/* ===================================================
   section-12-feature.css
   Section 12-13: Crypto Novaとは + 特徴①もう迷わない（統合版）
   Section 4 と同じデザイン言語：濃紺ベース + 大きな黄色い丸 + ポップ
   =================================================== */

.feature {
  position: relative;
  padding: 100px 24px;
  background:
    /* 斜めストライプテクスチャ */
    repeating-linear-gradient(
      135deg,
      transparent 0px,
      transparent 60px,
      rgba(255, 255, 255, 0.03) 60px,
      rgba(255, 255, 255, 0.03) 61px
    ),
    /* 光の層 */
    radial-gradient(
      ellipse at top right,
      rgba(123, 196, 232, 0.4) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse at bottom left,
      rgba(26, 90, 138, 0.3) 0%,
      transparent 60%
    ),
    /* ベースの青グラデーション（Section 4と同じ） */
    linear-gradient(
      180deg,
      #2E7AB8 0%,
      #3FA3D1 50%,
      #2E7AB8 100%
    );
  overflow: hidden;
}

/* 背景装飾：大きなぼかし円（Section 4と同じ） */
.feature::before {
  content: '';
  position: absolute;
  top: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(91, 164, 217, 0.25) 0%,
    rgba(91, 164, 217, 0) 70%
  );
  pointer-events: none;
  animation: featureBgFloat1 6s ease-in-out infinite;
  z-index: 0;
}

.feature::after {
  content: '';
  position: absolute;
  bottom: -150px;
  right: -150px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(46, 122, 184, 0.2) 0%,
    rgba(46, 122, 184, 0) 70%
  );
  pointer-events: none;
  animation: featureBgFloat2 7s ease-in-out infinite;
  z-index: 0;
}

@keyframes featureBgFloat1 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -20px); }
}

@keyframes featureBgFloat2 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-40px, 30px); }
}

/* ===================================================
   浮遊する大きな黄色＆青の3Dドット（Section 4と同じ）
   =================================================== */
.feature__shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.feature__shape {
  position: absolute;
  border-radius: 50%;
  animation: featureDotFloat 4s ease-in-out infinite;
}

/* 黄色大（左上） */
.feature__shape--1 {
  width: 110px;
  height: 110px;
  top: 4%;
  left: 6%;
  background: radial-gradient(circle at 30% 30%, #FFE138 0%, #FFC700 60%, #E6A800 100%);
  box-shadow:
    0 20px 50px rgba(255, 199, 0, 0.5),
    0 8px 20px rgba(255, 199, 0, 0.4),
    inset -8px -8px 20px rgba(230, 168, 0, 0.3),
    inset 4px 4px 12px rgba(255, 255, 255, 0.4);
  animation-delay: 0s;
}

/* 青中（左中） */
.feature__shape--2 {
  width: 65px;
  height: 65px;
  top: 40%;
  left: 3%;
  background: radial-gradient(circle at 30% 30%, #7BBDE5 0%, #3FA3D1 60%, #1E6FA0 100%);
  box-shadow:
    0 15px 40px rgba(30, 111, 160, 0.4),
    inset -6px -6px 16px rgba(30, 111, 160, 0.3),
    inset 4px 4px 10px rgba(255, 255, 255, 0.4);
  animation-delay: 1s;
}

/* 黄色中（右上） */
.feature__shape--3 {
  width: 80px;
  height: 80px;
  top: 8%;
  right: 5%;
  background: radial-gradient(circle at 30% 30%, #FFE138 0%, #FFC700 60%, #E6A800 100%);
  box-shadow:
    0 15px 40px rgba(255, 199, 0, 0.5),
    inset -6px -6px 16px rgba(230, 168, 0, 0.3),
    inset 4px 4px 10px rgba(255, 255, 255, 0.4);
  animation-delay: 2s;
}

/* 青大（右中下） */
.feature__shape--4 {
  width: 95px;
  height: 95px;
  top: 55%;
  right: 4%;
  background: radial-gradient(circle at 30% 30%, #7BBDE5 0%, #3FA3D1 60%, #1E6FA0 100%);
  box-shadow:
    0 20px 50px rgba(30, 111, 160, 0.4),
    inset -8px -8px 20px rgba(30, 111, 160, 0.3),
    inset 4px 4px 12px rgba(255, 255, 255, 0.4);
  animation-delay: 0.5s;
}

/* 黄色小（光る・左下） */
.feature__shape--5 {
  width: 45px;
  height: 45px;
  bottom: 15%;
  left: 8%;
  background: radial-gradient(circle at 30% 30%, #FFE138 0%, #FFC700 70%);
  box-shadow:
    0 0 30px rgba(255, 199, 0, 0.8),
    0 10px 25px rgba(255, 199, 0, 0.5),
    inset -3px -3px 8px rgba(230, 168, 0, 0.3);
  animation-delay: 1.5s;
}

/* 黄色小（光る・下中央寄り） */
.feature__shape--6 {
  width: 38px;
  height: 38px;
  bottom: 8%;
  right: 15%;
  background: radial-gradient(circle at 30% 30%, #FFE138 0%, #FFC700 70%);
  box-shadow:
    0 0 30px rgba(255, 199, 0, 0.8),
    0 10px 25px rgba(255, 199, 0, 0.5),
    inset -3px -3px 8px rgba(230, 168, 0, 0.3);
  animation-delay: 2.5s;
}

@keyframes featureDotFloat {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-20px) scale(1.08);
  }
}

/* ===================================================
   キラキラ星（Section 4の starTwinkle と同じ動き）
   =================================================== */
.feature__sparkle {
  position: absolute;
  font-size: 28px;
  color: #FFC700;
  z-index: 1;
  pointer-events: none;
  animation: featureStarTwinkle 2s ease-in-out infinite;
  text-shadow: 0 0 20px rgba(255, 199, 0, 0.7);
}

.feature__sparkle--1 { top: 20%; left: 25%; animation-delay: 0s; font-size: 32px; }
.feature__sparkle--2 { top: 12%; right: 28%; animation-delay: 0.5s; font-size: 26px; }
.feature__sparkle--3 { top: 48%; right: 22%; animation-delay: 1s; font-size: 24px; }
.feature__sparkle--4 { bottom: 35%; left: 22%; animation-delay: 1.5s; font-size: 28px; }
.feature__sparkle--5 { bottom: 20%; right: 30%; animation-delay: 0.8s; font-size: 30px; }

@keyframes featureStarTwinkle {
  0%, 100% {
    opacity: 0.5;
    transform: scale(1) rotate(0deg);
  }
  50% {
    opacity: 1;
    transform: scale(1.3) rotate(180deg);
  }
}

/* ===================================================
   インナー
   =================================================== */
.feature__inner {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

/* ===================================================
   バッジ（Section 4の __prefix と同じスタイル）
   =================================================== */
.feature__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.15em;
  padding: 8px 24px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 9999px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.feature.is-visible .feature__badge {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.2s;
}

.feature__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FFE138, #FFC700);
  box-shadow: 0 0 12px rgba(255, 199, 0, 0.9);
  animation: badgeDotPulse 1.8s ease-in-out infinite;
}

@keyframes badgeDotPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.4); }
}

/* ===================================================
   上半分：Section 12 - Crypto Novaとは
   =================================================== */
/* スマホ専用改行 */
.sp-only {
  display: inline;
}

@media (min-width: 768px) {
  .sp-only {
    display: none;
  }
}

/* 上部の通常説明文 */
.feature__intro {
  font-family: var(--font-jp);
  font-size: clamp(15px, 3.8vw, 18px);
  font-weight: 500;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 2px 10px rgba(15, 26, 48, 0.4);
  margin: 0 0 20px 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.feature.is-visible .feature__intro {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.4s;
}

/* メインの強調フレーズ */
.feature__intro-main {
  font-family: var(--font-jp);
  line-height: 1.5;
  color: #FFFFFF;
  text-shadow: 0 4px 20px rgba(15, 26, 48, 0.5);
  margin: 0 0 56px 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.feature.is-visible .feature__intro-main {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.6s;
}

.feature__intro-pointer {
  display: inline-block;
  font-size: 1.5em;
  margin-right: 4px;
  animation: pointerBounce 2s ease-in-out infinite;
  vertical-align: middle;
}

@keyframes pointerBounce {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-4px); }
}

.feature__intro-small {
  display: inline-block;
  font-size: clamp(14px, 3.5vw, 18px);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  margin-right: 4px;
  vertical-align: middle;
}

.feature__intro-big {
  display: inline-block;
  font-size: clamp(24px, 6.5vw, 42px);
  font-weight: 900;
  line-height: 1.4;
  color: #FFE138;
  text-shadow:
    0 4px 20px rgba(255, 199, 0, 0.5),
    0 2px 10px rgba(15, 26, 48, 0.5);
  padding: 0 4px;
  letter-spacing: 0.01em;
}

/* ===================================================
   モックアップエリア
   =================================================== */
.feature__mockup {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(40px) scale(0.9);
  transition: opacity 1.2s ease, transform 1.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.feature.is-visible .feature__mockup {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition-delay: 0.8s;
}

/* モックアップ周りの金色オーラ */
.feature__mockup::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  height: 90%;
  border-radius: 50%;
  background: radial-gradient(
    ellipse,
    rgba(255, 225, 56, 0.35) 0%,
    rgba(255, 199, 0, 0.15) 40%,
    rgba(255, 199, 0, 0) 70%
  );
  z-index: 0;
  animation: mockupGlow 4s ease-in-out infinite;
}

@keyframes mockupGlow {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

/* PCモックアップ（背景、左寄り） */
.feature__mockup-pc {
  position: relative;
  z-index: 1;
  width: 75%;
  max-width: 720px;
  margin-left: auto;
  aspect-ratio: 8 / 5;
  background: linear-gradient(135deg, #FFFFFF 0%, #EBF5FF 100%);
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: 16px;
  box-shadow:
    0 40px 80px rgba(15, 26, 48, 0.5),
    0 20px 40px rgba(15, 26, 48, 0.3),
    0 0 0 4px rgba(255, 199, 0, 0.2),
    inset 0 2px 4px rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transform: perspective(1200px) rotateY(-8deg) rotateX(2deg);
}

.feature__mockup-pc img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 14px;
}

/* スマホモックアップ（前景、右寄り） */
.feature__mockup-sp {
  position: absolute;
  z-index: 2;
  left: 0%;
  top: 50%;
  transform: translateY(-50%) perspective(1200px) rotateY(5deg);
  width: 25%;
  max-width: 260px;
  aspect-ratio: 14 / 29;
  background: linear-gradient(135deg, #FFFFFF 0%, #EBF5FF 100%);
  border: 2px solid rgba(255, 255, 255, 0.7);
  border-radius: 25px;
  box-shadow:
    0 30px 60px rgba(15, 26, 48, 0.55),
    0 15px 30px rgba(15, 26, 48, 0.35),
    0 0 0 3px rgba(255, 199, 0, 0.25),
    inset 0 2px 4px rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.feature__mockup-sp img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 22px;
}

/* ===================================================
   区切り装飾
   =================================================== */
.feature__divider {
  position: relative;
  width: 100%;
  max-width: 600px;
  margin: 0 auto 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.feature.is-visible .feature__divider {
  opacity: 1;
  transition-delay: 1.2s;
}

.feature__divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.5) 50%,
    rgba(255, 255, 255, 0) 100%
  );
}

.feature__divider-diamond {
  width: 16px;
  height: 16px;
  background: linear-gradient(135deg, #FFE138, #FFC700);
  transform: rotate(45deg);
  box-shadow:
    0 0 20px rgba(255, 199, 0, 0.7),
    0 4px 12px rgba(255, 199, 0, 0.5),
    inset -1px -1px 3px rgba(230, 168, 0, 0.5),
    inset 1px 1px 3px rgba(255, 255, 255, 0.7);
  animation: diamondSpin 4s linear infinite;
}

@keyframes diamondSpin {
  0% { transform: rotate(45deg); }
  100% { transform: rotate(405deg); }
}

/* ===================================================
   下半分：Section 13 - 特徴①もう迷わない
   =================================================== */
.feature__title {
  font-family: var(--font-jp);
  font-size: clamp(28px, 7vw, 48px);
  font-weight: 900;
  line-height: 1.3;
  color: #FFFFFF;
  text-shadow:
    0 4px 20px rgba(15, 26, 48, 0.4),
    0 2px 8px rgba(15, 26, 48, 0.3);
  margin: 0 0 48px 0;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s ease, transform 1s ease;
}

.feature.is-visible .feature__title {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 1.4s;
}

.feature__title-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.2em;
  height: 1.2em;
  margin-right: 0.2em;
  border-radius: 50%;
  background: linear-gradient(135deg, #FFE138, #FFC700);
  color: #FFFFFF;
  font-size: 0.7em;
  vertical-align: -0.15em;
  box-shadow:
    0 8px 20px rgba(255, 199, 0, 0.5),
    0 0 30px rgba(255, 199, 0, 0.4),
    inset -3px -3px 8px rgba(230, 168, 0, 0.3),
    inset 2px 2px 6px rgba(255, 255, 255, 0.6);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* ===================================================
   対比ビジュアル：180万種類 → たった数個
   =================================================== */
.feature__contrast {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin: 0 auto 56px;
  max-width: 900px;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s ease, transform 1s ease;
}

.feature.is-visible .feature__contrast {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 1.7s;
}

/* カード共通 */
.feature__contrast-card {
  position: relative;
  flex: 1 1 260px;
  min-width: 260px;
  max-width: 380px;
  padding: 36px 24px 32px;
  border-radius: 24px;
  overflow: hidden;
  transform: perspective(1000px) rotateX(3deg);
  transition: transform 0.4s ease;
}

.feature__contrast-card:hover {
  transform: perspective(1000px) rotateX(0deg) translateY(-6px);
}

/* 左カード：BEFORE（白・180万種類） */
.feature__contrast-card--many {
  background: linear-gradient(135deg, #FFFFFF 0%, #F1F4F8 100%);
  border: 2px solid rgba(255, 255, 255, 0.8);
  box-shadow:
    0 25px 60px rgba(15, 26, 48, 0.4),
    0 10px 30px rgba(15, 26, 48, 0.2),
    inset 0 2px 4px rgba(255, 255, 255, 0.9);
}

.feature__contrast-card--many::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, #5BA4D9 0%, #2E7AB8 50%, #5BA4D9 100%);
}

/* 右カード：AFTER（黄色・たった数個） */
.feature__contrast-card--few {
  background: linear-gradient(135deg, #FFFDF2 0%, #FFF4CC 100%);
  border: 2px solid rgba(255, 199, 0, 0.6);
  box-shadow:
    0 25px 60px rgba(255, 199, 0, 0.4),
    0 10px 30px rgba(255, 199, 0, 0.25),
    0 0 40px rgba(255, 199, 0, 0.2),
    inset 0 2px 4px rgba(255, 255, 255, 0.9);
}

.feature__contrast-card--few::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, #FFE138 0%, #FFC700 50%, #FFE138 100%);
}

.feature__contrast-label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.15em;
  padding: 4px 12px;
  border-radius: 6px;
  margin-bottom: 16px;
}

.feature__contrast-card--many .feature__contrast-label {
  color: #FFFFFF;
  background: linear-gradient(135deg, #5BA4D9, #2E7AB8);
}

.feature__contrast-card--few .feature__contrast-label {
  color: #FFFFFF;
  background: linear-gradient(135deg, #FFC700, #E6A800);
}

/* 巨大数字 */
.feature__contrast-number {
  font-family: var(--font-en);
  font-size: clamp(34px, 9.5vw, 64px);
  font-weight: 900;
  line-height: 1;
  margin: 0 0 8px 0;
  letter-spacing: -0.04em;
}

.feature__contrast-card--many .feature__contrast-number {
  background: linear-gradient(135deg, #5BA4D9 0%, #2E7AB8 50%, #1A5A8A 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature__contrast-card--few .feature__contrast-number {
  background: linear-gradient(135deg, #FFC700 0%, #E6A800 50%, #B88600 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature__contrast-unit {
  font-family: var(--font-jp);
  font-size: 17px;
  font-weight: 900;
  color: var(--color-text-main);
  margin: 0 0 6px 0;
}

.feature__contrast-desc {
  font-family: var(--font-jp);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-sub);
  margin: 10px 0 0;
  line-height: 1.6;
}

/* 矢印 */
.feature__contrast-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.feature__contrast-arrow svg {
  width: 48px;
  height: 48px;
  filter: drop-shadow(0 0 20px rgba(255, 199, 0, 0.7)) drop-shadow(0 4px 12px rgba(255, 199, 0, 0.5));
}

.feature__contrast-arrow svg path {
  stroke: url(#arrowGradient);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  transition: stroke-dashoffset 1s ease;
}

.feature.is-visible .feature__contrast-arrow svg path {
  stroke-dashoffset: 0;
  transition-delay: 2.2s;
}

/* ===================================================
   特徴の説明文＋NGリスト
   =================================================== */
.feature__description {
  max-width: 640px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.feature.is-visible .feature__description {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 2s;
}

.feature__description-text {
  font-family: var(--font-jp);
  font-size: 15px;
  line-height: 1.9;
  color: #FFFFFF;
  text-shadow: 0 2px 8px rgba(15, 26, 48, 0.3);
  margin: 0 0 24px 0;
  font-weight: 500;
}

.feature__ng-list {
  list-style: none;
  padding: 24px 28px;
  margin: 0 auto 24px;
  max-width: 480px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 16px;
  box-shadow:
    0 15px 40px rgba(15, 26, 48, 0.3),
    inset 0 1px 2px rgba(255, 255, 255, 0.2);
  text-align: left;
}

.feature__ng-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  font-family: var(--font-jp);
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  text-shadow: 0 1px 4px rgba(15, 26, 48, 0.3);
}

.feature__ng-item:not(:last-child) {
  border-bottom: 1px dashed rgba(255, 255, 255, 0.2);
}

.feature__ng-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #F0916A, #E8835C);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 900;
  box-shadow: 0 4px 10px rgba(232, 131, 92, 0.4);
}

.feature__description-close {
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 700;
  color: #FFE138;
  text-shadow: 0 2px 12px rgba(15, 26, 48, 0.4);
  margin: 0;
  line-height: 1.8;
}

/* ===================================================
   PC（768px〜）
   =================================================== */
@media (min-width: 768px) {
  .feature {
    padding: 140px 48px;
  }

  .feature__badge {
    font-size: 15px;
    padding: 10px 32px;
    margin-bottom: 32px;
  }

  .feature__intro {
    margin-bottom: 72px;
  }

  .feature__mockup {
    margin-bottom: 100px;
  }

  @media (min-width: 768px) {
  .feature__mockup-sp {
    left: 0%;
    right: auto;
    width: 25%;
    max-width: 260px;
  }
}

  .feature__divider {
    margin-bottom: 100px;
  }

  .feature__title {
    margin-bottom: 64px;
  }

  .feature__contrast {
    gap: 32px;
    margin-bottom: 72px;
  }

  .feature__contrast-card {
    padding: 36px 16px 32px;
  }

  .feature__contrast-arrow svg {
    width: 72px;
    height: 72px;
  }

  .feature__description-text,
  .feature__description-close {
    font-size: 17px;
  }

  .feature__ng-item {
    font-size: 16px;
  }

  /* 浮遊ドットを少し大きく */
  .feature__shape--1 { width: 150px; height: 150px; }
  .feature__shape--2 { width: 90px; height: 90px; }
  .feature__shape--3 { width: 110px; height: 110px; }
  .feature__shape--4 { width: 130px; height: 130px; }
  .feature__shape--5 { width: 60px; height: 60px; }
  .feature__shape--6 { width: 50px; height: 50px; }

  /* 星を少し大きく */
  .feature__sparkle--1 { font-size: 44px; }
  .feature__sparkle--2 { font-size: 36px; }
  .feature__sparkle--3 { font-size: 34px; }
  .feature__sparkle--4 { font-size: 38px; }
  .feature__sparkle--5 { font-size: 40px; }
  .feature__contrast-unit {
    font-size: 20px;
  }

  .feature__contrast-desc {
    font-size: 16px;
  }
  .feature__ng-item {
    font-size: 18px;
  }

  .feature__ng-icon {
    width: 30px;
    height: 30px;
    font-size: 16px;
  }
  .feature__contrast-number {
    font-size: 60px;
  }
}