/* ============================================
   高すぎるWeb広告外注費ゼロにし隊 - 共通スタイル
   ============================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', 'メイリオ', Meiryo, sans-serif;
  color: #333;
  background: #fff;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

/* --- Utility --- */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-center {
  text-align: center;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Color Variables --- */
:root {
  --green-dark: #2d5016;
  --green-main: #4a7c23;
  --green-light: #6ba33e;
  --green-pale: #e8f5e0;
  --red-accent: #d32f2f;
  --red-light: #fff5f5;
  --orange-accent: #f57c00;
  --blue-accent: #1565c0;
  --gray-dark: #333;
  --gray-mid: #666;
  --gray-light: #999;
  --gray-bg: #f5f5f5;
  --white: #fff;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
}

/* ============================================
   Header
   ============================================ */
.site-header {
  background: var(--green-dark);
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-header .logo-small {
  height: 40px;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  background: linear-gradient(135deg, var(--green-dark) 0%, #1a3a0a 100%);
  padding: 60px 0 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60"><rect fill="rgba(255,255,255,0.03)" width="30" height="30"/><rect fill="rgba(255,255,255,0.03)" x="30" y="30" width="30" height="30"/></svg>');
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero .main-visual {
  max-width: 520px;
  margin: 0 auto 30px;
  filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.3));
}

.hero .catch-copy {
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 2;
  margin-bottom: 10px;
}

.hero .catch-copy .highlight {
  color: #ffeb3b;
  font-size: 1.5rem;
}

.hero .sub-copy {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ============================================
   Problem Section (index.html)
   ============================================ */
.problem-section {
  padding: 70px 0;
  background: var(--gray-bg);
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title .label {
  display: inline-block;
  background: var(--red-accent);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.section-title h2 {
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--gray-dark);
}

.section-title h2 .em {
  color: var(--red-accent);
  font-size: 1.8rem;
}

.problem-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 700px;
  margin: 0 auto;
}

.problem-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--white);
  padding: 24px;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.problem-item .num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--red-accent);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
}

.problem-item h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: var(--gray-dark);
}

.problem-item p {
  font-size: 0.9rem;
  color: var(--gray-mid);
}

/* ============================================
   Entry Cards Section (index.html)
   ============================================ */
.entry-section {
  padding: 70px 0;
  background: var(--white);
}

.entry-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.entry-card {
  background: var(--white);
  border: 2px solid #e0e0e0;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.entry-card:hover {
  border-color: var(--green-main);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.entry-card .card-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.entry-card .card-label {
  display: inline-block;
  background: var(--green-pale);
  color: var(--green-dark);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.entry-card .card-copy {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.8;
  color: var(--gray-dark);
  margin-bottom: 20px;
  min-height: 72px;
}

.entry-card .card-copy .strong {
  color: var(--red-accent);
}

.entry-card .card-btn {
  display: inline-block;
  background: var(--green-main);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 12px 32px;
  border-radius: 50px;
  transition: background 0.3s ease;
}

.entry-card:hover .card-btn {
  background: var(--green-dark);
}

/* ============================================
   Trust Message Section
   ============================================ */
.trust-section {
  padding: 60px 0;
  background: var(--green-pale);
  text-align: center;
}

.trust-section .trust-box {
  max-width: 640px;
  margin: 0 auto;
  padding: 40px;
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.trust-section .trust-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 16px;
  line-height: 1.8;
}

.trust-section .trust-text {
  font-size: 0.95rem;
  color: var(--gray-mid);
  line-height: 2;
}

.trust-section .trust-text strong {
  color: var(--green-dark);
}

/* ============================================
   Sub Page: Hero (hp/sns/media)
   ============================================ */
.sub-hero {
  background: linear-gradient(135deg, var(--green-dark) 0%, #1a3a0a 100%);
  padding: 50px 0 40px;
  text-align: center;
  position: relative;
}

.sub-hero .logo-top {
  height: 60px;
  margin: 0 auto 24px;
  filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.3));
}

.sub-hero .sub-hero-copy {
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 900;
  line-height: 1.8;
  margin-bottom: 8px;
}

.sub-hero .sub-hero-copy .highlight {
  color: #ffeb3b;
}

.sub-hero .sub-hero-sub {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

/* ============================================
   Truth Section (hp/sns/media)
   ============================================ */
.truth-section {
  padding: 70px 0;
  background: var(--gray-bg);
}

.truth-header {
  text-align: center;
  margin-bottom: 50px;
}

.truth-header .truth-label {
  display: inline-block;
  background: var(--red-accent);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 20px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.truth-header h2 {
  font-size: 1.5rem;
  color: var(--gray-dark);
  line-height: 1.6;
}

.truth-cards {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 740px;
  margin: 0 auto;
}

.truth-card {
  background: var(--white);
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: var(--shadow);
  border-left: 5px solid var(--red-accent);
}

.truth-card .truth-num {
  display: inline-block;
  background: var(--red-accent);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 900;
  padding: 4px 14px;
  border-radius: 4px;
  margin-bottom: 14px;
}

.truth-card h3 {
  font-size: 1.15rem;
  color: var(--gray-dark);
  margin-bottom: 16px;
  line-height: 1.6;
}

.truth-card p {
  font-size: 0.95rem;
  color: var(--gray-mid);
  line-height: 2;
  margin-bottom: 12px;
}

.truth-card .truth-point {
  background: var(--red-light);
  border-radius: 8px;
  padding: 16px 20px;
  margin-top: 16px;
}

.truth-card .truth-point p {
  color: var(--red-accent);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0;
}

.truth-card ul {
  list-style: none;
  padding: 0;
  margin-bottom: 12px;
}

.truth-card ul li {
  position: relative;
  padding-left: 20px;
  font-size: 0.95rem;
  color: var(--gray-mid);
  line-height: 2;
}

.truth-card ul li::before {
  content: '●';
  position: absolute;
  left: 0;
  color: var(--gray-light);
  font-size: 0.5rem;
  top: 0.6em;
}

/* ============================================
   Summary / Landing Message
   ============================================ */
.summary-section {
  padding: 60px 0;
  background: var(--white);
  text-align: center;
}

.summary-section .summary-box {
  max-width: 640px;
  margin: 0 auto;
  padding: 40px;
  background: var(--green-pale);
  border-radius: 16px;
}

.summary-section h2 {
  font-size: 1.3rem;
  color: var(--green-dark);
  margin-bottom: 16px;
  line-height: 1.8;
}

.summary-section p {
  font-size: 0.95rem;
  color: var(--gray-mid);
  line-height: 2;
}

/* ============================================
   LINE CTA Section
   ============================================ */
.cta-section {
  padding: 70px 0;
  background: linear-gradient(135deg, var(--green-dark) 0%, #1a3a0a 100%);
  text-align: center;
}

.cta-section .cta-inner {
  max-width: 560px;
  margin: 0 auto;
}

.cta-section .cta-title {
  color: var(--white);
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1.8;
  margin-bottom: 16px;
}

.cta-section .cta-title .highlight {
  color: #ffeb3b;
}

.cta-section .cta-sub {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: 32px;
  line-height: 1.8;
}

.line-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #06c755;
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 900;
  padding: 18px 48px;
  border-radius: 60px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(6, 199, 85, 0.4);
}

.line-btn:hover {
  background: #05b34c;
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(6, 199, 85, 0.5);
}

.line-btn .line-icon {
  width: 28px;
  height: 28px;
}

.cta-note {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
  margin-top: 16px;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: #1a1a1a;
  padding: 30px 0;
  text-align: center;
}

.site-footer .back-link {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  display: inline-block;
  margin-bottom: 12px;
  transition: color 0.3s;
}

.site-footer .back-link:hover {
  color: var(--white);
}

.site-footer .copyright {
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.75rem;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .hero {
    padding: 40px 0 36px;
  }

  .hero .main-visual {
    max-width: 320px;
  }

  .hero .catch-copy {
    font-size: 1.1rem;
  }

  .hero .catch-copy .highlight {
    font-size: 1.3rem;
  }

  .entry-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .entry-card {
    padding: 24px 20px;
  }

  .entry-card .card-copy {
    min-height: auto;
  }

  .section-title h2 {
    font-size: 1.3rem;
  }

  .section-title h2 .em {
    font-size: 1.5rem;
  }

  .problem-section,
  .entry-section,
  .truth-section,
  .cta-section {
    padding: 50px 0;
  }

  .truth-card {
    padding: 28px 20px;
  }

  .truth-card h3 {
    font-size: 1.05rem;
  }

  .sub-hero .sub-hero-copy {
    font-size: 1.2rem;
  }

  .line-btn {
    font-size: 1rem;
    padding: 16px 36px;
  }

  .trust-section .trust-box {
    padding: 28px 20px;
  }

  .summary-section .summary-box {
    padding: 28px 20px;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .container {
    padding: 0 16px;
  }

  .hero .main-visual {
    max-width: 260px;
  }
}