/*
Theme Name: Cocoon Child (Quiet Tech Minimal)
Description: Cocoon子テーマ - Quiet Tech Minimal / Readable First Edition v1.5.1
Theme URI: https://wp-cocoon.com/
Author: naokke
Template: cocoon-master
Version: 1.5.1
*/

/*
  注意:
  - サイトに Cocoon 公式子テーマ (cocoon-child-master) が既に有効化されている場合、
    このファイルは丸ごと使わず、下の Quiet Tech ブロックだけを既存の
    子テーマ style.css 末尾へ追記する。
  - Cocoon は親テーマCSSを自動で読み込むため @import や enqueue の追加は不要。
*/

/* =========================================================
   Quiet Tech Minimal Design Customization
   Version: 1.5.1
   Purpose: Cocoon子テーマのデザイン改善
   Rollback: このブロック全体を削除すれば元に戻せる
========================================================= */

/* ---------- デザイントークン（仕様書 §14） ---------- */
/* --nt-* 変数はこのブロック内でのみ参照する。
   Cocoon・プラグインの変数は上書きしない。 */

:root {
  --nt-bg: #f7fafc;
  --nt-paper: #ffffff;
  --nt-ink: #17202a;
  --nt-muted: #5f6f7f;
  --nt-border: #dbe5f0;

  --nt-blue: #246bfe;
  --nt-blue-dark: #0b4edb;
  --nt-blue-soft: #eaf1ff;

  --nt-navy: #071a2f;
  --nt-mint-soft: #d8f5ea;

  --nt-space-xs: 6px;
  --nt-space-sm: 10px;
  --nt-space-md: 16px;
  --nt-space-lg: 24px;
  --nt-space-xl: 40px;
  --nt-space-2xl: 64px;

  --nt-radius-sm: 8px;
  --nt-radius-md: 14px;
  --nt-radius-lg: 22px;

  --nt-font-sm: 0.875rem;
  --nt-font-md: 1rem;
  --nt-font-lg: 1.125rem;
  --nt-font-xl: 1.5rem;
  --nt-font-2xl: 2rem;

  --nt-line-height: 1.9;

  --nt-shadow-sm: 0 4px 14px rgba(23, 32, 42, 0.06);
  --nt-shadow-md: 0 12px 34px rgba(23, 32, 42, 0.10);

  --nt-speed: 0.22s;
  --nt-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --nt-lift: -4px;
  --nt-scale: 1.03;
}

/* reduced-motion: Quiet Techトークンのみ変更（仕様書 §22）。
   全称セレクタでCocoon全体のtransitionは停止しない。 */
@media (prefers-reduced-motion: reduce) {
  :root {
    --nt-speed: 0.01ms;
    --nt-lift: 0px;
    --nt-scale: 1;
  }
}

/* ---------- タイポグラフィ（仕様書 §15） ---------- */

body {
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "Hiragino Sans",
    "Noto Sans JP",
    sans-serif;
}

/* ---------- Phase 1: confirmed Cocoon selectors ---------- */

.skin-grayish.public-page {
  color: var(--nt-ink);
  background-color: var(--nt-bg);
}

.skin-grayish .content {
  background-color: var(--nt-bg);
}

.skin-grayish .content-in {
  gap: var(--nt-space-lg);
  padding-top: var(--nt-space-lg);
  padding-bottom: var(--nt-space-xl);
}

/* Header and navigation */

.skin-grayish.front-top-page .container .header-container .header {
  height: clamp(280px, 30vw, 320px);
  min-height: 280px;
  background-color: var(--nt-paper);
  background-image: none;
}

.skin-grayish.front-top-page .header .header-in {
  height: 100%;
}

.skin-grayish.front-top-page .header-in .site-name-text {
  color: var(--nt-ink);
  font-size: clamp(2rem, 4.2vw, 3.25rem);
  font-weight: 750;
  letter-spacing: 0.08em;
}

.skin-grayish.front-top-page .header-in .tagline {
  color: var(--nt-muted);
  font-size: var(--nt-font-sm);
  letter-spacing: 0.08em;
}

.skin-grayish.front-top-page .skinadd-topmv-scroll {
  display: none;
}

.skin-grayish #navi-in {
  background-color: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--nt-border);
}

.skin-grayish .navi-in > ul > li > a {
  color: var(--nt-ink);
  font-weight: 650;
}

.skin-grayish .navi-in > ul li > a > .caption-wrap::before,
.skin-grayish .navi-footer-in a::before {
  background-color: var(--nt-blue);
  height: 2px;
  transition-duration: var(--nt-speed);
  transition-timing-function: var(--nt-ease);
}

.skin-grayish :where(.navi-in, .navi-footer-in) a:hover {
  color: var(--nt-blue-dark);
}

/* Main surfaces */

.skin-grayish:not(.front-top-page) .main {
  background-color: var(--nt-paper);
  border: 1px solid var(--nt-border);
  border-radius: var(--nt-radius-md);
  box-shadow: var(--nt-shadow-sm);
}

.skin-grayish .archive-title,
.skin-grayish .entry-title {
  color: var(--nt-ink);
  font-weight: 750;
  letter-spacing: 0.02em;
}

.skin-grayish .archive-title {
  border-bottom: 2px solid var(--nt-blue-soft);
}

/* Entry cards */

.skin-grayish .ect-vertical-card {
  gap: var(--nt-space-md);
}

.skin-grayish .entry-card-wrap.a-wrap {
  overflow: hidden;
  background-color: var(--nt-paper);
  border: 1px solid var(--nt-border);
  border-radius: var(--nt-radius-md);
  box-shadow: var(--nt-shadow-sm);
  transition:
    transform var(--nt-speed) var(--nt-ease),
    box-shadow var(--nt-speed) var(--nt-ease),
    border-color var(--nt-speed) var(--nt-ease);
}

.skin-grayish .entry-card-wrap.a-wrap:hover {
  background-color: var(--nt-paper);
  border-color: rgba(36, 107, 254, 0.45);
  box-shadow: var(--nt-shadow-md);
  transform: translateY(var(--nt-lift));
}

.skin-grayish .entry-card-wrap.a-wrap .entry-card-thumb {
  overflow: hidden;
  margin: var(--nt-space-sm) var(--nt-space-sm) 0;
  border-radius: var(--nt-radius-sm);
}

.skin-grayish .entry-card-wrap.a-wrap .entry-card-thumb img {
  transition: scale var(--nt-speed) var(--nt-ease);
}

.skin-grayish .entry-card-wrap.a-wrap:hover .entry-card-thumb img {
  scale: var(--nt-scale);
}

.skin-grayish .entry-card-content {
  padding: var(--nt-space-sm) var(--nt-space-md) var(--nt-space-md);
}

.skin-grayish .entry-card-title {
  color: var(--nt-ink);
  font-size: var(--nt-font-lg);
  font-weight: 750;
  line-height: 1.55;
  transition: color var(--nt-speed) var(--nt-ease);
}

.skin-grayish .entry-card-wrap:hover .entry-card-title {
  color: var(--nt-blue-dark);
}

.skin-grayish .entry-card-snippet {
  display: -webkit-box;
  overflow: hidden;
  color: var(--nt-muted);
  font-size: var(--nt-font-sm);
  line-height: 1.7;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
}

.skin-grayish .entry-card-meta,
.skin-grayish .post-date {
  color: var(--nt-muted);
  font-size: 0.78rem;
}

.skin-grayish .cat-label {
  color: var(--nt-paper);
  background-color: var(--nt-blue-dark);
  border-radius: 0 var(--nt-radius-sm) 0 0;
  font-weight: 650;
}

/* Article typography */

.skin-grayish .article .entry-content {
  color: var(--nt-ink);
  font-size: clamp(1rem, 0.98rem + 0.1vw, 1.0625rem);
  line-height: var(--nt-line-height);
}

.skin-grayish .article .entry-content p {
  margin-bottom: 1.5em;
}

.skin-grayish .article .entry-content a {
  color: var(--nt-blue-dark);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.skin-grayish .article .entry-content h2 {
  margin-top: var(--nt-space-2xl);
  margin-bottom: var(--nt-space-lg);
  padding: 0.8em 1em;
  color: var(--nt-ink);
  background-color: var(--nt-blue-soft);
  border: 0;
  border-left: 5px solid var(--nt-blue);
  border-radius: var(--nt-radius-sm);
  font-size: clamp(1.35rem, 1.2rem + 0.5vw, 1.75rem);
  letter-spacing: 0.04em;
  rotate: 0deg;
}

.skin-grayish .article .entry-content h2::before,
.skin-grayish .article .entry-content h3::before {
  display: none;
}

.skin-grayish .article .entry-content h3 {
  margin-top: var(--nt-space-xl);
  margin-bottom: var(--nt-space-md);
  padding: 0.35em 0 0.45em;
  color: var(--nt-ink);
  background: transparent;
  border: 0;
  border-bottom: 2px solid var(--nt-border);
  font-size: clamp(1.15rem, 1.05rem + 0.35vw, 1.4rem);
  letter-spacing: 0.03em;
  rotate: 0deg;
}

.skin-grayish .article .entry-content h3::after {
  display: block;
  width: 64px;
  height: 2px;
  margin-bottom: -0.55em;
  content: "";
  background-color: var(--nt-blue);
}

.skin-grayish .article .entry-content blockquote {
  margin: var(--nt-space-lg) 0;
  padding: var(--nt-space-md) var(--nt-space-lg);
  color: var(--nt-muted);
  background-color: var(--nt-blue-soft);
  border: 0;
  border-left: 4px solid var(--nt-blue);
  border-radius: var(--nt-radius-sm);
}

.skin-grayish .article .entry-content pre.wp-block-code {
  overflow-x: auto;
  padding: var(--nt-space-lg);
  color: #f4f8ff;
  background-color: var(--nt-navy);
  border: 0;
  border-radius: var(--nt-radius-md);
}

.skin-grayish .article .entry-content pre.wp-block-code code {
  color: inherit;
}

.skin-grayish .article .entry-content pre.wp-block-code:has(> code:empty) {
  display: none;
}

/* Table of contents and related entries */

.skin-grayish .toc {
  overflow: hidden;
  background-color: var(--nt-paper);
  border-radius: var(--nt-radius-md);
  box-shadow: var(--nt-shadow-sm);
}

.skin-grayish .toc-title {
  color: var(--nt-ink);
  background: var(--nt-blue-soft);
  font-weight: 750;
}

.skin-grayish :is(.toc-list li, .toc-list li a, .toc-title) {
  color: var(--nt-ink);
}

.skin-grayish .toc-list a:hover {
  color: var(--nt-blue-dark);
}

.skin-grayish .related-entry-heading,
.skin-grayish .comment-title,
.skin-grayish .main-widget-label {
  color: var(--nt-ink);
  border-bottom-color: var(--nt-blue);
  font-weight: 750;
}

.skin-grayish .related-entry-card-wrap.a-wrap {
  overflow: hidden;
  background-color: var(--nt-paper);
  border: 1px solid var(--nt-border);
  border-radius: var(--nt-radius-md);
  box-shadow: var(--nt-shadow-sm);
  transition:
    transform var(--nt-speed) var(--nt-ease),
    box-shadow var(--nt-speed) var(--nt-ease);
}

.skin-grayish .related-entry-card-wrap.a-wrap:hover {
  background-color: var(--nt-paper);
  box-shadow: var(--nt-shadow-md);
  transform: translateY(var(--nt-lift));
}

.skin-grayish .related-entry-card-title {
  color: var(--nt-ink);
  font-weight: 700;
  line-height: 1.55;
}

/* Sidebar */

.skin-grayish .sidebar .widget.widget-sidebar {
  margin-bottom: var(--nt-space-lg);
  padding: var(--nt-space-md);
  background-color: var(--nt-paper);
  border: 1px solid var(--nt-border);
  border-radius: var(--nt-radius-md);
  box-shadow: var(--nt-shadow-sm);
}

.skin-grayish .sidebar .widget-sidebar-title {
  margin: 0 0 var(--nt-space-md);
  padding: 0 0 var(--nt-space-sm);
  color: var(--nt-ink);
  background: transparent;
  border: 0;
  border-bottom: 2px solid var(--nt-blue-soft);
  font-size: var(--nt-font-lg);
  font-weight: 750;
}

.skin-grayish .sidebar .widget a {
  color: var(--nt-ink);
  transition: color var(--nt-speed) var(--nt-ease);
}

.skin-grayish .sidebar .widget a:hover {
  color: var(--nt-blue-dark);
}

/* Top page composition: match the approved local mockup with the existing
   Cocoon sidebar widgets. Grayish hides this sidebar by default. */

@media screen and (min-width: 1101px) {
  .skin-grayish.front-top-page.no-sidebar .content .content-in.wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 306px;
    gap: var(--nt-space-lg);
    align-items: start;
    width: min(calc(100% - 32px), 1400px);
  }

  .skin-grayish.front-top-page.no-sidebar .content .main {
    width: auto;
    min-width: 0;
    margin: 0;
    padding-right: 0;
    padding-left: 0;
  }

  .skin-grayish.front-top-page.no-sidebar .content .sidebar {
    display: grid;
    width: auto;
    min-width: 0;
    margin: 0;
    padding: 20px 0 0;
  }

  .skin-grayish.front-top-page .ect-vertical-card {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.skin-grayish.front-top-page .content .sidebar {
  align-content: start;
  gap: 12px;
}

.skin-grayish.front-top-page .sidebar .widget.widget-sidebar {
  margin: 0;
  padding: 14px;
  border-radius: 12px;
}

.skin-grayish.front-top-page .sidebar .widget_author_box {
  order: 1;
}

.skin-grayish.front-top-page .sidebar .widget_search {
  order: 2;
  padding: 6px;
}

.skin-grayish.front-top-page .sidebar .widget_popular_entries {
  order: 3;
}

.skin-grayish.front-top-page .sidebar .widget_categories {
  order: 4;
}

.skin-grayish.front-top-page .sidebar > .widget_nav_menu,
.skin-grayish.front-top-page .sidebar > .widget_new_entries,
.skin-grayish.front-top-page .sidebar > .sidebar-scroll {
  display: none;
}

.skin-grayish.front-top-page .sidebar .widget-sidebar-title {
  margin-bottom: 10px;
  padding-bottom: 8px;
  font-size: 0.9375rem;
}

.skin-grayish.front-top-page .sidebar .widget_search .widget-sidebar-title {
  display: none;
}

.skin-grayish.front-top-page .sidebar .author-box {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 4px 10px;
  padding: 0;
  text-align: left;
  background: transparent;
  border: 0;
}

.skin-grayish.front-top-page .sidebar .author-box .author-thumb {
  grid-row: 1 / 3;
  grid-column: 1;
  width: 56px;
  margin: 0;
}

.skin-grayish.front-top-page .sidebar .author-box .author-content {
  display: contents;
}

.skin-grayish.front-top-page .sidebar .author-box .author-name {
  grid-row: 1;
  grid-column: 2;
  align-self: end;
  margin: 0;
  padding: 0;
  text-align: left;
}

.skin-grayish.front-top-page .sidebar .author-box .author-widget-name {
  margin-top: 3px;
  font-size: 0.72rem;
  line-height: 1.45;
}

.skin-grayish.front-top-page .sidebar .author-box .author-description {
  grid-row: 2;
  grid-column: 2;
  margin: 0;
  padding: 0;
  font-size: 0.72rem;
  line-height: 1.55;
  text-align: left;
}

.skin-grayish.front-top-page .sidebar .author-box .author-follows {
  display: none;
}

.skin-grayish.front-top-page .sidebar .popular-entry-cards {
  display: grid;
  gap: 6px;
}

.skin-grayish.front-top-page .sidebar .popular-entry-card-link {
  padding: 0;
}

.skin-grayish.front-top-page .sidebar .popular-entry-card {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  gap: 7px;
  align-items: center;
}

.skin-grayish.front-top-page .sidebar .popular-entry-card-thumb {
  width: 60px;
  margin: 0;
}

.skin-grayish.front-top-page .sidebar .popular-entry-card-content {
  min-width: 0;
  margin: 0;
}

.skin-grayish.front-top-page .sidebar .popular-entry-card-title {
  font-size: 0.72rem;
  font-weight: 650;
  line-height: 1.45;
}

.skin-grayish.front-top-page .sidebar .widget_categories select {
  width: 100%;
  min-height: 42px;
  padding: 0 36px 0 12px;
  color: var(--nt-ink);
  background-color: var(--nt-paper);
  border: 1px solid var(--nt-border);
  border-radius: var(--nt-radius-sm);
}

/* Search and buttons */

.skin-grayish .search-box {
  overflow: hidden;
  border: 1px solid var(--nt-border);
  border-radius: var(--nt-radius-sm);
  background-color: var(--nt-paper);
}

.skin-grayish .search-edit {
  min-height: 44px;
  color: var(--nt-ink);
  background-color: var(--nt-paper);
}

.skin-grayish .search-submit {
  min-width: 44px;
  min-height: 44px;
  color: var(--nt-paper);
  background-color: var(--nt-blue-dark);
  transition: background-color var(--nt-speed) var(--nt-ease);
}

.skin-grayish .search-submit:hover {
  background-color: var(--nt-blue);
}

.skin-grayish .list-new-entries .list-more-button,
.skin-grayish .list-columns .list-more-button,
.skin-grayish .pagination-next-link,
.skin-grayish .index-tab-wrap .list-more-button,
.skin-grayish .comment-btn {
  color: var(--nt-paper);
  background-color: var(--nt-blue-dark);
  border: 1px solid var(--nt-blue-dark);
  border-radius: var(--nt-radius-sm);
  box-shadow: var(--nt-shadow-sm);
  transition:
    transform var(--nt-speed) var(--nt-ease),
    background-color var(--nt-speed) var(--nt-ease),
    box-shadow var(--nt-speed) var(--nt-ease);
}

.skin-grayish .list-new-entries .list-more-button::before,
.skin-grayish .list-columns .list-more-button::before,
.skin-grayish .pagination-next-link::before,
.skin-grayish .index-tab-wrap .list-more-button::before,
.skin-grayish .comment-btn::before {
  display: none;
}

.skin-grayish .list-new-entries .list-more-button:hover,
.skin-grayish .list-columns .list-more-button:hover,
.skin-grayish .pagination-next-link:hover,
.skin-grayish .index-tab-wrap .list-more-button:hover,
.skin-grayish .comment-btn:hover {
  color: var(--nt-paper);
  background-color: var(--nt-blue);
  border-color: var(--nt-blue);
  box-shadow: var(--nt-shadow-md);
  transform: translateY(var(--nt-lift));
}

/* Breadcrumb and pagination */

.skin-grayish .breadcrumb {
  color: var(--nt-muted);
}

.skin-grayish .breadcrumb-caption {
  color: var(--nt-muted);
}

.skin-grayish a:hover > .breadcrumb-caption {
  color: var(--nt-blue-dark);
}

.skin-grayish .pagination .page-numbers,
.skin-grayish .pager-links.pager-numbers .post-page-numbers .page-numbers {
  color: var(--nt-ink);
  background-color: var(--nt-paper);
  border-color: var(--nt-border);
  transition:
    transform var(--nt-speed) var(--nt-ease),
    color var(--nt-speed) var(--nt-ease),
    border-color var(--nt-speed) var(--nt-ease);
}

.skin-grayish .pagination .page-numbers.current,
.skin-grayish .pager-links.pager-numbers .post-page-numbers .page-numbers.current {
  color: var(--nt-paper);
  background-color: var(--nt-blue-dark);
  border-color: var(--nt-blue-dark);
}

.skin-grayish .pagination a:hover,
.skin-grayish .pager-links.pager-numbers .post-page-numbers .page-numbers:not(.current):hover {
  color: var(--nt-blue-dark);
  background-color: var(--nt-blue-soft);
  border-color: var(--nt-blue);
  scale: var(--nt-scale);
}

/* Footer */

.skin-grayish .footer {
  color: #dbe7f4;
  background-color: var(--nt-navy);
}

.skin-grayish .footer .site-name-text,
.skin-grayish .footer a,
.skin-grayish .footer .copyright {
  color: #dbe7f4;
}

.skin-grayish .footer a:hover {
  color: #a9c9ff;
}

/* Focus */

.skin-grayish :where(
  .navi-in a,
  .entry-card-wrap,
  .related-entry-card-wrap,
  .sidebar a,
  .search-edit,
  .search-submit,
  .pagination a,
  .entry-content a
):focus-visible {
  outline: 3px solid rgba(36, 107, 254, 0.7);
  outline-offset: 3px;
}

/* Responsive */

@media screen and (max-width: 1100px) {
  .skin-grayish.front-top-page .container .header-container .header {
    height: 260px;
    min-height: 260px;
  }

  .skin-grayish.front-top-page .header-in .site-name-text {
    font-size: clamp(2rem, 8vw, 2.75rem);
  }

  .skin-grayish .ect-vertical-card {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .skin-grayish.front-top-page.no-sidebar .content .content-in.wrap {
    display: block;
    width: min(calc(100% - 24px), 1400px);
  }

  .skin-grayish.front-top-page.no-sidebar .content .main {
    width: auto;
    margin: 0;
  }

  .skin-grayish.front-top-page.no-sidebar .content .sidebar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: auto;
    margin: var(--nt-space-lg) 0 0;
    padding: 0;
  }

  .skin-grayish:not(.front-top-page) .main {
    border-right: 0;
    border-left: 0;
    border-radius: 0;
    box-shadow: none;
  }
}

@media screen and (max-width: 720px) {
  .skin-grayish.front-top-page.no-sidebar .content .sidebar {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media screen and (max-width: 599px) {
  .skin-grayish.front-top-page .container .header-container .header {
    height: 220px;
    min-height: 220px;
  }

  .skin-grayish.front-top-page .header-in .site-name-text {
    font-size: clamp(1.8rem, 10vw, 2.4rem);
  }

  .skin-grayish.front-top-page .header-in .tagline {
    font-size: 0.78rem;
  }

  .skin-grayish .entry-card-title {
    font-size: 1rem;
  }

  .skin-grayish .article .entry-content h2 {
    margin-top: var(--nt-space-xl);
    padding: 0.75em 0.85em;
    font-size: 1.3rem;
  }

  .skin-grayish .article .entry-content h3 {
    font-size: 1.12rem;
  }

  .skin-grayish .toc {
    border-radius: var(--nt-radius-sm);
  }
}

@media screen and (max-width: 480px) {
  .skin-grayish .ect-vertical-card {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* =========================================================
   End Quiet Tech Minimal Design Customization
========================================================= */