:root{color-scheme:light;--ink:#172e2a;--muted:#64756f;--green:#103d37;--accent:#b9e7a1;--line:#dfe6de;--paper:#f5f6ef;--white:#fff;--radius:22px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif}
.billing-panel .billing-total{display:flex;align-items:baseline;gap:12px;margin:14px 0;color:var(--ink)}
.billing-total strong{font-size:36px;font-weight:650;line-height:1.2;letter-spacing:-1px;font-variant-numeric:tabular-nums}.billing-total span{font-size:11px;color:var(--muted)}
.billing-parts{display:flex;gap:14px 24px;flex-wrap:wrap;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:10px;color:var(--muted)}.billing-parts b{display:block;color:var(--ink);font-size:15px;font-weight:550;font-variant-numeric:tabular-nums}
.billing-panel .billing-updated{font-size:10px;line-height:1.7;margin:12px 0 0}.billing-panel .hint{font-size:10px;line-height:1.8}
.model-label{display:block;margin:12px 0 6px;color:var(--muted);font-size:12px}.model-button{margin-top:12px}#model-choice{font-size:16px}#current-model{color:var(--ink)}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-size:15px;line-height:1.65}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0}button:disabled{cursor:default;opacity:.42}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #7aab8d;outline-offset:3px}[hidden]{display:none!important}.shell{width:min(100%,620px);margin:auto;padding:28px 22px 168px}header{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}.brand{text-decoration:none;display:flex;gap:11px;align-items:center;font-size:20px;font-weight:750;letter-spacing:-.5px}.brand small{display:block;font-size:10px;font-weight:500;letter-spacing:.5px;color:var(--muted)}.quiet{background:transparent;color:var(--muted);padding:12px;min-height:44px;font-size:13px}.demo-banner{background:#fcf0d7;border:1px solid #e3cf9d;color:#755920;padding:10px 14px;border-radius:12px;font-size:12px;margin:0 0 16px}.hero{padding:25px 25px 0;background:var(--green);border-radius:var(--radius);color:#eef4e9;box-shadow:0 12px 30px #163b3510}.eyebrow{font-size:11px;font-weight:650;letter-spacing:1.4px;display:flex;align-items:center;gap:8px}.dot{width:7px;height:7px;background:#91a19a;border-radius:50%}.dot.on{background:var(--accent);box-shadow:0 0 0 4px #b9e7a114}.region{margin-left:auto;color:#89a79c;font-size:9px}.hero h1{font-size:28px;font-weight:650;letter-spacing:-.7px;margin:24px 0 5px;line-height:1.35}.hero>p{font-size:13px;color:#b4c9bb;margin:0 0 25px;min-height:22px}.chat-link{display:flex;justify-content:space-between;align-items:center;background:var(--accent);color:#173d2f;text-decoration:none;padding:13px 17px;border-radius:12px;font-size:14px;font-weight:650;min-height:48px}.chat-link[aria-disabled=true]{opacity:.6}.hero-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:23px;padding:18px 0;border-top:1px solid #ffffff1f;font-size:12px;font-weight:550}.hero-bottom small{display:block;font-size:10px;color:#9eb9a8;font-weight:400;margin-top:2px}.model-tag{font-size:9px;letter-spacing:.6px;border:1px solid #ffffff30;border-radius:6px;padding:4px 7px;color:#b1c6b9}.cost-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}.cost-card{background:#ecf0e5;border:1px solid #e1e7d7;border-radius:16px;padding:17px 18px}.label{font-size:11px;color:#586d60}.cost-card p{margin:7px 0 0;line-height:1.25}.cost-card b{font-size:29px;font-weight:650;font-variant-numeric:tabular-nums;letter-spacing:-1px}.cost-card p>span{font-size:11px;color:var(--muted)}.cost-card small{font-size:9px;color:#7d897a}.panel{border:1px solid var(--line);background:var(--white);border-radius:18px;padding:21px;margin:16px 0}.panel h2{font-size:14px;font-weight:650;margin:0;letter-spacing:-.2px}.panel-heading{display:flex;gap:10px;align-items:center;justify-content:space-between}.panel>p{color:var(--muted);font-size:12px;margin:10px 0 16px}.pill{white-space:nowrap;font-size:9px;background:#f0f2ed;color:#748270;border-radius:20px;padding:4px 9px}.pill.on{color:#3b6951;background:#eaf3e2}.countdown{display:flex;align-items:center;justify-content:space-between;background:#f5f7f2;padding:12px 15px;margin:16px 0;border-radius:10px;font-size:11px;color:var(--muted)}.countdown strong{font-size:16px;font-weight:550;color:var(--ink);font-variant-numeric:tabular-nums}.full{width:100%}.secondary{background:#fff;border:1px solid #d7e0d4;border-radius:10px;color:#2e5745;padding:11px 14px;min-height:44px;font-size:12px;font-weight:550}.metrics{margin:12px 0 19px;font-size:12px}.metrics>div{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid #edf0e9}.metrics dt{color:var(--muted)}.metrics dd{margin:0;font-size:12px;font-weight:550;text-align:right}.compact{margin:9px 0}.panel .hint{font-size:10px;line-height:1.75;margin:12px 0 0;color:#879081}.select-row{display:flex;gap:12px;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted);margin:18px 0}select{padding:9px 11px;font-size:12px;color:var(--ink);border:1px solid var(--line);border-radius:8px;background:#fff;min-height:44px}.monthly-total{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;padding:3px 0 10px}.monthly-total b{font-size:30px;letter-spacing:-1px;font-weight:600}.monthly-total>span{font-size:12px;color:var(--muted)}.monthly-total strong{font-weight:500}.panel summary{font-size:12px;cursor:pointer;color:var(--muted);min-height:24px}.events{list-style:none;padding:0;margin:15px 0 0;font-size:11px;color:var(--muted)}.events li{display:flex;justify-content:space-between;gap:8px;border-top:1px solid #edf0e9;padding:9px 0}.home-tip{display:flex;align-items:center;gap:13px;padding:5px 17px;color:#697968}.home-tip>span{font-size:30px;color:#869981}.home-tip p{font-size:11px;margin:6px 0}.home-tip small{display:block;font-size:10px;color:#90998c}.connection-note{text-align:center;font-size:10px;color:#97a08f;margin:12px 0 0}.action-dock{position:fixed;bottom:0;left:0;right:0;background:#f5f6eff5;backdrop-filter:blur(12px);border-top:1px solid #dfe6de;padding:15px 22px max(13px,env(safe-area-inset-bottom));z-index:10}.action-dock>div{display:flex;gap:10px;max-width:576px;margin:auto}.primary{min-height:50px;border-radius:12px;padding:13px 22px;background:var(--green);color:#fff;font-size:14px;font-weight:600;flex:1}.stop{min-height:50px;min-width:90px;border:1px solid #d2dace;border-radius:12px;background:#fff;color:#657261;font-size:14px;padding:12px 20px}.action-dock>small{display:block;text-align:center;margin-top:9px;font-size:9px;color:#85907d}.toast{position:fixed;left:20px;right:20px;bottom:132px;margin:auto;max-width:580px;background:#233c31;color:#fff;border-radius:13px;padding:15px 18px;font-size:12px;z-index:20;box-shadow:0 8px 24px #0003}.login-body{min-height:100dvh;display:grid;place-items:center;padding:24px}.login-card{width:min(100%,400px);background:#fff;border:1px solid var(--line);border-radius:24px;padding:35px}.login-card h1{font-size:25px;margin:20px 0 8px}.login-card>p{color:var(--muted);font-size:13px}.login-card .eyebrow{margin-top:24px;font-size:10px}.login-card form{margin-top:30px}.login-card label{font-size:12px;color:var(--muted)}.login-card input{width:100%;display:block;border:1px solid var(--line);border-radius:10px;min-height:48px;padding:12px;margin:8px 0 20px;font-size:16px}.login-card #error{font-size:12px;color:#9e3b2b;min-height:20px}@media(max-width:360px){.shell{padding-left:15px;padding-right:15px}.hero{padding-left:20px;padding-right:20px}.panel{padding:17px}.cost-card{padding:15px}.panel h2{font-size:13px}}@media(prefers-reduced-motion:no-preference){.hero,.panel{animation:enter .3s ease-out}@keyframes enter{from{opacity:.6;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}}