:root{
  --bg:#111318;
  --bg-rgb:17,19,24;
  --surface:#1a1d24;
  --surface-2:#242832;
  --ink:#eceef2;
  --ink-soft:#a5abb8;
  --ink-faint:#7a818f;
  --accent:#e296aa;
  --accent-ink:#e296aa;
  --moon:#e9e3d6;
  --line:rgba(236,238,242,.1);
  --on-accent:#1a1016;
  --maxw:1160px;
  --gutter:clamp(16px,5vw,48px);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font:"Inter Tight","Noto Sans JP",system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--ink);
  font-family:var(--font);font-size:16px;line-height:1.8;
  font-feature-settings:"palt";
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.num{font-feature-settings:"tnum"}

/* ---------- nav ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:0 var(--gutter);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease);
}
.nav.scrolled,body.menu-open .nav{
  background:rgba(var(--bg-rgb),.82);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:1.05rem;letter-spacing:-.02em}
.brand-mark{width:18px;height:18px;color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:.875rem;color:var(--ink-soft);transition:color .2s}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-links .nav-cta{
  color:var(--on-accent);background:var(--accent);
  padding:8px 16px;border-radius:8px;font-weight:500;
}
.nav-links .nav-cta:hover{color:var(--on-accent);opacity:.88}
.nav-toggle{
  display:none;width:40px;height:40px;margin-right:-8px;border:0;background:none;cursor:pointer;
  position:relative;
}
.nav-toggle span{
  position:absolute;left:10px;right:10px;height:1.5px;background:var(--ink);
  transition:transform .3s var(--ease),top .3s var(--ease);
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:23px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){top:19px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){top:19px;transform:rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:10px;border:1px solid transparent;
  font-size:.95rem;font-weight:500;cursor:pointer;white-space:nowrap;
  transition:background .2s,border-color .2s,opacity .2s,transform .2s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:var(--on-accent)}
.btn-primary:hover{opacity:.88}
.btn-ghost{border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink-faint)}
.arrow{display:inline-block;transition:transform .2s var(--ease)}
a:hover > .arrow{transform:translate(2px,-2px)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;overflow:hidden}
#petals{position:absolute;inset:0;z-index:1;pointer-events:none}
.hero-inner{position:relative;z-index:2;flex:1;display:flex;flex-direction:column;justify-content:center;padding-top:112px;padding-bottom:48px;pointer-events:none}
.hero-inner a{pointer-events:auto}
.hero h1{
  font-weight:600;letter-spacing:-.055em;line-height:.9;
  font-size:clamp(3.2rem,12vw,7.5rem);
}
.hero-lead{margin-top:28px;font-size:clamp(1.05rem,2.2vw,1.35rem);color:var(--ink-soft);max-width:36em;line-height:1.7;word-break:auto-phrase}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.hero > .wrap{width:100%}
.hero-stats{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  border-top:1px solid var(--line);
}
.hero-stats div{padding:20px 0 28px}
.hero-stats div + div{padding-left:24px;border-left:1px solid var(--line)}
.hero-stats dt{font-size:.75rem;color:var(--ink-faint);letter-spacing:.04em}
.hero-stats dd{font-size:1.5rem;font-weight:600;letter-spacing:-.02em;margin-top:2px}

.moon-wrap{
  position:absolute;z-index:3;top:14%;right:6%;width:min(22vw,260px);
  display:flex;flex-direction:column;align-items:center;user-select:none;-webkit-user-select:none;
}
.moon{
  position:relative;width:100%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle at 38% 38%,#fbfaf6,var(--moon) 46%,rgba(233,227,214,.12) 72%,transparent 74%);
  opacity:.78;cursor:grab;touch-action:none;
  box-shadow:0 0 90px 26px rgba(233,227,214,.1);
}
.moon:active{cursor:grabbing}
.moon-face{position:absolute;inset:0;border-radius:50%;pointer-events:none;filter:blur(.4px);
  background:
    radial-gradient(circle at 62% 38%,rgba(70,60,52,.16) 0 6px,transparent 7px),
    radial-gradient(circle at 36% 60%,rgba(70,60,52,.12) 0 11px,transparent 12px),
    radial-gradient(circle at 68% 68%,rgba(70,60,52,.1) 0 5px,transparent 6px),
    radial-gradient(circle at 48% 30%,rgba(70,60,52,.08) 0 4px,transparent 5px);
}
.moon-hint{margin-top:14px;font-size:.75rem;color:var(--ink-faint);white-space:nowrap;transition:opacity .4s var(--ease);pointer-events:none}
.moon-hint.hide{opacity:0}

/* ---------- sections ---------- */
.section{padding:clamp(88px,12vw,144px) 0;border-top:1px solid var(--line)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(32px,5vw,56px)}
.section-title{font-size:clamp(2rem,5vw,3.25rem);font-weight:600;letter-spacing:-.04em;line-height:1.05}
.section-title small{display:block;font-size:.875rem;font-weight:500;letter-spacing:0;color:var(--ink-faint);margin-top:10px}
.section-note{color:var(--ink-soft);max-width:34em}

.split{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(24px,6vw,96px)}
.prose p{color:var(--ink-soft)}
.prose p + p{margin-top:1.1em}
.prose .lead{color:var(--ink);font-size:clamp(1.25rem,2.6vw,1.6rem);line-height:1.6;font-weight:500;letter-spacing:-.01em}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:40px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.facts div{background:var(--bg);padding:18px 20px}
.facts dt{font-size:.75rem;color:var(--ink-faint)}
.facts dd{margin-top:2px;font-weight:500}

/* ---------- apps ---------- */
.filters{display:flex;flex-wrap:wrap;gap:4px;padding:4px;border:1px solid var(--line);border-radius:10px}
.chip{
  border:0;background:none;color:var(--ink-soft);cursor:pointer;
  padding:6px 14px;border-radius:7px;font-size:.85rem;transition:background .2s,color .2s;
}
.chip:hover{color:var(--ink)}
.chip.active{background:var(--surface-2);color:var(--ink)}

.app-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.app{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;
  transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.app:hover{border-color:var(--ink-faint);transform:translateY(-2px)}
.app[hidden]{display:none}
.app-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.app-icon{
  width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:var(--surface-2);color:var(--accent-ink);font-size:1.3rem;font-weight:600;
}
.app-name{font-size:1.35rem;font-weight:600;letter-spacing:-.03em;line-height:1.3}
.status{display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:500;padding:2px 10px;border-radius:100px;border:1px solid currentColor}
.status::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.status.live{color:var(--accent-ink)}
.status.dev{color:var(--ink-faint)}
.app-desc{color:var(--ink-soft);font-size:.9rem;line-height:1.8;margin-top:10px;flex:1}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px;list-style:none}
.tag{font-size:.75rem;color:var(--ink-soft);border:1px solid var(--line);border-radius:6px;padding:1px 8px}
.app-action{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:.875rem}
.app-action a{display:inline-flex;align-items:center;gap:6px;font-weight:500;color:var(--accent-ink)}
.app-action a:hover{text-decoration:underline;text-underline-offset:4px}
.app-action span{color:var(--ink-faint)}

/* ---------- support ---------- */
.segmented{display:inline-flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:10px;margin-bottom:24px}
.segmented button{border:0;background:none;cursor:pointer;padding:8px 18px;border-radius:7px;font-size:.875rem;color:var(--ink-soft);transition:background .2s,color .2s}
.segmented button.active{background:var(--surface-2);color:var(--ink)}
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.plan{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:28px;
}
.plan.featured{border-color:var(--accent)}
.plan-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.plan-name{font-weight:600}
.plan-flag{font-size:.7rem;font-weight:500;color:var(--on-accent);background:var(--accent);padding:2px 8px;border-radius:100px}
.plan-price{margin:18px 0 12px;display:flex;align-items:baseline;gap:2px}
.plan-price .price-val{font-size:2.5rem;font-weight:600;letter-spacing:-.04em;line-height:1}
.plan-price .currency{font-size:1.1rem;font-weight:500}
.plan-price .period{font-size:.85rem;color:var(--ink-faint);margin-left:4px}
.plan-desc{font-size:.9rem;color:var(--ink-soft);flex:1;margin-bottom:24px}
.plan .btn{width:100%}
.plan:not(.featured) .btn{background:var(--surface-2);color:var(--ink)}
.plan:not(.featured) .btn:hover{opacity:.8}
.support-foot{margin-top:24px;font-size:.9rem;color:var(--ink-soft)}
.support-foot a{color:var(--accent-ink);border-bottom:1px solid currentColor}

/* ---------- contact ---------- */
.mail{
  display:inline-flex;align-items:center;gap:12px;margin-top:8px;
  font-size:clamp(1.4rem,4.5vw,2.75rem);font-weight:600;letter-spacing:-.03em;
  border-bottom:2px solid var(--line);padding-bottom:6px;transition:border-color .2s,color .2s;
  word-break:break-all;
}
.mail:hover{border-color:var(--accent);color:var(--accent-ink)}

/* ---------- sub pages ---------- */
.page-head{padding:clamp(128px,18vw,200px) 0 clamp(48px,7vw,80px)}
.page-head h1{font-size:clamp(2.75rem,9vw,6rem);font-weight:600;letter-spacing:-.05em;line-height:.95}
.page-head p{margin-top:20px;color:var(--ink-soft);max-width:34em}

.profile{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(24px,6vw,96px);padding:clamp(48px,7vw,80px) 0;border-top:1px solid var(--line)}
.avatar{
  width:clamp(96px,14vw,144px);aspect-ratio:1;border-radius:50%;
  display:grid;place-items:center;background:var(--surface-2);color:var(--accent);
}
.avatar svg{width:42%;height:42%}
.profile-name{margin-top:24px;font-size:2rem;font-weight:600;letter-spacing:-.03em;line-height:1.2}
.profile-role{color:var(--ink-faint);font-size:.9rem;margin-top:4px}
.block + .block{margin-top:48px}
.block h2{font-size:.8rem;font-weight:500;color:var(--ink-faint);letter-spacing:.06em;margin-bottom:14px}
.stack{display:flex;flex-wrap:wrap;gap:8px;list-style:none}
.stack li{font-size:.875rem;border:1px solid var(--line);border-radius:8px;padding:4px 12px;background:var(--surface)}
.works{list-style:none;border-top:1px solid var(--line)}
.works li{border-bottom:1px solid var(--line)}
.works a{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;transition:color .2s}
.works a:hover{color:var(--accent-ink)}
.works .meta{font-size:.8rem;color:var(--ink-faint)}

.news-list{list-style:none;border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:140px minmax(0,1fr);gap:clamp(12px,4vw,48px);padding:32px 0;border-bottom:1px solid var(--line)}
.news-item time{font-size:.9rem;color:var(--ink-faint);padding-top:3px}
.news-cat{display:inline-block;font-size:.72rem;color:var(--ink-soft);border:1px solid var(--line);border-radius:6px;padding:0 8px;margin-bottom:8px}
.news-item h2{font-size:1.2rem;font-weight:600;letter-spacing:-.02em;line-height:1.5}
.news-item p{color:var(--ink-soft);margin-top:8px}
.news-item p a{color:var(--accent-ink);border-bottom:1px solid currentColor}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);padding:40px 0 48px}
.foot-in{display:flex;flex-wrap:wrap;gap:20px 32px;justify-content:space-between;align-items:center}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 24px;list-style:none;font-size:.85rem;color:var(--ink-soft)}
.foot-links a:hover{color:var(--ink)}
.foot small{font-size:.8rem;color:var(--ink-faint)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .nav-toggle{display:block}
  .nav-links{
    position:fixed;top:72px;left:var(--gutter);right:var(--gutter);
    flex-direction:column;align-items:stretch;gap:0;padding:8px;
    background:var(--surface);border:1px solid var(--line);border-radius:14px;
    box-shadow:0 24px 48px -24px rgba(0,0,0,.45);
    opacity:0;transform:translateY(-8px);pointer-events:none;visibility:hidden;
    transition:opacity .25s var(--ease),transform .25s var(--ease),visibility 0s linear .25s;
  }
  .nav-links.open{opacity:1;transform:none;pointer-events:auto;visibility:visible;transition-delay:0s}
  .nav-links a{padding:12px;font-size:1rem;color:var(--ink);border-radius:8px}
  .nav-links a:hover{background:var(--surface-2)}
  .nav-links .nav-cta{margin-top:6px;text-align:center}
  .split,.profile{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr}
}
@media (max-width:640px){
  .moon-wrap{width:32vw;top:92px;right:var(--gutter)}
  .moon-hint{font-size:.68rem}
  .hero-inner{justify-content:flex-end;padding-bottom:40px}
  .hero-stats div + div{padding-left:14px}
  .hero-stats dd{font-size:1.2rem}
  .facts{grid-template-columns:1fr}
  .app-grid{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr;gap:4px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}