/* ============================================
   ノードワークス 共通スタイルシート
   ============================================ */

/* --- CSS Variables --- */
:root {
  /* === 名刺テーマ：ダークチャコール × ウォームオレンジ === */
  --primary: #2a2a2d;
  --primary-light: #3a3a3e;
  --primary-dark: #1a1a1d;
  --accent: #e8823a;
  --accent-light: #f0a060;
  --accent-dark: #c86820;
  --secondary: #f0ede8;
  --text-dark: #1a1a1d;
  --text-mid: #4a4a50;
  --text-light: #7a7a82;
  --white: #f5f3f0;
  --border: #ddd8d0;
  --success: #4a9e6a;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.18);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.28);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s ease;
  --font-jp: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-jp);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-jp);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  font-weight: 700;
}

/* --- Container --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 26, 29, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(232,130,58,0.2);
  transition: var(--transition);
}

#site-header.scrolled {
  background: rgba(20, 20, 22, 0.99);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

/* モバイルでもヘッダーをダークチャコールで統一 */
@media (max-width: 768px) {
  #site-header {
    background: rgba(26, 26, 29, 0.97);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(232,130,58,0.2);
  }

  #site-header.scrolled {
    background: rgba(20, 20, 22, 0.99);
    box-shadow: 0 2px 20px rgba(0,0,0,0.5);
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 40px 0 16px;
}

.logo a {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.header-logo-img {
  height: 52px;
  width: 52px;
  display: block;
  object-fit: cover;
  border-radius: 10px;
  filter: brightness(1.05);
  transition: var(--transition);
}

.header-logo-img:hover {
  opacity: 0.85;
  transform: scale(1.03);
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -1px;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 2px;
  line-height: 1.1;
}

.logo-sub {
  font-size: 10px;
  color: var(--accent-light);
  letter-spacing: 1px;
  font-weight: 400;
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 14px;
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
  text-decoration: none;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: calc(100% - 20px);
}

.nav-link .nav-jp {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  margin-top: 1px;
}

.nav-cta {
  margin-left: 16px;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white) !important;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.5px;
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(232,130,58,0.30);
}

.nav-cta:hover {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  box-shadow: 0 4px 16px rgba(232,130,58,0.40);
  transform: translateY(-1px);
}

.nav-cta::after {
  display: none !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 0;
  transition: var(--transition);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.3);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--primary-dark);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  z-index: 999;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 12px 0;
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: var(--transition);
}

.mobile-menu a:hover {
  color: var(--accent);
  padding-left: 8px;
}

.mobile-menu a:last-child {
  border-bottom: none;
  color: var(--accent);
  font-weight: 700;
}

/* ============================================
   FOOTER
   ============================================ */
#site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo-name {
  font-size: 22px;
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
  margin-top: 12px;
  color: rgba(255,255,255,0.6);
}

.footer-brand .slogan {
  font-size: 13px;
  color: var(--accent-light);
  font-style: italic;
  margin-top: 16px;
  padding-left: 12px;
  border-left: 3px solid var(--accent);
}

.footer-col h4 {
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-col ul li a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}

.footer-col ul li a::before {
  content: '›';
  color: var(--accent);
  font-weight: 700;
}

.footer-contact-info {
  margin-top: 0;
}

.footer-contact-info li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 14px;
  font-size: 13px;
}

.footer-contact-info li span:first-child {
  color: var(--accent-light);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
}

.footer-contact-info li span:last-child {
  color: rgba(255,255,255,0.8);
}

.footer-tel {
  font-size: 20px !important;
  font-weight: 700 !important;
  color: var(--white) !important;
  letter-spacing: 1px;
}

.footer-mail {
  display: block;
  font-size: 12px !important;
  color: rgba(255,255,255,0.55) !important;
  text-decoration: none;
  margin-top: 4px;
  word-break: break-all;
  transition: color 0.3s;
}

.footer-mail:hover {
  color: var(--accent-light) !important;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: rgba(255,255,255,0.4);
  transition: var(--transition);
}

.footer-bottom-links a:hover {
  color: rgba(255,255,255,0.7);
}

/* ============================================
   PAGE HERO (各ページ共通)
   ============================================ */
.page-hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232,130,58,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(232,130,58,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero-content {
  position: relative;
  z-index: 1;
}

.page-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,130,58,0.15);
  border: 1px solid rgba(232,130,58,0.35);
  color: var(--accent-light);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.page-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.page-hero h1 span {
  color: var(--accent);
}

.page-hero p {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.breadcrumb a {
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.breadcrumb a:hover {
  color: var(--accent-light);
}

.breadcrumb span {
  color: var(--accent-light);
}

/* ============================================
   SECTION COMMON STYLES
   ============================================ */
.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--secondary);
}

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

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

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,130,58,0.10);
  border: 1px solid rgba(232,130,58,0.25);
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-dark .section-badge {
  background: rgba(232,130,58,0.18);
  border-color: rgba(232,130,58,0.35);
  color: var(--accent-light);
}

.section-title {
  font-size: clamp(26px, 4vw, 40px);
  color: var(--text-dark);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

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

.section-title span {
  color: var(--accent-dark);
}

.section-dark .section-title span {
  color: var(--accent-light);
}

.section-desc {
  font-size: 16px;
  color: var(--text-light);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.8;
}

.section-dark .section-desc {
  color: rgba(255,255,255,0.65);
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(232,130,58,0.3);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.5px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-jp);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(232,130,58,0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232,130,58,0.45);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 16px;
}

.btn-sm {
  padding: 10px 22px;
  font-size: 13px;
}

/* ============================================
   TAGS / BADGES
   ============================================ */
.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.tag-accent {
  background: rgba(232,130,58,0.12);
  color: var(--accent-dark);
}

.tag-primary {
  background: rgba(42,42,45,0.1);
  color: var(--primary);
}

/* ============================================
   DIVIDER
   ============================================ */
.divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 3px;
  margin: 16px auto 0;
}

.divider-left {
  margin: 16px 0 0;
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-accent { color: var(--accent-dark); }
.text-primary { color: var(--primary); }
.text-white { color: var(--white); }
.text-muted { color: var(--text-light); }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }

/* ============================================
   SCROLL TO TOP
   ============================================ */
#scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 900;
  box-shadow: var(--shadow-md);
  border: 2px solid rgba(255,255,255,0.15);
}

#scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
}

#scroll-top:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

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

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .header-logo-img {
    height: 56px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 0 20px;
  }

  .main-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .section {
    padding: 70px 0;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .page-hero {
    padding: 110px 0 60px;
  }

  /* フッターロゴ画像 */
  .footer-brand > div img {
    height: 44px;
  }

  .footer-brand > div span {
    font-size: 18px !important;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .btn-lg {
    padding: 14px 28px;
    font-size: 15px;
  }

  /* ヘッダー・フッターロゴ画像 */
  .header-logo-img {
    height: 46px;
  }

  .footer-brand > div img {
    height: 36px;
  }

  .footer-brand > div span {
    font-size: 16px !important;
  }
}

/* ============================================
   COMMON CTA SECTION
   ============================================ */
.cta-redesign {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(232,130,58,0.14) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 30%, rgba(200,104,32,0.10) 0%, transparent 50%),
    linear-gradient(160deg, #1a1a1d 0%, #2a2a2d 50%, #1a1a1d 100%);
  padding: 96px 0;
}

/* 上辺の光ライン */
.cta-redesign::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(232,130,58,0.8) 40%, rgba(240,160,96,1) 50%, rgba(232,130,58,0.8) 60%, transparent);
  pointer-events: none;
}

/* 斜め光の筋テクスチャ */
.cta-redesign::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -50deg,
    transparent,
    transparent 48px,
    rgba(232,130,58,0.03) 48px,
    rgba(232,130,58,0.03) 50px
  );
  pointer-events: none;
}

.cta-redesign .container {
  position: relative;
  z-index: 1;
}

/* 安心感を示す3つのポイント */
.cta-trust-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.cta-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.9);
  background: rgba(232,130,58,0.15);
  border: 1px solid rgba(232,130,58,0.35);
  border-radius: 100px;
  padding: 7px 16px;
}

.cta-trust-item i {
  color: #f0a060;
  font-size: 12px;
}

/* タイトルエリア */
.cta-redesign-title {
  font-size: clamp(26px, 3.5vw, 42px);
  font-weight: 900;
  color: #fff;
  text-align: center;
  line-height: 1.4;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.cta-redesign-title span {
  color: #f0a060;
}

.cta-redesign-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.65);
  text-align: center;
  line-height: 2;
  margin-bottom: 48px;
}

/* 電話番号ブロック */
.cta-redesign-tel-block {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
}

.cta-tel-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 24px 40px;
  backdrop-filter: blur(8px);
}

.cta-tel-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, #c86820, #e8823a);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cta-tel-icon i {
  color: #fff;
  font-size: 20px;
}

.cta-tel-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cta-tel-label {
  font-size: 11px;
  letter-spacing: 2px;
  color: rgba(240,160,96,0.95);
  font-weight: 700;
}

.cta-tel-num {
  font-size: 34px;
  font-weight: 900;
  color: #fff;
  font-family: 'Inter', sans-serif;
  letter-spacing: 2px;
  text-decoration: none;
  transition: color 0.3s;
  line-height: 1;
}

.cta-tel-num:hover {
  color: #f0a060;
}

.cta-tel-mail {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  word-break: break-all;
  transition: color 0.3s;
  margin: 2px 0;
}

.cta-tel-mail:hover {
  color: var(--accent-light);
}

.cta-tel-hours {
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.5px;
}

/* ボタン行 */
.cta-redesign-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* レスポンシブ */
@media (max-width: 768px) {
  .cta-redesign {
    padding: 64px 0;
  }
  .cta-tel-card {
    padding: 20px 28px;
    gap: 16px;
  }
  .cta-tel-num {
    font-size: 26px;
  }
  .cta-trust-row {
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .cta-tel-card {
    flex-direction: column;
    text-align: center;
    padding: 24px 20px;
    width: 100%;
  }
  .cta-redesign-actions {
    flex-direction: column;
    align-items: center;
  }
}