/*
Theme Name:   Aerotech Child
Theme URI:    https://aerotechco.com/
Description:  Lightning Child Theme for 株式会社エアロ・テック - DX企業サイト
Author:       AeroTech
Template:     lightning
Version:      1.0.0
Text Domain:  aerotech-child
*/

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --at-primary:       #1a3a6b;
  --at-primary-mid:   #1e5799;
  --at-accent:        #0ea5e9;
  --at-accent-dark:   #0284c7;
  --at-grad-start:    #1a3a6b;
  --at-grad-end:      #0ea5e9;
  --at-white:         #ffffff;
  --at-bg-light:      #f0f4f8;
  --at-bg-dark:       #0f1e35;
  --at-text:          #1e293b;
  --at-text-muted:    #64748b;
  --at-border:        #e2e8f0;
  --at-shadow:        0 4px 24px rgba(30,87,153,0.12);
  --at-shadow-lg:     0 8px 40px rgba(30,87,153,0.18);
  --at-radius:        12px;
  --at-radius-sm:     8px;
  --at-transition:    0.3s cubic-bezier(0.4,0,0.2,1);
  --at-container:     1200px;
  --at-section-py:    80px;
  --at-section-py-sm: 48px;
}

/* ============================================================
   GLOBAL RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
  color: var(--at-text);
  background: var(--at-white);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

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

a { color: var(--at-primary-mid); text-decoration: none; transition: color var(--at-transition); }
a:hover { color: var(--at-accent); }

/* ============================================================
   LIGHTNING OVERRIDE - ヘッダー
   ============================================================ */
#site-header,
.site-header {
  background: rgba(15,30,53,0.95) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(14,165,233,0.2);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: background var(--at-transition);
}

.site-branding .site-title a,
.site-branding .site-title {
  color: var(--at-white) !important;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
}

/* ナビゲーション */
.global-nav ul > li > a,
#global-nav ul > li > a,
.main-navigation ul > li > a {
  color: rgba(255,255,255,0.9) !important;
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  padding: 8px 16px;
  border-radius: 6px;
  transition: all var(--at-transition);
}

.global-nav ul > li > a:hover,
#global-nav ul > li > a:hover,
.main-navigation ul > li > a:hover {
  color: var(--at-accent) !important;
  background: rgba(14,165,233,0.12);
}

/* お問い合わせCTAボタン（ナビ内） */
.nav-cta-btn a,
.header-contact-btn {
  background: linear-gradient(135deg, var(--at-accent), var(--at-accent-dark)) !important;
  color: var(--at-white) !important;
  padding: 10px 24px !important;
  border-radius: 50px !important;
  font-weight: 700;
  transition: all var(--at-transition) !important;
  box-shadow: 0 4px 14px rgba(14,165,233,0.4);
}

.nav-cta-btn a:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(14,165,233,0.5) !important;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.at-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--at-bg-dark);
}

.at-hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('/wp-content/themes/aerotech-child/images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.05); }
  to   { transform: scale(1.12); }
}

.at-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15,30,53,0.85) 0%,
    rgba(26,58,107,0.75) 50%,
    rgba(14,165,233,0.25) 100%
  );
}

.at-hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
  max-width: 900px;
  margin: 0 auto;
}

.at-hero__badge {
  display: inline-block;
  background: rgba(14,165,233,0.2);
  border: 1px solid rgba(14,165,233,0.5);
  color: var(--at-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 6px 20px;
  border-radius: 50px;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.at-hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--at-white);
  line-height: 1.3;
  margin: 0 0 24px;
  letter-spacing: -0.02em;
}

.at-hero__title .highlight {
  background: linear-gradient(135deg, var(--at-accent), #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.at-hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.8);
  margin: 0 0 48px;
  line-height: 1.8;
}

.at-hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.at-hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.at-hero__scroll::after {
  content: '';
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.3; transform: scaleY(0.5); }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.at-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: all var(--at-transition);
  text-decoration: none;
  border: 2px solid transparent;
  white-space: nowrap;
}

.at-btn--primary {
  background: linear-gradient(135deg, var(--at-accent), var(--at-primary-mid));
  color: var(--at-white);
  box-shadow: 0 4px 20px rgba(14,165,233,0.4);
}

.at-btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(14,165,233,0.55);
  color: var(--at-white);
}

.at-btn--outline {
  background: transparent;
  color: var(--at-white);
  border-color: rgba(255,255,255,0.5);
}

.at-btn--outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--at-white);
  color: var(--at-white);
  transform: translateY(-3px);
}

.at-btn--dark {
  background: linear-gradient(135deg, var(--at-primary), var(--at-primary-mid));
  color: var(--at-white);
  box-shadow: var(--at-shadow);
}

.at-btn--dark:hover {
  transform: translateY(-3px);
  box-shadow: var(--at-shadow-lg);
  color: var(--at-white);
}

/* ============================================================
   SECTION COMMON
   ============================================================ */
.at-section {
  padding: var(--at-section-py) 0;
}

.at-section--dark {
  background: var(--at-bg-dark);
  color: var(--at-white);
}

.at-section--light {
  background: var(--at-bg-light);
}

.at-section--gradient {
  background: linear-gradient(135deg, var(--at-grad-start), var(--at-grad-end));
  color: var(--at-white);
}

.at-container {
  max-width: var(--at-container);
  margin: 0 auto;
  padding: 0 24px;
}

.at-section-head {
  text-align: center;
  margin-bottom: 64px;
}

.at-section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--at-accent);
  margin-bottom: 12px;
}

.at-section--dark .at-section-label {
  color: var(--at-accent);
}

.at-section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--at-text);
  margin: 0 0 16px;
}

.at-section--dark .at-section-title,
.at-section--gradient .at-section-title {
  color: var(--at-white);
}

.at-section-desc {
  font-size: 1.0625rem;
  color: var(--at-text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.at-section--dark .at-section-desc,
.at-section--gradient .at-section-desc {
  color: rgba(255,255,255,0.8);
}

/* ============================================================
   SERVICES GRID
   ============================================================ */
.at-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.at-service-card {
  background: var(--at-white);
  border: 1px solid var(--at-border);
  border-radius: var(--at-radius);
  padding: 36px 28px;
  transition: all var(--at-transition);
  position: relative;
  overflow: hidden;
}

.at-service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--at-grad-start), var(--at-grad-end));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--at-transition);
}

.at-service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--at-shadow-lg);
  border-color: transparent;
}

.at-service-card:hover::before {
  transform: scaleX(1);
}

.at-service-card__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--at-radius-sm);
  background: linear-gradient(135deg, var(--at-bg-light), #dbeafe);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 28px;
  transition: all var(--at-transition);
}

.at-service-card:hover .at-service-card__icon {
  background: linear-gradient(135deg, var(--at-primary), var(--at-accent));
}

.at-service-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--at-text);
  margin: 0 0 12px;
}

.at-service-card__desc {
  font-size: 0.9375rem;
  color: var(--at-text-muted);
  line-height: 1.7;
  margin: 0 0 20px;
}

.at-service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--at-primary-mid);
  transition: gap var(--at-transition);
}

.at-service-card__link:hover {
  gap: 10px;
  color: var(--at-accent);
}

/* ============================================================
   FEATURES / STRENGTH
   ============================================================ */
.at-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.at-feature-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.at-feature-item__num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--at-grad-start), var(--at-grad-end));
  color: var(--at-white);
  font-weight: 900;
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(14,165,233,0.35);
}

.at-feature-item__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--at-white);
  margin: 0 0 8px;
}

.at-feature-item__desc {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin: 0;
}

/* ============================================================
   FLOW / PROCESS
   ============================================================ */
.at-flow {
  display: flex;
  gap: 0;
  position: relative;
}

.at-flow::before {
  content: '';
  position: absolute;
  top: 32px;
  left: calc(10% + 32px);
  right: calc(10% + 32px);
  height: 2px;
  background: linear-gradient(90deg, var(--at-grad-start), var(--at-grad-end));
}

.at-flow-step {
  flex: 1;
  text-align: center;
  padding: 0 12px;
}

.at-flow-step__num {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--at-primary), var(--at-accent));
  color: var(--at-white);
  font-weight: 900;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 20px rgba(14,165,233,0.35);
}

.at-flow-step__title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--at-text);
  margin: 0 0 8px;
}

.at-flow-step__desc {
  font-size: 0.8125rem;
  color: var(--at-text-muted);
  line-height: 1.6;
}

/* ============================================================
   COMPANY TABLE
   ============================================================ */
.at-company-table {
  width: 100%;
  border-collapse: collapse;
}

.at-company-table th,
.at-company-table td {
  padding: 18px 24px;
  text-align: left;
  border-bottom: 1px solid var(--at-border);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.at-company-table th {
  width: 200px;
  font-weight: 700;
  color: var(--at-primary);
  background: var(--at-bg-light);
  white-space: nowrap;
}

.at-company-table tr:last-child th,
.at-company-table tr:last-child td {
  border-bottom: none;
}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.at-contact-wrap {
  max-width: 680px;
  margin: 0 auto;
  background: var(--at-white);
  border-radius: var(--at-radius);
  padding: 48px;
  box-shadow: var(--at-shadow-lg);
}

.at-contact-wrap .wpcf7-form label {
  display: block;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--at-text);
  margin-bottom: 8px;
}

.at-contact-wrap .wpcf7-form .wpcf7-text,
.at-contact-wrap .wpcf7-form .wpcf7-email,
.at-contact-wrap .wpcf7-form .wpcf7-tel,
.at-contact-wrap .wpcf7-form .wpcf7-textarea,
.at-contact-wrap .wpcf7-form select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--at-border);
  border-radius: var(--at-radius-sm);
  font-size: 1rem;
  font-family: inherit;
  color: var(--at-text);
  background: var(--at-white);
  transition: border-color var(--at-transition), box-shadow var(--at-transition);
  outline: none;
}

.at-contact-wrap .wpcf7-form .wpcf7-text:focus,
.at-contact-wrap .wpcf7-form .wpcf7-email:focus,
.at-contact-wrap .wpcf7-form .wpcf7-tel:focus,
.at-contact-wrap .wpcf7-form .wpcf7-textarea:focus {
  border-color: var(--at-accent);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.15);
}

.at-contact-wrap .wpcf7-form .wpcf7-textarea {
  height: 160px;
  resize: vertical;
}

.at-form-group {
  margin-bottom: 24px;
}

.at-contact-wrap .wpcf7-submit {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--at-primary), var(--at-accent));
  color: var(--at-white);
  border: none;
  border-radius: 50px;
  font-size: 1.0625rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--at-transition);
  letter-spacing: 0.05em;
  box-shadow: 0 4px 20px rgba(14,165,233,0.4);
}

.at-contact-wrap .wpcf7-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(14,165,233,0.55);
}

/* チェックボックス */
.at-checkbox-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 8px;
}

.at-contact-wrap .wpcf7-checkbox .wpcf7-list-item {
  margin: 0;
}

.at-contact-wrap .wpcf7-checkbox .wpcf7-list-item-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 400;
  cursor: pointer;
  font-size: 0.9375rem;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.at-cta-banner {
  background: linear-gradient(135deg, var(--at-grad-start) 0%, var(--at-primary-mid) 50%, var(--at-grad-end) 100%);
  padding: var(--at-section-py) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.at-cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.at-cta-banner__content {
  position: relative;
  z-index: 1;
}

.at-cta-banner__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 900;
  color: var(--at-white);
  margin: 0 0 16px;
}

.at-cta-banner__desc {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.85);
  margin: 0 0 40px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer,
#site-footer {
  background: var(--at-bg-dark) !important;
  color: rgba(255,255,255,0.7);
  border-top: 1px solid rgba(14,165,233,0.2);
}

.at-footer {
  padding: 64px 0 0;
}

.at-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.at-footer__logo {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--at-white);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.at-footer__desc {
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
  margin-bottom: 24px;
}

.at-footer__nav-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--at-accent);
  margin-bottom: 16px;
}

.at-footer__nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.at-footer__nav ul li {
  margin-bottom: 10px;
}

.at-footer__nav ul li a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--at-transition);
}

.at-footer__nav ul li a:hover {
  color: var(--at-accent);
}

.at-footer__bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
}

/* ============================================================
   STATS / NUMBERS
   ============================================================ */
.at-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--at-radius);
  overflow: hidden;
}

.at-stat-item {
  background: rgba(255,255,255,0.05);
  padding: 40px 32px;
  text-align: center;
}

.at-stat-item__num {
  font-size: 3rem;
  font-weight: 900;
  color: var(--at-accent);
  line-height: 1;
  margin-bottom: 8px;
}

.at-stat-item__label {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
}

/* ============================================================
   DETAIL PAGE - 対象・特徴リスト
   ============================================================ */
.at-target-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.at-target-item {
  background: var(--at-bg-light);
  border-radius: var(--at-radius-sm);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: all var(--at-transition);
}

.at-target-item:hover {
  background: linear-gradient(135deg, var(--at-primary), var(--at-accent));
  color: var(--at-white);
  transform: translateY(-2px);
  box-shadow: var(--at-shadow);
}

.at-target-item__icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* ============================================================
   FADE IN ANIMATION
   ============================================================ */
.at-fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.at-fade-in.at-visible {
  opacity: 1;
  transform: translateY(0);
}

.at-fade-in:nth-child(1) { transition-delay: 0.1s; }
.at-fade-in:nth-child(2) { transition-delay: 0.2s; }
.at-fade-in:nth-child(3) { transition-delay: 0.3s; }
.at-fade-in:nth-child(4) { transition-delay: 0.4s; }
.at-fade-in:nth-child(5) { transition-delay: 0.5s; }
.at-fade-in:nth-child(6) { transition-delay: 0.6s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --at-section-py: 64px;
  }

  .at-services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .at-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --at-section-py: 48px;
  }

  .at-hero__title { font-size: 1.875rem; }
  .at-hero__actions { flex-direction: column; align-items: center; }

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

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

  .at-flow {
    flex-direction: column;
    gap: 24px;
  }

  .at-flow::before { display: none; }

  .at-stats {
    grid-template-columns: 1fr;
    gap: 1px;
  }

  .at-footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .at-contact-wrap {
    padding: 32px 24px;
  }

  .at-company-table th {
    width: 120px;
    padding: 14px 16px;
    font-size: 0.875rem;
  }

  .at-company-table td {
    padding: 14px 16px;
    font-size: 0.875rem;
  }

  .at-target-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .at-checkbox-group {
    grid-template-columns: 1fr;
  }

  .at-section-head { margin-bottom: 40px; }
}

@media (max-width: 480px) {
  .at-btn { padding: 12px 24px; font-size: 0.875rem; }
  .at-target-list { grid-template-columns: 1fr; }
  .at-hero { min-height: 100svh; }
}

/* ============================================================
   LIGHTNING DEFAULT OVERRIDE
   ============================================================ */
.entry-content p,
.page-content p {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.5em;
}

/* Lightning ページタイトル帯 */
.page-header,
.vk-page-header {
  background: linear-gradient(135deg, var(--at-primary), var(--at-accent)) !important;
  color: var(--at-white) !important;
  padding: 60px 0;
}

.page-header .page-title,
.entry-title {
  color: var(--at-white) !important;
}

/* サイドバー非表示（フルワイドレイアウト用） */
.layout-one-column #sidebar,
.layout-one-column .sidebar-area {
  display: none;
}

.layout-one-column #main,
.layout-one-column .main-area {
  width: 100%;
  max-width: 100%;
}

/* ============================================================
   CUSTOM HEADER / NAVIGATION
   ============================================================ */
.at-site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(15,30,53,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(14,165,233,0.15);
  transition: background var(--at-transition), box-shadow var(--at-transition);
}
.at-site-header.scrolled {
  background: rgba(15,30,53,0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.at-header-inner {
  display: flex;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 70px;
  gap: 1rem;
}
.at-logo {
  text-decoration: none;
  color: var(--at-white);
  flex-shrink: 0;
}
.at-logo__text {
  font-size: 0.8rem;
  line-height: 1.4;
  font-weight: 500;
  color: var(--at-white);
}
.at-logo__text strong {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--at-accent);
}
.at-global-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}
.at-nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.25rem;
}
.at-nav-list li a {
  display: block;
  padding: 0.5rem 0.85rem;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 6px;
  transition: color var(--at-transition), background var(--at-transition);
  white-space: nowrap;
}
.at-nav-list li a:hover,
.at-nav-list li.current-menu-item > a {
  color: var(--at-accent);
  background: rgba(14,165,233,0.1);
}
.at-header-cta {
  flex-shrink: 0;
  padding: 0.5rem 1.2rem;
  background: var(--at-accent);
  color: var(--at-white);
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background var(--at-transition), transform var(--at-transition);
}
.at-header-cta:hover {
  background: var(--at-accent-dark);
  transform: translateY(-1px);
  color: var(--at-white);
}
/* Hamburger */
.at-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-shrink: 0;
}
.at-hamburger span {
  display: block;
  height: 2px;
  background: var(--at-white);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.at-hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.at-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.at-hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
/* Mobile nav */
.at-mobile-nav {
  display: none;
  background: rgba(15,30,53,0.98);
  border-top: 1px solid rgba(14,165,233,0.15);
  padding: 1rem 1.5rem;
}
.at-mobile-nav.open {
  display: block;
}
.at-mobile-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.at-mobile-nav__list li a {
  display: block;
  padding: 0.75rem 0;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--at-transition);
}
.at-mobile-nav__list li:last-child a { border-bottom: none; }
.at-mobile-nav__list li a:hover { color: var(--at-accent); }

/* ページコンテンツをヘッダー分押し下げ */
.at-hero { padding-top: 70px; }
.at-page-hero { margin-top: 70px; }

@media (max-width: 768px) {
  .at-global-nav,
  .at-header-cta { display: none; }
  .at-hamburger { display: flex; }
  .at-header-inner { height: 60px; }
  .at-hero { padding-top: 60px; }
  .at-page-hero { margin-top: 60px; }
}