:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-synthesis:none;--ink:#1d2a35;--muted:#66727c;--primary:#245f52;--primary-strong:#174a40;--accent:#e85d3f;--warning:#d28b35;--blue:#5966a8;--surface:#fff;--background:#f3f6f4;--soft:#e9efec;--border:#d8e0dc;--danger:#c53c3c;--success:#26745f;--shadow:0 10px 28px #1d2a3512;font-family:Inter,Noto Sans JP,Hiragino Kaku Gothic ProN,Yu Gothic,system-ui,sans-serif}*{box-sizing:border-box}html{background:var(--background);min-width:320px}body{background:var(--background);min-width:320px;min-height:100vh;color:var(--ink);letter-spacing:0;margin:0}button,input,select{font:inherit;letter-spacing:0}button,select,input[type=date],input[type=month]{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}button:focus-visible,input:focus-visible,select:focus-visible,label:focus-within{outline-offset:2px;outline:3px solid #245f5233}h1,h2,p{margin:0}h1{font-size:1.6rem;line-height:1.3}h2{font-size:1rem;line-height:1.4}.app{width:min(100%,920px);min-height:100vh;margin:0 auto;padding-bottom:92px}.app-header{height:58px;color:var(--primary-strong);align-items:center;gap:9px;padding:0 20px;font-size:1.05rem;font-weight:800;display:flex}.app-header svg{stroke-width:2.2px;width:24px;height:24px}.content{padding:10px 16px 28px}.page{flex-direction:column;gap:18px;display:flex}.page-header{justify-content:space-between;align-items:flex-end;gap:16px;min-height:54px;display:flex}.eyebrow{color:var(--accent);text-transform:uppercase;margin-bottom:3px;font-size:.68rem;font-weight:800}.month-picker{background:var(--surface);border:1px solid var(--border);border-radius:6px;align-items:center;gap:7px;min-height:42px;padding:0 10px;display:flex;box-shadow:0 3px 12px #1d2a350a}.month-picker svg{width:17px;height:17px;color:var(--primary)}.month-picker input{width:123px;color:var(--ink);background:0 0;border:0;padding:0;font-size:.82rem;font-weight:700}.month-picker input:focus{outline:none}.balance-card{color:#fff;background:var(--primary-strong);min-height:132px;box-shadow:var(--shadow);border-radius:8px;grid-template-columns:46px 1fr auto;align-items:center;gap:14px;padding:22px;display:grid;position:relative;overflow:hidden}.balance-card:after{content:"";border:28px solid #ffffff0f;border-radius:50%;width:150px;height:150px;position:absolute;bottom:-40px;right:-18px}.balance-icon{background:#ffffff1f;border-radius:8px;place-items:center;width:46px;height:46px;display:grid}.balance-icon svg{width:24px;height:24px}.balance-copy{z-index:1;min-width:0;position:relative}.balance-copy>span{color:#ffffffbd;font-size:.76rem}.balance-amount{margin-top:2px;font-size:2rem;font-weight:800;line-height:1.1}.balance-message{color:#ffffffd6;margin-top:8px;font-size:.78rem;line-height:1.5}.status-badge{white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;gap:4px;min-height:26px;padding:3px 8px;font-size:.68rem;font-weight:800;display:inline-flex}.status-badge svg{width:14px;height:14px}.balance-card .status-badge{z-index:1;color:var(--primary-strong);background:#d8f1e7;position:relative}.status-badge.settled{color:#1d664f;background:#dff2ea}.status-badge.open{color:#916022;background:#f7ead8}.spending-panel,.summary-panel,.form-section,.history-section{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:20px;box-shadow:0 5px 18px #1d2a350a}.section-heading{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.section-heading p{color:var(--muted);margin-top:4px;font-size:.77rem}.chart-layout{grid-template-columns:180px 1fr;align-items:center;gap:24px;margin-top:18px;display:grid}.donut-chart{aspect-ratio:1;background:var(--chart-background);border-radius:50%;width:180px;margin:auto;position:relative;box-shadow:inset 0 0 0 1px #1d2a350a}.donut-center{background:var(--surface);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:31px;box-shadow:0 2px 10px #1d2a3514}.donut-center span{color:var(--muted);font-size:.68rem}.donut-center strong{white-space:nowrap;margin-top:3px;font-size:1rem}.chart-legend{flex-direction:column;min-width:0;display:flex}.legend-row{border-bottom:1px solid #edf1ef;grid-template-columns:12px minmax(0,1fr) auto;align-items:center;gap:9px;padding:11px 0;display:grid}.legend-row:last-child{border-bottom:0}.legend-swatch{border-radius:50%;width:10px;height:10px}.legend-copy{align-items:center;gap:7px;min-width:0;display:flex}.legend-copy strong{text-overflow:ellipsis;white-space:nowrap;font-size:.8rem;overflow:hidden}.legend-copy span{color:var(--muted);font-size:.7rem}.legend-row>b{white-space:nowrap;font-size:.82rem}.user-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:14px;display:grid}.user-summary{background:var(--background);border-radius:6px;grid-template-columns:1fr auto;gap:4px 8px;padding:13px;display:grid}.user-summary strong{grid-column:1/-1;font-size:.8rem}.user-summary span{color:var(--muted);font-size:.72rem}.user-summary b{font-size:.83rem}.field-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.field{flex-direction:column;gap:7px;min-width:0;display:flex}.field-wide{grid-column:1/-1}.field>span,.split-fieldset legend{color:#3d4952;font-size:.76rem;font-weight:800}.field input,.field select{width:100%;min-width:0;height:46px;color:var(--ink);border:1px solid var(--border);background:#fbfcfb;border-radius:6px;padding:0 12px;font-size:.92rem}.field input::placeholder{color:#9aa4aa}.amount-input{position:relative}.amount-input input{padding-right:36px}.amount-input span{color:var(--muted);font-size:.8rem;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.split-fieldset{margin:0}.split-fieldset legend{padding:0 5px}.segmented-control{background:var(--soft);border-radius:6px;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;margin-top:4px;padding:4px;display:grid}.segment-option{position:relative}.segment-option input{opacity:0;pointer-events:none;position:absolute}.segment-option span{min-height:42px;color:var(--muted);cursor:pointer;border-radius:4px;justify-content:center;align-items:center;padding:8px 12px;font-size:.84rem;font-weight:800;display:flex}.segment-option input:checked+span{color:var(--primary-strong);background:var(--surface);box-shadow:0 2px 7px #1d2a351a}.segment-option:focus-within{border-radius:4px;outline:3px solid #245f5233}.receipt-section{grid-template-columns:1fr auto;align-items:center;gap:12px;display:grid}.receipt-section p{color:var(--muted);margin-top:4px;font-size:.72rem}.file-button,.primary-button,.secondary-button{border-radius:6px;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:10px 16px;font-size:.84rem;font-weight:800;text-decoration:none;display:inline-flex}.file-button{color:var(--primary);background:var(--soft);cursor:pointer;border:1px solid #cddbd5}.file-button svg,.primary-button svg,.secondary-button svg{width:18px;height:18px}.upload-status{color:var(--success);text-overflow:ellipsis;white-space:nowrap;grid-column:1/-1;align-items:center;gap:6px;font-size:.75rem;display:flex;overflow:hidden}.upload-status svg{flex:none;width:15px;height:15px}.primary-button{color:#fff;background:var(--primary);border:1px solid var(--primary);box-shadow:0 5px 14px #245f522e}.primary-button:hover{background:var(--primary-strong)}.secondary-button{color:var(--primary);background:var(--surface);border:1px solid #bfd0c9}.form-page>.primary-button,.settings-page>.primary-button{align-self:flex-end;min-width:160px}.expense-list{flex-direction:column;gap:9px;margin:0;padding:0;list-style:none;display:flex}.expense-item{background:var(--surface);border:1px solid var(--border);border-radius:8px;grid-template-columns:1fr auto;align-items:center;gap:6px;padding:10px;display:grid;box-shadow:0 4px 14px #1d2a3509}.expense-main{min-width:0;color:inherit;text-align:left;background:0 0;border:0;grid-template-columns:42px 1fr;align-items:center;gap:11px;padding:3px;display:grid}.expense-category{width:42px;height:42px;color:var(--primary);border-radius:7px;place-items:center;display:grid}.expense-category svg{width:20px;height:20px}.expense-copy{flex-direction:column;gap:4px;min-width:0;display:flex}.expense-title-row{grid-template-columns:minmax(0,1fr) auto;align-items:baseline;gap:10px;display:grid}.expense-title-row strong{text-overflow:ellipsis;white-space:nowrap;font-size:.88rem;overflow:hidden}.expense-title-row b{color:var(--ink);white-space:nowrap;font-size:.9rem}.expense-meta,.expense-place{color:var(--muted);font-size:.68rem}.expense-place{align-items:center;gap:3px;display:flex}.expense-place svg{width:12px;height:12px}.expense-actions{gap:3px;display:flex}.icon-button{width:36px;height:36px;color:var(--muted);background:0 0;border:0;border-radius:6px;place-items:center;padding:0;display:grid}.icon-button:hover{background:var(--soft);color:var(--primary)}.icon-button.danger:hover{color:var(--danger);background:#faecec}.icon-button svg{width:17px;height:17px}.settlement-panel{background:#fff8ed;border:1px solid #ead8b9;border-radius:8px;grid-template-columns:54px 1fr auto;align-items:center;gap:16px;padding:22px;display:grid}.settlement-panel.is-settled{background:#eef7f3;border-color:#c8e0d7}.settlement-status-icon{color:#a76c21;background:#f6e5ca;border-radius:8px;place-items:center;width:54px;height:54px;display:grid}.is-settled .settlement-status-icon{color:var(--success);background:#d8ede4}.settlement-status-icon svg{width:27px;height:27px}.settlement-copy{min-width:0}.settlement-copy>span{color:var(--muted);font-size:.75rem;font-weight:700}.settlement-copy strong{margin-top:2px;font-size:1.65rem;display:block}.settlement-copy p{color:var(--muted);margin-top:5px;font-size:.74rem;line-height:1.5}.history-list{margin-top:12px}.history-row{border-bottom:1px solid #edf1ef;grid-template-columns:1fr auto 72px;align-items:center;gap:12px;padding:12px 0;font-size:.8rem;display:grid}.history-row:last-child{border-bottom:0}.history-row>b{font-size:.82rem}.notice{border:1px solid;border-radius:6px;align-items:center;gap:8px;padding:11px 13px;font-size:.8rem;line-height:1.5;display:flex}.notice svg{width:17px;height:17px}.notice.error{color:#8f2929;background:#fff0f0;border-color:#efcaca}.notice.success{color:#185e49;background:#edf8f3;border-color:#c7e4d9}.loading-state,.empty-state{min-height:180px;color:var(--muted);justify-content:center;align-items:center;font-size:.82rem;display:flex}.empty-state{background:var(--surface);border:1px dashed var(--border);border-radius:8px;flex-direction:column;gap:8px}.empty-state svg{color:#9ca8a2;width:30px;height:30px}.empty-copy{color:var(--muted);text-align:center;padding:14px 0;font-size:.78rem}.visually-hidden{clip:rect(0, 0, 0, 0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.spin{animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.bottom-nav{z-index:20;border:1px solid var(--border);background:#fffffff7;border-radius:8px;grid-template-columns:repeat(5,1fr);align-items:center;width:min(100% - 24px,620px);height:66px;padding:6px 8px;display:grid;position:fixed;bottom:12px;left:50%;transform:translate(-50%);box-shadow:0 12px 36px #1d2a3529}.bottom-nav a{color:#758078;border-radius:6px;flex-direction:column;justify-content:center;align-items:center;gap:3px;height:52px;font-size:.62rem;font-weight:700;text-decoration:none;display:flex}.bottom-nav a svg{width:20px;height:20px}.bottom-nav a.active{color:var(--primary);background:#eff5f2}.bottom-nav a.fab{color:#fff;background:var(--accent);border-radius:50%;place-self:center;width:48px;height:48px;box-shadow:0 7px 16px #e85d3f4d}.bottom-nav a.fab svg{width:24px;height:24px}@media (width<=620px){.content{padding-inline:12px}.page-header{align-items:flex-start}h1{font-size:1.4rem}.balance-card{grid-template-columns:42px 1fr;padding:18px}.balance-card .status-badge{position:absolute;top:14px;right:14px}.balance-amount{font-size:1.7rem}.chart-layout{grid-template-columns:1fr;gap:14px}.donut-chart{width:168px}.field-grid{grid-template-columns:1fr}.field-wide{grid-column:auto}.receipt-section{grid-template-columns:1fr}.file-button{width:100%}.settlement-panel{grid-template-columns:48px 1fr;padding:18px}.settlement-status-icon{width:48px;height:48px}.settlement-panel .primary-button,.settlement-panel .secondary-button{grid-column:1/-1;width:100%}.expense-actions{flex-direction:column}}@media (width>=720px){.content{padding:18px 28px 36px}.page{gap:20px}.app-header{padding-inline:28px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}