:root {
  --bg: #050806;
  --bg-soft: #08100b;
  --panel: #0a140e;
  --ink: #b6d8bf;
  --ink-2: #7f9f88;
  --head: #dcefe1;
  --line: rgba(60,207,106,.22);
  --line-soft: rgba(60,207,106,.10);
  --accent: #3ccf6a;
  --accent-dim: #2a9c50;
  --accent-ink: #04140a;
  --glow: 0 0 8px rgba(60,207,106,.12);
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, "Courier New", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "PingFang SC", "Noto Sans CJK SC", "Noto Sans JP", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; color-scheme: dark; scroll-padding-top: 64px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.75 var(--sans); overflow-x: hidden; }
img, svg { max-width: 100%; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
::selection { background: var(--accent); color: #000; }
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding-left: 16px; padding-right: 16px; position: relative; }
.narrow { max-width: 720px; }

/* header: terminal title bar */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(5,8,6,.95); border-bottom: 1px solid var(--line); }
.hdr { display: flex; align-items: center; gap: 12px; height: 52px; }
.tb { display: inline-flex; align-items: center; gap: 7px; text-decoration: none; color: var(--ink-2); font: 13px var(--mono); white-space: nowrap; min-width: 0; }
.tb .tbt { margin-left: 4px; overflow: hidden; text-overflow: ellipsis; }
.tb:hover { color: var(--accent); }
.hdr-spacer { flex: 1; }
.nav { display: none; gap: 20px; }
.nav a { color: var(--ink-2); text-decoration: none; font: 13px var(--mono); }
.nav a:hover { color: var(--accent); }
.menu-btn { font: 20px/1 var(--mono); border: 1px solid var(--line); background: transparent; border-radius: 4px; padding: 0 12px; min-height: 36px; cursor: pointer; color: var(--accent); }
.mobile-nav { display: none; border-top: 1px solid var(--line-soft); padding: 6px 0 16px; }
.mobile-nav.open { display: block; }
.mobile-nav a { display: block; padding: 11px 0; color: var(--ink); text-decoration: none; border-bottom: 1px dashed var(--line-soft); font-family: var(--mono); font-size: 14px; }
.mobile-nav a::before { content: "$ "; color: var(--accent-dim); }
.mobile-nav .btn { margin-top: 14px; width: 100%; border-bottom: 1px solid var(--accent); }
.mobile-nav .btn::before { content: none; }
.btn.hdr-cta { display: none; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 3px; font: 700 14px var(--mono); text-decoration: none; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); cursor: pointer; }
.btn:hover { background: #55dc83; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.ghost:hover { background: rgba(60,207,106,.10); }
.btn.sm { min-height: 34px; padding: 0 14px; font-size: 13px; }
.btn.sm.ghost, .hdr-cta { background: transparent; color: var(--accent); }
.btn[disabled] { opacity: .6; cursor: default; }
.textlink { font: 14px var(--mono); color: var(--accent); text-decoration: none; border-bottom: 1px dashed var(--accent-dim); padding: 8px 0; }
.textlink:hover { border-bottom-style: solid; }

/* sections */
section { padding: 36px 0 44px; }
.sep { border-top: 1px dashed var(--line); text-align: right; font: 12px/1 var(--mono); color: var(--ink-2); padding-top: 8px; }
.cmd { margin: 0 0 8px; font: 13px var(--mono); color: var(--ink-2); }
h1, h2, h3 { line-height: 1.3; margin: 0; color: var(--head); }
h1, h2 { font-family: "DotGothic16", var(--mono); letter-spacing: -.01em; }
h1 { font-size: 28px; }
h2 { font-size: 24px; margin-bottom: 10px; color: var(--accent); }
h3 { font-size: 17px; margin-bottom: 6px; font-family: var(--mono); }
.lead { color: var(--ink-2); margin: 0 0 24px; max-width: 720px; }

/* hero */
.hero { padding: 28px 0 44px; position: relative; overflow: hidden; }
#rain { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .2; pointer-events: none; z-index: 0; }
.hero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 45%, rgba(5,8,6,.85) 0%, rgba(5,8,6,.4) 75%); pointer-events: none; z-index: 0; }
.hero-grid { display: grid; gap: 30px; position: relative; z-index: 1; }
.hero-cmd { color: var(--accent-dim); margin-bottom: 14px; }
.hero h1 { font-size: 30px; margin-bottom: 18px; color: var(--head); line-height: 1.35; }
.hero h1 .ch { opacity: 0; }
.hero h1 .ch.on { opacity: 1; }
.hero p.sub { font-size: 17px; color: var(--ink); margin: 0 0 24px; max-width: 560px; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-bottom: 16px; }
.note { font-size: 13px; color: var(--ink-2); margin: 0; font-family: var(--mono); }
.oreface { display: inline-flex; flex: none; line-height: 0; }
.oreface svg { display: block; }
.hero-face { margin: 0 0 20px; }
.hero-face .oreface svg { width: 160px; height: auto; filter: drop-shadow(0 0 10px rgba(60,207,106,.25)); }
.wm { font-family: "DotGothic16", var(--mono); font-size: 22px; line-height: 1; color: var(--accent); margin-left: 10px; letter-spacing: .02em; }
.site-footer .logo { align-items: center; text-decoration: none; margin-bottom: 8px; }
.langsw { display: inline-flex; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; flex: none; }
.langsw button { background: transparent; border: 0; color: var(--ink-2); font: 12px var(--mono); padding: 5px 8px; cursor: pointer; }
.langsw button + button { border-left: 1px solid var(--line); }
.langsw button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
.langsw button:hover { color: var(--accent); }
.langsw button[aria-pressed="true"]:hover { color: var(--accent-ink); }
html[lang="ja"] table.tk .zh, html[lang="ja"] table.tk th small, html[lang="ja"] .zh-sub { display: none; }
.nf { display: grid; grid-template-columns: auto 1fr; gap: 2px 18px; margin: 0; font: 13px/1.7 var(--mono); }
.nf dt { color: var(--accent); }
.nf dd { margin: 0; color: var(--ink); }
.cursor { display: inline-block; width: 8px; height: 1.1em; background: var(--accent); vertical-align: text-bottom; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .cursor { animation: none; } }

/* compare */
.cmp { border-top: 1px solid var(--line-soft); }
.cmp-row { display: grid; grid-template-columns: 1fr; gap: 2px; padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
.cmp-head { display: none; font: 12px var(--mono); color: var(--ink-2); padding: 8px 0; }
.cmp-head span:last-child { color: var(--accent-dim); }
.cmp .old { color: var(--ink-2); text-decoration: line-through; text-decoration-color: rgba(127,159,136,.5); font-size: 15px; }
.cmp .old::before { content: "- "; text-decoration: none; display: inline-block; }
.cmp .new { color: var(--accent); font-weight: 600; }
.cmp .new::before { content: "+ "; color: var(--accent-dim); font-family: var(--mono); }

/* args */
.args { display: grid; grid-template-columns: 1fr; margin: 0; border-top: 1px solid var(--line-soft); }
.args dt { font: 600 15px var(--mono); color: var(--accent); padding-top: 12px; }
.args dd { margin: 0; padding: 2px 0 12px; border-bottom: 1px solid var(--line-soft); color: var(--ink); }

/* plans: ls -l */
.ls-head { display: none; }
.ls-row { display: grid; grid-template-columns: 1fr auto; grid-template-areas: "name price" "spec spec" "tax btn"; gap: 6px 12px; align-items: center; padding: 16px 12px; border-bottom: 1px solid var(--line-soft); position: relative; }
.ls { border-top: 1px solid var(--line-soft); }
.c-name { grid-area: name; font: 15px var(--mono); color: var(--head); }
.c-name b { font-weight: 700; }
.c-name em { font: 700 11px var(--mono); font-style: normal; color: var(--accent-ink); background: var(--accent); padding: 1px 7px; border-radius: 2px; margin-left: 8px; }
.mk { font-style: normal; color: var(--accent); font-size: 12px; margin-right: 8px; }
.c-spec { grid-area: spec; display: flex; flex-wrap: wrap; gap: 0 14px; color: var(--ink-2); font: 13px var(--mono); }
.c-price { grid-area: price; text-align: right; font-family: var(--mono); color: var(--accent); white-space: nowrap; }
.c-price .big { font-size: 24px; font-weight: 700; }
.c-price small, .c-tax small { font-size: 12px; color: var(--ink-2); }
.c-tax { grid-area: tax; font: 13px var(--mono); color: var(--ink-2); }
.c-btn { grid-area: btn; justify-self: end; }
.ls-row.rec { background: rgba(60,207,106,.07); border-left: 2px solid var(--accent); }

/* boot log */
.log { font: 14px/1.7 var(--mono); border-left: 1px solid var(--line); padding-left: 14px; max-width: 820px; }
.ll { display: grid; grid-template-columns: 56px 1fr; gap: 10px; padding: 8px 0; }
.ll .ts { color: var(--accent-dim); }
.ll b { color: var(--head); display: block; }
.ll span:not(.ts):not(.cursor) { color: var(--ink-2); font-family: var(--sans); font-size: 15px; }
.js .ll { opacity: 0; transform: translateY(4px); transition: opacity .35s, transform .35s; }
.js .ll.on { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .ll { opacity: 1; transform: none; transition: none; } }

/* faq: man style */
.faq details { border-bottom: 1px dashed var(--line-soft); padding: 12px 0; }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; color: var(--head); display: flex; gap: 10px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .q { font: 700 14px/1.75 var(--mono); color: var(--accent); flex: none; }
.faq details[open] summary { color: var(--accent); }
.faq .ans { color: var(--ink-2); font-size: 15px; margin: 10px 0 4px 8px; padding-left: 20px; border-left: 1px solid var(--line); }
.faq .ans ul { margin: 8px 0 0; padding-left: 20px; }

/* form: terminal prompts */
form.res { display: grid; gap: 14px; max-width: 680px; }
.pr { display: grid; grid-template-columns: 1fr; gap: 0; }
label { display: block; font: 600 13px var(--mono); color: var(--accent); white-space: nowrap; }
label::after { content: " >"; color: var(--accent-dim); }
.hp label::after { content: none; }
input, select, textarea { width: 100%; font: 16px var(--mono); padding: 8px 2px; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; color: var(--head); caret-color: var(--accent); }
select { appearance: none; -webkit-appearance: none; cursor: pointer; background-image: linear-gradient(45deg, transparent 50%, var(--accent-dim) 50%), linear-gradient(135deg, var(--accent-dim) 50%, transparent 50%); background-position: calc(100% - 12px) 55%, calc(100% - 7px) 55%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 26px; }
select option { background: #0a140e; color: var(--head); }
input::placeholder, textarea::placeholder { color: #4d6a56; }
textarea { min-height: 60px; resize: vertical; line-height: 1.5; }
input:focus, select:focus, textarea:focus { outline: none; border-bottom-color: var(--accent); }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.enter { font: 700 14px var(--mono); background: transparent; border: 1px solid var(--accent); color: var(--accent); padding: 12px 18px; min-height: 48px; border-radius: 3px; cursor: pointer; text-align: left; margin-top: 6px; }
.enter:hover { background: rgba(60,207,106,.10); }
.enter[disabled] { opacity: .6; cursor: default; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.msg { font: 14px var(--mono); display: none; }
.msg.show { display: block; }
.msg.ok { color: var(--accent); }
.msg.err { color: #e5897a; }
.fine { font-size: 13px; color: var(--ink-2); margin: 0; }

/* prose pages */
.page { padding: 32px 0 64px; }
.page h1 { margin-bottom: 12px; color: var(--accent); }
.prose h2 { font-size: 18px; margin: 32px 0 8px; color: var(--head); }
.prose p, .prose li { color: var(--ink); }
.prose ul { padding-left: 22px; }
table.tk { width: 100%; border-collapse: collapse; margin-top: 20px; }
table.tk th, table.tk td { text-align: left; vertical-align: top; padding: 14px 0; border-bottom: 1px solid var(--line-soft); font-size: 15px; }
table.tk th { width: 34%; padding-right: 12px; font-weight: 600; color: var(--accent); font-family: var(--mono); font-size: 13px; }
table.tk td { color: var(--ink); }
.soon { border: 1px dashed var(--accent-dim); border-radius: 3px; padding: 32px 20px; margin: 24px 0; }
.soon strong { display: block; font: 600 20px var(--mono); margin-bottom: 8px; color: var(--accent); }
.soon p { margin: 0; color: var(--ink-2); }
table.tk th small { display: block; font: 400 12px var(--sans); color: var(--ink-2); margin-top: 2px; }
table.tk td .zh { color: var(--ink-2); font-size: 14px; margin-top: 6px; }
.zh-sub { color: var(--ink-2); margin: 0 0 12px; }

/* footer */
.site-footer { border-top: 1px dashed var(--line); margin-top: 24px; padding: 28px 0 24px; font-size: 14px; color: var(--ink-2); }
.ft-grid { display: grid; gap: 22px; }
.site-footer .links { display: flex; flex-direction: column; gap: 6px; font-family: var(--mono); font-size: 13px; }
.site-footer a { color: var(--ink); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }
.site-footer .logo { display: inline-flex; color: var(--accent); }

.site-footer p { margin: 6px 0; }
.ft-exit { margin: 22px 0 0; font: 12px var(--mono); color: var(--ink-2); border-top: 1px dashed var(--line-soft); padding-top: 12px; }

@media (min-width: 720px) {
  h1 { font-size: 34px; }
  h2 { font-size: 28px; }
  section { padding: 44px 0 56px; }
  .hero { padding: 48px 0 60px; }
  .hero h1 { font-size: 40px; }
  .hero-grid { grid-template-columns: 6fr 4fr; align-items: center; gap: 56px; }
  .hero-face .oreface svg { width: 220px; }
  .nav { display: flex; }
  .menu-btn, .mobile-nav, .mobile-nav.open { display: none; }
  .btn.hdr-cta { display: inline-flex; }
  .cmp-head { display: grid; }
  .cmp-row { grid-template-columns: 1fr 1fr; gap: 24px; align-items: baseline; }
  .args { grid-template-columns: 200px 1fr; }
  .args dt { padding: 12px 0; border-bottom: 1px solid var(--line-soft); }
  .args dd { padding: 12px 0; }
  .ls-head { display: grid; font: 12px var(--mono); color: var(--ink-2); padding-top: 8px; padding-bottom: 8px; }
  .ls-row { grid-template-columns: 170px 1.5fr 80px 100px 170px 100px 90px; grid-template-areas: none; gap: 12px; }
  .ls-head .r { text-align: right; }
  .c-name, .c-spec, .c-price, .c-tax, .c-btn { grid-area: auto; }
  .c-spec { display: contents; }
  .c-spec span { font: 13px var(--mono); color: var(--ink-2); }
  .c-spec span:first-child { color: var(--ink); }
  .c-tax .lbl { display: none; }
  .c-tax { text-align: right; }
  .c-price .big { font-size: 26px; }
  .ft-grid { grid-template-columns: 1fr auto; gap: 60px; }
  .ft-grid .links { min-width: 160px; }
}
@media (max-width: 719px) { .ls-head { display: none; } }
@media (max-width: 520px) { .tb .tbt { display: none; } .hdr { gap: 8px; } }