main{background-color:#3490dc}.concept{margin:6rem auto 2rem;text-align:center;width:420px}.concept .logo_image{margin:0 auto;text-align:center}.concept .logo_image img{width:100px}.concept .logo_image img:nth-of-type(2){margin-left:.5rem;width:300px}.concept h1{color:#fff;font-size:1.2rem;font-weight:500;line-height:1.6rem;padding:1rem;text-align:left}@media screen and (max-width:768px){.concept{margin:0 auto;width:100%}.concept .logo_image img{width:40%}.concept .logo_image img:nth-of-type(2){width:60%}.concept h1{font-size:.9rem;line-height:1.2rem;padding:1rem}}#enter .container{text-align:center}#enter a{text-decoration:none}.enter_box{background-color:#fff;cursor:pointer;display:inline-block;height:150px;left:0;margin:5rem auto;overflow:hidden;position:relative;text-align:center;top:0;width:150px}.enter_box .logo_image{margin-top:2rem}.enter_box .logo_image img{opacity:.5;width:40%}.enter_box .logo_text{color:#3490dc;font-size:.8rem;font-weight:700;letter-spacing:1px;text-align:center;text-decoration:none}@media screen and (max-width:768px){.enter_box{height:120px;margin:2rem auto;width:120px}.enter_box .logo_text{font-size:.6rem}}.enter_box:hover{left:1px;top:1px}