:root{
  --ink:#0b0e1d;           /* 夜 — base night */
  --indigo:#141a33;        /* 藍 — surface */
  --indigo-2:#1b2347;      /* raised surface */
  --line:#2a3358;          /* hairline */
  --moon:#f3e7c9;          /* 月 — warm cream */
  --gold:#e2b35a;          /* 提灯 — lantern gold */
  --gold-soft:rgba(226,179,90,.16);
  --sakura:#e191a4;        /* 桜 — soft accent */
  --teal:#6fd3c3;          /* チャート — fx accent */
  --text:#e9e6dd;
  --text-dim:#9aa0b8;
  --display:'Shippori Mincho',serif;
  --body:'Zen Kaku Gothic New',sans-serif;
  --mono:'M PLUS 1 Code',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);
  background:var(--ink);
  color:var(--text);
  overflow-x:hidden;
  line-height:1.9;
}
::selection{background:var(--gold);color:var(--ink)}
a{color:inherit}

/* ---------- reveal ---------- */
.fade-in{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s ease}
.fade-in.show{opacity:1;transform:none}

/* ---------- auto-fit text（幅に収まるまで縮小） ---------- */
[data-fit]{white-space:nowrap}
[data-fit].fit-wrap{white-space:normal}
.app-head>div:not(.app-icon){min-width:0;flex:1}
h2,.brand-sub{text-wrap:balance}

/* ---------- language toggle ---------- */
.lang-toggle{
  position:fixed;top:1.2rem;right:1.3rem;z-index:20;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;
  color:var(--moon);background:rgba(11,14,29,.55);
  border:1px solid var(--line);border-radius:999px;
  padding:.52rem 1.15rem;cursor:pointer;
  backdrop-filter:blur(6px);
  transition:border-color .3s,color .3s,box-shadow .3s;
}
.lang-toggle:hover{border-color:var(--gold);color:var(--gold);box-shadow:0 0 18px -6px var(--gold)}

/* ---------- section scaffolding ---------- */
section{position:relative;padding:7rem 1.5rem}
.wrap{max-width:1100px;margin:0 auto;position:relative}

/* vertical kanji eyebrow */
.tate{
  position:absolute;left:-4.5rem;top:.4rem;
  writing-mode:vertical-rl;
  font-family:var(--display);font-size:1.05rem;letter-spacing:.55em;
  color:var(--gold);opacity:.85;
}
.tate::after{
  content:"";display:block;width:1px;height:64px;margin:18px auto 0;
  background:linear-gradient(var(--gold),transparent);
}
.sec-head{position:relative;margin-bottom:3.5rem}
.sec-en{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.45em;
  text-transform:uppercase;color:var(--text-dim);display:block;margin-bottom:.9rem;
}
h2{
  font-family:var(--display);font-weight:700;
  font-size:clamp(2rem,5vw,3.1rem);letter-spacing:.04em;color:var(--moon);
}
h2 em{font-style:normal;color:var(--gold)}

/* ====================================================
   HERO — 九州の夜、月、猫
==================================================== */
.hero{
  min-height:100svh;display:flex;align-items:flex-end;justify-content:center;
  padding:4rem 1.5rem 7.5rem;
  background:
    linear-gradient(rgba(11,14,29,.02) 0%, rgba(11,14,29,.18) 50%, rgba(11,14,29,.72) 82%, var(--ink) 100%),
    url('img/hero-night.png') center/cover no-repeat,
    var(--ink);
}
#sky{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.star{
  position:absolute;border-radius:50%;background:var(--moon);
  animation:twinkle var(--tw,4s) ease-in-out infinite;
}
@keyframes twinkle{0%,100%{opacity:.15}50%{opacity:.85}}

/* ---------- 夜霧 — ゆっくり流れる薄雲 ---------- */
.haze{
  position:absolute;pointer-events:none;border-radius:50%;
  filter:blur(46px);will-change:transform;
}
.haze.a{
  top:10%;width:54vw;height:26vh;
  background:radial-gradient(ellipse at center, rgba(243,231,201,.07), transparent 70%);
  animation:drift 90s linear infinite;
}
.haze.b{
  top:42%;width:44vw;height:20vh;
  background:radial-gradient(ellipse at center, rgba(142,155,240,.06), transparent 70%);
  animation:drift 130s linear infinite;
  animation-delay:-60s;
}
@keyframes drift{
  0%{transform:translateX(-60vw)}
  100%{transform:translateX(110vw)}
}

/* ---------- 流れ星 ---------- */
.shooting{
  position:absolute;height:2px;width:130px;border-radius:2px;
  background:linear-gradient(90deg, var(--moon), transparent);
  opacity:0;pointer-events:none;
  transform:rotate(-30deg);
  animation:shoot var(--dur,11s) ease-in infinite;
  animation-delay:var(--delay,0s);
}
.shooting.s1{top:14%;left:68%}
.shooting.s2{top:30%;left:22%;--dur:15s;--delay:6s;width:100px}
@keyframes shoot{
  0%{opacity:0;transform:rotate(-30deg) translateX(0)}
  2%{opacity:.95}
  8%{opacity:0;transform:rotate(-30deg) translateX(-300px)}
  100%{opacity:0;transform:rotate(-30deg) translateX(-300px)}
}

/* ---------- 蛍 — ページ全体を舞う光 ---------- */
#fireflies{
  position:fixed;inset:0;z-index:6;
  pointer-events:none;mix-blend-mode:screen;overflow:hidden;
}
.fly{
  position:absolute;bottom:-4vh;border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 10px 3px rgba(226,179,90,.45);
  opacity:0;will-change:transform;
  animation:
    rise var(--d,26s) linear infinite,
    sway var(--s,5s) ease-in-out infinite alternate,
    glow 3.4s ease-in-out infinite;
  animation-delay:var(--delay,0s),var(--delay,0s),0s;
}
@keyframes rise{
  0%{transform:translateY(0);opacity:0}
  8%{opacity:var(--o,.55)}
  80%{opacity:calc(var(--o,.55)*.7)}
  100%{transform:translateY(-118vh);opacity:0}
}
@keyframes sway{from{margin-left:0}to{margin-left:34px}}
@keyframes glow{0%,100%{filter:brightness(.6)}50%{filter:brightness(1.5)}}

.hero-inner{position:relative;text-align:center;z-index:2;width:100%;min-width:0}

.hero h1{
  font-family:var(--display);font-weight:800;
  font-size:clamp(2.6rem,8vw,5.4rem);
  letter-spacing:.03em;line-height:1.15;color:var(--moon);
  text-shadow:0 4px 34px rgba(0,0,0,.75), 0 1px 8px rgba(0,0,0,.55);
}
.hero h1 .dot{color:var(--gold)}
.hero .romaji{
  font-family:var(--mono);font-size:clamp(.7rem,1.6vw,.85rem);
  letter-spacing:.6em;color:var(--text-dim);text-transform:uppercase;
  display:block;margin-top:1.1rem;
}
.hero .tagline{
  margin-top:1.6rem;font-size:clamp(1rem,2.4vw,1.25rem);color:var(--text);
  text-shadow:0 2px 14px rgba(0,0,0,.8);
}
.hero .tagline strong{
  color:var(--gold);font-weight:700;
  border-bottom:1px solid var(--gold-soft);padding-bottom:2px;
}
.scroll-cue{
  position:absolute;bottom:2.2rem;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:.7rem;
  color:var(--text-dim);font-family:var(--mono);font-size:.65rem;letter-spacing:.4em;
  text-transform:uppercase;z-index:2;
}
.scroll-cue span{writing-mode:vertical-rl}
.scroll-cue i{
  width:1px;height:54px;background:linear-gradient(var(--gold),transparent);
  display:block;animation:drip 2.2s ease-in-out infinite;
}
@keyframes drip{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ====================================================
   ABOUT
==================================================== */
.about{background:linear-gradient(var(--ink), var(--indigo) 30%, var(--indigo))}
.about-grid{max-width:720px}

/* round avatar */
.avatar-row{display:flex;align-items:center;gap:1.4rem;margin-bottom:2rem}
.avatar{
  position:relative;flex-shrink:0;
  width:128px;height:128px;border-radius:50%;
  padding:4px;
  background:conic-gradient(from 210deg, var(--gold), #f0cf8a, var(--gold-soft), var(--gold));
  box-shadow:0 0 36px rgba(226,179,90,.22), 0 10px 28px rgba(0,0,0,.4);
}
.avatar img{
  width:100%;height:100%;border-radius:50%;
  object-fit:cover;display:block;
  border:3px solid var(--ink);
  transition:transform .5s cubic-bezier(.2,.8,.2,1);
}
.avatar:hover img{transform:scale(1.06) rotate(-2deg)}
.avatar::after{
  content:"🐾";position:absolute;right:-4px;bottom:-2px;
  font-size:1.2rem;filter:drop-shadow(0 2px 6px rgba(0,0,0,.5));
}
.avatar-name{font-family:var(--display);color:var(--moon);font-size:1.1rem;letter-spacing:.06em}
.avatar-name small{
  display:block;font-family:var(--mono);font-size:.62rem;
  letter-spacing:.32em;color:var(--text-dim);text-transform:uppercase;margin-top:.3rem;
}
.about p{color:var(--text);margin-bottom:1.4rem;font-size:1.02rem}
.about p:last-child{margin-bottom:0}
.about .lede::first-letter{
  font-family:var(--display);font-size:2.4em;color:var(--gold);
  float:left;line-height:1;padding-right:.12em;
}

/* ====================================================
   APPS — iOSアプリ ショーケース
==================================================== */
.apps{background:var(--ink)}

/* ---- MonoKit ブランドロックアップ ---- */
.brand-lockup{
  text-align:center;
  margin:0 auto 4.5rem;
  max-width:760px;
}
.brand-rule{
  display:flex;align-items:center;gap:1.1rem;
  margin-bottom:2.2rem;
}
.brand-rule::before,.brand-rule::after{
  content:"";flex:1;height:1px;
  background:linear-gradient(90deg, transparent, rgba(226,179,90,.55));
}
.brand-rule::after{
  background:linear-gradient(90deg, rgba(226,179,90,.55), transparent);
}
.brand-rule .gem{
  color:var(--gold);font-size:.72rem;line-height:1;
  text-shadow:0 0 12px rgba(226,179,90,.8);
  animation:gemPulse 3.6s ease-in-out infinite;
}
@keyframes gemPulse{
  0%,100%{opacity:.55;text-shadow:0 0 6px rgba(226,179,90,.4)}
  50%{opacity:1;text-shadow:0 0 16px rgba(226,179,90,.95)}
}
.brand-title{
  font-family:var(--display);font-weight:700;
  font-size:clamp(1.5rem,3.6vw,2.35rem);
  letter-spacing:.06em;line-height:1.3;
  background:linear-gradient(
    105deg,
    #9a7433 0%, #e2b35a 22%, #f9f0d8 38%, #e2b35a 50%,
    #b8873f 62%, #f3e7c9 80%, #9a7433 100%
  );
  background-size:250% auto;
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
  filter:drop-shadow(0 2px 18px rgba(226,179,90,.28));
  animation:goldSheen 7s linear infinite;
}
@keyframes goldSheen{
  0%{background-position:0% center}
  100%{background-position:-250% center}
}
.brand-sub{
  margin-top:1.15rem;
  font-family:var(--mono);
  font-size:clamp(.72rem,1.6vw,.85rem);
  letter-spacing:.22em;
  color:var(--text-dim);
}
@media (prefers-reduced-motion:reduce){
  .brand-title{background-position:35% center}
}
.app-block{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:3.5rem;align-items:center;
  padding:3.4rem 0;
}
.hslide+.hslide .app-block,.hslide+.hslide .ds-block{border-top:1px solid var(--line)}
.hscroll.active .hslide .ds-block{border-top:none}

/* ---- スクロール連動 横スライドショーケース（PCのみJSで有効化） ---- */
.apps{padding-left:0;padding-right:0}
.apps>.wrap{padding:0 1.5rem}
.hslide{padding:0 1.5rem}
.hscroll-dots{display:none}
.hscroll.active .hscroll-sticky{
  position:sticky;top:0;height:100svh;overflow:hidden;
  display:flex;flex-direction:column;justify-content:center;
}
.hscroll.active .hscroll-track{
  display:flex;align-items:center;will-change:transform;
}
.hscroll.active .hslide{
  flex:0 0 100vw;min-width:100vw;
  display:flex;align-items:center;justify-content:center;
}
.hscroll.active .hslide .wrap{width:100%}
.hscroll.active .hslide .app-block{border-top:none;padding:2rem 0}
.hscroll.active .hscroll-dots{
  display:flex;gap:.7rem;justify-content:center;
  position:absolute;left:0;right:0;bottom:2.2rem;
}
.hdot{
  width:8px;height:8px;border-radius:50%;
  background:var(--line);transition:background .35s,box-shadow .35s,transform .35s;
}
.hdot.on{
  background:var(--gold);transform:scale(1.25);
  box-shadow:0 0 10px rgba(226,179,90,.8);
}
.app-block.rev .app-info{order:2}
.app-block.rev .app-visual{order:1}
.app-head{display:flex;align-items:center;gap:1.3rem;margin-bottom:1.3rem}
.app-icon{
  width:96px;height:96px;border-radius:24px;flex-shrink:0;overflow:hidden;
  border:1px solid var(--line);
  box-shadow:0 14px 34px rgba(0,0,0,.5), 0 0 30px -12px var(--ab,var(--gold));
}
.app-icon img,.app-icon svg{width:100%;height:100%;display:block}
.app-name{font-family:var(--display);font-weight:700;font-size:1.85rem;color:var(--moon);letter-spacing:.03em;line-height:1.2}
.app-tagline{font-family:var(--mono);font-size:.7rem;letter-spacing:.28em;text-transform:uppercase;color:var(--ab,var(--gold));display:block;margin-top:.5rem}
.badges{display:flex;flex-wrap:wrap;gap:.55rem;margin:0 0 1.5rem}
.badge{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;
  padding:.42rem .9rem;border-radius:999px;
  border:1px solid var(--line);color:var(--text-dim);
}
.badge.gold{
  color:var(--ink);font-weight:700;border:none;
  background:linear-gradient(120deg,var(--gold),#f0cf8a);
}
.app-desc{color:var(--text);font-size:1rem;margin-bottom:1.5rem}
.app-feats{list-style:none;display:grid;gap:.65rem;margin-bottom:1.9rem}
.app-feats li{
  position:relative;padding-left:1.5rem;
  color:var(--text-dim);font-size:.94rem;line-height:1.7;
}
.app-feats li::before{
  content:"";position:absolute;left:2px;top:.62em;width:7px;height:7px;
  border-radius:50%;background:var(--ab,var(--gold));
  box-shadow:0 0 8px var(--ab,var(--gold));
}
.app-cta{
  display:inline-block;text-decoration:none;
  font-family:var(--display);font-size:.98rem;letter-spacing:.1em;
  color:var(--ink);background:linear-gradient(120deg,var(--gold),#f0cf8a);
  padding:.85rem 2.2rem;border-radius:999px;
  box-shadow:0 10px 28px rgba(226,179,90,.22);
  transition:transform .4s,box-shadow .4s;
}
.app-cta:hover{transform:translateY(-3px);box-shadow:0 15px 38px rgba(226,179,90,.35)}
.app-cta.ghost{
  color:var(--text-dim);background:none;border:1px solid var(--line);
  box-shadow:none;cursor:default;
}
.app-cta.ghost:hover{transform:none}
.app-cta.outline{
  color:var(--moon);background:none;border:1px solid var(--line);box-shadow:none;
  margin-left:.6rem;
}
.app-cta.outline:hover{border-color:var(--ab,var(--gold));color:var(--ab,var(--gold))}

/* ---- ポートフォリオ側: MonoKit 要約カード ---- */
.mk-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.1rem;
  max-width:1100px;margin:0 auto;
}
.mk-card{
  display:flex;align-items:center;gap:1rem;text-decoration:none;
  padding:1.1rem 1.2rem;border-radius:18px;
  background:var(--indigo);border:1px solid var(--line);
  transition:transform .45s cubic-bezier(.2,.8,.2,1),border-color .45s,box-shadow .45s;
}
.mk-card:hover,.mk-card:focus-visible{
  transform:translateY(-5px);border-color:var(--ab,var(--gold));
  box-shadow:0 18px 40px rgba(0,0,0,.45),0 0 28px -12px var(--ab,var(--gold));
}
.mk-card img,.mk-card svg{width:58px;height:58px;border-radius:14px;flex-shrink:0;display:block}
.mk-card b{display:block;font-family:var(--display);font-size:1.05rem;color:var(--moon);letter-spacing:.03em;line-height:1.35}
.mk-card small{display:block;font-size:.78rem;color:var(--text-dim);line-height:1.5;margin-top:.2rem}
.mk-more{text-align:center;margin-top:2.8rem}

/* ---- MonoKit ページ ---- */
.mk-nav{
  position:fixed;top:1.2rem;left:1.3rem;z-index:20;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-decoration:none;
  color:var(--moon);background:rgba(11,14,29,.55);
  border:1px solid var(--line);border-radius:999px;
  padding:.52rem 1.15rem;backdrop-filter:blur(6px);
  transition:border-color .3s,color .3s;
}
.mk-nav:hover{border-color:var(--gold);color:var(--gold)}
.mk-hero{
  min-height:88svh;display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(900px 520px at 50% 40%, rgba(226,179,90,.13), transparent 65%),
    radial-gradient(1200px 700px at 50% -10%, #1d2750 0%, transparent 60%),
    var(--ink);
}
.mk-hero .brand-lockup{margin-bottom:0;width:100%;min-width:0}
.mk-hero .brand-title{font-size:clamp(1.8rem,5vw,3.4rem)}
.mk-lead{margin-top:2rem;color:var(--text);font-size:clamp(.95rem,2.2vw,1.1rem)}
/* ---- MonoKit: 現在のダウンロード状況 ---- */
.ds-block{max-width:880px;margin:0 auto;text-align:center;padding:3rem 0}
.ds-block.ds-main{margin-top:4.5rem;padding-top:4rem;border-top:1px solid var(--line)}
.ds-label{
  font-size:.82rem;letter-spacing:.3em;color:var(--gold);margin-bottom:1rem;
}
.ds-headline{
  font-family:var(--display);font-weight:700;color:var(--moon);
  font-size:clamp(1.9rem,5vw,3.1rem);letter-spacing:.03em;line-height:1.25;
}
.ds-desc{max-width:36em;margin:1.3rem auto 0;color:var(--text);font-size:clamp(.95rem,2vw,1.05rem)}
.ds-metrics{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin:2.6rem auto 0;max-width:720px;
}
.ds-metric{display:flex;flex-direction:column-reverse;align-items:center;padding:.4rem 1rem}
.ds-metric+.ds-metric{border-left:1px solid var(--line)}
.ds-metric dd{
  font-family:var(--display);font-weight:800;line-height:1.1;
  font-size:clamp(2.6rem,6vw,3.8rem);color:var(--gold);
}
.ds-suffix{font-size:.62em;margin-left:.04em}
.ds-metric dt{
  font-family:var(--mono);font-size:.74rem;letter-spacing:.26em;text-transform:uppercase;
  color:var(--moon);margin-top:.45rem;
}
.ds-note{
  max-width:40em;margin:1.8rem auto 0;
  font-size:.84rem;line-height:1.75;color:var(--text-dim);
}
.ds-countries{margin-top:1.7rem}
.ds-countries-title{font-size:.84rem;color:var(--text-dim)}
.ds-countries ul{
  list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:.45rem;
  margin-top:.7rem;
}
.ds-countries li{
  font-size:.8rem;color:var(--text);
  border:1px solid var(--line);border-radius:999px;padding:.22rem .8rem;
}
.ds-closing{
  margin-top:2.4rem;font-family:var(--display);color:var(--moon);
  font-size:clamp(1rem,2.4vw,1.2rem);letter-spacing:.04em;line-height:1.9;
}
@media (max-width:640px){
  .ds-block{padding:2.5rem 0}
  .ds-metrics{grid-template-columns:1fr;max-width:260px;gap:0}
  .ds-metric{padding:1rem 0}
  .ds-metric+.ds-metric{border-left:none;border-top:1px solid var(--line)}
}
.mk-count{
  margin-top:1.6rem;font-family:var(--mono);font-size:.7rem;letter-spacing:.3em;
  text-transform:uppercase;color:var(--gold);
}
.cta-note{display:block;margin-top:.8rem;font-size:.78rem;color:var(--text-dim)}
/* iPhone枠 */
.phone-row{display:flex;gap:1.6rem;justify-content:center;align-items:center}
.phone{
  width:min(225px,40vw);border-radius:30px;padding:9px;flex-shrink:0;
  background:#05070f;border:1px solid #2a3358;
  box-shadow:0 26px 60px rgba(0,0,0,.6), 0 0 44px -16px var(--ab,var(--gold));
}
.phone img{width:100%;border-radius:22px;display:block}
.phone.tilt-l{transform:rotate(-4.5deg) translateY(14px)}
.phone.tilt-r{transform:rotate(3.5deg) translateY(-6px)}

/* ====================================================
   PROJECTS（お遊びアプリ）
==================================================== */
.projects{background:var(--ink)}
.projects .lead{color:var(--text-dim);max-width:640px;margin-top:-2rem;margin-bottom:3.2rem}
.proj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}
.proj{
  position:relative;display:flex;flex-direction:column;text-decoration:none;
  background:var(--indigo);border:1px solid var(--line);border-radius:20px;overflow:hidden;
  transition:transform .55s cubic-bezier(.2,.8,.2,1),border-color .55s,box-shadow .55s;
}
.proj:hover,.proj:focus-visible{
  transform:translateY(-10px);
  border-color:var(--pb,var(--gold));
  box-shadow:0 26px 56px rgba(0,0,0,.5), 0 0 36px -14px var(--pb,var(--gold));
}
/* 通し番号（壱・弐・参） */
.proj .num{
  position:absolute;top:.9rem;left:1.1rem;z-index:3;
  font-family:var(--display);font-weight:700;font-size:.8rem;letter-spacing:.3em;
  color:var(--moon);opacity:.85;
  writing-mode:vertical-rl;
  padding:.6rem .3rem;
  background:rgba(11,14,29,.45);border:1px solid rgba(243,231,201,.25);
  border-radius:999px;backdrop-filter:blur(4px);
}
/* ビジュアル */
.proj-visual{
  position:relative;height:250px;display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.proj-visual .scene{
  position:absolute;inset:0;width:100%;height:100%;
  background-size:cover;background-position:center;background-repeat:no-repeat;
  transition:transform .9s cubic-bezier(.2,.8,.2,1);
}
.proj:hover .proj-visual .scene{transform:scale(1.07)}
.proj-visual::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(rgba(11,14,29,0) 40%, rgba(11,14,29,.72));
}
.proj-visual .big{
  position:relative;z-index:2;font-size:3.6rem;
  filter:drop-shadow(0 8px 22px rgba(0,0,0,.55));
  transition:transform .55s cubic-bezier(.2,.8,.2,1);
}
.proj:hover .proj-visual .big{transform:scale(1.14) translateY(-4px)}
.proj-visual .zen{
  font-family:var(--display);font-size:3.8rem;font-weight:800;color:var(--moon);
  text-shadow:0 6px 32px rgba(0,0,0,.5);
}
/* 準備中カード */
.proj.soon{cursor:default}
.proj .soon-tag{
  position:absolute;right:1rem;bottom:.9rem;z-index:3;
  font-family:var(--mono);font-size:.66rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--text-dim);background:rgba(11,14,29,.6);
  border:1px solid var(--line);
  padding:.45rem .95rem;border-radius:999px;backdrop-filter:blur(4px);
}
/* 「見る」リボン — ホバーで現れる */
.proj .view{
  position:absolute;right:1rem;bottom:.9rem;z-index:3;
  display:flex;align-items:center;gap:.45rem;
  font-family:var(--mono);font-size:.66rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--ink);background:linear-gradient(120deg,var(--gold),#f0cf8a);
  padding:.45rem .95rem;border-radius:999px;
  opacity:0;transform:translateY(8px);
  transition:opacity .45s,transform .45s;
}
.proj:hover .view,.proj:focus-visible .view{opacity:1;transform:none}
.proj .view svg{width:11px;height:11px}
/* 本文 */
.proj-body{padding:1.7rem 1.6rem 1.9rem;display:flex;flex-direction:column;flex:1;position:relative}
.proj-body::before{
  content:"";position:absolute;top:0;left:1.6rem;right:1.6rem;height:1px;
  background:linear-gradient(90deg, var(--pb,var(--gold)), transparent 70%);
  opacity:.45;
}
.proj-body .en{
  font-family:var(--mono);font-size:.6rem;letter-spacing:.34em;text-transform:uppercase;
  color:var(--pb,var(--gold));margin-bottom:.55rem;
}
.proj-body h3{
  font-family:var(--display);font-size:1.3rem;color:var(--moon);
  letter-spacing:.04em;margin-bottom:.75rem;
}
.proj-body p{font-size:.92rem;color:var(--text-dim);flex:1;margin:0}

/* ====================================================
   CONTACT
==================================================== */
.contact{
  background:
    radial-gradient(800px 420px at 50% 115%, rgba(226,179,90,.10), transparent 65%),
    linear-gradient(rgba(11,14,29,.92) 0%, rgba(11,14,29,.72) 55%, rgba(20,26,51,.88) 100%),
    url('img/contact-night.png') center/cover no-repeat,
    linear-gradient(var(--ink), var(--indigo));
  text-align:center;
}
.contact .tate{left:50%;transform:translateX(-50%);top:-1.5rem;position:relative;display:inline-block;margin-bottom:2rem}
.contact h2{margin-bottom:1.6rem}
.contact .msg{color:var(--text-dim);max-width:560px;margin:0 auto 1rem}
.contact .msg-jp{color:var(--text);max-width:560px;margin:0 auto 3.2rem}
.contact-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,260px));gap:1.2rem;
  justify-content:center;margin-bottom:3.2rem;
}
.c-card{
  position:relative;display:block;text-decoration:none;text-align:center;
  border-radius:16px;padding:1.8rem 1.4rem;overflow:hidden;
  transition:transform .45s cubic-bezier(.2,.8,.2,1),box-shadow .45s,border-color .45s;
}
.c-card:hover,.c-card:focus-visible{transform:translateY(-6px)}
.c-card .logo{display:flex;justify-content:center;margin-bottom:.95rem}
.c-card .logo svg{width:30px;height:30px}
.c-card h3{font-family:var(--body);font-weight:700;font-size:1rem;letter-spacing:.02em;margin-bottom:.3rem}
.c-card p{font-family:var(--mono);font-size:.78rem;transition:opacity .35s}
.c-card .go{
  position:absolute;top:.9rem;right:1rem;
  opacity:0;transform:translate(-4px,4px);transition:.4s;
}
.c-card:hover .go{opacity:1;transform:none}
.c-card .go svg{width:13px;height:13px}

/* X — 黒背景に白 */
.c-x{
  background:#000;
  border:1px solid #2f3336;
  color:#fff;
}
.c-x h3{color:#fff}
.c-x p{color:#8b98a5}
.c-x:hover{border-color:#e7e9ea;box-shadow:0 16px 38px rgba(0,0,0,.55), 0 0 26px -10px rgba(255,255,255,.45)}
.c-x:hover p{color:#e7e9ea}
.c-x .logo svg,.c-x .go svg{fill:#fff;stroke:#fff}

/* Substack — オレンジと白 */
.c-substack{
  background:#FF6719;
  border:1px solid #ff8547;
  color:#fff;
}
.c-substack::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(155deg, rgba(255,255,255,.16), transparent 55%);
  pointer-events:none;
}
.c-substack h3{color:#fff}
.c-substack p{color:rgba(255,255,255,.85)}
.c-substack:hover{border-color:#fff;box-shadow:0 16px 38px rgba(0,0,0,.45), 0 0 30px -8px rgba(255,103,25,.8)}
.c-substack:hover p{color:#fff}
.c-substack .logo svg,.c-substack .go svg{fill:#fff;stroke:#fff}
.cta-row{display:flex;justify-content:center;align-items:center;gap:1.1rem;flex-wrap:wrap}
.cta{
  display:inline-block;text-decoration:none;
  font-family:var(--display);font-size:1.05rem;letter-spacing:.12em;
  color:var(--ink);background:linear-gradient(120deg,var(--gold),#f0cf8a);
  padding:1rem 3.2rem;border-radius:999px;
  box-shadow:0 10px 32px rgba(226,179,90,.25);
  transition:transform .4s,box-shadow .4s;
}
.cta:hover{transform:translateY(-3px);box-shadow:0 16px 42px rgba(226,179,90,.38)}
.cta.substack{
  color:#fff;
  background:linear-gradient(120deg,#FF6719,#ff8a47);
  box-shadow:0 10px 32px rgba(255,103,25,.28);
}
.cta.substack:hover{box-shadow:0 16px 42px rgba(255,103,25,.42)}
footer{
  margin-top:5rem;padding-top:2.2rem;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;color:var(--text-dim);
}
footer .paw{color:var(--gold)}

/* ====================================================
   responsive / a11y
==================================================== */
@media (max-width:980px){
  .tate{position:static;writing-mode:horizontal-tb;letter-spacing:.4em;display:inline-block;margin-bottom:1rem}
  .tate::after{display:none}
  .proj-grid{grid-template-columns:1fr 1fr}
  .app-block{grid-template-columns:minmax(0,1fr);gap:2.6rem}
  .app-block.rev .app-info{order:1}
  .app-block.rev .app-visual{order:2}
}
@media (max-width:640px){
  section{padding:5rem 1.25rem}
  .app-tagline{letter-spacing:.14em}
  .proj-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;max-width:320px;margin-left:auto;margin-right:auto}
}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .fade-in{opacity:1;transform:none}
}

.ds-periods{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.2rem;margin:2.6rem auto 0;max-width:1000px;text-align:center}
.ds-period{padding:1.8rem 1rem;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,rgba(229,181,88,.055),rgba(11,14,29,.3));min-width:0}
.ds-period-tag{font-family:var(--mono);font-size:.7rem;letter-spacing:.25em;color:var(--gold);margin-bottom:.45rem}
.ds-period h3{font-family:var(--display);font-size:1.4rem;color:var(--moon)}
.ds-period .ds-metrics{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:1.5rem;max-width:none}
.ds-period .ds-metric{padding:.4rem .5rem;border-top:0}
.ds-period .ds-metric+.ds-metric{border-left:1px solid var(--line)}
.ds-period .ds-metric dd{font-size:clamp(2.5rem,5vw,3.8rem);margin:0}
.ds-period .ds-metric dt{font-size:.62rem;letter-spacing:.13em}
.ds-period .ds-countries{margin-top:1.4rem}.ds-ads{font-family:var(--mono);letter-spacing:.18em;font-size:.75rem;color:var(--gold);margin-top:1rem}
@media(max-width:640px){.ds-periods{grid-template-columns:1fr;gap:1rem}.ds-period{padding:1.4rem .8rem}.ds-period .ds-metrics{max-width:100%}}