:root{
  --bg:#000;
  --fg: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.62);
  --line: rgba(255,255,255,.10);
  --glass: rgba(0,0,0,.35);
  --accent: #7b5cff;
  --accent2:#00ffd5;
  --radius: 18px;
  --max: 1200px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", "Segoe UI", Arial, sans-serif;
  letter-spacing: .02em;
  overflow-x:hidden;
}

/* ✅ 白背景＆青リンク対策：リンク色も強制 */
a{ color:inherit; text-decoration:none; }
a:hover{ opacity:.9; }

.bg-fixed{
  background: #000;
}

/* 背景Canvas */
#field{
  position:fixed;
  inset:0;
  width:100vw;
  height:100vh;
  z-index:-2;
}

/* グリッド/ノイズ */
.hero__grid{
  position:absolute;
  inset:0;
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity:.25;
  mask-image: radial-gradient(circle at 25% 20%, #000 0 45%, transparent 70%);
}

.topbar{
  position:fixed;
  top:0; left:0; right:0;
  z-index:20;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  padding: max(16px, env(safe-area-inset-top)) 18px 14px 18px;
  background: linear-gradient(to bottom, rgba(0,0,0,.65), rgba(0,0,0,0));
  backdrop-filter: blur(10px);
}

.brand{
  display:flex;
  flex-direction:column;
  gap:6px;
  font-weight:700;
  text-transform:uppercase;
}
.brand__stack{
  font-size: 14px;
  line-height:1.05;
  letter-spacing:.22em;
}
.brand__tag{
  font-size: 10px;
  letter-spacing:.28em;
  color: var(--muted);
}

.nav{
  display:flex;
  gap:14px;
  align-items:center;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.nav__link{
  font-size: 12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color: rgba(255,255,255,.78);
  padding: 8px 10px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 999px;
  background: rgba(0,0,0,.22);
}
.nav__link:hover{
  border-color: rgba(255,255,255,.22);
}

/* HERO */
.hero{
  position:relative;
  min-height: 100svh;
  display:flex;
  align-items:flex-end;
  padding: 120px 18px 60px 18px;
}
.hero__inner{
  width:min(var(--max), 100%);
  margin:0 auto;
}

.hero__kicker{
  margin:0 0 16px 0;
  font-size: 12px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color: var(--muted);
}

.morph{
  margin:0;
  line-height: .92;
  letter-spacing: .02em;
}
.morph__label{
  display:block;
  font-size: clamp(52px, 8.5vw, 120px);
  font-weight: 800;
  text-transform:none;
  position:relative;
  filter: drop-shadow(0 18px 40px rgba(0,0,0,.55));
  will-change: transform, filter;
}
.morph__label::after{
  content:"";
  position:absolute;
  inset:-10px -16px;
  background: radial-gradient(80% 60% at 30% 40%, color-mix(in srgb, var(--accent) 55%, transparent), transparent 60%),
              radial-gradient(70% 55% at 70% 65%, color-mix(in srgb, var(--accent2) 40%, transparent), transparent 62%);
  opacity:.35;
  filter: blur(18px);
  z-index:-1;
}

.morph__sub{
  display:block;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing:.14em;
  color: rgba(255,255,255,.70);
}

.hero__lead{
  margin: 18px 0 0 0;
  max-width: 56ch;
  color: rgba(255,255,255,.72);
  font-size: 14px;
  line-height:1.75;
}

.hero__meta{
  margin-top: 22px;
  display:flex;
  gap:18px;
  align-items:center;
  flex-wrap:wrap;
}

.meta{
  display:flex;
  gap:10px;
  align-items:baseline;
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 12px;
  background: rgba(0,0,0,.22);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}
.meta__k{ color: rgba(255,255,255,.45); }
.meta__v{ color: rgba(255,255,255,.88); min-width: 52px; display:inline-block; }

.scrollhint{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  font-size: 12px;
  letter-spacing:.18em;
  text-transform:uppercase;
}
.scrollhint__dot{
  width:10px; height:10px; border-radius:50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(123,92,255,.18);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{ transform: translateY(0); opacity:.9; }
  50%{ transform: translateY(4px); opacity:.55; }
}

/* SECTION */
.section{
  padding: 60px 18px;
}
.section__head{
  width:min(var(--max), 100%);
  margin:0 auto 18px auto;
  display:flex;
  gap:18px;
  justify-content:space-between;
  align-items:flex-end;
  flex-wrap:wrap;
}
.section__title{
  margin:0;
  font-size: 18px;
  letter-spacing:.22em;
  text-transform:uppercase;
}
.section__desc{
  margin:0;
  color: var(--muted);
  font-size: 13px;
  line-height:1.7;
}

/* GRID */
.grid{
  width:min(var(--max), 100%);
  margin: 18px auto 0 auto;
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.card{
  position:relative;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  overflow:hidden;
  background: rgba(0,0,0,.22);
  transform: translateZ(0);
  will-change: transform;
}
.card::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(120% 90% at 10% 10%, rgba(255,255,255,.10), transparent 55%),
    radial-gradient(100% 90% at 90% 80%, color-mix(in srgb, var(--accent) 30%, transparent), transparent 60%);
  opacity:.9;
  pointer-events:none;
}
.card:hover{ transform: translateY(-4px); }
.thumb{
  width:100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display:block;
  filter: saturate(1.05) contrast(1.03);
}
.card__body{
  padding: 12px 12px 14px 12px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.card__line{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.badge{
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  color: rgba(255,255,255,.72);
  letter-spacing:.08em;
  padding: 6px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.25);
}
.card__title{
  margin:0;
  font-size: 14px;
  letter-spacing:.06em;
}
.card__caption{
  margin:0;
  font-size: 12px;
  color: rgba(255,255,255,.62);
  line-height:1.6;
}

/* ABOUT */
.about{
  width:min(var(--max), 100%);
  margin: 12px auto 0 auto;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(0,0,0,.20);
}
.about__text{ margin:0; color: rgba(255,255,255,.74); line-height:1.9; font-size:14px; }

/* FOOTER */
.footer{
  padding: 48px 18px;
  text-align:center;
  color: rgba(255,255,255,.45);
}

/* WORK PAGE */
.work{
  padding-top: 86px;
}
.work__hero{
  width:min(var(--max), 100%);
  margin: 0 auto;
  padding: 18px;
  display:grid;
  grid-template-columns: 1.3fr .9fr;
  gap: 16px;
  align-items:start;
}
@media (max-width: 920px){
  .work__hero{ grid-template-columns: 1fr; }
}
.work__imgwrap{
  border-radius: var(--radius);
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.22);
}
.work__imgwrap img{
  width:100%;
  height:auto;
  display:block;
  object-fit:cover;
}
.work__pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.25);
  font-size: 12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color: rgba(255,255,255,.78);
}
.work__title{
  margin: 12px 0 8px 0;
  font-size: clamp(26px, 3.8vw, 44px);
  line-height:1.05;
}
.work__statement{
  margin: 0 0 14px 0;
  color: rgba(255,255,255,.70);
  line-height:1.8;
}
.work__statementSub{ color: rgba(255,255,255,.55); letter-spacing:.10em; font-size: 12px; }
.work__meta{
  margin: 0 0 10px 0;
  display:grid;
  grid-template-columns: 120px 1fr;
  gap: 8px 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  color: rgba(255,255,255,.70);
}
.work__meta dt{ color: rgba(255,255,255,.45); }
.work__meta dd{ margin:0; }
.work__desc{
  margin: 10px 0 16px 0;
  color: rgba(255,255,255,.72);
  line-height:1.9;
}
.work__links{ display:flex; gap:10px; flex-wrap:wrap; }
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.28);
  color: rgba(255,255,255,.88);
  letter-spacing:.12em;
  font-size: 12px;
}
.btn--ghost{
  background: transparent;
}

.work__body{
  width:min(var(--max), 100%);
  margin: 10px auto 0 auto;
  padding: 18px;
}
.work__h2{
  margin: 0 0 10px 0;
  font-size: 14px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color: rgba(255,255,255,.78);
}
.work__notes{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.20);
  padding: 16px;
  color: rgba(255,255,255,.70);
  line-height:1.9;
  font-size: 14px;
}

/* TIMELINE */
.timeline{
  position: fixed;
  right: 14px;
  top: 110px;
  bottom: 90px;
  width: 12px;
  z-index: 10;
  opacity: .55;
  pointer-events:none;
}
.timeline__bar{
  position:absolute;
  left:50%;
  top:0;
  bottom:0;
  width:1px;
  background: rgba(255,255,255,.16);
  transform: translateX(-50%);
}
.timeline__tick{
  position:absolute;
  left:50%;
  width:10px;
  height:10px;
  border-radius:50%;
  background: var(--accent);
  transform: translateX(-50%);
  box-shadow: 0 0 0 8px rgba(123,92,255,.12);
}
.timeline__text{
  position:absolute;
  right: 18px;
  top: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  color: rgba(255,255,255,.55);
}

/* COPY抑止（完全防止ではなく“抑止”） */
.noselect{
  -webkit-user-select:none;
  user-select:none;
  -webkit-touch-callout:none;
}
img{
  -webkit-user-drag:none;
  user-drag:none;
}

/* IDLE “静かな崩壊” */
.decay{
  position: fixed;
  inset:0;
  pointer-events:none;
  z-index: 50;
  opacity:0;
  background:
    repeating-linear-gradient(0deg, rgba(255,255,255,.05) 0 1px, transparent 1px 6px),
    radial-gradient(120% 80% at 50% 30%, rgba(123,92,255,.12), transparent 60%);
  mix-blend-mode: overlay;
  filter: blur(0px);
  transition: opacity 800ms ease, filter 800ms ease;
}
body.is-idle .decay{
  opacity:.85;
  filter: blur(1.5px);
}
body.is-idle .topbar{
  transform: skewX(-1.2deg) translateY(-2px);
  opacity: .62;
  transition: 900ms ease;
}
body.is-idle .morph__label{
  transform: translateY(6px) scale(.995);
  filter: blur(.2px) saturate(.95);
  transition: 900ms ease;
}