/* AIKATA 総合トップ（/aikata。2026-10-22 新規）
   見た目の型は AIKATA WEBマーケティングチームの最初の画面（hero.css）とそろえる：薄い青の面＋方眼、青い面、朱色は申し込みボタンだけ */

html body.aikata .bt-hero, html body.aikata .bt-products, html body.aikata .bt-services, html body.aikata .bt-proof {
  --bt-ink: #1b1e2b;
  --bt-sub: #3d4455;
  --bt-muted: #55607a;
  --bt-blue: #0f64ae;
  --bt-cta: #d9480f;
  --bt-line: #e2e6ec;
  --bt-ease: cubic-bezier(.43, .05, .17, 1);
  color: var(--bt-ink);
}

/* 1. ブランドの説明 */
html body.aikata .bt-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: calc(var(--header211, 100px) * -1);
  padding: calc(var(--header211, 100px) + clamp(40px, 5vw, 80px)) 0 clamp(56px, 6vw, 96px);
  background: linear-gradient(180deg, #e3eef9 0%, #eef5fc 70%, #fff 100%);
}
html body.aikata .bt-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(15, 100, 174, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(15, 100, 174, .08) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 90%);
  mask-image: linear-gradient(180deg, #000, transparent 90%);
}
html body.aikata .bt-hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
html body.aikata .bt-eyebrow { margin: 0 0 18px; font: 700 15px/1.6 'Noto Sans JP', sans-serif; letter-spacing: .06em; color: var(--bt-blue); }
html body.aikata .bt-title { margin: 0; font: 700 clamp(30px, 3.2vw, 48px)/1.5 'Noto Sans JP', sans-serif; letter-spacing: .02em; color: var(--bt-ink); text-align: left; }
html body.aikata .bt-lead { margin: 24px 0 0; max-width: 34em; font-size: clamp(16px, 1.1vw, 18px); line-height: 2; color: var(--bt-sub); }
html body.aikata .bt-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
html body.aikata .bt-btn { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 58px; padding: 0 28px; border-radius: 999px; font: 700 18px/1.2 'Noto Sans JP', sans-serif; text-decoration: none; transition: background-color .4s var(--bt-ease), color .4s var(--bt-ease); }
html body.aikata .bt-btn.is-primary { background: var(--bt-cta); color: #fff; }
html body.aikata .bt-btn.is-primary:hover { background: #b83c0c; }
html body.aikata .bt-btn.is-ghost { background: #fff; color: var(--bt-ink); box-shadow: inset 0 0 0 1.5px var(--bt-ink); font-size: 16px; }
html body.aikata .bt-btn.is-ghost:hover { background: var(--bt-ink); color: #fff; }
html body.aikata .bt-hero-fig { margin: 0; border-radius: 24px; overflow: hidden; background: #fff; box-shadow: 0 24px 48px rgba(15, 50, 90, .14); }
html body.aikata .bt-hero-fig img { display: block; width: 100%; height: auto; }

/* 見出しの型（セクション共通） */
html body.aikata .bt-products, html body.aikata .bt-services, html body.aikata .bt-proof { padding: clamp(64px, 8vw, 112px) 0; }
html body.aikata .bt-sec-eyebrow { margin: 0 0 8px; font: 700 15px/1.6 'Barlow', sans-serif; letter-spacing: .12em; color: var(--bt-blue); }
html body.aikata .bt-sec-title { margin: 0 0 clamp(24px, 3vw, 36px); font: 700 clamp(26px, 2.8vw, 40px)/1.5 'Noto Sans JP', sans-serif; letter-spacing: .04em; color: var(--bt-ink); text-align: left; }
html body.aikata .bt-sec-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px clamp(32px, 5vw, 80px); align-items: end; margin-bottom: clamp(24px, 3vw, 36px); }
html body.aikata .bt-sec-head .bt-sec-title { margin: 0; }
html body.aikata .bt-sec-lead { margin: 0; font-size: 15px; line-height: 1.9; color: var(--bt-sub); }

/* 2. 商品：2つを大きく */
html body.aikata .bt-products { padding-top: clamp(24px, 3vw, 40px); }
html body.aikata .bt-prod-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin: 0; padding: 0; list-style: none; }
html body.aikata .bt-prod { display: flex; flex-direction: column; margin: 0; padding: clamp(28px, 3vw, 40px); border-radius: 28px; }
html body.aikata .bt-prod.is-team { background: var(--bt-blue); color: #fff; }
html body.aikata .bt-prod.is-system, html body.aikata .bt-prod.is-one { background: #f4f6f9; border: 1px solid var(--bt-line); }
html body.aikata .bt-prod-label { margin: 0 0 8px; font-size: 14px; font-weight: 700; opacity: .9; }
html body.aikata .bt-prod h3 { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 0 0 14px; font: 700 clamp(24px, 2.4vw, 32px)/1.4 'Noto Sans JP', sans-serif; color: inherit; text-align: left; }
html body.aikata .bt-soon { padding: 3px 12px; border-radius: 999px; background: var(--bt-ink); color: #fff; font-size: 13px; font-weight: 700; line-height: 1.6; }
html body.aikata .bt-prod-text { margin: 0; font-size: 15px; line-height: 1.95; opacity: .95; }
html body.aikata .bt-prod-price { margin: 20px 0 0; line-height: 1.2; }
html body.aikata .bt-prod-price b { font: 800 clamp(34px, 3vw, 44px)/1 'Barlow', sans-serif; }
html body.aikata .bt-prod-price small { margin-left: 4px; font-size: 14px; font-weight: 700; }
html body.aikata .bt-prod-link { display: inline-flex; align-items: center; gap: 10px; align-self: flex-start; margin-top: auto; padding-top: 24px; font-size: 16px; font-weight: 700; color: inherit; text-decoration: underline; text-underline-offset: 5px; }
html body.aikata .bt-prod-link span { transition: transform .4s var(--bt-ease); }
html body.aikata .bt-prod-link:hover span { transform: translateX(4px); }

/* 2-2. 必要な分だけ頼む：サービスによる3つの方法（2026-10-22 午後） */
html body.aikata .bt-way-list { display: grid; gap: 10px; margin: 20px 0 0; padding: 0; list-style: none; }
html body.aikata .bt-way-list li { margin: 0; }
html body.aikata .bt-way-list a { display: grid; gap: 2px; padding: 14px 16px; border-radius: 16px; background: #fff; color: var(--bt-ink); text-decoration: none; transition: box-shadow .4s var(--bt-ease); }
html body.aikata .bt-way-list a:hover { box-shadow: 0 0 0 2px var(--bt-blue); }
html body.aikata .bt-way-for { font-size: 13px; font-weight: 700; color: var(--bt-blue); }
html body.aikata .bt-way-list b { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 17px; line-height: 1.5; }
html body.aikata .bt-way-list .bt-soon { font-size: 12px; padding: 1px 10px; }
html body.aikata .bt-way-text { font-size: 14px; line-height: 1.7; color: var(--bt-sub); }

/* 3. サービス：カード */
html body.aikata .bt-services { background: #f4f6f9; }
html body.aikata .bt-svc-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin: 0; padding: 0; list-style: none; }
html body.aikata .bt-svc-list > li { margin: 0; }
html body.aikata .bt-svc { display: flex; flex-direction: column; gap: 8px; height: 100%; box-sizing: border-box; padding: 22px 22px 20px; border-radius: 20px; background: #fff; color: var(--bt-ink); text-decoration: none; transition: box-shadow .4s var(--bt-ease); }
html body.aikata .bt-svc:hover { box-shadow: 0 0 0 2px var(--bt-blue); }
html body.aikata .bt-svc-name { display: flex; align-items: center; justify-content: space-between; font-size: 18px; font-weight: 700; line-height: 1.5; }
html body.aikata .bt-svc-name i { font-style: normal; color: var(--bt-blue); transition: transform .4s var(--bt-ease); }
html body.aikata .bt-svc:hover .bt-svc-name i { transform: translateX(4px); }
html body.aikata .bt-svc-desc { font-size: 14px; line-height: 1.75; color: var(--bt-sub); }
html body.aikata .bt-svc-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 6px; }
html body.aikata .bt-svc-tags em { padding: 3px 10px; border-radius: 999px; background: #eef5fc; color: var(--bt-ink); font-size: 12px; font-style: normal; font-weight: 700; line-height: 1.6; }
html body.aikata .bt-svc-tags em.is-solo, html body.aikata .bt-svc-tags em.is-system { background: var(--bt-blue); color: #fff; }

/* 4. 実績 */
html body.aikata .bt-proof-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin: 0; padding: 0; list-style: none; }
html body.aikata .bt-proof-list li { display: flex; flex-direction: column; gap: 8px; margin: 0; padding: 24px; border-radius: 20px; background: var(--bt-blue); color: #fff; }
html body.aikata .bt-proof-list span { font-size: 14px; font-weight: 700; line-height: 1.6; opacity: .92; }
html body.aikata .bt-proof-list b { font: 800 clamp(24px, 2.2vw, 30px)/1.3 'Barlow', 'Noto Sans JP', sans-serif; }
html body.aikata .bt-proof-list i { margin: 0 6px; font-style: normal; font-size: .7em; }
html body.aikata .bt-proof-more { margin: 20px 0 0; }
html body.aikata .bt-proof-more a { display: inline-flex; gap: 8px; color: var(--bt-blue); font-weight: 700; text-decoration: underline; text-underline-offset: 4px; }

@media (max-width: 960px) {
  html body.aikata .bt-hero-grid, html body.aikata .bt-sec-head, html body.aikata .bt-prod-list, html body.aikata .bt-proof-list { grid-template-columns: minmax(0, 1fr); }
  html body.aikata .bt-hero { padding-top: calc(var(--header211, 80px) + 24px); }
}
@media (max-width: 640px) {
  html body.aikata .bt-title { font-size: clamp(26px, 7vw, 32px); }
  html body.aikata .bt-br { display: none; }
  html body.aikata .bt-btn { width: 100%; }
}