@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;600;800&family=Zen+Kaku+Gothic+New:wght@400;500;700&display=swap');

:root{
  --paper:#f4efe4;
  --paper-2:#ece3d3;
  --ink:#1c1814;
  --ink-soft:#4c443b;
  --ink-mute:#938a7c;
  --accent:#a23a24;
  --line:rgba(28,21,14,.15);
  --serif:'Shippori Mincho', serif;
  --sans:'Zen Kaku Gothic New', sans-serif;
  --pad: clamp(24px, 6vw, 96px);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-weight:400;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;background:none;border:none;color:inherit;}
::selection{background:var(--accent);color:var(--paper);}

.noise{
  position:fixed;inset:0;pointer-events:none;z-index:2;
  opacity:.035;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- layout helpers ---------- */
.wrap{padding-left:var(--pad);padding-right:var(--pad);}
.section{position:relative;padding:clamp(90px,14vh,160px) 0;border-top:1px solid var(--line);}
.section--alt{background:var(--paper-2);}
.eyebrow{
  display:flex;align-items:center;gap:14px;
  font-size:.78rem;letter-spacing:.22em;color:var(--ink-mute);
  margin-bottom:clamp(28px,5vw,56px);
}
.eyebrow__num{color:var(--accent);font-family:var(--serif);font-size:1rem;}
.eyebrow__line{flex:0 0 40px;height:1px;background:var(--line);}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:300;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px var(--pad);
  transition:background .35s ease, padding .35s ease, border-color .35s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(244,239,228,.92);
  backdrop-filter:blur(6px);
  padding-top:14px;padding-bottom:14px;
  border-bottom-color:var(--line);
}
.logo{
  font-family:var(--serif);font-weight:600;font-size:1.15rem;
  letter-spacing:.14em;
}
.logo span{color:var(--accent);}
.nav-desktop{display:flex;gap:clamp(20px,3vw,44px);}
.nav-desktop a{
  font-size:.78rem;letter-spacing:.14em;color:var(--ink-soft);
  position:relative;padding-bottom:4px;
}
.nav-desktop a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--accent);
  transition:width .3s ease;
}
.nav-desktop a:hover::after,.nav-desktop a.is-active::after{width:100%;}
.nav-desktop a.is-active{color:var(--ink);}

.menu-toggle{display:none;font-size:.78rem;letter-spacing:.2em;}
.menu-toggle__line{display:block;width:26px;height:1px;background:var(--ink);margin:6px 0;transition:transform .3s ease, opacity .3s ease;}
.menu-toggle.is-open .menu-toggle__line:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.is-open .menu-toggle__line:nth-child(2){opacity:0;}
.menu-toggle.is-open .menu-toggle__line:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.nav-mobile{
  display:none;
  position:fixed;inset:0 0 0 0;top:64px;
  background:#f4efe4;
  z-index:250;
  transform:translateX(100%);
  transition:transform .32s ease;
  will-change:transform;
  padding:40px var(--pad);
}
.nav-mobile.is-open{transform:translateX(0);}
.nav-mobile a{display:block;font-family:var(--serif);font-size:1.5rem;padding:14px 0;border-bottom:1px solid var(--line);}

/* ---------- side index ---------- */
.side-index{
  position:fixed;right:22px;top:50%;transform:translateY(-50%);
  z-index:200;display:flex;flex-direction:column;gap:18px;
  align-items:center;
}
.side-index a{
  width:8px;height:8px;border-radius:50%;border:1px solid var(--ink-mute);
  display:block;position:relative;transition:background .3s ease,border-color .3s ease;
}
.side-index a.is-active{background:var(--accent);border-color:var(--accent);}
.side-index a span{
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:.7rem;letter-spacing:.14em;white-space:nowrap;
  opacity:0;transition:opacity .25s ease;color:var(--ink-soft);
}
.side-index a:hover span{opacity:1;}

/* ---------- hero ---------- */
.hero{
  min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  padding-top:120px;padding-bottom:80px;position:relative;
}
.hero__tag{
  font-size:.78rem;letter-spacing:.2em;color:var(--ink-mute);margin-bottom:28px;
}
.hero__title{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(2.6rem,7.4vw,6.2rem);
  line-height:1.28;letter-spacing:.02em;margin:0;
}
.hero__title .reveal-line{display:block;overflow:hidden;}
.hero__title .reveal-line span{display:block;transform:translateY(110%);transition:transform .9s cubic-bezier(.22,1,.36,1);}
.hero__title.is-in .reveal-line span{transform:translateY(0);}
.hero__title .reveal-line:nth-child(2) span{transition-delay:.12s;}

.hero__sub{
  margin-top:clamp(28px,4vw,44px);
  max-width:34em;
  font-size:clamp(1rem,1.6vw,1.15rem);
  color:var(--ink-soft);
  opacity:0;transform:translateY(14px);
  transition:opacity .8s ease .5s, transform .8s ease .5s;
}
.hero__sub.is-in{opacity:1;transform:translateY(0);}

.hero__scroll{
  position:absolute;left:var(--pad);bottom:36px;
  display:flex;align-items:center;gap:12px;
  font-size:.72rem;letter-spacing:.22em;color:var(--ink-mute);
}
.hero__scroll i{display:block;width:1px;height:44px;background:var(--line);position:relative;overflow:hidden;}
.hero__scroll i::after{
  content:"";position:absolute;left:0;top:-100%;width:100%;height:100%;background:var(--accent);
  animation:scrollLine 2.2s ease-in-out infinite;
}
@keyframes scrollLine{
  0%{top:-100%;}
  55%{top:100%;}
  100%{top:100%;}
}

/* ---------- philosophy ---------- */
.philosophy__grid{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:clamp(30px,6vw,80px);
  align-items:start;
}
.philosophy__quote{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(1.5rem,2.9vw,2.3rem);
  line-height:1.95;color:var(--ink);
}
.philosophy__quote em{
  color:var(--accent);font-style:normal;
}
.philosophy__note{
  border-left:1px solid var(--line);
  padding-left:clamp(20px,3vw,36px);
  color:var(--ink-soft);
  font-size:1rem;
  margin-top:clamp(60px,10vw,120px);
}
.philosophy__note p + p{margin-top:1.1em;}

/* ---------- approach ---------- */
.approach__intro{
  font-family:var(--serif);font-size:clamp(1.3rem,2.4vw,1.9rem);
  max-width:20em;margin-bottom:clamp(50px,8vw,90px);
}
.approach__list{border-top:1px solid var(--line);}
.approach__item{
  display:grid;grid-template-columns:90px minmax(0,1fr) minmax(0,1.3fr);
  gap:clamp(16px,3vw,40px);
  padding:clamp(26px,4vw,40px) 0;
  border-bottom:1px solid var(--line);
  align-items:baseline;
}
.approach__num{font-family:var(--serif);color:var(--accent);font-size:1.05rem;}
.approach__name{font-family:var(--serif);font-size:clamp(1.15rem,2vw,1.5rem);font-weight:500;}
.approach__desc{color:var(--ink-soft);font-size:.98rem;max-width:32em;}

/* ---------- marquee ---------- */
.marquee{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:22px 0;overflow:hidden;white-space:nowrap;
}
.marquee__track{display:inline-block;animation:marquee 26s linear infinite;}
.marquee__track span{
  font-family:var(--serif);font-size:clamp(1.1rem,2.4vw,1.7rem);
  padding:0 28px;color:var(--ink-mute);
}
.marquee__track span i{color:var(--accent);font-style:normal;padding-right:28px;}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- track record ---------- */
.stats{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;background:var(--line);
  border:1px solid var(--line);
}
.stat{background:var(--paper);padding:clamp(30px,5vw,56px);}
.stat__num{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(2.1rem,5.4vw,3.6rem);color:var(--ink);
  display:block;
}
.stat__label{margin-top:14px;color:var(--ink-soft);font-size:.92rem;max-width:22em;}

/* ---------- stance ---------- */
.stance{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:clamp(30px,6vw,80px);
}
.stance__mark{
  writing-mode:vertical-rl;
  font-family:var(--serif);font-size:.85rem;letter-spacing:.3em;color:var(--ink-mute);
  height:100%;
}
.stance__body p{
  font-family:var(--serif);
  font-size:clamp(1.3rem,2.6vw,1.9rem);
  line-height:2;color:var(--ink);
  margin:0 0 1.1em;
}
.stance__body p:last-child{color:var(--ink-soft);font-family:var(--sans);font-size:1rem;line-height:1.9;margin-top:2em;}

/* ---------- contact ---------- */
.contact{text-align:left;}
.contact__title{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(2rem,5.6vw,3.6rem);margin:0 0 30px;
}
.contact__cta{
  display:inline-flex;align-items:center;gap:16px;
  border:1px solid var(--ink);padding:18px 34px;
  font-size:.9rem;letter-spacing:.14em;
  transition:background .3s ease,color .3s ease;
}
.contact__cta:hover{background:var(--ink);color:var(--paper);}
.contact__note{margin-top:22px;color:var(--ink-mute);font-size:.88rem;}
.contact__service{margin-top:60px;padding-top:26px;border-top:1px solid var(--line);font-size:.85rem;color:var(--ink-soft);}
.contact__service a{border-bottom:1px solid var(--ink-mute);}

/* ---------- footer ---------- */
.site-footer{
  padding:36px var(--pad) 44px;
  display:flex;justify-content:space-between;align-items:flex-end;
  font-size:.78rem;color:var(--ink-mute);letter-spacing:.06em;
  flex-wrap:wrap;gap:16px;
}
.site-footer .logo{font-size:.95rem;}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s ease, transform .9s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}
.reveal-stagger > *{opacity:0;transform:translateY(20px);transition:opacity .7s ease, transform .7s ease;}
.reveal-stagger.is-visible > *{opacity:1;transform:translateY(0);}
.reveal-stagger.is-visible > *:nth-child(1){transition-delay:.05s;}
.reveal-stagger.is-visible > *:nth-child(2){transition-delay:.15s;}
.reveal-stagger.is-visible > *:nth-child(3){transition-delay:.25s;}
.reveal-stagger.is-visible > *:nth-child(4){transition-delay:.35s;}

/* ---------- modal ---------- */
.modal-overlay{
  position:fixed;inset:0;z-index:400;
  background:rgba(28,21,14,.55);
  display:flex;align-items:center;justify-content:center;
  padding:24px;
  opacity:0;pointer-events:none;
  transition:opacity .3s ease;
}
.modal-overlay.is-open{opacity:1;pointer-events:auto;}
.modal{
  background:#f4efe4;max-width:480px;width:100%;
  padding:clamp(30px,5vw,52px);
  border:1px solid var(--line);
  position:relative;
  transform:translateY(18px);
  transition:transform .35s ease;
}
.modal-overlay.is-open .modal{transform:translateY(0);}
.modal__close{position:absolute;top:20px;right:22px;font-size:1.3rem;color:var(--ink-mute);line-height:1;}
.modal h3{font-family:var(--serif);font-size:1.5rem;margin:0 0 8px;}
.modal p.modal__lead{color:var(--ink-soft);font-size:.9rem;margin:0 0 28px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:.78rem;letter-spacing:.08em;color:var(--ink-soft);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;border:none;border-bottom:1px solid var(--line);
  background:transparent;padding:10px 2px;font-family:var(--sans);font-size:.95rem;color:var(--ink);
}
.field input:focus,.field textarea:focus{outline:none;border-bottom-color:var(--accent);}
.field textarea{resize:vertical;min-height:80px;}
.modal button[type="submit"]{
  margin-top:8px;width:100%;border:1px solid var(--ink);padding:14px;
  font-size:.88rem;letter-spacing:.12em;transition:background .3s ease,color .3s ease;
}
.modal button[type="submit"]:hover{background:var(--ink);color:var(--paper);}
.modal__done{display:none;text-align:center;padding:20px 0;}
.modal__done.is-visible{display:block;}
.modal__done p{font-family:var(--serif);font-size:1.2rem;}

/* ---------- responsive ---------- */
@media (max-width:860px){
  .nav-desktop{display:none;}
  .menu-toggle{display:block;}
  .nav-mobile{display:block;}
  .side-index{display:none;}
  .philosophy__grid{grid-template-columns:1fr;}
  .philosophy__note{margin-top:36px;}
  .approach__item{grid-template-columns:50px 1fr;}
  .approach__desc{grid-column:1 / -1;padding-left:50px;margin-top:6px;}
  .stats{grid-template-columns:1fr;}
  .stance{grid-template-columns:1fr;}
  .stance__mark{writing-mode:horizontal-tb;height:auto;margin-bottom:20px;}
}
@media (max-width:480px){
  .hero__scroll{display:none;}
}