/* ==========================================================================
   UNHOLD Inc. — style.css
   ========================================================================== */

:root{
  color-scheme: dark;
  --bg: #0a0a0b;
  --bg-raised: #131314;
  --ink: #f2f1ec;
  --ink-dim: #8c8b86;
  --line: #29292a;
  --brass: #cba565;
  --brass-dim: #7a6a48;

  /* fluid spacing scale — grows smoothly with viewport width instead of
     jumping at fixed breakpoints */
  --gutter: clamp(20px, 5vw, 64px);
  --section-space: clamp(72px, 12vw, 150px);
  --container: 1400px;
}

*{ margin:0; padding:0; box-sizing:border-box; }

html, body{
  background:#0a0a0b;
  background:var(--bg);
  min-height:100%;
  overscroll-behavior-y:none;
}

html{ scroll-behavior:smooth; }

body{
  color:#f2f1ec;
  color:var(--ink);
  font-family:'Zen Kaku Gothic New', sans-serif;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

header.hero, section.section, footer{
  background:#0a0a0b;
  background:var(--bg);
}

.latin{ font-family:'Space Grotesk', sans-serif; }
.mono{ font-family:'JetBrains Mono', monospace; }

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

::selection{ background:var(--brass); color:#0a0a0b; }

a:focus-visible, button:focus-visible{
  outline:2px solid var(--brass);
  outline-offset:4px;
}

/* Every full-bleed bar (nav, sections, footer) uses this same inner
   container so their content lines up on the same left/right edges
   no matter how wide the browser window is. */
.wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--gutter);
}

section{ position:relative; scroll-margin-top:90px; }

/* ---------- nav ---------- */
.nav-scrim{
  position:fixed;
  top:0; left:0; right:0;
  height:130px;
  background:linear-gradient(to bottom, rgba(10,10,11,0.9), rgba(10,10,11,0));
  z-index:40;
  pointer-events:none;
}
.nav{
  position:fixed;
  top:0; left:0; right:0;
  z-index:50;
  padding:22px 0;
}
.nav__inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--gutter);
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.nav__brand{
  display:flex;
  align-items:center;
  gap:9px;
}
.nav__chip{
  width:22px; height:22px;
  flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
}
.nav__chip img{
  width:100%; height:100%;
  object-fit:contain;
}
.nav__mark{
  font-size:15px;
  font-weight:700;
  letter-spacing:0.12em;
}
.nav__links{
  display:flex;
  gap:22px;
  font-family:'JetBrains Mono', monospace;
  font-size:12px;
  letter-spacing:0.04em;
  color:var(--ink-dim);
}
.nav__link{
  background:none;
  border:none;
  padding:0;
  margin:0;
  font:inherit;
  color:inherit;
  cursor:pointer;
  transition:color .3s ease;
  white-space:nowrap;
}
.nav__link:hover{ color:var(--ink); }

@media (max-width:640px){
  .nav{ padding:14px 0; }
  .nav__mark{ font-size:12px; }
  .nav__chip{ width:18px; height:18px; }
  .nav__brand{ gap:6px; }
  .nav__links{ gap:9px; font-size:9px; }
}
@media (max-width:360px){
  .nav__mark{ font-size:11px; }
  .nav__links{ gap:7px; font-size:8px; }
}

/* ---------- hero ---------- */
.hero{
  min-height:100vh;
  min-height:100svh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:clamp(120px, 18vw, 160px) var(--gutter) clamp(80px, 10vw, 110px);
}
.hero__inner{
  max-width:var(--container);
  margin:0 auto;
  width:100%;
  position:relative;
}

.eyebrow{
  font-family:'JetBrains Mono', monospace;
  font-size:12px;
  letter-spacing:0.1em;
  color:var(--brass);
  display:inline-block;
  margin-bottom:clamp(24px, 4vw, 40px);
}

/* the wordmark: printed directly onto the dark surface, not a floating card */
.hero-logo-wrap{
  position:relative;
  z-index:1;
  margin-left:-4px;
}
html.js .hero-logo-wrap{
  opacity:0;
  transform:translateY(18px);
  transition:transform 1.1s cubic-bezier(.16,1,.3,1), opacity 1.1s ease;
}
html.js body.opened .hero-logo-wrap{ opacity:1; transform:translateY(0); }
.hero-logo{
  display:block;
  width:min(58vw, 760px);
  height:auto;
}

.hero__body{
  margin-top:clamp(28px, 4vw, 44px);
  max-width:min(760px, 62vw);
  color:var(--ink-dim);
  font-size:clamp(19px, 2.4vw, 24px);
  line-height:1.8;
  position:relative;
  z-index:1;
}

.scrollcue{
  position:absolute;
  bottom:-56px;
  left:0;
  font-family:'JetBrains Mono', monospace;
  font-size:11px;
  color:var(--ink-dim);
  letter-spacing:0.08em;
  display:flex;
  align-items:center;
  gap:10px;
}
.scrollcue__line{
  width:32px; height:1px; background:var(--ink-dim);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{ 0%,100%{opacity:.3} 50%{opacity:1} }

@media (max-width:640px){
  .scrollcue{ display:none; }
}

/* ---------- section heading pattern ---------- */
.section{
  padding:var(--section-space) 0;
  border-top:1px solid var(--line);
}
.section__head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:40px;
  margin-bottom:clamp(40px, 6vw, 64px);
  flex-wrap:wrap;
}
.section__label{
  font-family:'JetBrains Mono', monospace;
  font-size:13px;
  letter-spacing:0.06em;
  color:var(--brass);
}
.section__num{
  font-family:'JetBrains Mono', monospace;
  font-size:13px;
  color:var(--ink-dim);
}

/* ---------- mission / vision ---------- */
.statement-block + .statement-block{
  margin-top:clamp(56px, 8vw, 96px);
  padding-top:clamp(56px, 8vw, 96px);
  border-top:1px solid var(--line);
}
.statement__eyebrow{
  font-family:'JetBrains Mono', monospace;
  font-size:12px;
  letter-spacing:0.08em;
  color:var(--ink-dim);
  display:block;
  margin-bottom:24px;
}
.statement__text{
  font-size:clamp(26px, 4.2vw, 54px);
  font-weight:900;
  line-height:1.5;
  max-width:1080px;
  letter-spacing:-0.01em;
}
.statement__text em{
  font-style:normal;
  color:var(--brass);
}
.statement__body{
  margin-top:32px;
  max-width:min(760px, 62vw);
  color:var(--ink-dim);
  font-size:16px;
}

/* ---------- business ---------- */
.biz-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
@media (max-width:800px){
  .biz-grid{ grid-template-columns:1fr; }
}
.biz-card{
  background:var(--bg);
  padding:clamp(32px, 4vw, 52px) clamp(24px, 3.6vw, 44px);
  transition:background .4s ease;
}
.biz-card:hover{ background:var(--bg-raised); }
.biz-card__tag{
  font-family:'JetBrains Mono', monospace;
  font-size:12px;
  color:var(--ink-dim);
  margin-bottom:24px;
  display:block;
}
.biz-card__title{
  font-size:clamp(28px, 2.8vw, 38px);
  font-weight:700;
  letter-spacing:-0.01em;
  margin-bottom:10px;
}
.biz-card__subtitle{
  font-size:13px;
  color:var(--brass);
  letter-spacing:0.02em;
  margin-bottom:24px;
  display:block;
}
.biz-card__desc{
  color:var(--ink-dim);
  font-size:15px;
  max-width:440px;
}
.biz-card__link{
  display:inline-block;
  margin-top:24px;
  font-family:'JetBrains Mono', monospace;
  font-size:12px;
  letter-spacing:0.04em;
  border-bottom:1px solid var(--ink-dim);
  padding-bottom:2px;
  transition:border-color .3s ease, color .3s ease;
}
.biz-card__link:hover{ border-color:var(--brass); color:var(--brass); }

/* ---------- company ---------- */
.company-table{
  width:100%;
  border-collapse:collapse;
}
.company-table tr{
  border-top:1px solid var(--line);
}
.company-table tr:last-child{ border-bottom:1px solid var(--line); }
.company-table th, .company-table td{
  text-align:left;
  padding:26px 16px;
  font-weight:400;
  vertical-align:top;
}
.company-table th{
  width:180px;
  font-family:'JetBrains Mono', monospace;
  font-size:12px;
  color:var(--ink-dim);
  letter-spacing:0.04em;
  padding-top:28px;
}
.company-table td{
  font-size:16px;
}
@media (max-width:600px){
  .company-table, .company-table tbody, .company-table tr, .company-table th, .company-table td{
    display:block;
    width:100%;
  }
  .company-table tr{ padding:22px 0; }
  .company-table th{ padding:0 0 10px; }
  .company-table td{ padding:0; font-size:15px; }
}
.placeholder{ color:var(--ink-dim); }
.placeholder::after{
  content:" ※取得準備中";
  font-family:'JetBrains Mono', monospace;
  font-size:11px;
  color:var(--brass-dim);
}

/* ---------- contact ---------- */
.contact{ text-align:left; }
.contact__statement{
  font-size:clamp(28px, 4.6vw, 48px);
  font-weight:900;
  max-width:760px;
  letter-spacing:-0.01em;
  margin-bottom:24px;
}
.contact__lead{
  max-width:min(720px, 62vw);
  color:var(--ink-dim);
  font-size:15px;
  margin-bottom:clamp(40px, 6vw, 56px);
}

.contact-form{ max-width:560px; }
.contact-form__row{ margin-bottom:32px; }
.contact-form__label{
  display:block;
  font-size:12px;
  letter-spacing:0.06em;
  color:var(--ink-dim);
  margin-bottom:12px;
}
.contact-form__label .req{ color:var(--brass); }
.contact-form__label .opt{ color:var(--ink-dim); opacity:0.6; }
.contact-form__input{
  width:100%;
  background:transparent;
  border:none;
  border-bottom:1px solid var(--line);
  color:var(--ink);
  font-family:'Zen Kaku Gothic New', sans-serif;
  font-size:16px;
  padding:10px 2px;
  transition:border-color .3s ease;
}
.contact-form__input::placeholder{ color:var(--ink-dim); opacity:0.5; }
.contact-form__input:focus{ outline:none; border-color:var(--brass); }
.contact-form__textarea{
  resize:vertical;
  min-height:88px;
  line-height:1.6;
}
.contact-form__submit{
  background:none;
  border-bottom:1px solid var(--ink);
  cursor:pointer;
  margin-top:8px;
}
.contact-form__note{
  margin-top:20px;
  font-size:11px;
  color:var(--ink-dim);
  letter-spacing:0.02em;
}

.cta{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-family:'JetBrains Mono', monospace;
  font-size:14px;
  letter-spacing:0.04em;
  padding:20px 8px;
  border-bottom:1px solid var(--ink);
  transition:gap .35s cubic-bezier(.16,1,.3,1), border-color .35s ease, color .35s ease;
}
.cta:hover{ gap:22px; border-color:var(--brass); color:var(--brass); }
.cta__bracket{ color:var(--brass); }

/* ---------- footer ---------- */
footer{
  padding:48px 0 60px;
  border-top:1px solid var(--line);
}
.footer__row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:16px;
  font-family:'JetBrains Mono', monospace;
  font-size:11px;
  color:var(--ink-dim);
  letter-spacing:0.04em;
}

/* ---------- reveal on scroll ---------- */
/* default: fully visible (works with no JS / limited renderers) */
html.js .reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .9s cubic-bezier(.16,1,.3,1), transform .9s cubic-bezier(.16,1,.3,1);
}
html.js .reveal.is-visible{ opacity:1; transform:translateY(0); }

@media (prefers-reduced-motion: reduce){
  *{ transition-duration:0.01ms !important; animation-duration:0.01ms !important; }
  html{ scroll-behavior:auto; }
  html.js .hero-logo-wrap{ opacity:1; transform:none; }
  html.js .reveal{ opacity:1; transform:none; }
}