/* =========================================================
   MOエンタープライズ サイト｜下層ページ共通スタイル
   （トップの style.css を読み込んだうえで追加で使う）
   ========================================================= */

/* ===== 下層ページ ヘッダー ===== */
.subhead {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.subhead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}
.subnav-list {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.88rem;
  font-weight: 500;
}
.subnav-list a { color: var(--color-text-muted); }
.subnav-list a:hover { color: var(--color-primary); text-decoration: none; }
.subnav-list a[aria-current="page"] { color: var(--color-primary); font-weight: 700; }
.subnav-cta {
  padding: 9px 18px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff !important;
}
.subnav-cta:hover { background: var(--color-primary-dark); }

.subnav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: #fff;
  position: relative;
  cursor: pointer;
}
.subnav-toggle span,
.subnav-toggle span::before,
.subnav-toggle span::after {
  content: "";
  position: absolute;
  left: 12px;
  width: 20px; height: 2px;
  background: var(--color-text);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}
.subnav-toggle span { top: 21px; }
.subnav-toggle span::before { top: -6px; }
.subnav-toggle span::after { top: 6px; }
.subnav-toggle[aria-expanded="true"] span { background: transparent; }
.subnav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.subnav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .subnav-toggle { display: block; z-index: 2; }
  .subnav-list {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    padding: 8px 0;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.2s var(--ease), opacity 0.2s var(--ease), visibility 0.2s;
  }
  .subnav-list.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .subnav-list li { border-top: 1px solid var(--color-border); }
  .subnav-list li:first-child { border-top: 0; }
  .subnav-list a { display: block; padding: 15px 24px; }
  .subnav-cta { border-radius: 0; text-align: center; margin: 8px 24px 4px; padding: 13px; }
}

/* ===== ページヒーロー / パンくず ===== */
.page-hero {
  background:
    radial-gradient(900px 320px at 12% -20%, rgba(26, 86, 196, 0.10), transparent 60%),
    radial-gradient(700px 300px at 100% 0%, rgba(10, 168, 154, 0.09), transparent 55%),
    var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: clamp(40px, 7vw, 72px) 0;
}
.breadcrumb { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 14px; }
.breadcrumb a { color: var(--color-text-muted); }
.page-eyebrow {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--color-accent-ink); margin-bottom: 10px;
}
.page-title {
  font-size: clamp(1.6rem, 4.4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.4;
}
.page-lead {
  margin-top: 16px;
  color: var(--color-text-muted);
  max-width: 60ch;
  font-size: 1.02rem;
}
.page-hero .btn { margin-top: 28px; }

/* ===== サービスLP：課題ブロック ===== */
.pain-list { display: grid; gap: 10px; margin-top: 8px; }
.pain-list li {
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 0.94rem;
  color: var(--color-text-muted);
}
.section-alt .pain-list li { background: var(--color-bg); }

/* ===== 特徴（アイコンなし・番号つき） ===== */
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 640px) { .feature-grid { grid-template-columns: 1fr; } }
.feature {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px 26px;
}
.section-alt .feature { background: var(--color-bg); }
.feature h3 { font-size: 1.02rem; margin-bottom: 8px; }
.feature p { font-size: 0.92rem; color: var(--color-text-muted); }

/* ===== 事例（サンプル）カード ===== */
.example {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px 26px;
}
.section-alt .example { background: var(--color-bg); }
.example-tag {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em;
  color: var(--color-accent-ink);
}
.example h3 { font-size: 1.05rem; margin: 6px 0 10px; }
.example p { font-size: 0.92rem; color: var(--color-text-muted); }
.example .work-link { margin-top: 14px; }

/* ===== 記事プレビュー（実寸 iframe） ===== */
.preview-frame {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-bg-alt);
}
.preview-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--color-border);
  background: #fff;
  font-size: 0.78rem; color: var(--color-text-muted);
}
.preview-bar i {
  width: 9px; height: 9px; border-radius: 50%; background: #cdd8ea; flex: none;
}
.preview-frame iframe {
  display: block;
  width: 100%;
  height: 420px;
  border: 0;
  background: #fff;
}
.preview-frame .preview-open {
  display: block;
  padding: 11px 14px;
  border-top: 1px solid var(--color-border);
  background: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  text-align: center;
}
.preview-frame .preview-open:hover { text-decoration: none; background: var(--color-bg-alt); }

/* ===== 記事（ブログ）本文 ===== */
.article {
  max-width: 720px;
  margin-inline: auto;
  padding: clamp(40px, 7vw, 72px) 24px 20px;
}
.article-meta {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 14px;
}
.article-cat {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em;
  color: var(--color-accent-ink);
  background: rgba(10, 168, 154, 0.1);
  padding: 3px 10px; border-radius: 999px;
}
.article h1 {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  line-height: 1.5;
  font-weight: 700;
}
.article-body {
  margin-top: 32px;
  font-size: 1rem;
  line-height: 2;
}
.article-body > * + * { margin-top: 1.2em; }
.article-body h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 2em;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}
.article-body h3 { font-size: 1.05rem; font-weight: 700; margin-top: 1.6em; }
.article-body ul, .article-body ol { padding-left: 1.4em; }
.article-body li { margin: 6px 0; }
.article-body strong { font-weight: 700; }
.article-body blockquote {
  margin: 1.4em 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--color-accent);
  color: var(--color-text-muted);
}
.article-body .callout {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-size: 0.94rem;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.article-body th, .article-body td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.article-body thead th { background: var(--color-bg-alt); font-size: 0.82rem; color: var(--color-text-muted); }
.article-foot {
  max-width: 720px;
  margin: 40px auto 0;
  padding: 24px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
}
.article-foot p { margin: 0 0 14px; font-size: 0.94rem; color: var(--color-text-muted); }

/* ===== ブログ一覧 ===== */
.post-list { display: grid; gap: 14px; }
.post-item {
  display: block;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px 26px;
  transition: transform 0.15s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}
.post-item:hover {
  text-decoration: none;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #cdd8ea;
}
.post-item .post-meta { font-size: 0.78rem; color: var(--color-text-muted); margin-bottom: 8px; }
.post-item h2 { font-size: 1.12rem; font-weight: 700; color: var(--color-text); }
.post-item p { font-size: 0.9rem; color: var(--color-text-muted); margin-top: 8px; }

/* ===== 簡易見積りツール ===== */
.estimator {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}
.section-alt .estimator { background: var(--color-bg); }
.est-row { margin-bottom: 18px; }
.est-row > span.est-q {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 10px;
}
.est-options { display: flex; flex-wrap: wrap; gap: 8px; }
.est-options label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.86rem;
  cursor: pointer;
  transition: border-color 0.15s var(--ease), background-color 0.15s var(--ease);
}
.est-options label:hover { border-color: var(--color-primary); }
.est-options input { accent-color: var(--color-primary); }
.est-options input:checked + span { font-weight: 700; }
.est-options label:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-accent-soft, rgba(26, 86, 196, 0.07));
}
.est-result {
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--color-border);
}
.est-result-label { font-size: 0.82rem; color: var(--color-text-muted); }
.est-result-fig {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 4px 0;
}
.est-result-term { font-size: 0.86rem; color: var(--color-text-muted); }
.est-note { margin-top: 14px; font-size: 0.8rem; color: var(--color-text-muted); }

/* ===== CTA バンド ===== */
.cta-band {
  background: linear-gradient(150deg, var(--color-primary), var(--color-accent-ink));
  color: #fff;
  border-radius: 18px;
  padding: clamp(34px, 6vw, 54px);
  text-align: center;
}
.cta-band h2 { font-size: clamp(1.3rem, 3.4vw, 1.8rem); font-weight: 700; }
.cta-band p { margin-top: 12px; color: rgba(255, 255, 255, 0.92); }
.cta-band .btn { margin-top: 24px; background: #fff; color: var(--color-primary-dark); border-color: #fff; }
.cta-band .btn:hover { background: #eef3fd; }

/* ===== 下層ページ フッター（トップと同じ .site-footer を利用） ===== */
.subfoot-back {
  text-align: center;
  padding: 28px 24px 0;
  font-size: 0.88rem;
}

/* ===== reveal（下層でも使えるように） ===== */
.js-anim .reveal.reveal--up { transform: translateY(24px); }

/* ===== 動きを減らす設定への配慮 ===== */
@media (prefers-reduced-motion: reduce) {
  .post-item:hover,
  .feature:hover,
  .example:hover { transform: none; }
  .subnav-list { transition: none; }
}