/* =====================================================
   about.css — ミンダについてページ専用
   ヒーローの夜空ブルーパレットで全体統一
   ===================================================== */

/* ── カラー変数（ヒーローグラデーション由来） ──
   var(--color-navy-deep)  deep navy
   var(--color-navy-mid)  medium blue
   var(--color-steel-blue)  steel blue
   var(--color-pale-blue)  pale blue
   var(--color-accent-blue-soft)  lightest blue
   var(--clr-text-muted)  muted blue (サブテキスト)
   ────────────────────────────────────────────── */

/* ── body ──
   フローティングピル化に合わせて上余白は撤去。KVが画面最上部から始まり、
   ピルは KV の星空背景の上にうっすら浮かぶ構成にする。 */
#about-page {
  padding-top: 0;
  background-color: var(--color-accent-blue-soft);
}
@media (max-width: 767px) {
  #about-page { padding-bottom: var(--bottom-nav-h); }
}
#about-page .breadcrumb {
  position: absolute;
  top: calc(var(--header-h) + 12px);
  left: var(--gutter);
  z-index: 2;
  border-bottom: none;            /* 絶対配置で宙に浮く下線を除去 */
}
/* left:var(--gutter) と二重インデントになる横paddingを解消し、KV本文と左端を揃える */
#about-page .breadcrumb .breadcrumb-list {
  padding-left: 0;
  padding-right: 0;
}
@media (max-width: 767px) {
  #about-page .breadcrumb { top: 12px; }
}

/* ── キービジュアル ── */
.about-kv {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background-image:
    url('../img/star.webp'),
    linear-gradient(180deg, #F7F6FF 0%, #F8F7F2 48%, #FFFDF8 100%);
  background-size: auto, 100% 100%;
  background-repeat: repeat, no-repeat;
  background-position: center top, center center;
  padding: var(--sp-xl) var(--gutter);
  overflow: hidden;
}

.about-kv-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.about-kv-eyebrow {
  font-size: clamp(0.8rem, 2vw, 1rem);
  font-weight: 700;
  font-style: italic;
  color: var(--color-accent-blue);
  letter-spacing: 0.2em;
  margin-bottom: var(--sp-md);
}

.about-kv-title {
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  font-weight: 700;
  color: var(--clr-text);
  line-height: 1.4;
  letter-spacing: 0.04em;
  margin-bottom: var(--sp-md);
}

.about-kv-sub {
  font-size: clamp(0.88rem, 2vw, 1.05rem);
  color: var(--clr-text-body);
  letter-spacing: 0.08em;
  font-weight: 500;
  line-height: 1.7;
}

/* ── セクション共通 ── */
.about-sec {
  position: relative;
}
.about-sec-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(64px, 10vw, 120px) var(--gutter);
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 0 var(--sp-lg);
  align-items: start;
}
.about-sec-num {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  font-style: italic;
  line-height: 1;
  padding-top: 4px;
  user-select: none;
}
.about-sec-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--sp-md);
}
.about-sec-lead {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: var(--sp-md);
}
.about-sec-body p {
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  line-height: 2;
  margin-bottom: var(--sp-sm);
  color: inherit;
}
.about-sec-body p:last-child { margin-bottom: 0; }
.about-sec-body em {
  font-style: normal;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: currentColor;
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}

/* ── セクション配色（ヒーローブルーパレット統一） ── */

/* 01：淡いペールブルー */
.about-sec--light {
  background-color: var(--color-accent-blue-soft);
}
.about-sec--light .about-sec-num    { color: var(--color-primary); opacity: 0.18; }
.about-sec--light .about-sec-title  { color: var(--color-primary); }
.about-sec--light .about-sec-body p { color: var(--clr-text); }
.about-sec--light em { color: var(--color-primary); text-decoration-color: var(--color-steel-blue); }

/* 02：ヒーローの夜空ネイビー × 白文字
   ※ CTA系として紫単色に統一（旧: 茶色→青グラデ）。 */
.about-sec--dark {
  background: var(--color-accent-blue);
  color: rgba(255, 255, 255, 0.9);
  position: relative;
  overflow: hidden;
}
.about-sec--dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../img/star.webp');
  background-size: auto;
  background-repeat: repeat;
  opacity: 0.15;
  pointer-events: none;
}
.about-sec--dark .about-sec-inner  { position: relative; z-index: 1; }
.about-sec--dark .about-sec-num    { color: rgba(200, 216, 240, 0.2); }
.about-sec--dark .about-sec-title  { color: var(--clr-white); }
.about-sec--dark .about-sec-body p { color: rgba(255, 255, 255, 0.82); }
.about-sec--dark em {
  color: var(--color-pale-blue);
  text-decoration-color: rgba(200, 216, 240, 0.6);
  font-weight: 700;
}

/* 04：柔らかいスチールブルー */
.about-sec--values {
  background: var(--color-mist-blue);
}
.about-sec--values .about-sec-num    { color: var(--color-primary); opacity: 0.15; }
.about-sec--values .about-sec-title  { color: var(--color-primary); }
.about-sec--values .about-sec-body p { color: var(--clr-text); }

/* 05：白 */
.about-sec--operator {
  background: var(--clr-white);
}
.about-sec--operator .about-sec-num   { color: var(--color-steel-blue); opacity: 0.25; }
.about-sec--operator .about-sec-title { color: var(--color-primary); }

/* ── コンテンツ4枚カード ── */
.about-sec--features {
  background: var(--color-accent-blue-soft);
  padding: clamp(64px, 10vw, 120px) 0;
}
.about-features-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  text-align: center;
}
.about-features-label {
  font-size: var(--fs-sm);
  font-weight: 700;
  font-style: italic;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  margin-bottom: var(--sp-xs);
}
.about-features-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--sp-xl);
}
.about-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-md);
  text-align: left;
}
@media (max-width: 1023px) {
  .about-features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 599px) {
  .about-features-grid { grid-template-columns: 1fr; }
}

.about-feature-card {
  background: var(--clr-white);
  border-radius: var(--r-lg);
  padding: var(--sp-md);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 44px 1fr;
  grid-template-rows: auto 1fr auto;
  column-gap: var(--sp-sm);
  row-gap: var(--sp-xs);
  align-items: center;
  border-top: 2px solid transparent;
  transition: transform var(--tr), box-shadow var(--tr);
}
.about-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}
.about-feature-card--diagnosis { border-top-color: var(--color-steel-blue); }
.about-feature-card--quiz      { border-top-color: var(--clr-quiz); }
.about-feature-card--column    { border-top-color: var(--clr-column); }
.about-feature-card--fortune   { border-top-color: var(--clr-fortune); }

.about-feature-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-full);
  font-size: var(--fs-lg);
  flex-shrink: 0;
}
.about-feature-card--diagnosis .about-feature-card-icon { background: var(--color-mist-blue); color: var(--color-primary); }
.about-feature-card--quiz      .about-feature-card-icon { background: var(--clr-quiz-light); color: var(--clr-quiz); }
.about-feature-card--column    .about-feature-card-icon { background: var(--clr-bg-green);   color: var(--clr-column); }
.about-feature-card--fortune   .about-feature-card-icon { background: var(--clr-yellow-light); color: var(--clr-fortune); }

.about-feature-card-icon { grid-column: 1; grid-row: 1; }

.about-feature-card h3 {
  grid-column: 2;
  grid-row: 1;
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--color-primary);
  align-self: center;
}
.about-feature-card p {
  grid-column: 1 / -1;
  grid-row: 2;
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.85;
  margin-top: var(--sp-xs);
}
.about-feature-card-link {
  grid-column: 1 / -1;
  grid-row: 3;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: var(--fs-sm);
  font-weight: 700;
  margin-top: var(--sp-xs);
  transition: gap var(--tr), opacity var(--tr);
}
.about-feature-card--diagnosis .about-feature-card-link { color: var(--color-primary); }
.about-feature-card--quiz      .about-feature-card-link { color: var(--clr-quiz); }
.about-feature-card--column    .about-feature-card-link { color: var(--clr-column); }
.about-feature-card--fortune   .about-feature-card-link { color: var(--clr-fortune); }
.about-feature-card-link:hover { gap: 10px; opacity: 1; }

/* ── 大切にしていること ── */
.about-values-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
  margin-top: var(--sp-sm);
}
.about-value-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-md);
}
.about-value-icon {
  font-size: var(--fs-xl);
  color: var(--color-primary);
  flex-shrink: 0;
  line-height: 1.4;
}
.about-value-item h3 {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.about-value-item p {
  font-size: var(--fs-base);
  color: var(--clr-text-muted);
  line-height: 1.9;
  margin: 0;
}

/* ── お問い合わせボタン ── BUTTON SYSTEM (style.css) が適用される。位置と SP の幅だけ調整。 */
.about-contact-btn {
  margin-top: var(--sp-md);
}
@media (max-width: 767px) {
  .about-contact-btn { width: 100%; }
}

/* ── クロージング
   夜空として成立させる青紫グラデ。茶色を混ぜず深い藍へ落とす。 */
.about-closing {
  background: linear-gradient(180deg, #3D3A72 0%, #24284F 52%, #15182F 100%);
  text-align: center;
  padding: clamp(80px, 12vw, 160px) var(--gutter);
  position: relative;
  overflow: hidden;
}
.about-closing::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../img/star.webp');
  background-size: auto;
  background-repeat: repeat;
  opacity: 0.25;
  pointer-events: none;
}
.about-closing-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-sm);
}
.about-closing-logo-img {
  height: clamp(60px, 8vw, 100px);
  width: auto;
  display: block;
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.about-closing-tagline {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: rgba(255, 255, 255, 0.88);
  font-weight: 500;
  letter-spacing: 0.06em;
  margin: 0;
}
.about-closing-en {
  font-size: clamp(0.78rem, 2vw, 0.95rem);
  color: rgba(200, 216, 240, 0.6);
  letter-spacing: 0.16em;
  font-style: italic;
  margin: 0;
}
.about-closing-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: var(--sp-lg);
  padding: 14px 48px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(200, 216, 240, 0.35);
  color: rgba(255, 255, 255, 0.92);
  font-weight: 700;
  font-size: var(--fs-base);
  border-radius: var(--r-full);
  backdrop-filter: blur(8px);
  transition: background var(--tr), border-color var(--tr);
}
.about-closing-btn:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(200, 216, 240, 0.6);
  opacity: 1;
}

/* ── KV：ロード時アニメーション（about専用にスコープ） ── */
@keyframes about-kv-up {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}
.about-kv-anim {
  opacity: 0;
  animation: about-kv-up 0.9s cubic-bezier(0.22, 1, 0.36, 1) var(--kv-delay, 0s) forwards;
}
/* ── セクション番号：スケールイン ── */
@keyframes num-in {
  from { opacity: 0; transform: scale(0.6) translateX(-12px); }
  to   { opacity: 1; transform: scale(1) translateX(0); }
}
[data-reveal].is-visible .about-sec-num {
  animation: num-in 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) 0.1s both;
}

/* クロージングは背景を常に表示 */
.about-closing[data-reveal] { opacity: 1; transform: none; }

/* ── クロージング：ロゴふわり ── */
@keyframes closing-in {
  from { opacity: 0; transform: scale(0.88) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.about-closing-inner .about-closing-logo-img,
.about-closing-inner .about-closing-tagline,
.about-closing-inner .about-closing-en,
.about-closing-inner .about-closing-btn { opacity: 0; }
.about-closing.is-visible .about-closing-logo-img {
  animation: closing-in 0.8s cubic-bezier(0.22,1,0.36,1) 0.1s forwards;
}
.about-closing.is-visible .about-closing-tagline {
  animation: closing-in 0.8s cubic-bezier(0.22,1,0.36,1) 0.3s forwards;
}
.about-closing.is-visible .about-closing-en {
  animation: closing-in 0.8s cubic-bezier(0.22,1,0.36,1) 0.45s forwards;
}
.about-closing.is-visible .about-closing-btn {
  animation: closing-in 0.8s cubic-bezier(0.22,1,0.36,1) 0.65s forwards;
}

/* ── SP 調整 ── */
@media (max-width: 767px) {
  .about-kv { min-height: 80vh; }
  .about-sec-inner {
    grid-template-columns: 1fr;
    padding: clamp(48px, 8vw, 80px) var(--gutter);
  }
  .about-sec-num { font-size: 2.5rem; margin-bottom: var(--sp-xs); }
  .sp-br { display: inline; }
  .about-kv { background-size: 100% auto, 100% 100%; }
  .about-closing::before { background-size: 100% auto; }
}
@media (min-width: 768px) {
  .sp-br { display: none; }
}