/*
Theme Name: AI Bond Media
Theme URI: https://ai.salesbond1962.com/
Author: SalesBond
Description: AIボンド通信向けのオリジナルWordPressテーマです。
Version: 1.2.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 8.1
Text Domain: ai-bond-media
*/

:root {
  --color-ink: #111111;
  --color-muted: #55565a;
  --color-subtle: #f7f4f2;
  --color-paper: #fffdfb;
  --color-line: #e4dedb;
  --color-wine: #7a1024;
  --color-wine-dark: #520817;
  --color-gold: #ad8757;
  --color-white: #ffffff;
  --font-sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  --font-serif: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --shadow-soft: 0 18px 48px rgba(17, 17, 17, 0.08);
  --container: min(1120px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-white);
  font-family: var(--font-sans);
  line-height: 1.8;
  letter-spacing: 0;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(14px);
}

.header-top {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
  font-weight: 800;
}

.header-top-inner {
  width: var(--container);
  min-height: 34px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.header-top a {
  color: var(--color-white);
  text-decoration: underline;
  text-underline-offset: 4px;
}

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

.header-inner {
  width: var(--container);
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-logo {
  width: 178px;
  max-height: 46px;
  object-fit: contain;
}

.brand-media {
  padding-left: 14px;
  border-left: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 13px;
  font-weight: 800;
}

.site-nav a {
  color: var(--color-muted);
}

.site-nav a:hover {
  color: var(--color-wine);
}

.button,
.wp-block-button__link,
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--color-wine);
  border-radius: 4px;
  background: var(--color-wine);
  color: var(--color-white);
  font-weight: 900;
  line-height: 1.3;
}

.button:hover,
.nav-cta:hover {
  background: var(--color-wine-dark);
  color: var(--color-white);
}

.button.secondary {
  background: var(--color-white);
  color: var(--color-wine);
}

.text-link {
  color: var(--color-wine);
  font-size: 14px;
  font-weight: 900;
}

.hero {
  border-bottom: 1px solid var(--color-line);
}

.hero-editorial {
  background:
    linear-gradient(110deg, rgba(122, 16, 36, 0.1), transparent 38%),
    linear-gradient(180deg, #ffffff 0%, #fbf8f6 100%);
}

.hero-business {
  background:
    linear-gradient(120deg, rgba(122, 16, 36, 0.1), transparent 36%),
    linear-gradient(180deg, #ffffff 0%, #fbf8f6 100%);
}

.hero-inner {
  width: var(--container);
  min-height: 590px;
  margin: 0 auto;
  padding: 80px 0 58px;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  align-items: center;
  gap: 58px;
}

.eyebrow {
  color: var(--color-wine);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
}

.hero h1,
.page-title {
  margin: 16px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(38px, 5vw, 68px);
  line-height: 1.18;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--color-muted);
  font-size: 17px;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-index,
.hero-consult {
  padding: 30px;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-soft);
}

.hero-consult-title {
  margin: 0 0 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-wine);
  font-size: 15px;
  font-weight: 900;
}

.hero-consult ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-consult li {
  position: relative;
  padding: 14px 0 14px 24px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-muted);
  font-weight: 800;
}

.hero-consult li:last-child {
  border-bottom: 0;
}

.hero-consult li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--color-wine);
}

.trust-row {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row span {
  padding: 7px 10px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 900;
}

.quick-nav {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-white);
}

.quick-nav-inner {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.quick-nav a {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  border-left: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 900;
  text-align: center;
}

.quick-nav a:last-child {
  border-right: 1px solid var(--color-line);
}

.quick-nav a:hover {
  color: var(--color-wine);
  background: var(--color-subtle);
}

.hero-index-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--color-line);
}

.hero-index-head img {
  width: 88px;
}

.hero-index-head p {
  margin: 0;
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-index ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: theme;
}

.hero-index li {
  counter-increment: theme;
  border-bottom: 1px solid var(--color-line);
}

.hero-index li:last-child {
  border-bottom: 0;
}

.hero-index a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  font-weight: 900;
}

.hero-index a::before {
  content: counter(theme, decimal-leading-zero);
  margin-right: 16px;
  color: var(--color-wine);
  font-size: 12px;
}

.section {
  width: var(--container);
  margin: 0 auto;
  padding: 74px 0;
}

.section-tight {
  padding-top: 24px;
}

.section-head {
  margin-bottom: 30px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.section-head.compact {
  align-items: center;
}

.section-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 32px;
  line-height: 1.35;
}

.section-desc {
  max-width: 680px;
  margin: 8px 0 0;
  color: var(--color-muted);
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.theme-card {
  display: flex;
  flex-direction: column;
  min-height: 260px;
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  background: var(--color-paper);
}

.theme-card:hover {
  border-color: rgba(122, 16, 36, 0.42);
  box-shadow: var(--shadow-soft);
}

.theme-card span {
  color: var(--color-wine);
  font-size: 13px;
  font-weight: 900;
}

.theme-card h3 {
  margin: 18px 0 0;
  font-size: 19px;
  line-height: 1.45;
}

.theme-card p {
  margin: 14px 0 0;
  color: var(--color-muted);
  font-size: 14px;
}

.business-theme-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.business-theme-card {
  min-height: 250px;
  padding: 26px;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  background: var(--color-white);
}

.business-theme-card:hover {
  border-color: rgba(122, 16, 36, 0.38);
  box-shadow: var(--shadow-soft);
}

.business-theme-card span {
  color: var(--color-wine);
  font-size: 12px;
  font-weight: 900;
}

.business-theme-card h3 {
  margin: 20px 0 0;
  font-size: 22px;
  line-height: 1.45;
}

.business-theme-card p {
  margin: 14px 0 0;
  color: var(--color-muted);
  font-size: 14px;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  align-items: center;
  gap: 48px;
}

.topic-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.topic-list a {
  min-height: 58px;
  padding: 14px 18px;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  background: var(--color-white);
  color: var(--color-ink);
  font-weight: 900;
}

.topic-list a:hover {
  border-color: rgba(122, 16, 36, 0.38);
  color: var(--color-wine);
}

.article-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.lead-path {
  display: grid;
  grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr);
  gap: 32px;
  align-items: start;
}

.band {
  background: var(--color-subtle);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--color-line);
  background: var(--color-white);
}

.path-step {
  min-height: 220px;
  padding: 24px;
  border-right: 1px solid var(--color-line);
}

.path-step:last-child {
  border-right: 0;
}

.path-step span {
  color: var(--color-wine);
  font-size: 12px;
  font-weight: 900;
}

.path-step h3 {
  margin: 26px 0 0;
  font-size: 19px;
  line-height: 1.45;
}

.path-step p {
  margin: 12px 0 0;
  color: var(--color-muted);
  font-size: 14px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.card {
  min-height: 100%;
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  background: var(--color-white);
}

.card:hover {
  border-color: rgba(122, 16, 36, 0.36);
  box-shadow: var(--shadow-soft);
}

.card-meta,
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 800;
}

.tag {
  display: inline-flex;
  padding: 3px 8px;
  border: 1px solid rgba(122, 16, 36, 0.22);
  border-radius: 999px;
  color: var(--color-wine);
  background: rgba(122, 16, 36, 0.05);
  font-size: 12px;
  font-weight: 800;
}

.card-title {
  margin: 0;
  font-size: 20px;
  line-height: 1.55;
}

.card-excerpt {
  margin: 14px 0 0;
  color: var(--color-muted);
  font-size: 14px;
}

.split-section {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

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

.cta-band {
  background: var(--color-ink);
  color: var(--color-white);
}

.cta-band .section-desc {
  color: rgba(255, 255, 255, 0.74);
}

.cta-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.page-header {
  width: var(--container);
  margin: 0 auto;
  padding: 72px 0 34px;
}

.content-layout {
  width: var(--container);
  margin: 0 auto;
  padding: 34px 0 78px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 58px;
}

.entry-content {
  font-size: 16px;
}

.entry-content h2,
.entry-content h3 {
  margin-top: 2.2em;
  line-height: 1.45;
}

.entry-content p {
  margin: 0 0 1.4em;
}

.entry-side {
  position: sticky;
  top: 110px;
  align-self: start;
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  background: var(--color-subtle);
}

.detail-list {
  margin: 0;
}

.detail-list dt {
  margin-top: 16px;
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 900;
}

.detail-list dd {
  margin: 4px 0 0;
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--color-line);
  background: #111111;
  color: var(--color-white);
}

.footer-inner {
  width: var(--container);
  margin: 0 auto;
  padding: 48px 0;
  display: flex;
  justify-content: space-between;
  gap: 32px;
}

.footer-logo {
  width: 170px;
  filter: invert(1);
}

.footer-copy {
  max-width: 420px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.copyright {
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.56);
  font-size: 12px;
}

@media (max-width: 1050px) {
  .theme-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .business-theme-grid,
  .quick-nav-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .path-step:nth-child(2) {
    border-right: 0;
  }

  .path-step:nth-child(-n+2) {
    border-bottom: 1px solid var(--color-line);
  }
}

@media (max-width: 900px) {
  .header-inner {
    min-height: auto;
    padding: 16px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
    gap: 16px;
    white-space: nowrap;
  }

  .hero-inner,
  .content-layout,
  .split-section,
  .two-column,
  .lead-path {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    min-height: auto;
    padding-top: 52px;
  }

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

  .section-head,
  .footer-inner,
  .cta-layout {
    align-items: flex-start;
    flex-direction: column;
  }

  .entry-side {
    position: static;
  }
}

@media (max-width: 600px) {
  :root {
    --container: min(100vw - 28px, 1120px);
  }

  .admin-bar .site-header {
    top: 0;
  }

  .brand-logo {
    width: 150px;
  }

  .brand-media {
    font-size: 12px;
  }

  .hero h1,
  .page-title {
    font-size: 38px;
  }

  .hero-index,
  .theme-card,
  .card {
    padding: 22px;
  }

  .theme-grid,
  .path-grid,
  .business-theme-grid,
  .quick-nav-inner,
  .topic-list,
  .article-list {
    grid-template-columns: 1fr;
  }

  .header-top-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 8px 0;
  }

  .path-step {
    border-right: 0;
    border-bottom: 1px solid var(--color-line);
  }

  .path-step:last-child {
    border-bottom: 0;
  }
}