/*
Theme Name: PCラボ Gaming PC
Theme URI: https://example.com
Author:
Author URI:
Description: 白×ネオンを基調にした、ゲーミングPC投稿ギャラリー＋パーツ図鑑サイト「PCラボ」用テーマ。
Version: 4.0.0
Requires PHP: 7.4
Text Domain: gaming-pc-theme
*/

/* ==========================================================================
   Root tokens
   ========================================================================== */
:root {
  --bg: #f6f6f8;
  --surface: #ffffff;
  --surface-alt: #f6f6fb;
  --border: rgba(20, 20, 30, .10);
  --text: #16161f;
  --text-muted: #6b6b7a;
  --text-faint: #9a9aa8;
  --violet: #8b5cf6;
  --cyan: #06b6d4;
  --magenta: #ff3fa4;
  --grad: linear-gradient(135deg, var(--violet), var(--cyan));
  --grad-soft: linear-gradient(135deg, rgba(139, 92, 246, .10), rgba(6, 182, 212, .10));
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 92% 4%, rgba(139, 92, 246, .10), transparent 42%),
    radial-gradient(circle at 4% 96%, rgba(6, 182, 212, .10), transparent 42%);
  color: var(--text);
  font-family: "Shippori Mincho", "Noto Serif JP", "Hiragino Mincho ProN", serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: .01em; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

.serif-title {
  font-family: "Shippori Mincho", "Noto Serif JP", serif;
  font-weight: 700;
}

/* ==========================================================================
   Utility
   ========================================================================== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Shippori Mincho", serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .3em;
  color: var(--magenta);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--grad);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 32px;
  border-radius: 4px 18px 4px 18px;
  font-family: "Shippori Mincho", serif;
  font-weight: 700;
  font-size: 15.5px;
  letter-spacing: .05em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 12px 28px -10px rgba(139, 92, 246, .55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 32px -8px rgba(6, 182, 212, .5); }
.btn-outline {
  background: #fff;
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--magenta); color: var(--magenta); }
.btn-small { padding: 9px 18px; font-size: 13px; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), var(--cyan), var(--magenta));
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.site-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.site-logo .logo-main {
  font-family: "Shippori Mincho", serif;
  font-size: 21px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .06em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.site-logo .logo-sub {
  font-family: "Shippori Mincho", serif;
  font-size: 10.5px;
  letter-spacing: .18em;
  color: var(--text-faint);
  text-transform: uppercase;
  margin-top: 2px;
}
.site-nav { flex: 1; display: flex; justify-content: center; min-width: 0; }
.site-nav ul { display: flex; gap: 24px; flex-wrap: nowrap; }
.site-nav li { flex-shrink: 0; }
.site-nav a {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
  transition: color .2s ease;
}
.site-nav a:hover { color: var(--magenta); }
.has-tooltip { position: relative; }
.nav-tooltip {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  width: 220px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px 12px 4px 12px;
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-muted);
  text-align: center;
  box-shadow: 0 14px 30px -12px rgba(0, 0, 0, .5);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .15s ease, transform .15s ease;
  z-index: 50;
}
.nav-tooltip::before {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-bottom-color: var(--border);
}
.nav-tooltip::after {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(1px);
  border: 5px solid transparent;
  border-bottom-color: var(--surface);
}
.has-dropdown { position: relative; }
.nav-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  min-width: 200px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px 14px 4px 14px;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  box-shadow: 0 20px 40px -18px rgba(0, 0, 0, .28);
  transition: opacity .15s ease, transform .15s ease;
  z-index: 50;
}
.nav-dropdown::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -12px;
  height: 12px;
}
.nav-dropdown li { list-style: none; }
.nav-dropdown a {
  display: block;
  padding: 9px 12px;
  font-size: 13px;
  color: var(--text-muted);
  border-radius: 3px 10px 3px 10px;
  white-space: nowrap;
}
.nav-dropdown a:hover { background: var(--grad-soft); color: var(--violet); }
.has-dropdown:hover .nav-dropdown,
.has-dropdown:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.has-tooltip:hover .nav-tooltip,
.has-tooltip:focus-within .nav-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.header-cta { flex-shrink: 0; }
.header-auth { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.header-auth-link { font-size: 13px; color: var(--text-muted); white-space: nowrap; }
.header-auth-link:hover { color: var(--magenta); }
.nav-auth-only { display: none; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }

/* ==========================================================================
   サイトメニュー（画面左に固定・スクロール追従するハンバーガーボタン → 全ページへの導線パネル）
   ========================================================================== */
.site-menu-wrap {
  position: fixed;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 200;
}
.site-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  cursor: pointer;
  box-shadow: 0 10px 24px -14px rgba(0, 0, 0, .35);
  transition: border-color .2s ease, background .2s ease;
}
.site-menu-toggle:hover, .site-menu-toggle.is-open { border-color: var(--violet); background: var(--grad-soft); }
.site-menu-toggle-icon { display: flex; flex-direction: column; gap: 4px; }
.site-menu-toggle-icon span { width: 16px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.site-menu-toggle.is-open .site-menu-toggle-icon span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.site-menu-toggle.is-open .site-menu-toggle-icon span:nth-child(2) { opacity: 0; }
.site-menu-toggle.is-open .site-menu-toggle-icon span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.site-menu-toggle-label { display: none; }
.site-menu-panel[hidden] { display: none; }
.site-menu-panel {
  position: absolute;
  left: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 32px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px 18px 4px 18px;
  padding: 22px 26px;
  box-shadow: 0 24px 48px -18px rgba(0, 0, 0, .3);
  z-index: 200;
}
.site-menu-col { min-width: 168px; }
.site-menu-col h4 { font-family: "Shippori Mincho", serif; font-size: 13px; color: var(--violet); margin-bottom: 10px; white-space: nowrap; }
.site-menu-col ul { display: flex; flex-direction: column; gap: 2px; }
.site-menu-col li { list-style: none; }
.site-menu-col a { display: block; padding: 6px 4px; font-size: 13px; color: var(--text-muted); border-radius: 3px 8px 3px 8px; white-space: nowrap; }
.site-menu-col a:hover { background: var(--grad-soft); color: var(--violet); }

/* ==========================================================================
   Spec table（投稿詳細・パーツ図鑑で共通利用）
   ========================================================================== */
.spec-table-heading {
  font-family: "Shippori Mincho", serif;
  font-size: 19px;
  color: var(--text);
  margin: 40px 0 16px;
}
.spec-table-wrap { background: var(--surface-alt); border: 1px solid var(--border); border-radius: 6px 20px 6px 20px; overflow: hidden; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table thead th {
  text-align: left;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--text-faint);
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  background: #fff;
}
.spec-table td, .spec-table th { padding: 12px 18px; border-bottom: 1px solid var(--border); font-size: 13.5px; }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table a { color: var(--violet); font-weight: 600; }
.spec-table a:hover { color: var(--magenta); }
.spec-table-kv th { width: 200px; color: var(--text-faint); font-weight: 500; background: #fff; }
.amazon-link {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 2px 8px 2px 8px;
  background: #fff3cd;
  color: #8a6300;
  white-space: nowrap;
}

/* ==========================================================================
   パンくず / チップ / カテゴリバッジ 共通
   ========================================================================== */
.part-breadcrumb { display: flex; gap: 8px; align-items: center; font-size: 12.5px; color: var(--text-faint); margin: 130px 0 24px; }
.part-breadcrumb a { color: var(--text-muted); }
.part-breadcrumb a:hover { color: var(--magenta); }

.part-category-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 5px 14px;
  border-radius: 2px 10px 2px 10px;
  background: var(--grad);
  color: #fff;
  margin-bottom: 14px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { border-top: 1px solid var(--border); padding-top: 72px; background: var(--surface-alt); }
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand { display: flex; flex-direction: column; gap: 12px; }
.footer-brand .logo-main { font-size: 22px; }
.footer-brand p { color: var(--text-faint); font-size: 13px; max-width: 280px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-links h4 { color: var(--text); font-size: 13.5px; letter-spacing: .04em; margin-bottom: 16px; font-family: "Shippori Mincho", serif; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--text-faint); font-size: 13px; transition: color .2s ease; }
.footer-links a:hover { color: var(--magenta); }
.footer-links-parts { columns: 2; column-gap: 20px; }
.footer-links-parts li { break-inside: avoid; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
}
.footer-bottom p { color: var(--text-faint); font-size: 12px; margin: 0; }

/* ==========================================================================
   Comments（WP標準コメントの簡易スタイリング）
   ========================================================================== */
.post-comments { margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--border); }
.post-comments .comment-reply-title,
.post-comments h2, .post-comments h3 { font-family: "Shippori Mincho", serif; font-size: 19px; margin-bottom: 20px; }
.post-comments textarea, .post-comments input[type="text"], .post-comments input[type="email"], .post-comments input[type="url"] {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 4px 12px 4px 12px;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 13.5px;
  margin-bottom: 12px;
}
.post-comments .form-submit input { all: unset; }
.post-comments ol.comment-list { list-style: none; margin: 0; padding: 0; }
.post-comments .comment-body { padding: 16px 0; border-bottom: 1px solid var(--border); font-size: 13.5px; color: var(--text-muted); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 720px) {
  .site-nav, .header-cta, .header-auth { display: none; }
  .nav-toggle { display: flex; }
  .site-menu-wrap { left: 12px; }
  .site-menu-panel {
    position: fixed;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    flex-direction: column;
    gap: 20px;
    max-height: calc(100vh - 96px);
    overflow-y: auto;
    width: calc(100vw - 88px);
  }
  .site-nav.is-open {
    display: block;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 8px 0 16px;
  }
  .site-nav.is-open ul { flex-direction: column; gap: 0; }
  .site-nav.is-open a { display: block; padding: 14px 24px; }
  .nav-auth-only { display: block; border-top: 1px solid var(--border); margin-top: 6px; padding-top: 6px; }
  .nav-dropdown {
    position: static;
    display: block;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    border: none;
    box-shadow: none;
    border-radius: 0;
    padding: 0 0 0 16px;
    background: var(--surface-alt);
  }
  .nav-dropdown a { padding: 10px 24px; font-size: 13px; }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; }

  .spec-table thead { display: none; }
  .spec-table, .spec-table tbody, .spec-table tr, .spec-table td { display: block; width: 100%; }
  .spec-table tr { padding: 12px 16px; border-bottom: 1px solid var(--border); }
  .spec-table td { border-bottom: none; padding: 3px 0; }
  .spec-table td::before { content: attr(data-label) "："; color: var(--text-faint); font-size: 11.5px; }
  .spec-table-kv tr { padding: 0 16px; }
  .spec-table-kv th, .spec-table-kv td { display: block; padding: 6px 0; width: auto; }
  .spec-table-kv td::before { content: none; }
}