:root{--bg-base:#f5f8f7;--bg-sidebar:#fff;--bg-card:#fff;--bg-input:#fff;--border-color:#2e5c551f;--border-glow:#2e5c5514;--primary:#2e5c55;--primary-hover:#1b3d38;--primary-glow:#2e5c5514;--primary-gradient:linear-gradient(135deg, #2e5c55, #1b3d38);--secondary:#c29d23;--secondary-hover:#9c7c1b;--secondary-gradient:linear-gradient(135deg, #d4af37, #b08d1a);--shadow-ambient:0 10px 30px #2e5c550a;--text-primary:#182825;--text-secondary:#4a5c59;--text-muted:#7d908d;--text-on-primary:#fff;--brand-blue:#2e5c55;--brand-blue-hover:#1b3d38;--brand-blue-gradient:linear-gradient(135deg, #2e5c55, #1b3d38);--brand-blue-glow:#2e5c5526;--brand-blue-light:#2e5c5508;--success:#10b981;--success-glow:#10b9811a;--danger:#ef4444;--danger-glow:#ef44441a;--warning:#f59e0b;--sidebar-width:280px;--header-height:70px;--font-family:"Plus Jakarta Sans", "Inter", "Noto Sans JP", sans-serif;--font-family-display:"Outfit", "Plus Jakarta Sans", "Noto Sans JP", sans-serif;--shadow-sm:0 2px 8px #2e5c550f;--shadow-md:0 8px 24px #2e5c551a;--shadow-lg:0 16px 40px #2e5c5526;--shadow-glow:0 0 20px #c29d2326;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.4s cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;width:100vw;height:100dvh;overflow:hidden}button,input,textarea,select{color:inherit;font-family:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#00255426;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#0025544d}.app-container{height:100dvh;height:var(--visual-viewport-height,100dvh);background-image:radial-gradient(circle at 10% 20%,#0025540a 0%,#0000 50%),radial-gradient(circle at 90% 80%,#2e5c5508 0%,#0000 50%),radial-gradient(circle at 50% 10%,#c29d2308 0%,#0000 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#0000;border-radius:12px;align-items:center;gap:12px;padding:12px 16px;font-size:.95rem;font-weight:600;display:flex}.menu-button:hover{color:var(--text-primary);background:#2e5c550a}.menu-button.active{background:var(--brand-blue-light);color:var(--brand-blue);border-color:#00255426;box-shadow:0 4px 12px #00255408}.menu-button.active svg{color:var(--brand-blue);filter:drop-shadow(0 1px 2px #00255433)}.sidebar-footer{border-top:1px solid var(--border-color);background:#2e5c5505;padding:20px}.api-status{color:var(--text-secondary);align-items:center;gap:8px;font-size:.8rem;display:flex}.status-dot{background:var(--text-muted);border-radius:50%;width:8px;height:8px}.status-dot.active{background:var(--success);box-shadow:0 0 8px var(--success);animation:2s infinite pulse}@keyframes pulse{0%{opacity:.6}50%{opacity:1}to{opacity:.6}}.main-content{flex-direction:column;flex-grow:1;height:100%;display:flex;overflow:hidden}.main-header{height:var(--header-height);border-bottom:1px solid 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var(--border-color);max-width:800px;box-shadow:var(--shadow-sm);border-radius:16px;padding:24px;font-size:.95rem;line-height:1.8}.liff-header{background:var(--brand-blue);border-bottom:1px solid var(--border-color);flex-shrink:0;justify-content:space-between;align-items:center;height:48px;padding:0 16px;display:flex}.liff-header-brand{align-items:center;gap:6px;display:flex}.liff-header-brand .brand-logo{font-size:1.1rem}.liff-header-brand h2{font-family:var(--font-family-display);color:var(--primary);letter-spacing:.5px;font-size:.88rem;font-weight:700}.liff-user-badge{color:var(--primary);background:#e5c1581a;border:1px solid #e5c15840;border-radius:20px;align-items:center;gap:6px;padding:3px 8px;font-size:.72rem;display:flex}.app-container.liff-mode{flex-direction:row}.liff-mode .sidebar{display:flex}.liff-mode .liff-bottom-nav{display:none!important}@media (width<=768px){.app-container.liff-mode{flex-direction:column}.liff-mode .sidebar{display:none!important}.liff-mode .liff-bottom-nav{display:flex!important}}.liff-bottom-nav{height:calc(60px + env(safe-area-inset-bottom));background:var(--bg-sidebar);border-top:1px solid var(--border-color);z-index:100;padding-bottom:env(safe-area-inset-bottom);flex-shrink:0;display:flex;box-shadow:0 -4px 16px #0000000a}.liff-nav-item{color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:4px;padding:6px 0;display:flex}.liff-nav-item span{font-size:.7rem;font-weight:500;display:block}.liff-nav-item.active{color:var(--text-primary)}.liff-nav-item.active svg{color:var(--text-primary);filter:drop-shadow(0 1px 2px #12121226)}@media (width>=769px){.liff-bottom-nav{justify-content:center;gap:40px;height:70px}.liff-nav-item{border-radius:12px;flex-direction:row;flex:none;gap:10px;width:160px;padding:10px 20px;font-size:1rem}.liff-nav-item svg{width:22px;height:22px}.liff-nav-item span{font-size:.95rem;font-weight:600}.liff-nav-item:hover{color:var(--text-primary);background:#12121208}.liff-nav-item.active{background:var(--brand-blue-light);color:var(--primary)}}@media (width<=768px){.viewer-layout{flex-direction:column}.viewer-sidebar{border-right:none;border-bottom:1px solid var(--border-color);width:100%}.viewer-nav-list{flex-direction:row;overflow-x:auto}.viewer-content{padding-bottom:calc(24px + env(safe-area-inset-bottom))!important}}.login-input{border:1px solid var(--border-color);box-sizing:border-box;width:100%;box-shadow:var(--shadow-sm);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);background:#fff;border-radius:8px;outline:none;padding:14px 16px;font-size:1rem}.login-input:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-glow)}.share-form{gap:12px;width:100%;margin-bottom:20px;display:flex}.share-email-input{flex-grow:1;padding:14px 16px;font-size:1rem}.share-btn{white-space:nowrap;padding:14px 24px;font-size:1rem}@media (width<=480px){.share-form{flex-direction:column;gap:10px}.share-btn{width:100%}}.contract-overview-card,.share-settings-card{background:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);text-align:left;box-sizing:border-box;width:100%;max-width:800px;transition:all var(--transition-normal);border-radius:16px;margin:0 auto;padding:20px}.share-settings-card{margin-top:20px}.contract-overview-card h4,.share-settings-card h4{color:var(--primary);font-size:1.1rem;font-weight:800;font-family:var(--font-family-display);align-items:center;gap:8px;margin-top:0;margin-bottom:16px;display:flex}.overview-grid{grid-template-columns:repeat(2,1fr);gap:12px 20px;display:grid}.overview-item span{color:var(--text-muted);margin-bottom:2px;font-size:.75rem;display:block}.overview-item strong{color:var(--text-primary);font-size:.9rem;font-weight:700}.overview-item.span-all{grid-column:span 2}.viewer-doc-container{flex-direction:column;gap:20px;width:100%;max-width:800px;margin:0 auto;display:flex}@media (width>=769px){.viewer-sidebar{width:280px}.viewer-nav-btn{gap:12px;padding:12px 16px;font-size:1.05rem}.viewer-sidebar-title{padding:20px 16px;font-size:.95rem}.viewer-doc-container{gap:30px;max-width:1200px}.contract-overview-card,.share-settings-card{max-width:1200px;box-shadow:var(--shadow-md);border-radius:24px;padding:40px}.share-settings-card{margin-top:40px}.contract-overview-card h4,.share-settings-card h4{margin-bottom:30px;font-size:1.5rem}.overview-grid{grid-template-columns:repeat(3,1fr);gap:24px 40px}.overview-item.span-all{grid-column:span 3}.overview-item span{margin-bottom:6px;font-size:.95rem}.overview-item strong{font-size:1.3rem}.share-settings-card p{margin-bottom:24px!important;font-size:1.05rem!important}.share-settings-card h5{margin-bottom:16px!important;font-size:1.1rem!important}.share-email-input{padding:16px 20px!important;font-size:1.15rem!important}.share-btn{padding:16px 40px!important;font-size:1.15rem!important}}