/* セクションごとの配色と見せ方の調整 */

/* ===== スクロール連動ビデオ（Apple式） ===== */
.scroll-video-section {
  height: 300vh;
  background: var(--color-primary);
}

.scroll-video-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.scroll-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scroll-video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
}

.scroll-video-sticky .container {
  position: relative;
  z-index: 1;
}

/* ===== ヒーロー内テキスト色・出現アニメーション ===== */
.scroll-video-section .hero-content {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s ease, transform 0.9s ease;
  justify-items: center;
}

.scroll-video-section .hero-content.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-video-section .hero-content h1 {
  color: var(--color-white);
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.6);
}

.scroll-video-section .hero-content p {
  color: rgba(255, 255, 255, 0.97);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 600;
  text-shadow: 0 1px 16px rgba(0, 0, 0, 0.9), 0 0 40px rgba(0, 0, 0, 0.5);
  letter-spacing: 0.04em;
  background: rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: inline-block;
  padding: 6px 20px;
  border-radius: 40px;
}

.scroll-video-section .hero-company {
  color: rgba(255, 255, 255, 0.75) !important;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6);
}

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

#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: calc(var(--header-height) + 56px);
  padding-bottom: 96px;
  text-align: center;
  background: var(--color-white);
}

/* scroll-video-section 使用時は #hero の古いスタイルを無効化 */
#hero.scroll-video-section {
  display: block;
  min-height: unset;
  padding: 0;
  background: var(--color-primary);
}

/* scroll-video-section で上書き済みのため個別指定不要 */

#hero .hero-content {
  display: grid;
  gap: 24px;
  width: min(100%, 1100px);
  margin-inline: auto;
}


#hero p {
  color: var(--color-gray);
}

.hero-company {
  font-size: var(--font-size-caption);
  color: var(--color-gray-light);
  letter-spacing: 0.08em;
}

#philosophy {
  background: var(--color-surface);
}

/* philosophyは独立セクションに戻した */

.philosophy-content {
  text-align: center;
}

.philosophy-body {
  width: min(100%, var(--copy-width));
  margin: 32px auto 0;
  padding-left: 32px;
  text-align: left;
  border-left: 3px solid var(--color-accent);
}

#business {
  background: var(--color-white);
}

.business-grid {
  margin-top: 56px;
}

.business-card {
  text-align: center;
}

.business-card svg {
  width: 48px;
  height: 48px;
  margin: 0 auto 24px;
}

.business-card h3 {
  margin-bottom: 16px;
}

.business-card svg path,
.business-card svg circle,
.business-card svg line,
.business-card svg polyline {
  stroke: var(--color-accent);
}

#dxai {
  color: var(--color-white);
  background: var(--color-primary);
}

#dxai .section-intro p {
  color: var(--color-gray-light);
}

.dxai-list {
  display: grid;
  gap: 20px;
  list-style: none;
}

.dxai-list li {
  position: relative;
  padding-left: 24px;
  color: var(--color-gray-lighter);
  border-left: 2px solid transparent;
  transition: border-color 0.3s ease, color 0.3s ease;
}

.dxai-list li:hover {
  border-left-color: var(--color-accent);
  color: var(--color-white);
}

.dxai-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 8px;
  height: 8px;
  content: "";
  background: var(--color-accent);
  border-radius: 50%;
  transform: translateY(-50%);
}

#numbers {
  background: var(--color-white);
}

#numbers .section-intro {
  text-align: center;
}

.numbers-grid {
  margin-top: 56px;
}

#culture {
  background: var(--color-surface);
}

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

#future {
  text-align: center;
  background: var(--color-white);
}

.future-content {
  width: min(100%, 720px);
  margin-inline: auto;
}

#news {
  background: var(--color-surface);
}

.news-list {
  display: grid;
  gap: 0;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-gray-lighter);
}

.news-item time {
  flex-shrink: 0;
  color: var(--color-gray);
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}

.news-item a {
  font-weight: 700;
  color: var(--color-primary);
}

.news-item a:hover,
.news-item a:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

#cta {
  color: var(--color-white);
  text-align: center;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
}

#cta .btn-primary {
  color: var(--color-accent);
  background: var(--color-white);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

#cta .btn-outline {
  color: var(--color-white);
  border-color: var(--color-white);
}

#cta .btn-primary:hover,
#cta .btn-outline:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.site-footer {
  padding-block: 80px;
  color: var(--color-gray-light);
  background: var(--color-primary);
}

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

.footer-brand {
  display: grid;
  gap: 12px;
}

@media (min-width: 1024px) {
  .footer-layout {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
  }
  .footer-brand {
    grid-row: 1 / 3;
  }
}

.footer-brand strong {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-white);
  white-space: nowrap;
}

.footer-logo {
  height: 32px;
  width: auto;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
}

.footer-nav a {
  color: var(--color-gray-light);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}

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

/* ===== お問い合わせページ ===== */

.contact-hero {
  padding-top: calc(var(--header-height) + 80px);
  padding-bottom: 40px;
  text-align: center;
}

.contact-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.contact-lead {
  margin-top: 16px;
  color: var(--color-gray);
}

.contact-form-section {
  padding-bottom: var(--section-padding);
}

.contact-form-wrapper {
  width: min(100%, 640px);
  margin-inline: auto;
}

.form-group {
  margin-bottom: 32px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  font-size: 0.9375rem;
}

.required {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-white);
  background: var(--color-accent);
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 8px;
  vertical-align: middle;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: 1rem;
  font-family: inherit;
  border: 2px solid var(--color-gray-lighter);
  border-radius: 12px;
  background: var(--color-white);
  color: var(--color-primary);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-group input.is-error,
.form-group textarea.is-error {
  border-color: #EF4444;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-gray-light);
}

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

.form-error {
  display: block;
  margin-top: 6px;
  font-size: 0.8125rem;
  color: #EF4444;
  min-height: 1.2em;
}

.form-agreement {
  margin-bottom: 32px;
  padding: 20px 24px;
  background: var(--color-surface);
  border-radius: 12px;
}

.form-agreement p {
  font-size: 0.875rem;
  color: var(--color-gray);
}

.form-submit {
  text-align: center;
}

.btn-submit {
  min-width: 240px;
  font-size: 1rem;
  cursor: pointer;
}

.form-complete {
  text-align: center;
  padding: 80px 0;
}

.form-complete h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.form-complete p {
  color: var(--color-gray);
  margin-bottom: 40px;
  line-height: 2;
}

.contact-info-section {
  padding: var(--section-padding) 0;
  background: var(--color-surface);
}

.contact-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  width: min(100%, 800px);
  margin-inline: auto;
}

.contact-info-card {
  padding: 40px 32px;
  background: var(--color-white);
  border-radius: var(--radius-card);
  text-align: center;
}

.contact-info-card h2 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.contact-info-card p {
  color: var(--color-gray);
  line-height: 1.8;
}

.contact-tel {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.contact-hours {
  font-size: 0.875rem;
  margin-top: 8px;
}