.sb48-membership-wrap{--sb48-blue:#0a3d78;--sb48-blue2:#061f41;--sb48-gold:#d7ad43;--sb48-silver:#c9d1d9;--sb48-black:#05080d;max-width:1050px;margin:32px auto;background:linear-gradient(145deg,#071424,#02060b);border:1px solid rgba(201,209,217,.35);border-radius:18px;color:#eef4fa;overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.35)}
.sb48-form-header{padding:42px 32px;text-align:center;background:radial-gradient(circle at top,#0f4f96 0,#071a32 62%,#05080d 100%);border-bottom:3px solid var(--sb48-gold)}
.sb48-form-header h1{margin:.25rem 0 .7rem;color:#fff;font-size:clamp(2rem,5vw,3.4rem);letter-spacing:.02em}.sb48-form-header p{max-width:760px;margin:.4rem auto;color:#dbe7f3}.sb48-eyebrow{font-weight:800;letter-spacing:.17em;color:var(--sb48-gold)!important;font-size:.82rem}.sb48-free-visit{display:inline-block;margin-top:16px;padding:10px 18px;border:1px solid var(--sb48-gold);border-radius:999px;color:#fff;background:rgba(215,173,67,.11);font-weight:700}
.sb48-membership-form{padding:30px}.sb48-membership-form fieldset{margin:0 0 26px;padding:24px;border:1px solid rgba(201,209,217,.28);border-radius:14px;background:rgba(255,255,255,.035)}.sb48-membership-form legend{padding:0 10px;color:var(--sb48-gold);font-size:1.25rem;font-weight:800}.sb48-membership-form label{display:block;color:#eef4fa;font-weight:650}.sb48-membership-form label span,.sb48-required,.sb48-required-note span{color:#ffd363}.sb48-membership-form input[type=text],.sb48-membership-form input[type=email],.sb48-membership-form input[type=tel],.sb48-membership-form select,.sb48-membership-form textarea{box-sizing:border-box;width:100%;margin-top:7px;padding:12px 13px;border:1px solid #6f8194;border-radius:8px;background:#f8fbff;color:#071424;font:inherit}.sb48-membership-form input:focus,.sb48-membership-form select:focus,.sb48-membership-form textarea:focus{outline:3px solid rgba(215,173,67,.28);border-color:var(--sb48-gold)}
.sb48-grid{display:grid;gap:18px}.sb48-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.sb48-span-2{grid-column:1/-1}.sb48-tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.sb48-tier{position:relative;padding:19px;border:1px solid #64798e;border-radius:12px;background:#091b30;cursor:pointer}.sb48-tier:hover{border-color:var(--sb48-gold)}.sb48-tier input{margin-right:7px}.sb48-tier strong{display:block;margin:8px 0 4px;color:#fff;font-size:1.25rem}.sb48-tier span{display:block;color:var(--sb48-silver)!important;font-weight:500}.sb48-inline-options{display:flex;flex-wrap:wrap;gap:14px 22px;align-items:center;margin-top:20px}.sb48-inline-options>span{font-weight:800}.sb48-inline-options label{display:inline-flex;gap:7px;align-items:center}.sb48-check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 18px;margin-bottom:18px}.sb48-check-grid label,.sb48-agreement{font-weight:500}.sb48-agreement{margin:12px 0;line-height:1.55}.sb48-note{color:#bfcbd6;font-size:.93rem}.sb48-submit{display:block;width:100%;padding:15px 20px;border:0;border-radius:9px;background:linear-gradient(180deg,#e4bd57,#b98b24);color:#061426;font-size:1.05rem;font-weight:900;letter-spacing:.025em;cursor:pointer}.sb48-submit:hover{filter:brightness(1.08);transform:translateY(-1px)}.sb48-required-note{text-align:center;color:#bac7d4}.sb48-alert{max-width:1050px;margin:20px auto;padding:15px 18px;border-radius:10px}.sb48-success{border:1px solid #5cc18b;background:#eafaf1;color:#123f27}.sb48-error{border:1px solid #d66;background:#fff0f0;color:#671c1c}.sb48-hp{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;opacity:0!important}
@media(max-width:760px){.sb48-membership-form{padding:18px}.sb48-form-header{padding:34px 20px}.sb48-grid-2,.sb48-tier-grid,.sb48-check-grid{grid-template-columns:1fr}.sb48-span-2{grid-column:auto}.sb48-membership-form fieldset{padding:18px}}