/* else(エルス) サイト共通スタイル */
:root {
  --ink: #22252a;
  --ink-weak: #5a5f66;
  --paper: #ffffff;
  --paper-dim: #f5f6f5;
  --ai: #24425f; /* 藍 — 唯一のアクセント */
  --ai-deep: #1b3349;
  --line: #d8dadd;
  --radius: 2px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Zen Kaku Gothic New', 'Hiragino Kaku Gothic ProN', sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.9;
  font-size: 16px;
  letter-spacing: 0.02em;
}

h1,
h2,
h3,
.serif {
  font-family: 'Shippori Mincho', 'Hiragino Mincho ProN', serif;
  font-weight: 600;
  line-height: 1.5;
}

a {
  color: var(--ai);
}

img {
  max-width: 100%;
}

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ヘッダー */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.site-header .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 20px;
  padding-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.brand {
  font-family: 'Helvetica Neue', 'UltraLight', Helvetica, Arial, sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.12em;
  color: #ff4500;
  text-decoration: none;
}
.brand small {
  font-size: 0.75rem;
  color: var(--ink-weak);
  margin-left: 0.75em;
  letter-spacing: 0.08em;
}
.site-nav {
  display: flex;
  gap: 1.5em;
  flex-wrap: wrap;
}
.site-nav a {
  text-decoration: none;
  color: var(--ink);
  font-size: 0.9rem;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover {
  border-bottom-color: var(--ai);
}
.site-nav a[aria-current='page'] {
  color: var(--ai);
  border-bottom-color: var(--ai);
}

/* トップ画像 */
.hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 560px;
  overflow: hidden;
  background: var(--paper-dim);
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-visual .hero-mark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(42%, 340px);
  height: auto;
  object-fit: contain;
  pointer-events: none;
}

/* ヒーロー（トップ） */
.hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: stretch;
  padding-top: 72px;
  padding-bottom: 64px;
}
.hero-copy h1 {
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  margin-bottom: 0.9em;
}
.hero-copy p {
  max-width: 34em;
  color: var(--ink-weak);
}
.hero-copy .hero-facts {
  margin-top: 2em;
  display: flex;
  gap: 2.5em;
  flex-wrap: wrap;
}
.fact {
  border-top: 2px solid var(--ai);
  padding-top: 0.5em;
}
.fact strong {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.5rem;
  display: block;
  color: var(--ink);
}
.fact span {
  font-size: 0.8rem;
  color: var(--ink-weak);
}

.tategaki {
  writing-mode: vertical-rl;
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  letter-spacing: 0.35em;
  color: var(--ai);
  border-left: 1px solid var(--line);
  padding-left: 32px;
  align-self: center;
  min-height: 14em;
}

/* セクション共通 */
.section {
  padding-top: 64px;
  padding-bottom: 64px;
}
.section + .section {
  border-top: 1px solid var(--line);
}
.section > .wrap > h2 {
  font-size: 1.4rem;
  margin-bottom: 1.6em;
}
.section > .wrap > h2::after {
  content: '';
  display: block;
  width: 2.5em;
  height: 2px;
  background: var(--ai);
  margin-top: 0.5em;
}
.lead {
  max-width: 36em;
  color: var(--ink-weak);
  margin-bottom: 2em;
}

/* サービス3列 */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service-grid article {
  background: var(--paper);
  padding: 28px 24px;
}
.service-grid h3 {
  font-size: 1.1rem;
  margin-bottom: 0.8em;
}
.service-grid p {
  font-size: 0.92rem;
  color: var(--ink-weak);
}

/* 料金表 */
.price-block {
  border: 1px solid var(--line);
  max-width: 640px;
}
.price-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 20px 24px;
  gap: 16px;
  flex-wrap: wrap;
}
.price-row + .price-row {
  border-top: 1px solid var(--line);
}
.price-row .label {
  font-size: 0.95rem;
}
.price-row .label small {
  display: block;
  color: var(--ink-weak);
  font-size: 0.8rem;
}
.price-row .amount {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.7rem;
  color: var(--ai);
  white-space: nowrap;
}
.price-row .amount small {
  font-size: 0.8rem;
  color: var(--ink-weak);
  margin-left: 0.4em;
}
.price-note {
  font-size: 0.85rem;
  color: var(--ink-weak);
  margin-top: 1em;
}
.price-includes {
  margin: 1.2em 0 0 0;
  padding-left: 1.4em;
  font-size: 0.92rem;
}
.price-includes li {
  margin-bottom: 0.3em;
}

/* 業種リスト */
/* 会社概要テーブル */
.company-table {
  border-collapse: collapse;
  width: 100%;
  max-width: 640px;
  font-size: 0.95rem;
}
.company-table th,
.company-table td {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 14px 12px;
  text-align: left;
  vertical-align: top;
}
.company-table th {
  width: 9em;
  font-weight: 500;
  color: var(--ink-weak);
  white-space: nowrap;
}

/* 連絡ボタン */
.contact-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 2em;
}
.btn {
  display: inline-block;
  padding: 14px 32px;
  text-decoration: none;
  font-size: 0.95rem;
  border-radius: var(--radius);
  border: 1px solid var(--ai);
}
.btn-primary {
  background: var(--ai);
  color: #fff;
}
.btn-primary:hover {
  background: #1b3349;
}
.btn-ghost {
  color: var(--ai);
  background: var(--paper);
}
.btn-ghost:hover {
  background: var(--paper-dim);
}

/* CTA帯 */
.cta-band {
  background: var(--paper-dim);
}
.cta-band .wrap {
  padding-top: 48px;
  padding-bottom: 48px;
}
.cta-band h2 {
  font-size: 1.25rem;
  margin-bottom: 0.6em;
}
.cta-band p {
  color: var(--ink-weak);
  font-size: 0.95rem;
}

/* フッター */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 40px;
  font-size: 0.85rem;
  color: var(--ink-weak);
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 48px;
    padding-bottom: 48px;
  }
  .tategaki {
    display: none;
  }
  .section {
    padding-top: 48px;
    padding-bottom: 48px;
  }
  /* 縦長の画面ではトップ画像を縦に伸ばす */
  .hero-visual {
    aspect-ratio: 4 / 3;
  }
  /* 2列だと空セルが灰色で残るため1列に切り替える */
  .service-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .wrap {
    padding-left: 20px;
    padding-right: 20px;
  }
  .site-header .wrap {
    padding-top: 16px;
    padding-bottom: 16px;
  }
  .site-nav {
    gap: 1.1em;
    row-gap: 0.6em;
  }
  .hero-visual {
    aspect-ratio: 3 / 2;
    max-height: 34vh;
  }
  .hero-copy .hero-facts {
    gap: 1.5em 2em;
  }
  .fact {
    flex: 1 1 44%;
  }
  /* 指で押しやすい幅に */
  .contact-actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
  .price-row {
    flex-direction: column;
    gap: 4px;
  }
  .price-row .amount {
    font-size: 1.5rem;
  }
  .company-table th {
    width: 7em;
    padding-right: 8px;
  }
  .site-footer .wrap {
    flex-direction: column;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}