/* =========================================================
   AvatarGPT/VoiceGPT ヒーロー：OOCSS + DRY + レスポンシブ
   ---------------------------------------------------------
   - 共通オブジェクト：.l-container / .c-button / .c-card / .c-badge / .c-stamp
   - コンポーネント固有：.hero 以下
   - ユーティリティ：.u-sr-only
   ========================================================= */

/* -------------------------
   ベース / トークン
------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}
body {
  padding-top: 0 !important;
}
main {
  position: relative;
  /* top: -94px; */
}
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI",
    "Helvetica Neue", Arial, "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo,
    sans-serif;
  color: #111827; /* text-900 */
  background: #f4f7fb; /* page-bg */
  line-height: 1.6;
}
figure {
  margin: 0;
}
.header {
  position: absolute;
}

:root {
  /* 色 */
  --c-primary: #2f6df6;
  --c-primary-600: #2a61e0;
  --c-primary-300: #a8c2ff;
  --c-surface: #ffffff;
  --c-bg: #f4f7fb;
  --c-text: #111827;
  --c-muted: #475569;
  --c-border: #e7eef7;

  /* 余白スケール（4の倍数） */
  --sp-2: 2px;
  --sp-4: 4px;
  --sp-8: 8px;
  --sp-12: 12px;
  --sp-16: 16px;
  --sp-20: 20px;
  --sp-24: 24px;
  --sp-32: 32px;
  --sp-40: 40px;
  --sp-48: 48px;
  --sp-64: 64px;
  --sp-80: 80px;

  /* 角丸 / 影 */
  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 24px;
  --radius-xl: 28px;
  --shadow-1: 0 6px 22px rgba(16, 24, 40, 0.12);
  --shadow-2: 0 10px 30px rgba(16, 24, 40, 0.18);

  /* コンテナ幅 */
  --container-max: 83.3vw;
  --container-pad: clamp(16px, 4vw, 28px);
}
article > * + * {
  margin-top: 0;
}
.sp-br {
  display: none;
}
.content-section {
  margin: 0;
  width: 100%;
}
.content-section__header {
  gap: 24px;
}
.content-section__title {
  font-size: 2.22vw;
  font-weight: 500;
  line-height: 3.75vw;
}
.content-section__description {
  font-family: "Noto Sans JP";
  font-size: 1.04vw;
  font-weight: 300;
  color: #181818;
  line-height: 1.94vw;
  letter-spacing: 0;
}

/* -------------------------
   レイアウト：コンテナ（OOCSS）
------------------------- */
.l-container {
  width: min(100% - var(--container-pad) * 2, var(--container-max));
  margin-inline: auto;
}
.l-container-wide {
  width: 92.2vw;
  margin-inline: auto;
}

/* -------------------------
   コンポーネント：ボタン（OOCSS）
------------------------- */
.c-button {
  --btn-h: 56px;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-12);
  min-height: var(--btn-h);
  padding: 0 var(--sp-24);
  font-weight: 700;
  font-size: clamp(15px, 1.6vw, 16px);
  line-height: 1;
  text-decoration: none;
  border: 0;
  border-radius: 9999px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease,
    opacity 0.15s ease;
  will-change: transform;
}
.c-button:focus-visible {
  outline: 3px solid var(--c-primary-300);
  outline-offset: 2px;
}

/* バリアント */
.c-button--primary {
  color: #fff;
  background: linear-gradient(180deg, var(--c-primary) 0%, #1f56e6 100%);
  box-shadow: 0 6px 16px rgba(47, 109, 246, 0.3);
}
.c-button--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(47, 109, 246, 0.35);
}
.c-button--primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(47, 109, 246, 0.28);
}

.c-button__label {
  display: inline-block;
}
.c-button__icon {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  font-weight: 900;
}

/* -------------------------
   コンポーネント：カード（OOCSS）
------------------------- */
.c-card {
  position: relative;
  background: var(--c-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-1);
  border: 1px solid var(--c-border);
  overflow: hidden;
}

/* -------------------------
   コンポーネント：バッジ（OOCSS）
------------------------- */
.c-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-8);
  padding: 0.69vw 1.11vw;
  border-radius: 9999px;
  font-size: 1.11vw;
  font-weight: 400;
  color: #4a6ffe;
  background: var(--c-primary);
  box-shadow: 0 6px 14px rgba(47, 109, 246, 0.35);
}
.c-badge__label {
  white-space: nowrap;
}

/* -------------------------
   コンポーネント：スタンプ（OOCSS）
------------------------- */
.c-stamp {
  display: inline-block;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(16, 24, 40, 0.18);
}
.c-stamp img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* -------------------------
   ユーティリティ
------------------------- */
.u-sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* =========================================================
   ヒーロー（コンポーネント固有）
========================================================= */
.hero {
  position: relative;
  overflow: hidden;

  background: linear-gradient(
      90deg,
      #91b9ff 0%,
      #f8fbff 38%,
      #e3eeff 64%,
      #bed6ff 100%
    )
    border-box;
}

/* 背景画像（装飾） */
.hero__bg {
  width: 98%;
  height: 96%;
  margin: 1.12vw auto;
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  border-radius: 1.12vw;
}
.hero__bg img {
  object-position: center;
  object-fit: cover;
}
.kv-pc {
  display: block;
}
.kv-sp {
  display: none;
}
/* トラックを横に2枚並べ、全体を左へ流す */
.kv-track {
  display: flex;
  width: 200%;
  height: 100%;
  animation: kv-scroll 45s linear infinite;
  will-change: transform;
}
.kv-track img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

/* 0% → -50% まで動かすと、ちょうど2枚目が先頭に来て継ぎ目なくループ */
@keyframes kv-scroll {
  from {
    transform: translate3d(0%, 0, 0);
  }
  to {
    transform: translate3d(-50%, 0, 0);
  }
}

/* 横並び */
.hero__inner {
  position: relative;
}
.hero__body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3.2vw;
  max-width: 80vw;
  margin: 8.54vw 2.91vw 6.32vw;
}

/* 左カラム：テキスト */

.hero__title {
  margin-bottom: 1.94vw;
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: 0.4px;
  font-size: clamp(40px, 5.55vw, 80px);
}
.hero__title-main {
  display: block;
  color: #101010;
  line-height: 1.3;
}
.hero__title-accent {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-12);
  color: var(--c-primary);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
  padding-left: 5vw;
}
.hero__title-icon {
  width: clamp(44px, 6vw, 64px);
  height: clamp(44px, 6vw, 64px);
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(16, 24, 40, 0.22);
  border: 4px solid #fff;
}

.hero__lead {
  margin-bottom: 3.33vw;
  color: #101010;
  font-weight: 500;
  font-size: clamp(16px, 2.2vw, 32px);
  line-height: 2;
}
.hero__cta-group.sp-br {
  display: none;
}

/* CTA + スタンプ */
.hero__cta-group {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--sp-16);
  margin-top: var(--sp-16);
}
.hero__cta {
  /* .c-button を継承（サイズ微調整） */
  --btn-h: 60px;
  padding-inline: clamp(18px, 3vw, 28px);
}
.hero__sticker {
  position: absolute;
  left: -14px;
  top: -18px;
  transform: rotate(-12deg);
  pointer-events: none;
}

/* 右カラム：ビジュアル */
.hero__media {
  display: flex;
  justify-content: center;
  width: 33.98vw;
}
.heromedia {
  display: flex;
  justify-content: center;
  /* 既存の幅をそのまま「flex-basis」に */
  flex: 0 0 33.98vw; /* ← shrink:0, basis:33.98vw */
  min-width: 33.98vw; /* 念のため */
  overflow: visible;
}
.hero__figure {
  /* 額縁っぽい淡い縁取り */
  box-shadow: none;
  position: relative;
  isolation: isolate; /* 新しいスタッキングコンテキストを作る */
  width: 33.98vw;
  height: 42.9vw;
  border-radius: 1.11vw;
  overflow: visible; /* バッジを外側に出す */
  background: none; /* 枠は::beforeに移動 */
  border: none;
}
.hero__figure::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 0.49vw solid transparent;
  background: linear-gradient(#fff, #fff) padding-box,
    linear-gradient(90deg, #91b9ff 0%, #f8fbff 38%, #e3eeff 64%, #bed6ff 100%)
      border-box;
  z-index: 0;
  pointer-events: none;
}
.herofigure {
  width: 100%;
  height: 42.9vw;
  overflow: visible;
  background: none;
  box-shadow: none;
  border: none;
}
.herofigure::before {
  /* content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 0.49vw solid transparent;
  background: linear-gradient(#fff, #fff) padding-box,
    linear-gradient(90deg, #91b9ff 0%, #f8fbff 38%, #e3eeff 64%, #bed6ff 100%)
      border-box;
  z-index: 0;
  pointer-events: none; */
}
.hero__image {
  width: calc(100% - 0.96vw);
  height: 42vw;
  object-fit: cover;
  object-position: 0 -3vw;
  position: relative;
  top: 0.48vw;
  left: 0.48vw;
  z-index: 1;
  border-radius: 0.6vw;
}
.heroimage {
  width: calc(100% - 0.96vw);
  height: 42vw;
  object-fit: cover;
  object-position: 0 -3vw;
  position: relative;
  top: 0.48vw;
  left: 0.48vw;
  z-index: 1;
  border-radius: 0.6vw;
}
.heroimage.fitting {
  object-position: 0 -6vw;
}
.c-badge.hero__badge {
  position: absolute;
  left: 0;
  bottom: 0;
  color: #fff;
  border-radius: 0 1.11vw;
  z-index: 3;
  line-height: 1.11vw;
}
/*animation*/
/* ▼追加：スタック全体（figure内いっぱいに敷く） */
.hero-stack {
  position: absolute;
  inset: 0;
  perspective: 1000px;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  z-index: 1; /* 枠(0)より上・バッジ(3)より下 */
  overflow: visible;
}

/* ▼追加：各カード（動画コンテナ） */
.hero-card {
  position: absolute;
  inset: 0;
  border-radius: 1.11vw;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  isolation: isolate;
  transition: transform 1.2s cubic-bezier(0.215, 0.61, 0.355, 1),
    opacity 0.6s ease;
  will-change: transform, opacity;
  overflow: visible;
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 0.49vw solid transparent;
  background: linear-gradient(#fff, #fff) padding-box,
    linear-gradient(90deg, #91b9ff 0%, #f8fbff 38%, #e3eeff 64%, #bed6ff 100%)
      border-box;
  z-index: 0; /* 枠は最背面（同一カード内） */
  pointer-events: none;
}

/* 初期の重なりと少しの傾き（デモ踏襲、数値は既存寸法に合わせてvw化） */
.hero-stack .hero-card:nth-child(1) {
  /* 背面 */
  transform: rotate(-8deg) translateY(0.52vw) translateX(-0.78vw) scale(0.98);
  opacity: 0.85;
  z-index: 1;
}
.hero-stack .hero-card:nth-child(2) {
  /* 前面 */
  transform: rotate(3deg) translateY(-0.26vw) translateX(0.42vw) scale(1);
  z-index: 2;
}

/* “めくり”時のアニメーションを割り当て */
.hero-stack.flipping .hero-card:nth-child(2) {
  animation: heroCardFlip 1.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}
.hero-stack.flipping .hero-card:nth-child(1) {
  animation: heroCardReveal 1.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.45s
    forwards;
}
.hero-stack.flipping {
  pointer-events: none;
}

/* デモ踏襲のキーフレーム（数値は既存寸法に最適化） */
/* フロント側（めくる側） */
@keyframes heroCardFlip {
  0% {
    transform: rotate(3deg) translateY(-0.26vw) translateX(0.42vw) scale(1);
    opacity: 1; /* 最初は全面に見せる */
  }
  24.99% {
    opacity: 1;
  } /* 25%直前までは見せる */
  25% {
    opacity: 0; /* ★ ここで一気に消して“入替”を見せる */
  }
  60% {
    /* 背面に回る途中。少し戻して影っぽく */
    transform: rotate(-1deg) translateY(0.6vw) translateX(-0.4vw) scale(0.985);
    opacity: 0;
  }
  100% {
    transform: rotate(-8deg) translateY(0.52vw) translateX(-0.78vw) scale(0.98);
    opacity: 0; /* 背面の弱い不透明度で終了 */
  }
}

/* バック側（現れる側） */
@keyframes heroCardReveal {
  0% {
    transform: rotate(-8deg) translateY(0.52vw) translateX(-0.78vw) scale(0.98);
    opacity: 0.85; /* うっすら見えている背面 */
  }
  25% {
    /* ★ ここで一気に前面の明るさへ */
    transform: rotate(0deg) translateY(0vw) translateX(0vw) scale(0.995);
    opacity: 1;
  }
  100% {
    transform: rotate(3deg) translateY(-0.26vw) translateX(0.42vw) scale(1);
    opacity: 1; /* 前面としてフィニッシュ */
  }
}

/* =========================================================
   レスポンシブ
========================================================= */
@media (min-width: 2000px) {
  main {
    /* top: -110px; */
  }
}
/* スマホ用 */
@media (max-width: 767px) {
  main {
    position: relative;
    /* top: -56px; */
  }
  /* -------------------------
   レイアウト：コンテナ（OOCSS）
------------------------- */
  .l-container {
    width: 87.2vw;
    margin-inline: auto;
  }
  .l-container-wide {
    width: 87.2vw;
  }
  .l-container-wide .content-section__header {
    gap: 2.13vw;
  }
  .content-section__label {
    font-size: 3.2vw;
  }
  .content-section__title {
    font-size: 5.33vw;
    font-weight: 600;
    line-height: 9.06vw;
  }
  .content-section__description {
    font-size: 3.73vw;
    line-height: 7.47vw;
    letter-spacing: 0;
  }
  .pc-br {
    display: none;
  }
  .sp-br {
    display: block;
  }
  .hero__cta-group.sp-br {
    display: block;
    width: 100%;
  }
  .hero {
  }
  /* 背景画像（装飾） */
  .kv-pc {
    display: none;
  }
  .kv-sp {
    display: flex;
  }
  .hero__bg {
    width: 96%;
    height: 97%;
    margin: 2.13vw auto;
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    border-radius: 4.26vw;
  }
  .kv-track {
    animation: kv-scroll 15s linear infinite;
  }
  .hero__body {
    flex-direction: column;
    margin: 18.6vw 0 10.7vw;
    max-width: 100%;
    gap: 0;
  }
  .hero__content {
    text-align: center;
    margin-right: 15vw;
    margin-left: 1vw;
  }
  .hero__title {
    font-size: clamp(30px, 10.7vw, 40px);
    text-align: start;
  }
  .hero__title-accent {
    padding-left: 9vw;
  }
  .hero__lead {
    font-size: 3.43vw;
    text-align: start;
    margin-bottom: 6.33vw;
  }
  .hero__cta-group {
    justify-content: center;
  }
  /* 右カラム：ビジュアル */
  .hero__media {
    display: flex;
    justify-content: center;
    width: 62.9vw;
    flex-direction: column;
  }
  .hero__sticker {
    left: -8px;
    top: -12px;
    transform: rotate(-10deg) scale(0.9);
  }
  .hero__figure {
    position: relative;
    isolation: isolate; /* 前面制御のため */
    width: 100%;
    height: 81.9vw;
    margin-inline: auto;
    border-radius: 1.9vw;
    overflow: visible; /* バッジを外側に出す */
    background: none; /* 枠は ::before に持たせる */
    border: none;
  }
  .hero__figure::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 2.12vw;
    border: 0.928vw solid transparent; /* ← SP の枠太さ */
    background: linear-gradient(#fff, #fff) padding-box,
      linear-gradient(90deg, #91b9ff 0%, #f8fbff 38%, #e3eeff 64%, #bed6ff 100%)
        border-box;
    z-index: 0; /* 枠は最背面 */
    pointer-events: none;
  }
  .hero-card::before {
    border-radius: 2.12vw;
    border: 1.8vw solid transparent; /* ← SP の枠太さ */
  }
  .heromedia {
    display: flex;
    justify-content: center;
    /* 既存の幅をそのまま「flex-basis」に */
    flex: 0 0 63.1vw; /* ← shrink:0, basis:33.98vw */
    min-width: 63.1vw; /* 念のため */
    overflow: visible;
  }
  .heroimage {
    width: calc(100% - 1.7vw);
    height: 80vw;
    object-fit: cover;
    object-position: 0 -5vw;
    position: relative;
    top: 0.8vw;
    left: 0.8vw;
    z-index: 1;
    border-radius: 1.8vw;
  }
  .herofigure {
    width: 100%;
    height: 81.9vw;
    overflow: visible;
    background: none;
    box-shadow: none;
    border: none;
  }
  .heroimage.fitting {
    object-position: 0 -13vw;
  }

  /* 動画：中央寄せ + 角丸、枠の内側に1周ぶんオフセット */
  .hero__image {
    position: relative;
    z-index: 1;
    width: calc(100% - 1.6vw); /* 100% - 2 * 枠太さ */
    height: calc(100% - 1.8vw); /* 100% - 2 * 枠太さ */
    left: 0.8vw; /* 枠太さぶん内側へ */
    top: 0.8vw; /* 枠太さぶん内側へ */
    object-fit: cover;
    object-position: 0 -4vw; /* 既存SPの見え方を踏襲（必要なら調整可） */
    border-radius: calc(2.12vw - 0.928vw); /* 親角丸 - 枠太さ = 内側角丸 */
  }
  .hero__cta-group.sp-br .btn__link {
    width: 100%;
    justify-content: center;
    margin-top: 4vw;
  }
  .c-badge.hero__badge {
    font-size: 2.67vw;
    line-height: 2.11vw;
    border-radius: 0 2.12vw;
    padding: 2.4vw 3.07vw;
  }
}

/* =========================================================
   About：What are AvatarGPT & VoiceGPT
   - OOCSS/DRY：共通 .l-container / .c-button / .c-card を流用
   - 本CSSではセクション固有 + 再利用オブジェクト（c-eyebrow）を追加
   ========================================================= */

/* -------------------------
     セクション固有
  ------------------------- */
.about {
  position: relative;
  overflow: hidden;
  padding-block: 8.89vw;
  background: #fff;
}
.about__inner {
  position: relative;
}

/* 背景の波面 */
.about__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.about__bg img {
  width: 100%;
  max-width: none;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
/* 見出しまわり */
.about__header {
  margin-bottom: clamp(24px, 4vw, 40px);
}
.about__eyebrow {
  margin: 0 0 10px;
}
.about__title {
  margin: 0;
  color: var(--c-text, #111827);
  line-height: 1.35;
  font-weight: 900;
  font-size: clamp(26px, 3.2vw, 40px);
  letter-spacing: 0.2px;
}

/* 2カラムグリッド */
.about__grid {
  display: flex;
  align-items: center;
  gap: clamp(32px, 4.44vw, 64px);
  justify-content: center;
}

/* 左：テキスト */
.about__content {
  width: 35.6vw;
}
.about .content-section__header {
  gap: 2.22vw;
}
.about__lead {
  margin: 0 0 24px;
  color: var(--c-muted, #475569);
  font-weight: 600;
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.9;
}
.about__cta-group {
  display: flex;
  gap: 12px;
}
.about__cta {
  --btn-h: 54px;
}

/* 右：イメージ */
.about__figure {
  border-radius: 2.22vw;
  background: none;
  box-shadow: none;
  border: none;
}
.about__figure > img {
  display: block;
  width: 43.3vw;
  height: 28.9vw;
  object-fit: cover;
  border-radius: 2.22vw;
}

/* -------------------------
     ユーティリティ
  ------------------------- */
/* 中程度以上で改行させたい <br class="u-br-md"> 用 */
.u-br-md {
  display: none;
}

/* =========================================================
     レスポンシブ
  ========================================================= */
/* スマホ用 */
@media (max-width: 767px) {
  .about {
    padding: 12.8vw 0;
  }
  .about__grid {
    flex-direction: column;
    gap: 0;
  }
  .about .content-section__header {
    gap: 6.4vw;
  }
  .about__content {
    text-align: left;
    width: 100%;
  }
  .about__figure {
    max-width: 720px;
    margin-inline: auto;
  }
  .u-br-md {
    display: inline;
  }

  .about__header {
    margin-bottom: 20px;
  }
  .about__title {
    font-size: clamp(24px, 7vw, 30px);
  }
  .about__cta-group {
    justify-content: flex-start;
  }
  .about__figure {
    margin-top: 6.67vw;
    width: 100%;
  }
  .u-br-md {
    display: none;
  }
  .about__figure > img {
    display: block;
    width: 100%;
    height: 45.6vw;
    object-fit: cover;
    border-radius: 4.27vw;
  }
  .about .btn--0302H.sp-br {
    margin-top: 3vw;
  }
}

/* =========================================================
   Tech：Core Technologies
   - OOCSS/DRY：.l-container / .c-card / .c-eyebrow を流用
   - 追加オブジェクト：.feature-list（3カラム）/.feature（要素）/.c-circle（汎用リング）
   ========================================================= */
.tech-diff-bg {
  background: linear-gradient(to bottom, #f3f7ff 0%, #ffffff 100%);
}
/* -------------------------
   セクション全体
------------------------- */
.tech {
  position: relative;
  padding-block: clamp(64px, 8vw, 120px);
  background: linear-gradient(180deg, #eef4ff 0%, #f6f9ff 60%, #f8fbff 100%);
  border-radius: 1.94vw;
  padding-block: 6.67vw 3.3vw;
}
.tech__header {
  margin-bottom: clamp(20px, 4vw, 40px);
}
.tech__eyebrow {
  margin: 0 0 10px;
}
.tech__title {
  margin: 0 0 8px;
  font-weight: 900;
  color: var(--c-text, #111827);
  line-height: 1.25;
  font-size: clamp(26px, 3.2vw, 40px);
}
.tech__intro {
  margin: 0;
  color: var(--c-muted, #475569);
  font-weight: 600;
  font-size: clamp(14px, 1.8vw, 16px);
  line-height: 1.9;
  max-width: 56ch;
}

/* -------------------------
     リード（テキスト + 右ビジュアル）
  ------------------------- */
.tech__lead {
  display: flex;
  gap: clamp(40px, 5.56vw, 80px);
  margin-bottom: clamp(28px, 3.89vw, 60px);
}
.tech .content-section {
  width: 32.5vw;
}
.tech__media {
  flex: 0 1 54%;
  height: 19.4vw;
  overflow: hidden;
  background: none;
}
.tech__media video {
  display: block;
  width: 100%;
  border-radius: 1.11vw;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* =========================================================
     3つの中核技術（OOCSS）
  ========================================================= */

/* リスト（OOCSS） */
.feature-list {
  width: 83.3vw;
  height: 25.4vw;
  display: flex;
  justify-content: space-around;
  gap: 4vw;
}
.pc .feature-bg {
  width: 83.3vw;
  position: absolute;
  object-position: center;
  object-fit: cover;
}
.feature-list__item {
  display: flex;
  flex-direction: column;
  gap: 0.56vw;
  width: 15.6vw;
  text-align: center;
  margin-top: 3.5vw;
  position: relative;
}
.feature-list__item--image {
  width: 6.67vw;
  margin: 0 auto;
}
.feature-list__item--title {
  font-size: 1.39vw;
  font-weight: 400;
  line-height: 2.22vw;
  position: relative;
  z-index: 2;
}
.feature-list__item--text {
  font-size: 0.97vw;
  font-weight: 300;
  line-height: 1.8vw;
  position: relative;
  z-index: 2;
}
.feature-list__item--num {
  font-size: 9.31vw;
  font-weight: 400;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateY(-50%) translateX(-50%);
  color: #4a6ffe;
  z-index: 1;
  opacity: 0.08;
}
.feature-list.sp {
  display: none;
}

/* =========================================================
     レスポンシブ
  ========================================================= */
/* スマホ用 */
@media (max-width: 767px) {
  .tech {
    position: relative;
    background: linear-gradient(180deg, #eef4ff 0%, #f6f9ff 60%, #f8fbff 100%);
    border-radius: 10vw;
    padding-block: 13vw 8.53vw;
  }
  .tech__header {
    margin-bottom: clamp(20px, 4vw, 40px);
  }
  .tech__eyebrow {
    margin: 0 0 10px;
  }
  .tech__title {
    margin: 0 0 8px;
    font-weight: 900;
    color: var(--c-text, #111827);
    line-height: 1.25;
    font-size: clamp(26px, 3.2vw, 40px);
  }
  .tech__intro {
    margin: 0;
    color: var(--c-muted, #475569);
    font-weight: 600;
    font-size: clamp(14px, 1.8vw, 16px);
    line-height: 1.9;
    max-width: 56ch;
  }

  /* -------------------------
           リード（テキスト + 右ビジュアル）
        ------------------------- */
  .tech__lead {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(20px, 8.53vw, 40px);
    margin-bottom: clamp(20px, 8.53vw, 40px);
  }
  .tech .content-section {
    width: 100%;
  }
  .tech .content-section__header {
    gap: 4.27vw;
  }
  .tech__media {
    flex: 0 1 54%;
    overflow: hidden;
  }
  .tech__media video {
    display: block;
    width: 87.2vw;
    height: 40.5vw;
    border-radius: 4.27vw;
    aspect-ratio: 16 / 9;
    object-fit: cover;
  }

  /* =========================================================
           3つの中核技術（OOCSS）
        ========================================================= */

  /* リスト（OOCSS） */
  .feature-list.pc {
    display: none;
  }
  .feature-list.sp {
    width: 87.2vw;
    height: 285.9vw;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 42vw;
  }
  .sp .feature-bg {
    width: 87.2vw;
    height: 285.9vw;
    position: absolute;
    object-position: center;
    object-fit: cover;
  }
  .feature-list__item {
    display: flex;
    flex-direction: column;
    gap: 2.13vw;
    width: 59.7vw;
    text-align: center;
    margin-top: 0;
    position: relative;
    margin-left: 14vw;
  }
  .feature-list__item--image {
    width: 19.2vw;
    margin: 0 auto;
  }
  .feature-list__item--title {
    font-size: 4.8vw;
    font-weight: 400;
    line-height: 7.47vw;
    position: relative;
    z-index: 2;
  }
  .feature-list__item--text {
    font-size: 3.73vw;
    font-weight: 300;
    line-height: 6.93vw;
    position: relative;
    z-index: 2;
  }
  .feature-list__item--num {
    font-size: 35.7vw;
    font-weight: 400;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateY(-50%) translateX(-50%);
    color: #4a6ffe;
    z-index: 1;
    opacity: 0.08;
  }
}

/* =========================================================
   Difference：AvatarGPT & VoiceGPT の違い
   - OOCSS/DRY：.l-container / .c-eyebrow を流用
   - 追加オブジェクト：.c-media（汎用メディア）/.compare（表）
   ========================================================= */

/* -------------------------
   汎用メディア（OOCSS）
------------------------- */
.c-media {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.56vw;
  text-align: center;
}
.c-media__img {
  display: block;
}
.c-media__body {
}

/* -------------------------
     セクション
  ------------------------- */
.diff {
  position: relative;
  border-radius: 24px;
  padding-bottom: 4vw;
}
.diff__header {
  margin-bottom: clamp(20px, 4vw, 40px);
}
.diff__eyebrow {
  margin: 0 0 10px;
}
.diff__title {
  margin: 0 0 10px;
  font-weight: 900;
  color: var(--c-text, #111827);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.3;
}
.diff__intro {
  margin: 0;
  color: var(--c-muted, #475569);
  font-weight: 600;
  font-size: clamp(14px, 1.9vw, 16px);
  line-height: 1.9;
  max-width: 56ch;
}
.diff__inner {
  display: flex;
  justify-content: space-between;
  background-color: #fff;
  padding: 3.89vw;
  border-radius: 1.67vw;
  width: 92.2vw;
  margin: 0 auto;
  border: 1px solid #d9e6ff;
}

/* 左右レイアウト */
.diff .content-section {
  width: 35vw;
}
.diff .content-section__header {
  border-right: 1px solid #d9e6ff;
  padding-right: 4.44vw;
  position: sticky;
  top: 90px;
}
.diff .content-section__title {
  letter-spacing: -0.03em;
}
.diff__summary {
  min-height: 520px;
  border-right: 1px solid var(--c-border, #e7eef7);
  padding-right: clamp(8px, 1.4vw, 16px);
  background: radial-gradient(
    160% 120% at -10% 0%,
    rgba(68, 133, 255, 0.08),
    transparent 40%
  );
}

/* 右パネル */
.diff__panel {
  width: 44.6vw;
  position: relative;
  border-radius: 18px;
}

/* -------------------------
     比較テーブル（OOCSS）
  ------------------------- */
.compare {
  width: 100%;
  border-collapse: separate;
  table-layout: fixed;
  color: var(--c-text, #111827);
}
.compare__col {
  width: 1fr;
}

/* ヘッダー（青いピル型） */
.compare__row--head th {
  background: #6e9eff;
  color: #fff;
  font-weight: 700;
  font-size: 1.38vw;
  line-height: 2.22vw;
  padding: 0.57vw 7.29vw;
  border-radius: 0.56vw;
  border: 1px solid #b9d0ff;
  text-align: center;
}
/* border-spacing では効かないため後続で調整 */
.compare__head .compare__row--head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* グループ見出し（薄い帯） */
.compare__grouphead {
  display: block;
  padding: 0.56vw 0;
  text-align: center;
  font-weight: 400;
  font-size: 1.25vw;
  color: #181818;
  background: #f2f2f2;
  border-radius: 0.56vw;
  margin-bottom: 0.56vw;
}

/* データ行 */
.compare__row {
  border-radius: 12px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-bottom: 0.56vw;
}

/* セル */
.compare__cell {
  padding: 0.49vw 14px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.compare__cell:first-child {
  border-right: 1px dashed #d9d9d9;
}

/* アイコン＋ラベル */
.compare__icon {
  width: clamp(40px, 5vw, 80px);
  height: auto;
}
.compare__label {
  color: #181818;
  font-weight: 400;
  font-size: 1.11vw;
  line-height: 1.67vw;
}

/* -------------------------
     レスポンシブ
  ------------------------- */
/* スマホ用 */
@media (max-width: 767px) {
  .diff {
    border-radius: 6.4vw;
    padding-bottom: 10.7vw;
  }
  .diff .content-section {
    width: 100%;
  }
  .diff .content-section__header {
    border-bottom: 1px solid #d9e6ff;
    border-right: none;
    padding-right: 0;
    padding-bottom: 6.4vw;
    gap: 2vw;
  }
  .diff__layout {
    grid-template-columns: 1fr;
  }
  .diff__summary {
    display: none;
  }
  .diff__inner {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color: #fff;
    padding: 7vw 5.33vw;
    border-radius: 6.4vw;
    width: 87vw;
    margin: 0 auto;
    border: 1px solid #d9e6ff;
  }
  .diff .content-section__title {
    font-size: 4.8vw;
  }
  .diff__panel {
    width: 100%;
  }

  /* テーブルをカード風グリッドに再配置 */
  .compare {
    padding-top: 5vw;
  }
  .compare__row--head th {
    background: #6e9eff;
    color: #fff;
    font-weight: 700;
    font-size: 3.73vw;
    line-height: 5.33vw;
    padding: 2.13vw 0;
    border-radius: 2.13vw;
    border: 1px solid #b9d0ff;
    text-align: center;
  }
  .compare__grouphead {
    display: block;
    padding: 2.13vw 0;
    text-align: center;
    font-weight: 400;
    font-size: 3.73vw;
    line-height: 4.8vw;
    color: #181818;
    background: #f2f2f2;
    border-radius: 2.13vw;
    margin-bottom: 1.13vw;
  }
  .compare__row--head {
    grid-template-columns: 1fr 1fr;
  }
  .compare__row {
    margin: 0;
    grid-template-columns: 1fr 1fr;
    row-gap: 0;
    margin-bottom: 2.13vw;
  }
  .compare__cell {
    padding: 1vw 1vw 1vw 3.73vw;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .compare__cell:first-child {
    padding: 1vw 1.73vw;
    border-right: 0;
    border-bottom: none;
    border-right: 1px dashed #d9d9d9;
  }

  /* アイコン＋ラベル */
  .compare__icon {
    width: clamp(40px, 14.9vw, 80px);
    height: auto;
  }
  .compare__label {
    color: #181818;
    font-weight: 400;
    font-size: 3.2vw;
    line-height: 4.8vw;
  }
  .compare__row.compare__row--head {
    margin-bottom: 1vw;
  }
}

/* 動きに配慮 */
@media (prefers-reduced-motion: reduce) {
  .compare__row--head th {
    transition: none;
  }
}
/* =========================================================
   Use Cases：さまざまな業界・現場で活躍します
   - OOCSS/DRY：.l-container / .c-card / .c-eyebrow を再利用
   - 追加オブジェクト：.case-list（フレックスグリッド）/.case（カード）
   ========================================================= */

/* -------------------------
   セクション
------------------------- */
.usecases {
  position: relative;
  padding: 6.67vw 0;
  border-radius: 1.67vw;
  overflow: hidden;
  background-color: #ecf3ff;
}
.usecases-bg {
  position: absolute;
  object-fit: cover;
  object-position: center;
}
.usecases__header {
  margin-bottom: clamp(16px, 3vw, 24px);
}
.usecases__eyebrow {
  margin: 0 0 8px;
}
.usecases__title {
  margin: 0;
  color: var(--c-text, #111827);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.35;
}
.usecases .content-section {
  position: relative;
  z-index: 2;
}

/* ヒーロービジュアル */
.usecases__hero {
  overflow: hidden;
  margin-top: 3vw;
  margin-bottom: 2.78vw;
  border-radius: 20px;
  background: #d9d9d9; /* 画像未入稿時のプレースホルダ色 */
  box-shadow: 0 10px 28px rgba(16, 24, 40, 0.1);
}
.usecases__hero img {
  display: block;
  width: 100%;
  height: 28.3vw;
  border-radius: inherit;
  object-fit: cover;
  aspect-ratio: 24 / 10;
}

/* -------------------------
     事例カードのグリッド（OOCSS）
  ------------------------- */
.case-list {
  --gap-x: clamp(14px, 2.6vw, 24px);
  --gap-y: clamp(14px, 2.6vw, 24px);
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-y) var(--gap-x);
  justify-content: space-between; /* 5枚時に左右に振って間隔を均す */
  margin: 0;
  padding: 0;
  list-style: none;
}
.case-list__item {
  /* 3カラム基準。最小幅を割ると折り返し */
  flex: 1 1 calc(33.333% - var(--gap-x));
  min-width: 280px;
  display: flex;
}
.usecases__list {
  margin-top: 2.78vw;
}

/* -------------------------
     カード（OOCSS: .c-card に上書き）
  ------------------------- */
.case {
  display: grid;
  gap: 1.11vw;
  padding: 2.2vw;
  border-radius: 16px; /* 小さめ角丸に調整 */
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid #d9e6ff;
  box-shadow: none;
  width: 100%; /* 親のflex幅にフィット */
}
.case__header {
  height: 3.61vw;
}
/* 見出しまわり */
.case__eyebrow {
  margin: 0 0 0.56vw;
  font-size: 0.69vw;
  font-family: "Noto Sans JP";
  font-weight: 400;
}
.case__eyebrow .content-section__icon {
  width: 5px;
  height: 5px;
  margin-bottom: 1px;
}
.case__title {
  margin: 0;
  font-size: 1.38vw;
  font-weight: 500;
  color: #101010;
  line-height: 1.35;
}

/* 箇条書き */
.case__points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
}
.case__point {
  position: relative;
  padding-left: 1em;
  color: #101010;
  font-weight: 300;
  font-size: 1.04vw;
  line-height: 1.94vw;
}
.case__point::before {
  content: "-";
  position: absolute;
  left: -0.01vw;
  width: 5px;
  height: 5px;
}

/* =========================================================
     レスポンシブ
  ========================================================= */
/* タブレット用 */
@media (min-width: 768px) and (max-width: 991px) {
  .case-list__item {
    flex-basis: calc(50% - var(--gap-x));
  }
}

/* スマホ用 */
@media (max-width: 767px) {
  .usecases {
    padding-block: 13vw 10.7vw;
    border-radius: 5.34vw;
  }
  .usecases__hero {
    margin-bottom: 28px;
    border-radius: 16px;
    height: 40.5vw;
  }
  .case-list {
    justify-content: center;
    gap: 2.13vw;
  }
  .case-list__item {
    flex-basis: 100%;
    min-width: 0;
  }
  .usecases__list {
    margin-top: 8.53vw;
  }
  .case {
    border-radius: 14px;
    padding: 6.4vw;
    gap: 3.2vw;
  }
  .case__header {
    height: 12.8vw;
  }
  .case__eyebrow {
    margin: 0 0 6px;
    font-size: 2.67vw;
  }
  .case__title {
    font-size: 4.8vw;
    line-height: 8.53vw;
  }
  .case__point {
    position: relative;
    padding-left: 0.75em;
    color: #101010;
    font-weight: 300;
    font-size: 3.73vw;
    line-height: 6.93vw;
  }
}

/* 動きの配慮 */
@media (prefers-reduced-motion: reduce) {
  .usecases__hero {
    transition: none;
  }
}
/* =========================================================
   Reasons：なぜ多くの企業が選んでいるのか
   - OOCSS/DRY：.l-container / .c-card / .c-eyebrow を再利用
   - 追加：.benefit-list（2×2グリッド）/.benefit（カード）
   ========================================================= */

/* -------------------------
   セクション
------------------------- */
.reasons {
  position: relative;
  padding-block: 6vw;
  background: #f7faff;
  border-radius: 24px;
  overflow: hidden;
}
.reasons__inner {
  position: relative;
  z-index: 1;
}
.reasons__header {
  margin-bottom: clamp(12px, 2.8vw, 20px);
}
.reasons__eyebrow {
  margin: 0 0 8px;
}
.reasons__title {
  margin: 0;
  color: var(--c-text, #111827);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.35;
}

/* 背景タイポのウォーターマーク */
.reasons::after {
  content: "Why Choose Us";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  text-align: center;
  font-weight: 400;
  font-size: clamp(80px, 10.56vw, 220px);
  line-height: 1;
  color: #f5f8ff;
  letter-spacing: -0.02em;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

/* -------------------------
     2×2 グリッド（OOCSS）
  ------------------------- */
.benefit-list {
  --gap: clamp(16px, 2.8vw, 28px);
  display: flex;
  flex-wrap: wrap;
  gap: 5.56vw;
  margin-top: 5vw;
  padding: 0;
  list-style: none;
  justify-content: center;
}
.benefit-list__item {
  min-width: 300px;
  display: flex;
}

/* -------------------------
     カード（OOCSS: .c-card をベースに調整）
  ------------------------- */
.benefit {
  width: 30.6vw;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 1.11vw;
  text-align: center;
}

/* アイコン */
.benefit__figure {
  display: grid;
  place-items: center;
  margin: 0 0 1.67vw;
}
.benefit__icon {
  height: 13.5vw;
  width: auto;
}

/* 見出し/本文 */
.benefit__header {
  margin: 0;
}
.benefit__title {
  margin: 0;
  font-weight: 500;
  color: #4a6ffe;
  font-size: 1.39vw;
  line-height: 2.22vw;
}
.benefit__text {
  color: #101010;
  font-weight: 300;
  font-size: 1.04vw;
  line-height: 1.94vw;
}
/* 初期状態 */
.benefit-list .benefit-list__item {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}

/* 表示時 */
.benefit-list.is-inview .benefit-list__item {
  opacity: 1;
  transform: none;
  /* JSでセットした --i を使って遅延を自動計算 */
  transition-delay: calc(var(--stagger, 140ms) * var(--i, 0));
}

/* リスト全体のスタッガー間隔（好みで調整） */
.benefit-list {
  --stagger: 240ms;
}

/* =========================================================
     レスポンシブ
  ========================================================= */
/* スマホ用 */
@media (max-width: 767px) {
  .reasons {
    padding-block: 13vw;
    border-radius: 4.8vw;
  }
  .benefit-list {
    gap: 17.1vw;
    margin-top: 10.7vw;
  }
  .benefit-list__item {
    flex-basis: 100%;
    min-width: 0;
  }
  .benefit {
    width: 100%;
    display: grid;
    grid-template-rows: auto auto 1fr;
    gap: 4.27vw;
    text-align: center;
  }
  .benefit__figure {
    display: grid;
    place-items: center;
    margin: 0 0 1.13vw;
  }
  .benefit__icon {
    height: 32.5vw;
    width: auto;
  }
  .benefit__title {
    font-size: 4.8vw;
    line-height: 8.53vw;
  }
  .benefit-list__item:first-child .benefit__title {
    font-size: 5.33vw;
  }
  .benefit__text {
    font-size: 3.73vw;
    line-height: 6.4vw;
  }
  .reasons::after {
    font-size: clamp(64px, 28vw, 120px);
    bottom: 2%;
  }
}

/* =========================================================
   Process：導入の流れ
   - OOCSS/DRY：.l-container / .c-card / .c-badge / .c-circle を再利用
   - 本CSSでは .step-list（横並び）と .step（円の中にテキスト）を定義
   ========================================================= */

/* -------------------------
   セクション
------------------------- */
.process {
  position: relative;
  padding-block: clamp(64px, 8vw, 120px);
  border-radius: 1.67vw;
  overflow: hidden;
  background-color: #ecf3ff;
}
.process__inner {
  position: relative;
  z-index: 1;
}
.process__bg {
  position: absolute;
  object-fit: cover;
  object-position: center;
}
.process__header {
  margin-bottom: clamp(12px, 2.4vw, 20px);
}
.process__eyebrow {
  margin: 0 0 8px;
}
.process__title {
  margin: 0;
  color: var(--c-text, #111827);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.25;
}

/* 背景の波 */

/* -------------------------
     ステップ横並び（OOCSS）
  ------------------------- */
.step-list {
  display: flex;
  flex-wrap: nowrap; /* PCでは1行を想定（SP/Tabletで折返し） */
  gap: 0;
  margin: 2.22vw 0;
  padding: 0;
  list-style: none;
  justify-content: center;
}
.step-list__item {
  width: 22.2vw;
  height: 22.2vw;
  display: flex;
  justify-content: center;
  position: relative;
}
.step-list__item + .step-list__item {
  /* 円を重ねるために左へ食い込ませる（PCのみ有効に切替） */
  margin-left: -2vw;
}

/* -------------------------
     ステップカード（円＋テキスト）
  ------------------------- */
.step {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: var(--circle-size);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  /* c-card の装飾は今回は不要なので抑制（OOCSSベースに上書き） */
  background: transparent;
  border: 0;
  box-shadow: none;
  border-radius: 0;
  padding: clamp(16px, 2vw, 24px);
  text-align: center;
}

/* 大きな円（.c-circle を“塗りつぶし”に変更） */
.step__bg1 {
  width: 100%;
  position: absolute;
  object-fit: cover;
  object-position: center;
}
.step__bg2 {
  width: 100%;
  position: absolute;
  object-fit: cover;
  object-position: center;
}
.step__bg3 {
  width: 100%;
  position: absolute;
  object-fit: cover;
  object-position: center;
}
.step__bg4 {
  width: 100%;
  position: absolute;
  object-fit: cover;
  object-position: center;
}

/* 見出し・テキスト */
.step__header {
  margin: 0 0 6px;
  display: grid;
  gap: 0.56vw;
  justify-items: center;
  width: 16.7vw;
}
.process__label {
  font-size: 1.11vw;
  font-weight: 400;
  line-height: 1.67vw;
  color: #4a6ffe;
  margin-bottom: 0.56vw;
}
.step__title {
  margin: 0;
  font-weight: 400;
  color: #101010;
  font-size: clamp(14px, 1.38vw, 24px);
  line-height: 2.22vw;
  letter-spacing: 0;
}
.step__text {
  margin: 0;
  color: #101010;
  font-weight: 300;
  font-size: clamp(12px, 1.04vw, 16px);
  line-height: 1.94vw;
  width: 16.7vw;
  text-align: start;
}

/* ---- 初期状態 ---- */
.process__list .step-list__item {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}

/* ---- 発火後（可視化） ---- */
.process__list.is-inview .step-list__item {
  opacity: 1;
  transform: none;
}

/* ---- ステップ間の遅延（スタッガー） ---- */
/* 間隔は --stagger で調整 */
.process__list {
  --stagger: 200ms;
}
.process__list.is-inview .step-list__item:nth-child(1) {
  transition-delay: calc(var(--stagger) * 0);
}
.process__list.is-inview .step-list__item:nth-child(2) {
  transition-delay: calc(var(--stagger) * 1);
}
.process__list.is-inview .step-list__item:nth-child(3) {
  transition-delay: calc(var(--stagger) * 2);
}
.process__list.is-inview .step-list__item:nth-child(4) {
  transition-delay: calc(var(--stagger) * 3);
}

/* =========================================================
     レスポンシブ
  ========================================================= */

/* PC用 */
@media (min-width: 992px) {
  .process {
    padding-block: 6.67vw 4.67vw;
  }
  .step-list {
    --overlap: 72px;
  }
}
/* スマホ用 */
@media (max-width: 767px) {
  .process {
    height: 296vw;
    padding-block: 16.9vw 10.7vw;
    border-radius: 18px;
  }
  .process__bg {
    height: 100%;
    position: absolute;
    object-fit: cover;
    object-position: center;
  }
  .process__bg img {
    height: 100%;
  }
  .step-list {
    flex-direction: column;
    align-items: center;
  }
  .step-list__item {
    width: 70.4vw;
    height: 70.4vw;
    min-width: 0px;
    display: flex;
    justify-content: center;
    position: relative;
  }
  .step-list__item {
    /* 円を重ねるために左へ食い込ませる（PCのみ有効に切替） */
    margin-left: 0;
    margin-bottom: -10vw;
  }
  .step__header {
    margin: 0 0 2.13vw;
    display: grid;
    gap: 4.27vw;
    justify-items: center;
    width: 43.2vw;
  }
  .process__label {
    font-size: 3.2vw;
    font-weight: 400;
    line-height: 4.8vw;
    color: #4a6ffe;
    margin-bottom: 0.56vw;
  }
  .step__title {
    margin: 0;
    font-weight: 400;
    color: #101010;
    font-size: clamp(14px, 4.8vw, 24px);
    line-height: 6.4vw;
    letter-spacing: 0;
  }
  .step__text {
    margin: 0;
    color: #101010;
    font-weight: 300;
    font-size: clamp(12px, 3.73vw, 16px);
    line-height: 6.4vw;
    width: 49.1vw;
  }
}

/* 動きに配慮 */
@media (prefers-reduced-motion: reduce) {
  .process__bg img {
    transform: none;
  }
}

.cta-bg__img {
  height: 33.6vw !important;
}
.cta__description {
  padding-top: 2vw !important;
}
.cta__inner {
  top: 50% !important;
  transform: translateX(-50%) translateY(-50%) !important;
}
@media (max-width: 767px) {
  .cta__description {
    width: 82.7vw !important;
  }
  .cta-bg__img {
    height: 78.4vw !important;
  }
}