header{height:50px;width:100vw;padding:0 16px;display:flex;flex-direction:row;align-items:center;justify-content:space-between;flex-wrap:nowrap;color:#000;border-bottom:solid 1px #d3d6da}header h1{display:block;font-family:"Cambria","Arial","MS Pゴシック";font-weight:700;font-size:37px;line-height:100%;letter-spacing:.01em;text-align:center;left:0;right:0;pointer-events:none}@media(max-width: 480px){header h1{font-size:22px;letter-spacing:.1rem}}header .dummy{width:50px;height:50px}header .show-help-btn{cursor:pointer}header .show-help-btn #show-help-btn__inner{margin:15px;width:20px;height:20px;border-radius:10px;border:2px solid #000;display:flex;flex-direction:column;justify-content:center;align-items:center;font-family:"Clear Sans","Helvetica Neue",Arial,sans-serif;font-size:12pt;font-weight:bold;display:inline-grid}#popup{position:fixed;top:0;left:0;width:100%;height:100%;z-index:9999;opacity:0;visibility:hidden;transition:.6s}#popup.is-show{opacity:1;visibility:visible}#popup .popup-inner{position:absolute;top:50%;left:50%;transform:translate(-50%, -50%);width:700px;max-width:700px;padding:50px;background-color:#fff;z-index:2}@media(max-width: 480px){#popup .popup-inner{width:100%;height:100%;padding:20px}}#popup .popup-inner .popup-close-btn{position:absolute;right:0;top:0;width:50px;height:50px;border-radius:50%;line-height:50px;font-size:20px;font-weight:bold;cursor:pointer}#popup #popup-bg{position:absolute;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,.8);z-index:1;cursor:pointer}#popup-help{color:#000}#popup-help h2.title{font-weight:700;font-size:16px;font-family:"Clear Sans","Helvetica Neue",Arial,sans-serif;letter-spacing:.5px;text-transform:uppercase;text-align:center;margin-bottom:10px}#popup-help p{display:block;margin-block-start:1em;margin-block-end:1em;margin-inline-start:0px;margin-inline-end:0px;font-size:14px;font-family:"Clear Sans","Helvetica Neue",Arial,sans-serif}#popup-help strong{font-weight:bold}#popup-help #popup-help-example{border-top:1px solid #d3d6da;border-bottom:1px solid #d3d6da}#popup-help #popup-help-example-imagewrapper{width:100%;aspect-ratio:3/2;object-fit:contain;background-image:url("../img/example.png");background-repeat:no-repeat;background-position:center center;background-size:contain}@media(max-width: 480px){#popup-help #popup-help-example-imagewrapper{width:80%;margin:0 auto;background-image:url("../img/example-mob.png");aspect-ratio:375/500}}#container{margin:0 auto;width:100vw;max-width:calc(397px + 100vw - 464px + 20px)}@media(max-width: 480px){#container{width:90vw}}#container #upper{margin:0 auto;display:flex;flex-direction:row;max-width:997px;user-select:none}@media(max-width: 480px){#container #upper{flex-direction:column}}@media(max-width: 480px){#container #lower{width:90vw}}