:root {
  --ink: #33272B;
  --ink-sub: #8A7A80;
  --paper: #FFFFFF;
  --paper-warm: #FFF6F2;
  --coral: #FF7A59;
  --accent: #E8536B;
  --accent-soft: #FDEDF0;
  --line: #EFE4E6;
}

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

html {
  background: var(--paper);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Zen Kaku Gothic New", "Hiragino Sans", sans-serif;
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

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

.site-header {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.site-header .inner {
  display: flex;
  width: min(calc(100% - 40px), 760px);
  margin-inline: auto;
  align-items: center;
  gap: 10px;
}

.site-header a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Sans", sans-serif;
  font-weight: 700;
  text-decoration: none;
}

.site-header img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

main {
  width: min(calc(100% - 40px), 760px);
  margin: 0 auto;
  padding: 48px 0 80px;
}

h1 {
  margin: 0 0 8px;
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Sans", sans-serif;
  font-size: clamp(1.6rem, 3.6vw, 2.1rem);
  font-weight: 700;
  line-height: 1.4;
}

.updated {
  margin: 0 0 36px;
  color: var(--ink-sub);
  font-size: 13px;
}

.lead {
  padding: 18px 22px;
  margin: 0 0 36px;
  border-radius: 14px;
  background: var(--paper-warm);
  font-size: 15px;
}

h2 {
  margin: 44px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Sans", sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
}

h3 {
  margin: 24px 0 6px;
  font-size: 1rem;
  font-weight: 700;
}

p,
ul,
ol {
  margin: 0 0 14px;
}

ul,
ol {
  padding-left: 1.5em;
}

li {
  margin-bottom: 4px;
}

table {
  width: 100%;
  margin: 0 0 14px;
  border-collapse: collapse;
  font-size: 15px;
}

th,
td {
  padding: 10px 12px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  width: 32%;
  background: var(--paper-warm);
  font-weight: 700;
}

.table-wrap {
  overflow-x: auto;
}

.note {
  color: var(--ink-sub);
  font-size: 14px;
}

footer {
  padding: 32px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--ink-sub);
  font-size: 13px;
  text-align: center;
}

footer a {
  margin: 0 8px;
  color: var(--ink-sub);
}