/* =====================================================

   IQG株式会社 トップページ スタイルシート

   カラーパレット:

     ホワイトベース + グリーン（再エネ）+ ネイビー（信頼性）

   ===================================================== */



/* ===== CSS Variables ===== */

:root {

  /* Brand Colors */

  --color-green-dark: #1A6B45;

  --color-green: #2E9B65;

  --color-green-light: #4DB87E;

  --color-green-pale: #E8F5EE;



  --color-navy: #1B3A6B;

  --color-navy-light: #2B5299;

  --color-navy-pale: #EBF0F8;



  /* Neutral */

  --color-white: #FFFFFF;

  --color-bg: #F7F9F7;

  --color-gray-50: #F5F5F5;

  --color-gray-100: #EBEBEB;

  --color-gray-300: #BDBDBD;

  --color-gray-500: #757575;

  --color-gray-700: #424242;

  --color-text: #212121;



  /* Accents */

  --color-accent: #F59E0B;



  /* Typography */

  --font-ja: 'Noto Sans JP', sans-serif;

  --font-en: 'Inter', sans-serif;



  /* Layout */

  --container-w: 1200px;

  --header-h: 72px;



  /* Transitions */

  --ease: cubic-bezier(0.4, 0, 0.2, 1);

  --transition: 0.3s var(--ease);

}



/* ===== Reset & Base ===== */

*,

*::before,

*::after {

  box-sizing: border-box;

  margin: 0;

  padding: 0;

}



html {

  font-size: 17px;

  scroll-behavior: smooth;

  -webkit-font-smoothing: antialiased;

}



body {

  font-family: var(--font-ja);

  color: var(--color-text);

  background: var(--color-white);

  line-height: 1.7;

  overflow-x: hidden;

}



img {

  display: block;

  max-width: 100%;

  height: auto;

}



a {

  color: inherit;

  text-decoration: none;

}



ul,

ol {

  list-style: none;

}



address {

  font-style: normal;

}



button {

  cursor: pointer;

  border: none;

  background: none;

}



/* ===== Container ===== */

.container {

  max-width: var(--container-w);

  margin: 0 auto;

  padding: 0 24px;

}



/* ===== Section Common ===== */

.section {

  padding: 80px 0;

}



.section-header {

  text-align: center;

  margin-bottom: 56px;

}



.section-eyebrow {

  font-family: var(--font-en);

  font-size: 15px;

  font-weight: 600;

  letter-spacing: 0.15em;

  text-transform: uppercase;

  color: var(--color-green);

  margin-bottom: 10px;

}



.section-title {

  font-size: clamp(26px, 3vw, 36px);

  font-weight: 700;

  color: var(--color-navy);

  line-height: 1.4;

  margin-bottom: 16px;

}



.section-lead {

  font-size: 17px;

  color: var(--color-gray-500);

  line-height: 1.8;

}



.section-footer {

  text-align: center;

  margin-top: 48px;

}



/* ===== Buttons ===== */

.btn {

  display: inline-flex;

  align-items: center;

  justify-content: center;

  gap: 8px;

  padding: 14px 28px;

  border-radius: 4px;

  font-size: 16px;

  font-weight: 700;

  font-family: var(--font-ja);

  transition: var(--transition);

  white-space: nowrap;

  cursor: pointer;

  border: 2px solid transparent;

}



.btn-primary {

  background: var(--color-green);

  color: var(--color-white);

  border-color: var(--color-green);

}



.btn-primary:hover {

  background: var(--color-green-dark);

  border-color: var(--color-green-dark);

}



.btn-primary-green {

  background: var(--color-green);

  color: var(--color-white);

  border-color: var(--color-green);

}



.btn-primary-green:hover {

  background: var(--color-green-dark);

  border-color: var(--color-green-dark);

  transform: translateY(-1px);

}



.btn-outline-white {

  background: transparent;

  color: var(--color-white);

  border-color: rgba(255, 255, 255, 0.7);

}



.btn-outline-white:hover {

  background: rgba(255, 255, 255, 0.15);

  border-color: var(--color-white);

}



.btn-outline-green {

  background: transparent;

  color: var(--color-green);

  border-color: var(--color-green);

}



.btn-outline-green:hover {

  background: var(--color-green);

  color: var(--color-white);

}



.btn-contact {

  background: var(--color-green);

  color: var(--color-white);

  padding: 10px 20px;

  border-radius: 4px;

  font-size: 15px;

  font-weight: 700;

}



.btn-contact:hover {

  background: var(--color-green-dark);

}



.btn-white-green {

  background: var(--color-white);

  color: var(--color-green);

  border-color: var(--color-white);

  font-size: 17px;

  padding: 16px 36px;

}



.btn-white-green:hover {

  background: var(--color-green-pale);

}



.btn-tel {

  background: transparent;

  color: var(--color-white);

  border-color: rgba(255, 255, 255, 0.5);

  flex-direction: column;

  align-items: flex-start;

  padding: 12px 24px;

  font-size: 22px;

  font-weight: 700;

  font-family: var(--font-en);

  gap: 2px;

  line-height: 1;

}



.btn-tel:hover {

  background: rgba(255, 255, 255, 0.1);

}



.btn-tel small {

  font-size: 12px;

  font-weight: 400;

  font-family: var(--font-ja);

  opacity: 0.8;

  display: block;

}



.tel-icon {

  font-size: 17px;

}



.btn-sm {

  padding: 8px 18px;

  font-size: 15px;

}





/* ============================================================

   HEADER

   ============================================================ */

.site-header {

  position: fixed;

  top: 0;

  left: 0;

  right: 0;

  z-index: 1000;

  background: rgba(255, 255, 255, 0.97);

  backdrop-filter: blur(8px);

  -webkit-backdrop-filter: blur(8px);

  border-bottom: 1px solid var(--color-gray-100);

  transition: box-shadow var(--transition);

  height: var(--header-h);

}



.site-header.scrolled {

  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.08);

}



.header-spacer {

  height: var(--header-h);

}



.header-inner {

  max-width: var(--container-w);

  margin: 0 auto;

  padding: 0 24px;

  height: 100%;

  display: flex;

  align-items: center;

  gap: 24px;

}



/* Logo */

.header-logo {

  flex-shrink: 0;

}



.logo-link {

  display: flex;

  align-items: center;

  gap: 8px;

  text-decoration: none;

}



.logo-mark {

  font-family: var(--font-en);

  font-size: 28px;

  font-weight: 700;

  letter-spacing: -0.02em;

  line-height: 1;

}



.logo-iq {

  color: #002060;

}



.logo-g {

  color: #00ff01;

}



.logo-text {

  font-size: 15px;

  font-weight: 500;

  color: var(--color-navy);

  letter-spacing: 0.05em;

}



/* Global Nav */

.global-nav {

  flex: 1;

  display: flex;

  justify-content: center;

}



.nav-list {

  display: flex;

  align-items: center;

  gap: 4px;

}



.nav-item {

  position: relative;

}



.nav-link {

  display: flex;

  align-items: center;

  gap: 4px;

  padding: 8px 12px;

  font-size: 15px;

  font-weight: 500;

  color: var(--color-navy);

  border-radius: 4px;

  transition: var(--transition);

  white-space: nowrap;

}



.nav-link:hover,

.nav-item:hover .nav-link {

  color: var(--color-green);

  background: var(--color-green-pale);

}



.nav-arrow {

  font-size: 12px;

  opacity: 0.6;

  transition: transform var(--transition);

}



.nav-item:hover .nav-arrow {

  transform: rotate(180deg);

}



/* Dropdown */

.dropdown-menu {

  position: absolute;

  top: calc(100% + 4px);

  left: 0;

  background: var(--color-white);

  border: 1px solid var(--color-gray-100);

  border-radius: 8px;

  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);

  min-width: 200px;

  padding: 8px 0;

  opacity: 0;

  visibility: hidden;

  transform: translateY(-8px);

  transition: var(--transition);

  z-index: 100;

}



.nav-item:hover .dropdown-menu {

  opacity: 1;

  visibility: visible;

  transform: translateY(0);

}



.dropdown-menu li a {

  display: block;

  padding: 10px 20px;

  font-size: 15px;

  color: var(--color-gray-700);

  transition: var(--transition);

}



.dropdown-menu li a:hover {

  background: var(--color-green-pale);

  color: var(--color-green);

  padding-left: 28px;

}



/* Header CTA */

.header-cta {

  flex-shrink: 0;

}



/* Hamburger (mobile) */

.hamburger {

  display: none;

  flex-direction: column;

  gap: 5px;

  padding: 6px;

  flex-shrink: 0;

}



.hamburger span {

  display: block;

  width: 24px;

  height: 2px;

  background: var(--color-navy);

  border-radius: 2px;

  transition: var(--transition);

}





/* ============================================================

   HERO / FIRST VIEW

   ============================================================ */

.hero {

  position: relative;

  height: calc(100vh - var(--header-h));

  min-height: 560px;

  max-height: 900px;

  overflow: hidden;

}



.hero-slider {

  position: relative;

  width: 100%;

  height: 100%;

}



.hero-slide {

  position: absolute;

  inset: 0;

  opacity: 0;

  transition: opacity 0.9s var(--ease);

  pointer-events: none;

}



.hero-slide.active {

  opacity: 1;

  pointer-events: auto;

}



.hero-bg {

  position: absolute;

  inset: 0;

  background-size: cover;

  background-position: center;

  background-repeat: no-repeat;

  /* Fallback gradient for demo without actual images */

  background-color: var(--color-navy);

  transform: scale(1.05);

  transition: transform 7s ease;

}



.hero-slide.active .hero-bg {

  transform: scale(1);

}



/* Slide-specific color gradients (for when images are missing) */

.hero-slide[data-slide="0"] .hero-bg {

  background-color: #1A4A30;

}



.hero-slide[data-slide="1"] .hero-bg {

  background-color: #1B3A6B;

}



.hero-slide[data-slide="2"] .hero-bg {

  background-color: #2D3748;

}



.hero-overlay {

  position: absolute;

  inset: 0;

  background: linear-gradient(105deg,

      rgba(10, 30, 20, 0.75) 0%,

      rgba(10, 30, 20, 0.40) 60%,

      transparent 100%);

}



.hero-content {

  position: relative;

  z-index: 2;

  padding: 0 60px;

  height: 100%;

  display: flex;

  flex-direction: column;

  justify-content: center;

  max-width: 740px;

}



.hero-eyebrow {

  font-family: var(--font-en);

  font-size: 15px;

  font-weight: 600;

  letter-spacing: 0.2em;

  text-transform: uppercase;

  color: var(--color-green-light);

  margin-bottom: 16px;

  opacity: 0;

  transform: translateY(20px);

  transition: opacity 0.6s 0.2s var(--ease), transform 0.6s 0.2s var(--ease);

}



.hero-title {

  font-size: clamp(32px, 5vw, 58px);

  font-weight: 700;

  color: var(--color-white);

  line-height: 1.3;

  margin-bottom: 20px;

  opacity: 0;

  transform: translateY(20px);

  transition: opacity 0.6s 0.35s var(--ease), transform 0.6s 0.35s var(--ease);

}



.hero-desc {

  font-size: clamp(14px, 1.4vw, 17px);

  color: rgba(255, 255, 255, 0.85);

  line-height: 1.9;

  margin-bottom: 32px;

  opacity: 0;

  transform: translateY(20px);

  transition: opacity 0.6s 0.5s var(--ease), transform 0.6s 0.5s var(--ease);

}



.hero-btns {

  display: flex;

  gap: 16px;

  flex-wrap: wrap;

  opacity: 0;

  transform: translateY(20px);

  transition: opacity 0.6s 0.65s var(--ease), transform 0.6s 0.65s var(--ease);

}



.hero-slide.active .hero-eyebrow,

.hero-slide.active .hero-title,

.hero-slide.active .hero-desc,

.hero-slide.active .hero-btns {

  opacity: 1;

  transform: translateY(0);

}



/* Slider Controls */

.hero-controls {

  position: absolute;

  bottom: 100px;

  left: 60px;

  z-index: 10;

  display: flex;

  align-items: center;

  gap: 16px;

}



.hero-prev,

.hero-next {

  width: 44px;

  height: 44px;

  border-radius: 50%;

  background: rgba(255, 255, 255, 0.2);

  border: 1px solid rgba(255, 255, 255, 0.4);

  color: var(--color-white);

  font-size: 24px;

  display: flex;

  align-items: center;

  justify-content: center;

  transition: var(--transition);

  backdrop-filter: blur(4px);

}



.hero-prev:hover,

.hero-next:hover {

  background: rgba(255, 255, 255, 0.35);

}



.hero-dots {

  display: flex;

  gap: 8px;

}



.hero-dot {

  width: 8px;

  height: 8px;

  border-radius: 50%;

  background: rgba(255, 255, 255, 0.4);

  border: none;

  cursor: pointer;

  transition: var(--transition);

}



.hero-dot.active {

  background: var(--color-green-light);

  width: 28px;

  border-radius: 4px;

}



/* Quick Links Bar */

.hero-quicklinks {

  position: absolute;

  bottom: 0;

  left: 0;

  right: 0;

  z-index: 10;

  background: rgba(255, 255, 255, 0.96);

  backdrop-filter: blur(8px);

  border-top: 1px solid var(--color-gray-100);

}



.quicklinks-inner {

  max-width: var(--container-w);

  margin: 0 auto;

  padding: 0 24px;

  display: flex;

  align-items: center;

  height: 64px;

  gap: 0;

}



.quicklinks-label {

  font-size: 13px;

  font-weight: 600;

  color: var(--color-gray-500);

  white-space: nowrap;

  padding-right: 20px;

  border-right: 1px solid var(--color-gray-100);

  margin-right: 16px;

  letter-spacing: 0.05em;

}



.quicklink-item {

  display: flex;

  align-items: center;

  gap: 6px;

  padding: 8px 20px;

  font-size: 15px;

  font-weight: 600;

  color: var(--color-navy);

  border-right: 1px solid var(--color-gray-100);

  transition: var(--transition);

  white-space: nowrap;

  height: 100%;

}



.quicklink-item:hover {

  background: var(--color-green-pale);

  color: var(--color-green);

}



.quicklink-icon {

  font-size: 17px;

}





/* ============================================================

   NUMBERS

   ============================================================ */

.section-strengths {

  background: var(--color-navy);

  padding: 0;

  position: relative;

  overflow: hidden;

}



.section-strengths::before {

  content: '';

  position: absolute;

  inset: 0;

  background:

    radial-gradient(ellipse 80% 120% at 20% 50%, rgba(77, 184, 126, 0.08) 0%, transparent 60%),

    radial-gradient(ellipse 60% 100% at 80% 50%, rgba(43, 82, 153, 0.12) 0%, transparent 60%);

  pointer-events: none;

}



.strengths-grid {

  display: grid;

  grid-template-columns: repeat(4, 1fr);

  gap: 0;

  position: relative;

}



.strength-item {

  display: flex;

  flex-direction: column;

  align-items: center;

  justify-content: center;

  padding: 48px 28px 44px;

  text-align: center;

  gap: 0;

  position: relative;

  transition: all 0.4s var(--ease);

}



.strength-item::after {

  content: '';

  position: absolute;

  top: 20%;

  right: 0;

  height: 60%;

  width: 1px;

  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.15), transparent);

}



.strength-item:last-child::after {

  display: none;

}



.strength-item:hover {

  background: rgba(255, 255, 255, 0.04);

}



.strength-item:hover .strength-keyword {

  color: var(--color-green-light);

}



.strength-item:hover .strength-divider {

  width: 40px;

  background: var(--color-green-light);

}



.strength-num {

  font-family: var(--font-en);

  font-size: 12px;

  font-weight: 600;

  color: var(--color-green-light);

  letter-spacing: 0.15em;

  opacity: 0.7;

  margin-bottom: 14px;

}



.strength-keyword {

  font-family: var(--font-en);

  font-size: 26px;

  font-weight: 700;

  line-height: 1.2;

  color: var(--color-white);

  letter-spacing: -0.01em;

  transition: color 0.4s var(--ease);

}



.strength-divider {

  display: block;

  width: 24px;

  height: 2px;

  background: rgba(255, 255, 255, 0.25);

  margin: 16px auto;

  border-radius: 1px;

  transition: all 0.4s var(--ease);

}



.strength-label {

  font-size: 15px;

  color: rgba(255, 255, 255, 0.7);

  letter-spacing: 0.04em;

  line-height: 1.7;

}





/* ============================================================

   ABOUT US

   ============================================================ */

.section-about {

  background: var(--color-white);

}



.about-inner {

  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 60px;

  align-items: center;

}



.about-text .section-eyebrow {

  text-align: left;

}



.about-text .section-title {

  text-align: left;

}



.about-message {

  font-size: clamp(18px, 2vw, 22px);

  color: var(--color-gray-700);

  line-height: 2.2;

  margin-bottom: 40px;

}



.about-cta {

  text-align: left;

}



.about-image {

  border-radius: 12px;

  overflow: hidden;

}



.about-image img {

  width: 100%;

  height: 100%;

  object-fit: cover;

  border-radius: 12px;

}





/* ============================================================

   BUSINESS CARDS

   ============================================================ */

.section-business {

  background: var(--color-bg);

}



.business-cards {

  display: grid;

  grid-template-columns: repeat(4, 1fr);

  gap: 24px;

}



.business-card {

  display: flex;

  flex-direction: column;

  background: var(--color-white);

  border-radius: 12px;

  padding: 36px 28px;

  border: 1px solid var(--color-gray-100);

  transition: var(--transition);

  text-decoration: none;

  color: inherit;

  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);

}



.business-card:hover {

  transform: translateY(-6px);

  box-shadow: 0 16px 40px rgba(30, 107, 69, 0.15);

  border-color: var(--color-green-light);

}



.business-card-icon {

  width: 64px;

  height: 64px;

  color: var(--color-green);

  margin-bottom: 24px;

}



.business-card-title {

  font-size: 18px;

  font-weight: 700;

  color: var(--color-navy);

  margin-bottom: 12px;

  line-height: 1.4;

}



.business-card-text {

  font-size: 15px;

  color: var(--color-gray-500);

  line-height: 1.8;

  flex: 1;

  margin-bottom: 24px;

}



.business-card-link {

  font-size: 15px;

  font-weight: 700;

  color: var(--color-green);

  display: flex;

  align-items: center;

  gap: 6px;

}



.arrow {

  transition: transform var(--transition);

}



.business-card:hover .arrow {

  transform: translateX(4px);

}





/* ============================================================

   SERVICE HIGHLIGHT

   ============================================================ */

.section-service-highlight {

  background: var(--color-white);

}



.service-highlight-inner {

  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 80px;

  align-items: center;

}



.service-highlight-text .section-eyebrow {

  text-align: left;

}



.service-highlight-text .section-title {

  text-align: left;

  margin-bottom: 24px;

}



.service-highlight-desc {

  font-size: 16px;

  color: var(--color-gray-500);

  line-height: 1.9;

  margin-bottom: 28px;

}



.service-highlight-list {

  margin-bottom: 36px;

}



.service-highlight-list li {

  display: flex;

  align-items: center;

  gap: 10px;

  padding: 10px 0;

  border-bottom: 1px solid var(--color-gray-100);

  font-size: 16px;

  font-weight: 500;

  color: var(--color-navy);

}



.service-highlight-list li:first-child {

  border-top: 1px solid var(--color-gray-100);

}



.check-icon {

  color: var(--color-green);

  font-weight: 700;

  font-size: 17px;

}



/* Flow */

.service-flow {

  background: var(--color-bg);

  border-radius: 16px;

  padding: 40px;

  border: 1px solid var(--color-gray-100);

}



.flow-item {

  display: flex;

  gap: 20px;

  align-items: flex-start;

}



.flow-num {

  font-family: var(--font-en);

  font-size: 15px;

  font-weight: 700;

  color: var(--color-white);

  background: var(--color-green);

  width: 36px;

  height: 36px;

  border-radius: 50%;

  display: flex;

  align-items: center;

  justify-content: center;

  flex-shrink: 0;

}



.flow-content h4 {

  font-size: 16px;

  font-weight: 700;

  color: var(--color-navy);

  margin-bottom: 4px;

}



.flow-content p {

  font-size: 15px;

  color: var(--color-gray-500);

  line-height: 1.7;

}



.flow-arrow {

  text-align: center;

  padding: 6px 0 6px 18px;

  color: var(--color-green-light);

  font-size: 20px;

}





/* ============================================================

   WORKS

   ============================================================ */

.section-works {

  background: var(--color-bg);

}



.works-grid {

  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 28px;

}



.work-card {

  background: var(--color-white);

  border-radius: 12px;

  overflow: hidden;

  border: 1px solid var(--color-gray-100);

  transition: var(--transition);

  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);

}



.work-card:hover {

  transform: translateY(-4px);

  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);

}



.work-card-img {

  position: relative;

  height: 200px;

  background: linear-gradient(135deg, var(--color-green-pale) 0%, var(--color-navy-pale) 100%);

  overflow: hidden;

}



.work-card-img img {

  width: 100%;

  height: 100%;

  object-fit: cover;

}



.work-card-img.img-error::after {

  content: '';

  position: absolute;

  inset: 0;

  background: linear-gradient(135deg, #2E9B65 0%, #1B3A6B 100%);

  opacity: 0.2;

}



.work-card-tag {

  position: absolute;

  top: 16px;

  left: 16px;

  background: var(--color-green);

  color: var(--color-white);

  font-size: 13px;

  font-weight: 700;

  padding: 4px 10px;

  border-radius: 4px;

}



.work-card-body {

  padding: 24px;

}



.work-card-title {

  font-size: 17px;

  font-weight: 700;

  color: var(--color-navy);

  margin-bottom: 16px;

  line-height: 1.5;

}



.work-card-specs {

  display: flex;

  flex-direction: column;

  gap: 8px;

}



.work-card-specs li {

  display: flex;

  gap: 12px;

  font-size: 15px;

  color: var(--color-gray-500);

}



.work-card-specs li span {

  font-weight: 700;

  color: var(--color-navy);

  min-width: 36px;

}





/* ============================================================

   NEWS + SEMINAR

   ============================================================ */

.section-news-seminar {

  background: var(--color-white);

}



.news-seminar-grid {

  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 60px;

}



.block-header {

  display: flex;

  justify-content: space-between;

  align-items: flex-end;

  margin-bottom: 28px;

  border-bottom: 2px solid var(--color-green);

  padding-bottom: 16px;

}



.block-header-text .section-eyebrow {

  margin-bottom: 4px;

}



.block-title {

  font-size: 20px;

  font-weight: 700;

  color: var(--color-navy);

}



.block-more {

  font-size: 15px;

  font-weight: 700;

  color: var(--color-green);

  transition: var(--transition);

  white-space: nowrap;

  padding-bottom: 4px;

}



.block-more:hover {

  color: var(--color-green-dark);

}



/* News List */

.news-list {

  display: flex;

  flex-direction: column;

}



.news-item {

  border-bottom: 1px solid var(--color-gray-100);

}



.news-link {

  display: grid;

  grid-template-columns: auto auto 1fr;

  align-items: center;

  gap: 12px;

  padding: 16px 0;

  transition: background var(--transition);

}



.news-link:hover {

  background: var(--color-green-pale);

  margin: 0 -12px;

  padding: 16px 12px;

  border-radius: 6px;

}



.news-date {

  font-family: var(--font-en);

  font-size: 15px;

  color: var(--color-gray-500);

  white-space: nowrap;

}



.news-cat {

  font-size: 12px;

  font-weight: 700;

  padding: 3px 8px;

  border-radius: 3px;

  white-space: nowrap;

}



.cat-info {

  background: var(--color-navy-pale);

  color: var(--color-navy);

}



.cat-press {

  background: var(--color-green-pale);

  color: var(--color-green-dark);

}



.cat-media {

  background: #FEF3C7;

  color: #92400E;

}



.news-title {

  font-size: 15px;

  color: var(--color-text);

  line-height: 1.6;

}



/* Seminar Cards */

.seminar-list {

  display: flex;

  flex-direction: column;

  gap: 16px;

}



.seminar-card {

  display: flex;

  gap: 20px;

  padding: 20px;

  border: 1px solid var(--color-gray-100);

  border-radius: 10px;

  transition: var(--transition);

  background: var(--color-bg);

}



.seminar-card:hover {

  border-color: var(--color-green-light);

  box-shadow: 0 4px 16px rgba(46, 155, 101, 0.1);

}



.seminar-date-block {

  display: flex;

  flex-direction: column;

  align-items: center;

  background: var(--color-navy);

  color: var(--color-white);

  border-radius: 8px;

  padding: 12px 16px;

  min-width: 64px;

  flex-shrink: 0;

}



.seminar-month {

  font-family: var(--font-en);

  font-size: 12px;

  font-weight: 600;

  text-transform: uppercase;

  opacity: 0.7;

}



.seminar-day {

  font-family: var(--font-en);

  font-size: 28px;

  font-weight: 700;

  line-height: 1.1;

}



.seminar-year {

  font-family: var(--font-en);

  font-size: 12px;

  opacity: 0.6;

}



.seminar-info {

  flex: 1;

  display: flex;

  flex-direction: column;

  gap: 8px;

}



.seminar-tag {

  display: inline-block;

  font-size: 12px;

  font-weight: 700;

  padding: 3px 8px;

  border-radius: 3px;

  width: fit-content;

}



.tag-online {

  background: var(--color-green-pale);

  color: var(--color-green-dark);

}



.tag-offline {

  background: #EBF0F8;

  color: var(--color-navy);

}



.seminar-title {

  font-size: 15px;

  font-weight: 700;

  color: var(--color-navy);

  line-height: 1.5;

}



.seminar-meta {

  font-size: 13px;

  color: var(--color-gray-500);

}





/* ============================================================

   CTA BANNER

   ============================================================ */

.section-cta {

  background: linear-gradient(135deg, var(--color-green-dark) 0%, var(--color-navy) 100%);

  padding: 80px 0;

}



.cta-inner {

  display: flex;

  align-items: center;

  justify-content: space-between;

  gap: 48px;

}



.cta-title {

  font-size: clamp(22px, 2.5vw, 30px);

  font-weight: 700;

  color: var(--color-white);

  line-height: 1.5;

  margin-bottom: 8px;

}



.cta-desc {

  font-size: 16px;

  color: rgba(255, 255, 255, 0.75);

}



.cta-btns {

  display: flex;

  gap: 20px;

  flex-shrink: 0;

  flex-wrap: wrap;

}





/* ============================================================

   FOOTER

   ============================================================ */

.site-footer {

  background: var(--color-text);

  color: var(--color-white);

}



.footer-main {

  padding: 72px 0 48px;

}



.footer-grid {

  display: grid;

  grid-template-columns: 280px 1fr;

  gap: 80px;

}



.footer-logo {

  display: flex;

  align-items: center;

  gap: 8px;

  margin-bottom: 16px;

}



.footer-logo .logo-mark {

  color: var(--color-green-light);

}



.footer-logo .logo-text {

  color: rgba(255, 255, 255, 0.8);

}



.footer-tagline {

  font-size: 15px;

  color: rgba(255, 255, 255, 0.55);

  line-height: 1.8;

  margin-bottom: 20px;

}



.footer-address {

  font-size: 15px;

  color: rgba(255, 255, 255, 0.45);

  line-height: 1.8;

}



.footer-nav {

  display: grid;

  grid-template-columns: repeat(4, 1fr);

  gap: 32px;

}



.footer-nav-head {

  font-size: 15px;

  font-weight: 700;

  color: rgba(255, 255, 255, 0.9);

  margin-bottom: 16px;

  padding-bottom: 8px;

  border-bottom: 1px solid rgba(255, 255, 255, 0.1);

}



.footer-nav-col ul {

  display: flex;

  flex-direction: column;

  gap: 10px;

}



.footer-nav-col ul li a {

  font-size: 15px;

  color: rgba(255, 255, 255, 0.5);

  transition: color var(--transition);

}



.footer-nav-col ul li a:hover {

  color: var(--color-green-light);

}



.footer-bottom {

  border-top: 1px solid rgba(255, 255, 255, 0.08);

  padding: 20px 0;

}



.footer-bottom-inner {

  display: flex;

  justify-content: space-between;

  align-items: center;

  gap: 24px;

}



.copyright {

  font-size: 13px;

  color: rgba(255, 255, 255, 0.35);

}



.footer-legal {

  display: flex;

  gap: 24px;

}



.footer-legal a {

  font-size: 13px;

  color: rgba(255, 255, 255, 0.35);

  transition: color var(--transition);

}



.footer-legal a:hover {

  color: var(--color-white);

}





/* ============================================================

   RESPONSIVE

   ============================================================ */

@media (max-width: 1024px) {

  .business-cards {

    grid-template-columns: repeat(2, 1fr);

  }



  .about-inner {

    grid-template-columns: 1fr;

    gap: 40px;

  }



  .about-text .section-eyebrow,

  .about-text .section-title {

    text-align: center;

  }



  .about-message {

    text-align: center;

  }



  .about-cta {

    text-align: center;

  }



  .service-highlight-inner {

    grid-template-columns: 1fr;

    gap: 48px;

  }



  .news-seminar-grid {

    grid-template-columns: 1fr;

    gap: 48px;

  }



  .footer-grid {

    grid-template-columns: 1fr;

    gap: 48px;

  }

}



@media (max-width: 768px) {

  :root {

    --header-h: 60px;

  }



  .section {

    padding: 56px 0;

  }



  /* Header */

  .global-nav,

  .header-cta {

    display: none;

  }



  .hamburger {

    display: flex;

  }



  .global-nav.open {

    display: flex;

    position: fixed;

    top: var(--header-h);

    left: 0;

    right: 0;

    bottom: 0;

    background: var(--color-white);

    flex-direction: column;

    padding: 24px;

    overflow-y: auto;

  }



  .global-nav.open .nav-list {

    flex-direction: column;

    align-items: flex-start;

    gap: 0;

    width: 100%;

  }



  .global-nav.open .nav-item {

    width: 100%;

    border-bottom: 1px solid var(--color-gray-100);

  }



  .global-nav.open .nav-link {

    padding: 16px 8px;

    font-size: 17px;

    width: 100%;

  }



  .global-nav.open .dropdown-menu {

    position: static;

    opacity: 1;

    visibility: visible;

    transform: none;

    box-shadow: none;

    border: none;

    padding: 0 0 8px 16px;

  }



  /* Hero */

  .hero-content {

    padding: 0 24px;

  }



  .hero-controls {

    left: 24px;

    bottom: 80px;

  }



  .hero-quicklinks {

    display: none;

  }



  /* Strengths */

  .strengths-grid {

    grid-template-columns: repeat(2, 1fr);

  }



  .strength-item::after {

    display: none;

  }



  .strength-item {

    padding: 36px 24px 32px;

    border-bottom: 1px solid rgba(255, 255, 255, 0.08);

  }



  .strength-item:nth-child(odd) {

    border-right: 1px solid rgba(255, 255, 255, 0.08);

  }



  .strength-item:nth-child(n+3) {

    border-bottom: none;

  }



  /* Business */

  .business-cards {

    grid-template-columns: 1fr;

  }



  /* Works */

  .works-grid {

    grid-template-columns: 1fr;

  }



  /* CTA */

  .cta-inner {

    flex-direction: column;

    text-align: center;

  }



  .cta-btns {

    justify-content: center;

  }



  /* Footer */

  .footer-nav {

    grid-template-columns: repeat(2, 1fr);

  }



  .footer-bottom-inner {

    flex-direction: column;

    text-align: center;

    gap: 12px;

  }

}



@media (max-width: 480px) {

  .strengths-grid {

    grid-template-columns: 1fr 1fr;

  }



  .strength-keyword {

    font-size: 22px;

  }



  .strength-item {

    padding: 28px 16px 24px;

  }



  .footer-nav {

    grid-template-columns: 1fr 1fr;

  }



  .hero-title {

    font-size: 28px;

  }



  .hero-btns {

    flex-direction: column;

  }



  .hero-btns .btn {

    width: 100%;

    text-align: center;

  }

}
.footer-logo .logo-iq{color:#fff;}
.footer-logo .logo-g{color:#00ff01;}

/* ===== モバイルナビ修正 (2026-07-01) =====
   .site-header の backdrop-filter が fixed の包含ブロックを作りドロワーが全画面高にならず1項目しか
   見えない問題を明示 height で修正。横オーバーフロー対策＋ハンバーガー右寄せ＋ドロップダウン展開。 */
@media (max-width: 768px) {
  body { overflow-x: hidden; }
  .header-inner { max-width: 100%; }
  .hamburger { margin-left: auto; }
  .global-nav.open {
    height: calc(100vh - var(--header-h));
    height: calc(100dvh - var(--header-h));
    bottom: auto;
    justify-content: flex-start;
  }
  .global-nav.open .dropdown-menu {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
  }
}