/* ============================================
   フォーム BEM（c-*）— rule-form-ui デザイントークン準拠
   ============================================ */

:root {
  /* ブランド配色（docs/design-guidelines-report-template.md / report_template_v3.html 準拠） */
  --color-primary: #fa0a82;
  --color-primary-dark: #d4086e;
  --color-secondary: #38a1db;
  --color-secondary-dark: #2d87c3;
  --color-on-dark: #ffffff;
  --color-bg: #ffffff;

  --form-gap: 2rem;
  --field-padding: 10px 12px;
  --field-radius: 8px;

  --c-border-default: rgba(17, 17, 17, 0.9);
  --c-border-hover: rgba(250, 10, 130, 0.35);
  --c-border-focus: var(--color-primary);
  --c-border-error: #fb7185;
  --c-border-selected: var(--color-primary);

  --c-bg-primary: var(--color-bg);
  --c-bg-surface: rgba(56, 161, 219, 0.1);
  --c-bg-selected: rgba(250, 10, 130, 0.1);
  --c-bg-error: #fff1f2;
  --c-bg-dropzone: #fafafa;

  --c-text-primary: #101010;
  --c-text-secondary: #252525;
  --c-text-hint: #161616;
  --c-text-error: #e11d48;
  --c-text-selected: #c80a64;
  --c-text-placeholder: #8a8a8a;

  --c-focus-ring: 0 0 0 3px rgba(250, 10, 130, 0.28);
  --c-focus-ring-error: 0 0 0 3px rgba(244, 63, 94, 0.22);

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.2s cubic-bezier(0.4, 0, 0.2, 1);

  --form-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Hiragino Sans', 'Noto Sans JP', sans-serif;
  --form-page-bg: #f6f6f6;
  --form-card-shadow: 0 2px 16px rgba(0, 0, 0, 0.1);
  --form-brand: var(--color-primary);
  --form-brand-hover: var(--color-primary-dark);
  --form-success: #22c55e;
  --form-success-bg: #f0fdf4;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: linear-gradient(
    160deg,
    rgba(56, 161, 219, 0.16) 0%,
    var(--form-page-bg) 48%,
    rgba(250, 10, 130, 0.12) 100%
  );
}

body {
  font-family: var(--form-font);
  color: var(--c-text-primary);
  /* background-color: var(--form-page-bg); */
  line-height: 1.7;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

.form-page {
  max-width: 640px;
  margin: 2rem auto;
  padding: 0 1rem;
}

/* --- Form container（上：ブルー → 下：ピンク のグラデ枠） --- */
.c-form {
  border-radius: var(--field-radius);
  box-shadow: var(--form-card-shadow);
  border: 2px solid transparent;
  background:
    linear-gradient(var(--c-bg-primary), var(--c-bg-primary)) padding-box,
    linear-gradient(180deg, var(--color-secondary) 0%, var(--color-primary) 100%) border-box;
}

.c-form.shindan-form {
  text-align: left;
}

/* --- Alert --- */
.c-alert {
  padding: 0.8rem 1rem;
  border-radius: var(--field-radius);
  margin-bottom: var(--form-gap);
  font-size: 0.9rem;
}

.c-alert__text {
  margin: 0;
}

.c-alert__text + .c-alert__text {
  margin-top: 0.35rem;
}

.c-alert--error {
  background-color: var(--c-bg-error);
  color: var(--c-text-error);
  border: 1px solid rgba(244, 63, 94, 0.2);
}

/* --- Field --- */
.c-field {
  margin-bottom: var(--form-gap);
}

.c-field__label {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.45rem;
  color: var(--color-primary-dark);
}

p.c-field__label {
  margin-top: 0;
}

.c-field__required {
  color: var(--c-text-error);
  font-weight: 700;
  margin-left: 0.25rem;
  font-size: 0.85em;
}

.c-field__input,
.c-field__textarea,
.c-field__select {
  display: block;
  width: 100%;
  padding: var(--field-padding);
  font-size: 1rem;
  min-height: 44px;
  font-family: inherit;
  color: var(--c-text-primary);
  background-color: var(--c-bg-primary);
  border: 1px solid var(--c-border-default);
  border-radius: var(--field-radius);
  transition:
    border-color var(--transition-normal),
    box-shadow var(--transition-normal);
  appearance: none;
}

.c-field__textarea {
  min-height: 120px;
  resize: vertical;
}

.c-field__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23444444' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.8rem center;
  padding-right: 2.5rem;
}

.c-field__input::placeholder,
.c-field__textarea::placeholder {
  color: var(--c-text-placeholder);
}

.c-field__input:focus-visible,
.c-field__textarea:focus-visible,
.c-field__select:focus-visible {
  outline: none;
  border-color: var(--c-border-focus);
  box-shadow: var(--c-focus-ring);
}

.c-field--error .c-field__input,
.c-field--error .c-field__textarea,
.c-field--error .c-field__select {
  border-color: var(--c-border-error);
}

.c-field--error .c-field__input:focus-visible,
.c-field--error .c-field__textarea:focus-visible,
.c-field--error .c-field__select:focus-visible {
  box-shadow: var(--c-focus-ring-error);
}

.c-field__error {
  /* background: var(--c-text-error); */
  background: #e11d4840;
  font-size: 0.85rem;
  margin: 0.35rem 0 0;
  border-radius: 8px;
  padding: 0.5em 0.75em;
}

.c-field--row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 480px) {
  .c-field--row {
    grid-template-columns: 1fr;
  }
}

/* --- Radio group (card) --- */
.c-radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.c-radio-group__item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--c-border-default);
  border-radius: var(--field-radius);
  background: var(--c-bg-primary);
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.c-radio-group__item:has(:checked) {
  border-color: var(--c-border-selected);
  background: var(--c-bg-selected);
}

.c-radio-group__item:has(:focus-visible) {
  border-color: var(--c-border-focus);
  box-shadow: var(--c-focus-ring);
}

.c-radio-group__input {
  width: 1.15rem;
  height: 1.15rem;
  min-width: 1.15rem;
  margin-top: 0.2rem;
  accent-color: var(--form-brand);
  cursor: pointer;
}

.c-radio-group__label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-text-primary);
}

.c-radio-group__desc {
  display: block;
  font-size: 0.8rem;
  color: var(--c-text-hint);
  margin-top: 0.2rem;
}

/* --- Checkbox group --- */
.c-checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.c-checkbox-group__item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--c-border-default);
  border-radius: var(--field-radius);
  background: var(--c-bg-primary);
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.c-checkbox-group__item:has(:checked) {
  border-color: var(--c-border-selected);
  background: var(--c-bg-selected);
}

.c-checkbox-group__item:has(:focus-visible) {
  border-color: var(--c-border-focus);
  box-shadow: var(--c-focus-ring);
}

.c-checkbox-group__input {
  width: 1.15rem;
  height: 1.15rem;
  min-width: 1.15rem;
  margin-top: 0.2rem;
  accent-color: var(--form-brand);
  cursor: pointer;
}

.c-checkbox-group__label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-text-primary);
}

.c-checkbox-group__desc {
  display: block;
  font-size: 0.8rem;
  color: var(--c-text-hint);
  margin-top: 0.2rem;
}

/* --- Scale --- */
.c-scale {
  margin-top: 0.35rem;
  padding: 0 5px;
}

.c-scale__track {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: space-between;
}

.c-scale__option {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
  cursor: pointer;
}

.c-scale__input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: pointer;
  z-index: 1;
}

.c-scale__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-width: 36px;
  min-height: 44px;
  padding: 0 4px;
  border: 1px solid var(--c-border-default);
  border-radius: var(--field-radius);
  font-size: 1em;
  font-weight: 500;
  color: var(--c-text-secondary);
  background: var(--c-bg-primary);
  transition:
    border-color var(--transition-normal),
    background var(--transition-normal),
    color var(--transition-normal),
    box-shadow var(--transition-normal);
}

.c-scale__option:hover .c-scale__number {
  border-color: var(--c-border-hover);
  background: var(--c-bg-surface);
}

.c-scale__input:focus-visible + .c-scale__number {
  border-color: var(--c-border-focus);
  box-shadow: var(--c-focus-ring);
}

.c-scale__input:checked + .c-scale__number {
  border-color: var(--c-border-selected);
  background: var(--c-bg-selected);
  color: var(--c-text-selected);
  font-weight: 700;
}

.c-scale__labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  gap: 0.5rem;
}

.c-scale__label {
  font-size: 0.875rem;
  color: var(--c-text-hint);
  line-height: 1.4;
}

@media (max-width: 480px) {
  .c-scale__track {
    gap: 4px;
  }

  .c-scale__number {
    min-width: 28px;
    min-height: 40px;
    font-size: 0.75rem;
  }
}

/* --- Matrix --- */
.c-matrix {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 0.35rem;
}

.c-matrix__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.c-matrix__header {
  padding: 8px 12px;
  font-weight: 500;
  font-size: 0.75rem;
  color: var(--c-text-secondary);
  text-align: center;
  border-bottom: 1px solid var(--c-border-default);
  white-space: nowrap;
}

.c-matrix__header:first-child {
  text-align: left;
  min-width: 120px;
}

.c-matrix__row-label {
  padding: 12px 12px 12px 0;
  font-weight: 500;
  color: var(--c-text-primary);
  white-space: nowrap;
  border-bottom: 1px solid var(--c-border-default);
  text-align: left;
}

.c-matrix__cell {
  padding: 12px;
  text-align: center;
  border-bottom: 1px solid var(--c-border-default);
}

.c-matrix__input {
  width: 20px;
  height: 20px;
  min-width: 20px;
  min-height: 20px;
  accent-color: var(--form-brand);
  cursor: pointer;
}

.c-matrix__table tbody tr:hover .c-matrix__row-label,
.c-matrix__table tbody tr:hover .c-matrix__cell {
  background: var(--c-bg-surface);
}

.c-matrix__table tbody tr:last-child .c-matrix__row-label,
.c-matrix__table tbody tr:last-child .c-matrix__cell {
  border-bottom: none;
}

@media (max-width: 480px) {
  .c-matrix__table {
    min-width: 400px;
  }
}

/* --- File upload --- */
.c-file-upload {
  margin-top: 0.35rem;
}

.c-file-upload__label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 2rem 1rem;
  border: 1.5px dashed var(--c-border-default);
  border-radius: var(--field-radius);
  background: var(--c-bg-dropzone);
  cursor: pointer;
  transition:
    border-color var(--transition-normal),
    background var(--transition-normal),
    box-shadow var(--transition-normal);
}

.c-file-upload__label:hover {
  border-color: var(--c-border-focus);
  background: var(--c-bg-selected);
}

.c-file-upload__label:has(:focus-visible) {
  border-color: var(--c-border-focus);
  box-shadow: var(--c-focus-ring);
}

.c-file-upload__input {
  font-size: 0.875rem;
  color: var(--c-text-secondary);
  cursor: pointer;
  max-width: 100%;
}

.c-file-upload__text {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-text-primary);
}

.c-file-upload__meta {
  font-size: 0.75rem;
  color: var(--c-text-hint);
  text-align: center;
}

/* --- Form actions --- */
.c-form-actions {
  margin-top: 2rem;
  text-align: center;
}

.c-form-actions__primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.75rem 2.5rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--color-on-dark);
  text-decoration: none;
  border: none;
  border-radius: var(--field-radius);
  background-color: var(--color-primary);
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.12);
  cursor: pointer;
  transition:
    background-color var(--transition-normal),
    transform 0.1s,
    box-shadow var(--transition-fast);
}

.c-form-actions__primary:hover {
  background-color: var(--color-primary-dark);
}

.c-form-actions__primary:active {
  transform: translateY(1px);
}

/* --- Complete / Error pages --- */
.c-form-complete {
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--c-bg-primary);
  border-radius: var(--field-radius);
  box-shadow: var(--form-card-shadow);
}

.c-form-complete__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--form-success-bg);
  color: var(--form-success);
  font-size: 2rem;
  margin-bottom: 1rem;
}

.c-form-complete__title {
  font-size: 1.5rem;
  margin: 0 0 0.8rem;
  color: var(--c-text-primary);
}

.c-form-complete__message {
  color: var(--c-text-secondary);
  font-size: 1rem;
  margin: 0;
  line-height: 1.8;
}

.c-form-complete__summary {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--c-border-default);
  text-align: left;
}

.c-form-complete__summary-title {
  font-size: 1.05rem;
  margin: 0 0 1rem;
  color: var(--c-text-primary);
  font-weight: 600;
}

.c-form-complete__summary-list {
  margin: 0;
}

.c-form-complete__summary-item {
  margin-bottom: 2.5rem;
}

.c-form-complete__summary-item:last-child {
  margin-bottom: 0;
}

.c-form-complete__summary-label {
  margin: 0 0 0.5rem;
  padding-left: 0.65rem;
  border-left: 3px solid var(--color-secondary);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-text-primary);
  line-height: 1.5;
}

.c-form-complete__summary-value {
  margin: 0;
  padding: 0.65rem 0.85rem;
  border-radius: var(--field-radius);
  background-color: var(--c-bg-surface);
  font-size: 0.95rem;
  color: var(--c-text-secondary);
  word-break: break-word;
  line-height: 1.65;
}

.c-form-error-page {
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--c-bg-primary);
  border-radius: var(--field-radius);
  box-shadow: var(--form-card-shadow);
}

.c-form-error-page__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--c-bg-error);
  color: var(--c-text-error);
  font-size: 2rem;
  margin-bottom: 1rem;
}

.c-form-error-page__title {
  font-size: 1.5rem;
  margin: 0 0 0.8rem;
  color: var(--c-text-primary);
}

.c-form-error-page__message {
  color: var(--c-text-secondary);
  font-size: 1rem;
  margin: 0 0 1.5rem;
}

.c-form-error-page__link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.c-form-error-page__link:hover {
  text-decoration: underline;
}

/* --- Shindan (diagnostic)：セカンダリカラーのヘッダー --- */
.shindan-header {
  width: 100%;
  background: linear-gradient(90deg, var(--color-secondary) 0%, #ffffff 22%, #ffffff 78%, var(--color-primary) 100%);
  margin: 0;
  box-shadow: 0 1px 0 rgba(14, 14, 14, 0.22);
}

.shindan-header-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.75rem, 2.5vw, 1.5rem);
  padding: 1em 1rem;
}

.shindan-header-logo {
  display: block;
}

.shindan-header-logo__img {
  display: block;
  height: auto;
  max-width: 100%;
  width: 230px;
}

.shindan-header-title {
  margin: 0;
  padding: 0;
  font-size: clamp(1.3rem, calc(32 / 768 * 100vw), 2rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  flex: none;
  color: var(--c-text-primary);
}

.shindan-intro {
  /* margin-bottom: 2rem; */
  text-align: left;
}

.shindan-intro-title {
  font-size: 1.35rem;
  margin: 0 0 0.75rem;
  color: var(--c-text-primary);
  text-align: center;
}

.shindan-report-preview {
  margin: 0 auto 1.25rem;
  width: 100%;
  padding: 0;
  border-radius: var(--field-radius) var(--field-radius) 0 0;
  box-shadow: var(--form-card-shadow);
  overflow: hidden;
  border: 1px solid rgba(17, 17, 17, 0.08);
  background: var(--c-bg-primary);
}

.shindan-report-preview__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 600 / 280;
  object-fit: cover;
  object-position: top center;
}

.shindan-report-preview__caption {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0;
  padding: 0.75rem 1rem 1rem;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--c-text-secondary);
  text-align: center;
}

.shindan-report-preview__download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 0.75rem;
  padding: 0.65rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  line-height: 1.4;
  color: var(--color-on-dark);
  text-decoration: none;
  border: 2px solid var(--color-primary);
  border-radius: 9999px;
  background-color: var(--color-primary);
  transition:
    color var(--transition-normal),
    background-color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-fast);
}

.shindan-report-preview__download:hover {
  color: var(--color-primary);
  background-color: var(--color-on-dark);
  border-color: var(--color-primary);
}

.shindan-report-preview__download:focus-visible {
  outline: none;
  box-shadow: var(--c-focus-ring);
}

.shindan-report-preview__download:active {
  transform: translateY(1px);
}

.shindan-intro-lead {
  margin: 0;
  font-size: 0.85rem;
  padding: 0 1.5rem 2rem 1.5rem;
  color: var(--c-text-secondary);
  line-height: 1.75;
  padding-bottom: 1em;
  border-bottom: 1px solid #ccc;
}

/*
 * 診断ステップ（横スクロール＋スナップ、前へ・次へ・ドットは JS + 実ボタン）
 */
.c-shindan-steps {
  display: grid;
  grid-template-areas:
    'stepItem stepItem stepItem'
    'stepLeft stepMarkers stepRight';
  grid-template-columns: minmax(0, auto) 1fr minmax(0, auto);
  gap: 1.25rem 0.35rem;
  align-items: center;
  width: 100%;
  min-width: 0;
  margin-bottom: 0;
  padding: 2rem 1rem;
}

.c-shindan-steps__track {
  grid-area: stepItem;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 100%;
  align-items: start;
  gap: 0;
  width: 100%;
  min-width: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scroll-snap-stop: always;
  scroll-behavior: smooth;
  scrollbar-width: none;
}

.c-shindan-steps__track::-webkit-scrollbar {
  display: none;
}

.c-shindan-steps__track:focus {
  outline: none;
}

.c-shindan-steps__track:focus-visible {
  box-shadow: var(--c-focus-ring);
  border-radius: var(--field-radius);
}

.c-shindan-steps__panel {
  scroll-snap-align: start;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}

.c-shindan-steps__btn {
  box-sizing: border-box;
  margin: 0;
  font-family: inherit;
  width: auto;
  min-width: 2.75rem;
  min-height: 2.75rem;
  height: auto;
  padding: 0 0.65rem;
  border-radius: 9999px;
  border: 1px solid var(--c-border-default);
  background-color: var(--c-bg-surface);
  color: var(--c-text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast);
}

.c-shindan-steps__btn--prev:hover:not(:disabled):not(.c-shindan-steps__btn--edge-hidden) {
  border-color: var(--c-border-hover);
  background-color: var(--c-bg-selected);
}

.c-shindan-steps__btn:focus-visible {
  outline: none;
  box-shadow: var(--c-focus-ring);
}

.c-shindan-steps__btn--edge-hidden {
  visibility: hidden;
  pointer-events: none;
  width: 0;
  min-width: 0;
  height: 0;
  margin: 0;
  padding: 0;
  border-width: 0;
  overflow: hidden;
  opacity: 0;
  cursor: default;
}

.c-shindan-steps__btn--prev {
  grid-area: stepLeft;
  justify-self: end;
  min-width: 4.25rem;
}

.c-shindan-steps__btn--next {
  grid-area: stepRight;
  justify-self: start;
  min-width: 4.25rem;
  min-height: 3rem;
  padding: 0 0.85rem;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  background: linear-gradient(145deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-on-dark);
  box-shadow: 0 2px 10px rgba(250, 10, 130, 0.35);
}

.c-shindan-steps__btn--next:hover:not(:disabled):not(.c-shindan-steps__btn--edge-hidden) {
  background: linear-gradient(145deg, var(--color-primary-dark) 0%, #b0075a 100%);
  border-color: transparent;
  color: var(--color-on-dark);
}

.c-shindan-steps__btn--next:focus-visible {
  outline: none;
  box-shadow:
    var(--c-focus-ring),
    0 2px 10px rgba(250, 10, 130, 0.35);
}

.c-shindan-steps__markers {
  grid-area: stepMarkers;
  justify-self: center;
  align-self: center;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.45rem;
  min-width: 0;
}

.c-shindan-steps__marker {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  width: 0.5rem;
  height: 0.5rem;
  min-width: 0.5rem;
  min-height: 0.5rem;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.06);
  background-color: var(--c-border-default);
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast);
  font-size: 0;
  line-height: 0;
  color: transparent;
}

.c-shindan-steps__marker:hover,
.c-shindan-steps__marker:focus-visible {
  border-color: var(--c-border-hover);
  outline: none;
  box-shadow: var(--c-focus-ring);
}

.c-shindan-steps__marker.is-active {
  background-color: var(--color-primary);
  border-color: var(--c-border-hover);
}

.shindan-section {
  margin-bottom: 2.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--c-border-default);
  text-align: left;
}

.shindan-section:last-of-type {
  border-bottom: none;
}

.shindan-section-title {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  color: var(--color-primary-dark);
}

.shindan-section-lead {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--c-text-secondary);
  line-height: 1.65;
}

.shindan-contact .shindan-section-title {
  margin-top: 0.25rem;
}

.shindan-section-fields .c-field:last-child {
  margin-bottom: 0;
}

.c-shindan-steps__panel .shindan-section {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.c-shindan-steps__submit {
  margin-top: 1.75rem;
}

/* --- Responsive --- */
@media (max-width: 480px) {
  .form-page {
    margin: 1rem auto;
  }

  .c-form {
    /* padding: 1.25rem; */
  }

  .c-form-actions__primary {
    width: 100%;
  }

  /* .shindan-header {
    padding: 1rem;
  } */

  .c-shindan-steps__btn--prev {
    min-width: 3.85rem;
    min-height: 2.65rem;
    padding: 0 0.5rem;
    font-size: 0.8rem;
  }

  .c-shindan-steps__btn--next {
    min-width: 3.85rem;
    min-height: 2.85rem;
    padding: 0 0.65rem;
    font-size: 0.88rem;
  }
}