/* A案：端正な編集型。共通base.cssは変更しない。 */
:root {
  --color-primary: #173b63;
  --color-on-primary: #ffffff;
  --color-accent: #173b63;
  --color-on-accent: #ffffff;
  --color-text: #172b40;
  --color-muted: #536273;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f8fa;
  --color-bg-blue: #edf3f8;
  --color-link-hover: #2d648f;
  --color-border-on-primary: #486787;
  --color-border: #d5dee7;
  --color-ornament: #8c744f;
  --color-placeholder: #edf1f5;
  --font-base: "Yu Gothic", "Hiragino Sans", "Meiryo", sans-serif;
  --font-heading: var(--font-base);
  --font-display: "Yu Mincho", "Hiragino Mincho ProN", "HGS明朝E", serif;
  --font-size-body: 17px;
  --font-weight-body: 500;
  --line-height-body: 1.9;
  --container: 1120px;
  --gutter: 24px;
  --radius: 0px;
  --section-space: 64px;
  --header-height: 72px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
}
body { font-size: var(--font-size-body); font-weight: var(--font-weight-body); line-height: var(--line-height-body); letter-spacing: .025em; padding-bottom: 72px; }
::selection { background: var(--color-primary); color: var(--color-on-primary); }
h1, h2, h3 { font-weight: 700; letter-spacing: .015em; }
a { text-underline-offset: 5px; }
button, a, input, textarea, summary { -webkit-tap-highlight-color: transparent; }
section[id] { scroll-margin-top: var(--space-md); }
.header-container { width: 100%; max-width: 1416px; margin-inline: auto; padding-inline: var(--gutter); }
.site-header { background: var(--color-bg); }
.site-header__inner { gap: var(--space-sm); }
.site-logo { font-family: var(--font-display); font-size: clamp(16px, 5vw, 19px); font-weight: 600; letter-spacing: .08em; line-height: 1.4; }
.nav-toggle { flex-shrink: 0; }
.site-nav__list { font-size: 16px; font-weight: 600; }
.site-nav__list a { min-height: 44px; }
.site-nav__list .nav-contact { display: flex; justify-content: space-between; gap: var(--space-md); color: var(--color-primary); }
.no-js .site-header__inner { flex-wrap: wrap; }
.no-js .site-nav { width: 100%; }
.aizen-hero { background: var(--color-bg-alt); }
.aizen-hero__copy { padding: 44px var(--gutter) 36px; }
.eyebrow { display: flex; align-items: center; gap: var(--space-sm); color: var(--color-muted); font-size: 12px; letter-spacing: .12em; margin-bottom: var(--space-md); }
.eyebrow span { height: 1px; width: 32px; background: var(--color-ornament); }
.aizen-hero h1 { color: var(--color-text); font-family: var(--font-display); font-weight: 600; font-size: clamp(30px, 8.5vw, 40px); line-height: 1.65; letter-spacing: .025em; margin-bottom: var(--space-md); }
.aizen-hero__phrase { display: inline-block; }
.aizen-hero__text { max-width: 38em; font-size: var(--font-size-body); line-height: var(--line-height-body); margin-bottom: 30px; }
.aizen-button { display: inline-flex; justify-content: center; align-items: center; gap: 18px; min-height: 60px; max-width: 100%; padding: 17px 28px; border: 1px solid var(--color-primary); background: var(--color-primary); color: var(--color-on-primary); font: inherit; font-size: 17px; font-weight: 700; line-height: 1.5; text-decoration: none; letter-spacing: .025em; cursor: pointer; transition: background .2s, color .2s; }
.aizen-button:hover { background: var(--color-text); color: var(--color-on-primary); }
.cta-arrow { display: block; width: 24px; height: 24px; flex: 0 0 auto; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.nav-contact .cta-arrow { width: 18px; height: 18px; }
.mobile-consult .cta-arrow { width: 20px; height: 20px; }
.aizen-hero__visual { position: relative; height: 320px; overflow: hidden; background: var(--color-placeholder); }
.aizen-hero__visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 50%; }
.chapter { display: grid; gap: 30px; padding-block: var(--section-space); border-bottom: 1px solid var(--color-border); }
.chapter__heading { display: grid; grid-template-columns: 30px minmax(0, 1fr); column-gap: var(--space-md); align-content: start; }
.chapter__heading h2 { border-left: 2px solid var(--color-ornament); padding-left: var(--space-md); font-size: 28px; line-height: 1.6; }
.chapter__body { min-width: 0; }
.audience-list li { display: flex; align-items: baseline; gap: var(--space-sm); padding-block: 17px; border-bottom: 1px solid var(--color-border); font-size: var(--font-size-body); }
.audience-list li:first-child { padding-top: 0; }
.audience-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.audience-list li::before { content: "✓"; display: grid; place-items: center; width: 23px; height: 23px; flex: 0 0 23px; border: 1px solid var(--color-primary); border-radius: 50%; background: var(--color-primary); font-size: 14px; font-weight: 700; line-height: 1; color: var(--color-on-primary); transform: translateY(-1px); }
.concern { display: flex; align-items: baseline; gap: var(--space-md); padding: var(--space-md) 0; border-bottom: 1px solid var(--color-border); }
.concern:first-child { padding-top: 0; }
.concern > span { color: var(--color-muted); font: 14px Georgia, serif; }
.concern p { font-family: var(--font-base); font-size: var(--font-size-body); font-weight: var(--font-weight-body); }
.review-note { color: var(--color-muted); font-size: 13px; line-height: 1.85; margin-top: var(--space-md); overflow-wrap: anywhere; }
.review-note--block { display: block; margin-top: var(--space-xs); }
.small-note { font-size: 14px; line-height: 1.85; color: var(--color-muted); margin-top: var(--space-sm); }
.work-section { padding-block: var(--section-space); background: var(--color-bg-blue); color: var(--color-text); }
.work-section__heading { margin-bottom: 36px; }
.work-section h2 { font-size: 28px; line-height: 1.6; }
.work-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.work-item { display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 0; min-height: 190px; padding: 24px 12px; border: 1px solid var(--color-border); border-radius: 4px; background: var(--color-bg); color: var(--color-primary); }
.work-item img { display: block; width: 72px; height: 72px; flex: 0 0 auto; margin-bottom: 16px; object-fit: contain; }
.work-item h3 { display: flex; align-items: center; justify-content: center; min-height: 3.2em; text-align: center; font-family: var(--font-base); font-size: 16px; font-weight: 700; line-height: 1.6; }
.approach-points p { font-family: var(--font-base); font-size: var(--font-size-body); font-weight: var(--font-weight-body); line-height: var(--line-height-body); padding-bottom: var(--space-md); }
.approach-points p + p { border-top: 1px solid var(--color-border); padding-top: var(--space-md); }
.definition { margin-top: var(--space-md); padding: var(--space-md); background: var(--color-bg-alt); font-size: var(--font-size-body); line-height: var(--line-height-body); }
.definition__label { display: block; color: var(--color-primary); font-weight: 600; margin-bottom: var(--space-xs); }
.section-intro { margin-bottom: var(--space-md); font-size: var(--font-size-body); }
.subsidy-note { border-left: 2px solid var(--color-primary); padding-left: var(--space-md); font-size: var(--font-size-body); line-height: var(--line-height-body); color: var(--color-muted); }
.person-section { background: var(--color-bg); }
.company-section { background: var(--color-bg-blue); }
.company-section .chapter { border-bottom: 0; }
.person-section .chapter { border-bottom: 0; }
.company-list > div { display: grid; gap: var(--space-xs); padding-block: var(--space-md); border-bottom: 1px solid var(--color-border); }
.company-list > div:first-child { padding-top: 0; }
.company-list > div:last-child { border-bottom: 0; padding-bottom: 0; }
.company-list dt { font-size: 15px; color: var(--color-muted); }
.company-list dd { font-size: var(--font-size-body); }
.question { border-bottom: 1px solid var(--color-border); }
.question:first-child { border-top: 1px solid var(--color-border); }
.question summary { display: flex; align-items: center; gap: var(--space-sm); min-height: 76px; padding-block: 20px; cursor: pointer; list-style: none; font-size: var(--font-size-body); font-weight: var(--font-weight-body); }
.question summary::-webkit-details-marker { display: none; }
.question__q { font: 22px Georgia, serif; color: var(--color-primary); }
.question__toggle { flex-shrink: 0; margin-left: auto; position: relative; height: 16px; width: 16px; }
.question__toggle::before, .question__toggle::after { content: ""; position: absolute; top: 8px; left: 0; width: 16px; height: 1px; background: var(--color-primary); }
.question__toggle::after { transform: rotate(90deg); }
.question[open] .question__toggle::after { transform: rotate(0deg); }
.question__answer { display: flex; gap: var(--space-sm); padding: 0 0 var(--space-md); }
.question__answer > span { font: 22px Georgia, serif; }
.question__answer .review-note { margin-top: 0; }
.contact-section { padding-block: var(--section-space); background: var(--color-bg-blue); color: var(--color-text); }
.contact-section__layout { display: grid; gap: var(--space-lg); }
.contact-section__eyebrow { margin-top: var(--space-md); font-size: 14px; letter-spacing: .06em; color: var(--color-muted); }
.contact-section h2 { font-size: 30px; line-height: 1.8; margin-top: var(--space-sm); }
.site-footer { background: var(--color-bg); padding-block: 36px; text-align: center; color: var(--color-muted); font-size: 12px; border-top: 1px solid var(--color-border); }
.site-footer__inner { display: grid; grid-template-columns: 1fr; gap: var(--space-md); align-items: center; }
.footer-name { justify-self: center; font-family: var(--font-display); font-size: 18px; color: var(--color-text); text-decoration: none; }
.footer-copyright { margin: 0; font-size: 13px; line-height: 1.6; }
.mobile-consult { position: fixed; bottom: 12px; left: var(--gutter); right: var(--gutter); display: flex; align-items: center; justify-content: center; gap: 16px; min-height: 52px; background: var(--color-primary); color: var(--color-on-primary); border: 1px solid var(--color-on-primary); text-decoration: none; padding: 10px 22px; font-size: 16px; font-weight: 700; z-index: 90; }
.coming-soon { padding: 40px 24px; border: 1px solid var(--color-border); background: var(--color-bg-alt); }
.coming-soon__line { display: block; width: 36px; height: 1px; background: var(--color-ornament); margin-bottom: var(--space-md); }
.coming-soon__title { color: var(--color-primary); font-family: Georgia, serif; font-size: 32px; line-height: 1.4; letter-spacing: .035em; }
.coming-soon > p:last-child { margin-top: var(--space-sm); color: var(--color-muted); font-size: 14px; line-height: 1.9; }
.coming-soon--large { padding-block: 52px; }
.coming-soon--large .coming-soon__title { font-size: 38px; }
.coming-soon-inline { margin-top: var(--space-md); font-family: Georgia, serif; font-size: 20px; color: var(--color-primary); letter-spacing: .035em; }
.coming-soon-inline span { display: block; margin-top: var(--space-xs); font: 500 14px/1.85 var(--font-base); color: var(--color-muted); letter-spacing: .025em; }
.company-list .coming-soon-inline, .question__answer .coming-soon-inline { margin-top: 0; }
.email-contact { display: flex; flex-direction: column; justify-content: center; padding: 36px 24px; border: 1px solid var(--color-border); background: var(--color-bg); min-width: 0; }
.email-contact__label { color: var(--color-text); font-size: 18px; font-weight: 700; margin-bottom: var(--space-md); }
.email-contact__address { display: inline-flex; align-items: center; gap: 12px; max-width: 100%; min-height: 48px; font-size: clamp(18px, 2.4vw, 28px); font-weight: 600; color: var(--color-primary); text-decoration: none; overflow-wrap: anywhere; transition: color .2s; }
.email-contact__address:hover, .email-contact__address:focus-visible { color: var(--color-link-hover); text-decoration: none; }
.email-contact__icon { width: 22px; height: 22px; flex: 0 0 22px; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.email-contact .small-note { font-size: 16px; font-weight: 500; color: var(--color-text); }
.email-contact__address span { min-width: 0; }
.contact-section .email-contact { border: 0; }
@media (min-width: 768px) {
  :root { --gutter: 40px; --section-space: 88px; }
  .aizen-hero { display: grid; grid-template-columns: 1.3fr 1fr; }
  .aizen-hero__copy { padding-block: 60px 40px; }
  .aizen-hero h1 { font-size: 37px; }
  .aizen-hero__visual { height: auto; min-height: 580px; }
  .chapter { grid-template-columns: 1fr 2fr; gap: 50px; }
  .chapter__heading { display: block; }
  .chapter__heading h2 { font-size: 30px; padding-left: 0; border: 0; }
  .work-section__heading { display: flex; align-items: baseline; gap: 60px; margin-bottom: 44px; }
  .work-section h2 { font-size: 36px; }
  .work-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .work-grid { gap: 20px; }
  .work-item { min-height: 220px; padding: 28px 16px; }
  .work-item img { width: 80px; height: 80px; margin-bottom: 20px; }
  .work-item h3 { font-size: 17px; }
  .company-list > div { grid-template-columns: 110px minmax(0, 1fr); gap: var(--space-md); }
  .contact-section__layout { grid-template-columns: 1fr 1fr; gap: 48px; }
  .contact-section h2 { font-size: 34px; }
  .email-contact { padding: 40px; }
}
@media (min-width: 1024px) {
  :root { --section-space: 112px; --header-height: 88px; }
  body { padding-bottom: 0; }
  .site-logo { font-size: 23px; }
  .site-nav__list { gap: 16px; align-items: center; font-size: 15px; }
  .site-nav__list a { display: flex; align-items: center; padding-block: 10px; transition: color .2s; }
  .site-nav__list a:hover { color: var(--color-muted); }
  .site-nav__list .nav-contact { justify-content: center; height: 44px; min-height: 44px; padding: 8px 18px; background: var(--color-primary); color: var(--color-on-primary); gap: 10px; font-weight: 700; line-height: 1.4; }
  .site-nav__list .nav-contact:hover { background: var(--color-text); }
  .no-js .site-header__inner { flex-wrap: nowrap; }
  .no-js .site-nav { width: auto; }
  .aizen-hero { grid-template-columns: 58fr 42fr; }
  .aizen-hero__copy { padding: 76px 48px 54px max(48px, calc((100vw - 1200px) / 2)); }
  .eyebrow { margin-bottom: 32px; font-size: 12px; }
  .aizen-hero h1 { font-size: clamp(40px, 4.1vw, 58px); margin-bottom: 28px; line-height: 1.65; }
  .aizen-hero__text { max-width: 35em; margin-bottom: 32px; }
  .aizen-button { min-width: 260px; min-height: 66px; padding-inline: 30px; }
  .aizen-hero__visual { min-height: 650px; }
  .chapter { grid-template-columns: 400px minmax(0, 1fr); gap: 48px; }
  .chapter__heading { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 32px; }
  .chapter__heading h2 { padding-left: 26px; border-left: 2px solid var(--color-ornament); font-size: 32px; }
  .audience-list li { padding-block: 20px; }
  .work-section__heading { gap: 50px; }
  .chapter--compact { padding-block: 64px; }
  .chapter--compact h2 { font-size: 28px; }
  .contact-section__layout { gap: 90px; }
  .contact-section h2 { font-size: 40px; }
  .mobile-consult { display: none; }
  .site-footer { padding-block: 42px; }
  .site-footer__inner { grid-template-columns: 1fr; gap: var(--space-md); }
}
@media (prefers-reduced-motion: reduce) {
  .aizen-button, .site-nav__list a, .email-contact__address { transition: none; }
}