/* =============================================
   REXIS LLC — style.css
   ============================================= */

/* ---------- Custom Properties ---------- */
:root {
  /* Colors */
  --c-bg:         #F4F4F7;
  --c-surface:    #FFFFFF;
  --c-surface2:   #EAEAEF;
  --c-border:     rgba(0,0,0,.1);
  --c-white:      #0D0D0F;       /* = primary text / foreground */
  --c-gray:       #9ca3af;
  --c-gray2:      #4b5563;
  --c-accent:     #3D5AFE;
  --c-accent2:    #0EA5E9;
  --c-grad:       linear-gradient(135deg, #3D5AFE 0%, #0EA5E9 100%);
  --c-ghost:      rgba(0,0,0,.04);
  --c-bg-glass:   rgba(244,244,247,.9);
  --c-cursor:     #3D5AFE;
  --c-cursor-ring: rgba(61,90,254,.3);
  --particle-rgb:       61, 90, 254;
  --particle-alpha-dot: .42;
  --particle-alpha-line: .17;

  /* Typography */
  --f-en:   'Space Grotesk', sans-serif;
  --f-mono: 'DM Mono', monospace;
  --f-jp:   'Noto Sans JP', sans-serif;

  /* Spacing */
  --sp-xs:  .5rem;
  --sp-sm:  1rem;
  --sp-md:  2rem;
  --sp-lg:  4rem;
  --sp-xl:  8rem;
  --sp-2xl: 12rem;

  /* Easing */
  --ease-out: cubic-bezier(.16,1,.3,1);
  --ease-in:  cubic-bezier(.7,0,.84,0);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; font-size: 16px; }
body {
  background: var(--c-bg);
  color: var(--c-white);
  font-family: var(--f-jp);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; }
button { cursor: none; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }
:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 3px; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb { background: var(--c-accent); border-radius: 2px; }

/* ---------- Container ---------- */
.container { width: min(90%, 1200px); margin-inline: auto; }

/* =============================================
   CUSTOM CURSOR
   ============================================= */
.cursor,
.cursor-follower {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
}
.cursor {
  width: 10px; height: 10px;
  background: var(--c-cursor);
  transform: translate(-50%,-50%);
  transition: width .2s var(--ease-out), height .2s var(--ease-out), opacity .2s, background .2s;
}
.cursor-follower {
  width: 40px; height: 40px;
  border: 1.5px solid var(--c-cursor-ring);
  transform: translate(-50%,-50%);
  transition: width .4s var(--ease-out), height .4s var(--ease-out), border-color .3s, opacity .3s;
}

/* Hover states */
body.cursor--hover .cursor          { width: 14px; height: 14px; background: var(--c-accent2); }
body.cursor--hover .cursor-follower { width: 52px; height: 52px; border-color: var(--c-accent); }
body.cursor--btn   .cursor          { width: 0; height: 0; opacity: 0; }
body.cursor--btn   .cursor-follower { width: 76px; height: 76px; border-color: var(--c-accent2); }

/* =============================================
   LOADING SCREEN
   ============================================= */
.loading {
  position: fixed; inset: 0;
  background: var(--c-bg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 2rem;
  z-index: 10000;
  transition: opacity .8s var(--ease-out), visibility .8s;
}
.loading.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loading__logo {
  font-family: var(--f-en);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 700;
  letter-spacing: .25em;
  background: var(--c-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.loading__bar {
  width: 200px; height: 2px;
  background: var(--c-border);
  border-radius: 1px;
  overflow: hidden;
}
.loading__fill {
  height: 100%;
  background: var(--c-grad);
  width: 0%;
  transition: width .05s linear;
}

/* =============================================
   HEADER / NAV
   ============================================= */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.5rem 0;
  transition: padding .4s var(--ease-out), background .4s, backdrop-filter .4s, border-color .4s;
}
.header.scrolled {
  padding: 1rem 0;
  background: var(--c-bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--c-border);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.nav__logo {
  font-family: var(--f-en);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: .18em;
  background: var(--c-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}
.nav__list { display: flex; gap: 2.5rem; align-items: center; flex: 1; justify-content: flex-end; }
.nav__link {
  font-family: var(--f-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--c-gray2);
  position: relative;
  transition: color .3s;
}
.nav__link::after {
  content: '';
  position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--c-grad);
  transition: width .4s var(--ease-out);
}
.nav__link:hover        { color: var(--c-white); }
.nav__link:hover::after { width: 100%; }
.nav__link--active      { color: var(--c-white) !important; }
.nav__link--active::after { width: 100%; }
.nav__link--cta {
  color: var(--c-white);
  padding: .45rem 1.1rem;
  border: 1px solid var(--c-border);
  border-radius: 2px;
  transition: border-color .3s, background .3s, color .3s;
}
.nav__link--cta::after { display: none; }
.nav__link--cta:hover  { background: var(--c-accent); border-color: var(--c-accent); color: #fff; }

/* Hamburger */
.nav__hamburger { display: none; flex-direction: column; gap: 5px; padding: .5rem; }
.nav__hamburger span {
  display: block; width: 24px; height: 1.5px;
  background: var(--c-white);
  transition: transform .4s var(--ease-out), opacity .4s, background .3s;
}
.nav__hamburger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__hamburger.active span:nth-child(2) { opacity: 0; }
.nav__hamburger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------- Mobile Menu ---------- */
.mobile-menu {
  position: fixed; inset: 0;
  background: var(--c-bg);
  z-index: 90;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity .5s var(--ease-out), visibility .5s, background .3s;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu__list { display: flex; flex-direction: column; gap: 1.5rem; align-items: center; }
.mobile-menu__link {
  font-family: var(--f-en);
  font-size: clamp(2rem, 8vw, 3.5rem);
  font-weight: 700;
  letter-spacing: .1em;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s calc(var(--i) * .07s + .1s) var(--ease-out),
              transform .5s calc(var(--i) * .07s + .1s) var(--ease-out),
              color .3s;
}
.mobile-menu.open .mobile-menu__link { opacity: 1; transform: translateY(0); }
.mobile-menu__link:hover { color: var(--c-accent); }

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--f-jp);
  font-size: .9rem;
  font-weight: 700;
  padding: .9rem 2rem;
  border-radius: 3px;
  position: relative;
  overflow: hidden;
  transition: transform .3s var(--ease-out), box-shadow .3s;
  letter-spacing: .03em;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: var(--c-grad);
  color: #fff;
  box-shadow: 0 4px 24px rgba(61,90,254,.25);
}
.btn--primary::before {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255,255,255,.12);
  opacity: 0;
  transition: opacity .3s;
}
.btn--primary:hover::before { opacity: 1; }
.btn--primary:hover { box-shadow: 0 8px 40px rgba(61,90,254,.4); }
.btn--ghost {
  color: var(--c-gray2);
  border: 1px solid var(--c-border);
  background: transparent;
  transition: color .3s, border-color .3s, transform .3s var(--ease-out);
}
.btn--ghost:hover { color: var(--c-white); border-color: var(--c-accent); }
.btn--full { width: 100%; justify-content: center; }

/* Ripple */
.btn .ripple {
  position: absolute; border-radius: 50%;
  background: rgba(255,255,255,.3);
  transform: scale(0);
  animation: ripple .6s linear;
  pointer-events: none;
}
@keyframes ripple { to { transform: scale(4); opacity: 0; } }

/* =============================================
   SECTION COMMONS
   ============================================= */
.section-label {
  display: block;
  font-family: var(--f-mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--c-accent);
  margin-bottom: .75rem;
}
.section-title {
  font-family: var(--f-jp);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.01em;
}
.section-header { margin-bottom: 4rem; }

/* Reveal animations (initial state for GSAP) */
.reveal-up, .reveal-left { opacity: 0; }

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero__canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.hero__noise {
  position: absolute;
  inset: -14px;          /* 親の overflow:hidden でクリップされる */
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.68' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.04'/%3E%3C/svg%3E");
  background-size: 180px;
  pointer-events: none;
  opacity: .28;
  animation: grainShift 7s steps(8) infinite;
  will-change: transform;
}

@keyframes grainShift {
  0%   { transform: translate(  0,    0  ); }
  12%  { transform: translate( -3px, -2px); }
  25%  { transform: translate(  2px,  4px); }
  37%  { transform: translate( -2px,  2px); }
  50%  { transform: translate(  4px, -3px); }
  62%  { transform: translate( -3px,  1px); }
  75%  { transform: translate(  1px, -3px); }
  87%  { transform: translate( -2px,  3px); }
  100% { transform: translate(  0,    0  ); }
}
.hero__content {
  position: relative;
  z-index: 2;
  padding-top: 8rem;
}
.hero__label {
  font-family: var(--f-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .22em;
  color: var(--c-accent);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(16px);
}
.hero__headline {
  font-family: var(--f-jp);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
  margin-bottom: 1.5rem;
}
.hero__line {
  display: block;
  overflow: hidden;
}
.hero__line--accent {
  background: var(--c-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__sub {
  font-family: var(--f-en);
  font-size: clamp(.85rem, 2vw, 1.05rem);
  font-weight: 300;
  letter-spacing: .1em;
  color: var(--c-gray2);
  margin-bottom: 2.5rem;
  opacity: 0;
  transform: translateY(16px);
}
.hero__cta {
  display: flex; gap: 1rem; flex-wrap: wrap;
  opacity: 0;
  transform: translateY(16px);
}
.hero__scroll {
  position: absolute;
  bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .75rem;
  z-index: 2;
  opacity: 0;
  animation: fadeUp .8s 2s var(--ease-out) forwards;
}
.hero__scroll-text {
  font-family: var(--f-mono);
  font-size: .58rem;
  font-weight: 500;
  letter-spacing: .28em;
  color: var(--c-gray);
  writing-mode: vertical-rl;
}
.hero__scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--c-gray), transparent);
  animation: scrollLine 1.6s 2s ease-in-out infinite;
}
@keyframes fadeUp {
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
@keyframes scrollLine {
  0%       { transform: scaleY(0); transform-origin: top; }
  50%      { transform: scaleY(1); transform-origin: top; }
  50.001%  { transform-origin: bottom; }
  100%     { transform: scaleY(0); transform-origin: bottom; }
}

/* =============================================
   MARQUEE
   ============================================= */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding: .9rem 0;
  background: var(--c-surface);
  transition: background .4s, border-color .4s;
}
.marquee__track {
  display: flex; gap: 2rem; align-items: center;
  width: max-content;
  animation: marquee 28s linear infinite;
}
.marquee__track span {
  font-family: var(--f-mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--c-gray);
  white-space: nowrap;
}
.marquee__track .dot { color: var(--c-accent); font-size: .9rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* =============================================
   PHILOSOPHY
   ============================================= */
.philosophy {
  position: relative;
  padding: var(--sp-xl) 0;
  overflow: hidden;
}
.philosophy__bg-text {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  font-family: var(--f-en);
  font-size: clamp(5rem, 18vw, 14rem);
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--c-ghost);
  pointer-events: none;
  white-space: nowrap;
  user-select: none;
}
.philosophy__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
  position: relative;
  z-index: 1;
}
.philosophy__headline {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  line-height: 1.35;
  margin: 1rem 0 1.5rem;
}
.philosophy__headline em {
  font-style: normal;
  background: var(--c-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.philosophy__body {
  color: var(--c-gray2);
  font-size: .95rem;
  line-height: 2;
}
.philosophy__body strong { color: var(--c-white); }
.philosophy__right { display: flex; flex-direction: column; gap: 2rem; padding-top: 3rem; }

.pillar {
  border: 1px solid var(--c-border);
  border-radius: 6px;
  padding: 1.5rem;
  background: var(--c-surface);
  position: relative;
  transition: border-color .4s, transform .4s var(--ease-out), background .4s, box-shadow .4s;
}
.pillar::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 3px; height: 0;
  background: var(--c-grad);
  border-radius: 6px 0 0 6px;
  transition: height .5s var(--ease-out);
}
.pillar:hover {
  border-color: rgba(61,90,254,.3);
  transform: translateX(6px);
  box-shadow: 0 4px 24px rgba(0,0,0,.06);
}
.pillar:hover::before { height: 100%; }
.pillar__number {
  font-family: var(--f-mono);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--c-accent);
  margin-bottom: .4rem;
}
.pillar__title {
  font-family: var(--f-en);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .08em;
  margin-bottom: .5rem;
}
.pillar__text { font-size: .85rem; color: var(--c-gray2); line-height: 1.85; }

/* =============================================
   STATS
   ============================================= */
.stats {
  padding: 5rem 0;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  transition: border-color .4s;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 2rem;
}
.stat-item { text-align: center; }
.stat-item__row {
  display: flex; align-items: flex-end; justify-content: center;
  gap: .25rem;
  margin-bottom: .5rem;
}
.stat-item__num {
  font-family: var(--f-en);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  background: var(--c-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-item__unit {
  font-family: var(--f-en);
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 700;
  color: var(--c-accent);
  line-height: 1.3;
}
.stat-item__label { font-size: .8rem; color: var(--c-gray); letter-spacing: .05em; }

/* =============================================
   SERVICES — BENTO GRID
   ============================================= */
.services { padding: var(--sp-xl) 0; }
.bento {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  grid-template-rows: auto auto;
  gap: 1rem;
}
.bento__card {
  position: relative;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--c-surface);
  transition: border-color .4s, transform .5s var(--ease-out), box-shadow .4s, background .4s;
}
.bento__card:hover {
  border-color: rgba(61,90,254,.35);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,.1);
}
.bento__card--large { grid-column: span 2; }
.bento__card--wide  { grid-column: span 2; }
.bento__card--full  { grid-column: 1 / -1; }

/* AD Design card — horizontal inner layout */
.bento__card-inner--ad {
  flex-direction: row;
  gap: 2.5rem;
  align-items: flex-start;
}
.bento__ad-main { flex: 1; min-width: 0; }
.bento__ad-label {
  font-family: var(--f-jp);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--c-accent);
  margin-bottom: .6rem;
}
.bento__ad-divider {
  width: 1px;
  align-self: stretch;
  background: var(--c-border);
  flex-shrink: 0;
  transition: background .4s;
}
.bento__ad-side {
  width: 280px;
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  align-content: start;
  padding-top: .25rem;
}
.bento__ad-tag {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .8rem;
  color: var(--c-gray2);
  padding: .55rem .9rem;
  border: 1px solid var(--c-border);
  border-radius: 3px;
  background: var(--c-ghost);
  transition: border-color .35s var(--ease-out), color .35s, background .35s, transform .35s var(--ease-out);
}

.bento__ad-tag::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--c-accent);
  flex-shrink: 0;
  opacity: .5;
  transition: opacity .35s, transform .35s var(--ease-out);
}
.bento__card--full:hover .bento__ad-tag {
  border-color: rgba(61,90,254,.22);
  background: transparent;
}
.bento__card--full:hover .bento__ad-tag:hover {
  border-color: var(--c-accent);
  color: var(--c-white);
  transform: translateX(4px);
}
.bento__card--full:hover .bento__ad-tag:hover::before {
  opacity: 1;
  transform: scale(1.4);
}
.bento__card-bg {
  position: absolute; inset: 0;
  opacity: 0;
  background: radial-gradient(ellipse at 30% 30%, rgba(61,90,254,.08), transparent 70%);
  transition: opacity .5s;
}
.bento__card:hover .bento__card-bg { opacity: 1; }
.bento__card-glow {
  position: absolute;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14,165,233,.12), transparent 70%);
  pointer-events: none;
  opacity: 0;
  transition: opacity .3s;
  transform: translate(-50%,-50%);
}
.bento__card:hover .bento__card-glow { opacity: 1; }
.bento__card-inner {
  position: relative; z-index: 1;
  padding: 2rem;
  height: 100%;
  display: flex; flex-direction: column;
}
.bento__num {
  font-family: var(--f-mono);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .22em;
  color: var(--c-accent);
  margin-bottom: 1rem;
}
.bento__icon {
  margin-bottom: 1.25rem;
  color: var(--c-gray);
  transition: color .4s;
  width: 40px; height: 40px;
}
.bento__card:hover .bento__icon { color: var(--c-accent); }
.bento__title {
  font-family: var(--f-en);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: .04em;
  margin-bottom: .75rem;
  transition: color .3s;
}
.bento__card:hover .bento__title { color: var(--c-accent); }
.bento__desc { font-size: .85rem; color: var(--c-gray2); line-height: 1.9; flex: 1; }
.bento__list {
  margin-top: 1.5rem;
  display: flex; flex-direction: column; gap: .4rem;
}
.bento__list li {
  font-size: .8rem;
  color: var(--c-gray);
  padding-left: 1rem;
  position: relative;
}
.bento__list li::before {
  content: '';
  position: absolute; left: 0; top: 50%;
  transform: translateY(-50%);
  width: 5px; height: 1px;
  background: var(--c-accent);
}

/* =============================================
   WORKS — HORIZONTAL DRAG SCROLL
   ============================================= */
.works { padding: var(--sp-xl) 0; overflow: hidden; }
.works__header { margin-bottom: 3rem; }
.works__drag {
  font-family: var(--f-mono);
  font-size: .66rem;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--c-gray);
  margin-top: .75rem;
}
.works__outer {
  overflow-x: scroll;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  cursor: grab;
  position: relative;
}
.works__outer:active { cursor: grabbing; }
.works__outer::-webkit-scrollbar { display: none; }
.works__track {
  display: flex; gap: 1.5rem;
  padding: 0 max(2.5%, calc((100vw - 1200px) / 2));
  width: max-content;
  will-change: transform;
}
.work-card { width: clamp(280px, 35vw, 420px); flex-shrink: 0; }
.work-card__img {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  margin-bottom: 1rem;
  transition: transform .5s var(--ease-out);
}
.work-card:hover .work-card__img { transform: scale(1.02); }
.work-card__overlay {
  position: absolute; inset: 0;
  background: rgba(61,90,254,.45);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity .4s;
}
.work-card:hover .work-card__overlay { opacity: 1; }
.work-card__view {
  font-family: var(--f-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .25em;
  color: #fff;
  border: 1.5px solid #fff;
  border-radius: 50%;
  width: 80px; height: 80px;
  display: flex; align-items: center; justify-content: center;
  transform: scale(.8);
  transition: transform .4s var(--ease-out);
}
.work-card:hover .work-card__view { transform: scale(1); }
.work-card__cat {
  display: block;
  font-family: var(--f-mono);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--c-accent);
  margin-bottom: .4rem;
}
.work-card__title {
  font-size: .95rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-gray2);
  transition: color .3s;
}
.work-card:hover .work-card__title { color: var(--c-white); }

/* =============================================
   PROCESS
   ============================================= */
.process { padding: var(--sp-xl) 0; }
.process__layout {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 0 2.5rem;
}
.process__line-wrap {
  display: flex; justify-content: center;
  padding-top: .6rem;
}
.process__svg { width: 4px; height: 100%; }
/* Override SVG presentation attribute for track line */
.process__track { stroke: var(--c-border); }
.process__steps { display: flex; flex-direction: column; }
.process-step {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 1.5rem;
  padding-bottom: 3rem;
}
.process-step:last-child { padding-bottom: 0; }
.process-step__dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 2px solid var(--c-accent);
  background: var(--c-bg);
  margin-top: .45rem;
  flex-shrink: 0;
  position: relative; z-index: 1;
  transition: background .4s, box-shadow .4s;
}
.process-step.active .process-step__dot {
  background: var(--c-accent);
  box-shadow: 0 0 16px rgba(61,90,254,.5);
}
.process-step__num {
  font-family: var(--f-mono);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--c-accent);
  display: block;
  margin-bottom: .4rem;
}
.process-step__title { font-size: 1.1rem; font-weight: 700; margin-bottom: .6rem; }
.process-step__text { font-size: .875rem; color: var(--c-gray2); line-height: 1.9; }

/* =============================================
   CONTACT
   ============================================= */
.contact {
  padding: var(--sp-xl) 0;
  position: relative;
  overflow: hidden;
}
.contact__bg-text {
  position: absolute;
  bottom: -2rem; right: -2rem;
  font-family: var(--f-en);
  font-size: clamp(5rem, 15vw, 12rem);
  font-weight: 700;
  color: var(--c-ghost);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}
.contact__lead {
  margin-top: 1rem;
  font-size: .95rem;
  color: var(--c-gray2);
  max-width: 500px;
}
.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  margin-top: 3rem;
}
.contact__info { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-detail {
  display: flex; align-items: center; gap: .75rem;
  font-size: .9rem;
  color: var(--c-gray2);
}
.contact-detail svg { color: var(--c-accent); flex-shrink: 0; }
.contact__sns { display: flex; gap: 1rem; margin-top: .5rem; }
.sns-icon {
  width: 40px; height: 40px;
  border: 1px solid var(--c-border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-gray2);
  background: var(--c-surface);
  transition: border-color .3s, color .3s, transform .3s var(--ease-out), background .3s;
}
.sns-icon:hover { border-color: var(--c-accent); color: var(--c-accent); transform: translateY(-3px); }
.contact__badge { display: flex; flex-direction: column; gap: .6rem; margin-top: 1rem; }
.badge { display: inline-flex; align-items: center; gap: .5rem; font-size: .8rem; color: var(--c-gray2); }
.badge__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 6px var(--c-accent);
  flex-shrink: 0;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: .4; }
}

/* ---------- Form ---------- */
.form-wrap { position: relative; }
.contact-form { display: flex; flex-direction: column; gap: 2.2rem; }
.field { position: relative; }
.field__input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--c-border);
  padding: .85rem 0 .5rem;
  font-size: .95rem;
  color: var(--c-white);
  outline: none;
  transition: border-color .3s, color .3s;
}
.field__input:focus { border-bottom-color: transparent; }
.field__input::placeholder { color: transparent; }
.field__select { appearance: none; -webkit-appearance: none; }
.field__select option { background: var(--c-surface2); color: var(--c-white); }
.field__textarea { resize: vertical; min-height: 100px; }
.field__label {
  position: absolute;
  top: .85rem; left: 0;
  font-size: .9rem;
  color: var(--c-gray);
  pointer-events: none;
  transition: top .3s var(--ease-out), font-size .3s var(--ease-out), color .3s;
}
.field__input:focus + .field__label,
.field__input:not(:placeholder-shown) + .field__label {
  top: 0;
  font-size: .7rem;
  color: var(--c-accent);
}
.field__bar {
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--c-grad);
  transition: width .4s var(--ease-out);
}
.field__input:focus ~ .field__bar { width: 100%; }

/* ---------- Form Validation States ---------- */
.field__req { color: var(--c-accent); font-size: .82em; }
.field__error-msg {
  position: absolute;
  bottom: -1.25rem; left: 0;
  font-size: .7rem;
  color: #ef4444;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .25s var(--ease-out), transform .25s var(--ease-out);
  pointer-events: none;
  white-space: nowrap;
}
.field--error .field__error-msg { opacity: 1; transform: translateY(0); }
.field__valid-icon {
  position: absolute;
  right: 0; top: .9rem;
  color: #10b981;
  opacity: 0;
  transition: opacity .3s var(--ease-out);
  pointer-events: none;
}
.field--valid .field__valid-icon { opacity: 1; }
.field--valid .field__input  { border-bottom-color: #10b981; }
.field--error .field__input  { border-bottom-color: #ef4444; }
.field--valid .field__bar    { background: #10b981; }
.field--error .field__bar    { background: #ef4444; }

/* Select custom caret */
.field__select-caret {
  position: absolute;
  right: .25rem; top: 1.05rem;
  color: var(--c-gray);
  pointer-events: none;
  transition: transform .3s var(--ease-out), color .3s;
}
.field__select:focus ~ .field__select-caret  { transform: rotate(180deg); color: var(--c-accent); }
.field--valid .field__select-caret { right: 1.5rem; }

/* Character counter */
.field__counter {
  position: absolute;
  bottom: -1.25rem; right: 0;
  font-family: var(--f-mono);
  font-size: .62rem;
  color: var(--c-gray);
  transition: color .3s;
  user-select: none;
}
.field__counter--warn  { color: #f59e0b; }
.field__counter--limit { color: #ef4444; }

/* Submit button states */
.btn--submit { overflow: hidden; }
.btn__icon-wrap { position: relative; width: 18px; height: 18px; flex-shrink: 0; }
.btn__icon-loader,
.btn__icon-check {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity .2s;
}
.btn__icon-send { transition: opacity .2s; }

.btn--sending { pointer-events: none; }
.btn--sending .btn__text        { opacity: .7; }
.btn--sending .btn__icon-send   { opacity: 0; }
.btn--sending .btn__icon-loader { opacity: 1; animation: spin .75s linear infinite; }

.btn--success {
  background: linear-gradient(135deg, #059669 0%, #10b981 100%) !important;
  box-shadow: 0 4px 24px rgba(5,150,105,.3) !important;
  pointer-events: none;
}
.btn--success .btn__icon-send  { opacity: 0; }
.btn--success .btn__icon-check { opacity: 1; }

.btn--error {
  background: linear-gradient(135deg, #b91c1c 0%, #ef4444 100%) !important;
  box-shadow: 0 4px 20px rgba(185,28,28,.25) !important;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Error toast */
.form-error-toast {
  margin-top: 1rem;
  padding: .75rem 1rem;
  background: rgba(239,68,68,.07);
  border: 1px solid rgba(239,68,68,.25);
  border-radius: 4px;
  font-size: .82rem;
  color: #dc2626;
  line-height: 1.65;
}

/* ---------- Form Success ---------- */
.form-success {
  position: absolute; inset: 0;
  background: var(--c-bg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 1.25rem;
  opacity: 0; visibility: hidden;
  z-index: 10;
  text-align: center;
  padding: 2rem;
}
.form-success.show { opacity: 1; visibility: visible; }
.form-success__ring {
  position: relative;
  width: 80px; height: 80px;
  display: flex; align-items: center; justify-content: center;
}
.form-success__ring::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(61,90,254,.2);
  animation: ringPulse 2.2s ease-in-out infinite;
}
@keyframes ringPulse {
  0%, 100% { transform: scale(1);    opacity: .8; }
  50%       { transform: scale(1.18); opacity: .25; }
}
.form-success__icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--c-grad);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
}
.form-success h3 { font-size: 1.4rem; font-weight: 700; }
.form-success p { font-size: .9rem; color: var(--c-gray2); text-align: center; line-height: 1.8; }
.form-success__actions { margin-top: .5rem; }

/* =============================================
   LOGO IMAGE
   ============================================= */
.loading__logo-img {
  height: clamp(2.5rem, 8vw, 5rem);
  width: auto;
  display: block;
}
.nav__logo-img {
  height: 40px; /* 少し大きく */
  width: auto;
  display: block;
}
.footer__logo-img {
  height: 32px; /* 少し大きく */
  width: auto;
  display: block;
}
/* Hero Logo */
.hero__logo-box {
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(20px);
}
.hero__logo-img {
  height: clamp(3rem, 10vw, 5.5rem);
  width: auto;
  opacity: .9;
}

/* Contact scope tags */
.contact__scope { margin-top: 1.5rem; }
.contact__scope-label {
  font-family: var(--f-mono);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--c-accent);
  margin-bottom: .65rem;
  display: block;
}
.contact__scope-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}
.contact__scope-tags span {
  font-family: var(--f-jp);
  font-size: .72rem;
  color: var(--c-gray2);
  padding: .28rem .7rem;
  border: 1px solid var(--c-border);
  border-radius: 2px;
  background: var(--c-surface);
  transition: border-color .3s, color .3s;
}
.contact__scope-tags span:hover {
  border-color: var(--c-accent);
  color: var(--c-white);
}

/* Contact Business Hours */
.contact__hours {
  margin-top: .5rem;
  padding: 1.25rem;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 6px;
}
.contact__hours-label {
  font-family: var(--f-mono);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--c-accent);
  margin-bottom: .5rem;
  display: block;
}
.contact__hours-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: .25rem;
}
.contact__hours-sub {
  font-size: .7rem;
  color: var(--c-gray);
  line-height: 1.6;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--c-border);
  transition: border-color .4s;
}
.footer__top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--c-border);
}
.footer__logo {
  font-family: var(--f-en);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: .18em;
  background: var(--c-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer__tag {
  font-family: var(--f-en);
  font-size: .72rem;
  font-weight: 400;
  letter-spacing: .1em;
  color: var(--c-gray);
}
.footer__mid { margin-bottom: 2rem; }
.footer__nav { display: flex; gap: 2rem; flex-wrap: wrap; }
.footer__nav a {
  font-family: var(--f-mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--c-gray);
  transition: color .3s;
}
.footer__nav a:hover { color: var(--c-white); }
.footer__btm {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.footer__copy { font-size: .75rem; color: var(--c-gray); }
.footer__legal { display: flex; gap: 1.5rem; }
.footer__legal a { font-size: .75rem; color: var(--c-gray); transition: color .3s; }
.footer__legal a:hover { color: var(--c-white); }

/* =============================================
   STRENGTHS
   ============================================= */
.strengths {
  padding: 5rem 0;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  transition: border-color .4s;
  overflow: hidden;
}
.strengths__label-row { margin-bottom: 2.5rem; }
.strengths__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  overflow: hidden;
}
.strength-item {
  padding: 3rem 2rem 2.5rem;
  position: relative;
  overflow: hidden;
  transition: background .4s;
  border-right: 1px solid var(--c-border);
}
.strength-item:last-child { border-right: none; }
.strength-item:hover { background: var(--c-surface); }
.strength-item::after {
  content: '';
  position: absolute;
  bottom: 0; left: 2rem; right: 2rem;
  height: 2px;
  background: var(--c-grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .6s var(--ease-out);
}
.strength-item:hover::after { transform: scaleX(1); }
.strength-item__bg-num {
  position: absolute;
  top: .75rem; right: 1rem;
  font-family: var(--f-en);
  font-size: 5.5rem;
  font-weight: 700;
  color: var(--c-ghost);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  transition: transform .5s var(--ease-out);
}
.strength-item:hover .strength-item__bg-num { transform: translateY(-4px) scale(1.04); }
.strength-item__keyword {
  display: block;
  font-family: var(--f-en);
  font-size: clamp(1.5rem, 2.2vw, 2.1rem);
  font-weight: 700;
  letter-spacing: .03em;
  background: var(--c-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: .7rem;
  line-height: 1;
}
.strength-item__subtitle {
  font-size: .9rem;
  font-weight: 700;
  margin-bottom: .45rem;
  color: var(--c-white);
}
.strength-item__desc {
  font-family: var(--f-mono);
  font-size: .68rem;
  color: var(--c-gray);
  letter-spacing: .05em;
  line-height: 1.8;
}

/* =============================================
   POLICY / VALUES
   ============================================= */
.policy {
  position: relative;
  padding: var(--sp-xl) 0;
  overflow: hidden;
}
.policy__bg-text {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--f-en);
  font-size: clamp(5rem, 18vw, 14rem);
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--c-ghost);
  pointer-events: none;
  white-space: nowrap;
  user-select: none;
}
.policy__lead {
  margin-top: 1rem;
  font-size: .95rem;
  color: var(--c-gray2);
  max-width: 520px;
  line-height: 1.9;
}
.policy__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  position: relative;
  z-index: 1;
}
.policy-card {
  position: relative;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  background: var(--c-surface);
  overflow: hidden;
  transition: border-color .4s, box-shadow .4s, background .4s;
  will-change: transform;
  transform-style: preserve-3d;
}
.policy-card:hover {
  border-color: rgba(61,90,254,.3);
  box-shadow: 0 24px 64px rgba(0,0,0,.08);
}
.policy-card__inner {
  padding: 2.5rem;
  position: relative;
  z-index: 1;
}
.policy-card__num {
  display: block;
  font-family: var(--f-mono);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .22em;
  color: var(--c-accent);
  margin-bottom: 1.25rem;
}
.policy-card__glow {
  position: absolute;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61,90,254,.1), transparent 60%);
  pointer-events: none;
  opacity: 0;
  transition: opacity .3s;
  transform: translate(-50%, -50%);
  z-index: 0;
}
.policy-card:hover .policy-card__glow { opacity: 1; }
.policy-card__catch {
  font-family: var(--f-jp);
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  font-weight: 900;
  line-height: 1.5;
  margin-bottom: .5rem;
  letter-spacing: -.01em;
}
.policy-card__en {
  display: block;
  font-family: var(--f-en);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--c-accent);
  margin-bottom: 1.25rem;
}
.policy-card__desc {
  font-size: .875rem;
  color: var(--c-gray2);
  line-height: 2;
}
.policy-card__line {
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 0;
  background: var(--c-grad);
  border-radius: 0 0 2px 2px;
  transition: height .55s var(--ease-out);
}
.policy-card:hover .policy-card__line { height: 100%; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .bento { grid-template-columns: repeat(2,1fr); }
  .bento__card--large { grid-column: span 2; }
  .bento__card--wide  { grid-column: span 2; }
  .bento__card--full  { grid-column: span 2; }
  .bento__ad-side     { width: 200px; }
  .philosophy__inner  { grid-template-columns: 1fr; gap: 3rem; }
  .contact__layout    { grid-template-columns: 1fr; gap: 3rem; }
  .strengths__grid    { grid-template-columns: repeat(2,1fr); border-radius: 12px; }
  .strength-item:nth-child(2) { border-right: none; }
  .strength-item:nth-child(3),
  .strength-item:nth-child(4) { border-top: 1px solid var(--c-border); }
  .strength-item:nth-child(4) { border-right: none; }
  .policy__grid       { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --sp-xl: 5rem; }
  .nav__list       { display: none; }
  .nav__hamburger  { display: flex; }
  body             { cursor: auto; }
  .cursor, .cursor-follower { display: none; }
  .bento           { grid-template-columns: 1fr; }
  .bento__card--large,
  .bento__card--medium,
  .bento__card--wide,
  .bento__card--full  { grid-column: span 1; }
  .bento__card-inner--ad { flex-direction: column; }
  .bento__ad-divider  { width: 100%; height: 1px; align-self: auto; }
  .bento__ad-side     { width: 100%; flex-direction: row; flex-wrap: wrap; }
  .process__layout { grid-template-columns: 20px 1fr; gap: 0 1.5rem; }
  .hero__headline  { font-size: clamp(2.5rem, 10vw, 4rem); }
  .footer__top     { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .footer__btm     { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero__cta  { flex-direction: column; }
  .strengths__grid { grid-template-columns: 1fr; }
  .strength-item + .strength-item { border-right: none; border-top: 1px solid var(--c-border); }
}