/* ==========================================================
   TOPページ モーション（motion.js とセット）
   - 既存の transform を壊さないよう translate / scale / rotate の個別プロパティで動かす
   - 非表示にするのは html.has-motion のときだけ（JSが動かない環境では常に表示）
   - 「視差効果を減らす」設定の端末ではすべて無効
   ========================================================== */

:root {
  --m-green: #406b51;
  --m-green-light: #6f9a7d;
  --m-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --m-ease-soft: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ---------- スクロール進捗バー ---------- */
.m-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10000;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--m-green-light), var(--m-green));
  transform-origin: 0 50%;
  scale: 0 1;
  pointer-events: none;
}

/* ---------- メインビジュアル ---------- */
.has-motion .topMv-imgBox {
  overflow: hidden;
}
.has-motion .topMv-mainImg img {
  scale: 1.12;
  filter: brightness(0.85);
  transition: scale 2.6s var(--m-ease), filter 2.6s var(--m-ease);
}
.has-motion .topMv-imgBox::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 200;
  background: var(--m-green);
  clip-path: inset(0 0 0 0);
  transition: clip-path 1.3s var(--m-ease-soft);
  pointer-events: none;
}
.has-motion .topMv-ttl01 img {
  opacity: 0;
  translate: 0 30px;
  filter: blur(12px);
  transition: opacity 1.4s var(--m-ease) 0.9s, translate 1.4s var(--m-ease) 0.9s, filter 1.4s var(--m-ease) 0.9s;
}
.has-motion .topMv.is-ready .topMv-mainImg img {
  scale: 1;
  filter: brightness(1);
}
.has-motion .topMv.is-ready .topMv-imgBox::after {
  clip-path: inset(0 0 0 100%);
}
.has-motion .topMv.is-ready .topMv-ttl01 img {
  opacity: 1;
  translate: 0 0;
  filter: blur(0);
}
/* スクロール時の視差（JSで --mv-shift を更新） */
.has-motion .topMv-mainImg {
  display: block;
  translate: 0 calc(var(--mv-shift, 0) * 1px);
}

/* スクロール誘導 */
.m-scroll {
  position: absolute;
  right: 34px;
  bottom: 40px;
  z-index: 150;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-family: "Marcellus", serif;
  font-size: 12px;
  letter-spacing: 0.25em;
  writing-mode: vertical-rl;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.35);
  opacity: 0;
  transition: opacity 1s ease 2s;
  pointer-events: none;
}
.topMv.is-ready .m-scroll {
  opacity: 1;
}
.m-scroll::after {
  content: "";
  width: 1px;
  height: 64px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, #fff 50%, rgba(255, 255, 255, 0) 100%);
  background-size: 100% 200%;
  animation: m-scroll-line 2.2s var(--m-ease-soft) infinite;
}
@keyframes m-scroll-line {
  0% { background-position: 0 100%; }
  100% { background-position: 0 -100%; }
}
@media screen and (max-width: 768px) {
  .m-scroll { display: none; }
}

/* ---------- 見出し（英字1文字ずつ＋和文＋葉） ---------- */
.m-char {
  display: inline-block;
  white-space: pre;
}
.has-motion .cmn-ttl .m-char {
  opacity: 0;
  translate: 0 0.7em;
  rotate: 8deg;
  transition: opacity 0.8s var(--m-ease), translate 0.8s var(--m-ease), rotate 0.8s var(--m-ease);
  transition-delay: calc(var(--i, 0) * 35ms);
}
.has-motion .cmn-ttl .cmn-ttl-jp {
  opacity: 0;
  translate: 0 16px;
  transition: opacity 1s var(--m-ease) 0.35s, translate 1s var(--m-ease) 0.35s;
}
.has-motion .cmn-ttl::before,
.has-motion .cmn-ttl::after {
  opacity: 0;
  transition: opacity 1.2s var(--m-ease) 0.2s, rotate 1.2s var(--m-ease) 0.2s;
}
.has-motion .cmn-ttl::before {
  rotate: -30deg;
  transform-origin: 80% 90%;
}
.has-motion .cmn-ttl::after {
  rotate: 30deg;
  transform-origin: 20% 90%;
}
.has-motion .cmn-ttl.is-in .m-char,
.has-motion .cmn-ttl.is-in .cmn-ttl-jp {
  opacity: 1;
  translate: 0 0;
  rotate: 0deg;
}
.has-motion .cmn-ttl.is-in::before,
.has-motion .cmn-ttl.is-in::after {
  opacity: 1;
  rotate: 0deg;
}
/* 表示後は葉がゆっくり揺れる */
.has-motion .cmn-ttl.is-swaying::before {
  animation: m-sway-l 6s ease-in-out infinite;
}
.has-motion .cmn-ttl.is-swaying::after {
  animation: m-sway-r 6s ease-in-out infinite;
}
@keyframes m-sway-l {
  0%, 100% { rotate: 0deg; }
  50% { rotate: -4deg; }
}
@keyframes m-sway-r {
  0%, 100% { rotate: 0deg; }
  50% { rotate: 4deg; }
}

/* ---------- 汎用リビール ---------- */
.has-motion [data-m="up"] {
  opacity: 0;
  translate: 0 40px;
  transition: opacity 1s var(--m-ease), translate 1s var(--m-ease);
  transition-delay: calc(var(--d, 0) * 1ms);
}
.has-motion [data-m="left"] {
  opacity: 0;
  translate: -40px 0;
  transition: opacity 1s var(--m-ease), translate 1s var(--m-ease);
  transition-delay: calc(var(--d, 0) * 1ms);
}
.has-motion [data-m="fade"] {
  opacity: 0;
  transition: opacity 1.2s var(--m-ease);
  transition-delay: calc(var(--d, 0) * 1ms);
}
.has-motion [data-m].is-in {
  opacity: 1;
  translate: 0 0;
}

/* 画像のマスクリビール（カーテンが開くように表示し、中の画像は少し引き） */
.has-motion [data-m="mask"] {
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.3s var(--m-ease-soft);
  transition-delay: calc(var(--d, 0) * 1ms);
}
.has-motion [data-m="mask-x"] {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1.3s var(--m-ease-soft);
  transition-delay: calc(var(--d, 0) * 1ms);
}
picture[data-m^="mask"] {
  display: block;
}
.has-motion [data-m="mask"] img,
.has-motion [data-m="mask-x"] img {
  scale: 1.15;
  transition: scale 1.8s var(--m-ease);
  transition-delay: calc(var(--d, 0) * 1ms);
}
.has-motion [data-m="mask"].is-in,
.has-motion [data-m="mask-x"].is-in {
  clip-path: inset(0 0 0 0);
}
.has-motion [data-m="mask"].is-in img,
.has-motion [data-m="mask-x"].is-in img {
  scale: 1;
}

/* キャッチコピー：上下の罫線が中央から伸びる */
.has-motion .catch {
  border-color: transparent;
  position: relative;
}
.has-motion .catch::before,
.has-motion .catch::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--m-green);
  scale: 0 1;
  transition: scale 1.4s var(--m-ease-soft);
}
.has-motion .catch::before { top: -1px; }
.has-motion .catch::after { bottom: -1px; }
.has-motion .catch.is-in::before,
.has-motion .catch.is-in::after {
  scale: 1 1;
}
.has-motion .catch .m-char {
  opacity: 0;
  filter: blur(6px);
  transition: opacity 0.9s var(--m-ease), filter 0.9s var(--m-ease);
  transition-delay: calc(400ms + var(--i, 0) * 45ms);
}
.has-motion .catch.is-in .m-char {
  opacity: 1;
  filter: blur(0);
}

/* 「ダイレクトボンディング」帯：左から伸びる */
.has-motion .tp-treatment-content .inner-box .hd {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1.1s var(--m-ease-soft) 0.2s;
}
.has-motion .tp-treatment-content .inner-box .hd.is-in {
  clip-path: inset(0 0 0 0);
}

/* 症例の浮遊写真 */
.has-motion .tp-case .img01,
.has-motion .tp-case .img02 {
  animation: m-float 7s ease-in-out infinite;
}
.has-motion .tp-case .img02 {
  animation-duration: 8.5s;
  animation-delay: -3s;
}
@keyframes m-float {
  0%, 100% { translate: 0 calc(var(--px, 0) * 1px); }
  50% { translate: 0 calc(var(--px, 0) * 1px - 14px); }
}

/* ==========================================================
   ホバー（マウス操作の端末のみ）＋キーボードフォーカス
   ========================================================== */

/* 画像を内側でズームさせる共通の器 */
.banner-box a,
.banner03,
.tp-menu-list-item a,
.tp-feature-list-item picture,
.tp-guide-content .item .imgBox {
  overflow: hidden;
}
.banner-box a img,
.banner03 img,
.tp-menu-list-item a img,
.tp-feature-list-item picture img,
.tp-guide-content .item img.imgBox {
  transition: scale 0.9s var(--m-ease), filter 0.9s var(--m-ease);
}

/* バナー：浮き上がり＋光が走る */
.banner-box a,
.banner03 {
  display: block;
  position: relative;
  border-radius: 10px;
  transition: translate 0.5s var(--m-ease), box-shadow 0.5s var(--m-ease);
}
.banner-box a::after,
.banner03::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.45) 50%, transparent 70%);
  translate: -120% 0;
  pointer-events: none;
}

/* 診療メニュー：カードが浮き、写真がズーム、矢印が進む */
.tp-menu-list-item {
  transition: translate 0.5s var(--m-ease), box-shadow 0.5s var(--m-ease);
  will-change: transform;
}
.tp-menu-list-item span {
  transition: color 0.4s ease;
}
.tp-menu-list-item span::before {
  transition: translate 0.5s var(--m-ease);
}

/* VIEW MORE：文字間が広がり矢印が伸びる */
.more-bt {
  transition: letter-spacing 0.5s var(--m-ease), opacity 0.4s ease;
}
.more-bt::after {
  transition: translate 0.6s var(--m-ease);
}

/* お知らせ・症例・コラムの一覧 */
.newsList-item {
  position: relative;
  isolation: isolate;
}
.newsList-item > a {
  position: relative;
  display: block;
}
.newsList-item > a::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(64, 107, 81, 0.06);
  scale: 0 1;
  transform-origin: 0 50%;
  transition: scale 0.6s var(--m-ease);
}
.newsList-item::before {
  transition: translate 0.5s var(--m-ease);
}
.newsList-item .ttl {
  transition: color 0.4s ease;
}

/* ボタン：浮き上がり＋光 */
.reseveBox .tel-bt,
.reseveBox .mail-bt {
  position: relative;
  overflow: hidden;
  transition: translate 0.4s var(--m-ease), box-shadow 0.4s var(--m-ease), filter 0.4s ease;
}
.reseveBox .tel-bt::after,
.reseveBox .mail-bt::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.35) 50%, transparent 70%);
  translate: -120% 0;
  pointer-events: none;
}

/* ヘッダーナビのホバー表現は nav.css 側で全ページ共通に定義 */

@media (hover: hover) and (pointer: fine) {
  .banner-box a:hover,
  .banner03:hover {
    translate: 0 -4px;
    box-shadow: 0 18px 40px -18px rgba(37, 66, 49, 0.45);
  }
  .banner-box a:hover img,
  .banner03:hover img {
    scale: 1.04;
  }
  .banner-box a:hover::after,
  .banner03:hover::after {
    translate: 120% 0;
    transition: translate 1.1s var(--m-ease);
  }

  .tp-menu-list-item:hover {
    translate: 0 -6px;
    box-shadow: 0 22px 40px -22px rgba(37, 66, 49, 0.5);
  }
  .tp-menu-list-item:hover img {
    scale: 1.08;
  }
  .tp-menu-list-item:hover span {
    color: var(--m-green);
  }
  .tp-menu-list-item:hover span::before {
    translate: 4px 0;
  }

  .tp-feature-list-item:hover picture img {
    scale: 1.05;
  }

  .tp-guide-content .item:hover img.imgBox {
    scale: 1.03;
  }

  .more-bt:hover {
    letter-spacing: 0.12em;
  }
  .more-bt:hover::after {
    translate: 10px 0;
  }

  .newsList-item:hover > a::before {
    scale: 1 1;
  }
  .newsList-item:hover::before {
    translate: 6px 0;
  }
  .newsList-item:hover .ttl {
    color: var(--m-green);
  }

  .reseveBox .tel-bt:hover,
  .reseveBox .mail-bt:hover {
    translate: 0 -3px;
    box-shadow: 0 14px 28px -14px rgba(0, 0, 0, 0.45);
    filter: brightness(1.06);
  }
  .reseveBox .tel-bt:hover::after,
  .reseveBox .mail-bt:hover::after {
    translate: 120% 0;
    transition: translate 0.9s var(--m-ease);
  }
}

/* キーボード操作でも同じ見た目に */
.banner-box a:focus-visible,
.banner03:focus-visible,
.tp-menu-list-item a:focus-visible,
.more-bt:focus-visible,
.newsList-item a:focus-visible,
.reseveBox a:focus-visible {
  outline: 2px solid var(--m-green);
  outline-offset: 4px;
}
.tp-menu-list-item:focus-within {
  translate: 0 -6px;
  box-shadow: 0 22px 40px -22px rgba(37, 66, 49, 0.5);
}

/* ---------- 動きを減らす設定 ---------- */
@media (prefers-reduced-motion: reduce) {
  .m-progress,
  .m-scroll {
    display: none;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0s !important;
  }
}