body {
            font-family: 'Noto Sans JP', sans-serif;
            color: #202422;
            background-color: #F6F7F4;
            line-height: 2.1;
            letter-spacing: 0.04em;
        }

        /* Sidebar Navigation link active styling */
        .sidebar-nav-link {
            transition: all 0.25s ease;
            border-left: 3px solid transparent;
        }
        .sidebar-nav-link:hover, .sidebar-nav-link.active {
            background-color: #EEF3EF;
            border-left-color: #1B3B2B;
            color: #1B3B2B;
            font-weight: 700;
        }

        /* Subpage Editorial Accent Lines */
        .editorial-quote-box {
            position: relative;
            background: #FFFFFF;
            border: 1px solid #DCE3DD;
            border-left: 5px solid #1B3B2B;
        }

        .vertical-writing {
            writing-mode: vertical-rl;
            text-orientation: upright;
        }

        /* Hover Lift Animations */
        .hover-lift {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .hover-lift:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px -5px rgba(27, 59, 43, 0.08);
        }

        /* Decorative Paper Pattern Overlay */
        .pattern-bg {
            background-image: radial-gradient(#2D553E 0.5px, transparent 0.5px);
            background-size: 24px 24px;
            opacity: 0.05;
        }