/* zenkaig.com - Zenkai Works Arcade look: night plate, lime tape, orange primary. */
@font-face { font-family: 'Saira'; src: url('saira-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Saira'; src: url('saira-900.woff2') format('woff2'); font-weight: 900; font-display: swap; }

:root {
  --ground: #07090d;
  --plate: #0b0e13;
  --plate-2: #121721;
  --line: #222a37;
  --text: #e9ecf1;
  --muted: #9aa4b2;
  --lime: #c8f03a;
  --orange: #ff7a1a;
  --orange-hi: #ffb23a;
  --head: 'Saira', 'Arial Narrow', Arial, sans-serif;
  --body: system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; background: var(--ground); }
body {
  margin: 0; background: var(--ground); color: var(--text);
  font: 16px/1.6 var(--body);
  background: var(--ground) linear-gradient(180deg, #0d1118 0, var(--ground) 420px) no-repeat;
}
a { color: var(--lime); text-underline-offset: 3px; }
a:hover { color: #e4ff8a; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; }

.wrap { max-width: 820px; margin: 0 auto; padding: 0 16px; }

/* Header */
.site-head { border-bottom: 2px solid var(--lime); background: rgba(7, 9, 13, .92); position: sticky; top: 0; z-index: 2; backdrop-filter: blur(6px); }
.site-head .wrap { display: flex; align-items: center; gap: 20px; min-height: 60px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; text-decoration: none; }
.brand img { display: block; height: 40px; width: auto; }
.brand .kanji { font: 900 15px/1 var(--head); color: var(--lime); letter-spacing: .08em; }
.brand .word { font: 900 italic 22px/1 var(--head); letter-spacing: .02em; }
.brand .word b { color: var(--orange); }
nav.site-nav { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-left: auto; }
nav.site-nav a { font: 700 13px/1 var(--head); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); text-decoration: none; padding: 8px 0; }
nav.site-nav a:hover, nav.site-nav a[aria-current="page"] { color: var(--text); box-shadow: inset 0 -2px 0 var(--lime); }

/* Page title band */
.title-band { padding-top: 44px; padding-bottom: 20px; }
.kana { font: 700 13px/1 var(--head); color: var(--lime); letter-spacing: .14em; margin: 0 0 10px; }
h1 { font: 900 italic clamp(34px, 7vw, 54px)/1.02 var(--head); margin: 0; letter-spacing: .01em; text-transform: uppercase; }
.updated { color: var(--muted); font-size: 14px; margin: 14px 0 0; }

/* Plate */
.plate { background: var(--plate); border-top: 2px solid var(--lime); box-shadow: 6px 6px 0 #000; padding: 8px 28px 28px; margin: 0 0 48px; }
@media (max-width: 560px) { .plate { padding: 4px 18px 22px; box-shadow: 4px 4px 0 #000; } }
.plate > p:first-child { margin-top: 22px; }
h2 { font: 900 italic 24px/1.15 var(--head); text-transform: uppercase; margin: 40px 0 12px; letter-spacing: .01em; }
h2::before { content: ''; display: inline-block; width: 12px; height: 12px; background: var(--lime); margin-right: 10px; transform: skewX(-14deg); vertical-align: 2px; }
h3 { font: 700 17px/1.3 var(--head); text-transform: uppercase; letter-spacing: .04em; margin: 26px 0 8px; color: var(--text); }
p, li { color: #d4d9e1; }
strong { color: var(--text); }
ul { padding-left: 22px; }
li { margin: 6px 0; }
.lead { font-size: 18px; color: var(--text); }
.note { border-left: 3px solid var(--orange); background: var(--plate-2); padding: 12px 16px; margin: 20px 0; }

/* Tables become cards on narrow screens */
.table-wrap { overflow-x: auto; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { font: 700 12px/1.2 var(--head); letter-spacing: .1em; text-transform: uppercase; color: var(--lime); background: var(--plate-2); }
td:first-child { font-weight: 600; color: var(--text); }
@media (max-width: 620px) {
  table, tbody, tr, td { display: block; width: 100%; }
  thead { display: none; }
  tr { border: 1px solid var(--line); margin: 0 0 12px; background: var(--plate-2); }
  td { border: 0; padding: 6px 12px; }
  td:first-child { padding-top: 10px; }
  td[data-label]::before { content: attr(data-label); display: block; font: 700 11px/1.4 var(--head); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
}

/* Steps and buttons */
ol.steps { counter-reset: s; list-style: none; padding: 0; }
ol.steps li { counter-increment: s; position: relative; padding: 10px 0 10px 48px; }
ol.steps li::before { content: counter(s); position: absolute; left: 0; top: 8px; width: 32px; height: 32px; display: grid; place-items: center; background: var(--lime); color: #0b0e13; font: 900 italic 17px/1 var(--head); transform: skewX(-10deg); }
.button { display: inline-block; font: 900 italic 18px/1 var(--head); text-transform: uppercase; letter-spacing: .03em; color: #140800; text-decoration: none; padding: 15px 26px; background: linear-gradient(180deg, var(--orange-hi), var(--orange) 55%, #f25f0c); box-shadow: 4px 4px 0 #000; }
.button:hover { color: #140800; filter: brightness(1.06); }
.mail { font: 700 20px/1.3 var(--head); letter-spacing: .02em; }

/* Home */
.hero { padding-top: 72px; padding-bottom: 40px; }
.hero h1 { font-size: clamp(46px, 11vw, 92px); }
.hero h1.logo { margin: 0 0 0 -2%; }
.hero h1.logo img { display: block; width: min(620px, 100%); height: auto; }
.hero .tag { font: 700 clamp(16px, 3vw, 20px)/1.4 var(--head); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 16px 0 28px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; margin: 0 0 56px; }
.tile { display: block; background: var(--plate); border-top: 2px solid var(--lime); box-shadow: 5px 5px 0 #000; padding: 18px 20px 20px; text-decoration: none; color: var(--text); }
.tile:hover { background: var(--plate-2); color: var(--text); }
.tile b { display: block; font: 900 italic 20px/1.1 var(--head); text-transform: uppercase; margin-bottom: 6px; }
.tile span { color: var(--muted); font-size: 15px; }

/* Footer */
.site-foot { border-top: 1px solid var(--line); padding: 24px 0 40px; color: var(--muted); font-size: 14px; }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.site-foot a { color: var(--muted); }