/* ============================================================
   MagicWorks — 明日、手が動く。
   墨黒 × ティール × 大型タイポグラフィ / 常時駆動の背景 + スクロール演出
   依存ライブラリなし。トークン → 基礎 → 背景 → 部品 → セクション → 応答。
   ============================================================ */

:root {
  /* 色 */
  --ink-0: #080807;
  --ink-1: #12100d;
  --ink-2: #1a1713;
  --paper: #f2ede1;
  --paper-2: #eae3d3;
  --fg: #f7f2e7;
  --fg-dim: rgba(247, 242, 231, 0.64);
  --fg-faint: rgba(247, 242, 231, 0.38);
  --dark: #211d17;
  --dark-dim: rgba(33, 29, 23, 0.66);
  --teal: #45c4ab;
  --teal-deep: #1f7263;
  --line: rgba(247, 242, 231, 0.14);
  --line-strong: rgba(247, 242, 231, 0.26);
  --line-dark: rgba(33, 29, 23, 0.16);

  /* 書体 */
  --font-display: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", sans-serif;
  --font-body: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
  --font-en: "Archivo Black", "Arial Black", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;

  /* 寸法 */
  --max: 1240px;
  --gut: 44px;
  --ease-out: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-inout: cubic-bezier(0.77, 0, 0.18, 1);
}

/* ---------- 基礎 ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink-1);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.9;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

a {
  color: inherit;
  text-decoration: none;
}

p {
  margin: 0;
  text-wrap: pretty;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

::selection {
  background: var(--teal);
  color: var(--ink-0);
}

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--ink-0);
}

::-webkit-scrollbar-thumb {
  background: rgba(247, 242, 231, 0.16);
  border: 2px solid var(--ink-0);
}

.container {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - var(--gut) * 2));
  margin: 0 auto;
}

main section[id],
main .work-card[id] {
  scroll-margin-top: 84px;
}

.pc-only {
  display: inline;
}

/* ---------- 常時動く背景 ---------- */

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: var(--ink-1);
  transform: translateZ(0);
}

.bg-grid {
  position: absolute;
  inset: -32%;
  background-image:
    linear-gradient(rgba(247, 242, 231, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247, 242, 231, 0.021) 1px, transparent 1px);
  background-size: 110px 110px;
  animation: grid-pan 64s linear infinite;
  will-change: transform;
}

@keyframes grid-pan {
  to {
    transform: translate3d(110px, 110px, 0);
  }
}

.bg-aur {
  position: absolute;
  border-radius: 50%;
  mix-blend-mode: screen;
  will-change: transform;
  pointer-events: none;
}

.bg-aur-a {
  right: -18vmax;
  top: -14vmax;
  width: 58vmax;
  height: 58vmax;
  background: radial-gradient(circle at 40% 42%, rgba(69, 196, 171, 0.2), transparent 62%);
  animation: aur-a 32s ease-in-out infinite alternate;
}

.bg-aur-b {
  left: -16vmax;
  top: 30vh;
  width: 48vmax;
  height: 48vmax;
  background: radial-gradient(circle at 55% 45%, rgba(242, 237, 225, 0.09), transparent 60%);
  animation: aur-b 42s ease-in-out infinite alternate;
}

.bg-aur-c {
  left: 32vw;
  bottom: -22vmax;
  width: 52vmax;
  height: 52vmax;
  background: radial-gradient(circle at 50% 40%, rgba(47, 141, 127, 0.16), transparent 60%);
  animation: aur-c 38s ease-in-out infinite alternate;
}

@keyframes aur-a {
  to {
    transform: translate3d(-9vmax, 12vmax, 0) scale(1.18);
  }
}

@keyframes aur-b {
  to {
    transform: translate3d(10vmax, -9vmax, 0) scale(0.86);
  }
}

@keyframes aur-c {
  to {
    transform: translate3d(-8vmax, -10vmax, 0) scale(1.14);
  }
}

/* フィルムグレイン */
.bg-grain {
  position: fixed;
  inset: -60%;
  z-index: 90;
  pointer-events: none;
  mix-blend-mode: overlay;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-jump 0.9s steps(1, end) infinite;
}

@keyframes grain-jump {
  0% {
    transform: translate3d(0, 0, 0);
  }
  12.5% {
    transform: translate3d(-3%, 2%, 0);
  }
  25% {
    transform: translate3d(2%, -3%, 0);
  }
  37.5% {
    transform: translate3d(-2%, -2%, 0);
  }
  50% {
    transform: translate3d(3%, 1%, 0);
  }
  62.5% {
    transform: translate3d(-1%, 3%, 0);
  }
  75% {
    transform: translate3d(2%, 2%, 0);
  }
  87.5% {
    transform: translate3d(-3%, -1%, 0);
  }
  100% {
    transform: translate3d(0, 0, 0);
  }
}

/* 走る光線 */
.beam {
  position: absolute;
  left: -20vmax;
  width: 150vmax;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(69, 196, 171, 0.55), transparent);
  opacity: 0;
  pointer-events: none;
  animation: beam-sweep 11s var(--ease-inout) infinite;
}

.beam-a {
  top: 24%;
  transform: rotate(-15deg);
  animation-duration: 8s;
}

.beam-b {
  top: 66%;
  transform: rotate(11deg);
  animation-duration: 12s;
  animation-delay: 4s;
}

.beam-e {
  top: 48%;
  transform: rotate(-21deg);
  animation-duration: 10s;
  animation-delay: 2s;
}

.beam-c {
  top: 38%;
  transform: rotate(-9deg);
  animation-duration: 13s;
  animation-delay: 2.4s;
}

.beam-d {
  top: 30%;
  transform: rotate(-13deg);
  animation-duration: 12s;
  animation-delay: 1.2s;
}

@keyframes beam-sweep {
  0% {
    opacity: 0;
    translate: -18vw 0;
  }
  10% {
    opacity: 0.85;
  }
  42% {
    opacity: 0.1;
  }
  60%,
  100% {
    opacity: 0;
    translate: 20vw 0;
  }
}

/* ---------- ページ進行バー ---------- */

.progress {
  position: fixed;
  z-index: 110;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--teal-deep), var(--teal));
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
}

/* ---------- ヘッダー ---------- */

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  min-height: calc(72px + env(safe-area-inset-top));
  padding: calc(16px + env(safe-area-inset-top)) var(--gut) 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition:
    transform 0.5s var(--ease-out),
    background-color 0.35s ease,
    border-color 0.35s ease;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(18, 16, 13, 0.78);
  border-bottom-color: var(--line);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  backdrop-filter: blur(14px) saturate(1.15);
}

.site-header.is-hidden {
  transform: translateY(-110%);
}

.brand img {
  width: 172px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.site-nav a {
  position: relative;
  transition: color 0.25s ease;
}

.site-nav a:not(.nav-contact)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease-out);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--fg);
}

.site-nav a:not(.nav-contact):hover::after,
.site-nav a:not(.nav-contact):focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* モバイル用ナビ（720px以下でハンバーガー表示） */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--fg);
  -webkit-tap-highlight-color: transparent;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: currentColor;
  transition:
    transform 0.35s var(--ease-out),
    opacity 0.25s ease;
}

body.mobile-nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

body.mobile-nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

body.mobile-nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 8, 7, 0.97);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.4s var(--ease-out),
    visibility 0.4s;
}

body.mobile-nav-open .mobile-nav {
  opacity: 1;
  visibility: visible;
}

body.mobile-nav-open {
  overflow: hidden;
}

.mobile-nav nav {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 460px;
  padding-inline: var(--gut);
}

.mobile-nav a {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 5.5vw, 1.4rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  transition: color 0.25s ease;
}

.mobile-nav a:hover,
.mobile-nav a:focus-visible {
  color: var(--teal);
}

@media (min-width: 721px) {
  .mobile-nav {
    display: none;
  }
}

.nav-contact {
  padding: 10px 20px;
  border: 1px solid var(--teal);
  color: var(--teal);
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

.nav-contact:hover,
.nav-contact:focus-visible {
  background: var(--teal);
  color: var(--ink-0);
}

/* ---------- 共通部品 ---------- */

.label {
  margin-bottom: 26px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
}

/* 英語ラベル頭の短い横線は、セクション見出しの縦罫と役割がかぶるので出さない */

.label-s {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
}

.sec-head {
  max-width: 900px;
  margin-bottom: clamp(48px, 7vw, 88px);
  /* 巨大アウトライン数字の代わりに、見出しの左へ一本通して構造を出す */
  border-left: 2px solid var(--teal);
  padding-left: clamp(16px, 1.7vw, 24px);
}

.sec-head h2 {
  font-size: clamp(2rem, 4.7vw, 4.3rem);
}

.photoband-copy h2,
.founder-copy h2 {
  font-size: clamp(1.7rem, 2.7vw, 2.7rem);
}

.sec-lead {
  max-width: 680px;
  margin-top: 28px;
  color: var(--fg-dim);
  font-size: 1.02rem;
}

.body {
  margin-top: 24px;
  color: var(--fg-dim);
  font-size: 1.02rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.tag-row li {
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  color: var(--fg-dim);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.04em;
}

/* 巨大セクション番号（背景装飾）は非表示。
   巨大アウトライン数字＋背景英字＋グリッド＋モノスペースラベルの4点が揃うと
   テンプレート然として見えるため、数字と背景英字を落として2点に絞っている。
   マークアップは残してあるので、戻したいときはこの display を外す。 */
.sec-num {
  display: none;
  position: absolute;
  z-index: 0;
  right: 3vw;
  top: 44px;
  margin: 0;
  font-family: var(--font-en);
  font-size: clamp(5.5rem, 11vw, 11rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(247, 242, 231, 0.1);
  pointer-events: none;
  user-select: none;
}

.sec-num-dark {
  -webkit-text-stroke-color: rgba(33, 29, 23, 0.13);
}

/* ボタン */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 58px;
  padding: 0 32px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition:
    background-color 0.3s ease,
    border-color 0.3s ease,
    color 0.3s ease,
    box-shadow 0.3s ease;
  will-change: transform;
}

.btn-fill {
  background: var(--teal);
  color: #0b1512;
  box-shadow: 0 18px 52px rgba(69, 196, 171, 0.2);
}

.btn-fill:hover,
.btn-fill:focus-visible {
  background: #5ad3ba;
  box-shadow: 0 22px 64px rgba(69, 196, 171, 0.3);
}

.btn-line {
  border-color: var(--line-strong);
  color: var(--fg);
}

.btn-line:hover,
.btn-line:focus-visible {
  border-color: var(--teal);
  color: var(--teal);
  background: rgba(69, 196, 171, 0.06);
}

.btn-xl {
  min-height: 76px;
  padding: 0 46px;
  font-size: 1.14rem;
}

.btn-arrow {
  display: inline-block;
  transition: transform 0.3s var(--ease-out);
}

.btn:hover .btn-arrow {
  transform: translateX(6px);
}

/* ---------- 出現アニメーション ---------- */

/* ロード直後（ヒーロー用） */
[data-intro] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.9s var(--ease-out),
    transform 0.9s var(--ease-out);
  transition-delay: var(--d, 0s);
}

body.is-loaded [data-intro] {
  opacity: 1;
  transform: none;
}

/* 文字ばらし（JSが .ch を生成） */
[data-chars] .ch {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
}

[data-chars] .ch > span {
  display: inline-block;
  transform: translateY(112%);
  transition: transform 1s var(--ease-out);
  transition-delay: calc(var(--ci) * 0.05s + 0.2s);
}

body.is-loaded [data-chars] .ch > span {
  transform: none;
}

/* スクロール出現（汎用） */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.9s var(--ease-out),
    transform 0.9s var(--ease-out);
  transition-delay: var(--d, 0s);
}

[data-reveal].in {
  opacity: 1;
  transform: none;
}

/* 行マスク出現（見出し） */
[data-reveal-mask] .line {
  display: block;
  clip-path: inset(0 0 102% 0);
  transform: translateY(0.35em);
  transition:
    clip-path 0.9s var(--ease-inout),
    transform 0.9s var(--ease-inout);
}

[data-reveal-mask] .line:nth-child(2) {
  transition-delay: 0.12s;
}

[data-reveal-mask] .line:nth-child(3) {
  transition-delay: 0.24s;
}

[data-reveal-mask].in .line {
  clip-path: inset(0 0 -12% 0);
  transform: none;
}

/* 横ワイプ出現（写真・カード）
   注意: clip-pathは観測対象自身に掛けない（Chromiumが交差判定に
   clip-pathを含むため、全クリップ→永久に発火しない）。子に掛ける。 */
[data-reveal-wipe] > * {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1.15s var(--ease-inout);
}

[data-reveal-wipe] > *:nth-child(2) {
  transition-delay: 0.14s;
}

[data-reveal-wipe].in > * {
  clip-path: inset(0 0 0 0);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100dvh;
  padding: calc(120px + env(safe-area-inset-top)) var(--gut) 44px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

/* 背景動画（assets/hero-loop.mp4 設置後にHTML側のコメントを外す） */
.hero-video {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  filter: saturate(0.9) contrast(1.05) brightness(0.7);
  pointer-events: none;
}

.hero-video ~ .hero-sweep {
  opacity: 0.5;
}

/* 回転する光のスイープ */
.hero-sweep {
  position: absolute;
  z-index: 0;
  left: 50%;
  top: 50%;
  width: 165vmax;
  height: 165vmax;
  margin: -82.5vmax 0 0 -82.5vmax;
  background: conic-gradient(
    from 0deg at 50% 50%,
    transparent 0deg,
    rgba(69, 196, 171, 0.07) 22deg,
    rgba(69, 196, 171, 0.02) 46deg,
    transparent 72deg
  );
  mix-blend-mode: screen;
  animation: sweep-rot 26s linear infinite;
  pointer-events: none;
}

@keyframes sweep-rot {
  to {
    transform: rotate(360deg);
  }
}

/* 上昇する光の粒 */
.hero-sparks {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-sparks span {
  position: absolute;
  bottom: -4vh;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 12px rgba(69, 196, 171, 0.8);
  opacity: 0;
  animation: spark-rise 14s linear infinite;
}

.hero-sparks span:nth-child(1) {
  left: 12%;
  animation-duration: 15s;
  animation-delay: 0s;
}
.hero-sparks span:nth-child(2) {
  left: 30%;
  width: 3px;
  height: 3px;
  animation-duration: 19s;
  animation-delay: 4s;
}
.hero-sparks span:nth-child(3) {
  left: 48%;
  animation-duration: 13s;
  animation-delay: 8s;
}
.hero-sparks span:nth-child(4) {
  left: 64%;
  width: 5px;
  height: 5px;
  animation-duration: 21s;
  animation-delay: 2s;
}
.hero-sparks span:nth-child(5) {
  left: 78%;
  animation-duration: 16s;
  animation-delay: 10s;
}
.hero-sparks span:nth-child(6) {
  left: 90%;
  width: 3px;
  height: 3px;
  animation-duration: 18s;
  animation-delay: 6s;
}

@keyframes spark-rise {
  0% {
    transform: translate3d(0, 0, 0);
    opacity: 0;
  }
  12% {
    opacity: 0.75;
  }
  70% {
    opacity: 0.35;
  }
  100% {
    transform: translate3d(2vw, -108vh, 0);
    opacity: 0;
  }
}

/* カーソル追従の光（JSがtransformを供給） */
.hero-glow {
  position: absolute;
  z-index: 0;
  left: 0;
  top: 0;
  width: 44vw;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(69, 196, 171, 0.11), transparent 62%);
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity 0.7s ease;
  pointer-events: none;
  will-change: transform;
}

.hero-glow.on {
  opacity: 1;
}

.hero-ghost {
  position: absolute;
  z-index: 0;
  right: -2vw;
  top: 12vh;
  margin: 0;
  font-family: var(--font-en);
  font-size: clamp(6rem, 17vw, 19rem);
  line-height: 0.84;
  text-align: right;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 1px rgba(247, 242, 231, 0.085);
  pointer-events: none;
  user-select: none;
}

.hero-meta {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(3rem, 9.4vw, 8.2rem);
  line-height: 1.06;
  letter-spacing: -0.04em;
}

.hero-title .line {
  display: block;
}

.hero-title .line:nth-child(2) {
  margin-left: 0.46em;
}

.hero-title .line:nth-child(3) {
  margin-left: 0.84em;
}

.lead {
  max-width: 44em;
  margin-top: 36px;
  color: var(--fg-dim);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 2.1;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 44px;
}

.hero-foot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  width: min(var(--max), 100%);
  margin: 48px auto 0;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 4vw, 56px);
}

.hero-proof li {
  display: grid;
  gap: 4px;
}

.hero-proof strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.hero-proof li > span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.scroll-cue {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.scroll-cue i {
  position: relative;
  width: 1px;
  height: 52px;
  background: var(--line-strong);
  overflow: hidden;
}

.scroll-cue i::after {
  content: "";
  position: absolute;
  left: 0;
  top: -40%;
  width: 100%;
  height: 40%;
  background: var(--teal);
  animation: cue-drop 2s var(--ease-inout) infinite;
}

@keyframes cue-drop {
  0% {
    top: -40%;
  }
  60%,
  100% {
    top: 110%;
  }
}

/* スクロールでヒーローが送り出される */
.hero .hero-inner {
  transform: translateY(calc(var(--p, 0) * -52px));
}

.hero .hero-ghost {
  opacity: calc(1 - var(--p, 0) * 1.1);
}

/* ---------- 思想（軽量版・普通のフェードイン） ---------- */

.stance-lite {
  position: relative;
  padding: clamp(110px, 14vw, 170px) 0;
}

.stance-lite-lines {
  display: grid;
  gap: clamp(12px, 1.8vw, 22px);
  max-width: 900px;
}

.sl-line {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.2vw, 2.6rem);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.sl-line em {
  font-style: normal;
  color: var(--teal);
}

.sl-line-climax {
  margin-top: 0.2em;
  font-size: clamp(1.9rem, 4.6vw, 3.8rem);
}

/* ---------- マーキー ---------- */

.marquee {
  position: relative;
  z-index: 1;
  display: flex;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(8, 8, 7, 0.4);
}

.marquee-track {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 34px;
  min-width: 100%;
  padding: 20px 17px;
  animation: mq 30s linear infinite;
}

.marquee span {
  font-family: var(--font-en);
  font-size: clamp(1.5rem, 3.2vw, 2.6rem);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(247, 242, 231, 0.3);
  white-space: nowrap;
}

.marquee i {
  font-style: normal;
  color: var(--teal);
  font-size: 1.1rem;
}

@keyframes mq {
  to {
    transform: translate3d(-100%, 0, 0);
  }
}

/* ---------- 写真帯 ---------- */

.photoband {
  position: relative;
  padding: clamp(110px, 14vw, 170px) 0;
  overflow: hidden;
}

.photoband-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr);
  gap: clamp(44px, 6vw, 90px);
  align-items: center;
}

.photoband-figure {
  margin: 0;
}

.photo-frame {
  position: relative;
  aspect-ratio: 16 / 10.5;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.photo-frame img {
  position: absolute;
  left: 0;
  top: -10%;
  width: 100%;
  height: 120%;
  object-fit: cover;
  filter: saturate(0.94) contrast(1.03);
  will-change: transform;
}

.photoband-figure figcaption {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.photoband-figure figcaption span {
  color: var(--teal);
}

/* ---------- Services ---------- */

.services {
  position: relative;
  padding: clamp(120px, 15vw, 180px) 0;
}

.svc-list {
  border-bottom: 1px solid var(--line);
}

.svc-row {
  position: relative;
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(20px, 3vw, 48px);
  padding: clamp(30px, 4vw, 46px) clamp(16px, 2vw, 28px);
  border-top: 1px solid var(--line);
  overflow: hidden;
  transition: border-color 0.35s ease;
}

.svc-row::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(69, 196, 171, 0.1), rgba(69, 196, 171, 0.015) 70%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.55s var(--ease-inout);
}

.svc-row:hover::before,
.svc-row:focus-visible::before {
  transform: scaleX(1);
}

.svc-idx {
  position: relative;
  font-family: var(--font-en);
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  color: transparent;
  -webkit-text-stroke: 1px rgba(247, 242, 231, 0.4);
  transition: color 0.35s ease;
}

.svc-row:hover .svc-idx {
  color: var(--teal);
  -webkit-text-stroke-color: var(--teal);
}

.svc-main {
  position: relative;
  transition: transform 0.45s var(--ease-out);
}

.svc-row:hover .svc-main {
  transform: translateX(10px);
}

.svc-main h3 {
  font-size: clamp(1.5rem, 2.9vw, 2.5rem);
}

.svc-main > p {
  margin-top: 12px;
  color: var(--fg-dim);
  font-size: 0.98rem;
}

.svc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-top: 14px;
}

.svc-tags li {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.05em;
  color: var(--fg-faint);
}

.svc-tags li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 1px;
  background: var(--teal);
}

.svc-arrow {
  position: relative;
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  color: var(--fg-faint);
  transition:
    transform 0.45s var(--ease-out),
    color 0.35s ease;
}

.svc-row:hover .svc-arrow {
  transform: translateX(8px);
  color: var(--teal);
}

/* ---------- Program ---------- */

.program {
  position: relative;
  padding: clamp(120px, 15vw, 180px) 0;
  background: linear-gradient(180deg, transparent, rgba(8, 8, 7, 0.55) 30%, rgba(8, 8, 7, 0.55) 70%, transparent);
  overflow: hidden;
}

.tl {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
  padding-top: 44px;
}

.tl-bar {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: var(--line);
}

.tl-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--teal-deep), var(--teal));
  transform: scaleX(var(--p, 0));
  transform-origin: left;
}

.tl-item {
  position: relative;
  padding: 28px 26px 30px;
  border: 1px solid var(--line);
  background: rgba(18, 16, 13, 0.55);
  transition:
    border-color 0.35s ease,
    transform 0.45s var(--ease-out);
}

.tl-item:hover {
  border-color: rgba(69, 196, 171, 0.5);
  transform: translateY(-6px);
}

.tl-item::before {
  content: "";
  position: absolute;
  left: 26px;
  top: -44px;
  width: 11px;
  height: 11px;
  background: var(--teal);
  transform: translateY(-5px);
}

.tl-m {
  display: block;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
}

.tl-item h3 {
  font-size: 1.4rem;
}

.tl-item p {
  margin-top: 14px;
  color: var(--fg-dim);
  font-size: 0.94rem;
}

/* ---------- Solution Areas（明るい帯） ---------- */

.areas {
  position: relative;
  padding: clamp(110px, 14vw, 170px) 0;
  background: var(--paper);
  color: var(--dark);
}

.areas .label {
  color: var(--teal-deep);
}

.areas .sec-lead {
  color: var(--dark-dim);
}

.area-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.area-card {
  border: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.5);
  transition:
    transform 0.45s var(--ease-out),
    border-color 0.35s ease,
    box-shadow 0.45s ease;
}

.area-card:hover {
  transform: translateY(-8px);
  border-color: rgba(47, 141, 127, 0.55);
  box-shadow: 0 26px 60px rgba(33, 29, 23, 0.13);
}

.area-visual {
  border-bottom: 1px solid var(--line-dark);
  background:
    linear-gradient(rgba(33, 29, 23, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(33, 29, 23, 0.04) 1px, transparent 1px),
    rgba(255, 255, 255, 0.4);
  background-size: 28px 28px;
}

.area-visual svg {
  display: block;
  width: 100%;
  height: auto;
}

.area-visual path,
.area-visual rect,
.area-visual circle {
  stroke: rgba(33, 29, 23, 0.72);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.area-visual .tealline {
  stroke: var(--teal-deep);
}

.area-visual .corner {
  stroke: rgba(47, 141, 127, 0.8);
  stroke-width: 2;
}

/* 線が自分で描かれる */
.area-visual .draw {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}

.area-card.in .draw {
  animation: draw-in 1.1s var(--ease-inout) forwards;
}

.area-card.in .draw.d2 {
  animation-delay: 0.4s;
}

.area-card.in .draw.d3 {
  animation-delay: 0.75s;
}

@keyframes draw-in {
  to {
    stroke-dashoffset: 0;
  }
}

/* 波形バー：常時パルス */
.pulse-bars rect {
  fill: rgba(47, 141, 127, 0.78);
  stroke: none;
  opacity: 0;
  transform-origin: center 75px;
}

.area-card.in .pulse-bars rect {
  opacity: 1;
  animation: bar-pulse 1.7s ease-in-out infinite;
}

.area-card.in .pulse-bars rect:nth-child(1) {
  animation-delay: 0s;
}
.area-card.in .pulse-bars rect:nth-child(2) {
  animation-delay: 0.18s;
}
.area-card.in .pulse-bars rect:nth-child(3) {
  animation-delay: 0.36s;
}
.area-card.in .pulse-bars rect:nth-child(4) {
  animation-delay: 0.54s;
}
.area-card.in .pulse-bars rect:nth-child(5) {
  animation-delay: 0.72s;
}

@keyframes bar-pulse {
  0%,
  100% {
    transform: scaleY(0.55);
  }
  50% {
    transform: scaleY(1.12);
  }
}

/* 散布ドット：ポップイン */
.area-visual .dot {
  fill: rgba(47, 141, 127, 0.55);
  stroke: none;
  transform-origin: center;
  transform: scale(0);
}

.area-card.in .dot {
  animation: dot-pop 0.5s var(--ease-out) forwards;
}

.area-card.in .dot.p1 {
  animation-delay: 0.55s;
}
.area-card.in .dot.p2 {
  animation-delay: 0.7s;
}
.area-card.in .dot.p3 {
  animation-delay: 0.85s;
}

@keyframes dot-pop {
  to {
    transform: scale(1);
  }
}

.area-card h3 {
  padding: 24px 28px 0;
  font-size: 1.35rem;
}

.area-card > p {
  padding: 12px 28px 30px;
  color: var(--dark-dim);
  font-size: 0.93rem;
}

/* ---------- Works（明るい帯 2） ---------- */

.works {
  position: relative;
  padding: clamp(110px, 14vw, 170px) 0;
  background: var(--paper-2);
  color: var(--dark);
}

.works .label {
  color: var(--teal-deep);
}

.works .sec-lead {
  color: var(--dark-dim);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.work-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 350px;
  padding: 32px 30px 34px;
  border: 1px solid rgba(33, 29, 23, 0.15);
  background: rgba(255, 255, 255, 0.55);
  overflow: hidden;
  transition:
    transform 0.45s var(--ease-out),
    border-color 0.35s ease,
    box-shadow 0.45s ease;
}

.work-card:hover {
  transform: translateY(-8px);
  border-color: rgba(47, 141, 127, 0.6);
  box-shadow: 0 26px 60px rgba(33, 29, 23, 0.13);
}

.work-num {
  position: absolute;
  right: 14px;
  top: 2px;
  font-family: var(--font-en);
  font-size: 5rem;
  line-height: 1.1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(33, 29, 23, 0.14);
  transition: transform 0.45s var(--ease-out);
  pointer-events: none;
}

.work-card:hover .work-num {
  transform: translateY(-5px);
}

.work-cat {
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal-deep);
}

.work-card h3 {
  font-size: 1.32rem;
  line-height: 1.4;
}

.work-body {
  margin-top: 14px;
  color: var(--dark-dim);
  font-size: 0.92rem;
}

.work-card .tag-row {
  margin-top: auto;
  padding-top: 22px;
}

.work-card .tag-row li {
  border-color: rgba(33, 29, 23, 0.28);
  color: var(--dark-dim);
}

/* 反転カード（継続実施 = 一番強い実績） */
.work-card-strong {
  background: var(--ink-1);
  border-color: rgba(247, 242, 231, 0.18);
  color: var(--fg);
}

.work-card-strong .work-num {
  -webkit-text-stroke-color: rgba(247, 242, 231, 0.18);
}

.work-card-strong .work-cat {
  color: var(--teal);
}

.work-card-strong .work-body {
  color: var(--fg-dim);
}

.work-card-strong .tag-row li {
  border-color: var(--line-strong);
  color: var(--fg-dim);
}

.work-card-strong:hover {
  border-color: rgba(69, 196, 171, 0.6);
  box-shadow: 0 26px 60px rgba(8, 8, 7, 0.3);
}

/* And More カード */
.work-card-more {
  background: transparent;
  border-style: dashed;
  border-color: rgba(33, 29, 23, 0.3);
}

.work-more-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding-top: 22px;
  font-weight: 700;
  color: var(--teal-deep);
}

.work-more-link span {
  transition: transform 0.3s var(--ease-out);
}

.work-more-link:hover span {
  transform: translateX(6px);
}

/* ---------- Founder ---------- */

.founder {
  position: relative;
  padding: clamp(120px, 15vw, 180px) 0;
}

.founder-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.58fr) minmax(320px, 0.42fr);
  gap: clamp(44px, 7vw, 100px);
  align-items: center;
}

.founder-card {
  border: 1px solid var(--line);
  background: rgba(26, 23, 19, 0.6);
}

.founder-photo {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.founder-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  filter: saturate(0.92) contrast(1.04);
  transition: transform 1.2s var(--ease-out);
}

.founder-card:hover .founder-photo img {
  transform: scale(1.045);
}

.founder-plate {
  padding: clamp(26px, 3vw, 36px);
}

.founder-plate h3 {
  margin-top: 14px;
  font-size: clamp(1.8rem, 2.8vw, 2.4rem);
}

.founder-plate > p {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.founder-plate .tag-row {
  margin-top: 22px;
}

/* ---------- Contact ---------- */

.contact {
  position: relative;
  padding: clamp(160px, 20vw, 240px) 0 clamp(200px, 24vw, 300px);
  background: linear-gradient(180deg, transparent, rgba(8, 8, 7, 0.72) 46%);
  overflow: hidden;
}

.contact-title {
  font-size: clamp(2.2rem, 5.8vw, 5.6rem);
}

.contact-title em {
  font-style: normal;
  color: var(--teal);
}

.contact-action {
  margin-top: clamp(40px, 5vw, 64px);
}

.contact-ghost {
  display: none; /* 背景の巨大 MAGICWORKS。上の .sec-num と同じ理由で非表示 */
  position: absolute;
  z-index: 0;
  left: 0;
  right: 0;
  bottom: -1.5vw;
  margin: 0;
  text-align: center;
  font-family: var(--font-en);
  font-size: clamp(4.4rem, 15.2vw, 16.5rem);
  line-height: 0.8;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1px rgba(247, 242, 231, 0.075);
  pointer-events: none;
  user-select: none;
}

/* ---------- Footer ---------- */

.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  background: rgba(8, 8, 7, 0.85);
  padding: 34px var(--gut);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--fg-faint);
}

.footer-inner .brand img {
  width: 150px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.footer-links a {
  color: var(--fg-faint);
  transition: color 0.25s ease;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--teal);
}

/* ---------- 規約系ページ ---------- */

.legal {
  position: relative;
  z-index: 1;
  padding: calc(130px + env(safe-area-inset-top)) var(--gut) 100px;
}

.legal-inner {
  max-width: 740px;
  margin: 0 auto;
}

.legal h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5vw, 2.7rem);
  letter-spacing: -0.01em;
  margin: 14px 0 26px;
}

.legal-lead {
  color: var(--fg-dim);
  line-height: 2;
  margin-bottom: 44px;
}

.legal section {
  padding-block: 26px;
  border-top: 1px solid var(--line);
}

.legal h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  margin-bottom: 12px;
}

.legal p,
.legal li {
  color: var(--fg-dim);
  line-height: 2;
  font-size: 0.92rem;
}

.legal p + p {
  margin-top: 14px;
}

.legal ul {
  list-style: none;
}

.legal li::before {
  content: "—";
  color: var(--teal);
  margin-right: 0.7em;
}

.legal-link {
  color: var(--teal);
  border-bottom: 1px solid currentColor;
}

.legal-date {
  margin-top: 40px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--fg-faint);
}

/* ---------- 応答（レイアウト） ---------- */

@media (max-width: 1080px) {
  :root {
    --gut: 32px;
  }

  .svc-row {
    grid-template-columns: 64px minmax(0, 1fr) auto;
  }

  .photoband-layout {
    grid-template-columns: 1fr;
  }

  .photoband-copy {
    max-width: 640px;
  }

  .founder-layout {
    grid-template-columns: 1fr;
  }

  .founder-card {
    max-width: 480px;
  }

  .area-grid,
  .work-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tl {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-top: 0;
    padding-left: 34px;
  }

  .tl-bar {
    width: 2px;
    height: 100%;
  }

  .tl-bar::after {
    transform: scaleY(var(--p, 0));
    transform-origin: top;
  }

  .tl-item::before {
    left: -39px;
    top: 30px;
    transform: none;
  }
}

@media (max-width: 720px) {
  :root {
    --gut: 20px;
  }

  body {
    line-height: 1.85;
  }

  .pc-only {
    display: none;
  }

  .site-header {
    padding-left: 20px;
    padding-right: 20px;
  }

  .brand img {
    width: 138px;
  }

  .site-nav {
    gap: 10px;
  }

  .site-nav a:not(.nav-contact) {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding-bottom: 36px;
  }

  .hero-title {
    font-size: clamp(2.2rem, 13.5vw, 4.4rem);
  }

  .hero-title .line:nth-child(2) {
    margin-left: 0.22em;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-ghost {
    top: 8vh;
    font-size: 34vw;
  }

  .hero-foot {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }

  .scroll-cue {
    display: none;
  }

  .hero-glow {
    display: none;
  }

  .sec-num {
    top: 24px;
    font-size: 4.4rem;
  }

  .area-grid,
  .work-grid {
    grid-template-columns: 1fr;
  }

  .work-card {
    min-height: 0;
  }

  .svc-row {
    grid-template-columns: minmax(0, 1fr) auto;
    row-gap: 8px;
  }

  .svc-idx {
    grid-column: 1 / -1;
  }

  .btn {
    width: 100%;
  }

  .btn-xl {
    min-height: 66px;
    padding: 0 30px;
    font-size: 1rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

/* ---------- 動きを抑える設定の尊重 ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .mobile-nav,
  .nav-toggle span {
    transition: none !important;
  }

  .bg-grid,
  .bg-aur,
  .bg-grain,
  .beam,
  .marquee-track,
  .scroll-cue i::after,
  .hero-sweep,
  .hero-sparks span,
  .st-line.is-typing::after,
  .area-card.in .pulse-bars rect {
    animation: none !important;
  }

  .st-line.is-typing::after {
    display: none;
  }

  .hero-sweep,
  .hero-sparks,
  .hero-glow,
  .hero-video {
    display: none;
  }

  .stance-bar::after {
    transform: none;
  }

  .bg-grain {
    opacity: 0.035;
  }

  .beam {
    display: none;
  }

  [data-intro],
  [data-reveal],
  [data-chars] .ch > span,
  [data-reveal-mask] .line,
  [data-reveal-wipe],
  [data-reveal-wipe] > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    clip-path: none !important;
  }

  .hero .hero-inner,
  .hero .hero-meta,
  .hero .hero-foot,
  .hero .hero-ghost {
    transform: none;
    opacity: 1;
  }

  .tl-bar::after {
    transform: none;
  }

  .area-visual .draw {
    stroke-dashoffset: 0;
  }

  .area-visual .dot {
    transform: scale(1);
  }

  .pulse-bars rect {
    opacity: 1;
  }
}