/*
 * Marine Bigdata — base reset + typography helpers.
 */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body-jp);
  background: var(--bg-page);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration-color: rgba(10, 26, 46, 0.3);
  text-underline-offset: 0.18em;
  transition: color var(--duration-1) var(--ease-out);
}

a:hover {
  color: var(--color-swell);
}

button {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 3px;
}

.mbd-hero :focus-visible,
.mbd-pd :focus-visible,
.mbd-footer :focus-visible,
.mbd-mobile-nav :focus-visible {
  outline-color: var(--color-cyan-glow);
}

.font-disp-jp {
  font-family: var(--font-display-jp);
  font-feature-settings: "palt";
}

.font-disp-en {
  font-family: var(--font-display-en);
}

.font-body-jp {
  font-family: var(--font-body-jp);
  font-feature-settings: "palt";
}

.font-body-en {
  font-family: var(--font-body-en);
}

.font-mono {
  font-family: var(--font-mono);
}

.tabular {
  font-variant-numeric: tabular-nums;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: var(--fs-eyebrow);
  font-family: var(--font-body-en);
  font-weight: 500;
}

.divider-thin {
  height: 1px;
  background: linear-gradient(90deg, transparent, currentColor 20%, currentColor 80%, transparent);
  opacity: 0.18;
}

.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* WP core と同じ規約: フォーカス可能な sr-only 要素はフォーカス時にクリップを解除して可視化する。 */
.screen-reader-text:focus {
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto !important;
  white-space: normal;
}

.mbd-skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  padding: 8px 14px;
  background: var(--color-navy-deep);
  color: var(--color-pearl);
  border-radius: var(--radius-sm);
  z-index: 1000;
  transform: translateY(-150%);
  transition: transform var(--duration-1) var(--ease-out);
}

.mbd-skip-link:focus,
.mbd-skip-link:focus-visible {
  transform: translateY(0);
}

body.nav-open {
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}