/*
Theme Name: Cocoon Child
Template:   cocoon-master
Version:    1.0.0
*/

/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ===== WordPress / Cocoon 干渉リセット ===== */
html, body {
  margin: 0 !important;
  padding: 0 !important;
  overflow-x: hidden;
}
html { margin-top: 0 !important; scroll-behavior: smooth; }

.admin-bar html,
.admin-bar body { margin-top: 0 !important; padding-top: 0 !important; }

#wrapper,
#container,
#contents,
#main,
#content,
.wrap,
.site-content,
.content-area {
  margin: 0 !important;
  padding: 0 !important;
  max-width: 100% !important;
  width: 100% !important;
  float: none !important;
}

/* blog-mainはCocoonリセットの対象外にする */
.blog-main-outer,
.blog-main {
  max-width: revert !important;
  width: revert !important;
  margin: revert !important;
  padding: revert !important;
}

#header,
#footer,
.site-header,
.site-footer,
#cocoon-header,
#cocoon-footer {
  display: none !important;
}

.entry-content,
.singular-entry-content,
article.entry {
  margin: 0 !important;
  padding: 0 !important;
  max-width: 100% !important;
}

#sidebar,
.sidebar,
#right-sidebar,
#left-sidebar {
  display: none !important;
}

.wp-block-group,
.wp-block-cover,
.wp-site-blocks {
  padding: 0 !important;
  margin: 0 !important;
}

/* ===== CSS変数 ===== */
:root {
  --blue: #2563eb;
  --blue-light: #dbeafe;
  --sky: #0ea5e9;
  --text: #0f172a;
  --text2: #334155;
  --text3: #64748b;
  --white: #ffffff;
  --gray: #f8fafc;
  --gray2: #f1f5f9;
  --border: #e2e8f0;
  --green: #10b981;
  --orange: #f59e0b;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans JP', sans-serif;
  background: var(--white);
  color: var(--text);
  line-height: 1.6;
  letter-spacing: 0.01em;
}

/* ===== NAV ===== */
nav#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px; height: 72px;
  transition: all 0.3s;
}
nav#nav.scrolled {
  background: rgba(255,255,255,0.95);
  box-shadow: 0 4px 24px rgba(15,23,42,0.06);
}
.logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; transition: transform 0.2s;
}
.logo:hover { transform: translateY(-1px); }
.logo-txt {
  font-size: 22px; font-weight: 800;
  color: var(--text); letter-spacing: -0.5px;
}
.nav-menu { display: flex; gap: 40px; list-style: none; }
.nav-menu a {
  text-decoration: none; color: var(--text2);
  font-size: 15px; font-weight: 500;
  position: relative; transition: color 0.2s;
}
.nav-menu a::after {
  content: ''; position: absolute;
  bottom: -8px; left: 0; right: 0;
  height: 2px; background: var(--blue);
  transform: scaleX(0); transition: transform 0.3s;
}
.nav-menu a:hover { color: var(--blue); }
.nav-menu a:hover::after,
.nav-menu a.current-menu-item::after { transform: scaleX(1); }
.nav-menu a.current-menu-item { color: var(--blue); font-weight: 700; }
.nav-btns { display: flex; gap: 12px; align-items: center; }
.btn {
  padding: 11px 24px; border-radius: 8px;
  font-size: 14px; font-weight: 600;
  cursor: pointer; border: none; transition: all 0.2s;
  display: inline-flex; align-items: center; gap: 8px;
  text-decoration: none;
}
.btn-text { background: transparent; color: var(--text2); }
.btn-text:hover { background: var(--gray2); color: var(--text); }
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--sky));
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37,99,235,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37,99,235,0.4);
}

/* ===== HAMBURGER ===== */
.hamburger {
  display: none;
  flex-direction: column; justify-content: center;
  align-items: center; gap: 5px;
  width: 40px; height: 40px;
  background: transparent; border: none; cursor: pointer;
  padding: 4px; border-radius: 8px; transition: background 0.2s;
  position: relative; z-index: 1200;
}
.hamburger:hover { background: var(--gray2); }
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== OVERLAY ===== */
.nav-overlay {
  position: fixed; inset: 0;
  background: rgba(15,23,42,0.4);
  backdrop-filter: blur(4px);
  z-index: 1050;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
}
.nav-overlay.show { opacity: 1; pointer-events: auto; }

/* ===== MOBILE MENU ===== */
.mobile-menu {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: 280px; max-width: 85vw;
  background: var(--white);
  z-index: 1080;
  padding: 80px 28px 40px;
  box-shadow: -8px 0 40px rgba(15,23,42,0.12);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto; pointer-events: none;
}
.mobile-menu.open { transform: translateX(0); pointer-events: auto; }
.mobile-nav-links { list-style: none; margin-bottom: 32px; }
.mobile-nav-links li { border-bottom: 1px solid var(--border); }
.mobile-nav-links li:first-child { border-top: 1px solid var(--border); }
.mobile-nav-links a {
  display: block; padding: 16px 4px;
  font-size: 16px; font-weight: 600;
  color: var(--text2); text-decoration: none; transition: color 0.2s;
}
.mobile-nav-links a:hover { color: var(--blue); }
.mobile-nav-btns { display: flex; flex-direction: column; gap: 10px; }
.mobile-btn {
  display: flex; align-items: center; justify-content: center;
  padding: 13px 24px; border-radius: 10px;
  font-size: 15px; font-weight: 700;
  cursor: pointer; text-decoration: none; border: none;
  transition: all 0.2s; font-family: inherit;
}
.mobile-btn-outline {
  background: transparent; color: var(--text2);
  border: 1.5px solid var(--border);
}
.mobile-btn-outline:hover { background: var(--gray2); color: var(--text); }
.mobile-btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--sky));
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37,99,235,0.3);
}
.mobile-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37,99,235,0.4);
}

/* ===== FOOTER ===== */
footer#site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 80px 48px 40px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 64px;
}
.footer-brand .logo-txt { color: #fff; }
.footer-brand p {
  font-size: 14px; color: #94a3b8;
  line-height: 1.85; margin-top: 16px;
}
.footer-col h5 {
  font-size: 13px; font-weight: 700; color: #94a3b8;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 20px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 14px; }
.footer-col ul li a {
  text-decoration: none; color: #cbd5e1;
  font-size: 14px; transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--sky); }
.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 32px;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-bottom p { font-size: 13px; color: #64748b; }

/* ===== 投稿詳細ページ ===== */
.single-post-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 112px 48px 100px;
}
.single-post-header { margin-bottom: 40px; }
.single-post-cat {
  display: inline-block;
  font-size: 11px; font-weight: 700;
  padding: 4px 12px; border-radius: 100px;
  background: var(--blue-light); color: var(--blue);
  text-decoration: none; margin-bottom: 16px;
}
.single-post-title {
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 900; color: var(--text);
  line-height: 1.4; letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.single-post-meta {
  display: flex; align-items: center; gap: 16px;
  font-size: 13px; color: var(--text3);
}
.single-post-meta img {
  width: 28px; height: 28px;
  border-radius: 50%; object-fit: cover;
}
.single-post-thumb {
  width: 100%; border-radius: 12px;
  margin-bottom: 40px; display: block;
  aspect-ratio: 16 / 9; object-fit: cover;
}
.single-post-content {
  font-size: 16px; color: var(--text2);
  line-height: 1.9;
}
.single-post-content h2 {
  font-size: 22px; font-weight: 800; color: var(--text);
  margin: 48px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--blue-light);
}
.single-post-content h3 {
  font-size: 18px; font-weight: 700; color: var(--text);
  margin: 32px 0 12px;
}
.single-post-content p { margin-bottom: 20px; }
.single-post-content a { color: var(--blue); }
.single-post-content img {
  max-width: 100%; border-radius: 8px; margin: 8px 0;
}
.single-post-content ul,
.single-post-content ol {
  padding-left: 24px; margin-bottom: 20px;
}
.single-post-content li { margin-bottom: 8px; }
.single-post-content blockquote {
  border-left: 3px solid var(--blue);
  padding: 12px 20px;
  background: var(--gray);
  border-radius: 0 8px 8px 0;
  margin: 24px 0;
  color: var(--text2);
}
.single-post-nav {
  display: flex; justify-content: space-between; gap: 16px;
  margin-top: 64px; padding-top: 40px;
  border-top: 1px solid var(--border);
}
.post-nav-btn {
  flex: 1; padding: 16px 20px;
  border: 1px solid var(--border); border-radius: 12px;
  text-decoration: none; color: var(--text2);
  font-size: 14px; font-weight: 600;
  transition: all 0.2s; background: var(--white);
  display: flex; flex-direction: column; gap: 6px;
}
.post-nav-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-light);
}
.post-nav-btn span { font-size: 11px; color: var(--text3); font-weight: 400; }
.post-nav-btn.next { text-align: right; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  nav#nav { padding: 0 24px; height: 64px; }
  .nav-menu { display: none; }
  .nav-btns { display: none; }
  .hamburger { display: flex; }
  footer#site-footer { padding: 56px 24px 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; margin-bottom: 40px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .single-post-wrap { padding: 96px 24px 72px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .single-post-nav { flex-direction: column; }
}