/* ==========================================================
   spinBase(AI導入支援):Addness公式の構成をspin roughの言葉で取り込む(2026-10-18)
   冒頭 → 第二の脳(AIだけ/つなぐと) → POINT 01〜04 → 見える範囲 → 使い方の例 → spin roughが入ること → FAQ
   ========================================================== */
.svc-sec--dark { background: #111; color: #fff; }
.svc-heading.is-light p, .svc-heading.is-light h2 { color: #fff; }
.svc-heading.is-center { text-align: center; }
.svc-heading.is-center span { max-width: 40em; margin-left: auto; margin-right: auto; }
.bs-vs-tag { margin: 0; display: inline-flex; align-items: baseline; gap: 10px; padding: 4px 12px; border-radius: 999px; background: #e9e9e9; font-size: 13px; font-weight: 700; }
.bs-vs-tag b { font-weight: 700; }
.is-after > .bs-vs-tag { background: #111; color: #fff; }

/* 第二の脳 */
.bs-vs { display: grid; gap: 24px; margin-top: 48px; }
@media (min-width: 900px) { .bs-vs { grid-template-columns: 1fr 1.25fr; align-items: center; } }
.bs-vs-card { margin: 0; padding: 28px; border: 1px solid #ddd; border-radius: 12px; text-align: center; }
.bs-vs-card.is-after { border: 2px solid #111; }
.bs-vs-card svg { width: 100%; max-width: 320px; margin: 20px auto 8px; display: block; }
.bs-vs-card.is-after svg { max-width: 380px; }
.bs-vs-card figcaption { font-size: 14px; line-height: 1.7; color: #444; }

/* POINT共通 */
.bs-point-no { margin: 0; font-family: "Jost", sans-serif; font-size: 14px; letter-spacing: .14em; color: #666; }
.bs-point-no b { display: block; font-size: 44px; font-weight: 500; line-height: 1; color: #111; letter-spacing: 0; }
.bs-point-h { margin: 16px 0 0; font-size: clamp(22px, 2.6vw, 32px); font-weight: 700; line-height: 1.5; }
.bs-point-lead { margin: 16px 0 0; max-width: 40em; font-size: 15px; line-height: 2; color: #444; }

/* 01 入れ子+3段 */
.bs-p1 { display: grid; gap: 40px; margin-top: 48px; align-items: center; }
@media (min-width: 900px) { .bs-p1 { grid-template-columns: 1fr 1fr; } }
.bs-nest { margin: 0 auto; width: min(400px, 100%); }
.bs-nest-1, .bs-nest-2, .bs-nest-3 { display: grid; justify-items: center; align-content: start; border-radius: 50%; text-align: center; }
.bs-nest-1 { aspect-ratio: 1; padding-top: 9%; background: #fff; border: 1px solid #ccc; }
.bs-nest-2 { width: 72%; aspect-ratio: 1; margin-top: 4%; padding-top: 10%; background: #e6e6e6; }
.bs-nest-3 { width: 60%; aspect-ratio: 1; margin-top: 6%; place-content: center; background: #111; color: #fff; }
.bs-nest small { font-size: 12px; color: #666; }
.bs-nest-3 small { color: #ccc; }
.bs-nest b { font-size: clamp(13px, 1.4vw, 16px); line-height: 1.5; }
.bs-nest figcaption { margin-top: 10px; text-align: center; font-size: 12px; color: #666; }
.bs-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; position: relative; }
.bs-steps li { position: relative; padding: 0 0 28px 64px; }
.bs-steps li::before { content: ""; position: absolute; left: 21px; top: 44px; bottom: 0; width: 2px; background: #ccc; }
.bs-steps li:last-child::before { display: none; }
.bs-steps span { position: absolute; left: 0; top: 0; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: #fff; border: 1px solid #111; font-family: "Jost", sans-serif; font-size: 18px; }
.bs-steps li:last-child span { background: #111; color: #fff; }
.bs-who { margin: 0; font-size: 12px; color: #666; }
.bs-steps h3 { margin: 2px 0 0; font-size: 18px; font-weight: 700; }
.bs-steps p:last-child { margin: 4px 0 0; font-size: 14px; color: #444; }

/* 02 会話の前と後 */
.bs-chat { display: grid; gap: 24px; margin-top: 48px; align-items: start; }
@media (min-width: 900px) { .bs-chat { grid-template-columns: 1fr 1.2fr; } }
.bs-chat-card { margin: 0; padding: 28px; border: 1px solid #ddd; border-radius: 12px; background: #fafafa; display: grid; gap: 14px; }
.bs-chat-card.is-after { border: 2px solid #111; background: #fff; }
.bs-bubble { max-width: 88%; padding: 12px 16px; border-radius: 14px; font-size: 14px; line-height: 1.8; }
.bs-bubble.is-me { justify-self: end; background: #111; color: #fff; border-bottom-right-radius: 4px; }
.bs-bubble.is-ai { justify-self: start; background: #fff; border: 1px solid #ccc; border-bottom-left-radius: 4px; }
.is-after .bs-bubble.is-ai { border-color: #111; }
.bs-done { list-style: none; margin: 4px 0 0; padding: 12px 16px; border-left: 2px solid #ccc; display: grid; gap: 6px; font-size: 13px; color: #555; }
.bs-done li::before { content: "✓ "; color: #111; }
.bs-done li.is-now { color: #111; font-weight: 700; }
.bs-done li.is-now::before { content: "● "; color: #FE8E15; }
.bs-chat-card figcaption { font-size: 12px; color: #666; }

/* 03 育つ */
.bs-grow { list-style: none; margin: 48px 0 0; padding: 0; display: grid; gap: 16px; align-items: end; }
@media (min-width: 900px) { .bs-grow { grid-template-columns: 1fr 1fr 1.3fr; } }
.bs-grow li { padding: 24px; border-radius: 12px; background: #fff; border: 1px solid #ddd; display: grid; gap: 14px; }
.bs-grow li.is-year { background: #111; color: #fff; border-color: #111; }
.bs-grow-when { margin: 0; font-size: 14px; font-weight: 700; }
.bs-grow-stack { display: grid; grid-template-columns: repeat(10, 1fr); gap: 4px; min-height: 12px; }
.bs-grow-stack i { aspect-ratio: 2 / 1; border-radius: 2px; background: #bdbdbd; }
.bs-grow-stack i:nth-child(3n+2) { background: #8a8a8a; }
.bs-grow-stack i:nth-child(3n) { background: #d9d9d9; }
.is-year .bs-grow-stack i { background: #666; } .is-year .bs-grow-stack i:nth-child(3n+2) { background: #aaa; } .is-year .bs-grow-stack i:nth-child(3n) { background: #444; }
.bs-grow-ai { margin: 0; padding: 12px 14px; border-radius: 10px; background: #f2f2f2; font-size: 14px; line-height: 1.8; }
.is-year .bs-grow-ai { background: #2a2a2a; }
.bs-grow-ai small { display: block; font-size: 11px; color: #666; }
.is-year .bs-grow-ai small { color: #FE8E15; }
.bs-legend { margin: 16px 0 0; font-size: 12px; color: #555; display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; }
.bs-legend span { display: inline-block; width: 16px; height: 8px; border-radius: 2px; margin-right: -8px; }
.bs-legend .k1 { background: #bdbdbd; } .bs-legend .k2 { background: #8a8a8a; } .bs-legend .k3 { background: #d9d9d9; }
.bs-legend em { font-style: normal; color: #777; }

/* 04 道具がひとつに */
.bs-tools { display: grid; gap: 20px; margin-top: 40px; align-items: center; }
@media (min-width: 900px) { .bs-tools { grid-template-columns: 1.2fr auto 1fr; } }
.bs-tools-before { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.bs-tools-before li { padding: 14px 8px; border: 1px dashed #aaa; border-radius: 8px; text-align: center; font-size: 13px; color: #444; }
.bs-tools-arrow { margin: 0; text-align: center; font-family: "Jost", sans-serif; font-size: 32px; }
@media (max-width: 899px) { .bs-tools-arrow { transform: rotate(90deg); } }
.bs-tools-after { display: grid; gap: 8px; padding: 28px; border-radius: 12px; background: #111; color: #fff; text-align: center; }
.bs-tools-after b { font-size: 20px; }
.bs-tools-after span { font-size: 13px; color: #ccc; }

/* 見える範囲 */
.bs-perm-grid { display: grid; gap: 32px; margin-top: 40px; align-items: center; }
@media (min-width: 900px) { .bs-perm-grid { grid-template-columns: 1fr 1fr; } }
.bs-perm-text { margin: 0; font-size: 15px; line-height: 2; color: rgba(255,255,255,.85); }
.bs-perm-fig { margin: 0; display: grid; gap: 12px; }
.bs-perm-who { display: flex; justify-content: center; align-items: center; gap: 12px; font-weight: 700; }
.bs-perm-who span:not(:nth-child(2)) { padding: 8px 18px; border-radius: 999px; background: #fff; color: #111; }
.bs-perm-ok, .bs-perm-ng { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 16px; border-radius: 10px; }
.bs-perm-ok { border: 2px solid #fff; }
.bs-perm-ng { border: 1px dashed rgba(255,255,255,.35); color: rgba(255,255,255,.5); }
.bs-perm-ok small, .bs-perm-ng small { width: 100%; font-size: 12px; }
.bs-perm-ok b, .bs-perm-ng b { padding: 6px 12px; border-radius: 6px; background: rgba(255,255,255,.12); font-size: 13px; }

/* 使い方の例 */
.bs-case-grid { display: grid; gap: 24px; margin-top: 40px; }
@media (min-width: 900px) { .bs-case-grid { grid-template-columns: 1fr 1fr; } }
.bs-case { padding: 28px; border: 1px solid #ddd; border-radius: 12px; }
.bs-case h3 { margin: 14px 0 0; font-size: 17px; line-height: 1.6; }
.bs-case dl { margin: 16px 0 0; }
.bs-case dt { margin-top: 14px; font-size: 13px; font-weight: 700; }
.bs-case dt:nth-of-type(2) { color: #B35400; }
.bs-case dd { margin: 6px 0 0; }
.bs-case ul { margin: 0; padding-left: 1.1em; font-size: 14px; line-height: 1.9; color: #444; }

/* spin roughが入ること */
.bs-role-steps { list-style: none; margin: 40px 0 0; padding: 0; display: grid; gap: 1px; background: #ccc; border: 1px solid #ccc; }
@media (min-width: 761px) { .bs-role-steps { grid-template-columns: repeat(3, 1fr); } }
.bs-role-steps li { padding: 24px; background: #fff; }
.bs-role-steps span { font-family: "Jost", sans-serif; font-size: 22px; }
.bs-role-steps h3 { margin: 8px 0 0; font-size: 17px; font-weight: 700; }
.bs-role-steps p { margin: 8px 0 0; font-size: 14px; line-height: 1.8; color: #444; }

/* FAQ */
.bs-faq-list { margin-top: 32px; border-top: 1px solid #111; }
.bs-faq-list details { border-bottom: 1px solid #ddd; }
.bs-faq-list summary { cursor: pointer; padding: 20px 40px 20px 0; position: relative; list-style: none; font-size: 16px; font-weight: 700; }
.bs-faq-list summary::-webkit-details-marker { display: none; }
.bs-faq-list summary::after { content: "+"; position: absolute; right: 8px; top: 50%; transform: translateY(-50%); font-family: "Jost", sans-serif; font-size: 22px; }
.bs-faq-list details[open] summary::after { content: "−"; }
.bs-faq-list details p { margin: 0 0 20px; font-size: 15px; line-height: 2; color: #444; }
/* 札の2語目は改行して読ませる(スマホで「つなぐと/続きから」が割れないように) */
.bs-vs-tag { display: inline-block; border-radius: 10px; line-height: 1.6; }
.bs-vs-tag b { display: block; font-size: 15px; }

/* 2026-10-19 必須6:スマホで「やることの管理」「資料の保存場所」が語中で折れないよう2列にする */
@media (max-width:899px) { .bs-tools-before { grid-template-columns: repeat(2, 1fr); } }