:root {
  color-scheme: light;
  --ink: #17201d;
  --muted: #6b716d;
  --paper: #f4f0e8;
  --line: #b9b2a6;
  --accent: #31584b;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, transparent 0 7%, rgb(23 32 29 / 4%) 7% 7.08%, transparent 7.08%),
    var(--paper);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro", serif;
  -webkit-font-smoothing: antialiased;
}

.page {
  display: grid;
  grid-template-rows: auto 1fr auto;
  width: min(100% - 48px, 1120px);
  min-height: 100svh;
  margin: 0 auto;
}

.site-header {
  display: grid;
  grid-template-columns: auto minmax(40px, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 34px 0 28px;
  border-bottom: 1px solid var(--line);
}

.company-name,
.site-label,
.site-footer p,
.section-number,
.status-label {
  margin: 0;
}

.company-name {
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.header-rule {
  height: 1px;
  background: var(--line);
}

.site-label,
.status-label {
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.65rem;
  letter-spacing: 0.19em;
}

.notice {
  align-self: center;
  width: min(100%, 850px);
  padding: 80px 0 96px;
}

.notice-heading {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  align-items: baseline;
  margin-bottom: 54px;
}

.section-number {
  color: var(--accent);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

h1,
h2 {
  margin: 0;
  font-weight: 500;
}

h1 {
  font-size: clamp(2.7rem, 7vw, 5.6rem);
  line-height: 1;
  letter-spacing: 0.11em;
}

.status-card {
  position: relative;
  margin-left: 70px;
  padding: 34px 38px 38px;
  border-top: 1px solid var(--ink);
  background: rgb(255 255 255 / 28%);
}

.status-card::after {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 68px;
  height: 68px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  content: "";
}

.status-label {
  margin-bottom: 28px;
}

.status-content {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 24px;
  align-items: start;
}

.status-mark {
  width: 8px;
  height: 8px;
  margin-top: 0.63rem;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 0 0 4px rgb(49 88 75 / 10%);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  letter-spacing: 0.09em;
}

.status-content p {
  max-width: 36rem;
  margin: 0;
  color: #4e5551;
  font-size: 0.96rem;
  line-height: 2;
  letter-spacing: 0.07em;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0 32px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: Georgia, "Yu Mincho", serif;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

@media (max-width: 640px) {
  body {
    background:
      linear-gradient(90deg, transparent 0 18px, rgb(23 32 29 / 4%) 18px 19px, transparent 19px),
      var(--paper);
  }

  .page {
    width: min(100% - 36px, 1120px);
  }

  .site-header {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-top: 26px;
  }

  .header-rule {
    display: none;
  }

  .notice {
    padding: 72px 0 84px;
  }

  .notice-heading {
    grid-template-columns: 28px 1fr;
    gap: 10px;
    margin-bottom: 42px;
  }

  h1 {
    font-size: clamp(2.5rem, 14vw, 4.2rem);
  }

  .status-card {
    margin-left: 0;
    padding: 28px 24px 32px;
  }

  .site-footer {
    display: grid;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .site-header,
  .notice-heading,
  .status-card {
    animation: enter 700ms both;
  }

  .notice-heading {
    animation-delay: 90ms;
  }

  .status-card {
    animation-delay: 180ms;
  }
}

@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media print {
  body {
    background: #fff;
  }

  .page {
    width: 100%;
  }

  .status-card {
    background: transparent;
  }
}
