/* ===== Design Tokens ===== */
:root {
  --color-primary: #eab308;
  --color-primary-light: #fbbf24;
  --color-primary-dark: #b45309;
  --color-accent: #2563eb;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #1e293b;
  --color-text: #334155;
  --color-text-light: #64748b;
  --color-border: #e2e8f0;
  --font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --max-width: 1100px;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --transition: 0.2s ease;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: #1d4ed8; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ===== Utilities ===== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--color-primary);
  color: #1e293b;
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; border-color: var(--color-primary-dark); }
.btn-outline {
  background: transparent;
  color: var(--color-primary-dark);
  border-color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #1e293b; }
.btn-secondary {
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  border-color: var(--color-border);
}
.btn-secondary:hover { background: var(--color-primary); color: #1e293b; border-color: var(--color-primary); }
.btn-lg { padding: 18px 40px; font-size: 1.1rem; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: 0.04em;
}
.logo:hover { color: #92400e; }
.main-nav ul {
  display: flex;
  gap: 28px;
  align-items: center;
}
.main-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}
.main-nav a:hover { color: var(--color-accent); }
.nav-cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: var(--radius);
}
.nav-cta:hover { background: #1d4ed8; }
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
}
.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  position: absolute;
  left: 0;
  transition: all var(--transition);
}
.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 9px; }
.menu-toggle span:nth-child(3) { top: 18px; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #1e293b;
  padding: 80px 0;
  text-align: center;
}
.hero h1 {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 20px;
}
.hero-lead {
  font-size: 1.1rem;
  color: #334155;
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero .btn-primary { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.hero .btn-primary:hover { background: #1d4ed8; border-color: #1d4ed8; color: #fff; }
.hero .btn-outline { color: #1e293b; border-color: rgba(0,0,0,0.3); }
.hero .btn-outline:hover { background: rgba(0,0,0,0.08); }

/* ===== Price Guide ===== */
.price-guide {
  padding: 40px 0;
  background: var(--color-bg-alt);
}
.price-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  max-width: 500px;
  margin: 0 auto;
}
.price-card {
  background: #fff;
  text-align: center;
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.price-label { font-size: 0.9rem; color: var(--color-text-light); margin-bottom: 8px; }
.price-value { font-size: 1.4rem; font-weight: 700; color: var(--color-accent); }
.price-value span { font-size: 2.4rem; }
.price-note { font-size: 0.8rem; color: var(--color-text-light); margin-top: 4px; }

/* ===== Services ===== */
.services { padding: 80px 0; }
.services h2, .why-us h2, .news-section h2 {
  text-align: center;
  font-size: 1.6rem;
  margin-bottom: 48px;
  position: relative;
}
.services h2::after, .why-us h2::after, .news-section h2::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--color-primary);
  margin: 12px auto 0;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.service-card {
  display: block;
  padding: 32px 24px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  transition: all var(--transition);
  color: var(--color-text);
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  color: var(--color-text);
}
.service-icon {
  color: var(--color-accent);
  margin-bottom: 16px;
}
.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--color-primary-dark);
}
.service-card p { font-size: 0.9rem; color: var(--color-text-light); line-height: 1.7; }
.section-cta { text-align: center; margin-top: 40px; }

/* ===== Why Us ===== */
.why-us { padding: 80px 0; background: var(--color-bg-alt); }
.reason-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.reason-card {
  background: #fff;
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-top: 3px solid var(--color-primary);
}
.reason-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--color-primary-dark);
}
.reason-card p { font-size: 0.9rem; color: var(--color-text-light); }

/* ===== News ===== */
.news-section { padding: 80px 0; }
.news-list { max-width: 700px; margin: 0 auto; }
.news-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}
.news-item time { font-size: 0.85rem; color: var(--color-text-light); min-width: 90px; }
.news-tag {
  font-size: 0.75rem;
  padding: 2px 10px;
  border-radius: 4px;
  font-weight: 600;
}
.tag-news { background: var(--color-primary); color: #1e293b; }
.tag-column { background: var(--color-accent); color: #fff; }
.news-item a { color: var(--color-text); font-size: 0.95rem; }
.news-item a:hover { color: var(--color-accent); }

/* ===== CTA Section ===== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #1e293b;
  text-align: center;
}
.cta-section h2 { font-size: 1.6rem; margin-bottom: 16px; }
.cta-section p { color: #334155; margin-bottom: 32px; }
.cta-section .btn-primary { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.cta-section .btn-primary:hover { background: #1d4ed8; border-color: #1d4ed8; color: #fff; }

/* ===== Footer ===== */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}
.footer-brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.footer-info p { font-size: 0.9rem; line-height: 1.7; }
.footer-nav ul { display: flex; flex-direction: column; gap: 8px; }
.footer-nav a { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.footer-nav a:hover { color: #fff; }
.copyright {
  text-align: center;
  font-size: 0.8rem;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* ===== Page Hero (inner pages) ===== */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #1e293b;
  padding: 48px 0;
  text-align: center;
}
.page-hero h1 { font-size: 1.8rem; font-weight: 700; }

/* ===== Page Content ===== */
.page-content { padding: 64px 0; }
.page-content h2 { margin-bottom: 16px; }
.page-content p { margin-bottom: 16px; }
.content-narrow { max-width: 740px; margin: 0 auto; }
.bg-alt { background: var(--color-bg-alt); }
.section-title {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: 40px;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--color-primary);
  margin: 12px auto 0;
}
.section-lead {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

/* ===== Info Table (company) ===== */
.info-table-wrap { max-width: 700px; margin: 0 auto; }
.info-table { width: 100%; border-collapse: collapse; }
.info-table th,
.info-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: 0.95rem;
  vertical-align: top;
}
.info-table th {
  width: 180px;
  font-weight: 600;
  color: var(--color-primary-dark);
  background: var(--color-bg-alt);
}
.qualification-list { list-style: disc; padding-left: 20px; }
.qualification-list li { margin-bottom: 4px; }

/* ===== Current nav link ===== */
.main-nav a.current { color: var(--color-accent); font-weight: 700; }

/* ===== Worry List (beginner) ===== */
.worry-list {
  max-width: 600px;
  margin: 0 auto;
  list-style: none;
}
.worry-list li {
  position: relative;
  padding: 12px 0 12px 32px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}
.worry-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ===== Steps (beginner/contact) ===== */
.steps-section { padding: 64px 0; }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}
.step-card {
  text-align: center;
  padding: 32px 20px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.step-card .step-number,
.step .step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.step-card h3 { font-size: 1rem; margin-bottom: 8px; color: var(--color-primary-dark); }
.step-card p { font-size: 0.9rem; color: var(--color-text-light); }

/* ===== Contact Steps (vertical) ===== */
.contact-steps { margin-bottom: 48px; }
.step {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}
.step-body h3 { font-size: 1rem; margin-bottom: 4px; color: var(--color-primary-dark); }
.step-body p { font-size: 0.9rem; color: var(--color-text-light); margin-bottom: 0; }
.contact-lead { font-size: 1.05rem; margin-bottom: 32px; }

/* ===== Procedure List (beginner) ===== */
.procedure-list {
  max-width: 700px;
  margin: 0 auto;
  counter-reset: procedure;
  list-style: none;
}
.procedure-list li {
  padding: 20px 0 20px 56px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}
.procedure-list li::before {
  counter-increment: procedure;
  content: counter(procedure);
  position: absolute;
  left: 0;
  top: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}
.procedure-list h3 { font-size: 1rem; margin-bottom: 4px; color: var(--color-primary-dark); }
.procedure-list p { font-size: 0.9rem; color: var(--color-text-light); margin-bottom: 0; }

/* ===== Price Detail (beginner) ===== */
.price-detail { padding: 64px 0; }
.price-example {
  max-width: 500px;
  margin: 0 auto;
  background: #fff;
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.price-example h3 {
  text-align: center;
  margin-bottom: 20px;
  color: var(--color-primary-dark);
}

/* ===== FAQ (beginner) ===== */
.faq-section { padding: 64px 0; }
.faq-list { max-width: 700px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item summary {
  padding: 16px 0;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 32px;
}
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  color: var(--color-accent);
  font-weight: 400;
}
.faq-item[open] summary::after { content: '-'; }
.faq-item p {
  padding: 0 0 16px;
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ===== Work Sections (work page) ===== */
.work-section { padding: 64px 0; }
.work-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}
.work-feature {
  padding: 24px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 3px solid var(--color-primary);
}
.bg-alt .work-feature { background: var(--color-bg); }
.work-feature h3 { font-size: 0.95rem; margin-bottom: 8px; color: var(--color-primary-dark); }
.work-feature p { font-size: 0.85rem; color: var(--color-text-light); margin-bottom: 0; }

/* ===== Article (news/columns) ===== */
.article-content h2 { font-size: 1.5rem; margin-bottom: 24px; }
.article-content h3 { font-size: 1.2rem; margin-top: 32px; margin-bottom: 12px; color: var(--color-primary-dark); }
.article-content h4 { font-size: 1.05rem; margin-top: 24px; margin-bottom: 8px; }
.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.article-meta time { font-size: 0.85rem; color: var(--color-text-light); }
.article-nav {
  display: flex;
  gap: 12px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.article-cta {
  margin-top: 48px;
  padding: 32px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  text-align: center;
}
.article-cta p { margin-bottom: 16px; font-weight: 600; }

/* ===== Contact Form ===== */
.contact-form { max-width: 560px; margin: 0 auto; }
.form-group { margin-bottom: 24px; }
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.95rem;
}
.required {
  color: #e74c3c;
  font-size: 0.8rem;
  margin-left: 4px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.form-submit { text-align: center; margin-top: 32px; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
  }
  .main-nav.open { display: block; }
  .main-nav ul {
    flex-direction: column;
    padding: 16px 20px;
    gap: 0;
  }
  .main-nav li { border-bottom: 1px solid var(--color-border); }
  .main-nav li:last-child { border-bottom: none; }
  .main-nav a { display: block; padding: 12px 0; }
  .nav-cta { text-align: center; margin-top: 8px; }
  .hero { padding: 56px 0; }
  .hero h1 { font-size: 1.6rem; }
  .hero-lead { font-size: 1rem; }
  .services, .why-us, .news-section, .cta-section { padding: 56px 0; }
  .page-hero { padding: 36px 0; }
  .page-hero h1 { font-size: 1.4rem; }
  .page-content, .steps-section, .price-detail, .faq-section, .work-section { padding: 40px 0; }
  .hero h1 { word-break: auto-phrase; }
  .info-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .info-table th { width: 120px; padding: 12px; font-size: 0.85rem; }
  .info-table td { padding: 12px; font-size: 0.85rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.3rem; }
  .hero-lead { font-size: 0.9rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn-lg { width: 100%; }
  .reason-grid, .service-grid { grid-template-columns: 1fr; }
  .news-item { flex-direction: column; align-items: flex-start; gap: 4px; }
}