:root {
  --bg-color: #fafafa;
  --ink: #2d3748;
  --muted: #718096;
  --primary: #ff6584;
  --primary-deep: #e54b6b;
  --primary-light: rgba(255, 101, 132, 0.1);
  --secondary: #3f3d56;
  --surface: #ffffff;
  --line: #edf2f7;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 12px 32px rgba(255, 101, 132, 0.08);
  --radius-lg: 20px;
  --radius-md: 10px;
}

/* Base */
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: inherit;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  color: var(--ink);
  background: var(--bg-color);
  min-height: 100vh;
  line-height: 1.7;
}

/* Background Elements */
.site-bg {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-color: var(--bg-color);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(255, 101, 132, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 15%, rgba(63, 61, 86, 0.04) 0%, transparent 45%),
    radial-gradient(circle at 50% 85%, rgba(255, 101, 132, 0.03) 0%, transparent 50%);
}

.container { width: min(1080px, calc(100% - 3rem)); margin-inline: auto; }

/* Header */
.site-header { padding: 1.5rem 0; }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; color: var(--ink); text-decoration: none; font-size: 1.25rem; letter-spacing: 0.02em; }
.main-nav { display: flex; flex-wrap: wrap; gap: 1rem; }
.main-nav a {
  text-decoration: none; color: var(--muted); font-weight: 500;
  padding: 0.5rem 1rem; border-radius: 999px; transition: 0.3s ease;
}
.main-nav a:hover, .main-nav a[aria-current="page"] {
  color: var(--primary); background: var(--primary-light);
}

/* Typography */
h1, h2, h3 { font-family: "Plus Jakarta Sans", "Noto Sans JP", sans-serif; line-height: 1.3; margin: 0 0 1rem; color: var(--ink); }
h1 { font-size: clamp(2.2rem, 4vw, 3.2rem); font-weight: 700; letter-spacing: -0.02em; }
h1 span { 
  color: var(--primary);
}
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); text-align: center; margin-bottom: 2.5rem; }
.lead { color: var(--muted); font-size: clamp(1rem, 2vw, 1.15rem); margin-bottom: 2rem; }
.eyebrow { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; color: var(--primary); letter-spacing: 0.1em; font-size: 0.8rem; margin-bottom: 0.5rem; text-transform: uppercase; }

/* Buttons */
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border: 0; border-radius: 999px; text-decoration: none; font-weight: 600;
  padding: 0.8rem 1.8rem; transition: transform 0.3s ease, box-shadow 0.3s ease; cursor: pointer;
  font-family: inherit; font-size: 1rem;
}
.btn:hover { transform: translateY(-3px); }
.btn-primary { 
  color: #fff; 
  background: var(--primary);
  box-shadow: 0 8px 20px rgba(255, 101, 132, 0.3); 
}
.btn-primary:hover { 
  background: var(--primary-deep);
  box-shadow: 0 12px 25px rgba(255, 101, 132, 0.4); 
}
.btn-ghost { color: var(--primary); background: var(--surface); border: 1px solid var(--primary); }
.btn-ghost:hover { border-color: var(--primary); color: #fff; background: var(--primary); box-shadow: 0 8px 20px rgba(255, 101, 132, 0.2); }

/* Layouts */
.section { padding: 4rem 0; }
.grid-two { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; align-items: center; }

/* Hero Section */
.hero { padding: 4rem 0 2rem; }
.hero-text { max-width: 540px; }
.hero-image { display: flex; justify-content: center; align-items: center; }
.hero-illustration { width: 100%; max-width: 500px; height: auto; }

/* Cards & Components */
.card, .step, .contact-form, .policy-box {
  background: var(--surface); border-radius: var(--radius-lg);
  padding: 2.5rem; box-shadow: var(--shadow); transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.03);
  backdrop-filter: blur(10px);
}
.card:hover, .step:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }

.grid-two > .card:nth-child(1),
.grid-two > .card:nth-child(2) { border-top: 4px solid var(--primary-light); }
.grid-two > .card:nth-child(1):hover { border-top-color: var(--primary); }
.grid-two > .card:nth-child(2):hover { border-top-color: var(--secondary); }

.card h3, .step h3 { font-size: 1.3rem; margin-bottom: 1rem; }
.card p, .step p { color: var(--muted); margin: 0; }
.card ul { margin: 1rem 0 0; padding-left: 1.2rem; color: var(--muted); }
.card li { margin-bottom: 0.5rem; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.step { text-align: center; }
.step-number {
  display: inline-flex; width: 3.5rem; height: 3.5rem; align-items: center; justify-content: center;
  border-radius: 50%; font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; font-size: 1.2rem; margin-bottom: 1.2rem;
}
.step:nth-child(1) .step-number { background: var(--primary-light); color: var(--primary); }
.step:nth-child(2) .step-number { background: rgba(63, 61, 86, 0.08); color: var(--secondary); }
.step:nth-child(3) .step-number { background: var(--primary-light); color: var(--primary); }

/* CTA */
.cta-wrap {
  text-align: center; 
  background: linear-gradient(135deg, rgba(255,101,132,0.04), rgba(63,61,86,0.03)); 
  border-radius: var(--radius-lg); padding: 4rem 2rem; color: var(--ink); box-shadow: var(--shadow); 
  border: 1px solid var(--line);
}
.cta-wrap h2 { color: var(--ink); margin-bottom: 1rem; }
.cta-wrap p { color: var(--muted); margin-bottom: 2rem; font-size: 1.1rem; }
.cta-wrap .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 20px rgba(255, 101, 132, 0.25); }
.cta-wrap .btn-primary:hover { background: var(--primary-deep); box-shadow: 0 12px 25px rgba(255, 101, 132, 0.35); }

/* Forms */
.contact-form { max-width: 680px; margin: 0 auto; display: grid; gap: 1.2rem; padding: 3rem; }
.contact-form label { font-weight: 600; font-size: 0.95rem; color: var(--ink); }
.contact-form input, .contact-form textarea {
  width: 100%; border-radius: var(--radius-md); border: 1px solid var(--line);
  padding: 0.8rem 1rem; font-size: 1rem; font-family: inherit; background: #fafafa; transition: 0.3s ease;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px var(--primary-light);
}
.form-error { color: #e74c3c; font-size: 0.9rem; margin: 0; min-height: 1.2rem; }
.note { text-align: center; color: var(--muted); font-size: 0.9rem; margin-top: 1.5rem; }

/* Policy */
.policy-box { max-width: 800px; margin: 0 auto; padding: 3rem; }
.policy-box h1 { text-align: center; margin-bottom: 2rem; font-size: 2rem; }
.policy-box h2 { font-size: 1.2rem; text-align: left; margin: 2rem 0 1rem; color: var(--ink); }
.policy-box p, .policy-box li { color: var(--muted); margin-bottom: 0.8rem; }
.policy-box ul { padding-left: 1.5rem; margin-bottom: 1.5rem; }

/* Footer */
.site-footer { padding: 3rem 0; margin-top: 2rem; }
.footer-wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: 0.95rem; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: var(--muted); text-decoration: none; transition: 0.2s ease; }
.footer-links a:hover { color: var(--primary); }

/* Profile List */
.profile-list { display: grid; grid-template-columns: 120px 1fr; gap: 1rem; margin: 0; }
.profile-list dt { font-weight: 600; color: var(--ink); padding-top: 0.2rem; }
.profile-list dd { margin: 0; color: var(--muted); padding-bottom: 0.8rem; border-bottom: 1px dashed rgba(0,0,0,0.05); }
.profile-list dd:last-child { border-bottom: none; padding-bottom: 0; }

/* Animations */
.reveal { opacity: 0; transform: translateY(20px); animation: fadeUp 0.8s ease forwards; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-15px); } 100% { transform: translateY(0px); } }

/* Responsive */
@media (max-width: 920px) {
  .hero .grid-two { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
  .hero-text { margin: 0 auto; }
  .hero-actions { justify-content: center; }
  .hero-image { order: -1; }
  .grid-two, .steps { grid-template-columns: 1fr; gap: 1.5rem; }
  .section { padding: 3rem 0; }
  .contact-form, .policy-box { padding: 2rem 1.5rem; }
}
@media (max-width: 640px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .nav-wrap { flex-direction: column; align-items: flex-start; }
  .main-nav { gap: 0.5rem; }
  .main-nav a { padding: 0.4rem 0.8rem; }
  .footer-wrap { flex-direction: column; text-align: center; justify-content: center; }
}