*,*:before,*:after{box-sizing:border-box}:root{--primary-color: #38bdf8;--primary-hover: #0ea5e9;--text-dark: #1e293b;--text-dim: #475569;--glass-bg: rgba(255, 255, 255, .45);--glass-border: rgba(255, 255, 255, .8)}body{margin:0;font-family:Inter,Noto Sans JP,sans-serif;overflow:hidden;background-color:#f0f9ff}#root{width:100vw;height:100vh}.container{position:relative;width:100%;height:100%;overflow:hidden;display:flex;justify-content:center;align-items:center}.background{position:absolute;top:0;left:0;right:0;bottom:0;background-size:cover;background-position:center;z-index:0;transform:scale(1.05)}.overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 10% 20%,rgba(255,255,255,.4) 0%,rgba(255,255,255,0) 60%);z-index:1}.content{position:relative;z-index:10;width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:1rem}.card{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);box-shadow:0 10px 40px #0000000d;border-radius:24px;padding:3.5rem 3rem;width:100%;max-width:480px;text-align:center;display:flex;flex-direction:column;align-items:center}.title{font-size:2.5rem;font-weight:200;color:var(--text-dark);letter-spacing:.1em;margin-bottom:.5rem}.title-bold{font-weight:700}.subtitle{font-size:1.1rem;color:var(--text-dim);font-weight:300;letter-spacing:.05em;margin-bottom:2.5rem}.form{width:100%;display:flex;flex-direction:column;gap:1rem}.input{width:100%;padding:1rem 1.5rem;border-radius:9999px;border:1px solid rgba(255,255,255,.6);background:rgba(255,255,255,.8);font-size:1rem;color:var(--text-dark);outline:none;transition:all .2s ease;box-shadow:inset 0 2px 4px #00000005}.input:focus{background:#ffffff;box-shadow:0 0 0 3px #38bdf84d;border-color:var(--primary-color)}.button{width:100%;padding:1rem 1.5rem;border-radius:9999px;border:none;background:var(--primary-color);color:#fff;font-size:1rem;font-weight:600;letter-spacing:.05em;cursor:pointer;box-shadow:0 4px 12px #38bdf84d;transition:background-color .2s}.button:hover{background:var(--primary-hover)}.success-message{color:#059669;font-size:.95rem;font-weight:500}.footer{position:absolute;bottom:1.5rem;font-size:.75rem;color:#1e293b99;font-weight:300}@media (max-width: 600px){.title{font-size:2rem}.card{padding:2rem}}.vertical-text{position:absolute;top:50%;left:2rem;transform:translateY(-50%) rotate(-90deg);font-size:.75rem;letter-spacing:.3em;color:#1e293b;opacity:.5;pointer-events:none;z-index:20;white-space:nowrap}.decorative-line{position:absolute;top:0;bottom:0;right:15%;width:1px;background:rgba(30,41,59,.1);z-index:5}@media (max-width: 900px){.vertical-text,.decorative-line{display:none}}