*{box-sizing:border-box}:root{--bg:#f6f7f8;--card:#fff;--text:#222;--muted:#6b7280;--line:#e5e7eb;--primary:#222;--soft:#f0f2f4;--danger:#b42318}html{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;background:var(--bg);color:var(--text)}body{margin:0;padding-bottom:78px}a{color:inherit}.topbar{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line)}.topbar strong{font-size:1.1rem}.topbar .sub{display:block;font-size:.78rem;color:var(--muted);margin-top:2px}.container{width:min(900px,100%);margin:0 auto;padding:14px}.summary-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:12px}.summary-card,.card{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 2px 10px rgba(0,0,0,.03)}.summary-card{padding:14px;min-height:116px;display:flex;flex-direction:column;gap:7px;justify-content:center}.card{padding:16px;margin:12px 0}.card h2{font-size:1.08rem;margin:0 0 14px}.label{font-size:.78rem;color:var(--muted)}.big-number{font-size:2rem;line-height:1}.big-number small{font-size:1rem;margin-left:3px}.status-large{font-size:2rem}.status-best,.status-good{color:#16794a}.status-warn{color:#9a6700}.status-bad{color:#b42318}.muted{color:var(--muted)}.small{font-size:.82rem}.text-link{font-size:.9rem;text-decoration:none;color:#3b5ccc}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.form-grid .full{grid-column:1/-1}label{font-size:.86rem;font-weight:600;display:flex;flex-direction:column;gap:6px}input,select,textarea{width:100%;font:inherit;border:1px solid #cfd4da;border-radius:11px;padding:12px;background:#fff;color:var(--text)}button,.button-link{font:inherit;font-weight:700;border:0;border-radius:11px;padding:12px 16px;cursor:pointer;text-decoration:none;text-align:center;display:inline-flex;justify-content:center;align-items:center}.primary{background:var(--primary);color:#fff}.secondary{background:var(--soft);color:var(--text)}.danger-button{background:#fff0f0;color:var(--danger);padding:8px 11px;font-size:.8rem}.alert{border-radius:12px;padding:11px 13px;margin:0 0 12px}.alert.success{background:#ecfdf3;color:#05603a}.alert.danger{background:#fff1f0;color:#b42318}.calc-box{border:1px dashed #c8cdd3;background:#fafafa;border-radius:12px;padding:12px;display:grid;grid-template-columns:1fr auto;gap:6px 12px;align-items:center;font-size:.85rem}.feeding-list{margin-top:15px;border-top:1px solid var(--line)}.feeding-row{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-bottom:1px solid var(--line)}.feeding-row div{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}.feeding-total{padding-top:12px;font-weight:700}.section-head{display:flex;align-items:center;justify-content:space-between}.section-head h2{margin-bottom:0}.weight-chart{width:100%;height:auto;margin-top:14px}.grid{stroke:#e8eaed;stroke-width:1}.axis-text{font-size:12px;fill:#7b8189}.weight-line{fill:none;stroke:currentColor;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.weight-point{fill:currentColor}.x-text{font-size:1rem;line-height:1.7;background:#fafafa}.button-row{display:flex;gap:10px;margin-top:10px}.button-row>*{flex:1}.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:20;background:rgba(255,255,255,.96);border-top:1px solid var(--line);display:flex;justify-content:space-around;padding:8px 8px calc(8px + env(safe-area-inset-bottom))}.bottom-nav a{text-decoration:none;font-size:1.2rem;text-align:center;min-width:70px}.bottom-nav span{display:block;font-size:.68rem;margin-top:2px;color:var(--muted)}.history-table-wrap{overflow:auto}.history-table{width:100%;border-collapse:collapse;min-width:620px}.history-table th,.history-table td{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left;vertical-align:top;font-size:.88rem}.login-body{min-height:100vh;display:grid;place-items:center;padding:18px}.login-card{width:min(420px,100%);background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 8px 30px rgba(0,0,0,.06)}.login-card h1{text-align:center}.login-card form{display:grid;gap:14px;margin-top:20px}.hero-rabbit{text-align:center;font-size:3rem}@media(min-width:760px){.summary-grid{grid-template-columns:repeat(4,1fr)}}@media(max-width:520px){.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}}