/* 空間分析 site — WordPress default-like theme */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  line-height: 1.7;
  color: #333;
  background: #fff;
}

a { color: #111; text-decoration: none; }
a:hover { color: #555; }

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: #000;
}

.header-top {
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.header-top-inner {
  display: flex;
  align-items: baseline;
  gap: 20px;
}

.site-branding {
  margin: 0;
}

.site-title {
  font-size: 24px;
  font-weight: 600;
  line-height: 1;
  margin: 0;
  letter-spacing: -0.3px;
}

.site-title a {
  color: #fff;
  text-decoration: none;
}

.site-title a:hover {
  color: #fff;
  text-decoration: none;
}

.site-title span {
  font-weight: 400;
  opacity: 0.4;
  margin-left: 8px;
  font-size: 13px;
}

.site-description {
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  margin: 0;
}

/* Navigation bar */
.header-nav {
  background: #000;
}

.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.main-nav ul li a {
  display: block;
  padding: 10px 18px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.6);
  text-align: center;
  text-decoration: none;
  position: relative;
  transition: color 0.2s;
}

.main-nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: #fff;
  transition: width 0.3s ease, left 0.3s ease;
}

.main-nav ul li a:hover {
  color: #fff;
  text-decoration: none;
}

.main-nav ul li a:hover::after {
  width: 100%;
  left: 0;
}

.main-nav ul li.current a {
  color: #fff;
}

.main-nav ul li.current a::after {
  width: 100%;
  left: 0;
}

/* Chick that follows your cursor on hover */
.main-nav ul li a .chick {
  display: inline-block;
  font-size: 0;
  width: 0;
  overflow: hidden;
  vertical-align: middle;
  transition: width 0.3s ease, font-size 0.3s ease, margin 0.3s ease;
}

.main-nav ul li a:hover .chick {
  font-size: 11px;
  width: 16px;
  margin-left: 4px;
}

.menu-toggle {
  display: none;
  width: 100%;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  background: #111;
  color: #fff;
  border: none;
  cursor: pointer;
  letter-spacing: 0.5px;
}

/* Main */
.site-main {
  background: #fff;
  padding: 40px 0;
  margin: 0;
}

/* Entry content */
.entry-header {
  margin-bottom: 30px;
  padding-bottom: 16px;
  border-bottom: 1px solid #e0e0e0;
}

.entry-title {
  font-size: 22px;
  font-weight: 600;
  color: #111;
  line-height: 1.4;
  letter-spacing: -0.3px;
}

.entry-meta {
  font-size: 12px;
  color: #999;
  margin-top: 6px;
}

.entry-content h1 { font-size: 20px; font-weight: 600; margin: 28px 0 12px; color: #111; }
.entry-content h2 { font-size: 18px; font-weight: 600; margin: 24px 0 10px; color: #111; }
.entry-content h3 { font-size: 16px; font-weight: 600; margin: 20px 0 8px; color: #111; }
.entry-content h4 { font-size: 15px; font-weight: 600; margin: 18px 0 8px; color: #222; }
.entry-content h5 { font-size: 14px; margin: 15px 0 8px; font-weight: 600; color: #222; }

.entry-content p {
  margin-bottom: 16px;
  color: #444;
}

.entry-content ul, .entry-content ol {
  margin: 0 0 18px 30px;
}

.entry-content ul { list-style: disc; }
.entry-content ol { list-style: decimal; }

.entry-content li {
  margin-bottom: 5px;
}

.entry-content img {
  max-width: 100%;
  height: auto;
  margin: 12px 0;
}

.entry-content figure {
  margin: 20px 0;
}

.entry-content figcaption {
  font-size: 13px;
  color: #777;
  margin-top: 5px;
  font-style: italic;
}

.entry-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 15px 0;
}

.entry-content table th,
.entry-content table td {
  padding: 8px 12px;
  border: 1px solid #ddd;
  text-align: left;
}

.entry-content table th {
  background: #f5f5f5;
  font-weight: 700;
}

.entry-content blockquote {
  border-left: 3px solid #ddd;
  padding: 8px 16px;
  margin: 15px 0;
  color: #666;
}

.entry-content strong { font-weight: 700; }
.entry-content em { font-style: italic; }

.entry-content .wp-block-columns {
  display: flex;
  gap: 20px;
  margin: 15px 0;
}

.entry-content .wp-block-column { flex: 1; }
.entry-content .has-text-align-center { text-align: center; }

.entry-content .wp-block-separator {
  border: none;
  border-top: 1px solid #ddd;
  margin: 25px 0;
}

/* Download box */
.entry-content .wp-block-file {
  background: #f9f9f9;
  border: 1px solid #ddd;
  padding: 15px;
  margin: 15px 0;
  border-radius: 4px;
}

.download-box {
  display: flex;
  align-items: center;
  gap: 15px;
  background: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 18px 20px;
  margin: 20px 0;
}

.download-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.download-info {
  flex: 1;
}

.download-info h4 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 4px;
  color: #333;
}

.download-meta {
  font-size: 12px;
  color: #888;
}

.download-btn {
  display: inline-block;
  background: #111;
  color: #fff !important;
  padding: 7px 18px;
  border-radius: 3px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none !important;
  transition: background 0.15s;
  flex-shrink: 0;
}

.download-btn:hover {
  background: #444;
}

/* TablePress tables */
table.tablepress {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}

table.tablepress th,
table.tablepress td {
  padding: 10px 14px;
  border: 1px solid #ddd;
  text-align: left;
  vertical-align: top;
  line-height: 1.5;
}

table.tablepress thead th {
  background: #111;
  color: #fff;
  font-weight: 600;
  font-size: 13px;
}

table.tablepress tbody tr:nth-child(even) {
  background: #f9f9f9;
}

table.tablepress tbody tr:hover {
  background: #e9f5fb;
}

/* Page navigation */
.page-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #ddd;
}

.page-nav a {
  font-weight: 700;
  font-size: 14px;
}

/* Index page cards */
.exercise-list {
  list-style: none;
}

.exercise-list li {
  border-bottom: 1px solid #eee;
}

.exercise-list li a {
  display: block;
  padding: 14px 0;
  font-size: 15px;
  font-weight: 600;
  color: #111;
}

.exercise-list li a:hover {
  color: #555;
  text-decoration: none;
}

.exercise-list li:last-child {
  border-bottom: none;
}

/* Footer */
.site-footer {
  background: #000;
  color: rgba(255,255,255,0.5);
  padding: 24px 0;
  margin-top: 40px;
  border-top: 1px solid #e0e0e0;
}

.footer-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 15px;
}

.footer-nav ul li a {
  color: #fff;
  font-size: 13px;
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 3px;
}

.footer-nav ul li a:hover {
  background: rgba(255,255,255,0.1);
  text-decoration: none;
}

.site-info {
  font-size: 13px;
  color: #999;
}

/* Responsive */
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .main-nav { display: none; }
  .main-nav.open { display: block; background: #111; }
  .main-nav ul { flex-direction: column; }
  .main-nav ul li a { text-align: left; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.06); padding: 10px 20px; }
  .main-nav ul li:last-child a { border-bottom: none; }
  .site-main { padding: 20px; }
  .entry-content .wp-block-columns { flex-direction: column; }
  .footer-nav ul { flex-direction: column; }
  .header-top { padding: 16px 0; }
  .site-title { font-size: 20px; }
  .download-box { flex-direction: column; text-align: center; }
}