:root{--navy: #1a2e4a;--blue: #2a5298;--accent: #c8a04a;--light: #f5f3ee;--text: #333;--border: #d0cdc5}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{font-family:Hiragino Kaku Gothic ProN,Meiryo,sans-serif;font-size:15px;line-height:1.8;color:var(--text);background:#e8e4dc}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}header{background:var(--navy);color:#fff;padding:16px 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}header .site-title{font-size:20px;font-weight:700;letter-spacing:.05em;color:#fff}header .site-title a{color:#fff;text-decoration:none}header .site-title span{display:block;font-size:12px;font-weight:400;color:#acf;margin-top:2px}header .contact-info{text-align:right;font-size:13px;color:#ddd;line-height:1.6}header .contact-info 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