:root {
  --color-bg: #f5f6f8;
  --color-navy: #1b2a4a;
  --color-navy-dark: #101c33;
  --color-gray: #6b7280;
  --color-gold: #c9a35a;
  --color-text: #21283a;
  --color-text-light: #6b7280;
  --radius-lg: 12px;
  --radius-md: 8px;
  --shadow-soft: 0 10px 26px rgba(27, 42, 74, 0.08);
  --font-base: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-base); color: var(--color-text); background: var(--color-bg); line-height: 1.8; -webkit-font-smoothing: antialiased; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }
img { max-width: 100%; display: block; }

.portfolio-badge { background: var(--color-navy-dark); color: #fff; text-align: center; font-size: 12px; padding: 6px 12px; letter-spacing: .05em; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid #e5e7eb; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; }
.logo { font-size: 19px; font-weight: 800; color: var(--color-navy); letter-spacing: .04em; white-space: nowrap; flex-shrink: 0; }
.site-nav { display: flex; align-items: center; gap: 20px; }
.site-nav ul { display: flex; gap: 18px; font-size: 14px; }
.site-nav a { white-space: nowrap; }
.site-nav a:hover { color: var(--color-gold); }
.nav-actions { display: flex; gap: 10px; }
.nav-actions .btn { padding: 11px 18px; white-space: nowrap; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--color-navy); display: block; }

/* Buttons */
.btn { display: inline-block; padding: 13px 26px; border-radius: 4px; font-size: 14px; font-weight: 700; letter-spacing: .02em; transition: transform .2s ease, background .2s ease; }
.btn-lg { padding: 15px 30px; }
.btn-primary { background: var(--color-navy); color: #fff; }
.btn-primary:hover { background: var(--color-navy-dark); transform: translateY(-2px); }
.btn-tel { background: var(--color-gold); color: #fff; }
.btn-outline { border: 1px solid var(--color-navy); color: var(--color-navy); }
.btn-outline-light { border: 1px solid #fff; color: #fff; }

/* Hero */
.hero { background: linear-gradient(120deg, var(--color-navy) 0%, var(--color-navy-dark) 100%); color: #fff; padding: 88px 0; }
.hero-inner { display: flex; align-items: center; gap: 56px; }
.hero-text { flex: 1.3; }
.hero-eyebrow { color: var(--color-gold); font-weight: 700; letter-spacing: .14em; font-size: 13px; margin-bottom: 14px; }
.hero h1 { font-size: clamp(26px, 4.2vw, 38px); line-height: 1.5; font-weight: 800; margin-bottom: 20px; }
.hero-lead { font-size: 14px; opacity: .85; margin-bottom: 28px; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 26px; font-weight: 800; color: var(--color-gold); }
.stat-label { font-size: 11px; opacity: .8; }
.hero-photo { flex: 1; text-align: center; }
.photo-frame { width: 220px; height: 260px; margin: 0 auto 14px; border-radius: 8px; background: linear-gradient(160deg, #2b3b5c, #4a5a7d); display: flex; align-items: flex-end; justify-content: center; overflow: hidden; border: 3px solid var(--color-gold); }
.silhouette { width: 120px; height: 180px; border-radius: 60px 60px 0 0; background: rgba(255, 255, 255, .18); }
.photo-caption { font-size: 11px; opacity: .75; }

/* Sections */
section { padding: 76px 0; }
.section-title { text-align: center; font-size: clamp(21px, 3.2vw, 28px); font-weight: 800; margin-bottom: 40px; color: var(--color-navy); }

/* Worries */
.worries { background: #fff; }
.worry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.worry-card { background: var(--color-bg); border-left: 4px solid var(--color-gold); border-radius: 4px; padding: 26px 22px; box-shadow: var(--shadow-soft); }
.worry-card h3 { font-size: 15px; margin-bottom: 8px; color: var(--color-navy); }
.worry-card p { font-size: 13px; color: var(--color-text-light); }

/* Strength */
.strength-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.strength-card { background: #fff; border-radius: var(--radius-md); padding: 28px 22px; box-shadow: var(--shadow-soft); }
.strength-num { font-size: 13px; color: var(--color-gold); font-weight: 800; }
.strength-card h3 { font-size: 15px; margin: 10px 0 8px; color: var(--color-navy); }
.strength-card p { font-size: 13px; color: var(--color-text-light); }

/* Case */
.case { background: #fff; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card { background: var(--color-bg); border-radius: var(--radius-md); padding: 26px; box-shadow: var(--shadow-soft); }
.case-tag { display: inline-block; background: var(--color-navy); color: #fff; font-size: 11px; padding: 4px 12px; border-radius: 999px; margin-bottom: 12px; }
.case-card h3 { font-size: 15px; margin-bottom: 10px; color: var(--color-navy); }
.case-card p { font-size: 13px; color: var(--color-text-light); }
.disclaimer-inline { text-align: center; font-size: 11px; color: var(--color-text-light); margin-top: 24px; }

/* Flow */
.flow-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 50px; }
.flow-steps li { background: #fff; border-radius: var(--radius-md); padding: 26px 20px; box-shadow: var(--shadow-soft); text-align: center; }
.flow-num { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 50%; background: var(--color-navy); color: #fff; font-weight: 800; margin-bottom: 12px; }
.flow-steps h3 { font-size: 14px; margin-bottom: 8px; color: var(--color-navy); }
.flow-steps p { font-size: 12px; color: var(--color-text-light); }
.fee-table-wrap { overflow-x: auto; }
.fee-table { width: 100%; border-collapse: collapse; background: #fff; box-shadow: var(--shadow-soft); border-radius: var(--radius-md); overflow: hidden; }
.fee-table th, .fee-table td { padding: 14px 16px; text-align: left; font-size: 13px; border-bottom: 1px solid #e5e7eb; }
.fee-table th { background: var(--color-navy); color: #fff; font-weight: 700; }

/* FAQ */
.faq { background: #fff; }
.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--color-bg); border-radius: var(--radius-md); box-shadow: var(--shadow-soft); overflow: hidden; }
.faq-question { width: 100%; text-align: left; background: none; border: none; padding: 20px 24px; font-size: 14px; font-weight: 700; cursor: pointer; position: relative; color: var(--color-navy); }
.faq-question::after { content: "+"; position: absolute; right: 24px; top: 50%; transform: translateY(-50%); font-size: 20px; color: var(--color-gold); }
.faq-item.is-open .faq-question::after { content: "−"; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; font-size: 13px; color: var(--color-text-light); }
.faq-answer p { padding: 0 24px 20px; }
.faq-item.is-open .faq-answer { max-height: 220px; }

/* Contact */
.contact { background: var(--color-bg); }
.contact-inner { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: start; }
.contact-title { text-align: left; }
.contact-text p { color: var(--color-text-light); margin: 14px 0 26px; font-size: 14px; }
.contact-form { background: #fff; border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-soft); display: flex; flex-direction: column; gap: 16px; }
.contact-form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 700; color: var(--color-navy); }
.contact-form input, .contact-form select, .contact-form textarea { font-family: inherit; font-size: 14px; padding: 10px 12px; border: 1px solid #d1d5db; border-radius: 4px; font-weight: 400; color: var(--color-text); }
.checkbox-label { flex-direction: row; align-items: center; gap: 8px; font-weight: 400; }
.form-note { font-size: 12px; color: var(--color-gold); min-height: 16px; }

/* Footer */
.site-footer { background: var(--color-navy-dark); color: #cfd6e4; padding: 56px 0 24px; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 30px; font-size: 13px; }
.footer-logo { font-size: 17px; font-weight: 800; color: #fff; margin-bottom: 10px; }
.footer-nav { display: flex; flex-direction: column; gap: 10px; font-size: 13px; }
.footer-disclaimer { max-width: 1080px; margin: 40px auto 0; padding: 0 24px; font-size: 11px; opacity: .7; }

/* Sticky CTA */
.sticky-cta { position: fixed; left: 0; right: 0; bottom: -100px; display: flex; transition: bottom .3s ease; z-index: 60; box-shadow: 0 -6px 20px rgba(0, 0, 0, .15); }
.sticky-cta.is-visible { bottom: 0; }
.sticky-cta-item { flex: 1; text-align: center; padding: 16px; font-weight: 700; font-size: 14px; }
.sticky-cta-tel { background: var(--color-gold); color: #fff; }
.sticky-cta-main { background: var(--color-navy); color: #fff; }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { flex-direction: column; }
  .worry-grid, .strength-grid, .case-grid, .flow-steps { grid-template-columns: repeat(2, 1fr); }
  .contact-inner { grid-template-columns: 1fr; }
}
@media (max-width: 1100px) {
  .nav-actions .btn-tel { display: none; }
}
@media (max-width: 960px) {
  .nav-actions .btn-tel { display: inline-block; }
  .site-nav { position: fixed; top: 60px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: flex-start; padding: 20px 24px; gap: 16px; transform: translateY(-140%); transition: transform .25s ease; box-shadow: var(--shadow-soft); }
  .site-nav.is-open { transform: translateY(0); }
  .site-nav ul { flex-direction: column; gap: 14px; }
  .nav-toggle { display: flex; }
}
@media (max-width: 720px) {
  .hero-stats { gap: 20px; }
}
@media (max-width: 560px) {
  .worry-grid, .strength-grid, .case-grid, .flow-steps { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
}
