*{box-sizing:border-box;margin:0;padding:0}body{color:#333;font-family:Inter,sans-serif;line-height:1.6}.container{height:100%;margin:0 auto;max-width:1200px;padding:20px;width:90%}.btn{background:#000;border:none;border-radius:5px;color:#fff;font-weight:700}.btn,.btn_outline{cursor:pointer;display:inline-block;font-size:14px;height:40px;letter-spacing:1px;padding:5px 14px;text-decoration:none;transition:background .3s}.btn_outline{background:#fff0;border:1px solid #5dade2;border-radius:5px;color:#5dade2;font-weight:400}.btn:hover{background:#000000b3}.btn_outline:hover{background:#ffffff80}@media (max-width:768px){header h1{font-size:1.5rem}.headline h2{font-size:1.6rem}.emotion h3,.logic h3,.rational h3{font-size:1.3rem}.emotion p,.logic p,.rational p{font-size:1rem}}