*{box-sizing:border-box}
:root{
  --accent:#d10f1b;
  --blue:#1976d2;
  --text:#2a2a2a;
  --muted:#666;
  --border:#c9c9c9;
  --bg:#f3f3f3;
  --white:#fff;
}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}
.topbar{display:none}
.page{max-width:760px;margin:0 auto;padding:0 28px 28px;position:relative}
.lang-switch{position:absolute;right:28px;top:12px}
.lang-switch a{font-size:13px;color:#555;text-decoration:none;border:1px solid #bbb;border-radius:4px;padding:5px 8px;background:#fff}
h1{font-size:22px;margin:3px 0 18px;font-weight:700}
.intro{font-size:16px;line-height:1.55;max-width:690px;margin:0 0 24px}
label{display:block;margin:0 0 15px}
label>span{display:block;font-size:12px;color:#555;margin:0 0 5px}
input[type=text],input[type=date],textarea{
  width:100%;font:inherit;font-size:14px;border:1px solid var(--border);background:var(--white);
  border-radius:4px;padding:9px 12px;outline:none
}
input[type=text]:focus,input[type=date]:focus,textarea:focus{border-color:#6a9fd2;box-shadow:0 0 0 2px rgba(25,118,210,.08)}
textarea{resize:vertical;min-height:150px}
::placeholder{font-style:italic;color:#666;opacity:1}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;margin-top:3px}
.checkbox-row input{width:15px;height:15px;margin:1px 0 0}
.checkbox-row span{font-size:13px;line-height:1.35;color:#333;margin:0}
button{
  border:0;border-radius:22px;background:var(--accent);color:#fff;font-weight:700;
  padding:9px 18px;cursor:pointer;min-width:72px
}
button:hover{filter:brightness(.95)}
.notice{padding:12px 14px;border-radius:5px;margin:0 0 18px;font-size:14px}
.notice.success{background:#eaf7ed;border:1px solid #a8d7b1}
.notice.error{background:#fff0f0;border:1px solid #e2aaaa}
.notice ul{margin:8px 0 0;padding-left:20px}
dialog{border:0;border-radius:10px;padding:22px;max-width:420px;width:calc(100% - 32px);box-shadow:0 16px 50px rgba(0,0,0,.28)}
dialog::backdrop{background:rgba(0,0,0,.45)}
dialog h2{font-size:19px;margin:0 0 10px}
dialog p{margin:0 0 18px;line-height:1.45}
.dialog-actions{display:flex;justify-content:flex-end;gap:10px}
button.secondary{background:#e8e8e8;color:#222}
@media(max-width:640px){
  .page{padding:0 16px 24px}
  .lang-switch{right:16px;top:10px}
  h1{font-size:20px;padding-right:50px}
  .intro{font-size:15px}
}