/* ============================================
   Acqua Preview Enhancements
   ローカルプレビュー用のデザイン強化CSS
   ============================================ */

/* === Hero Badge === */
.hero__badge-wrap {
  margin-bottom: var(--space-lg);
}

.hero__kv-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5rem 1.25rem;
  background: rgba(46, 124, 246, 0.08);
  border: 1px solid rgba(46, 124, 246, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent-start);
  letter-spacing: var(--letter-spacing-base);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.6s ease 0.3s forwards;
}

/* === Hero Grid Background === */
.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 124, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 124, 246, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 70% 40%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 70% 40%, black 30%, transparent 70%);
  z-index: 0;
}

/* === Trust Icons === */
.hero__trust-icons {
  display: flex;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 1.8s forwards;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

.trust-item__icon {
  font-size: var(--font-size-lg);
}

/* === Service Card SVG Icons === */
.service-card__icon img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  transition: transform var(--transition-base);
}

.service-card:hover .service-card__icon img {
  transform: scale(1.1) rotate(-3deg);
}

/* === Workflow Section === */
.workflow__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  position: relative;
}

/* Connecting line between steps */
.workflow__steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(12.5% + 24px);
  right: calc(12.5% + 24px);
  height: 2px;
  background: linear-gradient(90deg,
    rgba(46, 124, 246, 0.3),
    rgba(0, 212, 170, 0.3)
  );
}

.workflow__step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.workflow__step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 2px solid rgba(255, 255, 255, 0.15);
  font-family: var(--font-family-en);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-black);
  color: var(--color-accent-end);
  margin-bottom: var(--space-lg);
  transition: all var(--transition-base);
  backdrop-filter: blur(8px);
}

.workflow__step:hover .workflow__step-number {
  background: rgba(0, 212, 170, 0.1);
  border-color: var(--color-accent-end);
  transform: scale(1.08);
}

.workflow__step-content {
  padding-inline: var(--space-sm);
}

.workflow__step-title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: #fff;
  margin-bottom: var(--space-sm);
}

.workflow__step-desc {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: var(--line-height-base);
}

/* === Enhanced Problem Cards === */
.problem-card {
  position: relative;
  overflow: hidden;
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.05), transparent);
  border-radius: 0 var(--radius-lg) 0 60px;
}

/* === Enhanced Reason Cards === */
.reason-card {
  position: relative;
}

.reason-card__number {
  position: relative;
}

.reason-card__number::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--color-accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
  filter: blur(12px);
}

.reason-card:hover .reason-card__number::after {
  opacity: 0.3;
}

/* === Enhanced Testimonial Cards === */
.testimonial-card {
  position: relative;
  overflow: hidden;
}

.testimonial-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

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

/* === Enhanced Guarantee Cards === */
.guarantee-card {
  position: relative;
  overflow: hidden;
}

.guarantee-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(
    from 0deg,
    transparent 0deg 340deg,
    rgba(46, 124, 246, 0.08) 340deg 360deg
  );
  animation: rotateGlow 8s linear infinite;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.guarantee-card:hover::before {
  opacity: 1;
}

@keyframes rotateGlow {
  to { transform: rotate(360deg); }
}

/* === Smooth section transitions === */
.section {
  position: relative;
}

.section + .section--alt::before,
.section--alt + .section:not(.section--alt):not(.section--dark)::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-border-light);
}

/* === SP only utility === */
.sp-only {
  display: none;
}

@media (max-width: 768px) {
  .sp-only {
    display: inline;
  }

  .hero__trust-icons {
    flex-direction: column;
    gap: var(--space-md);
  }

  .workflow__steps {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .workflow__steps::before {
    display: none;
  }

  .workflow__step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    text-align: left;
  }

  .workflow__step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    font-size: var(--font-size-xl);
  }

  .workflow__step-content {
    padding-inline: 0;
  }
}

@media (max-width: 1024px) {
  .workflow__steps {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }

  .workflow__steps::before {
    display: none;
  }
}

/* === Mobile Nav base (hidden on desktop) === */
.mobile-nav {
  display: none;
}

@media (max-width: 1024px) {
  .mobile-nav {
    display: flex;
    position: fixed;
    inset: 0;
    z-index: 99;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
  }

  .mobile-nav.is-open {
    opacity: 1;
    visibility: visible;
  }
}

/* === Cursor trail effect for premium feel === */
.cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent-start);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  opacity: 0;
  transition: opacity 0.3s ease;
  mix-blend-mode: difference;
}

body:hover .cursor-dot {
  opacity: 0.5;
}

/* === Floating tag on dark section === */
.section--dark .section__label {
  color: var(--color-accent-end);
}

/* ===========================
   LOADING LOGO IMAGE
   =========================== */
.loading-logo__img {
  animation: logoFadeIn 1.5s ease forwards, logoPulse 2s ease-in-out infinite 1s;
  opacity: 0;
}

@keyframes logoFadeIn {
  0% { opacity: 0; transform: scale(0.8); }
  100% { opacity: 1; transform: scale(1); }
}

@keyframes logoPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

/* ===========================
   HEADER LOGO IMAGE
   =========================== */
.header__logo-icon {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: 4px;
}

.header__logo-wide {
  height: 45px;
  width: auto;
  object-fit: contain;
}

/* ===========================
   HERO VISUAL (Right Side)
   =========================== */
.hero .container {
  display: flex;
  align-items: center;
  gap: var(--space-3xl);
}

.hero__content {
  flex: 1;
}

.hero__visual {
  flex: 0 0 auto;
  position: relative;
  animation: heroVisualFloat 6s ease-in-out infinite;
}

.hero__visual-img {
  max-width: 420px;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 60px rgba(46, 124, 246, 0.15));
}

@keyframes heroVisualFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

/* Orbit ring around hero visual */
.hero__visual::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 110%;
  height: 110%;
  transform: translate(-50%, -50%);
  border: 1px dashed rgba(46, 124, 246, 0.15);
  border-radius: 50%;
  animation: orbitRotate 20s linear infinite;
}

.hero__visual::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 130%;
  height: 130%;
  transform: translate(-50%, -50%);
  border: 1px dashed rgba(0, 212, 170, 0.1);
  border-radius: 50%;
  animation: orbitRotate 30s linear infinite reverse;
}

@keyframes orbitRotate {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ===========================
   TRUST ITEM SVG ICONS
   =========================== */
.trust-item__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(46, 124, 246, 0.1), rgba(0, 212, 170, 0.08));
  color: var(--color-accent-start);
}

.trust-item__icon svg {
  width: 18px;
  height: 18px;
}

/* ===========================
   PROBLEM CARD ICON STYLING
   =========================== */
.problem-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin-bottom: var(--space-md);
  transition: all var(--transition-base);
}

.problem-card:hover .problem-card__icon {
  transform: scale(1.08);
}

.problem-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--transition-base);
}

.problem-card:hover .problem-card__icon img {
  transform: rotate(-5deg) scale(1.05);
}

/* ===========================
   GUARANTEE CARD ICON STYLING
   =========================== */
.guarantee-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(46, 124, 246, 0.1), rgba(0, 212, 170, 0.08));
  color: var(--color-accent-start);
  margin: 0 auto var(--space-lg);
  transition: all var(--transition-base);
  position: relative;
}

.guarantee-card__icon::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: linear-gradient(135deg, var(--color-accent-start), var(--color-accent-end)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.guarantee-card:hover .guarantee-card__icon::after {
  opacity: 1;
}

.guarantee-card:hover .guarantee-card__icon {
  transform: scale(1.1);
}

.guarantee-card:hover .guarantee-card__icon svg {
  animation: iconBounce 0.5s ease;
}

@keyframes iconBounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

/* ===========================
   ANIMATED STATS BAR (Problem Area)
   =========================== */
.problems__grid::after {
  content: '';
  position: absolute;
  bottom: -30px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(255, 107, 107, 0.3) 20%, 
    rgba(46, 124, 246, 0.3) 80%, 
    transparent
  );
  animation: statsBarGlow 3s ease-in-out infinite;
}

@keyframes statsBarGlow {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}

/* ===========================
   WORKFLOW STEP ANIMATED PROGRESS
   =========================== */
.workflow__step-number {
  position: relative;
}

.workflow__step-number::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--color-accent-end);
  animation: stepSpin 3s linear infinite;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.workflow__step:hover .workflow__step-number::before {
  opacity: 1;
}

@keyframes stepSpin {
  to { transform: rotate(360deg); }
}

/* ===========================
   OFFER LIST ICON STYLING
   =========================== */
.offer__list-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ===========================
   NARROWING ICON STYLING
   =========================== */
.narrowing__icon {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

/* ===========================
   FOOTER LOGO IMAGE
   =========================== */
.footer__logo-img {
  transition: opacity var(--transition-base);
}

.footer__logo:hover .footer__logo-img {
  opacity: 0.8;
}

/* ===========================
   ROTATING ORBIT DECORATORS
   =========================== */
.reasons__grid {
  position: relative;
}

.reasons__grid::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  border: 1px dashed rgba(46, 124, 246, 0.12);
  border-radius: 50%;
  animation: orbitRotate 15s linear infinite;
  pointer-events: none;
}

/* ===========================
   ANIMATED COUNTER SECTION
   =========================== */
.offer__remaining-count {
  position: relative;
  display: inline-block;
}

.offer__remaining-count::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent-gradient);
  border-radius: 2px;
  animation: counterPulse 2s ease-in-out infinite;
}

@keyframes counterPulse {
  0%, 100% { opacity: 0.4; transform: scaleX(0.6); }
  50% { opacity: 1; transform: scaleX(1); }
}

/* ===========================
   RESPONSIVE: HERO VISUAL
   =========================== */
@media (max-width: 1024px) {
  .hero .container {
    flex-direction: column;
    text-align: center;
  }

  .hero__visual {
    order: -1;
    margin-bottom: var(--space-xl);
  }

  .hero__visual-img {
    max-width: 320px;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__trust-icons {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .hero__visual-img {
    max-width: 240px;
  }

  .hero__visual::before,
  .hero__visual::after {
    display: none;
  }

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

/* ===========================
   WORKS PORTFOLIO SECTION
   =========================== */
.works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.work-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  transition: all var(--transition-base);
}

.work-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.work-card__thumbnail {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.work-card__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.5s ease;
}

.work-card:hover .work-card__thumbnail img {
  transform: scale(1.05);
}

.work-card__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 43, 95, 0.7);
  color: #fff;
  font-family: var(--font-family-en);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.work-card__info {
  padding: var(--space-lg);
}

.work-card__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
}

.work-card__tag {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

/* 5枚目のカードを中央に */
.works__grid .work-card:nth-child(4),
.works__grid .work-card:nth-child(5) {
  /* 4,5番目を2列で中央寄せ */
}

@media (max-width: 1024px) {
  .works__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}