/* ================================================
   IZURA — izura.css
   izura.html 専用スタイル
   ※ Design Tokens は style.css の :root に定義済み
   ================================================ */


/* ================================================
   THEME — izura カラートークン
   ================================================ */
:root {
  --color-izura-primary:    #FFFFFF;
  --color-izura-secondary:  rgba(255, 255, 255, 0.7);
  --color-izura-badge-bg:   rgba(255, 255, 255, 0.15);
  --color-izura-bg-page:    #131416;
  --color-izura-bg-main:    #26282B;
  --color-izura-indent-bar: rgba(255, 255, 255, 0.15);
  --color-izura-divider:    rgba(136, 140, 150, 0.2);
}

body.theme--izura {
  font-family: var(--font-helvetica);
  letter-spacing: 0;
  word-break: break-word;
  overflow-wrap: break-word;
  background-color: var(--color-izura-bg-page);
}


/* ================================================
   BADGE — izura固有バッジ
   ================================================ */
.badge--izura {
  background-color: var(--color-izura-badge-bg);
  font-size: var(--size-pc-caption);
  line-height: var(--lh-pc-caption);
  color: var(--color-izura-secondary);
}


/* ================================================
   SECTION — Intro（izura固有）
   ================================================ */

.intro__section {
  background-color: var(--color-izura-bg-main);
}

.intro__section > .intro__content,
.intro__section > .intro__mv {
  flex: 0 0 50%;
  min-width: 0;
}

.intro__content {
  background-color: var(--color-izura-bg-main);
}

.intro__heading     { color: var(--color-izura-primary); }
.intro__title       { color: var(--color-izura-primary); }
.intro__desc        { color: var(--color-izura-primary); }
.intro__detail-text {
  color: var(--color-izura-secondary);
  white-space: normal;
}

/* nav-bottom 色オーバーライド */
.theme--izura .nav-bottom__group {
  background-color: rgba(255, 255, 255, 0.2);
}

.theme--izura .nav-bottom__home {
  background-color: rgba(255, 255, 255, 0.2);
}

.theme--izura .nav-bottom__home:hover {
  background-color: rgba(255, 255, 255, 0.4);
}

.theme--izura .nav-bottom__gradient--right {
  background: linear-gradient(to left, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0));
}

.theme--izura .nav-bottom__gradient--left {
  background: linear-gradient(to right, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0));
}


/* ================================================
   DIVIDER — intro と overview の間
   ================================================ */
.izura-divider {
  padding: 0 var(--sp-pad-container-h-pc);
}

.izura-divider__line {
  height: 1px;
  background-color: var(--color-izura-divider);
  width: 100%;
}

@media (max-width: 768px) {
  .izura-divider {
    padding: 0 var(--sp-pad-h-sp);
  }

  .izura-divider__line {
    height: 1px;
  }
}


/* ================================================
   IMAGE — PC / SP 表示切り替え
   ================================================ */
.izura-research__sample-img--sp,
.izura-research__sample-concept-img--sp,
.izura-research__sample-video-thumb--sp,
.izura-research__play-icon--sp {
  display: none !important;
}

@media (max-width: 768px) {
  .izura-research__sample-img--pc,
  .izura-research__sample-concept-img--pc,
  .izura-research__sample-video-thumb--pc,
  .izura-research__play-icon--pc {
    display: none !important;
  }

  .izura-research__sample-img--sp,
  .izura-research__sample-concept-img--sp,
  .izura-research__sample-video-thumb--sp,
  .izura-research__play-icon--sp {
    display: block !important;
  }
}


/* ================================================
   SECTION — Overview（izuraカラーオーバーライド）
   ================================================ */
.theme--izura .overview {
  background-color: var(--color-izura-bg-page);
  gap: 64px;
}

@media (max-width: 768px) {
  .theme--izura .overview {
    gap: 16px;
  }
}

.theme--izura .section__label {
  color: var(--color-izura-secondary);
}

.theme--izura .section__heading-medium {
  color: var(--color-izura-primary);
}

.theme--izura .section__body {
  color: var(--color-izura-primary);
}

.theme--izura .section__indent-bar {
  background-color: var(--color-izura-indent-bar);
}

.theme--izura .section__indent-label {
  color: var(--color-izura-primary);
}

.theme--izura .section__indent-text {
  color: var(--color-izura-primary);
}

.theme--izura .section__bullet-items {
  color: var(--color-izura-primary);
}


/* ================================================
   SECTION — Research
   ================================================ */
.izura-research {
  padding: var(--sp-pad-container-v-pc) var(--sp-pad-container-h-pc);
  display: flex;
  flex-direction: column;
  gap: 96px;
  background-color: var(--color-izura-bg-page);
}

/* カード外枠 */
.izura-research__card {
  background-color: var(--color-izura-bg-main);
  border-radius: 16px;
  padding: 48px 60px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

/* 各番号コンテンツブロック */
.izura-research__contents {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* テキストブロック */
.izura-research__body-detail {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* タイトル行（番号 + テキスト） */
.izura-research__title {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-family: var(--font-helvetica);
  font-size: var(--size-pc-heading-xsmall);
  font-weight: 700;
  line-height: var(--lh-pc-heading-xsmall);
  color: var(--color-izura-primary);
  letter-spacing: 0;
}

.izura-research__title-num {
  flex-shrink: 0;
}

.izura-research__title-text {
  flex: 1;
}

/* bullet-items カラーオーバーライド（research内） */
.izura-research .section__bullet-items {
  color: var(--color-izura-primary);
}

/* ---- sample 共通 ---- */
.izura-research__sample {
  background-color: var(--color-izura-badge-bg);
  border-radius: 16px;
  padding: 48px 60px;
  display: flex;
  flex-direction: column;
  gap: 60px;
  align-items: center;
}

/* sample内 divider */
.izura-research__sample-divider {
  width: 100%;
  height: 1px;
  background-color: var(--color-izura-divider);
  flex-shrink: 0;
}

/* 1番 sample-img: full width */
.izura-research__sample-img {
  width: 100%;
  height: auto;
  display: block;
  
}

/* 2番 sample: 縦並び */
.izura-research__sample--concept {
  flex-direction: column;
  gap: 48px;
}

/* 仕様書・結果物 各ブロック */
.izura-research__sample-block {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
  width: 100%;
}

/* badge */
.izura-research__sample-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 16px;
  border-radius: var(--radius-s);
  background-color: var(--color-izura-badge-bg);
  font-family: var(--font-helvetica);
  font-size: var(--size-pc-body);
  font-weight: 700;
  line-height: var(--lh-pc-body);
  color: var(--color-izura-secondary);
  letter-spacing: 0;
  white-space: nowrap;
}

/* 仕様書画像 */
.izura-research__sample-concept-img {
  width: 100%;
  height: auto;
  display: block;
  
}

/* 結果物: 動画サムネイル + オーバーレイ */
.izura-research__sample-video {
  position: relative;
  width: 100%;
  
  overflow: hidden;
}

.izura-research__sample-video-thumb {
  width: 100%;
  height: auto;
  display: block;
}

.izura-research__sample-video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 16px;
}

/* 再生ボタン */
.izura-research__play-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-gap-m);
  height: 48px;
  padding: 0 16px 0 24px;
  background-color: rgba(0, 0, 0, 0.8);
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--font-helvetica);
  font-size: var(--size-pc-body);
  font-weight: 400;
  line-height: var(--lh-pc-body);
  color: var(--color-izura-primary);
  letter-spacing: 0;
  white-space: nowrap;
  text-decoration: none;
}

.izura-research__play-icon {
  width: 24px;
  height: 24px;
  display: block;
  flex-shrink: 0;
}


/* ================================================
   SECTION — Wrapup
   ================================================ */
.izura-wrapup {
  background-color: var(--color-izura-bg-page);
  padding: var(--sp-pad-container-v-pc) var(--sp-pad-container-h-pc);
  display: flex;
  flex-direction: column;
  gap: 96px;
  align-items: center;
}

.izura-wrapup__heading {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
  text-align: center;
  width: 100%;
}

.izura-wrapup__title {
  font-size: var(--size-pc-heading-large);
  font-weight: 700;
  line-height: var(--lh-pc-heading-large);
  color: var(--color-izura-primary);
  letter-spacing: 0;
}

.izura-wrapup__desc {
  font-size: var(--size-pc-body);
  font-weight: 400;
  line-height: var(--lh-pc-body);
  color: var(--color-izura-primary);
  letter-spacing: 0;
  text-align: center;
}

.izura-wrapup__content {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
  width: 100%;
}

.izura-wrapup__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.izura-wrapup__item .badge {
  align-self: center;
}

.izura-wrapup__item-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: center;
  font-size: var(--size-pc-body);
  font-weight: 400;
  line-height: var(--lh-pc-body);
  color: var(--color-izura-secondary);
  letter-spacing: 0;
  text-align: center;
}

@media (max-width: 768px) {
  .izura-wrapup {
    padding: var(--sp-pad-v-sp) var(--sp-pad-h-sp);
    gap: 64px;
  }

  .izura-wrapup__title {
    font-size: 24px;
    line-height: 36px;
  }

  .izura-wrapup__desc {
    font-size: var(--size-sp-body);
    line-height: var(--lh-sp-body);
  }

  .izura-wrapup__item-text {
    font-size: var(--size-sp-body);
    line-height: var(--lh-sp-body);
  }
}



.izura-marquee {
  background-color: var(--color-izura-bg-main);
}


/* ================================================
   Responsive — Research SP
   ================================================ */
@media (max-width: 768px) {

  .izura-research {
    padding: var(--sp-pad-v-sp) var(--sp-pad-h-sp);
    gap: var(--sp-gap-xxxl);
  }

  .izura-research__card {
    padding: 24px 16px;
    gap: 24px;
  }

  .izura-research__contents {
    gap: 24px;
  }

  .izura-research__title {
    font-size: var(--size-sp-body);
    line-height: var(--lh-sp-body);
    font-weight: 700;
  }

  .izura-research__body-detail {
    gap: 4px;
  }

  .izura-research__sample {
    padding: 24px 16px;
    gap: 24px;
  }

  .izura-research__sample--concept {
    gap: 24px;
  }

  .izura-research__sample-block {
    gap: 16px;
  }

  .izura-research__sample-badge {
    font-size: var(--size-sp-caption);
    line-height: var(--lh-sp-caption);
    padding: 6px 10px;
  }

  .izura-research__play-btn {
    font-size: var(--size-sp-body);
    line-height: var(--lh-sp-body);
    height: 40px;
    padding: 0 16px 0 20px;
    gap: 0;
  }

}

@media (max-width: 768px) {

  .intro__section > .intro__content,
  .intro__section > .intro__mv {
    flex: none;
    width: 100%;
  }

  .intro__mv {
    aspect-ratio: 375 / 392;
  }

  .badge--izura {
    font-size: var(--size-sp-caption);
    line-height: var(--lh-sp-caption);
  }

}