/* shared styles for the sub-pages (about, projects).
   the landing page keeps its own inline copy on purpose. */
:root{
  --sumi:#0a0b0f;          /* near-black indigo ground */
  --sumi-2:#0e1017;
  --washi:#e9e1cd;         /* aged paper */
  --washi-dim:#9c9583;
  --washi-faint:#5f5b50;
  --shu:#cf3b2b;           /* vermilion, torii / hanko */
  --shu-soft:#e0715f;
  --kin:#b98f45;           /* muted gold */
  --line:rgba(233,225,205,.06);
  --brush:'Yuji Syuku',serif;
  --mincho:'Shippori Mincho',serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  min-height:100%;
  background:var(--sumi);color:var(--washi);
  font-family:var(--mono);
  -webkit-font-smoothing:antialiased;
  position:relative;
}

/* ---- background layers (shared with the landing page) ---- */
.bg{position:fixed;inset:0;z-index:0;pointer-events:none}
.bg.grid{
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:46px 46px;background-position:center;
  -webkit-mask-image:radial-gradient(120% 100% at 50% 46%,transparent 0,transparent 26%,#000 78%);
          mask-image:radial-gradient(120% 100% at 50% 46%,transparent 0,transparent 26%,#000 78%);
  opacity:.9;
}
.bg.glow{
  background:
    radial-gradient(60% 50% at 50% 40%,rgba(40,44,86,.28),transparent 70%),
    radial-gradient(120% 120% at 50% 50%,transparent 55%,rgba(0,0,0,.65) 100%);
}
.stone{
  position:fixed;z-index:1;width:12px;height:12px;border-radius:50%;
  top:24%;left:80%;background:var(--shu);
  box-shadow:0 0 0 1px rgba(224,113,95,.5),0 0 26px 6px rgba(207,59,43,.55);
  animation:pulse 4.6s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:.55;transform:scale(1)}50%{opacity:1;transform:scale(1.12)}}
.bg.grain{
  opacity:.05;mix-blend-mode:screen;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- dossier frame ---- */
.frame{position:fixed;inset:0;z-index:2;padding:clamp(18px,3vw,34px);pointer-events:none}
.frame::before{content:"";position:absolute;inset:clamp(14px,2.2vw,26px);
  border:1px solid rgba(233,225,205,.08);pointer-events:none}
.corner{position:absolute;font-family:var(--mono);font-weight:300;
  font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--washi-faint)}
.corner .jp{font-family:var(--mincho);letter-spacing:.1em;color:var(--washi-dim)}
.tl{top:clamp(26px,3.4vw,40px);left:clamp(28px,3.6vw,46px)}
.tr{top:clamp(26px,3.4vw,40px);right:clamp(28px,3.6vw,46px);text-align:right}
.br{bottom:clamp(26px,3.4vw,40px);right:clamp(28px,3.6vw,46px);text-align:right}
.back{pointer-events:auto;color:var(--washi-faint);text-decoration:none;transition:color .3s}
.back:hover{color:var(--washi-dim)}
.back .arw{color:var(--shu);margin-right:.6em}

/* vertical calligraphy down the right margin */
.vertical{position:fixed;top:50%;right:clamp(26px,3.4vw,44px);transform:translateY(-50%);z-index:2;
  writing-mode:vertical-rl;font-family:var(--brush);font-size:clamp(17px,2vw,22px);
  letter-spacing:.22em;color:var(--washi-dim);opacity:.85;pointer-events:none}
.vertical .ten{color:var(--shu)}

/* ---- page ---- */
.page{position:relative;z-index:3;max-width:640px;margin:0 auto;
  padding:clamp(96px,13vh,150px) clamp(26px,6vw,40px) clamp(150px,20vh,190px)}
.enter{opacity:0;transform:translateY(10px);filter:blur(6px);
  animation:ink 1.4s cubic-bezier(.2,.7,.2,1) forwards}
.d1{animation-delay:.1s}.d2{animation-delay:.34s}.d3{animation-delay:.58s}
.d4{animation-delay:.82s}.d5{animation-delay:1.06s}.d6{animation-delay:1.3s}
@keyframes ink{to{opacity:1;transform:none;filter:blur(0)}}

/* masthead */
.head{display:flex;align-items:center;gap:15px;text-decoration:none}
.seal{width:34px;height:34px;flex:none;background:var(--shu);border-radius:6px;
  display:grid;place-items:center;font-family:var(--brush);font-size:21px;color:#f4ecd9;
  box-shadow:0 0 22px rgba(207,59,43,.4);transform:rotate(-4deg)}
.head h1{font-family:var(--mono);font-weight:400;color:var(--washi);
  font-size:17px;letter-spacing:.5em;text-indent:.5em}

/* pinned site footer: nav row sits on the same baseline as the corner marks,
   with the fate line 32px above it */
.site-footer{position:fixed;left:0;right:0;bottom:clamp(26px,3.4vw,40px);z-index:6;
  display:flex;flex-direction:column;align-items:center;gap:32px;text-align:center;
  padding:0 clamp(96px,13vw,190px);pointer-events:none}
.site-footer .fate{font-family:var(--brush);font-size:clamp(18px,2.1vw,23px);
  letter-spacing:.22em;color:var(--washi-dim);opacity:.55;
  text-shadow:0 0 18px rgba(207,59,43,.08)}
.fnav-row{display:flex;justify-content:center;align-items:center;gap:13px;flex-wrap:wrap}
.fnav{position:relative;pointer-events:auto;text-decoration:none;
  font-family:var(--mono);font-weight:400;font-size:11px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--washi-faint);padding-bottom:4px;
  transition:color .3s}
.fnav::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--shu);opacity:0;transition:opacity .3s}
.fnav:hover{color:var(--washi-dim)}
.fnav.on{color:var(--washi)}
.fnav.on::after{opacity:1}
.fnav.mail{color:var(--washi-dim)}
.fnav.mail:hover{color:var(--washi)}
.fnav .at{color:var(--shu)}
.fsep{font-size:11px;line-height:1;color:var(--washi-faint);opacity:.4;padding-bottom:4px}

/* section labels */
.label{display:flex;align-items:center;gap:14px;margin:clamp(46px,7vh,66px) 0 22px;
  font-family:var(--mono);font-weight:400;font-size:11px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--washi-faint);white-space:nowrap}
.label .jp{font-family:var(--mincho);letter-spacing:.14em;color:var(--washi-dim);text-transform:none}
.label::after{content:"";flex:1;height:1px;
  background:linear-gradient(90deg,rgba(233,225,205,.12),transparent)}

/* prose */
.prose p{font-family:var(--mincho);font-size:clamp(14.5px,1.7vw,16px);line-height:2.05;
  color:var(--washi-dim);max-width:54ch}
.prose p + p{margin-top:1.4em}
.prose .hi{color:var(--washi)}
.prose .term{color:var(--shu)}

/* bio */
.bio-name{font-family:var(--mono);font-weight:400;font-size:14px;letter-spacing:.42em;
  text-indent:.42em;color:var(--washi)}
.bio-line{margin-top:14px;font-family:var(--mincho);font-size:clamp(14px,1.6vw,15.5px);
  line-height:2;color:var(--washi-dim);max-width:50ch}
.bio-tags{margin-top:15px;display:flex;align-items:center;gap:11px;flex-wrap:wrap;
  font-family:var(--mono);font-weight:300;font-size:10.5px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--washi-faint)}
.bio-tags .dot{color:var(--shu);opacity:.8}

/* projects */
.projects{list-style:none;display:flex;flex-direction:column;gap:14px}
.project{display:block;text-decoration:none;color:inherit;position:relative;
  padding:22px 24px 21px;border:1px solid rgba(233,225,205,.07);
  background:linear-gradient(180deg,rgba(233,225,205,.017),transparent);
  transition:border-color .35s,background .35s,transform .35s}
.project::before{content:"";position:absolute;left:-1px;top:-1px;bottom:-1px;width:1px;
  background:var(--shu);opacity:0;transition:opacity .35s}
.project:hover{border-color:rgba(233,225,205,.16);transform:translateX(2px);
  background:linear-gradient(180deg,rgba(233,225,205,.04),transparent)}
.project:hover::before{opacity:.9}
.p-top{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.mv{color:var(--shu);font-size:11px;line-height:1;transform:translateY(-1px)}
.p-top h2{font-family:var(--mono);font-weight:500;font-size:15px;letter-spacing:.3em;
  text-indent:.3em;color:var(--washi)}
.p-jp{font-family:var(--mincho);font-size:13px;letter-spacing:.12em;color:var(--washi-faint)}
.p-status{margin-left:auto;font-size:9.5px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--kin);opacity:.85;border:1px solid rgba(185,143,69,.32);
  padding:4px 9px 3px;border-radius:2px;white-space:nowrap}
.p-desc{margin-top:13px;font-family:var(--mincho);font-size:14px;line-height:1.95;
  color:var(--washi-dim);max-width:50ch}
.p-url{display:inline-block;margin-top:15px;font-family:var(--mono);font-weight:300;
  font-size:11px;letter-spacing:.14em;color:var(--washi-faint);transition:color .35s}
.p-url .arw{color:var(--shu);margin-left:.5em;opacity:.75}
.project:hover .p-url{color:var(--washi)}

@media (max-width:760px){ .vertical{display:none} }
@media (max-width:640px){
  .br,.stone{display:none}
  .frame::before{inset:12px}
  .page{padding-top:clamp(84px,12vh,110px);padding-bottom:170px}
  .p-status{margin-left:0}
  .site-footer{padding:0 20px}
  .site-footer .fate{font-size:19px}
  .fnav-row{gap:10px}
  .fnav,.fsep{font-size:10px;letter-spacing:.16em}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .enter{animation:none;opacity:1;transform:none;filter:none}
  .stone{animation:none}
}