:root{--vertical-primary:#e65f24;--vertical-primary-hover:#c74e1a;--vertical-text:#142e50;--vertical-muted:#63758b;--vertical-background:#f8f7f4;--vertical-surface:#ffffff;--vertical-border:#e7e3dc;--vertical-accent:#ee8c49}*{box-sizing:border-box}html{color-scheme:light}body{margin:0;background:var(--vertical-background);color:var(--vertical-text);font-family:Arial,Hiragino Kaku Gothic ProN,Noto Sans JP,Meiryo,sans-serif;font-size:15px;line-height:1.6}a{color:var(--vertical-primary-hover);text-underline-offset:3px}button,input,select,textarea{font:inherit}a,button,input,select,summary{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--vertical-primary);outline-offset:3px}img{max-width:100%;height:auto}h1,h2,h3,h4{line-height:1.5}p{overflow-wrap:anywhere}button:disabled{cursor:not-allowed}.demoNotice{background:#fff5df;color:#6a4e0b;padding:10px 16px;text-align:center;font-size:12px;line-height:1.7}