:root {
  --bg: #0a0a0b;
  --bg-2: #101013;
  --surface: #151519;
  --surface-2: #1c1c22;
  --line: #2a2a32;
  --text: #f4f4f5;
  --muted: #a1a1aa;
  --accent: #2ef325;
  --accent-dim: #22c41d;
  --accent-ink: #0a0a0b;
  --danger: #ff6b5e;
  --radius: 18px;
  --radius-sm: 10px;
  --maxw: 1120px;
  --font: "Noto Sans JP", "Hiragino Sans", "Yu Gothic UI", "Meiryo", system-ui, sans-serif;
  --display: "Barlow Condensed", "Oswald", "Noto Sans JP", system-ui, sans-serif;
  --heading: "Noto Sans JP", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 16px/1.85 var(--font); letter-spacing: .02em;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 14px; z-index: 100; border-radius: 8px; }
.skip:focus { left: 8px; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 780px; }
section { padding: 88px 0; }
@media (max-width: 720px) { section { padding: 60px 0; } }

h1, h2, h3 { line-height: 1.35; margin: 0; letter-spacing: .01em; }
h1 { font-size: clamp(2rem, 5.2vw, 3.4rem); font-weight: 900; }
h2 { font-size: clamp(1.4rem, 3.2vw, 2rem); font-weight: 800; margin-bottom: 18px; }
h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
p { margin: 0 0 1em; }
.lead { font-size: 1.1rem; color: #d4d4d8; }
.muted { color: var(--muted); }
.eyebrow { font: 700 .78rem/1 var(--display); letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; display: block; }
.answer { font-size: 1.05rem; color: #e4e4e7; margin-bottom: 1.4em; }

/* header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(10,10,11,.82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font: 900 1.25rem/1 var(--display); letter-spacing: .06em; }
.logo:hover { color: var(--text); }
.logo-mark { width: 30px; height: 30px; }
.nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav a { color: #d4d4d8; text-decoration: none; padding: 8px 12px; border-radius: 8px; font-size: .92rem; font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { color: #fff; background: var(--surface-2); }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); color: var(--text); width: 44px; height: 44px; border-radius: 10px; cursor: pointer; }
@media (max-width: 960px) {
  .nav-toggle { display: inline-grid; place-items: center; }
  .nav { position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--bg); border-bottom: 1px solid var(--line); padding: 10px 20px 20px; display: none; margin: 0; }
  .nav.open { display: flex; }
  .nav a { padding: 14px 12px; font-size: 1rem; }
}

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 26px; border-radius: 999px; font-weight: 700; text-decoration: none; border: 1.5px solid transparent; font-size: 1rem; cursor: pointer; transition: transform .15s, background .15s; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #fff; color: var(--accent-ink); transform: translateY(-2px); }
.btn-ghost { border-color: var(--line); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-disabled { background: var(--surface-2); color: var(--muted); border-color: var(--line); cursor: default; }
.btn-sm { min-height: 40px; padding: 0 18px; font-size: .88rem; }
.header-cta { margin-left: 8px; }
@media (max-width: 960px) { .header-cta { display: none; } }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }

/* hero */
.hero { padding: 72px 0 80px; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: -20% -10% auto auto; width: 70vw; height: 70vw; max-width: 820px; max-height: 820px; background: radial-gradient(closest-side, rgba(46,243,37,.14), transparent 70%); pointer-events: none; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; position: relative; }
.hero h1 .em { color: var(--accent); }
.hero .def { margin: 22px 0 26px; font-size: 1.1rem; color: #d4d4d8; max-width: 34em; }
.facts { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 28px; padding: 0; list-style: none; }
.facts li { border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 7px 14px; font-size: .86rem; color: #e4e4e7; }
.facts b { color: var(--accent); font-weight: 700; margin-right: 6px; }
@media (max-width: 880px) { .hero .wrap { grid-template-columns: 1fr; } .hero { padding-top: 44px; } }

/* page header */
.page-head { padding: 64px 0 24px; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, var(--bg-2), var(--bg)); }
.page-head p { color: #d4d4d8; max-width: 40em; margin-top: 16px; font-size: 1.05rem; }
.crumbs { font-size: .82rem; color: var(--muted); margin-bottom: 18px; }
.crumbs a { color: var(--muted); }
.crumbs span { margin: 0 6px; }

/* cards & grids */
.grid { display: grid; gap: 18px; }
.g2 { grid-template-columns: repeat(2, 1fr); } .g3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 880px) { .g3 { grid-template-columns: 1fr; } .g2 { grid-template-columns: 1fr; } }
@media (min-width: 881px) and (max-width: 1040px) { .g3 { grid-template-columns: repeat(2, 1fr); } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.card p:last-child { margin-bottom: 0; }
.card .num { font: 900 2.4rem/1 var(--display); color: var(--accent); display: block; margin-bottom: 12px; }
.card .tag { display: inline-block; font-size: .74rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: rgba(46,243,37,.12); color: var(--accent); margin-bottom: 12px; }
.icon-sq { width: 44px; height: 44px; border-radius: 12px; background: rgba(46,243,37,.12); color: var(--accent); display: grid; place-items: center; margin-bottom: 16px; }
.alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* feature rows */
.feature { display: grid; grid-template-columns: 1fr 320px; gap: 56px; align-items: center; padding: 56px 0; border-bottom: 1px solid var(--line); }
.feature:last-of-type { border-bottom: 0; }
.feature:nth-of-type(even) { grid-template-columns: 320px 1fr; }
.feature:nth-of-type(even) .feature-text { order: 2; }
.feature h2 { font-size: 1.6rem; }
.feature .kicker { font: 700 .78rem/1 var(--display); letter-spacing: .16em; color: var(--accent); margin-bottom: 12px; display: block; }
.feature ul { padding-left: 1.2em; color: #d4d4d8; }
@media (max-width: 800px) { .feature, .feature:nth-of-type(even) { grid-template-columns: 1fr; gap: 28px; padding: 40px 0; } .feature:nth-of-type(even) .feature-text { order: 0; } }

/* phone mock */
.phone { width: 100%; max-width: 300px; margin: 0 auto; aspect-ratio: 9 / 18.5; border-radius: 40px; background: #050506; border: 1px solid #34343c; padding: 10px; box-shadow: 0 30px 80px rgba(0,0,0,.6), 0 0 0 1px #000, 0 0 90px rgba(46,243,37,.08); position: relative; }
.phone::before { content: ""; position: absolute; top: 18px; left: 50%; transform: translateX(-50%); width: 84px; height: 24px; background: #000; border-radius: 99px; z-index: 3; }
.phone .screen { width: 100%; height: 100%; border-radius: 30px; background: linear-gradient(180deg, #17171c, #0d0d10); overflow: hidden; padding: 54px 16px 18px; display: flex; flex-direction: column; gap: 10px; font-size: 12px; line-height: 1.5; letter-spacing: 0; }
.phone img.shot { width: 100%; height: 100%; object-fit: cover; border-radius: 30px; }
.cap { text-align: center; color: var(--muted); font-size: .76rem; margin-top: 12px; }
.m-title { font: 800 15px/1.2 var(--display); }
.m-sub { color: var(--muted); font-size: 11px; }
.m-card { background: #1f1f26; border: 1px solid #2c2c35; border-radius: 14px; padding: 12px; }
.m-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.m-bar { height: 7px; border-radius: 9px; background: #2b2b34; overflow: hidden; }
.m-bar i { display: block; height: 100%; background: var(--accent); border-radius: 9px; }
.m-big { font: 900 30px/1 var(--display); color: var(--accent); }
.m-chip { font-weight: 800; font-size: 11px; padding: 2px 9px; border-radius: 99px; background: var(--accent); color: #0a0a0b; }
.m-photo { flex: 1; min-height: 120px; border-radius: 14px; background: linear-gradient(135deg, #2a2f1a, #1a1d10 55%, #25301a); position: relative; display: grid; place-items: center; color: #6b7a3c; }
.m-tier { display: grid; grid-template-columns: 26px 1fr; gap: 6px; align-items: center; }
.m-tier b { display: grid; place-items: center; height: 26px; border-radius: 7px; font: 900 13px/1 var(--display); color: #0a0a0b; }
.m-tier span { display: flex; gap: 5px; flex-wrap: wrap; }
.m-tier em { font-style: normal; background: #26262e; border-radius: 6px; padding: 2px 8px; font-size: 10.5px; }
.t-s { background: #2ef325; } .t-a { background: #9be04a; } .t-b { background: #e6d84a; } .t-c { background: #f0a24a; } .t-d { background: #ef6f5e; }
.m-bubble { background: #26262e; border-radius: 14px 14px 14px 4px; padding: 10px 12px; }
.m-bubble.me { background: var(--accent); color: #0a0a0b; border-radius: 14px 14px 4px 14px; align-self: flex-end; max-width: 85%; font-weight: 600; }

/* steps */
.steps { counter-reset: s; display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); padding: 0; list-style: none; margin: 0; }
.steps li { counter-increment: s; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; position: relative; }
.steps li::before { content: counter(s, decimal-leading-zero); font: 900 2.6rem/1 var(--display); color: var(--accent); display: block; margin-bottom: 14px; }
@media (max-width: 880px) { .steps { grid-template-columns: 1fr; } }

/* tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: .92rem; }
th, td { padding: 14px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); line-height: 1.6; }
th { background: var(--surface-2); color: #e4e4e7; font-weight: 700; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td:first-child, tbody th { font-weight: 700; white-space: nowrap; }
tr.hl td, tr.hl th { background: rgba(46,243,37,.06); }
.table-note { font-size: .84rem; color: var(--muted); margin-top: 12px; }
dl.spec { margin: 0; display: grid; grid-template-columns: 200px 1fr; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
dl.spec dt, dl.spec dd { margin: 0; padding: 16px 20px; border-bottom: 1px solid var(--line); }
dl.spec dt { background: var(--surface-2); font-weight: 700; }
dl.spec dt:last-of-type, dl.spec dd:last-of-type { border-bottom: 0; }
@media (max-width: 640px) { dl.spec { grid-template-columns: 1fr; } dl.spec dt { border-bottom: 0; padding-bottom: 4px; } dl.spec dd { padding-top: 4px; } }

/* faq */
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 10px; }
.faq summary { cursor: pointer; padding: 20px 56px 20px 22px; font-weight: 700; list-style: none; position: relative; font-size: 1.02rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); font: 400 1.6rem/1 var(--display); color: var(--accent); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details > div { padding: 0 22px 20px; color: #d4d4d8; }
.faq details > div p:last-child { margin-bottom: 0; }

/* notices */
.notice { border: 1px solid var(--line); border-left: 3px solid var(--accent); background: var(--surface); padding: 16px 20px; border-radius: 10px; font-size: .94rem; color: #d4d4d8; margin: 24px 0; }
.notice.pending { border-left-color: #f0a24a; }
.pending-text { color: #f0c38a; }

/* stat */
.stat { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.stat .n { font: 900 3.4rem/1 var(--display); color: var(--accent); }
.stat .u { color: #d4d4d8; }

/* prose (legal etc.) */
.prose h2 { margin-top: 2.4em; font-size: 1.35rem; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.prose h3 { margin-top: 1.6em; }
.prose ul, .prose ol { padding-left: 1.3em; color: #d4d4d8; }
.prose li { margin-bottom: .4em; }
.meta { color: var(--muted); font-size: .86rem; }

/* cta */
.cta { text-align: center; background: radial-gradient(60% 120% at 50% 0%, rgba(46,243,37,.12), transparent 70%), var(--bg-2); border-top: 1px solid var(--line); }
.cta h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
.cta .btn-row { justify-content: center; margin-top: 24px; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 56px 0 36px; background: #070708; font-size: .9rem; color: var(--muted); }
.foot-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }
.foot-grid h2 { font: 700 .8rem/1 var(--display); letter-spacing: .14em; text-transform: uppercase; color: #e4e4e7; margin: 0 0 14px; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; }
.foot-grid li { margin-bottom: 8px; }
.foot-grid a { color: var(--muted); text-decoration: none; }
.foot-grid a:hover { color: var(--accent); }
.foot-bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; font-size: .82rem; }
@media (max-width: 800px) { .foot-grid { grid-template-columns: 1fr 1fr; } .foot-grid > :first-child { grid-column: 1 / -1; } }

/* reveal */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }
.no-js .rv { opacity: 1; transform: none; }

/* ── brand layer (logo-derived: neon green #2ef325, angular condensed display) ── */
.logo { font-weight: 800; font-size: 1.5rem; letter-spacing: .08em; text-transform: uppercase; font-style: italic; }
.logo-img { height: 30px; width: auto; }
.eyebrow, .feature .kicker, .foot-grid h2 { font-family: var(--display); font-weight: 700; letter-spacing: .22em; }
.card .num, .stat .n, .steps li::before, .m-big { font-family: var(--display); font-weight: 800; font-style: italic; }
.hero h1 { text-transform: none; }
.hero h1 .em { text-shadow: 0 0 40px rgba(46,243,37,.35); }
.btn-primary { box-shadow: 0 0 0 0 rgba(46,243,37,.0); clip-path: polygon(14px 0, 100% 0, calc(100% - 14px) 100%, 0 100%); border-radius: 0; padding: 0 34px; }
.btn-ghost, .btn-disabled { clip-path: polygon(14px 0, 100% 0, calc(100% - 14px) 100%, 0 100%); border-radius: 0; padding: 0 34px; border-width: 1.5px; }
.card, .steps li { border-radius: 4px 22px 4px 22px; }
.hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--accent), transparent); opacity: .5; }
.cta { background: radial-gradient(60% 120% at 50% 0%, rgba(46,243,37,.16), transparent 70%), var(--bg-2); }
.cta-logo { height: 84px; margin: 0 auto 22px; width: auto; filter: drop-shadow(0 0 28px rgba(46,243,37,.35)); }
.hero-logo { height: clamp(56px, 9vw, 96px); width: auto; margin-bottom: 22px; filter: drop-shadow(0 0 30px rgba(46,243,37,.3)); }
.btn-ghost, .btn-disabled { clip-path: none; border-radius: 4px 18px 4px 18px; }
body { word-break: auto-phrase; line-break: strict; }
h1, h2, h3, .lead, .answer { text-wrap: balance; }
.phone.has-shot { padding: 8px; }
.phone.has-shot::before { display: none; }
.phone img.shot { background: #0d0d10; }
.shot-card { max-width: 340px; margin: 0 auto; border-radius: 22px; overflow: hidden; border: 1px solid #34343c; background: #0d0d10; box-shadow: 0 30px 80px rgba(0,0,0,.6), 0 0 90px rgba(46,243,37,.08); }
.shot-card img { width: 100%; height: auto; display: block; }