/* ============================================================
   あおば整骨院 - Stylesheet
   ============================================================ */

:root {
  --primary:       #1565C0;
  --primary-dark:  #0D47A1;
  --secondary:     #00897B;
  --accent:        #F57F17;
  --text:          #212121;
  --text-light:    #757575;
  --bg:            #FFFFFF;
  --bg-light:      #F5F7FA;
  --border:        #E0E0E0;
  --shadow-sm:     0 2px 8px rgba(0,0,0,0.08);
  --shadow:        0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg:     0 8px 40px rgba(0,0,0,0.18);
  --radius:        8px;
  --radius-lg:     16px;
  --transition:    0.3s ease;
  --max-width:     1100px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Noto Sans JP', sans-serif; color: var(--text); background: var(--bg); line-height: 1.75; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ---- Layout ---- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section    { padding: 88px 0; }
.bg-light   { background: var(--bg-light); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.8);
}
.btn-outline:hover {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.btn-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: #06C755;
  color: #fff;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1rem;
  transition: var(--transition);
}
.btn-line:hover { background: #05A847; transform: translateY(-2px); }
.btn-full { width: 100%; }

/* ============================================================
   Section Header
   ============================================================ */
.section-header { text-align: center; margin-bottom: 60px; }
.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  margin-bottom: 16px;
}
.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  margin: 12px auto 0;
  border-radius: 2px;
}
.section-desc { color: var(--text-light); font-size: 0.95rem; }

/* ============================================================
   Scroll Animation
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Header
   ============================================================ */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
#header.scrolled { box-shadow: var(--shadow); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo */
.logo {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-weight: 700;
}
.logo-mark { font-size: 1.4rem; color: var(--primary); }
.logo-text  { font-size: 1rem; color: var(--text); }

/* Nav */
.nav ul {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}
.nav a:not(.btn-nav)::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}
.nav a:not(.btn-nav):hover { color: var(--primary); }
.nav a:not(.btn-nav):hover::after { width: 100%; }

.btn-nav {
  background: var(--primary);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.85rem !important;
  transition: var(--transition);
}
.btn-nav:hover { background: var(--primary-dark) !important; }
.btn-nav::after { display: none !important; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 1010;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0D47A1 0%, #1565C0 45%, #00695C 100%);
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(0,137,123,0.35) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(13,71,161,0.4) 0%, transparent 55%);
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='64' height='64' viewBox='0 0 64 64' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M32 2L2 32l30 30 30-30z' fill='none' stroke='rgba(255,255,255,0.04)' stroke-width='1'/%3E%3C/svg%3E");
}

.hero .container { position: relative; z-index: 1; }

.hero-content { max-width: 660px; color: #fff; }

.hero-sub {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  opacity: 0.85;
  margin-bottom: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-sub::before {
  content: '';
  display: inline-block;
  width: 24px; height: 2px;
  background: rgba(255,255,255,0.6);
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 24px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.hero-desc {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 40px;
  line-height: 1.9;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-info {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.hero-info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  opacity: 0.85;
  background: rgba(255,255,255,0.12);
  padding: 8px 16px;
  border-radius: 50px;
  backdrop-filter: blur(4px);
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  z-index: 1;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.2); }
}

/* ============================================================
   Features
   ============================================================ */
.features {
  padding: 52px 0;
  background: #fff;
  box-shadow: var(--shadow);
  position: relative;
  z-index: 10;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.feature-card { text-align: center; padding: 24px 16px; }
.feature-icon {
  width: 68px; height: 68px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  color: #fff;
  font-size: 1.6rem;
  box-shadow: 0 4px 16px rgba(21,101,192,0.3);
}
.feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p  { font-size: 0.88rem; color: var(--text-light); }

/* ============================================================
   Services
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--primary);
}
.service-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, #E3F2FD, #E0F2F1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--primary);
  font-size: 1.4rem;
}
.service-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.service-card p  { font-size: 0.88rem; color: var(--text-light); line-height: 1.75; }

/* ============================================================
   Flow
   ============================================================ */
.flow-steps {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}
.flow-step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  position: relative;
  padding-bottom: 44px;
}
.flow-step:last-child { padding-bottom: 0; }
.flow-step::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 56px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--secondary));
  opacity: 0.25;
}
.flow-step:last-child::before { display: none; }

.flow-num {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  font-weight: 900;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(21,101,192,0.3);
}
.flow-content { padding-top: 10px; }
.flow-content h3 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.flow-content p  { font-size: 0.9rem; color: var(--text-light); }

/* ============================================================
   Price
   ============================================================ */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.price-card {
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.price-card.featured {
  border-color: var(--primary);
  transform: scale(1.04);
  box-shadow: var(--shadow-lg);
}
.price-card.featured:hover { transform: scale(1.04) translateY(-4px); }

.price-badge {
  position: absolute;
  top: 12px; right: 12px;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}
.price-header {
  background: var(--bg-light);
  padding: 28px 24px;
  text-align: center;
}
.price-card.featured .price-header {
  background: linear-gradient(135deg, var(--primary), #1976D2);
  color: #fff;
}
.price-header h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.price-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-top: 10px;
}
.amount { font-size: 2.4rem; font-weight: 900; }
.unit   { font-size: 1rem; }

.price-body { padding: 24px; }
.price-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.price-item:last-child { border-bottom: none; }
.price-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-light);
  padding: 12px 24px 16px;
  background: var(--bg-light);
}

/* ============================================================
   Access
   ============================================================ */
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: start;
}
.clinic-detail h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}
.info-item {
  display: flex;
  gap: 14px;
  margin-bottom: 16px;
  align-items: flex-start;
  font-size: 0.95rem;
}
.info-item i { color: var(--primary); margin-top: 4px; width: 16px; flex-shrink: 0; }
.info-item a { color: var(--primary); font-size: 1.3rem; font-weight: 700; }

.hours-table { margin-top: 36px; }
.hours-table h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}
.hours-table h3 i { color: var(--primary); }
.hours-table table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.hours-table th, .hours-table td {
  padding: 9px 5px;
  text-align: center;
  border: 1px solid var(--border);
}
.hours-table th { background: var(--primary); color: #fff; font-weight: 600; }
.hours-table td:first-child {
  text-align: left;
  padding-left: 12px;
  font-weight: 500;
  background: var(--bg-light);
  white-space: nowrap;
}
td.ok { color: var(--secondary); font-weight: 700; }
td.ng { color: #B0BEC5; }
.hours-note { font-size: 0.78rem; color: var(--text-light); margin-top: 8px; }

/* ============================================================
   Contact
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
}
.tel-box, .line-box {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  margin-bottom: 16px;
}
.tel-box i, .line-box i {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}
.tel-box i { color: var(--primary); }
.line-box i { color: #06C755; }
.tel-box h3, .line-box h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 14px; }
.tel-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}
.tel-box p { font-size: 0.78rem; color: var(--text-light); }

.contact-form {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}
.required {
  background: var(--primary);
  color: #fff;
  font-size: 0.68rem;
  padding: 2px 7px;
  border-radius: 4px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(21,101,192,0.1);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-note { text-align: center; font-size: 0.78rem; color: var(--text-light); margin-top: 12px; }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: #1A237E;
  color: #fff;
  padding: 52px 0 28px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 24px;
}
.footer-logo .logo-mark { color: #90CAF9; }
.footer-logo .logo-text { color: #fff; }

.footer-nav { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-nav a { font-size: 0.85rem; opacity: 0.65; transition: opacity var(--transition); }
.footer-nav a:hover { opacity: 1; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p { font-size: 0.78rem; opacity: 0.45; }
.footer-credit { font-size: 0.72rem; opacity: 0.3; }

/* ============================================================
   Floating CTA
   ============================================================ */
.floating-cta {
  position: fixed;
  bottom: 24px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  pointer-events: none;
}
.floating-cta.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.floating-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 68px; height: 68px;
  border-radius: 50%;
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition), box-shadow var(--transition);
}
.floating-btn i { font-size: 1.3rem; }
.floating-btn.tel { background: var(--primary); }
.floating-btn.web { background: var(--secondary); }
.floating-btn:hover { transform: scale(1.12); box-shadow: 0 12px 32px rgba(0,0,0,0.25); }

/* ============================================================
   Responsive — Tablet & Mobile
   ============================================================ */
@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .price-grid    { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .price-card.featured { transform: none; }
  .access-grid   { grid-template-columns: 1fr; }
  .contact-grid  { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; gap: 12px; }
}

@media (max-width: 768px) {
  /* Mobile nav */
  .nav {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: #fff;
    padding: 28px 24px;
    box-shadow: var(--shadow);
    transform: translateY(-110%);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
    pointer-events: none;
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav ul { flex-direction: column; align-items: flex-start; gap: 20px; }
  .hamburger { display: flex; }

  .hero { min-height: auto; padding: 112px 0 72px; }
  .hero-btns { flex-direction: column; }
  .hero-info { gap: 12px; }
  .hero-scroll { display: none; }

  .section { padding: 64px 0; }
  .section-header { margin-bottom: 44px; }

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

  .contact-form { padding: 28px 20px; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-nav { gap: 16px; }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.85rem; }
  .tel-number { font-size: 1.5rem; }
  .floating-btn { width: 60px; height: 60px; font-size: 0.6rem; }
  .floating-btn i { font-size: 1.1rem; }
}