:root {
  color-scheme: light;
  --background: #f7f4ef;
  --surface: #ffffff;
  --text: #22201e;
  --muted: #68635e;
  --border: #ded8d1;
  --accent: #a8444d;
  --focus: #2457c5;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--background);
  font-size: 16px;
  line-height: 1.75;
}

a {
  color: var(--accent);
  text-underline-offset: 0.18em;
}

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

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgb(255 255 255 / 92%);
}

.header-inner,
.page,
.site-footer {
  width: min(100% - 32px, 820px);
  margin-inline: auto;
}

.header-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  color: var(--text);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.header-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 18px;
  font-size: 14px;
}

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

.header-nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 700;
}

.page {
  padding-block: 56px 72px;
}

.lang-switch {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 13px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.35;
  letter-spacing: -0.025em;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 8vw, 48px);
}

h2 {
  margin: 42px 0 12px;
  padding-top: 4px;
  font-size: 23px;
}

h3 {
  margin: 24px 0 8px;
  font-size: 18px;
}

p,
ul,
ol {
  margin-block: 10px;
}

ul,
ol {
  padding-left: 1.4em;
}

.lead {
  max-width: 680px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 18px;
}

.meta {
  margin-top: 22px;
  color: var(--muted);
  font-size: 14px;
}

.panel {
  margin-top: 30px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}

.panel h2,
.panel h3 {
  margin-top: 0;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  margin-top: 12px;
  padding: 10px 18px;
  border-radius: 10px;
  color: #ffffff;
  background: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.link-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.link-card {
  min-height: 108px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  background: var(--surface);
  text-decoration: none;
}

.link-card strong,
.link-card span {
  display: block;
}

.link-card span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.notice {
  margin-top: 24px;
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  background: #fffaf8;
}

.terms-table {
  width: 100%;
  margin-top: 16px;
  border-collapse: collapse;
}

.terms-table th,
.terms-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.terms-table th {
  width: 34%;
  color: var(--muted);
  font-size: 14px;
}

.site-footer {
  padding-block: 24px 40px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 8px;
}

@media (max-width: 620px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 14px;
  }

  .header-nav {
    justify-content: flex-start;
  }

  .page {
    padding-block: 40px 56px;
  }

  .link-list {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 20px;
  }

  .terms-table,
  .terms-table tbody,
  .terms-table tr,
  .terms-table th,
  .terms-table td {
    display: block;
    width: 100%;
  }

  .terms-table th {
    padding-bottom: 0;
    border-bottom: 0;
  }
}