/* ============================================
   デザイントークン
   ============================================ */
:root {
  --navy:        #0D1E35;
  --navy-mid:    #1A3155;
  --gold:        #B8932A;
  --gold-light:  #D4AE5A;
  --text:        #1C1C1C;
  --text-muted:  #5C6370;
  --bg:          #FAFAF8;
  --bg-off:      #F3F3F0;
  --border:      #E2E2DC;

  --serif: 'Noto Serif JP', serif;
  --sans:  'Noto Sans JP', sans-serif;

  --container: 1040px;
  --radius-sm: 4px;
  --radius:    8px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   リセット
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
.sp-only { display: none; }

/* ============================================
   コンテナ
   ============================================ */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ============================================
   共通タイポグラフィ
   ============================================ */

/* セクションのeyebrow（英字ラベル） */
.section-eyebrow {
  font-family: var(--sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--gold);
  text-transform: uppercase;
  display: block;
  margin-bottom: 14px;
}

/* セクションタイトル：セリフ体・左寄せ */
.section-title {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3.2vw, 2.125rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--navy);
  margin-bottom: 20px;
}

/* 中央寄せが必要なセクション用modifier */
.section-title--center { text-align: center; }
.section-eyebrow--center { text-align: center; }

.section-lead {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 52px;
}

.text-accent { color: var(--gold); }

/* ============================================
   ボタン
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 36px;
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  transition: background 0.18s var(--ease), color 0.18s var(--ease), box-shadow 0.18s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}
.btn-primary:hover {
  background: var(--navy-mid);
  box-shadow: 0 4px 18px rgba(13,30,53,0.28);
}
.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn--sm  { padding: 10px 22px; font-size: 0.8125rem; }
.btn--lg  { padding: 18px 52px; font-size: 1rem; }

/* ============================================
   ヘッダー
   ============================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250,250,248,0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.2s var(--ease);
}
.header.is-scrolled { box-shadow: 0 2px 24px rgba(0,0,0,0.06); }

.header__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}
.header__logo {
  font-family: var(--sans);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--navy);
}
.header__nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
  margin-right: 12px;
}
.header__nav a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.15s;
}
.header__nav a:hover { color: var(--navy); }

/* ============================================
   Hero
   ============================================ */
.hero {
  background: var(--navy);
  padding: 152px 32px 100px;
  position: relative;
  overflow: hidden;
}

/* 背景装飾ライン */
.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(135deg, transparent 40%, rgba(184,147,42,0.06) 100%);
  pointer-events: none;
}

.hero__inner {
  max-width: 720px;
  position: relative;
}

/* ゴールドのアクセントライン */
.hero__inner::before {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--gold);
  margin-bottom: 24px;
}

.hero__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero__title {
  font-family: var(--serif);
  font-size: clamp(2.25rem, 5.5vw, 3.5rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 28px;
}
.hero__sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.9;
  margin-bottom: 44px;
}
.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 28px;
  margin-top: 20px;
}
.hero__trust li {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}
.hero__trust li::before { content: '— '; }

/* ============================================
   課題提起（Problem）
   ============================================ */
.problem { padding: 96px 32px; background: var(--bg); }

.problem__list {
  margin-top: 48px;
  border-top: 1px solid var(--border);
}
.problem__item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 0 32px;
  align-items: center;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.problem__item:hover { background: var(--bg-off); margin: 0 -24px; padding: 36px 24px; }

.problem__num {
  font-family: var(--sans);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--border);
  line-height: 1;
  letter-spacing: -0.02em;
  user-select: none;
}
.problem__text {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text);
}
.problem__text strong {
  font-weight: 700;
  color: var(--navy);
  display: block;
  font-size: 1.125rem;
}

/* ============================================
   放置リスク（Risk）
   ============================================ */
.risk { padding: 96px 32px; background: var(--navy); }
.risk .section-eyebrow { color: var(--gold-light); }
.risk .section-title { color: #fff; }
.risk__lead {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 56px;
  line-height: 1.85;
}

.risk__list {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.risk__item {
  padding: 32px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 48px;
  align-items: baseline;
}
.risk__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.risk__num {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gold);
  flex-shrink: 0;
}
.risk__head h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.5;
}
.risk__item > p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.85;
}

/* ============================================
   解決策（Solution）
   ============================================ */
.solution { padding: 96px 32px; background: var(--bg-off); }

.solution__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 52px;
  align-items: start;
}
.solution__card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
}
.solution__card-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}
.solution__list li {
  font-size: 0.9375rem;
  padding: 12px 0 12px 20px;
  border-bottom: 1px solid var(--border);
  position: relative;
  color: var(--text);
}
.solution__list li:last-child { border-bottom: none; }
.solution__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.solution__specs { display: flex; flex-direction: column; gap: 12px; }
.solution__spec {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 0 20px;
  align-items: center;
}
.solution__spec-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.solution__spec-value {
  font-size: 0.9375rem;
  color: var(--text);
  line-height: 1.5;
}
.solution__spec-value strong { font-size: 1.125rem; color: var(--navy); }

.solution__cta { margin-top: 48px; }
.solution__cta-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 12px;
}

/* ============================================
   選ばれる理由（Features）―エディトリアル縦型
   ============================================ */
.features { padding: 96px 32px; background: var(--bg); }

.features__list {
  margin-top: 56px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.feature-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0 48px;
  padding: 52px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
  position: relative;
}
.feature-item:first-child { border-top: 1px solid var(--border); }

.feature-item__num {
  font-family: var(--sans);
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--bg-off);
  /* 数字をビジュアル要素として使う */
  -webkit-text-stroke: 1.5px var(--border);
  user-select: none;
  padding-top: 4px;
}

.feature-item__title {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  line-height: 1.45;
}
.feature-item__text {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.85;
}

/* ============================================
   競合比較（Compare）
   ============================================ */
.compare { padding: 96px 32px; background: var(--bg-off); }
.compare .section-eyebrow,
.compare .section-title { text-align: center; margin-left: auto; margin-right: auto; }
.compare .section-lead { text-align: center; }

.compare__wrap { overflow-x: auto; margin-top: 0; }
.compare__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  min-width: 560px;
}
.compare__table th,
.compare__table td {
  padding: 14px 16px;
  border: 1px solid var(--border);
  text-align: center;
  vertical-align: middle;
  line-height: 1.5;
}
.compare__table thead th {
  background: var(--navy);
  color: rgba(255,255,255,0.6);
  font-size: 0.8125rem;
  font-weight: 700;
}
.compare__table tbody td:first-child {
  background: var(--bg);
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: left;
}
.compare__table tbody tr:nth-child(even) td { background: #f8f8f5; }
.compare__table tbody tr:nth-child(even) td:first-child { background: var(--bg-off); }
.compare__th--highlight { background: var(--gold) !important; color: var(--navy) !important; }
.compare__td--highlight { background: #fdf9ee !important; font-weight: 700 !important; color: var(--navy) !important; }

/* ============================================
   顧問紹介（Advisors）
   ============================================ */
.advisors { padding: 96px 32px; background: var(--bg); }
.advisors .section-eyebrow,
.advisors .section-title { text-align: center; }
.advisors .section-lead { text-align: center; }

.advisors__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.advisors__loading {
  grid-column: 1/-1;
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
  font-size: 0.875rem;
}
.advisors__error {
  grid-column: 1/-1;
  text-align: center;
  padding: 32px;
  color: #c0392b;
  background: #fdf2f2;
  border-radius: var(--radius);
  font-size: 0.875rem;
}
.advisor-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
  transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}
.advisor-card:hover { box-shadow: 0 8px 28px rgba(0,0,0,0.09); transform: translateY(-2px); }
.advisor-card__avatar {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--bg-off);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--border);
  font-size: 2.5rem;
}
.advisor-card__avatar::after { content: '　'; }
.advisor-card__image img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.advisor-card__body { padding: 18px 20px; }
.advisor-card__name { font-size: 0.9375rem; font-weight: 700; color: var(--navy); margin-bottom: 3px; }
.advisor-card__title { font-size: 0.75rem; color: var(--gold); font-weight: 500; margin-bottom: 8px; }
.advisor-card__specialty { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 6px; }
.advisor-card__career { font-size: 0.75rem; color: var(--text-muted); line-height: 1.7; }

/* ============================================
   ご利用の流れ（Flow）
   ============================================ */
.flow { padding: 96px 32px; background: var(--bg-off); }

.flow__list {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
/* 縦のコネクティングライン */
.flow__list::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 28px;
  bottom: 28px;
  width: 1px;
  background: var(--border);
}

.flow__item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 0 32px;
  align-items: start;
  padding: 24px 0;
  position: relative;
}

.flow__step {
  width: 40px;
  height: 40px;
  background: var(--navy);
  color: rgba(255,255,255,0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.flow__body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
  padding-top: 8px;
}
.flow__body p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.8; }

.flow__cta { text-align: center; margin-top: 52px; }
.flow__cta-note { font-size: 0.8125rem; color: var(--text-muted); margin-top: 10px; }

/* ============================================
   FAQ
   ============================================ */
.faq { padding: 96px 32px; background: var(--bg); }
.faq .section-eyebrow,
.faq .section-title { text-align: center; }

.faq__list {
  max-width: 680px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}
.faq__item { border-bottom: 1px solid var(--border); }

.faq__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.6;
}
.faq__question::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform 0.2s var(--ease);
}
.faq__item.is-open .faq__question::after { transform: rotate(45deg); }

.faq__answer {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.85;
  padding: 0 0 22px;
  display: none;
}
.faq__item.is-open .faq__answer { display: block; }

/* ============================================
   最終CTA
   ============================================ */
.cta {
  padding: 96px 32px;
  background: var(--navy);
  text-align: center;
}
.cta__eyebrow { text-align: center; color: var(--gold-light); letter-spacing: 0.2em; }
.cta__title {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 20px;
}
.cta__text {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 44px;
  line-height: 1.9;
}
.cta__form {
  max-width: 520px;
  margin: 0 auto 32px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 36px 32px;
}
.cta__form .hs-form-frame { display: block; }
.cta__trust {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px 24px;
}
.cta__trust li {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}
.cta__trust li::before { content: '— '; }

/* ============================================
   フッター
   ============================================ */
.footer {
  background: #060E1A;
  padding: 40px 32px;
  color: rgba(255,255,255,0.35);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 32px;
}
.footer__logo {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.7);
}
.footer__nav { display: flex; gap: 20px; margin-left: auto; }
.footer__nav a { font-size: 0.8125rem; transition: color 0.15s; }
.footer__nav a:hover { color: rgba(255,255,255,0.7); }
.footer__copy {
  width: 100%;
  font-size: 0.75rem;
  text-align: center;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* ============================================
   スクロールフェードイン
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.fade-in.is-visible { opacity: 1; transform: translateY(0); }

/* ============================================
   レスポンシブ
   ============================================ */
@media (max-width: 900px) {
  .risk__item { grid-template-columns: 1fr; gap: 10px; }
  .solution__content { grid-template-columns: 1fr; }
  .feature-item { grid-template-columns: 80px 1fr; gap: 0 24px; }
  .feature-item__num { font-size: 3.5rem; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .hero { padding: 112px 20px 72px; }
  .hero__title { font-size: clamp(1.875rem, 7vw, 2.5rem); }

  .problem { padding: 72px 20px; }
  .problem__item { grid-template-columns: 56px 1fr; gap: 0 16px; padding: 28px 0; }
  .problem__num { font-size: 1.75rem; }
  .problem__text { font-size: 0.9375rem; }
  .problem__text strong { font-size: 1rem; }

  .risk { padding: 72px 20px; }
  .features { padding: 72px 20px; }
  .feature-item { grid-template-columns: 1fr; gap: 12px; padding: 36px 0; }
  .feature-item__num { font-size: 2.5rem; -webkit-text-stroke: 0; color: var(--border); }

  .compare { padding: 72px 20px; }
  .advisors { padding: 72px 20px; }
  .flow { padding: 72px 20px; }
  .faq { padding: 72px 20px; }
  .cta { padding: 72px 20px; }

  .header__nav { display: none; }
  .footer__nav { display: none; }
  .footer__inner { justify-content: center; }

  .sp-only { display: inline; }
}

@media (max-width: 480px) {
  .hero__trust { flex-direction: column; }
  .cta__trust  { flex-direction: column; align-items: center; }
  .advisors__grid { grid-template-columns: repeat(2, 1fr); }
}