.sei-input{width:100%;background:var(--tetsukon);color:var(--kinari);border:1px solid rgba(233,228,216,.3);padding:13px;font-family:var(--body);font-size:.9rem;border-radius:0}
.sei-input:focus{outline:2px solid var(--shu);outline-offset:2px}
.sei-page form{margin-top:40px}
.sei-page .sei-field{margin-bottom:20px}
.sei-page h1+form{margin-top:30px}
.sei-404{text-align:center;padding:200px 40px 140px}
.sei-404 h1{font-family:var(--calli);font-weight:400;font-size:clamp(3rem,9vw,7rem);line-height:1;margin-bottom:20px}
.sei-404 p{color:var(--kinari-dim);margin-bottom:34px}