/* ========================================
   リセット & ベーススタイル
======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* カラー定義 - 落ち着いた信頼感のある配色 */
  --color-white: #ffffff;
  --color-off-white: #f8f9fa;
  --color-black: #1a1a1a;
  --color-navy: #1e2a3a;
  --color-navy-light: #2d3f52;
  --color-gray-dark: #374151;
  --color-gray: #6b7280;
  --color-gray-light: #f3f4f6;
  --color-gray-border: #e5e7eb;
  --color-accent: #c9a227;
  --color-accent-dark: #a68520;
  --color-accent-light: #faf6eb;
  --color-success: #059669;

  /* タイポグラフィ */
  --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Hiragino Sans', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.8;

  /* スペーシング */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 64px;
  --spacing-xxl: 96px;

  /* ボーダー */
  --border-radius: 6px;
  --border-radius-large: 12px;

  /* シャドウ - より控えめに */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-gray-dark);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

/* ========================================
   ヘッダー
======================================== */
.header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-border);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: 0.02em;
}

.header-cta-btn {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 10px 20px;
  border-radius: var(--border-radius);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.02em;
  transition: all 0.2s ease;
}

.header-cta-btn:hover {
  background-color: var(--color-navy-light);
}

/* ========================================
   ファーストビュー
======================================== */
.hero {
  background: linear-gradient(180deg, var(--color-off-white) 0%, var(--color-white) 100%);
  padding: var(--spacing-xl) 0 var(--spacing-xxl);
  text-align: center;
}

.hero-content {
  max-width: 720px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background-color: var(--color-accent-light);
  color: var(--color-accent-dark);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.03em;
}

.hero-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--color-navy);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.01em;
}

.highlight {
  color: var(--color-gray);
}

.highlight-yellow {
  position: relative;
  display: inline;
  background: transparent;
  padding: 0;
}

.highlight-yellow::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 8px;
  background-color: var(--color-accent);
  opacity: 0.25;
  z-index: -1;
}

.hero-description {
  font-size: 15px;
  color: var(--color-gray);
  margin-bottom: var(--spacing-lg);
  line-height: 2;
}

.hero-description strong {
  color: var(--color-gray-dark);
  font-weight: 600;
}

.hero-features {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  font-size: 14px;
  color: var(--color-gray-dark);
}

.hero-feature i {
  color: var(--color-success);
  font-size: 16px;
}

.hero-cta {
  margin-top: var(--spacing-lg);
}

.cta-note {
  margin-top: var(--spacing-sm);
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.8;
}

/* ========================================
   CTAボタン
======================================== */
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 15px;
  transition: all 0.2s ease;
  cursor: pointer;
  letter-spacing: 0.02em;
}

.cta-button-primary {
  background-color: var(--color-navy);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.cta-button-primary:hover {
  background-color: var(--color-navy-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cta-button-large {
  font-size: 16px;
  padding: 18px 44px;
}

.cta-button i {
  font-size: 18px;
}

/* ========================================
   セクション共通
======================================== */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title-main {
  display: block;
  font-size: 26px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.01em;
}

.section-title-sub {
  display: block;
  font-size: 14px;
  color: var(--color-gray);
  font-weight: 400;
}

/* ========================================
   よくある悩み
======================================== */
.problems {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-white);
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.problem-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all 0.2s ease;
}

.problem-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-gray-border);
}

.problem-icon {
  width: 64px;
  height: 64px;
  background-color: var(--color-off-white);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
}

.problem-icon i {
  font-size: 26px;
  color: var(--color-navy);
}

.problem-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

.problem-description {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.8;
}

/* ========================================
   無料診断で分かること
======================================== */
.benefits {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-off-white);
}

.benefits-list {
  max-width: 720px;
  margin: 0 auto;
}

.benefit-item {
  display: flex;
  gap: var(--spacing-md);
  background-color: var(--color-white);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  border: 1px solid var(--color-gray-border);
  transition: all 0.2s ease;
}

.benefit-item:hover {
  box-shadow: var(--shadow-sm);
}

.benefit-item:last-child {
  margin-bottom: 0;
}

.benefit-number {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background-color: var(--color-navy);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

.benefit-content {
  flex: 1;
  padding-top: 4px;
}

.benefit-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 4px;
}

.benefit-description {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.7;
}

/* ========================================
   診断メニュー
======================================== */
.services {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-lg);
  transition: all 0.2s ease;
  position: relative;
}

.service-card:hover {
  box-shadow: var(--shadow-md);
}

.service-card-featured {
  border-color: var(--color-accent);
  border-width: 2px;
}

.service-badge {
  position: absolute;
  top: -10px;
  right: 20px;
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.service-header {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.service-header i {
  font-size: 36px;
  color: var(--color-navy);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.service-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-navy);
}

.service-description {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.service-features {
  list-style: none;
}

.service-features li {
  padding: 10px 0;
  border-top: 1px solid var(--color-gray-border);
  font-size: 14px;
  color: var(--color-gray-dark);
  display: flex;
  align-items: center;
  gap: 10px;
}

.service-features li i {
  color: var(--color-success);
  font-size: 14px;
}

/* ========================================
   診断の流れ
======================================== */
.flow {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-off-white);
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  align-items: start;
}

.flow-step {
  background-color: var(--color-white);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-md);
  text-align: center;
  border: 1px solid var(--color-gray-border);
  transition: all 0.2s ease;
}

.flow-step:hover {
  box-shadow: var(--shadow-sm);
}

.flow-step-number {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
  display: inline-block;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.02em;
}

.flow-step-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-off-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-sm);
}

.flow-step-icon i {
  font-size: 22px;
  color: var(--color-navy);
}

.flow-step-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 6px;
}

.flow-step-description {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.7;
}

.flow-arrow {
  display: none;
}

.flow-note {
  max-width: 640px;
  margin: 0 auto;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-border);
  border-left: 3px solid var(--color-accent);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius);
}

.flow-note p {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-gray-dark);
}

.flow-note i {
  color: var(--color-accent-dark);
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}

.flow-note strong {
  color: var(--color-navy);
}

/* ========================================
   運営者プロフィール
======================================== */
.profile {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-white);
}

.profile-content {
  display: flex;
  gap: var(--spacing-xl);
  align-items: flex-start;
  max-width: 880px;
  margin: 0 auto;
}

.profile-image {
  flex-shrink: 0;
}

.profile-placeholder {
  width: 160px;
  height: 160px;
  background-color: var(--color-off-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 3px solid var(--color-gray-border);
}

.profile-photo {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 50% 20%;
}

.profile-placeholder i {
  font-size: 64px;
  color: var(--color-gray);
}

.profile-info {
  flex: 1;
}

.profile-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 6px;
}

.profile-location {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: 6px;
}

.profile-location i {
  color: var(--color-accent-dark);
}

.profile-description p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.9;
  margin-bottom: var(--spacing-sm);
}

.profile-description p:last-child {
  margin-bottom: 0;
}

.profile-description strong {
  color: var(--color-gray-dark);
  font-weight: 600;
}

.profile-features {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.profile-feature-item {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: var(--color-off-white);
  padding: 8px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-gray-dark);
}

.profile-feature-item i {
  color: var(--color-navy);
  font-size: 14px;
}

/* ========================================
   CTA セクション
======================================== */
.cta {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-navy);
  text-align: center;
}

.cta-content {
  max-width: 640px;
  margin: 0 auto;
}

.cta-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.cta-description {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.9;
  margin-bottom: var(--spacing-lg);
}

.cta-buttons {
  margin-bottom: var(--spacing-md);
}

.cta-buttons .cta-button-primary {
  background-color: var(--color-white);
  color: var(--color-navy);
}

.cta-buttons .cta-button-primary:hover {
  background-color: var(--color-off-white);
}

.cta-note-bottom {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
}

/* ========================================
   フッター
======================================== */
.footer {
  background-color: var(--color-navy);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  padding: var(--spacing-lg) 0;
  text-align: center;
}

.footer-content {
  max-width: 600px;
  margin: 0 auto;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.footer-description {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--spacing-xs);
  line-height: 1.7;
}

.footer-description a {
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.2s ease;
}

.footer-description a:hover {
  color: var(--color-white);
}

.footer-copy {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  margin-top: var(--spacing-md);
}

/* ========================================
   レスポンシブ - タブレット
======================================== */
@media (max-width: 1024px) {
  .problems-grid,
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
}

/* ========================================
   レスポンシブ - スマートフォン
======================================== */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
  }

  .container {
    padding: 0 20px;
  }

  /* ヘッダー */
  .header {
    padding: 12px 0;
  }

  .logo {
    font-size: 13px;
  }

  .header-cta-btn {
    font-size: 12px;
    padding: 8px 14px;
  }

  /* ヒーロー */
  .hero {
    padding: var(--spacing-lg) 0 var(--spacing-xl);
  }

  .hero-title {
    font-size: 24px;
    line-height: 1.7;
  }

  .hero-description {
    font-size: 14px;
  }

  .hero-description br {
    display: none;
  }

  .hero-features {
    flex-direction: column;
    gap: var(--spacing-xs);
    align-items: center;
  }

  .cta-button {
    width: 100%;
    max-width: 300px;
    padding: 14px 28px;
    font-size: 14px;
  }

  .cta-button-large {
    padding: 16px 32px;
    font-size: 15px;
  }

  /* セクション */
  .section-title {
    margin-bottom: var(--spacing-lg);
  }

  .section-title-main {
    font-size: 22px;
  }

  .section-title-sub {
    font-size: 13px;
  }

  /* 悩みカード */
  .problems-grid,
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .problem-card,
  .service-card {
    padding: var(--spacing-md);
  }

  .problem-title {
    font-size: 16px;
  }

  .problem-title br {
    display: none;
  }

  /* ベネフィット */
  .benefit-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
  }

  .benefit-number {
    width: 36px;
    height: 36px;
    font-size: 12px;
  }

  .benefit-content {
    padding-top: 0;
  }

  .benefit-title {
    font-size: 15px;
  }

  /* フロー */
  .flow-steps {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .flow-step {
    padding: var(--spacing-md);
  }

  .flow-note {
    padding: var(--spacing-md);
  }

  .flow-note p {
    flex-direction: column;
    gap: 6px;
  }

  /* プロフィール */
  .profile-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-md);
  }

  .profile-placeholder {
    width: 120px;
    height: 120px;
  }

  .profile-name {
    font-size: 18px;
  }

  .profile-location {
    justify-content: center;
  }

  .profile-description p {
    text-align: left;
  }

  .profile-features {
    justify-content: center;
  }

  /* CTA */
  .cta-title {
    font-size: 22px;
  }

  .cta-description {
    font-size: 14px;
  }

  .cta-description br {
    display: none;
  }
}

/* ========================================
   アニメーション（控えめに）
======================================== */
@media (prefers-reduced-motion: no-preference) {
  .problem-card,
  .service-card,
  .benefit-item,
  .flow-step {
    opacity: 0;
    transform: translateY(16px);
    animation: fadeInUp 0.4s ease forwards;
  }

  @keyframes fadeInUp {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .problem-card:nth-child(1) { animation-delay: 0.1s; }
  .problem-card:nth-child(2) { animation-delay: 0.15s; }
  .problem-card:nth-child(3) { animation-delay: 0.2s; }

  .benefit-item:nth-child(1) { animation-delay: 0.05s; }
  .benefit-item:nth-child(2) { animation-delay: 0.1s; }
  .benefit-item:nth-child(3) { animation-delay: 0.15s; }
  .benefit-item:nth-child(4) { animation-delay: 0.2s; }
  .benefit-item:nth-child(5) { animation-delay: 0.25s; }

  .service-card:nth-child(1) { animation-delay: 0.1s; }
  .service-card:nth-child(2) { animation-delay: 0.15s; }
  .service-card:nth-child(3) { animation-delay: 0.2s; }

  .flow-step:nth-child(1) { animation-delay: 0.1s; }
  .flow-step:nth-child(2) { animation-delay: 0.15s; }
  .flow-step:nth-child(3) { animation-delay: 0.2s; }
  .flow-step:nth-child(4) { animation-delay: 0.25s; }
}