@charset "UTF-8";

/*========================================
KM モーション（共通アニメーション）

【ナビ】 km-nav-rush … 疾走感ナビリンク
【電話】 km-tel-rush … 電話CTA全体（優雅・トランジション）
         km-tel-rush__icon … 受話器アイコン
         km-tel-rush__num   … 電話番号
         km-tel-rush__label … ラベルボタン
========================================*/

/* ----- km-nav-rush ----- */
@keyframes km-nav-rush{
  0%{
    left: -120%;
    opacity: 0;
  }
  20%{
    opacity: 1;
  }
  100%{
    left: 120%;
    opacity: 0;
  }
}

.km-nav-rush{
  position: relative;
  overflow: hidden;
}
@media (prefers-reduced-motion: no-preference) {
  .km-nav-rush{
    transition: color 0.15s ease, transform 0.2s cubic-bezier(0.4, 0, 1, 1);
  }
}

.km-nav-rush::before{
  content: "";
  position: absolute;
  top: 50%;
  left: -120%;
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, transparent, #E70012 60%, transparent);
  transform: translateY(-50%) skewX(-20deg);
  opacity: 0;
  pointer-events: none;
}
.km-nav-rush::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: #E70012;
  transform: skewX(-12deg);
  transform-origin: left center;
}
@media (prefers-reduced-motion: no-preference) {
  .km-nav-rush::after{
    transition: width 0.18s cubic-bezier(0.4, 0, 1, 1);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .km-nav-rush:hover,
  .km-nav-rush:focus-visible{
    transform: translateX(5px);
  }
  .km-nav-rush:hover::before,
  .km-nav-rush:focus-visible::before{
    animation: km-nav-rush 0.38s cubic-bezier(0.4, 0, 1, 1) forwards;
  }
}

.km-nav-rush:hover,
.km-nav-rush:focus-visible{
  color: #E70012;
}

.km-nav-rush:hover::after,
.km-nav-rush:focus-visible::after{
  width: 100%;
}

/* ドロワー等・明るい文字上 */
.km-nav-rush--light{
  color: #ffffff;
}
.km-nav-rush--light:hover,
.km-nav-rush--light:focus-visible{
  color: #ffffff;
}

/* フッター等・▸付き */
.km-nav-rush--bullet{
  display: inline-flex;
  align-items: center;
}
.km-nav-rush__bullet{
  color: #999;
  font-size: 12px;
  margin-right: 8px;
  flex-shrink: 0;
  line-height: 1;
}

/* ----- km-tel-rush（優雅・落ち着いた電話CTA） ----- */
.km-tel-rush{
  position: relative;
  overflow: hidden;
  border-left: 3px solid transparent;
}
@media (prefers-reduced-motion: no-preference) {
  .km-tel-rush{
    transition: background-color 0.45s ease, border-color 0.45s ease, box-shadow 0.45s ease;
  }
}

.km-tel-rush::before{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 40%, rgba(231, 0, 18, 0.08) 100%);
  opacity: 0;
  pointer-events: none;
}
@media (prefers-reduced-motion: no-preference) {
  .km-tel-rush::before{
    transition: opacity 0.45s ease;
  }
}

.km-tel-rush::after{
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #E70012;
}
@media (prefers-reduced-motion: no-preference) {
  .km-tel-rush::after{
    transition: width 0.55s cubic-bezier(0.25, 0.1, 0.25, 1);
  }
}

.km-tel-rush:hover,
.km-tel-rush:focus-visible{
  background-color: #2e2e2e;
  border-left-color: #E70012;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.km-tel-rush:hover::before,
.km-tel-rush:focus-visible::before{
  opacity: 1;
}

.km-tel-rush:hover::after,
.km-tel-rush:focus-visible::after{
  width: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  .km-tel-rush:hover .km-tel-rush__icon,
  .km-tel-rush:focus-visible .km-tel-rush__icon{
    opacity: 1;
    transform: scale(1.04);
  }
  .km-tel-rush:hover .km-tel-rush__num,
  .km-tel-rush:focus-visible .km-tel-rush__num{
    opacity: 1;
    letter-spacing: 0.1em;
  }
}

.km-tel-rush:hover .km-tel-rush__label,
.km-tel-rush:focus-visible .km-tel-rush__label{
  background-color: #E70012;
  color: #fff;
  box-shadow: 0 2px 12px rgba(231, 0, 18, 0.2);
}

.km-tel-rush__icon{
  display: inline-block;
  opacity: 0.88;
}
@media (prefers-reduced-motion: no-preference) {
  .km-tel-rush__icon{
    transition: opacity 0.45s ease, transform 0.45s ease;
  }
}

.km-tel-rush__num{
  display: inline-block;
  opacity: 0.95;
}
@media (prefers-reduced-motion: no-preference) {
  .km-tel-rush__num{
    transition: opacity 0.45s ease, letter-spacing 0.45s ease;
  }
}

.km-tel-rush__label{
  position: relative;
  z-index: 1;
}
@media (prefers-reduced-motion: no-preference) {
  .km-tel-rush__label{
    transition: background-color 0.45s ease, color 0.45s ease, box-shadow 0.45s ease;
  }
}

/* 赤背景上（ドロワー等） */
.km-tel-rush--on-red::before{
  background: linear-gradient(120deg, transparent 40%, rgba(255, 255, 255, 0.1) 100%);
}
.km-tel-rush--on-red:hover,
.km-tel-rush--on-red:focus-visible{
  background-color: #d40010;
  border-left-color: rgba(255, 255, 255, 0.7);
  box-shadow: none;
}
.km-tel-rush--on-red::after{
  background: rgba(255, 255, 255, 0.6);
}
.km-tel-rush--on-red:hover .km-tel-rush__label,
.km-tel-rush--on-red:focus-visible .km-tel-rush__label{
  background-color: #ffffff;
  color: #1a1a1a;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}

/*========================================
KM モーション — デザインシステム

トークン:
  --km-rush-ease   … 疾走感（加速）
  --km-settle-ease … 落ち着いた減速
  --km-red         … #E70012

クラス:
  .km-section-head  … セクション見出し（スライドインのみ）
  .km-section-body  … セクションコンテンツ
  .km-card          … カードずらし表示
========================================*/

:root{
  --km-rush-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --km-settle-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --km-red: #E70012;
  --km-section-duration: 0.65s;
  --km-heading-duration: 0.55s;
  --km-body-duration: 0.7s;
  --km-card-duration: 0.55s;
}

/* 旧 km-heading--rush（キャッシュ残り対策・各ページCSSで赤線を管理） */
.km-heading--rush::before,
.km-heading--rush::after{
  content: none !important;
  display: none !important;
}

/* ----- セクション（トリガーのみ・自身は動かさない） ----- */
.km-section{
  /* 表示トリガー用コンテナ */
}

@media (prefers-reduced-motion: no-preference) {
  /* 見出し：先に左から疾走 */
  html.km-ready .km-section:not(.km-is-visible) .km-section-head{
    opacity: 0;
    transform: translate3d(-18px, 0, 0);
  }

  html.km-ready .km-section.km-is-visible .km-section-head{
    opacity: 1;
    transform: none;
    transition:
      opacity var(--km-heading-duration) var(--km-settle-ease) 0.02s,
      transform var(--km-heading-duration) var(--km-rush-ease) 0.02s;
  }

  /* コンテンツ：見出しのあとに浮上 */
  html.km-ready .km-section:not(.km-is-visible) .km-section-body{
    opacity: 0;
    transform: translate3d(0, 24px, 0);
  }

  html.km-ready .km-section.km-is-visible .km-section-body{
    opacity: 1;
    transform: none;
    transition:
      opacity var(--km-body-duration) var(--km-settle-ease) var(--km-body-delay, 0.12s),
      transform var(--km-body-duration) var(--km-rush-ease) var(--km-body-delay, 0.12s);
  }

  /* セクション内の旧クラスは二重非表示を防ぐ */
  html.km-ready .km-section .js-reveal:not(.km-is-visible),
  html.km-ready .km-section .km-scroll:not(.km-is-visible){
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ----- SP：動きをはっきり ----- */
@media (prefers-reduced-motion: no-preference) and (max-width: 900px) {
  html.km-ready .km-section:not(.km-is-visible) .km-section-head{
    transform: translate3d(-22px, 0, 0);
  }

  html.km-ready .km-section:not(.km-is-visible) .km-section-body{
    transform: translate3d(0, 32px, 0);
  }

  html.km-ready .km-section:not(.km-is-visible) .km-card{
    transform: translate3d(0, 36px, 0) scale(0.98);
  }
}

/* ----- service 見出し（ローマ字・日本語を段階表示） ----- */
@media (prefers-reduced-motion: no-preference) {
  html.km-ready .km-section:not(.km-is-visible) .service-section-title.km-section-head{
    opacity: 1;
    transform: none;
  }

  html.km-ready .km-section:not(.km-is-visible) .service-section-title__sub,
  html.km-ready .km-section:not(.km-is-visible) .service-section-title__en,
  html.km-ready .km-section:not(.km-is-visible) .service-section-title__ja{
    opacity: 0;
    transform: translate3d(-14px, 10px, 0);
  }

  html.km-ready .km-section.km-is-visible .service-section-title__sub{
    opacity: 1;
    transform: none;
    transition: opacity 0.5s var(--km-settle-ease) 0.04s, transform 0.55s var(--km-rush-ease) 0.04s;
  }

  html.km-ready .km-section.km-is-visible .service-section-title__en{
    opacity: 1;
    transform: none;
    transition: opacity 0.55s var(--km-settle-ease) 0.1s, transform 0.6s var(--km-rush-ease) 0.1s;
  }

  html.km-ready .km-section.km-is-visible .service-section-title__ja{
    opacity: 1;
    transform: none;
    transition: opacity 0.5s var(--km-settle-ease) 0.18s, transform 0.55s var(--km-rush-ease) 0.18s;
  }
}

@media (prefers-reduced-motion: no-preference) and (max-width: 900px) {
  html.km-ready .km-section:not(.km-is-visible) .service-section-title__en{
    transform: translate3d(-18px, 12px, 0);
  }
}

/* ----- front-news 見出し（段階表示） ----- */
@media (prefers-reduced-motion: no-preference) {
  html.km-ready .km-section:not(.km-is-visible) .front-news__title.km-section-head{
    opacity: 1;
    transform: none;
  }

  html.km-ready .km-section:not(.km-is-visible) .front-news__title__sub,
  html.km-ready .km-section:not(.km-is-visible) .front-news__title__main{
    opacity: 0;
    transform: translate3d(-14px, 8px, 0);
  }

  html.km-ready .km-section.km-is-visible .front-news__title__sub{
    opacity: 1;
    transform: none;
    transition: opacity 0.5s var(--km-settle-ease) 0.04s, transform 0.55s var(--km-rush-ease) 0.04s;
  }

  html.km-ready .km-section.km-is-visible .front-news__title__main{
    opacity: 1;
    transform: none;
    transition: opacity 0.55s var(--km-settle-ease) 0.12s, transform 0.6s var(--km-rush-ease) 0.12s;
  }
}

/* ----- 関連記事（見出し段階表示） ----- */
@media (prefers-reduced-motion: no-preference) {
  html.km-ready .km-section:not(.km-is-visible) .news-single-related__intro.km-section-head{
    opacity: 1;
    transform: none;
  }

  html.km-ready .km-section:not(.km-is-visible) .news-single-related__heading,
  html.km-ready .km-section:not(.km-is-visible) .news-single-related__subtitle{
    opacity: 0;
    transform: translate3d(-14px, 10px, 0);
  }

  html.km-ready .km-section.km-is-visible .news-single-related__heading{
    opacity: 1;
    transform: none;
    transition: opacity 0.55s var(--km-settle-ease) 0.04s, transform 0.6s var(--km-rush-ease) 0.04s;
  }

  html.km-ready .km-section.km-is-visible .news-single-related__subtitle{
    opacity: 1;
    transform: none;
    transition: opacity 0.5s var(--km-settle-ease) 0.14s, transform 0.55s var(--km-rush-ease) 0.14s;
  }
}

/* ----- 旧クラス互換（TOP 等・セクション外） ----- */
@media (prefers-reduced-motion: no-preference) {
  html.km-ready .line-anim::after{
    transition-duration: 0.55s;
    transition-timing-function: var(--km-settle-ease);
  }

  html.km-ready .reason__title-box__title::before,
  html.km-ready .reason__title-box__title::after,
  html.km-ready .reason__title-box--sp__title::before,
  html.km-ready .reason__title-box--sp__title::after{
    transition-duration: 0.65s;
    transition-timing-function: var(--km-settle-ease);
  }

  html.km-ready .js-reveal:not(.km-is-visible){
    opacity: 0;
    transform: translate3d(0, 18px, 0);
    transition:
      opacity 0.65s var(--km-settle-ease),
      transform 0.65s var(--km-settle-ease);
  }

  html.km-ready .js-reveal.km-is-visible{
    opacity: 1;
    transform: none;
  }

  html.km-ready .km-section.km-is-visible .reveal-shutter.is-animated img{
    clip-path: inset(0 0 0 0);
    transform: scale(1);
  }
}

/* ----- カードずらし表示 ----- */
@media (prefers-reduced-motion: no-preference) {
  html.km-ready .km-section:not(.km-is-visible) .km-card{
    opacity: 0;
    transform: translate3d(-10px, 24px, 0);
  }

  html.km-ready .km-section.km-is-visible .km-card{
    opacity: 1;
    transform: none;
    transition:
      opacity var(--km-card-duration) var(--km-settle-ease) var(--km-card-delay, 0ms),
      transform var(--km-card-duration) var(--km-rush-ease) var(--km-card-delay, 0ms);
  }
}

/* ----- トップ CTAボタン（ほわっと） ----- */
@media (prefers-reduced-motion: no-preference) {
  html.km-ready .km-section:not(.km-is-visible) .reason__btn,
  html.km-ready .km-section:not(.km-is-visible) .cherish__item__only-link{
    opacity: 0;
    transform: translate3d(0, 12px, 0);
  }

  html.km-ready .km-section.km-is-visible .reason__btn,
  html.km-ready .km-section.km-is-visible .cherish__item__only-link{
    opacity: 1;
    transform: none;
    transition:
      opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.2s,
      transform 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.2s;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.km-ready .km-section,
  html.km-ready .km-section-head,
  html.km-ready .km-section-body,
  html.km-ready .km-card,
  html.km-ready .reason__btn,
  html.km-ready .cherish__item__only-link,
  html.km-ready .js-reveal{
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ----- 沿革タイムライン（km-card と併用） ----- */
@media (prefers-reduced-motion: no-preference) {
  html.km-ready .km-section:not(.km-is-visible) .history-story__item:not(.km-card){
    opacity: 0;
    transform: translate3d(-8px, 14px, 0);
  }

  html.km-ready .km-section.km-is-visible .history-story__item:not(.km-card){
    opacity: 1;
    transform: none;
    transition:
      opacity 0.55s var(--km-settle-ease) var(--km-item-delay, 0ms),
      transform 0.55s var(--km-settle-ease) var(--km-item-delay, 0ms);
  }
}