:root {
  color-scheme: dark;
  --survey-bg: #08100e;
  --survey-panel: rgba(20, 28, 24, 0.94);
  --survey-panel-soft: rgba(255, 255, 255, 0.045);
  --survey-text: #f7ecd5;
  --survey-muted: #c9bea7;
  --survey-gold: #edc76c;
  --survey-green: #74c6a6;
  --survey-red: #ff8f82;
  --survey-line: rgba(237, 199, 108, 0.23);
  --survey-focus: #8de5ca;
  --survey-width: 920px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.survey-page {
  min-width: 280px;
  margin: 0;
  background:
    radial-gradient(circle at 12% 3%, rgba(116, 198, 166, 0.13), transparent 28rem),
    radial-gradient(circle at 88% 10%, rgba(237, 199, 108, 0.12), transparent 26rem),
    linear-gradient(180deg, #101914 0, var(--survey-bg) 42rem);
  color: var(--survey-text);
  font-family: "Microsoft YaHei UI", "Microsoft YaHei", "Yu Gothic UI", "Meiryo", system-ui, sans-serif;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--survey-text);
  color: #121712;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.survey-header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 40px));
  min-height: 82px;
  margin: 0 auto;
  border-bottom: 1px solid var(--survey-line);
}

.survey-brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 12px;
  color: var(--survey-text);
  text-decoration: none;
}

.survey-brand img {
  flex: 0 0 auto;
  border-radius: 9px;
}

.survey-brand span,
.survey-brand strong,
.survey-brand small {
  display: block;
}

.survey-brand strong {
  overflow: hidden;
  font-size: 16px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.survey-brand small {
  color: var(--survey-green);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.language-picker {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 9px;
}

.language-picker label {
  color: var(--survey-muted);
  font-size: 13px;
  font-weight: 700;
}

.language-picker select {
  min-height: 42px;
  padding: 0 34px 0 12px;
  border: 1px solid var(--survey-line);
  border-radius: 7px;
  background: #111a16;
  color: var(--survey-text);
}

.survey-main {
  width: min(var(--survey-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 70px 0 80px;
}

.survey-intro {
  margin-bottom: 34px;
}

.survey-kicker {
  margin: 0 0 10px;
  color: var(--survey-green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.survey-intro h1 {
  max-width: 760px;
  margin: 0;
  color: #fff4d8;
  font-size: clamp(36px, 7vw, 64px);
  line-height: 1.08;
}

.survey-lead {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--survey-muted);
  font-size: 18px;
}

.survey-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 22px;
}

.survey-meta span {
  padding: 5px 10px;
  border: 1px solid var(--survey-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  color: #ded2ba;
  font-size: 12px;
  font-weight: 700;
}

.survey-form {
  display: grid;
  gap: 18px;
}

#survey-content {
  display: grid;
  gap: 18px;
}

.privacy-card,
.survey-section,
.submit-card,
.success-card {
  border: 1px solid var(--survey-line);
  border-radius: 12px;
  background: var(--survey-panel);
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.18);
}

.privacy-card {
  padding: 22px 24px;
  border-color: rgba(116, 198, 166, 0.32);
  background: rgba(22, 45, 36, 0.75);
}

.privacy-card h2,
.submit-card h2,
.success-card h2 {
  margin: 0 0 7px;
  color: #fff0ca;
  font-size: 21px;
}

.privacy-card p,
.submit-card p,
.success-card p {
  margin: 0;
  color: var(--survey-muted);
}

.survey-section {
  padding: 26px;
}

.section-heading {
  margin: 0 0 5px;
  color: var(--survey-green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-title {
  margin: 0 0 22px;
  color: #fff0ca;
  font-size: 25px;
  line-height: 1.25;
}

.question-block {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.question-block + .question-block,
.conditional-panel + .question-block,
.question-block + .conditional-panel {
  margin-top: 30px;
  padding-top: 28px;
  border-top: 1px solid rgba(237, 199, 108, 0.14);
}

.question-block > legend,
.question-label {
  width: 100%;
  margin: 0 0 13px;
  padding: 0;
  color: var(--survey-text);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
}

.required-mark {
  margin-left: 4px;
  color: var(--survey-gold);
}

.optional-label,
.question-help {
  color: var(--survey-muted);
  font-size: 13px;
  font-weight: 500;
}

.question-help {
  display: block;
  margin: -6px 0 13px;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.choice-grid.compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.choice-option {
  position: relative;
  display: flex;
  align-items: flex-start;
  min-width: 0;
  min-height: 52px;
  gap: 10px;
  padding: 13px 14px;
  border: 1px solid rgba(237, 199, 108, 0.18);
  border-radius: 8px;
  background: var(--survey-panel-soft);
  color: #e9dec8;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease, transform 140ms ease;
}

.choice-option:hover {
  border-color: rgba(237, 199, 108, 0.46);
  background: rgba(237, 199, 108, 0.07);
}

.choice-option:has(input:checked),
.choice-option.is-selected {
  border-color: var(--survey-green);
  background: rgba(116, 198, 166, 0.11);
}

.choice-option input {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--survey-green);
}

.choice-option span {
  min-width: 0;
}

.scale-block {
  display: grid;
  gap: 12px;
}

.matrix-row {
  min-width: 0;
  margin: 0;
  padding: 15px;
  border: 1px solid rgba(237, 199, 108, 0.14);
  border-radius: 9px;
  background: rgba(0, 0, 0, 0.12);
}

.matrix-row legend {
  max-width: 100%;
  margin-bottom: 10px;
  padding: 0 3px;
  color: #f4e6c9;
  font-weight: 800;
}

.scale-options {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 7px;
}

.scale-options.with-unsure {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.scale-option {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 6px;
  border: 1px solid rgba(237, 199, 108, 0.15);
  border-radius: 7px;
  color: var(--survey-muted);
  font-size: 11px;
  line-height: 1.25;
  text-align: center;
  cursor: pointer;
}

.scale-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
}

.scale-option:has(input:checked),
.scale-option.is-selected {
  border-color: var(--survey-green);
  background: rgba(116, 198, 166, 0.14);
  color: #f7f0df;
}

.scale-option:has(input:focus-visible) {
  outline: 3px solid var(--survey-focus);
  outline-offset: 2px;
}

.text-field {
  display: block;
}

.text-field input,
.text-field textarea {
  display: block;
  width: 100%;
  border: 1px solid rgba(237, 199, 108, 0.25);
  border-radius: 8px;
  background: rgba(5, 11, 9, 0.82);
  color: var(--survey-text);
  resize: vertical;
}

.text-field input {
  min-height: 46px;
  padding: 0 13px;
}

.text-field textarea {
  min-height: 126px;
  padding: 12px 13px;
  line-height: 1.6;
}

.text-field textarea.large {
  min-height: 156px;
}

.field-footer {
  display: flex;
  justify-content: flex-end;
  min-height: 22px;
  margin-top: 5px;
}

.char-count {
  color: var(--survey-muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.conditional-panel {
  margin-top: 22px;
  padding: 20px;
  border: 1px solid rgba(116, 198, 166, 0.24);
  border-radius: 9px;
  background: rgba(116, 198, 166, 0.045);
}

.conditional-panel > .question-block:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.question-error {
  min-height: 0;
  margin: 9px 0 0;
  color: var(--survey-red);
  font-size: 13px;
  font-weight: 700;
}

.question-error:empty {
  display: none;
}

.has-error > legend,
.has-error > .question-label {
  color: #ffd0c9;
}

.has-error .choice-option,
.has-error .matrix-row,
.has-error input,
.has-error textarea {
  border-color: rgba(255, 143, 130, 0.68);
}

.submit-card {
  padding: 26px;
  text-align: center;
}

.submit-button,
.home-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  margin-top: 20px;
  padding: 0 25px;
  border: 1px solid rgba(255, 232, 174, 0.72);
  border-radius: 8px;
  background: linear-gradient(180deg, #f2d17b, #c8923d);
  color: #21160c;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.submit-button:disabled {
  cursor: wait;
  opacity: 0.66;
}

.button-spinner {
  display: none;
  width: 17px;
  height: 17px;
  margin-left: 10px;
  border: 2px solid rgba(33, 22, 12, 0.25);
  border-top-color: #21160c;
  border-radius: 50%;
  animation: survey-spin 700ms linear infinite;
}

.submit-button.is-loading .button-spinner {
  display: inline-block;
}

.survey-status {
  min-height: 24px;
  margin: 13px 0 0 !important;
  color: var(--survey-red) !important;
  font-size: 14px;
  font-weight: 700;
}

.survey-status.is-success {
  color: var(--survey-green) !important;
}

.success-card {
  padding: 48px 30px;
  text-align: center;
}

.success-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  margin-bottom: 18px;
  border: 1px solid rgba(116, 198, 166, 0.48);
  border-radius: 50%;
  background: rgba(116, 198, 166, 0.12);
  color: var(--survey-green);
  font-size: 30px;
  font-weight: 900;
}

.survey-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 24px;
  min-height: 104px;
  padding: 24px;
  border-top: 1px solid var(--survey-line);
  color: #a99f8e;
  text-align: center;
}

.survey-footer p {
  margin: 0;
  font-size: 12px;
}

.survey-honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 3px solid var(--survey-focus);
  outline-offset: 3px;
}

@keyframes survey-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 760px) {
  .survey-header {
    width: min(100% - 28px, 1180px);
    min-height: 74px;
  }

  .survey-brand strong {
    max-width: 230px;
    font-size: 14px;
  }

  .language-picker label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .survey-main {
    width: min(100% - 28px, var(--survey-width));
    padding: 46px 0 64px;
  }

  .survey-section,
  .submit-card {
    padding: 21px 18px;
  }

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

  .scale-options,
  .scale-options.with-unsure {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scale-option {
    justify-content: flex-start;
    min-height: 44px;
    padding: 9px 10px;
    font-size: 12px;
    text-align: left;
  }

  .scale-option input {
    position: static;
    width: 16px;
    height: 16px;
    margin: 0 8px 0 0;
    opacity: 1;
    accent-color: var(--survey-green);
  }
}

@media (max-width: 500px) {
  .survey-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
    gap: 10px;
  }

  .language-picker,
  .language-picker select {
    width: 100%;
  }

  .survey-brand strong {
    max-width: calc(100vw - 92px);
  }

  .survey-intro h1 {
    font-size: 36px;
  }

  .survey-lead {
    font-size: 16px;
  }

  .conditional-panel {
    padding: 16px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}