:root{--line-green:#06c755;--line-green-soft:#e5f9ec;--background:#f5f5f5;--surface:#fff;--border:#e8e8e8;--text:#111;--muted:#616161;--danger:#ff334b;--info:#4270ed;--shadow:0 18px 50px #11111112;--radius-large:24px;--radius-medium:16px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--background);color:var(--text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic UI,Yu Gothic,Meiryo,sans-serif;line-height:1.6}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible{outline:3px solid var(--info);outline-offset:3px}a:focus-visible{outline:3px solid var(--info);outline-offset:3px}input:focus-visible{outline:3px solid var(--info);outline-offset:3px}[tabindex]:focus-visible{outline:3px solid var(--info);outline-offset:3px}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit}.app-shell{min-height:100vh}.app-header{z-index:20;background:var(--line-green);border-bottom:1px solid 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