.auth { max-width: 420px; margin: 0 auto; }
  .auth h1 {
    margin: 0 0 18px;
    font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "メイリオ", "Yu Gothic", "Noto Sans JP", sans-serif;
    font-size: 20px; font-weight: 400; letter-spacing: .08em;
  }
  .auth .field { margin: 0 0 14px; }
  .auth label { display: block; font-size: 12px; color: var(--muted); margin: 0 0 6px; }
  .auth input[type=text],
  .auth input[type=email],
  .auth input[type=password] {
    width: 100%; padding: 10px 12px;
    border: 1px solid #d0d0d0; border-radius: 4px; font: inherit;
  }
  .auth .remember {
    display: flex; align-items: center; gap: 8px;
    margin: 0 0 18px; font-size: 12px;
  }
  .auth .btn-primary {
    width: 100%; min-height: 46px;
    background: var(--accent); color: #fff;
    font-size: 14px; font-weight: 700; border-radius: 4px;
  }
.auth .links {
    margin-top: 16px; display: flex; justify-content: space-between; gap: 12px;
    font-size: 12px; color: var(--accent);
}

.auth .links--start {
  justify-content: flex-start;
  gap: 16px;
}
  .auth .notice { margin: 0 0 16px; padding: 12px 14px; border-radius: 4px; font-size: 12px; }
  .auth .notice-err { background: #fff1f1; color: #9f0404; }
  .auth .notice-ok { background: #f1f7f4; color: var(--accent); }

  .brand {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    line-height: 0;
  }
  .brand img {
    display: block;
    height: 46px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
  }

  .foot__copy img { height: 14px; width: auto; display: inline-block; vertical-align: middle; object-fit: contain; }