/*
Theme Name: TT5 Codex Child
Theme URI: https://example.com/
Description: Child theme for Twenty Twenty-Five, prepared for GitHub/Codex-driven improvements.
Author: Site Owner
Template: twentytwentyfive
Version: 1.3.0
Text Domain: tt5-codex-child
*/

:root {
  --sk-ink: #13201d;
  --sk-muted: #5d6c66;
  --sk-line: #d8e1dc;
  --sk-base: #fbfaf6;
  --sk-panel: #ffffff;
  --sk-soft: #edf6f2;
  --sk-dark: #102322;
  --sk-dark-2: #173533;
  --sk-primary: #0f766e;
  --sk-primary-dark: #0b5c56;
  --sk-blue: #1f6fd1;
  --sk-accent: #b42318;
  --sk-warning: #b7791f;
  --sk-shadow: 0 18px 42px rgba(19, 32, 29, 0.08);
}

html {
  scroll-behavior: smooth;
}

body.sk-theme {
  background: var(--sk-base);
  color: var(--sk-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.sk-theme .wp-site-blocks {
  overflow-x: hidden;
}

body.sk-theme a {
  color: var(--sk-primary-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

body.sk-theme a:hover {
  color: var(--sk-accent);
}

body.sk-theme :where(h1, h2, h3, h4, p, li, a, span, strong, em) {
  letter-spacing: 0;
}

body.sk-theme :where(h1, h2, h3, h4) {
  color: var(--sk-ink);
  text-wrap: balance;
}

body.sk-theme :focus-visible {
  outline: 3px solid rgba(31, 111, 209, 0.34);
  outline-offset: 3px;
}

body.sk-theme img {
  height: auto;
  max-width: 100%;
}

body.sk-theme main.wp-block-group,
body.sk-theme main {
  margin-top: 0;
}

.sk-shell {
  box-sizing: border-box;
  margin-left: auto;
  margin-right: auto;
  max-width: 1180px;
  padding-left: 24px;
  padding-right: 24px;
  width: 100%;
}

.sk-eyebrow {
  color: var(--sk-primary-dark);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0;
  line-height: 1.25;
  margin: 0 0 0.6rem;
  text-transform: uppercase;
}

.sk-button,
body.sk-theme .wp-block-button__link,
body.sk-theme .sk-global-article-cta__button {
  align-items: center;
  border-radius: 8px;
  display: inline-flex;
  font-weight: 850;
  justify-content: center;
  line-height: 1.25;
  min-height: 46px;
  padding: 0.86rem 1.08rem;
  text-decoration: none;
  transition: background-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.sk-button:hover,
body.sk-theme .wp-block-button__link:hover,
body.sk-theme .sk-global-article-cta__button:hover {
  transform: translateY(-1px);
}

.sk-button--primary,
body.sk-theme .wp-block-button__link,
body.sk-theme .sk-global-article-cta__button {
  background: var(--sk-primary);
  border: 1px solid var(--sk-primary);
  box-shadow: 0 12px 24px rgba(15, 118, 110, 0.2);
  color: #fff;
}

.sk-button--primary:hover,
body.sk-theme .wp-block-button__link:hover,
body.sk-theme .sk-global-article-cta__button:hover {
  background: var(--sk-primary-dark);
  color: #fff;
}

.sk-button--ghost,
body.sk-theme .wp-block-button.is-style-outline .wp-block-button__link {
  background: #fff;
  border: 1px solid rgba(216, 225, 220, 0.92);
  box-shadow: 0 8px 18px rgba(19, 32, 29, 0.06);
  color: var(--sk-ink);
}

.sk-button--ghost:hover,
body.sk-theme .wp-block-button.is-style-outline .wp-block-button__link:hover {
  background: var(--sk-soft);
  color: var(--sk-primary-dark);
}

.sk-site-header {
  background: rgba(251, 250, 246, 0.94);
  border-bottom: 1px solid rgba(216, 225, 220, 0.86);
  position: sticky;
  top: 0;
  z-index: 30;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

body.admin-bar.sk-theme .sk-site-header {
  top: 32px;
}

.sk-site-header__inner {
  align-items: center;
  display: flex;
  gap: 1.2rem;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1180px;
  min-height: 68px;
  padding: 0 24px;
}

.sk-site-brand {
  align-items: center;
  color: var(--sk-ink);
  display: inline-flex;
  gap: 0.66rem;
  font-size: 1rem;
  font-weight: 900;
  min-width: max-content;
  text-decoration: none;
}

.sk-site-brand:hover {
  color: var(--sk-ink);
}

.sk-site-brand__mark {
  align-items: center;
  background: var(--sk-dark);
  border-radius: 8px;
  color: #fff;
  display: inline-flex;
  font-size: 0.78rem;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.sk-site-nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.34rem;
  justify-content: flex-end;
}

.sk-site-nav a {
  border-radius: 999px;
  color: var(--sk-ink);
  font-size: 0.9rem;
  font-weight: 750;
  padding: 0.48rem 0.72rem;
  text-decoration: none;
}

.sk-site-nav a:hover {
  background: var(--sk-soft);
  color: var(--sk-primary-dark);
}

.sk-hero {
  background: linear-gradient(120deg, #f5fbf8 0%, #fbfaf6 48%, #eaf4ef 100%);
  border-bottom: 1px solid var(--sk-line);
  overflow: hidden;
  position: relative;
}

.sk-hero::before {
  background: repeating-linear-gradient(90deg, rgba(16, 35, 34, 0.04) 0 1px, transparent 1px 84px);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.sk-hero__inner {
  align-items: center;
  display: grid;
  gap: 56px;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.78fr);
  min-height: 680px;
  padding-bottom: 72px;
  padding-top: 72px;
  position: relative;
}

.sk-hero__copy h1 {
  font-size: 4.8rem;
  font-weight: 950;
  line-height: 0.98;
  margin: 0;
  max-width: 8em;
}

.sk-hero__lead {
  color: var(--sk-muted);
  font-size: 1.12rem;
  line-height: 1.95;
  margin: 1.28rem 0 0;
  max-width: 42rem;
}

.sk-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.72rem;
  margin-top: 1.55rem;
}

.sk-hero-visual {
  background: var(--sk-dark);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  box-shadow: 0 28px 70px rgba(16, 35, 34, 0.26);
  min-height: 460px;
  overflow: hidden;
  padding: 1.25rem;
  position: relative;
}

.sk-hero-visual::before {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 62%);
  content: "";
  inset: 0;
  position: absolute;
}

.sk-visual-card,
.sk-visual-home,
.sk-visual-grid {
  position: relative;
  z-index: 1;
}

.sk-visual-card--top {
  background: #f5fbf8;
  border-radius: 8px;
  display: grid;
  gap: 0.3rem;
  padding: 1rem;
}

.sk-visual-card--top span {
  color: var(--sk-primary-dark);
  font-size: 0.76rem;
  font-weight: 850;
}

.sk-visual-card--top strong {
  color: var(--sk-ink);
  font-size: 1.12rem;
}

.sk-visual-home {
  background: #ecf5f1;
  border-radius: 8px;
  height: 156px;
  margin-top: 1rem;
  overflow: hidden;
}

.sk-visual-home__roof,
.sk-visual-home__body,
.sk-visual-home__shield {
  position: absolute;
}

.sk-visual-home__roof {
  background: var(--sk-primary);
  clip-path: polygon(50% 0, 100% 48%, 82% 48%, 82% 100%, 18% 100%, 18% 48%, 0 48%);
  height: 88px;
  left: 42px;
  top: 42px;
  width: 138px;
}

.sk-visual-home__body {
  background: #cfe3db;
  border-radius: 8px;
  height: 84px;
  right: 34px;
  top: 42px;
  width: 128px;
}

.sk-visual-home__shield {
  align-items: center;
  background: var(--sk-blue);
  border-radius: 999px;
  color: #fff;
  display: flex;
  font-weight: 950;
  height: 52px;
  justify-content: center;
  right: 86px;
  top: 24px;
  width: 52px;
}

.sk-visual-grid {
  display: grid;
  gap: 0.76rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1rem;
}

.sk-visual-grid div {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  min-height: 98px;
  padding: 0.88rem;
}

.sk-visual-grid strong {
  color: #fff;
  display: block;
  font-size: 1.02rem;
}

.sk-visual-grid span {
  color: rgba(255, 255, 255, 0.72);
  display: block;
  font-size: 0.82rem;
  line-height: 1.6;
  margin-top: 0.35rem;
}

.sk-proof-band {
  background: var(--sk-dark);
  color: #fff;
}

.sk-proof-band__inner {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding-bottom: 0;
  padding-top: 0;
}

.sk-proof-band p {
  background: rgba(255, 255, 255, 0.055);
  color: rgba(255, 255, 255, 0.78);
  margin: 0;
  min-height: 86px;
  padding: 1.05rem;
}

.sk-proof-band strong {
  color: #fff;
  display: block;
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.sk-proof-band span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
}

.sk-section {
  padding-bottom: 36px;
  padding-top: 76px;
}

.sk-section__head {
  align-items: end;
  display: flex;
  gap: 2rem;
  justify-content: space-between;
  margin-bottom: 1.35rem;
}

.sk-section__head h2,
.sk-start h2,
.sk-standard h2,
.sk-bottom-cta h2,
.sk-index-hero h1 {
  font-size: 2.35rem;
  font-weight: 900;
  line-height: 1.16;
  margin: 0;
}

.sk-section__head p,
.sk-start p,
.sk-standard span,
.sk-bottom-cta p {
  color: var(--sk-muted);
  line-height: 1.85;
  margin: 0;
}

.sk-route-grid,
.sk-library-grid,
.sk-standard-grid {
  display: grid;
  gap: 1rem;
}

.sk-route-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sk-route-card,
.sk-library-grid a,
.sk-start,
.sk-standard-grid div,
.sk-index-card,
.sk-sidebar-box,
.sk-sidebar-note {
  background: var(--sk-panel);
  border: 1px solid var(--sk-line);
  border-radius: 8px;
  box-shadow: var(--sk-shadow);
}

.sk-route-card {
  color: var(--sk-ink);
  display: grid;
  min-height: 242px;
  padding: 1.3rem;
  text-decoration: none;
}

.sk-route-card span {
  color: var(--sk-primary-dark);
  font-size: 0.74rem;
  font-weight: 850;
}

.sk-route-card strong {
  color: var(--sk-ink);
  display: block;
  font-size: 1.34rem;
  line-height: 1.35;
  margin-top: 0.65rem;
}

.sk-route-card em {
  align-self: end;
  color: var(--sk-muted);
  font-style: normal;
  line-height: 1.75;
}

.sk-route-card:hover,
.sk-library-grid a:hover,
.sk-start-list a:hover,
.sk-index-card:hover {
  border-color: rgba(15, 118, 110, 0.42);
  color: var(--sk-primary-dark);
  transform: translateY(-1px);
}

.sk-start {
  padding: 0;
}

.sk-start__inner {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1fr);
  padding: 2rem 24px;
}

.sk-start-list {
  display: grid;
  gap: 0.74rem;
}

.sk-start-list a {
  align-items: center;
  background: #fff;
  border: 1px solid var(--sk-line);
  border-radius: 8px;
  color: var(--sk-ink);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 1rem;
  text-decoration: none;
}

.sk-start-list strong {
  line-height: 1.4;
}

.sk-start-list span {
  color: var(--sk-muted);
  font-size: 0.82rem;
  white-space: nowrap;
}

.sk-library-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sk-library-grid a {
  color: var(--sk-ink);
  display: block;
  min-height: 142px;
  padding: 1.08rem;
  text-decoration: none;
}

.sk-library-grid strong {
  display: block;
  font-size: 1.05rem;
  line-height: 1.45;
}

.sk-library-grid span {
  color: var(--sk-muted);
  display: block;
  font-size: 0.94rem;
  line-height: 1.76;
  margin-top: 0.48rem;
}

.sk-standard {
  border-top: 1px solid var(--sk-line);
}

.sk-standard-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.15rem;
}

.sk-standard-grid div {
  border-top: 3px solid var(--sk-primary);
  min-height: 156px;
  padding: 1.1rem;
}

.sk-standard-grid strong {
  display: block;
  line-height: 1.5;
  margin-bottom: 0.45rem;
}

.sk-bottom-cta {
  padding: 58px 0 20px;
}

.sk-bottom-cta__inner {
  align-items: center;
  background: var(--sk-dark);
  border-radius: 8px;
  color: #fff;
  display: flex;
  gap: 1.2rem;
  justify-content: space-between;
  padding-bottom: 1.35rem;
  padding-top: 1.35rem;
}

.sk-bottom-cta h2,
.sk-bottom-cta .sk-eyebrow {
  color: #fff;
}

.sk-bottom-cta p {
  color: rgba(255, 255, 255, 0.72);
}

.sk-site-footer {
  background: var(--sk-dark);
  color: rgba(255, 255, 255, 0.72);
  margin-top: 70px;
  padding: 46px 24px;
}

.sk-site-footer__inner {
  align-items: start;
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1fr) auto;
  margin: 0 auto;
  max-width: 1180px;
}

.sk-site-footer__label {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.74rem;
  font-weight: 850;
  margin: 0 0 0.42rem;
}

.sk-site-footer h2 {
  color: #fff;
  font-size: 1.34rem;
  margin: 0 0 0.45rem;
}

.sk-site-footer p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.75;
  margin: 0;
  max-width: 42rem;
}

.sk-site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1rem;
  justify-content: flex-end;
}

.sk-site-footer a {
  color: #fff;
  font-weight: 750;
  text-decoration: none;
}

.sk-article-hero,
.sk-index-hero {
  background: #f2f8f5;
  border-bottom: 1px solid var(--sk-line);
  padding: 68px 0 44px;
}

.sk-article-hero__inner,
.sk-index-hero .sk-shell {
  max-width: 900px;
}

.sk-article-title,
.sk-article-hero h1,
.sk-index-hero h1 {
  font-size: 3.2rem;
  font-weight: 930;
  line-height: 1.12;
  margin: 0;
}

.sk-article-excerpt,
.sk-index-hero p {
  color: var(--sk-muted);
  font-size: 1.05rem;
  line-height: 1.9;
  margin: 1rem 0 0;
}

.sk-article-meta {
  align-items: center;
  color: var(--sk-muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.9rem;
  gap: 0.7rem;
  margin-top: 1.05rem;
}

.sk-article-meta time,
.sk-article-meta span {
  color: var(--sk-muted);
}

.sk-article-layout {
  align-items: start;
  display: grid;
  gap: 42px;
  grid-template-columns: minmax(0, 760px) 300px;
  padding-top: 48px;
}

.sk-article-content {
  min-width: 0;
}

.sk-article-content :where(p, li) {
  color: #2b3935;
  font-size: 1.02rem;
  line-height: 1.92;
}

.sk-article-content :where(h2) {
  border-top: 1px solid var(--sk-line);
  font-size: 1.82rem;
  line-height: 1.32;
  margin-top: 2.7rem;
  padding-top: 1.6rem;
}

.sk-article-content :where(h3) {
  font-size: 1.34rem;
  line-height: 1.42;
  margin-top: 2rem;
}

.sk-article-content :where(ul, ol) {
  padding-left: 1.35rem;
}

.sk-article-content .wp-block-table {
  overflow-x: auto;
}

.sk-article-content table {
  border-collapse: collapse;
  min-width: 620px;
}

.sk-article-content td,
.sk-article-content th,
body.sk-theme td,
body.sk-theme th {
  border: 1px solid var(--sk-line);
  padding: 0.74rem 0.82rem;
  vertical-align: top;
}

.sk-article-content th,
body.sk-theme th {
  background: var(--sk-soft);
  color: var(--sk-ink);
}

.sk-article-sidebar {
  display: grid;
  gap: 1rem;
  position: sticky;
  top: 96px;
}

.sk-sidebar-box,
.sk-sidebar-note {
  padding: 1rem;
}

.sk-sidebar-box h2 {
  font-size: 1.12rem;
  margin: 0 0 0.75rem;
}

.sk-sidebar-box a {
  border-top: 1px solid var(--sk-line);
  color: var(--sk-ink);
  display: block;
  font-weight: 800;
  padding: 0.75rem 0;
  text-decoration: none;
}

.sk-sidebar-note strong,
.sk-sidebar-note span {
  display: block;
}

.sk-sidebar-note span {
  color: var(--sk-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 0.4rem;
}

body.sk-theme .sk-global-article-cta {
  background: var(--sk-soft);
  border: 1px solid rgba(15, 118, 110, 0.22);
  border-radius: 8px;
  box-shadow: var(--sk-shadow);
  margin: 2.4rem 0 0;
  padding: 1.25rem;
}

body.sk-theme .sk-global-article-cta__eyebrow {
  color: var(--sk-primary-dark);
  font-size: 0.78rem;
  font-weight: 850;
  margin: 0 0 0.34rem;
}

body.sk-theme .sk-global-article-cta__title {
  font-size: 1.28rem;
  line-height: 1.35;
  margin: 0 0 0.42rem;
}

body.sk-theme .sk-global-article-cta__text {
  color: var(--sk-muted);
  margin: 0 0 1rem;
}

body.sk-theme .sk-global-article-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

body.sk-theme .sk-global-article-cta__button.is-secondary {
  background: #fff;
  border: 1px solid var(--sk-line);
  box-shadow: none;
  color: var(--sk-ink);
}

body.sk-theme section[aria-label="関連リンク"] img,
body.sk-theme img[src*="a8.net"] {
  height: auto !important;
  max-width: 100% !important;
}

.sk-index-query {
  margin-top: 0;
}

.sk-index-list {
  display: grid;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.sk-index-list > li {
  margin: 0;
}

.sk-index-card {
  padding: 1.2rem;
}

.sk-index-card__date {
  color: var(--sk-muted);
  font-size: 0.85rem;
  margin: 0 0 0.35rem;
}

.sk-index-card__title {
  font-size: 1.35rem;
  line-height: 1.35;
  margin: 0;
}

.sk-index-card__title a {
  color: var(--sk-ink);
  text-decoration: none;
}

.sk-index-card__excerpt {
  color: var(--sk-muted);
  margin-top: 0.6rem;
}

.sk-pagination {
  margin-top: 1.4rem;
}

@media (max-width: 980px) {
  .sk-hero__inner,
  .sk-start__inner,
  .sk-article-layout,
  .sk-site-footer__inner {
    grid-template-columns: 1fr;
  }

  .sk-hero__inner {
    min-height: 0;
  }

  .sk-route-grid,
  .sk-standard-grid {
    grid-template-columns: 1fr;
  }

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

  .sk-article-sidebar {
    position: static;
  }

  .sk-site-footer__links {
    justify-content: flex-start;
  }
}

@media (max-width: 782px) {
  body.admin-bar.sk-theme .sk-site-header {
    top: 46px;
  }
}

@media (max-width: 720px) {
  .sk-shell {
    padding-left: 18px;
    padding-right: 18px;
  }

  .sk-site-header {
    position: relative;
    top: auto;
  }

  .sk-site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    min-height: 0;
    padding-bottom: 0.88rem;
    padding-top: 0.88rem;
  }

  .sk-site-nav {
    justify-content: flex-start;
    width: 100%;
  }

  .sk-site-nav a {
    background: #fff;
    border: 1px solid var(--sk-line);
  }

  .sk-hero__inner {
    gap: 28px;
    padding-bottom: 42px;
    padding-top: 42px;
  }

  .sk-hero__copy h1 {
    font-size: 2.72rem;
    line-height: 1.06;
  }

  .sk-hero__lead {
    font-size: 1rem;
  }

  .sk-hero__actions,
  body.sk-theme .sk-global-article-cta__actions {
    display: grid;
  }

  .sk-button,
  body.sk-theme .wp-block-button__link,
  body.sk-theme .sk-global-article-cta__button {
    width: 100%;
  }

  .sk-hero-visual {
    min-height: 330px;
  }

  .sk-visual-home {
    height: 124px;
  }

  .sk-visual-grid,
  .sk-proof-band__inner,
  .sk-library-grid {
    grid-template-columns: 1fr;
  }

  .sk-proof-band p {
    min-height: 0;
  }

  .sk-section {
    padding-bottom: 24px;
    padding-top: 48px;
  }

  .sk-section__head {
    align-items: start;
    display: grid;
    gap: 0.6rem;
  }

  .sk-section__head h2,
  .sk-start h2,
  .sk-standard h2,
  .sk-bottom-cta h2,
  .sk-index-hero h1 {
    font-size: 1.9rem;
  }

  .sk-start__inner {
    padding-left: 18px;
    padding-right: 18px;
  }

  .sk-start-list a {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
  }

  .sk-bottom-cta__inner {
    align-items: stretch;
    display: grid;
  }

  .sk-article-hero,
  .sk-index-hero {
    padding: 42px 0 32px;
  }

  .sk-article-title,
  .sk-article-hero h1,
  .sk-index-hero h1 {
    font-size: 2.1rem;
  }

  .sk-article-layout {
    gap: 30px;
    padding-top: 34px;
  }

  .sk-article-content :where(p, li) {
    font-size: 1rem;
  }

  .sk-article-content :where(h2) {
    font-size: 1.48rem;
  }

  .sk-site-footer {
    margin-top: 48px;
  }
}