/* =====================================================================
   cotozu — unified site
   Brand / portfolio (root) + Brand Guidelines (/guidelines/)
   Monochrome / minimal. 余白(whitespace)を主役に。
   ===================================================================== */

:root{
  /* ink & surface — cool monochrome */
  --ink:#111111;        /* text primary / accent */
  --charcoal:#333333;
  --black:#111111;
  --muted:#666666;      /* text secondary */
  --faint:#9b978f;      /* faint labels */
  --paper:#f7f6f3;      /* background */
  --paper-deep:#efede8; /* section bands */
  --surface:#ffffff;    /* card background */
  --tile:#f1f0ec;       /* thumbnail surface */
  --line:#e5e2dc;       /* border */
  --line-soft:#edebe6;

  /* guidelines tokens */
  --paper-2:#fbfbf9;
  --panel:#ffffff;
  --line-2:#dcd9d2;
  --dark:#161514;
  --danger:#b05441;
  --ok:#3a3a3a;
  --guide:#c44e86;
  --r:7px;

  /* type */
  --jp:"Zen Kaku Gothic New", sans-serif;
  --sans:"Montserrat", "Zen Kaku Gothic New", sans-serif;
  --mono:"DM Mono", ui-monospace, monospace;

  /* rhythm */
  --gutter:clamp(20px, 5vw, 56px);
  --maxw:1160px;
  --section-y:clamp(72px, 11vw, 148px);
  --radius:12px;

  /* motion */
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--jp);
  font-weight:400;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:var(--ink);color:var(--paper)}

/* ---------- layout primitives ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.section{padding-block:var(--section-y)}
.divider{height:1px;background:var(--line);border:0}

/* eyebrow / mono label */
.eyebrow{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";width:22px;height:1px;background:var(--faint);
}

/* headings */
.display{
  font-family:var(--sans);
  font-weight:700;
  line-height:1.12;
  letter-spacing:-.015em;
  font-size:clamp(34px, 7vw, 88px);
}
.h2{
  font-family:var(--sans);
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.01em;
  font-size:clamp(26px, 4vw, 46px);
}
.h3{
  font-weight:700;
  font-size:clamp(18px, 2.2vw, 24px);
  line-height:1.5;
}
.lead{
  font-size:clamp(16px, 1.5vw, 19px);
  color:#333333;
  max-width:42em;
}
.muted{color:var(--muted)}
.mono{font-family:var(--mono)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,243,.82);
  backdrop-filter:saturate(140%) blur(12px);
  -webkit-backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--line)}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:22px;width:auto}
.nav-links{display:flex;align-items:center;gap:clamp(18px,3vw,40px)}
.nav-links a{
  font-family:var(--sans);
  font-size:13.5px;font-weight:500;letter-spacing:.02em;
  color:#444444;position:relative;padding-block:6px;
  transition:color .2s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--ink);transition:width .28s var(--ease);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after{width:100%}
.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-cta{
  font-family:var(--sans);font-size:13px;font-weight:700;
  border:1px solid var(--ink);border-radius:999px;
  padding:9px 18px;color:var(--ink);
  transition:background .22s var(--ease), color .22s var(--ease);
}
.nav-cta::after{display:none}
.nav-cta:hover{background:var(--ink);color:var(--paper)}

.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;width:42px;height:42px}
.nav-toggle span{display:block;width:22px;height:1.5px;background:var(--ink);margin:5px auto;transition:.3s var(--ease)}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);color:#c9c9c6;
  padding-block:clamp(56px,9vw,96px);
}
.site-footer a{color:#c9c9c6;transition:color .2s var(--ease)}
.site-footer a:hover{color:#fff}
.footer-grid{
  display:grid;gap:48px;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  align-items:start;
}
.footer-brand img{height:26px;margin-bottom:20px}
.footer-brand p{font-size:14px;color:#8a8a87;max-width:34ch;line-height:1.8}
.footer-col h4{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:#777777;margin-bottom:18px;font-weight:500;
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.footer-col a{font-family:var(--sans);font-size:14px;font-weight:500}
.footer-bottom{
  margin-top:clamp(48px,7vw,72px);padding-top:28px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:#777777;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--sans);font-weight:700;font-size:14.5px;
  padding:14px 26px;border-radius:999px;cursor:pointer;
  transition:transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}
.btn .arr{transition:transform .25s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
.btn-fill{background:var(--ink);color:var(--paper)}
.btn-fill:hover{background:#000}
.btn-ghost{border:1px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}

/* ---------- hero (home) — centered / 余白を主役に ---------- */
.hero{position:relative;padding-block:clamp(96px,16vw,200px) var(--section-y);overflow:hidden}
.hero-watermark{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  z-index:1;pointer-events:none;
}
.hero-watermark img{width:min(560px,76vw);max-height:80%;opacity:.05}
.hero-inner{
  position:relative;z-index:2;
  display:flex;flex-direction:column;align-items:center;text-align:center;
  gap:26px;
}
.hero .display{
  margin:0;font-size:clamp(34px,6vw,76px);line-height:1.14;letter-spacing:-.02em;
  max-width:16ch;word-break:auto-phrase;text-wrap:balance;
}
.hero .lead{margin-inline:auto;max-width:42em}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:10px}
.hero-head{display:flex;flex-direction:column;align-items:center;gap:14px}
.hero-sub{
  margin:0;font-family:var(--jp);font-weight:500;
  font-size:clamp(16px,2.2vw,25px);letter-spacing:.04em;
  color:var(--ink);text-wrap:balance;
}
.hero.hero-thanks .display{font-size:clamp(22px,3.4vw,36px);max-width:none}
.hero.hero-thanks .lead{max-width:46em}
.hero-logo{width:clamp(200px,30vw,430px);height:auto}
.hero-tagline{margin:0;font-family:var(--jp);font-weight:700;font-size:clamp(17px,2.4vw,28px);letter-spacing:.02em;line-height:1.4;color:var(--ink);text-wrap:balance}

/* ---------- philosophy strip ---------- */
.statement{
  background:var(--ink);color:var(--paper);
  text-align:center;padding-block:clamp(80px,14vw,170px);
}
.statement .big{
  font-family:var(--jp);font-weight:500;
  font-size:clamp(28px,4.6vw,56px);line-height:1.45;letter-spacing:.01em;
  text-wrap:balance;
}
.statement .sub{margin-top:32px;color:#9b9b97;font-size:clamp(14px,1.4vw,16px);max-width:54ch;margin-inline:auto}

/* ---------- values ---------- */
.values{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.value{background:var(--paper);padding:clamp(24px,3vw,40px) clamp(18px,2vw,28px);min-height:200px;
  display:flex;flex-direction:column;justify-content:space-between;gap:30px}
.value .no{font-family:var(--mono);font-size:11px;color:var(--faint);letter-spacing:.1em}
.value .jp{font-size:clamp(20px,2.4vw,28px);font-weight:700;line-height:1.3}
.value .en{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* ---------- section head ---------- */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:clamp(40px,6vw,64px);flex-wrap:wrap}
.section-head .left{max-width:60ch}
.section-head .eyebrow{margin-bottom:18px}

/* ---------- works grid ---------- */
.works-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(20px,3vw,40px)}
.work-card{
  display:block;background:var(--surface);border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.work-card:hover{transform:translateY(-4px);box-shadow:0 40px 70px -45px rgba(0,0,0,.4)}
.work-thumb{
  aspect-ratio:4/3;background:var(--tile);position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}
.work-thumb::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(0,0,0,.05), transparent 55%),
    linear-gradient(180deg,#f6f4ef,#e9e6df);
}
.work-thumb .ph-symbol{position:relative;width:34%;opacity:.5}
.work-thumb .ph-tag{position:absolute;top:16px;left:18px;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--muted);z-index:2}
.work-body{padding:clamp(22px,2.4vw,30px)}
.work-body .cat{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.work-body h3{font-family:var(--sans);font-size:clamp(19px,2vw,23px);font-weight:700;margin:12px 0 10px;line-height:1.35}
.work-body p{font-size:14px;color:#555555;line-height:1.75}
.work-body .meta{margin-top:18px;display:flex;gap:8px;flex-wrap:wrap}
.tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.05em;color:#555555;border:1px solid var(--line);border-radius:999px;padding:4px 12px}

/* placeholder note banner */
.ph-note{
  display:flex;gap:14px;align-items:center;
  background:var(--paper-deep);border:1px dashed var(--faint);border-radius:12px;
  padding:16px 22px;font-size:13.5px;color:#555555;margin-bottom:clamp(36px,5vw,56px);
}
.ph-note .dot{width:8px;height:8px;border-radius:50%;background:var(--faint);flex:none}

/* ---------- about ---------- */
.about-hero{padding-block:clamp(72px,12vw,150px) var(--section-y)}
.profile{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(36px,6vw,72px);align-items:start}
.portrait{
  aspect-ratio:3/4;background:var(--tile);border-radius:var(--radius);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
}
.portrait::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#f4f2ed,#e7e4dd)}
.portrait img{position:relative;width:30%;opacity:.4}
.portrait .cap{position:absolute;bottom:16px;left:18px;font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--muted)}
.prose p{margin-bottom:1.4em;color:#2c2c2c}
.prose p:last-child{margin-bottom:0}

/* capability list */
.cap-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:8px}
.cap-item{background:var(--paper);padding:clamp(26px,3vw,36px)}
.cap-item .no{font-family:var(--mono);font-size:11px;color:var(--faint)}
.cap-item h3{font-family:var(--sans);font-size:clamp(19px,2.2vw,24px);font-weight:700;margin:14px 0 12px}
.cap-item p{font-size:14px;color:#555555;line-height:1.8}
.cap-item .skills{margin-top:18px;display:flex;gap:8px;flex-wrap:wrap}

/* timeline */
.timeline{border-top:1px solid var(--line)}
.tl-row{display:grid;grid-template-columns:140px 1fr;gap:clamp(20px,4vw,48px);padding-block:clamp(24px,3vw,34px);border-bottom:1px solid var(--line)}
.tl-row .yr{font-family:var(--mono);font-size:13px;color:var(--muted);letter-spacing:.04em;padding-top:3px}
.tl-row h3{font-family:var(--sans);font-size:18px;font-weight:500;margin-bottom:6px}
.tl-row p{font-size:14px;color:#555555}

/* ---------- contact ---------- */
.contact-hero{padding-block:clamp(72px,12vw,150px) clamp(40px,6vw,64px)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,80px);align-items:start}
.field{margin-bottom:22px}
.field label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.field input,.field textarea,.field select{
  width:100%;background:var(--surface);border:1px solid var(--line);border-radius:10px;
  padding:14px 16px;font-family:var(--jp);font-size:15px;color:var(--ink);
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(27,26,24,.06);
}
.field textarea{min-height:140px;resize:vertical}
.contact-info{display:flex;flex-direction:column;gap:28px}
.contact-line{border-top:1px solid var(--line);padding-top:18px}
.contact-line .k{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.contact-line .v{font-size:17px;font-weight:500}
.contact-line .v a{border-bottom:1px solid var(--faint);transition:border-color .2s}
.contact-line .v a:hover{border-color:var(--ink)}
@media(max-width:760px){.contact-grid{grid-template-columns:1fr;gap:clamp(36px,8vw,48px)}}
.field label .opt{font-family:var(--jp);text-transform:none;letter-spacing:0;font-size:10.5px;color:var(--faint);margin-left:7px}
.contact-form .hp{display:none}
.contact-form .form-foot{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:30px}
.form-status{font-size:13.5px;line-height:1.7;margin:0}
.form-status.ok{color:var(--ink)}
.form-status.err{color:var(--danger)}
.btn[disabled]{opacity:.5;pointer-events:none}
/* approach — Why / What / How */
.approach-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(28px,4vw,56px);margin-top:clamp(36px,5vw,56px)}
.approach-step{border-top:1px solid var(--ink);padding-top:24px}
.approach-step .step-meta{display:flex;align-items:baseline;gap:12px;margin-bottom:20px}
.approach-step .step-no{font-family:var(--mono);font-size:13px;font-weight:500;color:var(--ink)}
.approach-step .step-label{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.approach-step h3{font-family:var(--sans);font-weight:700;font-size:clamp(18px,1.9vw,22px);line-height:1.5;margin-bottom:14px;letter-spacing:-.01em}
.approach-step p{color:#333333;font-size:15px;line-height:1.95}
@media(max-width:760px){
  .approach-grid{grid-template-columns:1fr;gap:0;margin-top:32px}
  .approach-step{padding-block:26px}
}

/* ---------- cta band ---------- */
.cta-band{background:var(--paper-deep);border-radius:var(--radius);padding:clamp(40px,6vw,72px);
  display:flex;justify-content:space-between;align-items:center;gap:36px;flex-wrap:wrap}
.cta-band .h2{max-width:18ch;font-size:clamp(20px,2.4vw,28px);line-height:1.5}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .profile,.contact-grid{grid-template-columns:1fr}
  .values{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand{grid-column:1/-1}
  .cap-list{grid-template-columns:1fr}
  .works-grid{grid-template-columns:1fr}
}
@media (max-width:680px){
  .nav-links{
    position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:flex-start;
    gap:0;background:var(--paper);border-bottom:1px solid var(--line);
    padding:8px var(--gutter) 24px;transform:translateY(-120%);
    transition:transform .35s var(--ease);height:auto;
  }
  .nav-links.open{transform:none}
  .nav-links a{width:100%;padding:14px 0;border-bottom:1px solid var(--line-soft);font-size:16px}
  .nav-links a::after{display:none}
  .nav-cta{margin-top:12px}
  .nav-toggle{display:block}
  .nav-toggle.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
  .values{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .tl-row{grid-template-columns:1fr;gap:6px}
  .section-head{align-items:flex-start}
}

/* =====================================================================
   GUIDELINES SECTION  (body.gl — /guidelines/*)
   元・Brand Guidelines サイトのスタイル。base を上書きして見た目を再現。
   ===================================================================== */
body.gl{
  line-height:1.8;
}
/* guidelines base overrides */
body.gl .eyebrow{font-family:var(--sans);font-weight:600;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);display:inline;gap:0}
body.gl .eyebrow::before{display:none}
body.gl .lead{color:var(--muted);font-size:15.5px;max-width:66ch}
.thin{color:var(--muted);font-size:13.5px}

/* ---------- guidelines sub-nav ---------- */
.gl-subnav{border-bottom:1px solid var(--line);background:rgba(252,251,247,.6)}
.gl-subnav .wrap{display:flex;gap:4px;flex-wrap:wrap;padding-block:11px}
.gl-subnav a{font-size:12.5px;color:#555555;padding:6px 13px;border-radius:30px;white-space:nowrap;transition:background .2s,color .2s}
.gl-subnav a:hover{background:#fff;color:var(--ink)}
.gl-subnav a.active{background:var(--charcoal);color:#fff}
@media (max-width:760px){
  .gl-subnav .wrap{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch}
}

/* ============ HERO (guidelines sub pages) ============ */
.page-hero{padding:64px 0 18px}
.page-hero .kicker{font-family:var(--mono);font-size:12.5px;color:var(--faint);letter-spacing:.04em}
.page-hero h1{font-family:var(--sans);font-weight:700;font-size:clamp(30px,5.2vw,52px);line-height:1.1;letter-spacing:-.02em;margin:14px 0 16px;color:var(--ink)}
.page-hero .en{color:var(--faint);font-weight:400}

/* ============ SECTION ============ */
section.block{padding:46px 0;border-top:1px solid var(--line)}
section.block:first-of-type{border-top:0}
.sec-head{display:flex;align-items:flex-start;gap:20px;margin-bottom:26px}
.sec-num{font-family:var(--mono);font-size:13px;color:var(--faint);border:1px solid var(--line-2);border-radius:40px;padding:4px 12px;flex:none;margin-top:5px}
.sec-head .htext{display:flex;flex-direction:column;gap:7px}
h2.sec-title{font-family:var(--sans);font-weight:700;font-size:clamp(22px,3.4vw,32px);line-height:1.2;letter-spacing:-.01em;color:var(--ink)}
h3.sub-title{font-family:var(--sans);font-weight:500;font-size:18px;margin-bottom:12px;color:var(--ink)}

/* ============ PANELS / GRID ============ */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 1px 0 rgba(0,0,0,.02),0 18px 40px -34px rgba(0,0,0,.4)}
.panel.pad{padding:clamp(24px,4.5vw,46px)}
.grid{display:grid;gap:18px}
.grid>*{min-width:0}
.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:680px){.g2,.g3,.g4{grid-template-columns:1fr 1fr}}
@media(max-width:460px){.g2,.g3,.g4{grid-template-columns:1fr}}

.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:6px}
.chip-tag{font-size:13px;padding:6px 14px;border:1px solid var(--line-2);border-radius:30px;color:#555555;background:var(--paper-2)}
.quote{font-size:clamp(20px,3vw,30px);font-weight:700;line-height:1.5;letter-spacing:.01em;color:var(--ink)}

/* ---------- fade ---------- */
.fade{opacity:0;transform:translateY(14px);animation:rise .9s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes rise{to{opacity:1;transform:none}}
.d1{animation-delay:.05s}.d2{animation-delay:.16s}.d3{animation-delay:.28s}.d4{animation-delay:.42s}.d5{animation-delay:.56s}

/* ============ LOGO STAGE / VARIATIONS ============ */
.logo-stage{display:flex;align-items:center;justify-content:center;padding:46px 20px;min-height:190px}
.logo-stage img{max-width:72%}
.cap{font-family:var(--sans);font-weight:600;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);padding:14px 18px;border-top:1px solid var(--line)}
.cap small{display:block;font-family:var(--jp);font-weight:400;letter-spacing:0;text-transform:none;color:var(--faint);font-size:11.5px;margin-top:3px}
.var-card{overflow:hidden}.var-card .logo-stage{min-height:150px}
.var-card.sym .logo-stage img{max-width:none;height:84px}

/* ============ SYMBOL MEANING ============ */
.sym-hero{display:flex;align-items:center;justify-content:center;padding:54px 20px}
.sym-hero img{height:170px}
.meaning{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border-top:1px solid var(--line)}
@media(max-width:560px){.meaning{grid-template-columns:1fr}}
.meaning .cell{background:#fff;padding:22px 22px 24px}
.meaning .role{font-weight:700;font-size:14.5px;display:flex;align-items:center;gap:8px}
.meaning .role .dot{width:8px;height:8px;border-radius:50%;background:var(--charcoal)}
.meaning .role .dot.void{background:transparent;border:1.5px dashed var(--faint)}
.meaning .role small{font-family:var(--sans);font-weight:600;font-size:10px;letter-spacing:.12em;color:var(--faint);text-transform:uppercase}
.meaning ul{list-style:none;margin-top:12px;display:flex;flex-direction:column;gap:7px}
.meaning li{font-size:13.5px;color:#555555;position:relative;padding-left:16px}
.meaning li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:1.5px;background:var(--line-2)}

/* ============ COLOR SWATCHES ============ */
.sw{border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.sw .chip{height:140px}
.sw .meta{padding:16px 18px;background:var(--panel)}
.sw .name{font-weight:700;font-size:15px}
.sw .role{font-family:var(--sans);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.sw .vals{margin-top:12px;display:flex;flex-direction:column;gap:4px;font-family:var(--mono);font-size:12px;color:#555555}
.sw .vals span b{color:var(--faint);font-weight:400;display:inline-block;width:46px}

/* ============ CLEAR SPACE ============ */
.cs-stage{padding:46px;display:flex;justify-content:center}
.cs-box{position:relative;padding:var(--x);outline:1.5px dashed var(--line-2)}
.cs-inner{position:relative;outline:1px dashed #d2d0ca}
.cs-inner img{width:380px;max-width:58vw}
.cs-lab{position:absolute;font-family:var(--mono);font-size:12px;color:var(--charcoal);background:var(--paper-2);padding:1px 7px;border:1px solid var(--line-2);border-radius:3px}
.cs-lab.t{top:calc(var(--x)/-2 - 11px);left:50%;transform:translateX(-50%)}
.cs-lab.b{bottom:calc(var(--x)/-2 - 11px);left:50%;transform:translateX(-50%)}
.cs-lab.l{left:calc(var(--x)/-2 - 11px);top:50%;transform:translateY(-50%)}
.cs-lab.r{right:calc(var(--x)/-2 - 11px);top:50%;transform:translateY(-50%)}
.cs-unit{display:flex;gap:14px;align-items:center;padding:16px 20px;border-top:1px solid var(--line);flex-wrap:wrap}
.cs-unit .ob span{display:inline-block;width:1px;background:var(--charcoal);height:46px}
.uchip{font-family:var(--mono);font-size:12px;color:#555555}

/* ============ MIN SIZE ============ */
.ms-row{display:flex;align-items:flex-end;gap:44px;flex-wrap:wrap;padding:40px clamp(20px,5vw,48px);justify-content:center}
.ms-item{display:flex;flex-direction:column;align-items:center;gap:12px}
.ms-spec{font-family:var(--mono);font-size:12px;color:var(--muted);text-align:center;line-height:1.6}
.ms-spec b{color:var(--charcoal);font-weight:500}

/* ============ TABLE ============ */
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th,.tbl td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line)}
.tbl th{font-family:var(--sans);font-weight:700;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.tbl td.mono{font-family:var(--mono);color:#555555}
.tbl tr:last-child td{border-bottom:0}

/* ============ BACKGROUND USE ============ */
.bg-tile{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);position:relative;height:140px;display:flex;align-items:center;justify-content:center}
.bg-tile img{width:60%}
.bg-tile .badge{position:absolute;top:10px;left:10px;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff}
.badge.ok{background:var(--ok)} .badge.no{background:var(--danger)}
.bg-cap{font-size:12.5px;color:var(--muted);margin-top:10px;text-align:center}

/* ============ MISUSE ============ */
.miss{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:680px){.miss{grid-template-columns:1fr 1fr}}
@media(max-width:440px){.miss{grid-template-columns:1fr}}
.miss .m{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.miss .frame{height:124px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:#fff}
.miss .frame img{height:26px}
.miss .x{position:absolute;top:9px;right:9px;width:22px;height:22px;border-radius:50%;background:var(--danger);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.miss .lbl{padding:12px 14px;font-size:12.5px;color:#555555;border-top:1px solid var(--line)}
.recolor{height:26px;width:120px;background:linear-gradient(90deg,#e0653a,#d8a23a);-webkit-mask:var(--ml) center/contain no-repeat;mask:var(--ml) center/contain no-repeat}
.voidfill{position:relative}
.voidfill .blob{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:14px;height:14px;border-radius:3px;background:var(--danger)}

/* ============ DO / DONT IMPRESSION ============ */
.impr{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:600px){.impr{grid-template-columns:1fr}}
.impr .card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:24px 26px}
.impr h4{font-size:13px;font-family:var(--sans);font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.impr .ic{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;color:#fff;font-weight:700}
.impr ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.impr li{font-size:13.5px;color:#555555;display:flex;gap:9px;align-items:flex-start}
.impr li .mk{flex:none;margin-top:2px;font-weight:700}
.impr.do li .mk{color:var(--ok)} .impr.avoid li .mk{color:var(--danger)}

/* ============ TYPE ROWS ============ */
.type-row{display:flex;align-items:baseline;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}
.type-row:last-child{border-bottom:0}
.type-row .role{width:140px;flex:none;font-family:var(--sans);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.type-row .samp{font-size:23px}

/* ============ NOTE ============ */
.note{display:flex;gap:12px;background:#fbf8ef;border:1px solid #ece3c9;border-radius:var(--r);padding:15px 18px;font-size:13.5px;color:#6b6658;line-height:1.7}
.note b{color:#8a7c46;font-weight:700}.note .ic{flex:none;margin-top:2px}

/* ============ GUIDELINES: COVER ============ */
.cover{min-height:64vh;display:flex;flex-direction:column;justify-content:center;padding:60px 0 40px}
.cover-mark{margin:0 0 30px}
.cover-mark img{width:min(520px,84%)}
.cover .tag{font-size:clamp(17px,2.6vw,25px);font-weight:500;color:#3a3a3a;letter-spacing:.01em;margin-bottom:24px}
.cover h1{font-family:var(--sans);font-weight:700;font-size:clamp(26px,4.4vw,44px);letter-spacing:-.02em;line-height:1.12}
.cover h1 .li{color:var(--faint)}
.cover .meta-row{margin-top:26px;display:flex;gap:34px;flex-wrap:wrap;align-items:baseline}
.cover .meta-row .item{display:flex;flex-direction:column;gap:3px}
.cover .meta-row .k{font-family:var(--sans);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint)}
.cover .meta-row .v{font-size:14px;color:#555555}

/* ============ GUIDELINES: NAV CARDS ============ */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:640px){.cards{grid-template-columns:1fr}}
.card-link{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:26px 28px;display:flex;flex-direction:column;gap:10px;transition:transform .25s cubic-bezier(.2,.7,.2,1),box-shadow .25s,border-color .25s;box-shadow:0 1px 0 rgba(0,0,0,.02)}
.card-link:hover{transform:translateY(-3px);box-shadow:0 24px 44px -34px rgba(0,0,0,.5);border-color:var(--line-2)}
.card-link .no{font-family:var(--mono);font-size:12px;color:var(--faint)}
.card-link h3{font-family:var(--sans);font-weight:700;font-size:21px;letter-spacing:-.01em}
.card-link .en{font-family:var(--sans);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.card-link p{font-size:13.5px;color:#555555}
.card-link .go{margin-top:4px;font-family:var(--mono);font-size:12.5px;color:var(--charcoal)}

/* =====================================================================
   PORTFOLIO PAGES  (Top / Concept / Works / Profile / Notes / Contact)
   静かで余白のある、モノクロ基調のコンポーネント群。
   ===================================================================== */

/* ---------- PageHero (sub pages) ---------- */
.phero{padding-block:clamp(72px,12vw,128px) clamp(24px,4vw,44px)}
.phero .eyebrow{margin-bottom:20px}
.phero h1{font-family:var(--sans);font-weight:700;font-size:clamp(28px,4.4vw,46px);line-height:1.3;letter-spacing:-.02em}
.phero .lead{margin-top:22px;color:#333333}
.phero .mlead{margin-top:18px;font-size:clamp(20px,2.6vw,30px);font-weight:500;font-family:var(--jp);line-height:1.5;color:var(--ink);max-width:22em;letter-spacing:.005em}

/* ---------- Intro (Top) ---------- */
.intro .cols{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,64px);align-items:start}
@media(max-width:760px){.intro .cols{grid-template-columns:1fr;gap:18px}}
.intro .ititle{font-family:var(--jp);font-weight:700;font-size:clamp(24px,3.4vw,36px);letter-spacing:.01em;line-height:1.4;max-width:16ch}
.intro p{color:#333333;max-width:58ch;font-size:clamp(15px,1.4vw,17px);line-height:1.95}
.intro p + p{margin-top:1.2em}

/* ---------- Focus cards ---------- */
.focus-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:680px){.focus-grid{grid-template-columns:1fr}}
.focus-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,3vw,34px);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
.focus-card:hover{transform:translateY(-3px);box-shadow:0 26px 50px -40px rgba(0,0,0,.32);border-color:var(--line-2)}
.focus-card .no{font-family:var(--mono);font-size:11px;color:var(--faint);letter-spacing:.1em}
.focus-card h3{font-family:var(--sans);font-weight:700;font-size:clamp(17px,1.8vw,20px);margin:14px 0 10px;letter-spacing:.01em}
.focus-card p{color:var(--muted);font-size:14px;line-height:1.85}

/* ---------- Value cards (Concept) ---------- */
.vgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:680px){.vgrid{grid-template-columns:1fr}}
.vcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(26px,3vw,36px)}
.vcard .vn{font-family:var(--mono);font-size:12px;color:var(--faint)}
.vcard h3{font-family:var(--sans);font-weight:700;font-size:clamp(19px,2vw,22px);margin:12px 0 12px}
.vcard p{color:var(--muted);font-size:14.5px;line-height:1.9}

/* ---------- Work cards (Works listing + Selected) ---------- */
.work-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.work-list>*{min-width:0}
@media(max-width:760px){.work-list{grid-template-columns:1fr}}
.wcard{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,3vw,32px);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
.wcard:hover{transform:translateY(-3px);box-shadow:0 28px 54px -42px rgba(0,0,0,.38);border-color:var(--line-2)}
.wcard .wtop{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.wcard .wcat{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.wcard .wyear{font-family:var(--mono);font-size:12px;color:var(--faint)}
.wcard h3{font-family:var(--sans);font-weight:700;font-size:clamp(18px,2vw,22px);line-height:1.35;letter-spacing:-.005em}
.wcard .wdesc{color:var(--muted);font-size:14px;line-height:1.85;margin-top:10px}
.wcard .wrole{margin-top:auto;padding-top:18px}
.wcard .wrole-inner{padding-top:16px;border-top:1px solid var(--line)}
.wcard .wrole .k{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);display:block;margin-bottom:6px}
.wcard .wrole .v{font-size:13px;color:#444444;line-height:1.7}

/* ---------- Filter bar ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:clamp(28px,4vw,40px)}
.filter-chip{font-family:var(--sans);font-size:13px;font-weight:500;color:#444444;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 16px;cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.filter-chip:hover{border-color:var(--ink)}
.filter-chip[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.wcard.is-hidden{display:none}

/* ---------- Note cards ---------- */
.note-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.note-grid>*{min-width:0}
@media(max-width:760px){.note-grid{grid-template-columns:1fr}}
.note-card{display:flex;flex-direction:column;gap:13px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,2.6vw,30px);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
.note-card:hover{transform:translateY(-3px);box-shadow:0 26px 50px -40px rgba(0,0,0,.32);border-color:var(--line-2)}
.note-card .ntop{display:flex;align-items:center;justify-content:space-between;gap:10px}
.note-card .ndate{font-family:var(--mono);font-size:12px;color:var(--faint)}
.note-card h3{font-family:var(--sans);font-weight:700;font-size:clamp(16px,1.7vw,19px);line-height:1.5}
.note-card p{color:var(--muted);font-size:14px;line-height:1.85;flex:1}
.note-card .nread{font-family:var(--sans);font-size:13px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:7px}
.note-card .nread .ext{font-size:12px;transition:transform .25s var(--ease)}
.note-card:hover .nread .ext{transform:translate(2px,-2px)}
/* note — featured (single / latest article) */
.note-feature{display:grid;grid-template-columns:minmax(0,48%) 1fr;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
.note-feature:hover{transform:translateY(-3px);box-shadow:0 26px 50px -40px rgba(0,0,0,.32);border-color:var(--line-2)}
.note-feature .nf-thumb{aspect-ratio:1280/670;overflow:hidden;background:var(--paper-deep)}
.note-feature .nf-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .45s var(--ease)}
.note-feature:hover .nf-thumb img{transform:scale(1.03)}
.note-feature .nf-body{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:14px;padding:clamp(26px,3.4vw,42px)}
.note-feature .ntop{display:flex;align-items:center;gap:12px}
.note-feature .ndate{font-family:var(--mono);font-size:12px;color:var(--faint)}
.note-feature h3{font-family:var(--sans);font-weight:700;font-size:clamp(18px,2vw,23px);line-height:1.5;letter-spacing:-.005em}
.note-feature p{color:#333333;font-size:15px;line-height:1.9}
.note-feature .nread{font-family:var(--sans);font-size:14px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:8px}
.note-feature .nread .ext{transition:transform .25s var(--ease)}
.note-feature:hover .nread .ext{transform:translateX(3px)}
@media(max-width:680px){.note-feature{grid-template-columns:1fr}}

/* ---------- Profile ---------- */
.profile-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:clamp(32px,6vw,72px);align-items:start}
@media(max-width:820px){.profile-wrap{grid-template-columns:1fr;gap:28px}}
.profile-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(26px,3vw,34px);position:sticky;top:96px}
@media(max-width:820px){.profile-card{position:static}}
.profile-card .avatar{width:84px;height:84px;border-radius:20px;background:var(--paper-deep);display:flex;align-items:center;justify-content:center;margin-bottom:20px;border:1px solid var(--line)}
.profile-card .avatar img{width:46%}
.profile-card .portrait{width:100%;aspect-ratio:1/1;border-radius:14px;background:var(--paper-deep);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;margin-bottom:22px;overflow:hidden}
.profile-card .portrait img{width:88%;height:88%;object-fit:contain;opacity:1}
.profile-card .pname{font-family:var(--sans);font-weight:700;font-size:20px;letter-spacing:.01em}
.profile-card .prole{color:var(--muted);font-size:13.5px;margin-top:5px;line-height:1.7}
.profile-card .pmeta{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.profile-card .pmeta .row{display:flex;gap:10px;font-size:13px}
.profile-card .pmeta .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);width:64px;flex:none;padding-top:2px}
.profile-card .pmeta .v{color:#444444}
.prose p{margin-bottom:1.4em;color:#333333;line-height:1.95}
.prose p:last-child{margin-bottom:0}
.skill-block{margin-top:clamp(34px,5vw,48px)}
.skill-block .eyebrow{margin-bottom:16px}
.taglist{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-family:var(--sans);font-size:13px;color:#444444;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:7px 13px}

/* ---------- Contact block ---------- */
.contact-block{text-align:center;max-width:600px;margin-inline:auto;padding-block:clamp(16px,3vw,32px)}
.contact-block p{color:#333333;font-size:clamp(15px,1.5vw,17px);line-height:1.95;margin-bottom:12px}
.contact-mail{font-family:var(--sans);font-weight:700;font-size:clamp(20px,3vw,30px);letter-spacing:-.01em;display:inline-block;margin:24px 0 30px;border-bottom:1px solid var(--line);padding-bottom:6px;transition:border-color .2s var(--ease)}
.contact-mail:hover{border-color:var(--ink)}

/* ---------- accessibility: visible focus ---------- */
a:focus-visible,button:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:0 0 8px 0;z-index:100}
.skip-link:focus{left:0}