@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700;900&family=Noto+Serif+JP:wght@400;700&display=swap');

:root {
  --primary:       #008ED6;  /* KJKトラックブルー（メインカラー） */
  --primary-dark:  #006CB0;  /* ホバー・濃いめ */
  --primary-deep:  #004E82;  /* ダーク背景・フッター */
  --primary-light: #009AD8;  /* 荷台色・グラデーション */
  --accent:        #008ED6;
  --accent-hover:  #006CB0;
  --text-dark:     #1a1a1a;
  --text-medium:   #4a4a4a;
  --text-light:    #888888;
  --bg-light:      #EAF6FD;  /* 薄青セクション */
  --bg-dark:       #004E82;  /* ダーク背景 */
  --white:         #ffffff;
  --border:        #9DD4EE;
  --section-padding: 100px 0;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
}

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

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

ul {
  list-style: none;
}

/* ===========================
   HEADER / NAVIGATION
=========================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 142, 214, 0.97);
  backdrop-filter: blur(4px);
  transition: box-shadow 0.3s;
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo a {
  display: flex;
  flex-direction: column;
  color: var(--white);
}

.logo-main {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.logo-sub {
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 0.12em;
  opacity: 0.7;
  text-transform: uppercase;
}

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

.nav-menu a {
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  transition: color 0.2s;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.2s;
}

.nav-menu a:hover {
  color: var(--white);
}

.nav-menu a:hover::after {
  transform: scaleX(1);
}

.nav-contact-btn {
  background: var(--accent) !important;
  color: var(--white) !important;
  padding: 10px 20px;
  border-radius: 3px;
  font-weight: 700 !important;
  transition: background 0.2s !important;
}

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

.nav-contact-btn:hover {
  background: var(--accent-hover) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  transition: all 0.3s;
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--primary);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav a {
  color: var(--white);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.1em;
}

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

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #006CB0 0%, #008ED6 50%, #006CB0 100%);
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 40px,
      rgba(255,255,255,0.015) 40px,
      rgba(255,255,255,0.015) 41px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 40px,
      rgba(255,255,255,0.015) 40px,
      rgba(255,255,255,0.015) 41px
    );
}

.hero-accent-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

.hero-content {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 140px 24px 100px;
  width: 100%;
}

.hero-tag {
  display: inline-block;
  color: #7ec8f7;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 28px;
  border-left: 3px solid #7ec8f7;
  padding-left: 12px;
}

.hero-catch {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 32px;
  letter-spacing: 0.02em;
}

.hero-catch em {
  display: block;
  font-style: normal;
  color: #7ec8f7;
}

.hero-sub {
  font-size: clamp(14px, 1.8vw, 18px);
  color: rgba(255,255,255,0.65);
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 56px;
  max-width: 500px;
  line-height: 2;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--white);
  padding: 16px 36px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 3px;
  transition: all 0.25s;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,142,214,0.5);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1.5px solid rgba(255,255,255,0.4);
  color: var(--white);
  padding: 16px 36px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.08em;
  border-radius: 3px;
  transition: all 0.25s;
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.08);
}

.hero-scroll {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.45);
  font-size: 10px;
  letter-spacing: 0.2em;
}

.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

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

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

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

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

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

.section-header.center {
  text-align: center;
}

.section-en {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

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

.section-lead {
  margin-top: 20px;
  font-size: 15px;
  color: var(--text-medium);
  line-height: 2;
  max-width: 640px;
}

.section-lead.white {
  color: rgba(255,255,255,0.7);
  max-width: 100%;
}

/* ===========================
   ABOUT SECTION (TOP PAGE)
=========================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text .section-header {
  margin-bottom: 32px;
}

.about-body {
  font-size: 15px;
  line-height: 2.2;
  color: var(--text-medium);
  margin-bottom: 40px;
}

.about-image {
  position: relative;
}

.about-image-main {
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: 4px;
}

.about-image-placeholder {
  width: 100%;
  height: 460px;
  background: linear-gradient(135deg, #008ED6 0%, #009AD8 100%);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.4);
  gap: 16px;
}

.about-image-placeholder svg {
  width: 64px;
  height: 64px;
  opacity: 0.4;
}

.about-image-placeholder span {
  font-size: 13px;
  letter-spacing: 0.1em;
}

.about-accent-box {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--accent);
  padding: 24px 32px;
  border-radius: 4px;
  color: var(--white);
  text-align: center;
}

.about-accent-box .num {
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
}

.about-accent-box .label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  opacity: 0.9;
  margin-top: 6px;
}

/* ===========================
   SERVICES SECTION
=========================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.3s;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.1);
  border-color: var(--accent);
}

.service-card-img {
  height: 200px;
  background: linear-gradient(135deg, #008ED6, #009AD8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.3);
  font-size: 13px;
  letter-spacing: 0.1em;
  position: relative;
  overflow: hidden;
}

.service-card-img::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.service-card:hover .service-card-img::after {
  transform: scaleX(1);
}

.service-card-body {
  padding: 28px;
}

.service-card-num {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.2em;
  margin-bottom: 10px;
}

.service-card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--primary);
}

.service-card-text {
  font-size: 14px;
  color: var(--text-medium);
  line-height: 2;
}

/* ===========================
   STRENGTH SECTION
=========================== */
.strength-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(255,255,255,0.1);
}

.strength-item {
  background: var(--primary);
  padding: 56px 40px;
  border-top: 4px solid transparent;
  transition: border-color 0.3s;
}

.strength-item:hover {
  border-top-color: var(--accent);
}

.strength-num {
  font-size: 48px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 20px;
  opacity: 0.9;
}

.strength-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.strength-text {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 2;
}

/* ===========================
   WORKS SECTION
=========================== */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.work-card {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: var(--primary);
  aspect-ratio: 4/3;
}

.work-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.work-card-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #008ED6 0%, #009AD8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.25);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.work-card:hover .work-card-img {
  transform: scale(1.07);
}

.work-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,46,68,0.9) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.3s;
}

.work-card:hover .work-card-overlay {
  opacity: 1;
}

.work-card-info {
  color: var(--white);
}

.work-card-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 6px;
}

.work-card-title {
  font-size: 15px;
  font-weight: 700;
}

.works-more {
  text-align: center;
  margin-top: 48px;
}

.btn-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 2px solid var(--primary);
  color: var(--primary);
  padding: 14px 40px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 3px;
  transition: all 0.25s;
}

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

/* ===========================
   RECRUIT BANNER
=========================== */
.recruit-banner {
  background: linear-gradient(135deg, #006CB0 0%, var(--primary) 100%);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.recruit-banner::before {
  content: 'RECRUIT';
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 160px;
  font-weight: 900;
  color: rgba(255,255,255,0.03);
  letter-spacing: 0.1em;
  pointer-events: none;
}

.recruit-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.recruit-banner-text .section-en {
  margin-bottom: 16px;
}

.recruit-banner-title {
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.4;
  margin-bottom: 20px;
}

.recruit-banner-sub {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  line-height: 2;
  max-width: 440px;
}

/* ===========================
   CTA / CONTACT
=========================== */
.cta-section {
  background: var(--accent);
  padding: 80px 0;
  text-align: center;
}

.cta-title {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 12px;
}

.cta-sub {
  font-size: 15px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 40px;
}

.cta-tel {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 8px;
}

.cta-tel-sub {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
}

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  color: var(--accent);
  padding: 16px 48px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 3px;
  transition: all 0.25s;
}

.btn-white:hover {
  background: var(--bg-dark);
  color: var(--white);
  transform: translateY(-2px);
}

/* ===========================
   FOOTER
=========================== */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.6);
  padding: 64px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 48px;
}

.footer-logo {
  color: var(--white);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-address {
  font-size: 13px;
  line-height: 2;
}

.footer-nav-title {
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav-list a {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-nav-list a::before {
  content: '—';
  font-size: 11px;
  color: var(--accent);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}

/* ===========================
   PAGE HERO (inner pages)
=========================== */
.page-hero {
  background: linear-gradient(135deg, #006CB0, var(--primary));
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
}

.page-hero-en {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.page-hero-title {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 900;
  color: var(--white);
}

.breadcrumb {
  margin-top: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: rgba(255,255,255,0.45);
}

.breadcrumb a {
  color: rgba(255,255,255,0.45);
  transition: color 0.2s;
}

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

.breadcrumb-sep {
  opacity: 0.4;
}

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

.company-table tr {
  border-bottom: 1px solid var(--border);
}

.company-table th {
  padding: 24px 32px 24px 0;
  width: 200px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  vertical-align: top;
  white-space: nowrap;
}

.company-table td {
  padding: 24px 0;
  font-size: 15px;
  color: var(--text-medium);
  line-height: 2;
}

/* ===========================
   ABOUT PAGE
=========================== */
.message-section {
  padding: 100px 0;
}

.message-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: start;
}

.message-photo {
  position: sticky;
  top: 100px;
}

.message-photo-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: 4px;
}

.message-photo-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, #008ED6, #009AD8);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.35);
  gap: 12px;
  font-size: 13px;
  letter-spacing: 0.1em;
}

.message-name {
  margin-top: 20px;
  text-align: center;
}

.message-name-title {
  font-size: 12px;
  color: var(--text-light);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.message-name-jp {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

.message-content {
  padding-top: 8px;
}

.message-lead {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 700;
  color: var(--primary);
  line-height: 1.6;
  margin-bottom: 40px;
  border-left: 4px solid var(--accent);
  padding-left: 24px;
}

.message-body {
  font-size: 16px;
  line-height: 2.4;
  color: var(--text-medium);
}

.message-body p + p {
  margin-top: 28px;
}

.message-sign {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  color: var(--text-medium);
  font-size: 14px;
}

.message-sign strong {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  margin-top: 8px;
  font-family: 'Noto Serif JP', serif;
}

/* ===========================
   SERVICES PAGE
=========================== */
.service-detail {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.service-detail-grid.reverse {
  direction: rtl;
}

.service-detail-grid.reverse > * {
  direction: ltr;
}

.service-detail-img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  border-radius: 4px;
}

.service-detail-img-placeholder {
  width: 100%;
  height: 360px;
  background: linear-gradient(135deg, #008ED6, #009AD8);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.25);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.service-detail-num {
  font-size: 72px;
  font-weight: 900;
  color: var(--border);
  line-height: 1;
  margin-bottom: -16px;
}

.service-detail-title {
  font-size: 28px;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 24px;
}

.service-detail-text {
  font-size: 15px;
  color: var(--text-medium);
  line-height: 2.2;
  margin-bottom: 24px;
}

.service-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-tag {
  background: var(--bg-light);
  border: 1px solid var(--border);
  color: var(--text-medium);
  padding: 6px 16px;
  font-size: 13px;
  border-radius: 100px;
}

/* ===========================
   RECRUIT PAGE
=========================== */
.recruit-intro {
  max-width: 720px;
  margin: 0 auto 80px;
  text-align: center;
}

.recruit-intro-text {
  font-size: 16px;
  line-height: 2.4;
  color: var(--text-medium);
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 100px;
}

.culture-card {
  padding: 48px 32px;
  border: 1px solid var(--border);
  border-radius: 4px;
  text-align: center;
  transition: all 0.3s;
}

.culture-card:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}

.culture-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--accent), #f07020);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: white;
  font-size: 28px;
}

.culture-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.culture-text {
  font-size: 14px;
  color: var(--text-medium);
  line-height: 2;
}

.requirements-section {
  background: var(--bg-light);
  padding: 80px 0;
  margin: 0 -24px;
  padding-left: 24px;
  padding-right: 24px;
}

.requirements-card {
  background: var(--white);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 32px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}

.requirements-card:last-child {
  margin-bottom: 0;
}

.requirements-card-head {
  background: var(--primary);
  color: var(--white);
  padding: 24px 40px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.requirements-card-head-tag {
  background: var(--accent);
  color: var(--white);
  padding: 4px 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 100px;
}

.requirements-card-head-title {
  font-size: 20px;
  font-weight: 700;
}

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

.requirements-table tr {
  border-bottom: 1px solid var(--bg-light);
}

.requirements-table th {
  padding: 20px 40px 20px 40px;
  width: 180px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  background: #fafaf8;
  vertical-align: top;
}

.requirements-table td {
  padding: 20px 40px;
  font-size: 15px;
  color: var(--text-medium);
  line-height: 2;
}

/* ===========================
   CONTACT PAGE
=========================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 80px;
}

.contact-info-card {
  background: var(--primary);
  color: var(--white);
  padding: 48px 40px;
  border-radius: 4px;
  height: fit-content;
  position: sticky;
  top: 100px;
}

.contact-info-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.contact-info-item {
  margin-bottom: 28px;
}

.contact-info-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 8px;
}

.contact-info-value {
  font-size: 15px;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
}

.contact-tel-link {
  font-size: 26px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0.05em;
}

.contact-form {
  padding: 8px 0;
}

.form-group {
  margin-bottom: 28px;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.form-required {
  background: var(--accent);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}

.form-optional {
  background: var(--border);
  color: var(--text-medium);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--border);
  border-radius: 4px;
  font-size: 15px;
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text-dark);
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,142,214,0.15);
}

.form-textarea {
  min-height: 180px;
  resize: vertical;
}

.form-submit {
  text-align: center;
  margin-top: 40px;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--accent);
  color: var(--white);
  border: none;
  padding: 18px 64px;
  font-size: 16px;
  font-weight: 700;
  font-family: 'Noto Sans JP', sans-serif;
  letter-spacing: 0.1em;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.25s;
}

.btn-submit:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,142,214,0.45);
}

/* ===========================
   WORKS PAGE
=========================== */
.works-filter {
  display: flex;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  border: 1.5px solid var(--border);
  background: var(--white);
  color: var(--text-medium);
  font-size: 13px;
  font-weight: 700;
  font-family: 'Noto Sans JP', sans-serif;
  letter-spacing: 0.05em;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.works-full-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ===========================
   UTILITIES
=========================== */
.text-accent { color: var(--accent); }
.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }
.mt-60 { margin-top: 60px; }

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 1024px) {
  :root { --section-padding: 80px 0; }

  .about-grid,
  .message-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .services-grid,
  .strength-list,
  .works-grid,
  .culture-grid,
  .works-full-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .message-photo {
    position: static;
    max-width: 300px;
    margin: 0 auto;
  }

  .about-accent-box {
    right: 0;
    bottom: -20px;
  }

  .recruit-banner-inner {
    flex-direction: column;
    text-align: center;
  }

  .recruit-banner-sub {
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  :root { --section-padding: 64px 0; }

  .nav-menu { display: none; }
  .hamburger { display: flex; }

  .hero-content { padding: 120px 24px 100px; }

  .hero-buttons { flex-direction: column; align-items: flex-start; }

  .services-grid,
  .strength-list,
  .works-grid,
  .culture-grid,
  .works-full-grid {
    grid-template-columns: 1fr;
  }

  .service-detail-grid,
  .service-detail-grid.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .footer-inner { grid-template-columns: 1fr; gap: 40px; }

  .company-table th { width: 120px; padding-right: 16px; }

  .requirements-card-head { padding: 20px 24px; }
  .requirements-table th,
  .requirements-table td { padding: 16px 24px; }

  .contact-grid { grid-template-columns: 1fr; }
  .contact-info-card { position: static; }

  .page-hero { padding: 140px 0 60px; }
}

/* ===========================
   FADE-IN 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-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ===========================
   FORM THANK YOU
=========================== */
.form-thankyou {
  display: none;
  text-align: center;
  padding: 64px 32px;
  background: var(--bg-light);
  border-radius: 4px;
  border: 2px solid var(--primary);
}
.form-thankyou.visible {
  display: block;
}
.form-thankyou-icon {
  font-size: 56px;
  margin-bottom: 24px;
}
.form-thankyou-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}
.form-thankyou-text {
  font-size: 15px;
  color: var(--text-medium);
  line-height: 2;
}