.arpba-login-wrap{position:relative;width:min(920px,100%);display:grid;grid-template-columns:430px 1fr;gap:16px;align-items:start}.arpba-login-wrap .arpba-login-card{width:100%}.arpba-signup-panel{background:rgba(255,253,250,.97);border:1px solid rgba(255,255,255,.55);border-radius:14px;box-shadow:0 24px 70px rgba(0,0,0,.24);overflow:hidden;backdrop-filter:blur(8px)}.arpba-signup-panel summary{padding:16px 20px;color:#0d2945;font-weight:bold;cursor:pointer;list-style:none}.arpba-signup-panel summary::-webkit-details-marker{display:none}.arpba-signup-panel summary:after{content:'＋';float:right;color:#1688d0}.arpba-signup-panel[open] summary{border-bottom:1px solid #e5ded4}.arpba-signup-panel[open] summary:after{content:'−'}.arpba-signup-body{padding:20px}.arpba-signup-body h2{font:700 23px Georgia,serif;margin:4px 0}.arpba-signup-body>p{color:#697986;margin:0 0 14px}.arpba-login-signup{max-height:60vh;overflow:auto;padding-right:5px}.arpba-login-signup .arpba-submit{width:100%}@media(max-width:850px){.arpba-login{align-items:start}.arpba-login-wrap{grid-template-columns:1fr;width:min(520px,100%);margin:auto}.arpba-login-signup{max-height:none}}