:root{--min:"Zen Old Mincho",serif;--go:"Zen Kaku Gothic New",sans-serif;--n:#0F2350;--b:#003B83;--o:#FF7800;--t:#2b2f36;--s:#646b76}
*{box-sizing:border-box;margin:0}
html,body{height:100%}
body{font-family:var(--go);font-weight:500;background:#0a1426;color:var(--t);-webkit-text-size-adjust:100%}
.gate{position:relative;min-height:100svh;color:#fff;overflow:hidden;background:#0a1426;padding:clamp(28px,6vh,72px) clamp(16px,5vw,80px) 20px;display:flex;flex-direction:column}
.g-bg{position:absolute;inset:0}
.g-bg img{width:100%;height:100%;object-fit:cover;transform:scale(1.1);animation:g-zoom 22s cubic-bezier(.2,.6,.3,1) forwards}
.g-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,12,28,.62) 0%,rgba(5,12,28,.18) 34%,rgba(5,12,28,.30) 52%,rgba(5,12,28,.92) 100%),linear-gradient(90deg,rgba(5,12,28,.55) 0%,rgba(5,12,28,0) 55%)}
@keyframes g-zoom{to{transform:scale(1)}}
.wrap{position:relative;flex:1;display:grid;grid-template-columns:minmax(0,1fr) 440px;gap:clamp(24px,4vw,64px);align-items:center;width:100%;max-width:1400px;margin:0 auto}
.g-kick{font-size:12px;letter-spacing:.42em;color:rgba(255,255,255,.78)}
h1{font-family:var(--min);font-weight:700;font-size:clamp(30px,3.9vw,64px);line-height:1.35;letter-spacing:.04em;margin-top:18px;text-shadow:0 2px 30px rgba(0,0,0,.35)}
h1 em{font-style:normal;background:linear-gradient(transparent 78%,rgba(242,85,0,.75) 78%,rgba(242,85,0,.75) 86%,transparent 86%)}
.g-sub{font-size:clamp(15px,1.25vw,19px);line-height:1.9;margin-top:16px;color:rgba(255,255,255,.92)}
.card{background:#fff;color:var(--t);border-radius:16px;padding:32px 30px;box-shadow:0 18px 50px rgba(0,0,0,.35)}
h2{font-size:22px;color:var(--n);font-weight:700;margin-bottom:18px}
label{display:block;font-size:15px;font-weight:700;color:var(--n);margin-bottom:14px}
input{display:block;width:100%;margin-top:6px;padding:13px 14px;font:500 16px var(--go);color:var(--t);border:1px solid #c9d2de;border-radius:10px;background:#F5F8FB}
input:focus{outline:2px solid var(--b);outline-offset:0;background:#fff}
.trap{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
button{display:block;width:100%;margin-top:6px;padding:16px;border:0;border-radius:999px;background:linear-gradient(90deg,#FF7800,#FFA600);color:#fff;font:700 18px var(--go);cursor:pointer}
button:disabled{opacity:.6;cursor:default}
.note{font-size:12.5px;line-height:1.7;color:var(--s);margin-top:12px}
.err{font-size:14px;line-height:1.7;color:#c0341d;font-weight:700;margin-bottom:10px}
.done p{font-size:16px;line-height:1.9}
.foot{position:relative;text-align:center;font-size:12px;color:rgba(255,255,255,.7);margin-top:18px}
[hidden]{display:none!important}
@media (max-width:1100px){
  h1{font-size:clamp(24px,7.4vw,56px)}
  .wrap{grid-template-columns:minmax(0,1fr);align-items:start;gap:22px}
  .card{padding:24px 20px}
}
@media (prefers-reduced-motion:reduce){.g-bg img{animation:none;transform:none}}