/* =====================
   Reset & Base
===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: #1a1a2e;
  background: #fff;
  line-height: 1.7;
  font-size: 16px;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; line-height: 1.2; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; margin-bottom: 12px; }
h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
h4 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }

a { text-decoration: none; color: inherit; }

/* =====================
   Nav
===================== */
nav {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #eee;
  z-index: 100;
  padding: 14px 0;
}
.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo { font-weight: 800; font-size: 1.1rem; color: #1a1a2e; }
.nav-cta {
  background: #e85d26;
  color: #fff;
  padding: 8px 20px;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.2s;
}
.nav-cta:hover { background: #c94d1a; }

/* =====================
   Hero
===================== */
.hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 60%, #0f3460 100%);
  color: #fff;
  padding: 100px 0 80px;
  text-align: center;
}
.hero-tag {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.btn-primary {
  display: inline-block;
  background: #e85d26;
  color: #fff;
  padding: 16px 40px;
  border-radius: 32px;
  font-size: 1rem;
  font-weight: 700;
  transition: all 0.2s;
  box-shadow: 0 4px 20px rgba(232,93,38,0.4);
}
.btn-primary:hover {
  background: #c94d1a;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(232,93,38,0.5);
}

/* =====================
   Pain
===================== */
.pain {
  padding: 80px 0;
  background: #f8f9fc;
  text-align: center;
}
.pain h2 { margin-bottom: 40px; }
.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.pain-card {
  background: #fff;
  border-radius: 16px;
  padding: 28px 20px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.pain-card .icon { font-size: 2rem; display: block; margin-bottom: 12px; }
.pain-card p { font-size: 0.95rem; color: #444; }

/* =====================
   Service
===================== */
.service {
  padding: 80px 0;
  text-align: center;
}
.section-sub { color: #666; margin-bottom: 40px; font-size: 1rem; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  text-align: left;
}
.service-card {
  border: 1px solid #e8e8e8;
  border-radius: 16px;
  padding: 32px 28px;
  transition: box-shadow 0.2s;
}
.service-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.08); }
.service-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: #e85d26;
  opacity: 0.3;
  margin-bottom: 8px;
  line-height: 1;
}
.service-card p { color: #555; font-size: 0.95rem; }

/* =====================
   Process
===================== */
.process {
  padding: 80px 0;
  background: #f8f9fc;
  text-align: center;
}
.process h2 { margin-bottom: 48px; }
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: #fff;
  border-radius: 16px;
  padding: 24px 20px;
  max-width: 220px;
  text-align: left;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.step-num {
  width: 36px;
  height: 36px;
  background: #e85d26;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  flex-shrink: 0;
}
.step-text h4 { margin-bottom: 4px; }
.step-text p { font-size: 0.85rem; color: #666; }
.step-arrow { font-size: 1.5rem; color: #ccc; }

/* =====================
   Cases
===================== */
.cases {
  padding: 80px 0;
  text-align: center;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  text-align: left;
  margin-top: 12px;
}
.case-card {
  border-left: 4px solid #e85d26;
  background: #fff;
  border-radius: 0 12px 12px 0;
  padding: 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.case-tag {
  font-size: 0.78rem;
  color: #e85d26;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}
.case-q {
  font-weight: 700;
  font-size: 0.95rem;
  color: #1a1a2e;
  margin-bottom: 10px;
  line-height: 1.5;
}
.case-a {
  font-size: 0.88rem;
  color: #555;
  line-height: 1.6;
}

/* =====================
   Reviews
===================== */
.reviews {
  padding: 80px 0;
  background: #1a1a2e;
  color: #fff;
  text-align: center;
}
.reviews h2 { color: #fff; margin-bottom: 40px; }
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  text-align: left;
}
.review-card {
  background: rgba(255,255,255,0.07);
  border-radius: 16px;
  padding: 28px 24px;
  border: 1px solid rgba(255,255,255,0.1);
}
.stars { color: #f5c518; font-size: 1.1rem; margin-bottom: 6px; }
.review-score { font-size: 1.5rem; font-weight: 800; color: #e85d26; margin-bottom: 12px; }
.review-text { font-size: 0.92rem; color: rgba(255,255,255,0.82); line-height: 1.7; margin-bottom: 14px; }
.review-author { font-size: 0.82rem; color: rgba(255,255,255,0.45); }

/* =====================
   About
===================== */
.about {
  padding: 80px 0;
  background: #f8f9fc;
}
.about h2 { margin-bottom: 20px; }
.about-text p {
  color: #444;
  margin-bottom: 14px;
  font-size: 1rem;
  max-width: 600px;
}
.about-list {
  list-style: none;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.about-list li { font-size: 0.95rem; color: #333; font-weight: 500; }

/* =====================
   Contact
===================== */
.contact {
  padding: 80px 0;
  text-align: center;
}
.contact h2 { margin-bottom: 16px; }
.contact-sub {
  color: #555;
  font-size: 1rem;
  margin-bottom: 40px;
  line-height: 1.8;
}
.qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.qr-placeholder {
  width: 180px;
  height: 180px;
  border: 2px dashed #ccc;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #aaa;
  font-size: 0.9rem;
  gap: 6px;
}
.qr-hint { font-size: 0.75rem; color: #bbb; }
.qr-img { width: 180px; height: 180px; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.12); }
.qr-id { font-size: 0.9rem; color: #666; }
.price-note {
  font-size: 0.95rem;
  color: #888;
  margin-top: 8px;
}
.price-note strong { color: #e85d26; font-size: 1.1rem; }

/* =====================
   Footer
===================== */
footer {
  background: #1a1a2e;
  color: rgba(255,255,255,0.4);
  text-align: center;
  padding: 24px;
  font-size: 0.8rem;
}

/* =====================
   Mobile
===================== */
@media (max-width: 600px) {
  .hero { padding: 70px 0 60px; }
  .step-arrow { display: none; }
  .steps { flex-direction: column; align-items: center; }
  .step { max-width: 100%; width: 100%; }
}