/* =====================================================================
   White Engineer — style.css   (PIXEL / DOT Edition)
   Dark hero → scroll brightens · 8-bit blocky UI · CRT terminal
   ===================================================================== */
:root{
  --ink:#0b0b0f;
  --ink2:#4b4b57;
  --paper:#f0ecdf;
  --paper2:#e2dccb;
  --line:#0b0b0f22;
  --line2:#0b0b0f44;
  --line-d:#ffffff22;
  --accent:#3556ff;   /* electric blue (ロボットのアクセント) */
  --lime:#3ff07b;
  --hot:#ff4d5e;
  --sun:#ffd23f;
  --pixel:'Press Start 2P',monospace;
  --dot:'DotGothic16',sans-serif;
  --sans:'Noto Sans JP',sans-serif;
  --crt:'VT323',monospace;
  --mono:'JetBrains Mono',monospace;
  --ease:cubic-bezier(.2,.9,.25,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-stopped{overflow:hidden}
body{
  font-family:var(--sans);color:var(--ink);background:transparent;
  line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
em{font-style:normal}
::selection{background:var(--accent);color:#fff}
button{font-family:inherit}

/* pixel logo */
.brand-logo img,.pre-logo img,.hero-avatar img{image-rendering:pixelated;image-rendering:crisp-edges}

/* ===== 背景（スクロールで暗→明） ===== */
.bg-layer{position:fixed;inset:0;z-index:-5;background:var(--paper)}   /* JS無し時は明るい */
.grain{position:fixed;inset:-50%;z-index:9;pointer-events:none;opacity:.045;
  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='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 7s steps(5) infinite}
@keyframes grain{0%,100%{transform:translate(0,0)}25%{transform:translate(-5%,3%)}50%{transform:translate(4%,-4%)}75%{transform:translate(-3%,4%)}}
.bg-dots{position:fixed;inset:0;z-index:-4;pointer-events:none;opacity:.4;
  background-image:radial-gradient(rgba(128,128,150,.5) 1.5px,transparent 1.5px);background-size:24px 24px;
  -webkit-mask-image:radial-gradient(ellipse 100% 75% at 50% 40%,#000,transparent 85%);
  mask-image:radial-gradient(ellipse 100% 75% at 50% 40%,#000,transparent 85%)}

/* ===== カスタムカーソル（ピクセル） ===== */
.cursor{position:fixed;top:0;left:0;z-index:100;width:14px;height:14px;background:var(--accent);
  pointer-events:none;transform:translate(-50%,-50%);transition:width .25s var(--ease),height .25s var(--ease)}
.cursor.hover{width:74px;height:74px}
.cursor-label{position:absolute;inset:0;display:grid;place-items:center;color:#fff;
  font-family:var(--pixel);font-size:8px;letter-spacing:0;opacity:0;transition:.2s;text-align:center;line-height:1.4}
.cursor.hover .cursor-label{opacity:1}
@media(pointer:fine){body{cursor:none}a,button,input,.magnetic{cursor:none}}
@media(pointer:coarse){.cursor{display:none}}

/* ===== プリローダー ===== */
.preloader{position:fixed;inset:0;z-index:200;background:var(--ink);color:var(--paper);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px}
.preloader.done{transform:translateY(-101%);transition:transform .9s var(--ease)}
.pre-inner{display:flex;align-items:center;gap:16px}
.pre-logo{width:56px;height:56px;overflow:hidden;border:3px solid var(--paper)}
.pre-logo img{width:100%;height:100%;object-fit:cover}
.pre-name{font-family:var(--dot);font-weight:400;font-size:26px}
.pre-name em{color:var(--accent)}
.pre-count{font-family:var(--pixel);font-size:14px;opacity:.85}
.pre-count i{opacity:.5;font-style:normal}
.pre-bar{width:min(320px,60vw);height:6px;background:#ffffff1a;overflow:hidden;border:1px solid #ffffff33}
.pre-bar span{display:block;height:100%;width:0;background:var(--accent);
  background-image:repeating-linear-gradient(90deg,transparent 0 6px,#ffffff33 6px 8px)}
body.loading{overflow:hidden;height:100vh}

/* ===== ロゴ共通 ===== */
.brand-logo{width:40px;height:40px;overflow:hidden;border:2px solid currentColor;flex:0 0 auto}
.brand-logo.sm{width:34px;height:34px}
.brand-logo img{width:100%;height:100%;object-fit:cover}

/* ===== トップバー ===== */
.topbar{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(16px,4vw,44px);color:var(--paper);transition:color .45s var(--ease),padding .35s,background .45s,border-color .45s;
  border-bottom:2px solid transparent}
.topbar.docked{background:var(--paper);border-bottom-color:var(--ink);color:var(--ink);padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--dot);font-size:20px}
.brand em{color:var(--accent)}
.topbar-right{display:flex;align-items:center;gap:14px}
.pill-btn{font-family:var(--pixel);font-size:10px;padding:12px 16px;border:2px solid currentColor;
  transition:.2s var(--ease);position:relative;box-shadow:3px 3px 0 currentColor}
.pill-btn span{position:relative;z-index:1}
.pill-btn:hover{transform:translate(3px,3px);box-shadow:0 0 0 currentColor}

/* SNS アイコン（四角ブロック） */
.sns-row{display:flex;gap:8px}
.sns-ic{width:40px;height:40px;display:grid;place-items:center;border:2px solid currentColor;
  color:inherit;transition:.2s var(--ease);box-shadow:3px 3px 0 currentColor}
.sns-ic svg{width:18px;height:18px}
.sns-ic:hover{transform:translate(3px,3px);box-shadow:0 0 0;background:var(--accent);border-color:var(--accent);color:#fff}

/* ===== HERO（ダーク） ===== */
.hero{position:relative;min-height:100vh;background:var(--ink);color:var(--paper);
  padding:120px clamp(18px,4vw,48px) 40px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(#ffffff0c 1px,transparent 1px),linear-gradient(90deg,#ffffff0c 1px,transparent 1px);
  background-size:40px 40px;-webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 40%,#000,transparent 80%);
  mask-image:radial-gradient(ellipse 90% 70% at 50% 40%,#000,transparent 80%)}
.hero>*{position:relative;z-index:1}
.hero-meta{display:flex;justify-content:space-between;gap:12px;font-family:var(--pixel);font-size:9.5px;line-height:1.8;
  color:#ffffffaa;border-bottom:2px solid #ffffff22;padding-bottom:16px;margin-top:26px}
.hm-mid{opacity:.6}
.hm-live{display:inline-flex;align-items:center;gap:9px;color:var(--paper)}
.live-dot{width:9px;height:9px;background:var(--lime);box-shadow:0 0 8px var(--lime);animation:blink 1.1s steps(1) infinite}
.hero-title{font-family:var(--dot);font-weight:400;line-height:1.05;letter-spacing:.01em;margin:auto 0;
  font-size:clamp(40px,10.5vw,150px)}
.hero-title .line{display:block;overflow:hidden}
.hero-title .w{display:inline-block;will-change:transform}
.hero-title em{color:var(--accent);position:relative}
.hero-title em::after{content:"";position:absolute;left:0;right:0;bottom:.02em;height:.12em;background:var(--accent);opacity:.35}
.hero-title .small{font-size:.4em;color:#ffffffcc;margin-top:.2em}
.hero-bottom{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;
  border-top:2px solid #ffffff22;padding-top:22px}
.hero-lead{font-size:clamp(14px,1.6vw,17px);color:#ffffffcc;max-width:440px}
.cta-link{display:inline-flex;align-items:center;gap:14px;font-family:var(--dot);font-size:clamp(18px,2.2vw,26px);color:var(--paper)}
.cta-arrow{width:48px;height:48px;border:2px solid var(--paper);display:grid;place-items:center;transition:.25s var(--ease);box-shadow:4px 4px 0 var(--accent)}
.cta-link:hover .cta-arrow{background:var(--accent);border-color:var(--accent);transform:translate(4px,4px);box-shadow:0 0 0}
.hero-avatar{position:absolute;top:15%;right:5vw;width:clamp(96px,14vw,210px);aspect-ratio:1;
  border:3px solid var(--paper);box-shadow:10px 10px 0 var(--accent);overflow:hidden;z-index:2}
.hero-avatar img{width:100%;height:100%;object-fit:cover}
.scroll-cue{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);display:flex;flex-direction:column;
  align-items:center;gap:8px;font-family:var(--pixel);font-size:8.5px;color:#ffffff99;z-index:1}
.scroll-cue i{width:2px;height:34px;background:#ffffff33;position:relative;overflow:hidden}
.scroll-cue i::after{content:"";position:absolute;top:-100%;left:0;width:100%;height:100%;background:var(--lime);animation:cue 1.6s steps(8) infinite}
@keyframes cue{0%{top:-100%}60%,100%{top:100%}}
@keyframes blink{50%{opacity:.25}}

/* ===== マーキー（暗→明の境界） ===== */
.marquee{border-top:3px solid var(--ink);border-bottom:3px solid var(--ink);padding:16px 0;overflow:hidden;
  background:var(--ink);color:var(--paper)}
.marquee-track{display:flex;gap:30px;width:max-content;animation:scroll 24s linear infinite;
  font-family:var(--dot);font-size:clamp(22px,3.4vw,44px)}
.marquee-track span{display:inline-flex;align-items:center;gap:30px}
.marquee-track span::after{content:"</>";color:var(--lime);font-family:var(--mono);font-size:.55em}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ===== ピクセル・ディゾルブ（暗→明の境界） ===== */
.pixel-wipe{height:150px;position:relative;
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink) 6%,var(--paper) 96%)}
.pixel-wipe::before{content:"";position:absolute;inset:0;opacity:.7;
  background-image:radial-gradient(var(--ink) 1.6px,transparent 1.7px);background-size:13px 13px;
  -webkit-mask:linear-gradient(180deg,#000 5%,transparent 70%);mask:linear-gradient(180deg,#000 5%,transparent 70%)}

/* ===== セクション共通（明るい） ===== */
.section{max-width:1280px;margin:0 auto;padding:clamp(72px,11vw,140px) clamp(18px,4vw,48px)}
.sec-no{font-family:var(--pixel);font-size:10px;color:var(--ink2);display:inline-block;margin-bottom:30px}
.sec-no b{color:var(--accent)}
.tools-head{margin-bottom:44px}
.tools-h2{font-family:var(--dot);font-weight:400;font-size:clamp(32px,6vw,74px);line-height:1.06}
.tools-h2 em{color:var(--accent)}
.tools-desc{color:var(--ink2);margin-top:16px;max-width:540px;font-size:15px}

/* ===== ABOUT ===== */
.about-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(32px,5vw,60px);align-items:center}
.manifesto-text{font-family:var(--dot);font-weight:400;font-size:clamp(22px,3.3vw,38px);line-height:1.5;max-width:22ch}
.manifesto-text .mw{display:inline-block}
.manifesto-text em{color:var(--accent)}
.about-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.about-tags span{font-family:var(--mono);font-size:12.5px;font-weight:700;color:var(--ink);border:2px solid var(--ink);
  padding:8px 14px;transition:.2s var(--ease);box-shadow:3px 3px 0 var(--ink)}
.about-tags span:hover{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:3px 3px 0 var(--accent);transform:translate(-1px,-1px)}

/* CRT ターミナル */
.terminal{background:#04140b;border:3px solid var(--ink);box-shadow:12px 12px 0 var(--lime);overflow:hidden;align-self:center;position:relative}
.terminal::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg,transparent 0 2px,#00000055 2px 4px);opacity:.5}
.term-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:#0a2a16;border-bottom:2px solid #124a28}
.term-bar .td{width:12px;height:12px}
.td.red{background:#ff5f56}.td.yel{background:#ffbd2e}.td.grn{background:#27c93f}
.term-title{margin-left:auto;font-family:var(--pixel);font-size:8.5px;color:#4be07b}
.term-body{padding:18px 20px 22px;font-family:var(--crt);font-size:20px;line-height:1.35;color:#5cf08a;
  text-shadow:0 0 5px rgba(92,240,138,.45);overflow-x:auto;position:relative;z-index:1}
.term-body p{margin:0}
.tp{color:#aaffca}
.tout{color:#3bd070;padding-left:4px}
.tjson{font-family:var(--crt);font-size:19px;line-height:1.35;white-space:pre;margin:0}
.tk{color:#7fd4ff}
.ts{color:#ffe08a}
.tcursor{color:#5cf08a;animation:blink 1s steps(1) infinite}

/* ===== TOOLS リスト ===== */
.tools-bar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:6px}
.search{display:flex;align-items:center;gap:10px;border:2px solid var(--ink);padding:11px 16px;
  min-width:220px;flex:1;max-width:320px;color:var(--ink2);box-shadow:4px 4px 0 var(--ink);transition:.2s}
.search:focus-within{box-shadow:4px 4px 0 var(--accent);border-color:var(--accent)}
.search input{border:none;outline:none;background:none;font-family:var(--sans);font-size:15px;color:var(--ink);width:100%}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-family:var(--pixel);font-size:9px;padding:11px 13px;border:2px solid var(--ink);color:var(--ink);
  background:none;cursor:pointer;transition:.2s var(--ease);box-shadow:3px 3px 0 var(--ink)}
.chip:hover{transform:translate(-1px,-1px);color:var(--accent)}
.chip.active{background:var(--ink);color:var(--paper)}
.chip.active:hover{color:var(--lime)}

.tool-list{margin-top:20px;border-top:3px solid var(--ink)}
.tool-row{position:relative;display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:22px;
  padding:26px 22px;border-bottom:2px solid var(--line);overflow:hidden;transition:color .3s var(--ease)}
.tool-row::before{content:"";position:absolute;inset:0;background:var(--ink);transform:translateY(101%);transition:transform .35s var(--ease);z-index:0}
.tool-row:hover::before{transform:translateY(0)}
.tool-row>*{position:relative;z-index:1}
.tool-row:hover{color:var(--paper)}
.tr-no{font-family:var(--pixel);font-size:12px;color:var(--ink2);transition:color .3s}
.tool-row:hover .tr-no{color:var(--lime)}
.tr-main{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.tr-ic{font-size:26px;line-height:1;image-rendering:pixelated}
.tr-name{font-family:var(--dot);font-size:clamp(21px,3vw,36px)}
.tr-desc{color:var(--ink2);font-size:14px;margin-top:6px;max-width:60ch;transition:color .3s}
.tr-slash{font-family:var(--mono);color:var(--accent)}
.tool-row:hover .tr-desc{color:#ffffffb0}
.tr-right{display:flex;align-items:center;gap:20px}
.tr-cat{font-family:var(--mono);font-size:12px;color:var(--ink2);transition:color .3s}
.tool-row:hover .tr-cat{color:#ffffff99}
.tr-status{font-family:var(--pixel);font-size:8.5px;padding:7px 10px;border:2px solid var(--line2);transition:.3s}
.tr-status.live{color:var(--accent);border-color:var(--accent)}
.tool-row:hover .tr-status{border-color:#ffffff55;color:var(--paper)}
.tr-arrow{width:46px;height:46px;border:2px solid var(--line2);display:grid;place-items:center;font-size:18px;transition:.25s var(--ease);flex:0 0 auto}
.tool-row:hover .tr-arrow{border-color:var(--lime);background:var(--lime);color:var(--ink)}
.tool-empty{text-align:center;color:var(--ink2);padding:50px;font-size:15px}

/* ===== CHANNELS ===== */
.channel-list{border-top:3px solid var(--ink)}
.channel-row{position:relative;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:22px;
  padding:30px 22px;border-bottom:2px solid var(--line);overflow:hidden;transition:color .3s var(--ease)}
.channel-row::before{content:"";position:absolute;inset:0;background:var(--cc);transform:translateY(101%);transition:transform .35s var(--ease);z-index:0}
.channel-row:hover::before{transform:translateY(0)}
.channel-row>*{position:relative;z-index:1}
.channel-row:hover{color:#fff}
.cr-ic{width:52px;height:52px;display:grid;place-items:center;background:var(--cc);color:#fff;border:2px solid var(--ink);transition:.3s}
.cr-ic svg{width:26px;height:26px}
.channel-row:hover .cr-ic{background:#ffffff22;border-color:#fff}
.cr-name{font-family:var(--dot);font-size:clamp(21px,3vw,34px)}
.cr-handle{font-family:var(--mono);font-size:12.5px;color:var(--ink2);transition:color .3s}
.channel-row:hover .cr-handle{color:#ffffffc0}
.cr-go{font-family:var(--pixel);font-size:9px;display:flex;align-items:center;gap:10px;transition:gap .25s}
.channel-row:hover .cr-go{gap:16px}

/* ===== CONTACT ===== */
.contact-h2{font-family:var(--dot);font-weight:400;font-size:clamp(40px,9vw,130px);line-height:1.05}
.contact-h2 .line{display:block;overflow:hidden}
.contact-h2 .w{display:inline-block}
.contact-h2 em{color:var(--accent)}
.contact-social{display:flex;gap:12px;margin-top:44px}
.contact-social .sns-ic{width:58px;height:58px}
.contact-social .sns-ic svg{width:22px;height:22px}

/* ===== FOOTER ===== */
.footer{border-top:3px solid var(--ink);padding:40px clamp(18px,4vw,48px) 30px;overflow:hidden}
.foot-word{font-family:var(--dot);font-size:clamp(44px,16vw,230px);line-height:.95;text-align:center;margin:6px 0 36px;white-space:nowrap}
.foot-word em{color:var(--accent)}
.foot-row{display:flex;align-items:center;gap:24px;flex-wrap:wrap;border-top:2px solid var(--line);padding-top:24px}
.foot-brand{display:flex;align-items:center;gap:11px;font-family:var(--dot);font-size:16px}
.foot-social{display:flex;gap:8px;margin-left:auto}
.to-top{font-family:var(--pixel);font-size:9px;background:none;border:2px solid var(--ink);color:var(--ink);
  padding:12px 15px;cursor:pointer;transition:.2s var(--ease);box-shadow:3px 3px 0 var(--ink)}
.to-top:hover{transform:translate(3px,3px);box-shadow:0 0 0;background:var(--accent);border-color:var(--accent);color:#fff}
.foot-copy{font-family:var(--mono);font-size:11.5px;color:var(--ink2);text-align:center;margin-top:22px}

/* ===== reveal ===== */
.reveal{opacity:0;transform:translateY(28px)}
.reveal.in{opacity:1;transform:none;transition:.8s var(--ease)}

/* ===== レスポンシブ ===== */
@media(max-width:820px){
  .hero-avatar{top:auto;bottom:15%;right:6vw}
  .brand-txt{display:none}
  .about-grid{grid-template-columns:1fr}
  .terminal{box-shadow:8px 8px 0 var(--lime)}
  .tool-row{grid-template-columns:36px 1fr;gap:12px}
  .tr-right{grid-column:2;justify-content:flex-start;flex-wrap:wrap;gap:12px;margin-top:6px}
  .tr-arrow{position:absolute;right:16px;top:22px}
  .channel-row{grid-template-columns:auto 1fr;gap:14px}
  .cr-go{grid-column:2;margin-top:4px}
}
@media(max-width:520px){
  .pc{display:none}
  .hero-meta{font-size:8px}
  .foot-word{font-size:20vw}
}
@media(prefers-reduced-motion:reduce){
  .grain,.marquee-track,.scroll-cue i::after,.live-dot,.tcursor{animation:none}
  .reveal{opacity:1;transform:none}
}