/* ============ Direction B — KINETIC (LIGHT / moving type on white) ============ */
:root{ --c-create:#E60012; --c-deliver:#0075C2; --c-kind:#EC6300; }
body{ background:var(--paper); color:var(--ink); }
::selection{ background:var(--ink); color:var(--paper); }
.wordmark{ font-family:var(--latin); font-weight:700; letter-spacing:.12em; font-size:1.05rem; }

/* Header */
.hdr{ position:fixed; inset:0 0 auto 0; z-index:50; display:flex; align-items:center; justify-content:space-between;
  padding:18px var(--gut); transition:background .4s var(--ease), border-color .4s; border-bottom:1px solid transparent; }
.hdr[data-scrolled]{ background:rgba(255,255,255,.82); backdrop-filter:blur(12px); border-bottom:1px solid var(--line); }
.nav{ display:flex; gap:26px; align-items:center; }
.nav a[data-nav]{ font-family:var(--mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; color:var(--grey-500); transition:color .3s; position:relative; }
.nav a[data-nav]:hover, .nav a[data-active]{ color:var(--ink); }
.nav a[data-active]::after{ content:""; position:absolute; left:0; bottom:-6px; width:100%; height:1px; background:var(--ink); }
.nav .btn{ padding:.7em 1.2em; }

.shell{ padding-inline:var(--gut); }
.maxw{ max-width:1800px; margin-inline:auto; }

/* ---- Hero ---- */
.hero{ min-height:100svh; position:relative; display:flex; flex-direction:column; justify-content:center; overflow:hidden; padding:120px 0 0; }
.hero__meta{ display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; padding:0 var(--gut); }
.hero__kinetic{ margin:clamp(20px,4vh,52px) 0; }
.hero__line{ font-family:var(--latin); font-weight:700; letter-spacing:-.04em; line-height:.86; font-size:clamp(4rem,18vw,18rem);
  white-space:nowrap; will-change:transform; }
.hero__line .colon{ color:var(--grey-300); font-weight:400; }
.hero__line--a{ padding-left:8vw; }
.hero__line--b{ padding-left:24vw; color:transparent; -webkit-text-stroke:1.4px var(--grey-300); }
.hero__foot{ display:flex; justify-content:space-between; align-items:flex-end; gap:40px; flex-wrap:wrap;
  padding:clamp(24px,4vh,48px) var(--gut) clamp(34px,5vh,54px); border-top:1px solid var(--line); margin-top:auto; }
.hero__lead{ font-family:var(--jp); font-weight:700; font-size:var(--fs-h3); line-height:1.4; margin:0; max-width:20ch; }
.hero__desc{ color:var(--grey-500); max-width:40ch; margin:0; }

/* ---- Marquee band ---- */
.band{ border-block:1px solid var(--line); padding:22px 0; }
.band .marquee__row{ font-family:var(--latin); font-weight:700; font-size:clamp(1.6rem,4vw,3rem); letter-spacing:-.02em; }
.band .marquee__row .sep{ color:var(--grey-300); }
.band .marquee__row .out{ color:transparent; -webkit-text-stroke:1px var(--grey-300); }

/* ---- Section base ---- */
.sec{ padding-block:var(--sec-y); }
.sec--ink{ background:var(--ink); color:var(--paper); }
.sec--ink .kicker{ color:var(--grey-400); }
.sechead{ display:flex; justify-content:space-between; align-items:flex-end; gap:30px; flex-wrap:wrap; margin-bottom:clamp(40px,6vh,72px); }
.sechead h2{ font-family:var(--jp); font-weight:900; font-size:var(--fs-h2); line-height:1.06; margin:.4em 0 0; letter-spacing:-.01em; }
.sechead__lead{ font-size:var(--fs-lead); max-width:42ch; margin:0; color:inherit; opacity:.78; }

/* ---- Philosophy three (kinetic words) ---- */
.three2{ display:flex; flex-direction:column; border-top:1px solid var(--line); }
.three2__row{ display:grid; grid-template-columns:auto 1fr auto; gap:var(--gut); align-items:center;
  padding:clamp(22px,3vw,40px) 0; border-bottom:1px solid var(--line); }
.three2__no{ font-family:var(--mono); font-weight:700; color:var(--grey-400); font-size:.85rem; }
.three2__kw{ font-family:var(--jp); font-weight:900; font-size:clamp(2.6rem,9vw,7rem); line-height:.95; display:flex; align-items:baseline; gap:.4em; }
.three2__kw .en{ font-family:var(--latin); font-size:clamp(.9rem,1.6vw,1.4rem); letter-spacing:.1em; color:var(--grey-400); text-transform:uppercase; }
.three2__txt{ color:var(--grey-500); max-width:30ch; font-size:.95rem; text-align:right; }

/* ---- Tri-color brand accent (from logo: blue 創る / orange 伝える / red やさしい) ---- */
.three2__row:nth-child(1) .three2__kw{ color:var(--c-create); }
.three2__row:nth-child(2) .three2__kw{ color:var(--c-deliver); }
.three2__row:nth-child(3) .three2__kw{ color:var(--c-kind); }
.band .marquee__row .c1{ color:var(--c-create); }
.band .marquee__row .c2{ color:var(--c-deliver); }
.band .marquee__row .c3{ color:var(--c-kind); }
.contact__k.k1{ color:var(--paper); }
.contact__k.k2{ color:var(--paper); }
.contact__k.k3{ color:var(--paper); }

/* ---- Services (sticky index + stacked big type) ---- */
.svc{ display:grid; grid-template-columns:minmax(0,4fr) minmax(0,8fr); gap:var(--gut); }
.svc__rail{ position:sticky; top:14vh; align-self:start; height:max-content; }
.svc__rail .now{ font-family:var(--latin); font-weight:700; font-size:clamp(5rem,16vw,15rem); line-height:.8; }
.svc__rail .lbl{ font-family:var(--mono); text-transform:uppercase; letter-spacing:.16em; font-size:.78rem; color:var(--grey-500); margin-top:18px; display:block; }
.svc__rail .tot{ color:var(--grey-300); }
.svc__list{ display:flex; flex-direction:column; }
.svc__item{ padding:clamp(34px,7vh,90px) 0; border-top:1px solid var(--line); }
.svc__item:first-child{ border-top:0; padding-top:0; }
.svc__k{ font-family:var(--mono); text-transform:uppercase; letter-spacing:.16em; font-size:.74rem; color:var(--grey-500); display:flex; gap:14px; align-items:center; margin-bottom:22px; }
.svc__k .n{ color:var(--ink); }
.svc__h{ font-family:var(--jp); font-weight:900; font-size:clamp(1.7rem,3.6vw,2.9rem); line-height:1.16; letter-spacing:-.01em; margin:0 0 22px; }
.svc__p{ color:var(--grey-700); margin:0 0 26px; max-width:58ch; }

/* ---- Company ---- */
.coinfo{ border-top:1px solid var(--line); }
.coinfo__row{ display:grid; grid-template-columns:minmax(180px,3fr) minmax(0,9fr); gap:var(--gut); padding:24px 0; border-bottom:1px solid var(--line); align-items:start; }
.coinfo__k{ font-family:var(--mono); text-transform:uppercase; letter-spacing:.1em; font-size:.74rem; color:var(--grey-500); }
.coinfo__v{ margin:0; }
.coinfo__v ul{ margin:0; padding:0; list-style:none; display:flex; flex-direction:column; gap:9px; }
.coinfo__v li{ padding-left:1.3em; position:relative; color:var(--grey-700); }
.coinfo__v li::before{ content:"—"; position:absolute; left:0; color:var(--grey-400); }

/* ---- Contact (inverted bookend on white page) ---- */
.contact{ background:var(--ink); color:var(--paper); padding:clamp(60px,11vh,150px) 0 clamp(50px,8vh,90px); margin-top:clamp(60px,9vh,120px); overflow:hidden; }
.contact .kicker{ color:var(--grey-400); }
.contact__big{ font-family:var(--latin); font-weight:700; letter-spacing:-.035em; line-height:.84; font-size:clamp(3.2rem,15vw,15rem); padding:0 var(--gut); margin:.2em 0 0; }
.contact__big .colon{ color:var(--grey-700); font-weight:400; }
.contact__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:var(--gut); margin-top:clamp(40px,6vh,70px); border-top:1px solid var(--line-inv); padding:40px var(--gut) 0; }
.contact__k{ font-family:var(--mono); text-transform:uppercase; letter-spacing:.12em; font-size:.72rem; color:var(--grey-400); margin:0 0 12px; }
.contact__v{ margin:0; line-height:1.7; }
.contact__v a{ border-bottom:1px solid var(--line-inv); transition:border-color .3s; }
.contact__v a:hover{ border-color:var(--paper); }
.contact__cta{ display:flex; gap:16px; flex-wrap:wrap; padding:46px var(--gut) 0; }

/* ---- Footer ---- */
.foot{ background:var(--ink); color:var(--paper); padding:40px var(--gut); display:flex; justify-content:space-between; align-items:center; gap:20px; flex-wrap:wrap; border-top:1px solid var(--line-inv); }
.foot__nav{ display:flex; gap:24px; }
.foot__nav a{ font-family:var(--mono); font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color:var(--grey-400); transition:color .3s; }
.foot__nav a:hover{ color:var(--paper); }
.foot__cr{ font-family:var(--mono); font-size:.68rem; letter-spacing:.06em; color:var(--grey-500); }

/* ================================================================
   Mobile — 767px unified breakpoint
   ================================================================ */
@media(max-width:767px){
  /* ---- Header ---- */
  .nav a[data-nav]{ display:none; }

  /* ---- Hero foot: stack ---- */
  .hero__foot{ flex-direction:column; align-items:flex-start; gap:1.5rem; }
  .hero__lead, .hero__desc{ max-width:none; }

  /* ---- Section heading: stack ---- */
  .sechead{ flex-direction:column; align-items:flex-start; gap:1.25rem; }
  .sechead__lead{ max-width:none; width:100%; }

  /* ---- Philosophy three ---- */
  .three2__row{ grid-template-columns:1fr; gap:0.625rem; }
  .three2__txt{ text-align:left; }

  /* ---- Services ---- */
  .svc{ grid-template-columns:1fr; }
  .svc__rail{ position:static; display:flex; align-items:baseline; gap:1.125rem; margin-bottom:1.875rem; }
  .svc__rail .now{ font-size:4rem; }
  .svc__rail .lbl{ margin-top:0; }

  /* ---- Company ---- */
  .coinfo__row{ grid-template-columns:1fr; gap:0.375rem; }

.contact__grid{ grid-template-columns:1fr; gap:1.625rem; }

  /* ---- Footer: stack ---- */
  .foot{ flex-direction:column; align-items:flex-start; gap:1rem; }

  /* ---- Prevent horizontal scroll from kinetic elements ---- */
  body{ overflow-x:hidden; }
}

/* ---- Page Top (fixed) ---- */
.to-top{ position:fixed; bottom:32px; right:var(--gut); z-index:40; opacity:0; pointer-events:none; transition:opacity .4s var(--ease), transform .4s var(--ease); transform:translateY(8px); }
.to-top[data-visible]{ opacity:1; pointer-events:auto; transform:translateY(0); }