:root {
  color-scheme: light;
  font-family:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic UI',
    Meiryo, sans-serif;
  --ink: #152033;
  --muted: #5f6c80;
  --line: #dce4ef;
}
* {
  box-sizing: border-box;
}
html {
  background: #eef4fb;
}
body {
  min-width: 320px;
  min-height: 100svh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 0%, rgba(57, 120, 242, 0.12), transparent 34rem),
    linear-gradient(180deg, #fbfdff 0%, #edf3fa 100%);
  line-height: 1.8;
}
a {
  color: #1859d1;
  overflow-wrap: anywhere;
}
.document-page {
  background: #f5f8fc;
}
.app-logo-frame {
  display: flex;
  width: 112px;
  aspect-ratio: 1;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin: 0 auto 18px;
  border-radius: 26px;
  background: #fff;
  box-shadow: 0 20px 48px rgba(24, 50, 88, 0.16);
}
.app-logo-image {
  display: block;
  width: 100%;
  height: auto;
}
.app-logo {
  display: block;
  margin: 0 auto 18px;
  border-radius: 26px;
  box-shadow: 0 20px 48px rgba(24, 50, 88, 0.16);
}
.product-name {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}
.product-name span {
  margin-left: 0.35rem;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}
h1 {
  margin: 30px 0 0;
  font-size: clamp(2rem, 7vw, 3.35rem);
  line-height: 1.25;
  letter-spacing: -0.03em;
}
.maintenance-card > p:not(.product-name) {
  margin: 22px auto 0;
  color: var(--muted);
  font-size: 1rem;
}
.store-status {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}
.store-status span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  padding: 8px 14px;
  color: #435066;
  font-size: 0.84rem;
  font-weight: 700;
}
.contact-box {
  margin: 42px auto 0;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
  padding: 22px;
}
.contact-box h2 {
  margin: 0;
  font-size: 0.95rem;
}
.contact-box a {
  display: inline-block;
  margin-top: 6px;
  font-weight: 750;
}
.product-spotlight {
  margin: 18px auto 0;
  border: 1px solid #bfd0c7;
  border-radius: 20px;
  background: linear-gradient(135deg, #f7fff8 0%, #edf7f1 100%);
  padding: 24px;
  text-align: left;
}
.product-spotlight-label {
  margin: 0;
  color: #26705a;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}
.product-spotlight h2 {
  margin: 5px 0 0;
  font-size: 1.45rem;
}
.product-spotlight p:not(.product-spotlight-label) {
  margin: 7px 0 0;
  color: var(--muted);
}
.product-spotlight a {
  display: inline-flex;
  margin-top: 15px;
  border-radius: 999px;
  background: #153f35;
  color: #fff;
  padding: 8px 15px;
  font-size: 0.84rem;
  font-weight: 800;
  text-decoration: none;
}
footer {
  width: min(100% - 40px, 720px);
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding: 22px 0 30px;
  color: var(--muted);
  font-size: 0.75rem;
  text-align: center;
}

.document-page {
  background: #f5f8fc;
}
.document-header,
.document-main,
.document-footer {
  width: min(100% - 40px, 880px);
  margin-inline: auto;
}
.document-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
}
.document-brand {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}
.document-brand img {
  width: 120px;
  height: 30px;
  object-fit: contain;
}
.document-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}
.document-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: 8px;
  padding: 0 4px;
  font-size: 0.82rem;
  font-weight: 700;
}
.document-nav a[aria-current='page'] {
  color: var(--ink);
  background: #e8eef7;
  text-decoration: none;
}
.document-main {
  padding: 48px 0 72px;
}
.document-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.25;
}
.document-hero p {
  color: var(--muted);
}
.updated {
  font-size: 0.82rem;
}
.document-card {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  padding: clamp(22px, 5vw, 36px);
}
.document-card h2 {
  margin: 1.8rem 0 0.5rem;
  font-size: 1.25rem;
}
.document-card h2:first-child {
  margin-top: 0;
}
.document-card h3 {
  margin: 1.25rem 0 0.35rem;
  font-size: 1rem;
}
.document-card p,
.document-card li {
  color: #39465b;
}
.document-card ul,
.document-card ol {
  padding-left: 1.4rem;
}
.document-card dt {
  margin-top: 1rem;
  font-weight: 800;
}
.document-card dd {
  margin: 0.25rem 0 0;
  color: #39465b;
}
.document-card a[href^='mailto:'],
.document-card a[href^='tel:'],
.document-hero a[href^='mailto:'] {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.document-footer {
  border-top: 1px solid var(--line);
  padding: 22px 0 30px;
  color: var(--muted);
  font-size: 0.75rem;
}
@media (max-width: 640px) {
  .document-header {
    align-items: flex-start;
    flex-direction: column;
  }
  .document-nav {
    justify-content: flex-start;
  }
}