:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --ink: #16201c;
  --muted: #5b6862;
  --line: #e2e0d8;
  --accent: #0b7a57;
  --accent-ink: #ffffff;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111614;
    --surface: #18201d;
    --ink: #edf1ee;
    --muted: #a3afa9;
    --line: #2a3530;
    --accent: #4fd1a1;
    --accent-ink: #0d1512;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", Meiryo, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.9;
}

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

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

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

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 18px;
  padding-bottom: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.brand svg {
  width: 28px;
  height: 28px;
  flex: none;
}

.site-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 14px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
}

.hero {
  padding: 72px 0 56px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

h1 {
  margin: 0;
  font-size: clamp(28px, 6vw, 40px);
  line-height: 1.45;
  letter-spacing: 0.02em;
  text-wrap: balance;
}

.lead {
  margin: 20px 0 0;
  color: var(--muted);
  max-width: 34em;
}

section {
  padding: 40px 0;
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0 0 20px;
  font-size: 20px;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

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

.info > div {
  display: grid;
  grid-template-columns: 9em 1fr;
  gap: 4px 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.info dt {
  color: var(--muted);
  font-size: 14px;
}

.info dd {
  margin: 0;
}

.note {
  color: var(--muted);
  font-size: 13px;
}

.services {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.services li {
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.services h3 {
  margin: 0 0 4px;
  font-size: 16px;
  line-height: 1.6;
}

.services p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
}

.button {
  display: inline-block;
  margin-top: 16px;
  padding: 12px 22px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
}

.button:hover {
  filter: brightness(1.08);
}

.notice-empty {
  margin: 0;
  padding: 22px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.notices {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.notices li {
  display: grid;
  grid-template-columns: 9em 1fr;
  gap: 4px 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.notices time {
  color: var(--muted);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 13px;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 12px 24px;
  flex-wrap: wrap;
}

.site-footer a {
  color: var(--muted);
}

@media (max-width: 520px) {
  .hero {
    padding: 48px 0 40px;
  }

  .info > div,
  .notices li {
    grid-template-columns: 1fr;
  }
}