:root{--navy: #0d5c55;--navy-700: #0a4a44;--navy-300: #3f8f86;--ink: #111418;--paper: #ffffff;--paper-2: #f4f6f9;--line: #d9dee6;--muted: #5b6675;--danger: #c0392b;--radius: 14px;--tap: 56px}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{font-family:system-ui,-apple-system,Hiragino Kaku Gothic ProN,Noto Sans JP,Meiryo,sans-serif;color:var(--ink);background:var(--paper-2);-webkit-font-smoothing:antialiased}.screen{max-width:480px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;padding:env(safe-area-inset-top) 20px calc(env(safe-area-inset-bottom) + 20px)}.center{justify-content:center}h1{font-size:22px;margin:0 0 4px}.wordmark{font-size:32px;font-weight:800;letter-spacing:-.02em;color:var(--navy);text-align:center;margin:0 0 24px}.subtitle{color:var(--muted);margin:0 0 24px;font-size:14px}label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px}input,select{width:100%;height:var(--tap);padding:0 14px;font-size:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper)}button{width:100%;min-height:var(--tap);border:none;border-radius:var(--radius);background:var(--navy);color:#fff;font-size:16px;font-weight:600;cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}button.secondary{background:transparent;color:var(--navy-300);font-weight:500}.error{color:var(--danger);font-size:13px;margin-top:12px}.banner{background:var(--navy);color:#fff;text-align:center;font-size:13px;padding:8px;border-radius:var(--radius);margin-bottom:16px}.banner.warn{background:var(--danger)}.home-header{display:flex;align-items:center;justify-content:space-between}.timeline{flex:1;margin:16px 0;display:flex;align-items:center;justify-content:center;color:var(--muted);text-align:center;font-size:14px;border:1px dashed var(--line);border-radius:var(--radius);padding:24px}.record-btn{width:84px;height:84px;border-radius:50%;background:var(--danger);align-self:center;margin:8px 0 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