/* ============================================
   メインスタイルシート
   ============================================ */

/* ============================================
   リセット & ベーススタイル
   ============================================ */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  overflow-y: auto;
  /* モーダル表示時に overflow:hidden へ切り替えてもレイアウトがずれないようガターを確保 */
  scrollbar-gutter: stable;
}

body {
  font-family: var(--font-family-sans), "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  color: var(--color-neutral-gray-600);
  background-color: var(--color-neutral-gray-100);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  word-break: break-all;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

/* ============================================
   認証ページ
   ============================================ */
.auth-page {
  position: relative;
  min-height: 100vh;
}

@media (max-width: 768px) {
  .auth-page {
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: 100vh;
    overflow: visible;
  }
}

ul, ol {
  padding-left: var(--space-600);
  margin-top: var(--space-200);
}

ul:not(ul ul):not(ol ul),
ol:not(ul ol):not(ol ol) {
  margin-bottom: var(--space-200);
}

li + li {
  margin-top: var(--space-100);
}

/* ============================================
   左側セクション（ブランディング）
   ============================================ */
.auth-branding {
  position: fixed;
  top: 0;
  left: 0;
  width: 50%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-neutral-white);
  background-image: url(../images/background.png);
  background-size: cover;
  background-position: center;
  overflow: hidden;
  padding: var(--space-600) 0 0;
  z-index: 1;
}

@media (max-width: 768px) {
  .auth-branding {
    display: none;
  }
}

.auth-branding__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-1200);
  align-items: center;
  width: 100%;
  z-index: 1;
  flex-shrink: 0;
  flex: 1;
  justify-content: center;
  margin-top: var(--space-1600);
  padding: 0 var(--space-800);
}

.auth-branding__logo {
  max-height: 220px;
  max-width: 181px;
  width: auto;
  height: 26vh;
  aspect-ratio: 181 / 220;
  position: relative;
  overflow: hidden;
}

.auth-branding__logo-image {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.auth-branding__tagline {
  text-align: center;
  width: 100%;
}

.company-logo__logo {
  height: 18px;
  width: 161px;
  position: relative;
  overflow: hidden;
  margin-top: var(--space-400);
}


/* ============================================
   右側セクション（認証フォーム）
   ============================================ */
.auth-form-section {
  margin-left: 50%;
  width: 50%;
  display: flex;
  flex-direction: column;
  gap: var(--space-800);
  align-items: center;
  justify-content: flex-start;
  padding: max(64px, calc((100vh - 560px) / 2)) var(--space-1200) var(--space-1200);
  background-color: var(--color-neutral-gray-100);
  min-height: 100vh;
}

@media (max-width: 768px) {
  .auth-form-section {
    margin-left: 0;
    width: 100%;
    padding: var(--space-800) var(--space-400) 0;
    min-height: auto;
    height: auto;
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .auth-form-section {
    padding: var(--space-600) var(--space-400) 0;
  }
}

.auth-form-section__title {
  max-width: 464px;
  width: 100%;
  text-align: left;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-600);
  width: 100%;
  max-width: 464px;
}

.login-form__password-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-400);
  width: 100%;
}

.login-form__forgot-password {
  display: inline-block;
}

.login-form .btn, 
.password-form .btn,
.password-reset-form .btn,
.password-success-message .btn {
  margin-top: var(--space-200);
}

.password-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-600);
  width: 100%;
  max-width: 464px;
}

.password-form__description {
  margin: 0;
  width: 100%;
}

.password-form__back {
  border-top: 1px solid var(--color-neutral-gray-200);
  padding-top: var(--space-800);
  width: 100%;
  max-width: 464px;
}

.password-form__back .btn {
  width: 100%;
}

.password-reset-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-600);
  width: 100%;
  max-width: 464px;
}

.password-reset-form__description {
  display: flex;
  flex-direction: column;
  gap: var(--space-100);
  width: 100%;
}

.password-reset-form__text {
  margin: 0;
  width: 100%;
}

.password-reset-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;
}

.password-reset-form__requirements li {
  line-height: var(--line-height-body);
}

.password-success-message {
  display: flex;
  flex-direction: column;
  gap: var(--space-600);
  width: 100%;
  max-width: 464px;
}

.password-success-message__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;
  width: 100%;
}

.password-reset-success-message {
  display: flex;
  flex-direction: column;
  gap: var(--space-600);
  width: 100%;
  max-width: 464px;
}

.password-reset-success-message__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;
  width: 100%;
  text-align: left;
}

/* ============================================
   ユーティリティクラス
   ============================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.text-center {
  text-align: center;
}

/* タイポグラフィ共通クラス */
.text-body {
  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-heading-small {
  font-family: var(--font-family-sans);
  font-size: var(--typography-heading-size-small);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-heading);
  letter-spacing: var(--letter-spacing-heading-small);
  color: var(--color-neutral-gray-600);
}

.text-heading-medium {
  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);
}

.text-heading-large {
  font-family: var(--font-family-sans);
  font-size: var(--typography-heading-size-large);
  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);
}

/* ============================================
   モバイル専用要素
   ============================================ */
.mobile-branding,
.mobile-footer {
  display: none;
}

@media (max-width: 768px) {
  .mobile-branding {
    display: flex;
  }

  .auth-branding__content {
    width: 100%;
    max-width: 383px;
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    margin: 0 auto var(--space-400);
    padding: 0;
    gap: var(--space-400);
  }

  .auth-branding__logo {
    height: 2em;
    width: 100%;
  }

  .auth-branding__tagline {
    font-size: var(--typography-body-size-small);
  }

  .mobile-footer {
    display: flex;
    margin-top: auto;
    padding-top: var(--space-1600);
  }

  .company-logo__logo {
    height: 14px;
    width: 129px;
  }
}

/* ============================================
   ツール一覧ページ
   ============================================ */
.main {
  display: flex;
  min-height: calc(100vh - 48px);
  position: relative;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--space-800) var(--space-600) var(--space-2400);
  width: 100%;
  max-width: min(calc(100vw - 309px), 1928px);
  margin: 0 auto;
}

@media (min-width: 1280px) {
  .main-content {
    padding: var(--space-800) var(--space-1200) var(--space-2400);
  }
}

.info-header {
  margin-bottom: var(--space-600);
  width: 100%;
}

.auth-form-section .info-header {
  max-width: 464px;
}

/* ユーザー設定ページのinfo-header */
#user-info-header,
#password-info-header, 
#mfa-info-header {
  margin-top: var(--space-1200);
  margin-bottom: 0;
}

.title-header {
  margin-bottom: var(--space-150);
}

.title-header__title {
  font-family: var(--font-family-sans);
  font-size: var(--typography-heading-size-large);
  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;
}

/* ツール一覧ページのみにpaddingを適用 */
.main-content .title-header__title {
  padding: 0 var(--space-800);
}

.search-result-header {
  display: flex;
  justify-content: flex-end;
  padding-bottom: var(--space-600);
  border-bottom: 1px solid var(--color-neutral-gray-200);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, 333px);
  gap: var(--space-800) var(--space-600);
  padding: var(--space-800) var(--space-800) 0;
  justify-content: center;
}

.tool-grid__empty-message {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-1600) 0;
  color: var(--color-neutral-gray-600);
  font-size: var(--typography-body-size-large);
}

@media (max-width: 960px) {
  .main {
    flex-direction: column;
  }

  .main-content {
    padding: var(--space-800) var(--space-400) var(--space-2400);
    max-width: 100%;
  }

  .title-header__title {
    font-size: var(--typography-heading-size-medium);
  }

  /* ツール一覧ページのみにpaddingを適用 */
  .main-content .title-header__title {
    padding: 0 var(--space-200);
  }

  .tool-grid {
    padding: var(--space-800) 0 0;
  }
}

@media (max-width: 375px) {
  .tool-grid {
    display: flex;
    flex-wrap: wrap
  }
}
/* ============================================
   ツール詳細ページ・お気に入りページ
   ============================================ */
.main-t {
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 48px);
  position: relative;
}
.tool-content {
  padding: 0 0 var(--space-2400);
}

.main-content:has(.tool-content) {
  padding-bottom: 0;
}

.page-content {
  max-width: 1152px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-1200) var(--space-400) var(--space-2400);
}

.tool-header {
  margin-bottom: var(--space-800);
}

.tool-header__head {
  display: flex;
  align-items: flex-start;
  gap: var(--space-600);
  margin-bottom: var(--space-800);
}

.tool-header__title {
  font-family: var(--font-family-sans);
  font-size: var(--typography-heading-size-large);
  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;
  flex: 1;
  min-width: 0;
}

.tool-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-400);
  flex-shrink: 0;
  padding: var(--space-200) 0;
}

.tool-header__action-icon {
  width: var(--icon-size-medium);
  height: var(--icon-size-medium);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tool-header__action-icon img {
  width: var(--icon-size-medium);
  height: var(--icon-size-medium);
  display: block;
}

.tool-header__action-button {
  width: var(--icon-size-medium);
  height: var(--icon-size-medium);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.1s;
}

.tool-header__favorite:hover img {
  filter: brightness(0) saturate(100%) invert(30%) sepia(95%) saturate(5000%) hue-rotate(320deg) brightness(0.95) contrast(0.9);
}

.tool-header__action-button:focus-visible {
  outline: 2px solid var(--color-neutral-gray-600);
  outline-offset: 2px;
  border-radius: var(--radius-100);
}

.tool-header__action-button img {
  width: var(--icon-size-medium);
  height: var(--icon-size-medium);
  display: block;
}

.tool-header__description {
  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;
}

.tool-usage {
  margin-bottom: var(--space-1200);
  border-top: 1px solid var(--color-neutral-gray-200);
  border-bottom: 1px solid var(--color-neutral-gray-200);
}

.tool-usage__container {
  display: flex;
  flex-direction: column;
  gap: var(--space-50);
}

.tool-usage__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  padding: var(--space-300) var(--space-400);
  cursor: pointer;
  text-align: left;
  transition: all 0.1s;
  position: relative;
}

.tool-usage__toggle:hover {
  background-color: var(--color-neutral-gray-200);
}

.tool-usage__heading {
  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;
}

.tool-usage__icon {
  width: var(--icon-size-small);
  height: var(--icon-size-small);
  flex-shrink: 0;
  position: absolute;
  right: var(--space-400);
  transition: opacity 0.1s;
}

.tool-usage__icon--open {
  opacity: 1;
}

.tool-usage__icon--close {
  opacity: 0;
}

.tool-usage__toggle[aria-expanded="true"] .tool-usage__icon--open {
  opacity: 0;
}

.tool-usage__toggle[aria-expanded="true"] .tool-usage__icon--close {
  opacity: 1;
}

.tool-usage__content {
  display: none;
  padding: 0 var(--space-400) var(--space-300);
}

.tool-usage__content[aria-hidden="false"] {
  display: block;
}

.tool-usage__content p {
  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;
}

.tool-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-800);
  background: var(--color-neutral-white);
  padding: var(--space-800) var(--space-1200);
  border-radius: var(--radius-400);
}

.dynamic-form { 
  display: flex;
  flex-direction: column;
  /* align-items: center; */
  gap: var(--space-800);
  width: 100%;
}

.form-group__required {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-200);
  border: 1px solid var(--color-brand-red-700);
  border-radius: var(--radius-100);
  color: var(--color-brand-red-700);
  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-group__required[hidden] {
  display: none !important;
}

.form-group__fieldset {
  border: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-200);
}

.form-input__field.form-input__field--textarea {
  height: auto;
  min-height: 163px;
  max-height: 480px;
  resize: none;
  overflow-y: auto;
  padding: var(--space-400);
}

.form-input__field--select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M7 10l5 5 5-5' stroke='%231c1a18' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-400) center;
  background-size: var(--icon-size-small);
  padding-right: 40px !important;
  cursor: pointer;
}

@media (max-width: 960px) {
  .tool-content {
    max-width: 100%;
  }

  .page-content {
    padding: var(--space-800) var(--space-400) var(--space-2400);
  }

  .tool-header__head {
    gap: var(--space-400);
  }

  .tool-header__actions {
    align-self: flex-start;
  }

  .tool-header__title {
    font-size: var(--typography-heading-size-medium);
  }
}

/* ============================================
   ランキングページ
   ============================================ */
.ranking-header {
  display: flex;
  align-items: center;
  gap: var(--space-0);
}

.ranking-header__title {
  font-family: var(--font-family-sans);
  font-size: var(--typography-heading-size-large);
  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;
}

.ranking-header__period {
  font-family: var(--font-family-sans);
  font-size: var(--typography-heading-size-small);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-heading);
  letter-spacing: var(--letter-spacing-heading-small);
  color: var(--color-neutral-gray-600);
  margin: 0;
}

.ranking-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-0);
  padding-top: var(--space-1200);
}

/* トップ3 */
.ranking-top3 {
  display: flex;
  flex-direction: column;
  gap: var(--space-0);
  padding: var(--space-400) var(--space-600) 0;
  margin-bottom: var(--space-0);
}

.ranking-top3__item {
  display: flex;
  gap: var(--space-400);
  align-items: flex-start;
  padding-bottom: var(--space-1200);
}

.ranking-top3__crown {
  position: relative;
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ranking-top3__crown-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 0;
}

.ranking-top3__crown-number {
  position: relative;
  z-index: 1;
  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-white);
  text-align: center;
  padding: var(--space-200) 0 0;
}

.ranking-top3__card-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-200);
  min-width: 0;
  width: 100%;
}

.ranking-top3__card.card {
  width: 100%;
  min-height: 80px;
}

.ranking-top3__card .card__content {
  flex-direction: row-reverse;
  align-items: center;
  padding:var(--space-400);
  gap: var(--space-400);
}

.ranking-top3__card .card__title {
  flex: 1;
}

.ranking-top3__card .card__bottom-group {
  flex-shrink: 0;
  width: auto;
  justify-content: flex-end;
}

.ranking-top3__description {
  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;
}

/* 4位以降 */
.ranking-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1200) var(--space-800);
  padding: var(--space-0) var(--space-600);
  width: 100%;
  max-width: 100%;
}

.ranking-item {
  display: flex;
  gap: var(--space-300);
  align-items: flex-start;
  width: 100%;
  max-width: calc(50% - var(--space-400));
}

.ranking-item__badge {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  background-color: var(--color-brand-orange-600);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ranking-item__badge-number {
  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-white);
  text-align: center;
  background-color: var(--color-brand-orange-600);
  border-radius: var(--radius-400);
}

.ranking-item__card-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-100);
  min-width: 0;
  width: 100%;
}

.ranking-item__card.card {
  width: 100%;
  max-width: 100%;
}

.ranking-item__description {
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 960px) {
  .ranking-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-0);
  }

  .ranking-header__title {
    font-size: var(--typography-heading-size-medium);
  }

  .ranking-header__period {
    font-size: var(--typography-body-size-large);
  }

  .ranking-top3 {
    padding: var(--space-400) 0 0;
  }

  .ranking-top3__item {
    flex-direction: column;
    gap: var(--space-400);
  }

  .ranking-top3__crown {
    align-self: flex-start;
    width: 48px;
    height: 48px;
  }

  .ranking-grid {
    gap: var(--space-800);
    padding: var(--space-0);
  }

  .ranking-item {
    flex-direction: column;
    min-width: 333px;
    max-width: 100%;
  }

  .ranking-item__badge {
    align-self: flex-start;
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 750px) {
  .ranking-item {
    width: 100%;
    min-width: 0;
  }
}