/* home.css — トップページ（白基調＋暖色アクセント・リデザイン）
   layout.php の $page_styles で showcase.css の後に読み込む＝トップだけに最優先で適用。
   下部は 作品=ベージュ → 見え方と動き方=白 → フッター=グレー。 */

/* ===== セクション土台 ===== */
.main {
  background: var(--color-bg);
}
.section {
  padding-block: clamp(4.5rem, 9vw, 8rem);
  background: transparent;               /* = 白 */
}
.section--tint { background: var(--color-tint); }

/* ===== セクション見出し ===== */
.sec-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.sec-head--center { text-align: center; }
.sec-head--center .sec-lead { margin-inline: auto; }
.sec-head--row {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--space-6); flex-wrap: wrap;
}
.sec-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}
.sec-title {
  font-family: var(--font-brand);
  font-weight: 600;
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.22;
  letter-spacing: 0.03em;
  color: var(--color-heading);
}
.sec-lead {
  margin-top: var(--space-5);
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

/* ===== ボタン ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2);
  padding: 0.9em 2em;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: 0.05em;
  border: 1.5px solid transparent;
  transition: transform 0.25s var(--ease-out), background-color 0.25s, color 0.25s, border-color 0.25s;
  cursor: pointer;
}
.btn--accent {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 12px 26px -12px rgba(207, 74, 26, 0.75);
}
.btn--accent:hover { background: var(--color-accent-hover); transform: translateY(-2px); }
.btn--ghost {
  background: transparent;
  color: var(--color-heading);
  border-color: var(--color-border-strong);
}
.btn--ghost:hover { border-color: var(--color-accent); color: var(--color-accent); transform: translateY(-2px); }
.btn--light {
  background: #fff;
  color: var(--color-heading);
  border-color: var(--color-border);
  box-shadow: 0 10px 24px -14px rgba(36, 24, 18, 0.4);
}
.btn--light:hover { color: var(--color-accent); border-color: var(--color-accent); transform: translateY(-2px); }

/* ===== ヒーロー ===== */
.hero {
  position: relative;
  min-height: min(96vh, 860px);
  min-height: min(96svh, 860px);
  display: grid;
  align-content: center;
  overflow: hidden;
  background: linear-gradient(180deg, #fffdfb 0%, #fdf6ef 100%);
  padding-block:
    calc(var(--header-height) + clamp(2.5rem, 6vw, 5rem))
    clamp(2rem, 4vw, 3.5rem);
}
.hero__field-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}
.hero__veil {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(100deg, #fff 0%, rgba(255,255,255,0.9) 36%, rgba(255,255,255,0.5) 58%, rgba(255,255,255,0.12) 100%),
    linear-gradient(180deg, rgba(255,255,255,0.2), rgba(255,247,238,0.3));
}
.hero > .container {
  position: relative;
  z-index: 2;
  width: 100%;
}
.hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5.25rem);
}
.hero__copy {
  position: relative;
  z-index: 5;
  min-width: 0;
}
.hero__kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: clamp(1rem, 2vw, 1.5rem);
}
.hero__headline {
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: clamp(3rem, 4.8vw, 4.45rem);
  line-height: 1.28;
  letter-spacing: 0.025em;
  color: var(--color-heading);
  white-space: nowrap;
}
.hero__sub {
  margin-top: clamp(1.25rem, 2.5vw, 2rem);
  max-width: 35rem;
  font-size: clamp(0.96rem, 1.45vw, 1.08rem);
  line-height: 1.95;
  color: var(--color-text-secondary);
  word-break: keep-all;
  overflow-wrap: anywhere;
}
.hero__actions {
  margin-top: clamp(1.75rem, 3.5vw, 2.5rem);
  display: flex; gap: var(--space-4); flex-wrap: wrap;
}

/* 作品: 大・中・小の固定スロット間を移動する。 */
.hero-showcase {
  position: relative;
  justify-self: end;
  width: 100%;
  max-width: 650px;
  height: clamp(25rem, 42vw, 34rem);
  isolation: isolate;
}
.hero-project {
  position: absolute;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(118, 91, 68, 0.2);
  border-radius: 5px;
  box-shadow: 0 22px 55px -34px rgba(45, 27, 16, 0.7);
  transition:
    left 1.44s var(--ease-out),
    top 1.44s var(--ease-out),
    width 1.44s var(--ease-out),
    box-shadow 0.35s var(--ease-out),
    opacity 0.35s var(--ease-out);
}
.hero-project[data-slot="main"] {
  z-index: 3;
  top: 1%;
  left: 33%;
  width: 73%;
  box-shadow: 0 28px 62px -34px rgba(45, 27, 16, 0.76);
}
.hero-project[data-slot="medium"] {
  z-index: 2;
  top: 51%;
  left: 44%;
  width: 54%;
}
.hero-project[data-slot="small"] {
  z-index: 1;
  top: 39%;
  left: 1%;
  width: 41%;
  opacity: 0.96;
}
.hero-project__link {
  display: block;
  color: var(--color-heading);
  background: #fff;
  text-decoration: none;
}
.hero-project__link:hover {
  color: var(--color-heading);
  text-decoration: none;
}
.hero-project__visual {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.hero-project__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.55s var(--ease-out);
}
.hero-project.is-main .hero-project__link:hover .hero-project__visual img {
  transform: scale(1.018);
}
.hero-project__caption {
  min-height: 3.3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0.62rem 0.78rem 0.68rem;
  background: rgba(255, 255, 255, 0.96);
}
.hero-project__caption > span:first-child {
  min-width: 0;
  display: grid;
  gap: 0.1rem;
}
.hero-project__type {
  overflow: hidden;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.57rem;
  line-height: 1.2;
  letter-spacing: 0.09em;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.hero-project__title {
  overflow: hidden;
  color: var(--color-heading);
  font-size: clamp(0.7rem, 1vw, 0.84rem);
  font-weight: 600;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.hero-project__arrow {
  flex: none;
  color: var(--color-accent);
  font-size: 1rem;
}
.hero-project__promote {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  border: 0;
  border-radius: inherit;
  background: transparent;
  cursor: pointer;
}
.hero-project__promote:hover {
  background: rgba(194, 77, 28, 0.035);
}
.hero-project:hover {
  border-color: rgba(194, 77, 28, 0.38);
  box-shadow: 0 26px 62px -34px rgba(45, 27, 16, 0.78);
}
.hero-showcase.is-enhanced .hero-project:not(.is-main) .hero-project__arrow {
  visibility: hidden;
}

/* Scroll（左＋縦線）と Projects（右）を動く作品に対する固定点にする。 */
.hero__meta {
  margin-top: clamp(1.5rem, 3.5vh, 2.75rem);
  display: flex; justify-content: space-between; align-items: flex-start;
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-muted);
}
.hero__scroll { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-3); }
.hero__scroll::after { content: ""; width: 1px; height: 34px; background: var(--color-border-strong); }
.hero__count { padding-top: 0.15em; }

/* ===== 二刀流 ===== */
.duo {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: clamp(var(--space-4), 3vw, var(--space-8));
}
.duo--paired { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.duo__card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  box-shadow: 0 24px 55px -38px rgba(36, 24, 18, 0.55);
}
.duo__role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}
.duo__headline {
  font-family: var(--font-brand);
  font-weight: 600;
  font-size: clamp(1.4rem, 3vw, 1.95rem);
  line-height: 1.3;
  color: var(--color-heading);
  margin-bottom: var(--space-4);
}
.duo__text {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}
.duo__tags {
  display: flex; flex-wrap: wrap; gap: var(--space-2);
  list-style: none; margin: 0; padding: 0;
}
.duo__tags li {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.4em 0.9em;
  background: var(--color-surface);
}
.duo__x {
  align-self: center;
  display: grid; place-items: center;
  color: var(--color-accent);
  font-family: var(--font-brand);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
}
.duo__x span { display: block; animation: duo-pulse 4.5s var(--ease-out) infinite; }
@keyframes duo-pulse {
  0%, 100% { transform: scale(1);    opacity: 0.5; }
  50%      { transform: scale(1.16); opacity: 1;   }
}
.duo__note {
  margin-top: clamp(2rem, 4vw, 3rem);
  text-align: center;
  font-family: var(--font-brand);
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  color: var(--color-heading);
  letter-spacing: 0.04em;
}

/* ===== 技術とスキル ===== */
.stack { display: grid; gap: clamp(2.5rem, 5vw, 3.5rem); }
.stack__label {
  font-family: var(--font-brand);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: var(--space-5);
}
.stack .toolset__intro { display: none; }

/* ===== 見え方と動き方 ===== */
.approach__intro {
  max-width: 60rem;
  margin: 0 auto;
  text-align: center;
}
.duo + .approach__intro { margin-top: clamp(3rem, 6vw, 5rem); }
.approach__headline {
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
  font-family: var(--font-brand);
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  font-weight: 600;
  line-height: 1.65;
  letter-spacing: 0.035em;
  color: var(--color-heading);
}
.approach__body {
  max-width: 44rem;
  margin-inline: auto;
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ===== 制作者 ===== */
.creator-profile {
  max-width: 54rem;
  margin-inline: auto;
  display: flow-root;
}

/* カテゴリ選択ボタン（これは"ボタン"でよい）。色は抑えて馴染ませる */
.tool-cats { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-6); }
.tool-cat-btn {
  font-size: var(--text-sm);
  font-weight: 500;
  padding: 0.35em 0.95em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background-color 0.2s var(--ease-out), color 0.2s, border-color 0.2s;
}
.tool-cat-btn[style*="--tool-color"] {
  border-color: color-mix(in srgb, var(--tool-color) 30%, var(--color-border));
  color: color-mix(in srgb, var(--tool-color) 80%, var(--color-text));
}
.tool-cat-btn.is-active {
  background: color-mix(in srgb, var(--tool-color, var(--color-ink)) 12%, #fff);
  border-color: color-mix(in srgb, var(--tool-color, var(--color-ink)) 55%, #fff);
  color: color-mix(in srgb, var(--tool-color, var(--color-ink)) 92%, #000);
}

/* tool-cloud は囲まない＝色付きテキストの語群。スコアで文字サイズを変える */
.tool-cloud { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.8em 1.15em; }
.tool-chip {
  font-size: var(--text-base);
  line-height: 1.1;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--tool-color, var(--color-text));
  background: none; border: 0; padding: 0; border-radius: 0;
  transition: opacity 0.2s, filter 0.2s;
}
.tool-chip--s1 { font-size: 0.9rem;  opacity: 0.85; }
.tool-chip--s2 { font-size: 1rem; }
.tool-chip--s3 { font-size: 1.18rem; }
.tool-chip--s4 { font-size: 1.4rem;  font-weight: 700; }
.tool-chip--s5 { font-size: 1.65rem; font-weight: 700; }
/* カテゴリを選ぶと、その分類の語だけを残し、他は退かせる（非表示にはしない） */
.tool-cloud.is-filtered .tool-chip { opacity: 0.2; filter: saturate(0.35); }
.tool-cloud.is-filtered .tool-chip.is-match { opacity: 1; filter: none; }

/* ===== 限定公開の扉（フッター直前・白） ===== */
.door__inner {
  margin-inline: auto; text-align: center;
  padding-block: clamp(1rem, 3vw, 2rem);
}
.door__text {
  margin: var(--space-6) auto var(--space-8);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}
/* PC表示のときだけ「。」の位置で改行する（モバイルは自然改行に任せる） */
.br-pc { display: none; }
@media (min-width: 768px) { .br-pc { display: inline; } }

/* ===== ギャラリー（ベージュ背景向け微調整） ===== */
#works .gallery { margin-top: var(--space-6); gap: 50px; }  /* .gallery は元々 flex column。gap だけ上書き */
#works .gallery__row-title { color: var(--color-heading); margin-bottom: var(--space-8); }

/* ===== レスポンシブ ===== */
@media (max-width: 1040px) {
  .hero__layout {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: clamp(1.5rem, 3vw, 2.75rem);
  }
  .hero__headline {
    font-size: clamp(2.75rem, 5.8vw, 4.35rem);
  }
  .hero-showcase {
    height: clamp(24rem, 46vw, 30rem);
  }
}

@media (max-width: 860px) {
  .duo { grid-template-columns: 1fr; }
  .duo__x { transform: rotate(90deg); padding-block: var(--space-1); }
  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + 3.5rem);
  }
  .hero__layout {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }
  .hero__copy {
    max-width: 42rem;
  }
  .hero__headline {
    font-size: clamp(3rem, 10vw, 4.8rem);
  }
  .hero-showcase {
    justify-self: center;
    max-width: 650px;
    height: clamp(27rem, 75vw, 32rem);
  }
}

@media (max-width: 620px) {
  .hero {
    padding-top: calc(var(--header-height) + 2.75rem);
    padding-bottom: 2rem;
  }
  .hero__layout {
    gap: 2rem;
  }
  .hero__headline {
    font-size: clamp(2.55rem, 13vw, 3.75rem);
    white-space: normal;
  }
  .hero__sub {
    word-break: normal;
  }
  .hero-showcase {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    width: 100%;
    height: auto;
  }
  .hero-project,
  .hero-project[data-slot="main"],
  .hero-project[data-slot="medium"],
  .hero-project[data-slot="small"] {
    position: relative;
    inset: auto;
    width: auto;
  }
  .hero-project[data-slot="main"] {
    grid-column: 1 / -1;
    order: 0;
    opacity: 1;
  }
  .hero-project[data-slot="medium"] {
    order: 1;
  }
  .hero-project[data-slot="small"] {
    order: 2;
  }
  .hero-project[data-slot="medium"] .hero-project__visual,
  .hero-project[data-slot="small"] .hero-project__visual {
    aspect-ratio: 16 / 9;
  }
  .hero-project[data-slot="medium"] .hero-project__type,
  .hero-project[data-slot="small"] .hero-project__type {
    display: none;
  }
  .hero-project__caption {
    min-height: 2.85rem;
    padding: 0.52rem 0.65rem 0.58rem;
  }
  .hero-project__title {
    font-size: 0.72rem;
  }
  .hero__meta {
    margin-top: 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .duo__x span { animation: none; }
  .btn:hover { transform: none; }
  .hero-project,
  .hero-project__visual img {
    transition: none;
  }
}