:root {
  --canvas: #FFFDF6;
  --surface: #FFFFFF;
  --ink: #1A1A1A;
  --soft-ink: #3A372F;
  --muted-ink: #5E5A50;
  --line: #ECE6D6;
  --border: #D6CFBE;
  --marker: #FFE066;
  --marker-soft: #FFF3C4;
  --primary-text: #946600;
  --danger: #C8341B;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: 'IBM Plex Sans KR', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  font-size: 18px;
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px 72px;
}

header {
  border-bottom: 2px solid var(--ink);
  padding-bottom: 16px;
  margin-bottom: 8px;
}

.app-name {
  margin: 0 0 6px;
  color: var(--primary-text);
  font-size: 16px;
  font-weight: 700;
}

h1 {
  display: inline;
  margin: 0;
  font-size: 30px;
  line-height: 1.4;
  background: linear-gradient(transparent 58%, var(--marker) 58%, var(--marker) 92%, transparent 92%);
}

.effective {
  margin: 10px 0 0;
  color: var(--muted-ink);
  font-size: 16px;
}

h2 {
  margin: 40px 0 8px;
  font-size: 21px;
  line-height: 1.45;
}

h3 {
  margin: 24px 0 4px;
  font-size: 18px;
}

p, ul, ol { margin: 8px 0; }

ul, ol { padding-left: 1.3em; }

li + li { margin-top: 4px; }

a { color: var(--ink); text-underline-offset: 3px; }

strong { font-weight: 700; }

.muted { color: var(--muted-ink); font-size: 16px; }

table {
  width: 100%;
  margin: 12px 0;
  border-collapse: collapse;
  font-size: 16px;
}

th, td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  border-bottom: 1.5px solid var(--ink);
  font-weight: 700;
  white-space: nowrap;
}

.box {
  margin: 16px 0;
  padding: 18px 20px;
  background: var(--surface);
  border: 1.5px solid var(--ink);
  border-radius: 14px;
}

.box > :first-child { margin-top: 0; }
.box > :last-child { margin-bottom: 0; }

.note {
  margin: 16px 0;
  padding: 14px 18px;
  background: var(--marker-soft);
  border-radius: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 56px;
  margin-top: 8px;
  padding: 0 24px;
  background: #FFD43B;
  border-radius: 14px;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.button:active { background: #F2C21C; }

.links {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}

.links li { border-bottom: 1px solid var(--line); margin: 0; }

.links a {
  display: block;
  padding: 16px 0;
  font-size: 20px;
  text-decoration: none;
}

footer {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted-ink);
  font-size: 15px;
}