/* ============================================================
BE.T.B — Be the Bridge
Tokens → Base → Layout → Sections → Motion → A11y
============================================================ */

/* ---------- Tokens ---------- */
:root {
  --color-bg: #05070E;
  --color-surface: #0B1120;
  --color-line: rgba(180, 190, 220, 0.14);
  --color-text: #EDEFF5;
  --color-muted: #8B93A8;
  --color-indigo: #2B4C8C;
  --color-indigo-deep: #16264D;
  --color-gold: #C9A24B;
  --color-gold-glow: #E8C77A;
  --font-display: "Archivo", "Zen Kaku Gothic New", sans-serif;
  --font-serif: "Shippori Mincho", serif;
  --font-body: "Zen Kaku Gothic New", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 0.3s;
  --duration-base: 0.7s;
  --container: 1180px;
  --header-h: 76px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--color-gold); color: #05070E; }
:focus-visible { outline: 2px solid var(--color-gold-glow); outline-offset: 4px; }

.grain-canvas {
  position: fixed; inset: 0; width: 100%; height: 100%;
  z-index: 40; pointer-events: none; mix-blend-mode: screen;
}
.bridge-canvas {
  position: fixed; inset: 0; width: 100%; height: 100%;
  z-index: 1; pointer-events: none;
}
main { position: relative; z-index: 10; }

/* ---------- ローディング ---------- */
.loader {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--color-bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 28px;
  transition: transform 1s var(--ease-out-expo);
}
.loader.is-done { transform: translateY(-100%); }
.loader__mark { display: flex; align-items: center; gap: 6px; height: 40px; }
.loader__bar {
  width: 4px; height: 8px; background: var(--color-gold); border-radius: 2px;
  animation: loaderEq 0.9s ease-in-out infinite alternate;
}
.loader__bar:nth-child(1) { animation-delay: 0s; }
.loader__bar:nth-child(2) { animation-delay: 0.12s; }
.loader__bar:nth-child(3) { animation-delay: 0.24s; }
@keyframes loaderEq { from { height: 6px; opacity: 0.5; } to { height: 36px; opacity: 1; } }
.loader.is-done .loader__bar { animation: none; height: 2px; }
.loader__wordmark {
  font-family: var(--font-display); font-stretch: 125%; font-weight: 800;
  font-size: 18px; letter-spacing: 0.4em; padding-left: 0.4em;
}
.loader__percent {
  position: absolute; right: 32px; bottom: 24px;
  font-family: var(--font-mono); font-size: 12px; color: var(--color-muted);
}

/* ---------- カスタムカーソル ---------- */
.cursor { display: none; }
@media (hover: hover) and (pointer: fine) {
  .cursor { display: block; position: fixed; inset: 0; z-index: 900; pointer-events: none; }
  .cursor__dot, .cursor__ring { position: absolute; top: 0; left: 0; border-radius: 50%; transform: translate(-50%, -50%); }
  .cursor__dot { width: 6px; height: 6px; background: var(--color-gold-glow); }
  .cursor__ring {
    width: 34px; height: 34px; border: 1px solid rgba(232, 199, 122, 0.5);
    transition: width 0.35s var(--ease-out-expo), height 0.35s var(--ease-out-expo), background-color 0.35s var(--ease-out-expo);
  }
  .cursor.is-hover .cursor__ring { width: 60px; height: 60px; background: rgba(201, 162, 75, 0.12); }
  body.has-cursor, body.has-cursor a, body.has-cursor button { cursor: none; }
}

/* ---------- ヘッダー ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 48px);
  transition: background-color 0.5s var(--ease-out-expo), backdrop-filter 0.5s var(--ease-out-expo);
}
.site-header.is-scrolled {
  background: rgba(5, 7, 14, 0.72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-line);
}
.site-header__logo { font-family: var(--font-display); font-weight: 800; letter-spacing: 0.2em; font-size: 16px; }
.site-header__nav { display: flex; gap: 30px; }
.site-header__link {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--color-muted);
  background: linear-gradient(currentColor, currentColor) no-repeat left bottom / 0 1px;
  transition: background-size 0.4s var(--ease-out-expo), color 0.4s var(--ease-out-expo);
  padding-bottom: 2px;
}
.site-header__link:hover { color: var(--color-text); background-size: 100% 1px; }
.site-header__actions { display: flex; align-items: center; gap: 20px; }
.site-header__lang {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--color-muted);
}
.site-header__lang:hover { color: var(--color-gold-glow); }
.site-header__cta {
  font-size: 12.5px; font-weight: 500; padding: 10px 20px;
  border: 1px solid var(--color-line); border-radius: 999px;
  position: relative; overflow: hidden; z-index: 0;
  transition: color 0.4s var(--ease-out-expo), border-color 0.4s var(--ease-out-expo);
}
.site-header__cta::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(120deg, var(--color-indigo), var(--color-gold));
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s var(--ease-out-expo);
}
.site-header__cta:hover { color: #05070E; border-color: transparent; }
.site-header__cta:hover::before { transform: scaleX(1); }
@media (max-width: 767px) { .site-header__nav { display: none; } }

/* ---------- 共通 ---------- */
.section-label {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.2em; color: var(--color-gold);
  display: flex; align-items: center; gap: 12px;
}
.section-label::after { content: ''; width: 40px; height: 1px; background: var(--color-gold); opacity: 0.5; }
.section-label__num { color: var(--color-muted); }
.marker {
  background: linear-gradient(rgba(43, 76, 140, 0.45), rgba(43, 76, 140, 0.45)) no-repeat left 62% / 0% 58%;
  border-radius: 4px; padding: 0 0.14em; transition: background-size 0.9s var(--ease-out-expo) 0.25s; color: var(--color-text);
}
.marker.is-marked { background-size: 100% 58%; }

/* ---------- 00 HERO ---------- */
/* 縦190svhのうち上100svhをピン留め。ロード直後は3Dの橋のみ、
   スクロールで .is-revealed が付与されタイトル群が一度だけ出現する */
.hero { height: 190svh; position: relative; }
.hero__sticky {
  position: sticky; top: 0; height: 100svh;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center; padding: calc(var(--header-h) + 24px) clamp(20px, 6vw, 96px) 96px;
}
.hero__sticky::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 60% 45% at 30% 30%, rgba(43, 76, 140, 0.30), transparent 70%),
    radial-gradient(ellipse 50% 40% at 75% 65%, rgba(201, 162, 75, 0.14), transparent 70%);
  pointer-events: none;
}
.hero__eyebrow {
  font-family: var(--font-mono); font-size: clamp(10px, 1.2vw, 13px); letter-spacing: 0.22em; color: var(--color-muted);
  display: flex; align-items: center; gap: 10px; opacity: 0; justify-content: center;
}
.hero__eyebrow-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--color-gold);
  box-shadow: 0 0 12px var(--color-gold); animation: heroPulse 2.4s ease-in-out infinite;
}
@keyframes heroPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.hero__title {
  font-family: var(--font-display); font-stretch: 125%; font-weight: 850;
  font-size: clamp(48px, 11vw, 148px); line-height: 0.98; letter-spacing: -0.01em;
  margin-top: 22px;
  background: linear-gradient(100deg, var(--color-indigo) 0%, var(--color-text) 35%, var(--color-gold-glow) 75%, var(--color-gold) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  background-size: 220% 100%;
  opacity: 0; transform: translateY(36px);
  transition: opacity 1.1s var(--ease-out-expo), transform 1.1s var(--ease-out-expo);
}
.hero.is-revealed .hero__title {
  opacity: 1; transform: none;
  animation: heroShift 7s ease-in-out 1.2s infinite;
}
@keyframes heroShift { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
.hero__sub {
  margin-top: 24px; font-family: var(--font-serif); font-size: clamp(16px, 2vw, 22px);
  letter-spacing: 0.08em; color: var(--color-text);
  opacity: 0; transform: translateY(26px);
  transition: opacity 1s var(--ease-out-expo) 0.18s, transform 1s var(--ease-out-expo) 0.18s;
}
.hero__lead {
  margin-top: 22px; max-width: 480px; color: var(--color-muted);
  opacity: 0; transform: translateY(26px);
  transition: opacity 1s var(--ease-out-expo) 0.34s, transform 1s var(--ease-out-expo) 0.34s;
}
.hero.is-revealed .hero__sub, .hero.is-revealed .hero__lead { opacity: 1; transform: none; }
body.is-loaded .hero__eyebrow { animation: heroFade 1s var(--ease-out-expo) 0.2s forwards; }
@keyframes heroFade { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
.hero__scroll {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 14px; opacity: 0;
}
body.is-loaded .hero__scroll { animation: heroFade 1s var(--ease-out-expo) 1.6s forwards; }
.hero.is-revealed .hero__scroll { animation: none; opacity: 0; transition: opacity 0.6s var(--ease-out-expo); }
.hero__scroll-line { width: 56px; height: 1px; background: var(--color-muted); position: relative; overflow: hidden; }
.hero__scroll-line::after {
  content: ''; position: absolute; inset: 0; background: var(--color-gold-glow);
  animation: scrollLine 1.8s var(--ease-out-expo) infinite;
}
@keyframes scrollLine { 0% { transform: translateX(-100%); } 55%, 100% { transform: translateX(100%); } }
.hero__scroll-text { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.24em; color: var(--color-muted); }

/* ---------- 01 MISSION ---------- */
/* ミッションの間も地球はヒーローと同じ見え方で続く。
   本文の裏にだけ淡い楕円の陰りを敷き、可読性と地球の見え方を両立する */
.mission { padding: 200px clamp(20px, 6vw, 96px); position: relative; }
.mission::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 60% 52% at 50% 50%,
    rgba(5, 7, 14, 0.58),
    rgba(5, 7, 14, 0.26) 55%,
    transparent 78%);
}
.mission__inner { max-width: 760px; margin: 0 auto; position: relative; }

/* 世界時計HUD: 対角配置(左上=TOKYO/右下=世界都市)。
   地球は本文カラムの真後ろにあるため、左右の余白でなく
   上下の余白帯に置いて水平を中央へ寄せ、地球の縁に重ねる */
.mission__side {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  text-align: center;
}
.mission__side--tr { right: clamp(120px, 27vw, 520px); top: 84px; }
.mission__side--br { right: clamp(120px, 27vw, 520px); bottom: 84px; }
.mission__side-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.34em;
  padding-left: 0.34em;
  color: var(--color-muted);
}
.mission__side-time {
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--color-gold-glow);
  text-shadow: 0 0 30px rgba(232, 199, 122, 0.45);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.mission__side-time--indigo {
  color: #8FB0E8;
  text-shadow: 0 0 30px rgba(95, 130, 196, 0.55);
}
.mission__side-time [data-tz-abbr] { font-size: 0.5em; letter-spacing: 0.14em; opacity: 0.8; }
.mission__side-dot {
  width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0;
  background: var(--color-gold);
  box-shadow: 0 0 12px var(--color-gold);
  animation: heroPulse 2.4s ease-in-out infinite;
}
.mission__side-dot--indigo { background: #5F82C4; box-shadow: 0 0 12px #5F82C4; }
@media (max-width: 1023px) { .mission__side { display: none; } }
.mission__title {
  font-size: clamp(28px, 4vw, 46px); font-weight: 700; line-height: 1.55; letter-spacing: 0.03em;
  margin-top: 20px;
}
.mission__title .ch { opacity: 0.16; }
.mission__body { margin-top: 44px; display: grid; gap: 24px; }
.mission__body p { color: var(--color-muted); font-size: 16px; line-height: 2; }

/* ---------- 02 WORK ---------- */
/* 背景にはJSが点描の世界地図キャンバスを敷く(日本=金、点線の航路つき) */
.work { padding: 180px clamp(20px, 6vw, 96px) 60px; position: relative; overflow: hidden; }
.work__bg { position: absolute; inset: 0; pointer-events: none; }
.work__head, .work__card { position: relative; }
.chart-canvas { display: block; width: 100%; }
.chart-canvas--line { height: 230px; }
.chart-canvas--bars { height: 320px; }
.work__head { max-width: 640px; margin: 0 auto 90px; text-align: center; }
.work__title { font-size: clamp(26px, 3.4vw, 42px); font-weight: 700; margin-top: 18px; letter-spacing: 0.03em; }

.work__card {
  max-width: var(--container); margin: 0 auto 120px;
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 80px); align-items: center;
}
.work__card--inbound .work__card-text { order: 2; }
.work__card-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.24em; color: var(--color-gold); }
.work__card-title { font-size: clamp(24px, 2.8vw, 34px); font-weight: 700; margin-top: 16px; line-height: 1.4; }
.work__card-desc { margin-top: 20px; color: var(--color-muted); font-size: 15px; line-height: 1.95; max-width: 420px; }

.mockup { display: flex; justify-content: center; perspective: 1400px; }
.mockup__frame {
  width: min(440px, 100%); border-radius: 14px; overflow: hidden;
  background: var(--color-surface); border: 1px solid var(--color-line);
  box-shadow: 0 40px 90px rgba(4, 6, 14, 0.6);
  transform: rotateY(-10deg) rotateX(4deg) rotateZ(-1deg);
  transition: transform 0.6s var(--ease-out-expo);
}
.mockup--phone .mockup__frame { transform: rotateY(10deg) rotateX(4deg) rotateZ(1deg); }
.work__card:hover .mockup__frame { transform: rotateY(0) rotateX(0) rotateZ(0); }
.mockup__bar { display: flex; gap: 6px; padding: 12px 14px; background: rgba(255,255,255,0.03); }
.mockup__bar span { width: 8px; height: 8px; border-radius: 50%; background: var(--color-line); }
.mockup__content { padding: 22px; display: grid; gap: 12px; }
.mockup__content--outbound { background: linear-gradient(160deg, rgba(43,76,140,0.35), rgba(11,17,32,0.9)); }
.mockup__content--inbound { background: linear-gradient(200deg, rgba(201,162,75,0.28), rgba(11,17,32,0.92)); }
.mockup__block { height: 40px; border-radius: 8px; background: rgba(237,239,245,0.08); }
.mockup__block--wide { height: 90px; }
.mockup__block--tall { height: 220px; }
.mockup__frame--phone { width: min(240px, 100%); border-radius: 26px; }
.mockup__notch { width: 60px; height: 8px; border-radius: 4px; background: rgba(255,255,255,0.08); margin: 12px auto; }
.mockup__frame--phone .mockup__content { padding: 0 16px 20px; }

@media (max-width: 900px) {
  .work__card { grid-template-columns: 1fr; text-align: center; }
  .work__card--inbound .work__card-text { order: 0; }
  .work__card-desc { margin-left: auto; margin-right: auto; }
}

/* ---------- 03 FOUNDER ---------- */
/* 背景にはJSが擬似3Dキャンバス(流れる粒子+回転する粒子の橋)を敷く */
.founder { padding: 220px clamp(20px, 6vw, 96px); text-align: center; position: relative; overflow: hidden; }
.founder__bg { position: absolute; inset: 0; pointer-events: none; }
.founder__inner { max-width: 780px; margin: 0 auto; position: relative; }

/* 代表メッセージ: 明朝でタイプされていく */
.founder__body--message {
  position: relative;
  margin-top: 48px;
  font-family: var(--font-serif);
  font-size: clamp(23px, 3.3vw, 36px);
  line-height: 2.05;
  letter-spacing: 0.05em;
  color: var(--color-text);
}
.typing-ghost { visibility: hidden; }
.typing-live { position: absolute; inset: 0; }
.founder__msg-line { display: block; }
.typing-caret {
  display: inline-block;
  width: 0.52em; height: 1.02em;
  margin-left: 3px;
  vertical-align: -0.12em;
  background: var(--color-gold-glow);
  box-shadow: 0 0 14px rgba(232, 199, 122, 0.55);
  animation: caretBlink 1.05s steps(1) infinite;
}
@keyframes caretBlink { 0%, 55% { opacity: 1; } 56%, 100% { opacity: 0; } }
.founder__title { font-size: clamp(30px, 4.2vw, 50px); font-weight: 700; margin-top: 20px; }
.founder__signature {
  margin-top: 72px;
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: #8FB0E8;
  border: 1px solid rgba(95, 130, 196, 0.4);
  border-radius: 999px;
  padding: 14px 28px;
}
.founder__sig-name {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.14em;
  color: var(--color-gold-glow);
}
.founder__sig-divider { width: 1px; height: 14px; background: rgba(95, 130, 196, 0.4); }

/* ---------- 04 CONTACT ---------- */
/* 背景にはJSがチャットバブル(入力中...)のキャンバスを敷く。
   ボタンからは発信音のような波紋リングが広がる */
.contact {
  min-height: 70svh; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 120px 20px; position: relative; overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(ellipse 70% 60% at 50% 100%, rgba(43, 76, 140, 0.28), transparent 70%),
    linear-gradient(180deg, var(--color-bg) 0%, #0A1224 60%, #0C1328 100%);
}
.contact__bg { position: absolute; inset: 0; pointer-events: none; z-index: -1; }
.contact__button-wrap { position: relative; display: inline-flex; margin-top: 44px; }
.contact__button-wrap::before,
.contact__button-wrap::after {
  content: ''; position: absolute; inset: 0; border-radius: 999px;
  border: 1px solid rgba(232, 199, 122, 0.55);
  animation: contactRipple 3.4s cubic-bezier(0.16, 1, 0.3, 1) infinite;
  pointer-events: none;
}
.contact__button-wrap::after {
  animation-delay: 1.7s;
  border-color: rgba(95, 130, 196, 0.55);
}
@keyframes contactRipple {
  0% { transform: scale(1); opacity: 0; }
  12% { opacity: 0.9; }
  100% { transform: scale(1.8); opacity: 0; }
}
.contact__button-wrap .contact__button { margin-top: 0; }
.contact__eyebrow { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.26em; color: var(--color-gold); }
.contact__title { margin-top: 22px; font-size: clamp(30px, 5vw, 56px); font-weight: 700; }
.contact__button {
  margin-top: 44px; display: inline-flex; align-items: center; justify-content: center;
  padding: 20px 48px; border-radius: 999px; border: 1px solid var(--color-line);
  font-weight: 700; font-size: 15px; letter-spacing: 0.04em; position: relative; overflow: hidden; z-index: 0;
  transition: color 0.4s var(--ease-out-expo), border-color 0.4s var(--ease-out-expo);
}
.contact__button::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(120deg, var(--color-indigo), var(--color-gold));
  transform: scaleX(0); transform-origin: left; transition: transform 0.5s var(--ease-out-expo);
}
.contact__button:hover { color: #05070E; border-color: transparent; }
.contact__button:hover::before { transform: scaleX(1); }
.contact__note { margin-top: 24px; font-size: 11px; color: var(--color-muted); }
.contact__note a { color: var(--color-gold-glow); }

/* ---------- お問い合わせフォーム ---------- */
.contact__form {
  position: relative; z-index: 1; width: 100%; max-width: 560px; margin: 44px auto 0;
  display: flex; flex-direction: column; gap: 18px; text-align: left;
}
.contact__row { display: flex; flex-wrap: wrap; gap: 18px; }
.contact__row .contact__field { flex: 1 1 220px; }
.contact__field { display: flex; flex-direction: column; gap: 6px; }
.contact__field--hp {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap;
}
.contact__label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; color: var(--color-muted); }
.contact__required { color: var(--color-gold); }
.contact__input, .contact__textarea {
  background: rgba(255, 255, 255, 0.03); border: 1px solid var(--color-line); border-radius: 10px;
  padding: 12px 16px; color: var(--color-text); font-family: var(--font-body); font-size: 14px;
  transition: border-color 0.3s var(--ease-out-expo), background 0.3s var(--ease-out-expo);
}
.contact__textarea { resize: vertical; min-height: 120px; }
.contact__input:focus, .contact__textarea:focus {
  outline: none; border-color: var(--color-gold-glow); background: rgba(255, 255, 255, 0.05);
}
.contact__form .contact__button-wrap { margin-top: 4px; align-self: flex-start; }
.contact__form .contact__button { border: none; cursor: pointer; font-family: var(--font-body); background: transparent; }
.contact__button:disabled { opacity: 0.55; cursor: not-allowed; }
.contact__button:disabled::before { transform: scaleX(0) !important; }
.contact__status { margin: 0; min-height: 20px; font-size: 13px; color: var(--color-muted); transition: color 0.3s var(--ease-out-expo); }
.contact__status[data-state="success"] { color: var(--color-gold-glow); }
.contact__status[data-state="error"] { color: #E28080; }

/* ---------- フッター ---------- */
.site-footer { border-top: 1px solid var(--color-line); }
.site-footer__inner {
  max-width: var(--container); margin: 0 auto; padding: 48px clamp(20px, 6vw, 48px);
  display: flex; flex-direction: column; gap: 24px;
}
.site-footer__logo { font-family: var(--font-display); font-weight: 800; letter-spacing: 0.3em; font-size: 20px; }
.site-footer__nav { display: flex; flex-wrap: wrap; gap: 22px; }
.site-footer__link { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; color: var(--color-muted); }
.site-footer__link:hover { color: var(--color-gold-glow); }
.site-footer__copy { font-size: 12px; color: var(--color-muted); }
@media (min-width: 768px) { .site-footer__inner { flex-direction: row; align-items: center; justify-content: space-between; } }

/* ---------- 汎用リビール ---------- */
[data-reveal] {
  opacity: 0; transform: translateY(32px);
  transition: opacity var(--duration-base) var(--ease-out-expo), transform var(--duration-base) var(--ease-out-expo);
  transition-delay: var(--reveal-delay, 0s);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- Reduced Motion（必須） ---------- */
@media (prefers-reduced-motion: reduce) {
  html:not(.force-motion) *, html:not(.force-motion) *::before, html:not(.force-motion) *::after {
    animation-duration: 0.01ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important; scroll-behavior: auto !important;
  }
  html:not(.force-motion) [data-reveal], html:not(.force-motion) .hero__title,
  html:not(.force-motion) .hero__eyebrow, html:not(.force-motion) .hero__sub, html:not(.force-motion) .hero__lead,
  html:not(.force-motion) .hero__scroll, html:not(.force-motion) .mission__title .ch {
    opacity: 1 !important; transform: none !important;
  }
  html:not(.force-motion) .loader { display: none; }
  html:not(.force-motion) .grain-canvas { display: none; }
  html:not(.force-motion) .bridge-canvas { display: none; }
  html:not(.force-motion) .hero { height: auto; }
  html:not(.force-motion) .hero__sticky { position: static; height: auto; min-height: 100svh; }
}

.motion-banner {
  position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); z-index: 500;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; color: var(--color-text);
  background: rgba(11, 17, 32, 0.9); border: 1px solid rgba(232, 199, 122, 0.4); border-radius: 999px;
  padding: 12px 22px; backdrop-filter: blur(10px); cursor: pointer;
}