/* ==========================================================================
   Influence LAB Theme — layout (header / footer / prose)
   パーツのデザインはプラグインの ail.css。ここは骨組みのみ。
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--ail-font);
  color: var(--ail-ink);
  background: var(--ail-white);
  line-height: 1.8;
  font-size: 16px;
}
img { max-width: 100%; height: auto; }
a { color: var(--ail-teal-deep); }

.ail-skip { position: absolute; left: -9999px; top: 0; background: var(--ail-yellow); color: var(--ail-navy-900); padding: 8px 12px; z-index: 10000; }
.ail-skip:focus { left: 8px; top: 8px; }

/* 自前テーマではコンテンツ幅の制約が無いので、全幅化の負マージンを無効化 */
.ail-hero, .ail-page-hero, .ail-section--tint, .ail-cta--navy, .ail-closing {
  margin-left: 0 !important;
  margin-right: 0 !important;
  width: auto;
}

/* --- Header ------------------------------------------------------------- */
.ail-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--ail-line);
}
.ail-header__inner {
  max-width: var(--ail-max);
  margin: 0 auto;
  padding: 0 20px;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.ail-brand { display: flex; align-items: center; }
.ail-brand img { max-height: 44px; width: auto; display: block; }
.ail-brand__text { text-decoration: none; display: flex; flex-direction: column; line-height: 1.15; }
.ail-brand__name { font-weight: 900; font-size: 1.2rem; color: var(--ail-navy-800); letter-spacing: 0.02em; }
.ail-brand__en { font-size: 0.62rem; letter-spacing: 0.16em; color: var(--ail-teal-deep); font-weight: 700; text-transform: uppercase; }

.ail-nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.ail-nav-burger { width: 44px; height: 44px; display: grid; place-items: center; cursor: pointer; border-radius: 8px; }
.ail-nav-burger span { display: block; width: 22px; height: 2px; background: var(--ail-navy-800); margin: 2.5px 0; transition: transform .2s ease, opacity .2s ease; }
.ail-nav { display: none; width: 100%; padding: 8px 0 16px; }
.ail-nav-toggle:checked ~ .ail-nav { display: block; }
.ail-nav-toggle:checked ~ .ail-nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.ail-nav-toggle:checked ~ .ail-nav-burger span:nth-child(2) { opacity: 0; }
.ail-nav-toggle:checked ~ .ail-nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.ail-nav__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.ail-nav__list li { position: relative; }
.ail-nav__list a {
  display: block; padding: 10px 12px; border-radius: 8px;
  color: var(--ail-navy-800); text-decoration: none; font-weight: 700; font-size: 0.95rem;
}
.ail-nav__list a:hover, .ail-nav__list .current-menu-item > a, .ail-nav__list .current_page_item > a { background: var(--ail-navy-050); color: var(--ail-teal-deep); }
.ail-nav__list .sub-menu { list-style: none; margin: 0; padding: 0 0 0 16px; }
.ail-nav__list .sub-menu a { font-weight: 500; font-size: 0.9rem; }

@media (min-width: 960px) {
  .ail-header__inner { flex-wrap: nowrap; min-height: 72px; }
  .ail-nav-burger { display: none; }
  .ail-nav { display: block !important; width: auto; padding: 0; }
  .ail-nav__list { flex-direction: row; gap: 2px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
  .ail-nav__list a { padding: 8px 10px; font-size: 0.86rem; white-space: nowrap; }
  .ail-nav__list .sub-menu {
    position: absolute; top: 100%; left: 0; min-width: 220px;
    background: #fff; border: 1px solid var(--ail-line); border-radius: 10px; padding: 6px;
    box-shadow: var(--ail-shadow); display: none; z-index: 200;
  }
  .ail-nav__list li:hover > .sub-menu, .ail-nav__list li:focus-within > .sub-menu { display: block; }
}

/* --- Article ------------------------------------------------------------ */
.ail-main { min-height: 60vh; }
.ail-article__header { padding: 48px 0 8px; }
.ail-article__header--archive { padding-top: 40px; }
.ail-article__title { font-size: clamp(1.6rem, 5vw, 2.4rem); line-height: 1.35; font-weight: 900; color: var(--ail-navy-800); margin: 0 0 16px; }
.ail-article__thumb { margin: 16px 0 0; border-radius: var(--ail-radius); overflow: hidden; }
.ail-article__thumb img { display: block; width: 100%; height: auto; }
.ail-article--lab .ail-article__content > :last-child { margin-bottom: 0; }

.ail-prose { padding-top: 8px; padding-bottom: 56px; }
.ail-prose > * { max-width: 760px; }
.ail-prose > .ail-cta, .ail-prose > .ail-grid, .ail-prose > .ail-single-course { max-width: none; }
.ail-prose h2 { font-size: 1.45rem; font-weight: 800; color: var(--ail-navy-800); margin: 1.8em 0 0.6em; padding-left: 16px; border-left: 5px solid var(--ail-yellow); line-height: 1.4; }
.ail-prose h3 { font-size: 1.15rem; font-weight: 800; color: var(--ail-navy-800); margin: 1.5em 0 0.5em; }
.ail-prose p, .ail-prose ul, .ail-prose ol { margin: 0 0 1.1em; }
.ail-prose ul, .ail-prose ol { padding-left: 1.4em; }
.ail-prose blockquote { margin: 1.2em 0; padding: 12px 18px; border-left: 4px solid var(--ail-teal); background: var(--ail-navy-050); border-radius: 0 10px 10px 0; }
.ail-prose table { width: 100%; border-collapse: collapse; }
.ail-prose th, .ail-prose td { border: 1px solid var(--ail-line); padding: 8px 12px; }
.ail-prose figure { margin: 1.2em 0; }
.ail-prose .wp-block-image img { border-radius: var(--ail-radius-sm); }

.ail-post-list { list-style: none; padding: 0; margin: 0 0 24px; }
.ail-post-list__item { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--ail-line); }
.ail-post-list__item a { font-weight: 700; color: var(--ail-navy-800); text-decoration: none; }
.ail-post-list__item time { font-size: 0.85rem; color: var(--ail-ink-soft); white-space: nowrap; }
.ail-404 { padding: 64px 20px; text-align: center; }
.ail-404 > * { margin-left: auto; margin-right: auto; }

/* --- Footer ------------------------------------------------------------- */
.ail-footer { background: var(--ail-navy-900); color: rgba(255,255,255,0.85); margin-top: 0; }
.ail-footer__inner { max-width: var(--ail-max); margin: 0 auto; padding: 48px 20px 24px; display: grid; gap: 28px; }
.ail-footer__name { font-size: 1.3rem; font-weight: 900; color: #fff; margin: 0 0 4px; }
.ail-footer__tagline { margin: 0; font-size: 0.9rem; color: rgba(255,255,255,0.7); }
.ail-footer__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px 20px; grid-template-columns: 1fr 1fr; }
.ail-footer__list a { color: rgba(255,255,255,0.85); text-decoration: none; font-size: 0.9rem; }
.ail-footer__list a:hover { color: var(--ail-yellow); }
.ail-footer__bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: 18px 20px 28px; text-align: center; font-size: 0.8rem; color: rgba(255,255,255,0.6); }
.ail-footer__bottom p { margin: 0 0 6px; }
.ail-footer__legal { font-size: 0.74rem; }

@media (min-width: 800px) {
  .ail-footer__inner { grid-template-columns: 1fr 1.4fr; align-items: start; }
  .ail-footer__list { grid-template-columns: 1fr 1fr 1fr; }
}

/* CTA直後の締めメッセージを密着させる */
.ail-cta--navy + .ail-closing { margin-top: -24px; }