:root {
  --bg: #f3f5f7;
  --paper: #ffffff;
  --ink: #0b1f33;
  --muted: #66727f;
  --line: #d9dee5;
  --blue: #0d4cd3;
  --blue-dark: #0a3eae;
  --blue-soft: #e7f0ff;
  --danger: #c62828;
  --danger-bg: #fdecea;
  --warn: #8a5a00;
  --warn-bg: #fff6e5;
  --ok: #0d6b4d;
  --shadow: 0 1px 2px rgba(11, 31, 51, 0.06);
  --sans: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
}

a { color: var(--blue); }
a:hover { color: var(--blue-dark); }

:focus-visible {
  outline: 3px solid rgba(13, 76, 211, 0.35);
  outline-offset: 2px;
}

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--blue);
  color: white;
  padding: 8px 12px;
  z-index: 20;
}
.skip:focus { top: 12px; color: white; }

.wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }

.notice {
  background: var(--blue-soft);
  border-bottom: 1px solid #d3e1fb;
  color: var(--ink);
  font-size: 14px;
}
.notice .wrap { padding: 10px 0; }
.notice strong { font-weight: 650; }

.site-head {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  flex: 0 0 auto;
}
.brand:hover { color: var(--ink); }
.brand strong { display: block; font-size: 20px; line-height: 1.1; }
.brand small { display: block; color: var(--muted); font-size: 13px; }

.mark {
  width: 40px;
  height: 40px;
  display: block;
  flex: 0 0 auto;
}
.mark text {
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 24px;
  font-weight: 700;
  fill: #ffffff;
}

.nav {
  display: flex;
  gap: 4px 18px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--blue); }
.nav a[aria-current="page"] {
  color: var(--blue);
  border-bottom-color: var(--blue);
  font-weight: 650;
}

.page { padding: 22px 0 48px; }

.crumbs { font-size: 14px; color: var(--muted); margin: 0 0 14px; }
.crumbs a { text-decoration: none; }

h1, h2, h3 { font-weight: 700; letter-spacing: 0; margin: 0 0 10px; }
h1 { font-size: clamp(30px, 4vw, 40px); line-height: 1.15; }
h2 { font-size: 26px; margin-top: 28px; }
h3 { font-size: 18px; }

.kicker {
  margin: 0 0 6px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.lede { font-size: 18px; max-width: 68ch; color: var(--ink); }
.note, .meta { color: var(--muted); font-size: 14px; }
.narrow { max-width: 68ch; }

.actions, .tool-row, .filter { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

.btn, button, .filter button, .amount, .purpose {
  appearance: none;
  border: 1px solid var(--blue);
  background: var(--blue);
  color: white;
  font: inherit;
  font-size: 15px;
  line-height: 1.2;
  border-radius: 8px;
  padding: 12px 16px;
  text-decoration: none;
  cursor: pointer;
  display: inline-block;
}

.btn.ghost, button.ghost, .filter button, .amount, .purpose {
  background: #fff;
  color: var(--blue);
}

.btn:hover, button:hover, .filter button:hover { background: var(--blue-dark); color: #fff; border-color: var(--blue-dark); }
.btn.ghost:hover, button.ghost:hover, .filter button:hover, .amount:hover, .purpose:hover {
  background: var(--blue-soft);
  color: var(--blue-dark);
  border-color: var(--blue);
}

.filter button[aria-pressed="true"],
.amount[aria-pressed="true"],
.purpose[aria-pressed="true"] {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

.hero-grid, .split, .purpose { display: block; width: 100%; text-align: left; margin: 0 0 8px; }
.purpose strong, .purpose small { display: block; }
.purpose small { margin-top: 4px; font-weight: 400; }
.amounts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.amount { margin: 0; text-align: center; font-weight: 700; }
.support-grid, .two {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 20px;
  align-items: start;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 22px;
}

.card, .panel, .scheme, .lesson, .req, .q-card, .link-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.card {
  display: block;
  padding: 16px;
  min-height: 148px;
  color: var(--ink);
  text-decoration: none;
}
.card:hover { border-color: var(--blue); color: var(--ink); }
.card strong { display: block; font-size: 18px; margin: 8px 0 6px; }
.card span, .card small { color: var(--muted); }

.panel { padding: 18px; }
.panel p { margin: 0 0 8px; }

.callout {
  background: var(--blue-soft);
  border: 1px solid #d3e1fb;
  border-left: 4px solid var(--blue);
  border-radius: 12px;
  padding: 14px 16px;
  margin: 16px 0;
}
.callout.warn {
  background: var(--danger-bg);
  border-color: #f3c7c3;
  border-left-color: var(--danger);
}

label { display: block; font-size: 14px; font-weight: 650; margin: 14px 0 6px; }

input[type="text"], input[type="url"], input[type="tel"], textarea, select {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: #fff;
  border: 1px solid #b8c1cc;
  border-radius: 8px;
  padding: 12px 14px;
}
textarea { min-height: 140px; resize: vertical; }
input:focus, textarea:focus, select:focus { border-color: var(--blue); outline: none; box-shadow: 0 0 0 3px rgba(13, 76, 211, 0.15); }

.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin-top: 14px; }
.check input { width: auto; margin-top: 3px; }

.examples { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.examples button { background: #fff; color: var(--ink); border-color: var(--line); font-size: 14px; padding: 8px 12px; }
.examples button:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }

.result {
  margin-top: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
.result[data-level="high"] { background: var(--danger-bg); border-left: 4px solid var(--danger); }
.result[data-level="watch"] { background: var(--warn-bg); border-left: 4px solid var(--warn); }
.result[data-level="calm"] { background: #fff; border-left: 4px solid var(--ok); }
.result h2 { margin-top: 0; font-size: 24px; }
.host { font-family: var(--mono); font-size: 15px; word-break: break-all; }

.finding {
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}
.finding strong { display: block; }

.filter-bar {
  position: sticky;
  top: 72px;
  z-index: 4;
  padding: 10px 0;
  background: color-mix(in srgb, var(--bg) 92%, white);
}

.scheme { padding: 18px; margin-top: 12px; }
.scheme .split { margin-top: 8px; }
.scheme ul, .scheme ol, .steps, .plain { margin: 8px 0 0; padding-left: 18px; }
.steps li, .plain li, .scheme li { margin: 6px 0; }

.who { display: grid; grid-template-columns: 180px 1fr; gap: 8px 16px; margin: 8px 0 0; }
.who dt { color: var(--muted); }
.who dd { margin: 0; }

table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; font-size: 15px; }
th, td { text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); padding: 12px; }
th { font-size: 13px; color: var(--muted); font-weight: 700; background: #f7f9fb; }

.lesson, .q-card, .req, .link-card { padding: 16px 18px; margin-top: 12px; }
.lesson h2, .q-card h2, .link-card h2 { margin-top: 0; font-size: 22px; }

.choices { display: grid; gap: 8px; margin-top: 10px; }
.choices button { text-align: left; background: #fff; color: var(--ink); border-color: var(--line); }
.choices button:hover, .choices button[aria-pressed="true"] { border-color: var(--blue); background: var(--blue-soft); color: var(--ink); }
.choices button.is-right { border-color: var(--ok); background: #e8f6f0; }
.choices button.is-wrong { border-color: var(--danger); background: var(--danger-bg); }

.score {
  margin-top: 16px;
  padding: 16px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
}

.req p { margin: 6px 0; }
.req .phone { font-size: 28px; font-weight: 700; letter-spacing: 0.01em; color: var(--ink); text-decoration: none; }
.req .phone:hover { color: var(--blue); }

.link-list { list-style: none; margin: 8px 0 0; padding: 0; }
.link-list li { margin: 8px 0; }
.link-list a { font-weight: 650; }

.site-foot {
  background: #fff;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.foot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding-bottom: 22px;
}
.site-foot h2 {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.site-foot a, .site-foot p { display: block; margin: 0 0 8px; color: var(--ink); text-decoration: none; font-size: 15px; }
.site-foot a:hover { color: var(--blue); }
.legal {
  border-top: 1px solid var(--line);
  padding: 14px 0 22px;
  color: var(--muted);
  font-size: 13px;
}
.legal p { margin: 0; max-width: 95ch; }

@media (max-width: 980px) {
  .cards, .foot-grid { grid-template-columns: 1fr 1fr; }
  .hero-grid, .split, .support-grid, .two, .scheme .split { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .cards, .foot-grid, .who { grid-template-columns: 1fr; }
  .head-row { align-items: flex-start; flex-direction: column; padding: 12px 0; }
  .nav { justify-content: flex-start; }
  h1 { font-size: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}