/* ============================================
   合同会社ハレルヤ - Corporate Site
   ============================================ */

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

:root {
  --primary: #0a3d8f;
  --primary-light: #1565c0;
  --primary-dark: #042a5e;
  --accent: #2196f3;
  --accent-light: #64b5f6;
  --white: #ffffff;
  --off-white: #f5f7fa;
  --gray-100: #e8ecf1;
  --gray-200: #cdd5de;
  --gray-400: #8e99a4;
  --gray-600: #5a6570;
  --gray-800: #2d3436;
  --dark: #1a1a2e;
  --shadow-sm: 0 2px 8px rgba(10, 61, 143, 0.08);
  --shadow-md: 0 4px 20px rgba(10, 61, 143, 0.12);
  --shadow-lg: 0 8px 40px rgba(10, 61, 143, 0.16);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "メイリオ", sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Utility --- */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header .en-title {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 4px;
}

.section-header .sub {
  font-size: 0.9rem;
  color: var(--gray-400);
}

/* Scroll Animation */
.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-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  padding: 10px 0;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.05em;
  transition: var(--transition);
}

.header.scrolled .logo {
  color: var(--primary-dark);
}

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

.header.scrolled .logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding: 4px 0;
}

.header.scrolled .nav-links a {
  color: var(--gray-600);
}

.nav-links a:not(.btn-contact)::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

.nav-links a:not(.btn-contact):hover::after {
  width: 100%;
}

.nav-links a:not(.btn-contact):hover {
  color: var(--white);
}

.header.scrolled .nav-links a:not(.btn-contact):hover {
  color: var(--primary);
}

.btn-contact {
  background: #f97316;
  color: var(--white) !important;
  padding: 10px 40px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  transition: var(--transition);
}

.btn-contact:hover {
  background: #ea6c0a;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.4);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.header.scrolled .hamburger span {
  background: var(--gray-800);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(10, 61, 143, 0.97);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

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

.mobile-nav a {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.1em;
}

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

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 40%, var(--accent) 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
  animation: heroFloat 8s ease-in-out infinite;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -20%;
  left: -20%;
  width: 60%;
  height: 120%;
  background: radial-gradient(circle, rgba(33, 150, 243, 0.12) 0%, transparent 60%);
  animation: heroFloat 10s ease-in-out infinite reverse;
}

@keyframes heroFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -20px); }
}

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

.hero-content .catch {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0.1em;
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-content .sub-catch {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.15em;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero-scroll span {
  display: block;
  width: 1px;
  height: 60px;
  background: rgba(255, 255, 255, 0.4);
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.hero-scroll span::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--white);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { top: -100%; }
  50% { top: 100%; }
  100% { top: 100%; }
}

.hero-scroll p {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 8px;
  text-transform: uppercase;
}

/* --- About --- */
.about {
  background: #ffffff;
  color: var(--primary-dark);
}

.about .container {
  max-width: 1300px;
}

.about .section-header {
  margin-bottom: 48px;
  text-align: center;
}

.about .section-header .en-title {
  font-size: 3.3rem;
  font-weight: 700;
  line-height: normal;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.about .about-subcopy {
  font-size: clamp(0.85rem, 1vw, 0.95rem);
  font-weight: 500;
  color: var(--gray-600);
  letter-spacing: 0.02em;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.about .about-copy {
  font-size: clamp(4.0rem, 2.5vw, 2rem);
  font-weight: 900;
  line-height: 1.4;
  color: var(--primary-dark);
  margin: 0;
}

.about-body {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-body p {
  font-size: 1.4rem;
  line-height: 2.0;
  color: var(--gray-600);
  margin-bottom: 28px;
}

.btn-primary {
  display: inline-block;
  padding: 14px 40px;
  background: var(--primary);
  color: var(--white);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 50px;
  letter-spacing: 0.05em;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  display: inline-block;
  padding: 12px 36px;
  background: transparent;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 50px;
  letter-spacing: 0.05em;
  border: 2px solid var(--primary);
  transition: var(--transition);
  cursor: pointer;
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.about .btn-outline {
  color: var(--primary-dark);
  border-color: var(--primary-dark);
}

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

/* --- Service --- */
.service {
  background: var(--off-white);
}

.service .section-header .en-title {
  font-size: 3.3rem;
  line-height: normal;
}

.service-desc {
  text-align: center;
  font-size: 1rem;
  color: var(--gray-600);
  margin-top: -40px;
  margin-bottom: 50px;
}

.service-grid {
  display: grid;
  gap: 36px;
}

.service-card {
  width: min(100%, 880px);
}

.service-card:nth-child(2) {
  margin-left: auto;
}

.service-card-link {
  display: grid;
  grid-template-columns: 1fr 72px;
  min-height: 220px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.service-card-kensetsu .service-card-link {
  border-top: 4px solid #60a5fa;
}

.service-card-shien .service-card-link {
  border-top: 4px solid #34d399;
}

.service-card-link:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-card-main {
  position: relative;
  display: flex;
  justify-content: flex-end;
  padding: 0;
  isolation: isolate;
  overflow: hidden;
}

.service-card-main::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  transition: transform 0.6s ease;
}

.service-card-link:hover .service-card-main::before {
  transform: scale(1.06);
}

.service-card-main::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0) 10%, rgba(255, 255, 255, 0.55) 38%, rgba(255, 255, 255, 0.92) 100%);
  z-index: -1;
}

.service-card-kensetsu .service-card-main::before {
  background: linear-gradient(135deg, #0a3d8f 0%, #1565c0 55%, #2196f3 100%);
}

.service-card-shien .service-card-main::before {
  background: linear-gradient(135deg, #064e3b 0%, #059669 55%, #34d399 100%);
}

.service-card-num {
  position: absolute;
  bottom: 8px;
  left: 16px;
  font-size: 7rem;
  font-weight: 900;
  font-style: italic;
  color: rgba(255, 255, 255, 0.14);
  line-height: 1;
  letter-spacing: -0.04em;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.service-card-bg-text {
  position: absolute;
  left: 0;
  right: 440px;
  top: 50%;
  transform: translateY(-50%);
  text-align: center;
  color: rgba(255, 255, 255, 0.85);
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  white-space: nowrap;
  z-index: 0;
  pointer-events: none;
  user-select: none;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.2);
}

.service-card-icon {
  display: block;
  font-size: 2rem;
  margin-bottom: 12px;
  line-height: 1;
}

.service-card-content {
  width: min(100%, 440px);
  padding: 28px 36px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(4px);
  position: relative;
  z-index: 1;
}

.service-card h3 {
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1.35;
  color: #111111;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.95rem;
  color: #374151;
  line-height: 1.85;
}

.service-card-arrow {
  display: grid;
  place-items: center;
}

.service-card-kensetsu .service-card-arrow {
  background: linear-gradient(180deg, #0a3d8f, #1565c0);
}

.service-card-shien .service-card-arrow {
  background: linear-gradient(180deg, #064e3b, #059669);
}

.service-card-arrow span {
  color: #ffffff;
  font-size: 1.6rem;
  line-height: 1;
  transition: transform 0.3s ease;
}

.service-card-link:hover .service-card-arrow span {
  transform: translateX(4px);
}

/* --- Shien Page --- */
.shien-content {
  padding: 80px 0;
}

/* Shared section header */
.shien-sec-header {
  margin-bottom: 36px;
}

.shien-sec-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #0d8065;
  margin-bottom: 10px;
}

.shien-sec-label--challenge {
  color: #f97316;
}

.shien-sec-title {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.45;
  margin-bottom: 0;
}

.shien-sec-subtitle {
  margin-top: 10px;
  font-size: 0.97rem;
  color: var(--gray-600);
  line-height: 1.75;
}

/* Purpose block */
.shien-purpose {
  background: linear-gradient(135deg, #f0fdf9 0%, #e6f7f2 100%);
  border-radius: var(--radius-lg);
  padding: 52px 60px;
  margin-bottom: 48px;
  border-left: 5px solid #0d8065;
  box-shadow: var(--shadow-sm);
}

.shien-purpose-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.shien-purpose-list li {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--gray-800);
  line-height: 1.75;
  padding-left: 1.5em;
  position: relative;
}

.shien-purpose-list li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: #0d8065;
  font-weight: 700;
}

/* Challenge block */
.shien-challenge {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 52px 60px;
  margin-bottom: 48px;
  border-left: 5px solid #f97316;
  box-shadow: var(--shadow-sm);
}

.shien-challenge-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.shien-challenge-image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}

.shien-challenge-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.shien-challenge-list li {
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--gray-800);
  line-height: 1.75;
  padding: 18px 20px 18px 20px;
  background: var(--off-white);
  border-radius: var(--radius);
  border-left: 4px solid #f97316;
  padding-left: 1.4em;
  position: relative;
}

.shien-challenge-list li::before {
  content: "・";
  position: absolute;
  left: 6px;
  color: #f97316;
  font-weight: 700;
}

@media (max-width: 768px) {
  .shien-purpose,
  .shien-challenge {
    padding: 36px 28px;
  }

  .shien-challenge-body {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .shien-sec-title {
    font-size: 1.2rem;
  }
}

/* Goal block */
.shien-sec-label--goal { color: var(--accent); }
.shien-sec-label--mechanism { color: #26c6a0; }

.shien-goal {
  background: linear-gradient(135deg, #f0f7ff 0%, #e3f0fc 100%);
  border-radius: var(--radius-lg);
  padding: 52px 60px;
  margin-bottom: 48px;
  border-left: 5px solid var(--accent);
  box-shadow: var(--shadow-sm);
}

/* Mechanism block */
.shien-mechanism {
  background: linear-gradient(135deg, #f0fdf8 0%, #e0f7f1 100%);
  border-radius: var(--radius-lg);
  padding: 52px 60px;
  margin-bottom: 48px;
  border-left: 5px solid #26c6a0;
  box-shadow: var(--shadow-sm);
}

/* Shared image+text layout */
.shien-img-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.shien-img-layout__image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}

.shien-img-layout__text {
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--gray-800);
  line-height: 1.9;
  margin: 0;
}

.shien-mechanism-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.shien-mechanism-list li {
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--gray-800);
  line-height: 1.75;
  padding-left: 1.5em;
  position: relative;
}

.shien-mechanism-list li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: #26c6a0;
  font-weight: 700;
}

@media (max-width: 768px) {
  .shien-goal,
  .shien-mechanism {
    padding: 36px 28px;
  }

  .shien-img-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .shien-img-layout__image {
    order: -1;
  }
}

/* Merit block */
.shien-sec-label--merit { color: #7c3aed; }

.shien-merit {
  background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%);
  border-radius: var(--radius-lg);
  padding: 52px 60px;
  margin-bottom: 48px;
  border-left: 5px solid #7c3aed;
  box-shadow: var(--shadow-sm);
}

.shien-merit-body {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.shien-merit-lead {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.75;
  margin: 0;
}

.shien-merit-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  counter-reset: merit-counter;
}

.shien-merit-list li {
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-800);
  line-height: 1.7;
  padding-left: 2.4em;
  position: relative;
  counter-increment: merit-counter;
}

.shien-merit-list li::before {
  content: counter(merit-counter);
  position: absolute;
  left: 0;
  top: 0.1em;
  width: 1.55em;
  height: 1.55em;
  background: #7c3aed;
  color: #fff;
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 700;
  text-align: center;
  line-height: 1.55em;
}

@media (max-width: 768px) {
  .shien-merit {
    padding: 36px 28px;
  }
}

/* Results Section */
.shien-sec-label--results { color: #f59e0b; }

.shien-results-section {
  background: var(--off-white);
  padding: 80px 0;
}

.shien-results-header {
  margin-bottom: 48px;
}

.shien-results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.shien-result-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.shien-result-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.shien-result-card__head {
  background: linear-gradient(135deg, #0d8065, #10a37f);
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.shien-result-card__num {
  font-size: 2rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.25);
  line-height: 1;
  font-style: italic;
  flex-shrink: 0;
}

.shien-result-card__industry {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.05em;
}

.shien-result-before {
  padding: 20px 24px;
  background: #fff7ed;
  border-bottom: 1px solid #fed7aa;
}

.shien-result-before p {
  font-size: 0.93rem;
  color: var(--gray-800);
  line-height: 1.75;
  margin: 0;
}

.shien-result-after {
  padding: 20px 24px;
  background: #f0fdf9;
  flex: 1;
}

.shien-result-phase {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.shien-result-phase--before {
  background: #f97316;
  color: #fff;
}

.shien-result-phase--after {
  background: #0d8065;
  color: #fff;
}

.shien-result-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  counter-reset: result-counter;
}

.shien-result-list li {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--gray-800);
  line-height: 1.7;
  padding-left: 2.2em;
  position: relative;
  counter-increment: result-counter;
}

.shien-result-list li::before {
  content: counter(result-counter);
  position: absolute;
  left: 0;
  top: 0.12em;
  width: 1.5em;
  height: 1.5em;
  background: #0d8065;
  color: #fff;
  border-radius: 50%;
  font-size: 0.72rem;
  font-weight: 700;
  text-align: center;
  line-height: 1.5em;
}

@media (max-width: 900px) {
  .shien-results-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .shien-results-section {
    padding: 60px 0;
  }
}

/* --- Contact Section --- */
.contact-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white);
  text-align: center;
}

.contact-section .section-header .en-title {
  color: var(--accent-light);
  font-size: 3.3rem;
  line-height: normal;
}

.contact-section .section-header h2 {
  color: var(--white);
}

.contact-section .section-header .sub {
  color: rgba(255, 255, 255, 0.6);
}

.contact-desc {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 40px;
  margin-top: -30px;
}

.btn-white {
  display: inline-block;
  padding: 16px 48px;
  background: var(--white);
  color: var(--primary);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 50px;
  letter-spacing: 0.05em;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

/* --- Footer --- */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.6);
  padding: 60px 0 30px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.05em;
}

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

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.05em;
}

/* --- Scroll Top Button --- */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 900;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.scroll-top:hover {
  background: var(--accent);
  transform: translateY(-3px);
}

/* --- Page Header (sub pages) --- */
.page-header {
  padding: 140px 0 60px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  text-align: center;
  color: var(--white);
}

.page-header h1 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.page-header .page-sub {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.05em;
}

/* --- About Page --- */
.about-page-content {
  padding: 80px 0;
}

/* --- CEO Message Section --- */
.ceo-message-section {
  padding: 80px 0;
  background: var(--off-white);
}

.ceo-message {
  max-width: 800px;
  margin: 0 auto;
}

.ceo-message-body {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--primary);
}

.ceo-message-body p {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 2;
  margin-bottom: 24px;
}

.ceo-message-body p:last-child {
  margin-bottom: 0;
}

.ceo-signature {
  text-align: right;
  font-weight: 700;
  color: var(--primary-dark) !important;
  margin-top: 8px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-100);
}

@media (max-width: 768px) {
  .ceo-message-body {
    padding: 32px 24px;
  }
}

/* --- Company Table --- */
.company-table {
  max-width: 800px;
  margin: 0 auto;
}

.company-table table {
  width: 100%;
  border-collapse: collapse;
}

.company-table th,
.company-table td {
  padding: 20px 24px;
  text-align: left;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.95rem;
}

.company-table th {
  width: 160px;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--off-white);
  white-space: nowrap;
}

.company-table td {
  color: var(--gray-600);
  line-height: 1.8;
}

@media (max-width: 768px) {
  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
  }

  .company-table th {
    border-bottom: none;
    padding-bottom: 4px;
  }

  .company-table td {
    padding-top: 4px;
  }
}

/* --- Service Page --- */
.service-page-content {
  padding: 80px 0;
}

.service-detail {
  max-width: 800px;
  margin: 0 auto;
}

.service-detail h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 16px;
  padding-left: 16px;
  border-left: 4px solid var(--accent);
}

.service-detail p {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 2;
  margin-bottom: 30px;
}

.service-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.service-list-item {
  background: var(--off-white);
  padding: 24px;
  border-radius: var(--radius);
  text-align: center;
  font-weight: 700;
  color: var(--primary-dark);
  transition: var(--transition);
}

.service-list-item:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.service-list-item .icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

/* --- Contact Page --- */
.contact-page-content {
  padding: 80px 0;
}

.contact-form-wrap {
  max-width: 700px;
  margin: 0 auto;
  background: var(--white);
  padding: 50px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.form-group label .required {
  display: inline-block;
  background: #e74c3c;
  color: var(--white);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 8px;
  font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--gray-100);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  color: var(--gray-800);
  transition: var(--transition);
  background: var(--off-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(33, 150, 243, 0.1);
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.form-submit {
  text-align: center;
  margin-top: 32px;
}

.form-submit .btn-primary {
  min-width: 240px;
  font-size: 1rem;
  padding: 16px 48px;
}

/* --- Kensetsu Page --- */
.kensetsu-content {
  padding: 80px 0;
}

.kensetsu-intro {
  max-width: 800px;
  margin: 0 auto 60px;
  text-align: center;
}

.kensetsu-intro p {
  font-size: 1.05rem;
  color: var(--gray-600);
  line-height: 2;
}

.construction-detail-list {
  display: grid;
  gap: 28px;
}

.construction-detail {
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 32px;
  background: var(--white);
}

.construction-detail h3 {
  font-size: 1.2rem;
  color: var(--primary-dark);
  margin-bottom: 20px;
  padding-left: 12px;
  border-left: 4px solid var(--accent);
}

.construction-detail-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: center;
  margin-bottom: 20px;
}

.construction-detail-top img {
  width: 100%;
  border-radius: var(--radius);
}

.construction-detail-top p {
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--gray-600);
}

.construction-detail-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.construction-detail-gallery img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--gray-100);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.work-card {
  background: var(--off-white);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  transition: var(--transition);
  border: 2px solid transparent;
}

.work-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.work-card .work-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.work-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.work-card p {
  font-size: 0.85rem;
  color: var(--gray-400);
  line-height: 1.6;
}

/* --- Access section --- */
.access-section {
  background: var(--off-white);
}

.access-content {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.access-info {
  flex: 1;
  min-width: 280px;
}

.access-info h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 20px;
}

.access-info dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px 20px;
}

.access-info dt {
  font-weight: 700;
  color: var(--primary-dark);
  font-size: 0.9rem;
}

.access-info dd {
  color: var(--gray-600);
  font-size: 0.9rem;
}

.access-map {
  flex: 1.5;
  min-width: 300px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--gray-200);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 0.9rem;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1200px) {
  .container {
    max-width: 960px;
  }
}

@media (max-width: 992px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-nav {
    display: flex;
  }

  .service-grid {
    gap: 40px;
  }

  .service-card-link {
    min-height: 200px;
  }

  .service-card h3 {
    font-size: 1.7rem;
  }

  .access-content {
    flex-direction: column;
  }

  .access-map {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .section-header h2 {
    font-size: 1.6rem;
  }

  .about .section-header {
    margin-bottom: 36px;
  }

  .about .section-header .en-title {
    margin-bottom: 8px;
  }

  .hero-content .catch {
    font-size: 2.2rem;
  }

  .service-grid {
    gap: 26px;
  }

  .service-card:nth-child(2) {
    margin-left: 0;
  }

  .service-card-link {
    grid-template-columns: 1fr 64px;
    min-height: 220px;
  }

  .service-card-content {
    width: min(100%, 280px);
    padding: 28px 20px;
  }

  .service-card h3 {
    font-size: 1.5rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .contact-form-wrap {
    padding: 30px 20px;
  }

  .page-header {
    padding: 120px 0 40px;
  }

  .page-header h1 {
    font-size: 1.6rem;
  }

  .construction-detail-top {
    grid-template-columns: 1fr;
  }

  .construction-detail {
    padding: 24px;
  }

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

@media (max-width: 576px) {
  html {
    font-size: 15px;
  }

  .container {
    padding: 0 16px;
  }

  .section {
    padding: 60px 0;
  }


  .hero-content .catch {
    font-size: 1.9rem;
  }

  .service-grid {
    gap: 22px;
  }

  .service-card-link {
    grid-template-columns: 1fr 56px;
    min-height: 200px;
  }

  .service-card-content {
    width: min(100%, 245px);
    padding: 22px 16px;
  }

  .service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
  }

  .service-card p {
    font-size: 0.9rem;
    line-height: 1.75;
  }

  .service-card-arrow span {
    font-size: 1.8rem;
  }

  .btn-white {
    padding: 14px 36px;
    font-size: 0.9rem;
  }

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

  .construction-detail-gallery {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 375px) {
  html {
    font-size: 14px;
  }

  .hero-content .catch {
    font-size: 1.7rem;
  }

  .service-card-link {
    grid-template-columns: 1fr 48px;
  }

  .service-card-content {
    width: min(100%, 220px);
  }
}

@media (max-width: 320px) {
  html {
    font-size: 13px;
  }

  .container {
    padding: 0 12px;
  }
}