/* =============================================
  works ページ全体
============================================= */
.works-main {
  width: 100%;
}

/* =============================================
  ヒーローエリア
  モバイル: 高さ320pxの縦書きタイトル
============================================= */
.works-hero {
  position: relative;
  width: 100%;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 320px;
  grid-template-areas:
    "works-hero__title";
  align-items: start;
  padding: 2rem 1rem;
  gap: 1.5rem;
}

/* タイトルラッパー（画像に重ねて左側に配置） */
.works-hero__title-wrap {
  position: absolute; /* 画像を基準に重ねる */
  top: 0;
  left: 0;
  z-index: 1;
  width: 25%;  /* 左から約25%の幅で暗幕を表示 */
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(30, 30, 30, 0.55);
}

/* 背景画像 */
.works-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* 暗幕オーバーレイ */
.works-hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-color: var(--color--splash);
}

.works-hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* ページタイトル "works" */
.works-hero__title {
  z-index: 1;
  grid-area: works-hero__title;
  align-self: center;
  font-size: clamp(1.52rem, 1.52rem + (1.67rem - 1.52rem) * ((100vw - 375px) / (768px - 375px)), 1.67rem);
  font-weight: 900;
  letter-spacing: 0.15em;
  line-height: 1;
  padding-left: 0;
  color: var(--color--text--1);
  margin: 0;
  writing-mode: vertical-rl;  /* 縦書き（右から左方向） */
  text-orientation: upright;
  text-align: center;
}

/* =============================================
  カテゴリフィルター
============================================= */
.works-filter {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding-bottom: 40px;
}

.works-filter__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.works-filter__item {
  display: flex;
}

.works-filter__btn {
  display: inline-block;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: clamp(0.91rem, 0.91rem + (1rem - 0.91rem) * ((100vw - 375px) / (768px - 375px)), 1rem);
  font-weight: 400;
  color: var(--color--text--2);
  padding: 0.15em 0;
  letter-spacing: 0.05em;
  line-height: 1.6;
  transition: opacity 0.2s ease;
}
@media (width >= 768px) {
  .works-filter__btn {
    font-size: clamp(1rem, 1rem + (1.15rem - 1rem) * ((100vw - 768px) / (1440px - 768px)), 1.15rem);
  }
}
@media (width >= 1440px) {
  .works-filter__btn {
    font-size: clamp(1.15rem, 1.15rem + (1.26rem - 1.15rem) * ((100vw - 1440px) / (1920px - 1440px)), 1.26rem);
  }
}

.works-filter__btn:hover {
  opacity: 0.5;
}

/* 選択中のボタン */
.works-filter__btn.is-active {
  font-weight: 700;
  border-bottom: 1.5px solid currentColor;
}

/* =============================================
  制作実績グリッド
============================================= */
.works-archive {
  padding: 2rem 1rem;
}

.works-page__note {
  font-size: clamp(0.91rem, 0.91rem + (1rem - 0.91rem) * ((100vw - 375px) / (768px - 375px)), 1rem);
  padding-bottom: 40px;
}
@media (width >= 768px) {
  .works-page__note {
    font-size: clamp(1rem, 1rem + (1.15rem - 1rem) * ((100vw - 768px) / (1440px - 768px)), 1.15rem);
  }
}
@media (width >= 1440px) {
  .works-page__note {
    font-size: clamp(1.15rem, 1.15rem + (1.26rem - 1.15rem) * ((100vw - 1440px) / (1920px - 1440px)), 1.26rem);
  }
}

.works-page__note-lead,
.works-page__note-sub {
  display: block; /* 1行目と2行目以降を改行で分ける */
}

.works-page__note-sub {
  margin-top: 0.25rem;
  font-size: clamp(0.81rem, 0.81rem + (0.89rem - 0.81rem) * ((100vw - 375px) / (768px - 375px)), 0.89rem); /* 1行目（0.9倍）より一段小さく */
}
@media (width >= 768px) {
  .works-page__note-sub {
    font-size: clamp(0.89rem, 0.89rem + (1.02rem - 0.89rem) * ((100vw - 768px) / (1440px - 768px)), 1.02rem);
  }
}
@media (width >= 1440px) {
  .works-page__note-sub {
    font-size: clamp(1.02rem, 1.02rem + (1.12rem - 1.02rem) * ((100vw - 1440px) / (1920px - 1440px)), 1.12rem);
  }
}

.works-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 4rem) clamp(1.5rem, 3vw, 3rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

/* 投稿がない場合 */
.works-archive__empty {
  text-align: center;
  color: #888;
  font-size: 1rem;
  padding: 4rem 0;
}


/* =============================================
  制作実績カード
============================================= */
.works-card {
  display: flex;
  flex-direction: column;
}

.works-card__link {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

/* サムネイル */
.works-card__thumbnail {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-base);
  border: 1px solid #ddd;
}

.works-card__thumbnail::after {
  content: '';
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0); /* 初期状態：透明 */
  transition: background-color 0.4s ease;
  pointer-events: none;  /* クリックを妨げない */
}

/* フォーカス時：暗幕を表示 */
.works-card__link:focus-visible .works-card__thumbnail::after {
  background-color: rgba(0, 0, 0, 0.6);
}

.works-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.4s ease;
}

/* プレースホルダー画像 */
.works-card__img--placeholder {
  object-fit: contain;
  padding: 1rem;
  background-color: var(--color-base);
}

/* ホバー時に重ねて表示するラベル(モバイルはホバーがないため非表示) */
.works-card__hover-label {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--color--text--1);
  font-weight: 600;
  letter-spacing: 0.1em;
  pointer-events: none;

  /* 初期状態：非表示 */
  opacity: 0;
  translate: 0 8px;  /* 少し下にずらした状態から */
  transition: opacity 0.4s ease, translate 0.4s ease;
}

/* フォーカス時：ラベルをふわっと表示 */
.works-card__link:focus-visible .works-card__hover-label {
  opacity: 1;
  translate: 0 0;
}

/* テキスト情報（画像の下に常時表示） */
.works-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 0.75rem;
}

.works-card__title {
  font-size: clamp(1.12rem, 1.12rem + (1.22rem - 1.12rem) * ((100vw - 375px) / (768px - 375px)), 1.22rem);
  font-weight: 600;
  margin: 0;
  line-height: 1.4;
  color: var(--color--text--2);
}

.works-card__desc {
  font-size: clamp(0.81rem, 0.81rem + (0.89rem - 0.81rem) * ((100vw - 375px) / (768px - 375px)), 0.89rem);
  color: var(--color--text--2);
  margin: 0;
  line-height: 1.8;

  /* ボックス化 */
  padding: 0.75rem 1rem;
  border: 1px solid var(--color--border);
  border-radius: var(--radius--sm);
  background-color: var(--color--text--1);

  /* 高さを6行分に固定し、超えた分はボックス内で縦スクロール */
  height: calc(1.8em * 6 + 1.5rem + 2px); /* 行の高さ×6行＋上下padding＋上下border（常に同じ高さ） */
  overflow-y: auto;
  overscroll-behavior: contain; /* 端までスクロールしてもページ側へ連動させない */
  scrollbar-width: thin;
  scrollbar-color: var(--color--border) transparent;
}

.works-card__desc:focus-visible {
  outline: 2px solid var(--color--focus);
  outline-offset: 2px;
}

/* 本文の段落余白を詰める */
.works-card__desc p {
  margin: 0;
}


/* =============================================
  ページネーション
============================================= */
.works-pagination {
  margin-top: var(--space--8);
  display: flex;
  justify-content: center;
}

.works-pagination__list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.works-pagination__item a,
.works-pagination__item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 0.75rem;
  border: 1px solid var(--color--border);
  border-radius: var(--radius--sm);
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--color--text--2);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.works-pagination__item a:hover {
  background-color: var(--color--splash);
  border-color: var(--color--border);
}

/* 現在のページ番号 */
.works-pagination__item .current {
  background-color: var(--color-main);
  color: var(--color--text--1);
  border-color: var(--color-main);
  font-weight: 700;
}

/* =============================================
  768px以上: 横長のヒーロー、2列グリッド、ホバー演出
============================================= */
@media (width >= 768px) {
  .works-hero {
    grid-template-rows: none;
    aspect-ratio: 16 / 9;
    align-items: end;
    padding: 0 var(--space--8) 0 0;
    gap: normal;
  }

  .works-hero__title {
    font-size: clamp(3rem, 3rem + (4.5rem - 3rem) * ((100vw - 768px) / (1440px - 768px)), 4.5rem);
    letter-spacing: -0.02em;
    padding-left: clamp(1rem, 0.357rem + 1.34vw, 2.5rem);
    writing-mode: horizontal-tb;
    text-orientation: mixed;
    text-align: start;
  }

  .works-filter__list {
    flex-wrap: nowrap;
    gap: 2rem;
  }

  .works-archive {
    padding: var(--space--12) clamp(1rem, 4vw, 4rem) clamp(2rem, 5vw, 5rem);
  }

  .works-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .works-card__title {
    font-size: clamp(1.39rem, 1.39rem + (1.6rem - 1.39rem) * ((100vw - 768px) / (1440px - 768px)), 1.6rem);
  }

  .works-card__desc {
    font-size: clamp(1rem, 1rem + (1.15rem - 1rem) * ((100vw - 768px) / (1440px - 768px)), 1.15rem);
  }

  .works-card__hover-label {
    display: flex;
  }

  /* ホバー時：暗幕・拡大・ラベルを表示 */
  .works-card__link:hover .works-card__thumbnail::after {
    background-color: rgba(0, 0, 0, 0.6);
  }

  .works-card__link:hover .works-card__img {
    transform: scale(1.03);
  }

  .works-card__link:hover .works-card__hover-label {
    opacity: 1;
    translate: 0 0;
  }
}

@media (width >= 1440px) {
  .works-hero__title {
    font-size: clamp(4.5rem, 4.5rem + (5.57rem - 4.5rem) * ((100vw - 1440px) / (1920px - 1440px)), 5.57rem);
  }

  .works-card__title {
    font-size: clamp(1.6rem, 1.6rem + (1.75rem - 1.6rem) * ((100vw - 1440px) / (1920px - 1440px)), 1.75rem);
  }

  .works-card__desc {
    font-size: clamp(1.15rem, 1.15rem + (1.26rem - 1.15rem) * ((100vw - 1440px) / (1920px - 1440px)), 1.26rem);
  }
}