:root{
  --color-primary:#A6192E;
  --color-primary-dark:#7D0F20;
  --color-primary-light:#F4E3E6;
  --color-ink:#1C1C1E;
  --color-muted:#6B7280;
  --color-border:#E5D9DA;
  --color-surface:#FFFFFF;
  --color-bg:#FBF7F7;
  --color-success:#1B7A43;
  --color-success-bg:#E8F5EC;
  --color-danger:#C0392B;
  --color-danger-bg:#FBEAE8;
  --radius-card:14px;
  --radius-input:8px;
  --shadow-card:0 8px 30px rgba(28,28,30,0.06);
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font-body);background:var(--color-bg);color:var(--color-ink);line-height:1.5}
a{color:var(--color-primary)}

.site-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:16px 6%;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10;flex-wrap:wrap;gap:10px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}
.brand-name{font-weight:800;font-size:18px;color:var(--color-ink)}
.brand-tag{font-size:12px;color:var(--color-muted)}
.header-contact{font-size:13px;color:var(--color-muted);text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.header-contact a{color:var(--color-ink);text-decoration:none;font-weight:600}
.header-contact .admin-login-btn{display:inline-block;padding:6px 14px;border:1px solid var(--color-border);border-radius:999px;font-size:12px;font-weight:700;color:var(--color-muted);text-decoration:none;background:#fff}
.header-contact .admin-login-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}

.hero{background:linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);color:#fff;padding:48px 6% 64px}
.hero h1{margin:0 0 10px;font-size:clamp(26px,4vw,38px)}
.hero p{margin:0;max-width:640px;opacity:.92;font-size:15px}
.hero .required-note{margin-top:18px;font-size:13px;opacity:.85}

.page{max-width:1240px;margin:-36px auto 60px;padding:0 4%}

.section-nav{display:flex;gap:4px;flex-wrap:nowrap;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-input);padding:8px;margin-bottom:24px;box-shadow:var(--shadow-card);position:sticky;top:74px;z-index:5}
.section-nav[hidden]{display:none}
.section-nav a{flex:1 1 0;min-width:0;text-align:center;padding:10px 6px;border-radius:8px;font-size:12px;font-weight:700;color:var(--color-muted);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:background .15s,color .15s}
.section-nav a.active,.section-nav a:hover{background:var(--color-primary-light);color:var(--color-primary-dark)}

.form-section{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:28px;margin-bottom:20px;scroll-margin-top:150px}
.section-heading{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.section-number{width:32px;height:32px;border-radius:50%;background:var(--color-primary-light);color:var(--color-primary-dark);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;flex:0 0 auto}
.section-heading h2{margin:0;font-size:19px}
.section-heading p{margin:2px 0 0;font-size:13px;color:var(--color-muted)}

.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:650}
.field .hint{font-size:12px;color:var(--color-muted)}
.required-mark{color:var(--color-primary)}

input[type=text],input[type=email],input[type=tel],input[type=date],input[type=number],select,textarea{
  width:100%;padding:11px 12px;border:1px solid var(--color-border);border-radius:var(--radius-input);
  font:inherit;background:#fff;color:var(--color-ink)
}
textarea{min-height:90px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--color-primary);outline-offset:1px;border-color:var(--color-primary)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--color-danger)}
.error-text{font-size:12px;color:var(--color-danger);display:none}
.field.has-error .error-text{display:block}

.tag-group{display:flex;flex-wrap:wrap;gap:10px}
.tag-checkbox{position:relative}
.tag-checkbox input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}
.tag-checkbox span{display:inline-block;padding:9px 14px;border:1px solid var(--color-border);border-radius:999px;font-size:13px;color:var(--color-ink);background:#fff}
.tag-checkbox input:checked + span{background:var(--color-primary);border-color:var(--color-primary);color:#fff}
.tag-checkbox input:focus-visible + span{outline:2px solid var(--color-primary-dark);outline-offset:2px}

.upload-box{border:2px dashed var(--color-border);border-radius:var(--radius-input);padding:18px;text-align:center;background:#FCFAFA}
.upload-box label{display:block;font-weight:650;font-size:13px;margin-bottom:8px}
.upload-box input[type=file]{width:100%;font-size:12px}
.upload-box .hint{margin-top:6px}

.declaration-box{background:var(--color-primary-light);border-radius:var(--radius-input);padding:16px;display:flex;gap:12px;align-items:flex-start;border:1px solid transparent}
.declaration-box input{margin-top:3px}
.declaration-box label{font-size:13px;line-height:1.5}
.declaration-box .error-text{display:none}
.declaration-box.has-error{border-color:var(--color-danger)}
.declaration-box.has-error .error-text{display:block;margin-top:6px}

.form-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:8px}
.btn{border:0;border-radius:10px;padding:13px 24px;font-weight:700;font-size:14px;cursor:pointer}
.btn-primary{background:var(--color-primary);color:#fff}
.btn-primary:hover{background:var(--color-primary-dark)}
.btn-primary:disabled{opacity:.6;cursor:not-allowed}

.submit-error-banner{display:none;background:var(--color-danger-bg);color:var(--color-danger);border-radius:var(--radius-input);padding:14px;margin-bottom:20px;font-size:14px}
.submit-error-banner.visible{display:block}

.success-screen{display:none;max-width:640px;margin:60px auto;padding:0 6%;text-align:center}
.success-screen.visible{display:block}
.success-icon{width:64px;height:64px;border-radius:50%;background:var(--color-success-bg);color:var(--color-success);display:flex;align-items:center;justify-content:center;font-size:30px;margin:0 auto 18px}
.success-screen h1{margin:0 0 10px}
.success-ref{display:inline-block;background:var(--color-primary-light);color:var(--color-primary-dark);font-weight:800;padding:8px 16px;border-radius:8px;margin:14px 0}

.site-footer{background:var(--color-ink);color:#fff;padding:32px 6%;font-size:13px;text-align:center}
.site-footer a{color:#fff}
.site-footer .footer-links{margin-top:8px;opacity:.8}

@media(max-width:900px){
  .section-nav{display:grid;grid-template-columns:repeat(4,1fr)}
  .section-nav a{padding:10px 4px}
}
@media(max-width:520px){
  .section-nav{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:760px){
  .field-grid{grid-template-columns:1fr}
  .form-section{padding:20px}
  .page{margin-top:-24px}
  .section-nav{top:0}
}