:root{--brand: #1a6b54;--brand-dark: #11503e;--brand-pale: #e8f3ef;--text: #1f2a26;--text-sub: #5c6b65;--line: #d9e2de;--bg: #f6f9f8;--card: #ffffff;--danger: #b3261e;--radius: 12px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,Yu Gothic,Meiryo,system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}.header{background:var(--card);border-bottom:1px solid var(--line);padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.header h1{font-size:18px;margin:0;color:var(--brand-dark)}.header .office-link{font-size:12px;color:var(--text-sub);text-decoration:none}.header .office-link strong{color:var(--brand);display:block;font-size:13px}.layout{max-width:1080px;margin:0 auto;padding:16px;display:grid;grid-template-columns:1fr;gap:16px}@media(min-width:768px){.layout{grid-template-columns:minmax(0,1fr) 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