:root {
  --color-cta: #1571DA;
  --color-text: #333333;
  --color-muted: #666666;
  --color-soft: #F7F7F7;
  --color-panel: #F2F2F2;
  --color-line: #E2E2E2;
  --color-strong-line: #BBBBBB;
  --color-required: #E8453C;
  --color-cta-soft: #EEF4FC;
  --color-cta-line: #CFE0F5;
  --color-white: #FFFFFF;
  --content-max: 1160px;
  font-family: "Noto Sans JP", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-soft);
  font-family: "Noto Sans JP", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.wrap {
  width: min(var(--content-max), 100%);
  margin: 0 auto;
  padding: 0 40px;
}

.app-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  min-height: 188px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding-top: 32px;
  padding-bottom: 32px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--color-cta);
  font-size: 13px;
  font-weight: 700;
}

h1,
h2 {
  margin: 0;
  line-height: 1.35;
  letter-spacing: 0;
}

h1 {
  font-size: 36px;
}

h2 {
  font-size: 22px;
}

.lead {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--color-muted);
  font-size: 18px;
}

.header-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid var(--color-cta);
  color: var(--color-cta);
  text-decoration: none;
  font-weight: 700;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  padding-top: 36px;
  padding-bottom: 56px;
}

.sheet {
  display: grid;
  gap: 20px;
}

.card,
.panel-sticky {
  background: var(--color-white);
  border: 1px solid var(--color-line);
}

.card {
  padding: 28px;
}

.intro-card {
  border-top: 4px solid var(--color-cta);
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.section-number {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 34px;
  background: var(--color-cta);
  color: var(--color-white);
  border-radius: 2px;
  font-size: 16px;
  font-weight: 700;
}

.section-note {
  margin: -10px 0 16px;
  color: var(--color-muted);
  font-size: 14px;
}

.field,
.choice-group {
  display: grid;
  gap: 8px;
  margin: 0 0 18px;
}

.field:last-child,
.choice-group:last-child {
  margin-bottom: 0;
}

.field > span,
legend {
  color: var(--color-text);
  font-weight: 700;
}

small {
  color: var(--color-muted);
  font-size: 13px;
}

.req,
.opt {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  margin-left: 6px;
  padding: 1px 7px;
  border-radius: 2px;
  font-size: 12px;
  font-style: normal;
  font-weight: 700;
  vertical-align: 1px;
}

.req {
  background: var(--color-required);
  color: var(--color-white);
}

.opt {
  background: #ECECEC;
  color: #777777;
}

input[type="text"],
input[type="date"],
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid #D8D8D8;
  border-radius: 3px;
  background: var(--color-white);
  color: var(--color-text);
  padding: 10px 12px;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--color-cta-line);
  outline-offset: 2px;
}

.field-grid {
  display: grid;
  gap: 16px;
}

.field-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-grid.three {
  grid-template-columns: 2fr 1fr 1fr;
}

fieldset {
  min-width: 0;
  padding: 0;
  border: 0;
}

.choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 14px;
}

.choices.compact {
  grid-template-columns: repeat(2, minmax(0, 180px));
}

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

.choices label {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border: 1px solid var(--color-line);
  background: #FAFAFA;
  font-weight: 500;
}

input[type="radio"],
input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  accent-color: var(--color-cta);
}

.inline-note {
  margin-top: 4px;
}

.is-missing {
  border-color: var(--color-required) !important;
  background: #FFF8F7 !important;
}

.choice-group.is-missing .choices label {
  border-color: #F2B7B2;
  background: #FFF8F7;
}

.panel {
  min-width: 0;
}

.panel-sticky {
  position: sticky;
  top: 18px;
  padding: 24px;
}

.panel-copy {
  margin: 10px 0 16px;
  color: var(--color-muted);
  font-size: 14px;
}

.alert {
  margin-bottom: 14px;
  padding: 12px;
  border: 1px solid #F2B7B2;
  background: #FFF8F7;
  color: #8A2B25;
  font-size: 14px;
}

.actions {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.button {
  min-height: 44px;
  border-radius: 3px;
  border: 1px solid transparent;
  padding: 10px 14px;
  font-weight: 700;
}

.button.primary {
  background: var(--color-cta);
  color: var(--color-white);
}

.button.secondary {
  background: var(--color-white);
  color: var(--color-cta);
  border-color: var(--color-cta);
}

.button.text {
  background: var(--color-white);
  color: var(--color-text);
  border-color: var(--color-strong-line);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

#prompt-output {
  min-height: 480px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  line-height: 1.65;
  white-space: pre;
}

.output-meta {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  color: var(--color-muted);
  font-size: 13px;
}

.output-meta a {
  color: var(--color-cta);
  font-weight: 700;
  text-decoration: none;
}

.status {
  min-height: 24px;
  margin: 8px 0 0;
  color: var(--color-cta);
  font-size: 14px;
  font-weight: 700;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .panel-sticky {
    position: static;
  }
}

@media (max-width: 720px) {
  .wrap {
    padding: 0 18px;
  }

  .header-inner {
    min-height: 0;
    align-items: flex-start;
    flex-direction: column;
  }

  h1 {
    font-size: 28px;
  }

  .lead {
    font-size: 16px;
  }

  .layout {
    padding-top: 22px;
  }

  .card,
  .panel-sticky {
    padding: 20px;
  }

  .field-grid.two,
  .field-grid.three,
  .choices,
  .choices.compact,
  .pages .choices {
    grid-template-columns: 1fr;
  }

  .output-meta {
    flex-direction: column;
  }
}

@media print {
  body {
    background: var(--color-white);
  }

  .app-header,
  .panel {
    display: none;
  }

  .layout {
    display: block;
    padding: 0;
  }

  .wrap {
    padding: 0;
  }

  .card {
    break-inside: avoid;
    border-color: var(--color-line);
    margin-bottom: 16px;
  }
}