/*######################################################################

    base CSS

************************************************************************/

*,
*::before,
*::after {
  box-sizing: border-box;
  min-inline-size: 0;
}

:root {
  --font-size-body: 16px;
  --font-size-small: 14px;
  --font-size-section: 24px;
  --font-size-title: 32px;
  --font-size-question: 18px;
  --font-size-note: 13px;
  --color-text: #1f2328;
  --color-muted: #5e6670;
  --color-background: #ffffff;
  --color-subtle: #f3f5f7;
  --color-line: #d5dbe2;
  --color-accent: #2856c5;
  --color-accent-light: #e8efff;
  --color-accent-dark: #173c95;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

body {
  color: var(--color-text);
  font-size: var(--font-size-body);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  line-height: 1.7;
  background-color: var(--color-background);
  overflow-x: clip;
  overflow-wrap: anywhere;
  word-break: normal;
  line-break: strict;
}

@media not all and (min-width: 768px){
  body {
    font-size: 14px;
  }
}

:where(ul, ol) {
  list-style: none;
  list-style-type: "";
  padding: unset;
  margin: 0;
}

h1,
h2,
h3,
h4,
button,
input,
label {
  line-height: 1.4;
}

img,
picture {
  display: block;
  max-width: 100%;
  height: auto;
}

:where(:any-link, button, [type="button"], [type="reset"], [type="submit"], label[for], select, summary, [role="tab"], [role="button"]) {
  cursor: pointer;
}

:where(button, [type="button"], [type="reset"], [type="submit"]) {
  touch-action: manipulation;
}

legend,
fieldset {
  all: unset;
}

input,
button,
textarea,
select {
  font: inherit;
}

:target {
  scroll-margin-block: 88px;
}

:focus:not(:focus-visible) {
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  ::before,
  ::after,
  ::backdrop {
    background-attachment: scroll !important;
    transition-delay: 0s !important;
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}

a {
  color: var(--color-text);
  text-decoration: underline;
}

@media (any-hover: hover) {
  a:hover {
    color: var(--color-accent-dark);
  }
}

a:focus-visible {
  color: var(--color-accent-dark);
}

.progress {
  position: fixed;
  z-index: 10;
  inset-block-start: 0;
  inset-inline: 0;
  background-color: var(--color-background);
}

.progress__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 960px;
  margin-inline: auto;
  padding: 12px 16px 8px;
}

.progress__label,
.progress__count {
  font-size: var(--font-size-small);
  font-weight: 700;
}

.progress__count {
  color: var(--color-accent-dark);
}

.progress__track {
  display: block;
  background-color: var(--color-subtle);
}

.progress__fill {
  display: block;
  width: 0;
  font-size: 0;
  border-block: 2px solid var(--color-accent);
  background-color: var(--color-accent);
  transition: width 0.2s ease;
}

.form-header {
  padding: 136px 0 56px;
}

.form-header__inner,
.form-main__inner,
.section-inner {
  max-width: 960px;
  margin-inline: auto;
  padding-inline: 16px;
}

.page-title {
  margin-bottom: 32px;
  font-size: var(--font-size-title);
  font-weight: 800;
}

.form-header__lead {
  color: var(--color-muted);
}

.form-header__lead p:not(:last-child) {
  margin-bottom: 16px;
}

.form-section {
  padding: 64px 0;
  border-bottom: 1px solid var(--color-line);
}

.section-heading {
  display: flex;
  align-items: baseline;
  margin-bottom: 40px;
}

.section-heading__index {
  flex: 0 0 auto;
  margin-inline-end: 16px;
  color: var(--color-accent);
  font-size: var(--font-size-small);
  font-weight: 800;
}

.section-title {
  font-size: var(--font-size-section);
  font-weight: 800;
}

.question:not(:last-child) {
  margin-bottom: 56px;
}

.question {
  display: block;
}

.question__heading {
  display: block;
  margin-bottom: 16px;
}

.question__label {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  font-size: var(--font-size-question);
  font-weight: 700;
}

legend .question__label {
  margin-bottom: 8px;
}

.question__badge {
  display: inline-block;
  margin-inline-start: 8px;
  padding: 2px 8px;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  color: var(--color-muted);
  font-size: var(--font-size-note);
  font-weight: 700;
  white-space: nowrap;
}

.question__badge--required {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
}

.question__hint {
  display: block;
  color: var(--color-muted);
  font-size: var(--font-size-small);
  font-weight: 400;
}

.question__description {
  margin-bottom: 20px;
  color: var(--color-muted);
  font-size: var(--font-size-small);
}

.question input[type="text"],
.question input[type="date"],
.question textarea,
.other-answer input {
  display: block;
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  color: var(--color-text);
  background-color: var(--color-background);
}

.question input[type="text"],
.question input[type="date"],
.question textarea {
  margin-bottom: 16px;
}

.question textarea {
  resize: vertical;
}

.question input[type="text"]:focus-visible,
.question input[type="date"]:focus-visible,
.question textarea:focus-visible,
.other-answer input:focus-visible {
  border-color: var(--color-accent);
  outline: 3px solid var(--color-accent-light);
  outline-offset: 2px;
}

.choice-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-bottom: 16px;
}

.choice {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  background-color: var(--color-background);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.choice input {
  flex: 0 0 auto;
  margin-inline-end: 12px;
  accent-color: #2856c5;
}

.choice:focus-within {
  border-color: var(--color-accent);
  outline: 3px solid var(--color-accent-light);
  outline-offset: 2px;
}

.choice-list--compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.other-answer {
  margin-bottom: 16px;
  padding: 16px;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  background-color: var(--color-subtle);
}

.other-answer__label {
  display: block;
  margin-bottom: 8px;
  font-size: var(--font-size-small);
  font-weight: 700;
}

.question__error,
.question__limit {
  color: var(--color-accent-dark);
  font-size: var(--font-size-small);
  font-weight: 700;
}

.question__error:not([hidden]) {
  margin-bottom: 16px;
}

.question.is-invalid {
  padding: 16px;
  border: 2px solid var(--color-accent);
  border-radius: 4px;
  background-color: var(--color-accent-light);
}

.question.is-invalid .question__error,
.question__limit:not([hidden]) {
  display: block;
}

.question__limit {
  padding: 12px 16px;
  border: 1px solid var(--color-accent);
  border-radius: 4px;
  background-color: var(--color-accent-light);
}

.logo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

/* 569px 以上で2列。568px 以下は1列のまま */
@media (min-width: 569px){
  .logo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 769px 以上で3列。これが最大列数 */
@media (min-width: 769px){
  .logo-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.logo-card {
  position: relative;
  display: block;
  border: 2px solid var(--color-line);
  border-radius: 6px;
  background-color: var(--color-subtle);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.logo-card.is-selected {
  border-color: var(--color-accent);
  background-color: var(--color-accent-light);
}

.logo-card:focus-within {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.logo-card__input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.logo-card__body {
  display: block;
  padding: 8px;
}

.logo-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.logo-card__number {
  display: inline-block;
  padding: 4px 8px;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  color: var(--color-muted);
  font-size: var(--font-size-note);
  font-weight: 800;
  background-color: var(--color-background);
}

.logo-card__image {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
  padding: 12px;
  overflow: hidden;
  border-radius: 4px;
  background-color: var(--color-background);
}

.logo-card__image > img {
  width: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.logo-card__check {
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  width: 32px;
  height: 32px;
  margin-inline-end: 12px;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  color: transparent;
  font-size: 18px;
  font-weight: 800;
  background-color: var(--color-background);
}

.logo-card.is-selected .logo-card__check {
  border-color: var(--color-accent);
  color: #ffffff;
  background-color: var(--color-accent);
}

.question__supplement .question__label {
  margin-bottom: 16px;
  font-size: var(--font-size-small);
}

.form-submit {
  padding: 32px 0 8px;
  text-align: center;
}

.form-submit__note {
  margin-bottom: 20px;
  color: var(--color-muted);
  font-size: var(--font-size-small);
}

.form-submit__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 240px;
  padding: 16px 24px;
  border: 2px solid var(--color-accent);
  border-radius: 4px;
  color: #ffffff;
  font-weight: 800;
  background-color: var(--color-accent);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

@media (any-hover: hover) {
  .form-submit__button:hover {
    border-color: var(--color-accent-dark);
    background-color: var(--color-accent-dark);
  }
}

.form-submit__button:focus-visible {
  outline: 3px solid var(--color-accent-light);
  outline-offset: 3px;
}

.form-submit__button:disabled {
  cursor: wait;
  border-color: var(--color-muted);
  color: var(--color-background);
  background-color: var(--color-muted);
}

.form-submit__arrow {
  margin-inline-start: 16px;
  font-size: 20px;
}

.thanks-page {
  background-color: var(--color-subtle);
}

.thanks-page__main {
  padding: 96px 16px;
}

.thanks-page__inner {
  width: 100%;
  max-width: 640px;
  margin-inline: auto;
  padding: 48px 24px;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  text-align: center;
  background-color: var(--color-background);
}

.thanks-page__mark {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 24px;
  border-radius: 50%;
  color: #ffffff;
  font-size: 28px;
  font-weight: 800;
  background-color: var(--color-accent);
}

.thanks-page__title {
  margin-bottom: 24px;
  font-size: var(--font-size-title);
  font-weight: 800;
}

.form-section:last-child .question-list {
  margin-bottom: 72px;
}

.thanks-page__body p:not(:last-child) {
  margin-bottom: 16px;
}

@media not all and (min-width: 768px){
  .form-header {
    padding-top: 120px;
  }

  .form-section {
    padding-block: 48px;
  }

  .section-heading {
    margin-bottom: 32px;
  }

  .section-title,
  .thanks-page__title {
    font-size: 24px;
  }

  .page-title {
    font-size: 28px;
  }

  .question__label {
    font-size: 16px;
  }

  .question:not(:last-child) {
    margin-bottom: 48px;
  }

  .form-submit {
    padding-top: 24px;
  }

  .form-section:last-child .question-list {
    margin-bottom: 56px;
  }
}

@media (min-width: 768px){
  .choice-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media not all and (min-width: 480px){
  .section-heading__index {
    margin-inline-end: 12px;
  }

  .question__label {
    align-items: flex-start;
  }

  .choice-list--compact {
    grid-template-columns: 1fr;
  }

  .form-submit__button {
    width: 100%;
    min-width: 0;
  }

  .thanks-page__inner {
    padding: 40px 16px;
  }
}