/*
Theme Name: Ka-Chan SEO Theme
Theme URI: https://ka-chanblog.com/
Author: Ka-Chan Design / ChatGPT
Description: Ka-Chan Blog向けの軽量SEO特化ブログテーマ。既存URLを維持しながら、記事回遊・カテゴリ導線・読みやすさ・広告管理を重視しています。
Version: 1.1.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 7.4
Text Domain: kachan-seo-theme
*/

:root {
  --kc-bg: #f7f5ef;
  --kc-surface: #ffffff;
  --kc-surface-soft: #fbfaf6;
  --kc-text: #232421;
  --kc-muted: #666b70;
  --kc-border: #e5e0d7;
  --kc-accent: #f0a500;
  --kc-accent-dark: #c57f00;
  --kc-dark: #232421;
  --kc-game: #19a974;
  --kc-blue: #2a6fdb;
  --kc-red: #d94b4b;
  --kc-radius-sm: 10px;
  --kc-radius: 16px;
  --kc-radius-lg: 24px;
  --kc-shadow: 0 14px 34px rgba(35, 36, 33, .08);
  --kc-shadow-soft: 0 6px 18px rgba(35, 36, 33, .06);
  --kc-container: 1120px;
  --kc-content: 760px;
  --kc-sidebar: 320px;
  --kc-font: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", YuGothic, Meiryo, sans-serif;
  --kc-font-en: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--kc-bg);
  color: var(--kc-text);
  font-family: var(--kc-font);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .02em;
  overflow-wrap: anywhere;
  -webkit-text-size-adjust: 100%;
}

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

a:hover,
a:focus-visible {
  text-decoration: underline;
}

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

img {
  display: block;
}

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

button {
  cursor: pointer;
}

.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: fixed;
  top: 10px;
  left: 10px;
  z-index: 9999;
  transform: translateY(-140%);
  background: var(--kc-dark);
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
}

.skip-link:focus {
  transform: translateY(0);
}

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

.kc-site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 239, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229, 224, 215, .88);
}

.kc-header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.kc-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--kc-text);
  font-weight: 900;
  line-height: 1.2;
  text-decoration: none;
}

.kc-brand:hover {
  text-decoration: none;
}

.kc-brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--kc-dark);
  color: var(--kc-accent);
  box-shadow: var(--kc-shadow-soft);
  font-family: var(--kc-font-en);
  letter-spacing: .01em;
}

.kc-brand-text {
  display: grid;
  gap: 2px;
}

.kc-brand-title {
  font-size: 1.05rem;
}

.kc-brand-desc {
  color: var(--kc-muted);
  font-size: .72rem;
  font-weight: 700;
}

.kc-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--kc-border);
  border-radius: 999px;
  background: var(--kc-surface);
  color: var(--kc-text);
}

.kc-nav-toggle span,
.kc-nav-toggle span::before,
.kc-nav-toggle span::after {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 99px;
  transition: .2s;
}

.kc-nav-toggle span {
  position: relative;
}

.kc-nav-toggle span::before,
.kc-nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.kc-nav-toggle span::before { top: -7px; }
.kc-nav-toggle span::after { top: 7px; }

.kc-nav-toggle[aria-expanded="true"] span { background: transparent; }
.kc-nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.kc-nav-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

.kc-primary-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.kc-primary-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 13px;
  border-radius: 999px;
  color: var(--kc-text);
  font-size: .92rem;
  font-weight: 800;
}

.kc-primary-nav .current-menu-item > a,
.kc-primary-nav a:hover,
.kc-primary-nav a:focus-visible {
  background: var(--kc-surface);
  text-decoration: none;
  box-shadow: var(--kc-shadow-soft);
}

.kc-main {
  padding-block: 34px 64px;
}

.kc-layout {
  display: grid;
  grid-template-columns: minmax(0, var(--kc-content)) minmax(260px, var(--kc-sidebar));
  gap: 36px;
  align-items: start;
}

.kc-layout--single {
  grid-template-columns: minmax(0, var(--kc-content)) minmax(260px, var(--kc-sidebar));
}

.kc-layout--wide {
  display: block;
}

.kc-sidebar {
  position: sticky;
  top: 100px;
  display: grid;
  gap: 18px;
}

.kc-widget,
.widget {
  background: var(--kc-surface);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius);
  padding: 20px;
  box-shadow: var(--kc-shadow-soft);
}

.kc-widget-title,
.widget-title,
.widget h2,
.widget h3 {
  margin: 0 0 14px;
  padding: 0 0 10px;
  border-bottom: 1px solid var(--kc-border);
  color: var(--kc-text);
  font-size: 1rem;
  line-height: 1.5;
  background: transparent;
}

.widget ul,
.kc-widget ul {
  margin: 0;
  padding-left: 1.2em;
}

.widget li + li,
.kc-widget li + li {
  margin-top: 8px;
}

.kc-breadcrumbs {
  color: var(--kc-muted);
  font-size: .85rem;
  margin-bottom: 18px;
}

.kc-breadcrumbs a {
  color: var(--kc-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.kc-breadcrumbs span {
  display: inline;
}

.kc-hero {
  overflow: hidden;
  position: relative;
  background: radial-gradient(circle at 15% 10%, rgba(240, 165, 0, .2), transparent 35%), linear-gradient(135deg, #232421 0%, #35362f 100%);
  color: #fff;
  border-radius: var(--kc-radius-lg);
  padding: clamp(32px, 7vw, 72px);
  box-shadow: var(--kc-shadow);
}

.kc-hero::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(240, 165, 0, .16);
}

.kc-hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.kc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--kc-accent);
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-family: var(--kc-font-en);
  font-size: .82rem;
}

.kc-hero h1,
.kc-page-title,
.kc-archive-title {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.18;
  letter-spacing: .01em;
}

.kc-hero p {
  margin: 20px 0 0;
  color: rgba(255, 255, 255, .86);
  font-size: clamp(1rem, 2vw, 1.15rem);
}

.kc-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.kc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--kc-accent);
  color: #1f1f1b;
  font-weight: 900;
  text-decoration: none;
  box-shadow: var(--kc-shadow-soft);
}

.kc-btn:hover,
.kc-btn:focus-visible {
  background: #ffc545;
  color: #1f1f1b;
  text-decoration: none;
}

.kc-btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, .34);
  color: #fff;
}

.kc-btn--ghost:hover,
.kc-btn--ghost:focus-visible {
  background: rgba(255, 255, 255, .1);
  color: #fff;
}

.kc-section {
  margin-top: 44px;
}

.kc-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.kc-section-title {
  margin: 0;
  color: var(--kc-text);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  line-height: 1.35;
}

.kc-section-desc {
  margin: 7px 0 0;
  color: var(--kc-muted);
  font-size: .95rem;
}

.kc-more-link {
  flex: none;
  color: var(--kc-text);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 4px;
}

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

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

.kc-card {
  overflow: hidden;
  background: var(--kc-surface);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius);
  box-shadow: var(--kc-shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease;
}

.kc-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--kc-shadow);
}

.kc-card a {
  color: inherit;
}

.kc-card-thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  background: #e8e2d8;
  overflow: hidden;
}

.kc-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

.kc-card:hover .kc-card-thumb img {
  transform: scale(1.04);
}

.kc-card-body {
  padding: 18px;
}

.kc-card-meta,
.kc-entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  color: var(--kc-muted);
  font-size: .82rem;
  line-height: 1.5;
}

.kc-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 25px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(240, 165, 0, .16);
  color: #7c5300;
  font-weight: 900;
  font-size: .76rem;
}

.kc-card-title {
  margin: 10px 0 0;
  font-size: 1.05rem;
  line-height: 1.55;
}

.kc-card-title a:hover {
  color: var(--kc-blue);
  text-decoration: none;
}

.kc-card-excerpt {
  margin: 10px 0 0;
  color: var(--kc-muted);
  font-size: .92rem;
  line-height: 1.75;
}

.kc-post-list {
  display: grid;
  gap: 16px;
}

.kc-post-list-item {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  background: var(--kc-surface);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius);
  padding: 14px;
  box-shadow: var(--kc-shadow-soft);
}

.kc-post-list-thumb {
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  background: #e8e2d8;
}

.kc-post-list-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kc-post-list-title {
  margin: 8px 0 0;
  font-size: 1.05rem;
  line-height: 1.55;
}

.kc-home-category-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.kc-category-tile {
  background: var(--kc-surface);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius);
  padding: 20px;
  box-shadow: var(--kc-shadow-soft);
  color: var(--kc-text);
  min-height: 132px;
}

.kc-category-tile:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--kc-shadow);
}

.kc-category-tile strong {
  display: block;
  font-size: 1.1rem;
  line-height: 1.45;
}

.kc-category-tile span {
  display: block;
  margin-top: 8px;
  color: var(--kc-muted);
  font-size: .9rem;
}

.kc-article {
  background: var(--kc-surface);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius-lg);
  box-shadow: var(--kc-shadow-soft);
  overflow: hidden;
}

.kc-article-header {
  padding: clamp(24px, 5vw, 46px) clamp(20px, 5vw, 52px) 24px;
}

.kc-article-title {
  margin: 12px 0 0;
  color: var(--kc-text);
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.32;
  letter-spacing: .01em;
}

.kc-article-lead {
  margin: 18px 0 0;
  color: var(--kc-muted);
  font-size: 1rem;
  line-height: 1.85;
}

.kc-article-thumb {
  margin: 0;
  border-top: 1px solid var(--kc-border);
  border-bottom: 1px solid var(--kc-border);
  background: #e8e2d8;
}

.kc-article-thumb img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
}

.kc-article-body {
  padding: clamp(24px, 5vw, 52px);
}

.kc-entry-content {
  color: var(--kc-text);
  font-size: 1.02rem;
  line-height: 1.95;
}

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

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

.kc-entry-content h2,
.kc-entry-content h3,
.kc-entry-content h4,
.kc-entry-content h5,
.kc-entry-content h6 {
  clear: both;
  color: var(--kc-text);
  line-height: 1.48;
  scroll-margin-top: 100px;
}

.kc-entry-content h2 {
  margin: 2.5em 0 1em;
  padding: 17px 22px;
  border-radius: 14px;
  background: #f1ede4;
  border-left: 7px solid var(--kc-accent);
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
}

.kc-entry-content h3 {
  margin: 2.1em 0 .9em;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--kc-border);
  font-size: clamp(1.18rem, 2.2vw, 1.45rem);
}

.kc-entry-content h4 {
  margin: 1.8em 0 .75em;
  font-size: 1.12rem;
}

.kc-entry-content p,
.kc-entry-content ul,
.kc-entry-content ol,
.kc-entry-content table,
.kc-entry-content blockquote,
.kc-entry-content pre,
.kc-entry-content figure {
  margin: 1.2em 0;
}

.kc-entry-content ul,
.kc-entry-content ol {
  padding-left: 1.5em;
}

.kc-entry-content li + li {
  margin-top: .45em;
}

.kc-entry-content a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.kc-entry-content strong {
  font-weight: 900;
}

.kc-entry-content blockquote {
  margin-inline: 0;
  padding: 20px 22px;
  border-left: 6px solid var(--kc-accent);
  border-radius: 0 14px 14px 0;
  background: var(--kc-surface-soft);
  color: #383a36;
}

.kc-entry-content table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 12px;
  display: block;
  max-width: 100%;
  overflow-x: auto;
}

.kc-entry-content th,
.kc-entry-content td {
  border: 1px solid var(--kc-border);
  padding: 11px 13px;
  vertical-align: top;
}

.kc-entry-content th {
  background: #f1ede4;
  font-weight: 900;
}

.kc-entry-content pre {
  overflow-x: auto;
  padding: 18px;
  border-radius: 14px;
  background: #1f211f;
  color: #f5f1e8;
  font-size: .92rem;
  line-height: 1.7;
}

.kc-entry-content code {
  background: #f1ede4;
  border-radius: 6px;
  padding: .14em .35em;
  font-size: .92em;
}

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

.kc-entry-content .wp-block-image img,
.kc-entry-content figure img,
.kc-entry-content > img {
  border-radius: 14px;
  box-shadow: var(--kc-shadow-soft);
}

.kc-entry-content .aligncenter {
  margin-inline: auto;
}

.kc-entry-content .alignleft {
  float: left;
  margin: .4em 1.4em 1em 0;
}

.kc-entry-content .alignright {
  float: right;
  margin: .4em 0 1em 1.4em;
}

.kc-ad-slot {
  min-height: 70px;
  margin: 28px 0;
  padding: 14px;
  border: 1px dashed var(--kc-border);
  border-radius: var(--kc-radius);
  background: var(--kc-surface-soft);
  text-align: center;
}

.kc-ad-slot:empty {
  display: none;
}

.kc-toc {
  margin: 28px 0;
  background: var(--kc-surface-soft);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius);
  padding: 18px;
}

.kc-toc-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 12px;
  color: var(--kc-text);
  font-weight: 900;
}

.kc-toc ol {
  margin: 0;
  padding-left: 1.25em;
}

.kc-toc li + li {
  margin-top: 7px;
}

.kc-toc a {
  color: var(--kc-text);
  text-decoration: none;
}

.kc-toc a:hover {
  color: var(--kc-blue);
  text-decoration: underline;
}

.kc-post-footer {
  padding-top: 28px;
  border-top: 1px solid var(--kc-border);
  margin-top: 34px;
  display: grid;
  gap: 18px;
}

.kc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.kc-tags a {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: #f1ede4;
  color: var(--kc-muted);
  font-size: .82rem;
  font-weight: 800;
}

.kc-author-box {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 18px;
  background: var(--kc-surface-soft);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius);
}

.kc-author-avatar img {
  border-radius: 50%;
}

.kc-author-name {
  margin: 0;
  font-weight: 900;
}

.kc-author-desc {
  margin: 4px 0 0;
  color: var(--kc-muted);
  font-size: .9rem;
  line-height: 1.7;
}

.kc-related {
  margin-top: 34px;
}

.kc-pagination,
.navigation.pagination {
  margin-top: 34px;
}

.nav-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding-inline: 12px;
  border-radius: 999px;
  background: var(--kc-surface);
  border: 1px solid var(--kc-border);
  color: var(--kc-text);
  font-weight: 800;
}

.page-numbers.current,
.page-numbers:hover {
  background: var(--kc-dark);
  color: #fff;
  text-decoration: none;
}

.kc-archive-header,
.kc-page-header {
  background: var(--kc-surface);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius-lg);
  padding: clamp(24px, 5vw, 44px);
  box-shadow: var(--kc-shadow-soft);
  margin-bottom: 28px;
}

.kc-archive-description {
  margin: 16px 0 0;
  color: var(--kc-muted);
  max-width: 820px;
}

.kc-site-footer {
  background: var(--kc-dark);
  color: rgba(255, 255, 255, .74);
  padding: 44px 0 28px;
}

.kc-footer-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: 24px;
}

.kc-site-footer a {
  color: #fff;
}

.kc-footer-title {
  margin: 0 0 10px;
  color: #fff;
  font-size: 1.05rem;
}

.kc-footer-desc {
  margin: 0;
  font-size: .9rem;
}

.kc-footer-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.kc-footer-menu li + li {
  margin-top: 8px;
}

.kc-copyright {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: .82rem;
}

.kc-empty {
  background: var(--kc-surface);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius);
  padding: 24px;
  box-shadow: var(--kc-shadow-soft);
}

/* 既存記事のインライン装飾崩れ対策 */
.kc-entry-content .box6,
.kc-entry-content .box8,
.kc-entry-content .box11,
.kc-entry-content .p-caption,
.kc-entry-content .p-article_list,
.kc-entry-content .link-box {
  max-width: 100%;
  border-radius: 14px;
}

.kc-entry-content .box6 {
  padding: 1em 1.4em;
  margin: 1.6em 0;
  background: #fff8e8;
  border: 2px dashed #ffc06e;
}

.kc-entry-content .box8 {
  padding: 1em 1.2em;
  margin: 1.6em 0;
  background: #fff8e8;
  border-left: 8px solid #ffc06e;
}

.kc-entry-content .box11 {
  padding: 1em 1.2em;
  margin: 1.8em 0;
  background: #f7f7f7;
  border-top: 5px solid #ffc06e;
}

.kc-entry-content .box11 p,
.kc-entry-content .box8 p {
  margin: 0;
}

.kc-entry-content .link-box {
  display: flex;
  gap: 14px;
  padding: 14px;
  margin: 22px 0;
  border: 1px solid var(--kc-border);
  background: var(--kc-surface-soft);
}

.kc-entry-content .link-box .img-box {
  flex: 0 0 34%;
  max-width: 220px;
}

.kc-entry-content .link-box .text-box {
  flex: 1;
  min-width: 0;
}

.kc-entry-content .link-box .title {
  margin: 0;
  font-weight: 900;
}

@media (max-width: 980px) {
  .kc-layout,
  .kc-layout--single {
    grid-template-columns: 1fr;
  }

  .kc-sidebar {
    position: static;
  }

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

  .kc-home-category-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kc-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 15.5px;
  }

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

  .kc-header-inner {
    min-height: 68px;
  }

  .kc-brand-desc {
    display: none;
  }

  .kc-nav-toggle {
    display: inline-flex;
  }

  .kc-primary-nav {
    position: absolute;
    inset: 68px 12px auto;
    padding: 12px;
    border: 1px solid var(--kc-border);
    border-radius: var(--kc-radius);
    background: var(--kc-surface);
    box-shadow: var(--kc-shadow);
    transform: translateY(-12px);
    visibility: hidden;
    opacity: 0;
    transition: .2s;
  }

  .kc-primary-nav.is-open {
    transform: translateY(0);
    visibility: visible;
    opacity: 1;
  }

  .kc-primary-nav ul {
    display: grid;
    gap: 4px;
  }

  .kc-primary-nav a {
    width: 100%;
    justify-content: flex-start;
  }

  .kc-main {
    padding-block: 22px 48px;
  }

  .kc-hero {
    border-radius: 20px;
    padding: 28px 22px;
  }

  .kc-section-head {
    display: block;
  }

  .kc-more-link {
    display: inline-flex;
    margin-top: 10px;
  }

  .kc-card-grid,
  .kc-card-grid--2,
  .kc-home-category-nav {
    grid-template-columns: 1fr;
  }

  .kc-post-list-item {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 12px;
    padding: 11px;
  }

  .kc-post-list-title {
    font-size: .95rem;
  }

  .kc-card-body {
    padding: 15px;
  }

  .kc-article {
    border-radius: 20px;
  }

  .kc-article-header,
  .kc-article-body {
    padding: 22px 18px;
  }

  .kc-entry-content {
    font-size: 1rem;
    line-height: 1.9;
  }

  .kc-entry-content h2 {
    padding: 14px 16px;
  }

  .kc-entry-content .alignleft,
  .kc-entry-content .alignright {
    float: none;
    margin: 1.2em auto;
  }

  .kc-entry-content .link-box {
    display: block;
  }

  .kc-entry-content .link-box .img-box {
    max-width: none;
    margin-bottom: 10px;
  }

  .kc-footer-grid {
    grid-template-columns: 1fr;
  }
}

.search-form {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 16px;
}

.search-form label {
  flex: 1;
}

.search-field {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  border: 1px solid var(--kc-border);
  border-radius: 999px;
  background: var(--kc-surface);
  color: var(--kc-text);
}

.kc-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #f1ede4, #ded8ca);
}

.kc-thumb-placeholder::after {
  content: "Ka-Chan Blog";
  color: rgba(35, 36, 33, .45);
  font-weight: 900;
  font-family: var(--kc-font-en);
}

@media (max-width: 760px) {
  .search-form {
    display: grid;
  }
}

/* v1.1: header/submenu/readability adjustments */
body.admin-bar .kc-site-header { top: 32px; }
@media (max-width: 782px) {
  body.admin-bar .kc-site-header { top: 46px; }
}

.kc-header-inner {
  gap: 28px;
}

.kc-brand {
  flex: 0 1 auto;
  min-width: 0;
}

.kc-brand-text {
  min-width: 0;
}

.kc-brand-title {
  font-size: 1.08rem;
  letter-spacing: .01em;
}

.kc-brand-desc {
  max-width: 420px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kc-primary-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
  min-width: 0;
}

.kc-primary-nav .kc-menu,
.kc-primary-nav > ul {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.kc-primary-nav li {
  position: relative;
  list-style: none;
}

.kc-primary-nav .sub-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 20;
  display: grid;
  min-width: 220px;
  gap: 4px;
  padding: 10px;
  margin: 0;
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius);
  background: var(--kc-surface);
  box-shadow: var(--kc-shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: .18s ease;
}

.kc-primary-nav li:hover > .sub-menu,
.kc-primary-nav li:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.kc-primary-nav .sub-menu a {
  width: 100%;
  justify-content: flex-start;
  border-radius: 12px;
  min-height: 38px;
  white-space: nowrap;
}

.kc-primary-nav a {
  white-space: nowrap;
}

.kc-footer-menu-list,
.kc-footer-menu .kc-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.kc-footer-menu-list li + li,
.kc-footer-menu .kc-menu li + li {
  margin-top: 8px;
}

.kc-section + .kc-section {
  margin-top: 52px;
}

.kc-card-title,
.kc-post-list-title {
  word-break: auto-phrase;
}

@media (max-width: 1100px) {
  .kc-brand-desc { max-width: 300px; }
  .kc-primary-nav a { padding-inline: 10px; font-size: .88rem; }
}

@media (max-width: 760px) {
  .kc-primary-nav {
    display: block;
  }

  .kc-primary-nav .kc-menu,
  .kc-primary-nav > ul {
    display: grid;
    justify-content: stretch;
    gap: 4px;
  }

  .kc-primary-nav .sub-menu {
    position: static;
    display: grid;
    min-width: 0;
    margin: 4px 0 8px 14px;
    padding: 6px;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: var(--kc-surface-soft);
  }

  .kc-primary-nav a {
    white-space: normal;
  }
}