.reg { max-width: 720px; margin: 0 auto; }
  .reg h1 {
    margin: 0 0 10px;
    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;
  }
  .reg__lead { margin: 0 0 28px; font-size: 12px; color: var(--muted); }
  .reg-sec {
    margin: 0 0 28px;
    border-top: 1px solid var(--line);
    padding-top: 18px;
  }
  .reg-sec h2 {
    margin: 0 0 16px;
    font-size: 14px; font-weight: 700; letter-spacing: .04em;
  }
  .field {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    margin: 0 0 22px;
  }
  @media (min-width: 640px) {
    .field--row {
      grid-template-columns: 180px minmax(0, 1fr);
      align-items: start;
    }
    .field--row > label { padding-top: 10px; }
  }

  .field--stack {
    grid-template-columns: minmax(0, 1fr);
    max-width: 560px;
  }
  .field--stack > label {
    padding-top: 0;
    margin-bottom: 2px;
  }
  .field > label {
    font-size: 12px; font-weight: 700; color: var(--ink);
  }
  .req {
    display: inline-block; margin-left: 8px;
    padding: 2px 7px; border-radius: 2px;
    background: #9f0404; color: #fff;
    font-size: 11px; font-weight: 700; vertical-align: middle;
    letter-spacing: .04em;
  }
  .field input[type=text],
  .field input[type=email],
  .field input[type=password],
  .field input[type=number],
  .field select {
    width: 100%;
    max-width: 420px;
    padding: 10px 12px;
    border: 1px solid #d0d0d0;
    border-radius: 0;
    font: inherit;
    color: var(--ink);
    background: #fff;
  }
  .field select { max-width: 280px; }
  .name-row, .zip-row, .tel-row, .birth-row {
    display: flex; flex-wrap: nowrap; gap: 10px; align-items: center;
  }
  .name-row {
    width: 100%;
    max-width: 560px;
  }
  .name-row input {
    flex: 1 1 0;
    min-width: 0;
    max-width: none;
    width: auto;
  }
  .zip-row {
    flex-wrap: nowrap;
    gap: 8px;
    align-items: center;
  }
  .zip-row .zip-mark {
    flex: 0 0 auto;
    font-size: 14px;
    line-height: 1;
    color: var(--ink);
  }
  .field .zip-row input[type=text] {
    flex: 0 0 auto;
    width: 76px;
    max-width: none;
    padding: 10px 8px;
    text-align: center;
  }
  .field .zip-row input#zip2,
  .field .zip-row input[name="zip2"] {
    width: 92px;
  }
  .tel-row {
    flex-wrap: wrap;
    gap: 8px 10px;
  }
  .field .tel-row input[type=text] {
    flex: 0 0 auto;
    width: 96px;
    max-width: none;
  }
  .field .tel-row input#tel1,
  .field .tel-row input[name="tel1"] {
    width: 80px;
  }
  .field .tel-row input#tel2,
  .field .tel-row input[name="tel2"],
  .field .tel-row input#tel3,
  .field .tel-row input[name="tel3"] {
    width: 108px;
  }
  .field .name-row input[type=text] {
    flex: 1 1 0;
    min-width: 0;
    max-width: none;
    width: auto;
  }
  .birth-row select { max-width: 96px; }
  .sep { color: var(--ink); }
  .hint { margin: 8px 0 0; font-size: 12px; color: var(--muted); line-height: 1.4; }
  .radios { display: flex; flex-wrap: wrap; gap: 14px 20px; padding-top: 8px; }
  .radios label { font-weight: 400; display: inline-flex; align-items: center; gap: 6px; }
  .agree {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 14px 0 0; font-size: 12px;
  }
  .agree input { margin-top: 3px; }
  .reg-policy a { color: var(--link); text-decoration: underline; }
.reg-actions {
    display: flex; flex-wrap: wrap; gap: 12px;
    margin-top: 28px; padding-top: 8px;
}

.reg-actions .btn-primary,
.reg-actions .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.reg-policy {
  margin: 0 0 10px;
}
  .btn-primary {
    min-height: 46px; padding: 0 28px;
    background: var(--accent); color: #fff;
    font-size: 14px; font-weight: 700; border-radius: 4px;
  }
  .btn-primary:hover { filter: brightness(1.06); }
  .btn-ghost {
    min-height: 46px; padding: 0 22px;
    border: 1px solid #d0d0d0; border-radius: 4px;
    font-size: 14px;
  }
  .btn-ghost:hover { background: #f7f7f7; }
  .notice {
    margin: 0 0 18px; padding: 12px 14px;
    border-radius: 4px; font-size: 12px;
  }
  .notice-err { background: #fff1f1; color: #9f0404; }
  .notice-ok { background: #f1f7f4; color: var(--accent); }
  .confirm-box {
    border: 1px solid var(--line);
    padding: 18px 16px;
    margin-bottom: 20px;
  }
  .confirm-box dl {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 10px 16px;
    margin: 0;
    font-size: 12px;
  }
  .confirm-box dt { color: var(--muted); }
  .confirm-box dd { margin: 0; overflow-wrap: anywhere; min-width: 0; }
  .is-hidden { display: none !important; }

  .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; }