:root {
  --bg: #F4F3F0; --card: #FFFFFF; --card2: #EFEEEA;
  --label: #16161A; --secondary: rgba(60,60,67,.72); --tertiary: rgba(60,60,67,.34);
  --separator: rgba(60,60,67,.18);
  --accent: #8A6A22; --accent-soft: rgba(138,106,34,.11);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0E0E11; --card: #1A1A20; --card2: #24242B;
    --label: #F5F5F7; --secondary: rgba(235,235,245,.62); --tertiary: rgba(235,235,245,.35);
    --separator: rgba(120,120,138,.26);
    --accent: #D4A85C; --accent-soft: rgba(212,168,92,.16);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--label);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP",
               "Segoe UI", Roboto, sans-serif;
  font-size: 17px; line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 44rem; margin: 0 auto; padding: 0 1.25rem 5rem; }

header.site {
  border-bottom: 1px solid var(--separator); margin-bottom: 2.5rem;
  background: var(--card);
}
header.site .wrap { padding-top: 1rem; padding-bottom: 1rem; }
.brand {
  display: inline-flex; align-items: center; gap: .6rem;
  text-decoration: none; color: var(--label); font-weight: 700; font-size: 1.05rem;
  letter-spacing: .01em;
}
.brand img { width: 30px; height: 30px; border-radius: 7px; display: block; }
nav.site { margin-top: .35rem; display: flex; flex-wrap: wrap; gap: 1.1rem; }
nav.site a {
  color: var(--secondary); text-decoration: none; font-size: .92rem;
  padding: .35rem 0; min-height: 44px; display: inline-flex; align-items: center;
}
nav.site a:hover, nav.site a[aria-current="page"] { color: var(--accent); }

h1 { font-size: 1.9rem; line-height: 1.4; margin: 0 0 .4rem; letter-spacing: -.01em; }
h2 { font-size: 1.25rem; line-height: 1.5; margin: 2.6rem 0 .6rem;
     padding-top: 1.4rem; border-top: 1px solid var(--separator); }
h3 { font-size: 1.05rem; margin: 1.8rem 0 .4rem; color: var(--secondary); }
h2:first-of-type { border-top: 0; padding-top: 0; }
p, li { color: var(--label); }
a { color: var(--accent); }
strong { font-weight: 700; }
hr { border: 0; border-top: 1px solid var(--separator); margin: 2.2rem 0; }
ol, ul { padding-left: 1.4rem; }
li { margin: .35rem 0; }
li > ul, li > ol { margin: .35rem 0; }

table { border-collapse: collapse; width: 100%; margin: 1.2rem 0; font-size: .95rem; }
td { border-top: 1px solid var(--separator); padding: .7rem .6rem; vertical-align: top; }
td:first-child { width: 42%; color: var(--secondary); }
thead { display: none; }

blockquote {
  margin: 1.2rem 0; padding: .8rem 1rem; border-left: 3px solid var(--accent);
  background: var(--accent-soft); border-radius: 0 10px 10px 0;
}
blockquote p { margin: .3rem 0; font-size: .95rem; }

.meta { color: var(--secondary); font-size: .9rem; margin: 0 0 2rem; }
.lede { font-size: 1.1rem; color: var(--secondary); margin: 0 0 2rem; }

.cards { display: grid; gap: .9rem; margin: 2rem 0; }
.card {
  background: var(--card); border: 1px solid var(--separator); border-radius: 14px;
  padding: 1.1rem 1.2rem; text-decoration: none; color: var(--label); display: block;
}
.card:hover { border-color: var(--accent); }
.card b { display: block; font-size: 1.02rem; margin-bottom: .2rem; }
.card span { color: var(--secondary); font-size: .92rem; line-height: 1.6; }

.formbox {
  background: var(--card); border: 1px solid var(--separator); border-radius: 14px;
  overflow: hidden; margin: 1.5rem 0;
}
.formbox iframe { width: 100%; height: 1100px; border: 0; display: block; background: #fff; }

footer.site {
  border-top: 1px solid var(--separator); margin-top: 4rem; padding-top: 1.5rem;
  color: var(--tertiary); font-size: .85rem;
}
footer.site a { color: var(--secondary); text-decoration: none; }