/* ============================================
   再利用可能なコンポーネント
   We use "Material Icons" by Google, licensed under Apache License 2.0
   ============================================ */

/* ============================================
   フッターコンポーネント
   ============================================ */
   .footer {
    display: flex;
    flex-direction: column;
    gap: var(--space-200);
    align-items: center;
    padding: var(--space-300) var(--space-400);
    width: 100%;
    flex-shrink: 0;
  }
  
  .footer--half {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2;
  }
  
  .auth-branding .footer--half {
    position: relative;
    bottom: auto;
    left: auto;
    right: auto;
    margin-top: auto;
  }
  
  @media (max-width: 768px) {
    .footer--half {
      position: relative;
      margin-top: auto;
      background-color: var(--color-neutral-gray-100);
    }
  }
  
  .footer--half .footer-menu__item {
    border-color: var(--color-brand-orange-1000);
  }
  
  .footer--half .footer-menu__link {
    color: var(--color-brand-orange-1000);
  }
  
  .footer--half .footer__copyright {
    color: var(--color-neutral-gray-300);
  }
  
  .footer--default .footer-menu__item {
    border-color: var(--color-neutral-white);
  }
  
  .footer--default .footer-menu__link {
    color: var(--color-neutral-white);
  }
  
  .footer--default {
    background-color: var(--color-brand-orange-1000);
  }
  
  .footer--default .footer__copyright {
    color: var(--color-neutral-gray-100);
  }
  
  .footer-menu {
    display: flex;
    align-items: flex-start;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .footer-menu__item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--space-400);
    border-right: 1px solid;
  }
  
  .footer-menu__item:last-child {
    border-right: none;
  }
  
  .footer-menu__link {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    text-decoration: none;
    white-space: nowrap;
  }
  
  .footer-menu__link:hover {
    opacity: 0.8;
    text-decoration: underline;
  }
  
  .footer-menu__link:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
    border-radius: var(--radius-100);
    text-decoration: underline;
  }
  
  .footer__copyright {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    opacity: 0.8;
    text-align: center;
  }
  
  .footer__copyright-link {
    color: var(--color-neutral-white);
    text-decoration: none;
  }
  
  .footer--half .footer__copyright-link {
    color: var(--color-neutral-gray-400);
  }
  
  .footer__copyright-link:hover {
    text-decoration: underline;
    opacity: 0.8;
  }
  
  .footer__company-logo {
    width: 232px;
    height: 26px;
    margin-bottom: var(--space-100);
  }
  
  /* ============================================
     フォーム入力コンポーネント
     ============================================ */
  .form-group {
    display: flex;
    flex-direction: column;
    width: 100%;
  }
  
  .form-group__label {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
    display: flex;
    align-items: center;
    gap: var(--space-200);
    margin-bottom: var(--space-200);
  }
  
  .form-input {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-50);
    width: 100%;
  }
  
  .form-input__field {
    width: 100%;
    height: 56px;
    padding: 14px var(--space-400);
    background-color: var(--color-neutral-white);
    border: 1px solid var(--color-neutral-gray-400);
    border-radius: var(--radius-100);
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
  }
  
  .form-input__field:focus-visible {
    border: 2px solid var(--color-neutral-gray-600);
  }
  
  .form-input__field::placeholder {
    color: var(--color-neutral-gray-400);
  }
  
  .form-input__field[aria-invalid="true"] {
    border-color: var(--color-brand-red-700);
  }
  
  .form-input__field[type="password"] {
    padding: 14px 40px 14px var(--space-400);
  }
  
  [role="alert"] {
    color: var(--color-brand-red-700);
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
  }
  
  .form-input__field-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
  }
  
  .form-input__toggle {
    position: absolute;
    right: var(--space-400);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-neutral-gray-400);
  }
  
  .form-input__toggle:focus-visible {
    color: var(--color-neutral-gray-600);
    outline: 2px solid currentColor;
    outline-offset: 2px;
    border-radius: var(--radius-100);
  }
  
  .form-input__toggle-icon {
    width: 24px;
    height: 24px;
    display: block;
  }
  
  /* ============================================
     ボタンコンポーネント
     ============================================ */
  .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-100);
    min-width: 120px;
    height: 56px;
    padding: var(--space-300) var(--space-800);
    border: none;
    border-radius: var(--radius-button);
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.1s;
  }
  
  .btn:hover:not(:disabled) {
    opacity: 0.8;
  }
  
  .btn:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
  }
  
  .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
  }
  
  .btn--primary {
    background-color: var(--color-brand-orange-550);
    color: var(--color-neutral-white);
  }
  
  .btn--secondary {
    background-color: var(--color-neutral-white);
    border: 1px solid var(--color-brand-orange-550);
    color: var(--color-brand-orange-550);
  }
  
  .btn--secondary:hover:not(:disabled) {
    background-color: var(--color-brand-orange-100);
  }
  
  .btn--mono {
    background-color: var(--color-neutral-white);
    border: 1px solid var(--color-neutral-gray-400);
    color: var(--color-neutral-gray-600);
  }
  
  .btn--mono:hover:not(:disabled) {
    background-color: var(--color-neutral-gray-100);
  }
  
  .btn-xs {
    height: 32px;
    padding: var(--space-150) var(--space-400);
    font-size: var(--typography-body-size-small);
  }
  
  .btn-s {
    height: 36px;
    padding: var(--space-150) var(--space-400);
    font-size: var(--typography-body-size-small);
  }
  
  .btn-m {
    height: 48px;
    padding: var(--space-200) var(--space-400);
  }
  
  /* ============================================
     リンクコンポーネント
     ============================================ */
  .link {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    color: var(--color-brand-orange-550);
    text-decoration: underline;
    width: fit-content;
  }
  
  .link:hover {
    color: var(--color-brand-orange-700);
  }
  .link:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
    border-radius: var(--radius-100);
  }
  
  /* ============================================
     ヘッダーコンポーネント
     ============================================ */
  .header {
    background-color: var(--color-neutral-white);
    border-bottom: 1px solid var(--color-neutral-gray-200);
    box-shadow: 0 1px 16px rgba(28, 26, 24, 0.08);
    height: 48px;
    position: sticky;
    top: 0;
    z-index: 100;
  }
  
  body.mobile-menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
  }
  
  body.mobile-menu-open .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
  }
  
  .header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-400);
    padding: 0 var(--space-800);
    height: 100%;
    margin: 0 auto;
  }
  
  .header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-600);
    height: 100%;
    padding-left: var(--space-400);
  }
  
  .header__logo {
    padding-right: var(--space-600);
  }
  
  .header__logo-image {
    height: 23.4px;
    width: auto;
    display: block;
  }
  
  .header__menu-list {
    display: flex;
    align-items: center;
    gap: var(--space-600);
    list-style: none;
    margin: 0;
    padding: 0;
    height: 100%;
  }
  
  .header__menu-item {
    display: flex;
    align-items: center;
    height: 100%;
  }
  
  .header__menu-item--buttons {
    display: flex;
    align-items: center;
    gap: var(--space-400);
  }
  
  .header__menu-link {
    display: flex;
    align-items: center;
    height: 100%;
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    color: var(--color-neutral-gray-600);
    text-decoration: none;
    white-space: nowrap;
  }
  
  .header__menu-link:hover {
    color: var(--color-brand-orange-550);
  }
  
  .header__menu-link:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    border-radius: var(--radius-100);
  }
  
  .header__menu-link--active {
    color: var(--color-neutral-gray-600);
  }
  
  .header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-200);
    position: relative;
    padding-right: var(--space-200);
    width: 100%;
    justify-content: flex-end;
  }
  
  .header__actions__mobile {
    display: none;
  }
  
  .header__account-wrapper {
    position: relative;
  }
  
  .header__search {
    display: flex;
    align-items: center;
    margin-right: var(--space-400);
    justify-content: flex-end;
    width: 100%;
    max-width: 400px;
  }
  
  .header__search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-150);
    background-color: var(--color-neutral-gray-100);
    border: 1px solid transparent;
    border-radius: var(--radius-button);
    padding: 0 var(--space-300);
    height: 32px;
    width: 100%;
  }
  
  .header__search-wrapper:focus-within {
    border: 2px solid var(--color-neutral-gray-600);
  }
  
  .header__search-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    cursor: pointer;
  }
  
  .header__search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    color: var(--color-neutral-gray-600);
    outline: none;
    width: 100%;
    padding-right: var(--space-400);
  }
  
  .header__search-input::placeholder {
    color: var(--color-neutral-gray-400);
  }
  
  /* ブラウザのデフォルトクリアボタンを非表示 */
  .header__search-input::-webkit-search-cancel-button {
    -webkit-appearance: none;
    appearance: none;
  }
  
  .header__search-input::-ms-clear {
    display: none;
  }
  
  /* カスタムクリアボタン */
  .header__search-clear {
    position: absolute;
    right: var(--space-300);
    width: 18px;
    height: 18px;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    opacity: 0.6;
    transition: opacity 0.1s;
  }
  
  .header__search-clear:hover {
    opacity: 1;
  }
  
  .header__search-clear:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
    border-radius: var(--radius-100);
    opacity: 1;
  }
  
  .header__search-clear-icon {
    position: relative;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .header__search-clear-icon__line {
    position: absolute;
    width: 14px;
    height: 2px;
    background-color: var(--color-neutral-gray-600);
    border-radius: 1px;
    transition: background-color 0.2s;
  }
  
  .header__search-clear-icon__line:nth-child(1) {
    transform: rotate(45deg);
  }
  
  .header__search-clear-icon__line:nth-child(2) {
    transform: rotate(-45deg);
  }
  
  .header__icon-button {
    height: 48px;
    width: 48px;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: var(--space-200);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.1s;
    text-decoration: none;
    color: inherit;
  }
  
  .header__icon-button:hover img {
    filter: brightness(0) saturate(100%) invert(45%) sepia(93%) saturate(1352%) hue-rotate(1deg) brightness(95%) contrast(90%);
  }
  
  .header__icon-button[aria-expanded="true"] img {
    filter: brightness(0) saturate(100%) invert(45%) sepia(93%) saturate(1352%) hue-rotate(1deg) brightness(95%) contrast(90%);
  }
  
  .header__icon-button[aria-expanded="true"]:hover img {
    filter: brightness(0) saturate(100%) invert(45%) sepia(93%) saturate(1352%) hue-rotate(1deg) brightness(95%) contrast(90%);
  }
  
  .header__icon-button:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    border-radius: var(--radius-100);
  }
  
  .header__icon-button img {
    width: var(--icon-size-medium);
    height: 100%;
    display: block;
    transition: filter 0.1s;
  }
  
  /* 未読バッジ（開始） */
  .header__icon-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 10px;
    height: 10px;
    background-color: var(--color-brand-red-base);
    border-radius: 50%;
    border: .5px solid var(--color-neutral-white);
  }
  
  /* ハンバーガーメニュー内のバッジ位置調整 */
  .mobile-hamburger-menu__link .header__icon-badge {
    position: relative;
    top: auto;
    right: auto;
    margin-left: var(--space-150);
    vertical-align: middle;
  }
  /* 未読バッジ（終了） */
  
  .header__menu-icon {
    position: relative;
    width: 24px;
    height: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
  }
  
  .header__menu-icon__line {
    width: 24px;
    height: 2px;
    background-color: var(--color-neutral-gray-600);
    transition: all 0.2s ease;
    transform-origin: center;
  }
  
  /* ハンバーガーアイコン（閉じた状態） */
  #menu-button:not([aria-expanded="true"]) .header__menu-icon__line {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
  }
  
  /* ×マーク（開いた状態）へのアニメーション */
  #menu-button[aria-expanded="true"] .header__menu-icon__line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  #menu-button[aria-expanded="true"] .header__menu-icon__line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }
  
  #menu-button[aria-expanded="true"] .header__menu-icon__line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  
  /* ホバー時の色変更 */
  .header__icon-button:hover .header__menu-icon__line {
    background-color: var(--color-brand-orange-600);
  }
  
  #menu-button[aria-expanded="true"] .header__menu-icon__line {
    background-color: var(--color-brand-orange-600);
  }
  
  @media screen and (max-width: 960px) {
    .header__container {
      padding: 0;
    }
  
    .header__menu-list, .header__actions {
      display: none;
    }
  
    .header__actions__mobile {
      display: block;
      padding-right: var(--space-200);
    }
  
    .header__search {
      max-width: 100%;
    }
  }
  
  /* ============================================
     ハンバーガーメニューコンポーネント
     ============================================ */
  .hamburger-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: -1px;
    padding: 0 var(--space-400);
    width: 200px;
    background-color: var(--color-neutral-white);
    border: 1px solid var(--color-neutral-gray-200);
    box-shadow: 0 1px 8px rgba(28, 26, 24, 0.04);
    z-index: 200;
    display: none;
    flex-direction: column;
  }
  
  .hamburger-menu--open {
    display: flex;
  }
  
  .hamburger-menu__user {
    display: flex;
    align-items: center;
    gap: var(--space-150);
    height: 48px;
    border-bottom: 1px solid var(--color-neutral-gray-200);
  }
  
  .hamburger-menu__user-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
  }
  
  .hamburger-menu__user-name {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    color: var(--color-neutral-gray-600);
    margin: 0;
  }
  
  .hamburger-menu__item {
    display: flex;
    align-items: center;
    height: 48px;
    border-bottom: 1px solid var(--color-neutral-gray-200);
    text-decoration: none;
    transition: background-color 0.1s;
  }
  
  .hamburger-menu__item:last-child {
    border-bottom: none;
  }
  
  .hamburger-menu__item:hover .hamburger-menu__item-text {
    color: var(--color-brand-orange-550);
  }
  
  .hamburger-menu__item:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: -2px;
    border-radius: var(--radius-100);
  }
  
  .hamburger-menu__item-text {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    color: var(--color-neutral-gray-600);
    margin: 0;
    transition: color 0.1s;
  }
  
  /* ============================================
     モバイル用ハンバーガーメニューコンポーネント
     ============================================ */
  .mobile-hamburger-menu {
    position: fixed;
    top: 48px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-neutral-white);
    z-index: 1000;
    display: none;
    flex-direction: column;
    overflow-y: auto;
  }
  
  .mobile-hamburger-menu[aria-hidden="false"] {
    display: flex;
  }
  
  .mobile-hamburger-menu__content {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 0 var(--space-400);
  }
  
  .mobile-hamburger-menu__search {
    padding: var(--space-400) 0;
    flex-shrink: 0;
  }
  
  .mobile-hamburger-menu__search .header__search-wrapper {
    background-color: var(--color-neutral-gray-100);
    border-radius: 100px;
    padding: 0 var(--space-300);
    height: 32px;
  }
  
  .mobile-hamburger-menu__nav {
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
  }
  
  .mobile-hamburger-menu__link {
    display: flex;
    align-items: center;
    height: 48px;
    padding: 0;
    padding-bottom: var(--space-50);
    padding-top: 0;
    border-bottom: 1px solid var(--color-neutral-gray-200);
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    color: var(--color-neutral-gray-600);
    text-decoration: none;
    transition: background-color 0.1s;
  }
  
  .mobile-hamburger-menu__link:hover {
    color: var(--color-brand-orange-550);
  }
  
  .mobile-hamburger-menu__link:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: -2px;
    border-radius: var(--radius-100);
  }
  
  .mobile-hamburger-menu__user-section {
    display: flex;
    flex-direction: column;
    padding-top: var(--space-1200);
    flex-shrink: 0;
  }
  
  .mobile-hamburger-menu__user {
    display: flex;
    align-items: center;
    gap: var(--space-150);
    height: 48px;
    padding-bottom: var(--space-50);
    border-bottom: 1px solid var(--color-neutral-gray-200);
  }
  
  .mobile-hamburger-menu__user-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
  }
  
  .mobile-hamburger-menu__user-name {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    color: var(--color-neutral-gray-600);
    margin: 0;
  }
  
  .mobile-hamburger-menu__user-section .mobile-hamburger-menu__link {
    border-top: none;
  }
  
  .mobile-hamburger-menu__user-section .mobile-hamburger-menu__link:last-child {
    border-bottom: none;
  }
  
  .mobile-hamburger-menu__buttons {
    display: flex;
    flex-direction: column;
    padding-top: var(--space-1200);
    flex-shrink: 0;
    gap: var(--space-600);
  }
  
  /* ============================================
     カテゴリメニューコンポーネント
     ============================================ */
  .category-menu {
    background-color: var(--color-neutral-white);
    border-right: 1px solid var(--color-neutral-gray-200);
    width: 309px;
    flex-shrink: 0;
    overflow-y: auto;
    position: sticky;
    top: 48px;
    align-self: flex-start;
    height: calc(100vh - 48px);
  }
  .mobile-category-menu {
    display: none;
    width: 100%;
    height: 40px;
    padding: 0 var(--space-400);
    background: var(--color-neutral-white);
    border: none;
    cursor: pointer;
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
    align-items: center;
    justify-content: space-between;
  }
  
  .mobile-category-menu:hover {
    color: var(--color-brand-orange-550);
  }
  
  .mobile-category-menu:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: -2px;
    border-radius: var(--radius-100);
  }
  
  .mobile-category-menu__icon {
    width: 24px;
    height: 24px;
    transition: transform 0.1s;
  }
  
  .mobile-category-menu[aria-expanded="true"] .mobile-category-menu__icon {
    transform: scaleY(-1);
  }
  
  .category-menu__nav {
    padding: var(--space-400);
    display: block;
  }
  
  .category-menu__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  
  .category-menu__item {
    display: flex;
    flex-direction: column;
  }
  
  .category-menu__link {
    display: flex;
    align-items: center;
    padding: 0;
    min-height: 40px;
    height: 40px;
    padding-left: var(--space-200);
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    line-height: 1;
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
    text-decoration: none;
    box-sizing: border-box;
    position: relative;
    z-index: 1;
    min-width: 0;
  }
  
  .category-menu__link span {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  .category-menu__link:hover {
    background-color: var(--color-neutral-gray-100);
  }
  
  .category-menu__link--active {
    background-color: var(--color-neutral-gray-100);
    font-weight: var(--font-weight-bold);
  }
  
  .category-menu__icon {
    width: 32px;
    height: 100%;
    padding-right: var(--space-200);
    flex-shrink: 0;
  }
  
  .category-menu__expand-icon {
    width: 40px;
    height: 100%;
    flex-shrink: 0;
    margin-left: auto;
    padding: 0 var(--space-200);
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.1s;
    position: relative;
    z-index: 2;
  }
  
  .category-menu__expand-icon img {
    width: 100%;
    height: 100%;
    display: block;
  }
  
  .category-menu__expand-icon:hover {
    background-color: var(--color-neutral-gray-200);
  }
  
  .category-menu__expand-icon:hover img {
    filter: brightness(0) saturate(100%) invert(38%) sepia(95%) saturate(1800%) hue-rotate(5deg) brightness(0.65) contrast(0.9);
  }
  
  .category-menu__expand-icon:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
    border-radius: var(--radius-100);
  }
  
  .category-menu__item--expanded .category-menu__expand-icon {
    transform: scaleY(-1);
  }
  
  .category-menu__sub-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: none;
  }
  
  .category-menu__item--expanded .category-menu__sub-list {
    display: block;
  }
  
  .category-menu__sub-item {
    display: flex;
  }
  
  .category-menu__sub-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0;
    height: 32px;
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    color: var(--color-neutral-gray-600);
    text-decoration: none;
    padding-left: 40px;
    flex: 1;
  }
  
  .category-menu__sub-link:hover {
    background-color: var(--color-neutral-gray-100);
  }
  
  .category-menu__sub-link:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
    border-radius: var(--radius-100);
  }
  .category-menu__sub-link--active {
    background-color: var(--color-neutral-gray-100);
    font-weight: var(--font-weight-bold);
  }
  
  @media screen and (max-width: 960px) {
    .category-menu {
      width: 100%;
      position: relative;
      top: 0;
      height: auto;
      border-right: none;
    }
    
    .mobile-category-menu {
      display: flex;
    }
  
    .category-menu__nav[aria-hidden="true"] {
      display: none;
    }
  
    .category-menu__nav {
      max-height: 472px;
      overflow-y: auto;
    }
  
    .category-menu__nav[aria-hidden="false"] {
      display: block;
    }
  }
  
  /* ============================================
     カードコンポーネント
     ============================================ */
  .card {
    background-color: var(--color-neutral-white);
    border: 1px solid var(--color-neutral-gray-200);
    border-radius: var(--radius-400);
    box-shadow: 0 1px 8px rgba(28, 26, 24, 0.04);
    position: relative;
    overflow: hidden;
    width: 333px;
    height: auto;
    min-height: 154px;
    transition: all 0.1s;
  }
  
  .card:hover {
    opacity: 0.8;
    transform: translateY(-2px);
  }
  
  .card__link {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: inherit;
  }
  
  .card:has(.card__link:focus-visible) {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
  }
  
  .card__content {
    display: flex;
    flex-direction: column;
    padding: var(--space-400);
    position: relative;
    z-index: 1;
  }
  
  .card__bottom-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  
  .card__icon {
    width: calc(var(--icon-size-medium) + 16px);
    height: calc(var(--icon-size-medium) + 16px);
    flex-shrink: 0;
    padding: var(--space-200);
  }
  
  .card__favorite {
    width: calc(var(--icon-size-small) + 16px);
    height: calc(var(--icon-size-small) + 16px);
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .card__favorite:hover img {
    filter: brightness(0) saturate(100%) invert(30%) sepia(95%) saturate(5000%) hue-rotate(320deg) brightness(0.95) contrast(0.9);
  }
  
  .card__favorite:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
    border-radius: var(--radius-100);
  }
  
  .card__favorite img {
    width: 100%;
    height: 100%;
    padding: var(--space-200);
    display: block;
  }
  
  .card__title {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-large);
    font-weight: var(--font-weight-bold);
    line-height: 1.6;
    letter-spacing: 0.252px;
    color: var(--color-neutral-gray-600);
    margin: 0;
    padding: var(--space-200);
    word-wrap: break-word;
    overflow-wrap: break-word;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  @media (max-width:375px) {
    .card {
      width: 100%;
    }
  }
  
  /* カテゴリカラー別の装飾 */
  .card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-size: 340px;
    background-position: top right;
    background-repeat: no-repeat;
    z-index: 0;
    pointer-events: none;
  }
  
  .card--red::before {
    background-image: url('../img/card_red.png');
  }
  
  .card--green::before {
    background-image: url('../img/card_green.png');
  }
  
  .card--lightblue::before {
    background-image: url('../img/card_lightblue.png');
  }
  
  .card--orange::before {
    background-image: url('../img/card_orange.png');
  }
  
  .card--purple::before {
    background-image: url('../img/card_purple.png');
  }
  
  .card--turquoise::before {
    background-image: url('../img/card_turquoise.png');
  }
  
  .card--violet::before {
    background-image: url('../img/card_violet.png');
  }
  
  .card--yellow::before {
    background-image: url('../img/card_yellow.png');
  }
  
  .card--lightgreen::before {
    background-image: url('../img/card_lightgreen.png');
  }
  
  .card--blue::before {
    background-image: url('../img/card_blue.png');
  }
  
  /* ============================================
     ページネーションコンポーネント
     ============================================ */
  .pagenation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-200);
    margin: auto 0 0;
    padding-top: var(--space-1200);
  }
  
  .pagenation__pages {
    display: flex;
    align-items: center;
    gap: var(--space-200);
  }
  
  .pagenation__ellipsis {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-neutral-gray-600);
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
  }
  
  .pagenation__button {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-brand-orange-1000);
    border-radius: var(--radius-button);
    background-color: var(--color-neutral-white);
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    color: var(--color-brand-orange-1000);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.1s;
  }
  
  .pagenation__button:hover:not(:disabled) {
    border: 1px solid var(--color-brand-orange-550);
    background-color: var(--color-brand-orange-550);
    color: var(--color-neutral-white);
  }
  
  .pagenation__button:hover:not(:disabled) img {
    filter: brightness(0) invert(1);
  }
  
  .pagenation__button:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
  }
  
  .pagenation__button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }
  
  .pagenation__button--page {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-brand-orange-1000);
    border-radius: var(--radius-button);
    background-color: var(--color-neutral-white);
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    color: var(--color-brand-orange-1000);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.1s;
  }
  
  .pagenation__button--page:hover {
    border: 1px solid var(--color-brand-orange-550);
    background-color: var(--color-brand-orange-550);
    color: var(--color-neutral-white);
  }
  
  .pagenation__button--page:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
  }
  
  .pagenation__button--page--active {
    border: 1px solid var(--color-brand-orange-550);
    background-color: var(--color-brand-orange-550);
    color: var(--color-neutral-white);
  }
  
  .pagenation__button img {
    width: 16px;
    height: 16px;
    display: block;
  }
  
  .pagenation__button-icon--next {
    transform: rotate(180deg);
  }
  
  /* ============================================
     ページトップボタンコンポーネント
     ============================================ */
  .pagetop {
    position: fixed;
    bottom: var(--space-400);
    right: var(--space-400);
    width: 64px;
    height: 64px;
    border: 2px solid var(--color-brand-orange-550);
    border-radius: var(--icon-size-large);
    background-color: var(--color-neutral-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: bottom 0.1s, position 0.1s, opacity 0.1s, visibility 0.1s;
    opacity: 0;
    visibility: hidden;
  }
  
  .pagetop--visible {
    opacity: 1;
    visibility: visible;
  }
  
  .pagetop:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
  }
  
  .pagetop img {
    width: 24px;
    height: 24px;
    display: block;
    transition: filter 0.1s;
  }
  
  /* ============================================
     お知らせコンポーネント
     ============================================ */
  .info {
    display: flex;
    align-items: center;
    gap: var(--space-150);
    background-color: var(--color-brand-orange-200);
    border: 1px solid var(--color-brand-orange-1000);
    border-radius: var(--radius-100);
    padding: var(--space-150) var(--space-400);
    width: 100%;
    min-width: 0;
    position: relative;
    min-height: 40px;
  }
  
  .main-content .info {
    overflow: hidden;
  }
  
  .info__content {
    display: flex;
    align-items: center;
    gap: var(--space-150);
    opacity: 0;
    padding: var(--space-150) var(--space-400);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: translateY(100%);
    transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
    pointer-events: none;
  }
  
  .info__content.info__content--active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    z-index: 1;
  }
  
  .info__content.info__content--prev {
    transform: translateY(-100%);
  }
  
  .info__icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
  }
  
  .info__link {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-brand-orange-1000);
    text-decoration: underline;
    flex: 0 1 auto;
    min-width: 0;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .info__link:hover {
    opacity: 0.8;
  }
  
  .info__link:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
    border-radius: var(--radius-100);
  }
  
  .info__text {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-brand-orange-1000);
    min-width: 0;
    flex: 1;
  }
  
  /* ============================================
     お知らせページコンポーネント（開始）
     ============================================ */
  .info-list {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .info-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    border-bottom: 1px solid var(--color-neutral-gray-200);
  }
  
  .info-item__link {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: 81px;
    padding: var(--space-300) var(--space-400);
    color: var(--color-neutral-gray-600);
    cursor: pointer;
    transition: background-color 0.1s;
    text-decoration: none;
  }
  
  .info-item__link:hover .info-item__title {
    color: var(--color-brand-orange-550);
  }
  
  .info-item__link:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
  }
  
  .info-item__date {
    display: block;
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-regular);
    line-height: 1.7;
    letter-spacing: 0.28px;
    color: var(--color-neutral-gray-600);
    padding-bottom: var(--space-100);
  }
  
  .info-item__title {
    font-family: var(--font-family-sans);
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    line-height: 1.6;
    letter-spacing: 0.252px;
    color: var(--color-neutral-gray-600);
    margin: 0;
  }
  
  /* 未読：日付・タイトル共に太字 */
  .info-item--unread .info-item__date {
    font-weight: var(--font-weight-bold);
  }
  
  .info-item--unread .info-item__title {
    font-weight: var(--font-weight-bold);
  }
  
  /* 既読：日付・タイトル共に通常の太さ */
  .info-item--read .info-item__date {
    font-weight: var(--font-weight-regular);
  }
  
  .info-item--read .info-item__title {
    font-weight: var(--font-weight-regular);
  }
  
  .backbutton-section {
    margin-top: 0;
    padding-top: var(--space-800);
    border-top: 1px solid var(--color-neutral-gray-200);
  }
  /* ============================================
     お知らせページコンポーネント（終了）
     ============================================ */
  
  /* ============================================
     フィルターボタンコンポーネント
     ============================================ */
  .filter-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-200);
    background-color: var(--color-neutral-white);
    border: 1px solid var(--color-neutral-gray-200);
    border-radius: var(--radius-100);
    padding: var(--space-100) var(--space-200);
    min-width: 140px;
    height: 32px;
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    color: var(--color-neutral-gray-600);
    cursor: pointer;
    transition: all 0.1s;
  }
  
  .filter-button[aria-expanded="true"] {
    outline: 2px solid var(--color-neutral-gray-600);
  }
  
  .filter-button:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
  }
  
  .filter-button__text {
    white-space: nowrap;
  }
  
  .filter-button__icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
  }
  
  .filter-wrapper {
    position: relative;
  }
  
  .filter-menu {
    position: absolute;
    top: calc(100% + var(--space-200));
    left: 0;
    background-color: var(--color-neutral-white);
    border: 1px solid var(--color-neutral-gray-200);
    border-radius: var(--radius-100);
    box-shadow: 0 4px 12px rgba(28, 26, 24, 0.1);
    list-style: none;
    margin: 0;
    padding: var(--space-200) 0;
    min-width: 140px;
    z-index: 100;
    display: none;
  }
  
  .filter-menu[aria-hidden="false"] {
    display: block;
  }
  
  .filter-menu__item {
    display: flex;
  }
  
  .filter-menu__button {
    width: 100%;
    padding: var(--space-100) var(--space-400);
    background: transparent;
    border: none;
    text-align: left;
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    color: var(--color-neutral-gray-600);
    cursor: pointer;
    transition: background-color 0.1s;
  }
  
  .filter-menu__button:hover {
    background-color: var(--color-neutral-gray-100);
  }
  
  .filter-menu__button:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: -2px;
  }
  
  /* ============================================
     パンくずリストコンポーネント
     ============================================ */
  .breadcrumb {
    width: 100%;
    max-width: 1152px;
    padding: 0 var(--space-400) var(--space-400);
    margin: auto auto 0;
  }
  
  .breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-50);
    list-style: none;
  }
  
  .breadcrumb__item {
    display: flex;
    align-items: center;
  }
  
  .breadcrumb__link {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-brand-orange-550);
    text-decoration: underline;
    text-underline-position: from-font;
  }
  
  .breadcrumb__link:hover {
    color: var(--color-brand-orange-700);
  }
  
  .breadcrumb__link:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
    border-radius: var(--radius-100);
  }
  
  .breadcrumb__separator {
    width: var(--icon-size-small);
    height: var(--icon-size-small);
    display: block;
  }
  
  .breadcrumb__item--current {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
  }
  
  /* ============================================
     ツール詳細ページコンポーネント
     ============================================ */
  .tool-form__tabs {
    display: flex;
    gap: var(--space-200);
    margin-bottom: var(--space-200);
    padding: var(--space-100) 0;
  }
  
  .tool-form__tab {
    display: flex;
    align-items: center;
    gap: var(--space-150);
    height: 40px;
    padding: 0 var(--space-300);
    border-radius: var(--radius-100);
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-400);
    cursor: pointer;
    transition: all 0.1s;
    background: var(--color-neutral-white);
    border: none;
  }
  
  .tool-form__tab:hover {
    background: var(--color-neutral-gray-100);
  }
  
  .tool-form__tab--active,
  .tool-form__tab[aria-selected="true"] {
    background: var(--color-neutral-gray-100);
    border: none;
    color: var(--color-neutral-gray-600);
    font-weight: var(--font-weight-bold);
  }
  
  .tool-form__tab-icon {
    width: var(--icon-size-small);
    height: var(--icon-size-small);
    flex-shrink: 0;
    display: block;
  }
  
  .tool-form__tab--active .tool-form__tab-icon,
  .tool-form__tab[aria-selected="true"] .tool-form__tab-icon {
    filter: brightness(0) saturate(100%) invert(8%) sepia(4%) saturate(0%) hue-rotate(0deg) brightness(95%) contrast(100%);
  }
  
  .tool-form__tab:not(.tool-form__tab--active):not([aria-selected="true"]) .tool-form__tab-icon {
    filter: brightness(0) saturate(100%) invert(52%) sepia(2%) saturate(0%) hue-rotate(0deg) brightness(95%) contrast(100%);
  }
  
  .tool-form__tab:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    border-radius: var(--radius-100);
  }
  
  .tool-form__tab-content {
    display: block;
  }
  
  .tool-form__tab-content--hidden {
    display: none;
  }
  
  .tool-form__file-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-200);
    padding: var(--space-400) var(--space-400) var(--space-600);
    border: none;
    border-radius: var(--radius-100);
    background-color: var(--color-neutral-white);
    cursor: pointer;
    transition: all 0.1s;
    position: relative;
  }
  
  .tool-form__file-upload::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-100);
    padding: var(--dashed-border-stroke-width);
    background: 
      repeating-linear-gradient(
        to right,
        var(--color-neutral-gray-400) 0,
        var(--color-neutral-gray-400) var(--dashed-border-dash-length),
        transparent var(--dashed-border-dash-length),
        transparent calc(var(--dashed-border-dash-length) + var(--dashed-border-gap-length))
      ) 0 0 / 100% var(--dashed-border-stroke-width),
      repeating-linear-gradient(
        to right,
        var(--color-neutral-gray-400) 0,
        var(--color-neutral-gray-400) var(--dashed-border-dash-length),
        transparent var(--dashed-border-dash-length),
        transparent calc(var(--dashed-border-dash-length) + var(--dashed-border-gap-length))
      ) 0 100% / 100% var(--dashed-border-stroke-width),
      repeating-linear-gradient(
        to bottom,
        var(--color-neutral-gray-400) 0,
        var(--color-neutral-gray-400) var(--dashed-border-dash-length),
        transparent var(--dashed-border-dash-length),
        transparent calc(var(--dashed-border-dash-length) + var(--dashed-border-gap-length))
      ) 0 0 / var(--dashed-border-stroke-width) 100%,
      repeating-linear-gradient(
        to bottom,
        var(--color-neutral-gray-400) 0,
        var(--color-neutral-gray-400) var(--dashed-border-dash-length),
        transparent var(--dashed-border-dash-length),
        transparent calc(var(--dashed-border-dash-length) + var(--dashed-border-gap-length))
      ) 100% 0 / var(--dashed-border-stroke-width) 100%;
    background-repeat: no-repeat;
    -webkit-mask: 
      linear-gradient(#fff 0 0) content-box,
      linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: 
      linear-gradient(#fff 0 0) content-box,
      linear-gradient(#fff 0 0);
    mask-composite: exclude;
    pointer-events: none;
  }
  
  .tool-form__file-upload:focus::before,
  .tool-form__file-upload:active::before {
    padding: 2px;
    background: 
      repeating-linear-gradient(
        to right,
        var(--color-neutral-gray-600) 0,
        var(--color-neutral-gray-600) var(--dashed-border-dash-length),
        transparent var(--dashed-border-dash-length),
        transparent calc(var(--dashed-border-dash-length) + var(--dashed-border-gap-length))
      ) 0 0 / 100% 2px,
      repeating-linear-gradient(
        to right,
        var(--color-neutral-gray-600) 0,
        var(--color-neutral-gray-600) var(--dashed-border-dash-length),
        transparent var(--dashed-border-dash-length),
        transparent calc(var(--dashed-border-dash-length) + var(--dashed-border-gap-length))
      ) 0 100% / 100% 2px,
      repeating-linear-gradient(
        to bottom,
        var(--color-neutral-gray-600) 0,
        var(--color-neutral-gray-600) var(--dashed-border-dash-length),
        transparent var(--dashed-border-dash-length),
        transparent calc(var(--dashed-border-dash-length) + var(--dashed-border-gap-length))
      ) 0 0 / 2px 100%,
      repeating-linear-gradient(
        to bottom,
        var(--color-neutral-gray-600) 0,
        var(--color-neutral-gray-600) var(--dashed-border-dash-length),
        transparent var(--dashed-border-dash-length),
        transparent calc(var(--dashed-border-dash-length) + var(--dashed-border-gap-length))
      ) 100% 0 / 2px 100%;
    background-repeat: no-repeat;
    -webkit-mask: 
      linear-gradient(#fff 0 0) content-box,
      linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: 
      linear-gradient(#fff 0 0) content-box,
      linear-gradient(#fff 0 0);
    mask-composite: exclude;
  }
  
  .tool-form__file-upload--error::before {
    padding: 1px;
    background: 
      repeating-linear-gradient(
        to right,
        var(--color-brand-red-700) 0,
        var(--color-brand-red-700) var(--dashed-border-dash-length),
        transparent var(--dashed-border-dash-length),
        transparent calc(var(--dashed-border-dash-length) + var(--dashed-border-gap-length))
      ) 0 0 / 100% 1px,
      repeating-linear-gradient(
        to right,
        var(--color-brand-red-700) 0,
        var(--color-brand-red-700) var(--dashed-border-dash-length),
        transparent var(--dashed-border-dash-length),
        transparent calc(var(--dashed-border-dash-length) + var(--dashed-border-gap-length))
      ) 0 100% / 100% 1px,
      repeating-linear-gradient(
        to bottom,
        var(--color-brand-red-700) 0,
        var(--color-brand-red-700) var(--dashed-border-dash-length),
        transparent var(--dashed-border-dash-length),
        transparent calc(var(--dashed-border-dash-length) + var(--dashed-border-gap-length))
      ) 0 0 / 1px 100%,
      repeating-linear-gradient(
        to bottom,
        var(--color-brand-red-700) 0,
        var(--color-brand-red-700) var(--dashed-border-dash-length),
        transparent var(--dashed-border-dash-length),
        transparent calc(var(--dashed-border-dash-length) + var(--dashed-border-gap-length))
      ) 100% 0 / 1px 100%;
    background-repeat: no-repeat;
    -webkit-mask: 
      linear-gradient(#fff 0 0) content-box,
      linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: 
      linear-gradient(#fff 0 0) content-box,
      linear-gradient(#fff 0 0);
    mask-composite: exclude;
  }
  
  .tool-form__file-icon {
    width: var(--icon-size-large);
    height: var(--icon-size-large);
    flex-shrink: 0;
  }
  
  .tool-form__file-text {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
    margin: 0;
    text-align: center;
  }
  
  .tool-form__file-text-main {
    font-weight: var(--font-weight-bold);
  }
  
  .tool-form__file-separator {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
    margin: 0;
    text-align: center;
  }
  
  .tool-form__file-note {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    color: var(--color-neutral-gray-500);
    margin: 0;
    text-align: center;
    padding: var(--space-100) var(--space-400);
    border-radius: var(--radius-100);
  }
  
  /* ファイルアップロード完了時の表示 */
  .tool-form__file-upload-initial {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-200);
    width: 100%;
  }
  
  .tool-form__file-upload-initial.tool-form__file-upload-initial--hidden {
    display: none;
  }
  
  .tool-form__file-upload-selected {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: var(--space-200);
    width: 100%;
  }
  
  .tool-form__file-upload-selected.tool-form__file-upload-selected--visible {
    display: flex;
  }
  
  .tool-form__file-info {
    display: flex;
    align-items: center;
    gap: var(--space-300);
    width: 100%;
    padding: var(--space-300) var(--space-400);
    border: 1px solid var(--color-neutral-gray-400);
    border-radius: var(--radius-100);
    background-color: var(--color-neutral-white);
  }
  
  .tool-form__file-thumbnail {
    height: 32px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }
  
  .tool-form__file-thumbnail-image {
    display: none;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .tool-form__file-thumbnail-image.tool-form__file-thumbnail-image--visible {
    display: block;
  }
  
  .tool-form__file-thumbnail-icon {
    width: 24px;
    height: 24px;
    display: block;
  }
  
  .tool-form__file-thumbnail-icon.tool-form__file-thumbnail-icon--hidden {
    display: none;
  }
  
  .tool-form__file-name {
    flex: 1;
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
    margin: 0;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  .tool-form__file-remove {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.1s;
  }
  
  .tool-form__file-remove:hover {
    opacity: 0.7;
  }
  
  .tool-form__file-remove:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
    border-radius: var(--radius-100);
  }
  
  .tool-form__file-remove img {
    width: 24px;
    height: 24px;
    display: block;
  }
  
  /* ============================================
     エクセルファイル用シート選択UI（開始）
     ============================================ */
  /* シート選択 */
  .tool-form__excel-sheet-selection {
    width: 100%;
    margin-top: var(--space-400);
  }
  
  .tool-form__excel-sheet-selection .tool-form__radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-200);
  }
  
  .tool-form__sheet-checkbox-group {
    display: none;
    margin-top: var(--space-200);
    padding-left: var(--space-800);
  }
  
  .tool-form__excel-sheet-selection:has(#sheet-specify:checked) .tool-form__sheet-checkbox-group {
    display: block;
  }
  
  .tool-form__sheet-checkbox-group .tool-form__checkbox-group {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-200);
    column-gap: var(--space-800);
  }
  
  @media (max-width: 768px) {
    .tool-form__sheet-checkbox-group .tool-form__checkbox-group {
      flex-direction: column;
    }
  }
  /* ============================================
     エクセルファイル用シート選択UI（終了）
     ============================================ */
  
  /* ============================================
     フォーム出力エリアコンポーネント
     ============================================ */
  .tool-form-output {
    display: none;
    flex-direction: column;
    gap: var(--space-800);
    align-items: flex-start;
    background-color: var(--color-neutral-white);
    padding: var(--space-800) var(--space-1200);
    margin-top: var(--space-1200);
    border-radius: var(--radius-400);
    width: 100%;
  }
  
  .tool-form-output.tool-form-output--visible {
    display: flex;
  }
  
  .tool-form-output__title {
    font-family: var(--font-family-sans);
    font-size: var(--typography-heading-size-medium);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-heading);
    letter-spacing: var(--letter-spacing-heading-base);
    color: var(--color-neutral-gray-600);
    margin: 0;
    width: 100%;
  }
  
  .tool-form-output__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-600);
    width: 100%;
  }
  
  .tool-form-output__text {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
  }
  
  /* ============================================
     テーブルコンポーネント（開始）
     ============================================ */
  /* テーブルコンポーネント */
     .table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-neutral-white);
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
  }
  
  .table th {
    background-color: var(--color-brand-orange-200);
    padding: var(--space-300) var(--space-400);
    text-align: left;
    font-weight: var(--font-weight-bold);
    border: 1px solid var(--color-neutral-gray-400);
  }
  
  .table td {
    background-color: var(--color-neutral-white);
    padding: var(--space-300) var(--space-400);
    border: 1px solid var(--color-neutral-gray-400);
  }
  /* ============================================
     テーブルコンポーネント（終了）
     ============================================ */
  
  /* フォームアクション（共通） */
  .form-actions {
    display: flex;
    gap: var(--space-600);
    justify-content: center;
    width: 100%;
  }
  
  .form-actions--left {
    justify-content: flex-start;
  }
  
  .form-actions .btn {
    min-width: 240px;
  }
  
  .tool-form-output__action-wrapper {
    position: relative;
    display: flex;
  }
  
  .btn__icon {
    width: 24px;
    height: 24px;
    display: block;
    flex-shrink: 0;
  }
  
  /* ============================================
     ツールチップコンポーネント
     ============================================ */
  .tooltip {
    position: absolute;
    bottom: calc(100% + var(--space-200));
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-neutral-gray-600);
    color: var(--color-neutral-white);
    padding: var(--space-100) var(--space-300);
    border-radius: var(--radius-100);
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    white-space: nowrap;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.1s, visibility 0.1s;
    pointer-events: none;
  }
  
  .tooltip[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
  }
  
  .tooltip__text {
    display: block;
  }
  
  .tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid var(--color-neutral-gray-600);
  }
  
  @media (max-width: 768px) {
    .tool-form-output {
      padding: var(--space-600) var(--space-400);
    }
  
    .form-actions {
      flex-direction: column;
    }
  
    .form-actions .btn {
      width: 100%;
      min-width: fit-content;
    }
  }
  
  .form-input__field--error {
    border-color: var(--color-brand-red-700);
  }
  
  .form-input [role="alert"]:not(.visually-hidden) {
    display: block;
    margin-top: var(--space-200);
  }
  
  .tool-form__checkbox-group + [role="alert"]:not(.visually-hidden),
  .tool-form__radio-group + [role="alert"]:not(.visually-hidden) {
    display: block;
    margin-top: var(--space-200);
  }
  
  .tool-form__checkbox-group,
  .tool-form__radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-200);
  }
  
  .tool-form__checkbox-item,
  .tool-form__radio-item {
    display: flex;
    align-items: center;
    gap: var(--space-200);
    padding: var(--space-100) 0 var(--space-100) var(--space-100);
  }
  
  .tool-form__checkbox,
  .tool-form__radio {
    width: 24px;
    height: 24px;
    margin: 0;
    cursor: pointer;
    flex-shrink: 0;
    accent-color: var(--color-brand-orange-550);
  }
  
  .tool-form__checkbox-label,
  .tool-form__radio-label {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
    cursor: pointer;
  }
  
  .tool-form__checkbox:focus-visible,
  .tool-form__radio:focus-visible {
    border: 2px solid var(--color-neutral-gray-600);
  }
  
  @media (max-width: 768px) {
    .tool-form {
      padding: var(--space-600) var(--space-400) var(--space-800);
    }
  
    .tool-form__tabs {
      flex-wrap: wrap;
      flex-direction: column;
    }
  
    .tool-form__tab {
      flex: 1;
      min-width: 0;
      text-align: center;
    }
  }
  
  /* ============================================
     ファイルエラーポップアップコンポーネント
     ============================================ */
  .file-error-popup {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.1s, visibility 0.1s;
  }
  
  .file-error-popup[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
  }
  
  .file-error-popup__overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(28, 26, 24, 0.5);
  }
  
  .file-error-popup__content {
    position: relative;
    background-color: var(--color-neutral-white);
    border-radius: var(--radius-100);
    padding: var(--space-400) var(--space-600);
    max-width: 560px;
    width: calc(100% - var(--space-1200));
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    box-shadow: 0 4px 16px rgba(28, 26, 24, 0.2);
  }
  
  .file-error-popup__icon-container {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-300);
  }
  
  .file-error-popup__icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }
  
  .file-error-popup__title {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
    margin: 0 0 var(--space-300);
    text-align: center;
  }
  
  .file-error-popup__message {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
    margin: 0 0 var(--space-400);
    text-align: center;
  }
  
  .file-error-popup__button {
    min-width: 130px;
  }
  
  /* ============================================
     ユーザー情報変更確認ポップアップコンポーネント
     ============================================ */
  .user-confirm-popup {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.1s, visibility 0.1s;
  }
  
  .user-confirm-popup[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
  }
  
  .user-confirm-popup__overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(28, 26, 24, 0.5);
  }
  
  .user-confirm-popup__content {
    position: relative;
    background-color: var(--color-neutral-white);
    border-radius: var(--radius-100);
    padding: var(--space-400) var(--space-600);
    max-width: 560px;
    width: calc(100% - var(--space-1200));
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    box-shadow: 0 4px 16px rgba(28, 26, 24, 0.2);
  }
  
  .user-confirm-popup__icon-container {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-300);
  }
  
  .user-confirm-popup__icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }
  
  .user-confirm-popup__message {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
    text-align: center;
    margin: 0;
    padding-bottom: var(--space-400);
  }
  
  .user-confirm-popup__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-400);
    width: 100%;
    justify-content: center;
  }
  
  .user-confirm-popup__actions .btn {
    min-width: 130px;
    max-width: 320px;
  }
  
  /* ============================================
     エラーページコンポーネント（開始）
     ============================================ */
  .error-icon-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: var(--space-1200) 0 var(--space-1800);
  }
  
  .error-icon {
    width: 532px;
    height: 210px;
    object-fit: contain;
    display: block;
  }
  
  @media screen and (max-width: 960px) {
    .error-icon-container {
      padding: var(--space-800) 0 var(--space-1200);
    }
  
    .error-icon {
      width: 80%;
      max-width: 532px;
      height: auto;
      aspect-ratio: 532 / 210;
    }
  }
  /* ============================================
     エラーページコンポーネント（終了）
     ============================================ */
  
  /* ============================================
     テキストセクションコンポーネント（汎用）
     ============================================ */
  .text-section {
    margin-bottom: var(--space-1800);
  }
  
  .page-content > .text-section:first-of-type {
    padding-top: var(--space-1200);
  }
  
  .page-content > .text-section:last-of-type {
    margin-bottom: 0;
  }
  
  .text-section__header {
    margin-bottom: var(--space-800);
  }
  
  .text-section__subtitle-header {
    margin-bottom: var(--space-600);
  }
  
  .text-section__header--border {
    border-top: 1px solid var(--color-neutral-gray-200);
    padding-top: var(--space-600);
    margin-bottom: var(--space-400);
  }
  
  .text-section__title {
    font-family: var(--font-family-sans);
    font-size: var(--typography-heading-size-medium);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-heading);
    letter-spacing: var(--letter-spacing-heading-base);
    color: var(--color-neutral-gray-600);
    margin: 0;
    scroll-margin-top: 64px;
  }
  
  .text-center {
    text-align: center;
  }
  
  .text-large-bold {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-large);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
  }
  
  .help-faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-800);
    max-width: 1120px;
  }
  
  .help-faq-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-100);
  }
  
  .help-faq-item__title {
    font-family: var(--font-family-sans);
    font-size: var(--typography-heading-size-small);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-heading);
    letter-spacing: var(--letter-spacing-heading-small);
    color: var(--color-neutral-gray-600);
    margin: 0 0 var(--space-100);
  }
  
  .help-faq-item__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-100);
  }
  
  /* よくある質問のリンク（共通） */
  .faq-link {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
    margin: 0;
    text-decoration: none;
    display: block;
    width: fit-content;
    transition: text-decoration 0.1s;
  }
  
  .faq-link:hover {
    text-decoration: underline;
    text-underline-position: from-font;
  }
  
  .faq-link:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
    border-radius: var(--radius-100);
  }
  
  .help-nav-links {
    display: flex;
    gap: var(--space-0);
    width: 100%;
    margin-bottom: var(--space-800);
  }
  
  .help-nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-100);
    width: 100%;
    padding: var(--space-300) var(--space-400);
    border-bottom: 1px solid var(--color-neutral-gray-200);
    text-decoration: none;
    transition: background-color 0.1s;
    min-height: 74px;
  }
  
  .help-nav-link:hover {
    border-color: var(--color-brand-orange-550);
  }
  
  .help-nav-link:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: -2px;
  }
  
  .help-nav-link__text {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-large);
    font-weight: var(--font-weight-bold);
    line-height: 1.6;
    letter-spacing: 0.252px;
    color: var(--color-neutral-gray-600);
    text-align: center;
    min-width: 0;
    width: 100%;
  }
  
  .help-nav-link__icon {
    width: var(--icon-size-small);
    height: var(--icon-size-small);
    flex-shrink: 0;
    display: block;
    filter: brightness(0) saturate(100%) invert(45%) sepia(93%) saturate(1352%) hue-rotate(1deg) brightness(95%) contrast(90%);
  }
  
  @media screen and (max-width: 960px) {
    .help-nav-links {
      flex-direction: column;
      gap: var(--space-300);
    }
  }
  
  .help-contact-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-200);
    max-width: 1120px;
  }
  
  .help-contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-300);
    flex: 1;
    padding: 0 var(--space-400);
    min-width: 226px;
  }
  
  .help-contact-item__icon {
    width: 72px;
    height: 72px;
    display: block;
    flex-shrink: 0;
  }
  
  .help-contact-item__title {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-large);
    font-weight: var(--font-weight-bold);
    line-height: 1.6;
    letter-spacing: 0.252px;
    color: var(--color-neutral-gray-600);
    text-align: center;
    margin: 0;
  }
  
  .help-contact-item__button {
    max-width: 320px;
    width: 100%;
    min-width: 100px;
  }
  
  .help-contact-item__email {
    display: flex;
    align-items: baseline;
    gap: var(--space-200);
    font-family: var(--font-family-sans);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-heading);
    color: var(--color-neutral-gray-600);
    text-align: center;
  }
  
  .help-contact-item__email-label {
    font-size: var(--typography-body-size-small);
    letter-spacing: 0.05px;
  }
  
  .help-contact-item__email-address {
    font-size: var(--typography-heading-size-medium);
    letter-spacing: var(--letter-spacing-heading-base);
    color: var(--color-neutral-gray-600);
    text-decoration: none;
  }
  
  .help-contact-item__email-address:hover {
    opacity: 0.8;
    text-decoration: underline;
  }
  
  .help-contact-item__email-address:focus-visible {
    outline: 2px solid var(--color-neutral-gray-600);
    outline-offset: 2px;
    border-radius: var(--radius-100);
  }
  
  @media screen and (max-width: 960px) {
    .help-faq-grid {
      grid-template-columns: 1fr;
      gap: var(--space-800);
    }
  
    .help-contact-grid {
      gap: var(--space-800);
      flex-direction: column;
    }
  
    .help-contact-item__title {
      white-space: normal;
    }
  
    .help-contact-item__email {
      flex-direction: column;
      align-items: center;
      gap: var(--space-100);
    }
  }
  
  /* ============================================
     ヘルプ詳細ページコンポーネント
     ============================================ */
  
  .text-section__subtitle {
    font-family: var(--font-family-sans);
    font-size: var(--typography-heading-size-small);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-heading);
    letter-spacing: var(--letter-spacing-heading-small);
    color: var(--color-neutral-gray-600);
    margin: 0;
  }
  
  .text-section__content {
    max-width: 1120px;
  }
  
  .text-section__content--margin {
    margin-bottom: var(--space-1200);
  }
  
  .text-section__text {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
    margin: 0 0 var(--space-800);
  }
  
  .text-section__text:last-child {
    margin-bottom: 0;
  }
  
  .text-section__list {
    list-style: disc;
    margin: 0 0 var(--space-800);
    padding-left: var(--space-600);
  }
  
  .text-section__list--ordered {
    list-style: decimal;
  }
  
  .text-section__list-item {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-600);
    margin: 0;
  }
  
  .text-section__list-item:not(:last-child) {
    margin-bottom: var(--space-100);
  }
  
  .related-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-100);
  }
  
  
  .section-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-600);
    margin: var(--space-1200) 0 0;
  }
  
  .section-actions__button {
    min-width: 120px;
  }
  
  .section-actions__button--fixed {
    max-width: 240px;
    width: 100%;
  }
  
  @media screen and (max-width: 960px) {
    .text-section__content {
      max-width: 100%;
    }
  }
  
  @media screen and (max-width: 768px) {
    .section-actions {
      flex-direction: column;
    }
  }
  
  /* ============================================
     ユーザー設定ページコンポーネント
     ============================================ */
  .user-section {
    margin-top: var(--space-1200);
  }
  
  .user-section:first-of-type {
    padding-top: var(--space-1200);
    margin-top: 0;
  }
  
  .user-section__card {
    background-color: var(--color-neutral-white);
    border-radius: var(--radius-400);
    padding: var(--space-800) var(--space-1200);
    display: flex;
    flex-direction: column;
    gap: var(--space-800);
  }
  
  .user-section__title {
    font-family: var(--font-family-sans);
    font-size: var(--typography-heading-size-medium);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-heading);
    letter-spacing: var(--letter-spacing-heading-base);
    color: var(--color-neutral-gray-600);
    margin: 0;
  }
  
  .user-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-800);
  }
  
  .user-form__requirements {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    color: var(--color-neutral-gray-600);
    margin: 0;
    padding-left: 21px;
    list-style: disc;
  }
  
  .user-form__requirements li {
    line-height: var(--line-height-body);
  }
  
  .user-form__name-group {
    display: flex;
    gap: var(--space-400);
    width: 100%;
  }
  
  .user-form__name-item {
    width: 240px;
    flex-shrink: 0;
  }
  
  .form-group__label-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-200);
    margin-bottom: var(--space-200);
  }
  
  .form-group__optional {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--space-200);
    border: 1px solid var(--color-neutral-gray-500);
    border-radius: var(--radius-100);
    color: var(--color-neutral-gray-500);
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-small);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-small);
    height: 24px;
    min-width: 47px;
  }
  
  .form-input__field[readonly] {
    background-color: var(--color-neutral-gray-100);
    cursor: not-allowed;
  }
  
  .form-input__field[readonly]:focus-visible {
    border: 1px solid var(--color-neutral-gray-400);
    outline: none;
  }
  
  /* 多要素認証セクションのラジオボタン（disabled状態） */
  .user-section .tool-form__radio[disabled] {
    cursor: not-allowed;
    opacity: 1;
    appearance: none;
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border: 1px solid var(--color-neutral-gray-400);
    border-radius: 50%;
    background-color: var(--color-neutral-gray-100);
    position: relative;
    flex-shrink: 0;
  }
  
  /* 選択中のラジオボタン（checked + disabled） */
  .user-section .tool-form__radio[disabled]:checked {
    border-color: var(--color-brand-orange-550);
    background-color: var(--color-neutral-white);
  }
  
  .user-section .tool-form__radio[disabled]:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: var(--color-brand-orange-550);
  }
  
  .user-section .tool-form__radio[disabled] + .tool-form__radio-label {
    cursor: not-allowed;
  }
  
  @media screen and (max-width: 960px) {
    .user-section__card {
      padding: var(--space-800) var(--space-400);
    }
  
    .user-form__name-group {
      flex-direction: column;
      gap: var(--space-200);
    }
  
    .user-form__name-item {
      width: 100%;
    }
  
    .section-actions {
      margin: var(--space-800) 0 0;
    }
  }
  
  /* ============================================
     お問い合わせページコンポーネント（開始）
     ============================================ */
  /* ============================================
     お問い合わせページコンポーネント（開始）
     ============================================ */
  .contact-form__intro-text {
    margin: 0 0 var(--space-800);
  }
  
  .form-input__note {
    font-family: var(--font-family-sans);
    font-size: var(--typography-body-size-medium);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-body-medium);
    color: var(--color-neutral-gray-400);
    margin: 0;
    margin-top: var(--space-50);
  }
  
  .form-group--center {
    align-items: center;
  }
  /* ============================================
     お問い合わせページコンポーネント（終了）
     ============================================ */
  
  /* ============================================
     目次コンポーネント
     ============================================ */
  .contents-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-0);
    padding: var(--space-800) var(--space-1200);
    border: 1px solid var(--color-neutral-gray-200);
    border-radius: var(--radius-100);
    margin-top: var(--space-1200);
  }
  
  .contents-container__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-100);
  }
  
  .contents-container__list .link {
    font-size: var(--typography-body-size-medium);
    line-height: 1.7;
  }
  
  @media screen and (max-width: 768px) {
    .contents-container {
      padding: var(--space-600) var(--space-400);
    }
  }