:root {
      --fic-bg: #f4f7fb;
      --fic-panel: #ffffff;
      --fic-text: #172033;
      --fic-muted: #5f6b7a;
      --fic-border: #d9e1ec;
      --fic-primary: #1459c8;
      --fic-primary-dark: #0f4499;
      --fic-danger: #a52828;
      --fic-warning-bg: #fff6d8;
      --fic-warning-border: #e4bd43;
      --fic-success-bg: #edf8f0;
      --fic-radius: 18px;
      --fic-shadow: 0 18px 45px rgba(23, 32, 51, .10);
      --fic-focus: 0 0 0 4px rgba(20, 89, 200, .18);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
      color: var(--fic-text);
      background:
        radial-gradient(circle at top left, rgba(20,89,200,.14), transparent 32rem),
        linear-gradient(180deg, #ffffff 0%, var(--fic-bg) 36%, var(--fic-bg) 100%);
      line-height: 1.5;
    }

    a { color: var(--fic-primary); text-decoration-thickness: .09em; text-underline-offset: .18em; }
    a:hover { color: var(--fic-primary-dark); }
    img { max-width: 100%; height: auto; }

    .skip-link {
      position: absolute; left: -999px; top: 1rem;
      background: #fff; color: #000; padding: .7rem 1rem; border-radius: .5rem;
      z-index: 10;
    }
    .skip-link:focus { left: 1rem; box-shadow: var(--fic-focus); }

    .site-header {
      border-bottom: 1px solid rgba(217,225,236,.75);
      background: rgba(255,255,255,.82);
      backdrop-filter: blur(10px);
    }
    .header-inner, .page-shell { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
    .header-inner {
      display: flex; align-items: center; justify-content: space-between; gap: 1rem;
      padding: 1rem 0;
    }
    .brand { display: flex; align-items: center; gap: .75rem; color: var(--fic-text); text-decoration: none; }
    .brand-mark {
      width: 46px; height: 46px; border-radius: 12px;
      display: grid; place-items: center;
      background: var(--fic-primary); color: white; font-weight: 800; letter-spacing: -.04em;
      box-shadow: 0 10px 22px rgba(20,89,200,.25);
    }
    .brand-title { display: block; font-size: 1.12rem; font-weight: 800; line-height: 1.1; }
    .brand-tagline { display: block; color: var(--fic-muted); font-size: .87rem; margin-top: .1rem; }
    .top-nav { display: flex; align-items: center; gap: .35rem; flex-wrap: wrap; justify-content: flex-end; }
    .top-nav a {
      color: var(--fic-text); text-decoration: none; padding: .55rem .75rem; border-radius: 999px;
      font-weight: 700; font-size: .94rem; background: #d8dad5; 
    }
    .top-nav a:hover, .top-nav a[aria-current="page"] { background: #eef4ff; color: var(--fic-primary-dark); }

    .page-shell { padding: 2rem 0 3rem; }
    .hero {
      grid-template-columns: minmax(0, 1.04fr) minmax(200%, .96fr); gap: 1.5rem;
      align-items: stretch; margin-bottom: 1.5rem;
    }
    .hero-card, .register-card, .trust-card {
      background: rgba(255,255,255,.94); border: 1px solid var(--fic-border); border-radius: var(--fic-radius);
      box-shadow: var(--fic-shadow);
    }
    .hero-card { padding: clamp(1.25rem, 3vw, 2.2rem); }
    .eyebrow { color: var(--fic-primary-dark); font-weight: 800; text-transform: uppercase; font-size: .78rem; letter-spacing: .08em; }
    h1 { margin: .35rem 0 .65rem; font-size: clamp(2rem, 4.5vw, 3.35rem); line-height: 1.02; letter-spacing: -.045em; }
    .lead { margin: 0; color: var(--fic-muted); font-size: clamp(1rem, 1.6vw, 1.15rem); max-width: 62ch; }
    .hero-points { display: grid; gap: .8rem; margin-top: 1.4rem; padding: 0; list-style: none; }
    .hero-points li { display: flex; gap: .65rem; align-items: flex-start; }
    .check { flex: 0 0 1.35rem; width: 1.35rem; height: 1.35rem; border-radius: 999px; background: var(--fic-success-bg); color: #17612b; display: grid; place-items: center; font-weight: 900; }

    .trust-card { padding: 1.1rem; display: grid; gap: .9rem; }
    .notice {
      border: 1px solid var(--fic-warning-border); background: var(--fic-warning-bg); border-radius: 14px;
      padding: 1rem;
    }
    .notice strong { display: block; margin-bottom: .25rem; color: #5d4600; }
    .mini-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .75rem; }
    .mini-stat { border: 1px solid var(--fic-border); border-radius: 14px; padding: .85rem; background: #fff; }
    .mini-stat b { display: block; font-size: 1.15rem; }
    .mini-stat span { color: var(--fic-muted); font-size: .87rem; }

    .register-card { padding: clamp(1rem, 3vw, 1.6rem); }
    .section-title { margin: 0 0 .25rem; font-size: 1.45rem; letter-spacing: -.02em; }
    .section-note { margin: 0 0 1.15rem; color: var(--fic-muted); }
    .form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
    .field { display: grid; gap: .38rem; }
    .field-full { grid-column: 1 / -1; }
    label { font-weight: 800; font-size: .95rem; }
    .hint { color: var(--fic-muted); font-size: .86rem; }
    input, select {
      width: 100%; border: 1px solid var(--fic-border); border-radius: 12px; background: #fff;
      color: var(--fic-text); font: inherit; padding: .82rem .9rem;
    }
    input:focus, select:focus, button:focus, a:focus { outline: none; box-shadow: var(--fic-focus); border-color: var(--fic-primary); }
    .password-wrap { position: relative; }
    .password-wrap input { padding-right: 5.25rem; }
    .password-toggle {
      position: absolute; right: .35rem; top: 50%; transform: translateY(-50%);
      border: 0; border-radius: 10px; background: #eef4ff; color: var(--fic-primary-dark);
      padding: .45rem .65rem; font-weight: 800; cursor: pointer;
    }
    .terms-box {
      border: 1px solid var(--fic-border); background: #fbfdff; border-radius: 14px; padding: 1rem;
      display: grid; gap: .75rem; margin-top: 1rem;
    }
    .check-row { display: flex; align-items: flex-start; gap: .6rem; }
    .check-row input { width: 1.15rem; height: 1.15rem; margin-top: .2rem; flex: 0 0 auto; }
    .form-actions { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 1.1rem; }
    .btn-primary {
      border: 0; border-radius: 999px; background: var(--fic-primary); color: #fff;
      padding: .9rem 1.25rem; font-weight: 900; cursor: pointer; min-height: 48px;
      box-shadow: 0 12px 25px rgba(20,89,200,.22);
    }
    .btn-primary:hover { background: var(--fic-primary-dark); }
    .login-link { font-weight: 700; }
    .error-summary {
      display: none; border: 1px solid #efb4b4; background: #fff3f3; color: var(--fic-danger);
      padding: .9rem 1rem; border-radius: 14px; margin-bottom: 1rem;
    }
    .error-summary[aria-hidden="false"] { display: block; }
    .is-invalid { border-color: var(--fic-danger); }

    footer { color: var(--fic-muted); text-align: center; font-size: .9rem; padding: 0 0 2rem; }

    @media (max-width: 800px) {
      .header-inner, .hero, .form-grid { grid-template-columns: 1fr; }
      .header-inner { align-items: flex-start; flex-direction: column; }
      .top-nav { justify-content: flex-start; }
      .mini-grid { grid-template-columns: 1fr; }
    }