/* ============================================================
   page-about.css — ABOUTページスタイル
   ============================================================ */

/* ── 共通タイポグラフィ ── */
.ab-label { font-family: var(--font-en); font-size: 11px; letter-spacing: .25em; text-transform: uppercase; color: var(--color-gold); margin-bottom: 16px; }
.ab-title { font-family: var(--font-mincho); font-size: clamp(22px, 3vw, 34px); font-weight: 500; letter-spacing: .1em; color: var(--color-text); line-height: 1.55; margin-bottom: 28px; }
.ab-title--white { color: var(--color-text); }
.ab-body { font-family: var(--font-gothic); font-size: clamp(15px, 1.4vw, 17px); color: var(--color-text-mid); line-height: 2.0; letter-spacing: .02em; }
.ab-body p { margin-bottom: 1.3em; }
.ab-body p:last-child { margin-bottom: 0; }
.ab-body--light { color: var(--color-text-mid); }
.ab-body__accent { font-family: var(--font-mincho); font-size: 15px; color: var(--color-text); letter-spacing: .08em; border-left: 2px solid var(--color-gold); padding-left: 16px; margin-top: 24px; line-height: 2; }

/* ── 開幕：全画面タイトル ── */
.ab-opening { position: relative; height: 100vh; min-height: 600px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.ab-opening__photo { position: absolute; inset: 0; }
.ab-opening__photo .klab-cover-img { object-position: center top; }
.ab-opening__overlay { position: absolute; inset: 0; background: linear-gradient(to right, rgba(255,255,255,.55) 0%, rgba(255,255,255,.15) 100%); }
.ab-opening__inner { position: relative; z-index: 1; text-align: center; padding: 0 var(--container-pad); display: flex; flex-direction: column; align-items: center; gap: 0; }
.ab-opening__brand { font-family: var(--font-en); font-size: clamp(22px, 3vw, 38px); font-weight: 400; letter-spacing: .28em; color: var(--color-text); margin-bottom: 6px; }
.ab-opening__brand-ja { font-family: var(--font-mincho); font-size: clamp(11px, 1.2vw, 14px); letter-spacing: .3em; color: var(--color-text-light); margin-bottom: 28px; }
.ab-opening__rule { width: 40px; height: 1px; background: var(--color-gold); margin-bottom: 28px; }
.ab-opening__tagline { font-family: var(--font-mincho); font-size: clamp(28px, 4.5vw, 58px); font-weight: 400; letter-spacing: .18em; color: var(--color-text); line-height: 1.5; margin-bottom: 28px; }
.ab-opening__message { font-family: var(--font-mincho); font-size: clamp(15px, 1.6vw, 18px); letter-spacing: .12em; color: var(--color-text-mid); line-height: 1.9; max-width: 520px; }
.ab-opening__scroll { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.ab-opening__scroll span { display: block; width: 1px; height: 44px; background: linear-gradient(to bottom, var(--color-beige-mid), transparent); animation: ab-scroll 1.8s ease-in-out infinite; }
.ab-opening__scroll small { font-family: var(--font-en); font-size: 9px; letter-spacing: .2em; text-transform: uppercase; color: var(--color-text-light); }
@keyframes ab-scroll { 0%,100% { opacity: .3; } 50% { opacity: 1; } }

/* ── ブランドストーリー ── */
.ab-zigzag {
  background: var(--color-cream);
  padding: 100px 0;
}
.ab-zz {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px var(--container-pad);
  text-align: center;
}
.ab-zz__photo {
  width: 100%;
  height: 56vw;
  max-height: 680px;
  min-height: 300px;
}
.ab-zz__photo .klab-cover-picture,
.ab-zz__photo .klab-cover-img { width: 100%; height: 100%; display: block; }
.ab-zz__img {
  max-width: 900px;
  width: 100%;
  margin: 48px auto;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}
.ab-zz__img .klab-cover-picture,
.ab-zz__img .klab-cover-img { width: 100%; height: 100%; display: block; }
.ab-zz__text {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.ab-zz--text-only { background: transparent; }
.ab-zz__text--center { width: 100%; }
.ab-craft__photos--single { display: block; position: relative; min-height: 600px; }
.ab-craft__photo--full { position: absolute; inset: 0; }
.ab-others__list { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 32px 0; list-style: none; }
.ab-others__list li { font-family: var(--font-mincho); font-size: 14px; letter-spacing: .1em; color: var(--color-text-mid); border: 1px solid var(--color-beige-mid); border-radius: 40px; padding: 8px 24px; }
.ab-sw-num {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: .24em;
  color: var(--color-gold);
  margin-bottom: 32px;
}
.ab-sw-body {
  font-family: var(--font-mincho);
  font-size: clamp(13px, 1.2vw, 15px);
  color: var(--color-text-light);
  line-height: 2.4;
  letter-spacing: .12em;
  margin-bottom: 0;
}
.ab-sw-pivot {
  font-family: var(--font-mincho);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 400;
  letter-spacing: .16em;
  color: var(--color-text);
  line-height: 2;
  margin-bottom: 12px;
}
.ab-sw-pivot-sub {
  font-family: var(--font-mincho);
  font-size: clamp(13px, 1.2vw, 15px);
  color: var(--color-text-light);
  letter-spacing: .12em;
  line-height: 2;
}
.ab-sw-affirm {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.ab-sw-affirm li {
  font-family: var(--font-mincho);
  font-size: clamp(16px, 1.8vw, 20px);
  font-weight: 400;
  letter-spacing: .14em;
  color: var(--color-text-mid);
  line-height: 1.5;
}
.ab-sw-decl {
  font-family: var(--font-mincho);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 400;
  letter-spacing: .16em;
  color: var(--color-text);
  line-height: 2;
  margin-bottom: 20px;
}
.ab-sw-btn {
  display: inline-flex;
  align-items: center;
  margin-top: 28px;
  margin-left: auto;
  margin-right: auto;
  font-family: var(--font-mincho);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--color-gold);
  border-bottom: 1px solid rgba(196,163,90,.4);
  padding-bottom: 3px;
  width: fit-content;
  transition: border-color .3s;
}
.ab-sw-btn:hover { border-color: var(--color-gold); }

/* ── ① 創業ストーリー ── */
.ab-story { background: var(--color-white); }
.ab-story__hero {
  position: relative;
  height: 55vh;
  min-height: 360px;
  overflow: hidden;
}
.ab-story__hero-photo {
  position: absolute;
  inset: 0;
}
.ab-story__hero-photo .klab-cover-img { object-position: center top; }
.ab-story__hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  text-align: center;
  padding: 48px 5%;
  background: linear-gradient(to bottom, transparent 30%, rgba(255,255,255,.85) 100%);
}
.ab-story__hero-overlay .ab-label {
  font-size: 13px;
  letter-spacing: .3em;
  color: var(--color-gold);
  margin-bottom: 14px;
  display: block;
}
.ab-story__hero-overlay .ab-story__headline {
  border-bottom: none;
  margin: 0;
  padding-bottom: 0;
  text-align: center;
}
.ab-story__photos-row--single { grid-template-columns: 1fr; }
.ab-story__photos-row--single .ab-story__photo--row { height: 460px; }
.ab-story__sub-photo {
  width: 100%;
  max-width: 760px;
  margin: 48px auto;
  aspect-ratio: 760 / 441;
  overflow: hidden;
  position: relative;
}
.ab-story__sub-photo .klab-cover-picture,
.ab-story__sub-photo .klab-cover-img { width: 100%; height: 100%; display: block; }
.ab-story__center {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px var(--container-pad) 96px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.ab-story__catch { display: none; }
.ab-story__headline {
  font-family: var(--font-mincho);
  font-size: clamp(24px, 3.5vw, 48px);
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--color-text);
  line-height: 1.4;
  text-align: center;
  white-space: nowrap;
  margin: 24px 0 0;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-gold);
  width: 100%;
}
.ab-story__prose {
  margin-top: 36px;
  text-align: center;
  width: 100%;
}
.ab-story__prose p {
  font-family: var(--font-gothic);
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--color-text-mid);
  line-height: 2.1;
  letter-spacing: .03em;
  margin-bottom: 1.6em;
}
.ab-story__prose p:last-child { margin-bottom: 0; }
.ab-story__inline-photo {
  width: 100%;
  aspect-ratio: 16/7;
  background: var(--color-beige) center/cover no-repeat;
  border-radius: 12px;
  margin: 52px 0;
}
.ab-story__turn-text {
  font-family: var(--font-mincho);
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--color-text);
  line-height: 1.6;
  border-left: 3px solid var(--color-gold);
  padding-left: 20px;
  margin: 48px auto;
  text-align: left;
}

/* ── セクション区切り線 ── */
.ab-section-rule {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-beige-mid), transparent);
  margin: 0 var(--container-pad);
}

/* ── ② ものづくり ── */
.ab-craft { background: var(--color-cream); }
.ab-craft__grid { display: grid; grid-template-columns: 1fr 1fr; min-height: 600px; }
.ab-craft__content { padding: 80px 72px 80px 64px; display: flex; flex-direction: column; justify-content: center; }
.ab-craft__points { list-style: none; margin-top: 40px; display: flex; flex-direction: row; gap: 20px; justify-content: flex-start; flex-wrap: wrap; }
.ab-craft__points li { display: flex; flex-direction: column; align-items: center; gap: 14px; font-family: var(--font-gothic); font-size: 12px; color: var(--color-text-mid); letter-spacing: .07em; text-align: center; background: var(--color-white); border: 1px solid var(--color-beige); border-radius: 50%; width: 160px; height: 160px; justify-content: center; padding: 16px; }
.ab-craft__points svg { color: var(--color-gold); width: 24px; height: 24px; flex-shrink: 0; }
.ab-craft__photos { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; min-height: 600px; }
.ab-craft__photo { }
.ab-craft__photo--lg { grid-column: 1 / 2; grid-row: 1 / 3; }

/* ── ③ 内外美容 スプリットスクリーン ── */
.ab-inout {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 90vh;
  min-height: 560px;
  overflow: hidden;
}
.ab-inout-header {
  background: var(--color-white);
  text-align: center;
  padding: 96px var(--container-pad) 80px;
  border-bottom: 1px solid var(--color-beige);
}
.ab-inout-header__en {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 24px;
}
.ab-inout-header__title {
  font-family: var(--font-mincho);
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--color-text);
  line-height: 1.3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.ab-inout-header__inner { color: var(--color-text); }
.ab-inout-header__outer { color: var(--color-text); }
.ab-inout-header__divmark {
  font-family: var(--font-en);
  font-size: clamp(20px, 2.5vw, 36px);
  color: var(--color-gold);
  font-weight: 300;
  line-height: 1;
}
.ab-inout-header__desc {
  font-family: var(--font-gothic);
  font-size: clamp(13px, 1.3vw, 15px);
  color: var(--color-text-mid);
  line-height: 2.2;
  letter-spacing: .07em;
  max-width: 680px;
  margin: 0 auto;
}
.ab-inout__divider {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  pointer-events: none;
}
.ab-inout__divider-line {
  flex: 1;
  width: 1px;
  background: linear-gradient(to bottom, transparent 0%, rgba(255,255,255,.25) 20%, rgba(255,255,255,.25) 80%, transparent 100%);
}
.ab-inout__divider-badge {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.35);
  background: rgba(74,24,48,.52);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 14px;
  color: var(--color-gold);
  margin: 0;
}
.ab-inout__half {
  position: relative;
  overflow: hidden;
  cursor: default;
}
.ab-inout__photo {
  position: absolute;
  inset: 0;
  transition: transform .8s cubic-bezier(.25,.46,.45,.94);
}
.ab-inout__half:hover .ab-inout__photo {
  transform: scale(1.05);
}
.ab-inout__overlay {
  position: absolute;
  inset: 0;
  transition: opacity .4s ease;
}
.ab-inout__overlay--inner {
  background: linear-gradient(to top, rgba(30,15,20,.75) 0%, rgba(30,15,20,.25) 60%, transparent 100%);
}
.ab-inout__overlay--outer {
  background: linear-gradient(to top, rgba(20,15,25,.72) 0%, rgba(20,15,25,.22) 60%, transparent 100%);
}
.ab-inout__half:hover .ab-inout__overlay {
  opacity: .7;
}
.ab-inout__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0 52px 52px;
  z-index: 1;
}
.ab-inout__label {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 14px;
}
.ab-inout__title {
  font-family: var(--font-mincho);
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 400;
  letter-spacing: .1em;
  color: #fff;
  line-height: 1.55;
  margin-bottom: 20px;
}
.ab-inout__body {
  font-size: 13px;
  color: rgba(255,255,255,.68);
  line-height: 2.0;
  max-width: 340px;
  margin-bottom: 24px;
}
.ab-inout__link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mincho);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--color-gold);
  border-bottom: 1px solid rgba(196,163,90,.4);
  padding-bottom: 3px;
  transition: border-color var(--transition);
}
.ab-inout__link:hover { border-color: var(--color-gold); }
.ab-inout__half--outer .ab-inout__label {
  color: rgba(180,210,200,.9);
}
.ab-inout__half--outer .ab-inout__link {
  color: rgba(180,210,200,.9);
  border-color: rgba(180,210,200,.3);
}
.ab-inout__half--outer .ab-inout__link:hover {
  border-color: rgba(180,210,200,.8);
}

/* ── ④⑤ カテゴリー ── */
.ab-category { display: grid; grid-template-columns: 1fr 1fr; min-height: 640px; }
.ab-category--flip .ab-category__photo { order: 2; }
.ab-category--flip .ab-category__content { order: 1; }
.ab-category__photo { }
.ab-category__content { background: var(--color-off-white); display: flex; flex-direction: column; justify-content: center; padding: 80px 72px; position: relative; overflow: hidden; }
.ab-category__num { font-family: var(--font-en); font-size: 100px; font-weight: 300; letter-spacing: -.03em; color: rgba(255,255,255,.05); position: absolute; top: 32px; right: 40px; line-height: 1; }
.ab-category .ab-label { color: var(--color-gold); }
.ab-category__btn { display: inline-flex; align-items: center; gap: 8px; margin-top: 32px; font-family: var(--font-mincho); font-size: 13px; letter-spacing: .1em; color: var(--color-gold); border-bottom: 1px solid rgba(196,163,90,.35); padding-bottom: 4px; width: fit-content; transition: border-color var(--transition); }
.ab-category__btn:hover { border-color: var(--color-gold); }

/* ── ⑥ その他 ── */
.ab-others { padding: var(--section-gap) 0; background: var(--color-white); }
.ab-others__header { text-align: center; max-width: 560px; margin: 0 auto 56px; }
.ab-others__desc { font-size: 14px; color: var(--color-text-mid); line-height: 2.0; margin-top: 8px; }
.ab-others__photos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.ab-others__photo-item figcaption { font-family: var(--font-mincho); font-size: 13px; letter-spacing: .08em; color: var(--color-text-mid); text-align: center; margin-top: 14px; }
.ab-others__photo { aspect-ratio: 3/4; background: var(--color-beige) center/cover no-repeat; border-radius: 12px; overflow: hidden; transition: transform .4s ease; }
.ab-others__photo-item:hover .ab-others__photo { transform: scale(1.02); }
.ab-others__note { text-align: center; font-family: var(--font-gothic); font-size: 14px; letter-spacing: .02em; color: var(--color-text-mid); margin-top: 48px; }

/* ── ⑦ ミッション ── */
.ab-mission { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.ab-mission__photo { position: absolute; inset: 0; }
.ab-mission__overlay { position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(44,20,28,.2) 0%, rgba(44,20,28,.65) 100%); }
.ab-mission__inner { position: relative; z-index: 1; text-align: center; padding: 0 var(--container-pad); max-width: 1040px; display: flex; flex-direction: column; align-items: center; }
.ab-mission__label { font-family: var(--font-en); font-size: 11px; letter-spacing: .28em; text-transform: uppercase; color: var(--color-text-light); }
.ab-mission__rule { width: 1px; height: 44px; background: linear-gradient(to bottom, var(--color-beige-mid), transparent); margin: 24px 0; }
.ab-mission__title { font-family: var(--font-mincho); font-size: clamp(26px, 4vw, 46px); font-weight: 400; letter-spacing: .18em; color: var(--color-text); line-height: 1.6; margin-bottom: 32px; }
.ab-mission__body { font-family: var(--font-gothic); font-size: clamp(14px, 1.4vw, 16px); color: var(--color-text-mid); line-height: 2.2; letter-spacing: .02em; }
.ab-mission__body p { margin-bottom: 1.4em; }
.ab-mission__cta { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; margin-top: 16px; }
.ab-btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 36px; border-radius: 40px; font-family: var(--font-mincho); font-size: 14px; letter-spacing: .1em; transition: opacity var(--transition), border-color var(--transition), color var(--transition); }
.ab-btn--gold { background: var(--color-gold); color: #fff; border: 1px solid var(--color-gold); }
.ab-btn--gold:hover { opacity: .8; }
.ab-btn--line { background: transparent; color: var(--color-text-mid); border: 1px solid var(--color-beige-mid); }
.ab-btn--line:hover { border-color: var(--color-gold); color: var(--color-gold); }

/* ===== MEDIA QUERIES ===== */
@media (max-width: 1024px) {
  .ab-story__layout { grid-template-columns: 1fr; }
  .ab-story__side-photo { height: 320px; }
  .ab-story__side-text { padding: 56px var(--container-pad); }
  .ab-craft__content { padding: 60px 48px; }
  .ab-category__content { padding: 60px 48px; }
}
@media (max-width: 768px) {
  .ab-strip { grid-template-columns: repeat(2, 1fr); height: 360px; }
  .ab-craft__grid { grid-template-columns: 1fr; }
  .ab-craft__content { padding: 48px var(--container-pad); }
  .ab-craft__photos { min-height: 300px; grid-template-rows: 160px 160px; }
  .ab-category { grid-template-columns: 1fr; min-height: auto; }
  .ab-category--flip .ab-category__photo { order: 1; }
  .ab-category--flip .ab-category__content { order: 2; }
  .ab-category__photo { height: 320px; }
  .ab-category__content { padding: 48px var(--container-pad); }
  .ab-others__photos { gap: 12px; }
  .ab-zz { padding: 72px var(--container-pad); }
  .ab-zz__photo { height: 72vw; }
  .ab-story__photos-row { height: 320px; grid-template-columns: 1fr 1fr; }
  .ab-story__hero { height: 40vh; }
  .ab-story__hero-overlay { padding: 28px var(--container-pad); }
  .ab-story__center { padding: 32px var(--container-pad) 48px; text-align: left; align-items: flex-start; }
  .ab-story__headline { text-align: left; white-space: normal; }
  .ab-story__prose { text-align: left; }
  .ab-inout { grid-template-columns: 1fr; height: auto; }
  .ab-inout__half { height: 60vh; min-height: 400px; }
  .ab-inout__divider { flex-direction: row; height: auto; width: 100%; top: auto; left: 0; transform: none; bottom: 0; position: relative; }
  .ab-inout__divider-line { width: auto; height: 1px; flex: 1; background: linear-gradient(to right, transparent, rgba(255,255,255,.2), transparent); }
  .ab-inout__heading { top: 24px; }
  .ab-inout__content { padding: 0 32px 40px; }
}
@media (max-width: 600px) {
  .ab-opening__tagline { letter-spacing: .1em; }
}
@media (max-width: 480px) {
  .ab-strip { height: 220px; }
  .ab-others__photo { aspect-ratio: 1/1; }
}