/* ============================================================
   index.css — トップページ専用スタイル
   ============================================================ */

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  background: linear-gradient(150deg, #1A1A1A 0%, #2D2D2D 50%, #3A3A3A 100%);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-circle {
  position: absolute;
  border-radius: 50%;
}

.hero-circle-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(249,109,0,0.18) 0%, transparent 70%);
  top: -150px;
  right: -100px;
}

.hero-circle-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(184,227,233,0.1) 0%, transparent 70%);
  bottom: -100px;
  left: -80px;
}

.hero-circle-3 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(249,109,0,0.08) 0%, transparent 70%);
  top: 40%;
  left: 30%;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-top: 3rem;
  padding-bottom: 5rem;
  position: relative;
  z-index: 1;
}

.hero-label {
  display: inline-block;
  background: rgba(249,109,0,0.15);
  color: var(--orange);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  border: 1px solid rgba(249,109,0,0.3);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 1.5rem;
}

.hero-title-accent {
  color: var(--orange);
  position: relative;
}

.hero-desc {
  color: rgba(255,255,255,0.7);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Hero Visual Card */
.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(12px);
  width: 100%;
  max-width: 360px;
}

.hero-card-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.hero-card-item {
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 1.2rem;
  text-align: center;
  border: 1px solid rgba(249,109,0,0.15);
  transition: all var(--transition);
}

.hero-card-item:hover {
  background: rgba(249,109,0,0.1);
  border-color: rgba(249,109,0,0.4);
}

.hero-card-item i {
  display: block;
  font-size: 1.6rem;
  color: var(--orange);
  margin-bottom: 0.6rem;
}

.hero-card-item span {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.4;
  font-weight: 500;
}

.hero-card-tag {
  background: rgba(249,109,0,0.15);
  border: 1px solid rgba(249,109,0,0.3);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: var(--orange);
  font-weight: 600;
  text-align: center;
}

.hero-card-tag i {
  margin-right: 0.4rem;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: rgba(255,255,255,0.4);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-decoration: none;
  transition: color var(--transition);
  animation: bounce 2s infinite;
}

.hero-scroll:hover {
  color: var(--orange);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ---------- About Intro ---------- */
.about-intro {
  background: var(--white) !important;
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-quote {
  border-left: 4px solid var(--orange);
  padding: 1rem 1.5rem;
  background: rgba(249,109,0,0.04);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 1.05rem;
  font-style: italic;
  color: var(--gray-dk);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.about-quote span {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--gray-mid);
  font-style: normal;
}

.about-intro-text p {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--gray-dk);
}

.about-intro-text strong {
  color: var(--orange);
  font-weight: 700;
}

.value-item {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: var(--gray-lt);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  border-left: 3px solid var(--orange);
  transition: box-shadow var(--transition);
}

.value-item:hover {
  box-shadow: var(--shadow-sm);
}

.value-icon {
  width: 44px;
  height: 44px;
  background: rgba(249,109,0,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.value-item h4 {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--orange);
  margin-bottom: 0.3rem;
  font-weight: 700;
}

.value-item p {
  font-size: 0.9rem;
  color: var(--gray-dk);
  line-height: 1.7;
}

/* ---------- Services ---------- */
.services-section {
  background: var(--gray-lt) !important;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--orange);
  border-radius: 4px 0 0 4px;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.service-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(249,109,0,0.12);
  line-height: 1;
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0.8rem 0 0.8rem;
  color: var(--black);
}

.service-card p {
  font-size: 0.9rem;
  line-height: 1.8;
  color: #555;
  margin-bottom: 1rem;
}

.service-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--orange);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--transition);
}

.service-link:hover {
  gap: 0.7rem;
}

/* ---------- Why ---------- */
.why-section {
  background: var(--white) !important;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.why-item {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--gray-lt);
  transition: transform var(--transition), box-shadow var(--transition);
}

.why-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.why-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--orange), var(--orange-lt));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  margin: 0 auto 1.5rem;
  box-shadow: 0 6px 20px rgba(249,109,0,0.25);
}

.why-item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--black);
}

.why-item p {
  font-size: 0.88rem;
  color: #666;
  line-height: 1.8;
}

/* ---------- CTA ---------- */
.cta-section {
  background: linear-gradient(135deg, #1A1A1A 0%, #2D2D2D 100%) !important;
}

.cta-box {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dk) 100%);
  border-radius: var(--radius-lg);
  padding: 4rem 3rem;
  text-align: center;
  box-shadow: 0 12px 40px rgba(249,109,0,0.4);
}

.cta-box h2 {
  color: var(--white);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  margin-bottom: 1rem;
}

.cta-box p {
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  margin-bottom: 2rem;
  line-height: 1.8;
}

/* ---------- News ---------- */
.news-section {
  background: var(--white) !important;
}

.news-list {
  max-width: 800px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.07);
  flex-wrap: wrap;
}

.news-date {
  font-size: 0.85rem;
  color: var(--gray-mid);
  white-space: nowrap;
  font-weight: 500;
}

.news-title {
  color: var(--gray-dk);
  font-size: 0.95rem;
  flex: 1;
  transition: color var(--transition);
}

.news-title:hover {
  color: var(--orange);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-visual {
    display: none;
  }

  .about-intro-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

  .why-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 600px) {
  .cta-box {
    padding: 2.5rem 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }
}