/* =====================================================================
   SNS CREATIVE WORKS セクション（/sns-portfolio/ 専用）
   すべて .sns-creative / .sns-creative-modal 配下にスコープ。
   既存 sns-portfolio.css・BANNER/WORKS の CSS には影響させない。
   トークンは sns-portfolio.css の :root (--sns-*) を流用。
   ===================================================================== */

/* ---- CASE STUDY 一覧のコンパクト化（このファイルが後読みなので上書きになる） ---- */
.sns-works-cases__list {
  max-width: 54rem;   /* ≒864px。将来複数件でも grid のまま拡張可 */
  margin-inline: auto;
}

/* ---- セクション枠 ---- */
.sns-creative {
  padding: clamp(6rem, 9vw, 9rem) 0;
  background: var(--sns-white);
}

.sns-creative__heading {
  margin-bottom: clamp(2.25rem, 4vw, 3.25rem);
}

/* SNS CASE STUDY の .sns-works-cases__subtitle と完全に同じ指定に統一。
   （line-height は指定せず、CASE STUDY 側と同様に本文既定 1.9 を継承）
   英字 .sns-section-title ＋ 日本語サブ見出し ＋ intro の3段構成を両セクションで揃える。 */
.sns-creative__subtitle {
  margin: 1.2rem 0 0;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  font-weight: 500;
  letter-spacing: 0.1em;
}

.sns-creative__intro {
  margin: 1.25rem 0 0;
  font-size: 1rem;
  line-height: 1.9;
  letter-spacing: 0.05em;
  word-break: auto-phrase;
}

/* ---- カテゴリフィルター ---- */
.sns-creative__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-bottom: clamp(2rem, 3.5vw, 2.75rem);
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--sns-line);
}

.sns-creative-filter__btn {
  padding: 0.35rem 0.2rem;
  border: 0;
  background: transparent;
  color: rgba(11, 32, 56, 0.55);
  font-family: var(--sns-sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: color 0.25s ease, border-color 0.25s ease;
  border-bottom: 2px solid transparent;
}

.sns-creative-filter__btn:hover,
.sns-creative-filter__btn:focus-visible {
  color: var(--sns-navy);
}

.sns-creative-filter__btn.is-active {
  color: var(--sns-navy);
  border-bottom-color: var(--sns-coral);
}

/* ---- カードグリッド（PC:3 / タブレット:2 / SP:1） ---- */
.sns-creative-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.5vw, 2rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.sns-creative-card {
  min-width: 0;
}

.sns-creative-card.sns-creative-card--hidden {
  display: none;
}

.sns-creative-card__trigger {
  display: flex;
  width: 100%;
  flex-direction: column;
  padding: 0;
  border: 1px solid rgba(32, 67, 93, 0.2);
  border-radius: 16px;
  background: var(--sns-white);
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.sns-creative-card__trigger:hover,
.sns-creative-card__trigger:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(32, 67, 93, 0.4);
  box-shadow: 0 0.7rem 1.8rem rgba(11, 32, 56, 0.08);
}

.sns-creative-card__trigger:focus-visible {
  outline: 2px solid var(--sns-navy);
  outline-offset: 2px;
}

.sns-creative-card__visual {
  position: relative;
  display: block;
  aspect-ratio: 4 / 5;   /* STORIES/FEED/REEL 共通の縦長サムネ（一覧の可読性優先） */
  background: var(--sns-blue);
  overflow: hidden;
}

.sns-creative-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sns-creative-card__meta {
  display: block;
  padding: 0.9rem 1rem 1.1rem;
}

.sns-creative-card__category {
  display: block;
  color: var(--sns-coral);
  font-family: var(--sns-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.sns-creative-card__title {
  display: block;
  margin-top: 0.3rem;
  color: var(--sns-navy);
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

.sns-creative-card__purpose {
  display: block;
  margin-top: 0.35rem;
  color: rgba(11, 32, 56, 0.6);
  font-family: var(--sns-sans);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

/* 成果（任意）。既存メタ情報になじむ小さなアクセント表示 */
.sns-creative-card__achievement {
  display: block;
  margin-top: 0.35rem;
  color: var(--sns-navy);
  font-family: var(--sns-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* ---- モーダル ---- */
.sns-creative-modal[hidden] {
  display: none;
}

.sns-creative-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1.5rem;
}

.sns-creative-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 32, 56, 0.45);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.sns-creative-modal__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(960px, 92vw);
  max-height: 88vh;
  overflow: hidden;
  border-radius: 14px;
  background: var(--sns-white);
  box-shadow: 0 1.5rem 3rem rgba(11, 32, 56, 0.28);
  opacity: 0;
  transform: translateY(0.75rem);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.sns-creative-modal.is-open .sns-creative-modal__overlay {
  opacity: 1;
}

.sns-creative-modal.is-open .sns-creative-modal__panel {
  opacity: 1;
  transform: none;
}

.sns-creative-modal__x {
  position: absolute;
  top: 0.5rem;
  right: 0.7rem;
  z-index: 2;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--sns-navy);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

.sns-creative-modal__content {
  flex: 1 1 auto;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.sns-creative-modal__close {
  flex: none;
  align-self: center;
  margin: 0 0 1.4rem;
  padding: 0.55rem 2.4rem;
  border: 1px solid var(--sns-navy);
  border-radius: 999px;
  background: transparent;
  color: var(--sns-navy);
  font-family: var(--sns-display);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  cursor: pointer;
  transition: color 0.25s ease, background-color 0.25s ease;
}

.sns-creative-modal__close:hover,
.sns-creative-modal__close:focus-visible {
  color: var(--sns-white);
  background: var(--sns-navy);
}

/* モーダル内レイアウト：PC 2カラム（メディア | 詳細） */
.sns-creative-modal__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2.75rem);
  padding: clamp(2.5rem, 4vw, 3.25rem) clamp(1.75rem, 3vw, 2.75rem) clamp(1.5rem, 2.5vw, 2rem);
}

.sns-creative-modal__media {
  min-width: 0;
}

/* REEL 動画は 9:16 縦動画前提。巨大化させず見やすい最大幅で中央
   （既存の .sns-creative-modal__image と同じ max-width:340px に統一） */
.sns-creative-modal__video {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 0 auto;
  aspect-ratio: 9 / 16;
  border-radius: 12px;
  background: #000;
  object-fit: contain;
}

.sns-creative-modal__link {
  display: flex;
  width: fit-content;
  max-width: 340px;
  align-items: center;
  gap: 0.35rem;
  margin: 1rem auto 0;
  color: var(--sns-navy);
  font-family: var(--sns-sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-bottom: 1px solid var(--sns-line);
  padding-bottom: 0.2em;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.sns-creative-modal__link:hover,
.sns-creative-modal__link:focus-visible {
  color: var(--sns-coral);
  border-color: var(--sns-coral);
}

.sns-creative-modal__figure {
  position: relative;
  margin: 0 0 1rem;
}

.sns-creative-modal__figure:last-child {
  margin-bottom: 0;
}

.sns-creative-modal__figure-num {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: rgba(11, 32, 56, 0.7);
  color: var(--sns-white);
  font-family: var(--sns-display);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.sns-creative-modal__image {
  display: block;
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
  height: auto;
  border-radius: 12px;
}

.sns-creative-modal__detail {
  min-width: 0;
}

.sns-creative-modal__category {
  margin: 0;
  color: var(--sns-coral);
  font-family: var(--sns-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.sns-creative-modal__title {
  margin: 0.4rem 0 1.5rem;
  color: var(--sns-navy);
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.sns-creative-modal__list {
  margin: 0;
}

.sns-creative-modal__list > div {
  padding: 0.9rem 0;
  border-top: 1px solid var(--sns-line);
}

.sns-creative-modal__list > div:last-child {
  border-bottom: 1px solid var(--sns-line);
}

.sns-creative-modal__list dt {
  margin-bottom: 0.3rem;
  color: rgba(11, 32, 56, 0.55);
  font-family: var(--sns-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.sns-creative-modal__list dd {
  margin: 0;
  color: var(--sns-navy);
  font-size: 0.9rem;
  line-height: 1.85;
  letter-spacing: 0.03em;
}

body.sns-creative-modal-open {
  overflow: hidden;
}

/* ---- レスポンシブ ---- */
@media (max-width: 1100px) {
  .sns-creative-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .sns-works-cases__list {
    max-width: none;
  }

  .sns-creative-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }

  .sns-creative-card__visual {
    aspect-ratio: 16 / 10;   /* SP 1カラムでは横広めにして縦の圧迫を軽減 */
  }

  /* モーダル：メディア → 詳細 の1カラム */
  .sns-creative-modal {
    padding: 0;
  }

  .sns-creative-modal__panel {
    width: 100%;
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
  }

  .sns-creative-modal__layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
    padding: 3rem 1.3rem 1.25rem;
  }

  .sns-creative-modal__video {
    max-width: 240px;
  }

  .sns-creative-modal__image {
    max-width: 300px;
  }
}

@media (max-width: 430px) {
  .sns-creative__filter {
    gap: 0.4rem 1rem;
  }

  .sns-creative-filter__btn {
    font-size: 0.78rem;
    letter-spacing: 0.1em;
  }

  .sns-creative-modal__video {
    max-width: 210px;
  }

  .sns-creative-modal__layout {
    padding-left: 1.15rem;
    padding-right: 1.15rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sns-creative-card__trigger,
  .sns-creative-modal__overlay,
  .sns-creative-modal__panel {
    transition: none;
  }
}