:root{--bg:#f3f6fc;--surface:#ffffff;--surface2:#eaf0fa;--text:#0f1422;--muted:#55607a;--line:rgba(15,20,34,.10);--accent:#3d6fff;--accent2:#19b4cc;--accent-ink:#ffffff;--radius:10px;--font-head:'Manrope',system-ui,sans-serif;--font-body:'Inter',system-ui,sans-serif;}
/* Theme variables are injected above by build.py from site.json "theme" */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html.locked{overflow:hidden}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.65 var(--font-body);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent)}
h1,h2,h3{font-family:var(--font-head);line-height:1.15;margin:0 0 .6em;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5.2vw,3.7rem);font-weight:700}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem);font-weight:700}
h3{font-size:1.15rem;font-weight:600}
p{margin:0 0 1em}
.wrap{width:min(1160px,100% - 40px);margin-inline:auto}
.narrow{width:min(820px,100% - 40px)}
.center{text-align:center}
.small{font-size:.86rem;color:var(--muted)}
.intro{color:var(--muted);max-width:720px;font-size:1.06rem;margin-bottom:2em}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:.85em 1.5em;border-radius:var(--radius);
  background:linear-gradient(135deg,var(--accent),var(--accent2));color:var(--accent-ink);font:600 1rem/1.2 var(--font-head);
  text-decoration:none;border:0;cursor:pointer;box-shadow:0 8px 28px -10px var(--accent);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 34px -10px var(--accent)}
.btn-xl{padding:1.05em 2em;font-size:1.1rem}
.btn-sm{padding:.6em 1.1em;font-size:.92rem}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line);box-shadow:none}
.btn-ghost:hover{border-color:var(--accent);box-shadow:none}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font:700 1.15rem var(--font-head);color:var(--text);text-decoration:none;margin-right:auto}
.logo-mark{width:28px;height:28px;display:block}
.logo-mark svg{width:100%;height:100%;display:block}
.nav-links{display:flex;gap:22px}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.95rem}
.nav-links a:hover{color:var(--text)}

/* hero */
.hero{position:relative;min-height:min(86vh,760px);display:flex;align-items:center;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-1}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 30%}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--bg) 8%,color-mix(in srgb,var(--bg) 78%,transparent) 48%,color-mix(in srgb,var(--bg) 35%,transparent)),linear-gradient(0deg,var(--bg),transparent 40%)}
.hero-in{padding:90px 0 70px;max-width:1160px}
.hero-in>*{max-width:640px}
.eyebrow{display:inline-block;font:600 .82rem var(--font-head);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);
  padding:.45em .9em;border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);border-radius:99px;margin-bottom:1.3em}
.lead{font-size:1.18rem;color:color-mix(in srgb,var(--text) 86%,transparent)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin:1.8em 0 1.4em}
.trust{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px 20px;color:var(--muted);font-size:.92rem}
.trust li::before{content:"✓";color:var(--accent);margin-right:.45em;font-weight:700}

/* sections */
.sec{padding:88px 0}
.sec-alt{background:var(--surface);border-block:1px solid var(--line)}
.two{display:grid;grid-template-columns:1.35fr 1fr;gap:56px;align-items:start}
.factbox{background:var(--surface2);border:1px solid var(--line);border-radius:calc(var(--radius) * 1.6);padding:28px}
.factbox ul{list-style:none;padding:0;margin:0 0 1em}
.factbox li{padding:.6em 0;border-bottom:1px dashed var(--line)}
.factbox li strong{display:block;color:var(--accent);font:600 .8rem var(--font-head);letter-spacing:.08em;text-transform:uppercase}

.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:2.4em}
.feat{background:var(--surface2);border:1px solid var(--line);border-radius:calc(var(--radius) * 1.6);padding:26px;position:relative}
.feat-n{font:700 .85rem var(--font-head);color:var(--accent);display:block;margin-bottom:.8em}
.feat p{color:var(--muted);margin:0}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:calc(var(--radius) * 1.6);margin-bottom:1em}
table{width:100%;border-collapse:collapse;min-width:560px}
th,td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{font:600 .9rem var(--font-head);background:var(--surface2)}
tbody th{font-weight:600;color:var(--muted);width:26%}
td.hl{color:var(--text);background:color-mix(in srgb,var(--accent) 7%,transparent)}
tbody tr:last-child>*{border-bottom:0}

.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:1.4em}
.card{position:relative;display:block;border-radius:calc(var(--radius) * 1.6);overflow:hidden;color:var(--text);text-decoration:none;
  aspect-ratio:3/4;background:var(--surface2);border:1px solid var(--line);transition:transform .2s,box-shadow .2s}
.card img{width:100%;height:100%;object-fit:cover}
.card:hover,.card:focus-visible{transform:translateY(-4px);box-shadow:0 18px 40px -16px var(--accent)}
.card-tag{position:absolute;top:12px;left:12px;font:600 .72rem var(--font-head);letter-spacing:.08em;text-transform:uppercase;
  background:color-mix(in srgb,var(--bg) 70%,transparent);backdrop-filter:blur(6px);padding:.4em .7em;border-radius:99px}
.card-body{position:absolute;inset:auto 0 0 0;padding:60px 16px 16px;display:flex;flex-direction:column;gap:4px;
  background:linear-gradient(0deg,color-mix(in srgb,var(--bg) 95%,transparent) 30%,transparent);font-size:.9rem}
.card-body strong{font:700 1.12rem var(--font-head)}
.card-body span{color:color-mix(in srgb,var(--text) 82%,transparent)}
.card-cta{color:var(--accent)!important;font-weight:600;margin-top:4px}

.steps{list-style:none;counter-reset:s;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:0 0 2.4em}
.steps li{counter-increment:s;padding:28px;border-left:3px solid var(--accent);background:var(--surface);border-radius:0 calc(var(--radius) * 1.6) calc(var(--radius) * 1.6) 0}
.steps li::before{content:counter(s);display:block;font:700 2.2rem var(--font-head);color:var(--accent);margin-bottom:.2em}
.steps p{color:var(--muted);margin:0}

.chips{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px;align-content:start}
.chips li{padding:.55em 1em;border:1px solid var(--line);border-radius:99px;background:var(--surface2);font-size:.92rem}

.plans{display:grid;grid-template-columns:repeat(2,minmax(0,360px));justify-content:center;gap:22px;margin-bottom:1.4em}
.plan{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:calc(var(--radius) * 1.6);padding:30px;display:flex;flex-direction:column}
.plan-hl{border-color:var(--accent);box-shadow:0 20px 50px -28px var(--accent)}
.plan ul{padding-left:1.1em;color:var(--muted);flex:1}
.price{font:700 2.2rem var(--font-head);margin:.2em 0 0}
.badge{position:absolute;top:-12px;right:20px;background:var(--accent);color:var(--accent-ink);font:700 .75rem var(--font-head);padding:.35em .8em;border-radius:99px}

details{border-bottom:1px solid var(--line);padding:4px 0}
summary{cursor:pointer;list-style:none;padding:18px 36px 18px 0;font:600 1.06rem var(--font-head);position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:4px;top:14px;font-size:1.5rem;color:var(--accent);transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);padding-bottom:12px}

.final{padding:100px 0;background:radial-gradient(ellipse at center,color-mix(in srgb,var(--accent) 22%,transparent),transparent 70%)}
.final p{color:var(--muted);font-size:1.1rem;margin-bottom:1.6em}

.foot{padding:48px 0 60px;border-top:1px solid var(--line);font-size:.86rem;color:var(--muted)}
.foot-brand{font:700 1.05rem var(--font-head);color:var(--text)}
.foot a{color:var(--muted)}
.foot-langs a{margin-right:10px;white-space:nowrap}
.foot-langs a[aria-current]{color:var(--accent)}
.legal{padding-top:20px}
.legal h2{font-size:1.25rem;margin-top:1.6em}

/* age gate */
.age{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(14px)}
.age[hidden]{display:none}
.age-box{max-width:460px;text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:calc(var(--radius) * 2);padding:36px 30px}
.age-badge{display:inline-block;font:700 1.4rem var(--font-head);color:var(--accent);border:2px solid var(--accent);border-radius:50%;width:64px;height:64px;line-height:60px}
.age-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:1.4em}

/* go page */
.go{display:grid;place-items:center;min-height:100vh;text-align:center;padding:20px}
.go-box{max-width:440px}
.spinner{display:inline-block;width:44px;height:44px;border:4px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1em}
@keyframes spin{to{transform:rotate(360deg)}}

@media (max-width:960px){
  .two{grid-template-columns:1fr;gap:32px}
  .feats{grid-template-columns:1fr 1fr}
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .nav-links{display:none}
}
@media (max-width:600px){
  body{font-size:16px}
  .sec{padding:64px 0}
  .feats{grid-template-columns:1fr}
  .cards{gap:12px}
  .card-body{padding:40px 12px 12px;font-size:.82rem}
  .card-body span:not(.card-cta){display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .plans{grid-template-columns:1fr}
  .hero{min-height:auto}
  .hero-in{padding:56px 0 48px}
  .hero-bg::after{background:linear-gradient(0deg,var(--bg) 10%,color-mix(in srgb,var(--bg) 70%,transparent))}
  .hero-ctas .btn{width:100%}
}
:lang(ja) h1,:lang(ja) h2{word-break:auto-phrase}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* ===== layout variants (site.json "layout") ===== */
/* nav: pill */
.nav-pill .nav{position:sticky;top:12px;background:transparent;border:0;backdrop-filter:none;margin-bottom:-76px}
.nav-pill .nav-in{width:min(980px,100% - 24px);background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:99px;padding:0 10px 0 22px;height:60px}
.nav-pill .hero-split{padding-top:140px}
.nav-pill .hero-center{padding-top:160px}
.nav-pill .hero-in{padding-top:150px}

/* hero: split */
.hero-split{min-height:auto;display:block;padding:70px 0 40px}
.split-in{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.split-art{position:relative;height:560px}
.split-art img{position:absolute;width:56%;aspect-ratio:3/4;object-fit:cover;border-radius:calc(var(--radius) * 1.6);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.6);border:1px solid var(--line)}
.split-art .sa0{left:22%;top:0;z-index:2}
.split-art .sa1{left:0;top:18%;transform:rotate(-6deg);opacity:.9}
.split-art .sa2{right:0;top:24%;transform:rotate(6deg);opacity:.9}

/* hero: center */
.hero-center{min-height:auto;display:block;padding:90px 0 0;text-align:center;overflow:hidden}
.center-in>*{margin-inline:auto;max-width:820px}
.center-in .hero-ctas,.center-in .trust{justify-content:center}
.hero-strip{display:flex;justify-content:center;gap:16px;margin-top:56px;padding-bottom:0;
  mask-image:linear-gradient(0deg,transparent,#000 45%);-webkit-mask-image:linear-gradient(0deg,transparent,#000 45%)}
.hero-strip img{width:200px;aspect-ratio:3/4;object-fit:cover;border-radius:calc(var(--radius) * 1.4);flex:none}
.hero-strip img:nth-child(odd){transform:translateY(28px)}

/* status box */
.status-box{border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);background:color-mix(in srgb,var(--accent) 7%,var(--surface));
  border-radius:calc(var(--radius) * 1.6);padding:34px}
.status-label{display:flex;align-items:center;gap:10px;font:700 .8rem var(--font-head);letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 6px color-mix(in srgb,var(--accent) 22%,transparent)}
.status-box ul{padding-left:1.2em;color:var(--muted)}

/* chat mockup */
.chat-two{align-items:center}
.phone{margin:0;max-width:380px;justify-self:center;width:100%;background:var(--surface2);border:1px solid var(--line);
  border-radius:34px;padding:14px;box-shadow:0 30px 70px -35px var(--accent)}
.phone-top{display:flex;align-items:center;gap:12px;padding:8px 8px 14px;border-bottom:1px solid var(--line)}
.phone-top img{width:42px;height:42px;border-radius:50%;object-fit:cover;object-position:top}
.phone-top span{display:flex;flex-direction:column;line-height:1.2}
.phone-top small{color:var(--accent);font-size:.75rem}
.phone-body{display:flex;flex-direction:column;gap:10px;padding:16px 6px}
.bub{max-width:82%;padding:10px 14px;border-radius:18px;font-size:.92rem;line-height:1.45}
.bub.them{background:var(--surface);border:1px solid var(--line);border-bottom-left-radius:6px;align-self:flex-start}
.bub.me{background:linear-gradient(135deg,var(--accent),var(--accent2));color:var(--accent-ink);border-bottom-right-radius:6px;align-self:flex-end}
.bub-img{padding:4px;width:58%}
.bub-img img{border-radius:14px;aspect-ratio:3/4;object-fit:cover;width:100%}
.phone figcaption{text-align:center;padding:4px 0 6px}

/* what: fact box on the left */
.two-rev>:first-child{order:2}

/* why: list and zigzag */
.feats-list{list-style:none;padding:0;margin:0 0 2.4em;display:grid;grid-template-columns:1fr 1fr;gap:6px 48px}
.feats-list li{padding:22px 0;border-bottom:1px solid var(--line)}
.feats-list .feat-n{font-size:1.6rem}
.feats-list p{color:var(--muted);margin:0}
.zigs{display:flex;flex-direction:column;gap:28px;margin-bottom:2.4em}
.zig{display:grid;grid-template-columns:220px 1fr;gap:32px;align-items:center}
.zig img{width:220px;aspect-ratio:1;object-fit:cover;object-position:top;border-radius:calc(var(--radius) * 1.6)}
.zig:nth-child(even){grid-template-columns:1fr 220px}
.zig:nth-child(even) img{order:2}
.zig p{color:var(--muted);margin:0}

/* compare: versus */
.versus{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:stretch;margin-bottom:1em}
.vs-card{background:var(--surface);border:1px solid var(--line);border-radius:calc(var(--radius) * 1.6);padding:28px}
.vs-hl{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 6%,var(--surface))}
.vs-card dl{margin:0}
.vs-card dl div{padding:12px 0;border-bottom:1px dashed var(--line)}
.vs-card dt{font:600 .78rem var(--font-head);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.vs-card dd{margin:2px 0 0}
.vs-mid{align-self:center;font:700 1.1rem var(--font-head);color:var(--accent-ink);background:var(--accent);border-radius:50%;width:56px;height:56px;display:grid;place-items:center}

/* cards: rail and list */
.cards-rail{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:18px;padding-bottom:14px;scrollbar-width:thin}
.cards-rail .card{flex:0 0 260px;scroll-snap-align:start}
.cards-list{grid-template-columns:1fr 1fr}
.cards-list .card{aspect-ratio:auto;display:grid;grid-template-columns:150px 1fr;min-height:190px}
.cards-list .card img{height:100%;aspect-ratio:auto}
.cards-list .card-body{position:static;background:none;padding:20px;justify-content:center}
.cards-list .card-tag{top:10px;left:10px}

/* steps: timeline */
.steps-timeline{grid-template-columns:1fr;max-width:760px;margin-inline:auto;position:relative;gap:0}
.steps-timeline li{background:none;border:0;border-radius:0;padding:0 0 34px 76px;position:relative}
.steps-timeline li::before{position:absolute;left:0;top:-4px;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  font-size:1.4rem;background:var(--surface2);border:2px solid var(--accent)}
.steps-timeline li:not(:last-child)::after{content:"";position:absolute;left:25px;top:52px;bottom:4px;width:2px;background:var(--line)}

/* faq: grid */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.qa{background:var(--surface2);border:1px solid var(--line);border-radius:calc(var(--radius) * 1.4);padding:24px}
.qa h3{font-size:1.04rem}
.qa p{color:var(--muted);margin:0}

/* light mode tweaks */
.mode-light .btn-ghost{color:var(--text)}
.mode-light .card-body{background:linear-gradient(0deg,color-mix(in srgb,#000 72%,transparent) 30%,transparent);color:#fff}
.mode-light .card-body span{color:rgba(255,255,255,.88)}
.mode-light .card-tag{background:rgba(255,255,255,.85);color:#111}
.mode-light .cards-list .card-body{background:none;color:var(--text)}
.mode-light .cards-list .card-body span{color:var(--muted)}

@media (max-width:960px){
  .split-in{grid-template-columns:1fr}
  .split-art{height:380px;max-width:440px;margin-inline:auto;width:100%}
  .versus{grid-template-columns:1fr}
  .vs-mid{justify-self:center}
  .cards-list,.faq-grid,.feats-list{grid-template-columns:1fr}
  .hero-strip img{width:140px}
}
@media (max-width:600px){
  .nav-pill .nav-in{padding:0 8px 0 16px}
  .hero-split{padding:40px 0 20px}
  .nav-pill .hero-split{padding-top:108px}
  .nav-pill .hero-center{padding-top:116px}
  .split-art{height:300px}
  .hero-center{padding-top:56px}
  .hero-strip{gap:10px;margin-top:36px}
  .hero-strip img{width:31vw}
  .hero-strip img:nth-child(n+4){display:none}
  .zig,.zig:nth-child(even){grid-template-columns:96px 1fr;gap:16px}
  .zig img,.zig:nth-child(even) img{width:96px;order:0}
  .cards-list .card{grid-template-columns:110px 1fr;min-height:150px}
  .cards-list .card-body{padding:14px}
  .steps-timeline li{padding-left:64px}
}