/* UI: common.css を前提に、入力・選択の視認性を強化 */

:root {
  color-scheme: light;
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #1d2433;
  --text-sub: #5d667a;
  --border: #d7dce6;
  --accent: #2f7cf6;
}

*,
*::before,
*::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

button,
input { font: inherit; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 14px;
  margin: 12px 0;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
}

.card--accent {
  border-color: color-mix(in oklab, var(--accent) 25%, var(--border));
  box-shadow: 0 12px 26px color-mix(in oklab, var(--accent) 18%, transparent);
}

.ck-wrap { max-width: 920px; margin: 0 auto; padding: 14px; }
.ck-hero { margin: 10px 0 14px; }
.ck-title { font-size: 22px; line-height: 1.2; margin: 0 0 6px; }
.ck-sub { margin: 0; color: var(--text-sub); }

.card-title { margin: 0 0 12px; font-size: 16px; }
.subhead { margin: 0 0 8px; font-size: 14px; color: var(--text); }

.guide-card { border-style: dashed; }
.guide-list {
  margin: 0;
  padding-left: 18px;
  color: var(--text);
  display: grid;
  gap: 6px;
}

.field { margin: 12px 0 14px; }
.field-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.field-label { font-weight: 700; }
.hint { font-size: 12px; color: var(--text-sub); margin-top: 6px; }
.hint-inline { font-size: 12px; color: var(--text-sub); }

input[type="range"] {
  width: 100%;
  height: 10px;
  accent-color: var(--accent);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--accent);
  border: 2px solid color-mix(in oklab, var(--accent) 70%, white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}
input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--accent);
  border: 2px solid color-mix(in oklab, var(--accent) 70%, white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 10px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--accent) 30%, var(--border));
}
input[type="range"]::-moz-range-track {
  height: 10px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--accent) 30%, var(--border));
}

.pill {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
}

.seg {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}
.seg-2 { grid-template-columns: 1fr 1fr; }

.seg-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: 12px 10px;
  border-radius: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .04s ease;
}
.seg-btn:active { transform: scale(0.99); }
.seg-btn.is-selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--accent) 25%, transparent);
}
.seg-btn.is-selected::after {
  content: "✓";
  margin-left: 6px;
  font-weight: 900;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
@media (max-width: 520px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
}

.label-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 6px;
}
.label-row label { margin: 0; }

.mini-help {
  margin: 0;
  position: relative;
}
.mini-help summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 800;
  color: var(--text-sub);
  background: var(--card);
}
.mini-help summary::-webkit-details-marker { display: none; }
.mini-help[open] summary {
  border-color: var(--accent);
  color: var(--accent);
}
.mini-help-body {
  margin-top: 6px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  font-size: 12px;
  color: var(--text-sub);
  max-width: 240px;
}

.pct-field label { display: block; font-weight: 700; margin: 0 0 6px; }
.pct-wrap {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 14px;
  padding: 10px 10px;
  gap: 8px;
}
.pct-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--accent) 25%, transparent);
}
.pct-wrap input {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  font-size: 16px;
}
.pct { color: var(--text-sub); font-weight: 700; }

.sum-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px dashed var(--border);
  background: color-mix(in oklab, var(--card) 70%, transparent);
}
.sum-left { display: flex; align-items: baseline; gap: 10px; }
.sum-label { color: var(--text-sub); font-size: 12px; font-weight: 700; }
.sum-value { font-size: 16px; font-weight: 900; }
.sum-msg { font-size: 12px; color: var(--text-sub); line-height: 1.3; }

.sum-row.ok {
  border-style: solid;
  border-color: color-mix(in oklab, var(--accent) 45%, var(--border));
}

.amount-preview {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-sub);
}

.error {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid color-mix(in oklab, #ff0000 28%, var(--border));
  background: color-mix(in oklab, #ff0000 8%, var(--card));
  color: var(--text);
  font-size: 13px;
  line-height: 1.35;
}

.details { margin-top: 14px; border-top: 1px solid var(--border); padding-top: 10px; }
.details summary {
  cursor: pointer;
  font-weight: 800;
  list-style: none;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.details summary::-webkit-details-marker { display: none; }
.summary-sub { color: var(--text-sub); font-size: 12px; font-weight: 600; }
.details-body { margin-top: 12px; }

.mini {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
}
.mini-label { font-size: 12px; color: var(--text-sub); font-weight: 700; }
.mini-value { font-weight: 900; }
.mini-msg { font-size: 12px; color: var(--text-sub); }

.cta-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
@media (max-width: 520px) { .cta-row { grid-template-columns: 1fr; } }

.btn-primary, .btn-ghost {
  border-radius: 16px;
  padding: 14px 12px;
  font-weight: 900;
  cursor: pointer;
}
.btn-primary {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: white;
}
.btn-primary:disabled {
  opacity: .55;
  cursor: not-allowed;
}
.btn-ghost {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
}

.note { margin: 12px 0 0; color: var(--text-sub); font-size: 12px; }

.verdict { display: grid; gap: 8px; margin-bottom: 10px; }
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-weight: 900;
  background: var(--card);
}
.verdict-text { color: var(--text); font-weight: 700; line-height: 1.35; }

.diff-list { margin: 0; padding-left: 18px; }
.diff-list li { margin: 4px 0; }

.chart-wrap { margin-top: 14px; }
.chart-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.chart-legend { display: flex; gap: 10px; font-size: 12px; color: var(--text-sub); }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 999px; vertical-align: middle; margin-right: 6px; border: 1px solid var(--border); }
.dot-model { background: color-mix(in oklab, var(--accent) 30%, white); }
.dot-you { background: color-mix(in oklab, var(--accent) 75%, black); }

.chart-frame {
  border-radius: 14px;
  border: 1px solid var(--border);
  background: white;
  padding: 12px 12px 14px;
}

canvas { width: 100%; height: auto; display: block; border-radius: 10px; }

.steps { margin: 0; padding-left: 18px; color: var(--text); }
.steps li { margin: 6px 0; }

.faq { border-top: 1px solid var(--border); padding-top: 10px; }
.faq summary {
  cursor: pointer;
  font-weight: 800;
  list-style: none;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq-body { margin-top: 12px; display: grid; gap: 12px; }
.faq-item { padding: 10px 12px; border-radius: 14px; border: 1px solid var(--border); background: var(--card); }
.faq-q { font-weight: 800; margin-bottom: 6px; }
.faq-a { font-size: 13px; line-height: 1.45; color: var(--text-sub); }

.model-row { font-size: 12px; color: var(--text-sub); margin-bottom: 8px; }
.model-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.model-cell {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px;
  background: var(--card);
}
.model-cell .k { font-size: 12px; color: var(--text-sub); font-weight: 800; }
.model-cell .v { font-size: 16px; font-weight: 900; margin-top: 2px; }

.next-text, .crypto-text { margin: 0; line-height: 1.45; }