:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  color: #172b3a;
  background: #f1f5f7;
  line-height: 1.65;
  font-synthesis: none;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; }
main { width: min(1180px, 100%); margin: 0 auto; padding: 32px 24px 48px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(1.65rem, 4vw, 2.5rem); line-height: 1.35; margin-bottom: 16px; letter-spacing: -.025em; }
h2 { font-size: 1.18rem; margin-bottom: 16px; }
h3 { font-size: 1.05rem; }
.page-header { padding: 12px 0 20px; }
.page-header > p { max-width: 760px; }
.eyebrow { color: #12665c; font-size: .85rem; font-weight: 750; letter-spacing: .08em; margin-bottom: 8px; }
.privacy { display: inline-block; background: #e0f2eb; color: #185947; border: 1px solid #9fcbbb; border-radius: 8px; padding: 6px 12px; font-size: .9rem; }
.panel { background: #fff; border: 1px solid #d2dce2; border-radius: 16px; padding: 26px; margin-bottom: 22px; box-shadow: 0 4px 18px #172b3a06; }
.input-grid, .settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.input-grid > div, .settings-grid > div { min-width: 0; }
label { display: block; font-weight: 700; margin-bottom: 8px; }
label span { font-weight: 400; color: #536675; font-size: .86rem; margin-left: 6px; }
textarea, input[type="number"], select { font: inherit; color: inherit; background: #fff; border: 1px solid #879baa; border-radius: 8px; padding: 11px 12px; }
textarea { width: 100%; resize: vertical; min-height: 160px; tab-size: 4; font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .9rem; line-height: 1.8; }
textarea::placeholder { color: #657786; opacity: 1; }
input[type="number"] { width: 120px; }
select { width: 100%; max-width: 360px; }
.hint, .muted { color: #526472; font-size: .86rem; }
.hint { margin-top: 9px; margin-bottom: 14px; }
button { font: inherit; font-weight: 700; border: 1px solid transparent; border-radius: 9px; cursor: pointer; padding: 10px 17px; min-height: 44px; }
.primary { background: #15685f; color: #fff; margin-top: 20px; padding-inline: 28px; }
.primary:hover { background: #0e524b; }
.secondary { background: #f8fafb; border-color: #879baa; color: #233d4c; }
.secondary:hover { background: #eaf1f4; }
button:disabled { opacity: .55; cursor: not-allowed; }
:focus-visible { outline: 3px solid #a34b0e; outline-offset: 3px; }
.button-row { display: flex; gap: 12px; flex-wrap: wrap; }
details { border-top: 1px solid #dbe3e8; padding-top: 10px; margin-top: 14px; }
summary { cursor: pointer; color: #31576a; font-weight: 650; }
details > p { margin-top: 10px; margin-bottom: 8px; }
.storage-box { background: #f4f7f9; border-radius: 10px; padding: 17px; margin-top: 20px; }
.checkbox-label { display: flex; align-items: flex-start; gap: 10px; font-size: .92rem; }
input[type="checkbox"] { flex-shrink: 0; width: 19px; height: 19px; margin: 3px 0 0; accent-color: #15685f; }
.message { background: #e8f0f7; border-left: 4px solid #426d93; border-radius: 4px; padding: 13px 16px; overflow-wrap: anywhere; }
.message.error { background: #fff1e7; border-left-color: #ae4c14; color: #79350c; }
.stats { list-style: none; display: flex; gap: 9px; flex-wrap: wrap; padding: 0; margin-bottom: 20px; }
.stat { border: 1px solid #b8c6ce; border-radius: 7px; padding: 6px 10px; font-size: .82rem; font-weight: 650; }
.table-scroll { overflow-x: auto; border: 1px solid #cbd7de; border-radius: 8px; }
table { border-collapse: collapse; width: 100%; min-width: 740px; table-layout: fixed; }
caption { text-align: left; padding: 12px; font-weight: 700; background: #f5f8fa; }
th { background: #eaf0f4; text-align: left; font-size: .88rem; }
th:first-child { width: 27%; }
th, td { padding: 14px; border-bottom: 1px solid #cbd7de; vertical-align: top; }
tbody tr:last-child td { border-bottom: none; }
td + td { border-left: 1px solid #d2dce2; }
td p { margin: 9px 0; font-size: .84rem; overflow-wrap: anywhere; }
.badge { display: block; font-size: .88rem; }
.row-label { color: #475d69; font-weight: 700; margin: 0 0 8px; }
.raw { white-space: pre-wrap; overflow-wrap: anywhere; tab-size: 4; font-size: .88rem; font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; margin: 0; }
.normalized { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; white-space: pre-wrap; }
.status-exact { background: #eaf5ee; color: #214d34; }
.status-notation { background: #edf3ff; color: #284c7d; }
.status-changed { background: #fff2dc; color: #754913; }
.status-leftOnly { background: #edf7fa; color: #285a6e; }
.status-rightOnly { background: #f4effa; color: #59407e; }
.status-missing, .status-ambiguous { background: #fff0ed; color: #85372e; }
.candidates { margin-top: 28px; }
.candidates ul { padding-left: 22px; }
.candidates li { padding: 12px; margin-bottom: 10px; background: #fff8e9; border: 1px solid #d8bd80; border-radius: 7px; }
.candidates li strong { display: block; margin-bottom: 7px; font-size: .9rem; }
.export-box { border-top: 1px solid #d2dce2; margin-top: 25px; padding-top: 20px; }
.export-box button { margin-top: 10px; }
footer { color: #526472; font-size: .82rem; padding: 8px 0; }
@media (max-width: 700px) {
  main { padding: 20px 14px 32px; }
  .panel { padding: 18px; border-radius: 12px; }
  .input-grid, .settings-grid { grid-template-columns: 1fr; gap: 18px; }
  .primary { width: 100%; }
  .button-row button { flex-grow: 1; }
}
@media print {
  body { background: #fff; }
  main { width: 100%; padding: 0; }
  form, .message, .export-box, footer { display: none; }
  .panel { box-shadow: none; padding: 8px; }
  .table-scroll { overflow: visible; }
  table { min-width: 0; }
}