/* AI導入支援・会社概要。既存の色・書体・ナビゲーションを共用する。 */
.ai-home #hero {
  min-height: 720px;
  min-height: clamp(620px, 90svh, 820px);
  padding-top: calc(var(--nav-h) + 140px);
  padding-bottom: 32px;
  flex-direction: column;
  align-items: stretch;
  overflow: hidden;
  isolation: isolate;
  background: var(--ink);
}
.ai-home .hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: stretch;
  justify-content: space-between;
  gap: 48px;
  max-width: 1600px;
}
.ai-home .hero-content { max-width: none; min-width: 0; margin-top: 0; }
.ai-home .hero-h1 {
  font-family: 'DM Sans', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 900;
  font-size: clamp(2.5rem, 13.6vw, 14rem);
  line-height: .96;
  letter-spacing: -.06em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
  margin: 0;
}
.ai-home .hero-h1 > span { display: block; }
.hero-footer { display: flex; flex-wrap: wrap; justify-content: flex-end; align-items: flex-end; gap: 20px 32px; }
.hero-scroll { display: inline-flex; align-items: center; gap: 16px; min-height: 48px; }
.hero-scroll-arrow { display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid rgba(244, 237, 225, .55); border-radius: 50%; font: 24px/1 Arial, sans-serif; }
.hero-scroll-label { display: block; font: 500 11px/1.5 'DM Sans', Arial, sans-serif; letter-spacing: .16em; }
.hero-scroll-text { display: block; font-size: 12px; margin-top: 2px; }
.hero-scroll:focus-visible { outline: 2px solid var(--cream); outline-offset: 6px; }
.ai-title-part { display: inline-block; }
.ai-home .hero-sub { font-size: 16px; max-width: 700px; margin-bottom: 28px; }
.ai-home .hero-eyebrow { font-family: var(--font-body); font-size: 14px; letter-spacing: .06em; }
.hero-atmosphere {
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
}
/* The two brand curves move through one full-bleed atmosphere. */
.hero-flow { position: absolute; inset: 0; }
.hero-flow canvas, .hero-flow img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-flow canvas { position: absolute; inset: 0; opacity: 0; }
.scene-ready .hero-flow canvas { opacity: 1; }
.scene-ready .hero-flow img { visibility: hidden; }
.hero-atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14,26,43,.04) 10%, rgba(14,26,43,.08) 48%, rgba(14,26,43,.3));
}
.ai-text-link { display: inline-block; padding: 12px 0; text-decoration: underline; text-underline-offset: 5px; font-size: 15px; }
.ai-intro { background: var(--cream); color: var(--ink); padding: var(--section-py) 0; scroll-margin-top: var(--nav-h); }
.ai-intro-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; }
.ai-intro h2 { font-family: var(--font-display); font-size: clamp(28px, 3.2vw, 42px); line-height: 1.5; margin-bottom: 22px; }
.ai-intro p { font-size: 16px; line-height: 1.95; max-width: 42em; }
.ai-home .ai-intro p + p { margin-top: 16px; }
.ai-topics { margin: 0; list-style: none; border-top: 1px solid var(--rule-light); }
.ai-topics li { padding: 18px 0; border-bottom: 1px solid var(--rule-light); font-size: 16px; line-height: 1.8; }
.ai-intro .btn { margin-top: 26px; background: var(--ink); color: var(--cream); }
.ai-intro .btn:hover { background: var(--ink-soft); }
.ai-page { padding-top: var(--nav-h); }
.ai-wrap { max-width: 1120px; margin: 0 auto; padding-left: var(--pad-x); padding-right: var(--pad-x); }
.ai-breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; color: var(--on-dark-muted); font-size: 13px; padding-top: 30px; }
.ai-breadcrumb a { text-decoration: underline; text-underline-offset: 4px; }
.ai-page-hero { padding-top: 40px; padding-bottom: 40px; }
.ai-page-hero + .ai-section { padding-top: 12px; }
.ai-kicker { color: var(--accent-text); font-size: 14px; margin-bottom: 20px; }
.ai-page h1 { font-family: var(--font-display); font-size: clamp(32px, 4.4vw, 56px); line-height: 1.45; margin-bottom: 24px; letter-spacing: -.025em; }
.ai-lead { max-width: 46em; color: var(--on-dark-muted); font-size: 17px; line-height: 2; }
.ai-page .hero-actions { margin-top: 32px; }
.ai-jump { display: flex; flex-wrap: wrap; gap: 0 28px; padding: 16px 0 0; margin-top: 24px; border-top: 1px solid var(--rule-dark); font-size: 14px; }
.ai-jump a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: underline; text-underline-offset: 5px; }
.ai-section { padding-top: 64px; padding-bottom: 64px; scroll-margin-top: calc(var(--nav-h) + 24px); }
.ai-section + .ai-section { border-top: 1px solid var(--rule-dark); }
.ai-section h2 { font-family: var(--font-display); font-size: clamp(25px, 3vw, 36px); line-height: 1.5; margin-bottom: 24px; }
.ai-section h3 { font-family: var(--font-display); font-size: 20px; line-height: 1.6; margin-bottom: 12px; }
.ai-section p, .ai-section li, .ai-section dd { font-size: 16px; line-height: 1.95; color: var(--on-dark-muted); }
.ai-section p + p { margin-top: 16px; }
.ai-section a:not(.btn) { text-decoration: underline; text-underline-offset: 4px; }
.ai-section-head { max-width: 46em; margin-bottom: 32px; }
.ai-work-row { display: grid; grid-template-columns: 1fr 1.65fr; gap: 32px; padding: 28px 0; border-top: 1px solid var(--rule-dark); }
.ai-work-row:last-child { border-bottom: 1px solid var(--rule-dark); }
.ai-work-row h3 { margin: 0; }
.ai-note { margin-top: 22px; font-size: 14px !important; }
.ai-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.ai-list { list-style: disc; padding-left: 1.3em; }
.ai-list li + li { margin-top: 10px; }
.ai-steps { list-style: none; counter-reset: steps; }
.ai-steps li { counter-increment: steps; position: relative; padding: 0 0 26px 48px; }
.ai-steps li::before { content: counter(steps); position: absolute; left: 0; top: 0; color: var(--accent-text); font-family: var(--font-body); font-size: 22px; }
.ai-steps strong { display: block; color: var(--cream); font-size: 18px; margin-bottom: 6px; }
.ai-facts { border-top: 1px solid var(--rule-dark); }
.ai-facts > div { display: grid; grid-template-columns: 150px 1fr; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--rule-dark); }
.ai-facts dt { font-size: 16px; font-weight: 700; }
.ai-facts dd { margin: 0; overflow-wrap: anywhere; }
.ai-faq details { border-top: 1px solid var(--rule-dark); padding: 14px 0; }
.ai-faq details:last-child { border-bottom: 1px solid var(--rule-dark); }
.ai-faq summary { cursor: pointer; font-size: 17px; line-height: 1.8; font-weight: 700; min-height: 44px; padding: 6px 0; }
.ai-faq details p { margin-top: 16px; max-width: 48em; }
.ai-consult { background: var(--cream); color: var(--ink); padding: 64px 0; }
.ai-consult h2 { font-family: var(--font-display); font-size: clamp(26px, 3vw, 38px); line-height: 1.5; margin-bottom: 20px; }
.ai-consult p { font-size: 16px; line-height: 1.95; max-width: 46em; }
.ai-consult .btn { margin-top: 26px; background: var(--ink); color: var(--cream); }
.ai-consult .btn:hover { background: var(--ink-soft); }
.ai-home .contact-inner { grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); align-items: start; gap: 28px 48px; padding-top: 72px; padding-bottom: 72px; }
.ai-home .contact-form { grid-column: 2; grid-row: 1 / span 2; background: transparent; border: 0; margin: 0; padding: 0; }
.ai-home .contact-info { grid-column: 1; margin-top: 0; }
.ai-home .contact-h2 { font-size: clamp(28px, 3vw, 38px); line-height: 1.45; }
.ai-home .contact-desc { font-size: 16px; max-width: 46em; }
.ai-home main > section[id], .ai-home .service-card { scroll-margin-top: var(--nav-h); }
.ai-home .services-container, .ai-home #news { padding-top: 64px; padding-bottom: 64px; }
.ai-home .ai-intro { padding: 64px 0; }
.ai-home .field-label { font-size: 14px; }
.ai-home .contact-form input, .ai-home .contact-form select, .ai-home .contact-form textarea { font-size: 16px; border-bottom-color: #B7C5D6; }
.ai-home .contact-form input::placeholder, .ai-home .contact-form textarea::placeholder { opacity: 1; }
.ai-home .contact-form select { padding: 12px 36px 12px 16px; background-position: right 14px center; }
.ai-home .contact-form select option { padding: 10px 16px; }
/* 対応ブラウザでは、開いた選択肢にも同じ余白を適用する。 */
@supports (appearance: base-select) {
  .ai-home .contact-form select,
  .ai-home .contact-form select::picker(select) { appearance: base-select; }
  .ai-home .contact-form select::picker-icon { display: none; }
  .ai-home .contact-form select::picker(select) { background: var(--ink); color: var(--cream); border: 1px solid var(--rule-dark); margin-block: 4px; }
  .ai-home .contact-form select option { min-height: 44px; gap: 12px; align-items: center; }
  .ai-home .contact-form select option::checkmark { order: 1; margin-left: auto; }
  .ai-home .contact-form select option:hover { background: var(--ink-soft); }
  .ai-home .contact-form select option:checked { background: var(--cream); color: var(--ink); }
}
.ai-home .contact-form :is(input, select, textarea):focus { border-bottom-color: var(--cream); }
.ai-home .contact-form :is(input, select, textarea):focus-visible { outline: 2px solid var(--cream); outline-offset: 4px; }
.ai-home .form-note { font-family: var(--font-body); font-size: 13px; }
.ai-form-status { margin-top: 18px; font-size: 15px; line-height: 1.8; color: var(--cream); }
.ai-form-status:empty { display: none; }

/* ホームは一枚の紺色の背景につなぎ、区切りは余白でつくる。 */
.ai-home {
  /* 背景の明るい霧が通過しても、小さな文字を読みやすく保つ。 */
  --on-dark-muted: #E8EDF4;
  --on-dark-faint: #E4EBF4;
  --accent-text: #E0ECFF;
}
.ai-home #about,
.ai-home #services,
.ai-home #news,
.ai-home #contact,
.ai-home #footer,
.ai-home #strip {
  background: transparent;
  border: 0;
  color: var(--cream);
}
.ai-home #header {
  background: transparent;
  border: 0;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.ai-home #header.scrolled {
  background: rgba(14, 26, 43, .82);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}
.ai-home .nav-menu-header,
.ai-home .nav-menu-link,
.ai-home .nav-menu-foot,
.ai-home .footer-grid,
.ai-home .contact-info-row,
.ai-home .contact-info-row:last-child { border: 0; }
.ai-home .nav-cta,
.ai-home .nav-menu-cta {
  background: transparent;
  border: 0;
  border-radius: 0;
  color: var(--cream);
  padding: 8px 0;
}
.ai-home .nav-cta:hover,
.ai-home .nav-menu-cta:hover {
  background: transparent;
  color: var(--accent-text);
  transform: none;
}
.ai-home .nav-links a:hover,
.ai-home .nav-menu-link:hover { color: var(--accent-text); }
.ai-home .label,
.ai-home .label--light { color: var(--on-dark-muted); }
.ai-home .label::before { display: none; }
.ai-home .ai-intro p { color: var(--on-dark-muted); }
.ai-home .ai-topics { border: 0; }
.ai-home .ai-topics li { position: relative; border: 0; padding-left: 20px; }
.ai-home .ai-topics li::before {
  content: "";
  position: absolute;
  top: calc(18px + .9em);
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-text);
  transform: translateY(-50%);
}
.ai-home .ai-intro .btn { background: var(--cream); color: var(--ink); }
.ai-home .ai-intro .btn:hover { background: var(--paper); }
.ai-home #services .services-grid {
  gap: 32px;
  background: transparent;
  border: 0;
  border-radius: 0;
  overflow: visible;
}
.ai-home .service-card { background: transparent; border: 0; padding: 0; }
.ai-home .services-h2,
.ai-home .service-title,
.ai-home .service-more { color: var(--cream); }
.ai-home .service-num,
.ai-home .service-sub,
.ai-home .service-desc { color: var(--on-dark-muted); }
.ai-home .service-more { border: 0; }
.ai-home .service-more:hover { color: var(--accent-text); }
.ai-home .service-visual:not(.service-visual--logo) {
  background: var(--ink-soft);
}
.ai-home .service-visual svg > rect:first-child { fill: transparent; }
.ai-home .service-visual svg { transition: transform 500ms cubic-bezier(.22, 1, .36, 1); }
.ai-home .news-list,
.ai-home .news-item,
.ai-home .news-tag { border: 0; }
/* ニュースは、項目が複数ある場合だけ薄い線で読み分けられるようにする。 */
.ai-home .news-list > li + li { border-top: 1px solid rgba(244, 237, 225, .08); }
.ai-home .footer-version { opacity: 1; }
.ai-page { background: var(--ink); }
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .ai-home .service-card:hover .service-visual svg,
  .ai-home .service-card:focus-within .service-visual svg { transform: translateY(-4px); }
}

/* AI導入支援ページのレイアウト。 */
.ai-service-page .ai-section { padding-block: 64px; }
.ai-service-page .ai-page-hero { padding-bottom: 32px; }
.ai-service-page .ai-lead + .ai-lead { margin-top: 8px; }
.ai-service-page .ai-hero-note { color: var(--on-dark-muted); font-size: 13px; line-height: 1.8; margin-top: 16px; }
.ai-service-page .hero-actions { gap: 12px 28px; }
.ai-service-page .ai-section-head { margin-bottom: 28px; }
.ai-service-page .ai-section-head h2 { margin-bottom: 16px; }
.ai-service-page .ai-service-light { background: var(--cream); color: var(--ink); border-top: 0; }
.ai-service-page .ai-service-light p,
.ai-service-page .ai-service-light li,
.ai-service-page .ai-service-light dd { color: var(--on-light-muted); }
.ai-service-page .ai-example-head,
.ai-service-page .ai-example-row { display: grid; grid-template-columns: 1fr 1.2fr 1fr; gap: 32px; }
.ai-service-page .ai-example-head { padding-block: 12px; font-size: 13px; color: var(--on-light-muted); }
.ai-service-page .ai-example-row { border-top: 1px solid var(--rule-light); padding-block: 24px; align-items: start; }
.ai-service-page .ai-example-row:last-child { border-bottom: 1px solid var(--rule-light); }
.ai-service-page .ai-example-row h3 { margin: 0; font-size: 18px; line-height: 1.7; }
.ai-service-page .ai-example-row p,
.ai-service-page .ai-example-row li { font-size: 15px; line-height: 1.9; }
.ai-service-page .ai-example-result { border-left: 3px solid var(--accent); padding-left: 18px; }
.ai-service-page .ai-example-result li { color: var(--ink); }
.ai-service-page .ai-example-result li + li { margin-top: 4px; }
.ai-service-page .ai-example-label,
.ai-service-page .ai-example-result h4 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.ai-service-page .ai-support-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.ai-service-page .ai-support-grid > article { display: flex; flex-direction: column; border-top: 2px solid var(--accent); padding-top: 20px; }
.ai-service-page .ai-support-grid h3 { font-size: 20px; }
.ai-service-page .ai-support-grid p { font-size: 15px; line-height: 1.95; margin-bottom: 24px; }
.ai-service-page .ai-deliverables { margin-top: auto; border-radius: var(--radius-visual); background: var(--ink-soft); padding: 18px 20px; }
.ai-service-page .ai-deliverables h4 { color: var(--accent-text); font-weight: 500; font-size: 13px; margin-bottom: 8px; }
.ai-service-page .ai-deliverables li { color: var(--cream); font-size: 14px; line-height: 1.9; }
.ai-service-page .ai-deliverables li + li { margin-top: 6px; }
.ai-service-page .ai-partner { display: grid; grid-template-columns: 1fr 1.35fr; gap: 40px; padding-top: 36px; margin-top: 36px; border-top: 1px solid var(--rule-dark); }
.ai-service-page .ai-partner h3 { font-size: 23px; }
.ai-service-page .ai-partner p { font-size: 15px; }
.ai-service-page .ai-tool-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.ai-service-page .ai-tool { display: flex; flex-direction: column; padding: 20px 24px 24px; background: var(--paper); color: var(--ink); border-radius: var(--radius-visual); }
.ai-service-page .ai-tool-brand { display: flex; align-items: center; min-height: 72px; margin-bottom: 12px; }
.ai-service-page .ai-tool-brand img { width: 72px; height: 72px; flex-shrink: 0; object-fit: contain; }
.ai-service-page .ai-tool-brand h3 { margin: 0; font-family: var(--font-body); font-size: 25px; font-weight: 600; letter-spacing: -.025em; }
.ai-service-page .ai-tool h4 { font-size: 14px; line-height: 1.8; margin-bottom: 12px; }
.ai-service-page .ai-tool p { color: var(--on-light-muted); font-size: 14px; line-height: 1.9; margin-bottom: 20px; }
.ai-service-page .ai-tool-link { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 44px; margin-top: auto; font-size: 13px; }
.ai-service-page .ai-tool-link:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; border-radius: 2px; }
.ai-service-page .ai-tool-selection { display: grid; grid-template-columns: 1fr 1.35fr; gap: 40px; margin-top: 28px; }
.ai-service-page .ai-tool-selection h3 { font-size: 18px; margin: 0; }
.ai-service-page .ai-tool-selection p { font-size: 14px; }
.ai-service-page .ai-tool-attribution { font-size: 11px; line-height: 1.8; margin-top: 24px; }
.ai-service-page .ai-pricing-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start; }
.ai-service-page .ai-pricing-grid h3 { font-size: 19px; margin-bottom: 20px; }
.ai-service-page .ai-estimate-terms > div { display: grid; grid-template-columns: 7em minmax(0, 1fr); gap: 20px; padding: 16px 0; border-top: 1px solid var(--rule-light); }
.ai-service-page .ai-estimate-terms > div:last-child { border-bottom: 1px solid var(--rule-light); }
.ai-service-page .ai-estimate-terms dt { font-size: 15px; font-weight: 700; line-height: 1.9; }
.ai-service-page .ai-estimate-terms dd { font-size: 15px; }
.ai-service-page .ai-cost-panel { padding: 28px; background: var(--paper); border-radius: var(--radius-visual); }
.ai-service-page .ai-costs > div + div { border-top: 1px solid var(--rule-light); margin-top: 18px; padding-top: 18px; }
.ai-service-page .ai-costs dt { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.ai-service-page .ai-costs dd { font-size: 14px; }
.ai-service-page .ai-flow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 32px; list-style: none; counter-reset: ai-flow; margin-top: 32px; }
.ai-service-page .ai-flow > li { display: flex; flex-direction: column; counter-increment: ai-flow; padding-top: 58px; position: relative; }
.ai-service-page .ai-flow > li::before { content: counter(ai-flow); display: grid; place-items: center; position: absolute; left: 0; top: 0; width: 38px; height: 38px; border: 1px solid var(--accent); border-radius: var(--radius-visual); font-family: var(--font-display); color: var(--accent-text); font-size: 20px; }
.ai-service-page .ai-flow > li:not(:last-child)::after { content: ""; position: absolute; top: 19px; left: 52px; right: 0; border-top: 1px solid var(--rule-dark); }
.ai-service-page .ai-flow > li:nth-child(3n)::after { display: none; }
.ai-service-page .ai-flow h3 { font-size: 18px; margin-bottom: 12px; }
.ai-service-page .ai-flow p { font-size: 14px; line-height: 1.9; }
.ai-service-page .ai-flow > li > p { margin-bottom: 24px; }
.ai-service-page .ai-flow-preparation { border-top: 1px solid var(--rule-dark); margin-top: auto; padding-top: 14px; }
.ai-service-page .ai-flow-preparation h4 { font-size: 12px; font-weight: 500; color: var(--accent-text); margin-bottom: 6px; }
.ai-service-page .ai-flow-preparation p { font-size: 13px; }
.ai-service-page .ai-faq { padding-bottom: 36px; }
.ai-service-page .ai-faq summary { font-size: 16px; padding-right: 12px; }
.ai-service-page .ai-faq details p { font-size: 15px; margin-top: 8px; }
.ai-service-page #area { border-top: 0; padding-top: 0; padding-bottom: 48px; }
.ai-service-page .ai-service-area { display: grid; grid-template-columns: 1fr 1.65fr; gap: 28px; }
.ai-service-page .ai-service-area h2 { font-size: 19px; margin: 0; }
.ai-service-page .ai-service-area p { font-size: 14px; }
.ai-service-page .ai-consult-note { font-size: 13px; margin-top: 16px; }

@media (max-width: 960px) {
  .ai-home .contact-inner { grid-template-columns: 1fr; }
  .ai-home .contact-form, .ai-home .contact-info { grid-column: auto; grid-row: auto; }
  .ai-home .contact-info { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
  .ai-home .contact-info-row:last-child { border-bottom: 0; }
  .ai-service-page .ai-example-head, .ai-service-page .ai-example-row { grid-template-columns: 1fr 1.1fr 1fr; gap: 24px; }
  .ai-service-page .ai-support-grid { gap: 24px; }
  .ai-service-page .ai-pricing-grid { gap: 28px; }
  .ai-service-page .ai-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
  .ai-service-page .ai-flow > li:nth-child(3n)::after { display: block; }
  .ai-service-page .ai-flow > li:nth-child(2n)::after { display: none; }
}
@media (max-width: 900px) {
  .ai-home #services .services-grid { display: grid; grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 768px) {
  .ai-home #hero { min-height: 520px; min-height: clamp(480px, 68svh, 560px); padding-top: calc(var(--nav-h) + clamp(116px, 18svh, 156px)); padding-bottom: 24px; }
  .ai-home .hero-inner { gap: 40px; }
  .ai-home .hero-content { margin-bottom: 0; }
  .hero-scroll { gap: 12px; }
  .hero-scroll-arrow { width: 44px; height: 44px; }
  .ai-home .ai-intro h2 { font-size: clamp(22px, 6.8vw, 28px); }
  .ai-home .contact-h2 { font-size: clamp(24px, 7vw, 28px); }
  .ai-home .services-container, .ai-home #news, .ai-home .contact-inner { padding-top: 44px; padding-bottom: 44px; }
  .ai-home .ai-intro { padding: 44px 0; }
  .ai-intro-grid, .ai-columns, .ai-work-row { grid-template-columns: 1fr; gap: 24px; }
  .ai-page-hero { padding-top: 24px; padding-bottom: 32px; }
  .ai-lead { font-size: 16px; line-height: 1.9; }
  .ai-page .hero-actions { margin-top: 24px; }
  .ai-section { padding-top: 44px; padding-bottom: 44px; }
  .ai-facts > div { grid-template-columns: 1fr; gap: 8px; }
  .ai-jump { gap: 0 24px; }
  .ai-page .hero-actions { align-items: stretch; }
  .ai-page .hero-actions .btn { justify-content: center; }
  .ai-home .hero-h1 { font-size: max(2rem, 13vw); line-height: 1; }
  .ai-home .hero-actions .ai-text-link { text-align: center; }
  .ai-page .hero-actions .ai-text-link { text-align: center; }
  .ai-home .btn-submit { width: 100%; justify-content: center; }
  .ai-home .contact-form input::placeholder, .ai-home .contact-form textarea::placeholder { font-size: 14px; }
  .ai-service-page .ai-section { padding-block: 44px; }
  .ai-service-page h1 { font-size: clamp(26px, 8vw, 38px); }
  .ai-service-page .ai-kicker { font-size: 13px; }
  .ai-service-page .ai-example-head { display: none; }
  .ai-service-page .ai-example-row { grid-template-columns: 1.1fr 1fr; gap: 14px 24px; }
  .ai-service-page .ai-example-row h3 { grid-column: 1 / -1; font-size: 19px; }
  .ai-service-page .ai-example-row h3 br { display: none; }
  .ai-service-page .ai-example-label, .ai-service-page .ai-example-result h4 { position: static; display: block; width: auto; height: auto; overflow: visible; clip-path: none; font-size: 12px; font-weight: 500; color: var(--on-light-muted); margin-bottom: 8px; }
  .ai-service-page .ai-support-grid, .ai-service-page .ai-pricing-grid, .ai-service-page .ai-partner, .ai-service-page .ai-service-area { grid-template-columns: 1fr; gap: 28px; }
  .ai-service-page .ai-tool-grid { grid-template-columns: 1fr; gap: 16px; }
  .ai-service-page .ai-tool-brand { margin-bottom: 4px; }
  .ai-service-page .ai-tool-selection { grid-template-columns: 1fr; gap: 8px; }
  .ai-service-page .ai-support-grid > article { padding-top: 22px; }
  .ai-service-page .ai-support-grid h3 { margin-bottom: 8px; }
  .ai-service-page .ai-support-grid h3 br { display: none; }
  .ai-service-page .ai-support-grid p { margin-bottom: 18px; }
  .ai-service-page .ai-partner { gap: 12px; padding-top: 28px; margin-top: 28px; }
  .ai-service-page .ai-partner h3 { font-size: 22px; margin-bottom: 0; }
  .ai-service-page .ai-service-area { gap: 12px; }
  .ai-service-page .ai-consult { padding-block: 44px; }
}
@media (max-width: 600px) {
  .ai-home .contact-info { grid-template-columns: 1fr; gap: 0; }
  .ai-home .contact-info-row { display: grid; grid-template-columns: 54px minmax(0, 1fr); align-items: start; gap: 12px; padding: 12px 0; }
  .ai-home .contact-info-key { margin: 3px 0 0; }
  .ai-home .contact-info-val { overflow-wrap: anywhere; }
  .ai-service-page .ai-example-row { grid-template-columns: 1fr; gap: 16px; padding-block: 24px; }
  .ai-service-page .ai-example-result { padding-left: 16px; }
  .ai-service-page .ai-example-result li { display: inline; }
  .ai-service-page .ai-example-result li + li::before { content: "・"; }
  .ai-service-page .ai-cost-panel { padding: 22px; }
  .ai-service-page .ai-estimate-terms > div { grid-template-columns: 1fr; gap: 4px; }
  .ai-service-page .ai-flow { grid-template-columns: 1fr; gap: 24px; }
  .ai-service-page .ai-flow > li { padding-top: 0; padding-left: 54px; }
  .ai-service-page .ai-flow > li:not(:last-child)::after { display: block; left: 19px; right: auto; top: 50px; bottom: 0; border-top: 0; border-left: 1px solid var(--rule-dark); }
  .ai-service-page .ai-flow > li > p { margin-bottom: 16px; }
  .ai-service-page .ai-consult .btn { width: 100%; justify-content: center; }
}