:root {
  color-scheme: light;
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --ink: #18222d;
  --muted: #607080;
  --line: #d8e0e7;
  --accent: #176c9d;
  --accent-strong: #0d5b86;
  --soft: #edf7fc;
  --warn: #8a5a00;
}

* {
  box-sizing: border-box;
}

body.calc-specialist {
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  margin: 0;
}

.calc-shell {
  margin: 0 auto;
  max-width: 1120px;
  padding: 1rem;
}

.calc-hero,
.calc-panel,
.calc-card,
.calc-comments,
.calc-series,
.return-links a {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.calc-hero {
  margin: 1rem 0;
  padding: 1.2rem;
}

.calc-kicker,
.section-kicker {
  color: var(--accent-strong);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  margin: 0 0 .3rem;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
li,
a,
button,
input,
select {
  overflow-wrap: anywhere;
}

h1 {
  font-size: clamp(1.75rem, 5vw, 2.9rem);
  line-height: 1.18;
  margin: 0 0 .75rem;
}

h2 {
  font-size: 1.28rem;
  line-height: 1.35;
  margin: 0 0 .8rem;
}

.calc-lead {
  color: var(--muted);
  margin: 0;
}

.privacy-note,
.status-text,
.fine-note {
  color: var(--muted);
  font-size: .92rem;
}

.calc-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
}

.calc-panel,
.calc-card,
.calc-comments,
.calc-series {
  min-width: 0;
  padding: 1rem;
}

.calc-card + .calc-card {
  margin-top: 1rem;
}

.field-grid {
  display: grid;
  gap: .75rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

label {
  color: var(--muted);
  display: grid;
  gap: .3rem;
  font-size: .92rem;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  min-height: 2.7rem;
  min-width: 0;
  padding: .55rem .65rem;
  width: 100%;
}

button {
  align-items: center;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 7px;
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  justify-content: center;
  min-height: 2.6rem;
  min-width: 0;
  padding: .55rem .8rem;
}

button.secondary {
  background: #f8fafc;
  border-color: var(--line);
  color: var(--ink);
}

.calc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-top: .85rem;
}

.check-row {
  align-items: center;
  color: var(--ink);
  display: flex;
  gap: .5rem;
  min-height: 2.7rem;
}

.check-row input {
  min-height: auto;
  width: auto;
}

.break-rows {
  display: grid;
  gap: .65rem;
  margin-top: .3rem;
}

.break-row {
  align-items: end;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: .6rem;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  padding: .65rem;
}

.detail-box {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  margin-top: .85rem;
  min-height: 2.5rem;
  padding: .7rem;
}

.result-board {
  display: grid;
  gap: .7rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1rem;
}

.result-card {
  background: var(--soft);
  border: 1px solid #cce3f0;
  border-radius: 8px;
  min-width: 0;
  padding: .85rem;
}

.result-card span {
  color: var(--muted);
  display: block;
  font-size: .85rem;
}

.result-card strong {
  display: block;
  font-size: clamp(1.25rem, 4vw, 2rem);
  line-height: 1.2;
  margin-top: .25rem;
}

.status-box {
  background: #fffaf0;
  border: 1px solid #f0d8a8;
  border-radius: 8px;
  color: var(--warn);
  margin-top: 1rem;
  padding: .8rem;
}

.series-links,
.return-links {
  display: grid;
  gap: .65rem;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.series-links a,
.return-links a {
  background: var(--soft);
  color: var(--ink);
  display: block;
  padding: .75rem;
  text-decoration: none;
}

.return-links {
  margin: 1rem 0;
}

.return-links strong,
.return-links span,
.return-links small {
  display: block;
}

.return-links span,
.return-links small {
  color: var(--muted);
}

.ad-row {
  margin: 1rem 0;
  min-height: 250px;
}

.ad-label {
  color: var(--muted);
  font-size: .75rem;
  text-align: center;
}

.calc-footer {
  color: var(--muted);
  font-size: .85rem;
  padding: 1rem 0 2rem;
  text-align: center;
}

@media (max-width: 860px) {
  .calc-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .calc-shell {
    padding: .75rem;
  }

  .calc-hero,
  .calc-panel,
  .calc-card,
  .calc-comments,
  .calc-series {
    padding: .85rem;
  }

  .field-grid,
  .result-board,
  .break-row {
    grid-template-columns: 1fr;
  }

  .calc-actions button {
    width: 100%;
  }
}