/* =========================================================
   PINCHES - ONE FILE CSS (Luxury / Apple-like / Black + Orange as "Light")
   For your HTML:
   - nav / hero / page-hero / sections / cta-box / bento / works / footer
   - loader / reveal
   ========================================================= */

/* --- Variables --- */
:root{
  --bg-body:#050505;
  --bg-card:#1c1c1e;
  --text-primary:#f5f5f7;
  --text-secondary:#86868b;

  /* Accent system (orange as light, not paint) */
  --accent-core:#ff7f00;
  --accent-soft:rgba(255,127,0,0.12);
  --accent-line:rgba(255,127,0,0.28);
  --accent-glow:rgba(255,127,0,0.45);

  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.12);

  --shadow-deep:0 25px 80px rgba(0,0,0,0.60);
  --shadow-mid:0 15px 30px rgba(0,0,0,0.50);

  --easing:cubic-bezier(0.25, 1, 0.5, 1);
  --max:1080px;
}

/* --- Reset --- */
*,
*::before,
*::after{ box-sizing:border-box; margin:0; padding:0; }

html{ scroll-behavior:smooth; }

body{
  background-color:var(--bg-body);
  color:var(--text-primary);
  font-family:'Inter','Noto Sans JP',sans-serif;
  line-height:1.6;
  overflow-x:hidden;
}

a{ text-decoration:none; color:inherit; display:block; }
img{ width:100%; height:auto; display:block; }

/* --- Utilities --- */
.container{ max-width:var(--max); margin:0 auto; padding:0 24px; }
.text-center{ text-align:center; }

/* --- Typography --- */
.headline{
  font-size:clamp(2.5rem,5vw,4rem);
  font-weight:700;
  letter-spacing:-0.02em;
  margin-bottom:24px;
  background:linear-gradient(to bottom,#fff,#888);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}
.headline-sm{
  font-size:2rem;
  font-weight:600;
  letter-spacing:-0.01em;
}
.sub-headline{
  color:var(--text-secondary);
  font-size:0.9rem;
  margin-top:5px;
}
.description{
  color:var(--text-secondary);
  font-size:1.05rem;
  line-height:1.85;
}

/* --- Loader --- */
.loader{
  position:fixed;
  inset:0;
  z-index:9999;
  background:var(--bg-body);
  display:grid;
  place-items:center;
  pointer-events:none;
  animation:loaderFade .9s var(--easing) 1.1s forwards;
}
.loader__bar{
  width:min(520px,70vw);
  height:3px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  overflow:hidden;
  position:relative;
}
.loader__bar::before{
  content:"";
  position:absolute;
  inset:0;
  transform:translateX(-70%);
  background:linear-gradient(90deg,transparent,var(--accent-core),transparent);
  animation:loaderMove 1.1s var(--easing) .1s forwards;
}
@keyframes loaderMove{ to{ transform:translateX(70%); } }
@keyframes loaderFade{ to{ opacity:0; visibility:hidden; } }

/* --- Reveal --- */
.reveal{
  opacity:0;
  transform:translateY(30px);
  transition:opacity .8s var(--easing), transform .8s var(--easing);
}
.reveal.is-visible{
  opacity:1;
  transform:translateY(0);
}

/* --- Buttons --- */
.btn-primary,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  font-weight:600;
  border-radius:999px;
  padding:12px 22px;
  user-select:none;
  will-change:transform;
  transition:
    transform .35s var(--easing),
    box-shadow .35s var(--easing),
    background .35s var(--easing),
    color .35s var(--easing),
    border-color .35s var(--easing);
}

.btn-primary{
  background:rgba(255,255,255,0.92);
  color:#000;
  border:1px solid rgba(0,0,0,0.10);
}
.btn-primary:hover{
  transform:translateY(-2px);
  background:linear-gradient(180deg,#ffffff,rgba(255,127,0,0.08));
  box-shadow:
    0 10px 30px rgba(0,0,0,0.25),
    0 0 0 1px var(--accent-line);
}

.btn-ghost{
  background:rgba(255,255,255,0.06);
  color:var(--text-primary);
  border:1px solid rgba(255,255,255,0.10);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  background:rgba(255,127,0,0.10);
  border-color:var(--accent-line);
  box-shadow:0 0 0 1px rgba(255,127,0,0.08) inset;
}

/* --- Navigation --- */
.nav{
  position:fixed;
  top:0;
  width:100%;
  height:80px;
  z-index:1000;
  background:rgba(5,5,5,0.78);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,0.10);
}
.nav__container{
  max-width:var(--max);
  margin:0 auto;
  padding:0 24px;
  height:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.nav__logo{
  font-weight:700;
  letter-spacing:0.1em;
  font-size:1.2rem;
}
.nav__menu{
  display:flex;
  gap:30px;
  list-style:none;
}
.nav__link{
  font-size:0.9rem;
  color:var(--text-secondary);
  transition:color 0.3s;
}
.nav__link:hover{ color:var(--text-primary); }

/* Contact button in nav */
.nav .btn-contact{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:9px 18px;
  border-radius:999px;
  background:rgba(255,255,255,0.92);
  color:#000;
  border:1px solid rgba(0,0,0,0.10);
  font-weight:600;
  transition:transform .35s var(--easing), box-shadow .35s var(--easing), background .35s var(--easing), color .35s var(--easing);
}
.nav .btn-contact:hover{
  transform:translateY(-1px);
  background:#fff;
  box-shadow:
    0 0 0 1px var(--accent-line),
    0 10px 28px rgba(0,0,0,0.25);
}

/* Mobile menu */
.nav__toggle{
  display:none;
  background:none;
  border:none;
  cursor:pointer;
  flex-direction:column;
  gap:6px;
}
.nav__toggle span{
  display:block;
  width:24px;
  height:2px;
  background:#fff;
  transition:0.3s;
}
@media (max-width:768px){
  .nav__toggle{ display:flex; }
  .nav__menu{
    position:fixed;
    top:80px;
    right:0;
    width:100%;
    height:0;
    background:var(--bg-body);
    flex-direction:column;
    align-items:center;
    justify-content:center;
    overflow:hidden;
    transition:height 0.4s var(--easing);
    gap:20px;
  }
  .nav__menu.is-active{ height:calc(100vh - 80px); }
}

/* --- HERO (Top page) --- */
.hero{
  height:100vh;
  position:relative;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  overflow:hidden;
  padding-top:80px;
}
.hero__bg{
  position:absolute;
  inset:0;
  z-index:-2;
  opacity:0.55;
}
.hero__bg img{
  width:100%;
  height:100%;
  object-fit:cover;
  will-change:transform;
  transform:scale(1.03);
  filter:contrast(1.05) brightness(0.70);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(700px 420px at 72% 18%, var(--accent-soft), transparent 60%),
    radial-gradient(520px 360px at 15% 10%, rgba(255,255,255,0.06), transparent 55%),
    linear-gradient(to bottom, rgba(0,0,0,0.20), rgba(0,0,0,0.92));
}
.hero__title{
  font-size:clamp(3rem,8vw,6rem);
  font-weight:700;
  letter-spacing:-0.03em;
  line-height:1;
  margin-bottom:10px;
}
.hero__subtitle{
  color:var(--text-secondary);
  font-size:1.05rem;
  line-height:1.85;
  max-width:56ch;
  margin-inline:auto;
}
.hero .scroll-indicator{
  position:absolute;
  bottom:30px;
  font-size:0.8rem;
  color:var(--text-secondary);
  opacity:0.75;
  letter-spacing:0.12em;
  text-transform:uppercase;
}
.hero .scroll-indicator::after{
  content:"";
  display:block;
  width:1px;
  height:34px;
  margin:10px auto 0;
  background:linear-gradient(180deg, rgba(255,255,255,0.0), rgba(255,255,255,0.55), rgba(255,255,255,0.0));
  animation:scrollPulse 1.7s var(--easing) infinite;
}
@keyframes scrollPulse{
  0%{ opacity:.35; transform:translateY(-6px); }
  50%{ opacity:.95; transform:translateY(0); }
  100%{ opacity:.35; transform:translateY(6px); }
}

/* --- Page HERO (Sub pages) --- */
.page-hero{
  position:relative;
  min-height:78vh;
  padding-top:80px;
  display:grid;
  place-items:center;
  text-align:center;
  overflow:hidden;
}
.page-hero__bg{
  position:absolute;
  inset:0;
  z-index:-2;
  opacity:0.55;
}
.page-hero__bg img{
  width:100%;
  height:100%;
  object-fit:cover;
  will-change:transform;
  transform:scale(1.03);
  filter:contrast(1.05) brightness(0.75);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(600px 380px at 72% 18%, var(--accent-soft), transparent 60%),
    radial-gradient(520px 360px at 15% 10%, rgba(255,255,255,0.06), transparent 55%),
    linear-gradient(to bottom, rgba(0,0,0,0.25), rgba(0,0,0,0.92));
}
.page-hero__content{
  width:min(920px, calc(100% - 48px));
  margin:0 auto;
  padding:40px 0;
}
.page-hero__eyebrow{
  color:rgba(255,255,255,0.75);
  font-size:0.78rem;
  letter-spacing:0.18em;
  text-transform:uppercase;
  margin-bottom:18px;
  opacity:0.9;
}
.page-hero__title{
  font-size:clamp(2.8rem,6vw,4.6rem);
  font-weight:700;
  letter-spacing:-0.03em;
  line-height:1.05;
  margin-bottom:14px;
}
.page-hero__lead{
  color:var(--text-secondary);
  font-size:1.05rem;
  line-height:1.85;
  margin:0 auto 26px;
  max-width:52ch;
}
.page-hero__cta{
  display:flex;
  gap:12px;
  justify-content:center;
  flex-wrap:wrap;
}

/* --- Sections --- */
.section{ padding:100px 0; }
.section--alt{
  background:linear-gradient(to bottom, rgba(255,255,255,0.02), rgba(255,255,255,0));
  border-top:1px solid rgba(255,255,255,0.06);
  border-bottom:1px solid rgba(255,255,255,0.06);
}

/* --- CTA Box --- */
.cta-box{
  background:var(--bg-card);
  border-radius:22px;
  padding:28px;
  border:1px solid rgba(255,255,255,0.06);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  box-shadow:
    var(--shadow-deep),
    0 0 0 1px var(--accent-line) inset,
    0 0 60px var(--accent-soft) inset;
}
.cta-box h3{
  font-size:1.25rem;
  letter-spacing:-0.01em;
  margin-bottom:8px;
}
.cta-box p{
  color:var(--text-secondary);
  font-size:0.95rem;
  line-height:1.75;
}
@media (max-width:768px){
  .cta-box{ flex-direction:column; align-items:flex-start; }
  .cta-box .btn-primary{ width:100%; }
  .headline-sm{ font-size:1.6rem; }
  .page-hero__lead,
  .hero__subtitle{ font-size:1rem; }
}

/* --- Bento Grid (Top page section) --- */
.bento-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
@media (max-width:768px){
  .bento-grid{ grid-template-columns:1fr; }
}
.bento-card{
  background-color:var(--bg-card);
  border-radius:20px;
  overflow:hidden;
  position:relative;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:30px;
  min-height:360px;
  border:1px solid rgba(255,255,255,0.05);
  transition:transform 0.4s var(--easing), box-shadow 0.4s var(--easing);
}
.bento-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-mid);
}
.bento-card--large{ grid-column:span 2; min-height:500px; }
.bento-card--wide{
  grid-column:span 2;
  min-height:200px;
  align-items:flex-start;
  justify-content:center;
}
@media (max-width:768px){
  .bento-card--large{ grid-column:span 1; }
  .bento-card--wide{ grid-column:span 1; }
}
.bento-card__bg{
  position:absolute;
  inset:0;
  z-index:0;
}
.bento-card__bg img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:0.42;
  transition:transform 0.6s var(--easing), opacity 0.6s var(--easing);
  filter:saturate(0.92);
}
.bento-card:hover .bento-card__bg img{
  transform:scale(1.05);
  opacity:0.6;
}
.bento-card__bg::after{
  content:"";
  position:absolute;
  bottom:0;
  width:100%;
  height:82%;
  background:linear-gradient(to top, rgba(0,0,0,0.90), transparent);
}
.bento-card__content{
  position:relative;
  z-index:1;
  pointer-events:none;
}
.bento-card__content-only{
  position:relative;
  z-index:1;
}
.bento-card h3{
  font-size:1.5rem;
  margin-bottom:10px;
  letter-spacing:-0.01em;
}
.bento-card p{
  font-size:0.9rem;
  color:#ccc;
  margin-bottom:15px;
  line-height:1.8;
}
.bento-card .category{
  font-size:0.72rem;
  color:rgba(255,127,0,0.95);
  text-transform:uppercase;
  letter-spacing:0.14em;
  font-weight:700;
}
.bento-card .link-arrow{
  display:inline-block;
  font-size:0.85rem;
  transition:0.3s var(--easing);
  letter-spacing:0.02em;
}
.bento-card:hover .link-arrow{
  color:var(--accent-core);
  padding-left:6px;
}

/* --- Work Showcase --- */
.work-showcase{
  display:block;
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,0.06);
}
.work-showcase:hover img{ transform:scale(1.03); }
.work-showcase__image{
  height:500px;
  overflow:hidden;
}
.work-showcase__image img{
  transition:transform 0.6s var(--easing);
  object-fit:cover;
  height:100%;
  filter:saturate(0.92) contrast(1.04);
}
.work-showcase__image .badge{
  position:absolute;
  top:20px;
  right:20px;
  padding:7px 12px;
  font-size:0.75rem;
  border-radius:999px;
  background:rgba(0,0,0,0.55);
  border:1px solid var(--accent-line);
  box-shadow:0 0 30px var(--accent-soft);
  color:rgba(255,255,255,0.92);
  letter-spacing:0.08em;
  backdrop-filter:blur(10px);
}
.work-showcase__info{
  position:absolute;
  bottom:0;
  width:100%;
  padding:30px;
  background:linear-gradient(to top, rgba(0,0,0,0.92), transparent);
}
.work-showcase__info h3{
  font-size:1.5rem;
  letter-spacing:-0.01em;
}
.work-showcase__info p{
  color:#ddd;
  font-size:0.9rem;
  margin-top:6px;
  line-height:1.8;
}


/* =========================================================
   Sub Pages Components (ADD)
   feature-grid / steps / faq / gallery / contact-form
   ========================================================= */

.feature-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:16px;
  margin-top:22px;
}
@media (max-width: 900px){
  .feature-grid{ grid-template-columns: 1fr; }
}
.feature-card{
  background: var(--bg-card);
  border-radius: 18px;
  padding: 18px;
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 0 0 1px rgba(255,127,0,0.10) inset;
}
.feature-card h3{
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.feature-card p{
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* Steps */
.steps{
  margin-top:16px;
  display:grid;
  gap:12px;
  list-style:none;
  padding:0;
}
.steps li{
  display:grid;
  grid-template-columns: 56px 1fr;
  gap:14px;
  align-items:flex-start;
  padding:16px;
  border-radius: 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}
.step-no{
  width:56px; height:56px;
  display:grid; place-items:center;
  border-radius: 16px;
  background: rgba(255,127,0,0.10);
  border: 1px solid rgba(255,127,0,0.20);
  color: rgba(255,255,255,0.92);
  font-weight: 700;
  letter-spacing: 0.08em;
}
.steps h3{
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.steps p{
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* FAQ */
.faq{
  margin-top: 16px;
  display:grid;
  gap:10px;
}
.faq details{
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 12px 14px;
}
.faq summary{
  cursor:pointer;
  list-style:none;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq details p{
  margin-top: 10px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* Checklist */
.checklist{
  margin-top: 14px;
  display:grid;
  gap:8px;
  padding-left: 0;
  list-style:none;
}
.checklist li{
  padding-left: 28px;
  position: relative;
  color: rgba(255,255,255,0.86);
  font-size: 0.95rem;
  line-height: 1.8;
}
.checklist li::before{
  content:"";
  position:absolute;
  left:0; top: 0.55em;
  width: 14px; height: 2px;
  background: var(--accent-core);
  box-shadow: 0 0 16px rgba(255,127,0,0.25);
  border-radius: 999px;
}

/* Gallery */
.gallery-grid{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:12px;
}
@media (max-width: 980px){
  .gallery-grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px){
  .gallery-grid{ grid-template-columns: 1fr; }
}
.gallery-item{
  position:relative;
  border-radius: 18px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
}
.gallery-item img{
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
  transition: transform .6s var(--easing);
}
.gallery-item:hover img{ transform: scale(1.04); }
.gallery-cap{
  position:absolute;
  left:0; right:0; bottom:0;
  padding: 10px 12px;
  background: linear-gradient(to top, rgba(0,0,0,0.86), transparent);
  color: rgba(255,255,255,0.90);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

/* Contact form */
.contact-form{
  margin-top: 10px;
  display:grid;
  gap:12px;
}
.field{
  display:grid;
  gap:8px;
}
.field > span{
  color: rgba(255,255,255,0.75);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
}
.field input,
.field textarea{
  width:100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 12px 14px;
  color: rgba(255,255,255,0.92);
  outline: none;
  transition: border-color .25s var(--easing), box-shadow .25s var(--easing);
}
.field input:focus,
.field textarea:focus{
  border-color: rgba(255,127,0,0.35);
  box-shadow: 0 0 0 1px rgba(255,127,0,0.20);
}
.form-note{
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.7;
}

/* contact page right column helper */
.contact-mini{
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}
.contact-mini h4{
  font-size: 1rem;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

/* --- Footer --- */
.footer{
  padding:60px 0 24px;
  border-top:1px solid #222;
  text-align:center;
}
.footer__grid{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:40px;
  gap:18px;
}
@media (max-width:768px){
  .footer__grid{
    flex-direction:column;
    align-items:flex-start;
    text-align:left;
  }
}
.footer__brand h2{
  font-size:1.2rem;
  letter-spacing:0.1em;
  margin-bottom:6px;
}
.footer__brand p{
  color:var(--text-secondary);
  font-size:0.9rem;
}
@media (max-width:768px){
  .footer__contact{ width:100%; }
  .footer__contact .btn-primary{ width:100%; }
}
.footer .copyright{
  color:#555;
  font-size:0.8rem;
}