:root {
  --primary-color: #2C3E50;
  --brand-green: #B1F782;
  --base-color: #E1F5FE;
  --accent-color: #875700;
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --gray: #6c757d;
  --dark-gray: #343a40;
  --font-family: "M PLUS 1", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  --container-max-width: 1200px;
  --border-radius: 8px;
  --box-shadow: 0 2px 10px rgba(44, 62, 80, 0.12);
  --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--dark-gray);
  background-color: var(--white);
  font-size: 16px;
}

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Header（ファビコン色 #B1F782・ナビ中央） */
.header {
  background-color: var(--brand-green) !important;
  box-shadow: var(--box-shadow);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.header-content {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: var(--spacing-sm) 0;
  gap: var(--spacing-sm);
}

.logo {
  justify-self: start;
}

.logo a {
  text-decoration: none;
}

.logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.logo-accent {
  color: #2f6b1f;
  font-weight: 500;
  font-size: 0.85rem;
  margin-left: 0.35rem;
}

.nav {
  display: flex;
  gap: var(--spacing-lg);
  min-height: 26px;
  align-items: center;
  justify-content: center;
  justify-self: center;
}

.nav a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  transition: var(--transition);
}

.nav a:hover {
  color: #1a4d12;
  opacity: 0.85;
}

.header-spacer {
  justify-self: end;
  min-width: 1px;
}

/* Hero（固定高さ・viewport に引きずられない） */
.hero {
  margin-top: 64px;
  height: 280px !important;
  max-height: 280px !important;
  min-height: 0 !important;
  padding: 0 var(--spacing-sm);
  box-sizing: border-box;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-bg-image {
  background-color: var(--light-gray);
  background-image: url("/images/hero-bg.webp");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  /* fixed はビューポート全体に背景が見えて高く見えるため使わない */
  background-attachment: scroll;
}

.hero-bg-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.82) 0%,
    rgba(225, 245, 254, 0.55) 55%,
    rgba(177, 247, 130, 0.25) 100%
  );
  pointer-events: none;
}

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

.hero-title {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0;
  line-height: 1.3;
}

/* hero 直下の本文（機能一覧セルと同サイズ） */
.hero-lead {
  padding: var(--spacing-lg) 0 0;
}

.hero-lead-text {
  font-size: 1.1rem;
  color: var(--dark-gray);
  line-height: 1.6;
}

/* Sections */
.section {
  padding: var(--spacing-xxl) 0;
}

.section-alt {
  background: var(--light-gray);
}

.section-title {
  font-size: 1.75rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.section h2 {
  font-size: 1.75rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

/* 機能一覧（ReviewMaster 機能一覧風） */
.comparison-table-wrapper {
  overflow-x: auto;
  margin-top: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--white);
  font-size: 0.95rem;
}

.comparison-table th,
.comparison-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid #e9ecef;
}

.comparison-table thead th {
  background-color: var(--primary-color);
  color: var(--white);
  font-weight: 600;
  text-align: center;
}

.comparison-table .feature-name {
  font-weight: 500;
  color: var(--primary-color);
  background-color: var(--light-gray);
  width: 85%;
  text-align: left;
}

.comparison-table tbody td {
  text-align: center;
}

.comparison-table tbody .feature-name {
  text-align: left;
}

.comparison-table tbody tr:hover {
  background-color: rgba(177, 247, 130, 0.15);
}

.comparison-table .check-cell {
  color: var(--primary-color);
  font-size: 1.25rem;
  font-weight: 700;
}

/* 料金（未定のみ） */
.pricing-undecided {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: 0.08em;
  padding: var(--spacing-xl) 0;
}

@media (max-width: 768px) {
  .comparison-table {
    font-size: 0.85rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: var(--spacing-sm);
  }

  .pricing-undecided {
    font-size: 1.5rem;
  }
}

/* Legal pages (ReviewMaster 準拠) */
.legal-page {
  padding: calc(80px + 2rem) 0 2rem 0;
  min-height: 100vh;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
}

.legal-content h1 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 2rem;
}

.legal-content h2 {
  color: var(--primary-color);
  margin: 2rem 0 1rem 0;
  font-size: 1.3rem;
}

.legal-content p {
  margin-bottom: 1rem;
}

.legal-content ul,
.legal-content ol {
  margin: 0 0 1rem 1.25rem;
}

.legal-content li {
  margin-bottom: 0.35rem;
}

.legal-content .meta {
  color: var(--gray);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.legal-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.95rem;
}

.legal-content th,
.legal-content td {
  border: 1px solid rgba(44, 62, 80, 0.2);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.legal-content th {
  background: var(--base-color);
  width: 32%;
  color: var(--primary-color);
}

.back-link {
  display: inline-block;
  margin-bottom: 2rem;
  color: var(--primary-color);
  text-decoration: none;
}

.back-link:hover {
  text-decoration: underline;
}

/* Footer（ファビコン色 #B1F782） */
.footer {
  background-color: var(--brand-green);
  color: var(--primary-color);
  padding: var(--spacing-xxl) 0 var(--spacing-lg) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.footer-brand p {
  color: rgba(44, 62, 80, 0.8);
}

.footer-links {
  display: flex;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.footer-section h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
  color: rgba(44, 62, 80, 0.85);
  text-decoration: none;
  transition: var(--transition);
}

.footer-section ul li a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(44, 62, 80, 0.2);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: rgba(44, 62, 80, 0.7);
}

@media (max-width: 768px) {
  .header-content {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) 0;
  }

  .logo,
  .nav,
  .header-spacer {
    justify-self: center;
  }

  .header-spacer {
    display: none;
  }

  .nav {
    gap: var(--spacing-sm);
  }

  .nav a {
    font-size: 0.85rem;
  }

  .hero {
    margin-top: 88px;
    height: 240px !important;
    max-height: 240px !important;
    text-align: center;
  }

  .hero-lead-text {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}