:root{--paper:#f7f2e8;--card:#fffdf7;--green:#1f5a45;--green-dark:#153d30;--green-soft:#e5eee8;--coral:#c84c36;--coral-dark:#a93f2c;--ink:#202722;--muted:#56645c;--line:#cbd5ce;--warning-bg:#fff1d6;--warning-ink:#6a4600;--postpone:#6d5635;--shadow:0 16px 45px #2027221a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);margin:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic,YuGothic,Meiryo,sans-serif;font-size:18px;line-height:1.6}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}a{color:var(--green-dark)}button:focus-visible,a:focus-visible,input:focus-visible{outline-offset:3px;outline:3px solid #0a704f}.app-shell{min-height:100vh}.app-header{background:var(--green-dark);color:#fff;align-items:center;gap:20px;padding:28px max(20px,50vw - 380px);display:flex;position:relative;overflow:hidden}.app-header:after{content:"";border:34px solid 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