/* ==========================================================================
   共通ヘッダー／フッター スタイル
   出典: サイトデザイン参照画像 + docs/CODING_GUIDELINES.md 1.1/1.3節
   ========================================================================== */

:root {
  --color-black: #1a1a1a;
  --color-bg-header: var(--color-black);
  --color-bg-nav: #ffffff;
  --color-bg-footer: var(--color-black);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-on-light: rgba(0, 0, 0, 0.1);

  --color-text: #f5f5f5;
  --color-text-muted: #b7b7b7;
  --color-text-dim: #7a7a7a;
  --color-text-on-light: var(--color-black);

  --color-green-dark: #316A56;
  --color-green-dark-hover: #266f54;
  --color-green-catalog: #4f9d84;
  --color-green-catalog-hover: #5cae93;
  --color-green-bright: #2eab6d;
  --color-green-bright-hover: #38c17e;
  --color-accent-orange: #dd8a3c;

  --tap-min: 44px;
  --container-max: 1040px;
  --section-space-top: 120px;
  --section-space-bottom: 110px;
  --section-title-gap: 38px;
  --section-content-gap: 58px;
  --section-title-size: clamp(22px, 3vw, 30px);
  --section-title-line-height: 1.5;
  --section-eyebrow-size: 36px;
  --section-eyebrow-ja-size: 14px;
  --section-eyebrow-gap: 16px;
  --section-eyebrow-rule-width: 36px;
}

/* Accessibility helpers: hidden in normal rendering, visible only on keyboard focus. */
.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;
}

.skip-link:focus {
  position: fixed !important;
  top: 12px;
  left: 12px;
  z-index: 10000;
  width: auto;
  height: auto;
  margin: 0;
  padding: 10px 16px;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: #fff;
  color: var(--color-black, #1a1a1a);
  box-shadow: 0 2px 8px rgb(0 0 0 / 20%);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  overflow-x: clip;
  font-family: "Inter", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background: #fff;
}

/* 全ページ共通の軽いフェードトランジション（ロゴなし） */
.page-transition {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: #1a1a1a;
  opacity: 1;
  visibility: visible;
  pointer-events: none;
  animation: page-transition-in .45s .05s ease forwards;
}
.page-transition.is-entering {
  animation: none;
  opacity: 1;
  visibility: visible;
  transition: opacity .35s ease;
}
@keyframes page-transition-in {
  to { opacity: 0; visibility: hidden; }
}

/* 英字・数字はInterで統一。日本語は後続の日本語フォントへフォールバックする。 */
time,
output,
input[type="number"],
.utility-bar__tel,
.kv__eyebrow strong,
.purpose-detail-hero__copy > p strong,
.purpose-detail-hero__image strong,
.closing-cta__history strong,
.process-item__number {
  font-family: "Inter", sans-serif;
  font-variant-numeric: tabular-nums;
}

a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; appearance: none; -webkit-appearance: none; }
svg { display: block; }

.site-content { min-height: 40vh; }

/* ---- ロゴ（ヘッダー／フッター共通） ---- */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: var(--tap-min);
}
.site-header .logo__image {
  display: block;
  width: 248px;
  height: auto;
}
.logo__mark { flex: none; display: flex; }
.logo__text { display: flex; flex-direction: column; line-height: 1.3; }
.logo__name { display: flex; align-items: center; gap: 6px; font-size: 20px; font-weight: 700; }
.logo__badge {
  font-size: 10px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text-dim);
  border: 1px solid var(--color-text-dim);
  padding: 1px 4px;
  border-radius: 2px;
}
.logo__name-en { font-size: 10px; letter-spacing: 0.06em; color: var(--color-text-dim); margin-top: 2px; }

/* ==========================================================================
   ヘッダー
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg-header);
}

.utility-bar { background: var(--color-bg-header); }
.utility-bar__inner {
  width: 100%;
  margin: 0 auto;
  padding: 0 0 0 5%;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: 24px;
}

.utility-bar__tagline {
  flex: 1 1 auto;
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--color-text-muted);
  text-wrap: balance;
}

.utility-bar__contact {
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  text-align: left;
  color: #fff;
}
.utility-bar__contact-label {
  display: block;
  margin-bottom: 2px;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.3;
  color: #fff;
}
.utility-bar__tel {
  display: block;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: .01em;
  color: #fff;
}
.utility-bar__hours {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.4;
  color: #fff;
  white-space: nowrap;
}

.utility-bar__cta {
  flex: none;
  align-self: stretch;
  display: grid;
  grid-template-columns: repeat(2, 248px);
}
.cta-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 248px;
  min-height: 100px;
  padding: 12px 24px;
  box-sizing: border-box;
  font-size: 16px;
  font-weight: 400;
  color: #fff;
  transition: filter 0.15s ease, box-shadow 0.15s ease;
}
.cta-btn:hover, .cta-btn:focus-visible { filter: brightness(1.08); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25); }
.cta-btn:active { filter: brightness(0.95); }
.cta-btn__badge {
  min-width: 124px;
  background: #fff;
  color: #2f705b;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.3;
  text-align: center;
  padding: 5px 18px;
  box-sizing: border-box;
  border-radius: 999px;
  white-space: nowrap;
}
.cta-btn__label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  line-height: 1.2;
  white-space: nowrap;
}
.cta-btn__icon {
  display: block;
  flex: none;
  object-fit: contain;
}
.cta-btn__icon--pdf { width: 21px; height: 27px; }
.cta-btn__icon--mail { width: 24px; height: 19px; }
.cta-btn--catalog { background: var(--color-green-catalog); }
.cta-btn--catalog:hover { background: var(--color-green-catalog-hover); }
.cta-btn--email { background: var(--color-green-dark); }
.cta-btn--email:hover { background: var(--color-green-dark-hover); }

.hamburger {
  display: none;
  flex: none;
  width: var(--tap-min);
  height: var(--tap-min);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 1px;
  background: var(--color-text);
  transform-origin: center;
  transition: transform 0.25s ease;
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }

/* ---- グローバルナビ ---- */
.site-nav { background: #f7f7f7; border-top: 1px solid var(--color-border-on-light); }
.site-nav__list {
  width: 90%;
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}
.site-nav__item { position: relative; flex: 1 1 0; }
.site-nav__link {
  display: flex;
  align-items: center;
  gap: 4px;
  min-height: 39px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-on-light);
  white-space: nowrap;
  justify-content: center;
}
.site-nav__link:hover { color: var(--color-green-dark); }
.mobile-menu { display: none; }

/* ==========================================================================
   フッター
   ========================================================================== */
.site-footer { position: relative; min-height: 720px; background: #1a1a1a; color: var(--color-text-muted); padding: 168px 38px 0; }
.site-footer__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.9fr) minmax(235px, 1fr) minmax(235px, 1fr);
  column-gap: 52px;
  row-gap: 17px;
  padding-bottom: 36px;
}

.site-footer__company { grid-row: 1 / 3; }
.site-footer .logo--footer { width: min(100%, 330px); min-height: 0; }
.site-footer .logo__image { display: block; width: 100%; height: auto; }
.site-footer__address { font-style: normal; margin-top: 7px; font-size: 15px; line-height: 1.5; color: #f1f1f1; letter-spacing: .03em; }
.site-footer__address p { margin: 0 0 12px; }
.site-footer__address a { text-decoration: none; }

.site-footer__nav-title { font-size: 16px; font-weight: 400; color: var(--color-text); margin: 4px 0 14px; }
.site-footer__nav ul { border-left: 1px solid rgba(255,255,255,.28); padding-left: 12px; }
.site-footer__nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  font-size: 14px;
  color: #f1f1f1;
}
.site-footer__nav a:hover { color: var(--color-text); }
.site-footer__nav .chevron { color: #fff; }

.site-footer__sub {
  grid-column: 2 / 4;
  padding: 0;
}
.site-footer__sub-links { display: grid; grid-template-columns: repeat(4, max-content); align-items: center; justify-content: space-between; gap: 0 28px; }
.site-footer__sub-links a { display: flex; align-items: center; min-height: var(--tap-min); font-size: 15px; font-weight: 400; color: var(--color-text); }

.site-footer__legal {
  position: absolute;
  left: 50%;
  right: auto;
  bottom: 141px;
  width: calc(100% - 76px);
  max-width: var(--container-max);
  margin: 0 auto;
  transform: translateX(-50%);
  padding: 0 0 34px;
  display: grid;
  grid-template-columns: minmax(0, 1.9fr) minmax(235px, 1fr) minmax(235px, 1fr);
  column-gap: 52px;
  align-items: center;
  font-size: 12px;
  color: var(--color-text-dim);
}
.site-footer__legal-links { grid-column: 2 / 4; display: flex; justify-content: flex-start; }
.site-footer__legal-links li:not(:last-child) { border-right: 1px solid var(--color-border); margin-right: 48px; padding-right: 48px; }
.site-footer__legal-links a { min-height: var(--tap-min); display: flex; align-items: center; }
.site-footer__legal-links a:hover { color: var(--color-text-muted); }

@media (min-width: 769px) and (max-width: 1100px) {
  .site-footer { padding-inline: 28px; }
  .site-footer__inner { grid-template-columns: minmax(280px, 1.35fr) repeat(2, minmax(210px, 1fr)); gap: 30px; }
  .site-footer__sub-links { grid-template-columns: repeat(2, max-content); justify-content: start; gap: 0 42px; }
  .site-footer__legal { grid-template-columns: minmax(280px, 1.35fr) repeat(2, minmax(210px, 1fr)); column-gap: 30px; }
}

/* ==========================================================================
   モバイル追従CTAバナー（1.1節: スマホでは画面下部に追従CTAバナー）
   ========================================================================== */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 200;
  padding-bottom: env(safe-area-inset-bottom, 0);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.25);
  transition: opacity .25s ease, transform .25s ease, visibility 0s linear 0s;
}

/* 入力中のフォームを追従CTAで覆わない。 */
.mobile-sticky-cta.is-contact-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(100%);
  transition: opacity .25s ease, transform .25s ease, visibility 0s linear .25s;
}
.mobile-sticky-cta__btn {
  flex: 1 1 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 82px;
  padding: 8px 6px 7px;
  flex-direction: column;
  gap: 5px;
  font-size: 13px;
  font-weight: 400;
  color: #fff;
  transition: filter 0.15s ease;
}
.mobile-sticky-cta__btn:active { filter: brightness(0.9); }
.mobile-sticky-cta__badge {
  min-width: 100px;
  padding: 4px 12px;
  border-radius: 999px;
  background: #fff;
  color: #34765f;
  font-size: 10px;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
}
.mobile-sticky-cta__label { display: flex; align-items: center; justify-content: center; gap: 7px; white-space: nowrap; }
.mobile-sticky-cta__label img { width: 19px; height: 21px; object-fit: contain; }
.mobile-sticky-cta__btn--catalog { background: #4c9a80; }
.mobile-sticky-cta__btn--email { background: #33765f; }

@media (max-width: 768px) {
  /* TOPで確定したフローティングCTAを全ページで共通利用する。 */
  .mobile-sticky-cta {
    left: 30px;
    right: 30px;
    bottom: 18px;
    gap: 8px;
    padding-bottom: env(safe-area-inset-bottom, 0);
    background: transparent;
    box-shadow: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(calc(100% + 24px));
    transition: opacity .25s ease, transform .25s ease, visibility 0s linear .25s;
  }
  .mobile-sticky-cta.is-scroll-visible:not(.is-contact-hidden) {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition: opacity .25s ease, transform .25s ease, visibility 0s linear 0s;
  }
  .mobile-sticky-cta__btn {
    min-height: 60px;
    padding: 10px 8px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
  }
  .mobile-sticky-cta__badge { display: none; }
  .mobile-sticky-cta__btn--email .mobile-sticky-cta__label { font-size: 0; }
  .mobile-sticky-cta__btn--email .mobile-sticky-cta__label::after {
    content: 'お問い合わせ';
    font-size: 16px;
  }
  .mobile-sticky-cta__btn--catalog { background: #f57a24; }
  .mobile-sticky-cta__btn--email { background: #33765f; }

  /* メニュー操作中は追従CTAを隠し、メニューの操作領域を画面下まで確保。 */
  body.menu-open .mobile-sticky-cta {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(100%);
  }
}

/* ==========================================================================
   共通CTAボタン（サイト全体で使用する主要CTA。KV等）
   ========================================================================== */
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: var(--tap-min);
  padding: 13px 24px;
  border-radius: 999px;
  border: 1.5px solid var(--color-green-dark);
  background: var(--color-green-dark);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-cta__arrow { transition: transform 0.2s ease; }
.btn-cta:hover, .btn-cta:focus-visible {
  background: #fff;
  color: var(--color-green-dark);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1.5px var(--color-green-dark), 0 10px 24px rgba(0, 0, 0, 0.18);
}
.btn-cta:hover .btn-cta__arrow, .btn-cta:focus-visible .btn-cta__arrow { transform: translateX(3px); }
.btn-cta:active { transform: translateY(0); box-shadow: none; }

/* ==========================================================================
   共通セクション見出し（EYEBROW ── 日本語ラベル。PURPOSE/CONTACT等で使用）
   ========================================================================== */
.section-eyebrow { display: inline-flex; align-items: center; gap: var(--section-eyebrow-gap); }
.section-eyebrow__en {
  font-family: "Inter", sans-serif;
  font-size: var(--section-eyebrow-size);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--color-green-bright);
}
.section-eyebrow__rule { width: var(--section-eyebrow-rule-width); height: 2px; background: rgba(255, 255, 255, 0.35); flex: none; }
.section-eyebrow__ja { font-size: var(--section-eyebrow-ja-size); font-weight: 600; color: var(--color-text-muted); white-space: nowrap; }
.section-eyebrow--on-photo .section-eyebrow__en { color: #fff; }
.section-eyebrow--on-photo .section-eyebrow__ja { color: rgba(255, 255, 255, 0.8); }

.section-eyebrow--on-light .section-eyebrow__en { color: var(--color-green-dark); }
.section-eyebrow--on-light .section-eyebrow__rule { background: rgba(0, 0, 0, 0.15); }
.section-eyebrow--on-light .section-eyebrow__ja { color: #2B2B2B; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.15s ease;
}
.link-arrow:hover { color: var(--color-green-bright); }
.link-arrow svg { transition: transform 0.2s ease; }
.link-arrow:hover svg { transform: translateX(3px); }

/* ==========================================================================
   レスポンシブ（1.3節: モバイル最適化）
   ========================================================================== */
@media (min-width: 769px) and (max-width: 1320px) {
  .utility-bar__inner {
    display: flex;
    gap: clamp(12px, 1.4vw, 20px);
    padding-left: 5%;
  }
  .utility-bar__inner > .logo { flex: 1 1 auto; align-self: center; }
  .site-header .logo__image { width: clamp(190px, 15vw, 248px); }
  .utility-bar__tagline { display: none; }
  .utility-bar__contact { flex: none; }
  .utility-bar__tel { font-size: clamp(26px, 2vw, 32px); }
  .utility-bar__contact-label { font-size: 12px; }
  .utility-bar__hours { font-size: 10px; }
  .utility-bar__cta { flex: none; grid-template-columns: repeat(2, clamp(170px, 15vw, 248px)); }
  .cta-btn { width: 100%; padding-inline: 10px; font-size: clamp(14px, 1.1vw, 16px); }
  .cta-btn__badge { min-width: 112px; font-size: 11px; }
}

@media (min-width: 769px) and (max-width: 900px) {
  .utility-bar__contact { display: none; }
}

@media (max-width: 768px) {
  :root {
    --section-space-top: 72px;
    --section-space-bottom: 72px;
    --section-title-gap: 24px;
    --section-content-gap: 40px;
    --section-eyebrow-size: 28px;
    --section-eyebrow-ja-size: 12px;
    --section-eyebrow-gap: 10px;
    --section-eyebrow-rule-width: 28px;
  }
  .section-eyebrow {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .section-eyebrow__rule { display: none; }
  .utility-bar__inner { min-height: 80px; padding: 5px 24px; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto; column-gap: 12px; row-gap: 0; }
  .utility-bar__inner > .logo { grid-column: 1; grid-row: 1; }
  .site-header .logo__image { width: 170px; }
  .utility-bar__tagline { display: none; }
  .utility-bar__contact { display: none; }
  .utility-bar__cta { display: none; }
  .hamburger {
    display: flex;
    position: fixed;
    top: 18px;
    right: 24px;
    z-index: 102;
    margin: 0;
  }

  body.menu-open { overflow: hidden; }
  body.menu-open .utility-bar__inner > .logo { visibility: hidden; }
  body.menu-open .hamburger {
    top: 18px;
    right: 24px;
  }
  body.menu-open .hamburger span { background: #fff; }

  .site-nav {
    display: block;
    position: fixed;
    inset: 0;
    bottom: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    border: 0;
    background: #191919;
    color: #fff;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .3s ease, visibility 0s linear .3s;
  }
  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition-delay: 0s;
  }
  .site-nav__list--desktop { display: none; }
  .mobile-menu {
    display: block;
    min-height: 100%;
    padding: max(42px, calc(env(safe-area-inset-top) + 34px)) clamp(22px, 7vw, 34px) max(34px, env(safe-area-inset-bottom));
  }
  .mobile-menu__top,
  .mobile-menu__group-title a,
  .mobile-menu__primary-links a {
    display: flex;
    align-items: center;
    min-height: 42px;
    font-size: 17px;
    font-weight: 400;
    line-height: 1.4;
  }
  .mobile-menu__group { margin-top: 0; }
  .mobile-menu__group-title { margin: 0; }
  .mobile-menu__group ul {
    margin-bottom: 12px;
    border-left: 1px solid rgba(255,255,255,.34);
  }
  .mobile-menu__group li a {
    min-height: 30px;
    padding: 4px 7px 4px 9px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 11px;
    line-height: 1.45;
    color: rgba(255,255,255,.92);
  }
  .mobile-menu__group li a > span:last-child {
    flex: none;
    font-size: 20px;
    font-weight: 200;
    line-height: 1;
  }
  .mobile-menu__primary-links { margin-top: 2px; }
  .mobile-menu__primary-links li + li { margin-top: 0; }
  .mobile-menu__privacy {
    display: inline-flex;
    margin-top: 8px;
    min-height: 36px;
    align-items: center;
    font-size: 11px;
    color: rgba(255,255,255,.55);
  }

  .site-footer {
    position: relative;
    min-height: auto;
    margin-top: -1px;
    border-top: 0;
    padding: clamp(44px, 9.7vw, 66px) clamp(24px, 11.1vw, 76px) 136px;
  }
  .site-footer__inner {
    display: block;
    padding-bottom: 0;
  }
  .site-footer__company { grid-row: auto; }
  .site-footer .logo--footer { width: min(100%, 520px); }
  .site-footer__address {
    margin-top: clamp(32px, 7.3vw, 50px);
    font-size: clamp(13px, 3.2vw, 22px);
    line-height: 1.5;
    letter-spacing: .035em;
  }
  .site-footer__address p { margin-bottom: clamp(9px, 1.8vw, 13px); white-space: nowrap; }
  .site-footer__nav,
  .site-footer__sub,
  .site-footer__legal-links { display: none; }
  .site-footer__legal {
    position: absolute;
    left: clamp(24px, 10.15vw, 69px);
    bottom: 38px;
    width: auto;
    margin: 0;
    padding: 0;
    transform: none;
    display: block;
    font-size: clamp(10px, 1.9vw, 13px);
  }

  .mobile-sticky-cta { display: flex; }
}

@media (max-width: 360px) {
  .site-footer__address p {
    white-space: normal;
    overflow-wrap: anywhere;
  }
}

/* Tablet portrait footer: prevent the mobile clamp values from becoming oversized. */
@media (min-width: 600px) and (max-width: 768px) {
  .site-footer {
    padding: 64px 52px 128px;
  }

  .site-footer__inner {
    max-width: 600px;
    margin-inline: auto;
  }

  .site-footer .logo--footer {
    width: min(100%, 420px);
  }

  .site-footer__address {
    margin-top: 38px;
    font-size: 16px;
    line-height: 1.55;
  }

  .site-footer__legal {
    left: max(52px, calc((100% - 600px) / 2));
    bottom: 38px;
    font-size: 11px;
  }
}

/* フォーカス可視化（キーボード操作対応） */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-green-bright);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .page-transition,
  .page-transition.is-entering { animation-duration: .01ms; transition-duration: .01ms; }
  .site-nav { transition-duration: .01ms; }
}