/* Ippo Nihongo website. Light by default, dark through prefers-color-scheme (or class "dark" / "light" on <html>; the
   phone screens follow the system through <picture>, the class recolours the page only).
   The dark palette is the app's own: #241B17 page, #2F241F cards, #3A2D26 wells, #4A3A32 hairlines. No JavaScript. */
@font-face{font-family:Geist;src:url(fonts/Geist.ttf) format("truetype");font-weight:100 900;font-display:swap}
:root{--bg:#FAF7F5;--bg2:#F4EEEA;--card:#FFFFFF;--border:#E7DDD6;--fg:#2A2320;--muted:#716861;--primary:#D6455D;--primaryStrong:#C43E58;--primaryText:#B8354D;--soft:#FBE8EC;--success:#1B7049;--successSoft:rgba(47,158,107,.15);--accent:#3B4A8C;--accentSoft:#E7E9F5;--warnSoft:rgba(217,138,38,.15);--warnText:#855212;--shadow:0 40px 80px -24px rgba(80,40,30,.28),0 12px 28px -12px rgba(80,40,30,.18);--frame:#1a1513;--frameEdge:rgba(255,255,255,.14)}
html.dark{--bg:#241B17;--bg2:#2F241F;--card:#2F241F;--border:#4A3A32;--fg:#F1E9E4;--muted:#B3A69C;--primary:#E8617A;--primaryStrong:#C43E58;--primaryText:#E8617A;--soft:#4A2A2F;--success:#4CB98A;--successSoft:rgba(76,185,138,.16);--accent:#929DDA;--accentSoft:#33304A;--warnSoft:rgba(224,161,79,.16);--warnText:#E0A14F;--shadow:0 40px 90px -24px rgba(0,0,0,.75),0 12px 28px -12px rgba(0,0,0,.55);--frame:#0f0c0b;--frameEdge:rgba(255,255,255,.18)}
@media (prefers-color-scheme:dark){html:not(.light){--bg:#241B17;--bg2:#2F241F;--card:#2F241F;--border:#4A3A32;--fg:#F1E9E4;--muted:#B3A69C;--primary:#E8617A;--primaryStrong:#C43E58;--primaryText:#E8617A;--soft:#4A2A2F;--success:#4CB98A;--successSoft:rgba(76,185,138,.16);--accent:#929DDA;--accentSoft:#33304A;--warnSoft:rgba(224,161,79,.16);--warnText:#E0A14F;--shadow:0 40px 90px -24px rgba(0,0,0,.75),0 12px 28px -12px rgba(0,0,0,.55);--frame:#0f0c0b;--frameEdge:rgba(255,255,255,.18)}}
.d{display:none}
html.dark .l{display:none}html.dark .d{display:block}
@media (prefers-color-scheme:dark){html:not(.light) .l{display:none}html:not(.light) .d{display:block}}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--fg);font-family:Geist,"Hiragino Sans","Noto Sans JP",system-ui,sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;overflow-wrap:anywhere}
.jp{font-family:"Hiragino Sans","Noto Sans JP",sans-serif}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding:0 40px}
nav.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
nav.top .wrap{display:flex;align-items:center;height:72px;gap:32px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:18px;letter-spacing:-.01em;white-space:nowrap}
.brand img{width:36px;height:36px;border-radius:9px;flex:none}
nav.top .links{margin-left:auto;display:flex;gap:28px;font-size:15px;color:var(--muted)}
nav.top .links a:hover{color:var(--fg)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--primaryStrong);color:#fff;font-weight:600;font-size:15px;padding:11px 20px;border-radius:999px;white-space:nowrap}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--border)}
.badge{display:inline-flex;align-items:center;gap:12px;background:#000;color:#fff;border-radius:12px;padding:10px 20px 10px 16px;border:1px solid #3a3a3a;white-space:nowrap}
.badge svg{width:26px;height:26px;flex:none}
.badge small{display:block;font-size:11px;line-height:1.1;opacity:.85}
.badge b{display:block;font-size:21px;line-height:1.1;font-weight:600;letter-spacing:-.01em}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--primaryText)}
h1{font-size:68px;line-height:1.04;letter-spacing:-.035em;font-weight:700;text-wrap:balance}
h2{font-size:44px;line-height:1.1;letter-spacing:-.03em;font-weight:700;text-wrap:balance}
h3{font-size:22px;line-height:1.25;letter-spacing:-.015em;font-weight:650}
.lead{font-size:20px;color:var(--muted);line-height:1.55}
section{padding:110px 0}

/* The phone: a real App Store screenshot (1320 × 2868, the 440 × 956 pt iPhone) in a thin dark frame with the
   Dynamic Island. Everything scales with the phone's width through container units, so a 420 px hero phone and a
   full-width phone on a small screen keep the same proportions. --pw sets the width per place. */
.phone{width:var(--pw,420px);max-width:100%;container-type:inline-size;flex:none}
.frame{position:relative;padding:10px;border-radius:60px;background:var(--frame);box-shadow:var(--shadow),inset 0 0 0 1.5px var(--frameEdge)}
.frame img{display:block;width:100%;height:auto;border-radius:50px;background:#000}
@supports (width:1cqw){
 .frame{padding:2.3cqw;border-radius:14.3cqw}
 .frame img{border-radius:12cqw}
 .frame:after{content:"";position:absolute;left:50%;top:4.8cqw;width:28.5cqw;height:8.2cqw;transform:translateX(-50%);border-radius:999px;background:#000}
}

/* hero */
.hero{padding:72px 0 96px;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:64px;align-items:center}
.hero h1 .k{color:var(--primaryText)}
.hero .lead{margin:24px 0 36px;max-width:520px}
.hero .cta{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.hero .fine{margin-top:18px;font-size:14px;color:var(--muted);max-width:520px}
.hero .phone{--pw:420px;justify-self:center;position:relative;z-index:1}
.glow{position:absolute;right:-120px;top:0;width:760px;height:760px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--primary) 22%,transparent),transparent 65%);pointer-events:none}

/* highlights */
.why{padding:0 0 20px}
.why .row{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:24px;overflow:hidden}
.why .item{background:var(--card);padding:28px 28px 30px}
.why .ic{width:42px;height:42px;border-radius:12px;background:var(--soft);color:var(--primaryText);display:grid;place-items:center;margin-bottom:18px}
.why .ic svg{width:22px;height:22px}
.why b{display:block;font-size:17px;line-height:1.3;margin-bottom:6px;text-wrap:balance}
.why p{font-size:15px;color:var(--muted);line-height:1.5}

/* features */
.head{max-width:680px;margin-bottom:48px}
.head h2{margin:14px 0 18px}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;padding:64px 0;border-top:1px solid var(--border)}
.feat:first-of-type{border-top:0}
.feat.rev .txt{order:2}
.feat .txt{max-width:460px}
.feat .tag{display:grid;place-items:center;font-size:30px;line-height:1;width:56px;height:56px;border-radius:16px;background:var(--soft);color:var(--primaryText);margin-bottom:24px}
.feat h3{font-size:32px;letter-spacing:-.025em;margin-bottom:14px;text-wrap:balance}
.feat p{color:var(--muted);font-size:18px}
.feat ul{list-style:none;margin-top:22px;display:grid;gap:10px}
.feat li{display:flex;gap:12px;font-size:16px}
.feat li:before{content:"";flex:none;width:20px;height:20px;margin-top:3px;border-radius:50%;background:var(--successSoft) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'><path d='M6 10.5l2.6 2.5L14 7.5' fill='none' stroke='%232F9E6B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/20px no-repeat}
.feat .vis{display:flex;justify-content:center;padding:44px 24px;border-radius:32px;background:linear-gradient(160deg,var(--bg2),var(--card));border:1px solid var(--border);min-width:0}
.feat .vis .phone{--pw:400px}

/* pricing */
.price .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:start}
.pcard{background:var(--card);border:1px solid var(--border);border-radius:28px;padding:44px;box-shadow:var(--shadow);min-width:0}
.pcard .amt{display:flex;align-items:baseline;gap:12px;margin:10px 0 4px;flex-wrap:wrap}
.pcard .amt b{font-size:64px;letter-spacing:-.04em;line-height:1}
.pcard .amt span{color:var(--muted);font-size:17px}
.pcard .trial{margin:24px 0 32px;display:flex;align-items:center;justify-content:center;width:100%;padding:16px;font-size:17px;white-space:normal;text-align:center}
.tiers{display:grid;grid-template-columns:1fr 1fr;gap:28px;border-top:1px solid var(--border);padding-top:28px}
.tiers h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.tiers ul{list-style:none;display:grid;gap:10px;font-size:15px}
.tiers li{display:flex;gap:10px}
.tiers li:before{content:"✓";color:var(--success);font-weight:700}
.pnote{font-size:13px;color:var(--muted);margin-top:24px}
.trialbox{margin-top:22px;padding:18px 20px;border-radius:16px;background:var(--bg2);border:1px solid var(--border);font-size:15px;color:var(--muted)}
.trialbox b{color:var(--fg)}
.plist{list-style:none;margin-top:36px;display:grid;gap:22px}
.plist li{padding-left:20px;border-left:2px solid var(--primary)}
.plist b{display:block;font-size:17px}
.plist span{color:var(--muted);font-size:15px}

/* faq */
.faq{max-width:820px;margin:0 auto}
.faq details{border-bottom:1px solid var(--border);padding:24px 0}
.faq summary{font-size:19px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--primaryText);font-size:24px;line-height:1;flex:none}
.faq details[open] summary:after{content:"−"}
.faq details p{color:var(--muted);margin-top:12px;font-size:16px}

/* call to action and footer */
.cta-band{padding:0 0 110px}
.cta-band .box{border-radius:32px;padding:72px;background:var(--primaryStrong);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:40px;position:relative;overflow:hidden}
.cta-band .box>div{position:relative;z-index:1;min-width:0}
.cta-band .box h2{font-size:40px;max-width:560px}
.cta-band .box p{opacity:.85;margin-top:12px;font-size:18px}
.cta-band .box .bigk{position:absolute;right:300px;top:-60px;font-size:320px;opacity:.09;line-height:1;font-weight:700;z-index:0}
.cta-band .badge{position:relative;z-index:1;flex:none}
footer{border-top:1px solid var(--border);padding:56px 0 64px;font-size:15px;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;align-items:flex-start;gap:40px}
footer .wrap>div:first-child{min-width:0;max-width:420px}
footer .cols{display:flex;gap:64px;flex:none}
footer h5{font-size:13px;color:var(--fg);margin-bottom:12px;font-weight:600}
footer .cols a{display:block;margin-bottom:8px}
footer a:hover{color:var(--fg)}
footer .brand{color:var(--fg);margin-bottom:12px}

/* doc pages */
.doc{padding:80px 0 110px}
.doc .wrap{max-width:820px}
.doc h1{font-size:52px;margin:14px 0 12px}
.doc .meta{color:var(--muted);font-size:15px}
.draft{margin:32px 0 48px;padding:18px 22px;border-radius:16px;background:var(--soft);color:var(--fg);font-size:15px;border:1px solid color-mix(in srgb,var(--primary) 30%,transparent)}
.draft b{color:var(--primaryText)}
.doc h2{font-size:26px;letter-spacing:-.02em;margin:48px 0 14px}
.doc p,.doc li{color:var(--muted);font-size:17px;margin-bottom:12px}
.doc ul,.doc ol{padding-left:22px}
.doc strong{color:var(--fg)}
.doc p a,.doc li a{text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--primaryText) 40%,transparent);text-underline-offset:3px}
.ph{background:var(--warnSoft);color:var(--warnText);padding:1px 8px;border-radius:6px;font-weight:600;font-size:.92em;border:1px dashed color-mix(in srgb,var(--warnText) 50%,transparent);-webkit-box-decoration-break:clone;box-decoration-break:clone}
.ph:before{content:"PLACEHOLDER: ";font-size:.78em;letter-spacing:.06em}
.summary{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:16px}
.summary div{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:22px}
.summary b{display:block;color:var(--fg);margin-bottom:4px}
.summary span{font-size:15px;color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:40px 0 8px}
.cards a{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:24px}
.cards b{display:block;font-size:17px;margin:12px 0 4px}
.cards span{font-size:15px;color:var(--muted)}
.cards i{font-style:normal;font-size:24px;color:var(--primaryText)}
.steps{counter-reset:s;list-style:none;padding:0!important}
.steps li{counter-increment:s;position:relative;padding-left:42px}
.steps li:before{content:counter(s);position:absolute;left:0;top:1px;width:26px;height:26px;border-radius:50%;background:var(--soft);color:var(--primaryText);font-size:14px;font-weight:700;display:grid;place-items:center}
.contact{margin-top:48px;padding:36px;border-radius:24px;background:var(--card);border:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:24px}
.contact>div{min-width:0}
.contact h3{margin-bottom:4px}
.contact p{margin:0}
.contact .btn{flex:none;max-width:100%;white-space:normal;text-align:center;overflow-wrap:anywhere}

@media (max-width:1100px){
 h1{font-size:56px}
 .hero .wrap{grid-template-columns:minmax(0,1fr) 380px;gap:48px}
 .hero .phone{--pw:380px}
 .feat{gap:48px}
 .feat .vis{padding:36px 20px}
 .feat .vis .phone{--pw:100%;max-width:400px}
 .price .wrap{gap:48px}
}
@media (max-width:1000px){
 .why .row{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
 .hero .wrap{grid-template-columns:1fr;gap:48px}
 .hero .phone{--pw:100%;max-width:400px}
 .feat{grid-template-columns:1fr;gap:32px}
 .feat.rev .txt{order:0}
 .price .wrap{grid-template-columns:1fr;gap:36px}
 .cta-band .box{flex-direction:column;align-items:flex-start}
 footer .wrap{flex-direction:column}
}
@media (max-width:760px){
 .wrap{padding:0 20px}
 nav.top .wrap{height:60px;gap:16px}
 nav.top .links{display:none}
 nav.top .btn{margin-left:auto;padding:9px 16px;font-size:14px}
 h1{font-size:44px}
 h2{font-size:32px}
 .lead{font-size:18px}
 section{padding:72px 0}
 .hero{padding:44px 0 64px}
 .hero .wrap{gap:40px}
 .hero .phone{max-width:420px}
 .hero .lead{margin:20px 0 28px}
 .glow{right:-300px;top:400px}
 .why{padding-bottom:8px}
 .why .row{grid-template-columns:1fr;border-radius:20px}
 .why .item{display:grid;grid-template-columns:42px 1fr;column-gap:16px;padding:20px 20px 22px;align-items:start}
 .why .ic{grid-row:1/3;margin:0}
 .why b{margin-bottom:4px}
 .head{margin-bottom:24px}
 .feat{padding:44px 0;gap:28px}
 .feat h3{font-size:26px}
 .feat p{font-size:17px}
 .feat .vis{margin:0 -20px;border-radius:0;border-left:0;border-right:0;padding:28px 20px}
 .feat .vis .phone{--pw:100%;max-width:420px}
 .pcard{padding:28px 22px}
 .pcard .amt b{font-size:52px}
 .tiers{grid-template-columns:1fr}
 .faq summary{font-size:17px}
 .cta-band{padding-bottom:72px}
 .cta-band .box{padding:40px 24px;gap:28px}
 .cta-band .box h2{font-size:30px}
 .cta-band .box .bigk{right:-40px;top:auto;bottom:-60px;font-size:240px}
 .cta-band .badge{align-self:flex-start}
 footer .cols{gap:32px 40px;flex-wrap:wrap}
 .doc{padding:48px 0 72px}
 .doc h1{font-size:38px}
 .doc h2{font-size:23px;margin-top:40px}
 .summary,.cards{grid-template-columns:1fr}
 .contact{flex-direction:column;align-items:flex-start;padding:26px 22px}
 .contact .btn{width:100%}
}
@media (max-width:400px){
 h1{font-size:40px}
 .doc h1{font-size:34px}
 .hero .cta{gap:14px}
 .badge{padding:9px 16px 9px 14px}
 .badge b{font-size:19px}
}
@media (max-width:360px){
 h1{font-size:36px}
 .why .item{grid-template-columns:38px 1fr;column-gap:12px}
 .why .ic{width:38px;height:38px}
}