:root {
  --bg: #0b0d0e;
  --surface: #121517;
  --surface-2: #191d20;
  --ink: #d8dcda;
  --bright: #f2f4f1;
  --sub: #81888a;
  --line: #343a3d;
  --line-strong: #596165;
  --accent: #d5a900;
  --danger: #b7372d;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    linear-gradient(rgb(255 255 255 / 2%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 2%) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--ink);
  font-family: "Arial Narrow", "Noto Sans JP", "Yu Gothic", sans-serif;
  line-height: 1.75;
  letter-spacing: .035em;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.wrap { width: min(1240px, 94vw); margin-inline: auto; }
.tag {
  color: var(--accent);
  font-family: Consolas, "Courier New", monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.site-header { position: relative; z-index: 20; border-bottom: 1px solid var(--line-strong); background: #090b0c; }
.site-header .wrap { display: flex; justify-content: space-between; align-items: stretch; gap: 24px; }
.site-brand { display: flex; align-items: center; gap: 11px; min-height: 76px; padding: 9px 0; }
.site-brand > img { width: 48px; height: 48px; object-fit: cover; }
.site-brand > span { display: grid; align-content: center; }
.site-brand strong { color: var(--bright); font: 900 23px/1 "Arial Black", "Noto Sans JP", sans-serif; letter-spacing: -.02em; text-transform: uppercase; }
.site-nav { display: flex; }
.site-nav a { display: grid; place-items: center; padding: 0 15px; border-left: 1px solid var(--line); color: var(--sub); font: 10px/1 Consolas, monospace; letter-spacing: .06em; text-transform: uppercase; }
.site-nav a:hover, .site-nav a.is-current { background: var(--bright); color: #090b0c; }
.site-network { display: flex; align-items: stretch; margin-left: 10px; border-left: 1px solid var(--line-strong); }
.site-network a, .site-network > span { display: grid; place-items: center; padding: 0 10px; border-right: 1px solid var(--line); color: #9ea5a4; font: 9px/1 Consolas, monospace; letter-spacing: .04em; white-space: nowrap; }
.site-network a { border-bottom: 3px solid var(--accent); }
.site-network a:hover { background: var(--bright); color: #090b0c; }
.site-network > span { color: #555d5e; cursor: default; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 42px;
  border-bottom: 1px solid var(--line-strong);
  background: linear-gradient(115deg, #171a1c 0 68%, #0d0f10 68%);
}
.hero::before {
  position: absolute;
  top: 0;
  right: 7vw;
  width: 1px;
  height: 100%;
  background: var(--accent);
  box-shadow: 8px 0 0 rgb(213 169 0 / 25%);
  content: "";
}
.hero::after {
  position: absolute;
  right: 9vw;
  bottom: -45px;
  color: rgb(255 255 255 / 3%);
  content: "00";
  font: 900 220px/1 Arial, sans-serif;
  letter-spacing: -.12em;
}
.hero h1 {
  position: relative;
  z-index: 1;
  margin: 10px 0 14px;
  color: var(--bright);
  font-family: Impact, "Arial Black", sans-serif;
  font-size: clamp(52px, 9vw, 110px);
  font-weight: 900;
  line-height: .92;
  letter-spacing: -.025em;
  text-transform: uppercase;
}
.lead { position: relative; z-index: 1; max-width: 680px; color: #aeb4b3; font-size: 15px; }
.nav { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 0; margin-top: 28px; }
.nav a {
  min-width: 118px;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  background: #0f1112;
  color: #aeb3b3;
  font-family: Consolas, "Courier New", monospace;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.nav a + a { border-left: 0; }
.nav a:hover { background: var(--bright); color: #090b0c; }

.layout { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 32px; align-items: start; }
.main-content { min-width: 0; }
.home-page .hero .wrap { width: 100%; padding-inline: 32px; }
.section { padding: 48px 0; }
.section + .section { border-top: 1px solid var(--line); }
.head { display: flex; justify-content: space-between; gap: 20px; align-items: end; margin-bottom: 18px; }
.head h2 {
  position: relative;
  margin: 0;
  padding-left: 17px;
  color: var(--bright);
  font-family: "Arial Black", "Noto Sans JP", sans-serif;
  font-size: 25px;
  line-height: 1.25;
  letter-spacing: -.02em;
  text-transform: uppercase;
}
.head h2::before { position: absolute; top: 3px; bottom: 3px; left: 0; width: 5px; background: var(--accent); content: ""; }
.head p { margin: 0; color: var(--sub); font: 11px/1.5 Consolas, monospace; }
.grid { display: grid; gap: 14px; }
.primary, .secondary { grid-template-columns: 1fr; }
.card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}
.card::after { position: absolute; top: 0; right: 0; width: 18px; height: 18px; border-left: 1px solid var(--line-strong); content: ""; transform: rotate(-45deg); transform-origin: top left; }
.card:hover { border-color: var(--line-strong); background: #171b1d; }
.grid > .card { display: grid; grid-template-columns: minmax(220px, 42%) minmax(0, 1fr); }
.grid > .card > .thumb { width: 100%; height: 100%; min-height: 210px; aspect-ratio: auto; border-right: 1px solid var(--line); background: #202426; object-fit: contain; }
.grid > .card:hover > .thumb { filter: grayscale(35%) contrast(1.05) brightness(.82); }
.body { padding: 18px 20px 21px; }
.label { color: var(--accent); font: 10px/1.4 Consolas, monospace; letter-spacing: .15em; text-transform: uppercase; }
.card h3 { margin: 5px 0 7px; color: var(--bright); font-size: 22px; line-height: 1.4; }
.card p { margin: 0; color: #9ca2a2; font-size: 13px; }
.meta { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 15px; }
.meta span { padding: 2px 7px; border: 1px solid var(--line); color: var(--sub); font: 10px/1.5 Consolas, monospace; text-transform: uppercase; }

.system-divider {
  position: relative;
  display: grid;
  grid-template-columns: 95px 1fr auto;
  gap: 18px;
  align-items: center;
  min-height: 48px;
  padding-left: 52px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
  color: #6f7677;
  font: 9px/1.4 Consolas, monospace;
  letter-spacing: .12em;
}
.system-divider::before { position: absolute; left: 0; width: 34px; height: 4px; background: var(--accent); content: ""; }
.system-divider span { color: var(--sub); }
.system-divider p { margin: 0; }
.system-divider b { color: #8e9695; font-weight: 400; }

.drift-log { display: grid; grid-template-columns: 1fr minmax(210px, .55fr); border: 1px solid var(--line); background: #0e1112; }
.drift-log > div { display: grid; grid-template-columns: 80px 1fr; gap: 18px; padding: 22px; }
.drift-log-no { color: var(--accent); font: 9px Consolas, monospace; letter-spacing: .12em; }
.drift-log p { max-width: 560px; margin: 0; color: #777f7f; font-size: 11px; line-height: 1.9; }
.drift-log a { display: grid; align-content: center; gap: 3px; padding: 18px 22px; border-left: 1px solid var(--line); color: #aab0af; font: 11px Consolas, monospace; }
.drift-log a span { color: #62696a; font-size: 8px; letter-spacing: .12em; }
.drift-log a:hover { background: var(--bright); color: #111; }
.drift-log a:hover span { color: #555; }

.wide { display: grid; grid-template-columns: 1.1fr .9fr; gap: 14px; align-items: stretch; }
.panel {
  position: relative;
  padding: 27px;
  border: 1px solid var(--line-strong);
  background: #d8dcda;
  color: #111415;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.panel .tag { color: #5c4a00; }
.panel h2 { margin: 7px 0; font-size: 25px; }
.panel p { margin-bottom: 0; color: #353a3b; font-size: 13px; }
.links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
.linkbox { padding: 14px; border: 1px solid var(--line); background: var(--surface); }
.linkbox:hover { border-color: var(--accent); background: var(--surface-2); }
.linkbox b, .linkbox small { display: block; }
.linkbox b { color: var(--bright); font: 700 12px/1.5 Consolas, monospace; text-transform: uppercase; }
.linkbox small { color: var(--sub); font-size: 11px; }

.old { margin-bottom: 48px; padding: 25px 27px; border: 1px solid var(--line); background: #101314; }
.old ul { columns: 2; padding-left: 18px; }
.old li::marker { color: var(--accent); }
.old a { color: #aab0af; text-decoration: underline; text-decoration-color: #555c5e; text-underline-offset: 4px; }
.note { color: var(--sub); font-size: 12px; }

.sidebar { position: sticky; top: 18px; display: grid; gap: 10px; padding: 48px 0; }
.side-panel {
  position: relative;
  padding: 19px;
  border: 1px solid var(--line);
  background: var(--surface);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}
.side-panel::before { position: absolute; top: 0; left: 0; width: 38px; height: 3px; background: var(--accent); content: ""; }
.side-panel h2 { margin: 5px 0 12px; color: var(--bright); font-size: 17px; line-height: 1.4; }
.side-panel p { margin: 0; color: var(--sub); font-size: 12px; }
.side-profile { border-color: #596165; background: #d5d8d5; color: #111415; }
.side-profile::before { background: var(--danger); }
.side-profile .tag { color: #6d211b; }
.side-profile h2 { color: #111415; }
.side-profile p { color: #454b4b; }
.side-nav, .side-links { display: grid; }
.side-nav a, .side-links a { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); color: #a9afae; font: 11px/1.5 Consolas, monospace; }
.side-nav a:last-child, .side-links a:last-child { border-bottom: 0; }
.side-nav a:hover, .side-links a:hover { color: var(--bright); }
.side-nav span { color: var(--accent); font-size: 10px; }
.side-nav .is-current { margin-inline: -19px; padding-inline: 19px; background: var(--bright); color: #111; }
.side-nav .is-current span { color: #6d5700; }
.side-links .is-current { color: var(--accent); }
.side-details { margin-top: 12px; border-top: 1px solid var(--line); }
.side-details summary { padding: 11px 0 4px; color: var(--sub); cursor: pointer; font: 10px/1.5 Consolas, monospace; letter-spacing: .06em; text-transform: uppercase; }
.side-mini-nav { display: grid; margin-top: 5px; border-left: 1px solid var(--line); }
.side-mini-nav a { padding: 6px 0 6px 11px; color: #919898; font-size: 11px; line-height: 1.4; }
.side-mini-nav a:hover { border-left: 2px solid var(--accent); color: var(--bright); }
.side-transmission { position: relative; padding: 10px 13px 10px 25px; border-left: 1px solid var(--line-strong); color: #666d6e; }
.side-transmission::before { position: absolute; top: 15px; left: -3px; width: 5px; height: 5px; background: var(--accent); content: ""; }
.side-transmission span { font: 8px Consolas, monospace; letter-spacing: .16em; }
.side-transmission p { margin: 3px 0 0; font-size: 9px; line-height: 1.6; }

.foot { padding: 26px 0; border-top: 1px solid var(--line-strong); background: #070809; color: #697071; font: 10px/1.5 Consolas, monospace; letter-spacing: .1em; text-transform: uppercase; }
.foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 18px; }
.foot-bizapla { display: grid; padding-left: 14px; border-left: 2px solid var(--accent); text-transform: none; }
.foot-bizapla b { color: #aeb4b3; font-size: 11px; }
.foot-bizapla small { color: #697071; font-size: 9px; }
.foot-bizapla:hover b { color: var(--bright); }
.subpage-header { border-bottom: 1px solid var(--line-strong); background: #090b0c; }
.subpage-header .wrap { display: flex; justify-content: space-between; align-items: center; min-height: 74px; }
.subpage-header strong { color: var(--bright); font: 900 22px/1 "Arial Black", sans-serif; text-transform: uppercase; }
.subpage-header a { color: var(--sub); font: 10px Consolas, monospace; text-transform: uppercase; }
.page-intro { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 40px; padding-bottom: 27px; border-bottom: 1px solid var(--line-strong); }
.page-intro h1 { margin: 7px 0 0; color: var(--bright); font: 900 clamp(54px, 8vw, 96px)/.84 Impact, "Arial Black", sans-serif; letter-spacing: 0; text-transform: uppercase; }
.page-intro > p { max-width: 520px; margin: 0 0 5px; color: #959c9c; font-size: 13px; }
.simple-page { min-width: 0; padding: 48px 0 70px; }
.simple-page > .page-intro { margin-bottom: 25px; }
.simple-page h1 { margin: 5px 0; color: var(--bright); font: 900 clamp(38px, 6vw, 64px)/1 "Arial Black", sans-serif; text-transform: uppercase; }
.simple-page .page-intro h1 { margin: 7px 0 0; font: 900 clamp(54px, 8vw, 96px)/.84 Impact, "Arial Black", sans-serif; }
.simple-page h2 { margin: 30px 0 8px; color: var(--bright); font-size: 19px; }
.simple-page p, .simple-page li { color: #aab0af; font-size: 13px; }
.simple-form { display: grid; gap: 15px; max-width: 720px; padding: 24px; border: 1px solid var(--line); background: var(--surface); }
.simple-form label { display: grid; gap: 6px; color: var(--sub); font: 11px Consolas, monospace; }
.simple-form input, .simple-form textarea { width: 100%; padding: 11px 12px; border: 1px solid var(--line-strong); border-radius: 0; outline: 0; background: #090b0c; color: var(--ink); font: inherit; }
.simple-form textarea { min-height: 180px; resize: vertical; }
.simple-form input:focus, .simple-form textarea:focus { border-color: var(--accent); }
.simple-form button { width: fit-content; padding: 10px 18px; border: 1px solid var(--accent); background: var(--accent); color: #111; cursor: pointer; font: 700 11px Consolas, monospace; text-transform: uppercase; }
.form-trap { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.form-message { max-width: 720px; padding: 12px 14px; border: 1px solid var(--line-strong); background: var(--surface-2); color: var(--ink) !important; }
.form-message.is-error { border-color: #9f3c34; }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; gap: 0; }
  .sidebar { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 0 0 48px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

@media (max-width: 760px) {
  .site-header .wrap { display: block; width: 100%; }
  .site-brand { min-height: 68px; padding-inline: 4vw; }
  .site-brand > img { width: 42px; height: 42px; }
  .site-nav { overflow-x: auto; border-top: 1px solid var(--line); }
  .site-nav a { flex: 1 0 auto; min-height: 42px; padding: 0 13px; }
  .site-network { flex: 0 0 auto; margin-left: 0; }
  .site-network a, .site-network > span { min-height: 42px; padding: 0 12px; }
  .hero { padding: 54px 0 34px; }
  .home-page .hero .wrap { padding-inline: 4vw; }
  .hero h1 { font-size: 55px; }
  .nav a { flex: 1 1 50%; min-width: 0; }
  .nav a + a { border-left: 1px solid var(--line-strong); }
  .primary, .secondary, .wide, .links, .sidebar { grid-template-columns: 1fr; }
  .grid > .card { grid-template-columns: 1fr; }
  .grid > .card > .thumb { height: 190px; min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .system-divider { grid-template-columns: 80px 1fr; gap: 10px; padding-left: 28px; }
  .system-divider::before { width: 18px; }
  .system-divider b { display: none; }
  .drift-log { grid-template-columns: 1fr; }
  .drift-log > div { grid-template-columns: 1fr; gap: 8px; }
  .drift-log a { border-top: 1px solid var(--line); border-left: 0; }
  .page-intro { grid-template-columns: 1fr; gap: 20px; }
  .head { display: block; }
  .head p { margin: 8px 0 0 17px; }
  .old { padding: 21px; }
  .old ul { columns: 1; }
}