafb;--white:#fff;--border-color:#e0e0e0;color:var(--text-main);background-color:var(--bg-color);font-family:Helvetica Neue,Arial,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif}body,h1,h2,h3,p,ul,margin{box-sizing:border-box;margin:0;padding:0}*,:before,:after{box-sizing:inherit}a{color:inherit;text-decoration:none}.app-container{flex-direction:column;min-height:100vh;display:flex}.header{background-color:var(--white);border-bottom:1px solid var(--border-color);z-index:100;justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex;position:sticky;top:0}.header-logo{color:var(--primary-green);font-size:1.5rem;font-weight:700}.header-nav{gap:1rem;display:flex}.btn{cursor:pointer;border:none;border-radius:4px;padding:.75rem 1.5rem;font-size:1rem;font-weight:700;transition:background-color .2s,opacity .2s}.btn-primary{background-color:var(--primary-green);color:var(--white)}.btn-primary:hover{background-color:var(--dark-green)}.btn-secondary{background-color:var(--white);color:var(--primary-green);border:1px solid var(--primary-green)}.btn-secondary:hover{background-color:var(--light-green)}.btn-text{color:var(--text-muted);background:0 0;padding:.5rem;font-weight:400}.btn-text:hover{color:var(--primary-green);text-decoration:underline}.main-content{flex-direction:column;flex:1;align-items:center;padding:3rem 1rem;display:flex}.hero-section{text-align:center;max-width:800px;margin-bottom:4rem}.hero-title{color:var(--primary-green);margin-bottom:1rem;font-size:2.5rem}.hero-subtitle{color:var(--text-muted);font-size:1.25rem;line-height:1.6}.card-container{flex-wrap:wrap;justify-content:center;gap:2rem;width:100%;max-width:1000px;display:flex}.card{background-color:var(--white);border:1px solid var(--border-color);border-radius:8px;flex:1;min-width:300px;padding:2rem;box-shadow:0 4px 6px #0000000d}.card-title{text-align:center;border-bottom:2px solid var(--light-green);margin-bottom:1.5rem;padding-bottom:.5rem;font-size:1.5rem}.form-group{text-align:left;flex-direction:column;margin-bottom:1.5rem;display:flex}.form-label{margin-bottom:.5rem;font-weight:700}.form-input{border:1px solid var(--border-color);border-radius:4px;padding:.75rem;font-size:1rem}.form-input:focus{border-color:var(--primary-green);box-shadow:0 0 0 2px var(--light-green);outline:none}.footer{background-color:var(--text-main);color:var(--white);text-align:center;padding:1.5rem;font-size:.875rem}