/* ==========================================================================
   Goodpatch Inspired Design System - style.css
   ========================================================================== */

/* 1. Design Tokens (CSS Variables)
   ========================================================================== */
:root {
  /* Colors */
  --color-primary: #e60012;       /* Goodpatch Red */
  --color-primary-hover: #b8000e;
  --color-dark: #111111;          /* Jet Black for primary headings */
  --color-text-main: #2d3748;     /* Main content text - slate dark */
  --color-text-muted: #596579;    /* Secondary text (AA on white) */
  --color-text-light: #a0aec0;    /* UI labels */
  --color-bg-white: #ffffff;
  --color-bg-light: #f8fafc;      /* Clean slate light background */
  --color-bg-body: #f1f5f9;       /* Light blue-gray for background body */
  --color-bg-alt: #e2e8f0;        
  --color-border: #e2e8f0;        /* Soft slate borders */
  --color-border-focus: #e60012;
  --color-link: #16689a;
  --color-link-hover: #0e4f78;
  
  /* Category Colors */
  --cat-trouble: #0b6fca;         /* 施工管理の悩み - Blue */
  --cat-knowledge: #b4235a;       /* 技術ナレッジ - Pink */
  --cat-culture: #b53a31;         /* カルチャー - Orange */
  --cat-other: #266b9a;           /* その他 - Blue */

  /* Fonts */
  --font-family: 'Outfit', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  
  /* Layout & Spacing */
  --container-max-width: 1200px;
  --container-narrow-width: 800px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 40px;
  --spacing-xxl: 80px;
  
  /* UI Elements */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-fast: all 0.15s ease;
}

/* 2. Reset & Base Styles
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

body, h1, h2, h3, h4, p, ul, ol, li, figure, figcaption, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-main);
  background-color: var(--color-bg-body); /* Added soft background color */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.mobile-drawer-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

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

ul, ol {
  list-style: none;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid #0b6fca;
  outline-offset: 3px;
}

/* 3. Typography Utility
   ========================================================================== */
.font-outfit {
  font-family: 'Outfit', sans-serif;
}

/* 4. Layout Components
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

/* Header & Global Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.5px;
  color: var(--color-dark);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
}

.logo-icon {
  display: block;
  width: auto;
  height: 42px;
}

.logo-dot {
  display: none;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}

.nav-link {
  font-weight: 600;
  font-size: 15px;
  color: var(--color-dark);
  position: relative;
  padding: var(--spacing-sm) 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-smooth);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  background-color: var(--color-dark);
  color: var(--color-bg-white);
  padding: 10px 24px;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.5px;
}

.nav-cta:hover {
  background-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(230, 0, 18, 0.2);
}

.hamburger,
.mobile-drawer,
.mobile-overlay {
  display: none;
}

/* Footer */
.footer {
  background-color: var(--color-dark);
  color: var(--color-bg-white);
  padding-top: var(--spacing-xxl);
  padding-bottom: var(--spacing-xl);
  margin-top: var(--spacing-xxl);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand h2 {
  font-weight: 800;
  font-size: 24px;
  margin-bottom: var(--spacing-sm);
}

.footer-brand p {
  color: var(--color-text-light);
  font-size: 14px;
  max-width: 320px;
}

.footer-links {
  display: flex;
  gap: var(--spacing-xxl);
}

.footer-link-group h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  font-weight: 600;
}

.footer-link-group ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-link-group a {
  color: var(--color-border);
  font-size: 14px;
}

.footer-link-group a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid #222222;
  padding-top: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  color: var(--color-text-light);
  font-size: 12px;
}

/* 5. Pages & Layout Grids
   ========================================================================== */
.main-wrapper {
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xxl);
}

.page-title-section {
  margin-bottom: var(--spacing-xl);
}

.page-title-section h1 {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.2;
  color: var(--color-dark);
  margin-bottom: var(--spacing-xs);
}

.page-subtitle {
  font-size: 16px;
  color: var(--color-text-muted);
}

/* Blog Layout with Sidebar */
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-xxl);
}

.blog-layout > * {
  min-width: 0;
}

@media (max-width: 992px) {
  .blog-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
}

/* 6. Blog Card & Grid Components
   ========================================================================== */
.blog-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-xl) var(--spacing-lg); /* Expanded whitespace for rich aesthetics */
}

/* Hero Card (Featured Post) */
.hero-card {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--spacing-xl);
  background-color: var(--color-bg-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  margin-bottom: var(--spacing-xl);
  border: 1px solid rgba(0, 0, 0, 0.05);
  padding: var(--spacing-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03), 0 1px 3px rgba(0, 0, 0, 0.02);
  transition: var(--transition-smooth);
}

.hero-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06), 0 1px 8px rgba(0, 0, 0, 0.02);
}

.hero-card-media {
  aspect-ratio: 16/9;
  overflow: hidden;
  position: relative;
  background-color: var(--color-bg-light);
  border-radius: var(--border-radius-md);
}

.hero-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.hero-card:hover .hero-card-media img {
  transform: scale(1.03);
}

.hero-card-content {
  padding: var(--spacing-sm);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.hero-card-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.5px;
}

.hero-card-title a {
  position: relative;
  display: inline;
  background-image: linear-gradient(var(--color-primary), var(--color-primary));
  background-size: 0% 2px;
  background-repeat: no-repeat;
  background-position: left bottom;
  transition: background-size 0.3s ease;
  padding-bottom: 4px;
}

.hero-card-title a:hover {
  color: var(--color-primary);
  background-size: 100% 2px; /* Smooth underline draw */
}

.hero-card-excerpt {
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (max-width: 768px) {
  .hero-card {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  .hero-card-content {
    padding: var(--spacing-md);
  }
  .hero-card-title {
    font-size: 22px;
  }
}

/* Category Badge */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 0; /* Sharp badge */
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-bg-white);
  background-color: var(--cat-other);
}

.badge-trouble {
  background-color: var(--cat-trouble);
}
.badge-knowledge {
  background-color: var(--cat-knowledge);
}
.badge-culture {
  background-color: var(--cat-culture);
}
.badge-other {
  background-color: var(--cat-other);
}

/* Date */
.post-date {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  font-size: 14px;
  color: #526173;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.article-disclosure {
  margin: 0 0 var(--spacing-lg);
  padding: 16px 18px;
  border: 1px solid #d7dee8;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--border-radius-sm);
  background: #f8fafc;
  color: var(--color-text);
  font-size: 13px;
  line-height: 1.7;
}

.article-disclosure strong {
  color: var(--color-dark);
}

.article-disclosure p {
  margin: 4px 0 0;
}

.article-disclosure a {
  font-weight: 700;
}

.article-freshness-warning {
  margin: 0 0 var(--spacing-lg);
  padding: 16px 18px;
  border: 1px solid #f0c36d;
  border-left: 4px solid #b45309;
  border-radius: var(--border-radius-sm);
  background: #fffbeb;
  color: #5f370e;
  font-size: 14px;
  line-height: 1.7;
}

.article-freshness-warning p,
.article-author-box p {
  margin: 4px 0 0;
}

.article-author-box {
  margin-top: var(--spacing-xl);
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background: var(--color-bg-white);
  color: var(--color-text-main);
  font-size: 14px;
  line-height: 1.8;
}

.article-author-box a {
  color: #16689a;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-reference-box {
  margin-top: var(--spacing-xl);
  padding: 20px;
  border: 1px solid #b9d7e8;
  border-radius: var(--border-radius-md);
  background: #f5fbff;
  color: var(--color-text-main);
  font-size: 14px;
  line-height: 1.8;
}

.article-reference-box h2 {
  margin-top: 0;
}

.article-reference-box ul {
  margin: 10px 0;
}

.article-reference-box a {
  color: #16689a;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-reference-date {
  color: var(--color-text-muted);
  font-size: 13px;
}

.affiliate-link-unavailable {
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid #cbd5e1;
  border-radius: var(--border-radius-sm);
  background: #f1f5f9;
  color: #526173;
  font-size: 14px;
  font-weight: 700;
}

.policy-page {
  max-width: 860px;
  margin: 0 auto;
}

.contact-link-button {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 999px;
  background: var(--color-dark);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.contact-link-button:hover {
  background: var(--color-primary);
  color: #fff;
}

.policy-page section {
  margin: 32px 0;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background: var(--color-bg-white);
  box-shadow: var(--shadow-sm);
}

.policy-page h2 {
  margin: 0 0 14px;
  font-size: 24px;
}

.policy-page h3 {
  margin: 22px 0 8px;
  font-size: 18px;
}

.policy-page p,
.policy-page li {
  line-height: 1.9;
}

.policy-page .policy-updated {
  color: var(--color-text-muted);
  font-size: 13px;
}

/* Standard Blog Card */
.blog-card {
  background-color: var(--color-bg-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition-smooth);
  padding: var(--spacing-md);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.06);
  border-color: rgba(230, 0, 18, 0.15);
}

.blog-card-media {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background-color: var(--color-bg-light);
  border-radius: var(--border-radius-md);
}

.blog-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.blog-card:hover .blog-card-media img {
  transform: scale(1.04);
}

.blog-card-content {
  padding: var(--spacing-md) var(--spacing-xs) var(--spacing-xs) var(--spacing-xs);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.blog-card-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.blog-card-title a {
  position: relative;
  display: inline;
  background-image: linear-gradient(var(--color-primary), var(--color-primary));
  background-size: 0% 2px;
  background-repeat: no-repeat;
  background-position: left bottom;
  transition: background-size 0.3s ease;
  padding-bottom: 2px;
}

.blog-card:hover .blog-card-title a {
  color: var(--color-primary);
  background-size: 100% 2px; /* Smooth underline draw on hover */
}

.blog-card-excerpt {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: auto;
}

.blog-card-tag {
  font-size: 10px;
  color: var(--color-text-muted);
  background-color: var(--color-bg-light);
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
}

/* Category filter tab styling */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  max-width: 100%;
  gap: var(--spacing-xs);
  background-color: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(0, 0, 0, 0.05);
  padding: 6px;
  border-radius: 30px;
  margin-bottom: var(--spacing-xl);
  overflow-x: auto;
  white-space: nowrap;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.filter-tab {
  background: none;
  border: none;
  padding: 8px 24px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: 20px;
  border-bottom: none;
  transition: var(--transition-smooth);
  min-height: 44px;
}

.filter-tab:hover {
  color: var(--color-dark);
  background-color: rgba(0, 0, 0, 0.03);
}

.filter-tab.active {
  color: var(--color-bg-white);
  background-color: var(--color-dark);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.filter-tabs-extra {
  display: contents;
}

.filter-tabs-extra[hidden] {
  display: none;
}

.filter-tabs-toggle {
  background: transparent;
  border: 1px solid rgba(17, 17, 17, 0.14);
  color: var(--color-dark);
}

.filter-tabs-toggle::after {
  content: '＋';
  margin-left: 5px;
}

.filter-tabs-toggle[aria-expanded="true"]::after {
  content: '−';
}

/* Pagination */
.pagination {
  margin-top: var(--spacing-xl);
  display: flex;
  justify-content: center;
}

.pagination-btn {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 0; /* Sharp design */
  font-weight: 700;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
  min-height: 44px;
}

.pagination-btn:hover {
  background-color: var(--color-bg-light);
  color: var(--color-dark);
  border-color: var(--color-border-focus);
}

/* Mobile Header Optimization */
@media (max-width: 768px) {
  .nav-menu {
    display: none !important; /* Hide navigation items on mobile to prevent wrapping/layout breaks */
  }

  .nav-inner {
    height: 68px;
  }

  .logo-link {
    flex-shrink: 0;
    white-space: nowrap;
  }

  .nav-cta {
    margin-left: auto;
    padding: 9px 14px;
    font-size: 12px;
  }

  .hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 44px;
    height: 44px;
    margin-left: var(--spacing-sm);
    padding: 6px;
    border: 0;
    background: transparent;
    cursor: pointer;
  }

  .hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-dark);
    transition: var(--transition-fast);
  }

  .hamburger.is-open span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .hamburger.is-open span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.is-open span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .mobile-drawer {
    position: fixed;
    top: 68px;
    right: 0;
    z-index: 99;
    display: block;
    width: min(320px, 88vw);
    max-height: calc(100dvh - 68px);
    overflow-y: auto;
    padding: var(--spacing-lg);
    background-color: var(--color-bg-white);
    box-shadow: var(--shadow-lg);
    transform: translateX(110%);
    transition: transform 0.25s ease;
  }

  .mobile-drawer.is-open {
    transform: translateX(0);
  }

  .mobile-drawer-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    font-weight: 700;
  }

  .mobile-drawer-nav a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 8px 4px;
  }

  .mobile-cta {
    margin-top: var(--spacing-sm);
    color: var(--color-primary);
  }

  .mobile-overlay {
    position: fixed;
    inset: 68px 0 0;
    z-index: 98;
    display: block;
    background-color: rgba(0, 0, 0, 0.35);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }

  .mobile-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
  }

  .filter-tabs {
    flex-wrap: nowrap;
  }
}

/* 7. Sidebar Components
   ========================================================================== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  align-self: start;
}

.sidebar-sticky-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

@media (min-width: 993px) {
  .sidebar-sticky-group {
    position: sticky;
    top: 104px;
    z-index: 2;
  }

  .sidebar-sticky-group .article-toc-wrapper {
    max-height: calc(100vh - 380px);
    overflow: auto;
  }
}

.widget {
  background-color: var(--color-bg-white);
  border: 1px solid rgba(0, 0, 0, 0.04);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02), 0 1px 3px rgba(0, 0, 0, 0.01);
}

.widget-title {
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary); /* Red line for active brand highlight */
}

.widget-search {
  display: flex;
  gap: var(--spacing-xs);
}

.widget-search input {
  flex-grow: 1;
  border: 1px solid var(--color-border);
  border-radius: 30px; /* Smooth rounded search bar */
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 14px;
  transition: var(--transition-smooth);
  min-height: 44px;
}

.widget-search input:focus {
  outline: 3px solid #0b6fca;
  outline-offset: 2px;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(230, 0, 18, 0.08);
}

.widget-search button {
  background-color: var(--color-dark);
  color: var(--color-bg-white);
  border: none;
  border-radius: 30px;
  padding: var(--spacing-sm) var(--spacing-lg);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition-smooth);
  min-width: 64px;
  min-height: 44px;
}

.widget-search button:hover {
  background-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(230, 0, 18, 0.2);
}

/* Profile / Ad Banner Widget */
.widget-banner {
  background: linear-gradient(135deg, var(--color-bg-white), var(--color-bg-light));
  text-align: center;
  border: 1px solid rgba(230, 0, 18, 0.08) !important;
}

.widget-banner img {
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  box-shadow: 0 8px 20px rgba(0,0,0,0.05);
}

.widget-banner .tool-card-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.widget-banner p {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.widget[hidden] {
  display: none !important;
}

.widget-career-ad {
  border-color: rgba(230, 0, 18, 0.16) !important;
  background: #ffffff;
}

@media (max-width: 992px) {
  .widget-career-ad {
    display: none !important;
  }
}

.career-ad-label {
  display: inline-block;
  margin: 0 0 8px;
  padding: 3px 8px;
  border-radius: 3px;
  background: #fff1f2;
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 800;
}

.career-ad-context {
  margin: 0 0 6px;
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 700;
}

.career-ad-title {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.45;
  color: var(--color-dark);
  font-weight: 800;
}

.career-ad-text {
  margin: 0 0 16px;
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.75;
}

.career-ad-cta {
  display: block;
  text-align: center;
  border-radius: var(--border-radius-sm);
  font-size: 14px;
}

.tool-card-list {
  display: grid;
  gap: var(--spacing-md);
}

.tool-card {
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background-color: var(--color-bg-light);
}

.tool-card .btn-sidebar-cta {
  margin-top: var(--spacing-xs);
}

.tool-guide-link {
  display: inline-block;
  margin-top: var(--spacing-md);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-link);
}

.btn-sidebar-cta {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  padding: 10px 24px;
  border-radius: 30px;
  font-size: 12.5px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(230, 0, 18, 0.15);
  transition: var(--transition-smooth);
  min-height: 44px;
}

.btn-sidebar-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(230, 0, 18, 0.3);
  background-color: var(--color-primary-hover);
}

/* Recommended Articles Widget */
.recommended-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.recommended-item {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.recommended-thumb {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.recommended-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.recommended-info h4 {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 2px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.recommended-info h4 a:hover {
  color: var(--color-primary);
}

.recommended-info span {
  font-size: 11px;
  color: var(--color-text-muted);
}

/* 8. Article Detail View Styling
   ========================================================================== */
.article-header {
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-xl);
}

.article-header-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.article-title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0;
  color: var(--color-dark);
  margin-bottom: var(--spacing-lg);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  overflow-wrap: anywhere;
}

@media (max-width: 768px) {
  .article-title {
    font-size: 24px;
    line-height: 1.4;
    text-wrap: balance;
    word-break: auto-phrase;
    overflow-wrap: break-word;
  }
}

.article-eyecatch {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

/* Article Detail Layout with Sticky TOC Table of Contents */
/* Article Detail Layout with Sticky TOC inside Unified Blog Layout */
.article-toc-wrapper {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.toc-title {
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-dark);
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toc-item a,
.toc-item .toc-link {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: var(--transition-fast);
}

@media (pointer: coarse) {
  .toc-item a,
  .toc-item .toc-link {
    display: flex;
    align-items: center;
    min-height: 44px;
  }
}

.toc-item a:hover,
.toc-item .toc-link:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

.toc-item-h3 {
  padding-left: var(--spacing-md);
  font-size: 12px;
  position: relative;
}

.toc-item-h3::before {
  content: '・';
  position: absolute;
  left: 4px;
  color: var(--color-text-light);
}

/* Content Area Styling (WordPress & Gutenberg inspired)
   ========================================================================== */
.article-content {
  font-size: 17px; /* Elegant reading size */
  line-height: 1.9; /* Breathable spacing */
  color: var(--color-text-main);
  letter-spacing: 0.03em;
}

.article-content a:not(.swell-block-button__link):not(.related-link-anchor) {
  color: var(--color-link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.article-content a:not(.swell-block-button__link):not(.related-link-anchor):hover {
  color: var(--color-link-hover);
}

/* Paragraph styling - WordPress style */
.article-content p {
  margin-top: 0;
  margin-bottom: 30px; /* Generous spacing between paragraphs */
}

/* WordPress Headings */
.article-content h2.wp-block-heading,
.article-content h2 {
  font-size: 24px;
  font-weight: 800;
  background-color: var(--color-bg-light);
  border-left: 5px solid var(--color-primary);
  padding: 14px 20px;
  margin-top: 50px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-dark);
  letter-spacing: -0.5px;
}

.article-content h3.wp-block-heading,
.article-content h3 {
  font-size: 20px;
  font-weight: 800;
  border-bottom: 2px solid var(--color-dark);
  padding-bottom: 8px;
  margin-top: 40px;
  margin-bottom: 20px;
  color: var(--color-dark);
}

.article-content h4 {
  font-size: 17px;
  font-weight: 700;
  margin-top: 30px;
  margin-bottom: 15px;
  color: var(--color-dark);
}

/* WordPress Lists */
.article-content ul,
.article-content ol,
.article-content .wp-block-list {
  margin-bottom: 30px;
  padding-left: 24px;
}

.article-content ul {
  list-style: none;
}

.article-content ul li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 18px;
}

.article-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  border-radius: 50%;
}

.article-content ol {
  list-style: decimal;
}

.article-content ol li {
  margin-bottom: 10px;
  padding-left: 4px;
}

/* WordPress Blockquotes */
.article-content blockquote {
  position: relative;
  border-left: 4px solid var(--color-primary);
  background-color: var(--color-bg-light);
  padding: var(--spacing-lg) var(--spacing-xl);
  margin: 35px 0;
  font-style: normal;
  color: var(--color-text-muted);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.article-content blockquote::before {
  content: '“';
  position: absolute;
  top: -10px;
  left: 10px;
  font-size: 60px;
  color: rgba(230, 0, 18, 0.05);
  font-family: Georgia, serif;
  line-height: 1;
}

/* Highlight Markers (Yellow pen effect) */
.article-content strong {
  font-weight: 700;
  color: var(--color-dark);
  background: linear-gradient(transparent 65%, #fff275 65%);
}

.article-content code {
  font-family: Consolas, Monaco, monospace;
  background-color: var(--color-bg-light);
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 14px;
  color: #c7254e;
  border: 1px solid var(--color-border);
}

/* Gutenberg Separators */
.article-content hr.wp-block-separator,
.article-content hr {
  border: 0;
  height: 1px;
  background-image: linear-gradient(to right, rgba(0,0,0,0), rgba(0,0,0,0.1), rgba(0,0,0,0));
  margin: 50px 0;
}

/* Images & Figures */
.article-content figure.wp-block-image,
.article-content figure {
  margin: 40px 0;
}

.article-content figure img {
  border-radius: var(--border-radius-md);
  margin-left: auto;
  margin-right: auto;
  box-shadow: var(--shadow-sm);
}

.article-content img {
  max-width: 100% !important;
  height: auto !important;
}

.article-content iframe {
  display: block;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  margin: 30px auto;
}

.article-content .affiliate-image-link {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin: 28px auto;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
  text-decoration: none !important;
}

.article-content .affiliate-image-link img {
  display: block;
  max-width: min(100%, 520px) !important;
  margin: 0 auto;
  border-radius: var(--border-radius-sm);
  box-shadow: none;
}

.article-content img.affiliate-tracking-pixel {
  display: none !important;
}

.article-content figcaption {
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--spacing-sm);
}

.article-content .has-text-align-center {
  text-align: center;
}

.comparison-summary-box {
  margin: 34px 0 42px;
  padding: 24px;
  border: 1px solid rgba(230, 0, 18, 0.14);
  border-radius: var(--border-radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.article-content .comparison-summary-box h2 {
  margin-top: 0;
}

.article-summary-box {
  overflow-x: auto;
  margin: 28px 0 34px;
  padding: 20px;
  border: 1px solid rgba(230, 0, 18, 0.14);
  border-radius: var(--border-radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.article-content .article-summary-box p:first-child {
  margin-top: 0;
}

.article-content .article-summary-box p:last-child,
.article-content .article-summary-box ul:last-child,
.article-content .article-summary-box table:last-child {
  margin-bottom: 0;
}

.setsubiz-photo-cta {
  margin: 48px 0 24px;
  padding: 28px 20px;
  border-radius: 16px;
  background: #f0f7ff;
  text-align: center;
}

.setsubiz-photo-cta__lead,
.setsubiz-photo-cta__note {
  margin: 0;
}

.setsubiz-photo-cta__button {
  display: inline-block;
  margin: 16px 0 12px;
  padding: 14px 28px;
  border-radius: 999px;
  background: #1687d9;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.setsubiz-photo-cta__button:hover {
  background: #0d6fb8;
  color: #fff;
}

/* Gutenberg Columns */
.wp-block-columns {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.wp-block-column {
  flex: 1 1 250px;
}

/* SWELL / WordPress Gutenberg buttons */
.swell-block-button {
  margin: 35px 0;
  text-align: center;
}

.swell-block-button__link {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-bg-white) !important;
  font-weight: 700;
  padding: 16px 48px;
  border-radius: 30px;
  font-size: 16px;
  box-shadow: 0 4px 15px rgba(230, 0, 18, 0.2);
  transition: var(--transition-smooth);
  text-decoration: none;
}

.swell-block-button__link:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230, 0, 18, 0.3);
}

/* Tables inside content - Scrollable on mobile */
.wp-block-table {
  overflow-x: auto;
  display: block;
  width: 100%;
  margin: 35px 0;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--color-border);
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.article-content th,
.article-content td {
  border: 1px solid var(--color-border);
  padding: 14px 18px;
  text-align: left;
}

.article-content th {
  background-color: var(--color-bg-light);
  font-weight: 700;
  color: var(--color-dark);
  border-bottom: 2px solid var(--color-border);
}

.article-content tr:nth-child(even) td {
  background-color: #fafafa;
}

/* WordPress/SWELL migrated speech balloons and review blocks */
.article-content .swell-block-balloon,
.article-content .c-balloon {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 26px 0;
}

.article-content .c-balloon.-bln-right {
  flex-direction: row-reverse;
}

.article-content .c-balloon__icon {
  flex: 0 0 66px;
  width: 66px;
  text-align: center;
}

.article-content .c-balloon__iconImg,
.article-content .c-balloon__icon img {
  width: 58px !important;
  height: 58px !important;
  object-fit: cover;
  border-radius: 50%;
  margin: 0 auto 6px;
  box-shadow: var(--shadow-sm);
}

.article-content .c-balloon__iconName {
  display: block;
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.35;
}

.article-content .c-balloon__body {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  padding: 16px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background: var(--color-bg-white);
  box-shadow: var(--shadow-sm);
}

.article-content .swell-block-balloon.is-long-balloon .c-balloon__body {
  background: #fbfcfe;
}

.article-content .swell-block-balloon.is-long-balloon .c-balloon__icon {
  opacity: 0.92;
}

.article-content .c-balloon__body::before {
  content: "";
  position: absolute;
  top: 22px;
  left: -8px;
  width: 14px;
  height: 14px;
  background: inherit;
  border-left: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  transform: rotate(45deg);
}

.article-content .c-balloon.-bln-right .c-balloon__body::before {
  right: -8px;
  left: auto;
  border: 0;
  border-top: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

.article-content .c-balloon__text > :last-child {
  margin-bottom: 0;
}

.article-content .c-balloon__text p {
  margin-bottom: 12px;
}

.article-content .p-blogParts,
.article-content .review-box,
.article-content .voice-box {
  max-width: 100%;
}

@media (max-width: 640px) {
  .article-content table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .article-slug-tensyokuhikaku .article-content .wp-block-table {
    overflow: visible;
    border: 0;
  }

  .article-slug-tensyokuhikaku .article-content table.responsive-card-table,
  .article-slug-tensyokuhikaku .article-content table.responsive-card-table tbody,
  .article-slug-tensyokuhikaku .article-content table.responsive-card-table tr,
  .article-slug-tensyokuhikaku .article-content table.responsive-card-table td {
    display: block;
    width: 100%;
  }

  .article-slug-tensyokuhikaku .article-content table.responsive-card-table {
    overflow: visible;
    border: 0;
    background: transparent;
  }

  .article-slug-tensyokuhikaku .article-content table.responsive-card-table thead,
  .article-slug-tensyokuhikaku .article-content .responsive-card-table-header-row {
    position: absolute;
    width: 1px !important;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .article-slug-tensyokuhikaku .article-content table.responsive-card-table tr:not(.responsive-card-table-header-row) {
    margin: 0 0 18px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    background: #fff;
    box-shadow: var(--shadow-sm);
  }

  .article-slug-tensyokuhikaku .article-content table.responsive-card-table td {
    display: grid;
    grid-template-columns: minmax(92px, 34%) minmax(0, 1fr);
    gap: 12px;
    padding: 12px 14px;
    border: 0;
    border-bottom: 1px solid var(--color-border);
    background: #fff;
    line-height: 1.65;
    overflow-wrap: anywhere;
  }

  .article-slug-tensyokuhikaku .article-content table.responsive-card-table td:last-child {
    border-bottom: 0;
  }

  .article-slug-tensyokuhikaku .article-content table.responsive-card-table td::before {
    content: attr(data-label);
    color: var(--color-text-muted);
    font-size: 12px;
    font-weight: 700;
  }

  .article-content .swell-block-balloon,
  .article-content .c-balloon {
    gap: 10px;
  }

  .article-content .c-balloon__icon {
    flex-basis: 54px;
    width: 54px;
  }

  .article-content .c-balloon__iconImg,
  .article-content .c-balloon__icon img {
    width: 48px !important;
    height: 48px !important;
  }

  .article-content .c-balloon__body {
    padding: 14px 15px;
  }
}

.policy-nav-menu {
  display: flex;
}

@media (max-width: 640px) {
  .policy-nav-menu {
    display: flex !important;
    gap: 12px;
  }

  .policy-nav-menu .nav-link {
    font-size: 12px;
    white-space: nowrap;
  }
}

/* Related Articles Section */
.related-section {
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-xl);
  margin-top: var(--spacing-xxl);
}

.related-section-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: var(--spacing-lg);
}

/* loading / no-results states */
.loading-indicator,
.no-results {
  text-align: center;
  padding: var(--spacing-xxl) 0;
  color: var(--color-text-muted);
  grid-column: 1 / -1;
  font-size: 15px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-bg-light);
  border-top: 4px solid var(--color-primary);
  border-radius: 50%;
  margin: 0 auto var(--spacing-md) auto;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ==========================================================================
   8. LP (Landing Page) Section Styles (Premium Glassmorphism & Ambient Edition)
   ========================================================================== */
.lp-hero {
  /* アンビエントな光の球体を表現するグラデーション */
  background: 
    radial-gradient(circle at 85% 15%, rgba(230, 0, 18, 0.08) 0%, transparent 35%),
    radial-gradient(circle at 15% 85%, rgba(11, 111, 202, 0.08) 0%, transparent 35%),
    linear-gradient(180deg, var(--color-bg-white) 0%, var(--color-bg-body) 100%);
  padding: var(--spacing-xxl) 0 calc(var(--spacing-xxl) * 1.3) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
  position: relative;
  overflow: hidden;
}

/* 装飾用の光るオーブ */
.lp-hero::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(230, 0, 18, 0.05) 0%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}

.lp-hero-inner {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  position: relative;
  z-index: 2;
}

.lp-hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  text-align: left;
}

.lp-hero-title {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.2;
  color: var(--color-dark);
  letter-spacing: -1.5px;
}

/* タイトルの一部をグラデーションアクセントに */
.lp-hero-title span.accent-text {
  background: linear-gradient(135deg, var(--color-primary) 0%, #ff5252 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.lp-hero-subtitle {
  font-size: 17px;
  line-height: 1.8;
  color: #4a5568;
  max-width: 600px;
  letter-spacing: -0.2px;
}

.lp-hero-ctas {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.lp-hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 4px;
  color: #4a5568;
  font-size: 12px;
  font-weight: 700;
}

.lp-hero-trust a,
.lp-hero-trust span {
  position: relative;
  padding-left: 18px;
}

.lp-hero-trust a {
  color: var(--color-dark);
  text-decoration: underline;
  text-decoration-color: rgba(17, 17, 17, 0.25);
  text-underline-offset: 3px;
}

.lp-hero-trust a::before,
.lp-hero-trust span::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 900;
}

.btn-lp-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary) 0%, #ff3b30 100%);
  color: var(--color-bg-white);
  padding: 16px 36px;
  border-radius: 50px;
  font-weight: 800;
  font-size: 15px;
  box-shadow: 0 10px 25px rgba(230, 0, 18, 0.2);
  transition: var(--transition-smooth);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-lp-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 30px rgba(230, 0, 18, 0.35);
}

.btn-lp-secondary {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  color: var(--color-dark);
  padding: 16px 36px;
  border-radius: 50px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  font-weight: 800;
  font-size: 15px;
  transition: var(--transition-smooth);
  text-align: center;
}

.btn-lp-secondary:hover {
  background-color: var(--color-dark);
  color: var(--color-bg-white);
  border-color: var(--color-dark);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.lp-hero-image {
  position: relative;
  width: 100%;
  /* 3D浮遊アニメーションの適用 */
  animation: float-3d 6s ease-in-out infinite;
}

.lp-hero-img-preview {
  width: 100%;
  border-radius: 20px;
  box-shadow: 
    0 30px 60px rgba(0, 0, 0, 0.12), 
    0 10px 20px rgba(0, 0, 0, 0.06),
    0 0 0 1px rgba(0, 0, 0, 0.05);
  border: 6px solid var(--color-bg-white);
  transition: var(--transition-smooth);
}

/* ホバー時に傾斜を戻すエフェクト */
.lp-hero-image:hover .lp-hero-img-preview {
  transform: rotate(-1deg) scale(1.02);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.18);
}

/* 浮遊キーフレーム */
@keyframes float-3d {
  0% {
    transform: translateY(0px) rotate(1deg);
  }
  50% {
    transform: translateY(-12px) rotate(-1deg);
  }
  100% {
    transform: translateY(0px) rotate(1deg);
  }
}

/* Features Section */
.lp-features {
  background-color: var(--color-bg-white);
  padding: var(--spacing-xxl) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
  position: relative;
  z-index: 3;
}

.lp-section-title {
  text-align: center;
  font-size: 36px;
  font-weight: 900;
  color: var(--color-dark);
  margin-bottom: var(--spacing-xxl);
  letter-spacing: -1px;
}

.lp-section-title::after {
  content: '';
  display: block;
  width: 50px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), #ff7669);
  margin: var(--spacing-sm) auto 0 auto;
  border-radius: 4px;
}

.lp-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.lp-feature-card {
  background-color: var(--color-bg-light);
  padding: calc(var(--spacing-xl) * 1.2) var(--spacing-lg);
  border-radius: 20px;
  border: 1px solid rgba(0, 0, 0, 0.03);
  transition: var(--transition-smooth);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.01);
}

/* 各カードの上部にアクセントテーマカラーのバーを配置 */
.lp-feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--color-text-light);
  transition: var(--transition-smooth);
}

.lp-feature-card:nth-child(1)::before {
  background: linear-gradient(90deg, var(--cat-trouble), #3182ce);
}
.lp-feature-card:nth-child(2)::before {
  background: linear-gradient(90deg, var(--cat-knowledge), #d53f8c);
}
.lp-feature-card:nth-child(3)::before {
  background: linear-gradient(90deg, var(--cat-culture), #dd6b20);
}

.lp-feature-card:hover {
  transform: translateY(-8px);
  background-color: var(--color-bg-white);
  border-color: rgba(0, 0, 0, 0.06);
}

/* ホバー時に影が各テーマカラーに寄り添うエフェクト */
.lp-feature-card:nth-child(1):hover {
  box-shadow: 0 20px 40px rgba(11, 111, 202, 0.08);
}
.lp-feature-card:nth-child(2):hover {
  box-shadow: 0 20px 40px rgba(226, 69, 122, 0.08);
}
.lp-feature-card:nth-child(3):hover {
  box-shadow: 0 20px 40px rgba(255, 118, 105, 0.08);
}

.lp-feature-icon {
  width: 104px;
  height: 104px;
  object-fit: contain;
  margin-bottom: var(--spacing-md);
  display: inline-block;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.05));
  transition: var(--transition-smooth);
}

.lp-feature-card:hover .lp-feature-icon {
  transform: scale(1.15) rotate(5deg);
}

.lp-feature-card h3 {
  font-size: 21px;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.5px;
}

.lp-feature-card p {
  font-size: 14.5px;
  line-height: 1.7;
  color: #4a5568;
}

.lp-stats {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-dark);
  color: var(--color-bg-white);
}

.lp-stats-grid {
  display: grid;
  grid-template-columns: repeat(7, auto);
  justify-content: space-around;
  align-items: center;
  gap: var(--spacing-md);
}

.lp-stat-item {
  text-align: center;
}

.lp-stat-number {
  font-family: 'Outfit', sans-serif;
  font-size: 36px;
  font-weight: 800;
  line-height: 1.2;
}

.lp-stat-label {
  color: var(--color-text-light);
  font-size: 12px;
  font-weight: 700;
}

.lp-stat-divider {
  width: 1px;
  height: 48px;
  background-color: rgba(255, 255, 255, 0.2);
}

/* Career Guide Section */
.lp-career-guide {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-bg-white);
}

.lp-career-guide-inner {
  display: grid;
  grid-template-columns: 1.5fr 0.65fr;
  gap: var(--spacing-xl);
  padding: calc(var(--spacing-xl) * 1.2);
  border-radius: 24px;
  background:
    radial-gradient(circle at 95% 5%, rgba(230, 0, 18, 0.12) 0%, transparent 30%),
    linear-gradient(135deg, #fff7f7 0%, #ffffff 62%);
  border: 1px solid rgba(230, 0, 18, 0.14);
  box-shadow: 0 18px 45px rgba(73, 20, 20, 0.08);
}

.lp-career-guide-label {
  display: inline-block;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 800;
}

.lp-career-guide h2 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-dark);
  font-size: 34px;
  line-height: 1.35;
  letter-spacing: -1px;
}

.lp-career-guide-content > p {
  color: #4a5568;
  font-size: 15px;
  line-height: 1.8;
}

.lp-career-guide-points {
  display: grid;
  gap: var(--spacing-xs);
  margin: var(--spacing-md) 0;
}

.lp-career-guide-points li {
  position: relative;
  padding-left: 22px;
  color: var(--color-dark);
  font-size: 14px;
  font-weight: 700;
}

.lp-career-guide-points li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 900;
}

.lp-career-guide-ctas {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.lp-career-guide-link {
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 800;
}

.lp-career-guide-link:hover {
  text-decoration: underline;
}

.lp-career-guide-side {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--spacing-lg);
  border-radius: 18px;
  background: linear-gradient(145deg, var(--color-dark), #2d3748);
  color: var(--color-bg-white);
}

.lp-career-guide-side span {
  margin-bottom: var(--spacing-xs);
  color: #ffb3b3;
  font-family: 'Outfit', sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2px;
}

.lp-career-guide-side strong {
  font-size: 25px;
  line-height: 1.45;
}

.lp-career-guide-side p {
  margin-top: var(--spacing-sm);
  color: var(--color-text-light);
  font-size: 13px;
}

.lp-categories {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-bg-light);
}

.lp-section-label {
  display: block;
  color: var(--color-primary);
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2px;
  text-align: center;
}

.lp-categories-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
}

.lp-category-chip {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  border-radius: 30px;
  background-color: var(--color-bg-white);
  font-size: 14px;
  font-weight: 700;
}

.lp-category-chip:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.cat-chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.lp-cta-banner {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-dark);
  color: var(--color-bg-white);
}

.lp-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
}

.lp-cta-content h2 {
  margin-bottom: var(--spacing-xs);
  font-size: 28px;
}

.lp-cta-content p {
  color: var(--color-text-light);
}

/* Responsive LP */
@media (max-width: 992px) {
  .lp-hero {
    padding: var(--spacing-xl) 0;
  }
  .lp-hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }
  .lp-hero-content {
    text-align: center;
  }
  .lp-hero-subtitle {
    margin: 0 auto;
  }
  .lp-hero-ctas {
    justify-content: center;
  }
  .lp-hero-trust {
    justify-content: center;
  }
  .lp-features-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  .lp-career-guide-inner {
    grid-template-columns: 1fr;
  }
  .lp-hero-title {
    font-size: 36px;
  }
  .lp-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 576px) {
  .container {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }
  .lp-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  .lp-stat-divider {
    display: none;
  }
  .lp-stat-number {
    font-size: 30px;
  }
  .lp-section-title {
    font-size: 28px;
  }
  .lp-career-guide-inner {
    padding: var(--spacing-lg);
  }
  .lp-career-guide h2 {
    font-size: 28px;
  }
  .lp-cta-content h2 {
    font-size: 22px;
  }
}

/* ==========================================================================
   9. Article Content Custom Links
   ========================================================================== */
/* Body content related link block */
.article-related-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background-color: var(--color-bg-light);
  border-left: 4px solid var(--color-primary);
  padding: 14px 20px;
  border-radius: var(--border-radius-md);
  margin: var(--spacing-lg) 0;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.01);
  transition: var(--transition-smooth);
}

.article-related-link:hover {
  background-color: var(--color-bg-white);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.03);
  transform: translateX(4px);
}

.comparison-page-guide {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 20px 0;
  padding: 14px 16px;
  background: #f7f8fa;
  border-left: 4px solid var(--color-primary);
  border-radius: 0 10px 10px 0;
  font-size: 14px;
}

.comparison-page-guide strong {
  color: var(--color-dark);
}

.comparison-page-guide a {
  color: #0b5cab;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.related-link-label {
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  font-size: 11px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.related-link-anchor {
  font-weight: 700;
  font-size: 15px;
  color: var(--color-dark);
  text-decoration: none;
  transition: var(--transition-fast);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-link-anchor:hover {
  color: var(--color-primary);
}

.article-internal-link {
  color: var(--color-link);
  font-weight: 700;
  border-bottom: 1px dotted var(--color-link);
  transition: var(--transition-fast);
}

.article-internal-link:hover {
  color: var(--color-link-hover);
  border-bottom-style: solid;
}

@media (max-width: 576px) {
  .article-related-link {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
}