/* OUR WORKS — 螺旋 3D（Three.js WebGL） */

:root {
  --works-spiral-content: 1200px;
  --works-spiral-perspective: 1400px;
  --works-spiral-card-w: 300px;
  --works-spiral-card-h: 420px;
  --works-spiral-bg: #fdfaf5;
  --works-spiral-text: var(--ink, #202020);
  --works-spiral-text-muted: var(--soft, #5e5b57);
  --works-spiral-font-heading: "Noto Serif JP", "Yu Mincho", serif;
  --works-spiral-font-body: "Noto Sans JP", "Hiragino Sans", sans-serif;
  --ws-intro: 1;
}

.works-spiral {
  position: relative;
  min-height: 100vh;
  padding: 0;
  background: var(--works-spiral-bg);
  color: var(--works-spiral-text);
  overflow-x: clip;
  isolation: isolate;
}

.works-spiral__background,
.works-spiral__grid,
.works-spiral__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.works-spiral__background {
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 45%, rgba(255, 241, 223, 0.85), transparent 70%),
    radial-gradient(circle at 15% 80%, rgba(242, 138, 22, 0.08), transparent 45%),
    radial-gradient(circle at 85% 20%, rgba(128, 206, 244, 0.08), transparent 50%),
    linear-gradient(165deg, #fffdf9 0%, #fdfaf5 45%, #fbf4e9 100%);
}

.works-spiral__grid {
  z-index: 1;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(77, 54, 25, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77, 54, 25, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 45%, #000 20%, transparent 75%);
}

.works-spiral__glow--orange {
  z-index: 2;
  width: 420px;
  height: 420px;
  left: 8%;
  top: 18%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 138, 22, 0.14), transparent 68%);
  filter: blur(40px);
}

.works-spiral__glow--blue {
  z-index: 2;
  width: 380px;
  height: 380px;
  right: 5%;
  bottom: 22%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(128, 206, 244, 0.16), transparent 70%);
  filter: blur(48px);
}

.works-spiral__inner {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: none;
  margin: 0;
  min-height: 100vh;
}

.works-spiral__heading {
  position: absolute;
  top: clamp(28px, 4vw, 56px);
  left: clamp(24px, 4vw, 56px);
  z-index: 30;
  pointer-events: none;
  opacity: 1;
  transform: none;
}

.works-spiral__label {
  margin: 0 0 12px;
  font-family: var(--works-spiral-font-body);
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(242, 138, 22, 0.95);
}

.works-spiral__title {
  margin: 0;
  font-family: var(--works-spiral-font-heading);
  font-size: clamp(1.75rem, 1.2rem + 2vw, 3rem);
  font-weight: 600;
  line-height: 1.1;
}

.works-spiral__chrome {
  position: absolute;
  inset: 0;
  z-index: 25;
  pointer-events: none;
}

/* 左下配置（右下はPCの電話・LINE追従ボタンと重なるため） */
.works-spiral__progress {
  position: absolute;
  left: clamp(24px, 4vw, 56px);
  bottom: clamp(28px, 4vw, 56px);
  text-align: left;
}

.works-spiral__progress-value {
  display: block;
  font-family: var(--works-spiral-font-body);
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 200;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.works-spiral__progress-bar {
  display: block;
  width: 120px;
  height: 1px;
  margin-top: 12px;
  margin-right: auto;
  background: var(--line, #eadfd2);
  overflow: hidden;
}

.works-spiral__progress-fill {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--orange, #f28a16);
  transform: scaleX(0);
  transform-origin: left center;
}

.works-spiral__scroll-hint {
  position: absolute;
  left: 50%;
  bottom: clamp(24px, 3vw, 40px);
  transform: translateX(-50%);
  margin: 0;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--pale, #8b8580);
}

.works-spiral__scroll-hint::before {
  content: "（ ";
}

.works-spiral__scroll-hint::after {
  content: " ）";
}

.works-spiral__tuning {
  position: absolute;
  top: clamp(28px, 4vw, 56px);
  right: clamp(20px, 3vw, 48px);
  z-index: 40;
  width: min(240px, 42vw);
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--line, #eadfd2);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  pointer-events: auto;
}

.works-spiral__tuning-title {
  margin: 0 0 12px;
  font-family: var(--works-spiral-font-body);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(242, 138, 22, 0.95);
}

.works-spiral__tuning-row {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 6px 10px;
  align-items: center;
  margin-bottom: 12px;
}

.works-spiral__tuning-row:last-child {
  margin-bottom: 0;
}

.works-spiral__tuning-label {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  font-family: var(--works-spiral-font-body);
  font-size: 0.75rem;
  color: var(--works-spiral-text);
}

.works-spiral__tuning-en {
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  color: var(--works-spiral-text-muted);
}

.works-spiral__tuning-range {
  grid-column: 1;
  width: 100%;
  height: 4px;
  margin: 0;
  accent-color: rgba(242, 138, 22, 0.95);
  cursor: pointer;
}

.works-spiral__tuning-value {
  grid-column: 2;
  min-width: 2.5rem;
  font-family: var(--works-spiral-font-body);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--works-spiral-text);
}

.works-spiral__stage {
  position: relative;
  z-index: 5;
  width: 100%;
  height: 100vh;
  min-height: 520px;
  overflow: visible;
}

.works-spiral__canvas {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: block;
  width: 100%;
  height: 100%;
  touch-action: pan-y;
}

.works-spiral.is-webgl-active .works-spiral__stage {
  perspective: none;
}

.works-spiral.is-webgl-active .works-spiral__camera {
  display: none;
}

.works-spiral:not(.is-webgl-active) .works-spiral__canvas {
  display: none;
}

.works-spiral__camera {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  transform-style: preserve-3d;
  will-change: transform;
}

.works-spiral__card {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--works-spiral-card-w);
  height: var(--works-spiral-card-h);
  margin-left: calc(var(--works-spiral-card-w) / -2);
  margin-top: calc(var(--works-spiral-card-h) / -2);
  transform-style: preserve-3d;
  backface-visibility: hidden;
  border-radius: 12px;
  border: 1px solid var(--line, #eadfd2);
  background: #fff;
  box-shadow: 0 24px 60px rgba(77, 54, 25, 0.14);
  overflow: hidden;
  will-change: transform, opacity;
}

.works-spiral__card[data-active="true"] {
  border-color: var(--orange, #f28a16);
  box-shadow: 0 32px 72px rgba(77, 54, 25, 0.2);
}

.works-spiral__card-link {
  display: block;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.works-spiral__card-image {
  display: block;
  width: 100%;
  height: 72%;
  object-fit: cover;
}

.works-spiral__card-body {
  padding: 14px 16px 18px;
}

.works-spiral__card-title-ja {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.works-spiral__card-category {
  margin: 4px 0 0;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--works-spiral-text-muted);
}

.works-spiral__source {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.works-spiral__card-text,
.works-spiral__source .works-spiral__card-title,
.works-spiral__source .works-spiral__card-number {
  display: none;
}

@media (max-width: 1100px) {
  :root {
    --works-spiral-perspective: 1100px;
    --works-spiral-card-w: 260px;
    --works-spiral-card-h: 360px;
  }

  .works-spiral__glow--orange {
    width: 280px;
    height: 280px;
  }

  .works-spiral__glow--blue {
    width: 240px;
    height: 240px;
  }

  .works-spiral__tuning {
    top: auto;
    bottom: clamp(96px, 14vw, 128px);
    width: min(220px, calc(100vw - 40px));
  }

  .works-spiral__heading {
    max-width: calc(100% - 260px);
  }

  .works-spiral__stage {
    min-height: 100vh;
    min-height: 100dvh;
  }
}

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

  .works-spiral__heading {
    top: 20px;
    left: 20px;
    max-width: calc(100% - 40px);
  }

  .works-spiral__title {
    font-size: clamp(1.35rem, 5vw, 1.75rem);
  }

  .works-spiral__stage {
    height: 100vh;
    height: 100dvh;
    min-height: 480px;
  }

  .works-spiral__progress-value {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
  }

  .works-spiral__progress-bar {
    width: 80px;
  }

  .works-spiral__scroll-hint {
    font-size: 0.625rem;
    bottom: 20px;
  }

  .works-spiral.is-mobile-list .works-spiral__stage {
    height: auto;
    min-height: 0;
  }

  .works-spiral.is-mobile-list .works-spiral__canvas {
    display: none !important;
  }

  .works-spiral.is-mobile-list .works-spiral__heading {
    position: relative;
    top: auto;
    left: auto;
    padding: 32px 20px 0;
    opacity: 1;
    transform: none;
  }

  .works-spiral.is-mobile-list .works-spiral__chrome {
    display: none;
  }

  .works-spiral.is-mobile-list .works-spiral__camera {
    position: static;
    left: auto;
    top: auto;
    display: flex !important;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    padding: 24px 20px 56px;
    transform-style: flat;
  }

  .works-spiral.is-mobile-list .works-spiral__card {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    margin: 0;
    transform: none !important;
    opacity: 1 !important;
    filter: none !important;
  }

  .works-spiral.is-mobile-list .works-spiral__card-image {
    height: auto;
    aspect-ratio: 1200 / 750;
  }
}

/* 実績アーカイブ: 固定ヘッダー（76px / SP70px）と重ならないよう見出しを下げる */
.post-type-archive-ph_work .works-spiral__heading {
  top: calc(clamp(28px, 4vw, 56px) + 76px);
}
@media (max-width: 720px) {
  .post-type-archive-ph_work .works-spiral__heading {
    top: calc(28px + 70px);
  }

  /* SPは画面下部の電話・LINE固定バー（72px）と重ならないよう持ち上げる */
  .works-spiral__progress {
    bottom: calc(24px + 72px);
  }

  .works-spiral__scroll-hint {
    bottom: calc(16px + 72px);
  }
}