:root{
  --bg:#f7f6f3;
  --card:#fff;
  --ink:#1b1b1d;
  --sub:#6c6a66;
  --line:#e2dfd8;
  --accent:#1b1b1d;
  --gold:#c9a227;
  --miss:#c0552f;
  --ease:cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:"Noto Sans JP",-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.8;
  -webkit-font-smoothing:antialiased;
  padding-bottom:96px;
}
a{color:inherit}

.head{
  background:var(--ink);color:#fff;padding:30px 22px 26px;
}
.head-in{max-width:720px;margin:0 auto}
.brand{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.7rem;letter-spacing:.18em;color:rgba(255,255,255,.65);
  margin-bottom:16px;
}
.brand b{color:var(--gold);font-weight:600;letter-spacing:.12em}
#title{font-size:1.42rem;font-weight:700;line-height:1.5;letter-spacing:.01em}
#lead{margin-top:14px;font-size:.88rem;color:rgba(255,255,255,.76)}

.note-privacy{
  max-width:720px;margin:18px auto 0;padding:0 22px;
  font-size:.76rem;color:var(--sub);
}

main{max-width:720px;margin:0 auto;padding:22px}

.grp{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:22px 20px;margin-bottom:16px;
}
.grp-h{
  display:flex;align-items:baseline;gap:12px;
  font-size:1.04rem;font-weight:700;letter-spacing:.02em;
  padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:18px;
}
.grp-n{font-size:.76rem;color:var(--gold);letter-spacing:.1em;font-weight:700;flex:none}
.grp-d{font-size:.82rem;color:var(--sub);margin:-6px 0 18px}

.fld{margin-bottom:20px}
.fld:last-child{margin-bottom:0}
.fld-l{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:.9rem;font-weight:700;margin-bottom:7px;
}
.req{
  font-size:.64rem;font-weight:700;letter-spacing:.06em;
  background:var(--ink);color:#fff;border-radius:3px;padding:2px 6px;line-height:1.5;
}
.fld-note{font-size:.76rem;color:var(--sub);margin:-2px 0 8px}

input[type=text],input[type=tel],input[type=email],textarea{
  width:100%;font:inherit;font-size:.92rem;color:var(--ink);
  background:#fcfbf9;border:1px solid var(--line);border-radius:8px;
  padding:11px 13px;line-height:1.7;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
input:focus,textarea:focus{
  outline:none;border-color:var(--ink);background:#fff;
}
textarea{resize:vertical;min-height:84px}
::placeholder{color:#b4b0a8}

.opts{display:flex;flex-direction:column;gap:2px}
.opt{display:flex;align-items:flex-start;gap:10px;padding:7px 2px}
.opt input{width:19px;height:19px;flex:none;margin-top:4px;accent-color:var(--ink)}
.opt label{font-size:.89rem;cursor:pointer;flex:1}

.fld.miss input[type=text],.fld.miss input[type=tel],
.fld.miss input[type=email],.fld.miss textarea{
  border-color:var(--miss);background:#fdf6f3;
}
.fld.miss .fld-l{color:var(--miss)}

.bar{
  position:fixed;left:0;right:0;bottom:0;z-index:20;
  background:rgba(247,246,243,.94);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding:12px 22px calc(12px + env(safe-area-inset-bottom));
}
.bar-in{
  max-width:720px;margin:0 auto;
  display:flex;align-items:center;gap:12px;
}
.btn{
  font:inherit;font-size:.92rem;font-weight:700;letter-spacing:.02em;
  border:1px solid var(--ink);border-radius:999px;padding:13px 24px;
  background:var(--ink);color:#fff;cursor:pointer;
  transition:opacity .2s var(--ease),background .2s var(--ease);
}
.btn:hover{opacity:.85}
.btn-sub{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-sub:hover{border-color:var(--ink);opacity:1}
#gen{flex:1}

#saved{
  font-size:.72rem;color:var(--sub);opacity:0;transition:opacity .3s var(--ease);
  flex:none;
}
#saved.on{opacity:1}

#outwrap{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:22px 20px;margin-bottom:16px;
}
#outwrap h2{font-size:1.02rem;font-weight:700;margin-bottom:6px}
.out-d{font-size:.82rem;color:var(--sub);margin-bottom:14px}
#out{
  width:100%;min-height:260px;font-size:.84rem;line-height:1.85;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  background:#fcfbf9;border:1px solid var(--line);border-radius:8px;padding:13px;
}
#msg{
  font-size:.82rem;color:var(--miss);background:#fdf6f3;
  border:1px solid #f0d8cd;border-radius:8px;padding:10px 13px;margin-bottom:14px;
}
.out-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
#copy.ok{background:var(--gold);border-color:var(--gold);color:var(--ink)}

.foot{
  max-width:720px;margin:0 auto;padding:10px 22px 30px;
  font-size:.76rem;color:var(--sub);text-align:center;
}
.foot a{color:var(--ink);font-weight:700}

@media (min-width:640px){
  .head{padding:44px 22px 38px}
  #title{font-size:1.72rem}
  main{padding:28px 22px}
  .grp{padding:28px 26px}
}