/*
  AITL Technical Docs – Clean / Minimal / Professional
*/

/* ========================================
   Base
======================================== */
.aitl-root {
  font-family: -apple-system, BlinkMacSystemFont, system-ui, "Segoe UI",
    Helvetica, Arial, sans-serif;
  font-weight: 400;
  line-height: 1.7;
  color: #24292e;
  background: #ffffff;
  margin: 0;
}

/* ========================================
   Layout
======================================== */
.wrapper.main-container {
  max-width: 980px;
  margin: 0 auto;
  padding: 2.2rem 1.4rem 3.5rem;
}

/* ========================================
   Markdown Body (核心)
======================================== */
.markdown-body {
  font-size: 16px;
}

/* ----------------------------------------
   Headings
---------------------------------------- */
.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  font-weight: 600;
  margin-top: 2.2rem;
  margin-bottom: 0.8rem;
  line-height: 1.35;
}

.markdown-body h1 {
  font-size: 1.9rem;
  border-bottom: 2px solid #d0d7de;
  padding-bottom: 0.35rem;
}

.markdown-body h2 {
  font-size: 1.45rem;
  border-bottom: 1px solid #d0d7de;
  padding-bottom: 0.25rem;
}

.markdown-body h3 {
  font-size: 1.2rem;
}

/* ----------------------------------------
   Text
---------------------------------------- */
.markdown-body p {
  margin: 0.9em 0;
}

.markdown-body ul,
.markdown-body ol {
  margin: 0.8em 0 0.8em 1.4em;
}

.markdown-body li {
  margin: 0.3em 0;
}

/* ----------------------------------------
   Tables（最重要）
---------------------------------------- */
.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.95rem;
  background: #ffffff;
}

.markdown-body th,
.markdown-body td {
  border: 1px solid #d0d7de;
  padding: 0.55em 0.85em;
  vertical-align: top;
}

.markdown-body th {
  background: #f6f8fa;
  font-weight: 600;
  text-align: left;
}

/* ----------------------------------------
   Code
---------------------------------------- */
.markdown-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;
  background: #f6f8fa;
  padding: 0.15em 0.35em;
  border-radius: 4px;
  border: 1px solid #d0d7de;
  font-size: 0.9em;
}

.markdown-body pre {
  background: #f6f8fa;
  border: 1px solid #d0d7de;
  border-radius: 6px;
  padding: 0.9rem 1.1rem;
  overflow-x: auto;
  margin: 1.2rem 0;
}

.markdown-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.95em;
}

/* ----------------------------------------
   Blockquote / Notes
---------------------------------------- */
.markdown-body blockquote {
  margin: 1.1em 0;
  padding: 0.7em 1em;
  border-left: 4px solid #0969da;
  background: #f6f8fa;
  color: #57606a;
}

/* ----------------------------------------
   Media
---------------------------------------- */
.markdown-body img,
.markdown-body svg,
.markdown-body video {
  max-width: 100%;
}

/* Mermaid 図を中央配置 */
.mermaid {
  display: flex;
  justify-content: center;
}