:root{--bg: #f5f6f4;--card: #fff;--link: #1a4fbd;--text: #1d2420;--muted: #66706a;--line: #dde2de;--accent: #a87700;--on-accent: #fff;--bar-from: #efb80c;--bar-to: #fbdc48;--on-bar: #3a2a00;--pay: #c0392b;--recv: #1f6fb2;--warn-bg: #fff3d6;--warn-text: #7a5600;--ok: #2f7d4f;--ng-bg: #fde8e6}@media(prefers-color-scheme:dark){:root{--bg: #101412;--card: #1a201d;--link: #8ab4f8;--text: #e8ece9;--muted: #98a39c;--line: #2c3530;--accent: #e8b320;--on-accent: #1d1600;--bar-from: #b8860b;--bar-to: #d9a91c;--on-bar: #1d1600;--pay: #ff7b6b;--recv: #6cb4f0;--warn-bg: #3a2f10;--warn-text: #f0cf80;--ok: #6fd09a;--ng-bg: #3d1f1c}}*{box-sizing:border-box}html{color-scheme:light dark}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 -apple-system,Hiragino Sans,Noto Sans JP,sans-serif;-webkit-text-size-adjust:100%}.app{max-width:640px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column}main{flex:1;padding:0 12px 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