body{background:linear-gradient(180deg,#f8f9ff,#fff5fb,#f0f8ff);min-height:100vh;font-family:Noto Sans JP,sans-serif}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-card{background:#fff;border-radius:30px;box-shadow:0 20px 60px #667eea1a;overflow:hidden;max-width:1100px;width:100%}.login-row{display:flex;min-height:600px}.login-left{flex:1;background:linear-gradient(135deg,#667eea,#764ba2);padding:60px;display:flex;flex-direction:column;justify-content:center;color:#fff;position:relative;overflow:hidden}.login-left:before{content:"";position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:float 20s ease-in-out infinite}@keyframes float{0%,to{transform:rotate(0) scale(1)}50%{transform:rotate(180deg) scale(1.1)}}.login-left-content{position:relative;z-index:2}.login-brand{font-size:2.5rem;font-weight:900;margin-bottom:20px;text-shadow:2px 2px 8px rgba(0,0,0,.3)}.login-tagline{font-size:1.2rem;font-weight:300;line-height:1.8;opacity:.95;margin-bottom:30px}.login-features{list-style:none;padding:0;margin:0}.login-features li{padding:10px 0;display:flex;align-items:center;font-size:1rem}.login-features li i{margin-right:15px;font-size:1.2rem;opacity:.9}.login-right{flex:1;padding:60px;display:flex;flex-direction:column;justify-content:center}.login-header{text-align:center;margin-bottom:40px}.login-title{font-size:2rem;font-weight:700;color:#333;margin-bottom:10px;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-subtitle{color:#666;font-size:.95rem}.form-label{font-weight:600;color:#555;margin-bottom:8px;font-size:.9rem}.form-control,.form-select{border:2px solid #e8e8e8;border-radius:12px;padding:12px 16px;font-size:1rem;transition:all .3s ease;background:#fafafa}.form-control:focus,.form-select:focus{border-color:#667eea;box-shadow:0 0 0 .2rem #667eea1a;background:#fff}.form-check-input{width:20px;height:20px;border:2px solid #e8e8e8;border-radius:6px}.form-check-input:checked{background-color:#667eea;border-color:#667eea}.form-check-label{margin-left:8px;color:#666;font-size:.9rem}.btn-login{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:14px 40px;font-size:1.1rem;font-weight:600;border-radius:50px;cursor:pointer;transition:all .3s ease;width:100%;margin-top:10px}.btn-login:hover{transform:translateY(-2px);box-shadow:0 10px 30px #667eea4d;color:#fff}.auth-links{text-align:center;margin-top:30px}.auth-link{color:#667eea;text-decoration:none;font-size:.9rem;transition:all .3s ease}.auth-link:hover{color:#764ba2;text-decoration:underline}.divider{margin:20px 0;text-align:center;position:relative}.divider:before{content:"";position:absolute;top:50%;left:0;right:0;height:1px;background:#e8e8e8}.divider span{background:#fff;padding:0 15px;position:relative;color:#999;font-size:.85rem}.social-login{display:flex;gap:10px;margin-top:20px}.btn-social{flex:1;padding:10px;border:2px solid #e8e8e8;border-radius:12px;background:#fff;color:#666;font-size:.9rem;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:8px}.btn-social:hover{border-color:#667eea;color:#667eea;background:#667eea0d}.text-danger{color:#e74c3c;font-size:.85rem;margin-top:5px}.alert-success{background:#28a7451a;border:1px solid rgba(40,167,69,.2);color:#155724;padding:12px 16px;border-radius:12px;margin-bottom:20px;font-size:.9rem}@media (max-width: 768px){.login-row{flex-direction:column}.login-left{padding:40px;min-height:300px}.login-right{padding:40px}.login-brand{font-size:2rem}.login-title{font-size:1.5rem}}