:root{--green: #1d6b52;--green-deep: #124534;--green-soft: #e6f2ec;--green-mid: #3f8f72;--ink: #26312c;--sub: #63736c;--bg: #f4f6f4;--card: #fff;--line: #dfe6e1;--amber: #a86a00;--amber-soft: #fdf3e0;--blue: #2b5f8a;--blue-soft: #e9f1f7;--red: #b03a2e;--red-soft: #fbecea}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Yu Gothic UI,Yu Gothic,Hiragino Kaku Gothic ProN,Noto Sans JP,Meiryo,sans-serif;background:var(--bg);color:var(--ink);font-size:13px;line-height:1.6}.app{display:grid;grid-template-columns:216px 1fr;min-height:100vh}@media(max-width:980px){.app{grid-template-columns:1fr}.side{display:none}}.side{background:var(--green-deep);color:#dcebe3;padding:18px 0;position:sticky;top:0;height:100vh}.side .brand{padding:0 18px 16px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:12px}.side .brand .t{font-size:15px;font-weight:700;color:#fff}.side .brand .s{font-size:10px;color:#9dc4b2;margin-top:2px}.nav a,.nav 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