/* Public site: Sakura palette, compact typography, native interactions. */
:root {
  --bg: #000000;
  --panel: #0e0e0e;
  --element: #181818;
  --inner: #0a0a0a;
  --text: #dedede;
  --muted: #a1a1a5;
  --accent: #fed4ff;
  --accent-2: #c8aac8;
  --stroke: #faf0fa;
  --warn: #ffc850;
  --danger: #ff5a5a;
  --accent-ink: #1a0a18;
  --line: #303033;
  --control-border: #77747a;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --section-space: 64px;
  --control-height: 44px;
  --control-height-small: 40px;
  --focus-width: 2px;
  --focus-offset: 4px;
  --duration-fast: 150ms;
  --radius: 8px;
  --radius-sm: 4px;
  --maxw: 1280px;
  --font: 'Montserrat', system-ui, sans-serif;
  --body: 'Helvetica Neue', Arial, sans-serif;
  --mono: 'Roboto Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 100px; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--body); font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
button, a { -webkit-tap-highlight-color: transparent; }
button:disabled { cursor: default; }
[hidden] { display: none !important; }
:where(a, button, input, summary, [tabindex]):focus-visible { outline: var(--focus-width) solid var(--accent); outline-offset: var(--focus-offset); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip { position: absolute; left: -9999px; top: 0; z-index: 100; background: var(--accent); color: var(--accent-ink); padding: 12px 20px; }
.skip:focus { left: 12px; top: 12px; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 40px; }
h1, h2, h3 { font-family: var(--font); }
h2 { font-size: 26px; line-height: 1.25; font-weight: 600; letter-spacing: -.035em; margin: 0; }
p { margin-top: 0; }
.nav { position: sticky; top: 0; z-index: 50; background: var(--bg); border-bottom: 1px solid var(--line); }
.nav__in { display: flex; align-items: center; gap: var(--space-6); height: 88px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font); font-size: 18px; font-weight: 700; }
.brand__logo { display: block; width: 46px; height: 46px; }
.nav__links { display: flex; gap: var(--space-6); margin-left: auto; font-size: 14px; color: var(--muted); }
.nav__links a { padding: 12px 0; }
.nav__links a:hover, .nav__links a.on { color: var(--accent); }
.nav__links a.on { text-decoration: underline; text-underline-offset: 8px; text-decoration-thickness: 2px; }
.nav__toggle { display: none; }
.btn { min-height: var(--control-height); display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 10px 18px; border: 1px solid var(--control-border); border-radius: var(--radius-sm); background: transparent; font-size: 14px; line-height: 1.2; font-weight: 600; white-space: nowrap; transition: background var(--duration-fast), border-color var(--duration-fast); }
.btn:hover { background: var(--element); border-color: var(--text); }
.btn--primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn--primary:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn--small { min-height: var(--control-height-small); padding: 8px 16px; }
.hero { padding-bottom: 40px; }
.hero__in { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: var(--section-space); padding-top: 52px; padding-bottom: 40px; align-items: end; }
.hero h1 { margin: 0; font-weight: 600; letter-spacing: -.04em; }
.hero__name { display: block; font-size: clamp(72px, 8vw, 112px); line-height: .95; letter-spacing: -.065em; }
.hero__game { display: block; font-size: clamp(17px, 1.7vw, 22px); line-height: 1.4; letter-spacing: -.025em; margin-top: 20px; font-weight: 500; }
.hero__copy { padding-bottom: 2px; }
.hero__sub { color: var(--text); font-size: 18px; line-height: 1.6; margin-bottom: 20px; }
.text-link { color: var(--accent-2); font-size: 14px; }
.text-link span { margin-left: 5px; }
.text-link:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 5px; }
.loadbox { min-width: 0; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.loadbox__line { display: grid; grid-template-columns: 120px minmax(0, 1fr) auto; gap: 24px; align-items: center; padding: 20px 24px; }
.loadbox__label { font-size: 14px; font-weight: 600; }
.copy-flash { font-weight: 400; color: var(--accent); font-size: 12px; margin-left: auto; min-height: 1.55em; }
.loadbox__code { width: 100%; min-width: 0; border: 0; border-left: 1px solid var(--line); padding: 8px 24px; text-align: left; background: transparent; font-family: var(--mono); font-size: 13px; line-height: 1.7; overflow-wrap: anywhere; color: var(--text); }
.loadbox__code:hover { background: var(--element); }
.loadbox__bottom { display: flex; align-items: center; gap: 24px; border-top: 1px solid var(--line); padding: 12px 24px; }
.loadbox__key { color: var(--muted); font-size: 12px; white-space: nowrap; }
.loadbox__key kbd { margin-left: 8px; }
.loadbox__hint { font-size: 12px; color: var(--muted); margin: 0; line-height: 1.5; }
.loadbox__hint a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 3px; }
.loadbox__hint a:hover { color: var(--accent); }
kbd { font-family: var(--mono); font-size: 12px; background: var(--element); border: 1px solid var(--control-border); border-radius: 3px; padding: 2px 5px; color: var(--text); white-space: nowrap; }
.section { padding: var(--section-space) 0; border-top: 1px solid var(--line); }
.section--preview { padding-top: 36px; padding-bottom: 40px; }
.preview-header { display: flex; justify-content: space-between; align-items: center; gap: var(--space-6); }
.preview-header h2 { font-size: 30px; letter-spacing: -.035em; }
.stats { display: flex; align-items: center; gap: var(--space-6); }
.stat { display: grid; gap: 2px; padding-left: 24px; border-left: 1px solid var(--line); }
.stat__n { font-family: var(--mono); font-size: 18px; color: var(--text); }
.stat__l { font-size: 12px; color: var(--muted); }
.preview-help { font-size: 13px; color: var(--muted); margin: 10px 0 22px; }
.preview-toolbar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); margin: 12px 0 24px; }
.preview-toolbar .preview-help { margin: 0; }
.preview-actions { display: flex; gap: var(--space-2); flex: none; }
.preview-action { min-height: var(--control-height-small); padding: 7px 11px; background: var(--panel); border: 1px solid var(--control-border); border-radius: var(--radius-sm); font-size: 12px; }
.preview-action:hover:not(:disabled) { background: var(--element); border-color: var(--text); }
.preview-action:disabled { color: var(--muted); border-color: var(--line); background: transparent; }
.preview-layout { display: grid; grid-template-columns: minmax(180px, 1fr) minmax(0, 880px); gap: 32px; }
.mdemo { display: block; min-width: 0; }
.mdemo__win { width: 100%; position: relative; }
.mdemo .win { box-shadow: none; }
.preview-aside { display: flex; flex-direction: column; align-self: stretch; border-right: 1px solid var(--line); padding-right: 28px; }
.preview-aside__body { padding: 8px 0 0; }
.preview-aside h3 { font-family: var(--body); font-size: 12px; font-weight: 600; margin: 0 0 16px; line-height: 1.3; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.preview-aside p { font-size: 13px; line-height: 1.65; color: var(--muted); }
.preview-jumps { display: grid; margin-top: 0; counter-reset: menu-category; }
.preview-jumps button::before { counter-increment: menu-category; content: counter(menu-category, decimal-leading-zero); color: var(--muted); font-family: var(--mono); font-size: 10px; width: 20px; flex: none; }
.preview-jumps button > span:first-child { margin-right: auto; }
.preview-jumps button { display: flex; justify-content: space-between; background: transparent; font-size: 13px; text-align: left; }
.preview-jumps button:hover { color: var(--accent); }
.preview-jumps span { color: var(--accent-2); }
.preview-jumps button { gap: 10px; min-height: 42px; padding: 8px; border: 0; border-radius: var(--radius-sm); }
.preview-jumps button[aria-pressed=true] { color: var(--accent); background: var(--element); }
.preview-jumps button:hover { background: var(--element); }
.preview-jumps button[aria-pressed=true] > span:first-child { text-decoration: underline; text-underline-offset: 4px; }
.preview-jumps button > span:last-child { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.preview-change-status { padding-top: 16px; border-top: 1px solid var(--line); margin: 16px 0 0; }
.preview-dialog { width: min(960px, calc(100% - 40px)); max-height: calc(100dvh - 32px); padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); color: var(--text); overflow-y: auto; }
.preview-dialog::backdrop { background: rgb(0 0 0 / .85); }
.preview-dialog__header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); margin-bottom: 20px; }
.preview-dialog__header h2 { font-size: 20px; }
.preview-dialog .mdemo { max-width: 880px; margin: 0 auto; }
.preview-dialog__note { font-size: 12px; color: var(--muted); margin: 18px 0 0; }
body:has(.preview-dialog[open]) { overflow: hidden; }
.preview-aside__hint { margin: 22px 0 0; }
.more { padding-top: 16px; }
.more > summary { font-size: 13px; color: var(--muted); padding: 8px 0; }
.more__in { display: flex; gap: 5px; flex-wrap: wrap; padding-top: 12px; }
.pill { display: inline-block; background: var(--element); font-size: 12px; color: var(--text); padding: 5px 9px; border-radius: var(--radius-sm); }
.section__head { margin-bottom: 32px; }
.section__head h2, .split h2 { font-size: 32px; }
.section__head p { max-width: 65ch; color: var(--muted); font-size: 14px; margin: 12px 0 0; }
.executor-filters { display: flex; align-items: center; gap: 4px; border-bottom: 1px solid var(--line); padding-bottom: 12px; }
.executor-filters button { background: transparent; border: 0; color: var(--muted); padding: 10px 14px; min-height: var(--control-height); border-radius: var(--radius-sm); font-size: 13px; }
.executor-filters button[aria-pressed=true] { color: var(--accent); background: var(--element); }
.executor-filters button[aria-pressed=true] { text-decoration: underline; text-underline-offset: 4px; }
.executor-filters button:hover { background: var(--panel); color: var(--text); }
#executor-count { font-size: 12px; color: var(--muted); margin-left: auto; }
.execgrid { display: block; }
.xcard { display: grid; grid-template-columns: minmax(220px, .95fr) minmax(300px, 1.3fr) minmax(200px, .85fr); align-items: center; gap: var(--space-6); padding: 18px 0; border-bottom: 1px solid var(--line); }
.xcard:hover { background: var(--panel); }
.xcard__top { display: flex; align-items: center; gap: var(--space-3); }
.xcard__mark { width: 34px; height: 34px; display: grid; place-items: center; flex: none; overflow: hidden; color: var(--accent-2); font-weight: 600; border-radius: var(--radius-sm); }
.xcard__mark img { width: 100%; height: 100%; object-fit: contain; }
.xcard__ident { display: grid; gap: 3px; }
.xcard__name { font-size: 17px; font-weight: 600; }
.xcard__name:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.xcard__ver { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.xcard__tier { display: none; }
.xcard__meta { display: grid; grid-template-columns: .8fr 1.3fr .8fr; gap: var(--space-4); }
.xcard__m { display: grid; gap: 3px; font-size: 13px; }
.xcard__label { color: var(--muted); font-size: 12px; }
.xcard__foot { display: grid; gap: 3px; font-size: 12px; text-align: right; }
.xcard__foot span + span { color: var(--muted); font-size: 12px; }
.xcard--primary .xcard__foot > span:first-child { color: var(--accent-2); }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--section-space); }
.split > #faq { border-left: 1px solid var(--line); padding-left: 40px; }
.term { background: transparent; }
.release { margin: 0; padding: 0 0 20px; }
.release__v { display: flex; align-items: center; gap: 14px; font-family: var(--mono); font-size: 19px; color: var(--text); margin-bottom: 18px; }
.release__tag { font-family: var(--body); font-size: 12px; color: var(--accent-2); }
.release ul { padding-left: 18px; margin: 0; }
.release li { color: var(--muted); padding: 3px 0; font-size: 14px; }
.release li::marker { color: var(--control-border); }
.older-releases { border-top: 1px solid var(--line); padding-top: 12px; }
.older-releases summary { cursor: pointer; color: var(--muted); font-size: 13px; padding: 8px 0; margin-bottom: 8px; }
.older-releases .release { padding-top: 16px; }
.faq { display: block; }
.qa { border-bottom: 1px solid var(--line); }
.qa__q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); text-align: left; padding: 18px 0; background: none; border: 0; font-size: 14px; }
.qa__q:hover { color: var(--accent); }
.qa__q::after { content: '+'; color: var(--muted); font-size: 20px; }
.qa.open .qa__q::after { content: '\2212'; color: var(--accent); }
.qa__a { display: none; font-size: 14px; color: var(--muted); padding: 0 28px 20px 0; }
.qa.open .qa__a { display: block; }
.support { padding: 40px 0; background: var(--panel); }
.support__in { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); }
.support h2 { font-size: 38px; }
.support p { margin: 8px 0 0; font-size: 14px; color: var(--muted); }
.footer { border-top: 1px solid var(--line); padding: 32px 0; }
.footer__in { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); color: var(--muted); font-size: 12px; }
.footer__brand { display: flex; gap: var(--space-2); align-items: center; font-weight: 600; color: var(--text); }
.footer__logo { height: 22px; width: auto; }
.footer__note { margin: 0; }
.footer__links { display: flex; gap: var(--space-5); }
.footer__links a:hover { color: var(--accent); }
:where(.btn, .preview-action, .executor-filters button, .preview-jumps button):active:not(:disabled) { background: var(--line); border-color: var(--text); }
.btn--primary:active { background: var(--accent-2); border-color: var(--accent-2); }
@media (max-width: 1100px) {
  .wrap { padding-left: 28px; padding-right: 28px; }
  .hero__in { gap: 32px; }
  .preview-layout { grid-template-columns: minmax(0, 1fr); }
  .preview-aside { display: none; }
  .mdemo__win { max-width: 880px; margin: 0 auto; }
  .xcard { grid-template-columns: minmax(180px, .8fr) minmax(240px, 1.2fr) minmax(140px, .65fr); gap: var(--space-4); }
  .split { gap: 40px; }
}
@media (max-width: 800px) {
  .nav__in { height: 64px; gap: 14px; }
  .nav__toggle { display: block; margin-left: auto; border: 0; background: none; min-height: var(--control-height); padding: 10px; font-size: 14px; }
  .nav__links { display: none; position: absolute; top: 63px; left: 0; right: 0; padding: 12px 28px 20px; background: var(--panel); border-bottom: 1px solid var(--line); margin: 0; }
  .nav__links.is-open { display: grid; gap: 0; }
  .nav__links a { min-height: var(--control-height); padding: 12px 0; }
  .hero__in { grid-template-columns: 1fr; gap: var(--space-6); padding-top: 36px; padding-bottom: 32px; }
  .hero__name { font-size: 88px; }
  .hero__sub { font-size: 16px; }
  .loadbox { max-width: none; }
  .loadbox__line { grid-template-columns: 100px minmax(0, 1fr) auto; gap: 12px; padding: 16px; }
  .loadbox__code { padding-left: 16px; padding-right: 0; font-size: 12px; }
  .stats { gap: 14px; }
  .stat__n { font-size: 16px; }
  .preview-header { gap: var(--space-3); }
  .preview-help { max-width: 54ch; }
  .section { padding-top: 40px; padding-bottom: 40px; }
  .xcard { grid-template-columns: 1fr 1.6fr; }
  .xcard__foot { grid-column: 2; text-align: left; display: flex; gap: var(--space-3); }
  .split { grid-template-columns: 1fr; gap: 44px; }
  .split > #faq { border-left: 0; padding-left: 0; padding-top: 32px; border-top: 1px solid var(--line); }
  .footer__in { flex-wrap: wrap; }
  .footer__note { order: 3; flex-basis: 100%; }
}
@media (max-width: 640px) {
  .brand__logo { width: 32px; height: 32px; }
  .preview-toolbar { align-items: flex-start; flex-direction: column; gap: var(--space-3); }
  .preview-dialog { width: calc(100% - 16px); padding: 12px; }
  .wrap { padding-left: 20px; padding-right: 20px; }
  .hero { padding-bottom: 24px; }
  .hero__in { padding-top: 32px; padding-bottom: 28px; }
  .hero__name { font-size: clamp(64px, 14vw, 88px); }
  .hero__game { font-size: 17px; margin-top: 16px; }
  .hero__sub br { display: none; }
  .preview-header { flex-wrap: wrap; }
  .stats { width: 100%; gap: 16px; }
  .stat { padding-left: 16px; }
  .stat:first-child { padding-left: 0; border-left: 0; }
  .stat__l { display: inline; font-size: 12px; }
  .preview-header h2 { font-size: 26px; }
  .section--preview { padding-top: 24px; }
  .loadbox__line { grid-template-columns: minmax(0, 1fr) auto; gap: 16px; }
  .loadbox__label { grid-row: 1; grid-column: 1; }
  .loadbox__line > .btn { grid-row: 1; grid-column: 2; padding: 10px 12px; font-size: 13px; }
  .loadbox__code { grid-column: 1 / -1; grid-row: 2; border-left: 0; border-top: 1px solid var(--line); padding: 12px 0 0; font-size: 12px; }
  .loadbox__bottom { flex-wrap: wrap; padding: 12px 16px; gap: 12px; }
  .loadbox__hint { flex-basis: 100%; }
  .copy-flash { margin-left: 0; }
  .copy-flash:empty { display: none; }
  .loadbox__key { margin-left: auto; }
  .xcard { grid-template-columns: 1fr; gap: 14px; padding: var(--space-5) 0; }
  .xcard__meta { grid-template-columns: .8fr 1.2fr .8fr; }
  .xcard__foot { grid-column: 1; }
  .executor-filters { flex-wrap: wrap; }
  .executor-filters button { padding: 10px 12px; }
  #executor-count { display: none; }
  .support__in { align-items: flex-start; flex-direction: column; }
  .support h2 { font-size: 32px; }
  .footer__links { margin-left: auto; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }