/* Raytonica Help — minimal placeholder CSS.
   Replace with LP-aligned styles once branding is finalized. */

:root {
  --color-bg: #ffffff;
  --color-text: #1d1d1f;
  --color-text-secondary: #6e6e73;
  --color-border: #d2d2d7;
  --color-accent: #0066cc;
  --color-code-bg: #f5f5f7;
  --container-max: 760px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  --font-mono: "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-title {
  font-weight: 600;
  font-size: 18px;
  color: var(--color-text);
  text-decoration: none;
}

.lang-switcher {
  display: flex;
  gap: 16px;
  font-size: 14px;
}

.lang-switcher a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.lang-switcher a:hover {
  color: var(--color-accent);
}

.lang-switcher .active {
  color: var(--color-text);
  font-weight: 600;
}

.content {
  padding: 32px 24px 64px;
}

.content h1 {
  font-size: 32px;
  margin: 0 0 24px;
  letter-spacing: -0.01em;
}

.content h2 {
  font-size: 24px;
  margin: 48px 0 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  letter-spacing: -0.01em;
}

.content h3 {
  font-size: 18px;
  margin: 32px 0 12px;
}

.content h4 {
  font-size: 16px;
  margin: 24px 0 8px;
}

.content p { margin: 12px 0; }

.content a {
  color: var(--color-accent);
  text-decoration: none;
}
.content a:hover { text-decoration: underline; }

.content ul, .content ol {
  padding-left: 24px;
}

.content li { margin: 6px 0; }

.content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--color-code-bg);
}

.content pre {
  background: var(--color-code-bg);
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
}

.content pre code {
  background: none;
  padding: 0;
}

.content blockquote {
  margin: 16px 0;
  padding: 12px 16px;
  border-left: 4px solid var(--color-accent);
  background: var(--color-code-bg);
  color: var(--color-text-secondary);
}

.content blockquote p { margin: 4px 0; }

.content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}

.content th, .content td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.content th {
  background: var(--color-code-bg);
  font-weight: 600;
}

.content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 32px 0;
}

/* 区切り線の直後の見出しは自分の線を出さない（線が 2 重にならないように） */
.content hr + h2 {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
  color: var(--color-text-secondary);
  font-size: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1d1d1f;
    --color-text: #f5f5f7;
    --color-text-secondary: #a1a1a6;
    --color-border: #424245;
    --color-accent: #2997ff;
    --color-code-bg: #2c2c2e;
  }
}

@media (max-width: 600px) {
  .content h1 { font-size: 26px; }
  .content h2 { font-size: 20px; }
  .content table { font-size: 13px; }
}