/*
 * 계산잇다 공개 페이지 스타일 (2026-09 급여·노무 개편)
 * 어두운 편집형 디자인: 검정 캔버스, 얇은 흰 선, 단일 강조색(파랑).
 * 글자 크기와 폭은 화면에 따라 유동적으로 커집니다(375px 휴대폰 ~ 3840px 모니터).
 */

:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --panel: #ffffff;
  --panel-2: #f3f5f7;
  --field: #ffffff;
  --line: #e6e8eb;
  --line-soft: #eef0f3;
  --rule: #dfe3e8;
  --text: #191c1f;
  --sub: #4b5563;
  --muted: #6f7985;
  --accent: #2f6fed;
  --accent-soft: rgba(47, 111, 237, 0.12);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  --ok: #1f8a4c;
  --no: #d64545;
  --hold: #c99a06;
  --radius: 12px;
  --radius-sm: 8px;
  --wrap: min(92vw, 100rem);
  --gutter: clamp(16px, 4vw, 3rem);
  --topbar-h: 4rem;
  --measure: 44em;
  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", sans-serif;
}

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

/* 화면이 커질수록 기준 글자 크기도 커집니다: 375px 15px, 1440px 약 16.7px, 1920px 약 19px, 2560px 약 22px, 3840px 26px */
html {
  font-size: clamp(15px, 0.5vw + 9.5px, 26px);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-h) + 1.5rem);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--sub);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.72;
  letter-spacing: -0.005em;
  word-break: keep-all;
  overflow-wrap: anywhere;
  overflow-x: clip;
}

[hidden] {
  display: none !important;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--text);
  text-wrap: balance;
  word-break: keep-all;
}

p,
li {
  text-wrap: pretty;
}

strong,
b {
  color: var(--text);
  font-weight: 650;
}

.num {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.skip-link {
  position: absolute;
  top: 0.5rem;
  left: -9999px;
  z-index: 50;
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
}

.skip-link:focus {
  left: 0.75rem;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- 머리글 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--topbar-h);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(247, 248, 250, 0.88);
  backdrop-filter: blur(14px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: var(--wrap);
  height: 100%;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  flex: none;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.brand-text {
  display: grid;
  line-height: 1.15;
}

.brand-name {
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-sub {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 500;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav::-webkit-scrollbar {
  display: none;
}

.nav a {
  position: relative;
  flex: none;
  padding: 0.45rem 0.7rem;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  transition: color 120ms ease;
}

.nav a:hover {
  color: var(--text);
}

.nav a[aria-current="page"] {
  color: var(--text);
}

.nav a[aria-current="page"]::after {
  position: absolute;
  right: 0.7rem;
  bottom: -0.05rem;
  left: 0.7rem;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  content: "";
}

/* ---------- 공통 틀 ---------- */
.page {
  width: var(--wrap);
  margin: 0 auto;
  padding-bottom: 4rem;
}

.eyebrow {
  display: block;
  margin: 0 0 0.9rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.page-head {
  display: grid;
  gap: 0 4rem;
  padding: clamp(2.2rem, 5vw, 4.5rem) 0 clamp(1.8rem, 3vw, 2.6rem);
  border-bottom: 1px solid var(--rule);
}

.page-head h1 {
  max-width: 22em;
  font-size: clamp(2rem, 1.2rem + 2.4vw, 3.6rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.03em;
}

.page-head .lead {
  max-width: var(--measure);
  margin: 1.2rem 0 0;
  color: var(--sub);
  font-size: 1.08rem;
  line-height: 1.75;
}

.page-head .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
  margin: 1.3rem 0 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.8rem;
  list-style: none;
}

.page-head .meta li::before {
  display: inline-block;
  width: 0.35rem;
  height: 0.35rem;
  margin-right: 0.5rem;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: 0.15em;
  content: "";
}

/* ---------- 계산기 ---------- */
.tool {
  margin: clamp(1.8rem, 3vw, 2.8rem) 0 0;
}

.tool-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.input-panel {
  padding: clamp(1.2rem, 2.2vw, 2rem);
}

.panel-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 0 1.3rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line-soft);
}

.panel-title h2 {
  font-size: 1.05rem;
  font-weight: 700;
}

.panel-title span {
  color: var(--muted);
  font-size: 0.78rem;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: 1.15rem 1.25rem;
}

.field-wide {
  grid-column: 1 / -1;
}

label {
  display: grid;
  align-content: start;
  gap: 0.45rem;
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
}

.hint {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 400;
  line-height: 1.55;
}

input,
select,
textarea {
  width: 100%;
  min-height: 2.9rem;
  padding: 0 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--field);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  outline: 0;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

select {
  appearance: none;
  padding-right: 2.2rem;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 1.15rem) 50%, calc(100% - 0.8rem) 50%;
  background-size: 0.35rem 0.35rem;
  background-repeat: no-repeat;
}

textarea {
  min-height: 9rem;
  padding-top: 0.75rem;
  line-height: 1.6;
}

input:hover,
select:hover,
textarea:hover {
  border-color: #c9ced6;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

input[type="date"],
input[type="month"] {
  color-scheme: light;
}

.form-error {
  min-height: 1.4em;
  margin: 0.9rem 0 0;
  color: var(--no);
  font-size: 0.85rem;
  font-weight: 600;
}

.form-note {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

/* 결과 영역은 처음부터 자리를 확보해 값이 바뀌어도 레이아웃이 움직이지 않습니다. */
.result-panel {
  display: flex;
  flex-direction: column;
  min-height: 24rem;
  padding: clamp(1.2rem, 2.2vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(47, 111, 237, 0.05), transparent 9rem),
    var(--panel);
  box-shadow: var(--shadow);
  contain: layout;
}

.result-kicker {
  margin: 0;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.result-main {
  display: block;
  min-height: 1.25em;
  margin: 0.55rem 0 1.2rem;
  overflow: hidden;
  color: var(--accent);
  font-size: clamp(1.9rem, 1.3rem + 1.6vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.metrics {
  margin: 0;
  border-top: 1px solid var(--line-soft);
}

.metrics div {
  display: grid;
  grid-template-columns: minmax(6.5rem, 0.8fr) minmax(0, 1.2fr);
  gap: 1rem;
  align-items: baseline;
  min-height: 3rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.metrics dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
}

.metrics dd {
  margin: 0;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.verdict {
  min-height: 6.5em;
  margin: 1.2rem 0 0;
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 2px solid var(--accent);
  color: var(--sub);
  font-size: 0.88rem;
  line-height: 1.65;
}

.how-to-read {
  margin-top: 1.25rem;
  padding: clamp(1.1rem, 2vw, 1.6rem) clamp(1.2rem, 2.2vw, 2rem);
}

.how-to-read h2 {
  margin: 0 0 0.8rem;
  font-size: 1rem;
  font-weight: 700;
}

.how-to-read ol {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: 0.6rem 2rem;
  margin: 0;
  padding: 0;
  counter-reset: read;
  list-style: none;
}

.how-to-read li {
  position: relative;
  padding-left: 1.9rem;
  font-size: 0.9rem;
  line-height: 1.65;
  counter-increment: read;
}

.how-to-read li::before {
  position: absolute;
  top: 0.05rem;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
  content: counter(read, decimal-leading-zero);
}

/* ---------- 본문(목차 + 본문 + 요약) ---------- */
.doc {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
  margin-top: clamp(2.4rem, 4vw, 3.6rem);
}

.toc,
.doc-aside {
  display: none;
}

.doc-main {
  min-width: 0;
}

.doc-main > section {
  margin: 0 0 clamp(2.6rem, 4vw, 3.6rem);
}

.doc-main > section > h2,
.doc-main .guide > h2 {
  margin: 0 0 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--rule);
  font-size: clamp(1.3rem, 1.05rem + 0.6vw, 1.7rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.doc-main h3 {
  margin: 1.8rem 0 0.55rem;
  font-size: 1.08rem;
  font-weight: 650;
  line-height: 1.45;
}

.doc-main p,
.doc-main li {
  max-width: var(--measure);
  line-height: 1.8;
}

.doc-main p {
  margin: 0.75rem 0;
}

.doc-main ul,
.doc-main ol {
  margin: 0.8rem 0;
  padding-left: 1.25rem;
}

.doc-main li {
  margin: 0.45rem 0;
}

.doc-main li::marker {
  color: var(--accent);
}

.doc-main a:not(.card) {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: rgba(47, 111, 237, 0.55);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.doc-main a:not(.card):hover {
  color: var(--accent);
}

.example {
  max-width: 52rem;
  margin: 1.2rem 0;
  padding: clamp(1rem, 2vw, 1.5rem) clamp(1.1rem, 2.2vw, 1.8rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.example > strong:first-child {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
}

.example p {
  margin: 0.55rem 0;
}

.calc-lines {
  padding: 0.85rem 1rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: var(--panel-2);
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.95;
  font-variant-numeric: tabular-nums;
  overflow-x: auto;
}

.doc-main .calc-lines {
  max-width: 52rem;
}

.warn {
  max-width: 52rem;
  margin: 1.4rem 0;
  padding: 0.3rem 0 0.3rem 1.1rem;
  border-left: 2px solid var(--hold);
}

.warn p {
  margin: 0.4rem 0;
}

.table-wrap {
  max-width: 100%;
  margin: 1.2rem 0;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  min-width: 32rem;
  border-collapse: collapse;
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}

.data-table caption {
  margin-bottom: 0.6rem;
  color: var(--muted);
  font-size: 0.8rem;
  text-align: left;
}

.data-table th,
.data-table td {
  padding: 0.75rem 0.9rem 0.75rem 0;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: top;
}

.data-table thead th {
  border-bottom: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.data-table td:first-child {
  color: var(--text);
  font-weight: 600;
}

.sources {
  margin: 0;
  padding-left: 1.3rem;
  font-size: 0.9rem;
}

.sources li {
  margin: 0.5rem 0;
}

/* 자주 묻는 질문 */
.faq-list {
  max-width: 52rem;
  border-top: 1px solid var(--line-soft);
}

.faq-list details {
  border-bottom: 1px solid var(--line-soft);
}

.faq-list summary {
  position: relative;
  padding: 1rem 2.5rem 1rem 0;
  color: var(--text);
  font-weight: 600;
  line-height: 1.55;
  list-style: none;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  top: 0.95rem;
  right: 0.3rem;
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.3;
  content: "+";
}

.faq-list details[open] summary::after {
  content: "\2212";
}

.faq-list details p {
  margin: -0.2rem 0 1.1rem;
}

/* 목차 */
.toc {
  position: sticky;
  top: calc(var(--topbar-h) + 1.5rem);
  align-self: start;
  max-height: calc(100vh - var(--topbar-h) - 3rem);
  overflow-y: auto;
}

.toc-title,
.aside-title {
  margin: 0 0 0.8rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc li {
  margin: 0;
}

.toc a {
  display: block;
  padding: 0.4rem 0 0.4rem 0.8rem;
  border-left: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
  transition: color 120ms ease, border-color 120ms ease;
}

.toc a:hover {
  border-left-color: var(--accent);
  color: var(--text);
}

/* 오른쪽 요약 */
.doc-aside {
  position: sticky;
  top: calc(var(--topbar-h) + 1.5rem);
  align-self: start;
}

.aside-block {
  margin-bottom: 1.4rem;
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.stat {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.stat:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.stat-value {
  display: block;
  color: var(--accent);
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.stat-label {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.aside-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.aside-links a {
  display: block;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--sub);
  font-size: 0.86rem;
  line-height: 1.45;
}

.aside-links li:last-child a {
  border-bottom: 0;
}

.aside-links a:hover {
  color: var(--text);
}

.aside-links a::after {
  float: right;
  color: var(--accent);
  content: "\2192";
}

/* ---------- 카드(홈·목록) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.25rem 1.35rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

/* 카드 */
.card:hover {
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
  border-color: rgba(47, 111, 237, 0.55);
  background: #fbfcff;
}

.card-kicker {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.card-title {
  margin: 0.45rem 0 0.5rem;
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.015em;
}

.card-desc {
  margin: 0;
  color: var(--sub);
  font-size: 0.88rem;
  line-height: 1.65;
}

.card-foot {
  margin-top: auto;
  padding-top: 0.9rem;
  color: var(--muted);
  font-size: 0.76rem;
}

.card-foot::after {
  float: right;
  color: var(--accent);
  content: "\2192";
}

/* 홈 */
.hero {
  display: grid;
  gap: 2.4rem;
  align-items: end;
  padding: clamp(1.8rem, 3.5vw, 3.2rem) 0 clamp(1.4rem, 2.5vw, 2.2rem);
  border-bottom: 1px solid var(--rule);
}

.hero h1 {
  max-width: 16em;
  font-size: clamp(1.9rem, 1.1rem + 2.2vw, 3.3rem);
  font-weight: 850;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.hero .lead {
  max-width: 42em;
  margin: 1rem 0 0;
  font-size: 1.1rem;
  line-height: 1.75;
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line-soft);
}

.stat-strip .stat {
  padding: 1rem 1rem 1rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.stat-strip .stat-value {
  font-size: clamp(1.4rem, 1rem + 1vw, 2.1rem);
}

.band {
  padding: clamp(2.4rem, 4.5vw, 4rem) 0 0;
}

.band-first {
  padding-top: clamp(1.4rem, 2.5vw, 2.2rem);
}

.nowrap {
  white-space: nowrap;
}

.aside-block,
.steps li,
.link-list a {
  box-shadow: var(--shadow);
}

.band-head {
  display: grid;
  gap: 0.4rem 3rem;
  margin-bottom: 1.6rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule);
}

.band-head h2 {
  font-size: clamp(1.45rem, 1.1rem + 0.9vw, 2.1rem);
  font-weight: 750;
  letter-spacing: -0.025em;
}

.band-head p {
  max-width: 40em;
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.group {
  display: grid;
  gap: 1rem 3rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.group:last-child {
  border-bottom: 0;
}

.group-head h3 {
  font-size: 1.12rem;
  font-weight: 700;
}

.group-head p {
  max-width: 26em;
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.6;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  counter-reset: step;
  list-style: none;
}

.steps li {
  padding: 1.3rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  counter-increment: step;
}

.steps li::before {
  display: block;
  margin-bottom: 0.7rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  content: "STEP " counter(step, decimal-leading-zero);
}

.steps h3 {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
  font-weight: 700;
}

.steps p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
}

.mistakes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 24rem), 1fr));
  gap: 0 3rem;
  margin: 0;
  padding: 0;
  counter-reset: mistake;
  list-style: none;
}

.mistakes li {
  position: relative;
  padding: 1.1rem 0 1.1rem 2.9rem;
  border-bottom: 1px solid var(--line-soft);
  counter-increment: mistake;
}

.mistakes li::before {
  position: absolute;
  top: 1.05rem;
  left: 0;
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.3;
  content: counter(mistake, decimal-leading-zero);
}

.mistakes strong {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

.mistakes p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
}

.log {
  margin: 0;
  padding: 0;
  list-style: none;
}

.log li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.2rem 2rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.log time {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.log .tag {
  display: inline-block;
  margin-right: 0.5rem;
  padding: 0.05rem 0.45rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  vertical-align: 0.1em;
}

.tag-ok {
  color: var(--ok);
}

.tag-hold {
  color: var(--hold);
}

.log p {
  max-width: 48em;
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
}

.two-col {
  display: grid;
  gap: 2rem 4rem;
}

.two-col .faq-list {
  max-width: none;
}

/* 문의 양식 */
.feedback-form {
  display: grid;
  gap: 1.1rem;
  max-width: 60rem;
}

.feedback-form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.feedback-submit,
.privacy-reset-button {
  min-height: 2.8rem;
  padding: 0 1.3rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.feedback-submit:hover,
.privacy-reset-button:hover {
  background: #2559c9;
}

.feedback-email-link {
  color: var(--text);
  font-weight: 600;
}

.feedback-status {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

/* 바닥글 */
.footer {
  border-top: 1px solid var(--line-soft);
  background: #ffffff;
}

.footer-inner {
  display: grid;
  gap: 1.2rem 3rem;
  width: var(--wrap);
  margin: 0 auto;
  padding: 2.2rem 0 3rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.footer-inner p {
  max-width: 44em;
  margin: 0.3rem 0 0;
}

.footer-inner strong {
  color: var(--text);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  gap: 0.5rem 1.4rem;
}

.footer-links a {
  color: var(--sub);
}

.footer-links a:hover {
  color: var(--text);
}

/* ---------- 반응형 ---------- */
@media (min-width: 760px) {
  .stat-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .log li {
    grid-template-columns: 9rem minmax(0, 1fr);
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .footer-links {
    justify-content: flex-end;
  }
}

@media (min-width: 1000px) {
  .tool-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 1.5rem;
  }

  .result-panel {
    position: sticky;
    top: calc(var(--topbar-h) + 1.25rem);
  }

  .group {
    grid-template-columns: 16rem minmax(0, 1fr);
  }

  .band-head {
    grid-template-columns: minmax(0, auto) minmax(0, 1fr);
    align-items: end;
  }

  .band-head p {
    justify-self: end;
    text-align: right;
  }

  .two-col {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (min-width: 1200px) {
  .doc {
    grid-template-columns: minmax(0, 1fr) 17rem;
    gap: 3.5rem;
  }

  .doc-aside {
    display: block;
  }

  .hero {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 4rem;
  }

  .stat-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1500px) {
  .doc {
    grid-template-columns: 13rem minmax(0, 1fr) 18rem;
    gap: 4rem;
  }

  .toc {
    display: block;
  }
}

/* 아주 넓은 화면: 틀을 더 넓히고 본문 열 사이 여백을 늘립니다 */
@media (min-width: 2400px) {
  :root {
    --wrap: min(92vw, 118rem);
  }

  .doc {
    grid-template-columns: 14rem minmax(0, 1fr) 20rem;
    gap: 5rem;
  }
}

@media (max-width: 759px) {
  :root {
    --wrap: calc(100vw - 32px);
    --topbar-h: 6.2rem;
  }

  .topbar-inner {
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 0.35rem;
  }

  .nav {
    margin: 0 -16px;
    padding: 0 16px;
  }

  .nav a {
    padding: 0.45rem 0.6rem;
  }

  .nav a:first-child {
    padding-left: 0;
  }

  .metrics div {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  }

  .result-panel {
    min-height: 0;
  }

  .data-table {
    min-width: 28rem;
    font-size: 0.86rem;
  }
}

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

  * {
    transition: none !important;
  }
}

/* 목록형 링크 카드(전체 목록, 404) */
.link-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 17rem), 1fr));
  gap: 0.9rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.doc-main .link-list li {
  max-width: none;
  margin: 0;
}

.link-list a,
.doc-main .link-list a:not(.card) {
  display: block;
  height: 100%;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--sub);
  text-decoration: none;
  transition: border-color 140ms ease;
}

.link-list a:hover,
.doc-main .link-list a:not(.card):hover {
  border-color: rgba(47, 111, 237, 0.55);
  color: var(--sub);
}

.link-list strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text);
  font-size: 1rem;
}

.link-list span {
  display: block;
  font-size: 0.86rem;
  line-height: 1.6;
}

.label-text {
  display: block;
}

.lead-sub {
  color: var(--muted);
  font-size: 0.98rem;
}

.page-head .lead + .lead-sub {
  margin-top: 0.7rem;
}

.metrics dd .num,
.result-main .num {
  white-space: inherit;
}

.group-count {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.05rem 0.5rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  vertical-align: 0.15em;
}

@media (max-width: 759px) {
  .card {
    padding: 1rem 1.05rem 0.95rem;
  }

  .card-title {
    margin: 0.3rem 0 0.35rem;
  }

  .card-foot {
    padding-top: 0.6rem;
  }

  .card-grid {
    gap: 0.7rem;
  }
}

/* 홈 대상·시작 안내 */
.audience {
  display: grid;
  gap: 0.6rem;
  max-width: 44em;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.audience li {
  padding-left: 0.9rem;
  border-left: 2px solid var(--accent);
  font-size: 0.92rem;
  line-height: 1.65;
}

.audience strong {
  display: block;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 700;
}