/* ============================================================
   Concept セクション — フルリデザイン (2026 redesign v2)
   非対称レイアウト + 大型ナンバリング + 装飾ライン + ハイライトカードで
   単なる「画像＋テキスト」構成から脱却する。
   ============================================================ */
.concept-redesign {
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
}

/* 背景装飾: 右上に淡いブランド色の巨大な円、左下に細い罫線グリッド */
.concept-redesign::before {
  content: '';
  position: absolute;
  top: -12%;
  right: -8%;
  width: clamp(320px, 42vw, 620px);
  height: clamp(320px, 42vw, 620px);
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, color-mix(in srgb, var(--color-primary) 16%, transparent), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.concept-redesign::after {
  content: '';
  position: absolute;
  bottom: -6%;
  left: -6%;
  width: 46%;
  height: 46%;
  background-image:
    linear-gradient(color-mix(in srgb, var(--color-primary) 14%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--color-primary) 14%, transparent) 1px, transparent 1px);
  background-size: 34px 34px;
  -webkit-mask-image: radial-gradient(ellipse at bottom left, rgba(0,0,0,0.9), transparent 72%);
  mask-image: radial-gradient(ellipse at bottom left, rgba(0,0,0,0.9), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.concept-redesign .container {
  position: relative;
  z-index: 1;
}

/* 非対称グリッド: 画像を右寄せ・少しオフセットして「型」を破る */
.concept-redesign__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

/* テキストを先に配置(視線導線を左からに) */
.concept-redesign__text { order: 1; }
.concept-redesign__media { order: 2; }

.concept-redesign__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--fs-small);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 1.25rem;
}
.concept-redesign__eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

/* 巨大な装飾ナンバリング「01」を見出しの背後に配置 */
.concept-redesign__text {
  position: relative;
}
.concept-redesign__text::before {
  content: '01';
  position: absolute;
  top: -3.2rem;
  left: -0.4rem;
  font-family: var(--font-heading);
  font-size: clamp(4.5rem, 9vw, 7.5rem);
  font-weight: 900;
  line-height: 1;
  color: color-mix(in srgb, var(--color-primary) 10%, transparent);
  z-index: -1;
  pointer-events: none;
  -webkit-user-select: none;
  user-select: none;
}

.concept-redesign__title {
  position: relative;
  font-size: var(--fs-h2);
  line-height: 1.4;
  margin-bottom: 1.5rem !important;
  color: var(--color-heading-ink);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.concept-redesign__title > :first-child { font-size: 0.95em; }
.concept-redesign__title span {
  display: block;
  font-size: 0.62em;
  font-weight: 500;
  color: var(--color-primary);
  font-family: var(--font-body);
  letter-spacing: 0.04em;
}

.concept-redesign__subhead {
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  line-height: 1.6;
  color: var(--color-heading-ink);
  margin-bottom: 1.5rem !important;
  padding-left: 1.1rem;
  border-left: 3px solid var(--color-primary);
}

.concept-redesign__body {
  font-size: var(--fs-body);
  line-height: 1.95;
  color: var(--color-text-muted);
  margin-bottom: 2.25rem;
}

/* CTAリンク: 丸ボタン+矢印のマイクロインタラクション */
.concept-redesign__link {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-weight: 700;
  color: var(--color-heading-ink);
  padding: 0.2rem 0;
  position: relative;
}
.concept-redesign__link span {
  position: relative;
}
.concept-redesign__link span::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0.3);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.concept-redesign__link svg {
  flex: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
  padding: 4px;
  box-sizing: border-box;
  transition: transform 0.35s ease, background 0.35s ease, color 0.35s ease;
}
.concept-redesign__link:hover { opacity: 1; }
.concept-redesign__link:hover span::after { transform: scaleX(1); }
.concept-redesign__link:hover svg {
  background: var(--color-primary);
  color: var(--color-on-primary);
  transform: translateX(4px);
}

/* メディア: フレーム+装飾角+キャプション風タグ */
.concept-redesign__media {
  position: relative;
}
.concept-redesign__media img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  max-height: none;
  border-radius: var(--radius-card);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 2;
}
/* 元の .concept-redesign__media-frame を「オフセット枠線」に転用 */
.concept-redesign__media-frame {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: var(--radius-card);
  border: 2px solid var(--color-primary);
  transform: translate(18px, 18px);
  pointer-events: none;
}
/* 角の装飾ドット */
.concept-redesign__media::after {
  content: '';
  position: absolute;
  top: -14px;
  left: -14px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-accent);
  z-index: 3;
  box-shadow: 0 8px 20px -6px color-mix(in srgb, var(--color-accent) 60%, transparent);
}

@media (max-width: 900px) {
  .concept-redesign__grid { grid-template-columns: 1fr; }
  .concept-redesign__text { order: 2; }
  .concept-redesign__media { order: 1; max-width: 420px; margin: 0 auto; }
  .concept-redesign__text::before { top: -2.4rem; font-size: 3.75rem; }
  .concept-redesign::before { width: 60vw; height: 60vw; top: -10%; }
}

@media (max-width: 560px) {
  .concept-redesign__media-frame { transform: translate(10px, 10px); }
  .concept-redesign__subhead { padding-left: 0.85rem; }
}