/* ===== リセット・変数 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink:        #0d1b2a;
  --cream:      #eaf0f8;
  --warm-white: #f4f7fb;
  --gold:       #c9a84c;
  --gold-light: #e2c070;
  --sage:       #3a7ca5;
  --rust:       #1a3a5c;
  --mist:       #ccd8e8;
  --deep:       #0a1628;

  --font-serif: 'Shippori Mincho', serif;
  --font-en:    'Cormorant Garamond', serif;
  --font-sans:  'Noto Sans JP', sans-serif;

  --section-pad: clamp(4rem, 8vw, 7rem);
  --container:   1080px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--warm-white);
  line-height: 1.8;
  font-size: 16px;
  text-align: left;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== 共通見出し ===== */
.section-label {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.75rem;
  text-align: center;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  line-height: 1.5;
  margin-bottom: 1.5rem;
  text-align: center;
}

.section-lead {
  font-size: 1.05rem;
  color: #5a4e44;
  max-width: 600px;
  margin: 0 auto 3rem;
}

/* ===== ボタン ===== */
.btn-primary {
  display: inline-block;
  background: var(--gold);
  color: #fff;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  padding: 1rem 2.5rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.25s, transform 0.15s;
  letter-spacing: 0.05em;
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); }

/* ===== ナビゲーション ===== */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250, 248, 244, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--mist);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--ink);
  text-decoration: none;
}

.nav-cta {
  background: var(--gold);
  color: #fff;
  font-size: 0.85rem;
  padding: 0.5rem 1.25rem;
  text-decoration: none;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--gold-light); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  background: var(--deep);
  display: flex;
  align-items: center;
  padding: calc(var(--section-pad) + 4rem) 1.5rem var(--section-pad);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(201,168,76,0.12) 0%, transparent 65%);
}

.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-label {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  color: #fff;
  line-height: 1.5;
  margin-bottom: 1.5rem;
  font-weight: 600;
  text-align: center;
}

.hero-title em {
  color: var(--gold-light);
  font-style: normal;
}

.hero-sub {
  font-size: 1.1rem;
  color: #c8bfb4;
  max-width: 540px;
  margin: 0 auto 2.5rem;
  line-height: 1.9;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  justify-content: center;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-num {
  font-family: var(--font-en);
  font-size: 2.4rem;
  color: var(--gold-light);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: #a09080;
  letter-spacing: 0.05em;
}

/* ===== PROBLEM ===== */
.problem {
  background: var(--cream);
  padding: var(--section-pad) 1.5rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.problem-card {
  background: var(--warm-white);
  border: 1px solid var(--mist);
  padding: 2rem 1.5rem;
  border-left: 3px solid var(--gold);
}

.problem-card__num {
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: var(--gold);
  letter-spacing: 0.2em;
  margin-bottom: 0.75rem;
}

.problem-card__text {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ===== SOLUTION ===== */
.solution {
  background: var(--warm-white);
  padding: var(--section-pad) 1.5rem;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.solution-card {
  padding: 2.5rem 2rem;
  border: 1px solid var(--mist);
  position: relative;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
}

.solution-card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.solution-card__title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--ink);
}

.solution-card__body {
  font-size: 0.95rem;
  color: #5a4e44;
  line-height: 1.9;
}

/* ===== PROFILE ===== */
.profile {
  background: var(--deep);
  padding: var(--section-pad) 1.5rem;
  color: #e8ddd0;
}

.profile-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
  max-width: var(--container);
  margin: 0 auto;
  text-align: left;
}

.profile-photo {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: #1a3350;
  border: 3px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  overflow: hidden;
}

.profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile .section-title { color: #fff; }

.profile-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 0.25rem;
}

.profile-title {
  font-size: 0.85rem;
  color: var(--gold-light);
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.profile-body {
  font-size: 0.975rem;
  line-height: 2;
  color: #c8bfb4;
}

.profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
  justify-content: center;
}

.profile-tag {
  border: 1px solid var(--gold);
  color: var(--gold-light);
  font-size: 0.8rem;
  padding: 0.3rem 0.8rem;
  letter-spacing: 0.05em;
}

/* ===== CURRICULUM ===== */
.curriculum {
  background: var(--cream);
  padding: var(--section-pad) 1.5rem;
}

.curriculum-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 2rem;
}

.curriculum-item {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  align-items: center;
  gap: 1.25rem;
  background: var(--warm-white);
  border: 1px solid var(--mist);
  padding: 1.25rem 1.5rem;
  text-align: left;
}

.curriculum-num {
  font-family: var(--font-en);
  font-size: 1.4rem;
  color: var(--gold);
  font-weight: 600;
  line-height: 1;
}

.curriculum-num span {
  font-size: 0.65rem;
  display: block;
  color: #9a8878;
  letter-spacing: 0.1em;
}

.curriculum-title {
  font-family: var(--font-serif);
  font-size: 1rem;
}

.curriculum-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 2px;
  white-space: nowrap;
  font-weight: 500;
}

.curriculum-badge--real {
  background: rgba(140,74,47,0.12);
  color: var(--rust);
  border: 1px solid var(--rust);
}

.curriculum-badge--online {
  background: rgba(122,140,126,0.12);
  color: var(--sage);
  border: 1px solid var(--sage);
}

.curriculum-legend {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  justify-content: center;
}

.legend-dot {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  margin-right: 0.4rem;
  vertical-align: middle;
}

/* ===== PRICING ===== */
.pricing {
  background: var(--warm-white);
  padding: var(--section-pad) 1.5rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.pricing-card {
  border: 1px solid var(--mist);
  padding: 2.5rem 2rem;
  position: relative;
  background: var(--warm-white);
  transition: transform 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(26,20,16,0.1);
}

.pricing-card--recommended {
  border-color: var(--gold);
  background: var(--cream);
}

.pricing-recommended-badge {
  position: absolute;
  top: -1px; right: 1.5rem;
  background: var(--gold);
  color: #fff;
  font-size: 0.75rem;
  padding: 0.3rem 0.8rem;
  letter-spacing: 0.05em;
}

.pricing-staff {
  font-size: 0.85rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.pricing-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.pricing-amount {
  margin-bottom: 1.5rem;
}

.pricing-per {
  font-family: var(--font-en);
  font-size: 2.4rem;
  color: var(--ink);
  font-weight: 600;
  line-height: 1;
}

.pricing-per span {
  font-size: 1rem;
  color: #7a6e64;
}

.pricing-total {
  font-size: 0.85rem;
  color: #7a6e64;
  margin-top: 0.5rem;
}

.pricing-features {
  list-style: none;
  font-size: 0.9rem;
  line-height: 1;
  margin-bottom: 2rem;
  text-align: left;
}

.pricing-features li {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--mist);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pricing-features li::before {
  content: '✓';
  color: var(--gold);
  font-weight: bold;
  flex-shrink: 0;
}

/* ===== FAQ ===== */
.faq {
  background: var(--cream);
  padding: var(--section-pad) 1.5rem;
}

.faq-list {
  max-width: 720px;
  margin-top: 2rem;
}

.faq-item {
  border-bottom: 1px solid var(--mist);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  text-align: center;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--ink);
  padding: 1.5rem 3rem 1.5rem 0;
  position: relative;
  line-height: 1.6;
}

.faq-question::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--gold);
  transition: transform 0.25s;
  font-weight: 300;
}

.faq-question.open::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 0 1.5rem;
  font-size: 0.975rem;
  color: #5a4e44;
  line-height: 1.9;
}

.faq-answer.open { display: block; }

/* ===== CTA ===== */
.cta-section {
  background: var(--deep);
  padding: var(--section-pad) 1.5rem;
  text-align: center;
}

.hero { text-align: center; }
.site-footer { text-align: center; }

.cta-section .section-label { display: block; text-align: center; }
.cta-section .section-title { color: #fff; text-align: center; margin: 0 auto 1rem; }

.cta-lead {
  color: #c8bfb4;
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

.cta-note {
  font-size: 0.8rem;
  color: #7a6e64;
  margin-top: 1.5rem;
}

/* ===== FOOTER ===== */
.site-footer {
  background: #160f08;
  color: #5a4e44;
  text-align: center;
  padding: 2rem 1.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

/* ===== レスポンシブ ===== */
@media (max-width: 720px) {
  .profile-inner {
    grid-template-columns: 1fr;
  }

  .profile-photo {
    width: 100%;
    height: 300px;
  }

  .curriculum-item {
    grid-template-columns: 48px 1fr;
  }

  .curriculum-badge {
    display: none;
  }

  .hero-stats {
    gap: 2rem;
  }

  /* ナビ */
  .site-nav {
    padding: 0.6rem 1rem;
    gap: 0.5rem;
  }
  .nav-logo {
    font-size: 0.75rem;
    line-height: 1.4;
    flex: 1;
  }
  .nav-cta {
    font-size: 0.75rem;
    padding: 0.4rem 0.75rem;
    white-space: nowrap;
    flex-shrink: 0;
    text-align: center;
  }

  /* ヒーロー */
  .hero-label {
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    word-break: break-word;
  }
  .hero-title {
    font-size: 1.5rem;
  }
  .hero-sub {
    font-size: 1rem;
  }

  /* セクション見出し */
  .section-title {
    font-size: 1.25rem;
  }

  /* カードタイトル */
  .solution-card__title {
    font-size: 1rem;
  }

  /* ボタン */
  .btn-primary {
    font-size: 0.92rem;
    padding: 0.9rem 1.8rem;
  }

  /* デスクトップ用改行を非表示 */
  .desktop-br {
    display: none;
  }
}