:root {
  color-scheme: light;
  --bg: #fbfcfd;
  --surface: #ffffff;
  --soft: #eef6f8;
  --soft-2: #f4f7f4;
  --text: #172027;
  --muted: #5f6f7a;
  --line: #d9e2e6;
  --line-strong: #b7c7cf;
  --blue: #0f6f8c;
  --blue-dark: #0b4c61;
  --green: #29735a;
  --amber: #aa6b12;
  --red: #b23a48;
  --focus: rgba(15, 111, 140, 0.24);
  --radius: 8px;
  --page-x: 40px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.58;
}

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

button {
  cursor: pointer;
}

a {
  color: inherit;
}

h1,
h2,
h3,
p {
  margin: 0;
}

p,
li,
span,
strong,
small {
  overflow-wrap: anywhere;
}

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

.skip-link {
  position: absolute;
  left: 12px;
  top: -44px;
  z-index: 20;
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--blue);
  color: #fff;
}

.skip-link:focus {
  top: 12px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 66px;
  padding: 10px var(--page-x);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.brand {
  display: grid;
  min-width: 0;
  text-decoration: none;
}

.brand strong {
  font-size: 15px;
  font-weight: 850;
}

.brand span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: flex-end;
}

.topnav a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 11px;
  border-radius: 6px;
  color: #33444e;
  font-size: 13px;
  font-weight: 780;
  text-decoration: none;
}

.topnav a:hover {
  background: var(--soft);
  color: var(--blue-dark);
}

.workspace {
  max-width: 1320px;
  margin: 0 auto;
  padding: 24px var(--page-x) 48px;
}

.intro {
  display: grid;
  grid-template-columns: minmax(420px, 0.48fr) minmax(420px, 0.52fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 18px;
}

.eyebrow {
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
}

h1 {
  font-size: 35px;
  line-height: 1.15;
  letter-spacing: 0;
}

.intro > p {
  color: #465965;
  font-size: 16px;
}

.tool-shell {
  display: grid;
  grid-template-columns: minmax(270px, 330px) minmax(0, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: clip;
}

.control-panel {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-right: 1px solid var(--line);
  background: var(--soft);
}

.field {
  display: grid;
  gap: 6px;
}

.field span,
.concern-box legend {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

select,
textarea,
.concern-box {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: #fff;
  color: var(--text);
}

select {
  min-height: 42px;
  padding: 0 10px;
  font-weight: 760;
}

.concern-box {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 12px;
}

.concern-box label {
  display: flex;
  gap: 8px;
  align-items: center;
  color: #33444e;
  font-size: 13px;
  font-weight: 730;
}

.concern-box input {
  width: 17px;
  height: 17px;
  accent-color: var(--blue);
}

.notice {
  padding: 12px;
  border: 1px solid #c9d9dd;
  border-radius: var(--radius);
  background: #fff;
}

.notice strong {
  display: block;
  margin-bottom: 4px;
  color: var(--blue-dark);
  font-size: 13px;
}

.notice p {
  color: var(--muted);
  font-size: 13px;
}

.results-panel {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.result-head > div:first-child {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 8px;
  color: var(--text);
  font-size: 15px;
  font-weight: 850;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--green);
}

.status-dot[data-level="caution"] {
  background: var(--amber);
}

.status-dot[data-level="alert"],
.status-dot[data-level="stop"] {
  background: var(--red);
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.result-actions button,
.quick-feedback button,
.feedback-actions button {
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  font-size: 13px;
  font-weight: 820;
}

#copyButton,
.feedback-actions button {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.score-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 12px;
  align-items: stretch;
}

.score-card {
  display: grid;
  gap: 4px;
  min-height: 94px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--soft-2);
}

.score-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.score-card strong {
  color: var(--blue-dark);
  font-size: 38px;
  line-height: 1;
}

.risk-copy {
  display: grid;
  align-content: center;
  gap: 4px;
  min-height: 94px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.risk-copy strong {
  font-size: 18px;
}

.risk-copy span {
  color: var(--muted);
  font-size: 14px;
}

.output-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.output-panel,
.recommend-panel,
.compare-card,
.source-card,
.feedback-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.output-panel {
  padding: 14px;
}

.output-panel h2,
.recommend-panel h2,
.section-head h2,
.feedback-form h2 {
  color: var(--text);
  font-size: 17px;
  line-height: 1.25;
}

.output-panel ul,
.compare-card ul {
  display: grid;
  gap: 8px;
  margin: 10px 0 0;
  padding-left: 18px;
  color: #344651;
  font-size: 14px;
}

.recommend-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(280px, 1.08fr);
  gap: 14px;
  padding: 14px;
}

.recommend-panel p {
  margin-top: 7px;
  color: var(--muted);
  font-size: 14px;
}

.product-fit {
  display: grid;
  gap: 8px;
}

.fit-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 118px;
  gap: 10px;
  align-items: center;
}

.fit-row div {
  display: grid;
  gap: 2px;
}

.fit-row strong {
  font-size: 13px;
}

.fit-row span {
  color: var(--muted);
  font-size: 12px;
}

meter {
  width: 100%;
  height: 12px;
}

.quick-feedback {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--soft-2);
}

.quick-feedback span:first-child {
  color: var(--muted);
  font-size: 13px;
  font-weight: 820;
}

#quickFeedbackStatus,
#feedbackStatus {
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 820;
}

.section-band {
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px var(--page-x);
}

.section-head {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.section-head p {
  max-width: 880px;
  color: var(--muted);
}

.compare-grid,
.evidence-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.compare-card {
  display: grid;
  align-content: start;
  gap: 9px;
  padding: 15px;
}

.compare-card h3 {
  font-size: 18px;
  line-height: 1.25;
}

.compare-card p {
  color: var(--muted);
  font-size: 14px;
}

.tag {
  justify-self: start;
  min-height: 24px;
  padding: 2px 8px;
  border-radius: 999px;
  background: #e7f2ee;
  color: var(--green);
  font-size: 12px;
  font-weight: 850;
}

.tag.secondary {
  background: #edf4f7;
  color: var(--blue-dark);
}

.tag.warn {
  background: #fff4e6;
  color: var(--amber);
}

.source-card {
  display: grid;
  gap: 7px;
  min-height: 154px;
  padding: 15px;
  text-decoration: none;
}

.source-card:hover {
  border-color: var(--blue);
}

.source-card span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
}

.source-card strong {
  font-size: 15px;
  line-height: 1.28;
}

.source-card small {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.feedback-band {
  padding-top: 24px;
}

.feedback-form {
  display: grid;
  gap: 12px;
  max-width: 820px;
  padding: 16px;
}

.feedback-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feedback-options label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #33444e;
  font-size: 13px;
  font-weight: 760;
}

.feedback-message {
  display: grid;
  gap: 6px;
}

.feedback-message span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

textarea {
  min-height: 112px;
  padding: 10px;
  resize: vertical;
}

.bot-field {
  position: absolute;
  left: -9999px;
}

.feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.feedback-actions button {
  min-width: 132px;
}

.limits {
  padding-top: 20px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: center;
  min-height: 72px;
  padding: 18px var(--page-x);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer a {
  font-weight: 760;
}

@media (max-width: 980px) {
  :root {
    --page-x: 18px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .topnav {
    justify-content: flex-start;
  }

  .intro,
  .tool-shell,
  .recommend-panel {
    grid-template-columns: 1fr;
  }

  .control-panel {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .output-grid,
  .compare-grid,
  .evidence-grid {
    grid-template-columns: 1fr;
  }

  .result-head,
  .score-row {
    grid-template-columns: 1fr;
  }

  .result-head {
    align-items: stretch;
    flex-direction: column;
  }

  .result-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  h1 {
    font-size: 30px;
  }
}

@media (max-width: 520px) {
  :root {
    --page-x: 12px;
  }

  .workspace {
    padding-top: 16px;
  }

  .intro {
    gap: 12px;
  }

  h1 {
    font-size: 25px;
  }

  .result-actions {
    grid-template-columns: 1fr;
  }

  .fit-row {
    grid-template-columns: 1fr;
  }
}

@media print {
  .topbar,
  .control-panel,
  .result-actions,
  .quick-feedback,
  .feedback-band,
  .footer {
    display: none;
  }

  .workspace,
  .section-band {
    padding: 0;
  }

  .tool-shell,
  .output-panel,
  .recommend-panel {
    border: 0;
  }
}