/*
Theme Name: Career Blue Lite
Theme URI: https://example.com/career-blue-lite
Author: ChatGPT
Author URI: https://example.com
Description: 転職・人材系メディア向けの、青基調でシンプルかつ軽量なWordPressクラシックテーマです。トップページ20記事表示、投稿ページ、カテゴリページ、固定ページに対応しています。
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: career-blue-lite
Tags: blog, news, one-column, two-columns, custom-menu, featured-images, translation-ready
*/

:root {
  --cbl-blue-900: #0b2f6b;
  --cbl-blue-800: #0f3f8f;
  --cbl-blue-700: #1557c0;
  --cbl-blue-600: #1d6eea;
  --cbl-blue-100: #eaf2ff;
  --cbl-blue-50: #f5f9ff;
  --cbl-gray-900: #172033;
  --cbl-gray-700: #4d5b73;
  --cbl-gray-500: #7a8799;
  --cbl-gray-200: #e5eaf2;
  --cbl-gray-100: #f3f6fa;
  --cbl-white: #ffffff;
  --cbl-shadow: 0 12px 28px rgba(11, 47, 107, 0.08);
  --cbl-radius: 18px;
  --cbl-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--cbl-gray-900);
  background: var(--cbl-white);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.01em;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

a {
  color: var(--cbl-blue-700);
  text-decoration: none;
}

a:hover,
a:focus {
  color: var(--cbl-blue-900);
  text-decoration: underline;
}

button,
input,
textarea,
select {
  font: inherit;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--cbl-gray-200);
  border-radius: 12px;
  padding: 12px 14px;
  background: var(--cbl-white);
  color: var(--cbl-gray-900);
}

input:focus,
textarea:focus,
select:focus {
  outline: 3px solid rgba(29, 110, 234, 0.18);
  border-color: var(--cbl-blue-600);
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 16px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--cbl-white);
  background: var(--cbl-blue-900);
  border-radius: 10px;
}

.skip-link:focus {
  top: 16px;
}

.cbl-container {
  width: min(100% - 32px, var(--cbl-width));
  margin-inline: auto;
}

.cbl-site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--cbl-gray-200);
  backdrop-filter: blur(10px);
}

.cbl-header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.cbl-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--cbl-gray-900);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.cbl-brand:hover,
.cbl-brand:focus {
  color: var(--cbl-gray-900);
  text-decoration: none;
}

.cbl-brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  color: var(--cbl-white);
  background: linear-gradient(135deg, var(--cbl-blue-700), var(--cbl-blue-900));
  box-shadow: 0 8px 18px rgba(21, 87, 192, 0.22);
}

.cbl-site-description {
  margin: 0;
  color: var(--cbl-gray-500);
  font-size: 0.82rem;
  line-height: 1.4;
}

.cbl-header-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.cbl-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.cbl-menu li {
  position: relative;
}

.cbl-menu a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--cbl-gray-700);
  font-size: 0.94rem;
  font-weight: 700;
}

.cbl-menu a:hover,
.cbl-menu a:focus,
.cbl-menu .current-menu-item > a,
.cbl-menu .current_page_item > a {
  color: var(--cbl-blue-800);
  background: var(--cbl-blue-100);
  text-decoration: none;
}

.cbl-menu .sub-menu {
  position: absolute;
  top: 100%;
  right: 0;
  width: 220px;
  display: none;
  margin: 0;
  padding: 8px;
  list-style: none;
  border: 1px solid var(--cbl-gray-200);
  border-radius: 14px;
  background: var(--cbl-white);
  box-shadow: var(--cbl-shadow);
}

.cbl-menu li:hover > .sub-menu,
.cbl-menu li:focus-within > .sub-menu {
  display: block;
}

.cbl-menu .sub-menu a {
  width: 100%;
  justify-content: flex-start;
  border-radius: 10px;
}

.cbl-mobile-menu-summary {
  display: none;
  cursor: pointer;
  color: var(--cbl-blue-800);
  font-weight: 800;
}

.cbl-hero {
  padding: 56px 0 42px;
  background:
    radial-gradient(circle at top left, rgba(29, 110, 234, 0.18), transparent 32%),
    linear-gradient(180deg, var(--cbl-blue-50), var(--cbl-white));
  border-bottom: 1px solid var(--cbl-gray-200);
}

.cbl-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
  gap: 32px;
  align-items: center;
}

.cbl-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--cbl-blue-900);
  background: var(--cbl-white);
  border: 1px solid rgba(29, 110, 234, 0.16);
  font-size: 0.88rem;
  font-weight: 800;
}

.cbl-hero-title {
  margin: 0 0 18px;
  color: var(--cbl-gray-900);
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.22;
  letter-spacing: -0.04em;
}

.cbl-hero-title span {
  color: var(--cbl-blue-700);
}

.cbl-hero-lead {
  max-width: 680px;
  margin: 0 0 24px;
  color: var(--cbl-gray-700);
  font-size: 1.05rem;
}

.cbl-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.cbl-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  line-height: 1.2;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.cbl-button:hover,
.cbl-button:focus {
  text-decoration: none;
  transform: translateY(-1px);
}

.cbl-button-primary {
  color: var(--cbl-white);
  background: var(--cbl-blue-700);
  box-shadow: 0 10px 24px rgba(21, 87, 192, 0.22);
}

.cbl-button-primary:hover,
.cbl-button-primary:focus {
  color: var(--cbl-white);
  background: var(--cbl-blue-900);
}

.cbl-button-secondary {
  color: var(--cbl-blue-800);
  background: var(--cbl-white);
  border-color: rgba(29, 110, 234, 0.2);
}

.cbl-button-secondary:hover,
.cbl-button-secondary:focus {
  color: var(--cbl-blue-900);
  background: var(--cbl-blue-100);
}

.cbl-hero-panel {
  padding: 22px;
  border: 1px solid rgba(29, 110, 234, 0.18);
  border-radius: var(--cbl-radius);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--cbl-shadow);
}

.cbl-hero-panel-title {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 900;
}

.cbl-search-form {
  display: flex;
  gap: 8px;
}

.cbl-search-form label {
  flex: 1;
}

.cbl-search-form input[type="search"] {
  min-height: 46px;
}

.cbl-search-form button {
  min-width: 82px;
  min-height: 46px;
  border: 0;
  border-radius: 12px;
  color: var(--cbl-white);
  background: var(--cbl-blue-700);
  font-weight: 800;
  cursor: pointer;
}

.cbl-search-form button:hover,
.cbl-search-form button:focus {
  background: var(--cbl-blue-900);
}

.cbl-category-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.cbl-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  border-radius: 999px;
  color: var(--cbl-blue-900);
  background: var(--cbl-blue-100);
  font-size: 0.86rem;
  font-weight: 800;
}

.cbl-chip:hover,
.cbl-chip:focus {
  color: var(--cbl-white);
  background: var(--cbl-blue-700);
  text-decoration: none;
}

.cbl-main {
  padding: 42px 0 64px;
}

.cbl-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.cbl-section-title,
.cbl-page-title,
.cbl-entry-title {
  margin: 0;
  color: var(--cbl-gray-900);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -0.03em;
}

.cbl-section-title {
  font-size: clamp(1.55rem, 3vw, 2.1rem);
}

.cbl-section-note {
  margin: 4px 0 0;
  color: var(--cbl-gray-500);
  font-size: 0.94rem;
}

.cbl-post-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.cbl-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--cbl-gray-200);
  border-radius: var(--cbl-radius);
  background: var(--cbl-white);
  box-shadow: 0 8px 20px rgba(23, 32, 51, 0.04);
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.cbl-card:hover,
.cbl-card:focus-within {
  transform: translateY(-2px);
  border-color: rgba(29, 110, 234, 0.32);
  box-shadow: var(--cbl-shadow);
}

.cbl-card-thumb {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, var(--cbl-blue-100), var(--cbl-blue-50));
}

.cbl-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s ease;
}

.cbl-card:hover .cbl-card-thumb img,
.cbl-card:focus-within .cbl-card-thumb img {
  transform: scale(1.03);
}

.cbl-card-placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  color: var(--cbl-blue-800);
  font-weight: 900;
  letter-spacing: 0.06em;
}

.cbl-card-body {
  padding: 16px;
}

.cbl-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: 0 0 8px;
  color: var(--cbl-gray-500);
  font-size: 0.82rem;
  font-weight: 700;
}

.cbl-meta a {
  color: var(--cbl-blue-700);
}

.cbl-card-title {
  margin: 0 0 8px;
  font-size: 1.06rem;
  line-height: 1.55;
  letter-spacing: -0.02em;
}

.cbl-card-title a {
  color: var(--cbl-gray-900);
}

.cbl-card-title a:hover,
.cbl-card-title a:focus {
  color: var(--cbl-blue-700);
}

.cbl-card-excerpt {
  margin: 0;
  color: var(--cbl-gray-700);
  font-size: 0.92rem;
  line-height: 1.7;
}

.cbl-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 34px;
  align-items: start;
}

.cbl-content-box,
.cbl-sidebar-box,
.cbl-empty-box {
  border: 1px solid var(--cbl-gray-200);
  border-radius: var(--cbl-radius);
  background: var(--cbl-white);
  box-shadow: 0 8px 20px rgba(23, 32, 51, 0.04);
}

.cbl-content-box {
  padding: clamp(22px, 4vw, 42px);
}

.cbl-sidebar {
  position: sticky;
  top: 94px;
}

.cbl-sidebar-box {
  padding: 18px;
  margin-bottom: 18px;
}

.cbl-sidebar-title {
  margin: 0 0 12px;
  color: var(--cbl-gray-900);
  font-size: 1rem;
  font-weight: 900;
}

.cbl-sidebar-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.cbl-sidebar-list li + li {
  border-top: 1px solid var(--cbl-gray-200);
}

.cbl-sidebar-list a {
  display: block;
  padding: 10px 0;
  color: var(--cbl-gray-700);
  font-weight: 700;
  line-height: 1.55;
}

.cbl-sidebar-list a:hover,
.cbl-sidebar-list a:focus {
  color: var(--cbl-blue-700);
}

.cbl-breadcrumbs {
  margin: 0 0 16px;
  color: var(--cbl-gray-500);
  font-size: 0.86rem;
  font-weight: 700;
}

.cbl-breadcrumbs a {
  color: var(--cbl-gray-500);
}

.cbl-breadcrumbs span {
  color: var(--cbl-gray-700);
}

.cbl-entry-title,
.cbl-page-title {
  margin-bottom: 14px;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.cbl-entry-lead {
  margin: 0 0 22px;
  color: var(--cbl-gray-700);
  font-size: 1.02rem;
}

.cbl-entry-thumb {
  margin: 24px 0 26px;
  overflow: hidden;
  border-radius: var(--cbl-radius);
  background: var(--cbl-blue-50);
}

.cbl-entry-thumb img {
  width: 100%;
  height: auto;
}

.cbl-entry-content {
  color: var(--cbl-gray-900);
}

.cbl-entry-content > *:first-child {
  margin-top: 0;
}

.cbl-entry-content > *:last-child {
  margin-bottom: 0;
}

.cbl-entry-content p,
.cbl-entry-content ul,
.cbl-entry-content ol,
.cbl-entry-content blockquote,
.cbl-entry-content pre,
.cbl-entry-content table {
  margin-top: 0;
  margin-bottom: 1.35em;
}

.cbl-entry-content h2,
.cbl-entry-content h3,
.cbl-entry-content h4 {
  margin-top: 1.9em;
  margin-bottom: 0.65em;
  line-height: 1.4;
  letter-spacing: -0.02em;
}

.cbl-entry-content h2 {
  padding-left: 14px;
  border-left: 5px solid var(--cbl-blue-700);
  font-size: 1.55rem;
}

.cbl-entry-content h3 {
  font-size: 1.28rem;
}

.cbl-entry-content h4 {
  font-size: 1.1rem;
}

.cbl-entry-content ul,
.cbl-entry-content ol {
  padding-left: 1.4em;
}

.cbl-entry-content blockquote {
  padding: 18px 20px;
  border-left: 5px solid var(--cbl-blue-700);
  border-radius: 12px;
  background: var(--cbl-blue-50);
  color: var(--cbl-gray-700);
}

.cbl-entry-content pre {
  overflow: auto;
  padding: 18px;
  border-radius: 14px;
  background: #0f172a;
  color: #e5e7eb;
}

.cbl-entry-content code {
  padding: 0.16em 0.32em;
  border-radius: 6px;
  background: var(--cbl-gray-100);
}

.cbl-entry-content pre code {
  padding: 0;
  background: transparent;
}

.cbl-entry-content table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--cbl-gray-200);
  border-radius: 12px;
}

.cbl-entry-content th,
.cbl-entry-content td {
  padding: 10px 12px;
  border: 1px solid var(--cbl-gray-200);
  text-align: left;
}

.cbl-entry-content th {
  background: var(--cbl-blue-50);
}

.cbl-entry-footer {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--cbl-gray-200);
}

.cbl-tags,
.cbl-post-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.cbl-post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.cbl-post-nav a {
  display: block;
  min-height: 76px;
  padding: 14px;
  border: 1px solid var(--cbl-gray-200);
  border-radius: 14px;
  color: var(--cbl-gray-900);
  background: var(--cbl-blue-50);
  font-weight: 800;
}

.cbl-post-nav a:hover,
.cbl-post-nav a:focus {
  color: var(--cbl-blue-800);
  background: var(--cbl-blue-100);
  text-decoration: none;
}

.cbl-pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 34px;
}

.cbl-pagination .page-numbers {
  min-width: 42px;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border: 1px solid var(--cbl-gray-200);
  border-radius: 999px;
  color: var(--cbl-gray-700);
  background: var(--cbl-white);
  font-weight: 800;
}

.cbl-pagination a.page-numbers:hover,
.cbl-pagination a.page-numbers:focus,
.cbl-pagination .page-numbers.current {
  color: var(--cbl-white);
  background: var(--cbl-blue-700);
  border-color: var(--cbl-blue-700);
  text-decoration: none;
}

.cbl-empty-box {
  padding: 30px;
  text-align: center;
}

.cbl-empty-box p {
  margin: 8px 0 0;
  color: var(--cbl-gray-700);
}

.cbl-site-footer {
  padding: 34px 0;
  color: rgba(255, 255, 255, 0.82);
  background: var(--cbl-blue-900);
}

.cbl-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.cbl-footer-title {
  margin: 0 0 4px;
  color: var(--cbl-white);
  font-weight: 900;
}

.cbl-footer-copy {
  margin: 0;
  font-size: 0.9rem;
}

.cbl-footer-menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.cbl-footer-menu a {
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

.cbl-footer-menu a:hover,
.cbl-footer-menu a:focus {
  color: var(--cbl-white);
}

.aligncenter {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.alignleft {
  float: left;
  margin: 0.3em 1.2em 1em 0;
}

.alignright {
  float: right;
  margin: 0.3em 0 1em 1.2em;
}

.wp-caption {
  max-width: 100%;
}

.wp-caption-text,
.gallery-caption {
  color: var(--cbl-gray-500);
  font-size: 0.86rem;
  text-align: center;
}

.sticky .cbl-card {
  border-color: rgba(29, 110, 234, 0.4);
}

.bypostauthor {
  display: block;
}

@media (max-width: 920px) {
  .cbl-header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .cbl-header-nav {
    width: 100%;
  }

  .cbl-mobile-menu-summary {
    display: inline-flex;
    width: 100%;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--cbl-gray-200);
    border-radius: 999px;
    background: var(--cbl-blue-50);
  }

  .cbl-nav-details {
    width: 100%;
  }

  .cbl-nav-details:not([open]) .cbl-menu-wrap {
    display: none;
  }

  .cbl-menu-wrap {
    margin-top: 10px;
  }

  .cbl-menu {
    align-items: stretch;
    flex-direction: column;
    gap: 4px;
  }

  .cbl-menu a {
    width: 100%;
    justify-content: center;
  }

  .cbl-menu .sub-menu {
    position: static;
    width: 100%;
    display: block;
    margin-top: 4px;
    box-shadow: none;
  }

  .cbl-hero-grid,
  .cbl-layout {
    grid-template-columns: 1fr;
  }

  .cbl-post-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cbl-sidebar {
    position: static;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .cbl-container {
    width: min(100% - 24px, var(--cbl-width));
  }

  .cbl-hero {
    padding: 34px 0 28px;
  }

  .cbl-hero-actions,
  .cbl-section-head,
  .cbl-footer-inner {
    align-items: stretch;
    flex-direction: column;
  }

  .cbl-button {
    width: 100%;
  }

  .cbl-search-form {
    flex-direction: column;
  }

  .cbl-search-form button {
    width: 100%;
  }

  .cbl-post-grid,
  .cbl-post-nav {
    grid-template-columns: 1fr;
  }

  .cbl-content-box {
    padding: 20px;
  }

  .alignleft,
  .alignright {
    float: none;
    display: block;
    margin: 0 0 1em;
  }
}

/* トップページ右側の検索ボックスを一時的に非表示 */
.cbl-hero-panel {
  display: none;
}
/* 検索ボックス非表示時にヒーローエリアを1カラム化 */
.cbl-hero-grid {
  grid-template-columns: 1fr;
}
/* ヘッダー右上の「ホーム」ボタンを一時的に非表示 */
.cbl-menu > .menu-item-home,
.cbl-menu > li:first-child {
  display: none;
}
/* トップページのリード文を一時的に非表示 */
.cbl-hero-lead {
  display: none;
}
/* 「新着記事を見る」ボタンを一時的に非表示 */
.cbl-hero-actions .cbl-button-primary {
  display: none;
}
/* 「トップページは20記事ずつ表示します。」を一時的に非表示 */
#latest-posts .cbl-section-note {
  display: none;
}
/* SP表示時：ヘッダーをロゴマーク＋サイト名だけにする */
@media (max-width: 920px) {
  .cbl-site-header {
    position: static;
  }
  .cbl-header-inner {
    min-height: 60px;
    padding: 10px 0;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
  }
  .cbl-brand {
    font-size: 1.05rem;
  }
  .cbl-brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 11px;
  }
  .cbl-site-description {
    display: none;
  }
  .cbl-header-nav {
    display: none;
  }
}
/* Cアイコンの影を非表示 */
.cbl-brand-mark {
  box-shadow: none;
}