/* miraichat base — デジタル庁 DADS 色／a11y + Apple HIG の階層・タップ領域 */

:root {
  --mc-focus: var(--mc-brand, var(--color-primitive-blue-900, var(--wp--preset--color--focus, #0017c1)));
  --mc-radius-s: 4px;
  --mc-radius-m: 6px;
  --mc-radius-l: 8px;
  --mc-tap-min: 44px;
  --mc-text: var(--color-neutral-solid-gray-800, var(--wp--preset--color--text, #333));
  --mc-text-strong: var(--color-neutral-solid-gray-900, var(--wp--preset--color--text-strong, #1a1a1a));
  --mc-border: var(--color-neutral-solid-gray-200, var(--wp--preset--color--border, #ccc));
  --mc-border-soft: var(--color-neutral-solid-gray-100, #e6e6e6);
  --mc-primary: var(--mc-brand, var(--color-primitive-blue-900, var(--wp--preset--color--primary, #0017c1)));
  --mc-font: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
  --mc-card-shadow: none;
  --mc-card-shadow-hover: none;
  --mc-lift: none;
  --mc-safe-top: env(safe-area-inset-top, 0px);
  --mc-safe-bottom: env(safe-area-inset-bottom, 0px);
  --mc-safe-left: env(safe-area-inset-left, 0px);
  --mc-safe-right: env(safe-area-inset-right, 0px);
}

html {
  /* iOS の動的ツールバーでレイアウトが跳ねにくい基準 */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--mc-text);
  font-family: var(--mc-font);
  font-size: 1rem;
  line-height: 1.75;
  letter-spacing: 0.01em;
  padding-left: var(--mc-safe-left);
  padding-right: var(--mc-safe-right);
}

h1, h2, h3, h4, .wp-block-heading {
  font-family: var(--mc-font);
  letter-spacing: 0.01em;
  color: var(--mc-text-strong);
  font-weight: 700;
  line-height: 1.4;
}

.mc-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100000;
  padding: 0.875rem 1.25rem;
  background: var(--mc-primary);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  border-radius: var(--mc-radius-m);
  min-height: var(--mc-tap-min);
}

.mc-skip-link:focus {
  left: max(1rem, var(--mc-safe-left));
  top: max(1rem, var(--mc-safe-top));
}

:focus-visible {
  outline: 2px solid var(--mc-focus);
  outline-offset: 2px;
}

.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  word-wrap: normal !important;
}

/* —— ヘッダー（シンプル1段ナビ + スクロール透過） —— */
.mc-site-header {
  position: sticky;
  top: 0;
  top: var(--mc-safe-top);
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid transparent;
  box-shadow: none;
  margin: 0;
  padding: 0;
  transition:
    background-color 0.25s ease,
    border-color 0.25s ease,
    backdrop-filter 0.25s ease,
    -webkit-backdrop-filter 0.25s ease;
}

.mc-site-header.is-scrolled {
  background: rgb(255 255 255 / 88%);
  backdrop-filter: saturate(1.1) blur(10px);
  -webkit-backdrop-filter: saturate(1.1) blur(10px);
  border-bottom-color: rgb(15 23 42 / 8%);
}

.mc-site-header__rail {
  box-sizing: border-box;
  max-width: var(--mc-grid-max, 64rem);
  width: 100%;
  margin-inline: auto;
  padding: 0.55rem var(--mc-grid-pad, 1rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 3.5rem;
}

.mc-site-header__brand {
  flex: 0 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
}

.mc-site-header__brand .custom-logo-link {
  display: flex;
  align-items: center;
  line-height: 0;
}

.mc-site-header__brand .custom-logo {
  max-height: 2rem;
  width: auto;
}

.mc-site-header__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--mc-text-strong);
  text-decoration: none;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.mc-site-header__title:hover {
  color: var(--mc-text-strong);
  text-decoration: none;
}

.mc-site-header__nav--desktop {
  display: none;
  flex: 1 1 auto;
  justify-content: flex-end;
  align-items: center;
  min-width: 0;
}

.mc-nav-flat {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.15rem 0.15rem;
}

.mc-nav-flat > li > a {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  padding: 0.25rem 0.7rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--mc-text-strong);
  text-decoration: none;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  border-radius: var(--mc-radius-m, 6px);
  background: transparent;
}

.mc-nav-flat > li.is-current > a,
.mc-nav-flat > li > a[aria-current="page"] {
  border-color: var(--color-neutral-solid-gray-420, #949494);
  background: rgb(255 255 255 / 55%);
}

.mc-nav-flat__sep {
  width: 1px;
  height: 1rem;
  margin: 0 0.45rem;
  background: var(--color-neutral-solid-gray-200, #ccc);
  align-self: center;
  flex: 0 0 auto;
}

/* モバイル・ドロワー用グループ（ラベルはドロワーのみ） */
.mc-nav-group {
  min-width: 0;
}

.mc-nav-group__label {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-neutral-solid-gray-600, #666);
  line-height: 1.3;
}

.mc-nav-group--b .mc-nav-group__label {
  color: var(--mc-brand, #2f8f5b);
}

.mc-nav-group__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.85rem;
  align-items: center;
}

.mc-nav-group__list a {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--mc-text-strong);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.mc-nav-group__list a:hover,
.mc-nav-group__list a:focus-visible {
  color: var(--mc-text-strong);
  text-decoration: none;
}

.mc-nav-group__list--stack {
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

.mc-nav-group__list--stack a {
  min-height: var(--mc-tap-min);
  padding: 0.45rem 0;
  font-size: 1rem;
  border-bottom: 1px solid var(--color-neutral-solid-gray-100, #e6e6e6);
}

.mc-nav-group__list--stack li.is-current > a {
  font-weight: 700;
}

.mc-nav-toggle {
  flex: 0 0 auto;
  min-height: 2.5rem;
  margin: 0;
  padding: 0.35rem 0.65rem;
  border: 0;
  border-radius: 0.5rem;
  background: transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  color: var(--mc-text-strong);
}

.mc-nav-toggle__label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.mc-nav-toggle__bars,
.mc-nav-toggle__bars::before,
.mc-nav-toggle__bars::after {
  display: block;
  width: 1.05rem;
  height: 1.5px;
  background: var(--mc-text-strong);
  border-radius: 1px;
  position: relative;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mc-nav-toggle__bars::before,
.mc-nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.mc-nav-toggle__bars::before {
  top: -5px;
}

.mc-nav-toggle__bars::after {
  top: 5px;
}

.mc-nav-toggle.is-open .mc-nav-toggle__bars {
  background: transparent;
}

.mc-nav-toggle.is-open .mc-nav-toggle__bars::before {
  top: 0;
  transform: rotate(45deg);
}

.mc-nav-toggle.is-open .mc-nav-toggle__bars::after {
  top: 0;
  transform: rotate(-45deg);
}

.mc-nav-drawer {
  border-top: 1px solid rgb(15 23 42 / 8%);
  background: rgb(255 255 255 / 96%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.mc-nav-drawer__inner {
  box-sizing: border-box;
  max-width: var(--mc-grid-max, 64rem);
  margin-inline: auto;
  padding: 1rem var(--mc-grid-pad, 1rem) 1.5rem;
  display: grid;
  gap: 1.5rem;
}

body.mc-nav-open {
  overflow: hidden;
}

@media (min-width: 64rem) {
  .mc-site-header__nav--desktop {
    display: flex;
  }

  .mc-nav-toggle,
  .mc-nav-drawer {
    display: none !important;
  }
}

@media (max-width: 63.99rem) {
  .mc-nav-toggle__label {
    display: none;
  }
}

/* —— フッター（コンテンツ幅・再設計） —— */
.mc-site-footer {
  border-top: 1px solid var(--mc-border);
  margin-block-start: 0 !important;
  background: var(--color-neutral-solid-gray-50, #f5f5f5);
  padding: clamp(2.5rem, 5vw, 3.5rem) 0 1.5rem;
}

.mc-site-footer__rail {
  box-sizing: border-box;
  max-width: var(--mc-grid-max, 64rem);
  width: 100%;
  margin-inline: auto;
  padding-inline: var(--mc-grid-pad, 1rem);
}

.mc-site-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}

.mc-site-footer__name {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--mc-text-strong);
  letter-spacing: 0.04em;
}

.mc-site-footer__meta {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-neutral-solid-gray-700, #4d4d4d);
}

.mc-site-footer__heading {
  margin: 0 0 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--mc-primary);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--mc-text-strong);
  display: inline-block;
  min-width: 6rem;
}

.mc-footer-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.mc-footer-list li {
  margin: 0;
}

.mc-footer-list a {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--mc-brand-link, #1a1a1a) !important;
}

.mc-footer-list a:visited {
  color: var(--mc-brand-link, #1a1a1a) !important;
}

.mc-footer-list a:hover {
  color: var(--mc-brand-link, #1a1a1a) !important;
  text-decoration: none;
}

.mc-site-footer__copy {
  margin: 2rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--mc-border);
  color: var(--color-neutral-solid-gray-600, #666);
  font-size: 0.8125rem;
}

@media (max-width: 64rem) {
  .mc-site-footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mc-site-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 40rem) {
  .mc-site-footer__grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* 下層ページ本文：ヘッダーと同じレールで中央揃え */
.mc-main--article > .mc-eyebrow,
.mc-main--article > .wp-block-post-title,
.mc-main--article > .wp-block-post-date,
.mc-main--article > .wp-block-post-content,
.mc-main--article > .wp-block-query,
.mc-main--article > .wp-block-heading,
.mc-main--article > .wp-block-search,
.mc-main--article > .wp-block-group,
.mc-main--article > p,
.mc-main--wide > .wp-block-post-title,
.mc-main--wide > .wp-block-post-content {
  box-sizing: border-box;
  max-width: var(--wp--style--global--content-size, 45rem);
  width: 100%;
  margin-inline: auto;
  padding-inline: var(--mc-grid-pad, 1rem);
}

.mc-main--wide > .wp-block-post-title,
.mc-main--wide > .wp-block-post-content {
  max-width: var(--mc-grid-max, 64rem);
}

.mc-main--wide > .mc-news-archive-title,
.mc-main--wide > .wp-block-query-title,
.mc-main--wide > .wp-block-term-description {
  box-sizing: border-box;
  max-width: var(--mc-grid-max, 64rem);
  width: 100%;
  margin-inline: auto;
  padding-inline: var(--mc-grid-pad, 1rem);
}

.mc-main--article > .wp-block-post-title,
.mc-main--article > .wp-block-heading:first-child {
  margin-block-end: 0.5rem !important;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.4;
  font-weight: 700;
  color: var(--mc-text-strong, #1a1a1a);
}

.mc-main--article > .mc-eyebrow {
  margin-block-end: 0.4rem !important;
}

.mc-main--article > .wp-block-post-date {
  margin-block-end: 0 !important;
  color: var(--color-neutral-solid-gray-600, #666);
}

.mc-main--article > .wp-block-post-content {
  margin-block-start: 1.75rem !important;
}

.mc-main--article .wp-block-post-content > p,
.mc-main--article .wp-block-post-content > ul,
.mc-main--article .wp-block-post-content > ol,
.mc-main--wide .wp-block-post-content > p,
.mc-main--wide .wp-block-post-content > ul,
.mc-main--wide .wp-block-post-content > ol {
  line-height: 1.85;
  color: var(--mc-text, #333);
}

.mc-main--article .wp-block-post-content > * + *,
.mc-main--wide .wp-block-post-content > * + * {
  margin-block-start: 1.15rem !important;
}

/*
 * 下層ページ本文の見出し：階層・余白・アクセントをはっきりさせる
 * （汎用の *+* 余白より優先）
 */
.mc-main--article .wp-block-post-content :is(h2, h3, h4),
.mc-main--wide .wp-block-post-content :is(h2, h3, h4) {
  max-width: 100%;
  color: var(--mc-text-strong, #1a1a1a);
  font-weight: 700;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
  scroll-margin-top: calc(5.5rem + var(--mc-safe-top, 0px));
}

.mc-main--article .wp-block-post-content :is(h2, h2.wp-block-heading),
.mc-main--wide .wp-block-post-content :is(h2, h2.wp-block-heading) {
  margin-block: 2.75rem 1rem !important;
  padding: 0.15rem 0 0.15rem 0.9rem;
  border-left: 0.25rem solid var(--mc-brand, #2f8f5b);
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  line-height: 1.4;
}

.mc-main--article .wp-block-post-content :is(h3, h3.wp-block-heading),
.mc-main--wide .wp-block-post-content :is(h3, h3.wp-block-heading) {
  margin-block: 2.1rem 0.75rem !important;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-neutral-solid-gray-200, #ccc);
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.45;
}

.mc-main--article .wp-block-post-content :is(h4, h4.wp-block-heading),
.mc-main--wide .wp-block-post-content :is(h4, h4.wp-block-heading) {
  margin-block: 1.65rem 0.55rem !important;
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--color-neutral-solid-gray-800, #333);
}

.mc-main--article .wp-block-post-content > :is(h2, h3, h4):first-child,
.mc-main--wide .wp-block-post-content > :is(h2, h3, h4):first-child,
.mc-main--article .wp-block-post-content > .mc-flow-page > :is(h2, .wp-block-heading):first-child,
.mc-main--article .wp-block-post-content > .mc-staff-page > :is(h2, .wp-block-heading):first-child,
.mc-main--article .wp-block-post-content > .mc-features-page > :is(h2, .wp-block-heading):first-child {
  margin-block-start: 0.35rem !important;
}

.mc-main--article .wp-block-post-content :is(h2, h3, h4) + p,
.mc-main--wide .wp-block-post-content :is(h2, h3, h4) + p {
  margin-block-start: 0.65rem !important;
}

.mc-main--article .wp-block-post-content > .wp-block-image,
.mc-main--article .wp-block-post-content > figure,
.mc-main--wide .wp-block-post-content > .wp-block-image,
.mc-main--wide .wp-block-post-content > figure {
  margin-block: 1.75rem !important;
}

/* 自動生成ページ（流れ・スタッフなど）の見出しも同じトーンに */
.mc-flow-page > .wp-block-heading,
.mc-flow-page__group > .wp-block-heading,
.mc-staff-page > .wp-block-heading,
.mc-staff-detail__title,
.mc-features-page > .wp-block-heading {
  margin-block: 2.75rem 1rem !important;
  padding: 0.15rem 0 0.15rem 0.9rem;
  border-left: 0.25rem solid var(--mc-brand, #2f8f5b);
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  line-height: 1.4;
  font-weight: 700;
  color: var(--mc-text-strong, #1a1a1a);
}

.mc-flow-page > .wp-block-heading:first-of-type,
.mc-staff-page > .wp-block-heading:first-of-type,
.mc-features-page > .wp-block-heading:first-of-type {
  margin-block-start: 1.25rem !important;
}

.mc-staff-detail__title {
  margin-block: 0 0.75rem !important;
}

/* トップ／B型のみ上下密着。記事ページの余白は残す */
.mc-main--flush {
  padding-top: 0 !important;
  margin-top: 0 !important;
}

.mc-main--flush > .mc-hero:first-child,
.mc-main--flush > section.mc-hero:first-child,
.mc-main--flush > .wp-block-group.mc-hero:first-child,
.mc-main--flush.is-layout-flow > .mc-hero:first-child,
.mc-main--flush > .mc-hero:first-of-type {
  margin-top: 0 !important;
  margin-block-start: 0 !important;
}

.wp-site-blocks > header + .mc-main,
.wp-site-blocks > .mc-site-header + .mc-main,
.wp-site-blocks > .wp-block-template-part + main,
.wp-site-blocks > .wp-block-template-part + .wp-block-group.mc-main,
.wp-site-blocks > * + .mc-main,
.wp-site-blocks > * + main {
  margin-block-start: 0 !important;
  margin-top: 0 !important;
}

/* layout flow の子同士ギャップ：flush（トップ）のみ無効化 */
.mc-main--flush.is-layout-flow > * + *,
.mc-main--flush > * + * {
  margin-block-start: 0 !important;
}

/* 記事ページは見出し・日付・本文の間隔を確保 */
.mc-main--article.is-layout-constrained > * + *,
.mc-main--wide.is-layout-constrained > * + * {
  margin-block-start: 0.75rem;
}

.mc-main--article.is-layout-constrained > .wp-block-post-content,
.mc-main--wide.is-layout-constrained > .wp-block-post-content {
  margin-block-start: 1.75rem !important;
}

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