:root {
  --accent: #0a7b78;
  --accent-dark: #0d5d5a;
  --accent-soft: #e7f5f3;
  --accent-line: #c8e4df;
  --text: #21323a;
  --muted: #5d6c74;
  --line: #d8e2e6;
  --bg-top: #f8fbfc;
  --bg-bottom: #edf4f5;
  --card: rgba(255, 255, 255, 0.98);
  --warn: #9d5b00;
  --warn-soft: #fff6e7;
  --warn-line: #efcf91;
  --must: #0d6b68;
  --wish: #4d7081;
  --soft: #84929a;
  --danger: #8e3f33;
  --danger-soft: #fff3f0;
  --danger-line: #efc3b7;
  --shadow: 0 14px 28px rgba(25, 44, 53, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(10, 123, 120, 0.08), transparent 30%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
  line-height: 1.7;
}

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

button {
  cursor: pointer;
}

a {
  color: var(--accent);
}

h1,
h2,
h3,
p,
ol,
ul,
pre {
  margin: 0;
}

.page-shell {
  width: min(1180px, calc(100% - 24px));
  margin: 0 auto;
  padding: 20px 0 40px;
}

.back-link {
  display: inline-flex;
  margin-bottom: 16px;
  text-decoration: none;
  font-weight: 700;
}

.back-link:hover,
.back-link:focus-visible {
  text-decoration: underline;
}

.card,
.card-sub {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero,
.preset-bar,
.progress,
.main-panel,
.side-panel {
  padding: 24px;
}

.hero,
.preset-bar,
.progress {
  margin-bottom: 18px;
}

.eyebrow,
.tag,
.mini-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  font-weight: 700;
}

.eyebrow {
  padding: 6px 12px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.82rem;
}

h1 {
  margin-top: 14px;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1.35;
}

h2 {
  font-size: 1.15rem;
}

h3 {
  font-size: 1rem;
}

.hero-text,
.section-head p,
.support-text,
.progress-caption,
.progress-step-name,
.output-text,
.priority-order-head p,
.field-help,
.empty-text {
  color: var(--muted);
}

.hero-notes {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.note-card {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #f8fbfc;
}

.note-card-warning {
  border-color: var(--warn-line);
  background: var(--warn-soft);
  color: var(--warn);
}

.preset-bar,
.progress-top,
.output-head,
.priority-order-item,
.priority-order-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.preset-bar {
  flex-wrap: wrap;
}

.preset-actions,
.chip-list,
.tag-list,
.tag-groups {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.step-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  list-style: none;
  padding: 0;
  margin-top: 16px;
}

.step-item {
  padding: 12px 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f8fbfc;
  text-align: center;
  font-size: 0.88rem;
}

.step-item.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 700;
}

.step-item.is-done {
  background: #f3fbf8;
  border-color: #c9dfdb;
}

.progress-bar {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: #edf3f4;
  overflow: hidden;
  margin-top: 14px;
}

.progress-fill {
  height: 100%;
  width: 20%;
  background: linear-gradient(90deg, var(--accent), #11a09a);
  border-radius: inherit;
  transition: width 0.2s ease;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
}

.main-panel {
  min-width: 0;
}

.side-panel {
  align-self: start;
  position: sticky;
  top: 16px;
}

.step-panel {
  display: grid;
  gap: 18px;
}

.section-head {
  display: grid;
  gap: 6px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  font-weight: 700;
  font-size: 0.96rem;
}

.required-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--warn-soft);
  color: var(--warn);
  font-size: 0.72rem;
  vertical-align: middle;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid #c8d5da;
  background: #fff;
  color: var(--text);
}

.field textarea {
  min-height: 118px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus,
.primary-button:focus-visible,
.secondary-button:focus-visible,
.ghost-button:focus-visible,
.preset-button:focus-visible,
.chip-button:focus-visible,
.text-button:focus-visible {
  outline: 3px solid rgba(10, 123, 120, 0.15);
  outline-offset: 1px;
  border-color: var(--accent);
}

.field-error {
  font-size: 0.82rem;
  color: var(--danger);
}

.field.is-invalid input,
.field.is-invalid select,
.field.is-invalid textarea {
  border-color: var(--danger-line);
  background: var(--danger-soft);
}

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

.preference-card {
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #fbfdfd;
}

.preference-card h3 {
  margin-bottom: 12px;
  font-size: 0.96rem;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.segmented input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segmented label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--muted);
}

.segmented input:checked + label {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.priority-builder {
  display: grid;
  gap: 18px;
}

.priority-pool,
.priority-order,
.tag-summary,
.output-card {
  padding: 18px;
}

.chip-button,
.preset-button,
.text-button,
.priority-mini-button {
  appearance: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 999px;
  font-weight: 700;
}

.preset-button,
.chip-button {
  min-height: 42px;
  padding: 8px 14px;
}

.chip-button.is-selected {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.priority-selected {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.priority-order-item {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
}

.priority-order-item strong {
  display: inline-flex;
  min-width: 1.8rem;
  color: var(--accent-dark);
}

.priority-actions {
  display: flex;
  gap: 8px;
}

.priority-mini-button {
  min-width: 38px;
  min-height: 38px;
}

.card-sub {
  box-shadow: none;
}

.summary-block {
  display: grid;
  gap: 14px;
}

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

.summary-card {
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #fbfdfd;
}

.summary-card dl {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.summary-card div {
  display: grid;
  gap: 4px;
}

.summary-card dt {
  color: var(--muted);
  font-size: 0.84rem;
}

.summary-card dd {
  margin: 0;
  font-weight: 700;
  word-break: break-word;
}

.tag {
  padding: 6px 12px;
  font-size: 0.82rem;
}

.tag.must {
  background: #e6f4f1;
  color: var(--must);
}

.tag.wish {
  background: #edf4f8;
  color: var(--wish);
}

.tag.soft {
  background: #f2f4f6;
  color: var(--soft);
}

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

.output-card-wide {
  grid-column: 1 / -1;
}

.output-head {
  margin-bottom: 10px;
}

.output-text {
  white-space: pre-wrap;
}

.json-output {
  padding: 14px;
  border-radius: 14px;
  background: #f7fafb;
  border: 1px solid var(--line);
  overflow: auto;
  font-size: 0.86rem;
  line-height: 1.6;
}

.support-block + .support-block {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.status-list {
  display: grid;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin-top: 14px;
}

.status-item {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #f9fbfc;
  font-size: 0.92rem;
}

.inline-message {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--warn-line);
  background: var(--warn-soft);
  color: var(--warn);
  font-size: 0.94rem;
  font-weight: 700;
}

.action-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.action-row-main {
  justify-content: space-between;
  margin-top: 24px;
}

.action-row-output {
  margin-top: 22px;
}

.primary-button,
.secondary-button,
.ghost-button {
  appearance: none;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.primary-button {
  background: linear-gradient(135deg, var(--accent), #0f8b86);
  color: #fff;
}

.secondary-button {
  background: #f0f7f6;
  border-color: #d5e4e2;
  color: var(--accent-dark);
}

.ghost-button {
  background: #fff;
  border-color: var(--line);
  color: var(--text);
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.preset-button:hover,
.chip-button:hover,
.priority-mini-button:hover,
.text-button:hover {
  transform: translateY(-1px);
}

.text-button {
  padding: 6px 12px;
}

.empty-state {
  padding: 14px;
  border-radius: 14px;
  border: 1px dashed var(--line);
  color: var(--muted);
  background: #fbfdfd;
}

@media (max-width: 1080px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .side-panel {
    position: static;
  }
}

@media (max-width: 820px) {
  .form-grid,
  .preference-grid,
  .output-grid,
  .summary-grid,
  .step-list {
    grid-template-columns: 1fr;
  }

  .preset-bar,
  .progress-top,
  .output-head,
  .priority-order-item {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 14px, 1180px);
    padding: 14px 0 28px;
  }

  .hero,
  .preset-bar,
  .progress,
  .main-panel,
  .side-panel {
    padding: 18px;
  }

  .priority-pool,
  .priority-order,
  .tag-summary,
  .output-card {
    padding: 16px;
  }

  .action-row,
  .priority-actions {
    width: 100%;
  }

  .action-row {
    flex-direction: column;
  }

  .primary-button,
  .secondary-button,
  .ghost-button,
  .preset-button,
  .chip-button,
  .text-button,
  .field input,
  .field select,
  .field textarea {
    font-size: 16px;
  }
}

@media print {
  body {
    background: #fff;
  }

  .back-link,
  .preset-bar,
  .progress,
  .side-panel,
  .action-row,
  .text-button,
  #formMessage {
    display: none !important;
  }

  .workspace,
  .output-grid,
  .summary-grid {
    display: block;
  }

  .main-panel,
  .output-card,
  .summary-card,
  .tag-summary,
  .hero {
    box-shadow: none;
    border: 1px solid #d9d9d9;
    break-inside: avoid;
  }

  .step-panel:not([data-step="5"]) {
    display: none !important;
  }
}