:root {
  --primary: #4A4A1B;
  --primary-dark: #35350f;
  --accent: #C9D64F;
  --accent-dark: #8a9424;
  --ink: #232310;
  --paper: #FBFBF3;
  --paper-alt: #F2F2E0;
  --line: #DADAB8;
  --focus: #1a1a0a;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans KR", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  font-display: swap;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--primary-dark);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* header */
.site-header {
  background: var(--primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  min-height: 44px;
}

.brand-mark {
  display: inline-flex;
  color: var(--accent);
}

.main-nav {
  margin-left: auto;
  display: none;
}

.main-nav ul {
  display: flex;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: #F3F3DE;
  text-decoration: none;
  font-size: 0.95rem;
  padding: 12px 2px;
  display: inline-block;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--accent);
}

.header-cta {
  background: var(--accent);
  color: var(--focus);
  text-decoration: none;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.9rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.header-cta:hover {
  background: var(--accent-dark);
  color: #fff;
}

@media (min-width: 768px) {
  .main-nav {
    display: block;
  }
}

/* page shell: left fixed tab nav + right content column */
.page-shell {
  max-width: 1280px;
  margin: 0 auto;
  display: block;
  padding: 0 20px;
}

.tab-nav {
  background: var(--primary);
  color: #F3F3DE;
  border-radius: 12px;
  margin-top: 24px;
  padding: 16px 12px;
}

.tab-nav-label {
  margin: 0 0 8px;
  padding: 0 8px;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
}

.tab-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.tab-nav a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 12px;
  color: #F3F3DE;
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.95rem;
}

.tab-nav a:hover {
  background: rgba(201, 214, 79, 0.18);
  color: var(--accent);
}

.content-col {
  padding: 24px 0 40px;
  min-width: 0;
}

@media (min-width: 1024px) {
  .page-shell {
    display: flex;
    align-items: flex-start;
    gap: 32px;
  }

  .tab-nav {
    position: sticky;
    top: 84px;
    width: 220px;
    flex: 0 0 220px;
    margin-top: 40px;
  }

  .tab-nav ul {
    flex-direction: column;
  }

  .content-col {
    flex: 1;
    min-width: 0;
    padding-top: 40px;
  }
}

/* hero */
.hero {
  display: grid;
  gap: 20px;
}

.eyebrow {
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  margin: 0 0 8px;
}

h1 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  margin: 0 0 12px;
  color: var(--focus);
  line-height: 1.3;
}

.lede {
  font-size: 1.05rem;
  color: #3a3a20;
  margin: 0;
}

.hero-figure {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper-alt);
}

.hero-figure img {
  width: 100%;
}

.hero-figure figcaption {
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--primary-dark);
  background: var(--paper-alt);
}

@media (min-width: 768px) {
  .hero {
    grid-template-columns: 1.1fr 1fr;
    align-items: center;
  }
}

/* sections */
.rule {
  border: none;
  border-top: 1px solid var(--line);
  margin: 32px 0;
  height: 1px;
}

h2 {
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  color: var(--focus);
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--accent);
  display: inline-block;
}

.section p {
  margin: 0 0 14px;
}

.situation-list,
.caution-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.situation-list li,
.caution-list li {
  background: var(--paper-alt);
  border-left: 4px solid var(--accent-dark);
  border-radius: 6px;
  padding: 12px 14px;
}

.caution-list li strong {
  color: var(--primary-dark);
}

/* table */
.table-wrap {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--line);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

caption {
  text-align: left;
}

th,
td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

thead th {
  background: var(--primary);
  color: #fff;
}

tbody tr:nth-child(even) {
  background: var(--paper-alt);
}

@media (max-width: 640px) {
  .table-wrap {
    border: none;
  }

  table,
  thead,
  tbody,
  th,
  td,
  tr {
    display: block;
    min-width: 0;
  }

  thead {
    display: none;
  }

  tbody tr {
    background: var(--paper-alt);
    border: 1px solid var(--line);
    border-radius: 10px;
    margin-bottom: 12px;
    padding: 8px 12px;
  }

  td {
    border: none;
    padding: 6px 2px;
  }

  td::before {
    content: attr(data-label);
    display: block;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--primary-dark);
  }
}

/* gallery */
.gallery-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.gallery-grid figure {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper-alt);
}

.gallery-grid figcaption {
  padding: 10px 12px;
  font-size: 0.85rem;
  color: var(--primary-dark);
}

@media (min-width: 480px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* related + cta */
.related-section p {
  background: var(--paper-alt);
  border-radius: 10px;
  padding: 16px;
}

.cta-section {
  margin-top: 32px;
  background: var(--primary);
  color: #fff;
  border-radius: 14px;
  padding: 28px 24px;
  text-align: center;
}

.cta-section h2 {
  color: #fff;
  border-bottom-color: var(--accent);
}

.cta-section p {
  color: #F0F0DC;
  max-width: 520px;
  margin: 0 auto 18px;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 28px;
  background: var(--accent);
  color: var(--focus);
  text-decoration: none;
  font-weight: 700;
  border-radius: 999px;
  font-size: 1.05rem;
}

.cta-button:hover {
  background: var(--accent-dark);
  color: #fff;
}

/* footer */
footer {
  background: var(--focus);
  color: #E7E7CC;
  padding: 32px 20px 24px;
  margin-top: 12px;
}

footer nav {
  max-width: 1280px;
  margin: 0 auto 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

footer nav a {
  color: #E7E7CC;
  text-decoration: none;
  font-size: 0.9rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

footer nav a:hover {
  color: var(--accent);
}

footer address {
  max-width: 1280px;
  margin: 0 auto;
  font-style: normal;
  font-size: 0.88rem;
  line-height: 1.8;
  color: #C7C7A8;
  border-top: 1px solid #4a4a30;
  padding-top: 16px;
}

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

footer p {
  max-width: 1280px;
  margin: 16px auto 0;
  font-size: 0.8rem;
  color: #9c9c80;
}

@media (min-width: 1280px) {
  .content-col {
    max-width: 900px;
  }
}