/*!
 * Kuu Theme CSS
 * Version: 2.0.0
 */

/*
Theme Name: Kuu
Theme URI: https://example.com
Author: Akira Sasano
Author URI: https://kuu-theme.com
Description: Simple, Minimal, and Fast WordPress Theme
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: kuu
Tags: blog, minimal, responsive
*/

/* ===========================
   Design Tokens
   =========================== */
:root {
  --color-black:      #0a0a0a;
  --color-white:      #ffffff;
  --color-gray-light: #f5f5f5;
  --color-gray-mid:   #e0e0e0;
  --color-gray-sub:   #999999;
  --color-text:       #0a0a0a;

  /* カラーテーマ変数（カスタマイザーで切り替え。body.theme-* で上書き） */
  --color-theme:      #102f72; /* デフォルト：ネイビー */
  --color-theme-text: #ffffff;
  --color-bg:         #ffffff;

  --font-weight-thin:    200;
  --font-weight-light:   300;
  --font-weight-regular: 400;

  --spacing-section-pc:     120px;
  --spacing-section-sp:      72px;
  --letter-spacing-wide:   0.12em;
  --letter-spacing-wider:  0.18em;
}

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

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

body {
  font-family: "游ゴシック体", "Yu Gothic", YuGothic, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-weight: var(--font-weight-light);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-light);
  line-height: 1.4;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: 1.5rem;
}

p:last-child {
  margin-bottom: 0;
}

/* ===========================
   Layout
   =========================== */
.container {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 40px;
  padding-right: 40px;
}

.container--narrow {
  max-width: 860px;
}

/* ===========================
   Header
   =========================== */
.site-header {
  background-color: var(--color-theme);
  color: var(--color-theme-text);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

/* トップページ：ヒーロー上では透明・白文字・シャドウなし */
body.home .site-header {
  background-color: transparent;
  color: #ffffff;
  box-shadow: none;
}

body.home .site-header .site-header__logo {
  color: #ffffff;
}

body.home .site-header .site-nav__item a {
  color: #ffffff;
}

body.home .site-header .nav-toggle {
  color: #ffffff;
}

body.home .site-header .nav-toggle__bar {
  background-color: #ffffff;
}

/* トップページ：ヒーローを過ぎたら var(--color-theme) 背景・テーマ文字色 */
body.home .site-header.is-scrolled {
  background-color: var(--color-theme);
  color: var(--color-theme-text);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

body.home .site-header.is-scrolled .site-header__logo {
  color: var(--color-theme-text);
}

body.home .site-header.is-scrolled .site-nav__item a {
  color: var(--color-theme-text);
}

body.home .site-header.is-scrolled .nav-toggle {
  color: var(--color-theme-text);
}

body.home .site-header.is-scrolled .nav-toggle__bar {
  background-color: var(--color-theme-text);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-header__logo {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: none;
  color: var(--color-theme-text);
}

.site-header__logo:hover {
  opacity: 0.7;
}

.custom-logo-link {
  display: flex;
  align-items: center;
}

.custom-logo {
  max-height: 40px;
  width: auto;
  display: block;
}

/* ===========================
   Navigation
   =========================== */
.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.site-nav__item a {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-theme-text);
  opacity: 0.8;
  transition: opacity 0.2s;
}

.site-nav__item a:hover {
  opacity: 1;
}

/* hamburger (mobile) */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-theme-text);
}

.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 1px;
  background: currentColor;
  margin: 6px 0;
  transition: background-color 0.3s ease;
}

/* ===========================
   Hero
   =========================== */
.hero {
  position: relative;
  width: 100%;
  height: 70vh;
  min-height: 440px;
  overflow: hidden;
  background-color: var(--color-black);

}

/* トップページ：ヒーローをヘッダー分（64px）だけ引き上げ、
   透明ヘッダーの後ろをヒーロー画像で埋めて白帯を消す */
body.home .hero {
  margin-top: -64px;
}

/* ヒーロースライダー */
.hero__slider {
  position: absolute;
  inset: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.hero__slide.is-active {
  opacity: 1;
}

.hero__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  .hero__slide {
    transition: none;
  }
}

.hero__image,
.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* オーバーレイ濃さ */
.hero__overlay--0  { background: rgba(0, 0, 0, 0); }
.hero__overlay--30 { background: rgba(0, 0, 0, 0.30); }
.hero__overlay--50 { background: rgba(0, 0, 0, 0.50); }
.hero__overlay--70 { background: rgba(0, 0, 0, 0.70); }

.hero__content {
  text-align: center;
  padding: 0 40px;
}

/* テキストカラー */
.hero__content--white { color: var(--color-white); }
.hero__content--black { color: var(--color-black); }

/* ブランド名：最大サイズ・太字 */
.hero__brand {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: var(--letter-spacing-wider);
  line-height: 1;
  margin-bottom: 1.5rem;
  text-transform: none;
}

/* キャッチコピー：中サイズ */
.hero__tagline {
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

/* サブコピー：小サイズ */
.hero__sub {
  font-size: clamp(0.75rem, 1.2vw, 0.875rem);
  font-weight: 600;
  opacity: 1;
  letter-spacing: 0.06em;
  line-height: 1.8;
}

/* CTAボタン共通 */
.hero__cta {
  display: inline-block;
  margin-top: 2rem;
  padding: 14px 40px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  animation: hero-fadein 1.25s ease 2.0s both;
}

/* 白抜き（ゴースト）：デフォルト */
.hero__cta--ghost {
  background: transparent;
  border: 1px solid var(--color-white);
  color: var(--color-white);
}
.hero__cta--ghost:hover {
  background-color: var(--color-white);
  color: var(--color-black);
}

/* 白塗り */
.hero__cta--white {
  background: var(--color-white);
  border: 1px solid var(--color-white);
  color: var(--color-black);
}
.hero__cta--white:hover {
  background: transparent;
  color: var(--color-white);
}

/* テーマカラー */
.hero__cta--theme {
  background: var(--color-theme);
  border: 1px solid var(--color-theme);
  color: var(--color-theme-text);
}
.hero__cta--theme:hover {
  opacity: 0.85;
}

/* オレンジイエロー */
.hero__cta--orange {
  background: #f5a623;
  border: 1px solid #f5a623;
  color: var(--color-black);
}
.hero__cta--orange:hover {
  background: #e0941a;
  border-color: #e0941a;
}

/* ===========================
   お知らせバナー
   =========================== */
.notice-banner {
  background-color: var(--color-theme);
  color: #ffffff;
  text-align: center;
  padding: 10px 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  position: relative;
  z-index: 10;
}

.notice-banner__text {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

/* ===========================
   Article Slider
   =========================== */
.slider-section {
  padding: 116px 0 12px;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-gray-mid);
}

.slider-viewport {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  overflow-x: clip;
  overflow-y: visible;
  padding: 8px 72px;
}

.slider__track {
  display: flex;
  gap: 24px;
}

.slider__card {
  flex: 0 0 calc(33.333% - 16px);
  flex-shrink: 0;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.3s ease;
}

.slider__card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
}

.slider__thumb {
  display: block;
  overflow: hidden;
  background-color: var(--color-gray-light);
  aspect-ratio: 16 / 8;
  margin-bottom: 0;
  flex-shrink: 0;
}

.slider__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.slider__thumb:hover img {
  transform: scale(1.03);
}

.slider__body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.slider__title {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--color-text);
  letter-spacing: 0.04em;
  padding: 4px 14px 12px;
  overflow: hidden;
}

.slider__title a {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.slider__title a:hover {
  opacity: 0.6;
}

.slider__date {
  display: block;
  font-size: 0.6875rem;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-gray-sub);
  text-transform: uppercase;
  padding: 6px 14px 0;
}

/* ===========================
   Section
   =========================== */
.section {
  padding: var(--spacing-section-pc) 0;
  background-color: var(--color-white);
}

.section__title {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-light);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-gray-sub);
  margin-bottom: 56px;
}

/* ===========================
   Post Grid
   =========================== */
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 56px 40px;
}

.post-grid--cols-2 { grid-template-columns: repeat(2, 1fr); }
.post-grid--cols-3 { grid-template-columns: repeat(3, 1fr); }
.post-grid--cols-4 { grid-template-columns: repeat(4, 1fr); }

.post-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.3s ease;
}

.post-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
}

.post-card__thumb {
  display: block;
  overflow: hidden;
  background-color: var(--color-gray-light);
  aspect-ratio: 16 / 8;
  margin-bottom: 0;
  flex-shrink: 0;
}

.post-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.post-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.post-card:hover .post-card__thumb img {
  transform: scale(1.05);
}

.post-card__meta {
  font-size: 0.6875rem;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-gray-sub);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 14px;
  text-transform: none;
  padding: 6px 14px 0;
}

.post-card__category {
  color: var(--color-black);
  font-weight: var(--font-weight-light);
}

.post-card__title {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.03em;
  padding: 4px 14px 12px;
  overflow: hidden;
}

.post-card__title a {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.post-card__title a:hover {
  opacity: 0.6;
}

.post-card__excerpt {
  font-size: 0.8125rem;
  color: var(--color-gray-sub);
  line-height: 1.8;
  margin-top: 12px;
  padding: 0 16px;
}

/* ===========================
   Pagination
   =========================== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  padding: 72px 0;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 0.75rem;
  font-weight: var(--font-weight-light);
  letter-spacing: 0.04em;
  border: 1px solid var(--color-gray-mid);
  color: var(--color-text);
  transition: border-color 0.2s, color 0.2s;
}

.pagination .current {
  background-color: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
}

.pagination a:hover {
  border-color: var(--color-black);
}

/* ===========================
   Single Post
   =========================== */
.post-header {
  padding: 88px 0 40px;
  margin-bottom: 32px;
}

.post-header__meta {
  font-size: 0.6875rem;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-gray-sub);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  text-transform: uppercase;
}

.post-header__category {
  color: var(--color-black);
  font-weight: var(--font-weight-light);
  text-transform: none;
}

.post-header__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "游ゴシック体", "Yu Gothic", YuGothic, sans-serif;
  letter-spacing: -0.01em;
  word-break: break-word;
  line-height: 1.4;
}

.post-thumbnail {
  margin-bottom: 72px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-gray-light);
}

.post-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 記事ヘッダー内アイキャッチ（タイトル上部） */
.post-header__thumbnail {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-gray-light);
  margin-bottom: 40px;
}

.post-header__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Entry Content */
.entry-content {
  font-size: 0.9375rem;
  line-height: 2;
  overflow-x: hidden;
  color: #333333;
  font-weight: var(--font-weight-light);
}

.entry-content * {
  max-width: 100%;
  overflow-wrap: break-word;
}

.entry-content h2 {
  font-size: 1.55rem;
  font-weight: 700;
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "游ゴシック体", "Yu Gothic", YuGothic, sans-serif;
  border-left: none;
  border-top: solid 1px var(--color-theme);
  border-bottom: solid 1px var(--color-theme);
  padding: 0.8rem 0;
  margin: 4rem 0 2rem;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

.entry-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 3.5rem 0 1.5rem;
  letter-spacing: 0.03em;
  line-height: 1.5;
  border-left: 6px solid var(--color-theme);
  padding-left: 0.85rem;
}

.entry-content h2[id],
.entry-content h3[id] {
  scroll-margin-top: 80px;
}

.entry-content h4 {
  font-weight: 700;
  margin: 2.5rem 0 1.25rem;
  line-height: 1.5;
}

.entry-content p {
  margin-bottom: 2.25rem;
  font-weight: 400;
  font-size: 1.05rem;
  line-height: 2.0;
}

.entry-content img {
  max-width: 100%;
  height: auto;
  margin: 2.5rem 0;
}

.entry-content ul,
.entry-content ol {
  margin: 1.5rem 0 1.75rem 1.5rem;
}

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

.entry-content li {
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.entry-content blockquote {
  border-left: 1px solid var(--color-gray-mid);
  padding: 0.75rem 0 0.75rem 1.75rem;
  margin: 2.5rem 0;
  color: var(--color-gray-sub);
  font-style: normal;
  letter-spacing: 0.03em;
}

/* WordPress標準blockquoteとKuu引用ブロックの混在対策 */
.entry-content blockquote:empty {
  display: none;
}

.entry-content blockquote blockquote.kuu-quote {
  border: none;
  border-left: none;
  padding-left: 0;
  margin-left: 0;
}

.entry-content .wp-block-quote:has(.kuu-quote) {
  border: none;
  border-left: none;
  padding: 0;
  margin: 0;
}

.entry-content a {
  color: #2563eb;
  text-decoration: none;
  word-break: break-all;
  overflow-wrap: anywhere;
  white-space: normal;
}

.entry-content a:hover {
  color: #1d4ed8;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.entry-content pre {
  background: var(--color-gray-light);
  padding: 1.75rem;
  overflow-x: auto;
  font-size: 0.8125rem;
  line-height: 1.7;
  margin: 2.5rem 0;
  white-space: pre;
  overflow-wrap: normal;
}

.entry-content .wp-block-code,
.entry-content .wp-block-code pre {
  white-space: pre !important;
  overflow-x: auto !important;
  overflow-wrap: normal !important;
}

.entry-content code {
  font-family: "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.8125em;
  background: var(--color-gray-light);
  padding: 0.15em 0.45em;
}

.entry-content pre code {
  background: none;
  padding: 0;
}

/* ===========================
   wp-block-code コードブロック
   =========================== */
.entry-content .wp-block-code {
  position: relative;
}

.entry-content .wp-block-code code {
  font-size: 1rem;
}

.code-copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: rgba(0, 0, 0, 0.05);
  color: #555555;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 6px;
  padding: 0;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
  user-select: none;
}

.code-copy-btn:hover {
  background: rgba(0, 0, 0, 0.1);
  color: #1e1e1e;
}

.code-copy-btn.is-copied {
  background: rgba(34, 139, 34, 0.1);
  color: #2e7d32;
  border-color: rgba(34, 139, 34, 0.3);
}

/* ===========================
   Kuu インライン装飾
   =========================== */

/* 下線 */
.marker-underline-blue  { border-bottom: 2px solid #3B82F6; }
.marker-underline-coral { border-bottom: 2px solid #D85A30; }
.marker-underline-green { border-bottom: 2px solid #1D9E75; }

/* 中下線（蛍光ペン風） */
.marker-mid-blue  { background: linear-gradient(transparent 60%, rgba(59,130,246,0.2) 60%); }
.marker-mid-coral { background: linear-gradient(transparent 60%, rgba(216,90,48,0.2) 60%); }
.marker-mid-green { background: linear-gradient(transparent 60%, rgba(29,158,117,0.2) 60%); }

/* マーカー（全体背景） */
.marker-bg-blue  { background: rgba(59,130,246,0.12); padding: 2px 4px; }
.marker-bg-coral { background: rgba(216,90,48,0.12);  padding: 2px 4px; }
.marker-bg-green { background: rgba(29,158,117,0.12); padding: 2px 4px; }

/* 中下線（斜線） */
.marker-mid-stripe-blue  { background: repeating-linear-gradient(-45deg, transparent, transparent 2px, rgba(59,130,246,0.15) 2px, rgba(59,130,246,0.15) 4px); background-size: 100% 40%; background-position: left bottom; background-repeat: no-repeat; padding: 2px 4px; }
.marker-mid-stripe-coral { background: repeating-linear-gradient(-45deg, transparent, transparent 2px, rgba(216,90,48,0.15) 2px, rgba(216,90,48,0.15) 4px);  background-size: 100% 40%; background-position: left bottom; background-repeat: no-repeat; padding: 2px 4px; }
.marker-mid-stripe-green { background: repeating-linear-gradient(-45deg, transparent, transparent 2px, rgba(29,158,117,0.15) 2px, rgba(29,158,117,0.15) 4px); background-size: 100% 40%; background-position: left bottom; background-repeat: no-repeat; padding: 2px 4px; }

/* マーカー（斜線全体） */
.marker-bg-stripe-blue  { background: repeating-linear-gradient(-45deg, transparent, transparent 2px, rgba(59,130,246,0.1) 2px, rgba(59,130,246,0.1) 4px); padding: 2px 4px; }
.marker-bg-stripe-coral { background: repeating-linear-gradient(-45deg, transparent, transparent 2px, rgba(216,90,48,0.1) 2px, rgba(216,90,48,0.1) 4px);  padding: 2px 4px; }
.marker-bg-stripe-green { background: repeating-linear-gradient(-45deg, transparent, transparent 2px, rgba(29,158,117,0.1) 2px, rgba(29,158,117,0.1) 4px); padding: 2px 4px; }

/* 記事本文：はみ出し防止（包括的） */
.entry-content > * {
  max-width: 100%;
}

.entry-content iframe,
.entry-content embed,
.entry-content object,
.entry-content video {
  max-width: 100%;
  width: 100%;
  height: auto;
}

.entry-content table {
  width: 100%;
  max-width: 100%;
  border-collapse: collapse;
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ===========================
   目次（TOC）
   =========================== */

/* チェックボックス本体は非表示（CSSトグルのトリガーのみ） */
.toc__checkbox {
  display: none;
}

.toc {
  border: 1px solid #d0d0d0;
  background-color: #f5f5f7;
  border-radius: 0;
  padding: 20px 24px;
  width: 80%;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 48px;
  font-size: 0.875rem;
}

/* ラベル：目次タイトルとトグルボタンを横並び */
.toc__label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.toc__title {
  font-size: 0.8125rem;
  font-weight: var(--font-weight-light);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-theme);
}

.toc__open,
.toc__close {
  font-size: 0.8125rem;
  color: var(--color-theme);
  letter-spacing: 0.04em;
}

/* デフォルト：「非表示▲」は隠す */
.toc__close {
  display: none;
}

/* チェック時：目次を表示 */
.toc__checkbox:checked ~ .toc__nav {
  display: block;
}

/* チェック時：「表示する▼」→「非表示▲」に切り替え */
.toc__checkbox:checked ~ .toc__label .toc__open {
  display: none;
}

.toc__checkbox:checked ~ .toc__label .toc__close {
  display: inline;
}

/* 目次ナビ：デフォルトは折りたたみ */
.toc__nav {
  display: none;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-gray-mid);
}

/* entry-content ol { list-style: decimal } の詳細度(0-1-1)に勝つため
   .toc .toc__list (0-2-0) で上書き */
.toc .toc__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;   /* decimal の上書き */
  margin: 0;          /* entry-content ol のマージンをリセット */
  padding-left: 0;
}

/* entry-content li { margin-bottom: 0.5rem } をリセット（gap で管理） */
.toc .toc__item {
  margin-bottom: 0;
}

/* H2 アイテム */
.toc__item--h2 {
  display: flex;
}

/* H3 アイテム：インデント */
.toc__item--h3 {
  padding-left: 1.5em;
}

.toc__link {
  display: flex;
  align-items: baseline;
  gap: 6px;
  color: var(--color-text);
  line-height: 1.6;
  transition: color 0.2s;
}

.toc__link:hover {
  color: var(--color-gray-sub);
}

/* H2 の番号（1. 2. 3.） */
.toc__num {
  font-size: 0.75em;
  color: var(--color-gray-sub);
  flex-shrink: 0;
  min-width: 1.5em;
}

/* SNSシェアボタン */
.post-share {
  border-top: 1px solid var(--color-gray-mid);
  margin-top: 72px;
  padding-top: 40px;
  text-align: center;
}

.post-share__label {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-light);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-gray-sub);
  margin-bottom: 20px;
}

.post-share__buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
}

.post-share__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-gray-sub);
  transition: color 0.2s;
}

.post-share__link:hover {
  color: var(--color-black);
}

.post-share__icon {
  width: 20px;
  height: 20px;
}

/* 関連記事 */
.related-posts {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--color-gray-mid);
}

.related-posts__heading {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray-sub);
  margin-bottom: 24px;
}

/* 著者情報 */
.post-author {
  border-top: 1px solid var(--color-gray-mid);
  margin-top: 48px;
  padding-top: 40px;
}

.post-author__label {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-light);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-gray-sub);
  margin-bottom: 20px;
}

.post-author__inner {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.post-author__avatar {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  background-color: var(--color-gray-light);
  border: 1px solid #b0b0b0;
}

.post-author__avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.post-author__body {
  flex: 1;
  min-width: 0;
}

.post-author__catchphrase {
  font-size: 0.75rem;
  color: var(--color-gray-sub);
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.post-author__name {
  font-size: 0.9375rem;
  font-weight: var(--font-weight-regular);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}

.post-author__bio {
  font-size: 0.8125rem;
  color: var(--color-gray-sub);
  line-height: 1.8;
  margin-bottom: 0;
}

/* 関連記事 */
.related-posts {
  border-top: 1px solid var(--color-gray-mid);
  margin-top: 48px;
  padding-top: 40px;
}

.related-posts__label {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-light);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-gray-sub);
  margin-bottom: 24px;
}

.related-posts__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.related-posts__grid--cols-2 { grid-template-columns: repeat(2, 1fr); }
.related-posts__grid--cols-3 { grid-template-columns: repeat(3, 1fr); }
.related-posts__grid--cols-4 { grid-template-columns: repeat(4, 1fr); }

.related-posts__item {
  display: flex;
  flex-direction: column;
}

.related-posts__thumb {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background-color: var(--color-gray-light);
  margin-bottom: 16px;
}

.related-posts__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.related-posts__thumb:hover img {
  transform: scale(1.03);
}

.related-posts__no-image {
  width: 100%;
  height: 100%;
  background-color: var(--color-gray-light);
}

.related-posts__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.related-posts__title {
  font-size: 0.875rem;
  font-weight: var(--font-weight-light);
  line-height: 1.6;
  letter-spacing: 0.03em;
  margin-bottom: 0;
}

.related-posts__title a:hover {
  opacity: 0.6;
}

.related-posts__date {
  font-size: 0.6875rem;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-gray-sub);
  text-transform: uppercase;
}

@media (max-width: 480px) {
  .related-posts__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* Post Navigation */
.post-nav {
  border-top: 1px solid var(--color-gray-mid);
  margin-top: 88px;
  padding-top: 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.post-nav__label {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-light);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: var(--color-gray-sub);
  margin-bottom: 10px;
}

.post-nav__title {
  font-size: 0.875rem;
  font-weight: var(--font-weight-light);
  line-height: 1.6;
  letter-spacing: 0.03em;
}

.post-nav__title a:hover {
  opacity: 0.6;
}

.post-nav__next {
  text-align: right;
}

/* ===========================
   Archive
   =========================== */
.archive-header {
  padding: 88px 0 64px;
  border-bottom: 1px solid var(--color-gray-mid);
  margin-bottom: 72px;
}

.archive-header__label {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-light);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-gray-sub);
  margin-bottom: 14px;
}

.archive-header__title {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* ===========================
   404
   =========================== */
.error-page {
  padding: 88px 0 72px;
  text-align: center;
  border-bottom: 1px solid var(--color-gray-mid);
  margin-bottom: 64px;
}

.error-page__code {
  font-size: 6rem;
  font-weight: var(--font-weight-thin);
  color: #cccccc;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}

.error-page__title {
  font-size: 1.125rem;
  font-weight: var(--font-weight-light);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.error-page__text {
  font-size: 0.875rem;
  color: var(--color-gray-sub);
  letter-spacing: 0.04em;
  margin-bottom: 48px;
}

/* ゴーストボタン（ネイビーボーダー） */
.btn--ghost {
  background-color: transparent;
  color: var(--color-theme);
  border: 1px solid var(--color-theme);
  border-radius: 0;
}

.btn--ghost:hover {
  background-color: var(--color-theme);
  color: var(--color-white);
  opacity: 1;
}

/* 404 最近の記事 */
.error-recent {
  padding-bottom: 88px;
}

.error-recent__label {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-light);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-gray-sub);
  margin-bottom: 32px;
  text-align: center;
}

.error-recent__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.error-recent__item {
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.4s ease;
}

.error-recent__item:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.error-recent__thumb {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background-color: var(--color-gray-light);
  margin-bottom: 16px;
}

.error-recent__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.error-recent__item:hover .error-recent__thumb img {
  transform: scale(1.05);
}

.error-recent__no-image {
  width: 100%;
  height: 100%;
  background-color: var(--color-gray-light);
}

.error-recent__title {
  font-size: 0.875rem;
  font-weight: var(--font-weight-light);
  line-height: 1.6;
  letter-spacing: 0.03em;
  margin-bottom: 8px;
}

.error-recent__title a:hover {
  opacity: 0.6;
}

.error-recent__date {
  font-size: 0.6875rem;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-gray-sub);
  text-transform: uppercase;
}

@media (max-width: 768px) {
  .error-recent__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .error-page {
    padding: 64px 0 56px;
    margin-bottom: 48px;
  }

  .error-recent {
    padding-bottom: 56px;
  }
}

.btn {
  display: inline-block;
  padding: 14px 48px;
  background-color: var(--color-black);
  color: var(--color-white);
  font-size: 0.6875rem;
  font-weight: var(--font-weight-light);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  transition: background-color 0.2s, color 0.2s, opacity 0.2s;
}

.btn:hover {
  opacity: 0.7;
  color: var(--color-white);
}

/* ===========================
   Footer
   =========================== */
.site-footer {
  background-color: var(--color-theme);
  color: var(--color-theme-text);
  padding: 40px 0;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.2);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.site-footer__name {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: var(--letter-spacing-wider);
  text-transform: none;
  text-align: center;
  margin-bottom: 8px;
}

.site-footer__sns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 16px;
}

.site-footer__sns-link {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  opacity: 0.8;
  transition: opacity 0.2s ease;
  width: 20px;
  height: 20px;
}

.site-footer__sns-link:hover {
  opacity: 0.5;
}

.site-footer__sns-link svg {
  width: 20px;
  height: 20px;
  display: block;
}

.site-footer__copy {
  font-size: 0.6875rem;
  font-weight: 600;
  opacity: 0.5;
  letter-spacing: 0.05em;
  text-transform: none;
  padding-bottom: 80px;
}

/* ===========================
   Responsive
   =========================== */
@media (max-width: 1024px) {
  .post-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 48px 32px;
  }
}

@media (max-width: 768px) {
  .slider-section {
    padding: var(--spacing-section-sp) 0 8px;
  }

  .slider__track {
    gap: 20px;
  }

  .slider__card {
    flex: 0 0 100%;
  }

  .slider__title a {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .site-header__inner {
    height: 58px;
  }

  /* モバイルはヘッダー58px分だけ引き上げ */
  body.home .hero {
    margin-top: -58px;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 52px;
    left: 0;
    right: 0;
    background-color: var(--color-theme);
    padding: 16px 24px 28px;
    border-top: 1px solid rgba(255,255,255,0.08);
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .site-nav__item {
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .site-nav__item a {
    display: block;
    padding: 16px 0;
    font-size: 0.75rem;
  }

  .nav-toggle {
    display: block;
  }

  .post-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .section {
    padding: var(--spacing-section-sp) 0;
  }

  .post-nav {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .post-nav__next {
    text-align: left;
  }

  .error-page__code {
    font-size: 4.5rem;
  }

  .site-footer__inner {
    flex-direction: column;
  }

  .toc {
    padding: 14px 24px;
  }

  .entry-content,
  .entry-content p {
    font-size: 16.5px !important;
  }

  .entry-content h2 {
    font-size: 1.25rem;
    padding: 0.55rem 0;
  }
}

@media (max-width: 480px) {
  html { font-size: 15px; }

  .container {
    padding-left: 24px;
    padding-right: 24px;
  }

  .slider-viewport {
    padding: 8px 40px;
  }

}

/* ===========================
   Admin Bar オフセット補正
   =========================== */

/* デスクトップ：管理バー高さ 32px */
.admin-bar .site-header {
  top: 32px;
}

/* タブレット〜スマホ（≤782px）：管理バー高さ 46px */
@media screen and (max-width: 782px) {
  .admin-bar .site-header {
    top: 46px;
  }

  /* モバイルナビの開始位置も合わせてずらす（管理バー分を加算） */
  .admin-bar .site-nav {
    top: 98px; /* 管理バー 46px + ヘッダー 52px */
  }
}

/* 超小型画面（≤600px）：WordPress が body の margin-top を 0 にリセットするため補正不要 */
@media screen and (max-width: 600px) {
  .admin-bar .site-header {
    top: 0;
  }

  .admin-bar .site-nav {
    top: 52px;
  }
}


/* ===========================
   パンくずリスト
   =========================== */
.breadcrumb {
  padding-top: 32px;
  margin-bottom: 24px;
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  list-style: none;
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  font-size: 0.6875rem;
  font-weight: var(--font-weight-light);
  letter-spacing: 0.06em;
  color: var(--color-gray-sub);
}

/* 区切り文字（2番目以降のアイテムの前に表示） */
.breadcrumb__item + .breadcrumb__item::before {
  content: '/';
  margin: 0 8px;
  color: var(--color-gray-mid);
}

.breadcrumb__link {
  color: var(--color-gray-sub);
  transition: color 0.2s;
}

.breadcrumb__link:hover {
  color: var(--color-black);
}

.breadcrumb__current {
  color: var(--color-gray-sub);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-block;
  vertical-align: bottom;
}

/* ===========================
   コンテンツエリア 上下余白
   =========================== */

/* 固定ページ（プロフィール・プライバシーポリシー・お問い合わせ等） */
body.page .main {
  padding-top: 80px;
  padding-bottom: 80px;
}

/* 記事ページ：post-nav とフッターの間 / 横スクロール防止 */
body.single .main {
  padding-bottom: 80px;
  overflow-x: hidden;
}

body.single .container {
  overflow-x: hidden;
}

/* アーカイブページ：コンテンツとフッターの間 */
body.archive .main {
  padding-bottom: 80px;
}

@media (max-width: 768px) {
  body.page .main {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  body.single .main,
  body.archive .main {
    padding-bottom: 56px;
  }

  .breadcrumb {
    padding-top: 16px;
    margin-bottom: 12px;
  }

  .breadcrumb__current {
    max-width: 150px;
  }

  .post-header {
    padding: 24px 0 32px;
    margin-bottom: 40px;
  }
}

/* ===========================
   ページヘッダー（固定ページ共通）
   =========================== */
.page-header {
  margin-bottom: 56px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-gray-mid);
}

.page-header__label {
  font-size: 0.625rem;
  font-weight: var(--font-weight-light);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-gray-sub);
  margin-bottom: 12px;
}

.page-header__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: var(--letter-spacing-wide);
}


/* ===========================
   お問い合わせフォーム
   =========================== */
.contact-wrap {
  max-width: 640px;
}

/* 完了・エラーメッセージ */
.contact-result {
  padding: 20px 24px;
  margin-bottom: 40px;
  border-left: 2px solid;
}

.contact-result--success {
  border-color: #22c55e;
  background: #f0fdf4;
}

.contact-result--error {
  border-color: #ef4444;
  background: #fef2f2;
}

.contact-result__title {
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
  color: #15803d;
}

.contact-result__text {
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.8;
  color: var(--color-text);
}

.contact-result__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-result__list li {
  font-size: 1.05rem;
  font-weight: 400;
  color: #b91c1c;
}

.contact-result__list li::before {
  content: '・';
}

/* フォーム本体 */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-form__row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-form__label {
  font-size: 1.05rem;
  font-weight: var(--font-weight-regular);
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-form__required {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-white);
  background: var(--color-black);
  padding: 2px 6px;
  line-height: 1.6;
}

.contact-form__input,
.contact-form__textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: var(--font-weight-regular);
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-gray-mid);
  border-radius: 0;
  outline: none;
  transition: border-color 0.2s ease;
  appearance: none;
  -webkit-appearance: none;
}

.contact-form__input:focus,
.contact-form__textarea:focus {
  border-color: var(--color-black);
}

.contact-form__textarea {
  resize: vertical;
  line-height: 1.8;
  min-height: 200px;
}

.contact-form__submit {
  padding-top: 8px;
}

.contact-form__btn {
  display: inline-block;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-white);
  background: var(--color-black);
  border: 1px solid var(--color-black);
  padding: 14px 48px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
  appearance: none;
  -webkit-appearance: none;
}

.contact-form__btn:hover {
  background: var(--color-white);
  color: var(--color-black);
}

@media (max-width: 767px) {
  .contact-form__btn {
    width: 100%;
    text-align: center;
  }
}


/* ===========================
   プロフィールページ
   =========================== */

/* ヒーロー（画像＋名前エリア） */
.profile-hero {
  text-align: center;
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--color-gray-mid);
  margin-bottom: 64px;
}

/* ページタイトル（アバター上） */
.profile-hero__label {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 1.25rem;
}

/* アバター（円形） */
.profile-avatar {
  width: 204px;
  height: 204px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 44px;
  background-color: var(--color-gray-light);
  border: 2px solid #b0b0b0;
}

.profile-avatar__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-avatar__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-avatar__placeholder svg {
  width: 72%;
  height: 72%;
}

/* サイト名 */
.profile-hero__site {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: var(--letter-spacing-wider);
  text-transform: none;
  color: var(--color-gray-sub);
  margin-bottom: 10px;
}

/* 運営者名 */
.profile-hero__name {
  display: block;
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.profile-hero__bio {
  font-size: 0.9375rem;
  color: var(--color-gray-sub);
  text-align: center;
  margin-top: 0.5rem;
  line-height: 1.6;
}

/* 本文エリア */
.profile-body {
  max-width: 640px;
  margin: 0 auto 64px;
  font-size: 1.05rem;
  line-height: 2;
  color: #333333;
  font-weight: 400;
}

.profile-body h2 {
  font-size: 1.0625rem;
  font-weight: 700;
  border-left: 8px solid var(--color-theme);
  padding-left: 1rem;
  margin: 3rem 0 1.25rem;
  letter-spacing: 0.04em;
}

.profile-body p {
  margin-bottom: 1.5rem;
}

.profile-body ul {
  margin: 1rem 0 1.5rem 1.5rem;
  list-style: disc;
}

.profile-body li {
  margin-bottom: 0.5rem;
}

/* SNSリンクエリア */
.profile-sns {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  padding-bottom: 88px;
}

.profile-sns__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-gray-sub);
  transition: color 0.2s;
}

.profile-sns__link:hover {
  color: var(--color-black);
}

.profile-sns__icon {
  width: 20px;
  height: 20px;
}

@media (max-width: 768px) {
  .profile-hero {
    padding: 56px 0 40px;
    margin-bottom: 48px;
  }

  .profile-hero__name {
    display: block;
    font-size: 1.375rem;
    color: var(--color-text);
  }

  .profile-avatar {
    width: 143px;
    height: 143px;
  }

  .profile-body {
    margin-bottom: 48px;
  }

  .profile-sns {
    padding-bottom: 64px;
  }
}

/* ===========================
   本文フォントサイズ
   =========================== */
body.font-size-small  { font-size: 14px; }
body.font-size-medium { font-size: 16px; }
body.font-size-large  { font-size: 18px; }

@media (max-width: 768px) {
  body.font-size-small  { font-size: 13px; }
  body.font-size-medium { font-size: 14px; }
  body.font-size-large  { font-size: 16px; }
}

/* ===========================
   カラーテーマ
   =========================== */

/* ネイビー（デフォルト） */
body.theme-navy {
  --color-theme:      #102f72;
  --color-theme-text: #ffffff;
  --color-bg:         #ffffff;
}

/* エンジ */
body.theme-engee {
  --color-theme:      #9f263d;
  --color-theme-text: #ffffff;
  --color-bg:         #ffffff;
}

/* ベージュ */
body.theme-beige {
  --color-theme:      #bfab90;
  --color-theme-text: #3a2e23;
  --color-bg:         #fdf8f3;
}

/* タフィーピンク */
body.theme-pink {
  --color-theme:      #f987c5;
  --color-theme-text: #ffffff;
  --color-bg:         #fff5fb;
}

/* ダークモード（手動選択） */
body.theme-dark {
  --color-theme:      #2c4a7c;
  --color-theme-text: #e6edf3;
  --color-bg:         #0d1117;
  --color-text:       #c9d1d9;
  --color-gray-light: #161b22;
  --color-gray-mid:   #21262d;
}

/* ダークモード（OSのシステム設定に自動対応、手動選択がない場合） */
@media (prefers-color-scheme: dark) {
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink) {
    --color-theme:      #2c4a7c;
    --color-theme-text: #e6edf3;
    --color-bg:         #0d1117;
    --color-text:       #c9d1d9;
    --color-gray-light: #161b22;
    --color-gray-mid:   #21262d;
  }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink) .section {
    background-color: var(--color-bg);
  }
}

/* ===========================
   ダークモード上書き（スライダー・ヘッダー・フッター）
   =========================== */

body.theme-dark .section {
  background-color: var(--color-bg);
}

body.theme-dark .slider-section {
  background-color: #0d1117;
  border-top-color: #30363d;
}

body.theme-dark .post-card {
  background-color: #161b22;
  color: var(--color-text);
}

body.theme-dark .post-card__title a {
  color: #e6edf3;
}

body.theme-dark .post-card__meta {
  color: var(--color-gray-sub);
}

/* 本文テキスト・見出し・リストを var(--color-text) に統一 */
body.theme-dark .entry-content,
body.theme-dark .entry-content p,
body.theme-dark .entry-content h2,
body.theme-dark .entry-content h3,
body.theme-dark .entry-content h4,
body.theme-dark .entry-content h5,
body.theme-dark .entry-content h6,
body.theme-dark .entry-content li,
body.theme-dark .entry-content td,
body.theme-dark .entry-content th,
body.theme-dark .entry-content blockquote,
body.theme-dark .entry-content figcaption,
body.theme-dark .profile-body,
body.theme-dark .profile-body p,
body.theme-dark .profile-body h2,
body.theme-dark .profile-body h3,
body.theme-dark .profile-body li,
body.theme-dark .post-header__title,
body.theme-dark .post-header__meta,
body.theme-dark .page-header__title,
body.theme-dark .archive-header__title {
  color: var(--color-text);
}

body.theme-dark .entry-content h2 {
  border-top-color: #58a6ff;
  border-bottom-color: #58a6ff;
}

body.theme-dark .toc {
  background-color: #21262d;
  border-color: #30363d;
}

body.theme-dark .entry-content h2,
body.theme-dark .entry-content h3,
body.theme-dark .profile-body h2,
body.theme-dark .profile-body h3 {
  border-left-color: #58a6ff;
}

body.theme-dark .notice-banner {
  background-color: #161b22;
  color: #c9d1d9;
  border-top: 1px solid #30363d;
  border-bottom: 1px solid #30363d;
}
body.theme-dark .notice-banner__text {
  color: #c9d1d9;
}

/* ダークモード：非トップページ＋スクロール後 → ダーク背景・ライト文字 */
body.theme-dark:not(.home) .site-header,
body.theme-dark.home .site-header.is-scrolled {
  background-color: #161b22;
  color: #c9d1d9;
  border-bottom: 1px solid #30363d;
}
body.theme-dark:not(.home) .site-header__logo,
body.theme-dark:not(.home) .site-header__logo *,
body.theme-dark.home .site-header.is-scrolled .site-header__logo,
body.theme-dark.home .site-header.is-scrolled .site-header__logo * {
  color: #e6edf3;
}
body.theme-dark:not(.home) .site-nav__item a,
body.theme-dark.home .site-header.is-scrolled .site-nav__item a {
  color: #c9d1d9;
}
body.theme-dark:not(.home) .nav-toggle,
body.theme-dark.home .site-header.is-scrolled .nav-toggle {
  color: #c9d1d9;
}
body.theme-dark:not(.home) .nav-toggle__bar,
body.theme-dark.home .site-header.is-scrolled .nav-toggle__bar {
  background-color: #c9d1d9;
}

/* ダークモード：トップページ・ヒーロー上 → 透明・白文字 */
body.theme-dark.home .site-header:not(.is-scrolled) {
  background-color: transparent;
  color: #e6edf3;
  border-bottom: none;
}
body.theme-dark.home .site-header:not(.is-scrolled) .site-header__logo,
body.theme-dark.home .site-header:not(.is-scrolled) .site-header__logo * {
  color: #e6edf3;
}
body.theme-dark.home .site-header:not(.is-scrolled) .site-nav__item a {
  color: #e6edf3;
}
body.theme-dark.home .site-header:not(.is-scrolled) .nav-toggle {
  color: #e6edf3;
}
body.theme-dark.home .site-header:not(.is-scrolled) .nav-toggle__bar {
  background-color: #e6edf3;
}

/* ダークモード：ヒーローオーバーレイをPattern Aのbg色ベースに */
body.theme-dark .hero__overlay--30 { background: rgba(13, 17, 23, 0.30); }
body.theme-dark .hero__overlay--50 { background: rgba(13, 17, 23, 0.50); }
body.theme-dark .hero__overlay--70 { background: rgba(13, 17, 23, 0.70); }

/* ダークモード：ヒーローゴーストボタンをアクセントカラーに */
body.theme-dark .hero__cta--ghost {
  border-color: #58a6ff;
  color: #58a6ff;
}
body.theme-dark .hero__cta--ghost:hover {
  background-color: #58a6ff;
  color: #0d1117;
}

body.theme-dark .site-footer {
  background-color: #161b22;
  color: #c9d1d9;
  border-top: 1px solid #30363d;
}
body.theme-dark .site-footer__name,
body.theme-dark .site-footer__copy {
  color: #c9d1d9;
}
body.theme-dark .site-footer__sns-link {
  color: #58a6ff;
}

/* ダークモード：記事ページ */
body.theme-dark .entry-content a            { color: #58a6ff; }
body.theme-dark .entry-content a:hover      { color: #79c0ff; }
body.theme-dark .entry-content figcaption   { color: #8b949e; }
body.theme-dark .entry-content pre          { background-color: #161b22; }
body.theme-dark .entry-content code         { background-color: #21262d; }

body.theme-dark .post-header__category      { color: #c9d1d9; }

body.theme-dark .toc__title                 { color: #e6edf3; }
body.theme-dark .toc__open,
body.theme-dark .toc__close                 { color: #c9d1d9; }
body.theme-dark .toc__link                  { color: #c9d1d9; }
body.theme-dark .toc__link:hover            { color: #58a6ff; }

body.theme-dark .pagination a,
body.theme-dark .pagination span            { border-color: #30363d; color: #c9d1d9; }
body.theme-dark .pagination .current        { background-color: #58a6ff; border-color: #58a6ff; color: #0d1117; }
body.theme-dark .pagination a:hover         { border-color: #58a6ff; }

body.theme-dark .post-nav                   { border-top-color: #30363d; }

body.theme-dark .post-author                { border-top-color: #30363d; }
body.theme-dark .post-author__avatar        { border-color: #30363d; background-color: #21262d; }

body.theme-dark .related-posts              { border-top-color: #30363d; }
body.theme-dark .related-posts__title a     { color: #e6edf3; }

body.theme-dark .widget__title              { border-bottom-color: #58a6ff; }

body.theme-dark .post-card__category        { color: #c9d1d9; }

body.theme-dark .archive-header             { border-bottom-color: #30363d; }
body.theme-dark .error-page                 { border-bottom-color: #30363d; }

@media (prefers-color-scheme: dark) {
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .slider-section {
    background-color: #0d1117;
    border-top-color: #30363d;
  }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content p,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content h2,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content h3,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content h4,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content h5,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content h6,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content li,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content td,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content th,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content blockquote,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content figcaption,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .profile-body,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .profile-body p,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .profile-body h2,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .profile-body h3,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .profile-body li,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .post-header__title,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .post-header__meta,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .page-header__title,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .archive-header__title {
    color: var(--color-text);
  }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content h2 {
    border-top-color: #58a6ff;
    border-bottom-color: #58a6ff;
  }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content h2,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content h3,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .profile-body h2,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .profile-body h3 {
    border-left-color: #58a6ff;
  }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .toc {
    background-color: #21262d;
    border-color: #30363d;
  }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .notice-banner {
    background-color: #161b22;
    color: #c9d1d9;
    border-top: 1px solid #30363d;
    border-bottom: 1px solid #30363d;
  }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .notice-banner__text {
    color: #c9d1d9;
  }

  /* 非トップページ＋スクロール後 → ダーク背景・ライト文字 */
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light):not(.home) .site-header,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light).home .site-header.is-scrolled {
    background-color: #161b22;
    color: #c9d1d9;
    border-bottom: 1px solid #30363d;
  }
  /* トップページ：ヒーロー上は透明 */
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light).home .site-header:not(.is-scrolled) {
    background-color: transparent;
    color: #e6edf3;
    border-bottom: none;
  }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light):not(.home) .site-header__logo,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light):not(.home) .site-header__logo *,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light).home .site-header.is-scrolled .site-header__logo,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light).home .site-header.is-scrolled .site-header__logo * {
    color: #e6edf3;
  }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light).home .site-header:not(.is-scrolled) .site-header__logo,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light).home .site-header:not(.is-scrolled) .site-header__logo * {
    color: #e6edf3;
  }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light):not(.home) .site-nav__item a,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light).home .site-header.is-scrolled .site-nav__item a {
    color: #c9d1d9;
  }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light).home .site-header:not(.is-scrolled) .site-nav__item a {
    color: #e6edf3;
  }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light):not(.home) .nav-toggle,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light).home .site-header.is-scrolled .nav-toggle {
    color: #c9d1d9;
  }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light).home .site-header:not(.is-scrolled) .nav-toggle {
    color: #e6edf3;
  }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light):not(.home) .nav-toggle__bar,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light).home .site-header.is-scrolled .nav-toggle__bar {
    background-color: #c9d1d9;
  }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light).home .site-header:not(.is-scrolled) .nav-toggle__bar {
    background-color: #e6edf3;
  }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .site-footer {
    background-color: #161b22;
    color: #c9d1d9;
    border-top: 1px solid #30363d;
  }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .site-footer__name,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .site-footer__copy {
    color: #c9d1d9;
  }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .site-footer__sns-link {
    color: #58a6ff;
  }

  /* 記事ページ */
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content a            { color: #58a6ff; }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content a:hover      { color: #79c0ff; }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content figcaption   { color: #8b949e; }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content pre          { background-color: #161b22; }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .entry-content code         { background-color: #21262d; }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .post-header__category      { color: #c9d1d9; }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .toc__title                 { color: #e6edf3; }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .toc__open,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .toc__close                 { color: #c9d1d9; }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .toc__link                  { color: #c9d1d9; }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .toc__link:hover            { color: #58a6ff; }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .pagination a,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .pagination span            { border-color: #30363d; color: #c9d1d9; }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .pagination .current        { background-color: #58a6ff; border-color: #58a6ff; color: #0d1117; }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .pagination a:hover         { border-color: #58a6ff; }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .post-nav                   { border-top-color: #30363d; }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .post-author                { border-top-color: #30363d; }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .post-author__avatar        { border-color: #30363d; background-color: #21262d; }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .related-posts              { border-top-color: #30363d; }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .related-posts__title a     { color: #e6edf3; }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .widget__title              { border-bottom-color: #58a6ff; }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .post-card__category        { color: #c9d1d9; }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .archive-header             { border-bottom-color: #30363d; }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .error-page                 { border-bottom-color: #30363d; }

  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .kuu-quote {
    background: #161b22;
    border: none !important;
    border-left: none !important;
    padding: 28px 32px !important;
    margin: 32px 0 !important;
  }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .kuu-quote::before,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .kuu-quote::after {
    color: #8b949e;
    opacity: 1;
  }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .kuu-quote__text  { color: #c9d1d9; }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .kuu-quote__source { color: #8b949e; opacity: 1; }
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .kuu-quote__source::before,
  body:not(.theme-navy):not(.theme-engee):not(.theme-beige):not(.theme-pink):not(.theme-light) .kuu-quote__source::after {
    background: #8b949e;
    opacity: 1;
  }
}

/* ===========================
   ヒーローフェードインアニメーション
   =========================== */

@keyframes hero-fadein {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__brand   { animation: hero-fadein 1.25s ease 0.5s both; }
.hero__tagline { animation: hero-fadein 1.25s ease 0.95s both; }
.hero__sub     { animation: hero-fadein 1.25s ease 1.45s both; }

@media (prefers-reduced-motion: reduce) {
  .hero__brand,
  .hero__tagline,
  .hero__sub,
  .hero__cta {
    animation: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .post-card,
  .post-card__thumb img,
  .error-recent__item,
  .error-recent__thumb img {
    transition: none;
  }
  .post-card:hover .post-card__thumb img,
  .error-recent__item:hover .error-recent__thumb img {
    transform: none;
  }
}

/* ===========================
   レイアウト：サイドバー
   =========================== */
.layout-with-sidebar {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.layout-main {
  flex: 1 1 70%;
  min-width: 0;
}

.sidebar {
  flex: 0 0 calc(30% - 20px);
  min-width: 0;
}

.widget {
  margin-bottom: 32px;
}

.widget__title {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-theme);
}

@media (max-width: 768px) {
  .layout-with-sidebar {
    flex-direction: column;
  }

  .sidebar {
    flex: none;
    width: 100%;
  }
}

/* ===========================
   追従CTAバナー
   =========================== */
.cta-banner {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: min(660px, 90vw);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.cta-banner.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.cta-banner__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 8px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.28);
  transition: opacity 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
}

.cta-banner__btn:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}

/* 色バリアント */
.cta-banner--yellow .cta-banner__btn {
  background-color: #f5d742;
  color: #1a1a1a;
}

.cta-banner--theme .cta-banner__btn {
  background-color: var(--color-theme);
  color: var(--color-theme-text);
}

.cta-banner--white .cta-banner__btn {
  background-color: #e6edf3;
  color: #1a1a1a;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.cta-banner--black .cta-banner__btn {
  background-color: #1a1a1a;
  color: #ffffff;
}

.cta-banner--blue .cta-banner__btn {
  background-color: #3B82F6;
  color: #ffffff;
}

.cta-banner--green .cta-banner__btn {
  background-color: #1D9E75;
  color: #ffffff;
}

.cta-banner--coral .cta-banner__btn {
  background-color: #D85A30;
  color: #ffffff;
}

/* 二者択一レイアウト */
.cta-banner__pair-wrapper {
  display: flex;
  gap: 24px;
  width: 100%;
}

.cta-banner__pair-wrapper .cta-banner__btn {
  flex: 1;
  width: auto;
  min-width: 0;
  padding: 8px 32px;
}

.cta-banner__pair-wrapper .cta-banner__btn--outline {
  background: transparent;
  box-shadow: none;
}

.cta-banner--yellow .cta-banner__pair-wrapper .cta-banner__btn--outline { border: 2px solid #f5d742; color: #f5d742; }
.cta-banner--blue   .cta-banner__pair-wrapper .cta-banner__btn--outline { border: 2px solid #3B82F6; color: #3B82F6; }
.cta-banner--green  .cta-banner__pair-wrapper .cta-banner__btn--outline { border: 2px solid #1D9E75; color: #1D9E75; }
.cta-banner--coral  .cta-banner__pair-wrapper .cta-banner__btn--outline { border: 2px solid #D85A30; color: #D85A30; }
.cta-banner--white  .cta-banner__pair-wrapper .cta-banner__btn--outline { border: 2px solid #e6edf3; color: #e6edf3; }

@media (max-width: 768px) {
  .cta-banner {
    bottom: 28px;
    left: 16px;
    right: 16px;
    width: auto;
    transform: none;
  }

  .cta-banner__btn {
    font-size: 1rem;
  }

  .cta-banner__pair-wrapper {
    gap: 12px;
  }
}

/* ===========================
   カスタムブロック: 内部リンクカード (kuu/internal-link)
   =========================== */

.kuu-internal-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  background: #ffffff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  margin: 24px 0;
  transition: box-shadow 0.15s ease, transform 0.1s ease;
  border: none;
  border-radius: 0;
}

.kuu-internal-link:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.18);
  transform: translateY(-1px);
}

.kuu-internal-link__thumb {
  flex-shrink: 0;
  width: 100px;
  height: 60px;
  min-width: 100px;
  overflow: hidden;
  border-radius: 2px;
}

.kuu-internal-link .kuu-internal-link__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin: 0;
  padding: 0;
  display: block;
}

.kuu-internal-link--compact .kuu-internal-link__thumb {
  width: 100px;
  height: 60px;
}

.kuu-internal-link__body {
  flex: 1;
  min-width: 0;
}

.kuu-internal-link__title {
  font-size: 14px;
  font-weight: 600;
  color: #1a1a1a;
  line-height: 1.4;
  margin: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.kuu-internal-link--compact .kuu-internal-link__title {
  font-size: 14px;
}

.kuu-internal-link__category {
  display: block;
  font-size: 13px;
  color: #888888;
  margin: 4px 0 0;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kuu-internal-link__date {
  display: block;
  font-size: 13px;
  color: #888888;
  margin: 4px 0 0;
  line-height: 1.4;
}

.kuu-internal-link__arrow {
  font-size: 14px;
  color: #cccccc;
  min-width: 16px;
  text-align: center;
  flex-shrink: 0;
}

/* エディタ内プレースホルダー */
.kuu-internal-link__placeholder {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px;
  border: 2px dashed var(--color-gray-light);
  border-radius: 4px;
  color: var(--color-gray-sub);
  font-size: 0.875rem;
}

.kuu-internal-link__loading {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px;
  color: var(--color-gray-sub);
  font-size: 0.875rem;
}

.kuu-internal-link__error {
  padding: 12px 16px;
  background: #fff0f0;
  border-left: 4px solid #e53e3e;
  border-radius: 4px;
  color: #c53030;
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .kuu-internal-link {
    padding: 12px;
  }

  .kuu-internal-link__thumb {
    width: 100px;
    height: 60px;
    min-width: 100px;
  }

  .kuu-internal-link__title {
    font-size: 14px;
  }

  .kuu-internal-link__category,
  .kuu-internal-link__date {
    font-size: 12px;
  }

  .kuu-internal-link__arrow {
    display: none;
  }
}

/* ダークモード */
body.theme-dark .kuu-internal-link {
  background: #2d2d2d;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

body.theme-dark .kuu-internal-link--normal {
  background: #1e293b;
  border-color: #30363d;
}

body.theme-dark .kuu-internal-link:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

body.theme-dark .kuu-internal-link__title {
  color: #ffffff;
}

body.theme-dark .kuu-internal-link__category,
body.theme-dark .kuu-internal-link__date {
  color: #aaaaaa;
}

body.theme-dark .kuu-internal-link__arrow {
  color: #555555;
}

@media (prefers-reduced-motion: reduce) {
  .kuu-internal-link {
    transition: none;
  }
}

/* ===========================
   カスタムブロック: 参考文献カード (kuu/reference)
   =========================== */

.kuu-reference {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  background: #ffffff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
  margin: 24px 0;
  border: none;
  border-radius: 0;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.15s ease, transform 0.1s ease;
}
.kuu-reference--card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.18);
  transform: translateY(-1px);
}

.kuu-reference--list {
  background: transparent;
  box-shadow: none;
  border-top: 2px solid #1a1a1a;
  padding: 16px 0;
}
.kuu-reference--list:hover {
  opacity: 0.7;
  transform: none;
}
.kuu-reference--list .kuu-reference__icon {
  color: #999999;
}

.kuu-reference__icon {
  font-size: 14px;
  color: #3B82F6;
  min-width: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

.kuu-reference__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.kuu-reference__title {
  font-size: 14px;
  font-weight: 600;
  color: #1a1a1a;
  line-height: 1.5;
  margin: 0;
}

.kuu-reference__title--placeholder {
  color: #999999;
  font-weight: 400;
}

.kuu-reference__desc {
  font-size: 13px;
  color: #888888;
  margin: 4px 0 0 0;
  line-height: 1.6;
}

.kuu-reference__url {
  display: block;
  font-size: 13px;
  color: #3B82F6;
  margin: 4px 0 0 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

body.theme-dark .kuu-reference--card {
  background: #1e293b;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
body.theme-dark .kuu-reference--card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}
body.theme-dark .kuu-reference--list {
  border-top-color: #475569;
}
body.theme-dark .kuu-reference--list .kuu-reference__icon {
  color: #64748b;
}
body.theme-dark .kuu-reference__title {
  color: #e2e8f0;
}
body.theme-dark .kuu-reference__desc {
  color: #94a3b8;
}
body.theme-dark .kuu-reference__url {
  color: #60a5fa;
}

/* .entry-content a 等の上書き対策（詳細度 0-3-0） */
.entry-content .kuu-reference .kuu-reference__url {
  font-size: 14px !important;
  margin: 2px 0 0 0 !important;
}

.entry-content .kuu-reference .kuu-reference__desc {
  margin: 4px 0 0 0 !important;
}

.entry-content .kuu-reference--card {
  max-width: calc(100% - 24px);
  margin-left: auto;
  margin-right: auto;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12) !important;
}

.entry-content .kuu-reference--card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.18) !important;
}

@media (prefers-reduced-motion: reduce) {
  .kuu-internal-link {
    transition: none;
  }
}

/* ===========================
   カスタムブロック: Kuu引用 (kuu/quote)
   =========================== */

.kuu-quote {
  position: relative;
  background: #f2f2f2;
  padding: 28px 32px;
  margin: 32px 0;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.kuu-quote::before {
  content: "\201C";
  position: absolute;
  top: 10px;
  left: 16px;
  font-size: 28px;
  color: #c0bdb6;
  font-family: Georgia, serif;
  line-height: 1;
}

.kuu-quote::after {
  content: "\201D";
  position: absolute;
  bottom: 10px;
  right: 16px;
  font-size: 28px;
  color: #c0bdb6;
  font-family: Georgia, serif;
  line-height: 1;
}

.kuu-quote__text {
  font-size: 16px;
  line-height: 1.9;
  color: #333333;
  text-align: left;
  margin: 0;
  padding: 0 20px;
  font-style: normal;
}

.kuu-quote__source {
  display: block;
  font-size: 13px;
  color: #999999;
  font-style: normal;
  text-align: right;
  margin: 16px 48px 0 0;
  padding-right: 0;
}

.kuu-quote__source::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 1px;
  background: #c0bdb6;
  vertical-align: middle;
  margin-right: 6px;
}

.kuu-quote__source::after {
  content: "";
  display: inline-block;
  width: 12px;
  height: 1px;
  background: #c0bdb6;
  vertical-align: middle;
  margin-left: 6px;
}

body.theme-dark .kuu-quote {
  background: #1e293b;
  border: none !important;
  border-left: none !important;
  padding: 28px 32px !important;
  margin: 32px 0 !important;
}

body.theme-dark .kuu-quote::before,
body.theme-dark .kuu-quote::after {
  color: #58a6ff;
  opacity: 0.75;
}

body.theme-dark .kuu-quote__text {
  color: #e6edf3;
}

body.theme-dark .kuu-quote__source {
  color: #8b949e;
  opacity: 1;
}

/* ===========================
   カスタムブロック: Kuuボックス (kuu/box)
   =========================== */

.kuu-box {
  padding: 20px 24px;
  margin: 24px 0;
  font-size: 14px;
  line-height: 1.8;
  color: #333333;
}

.kuu-box p { margin: 0; }
.kuu-box ul,
.kuu-box ol { margin: 0; padding-left: 20px; }

.kuu-box__label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.kuu-box__label-icon { font-size: 15px; }
.kuu-box__label-text { font-size: 13px; font-weight: 600; }

/* 注意 */
.kuu-box--caution { background: #FFF9ED; }
.kuu-box--caution .kuu-box__label-text { color: #92610A; }

/* ポイント */
.kuu-box--point { background: #EFF6FF; }
.kuu-box--point .kuu-box__label-text { color: #1E40AF; }

/* メモ */
.kuu-box--memo { background: #F3F4F6; }
.kuu-box--memo .kuu-box__label-text { color: #374151; }

/* コード */
.kuu-box--code { background: #1a1a1a; color: #e2e8f0; }
.kuu-box--code .kuu-box__label-text { color: #9CA3AF; }
.kuu-box--code pre {
  margin: 0;
  padding: 0;
  background: transparent;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 14px;
  line-height: 1.8;
  letter-spacing: normal;
  white-space: pre-wrap;
  overflow-x: auto;
  color: #e2e8f0;
}

/* ダークモード */
body.theme-dark .kuu-box--caution { background: #1c1a15; color: #c9d1d9; border: 1px solid #554a2e; }
body.theme-dark .kuu-box--caution .kuu-box__label-text { color: #e6edf3; }
body.theme-dark .kuu-box--point   { background: #15202e; color: #c9d1d9; border: 1px solid #2a4a7a; }
body.theme-dark .kuu-box--point   .kuu-box__label-text { color: #e6edf3; }
body.theme-dark .kuu-box--memo    { background: #141e1e; color: #c9d1d9; border: 1px solid #2a4a4a; }
body.theme-dark .kuu-box--memo    .kuu-box__label-text { color: #e6edf3; }
body.theme-dark .kuu-box--code    { background: #161b22; color: #c9d1d9; border: 1px solid #3d444d; }
body.theme-dark .kuu-box--code    .kuu-box__label-text { color: #e6edf3; }
body.theme-dark .kuu-box--code pre { color: #e2e8f0; }

/* ===========================
   カスタムブロック: Kuuファイル (kuu/file)
   =========================== */

.kuu-file {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  margin: 24px 0;
  transition: box-shadow 0.15s ease, transform 0.1s ease;
}

.kuu-file:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  transform: translateY(-1px);
}

.kuu-file__icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kuu-file__icon-text {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.kuu-file__body {
  flex: 1;
  overflow: hidden;
}

.kuu-file__title {
  font-size: 14px;
  font-weight: 600;
  color: #1a1a1a;
  margin: 0;
  line-height: 1.4;
}

.kuu-file__meta {
  font-size: 12px;
  color: #999999;
  margin: 2px 0 0 0;
}

.kuu-file__download {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: #1a1a1a;
  color: #ffffff;
  font-size: 12px;
  font-weight: 500;
  border-radius: 4px;
  white-space: nowrap;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease;
}

.kuu-file__download:hover {
  background: #333333;
}

/* ファイル種別カラー */
.kuu-file__icon--pdf { background: #FEF2F2; }
.kuu-file__icon--pdf .kuu-file__icon-text { color: #DC2626; }

.kuu-file__icon--zip { background: #EFF6FF; }
.kuu-file__icon--zip .kuu-file__icon-text { color: #3B82F6; }

.kuu-file__icon--audio { background: #F5F3FF; }
.kuu-file__icon--audio .kuu-file__icon-text { color: #7C3AED; }

.kuu-file__icon--video { background: #ECFDF5; }
.kuu-file__icon--video .kuu-file__icon-text { color: #059669; }

.kuu-file__icon--code { background: #F3F4F6; }
.kuu-file__icon--code .kuu-file__icon-text { color: #374151; }

.kuu-file__icon--doc { background: #EFF6FF; }
.kuu-file__icon--doc .kuu-file__icon-text { color: #1E40AF; }

.kuu-file__icon--default { background: #F3F4F6; }
.kuu-file__icon--default .kuu-file__icon-text { color: #6B7280; }

/* モバイル */
@media (max-width: 768px) {
  .kuu-file { padding: 10px 12px; gap: 12px; }
  .kuu-file__icon { width: 36px; height: 36px; min-width: 36px; }
  .kuu-file__icon-text { font-size: 11px; }
  .kuu-file__title { font-size: 13px; }
  .kuu-file__download { padding: 6px 10px; font-size: 11px; }
}

/* エディタープレースホルダー */
.kuu-file__placeholder {
  padding: 24px;
  border: 2px dashed #d1d5db;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f9fafb;
  min-height: 80px;
}

/* ダークモード */
body.theme-dark .kuu-file { background: #282e36; border: 1px solid #3d444d; box-shadow: 0 2px 8px rgba(0,0,0,0.3); }
body.theme-dark .kuu-file:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.3); }
body.theme-dark .kuu-file__title { color: #e6edf3; }
body.theme-dark .kuu-file__meta { color: #8b949e; }
body.theme-dark .kuu-file__download { background: #30363d; color: #c9d1d9; border: 1px solid #525960; }
body.theme-dark .kuu-file__download:hover { background: #e0e0e0; }
body.theme-dark .kuu-file__icon--pdf { background: #3b1c1c; }
body.theme-dark .kuu-file__icon--pdf .kuu-file__icon-text { color: #f87171; }
body.theme-dark .kuu-file__icon--zip { background: #172554; }
body.theme-dark .kuu-file__icon--zip .kuu-file__icon-text { color: #60a5fa; }
body.theme-dark .kuu-file__icon--audio { background: #2e1065; }
body.theme-dark .kuu-file__icon--audio .kuu-file__icon-text { color: #a78bfa; }
body.theme-dark .kuu-file__icon--video { background: #052e16; }
body.theme-dark .kuu-file__icon--video .kuu-file__icon-text { color: #34d399; }
body.theme-dark .kuu-file__icon--code { background: #1e293b; }
body.theme-dark .kuu-file__icon--code .kuu-file__icon-text { color: #9ca3af; }
body.theme-dark .kuu-file__icon--doc { background: #1e2a4a; }
body.theme-dark .kuu-file__icon--doc .kuu-file__icon-text { color: #93c5fd; }
body.theme-dark .kuu-file__icon--default { background: #2a2a2a; }
body.theme-dark .kuu-file__icon--default .kuu-file__icon-text { color: #9CA3AF; }

body.theme-dark .kuu-quote__source::before,
body.theme-dark .kuu-quote__source::after {
  background: #8b949e;
  opacity: 1;
}

/* ===========================
   カスタムブロック: Kuuサウンド (kuu/sound)
   =========================== */

.kuu-sound {
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  padding: 16px;
  margin: 24px 0;
}

.kuu-sound__audio {
  display: none;
}

.kuu-sound__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.kuu-sound__thumb {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}

.kuu-sound__info {
  flex: 1;
  min-width: 0;
}

.kuu-sound__title {
  font-size: 14px;
  font-weight: 600;
  color: #1a1a1a;
  margin: 0 0 4px;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kuu-sound__duration {
  font-size: 12px;
  color: #999999;
}

.kuu-sound__controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.kuu-sound__play {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 50%;
  background: #1a1a1a;
  color: #ffffff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: background 0.15s ease;
}

.kuu-sound__play:hover {
  background: #333333;
}

.kuu-sound__play:disabled {
  opacity: 0.5;
  cursor: default;
}

.kuu-sound__progress {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.kuu-sound__bar {
  flex: 1;
  height: 4px;
  background: #e5e7eb;
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.kuu-sound__fill {
  height: 100%;
  background: #1a1a1a;
  border-radius: 2px;
  width: 0%;
  transition: width 0.1s linear;
}

.kuu-sound__time {
  font-size: 11px;
  color: #999999;
  white-space: nowrap;
  min-width: 32px;
  text-align: right;
}

/* エディタープレースホルダー */
.kuu-sound__placeholder {
  padding: 24px;
  border: 2px dashed #d1d5db;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f9fafb;
  min-height: 80px;
}

/* モバイル */
@media (max-width: 768px) {
  .kuu-sound { padding: 12px; }
  .kuu-sound__thumb { width: 48px; height: 48px; }
  .kuu-sound__title { font-size: 13px; }
  .kuu-sound__play { width: 32px; height: 32px; min-width: 32px; font-size: 11px; }
}

/* ダークモード */
body.theme-dark .kuu-sound { background: #161b22 !important; border: 1px solid #3d444d !important; box-shadow: none !important; }
body.theme-dark .kuu-sound__title { color: #c9d1d9 !important; }
body.theme-dark .kuu-sound__duration,
body.theme-dark .kuu-sound__time { color: #8b949e !important; }
body.theme-dark .kuu-sound__play { background: #21262d !important; color: #58a6ff !important; border: 1px solid #525960 !important; }
body.theme-dark .kuu-sound__play:hover { background: #2d333b !important; }
body.theme-dark .kuu-sound__bar { background: #30363d !important; }
body.theme-dark .kuu-sound__fill { background: #ffffff; }
body.theme-dark .kuu-sound__play-btn { color: #58a6ff !important; }
body.theme-dark .kuu-sound__play::before,
body.theme-dark .kuu-sound__play-btn::before { color: #58a6ff !important; }

/* ===========================
   カスタムブロック: Kuuムービー (kuu/movie)
   =========================== */

.kuu-movie {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000000;
  overflow: hidden;
  margin: 24px 0;
  user-select: none;
}

.kuu-movie__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.kuu-movie__overlay {
  position: absolute;
  inset: 0;
  transition: opacity 0.25s ease;
}

.kuu-movie.is-playing .kuu-movie__overlay {
  opacity: 0;
}

.kuu-movie.is-playing:hover .kuu-movie__overlay {
  opacity: 1;
}

.kuu-movie__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.55);
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.6);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: background 0.15s ease, transform 0.15s ease;
  z-index: 1;
}

.kuu-movie__play:hover {
  background: rgba(0, 0, 0, 0.75);
  transform: translate(-50%, -50%) scale(1.1);
}

.kuu-movie__play:disabled {
  opacity: 0.5;
  cursor: default;
  transform: translate(-50%, -50%);
}

.kuu-movie__bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, transparent 100%);
  padding: 32px 14px 12px;
  z-index: 1;
}

.kuu-movie__info {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
}

.kuu-movie__title {
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
  margin: 0;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kuu-movie__duration {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.75);
  white-space: nowrap;
}

.kuu-movie__controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kuu-movie__progress {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.kuu-movie__bar {
  flex: 1;
  height: 3px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  cursor: pointer;
  overflow: hidden;
}

.kuu-movie__fill {
  height: 100%;
  background: #ffffff;
  border-radius: 2px;
  width: 0%;
  transition: width 0.1s linear;
}

.kuu-movie__time {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.8);
  white-space: nowrap;
  min-width: 32px;
  text-align: right;
}

.kuu-movie__mute {
  background: none;
  border: none;
  color: #ffffff;
  cursor: pointer;
  font-size: 14px;
  padding: 0;
  line-height: 1;
  flex-shrink: 0;
}

.kuu-movie__mute:disabled {
  opacity: 0.5;
  cursor: default;
}

/* エディタープレースホルダー */
.kuu-movie__placeholder {
  aspect-ratio: 16 / 9;
  border: 2px dashed #d1d5db;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f9fafb;
  margin: 24px 0;
}

/* モバイル */
@media (max-width: 768px) {
  .kuu-movie__play { width: 44px; height: 44px; font-size: 15px; }
  .kuu-movie__play:hover { transform: translate(-50%, -50%) scale(1.05); }
  .kuu-movie__title { font-size: 12px; }
  .kuu-movie__bottom { padding: 24px 12px 10px; }
}

/* ダークモード */
body.theme-dark .kuu-movie__placeholder {
  background: #2d2d2d;
  border-color: #444444;
}
body.theme-dark .kuu-movie__play-btn { background: rgba(100, 100, 100, 0.75) !important; border: 1px solid rgba(255, 255, 255, 0.3) !important; }
body.theme-dark .kuu-movie__play-btn:hover { background: rgba(80, 80, 80, 0.85) !important; }
body.theme-dark .kuu-movie__overlay { background: linear-gradient(transparent, rgba(0, 0, 0, 0.75)) !important; }
body.theme-dark .kuu-movie__title { color: #e6edf3 !important; }
body.theme-dark .kuu-movie__duration { color: rgba(255, 255, 255, 0.8) !important; }
body.theme-dark .kuu-movie__play-icon { color: #ffffff !important; }
body.theme-dark .kuu-movie__play-icon *,
body.theme-dark .kuu-movie__play-icon::before,
body.theme-dark .kuu-movie__play-icon::after,
body.theme-dark .kuu-movie__play-btn *,
body.theme-dark .kuu-movie__play-btn::before,
body.theme-dark .kuu-movie__play-btn::after { color: #ffffff !important; }
body.theme-dark .kuu-movie__play-icon img.emoji,
body.theme-dark .kuu-movie__play-btn img.emoji { filter: brightness(0) invert(1) !important; }

/* ===========================
   カスタムブロック: Kuuテーブル (kuu/table)
   =========================== */

.kuu-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 24px 0;
}

.kuu-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 320px;
}

.kuu-table thead tr {
  background: var(--color-theme);
}

.kuu-table thead th {
  color: #ffffff;
  font-weight: 600;
  padding: 10px 14px;
  text-align: left;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.kuu-table thead th:last-child {
  border-right: none;
}

.kuu-table tbody tr {
  border-bottom: 1px solid #e5e7eb;
}

.kuu-table tbody tr:last-child {
  border-bottom: none;
}

.kuu-table tbody th {
  background: #f3f4f6;
  font-weight: 700;
  padding: 10px 14px;
  text-align: left;
  white-space: nowrap;
  color: #374151;
}

.kuu-table tbody td {
  padding: 10px 14px;
  color: #374151;
}

.kuu-table tbody tr:nth-child(even) td {
  background: #f9fafb;
}

/* ダークモード */
body.theme-dark .kuu-table thead tr { background: #48505a !important; }
body.theme-dark .kuu-table thead th { color: #e6edf3 !important; border-color: #2d333b !important; border-right: 2px solid #2d333b !important; }
body.theme-dark .kuu-table tbody tr { border-bottom-color: #374151; }
body.theme-dark .kuu-table tbody th { background: #161b22 !important; color: #c9d1d9 !important; }
body.theme-dark .kuu-table tbody td { background: #0d1117 !important; color: #c9d1d9 !important; }
body.theme-dark .kuu-table tbody th,
body.theme-dark .kuu-table tbody td { border-left: 1px solid #30363d !important; border-right: none !important; border-top: none !important; border-bottom: 1px solid #30363d !important; }
body.theme-dark .kuu-table tbody tr th:first-child,
body.theme-dark .kuu-table tbody tr td:first-child { border-left: none !important; }
body.theme-dark .kuu-table tbody tr:nth-child(even) td { background: #2a2a2a; }

/* ===========================
   カスタムブロック: Kuuボタン (kuu/button)
   =========================== */

.kuu-button {
  margin: 24px 0;
}

.kuu-button--center {
  display: flex;
  justify-content: center;
  width: min(460px, 75vw);
  margin-left: auto;
  margin-right: auto;
}

.kuu-button--dual {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.kuu-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 32px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: opacity 0.15s ease, transform 0.1s ease;
  border: 2px solid transparent;
  white-space: nowrap;
  line-height: 1.4;
}

.kuu-btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
  text-decoration: none;
}

.kuu-btn--center {
  width: min(460px, 75vw);
  padding: 8px 32px;
}

/* 塗りつぶし */
.kuu-btn--black { background: #1a1a1a; color: #ffffff; }
.kuu-btn--blue  { background: #3B82F6; color: #ffffff; }
.kuu-btn--green { background: #1D9E75; color: #ffffff; }
.kuu-btn--coral { background: #D85A30; color: #ffffff; }
.kuu-btn--yellow { background: #F5D742; color: #1a1a1a; }

/* アウトライン（二者択一の左ボタン） */
.kuu-btn--black.kuu-btn--outline  { background: transparent; color: #1a1a1a; }
.kuu-btn--blue.kuu-btn--outline   { background: transparent; color: #3B82F6; }
.kuu-btn--green.kuu-btn--outline  { background: transparent; color: #1D9E75; }
.kuu-btn--coral.kuu-btn--outline  { background: transparent; color: #D85A30; }
.kuu-btn--yellow.kuu-btn--outline { background: transparent; color: #92610A; border-color: #F5D742; }

/* モバイル */
@media (max-width: 768px) {
  .kuu-btn { padding: 8px 24px; font-size: 15px; }
  .kuu-button--dual { gap: 8px; }
}

/* ダークモード */
body.theme-dark .kuu-btn--black { background: #c9d1d9 !important; color: #0d1117 !important; border-color: #c9d1d9 !important; }
body.theme-dark .kuu-btn--black:hover { background: #b0b8c1 !important; border-color: #b0b8c1 !important; }
body.theme-dark .kuu-btn--black.kuu-btn--outline { background: transparent; color: #e5e7eb; border-color: #e5e7eb; }
body.theme-dark .kuu-btn--blue  { background: #3B82F6; color: #ffffff; border-color: #3B82F6; }
body.theme-dark .kuu-btn--blue.kuu-btn--outline  { background: transparent; color: #60A5FA; border-color: #60A5FA; }
body.theme-dark .kuu-btn--green { background: #1D9E75; color: #ffffff; border-color: #1D9E75; }
body.theme-dark .kuu-btn--green.kuu-btn--outline { background: transparent; color: #34D399; border-color: #34D399; }
body.theme-dark .kuu-btn--coral { background: #D85A30; color: #ffffff; border-color: #D85A30; }
body.theme-dark .kuu-btn--coral.kuu-btn--outline { background: transparent; color: #F97316; border-color: #F97316; }
body.theme-dark .kuu-btn--yellow   { background: #F5D742; color: #1a1a1a; border-color: #F5D742; }
body.theme-dark .kuu-btn--yellow.kuu-btn--outline { background: transparent; color: #F5D742; border-color: #F5D742; }

/* .entry-content a の上書き対策（詳細度 0-2-1） */
.entry-content .kuu-btn--black  { background: #1a1a1a; color: #ffffff !important; }
.entry-content .kuu-btn--blue   { background: #3B82F6; color: #ffffff !important; }
.entry-content .kuu-btn--green  { background: #1D9E75; color: #ffffff !important; }
.entry-content .kuu-btn--coral  { background: #D85A30; color: #ffffff !important; }
.entry-content .kuu-btn--yellow { background: #F5D742; color: #1a1a1a !important; }

.entry-content .kuu-button--center .kuu-btn {
  width: min(420px, 70vw);
  padding: 10px 32px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.28);
}

/* .entry-content 上書き対策：内部リンクカード（詳細度 0-3-0〜0-2-0） */
.entry-content .kuu-internal-link .kuu-internal-link__title {
  margin: 0 !important;
}

.entry-content .kuu-internal-link .kuu-internal-link__category {
  margin: 0 0 2px 0 !important;
}

.entry-content .kuu-internal-link {
  max-width: calc(100% - 24px);
  margin-left: auto;
  margin-right: auto;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12) !important;
}

.entry-content .kuu-internal-link:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.18) !important;
}

/* 引用・ボックスのシャドウ */
.entry-content .kuu-blockquote,
.entry-content .kuu-quote {
  box-shadow: 0 1px 6px rgba(0,0,0,0.06);
  border: none !important;
  border-right: none !important;
  outline: none !important;
}

.entry-content .kuu-box {
  box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}

/* kuu-file overrides */
.entry-content .kuu-file {
  max-width: calc(100% - 24px);
  margin-left: auto;
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: #ffffff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
}
.entry-content .kuu-file .kuu-file__icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0;
}
.entry-content .kuu-file .kuu-file__icon-text {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.entry-content .kuu-file .kuu-file__body {
  flex: 1;
  overflow: hidden;
  padding-left: 8px;
}
.entry-content .kuu-file .kuu-file__title {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
}
.entry-content .kuu-file .kuu-file__meta {
  font-size: 12px;
  color: #999;
  margin: 2px 0 0 0;
}

/* kuu-movie overrides */
.entry-content .kuu-movie__video-area {
  width: 100%;
  aspect-ratio: 16 / 9;
  position: relative;
  background: #0a0a0a;
  overflow: hidden;
}
.entry-content .kuu-movie__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  top: auto;
  padding: 24px 40px 12px;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
  z-index: 1;
}
.entry-content .kuu-movie__overlay-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.entry-content .kuu-movie__title {
  font-size: 15px !important;
  font-weight: 600;
  color: #ffffff !important;
  margin: 0;
}
.entry-content .kuu-movie__duration {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}
.entry-content .kuu-movie__overlay-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}
.entry-content .kuu-movie__progress {
  flex: 1;
  height: 3px;
  background: rgba(255,255,255,0.3);
  border-radius: 2px;
}
.entry-content .kuu-movie__time {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  min-width: 36px;
  text-align: right;
}
.entry-content .kuu-movie__mute-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: rgba(255,255,255,0.7) !important;
  font-size: 14px;
  padding: 0;
}
.entry-content .kuu-movie__mute-btn svg {
  width: 20px;
  height: 20px;
}
.entry-content .kuu-movie__play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  width: 68px;
  height: 68px;
  background: rgba(255,255,255,0.9) !important;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
}
.entry-content .kuu-movie__play-btn svg {
  fill: #1a1a1a !important;
  width: 24px;
  height: 24px;
}

/* kuu-sound overrides */
.entry-content .kuu-sound {
  background: #ffffff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12) !important;
  padding: 18px 20px;
  margin: 24px auto;
  max-width: calc(100% - 80px);
}
.entry-content .kuu-sound:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.18) !important;
}
.entry-content .kuu-sound .kuu-sound__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.entry-content .kuu-sound .kuu-sound__title {
  font-size: 14px;
  font-weight: 600;
  color: #1a1a1a;
  margin: 0;
}
.entry-content .kuu-sound .kuu-sound__duration {
  font-size: 12px;
  color: #999;
}
.entry-content .kuu-sound .kuu-sound__controls {
  display: flex;
  align-items: center;
  gap: 12px;
}
.entry-content .kuu-sound .kuu-sound__play-btn,
.entry-content .kuu-sound a.kuu-sound__play-btn,
.entry-content .kuu-sound button.kuu-sound__play-btn {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: #1a1a1a !important;
  color: #ffffff !important;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
}
.entry-content .kuu-sound .kuu-sound__play-btn *,
.entry-content .kuu-sound .kuu-sound__play-btn::before,
.entry-content .kuu-sound .kuu-sound__play-btn::after {
  color: #ffffff !important;
}
.entry-content .kuu-sound .kuu-sound__play-btn .kuu-sound__play-icon {
  color: #ffffff !important;
  font-size: 16px;
}
.entry-content .kuu-sound .kuu-sound__progress {
  flex: 1;
  height: 4px;
  background: #e5e5e5;
  border-radius: 2px;
  cursor: pointer;
}
.entry-content .kuu-sound .kuu-sound__time {
  font-size: 11px;
  color: #999;
  min-width: 40px;
  text-align: right;
}

/* kuu-table overrides */
.entry-content .kuu-table-wrap {
  width: 100% !important;
  min-width: 100% !important;
  overflow-x: auto;
}
.entry-content .kuu-table-wrap .kuu-table {
  display: table !important;
  width: 100% !important;
  min-width: 100% !important;
  max-width: none !important;
  table-layout: auto;
}
.entry-content .kuu-table-wrap .kuu-table th,
.entry-content .kuu-table-wrap .kuu-table td {
  white-space: normal !important;
  width: auto !important;
  max-width: none !important;
}

/* ===========================
   Safari ステータスバー対策：トップページのみ
   =========================== */
body.home {
  background-color: var(--color-theme);
}

body.home .main {
  background-color: var(--color-bg);
}

body.theme-dark.home {
  background-color: var(--color-bg);
}

@media (prefers-color-scheme: dark) {
  body:not(.theme-navy):not(.theme-beige):not(.theme-engee):not(.theme-pink).home {
    background-color: var(--color-bg);
  }
}