:root{
  --navy:#152238;--coral:#FF6B5E;--coral-d:#e2554a;--mint:#7AD7C4;--mint-d:#3aa58f;--mint-l:#e6f7f3;
  --cream:#FFF7EE;--cream-2:#F7E9D8;--slate:#4a5361;--line:rgba(21,34,56,.12);--white:#FFFDFA;
  --ff-jp:"Zen Kaku Gothic New","Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;
  --ff-en:"Manrope","Avenir Next","Helvetica Neue",var(--ff-jp);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--navy);font-family:var(--ff-jp);font-size:17px;line-height:1.85;-webkit-font-smoothing:antialiased}
a{color:var(--coral-d);text-decoration:none}a:hover{color:var(--navy)}
img{max-width:100%;display:block}
.wrap{width:min(1120px,calc(100% - 48px));margin:0 auto}
.en{font-family:var(--ff-en);letter-spacing:.02em}
.eyebrow{font-family:var(--ff-en);font-weight:700;font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--coral-d);margin:0 0 14px}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:.01em;text-wrap:pretty}
h2{font-size:clamp(28px,3.4vw,40px);line-height:1.35}
h3{font-size:20px;line-height:1.5}
p{margin:0}
.fine{font-size:13px;color:var(--slate);line-height:1.7}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:56px;padding:0 30px;border-radius:999px;font-weight:700;font-size:16px;border:1.5px solid transparent;cursor:pointer;transition:transform .15s,background .15s;white-space:nowrap;font-family:inherit}
.btn-sm{min-height:46px;padding:0 22px;font-size:15px}
.btn-primary{background:var(--coral);color:#fff}
.btn-primary:hover{background:var(--coral-d);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--navy)}
input,textarea,select{font:inherit;color:var(--navy);background:var(--white);border:1.5px solid var(--line);border-radius:12px;padding:14px 16px;width:100%;outline:none}
input:focus,textarea:focus,select:focus{border-color:var(--navy)}
label{display:flex;flex-direction:column;gap:6px;font-size:15px;font-weight:700}
section{padding:96px 0}
.sec-head{max-width:640px;margin-bottom:56px}
.sec-head p:not(.eyebrow){margin-top:18px;font-size:17px;color:var(--slate)}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
/* nav */
.nav{position:sticky;top:0;z-index:10;background:rgba(255,247,238,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--ff-en);font-weight:800;font-size:21px;color:var(--navy);letter-spacing:-.01em}
.nav-links{display:flex;gap:30px;font-size:15px;font-weight:700}
.nav-links a{color:var(--navy)}
.nav-links a:hover{color:var(--coral-d)}
/* hero */
.hero{padding:80px 0 72px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px;align-items:center}
.hero h1{font-size:clamp(42px,5.2vw,68px);line-height:1.2;letter-spacing:.005em}
.hero .lead{font-size:18px;line-height:1.9;margin-top:26px;max-width:32em}
.hero .lead strong{font-size:21px;display:inline-block;margin-bottom:6px}
.hero .sub{font-family:var(--ff-en);font-weight:700;color:var(--slate);font-size:15px;margin-top:14px}
.cta-row{display:flex;align-items:center;gap:16px;margin-top:32px;flex-wrap:wrap}
.cta-note{font-size:14px;font-weight:700;color:var(--slate)}
.hint{font-size:14px;margin-top:16px;color:var(--slate);display:flex;align-items:center;gap:8px}
/* demo: library -> phone */
.demo{display:grid;grid-template-columns:minmax(0,1fr) 40px 300px;gap:12px;align-items:center;position:relative}
.demo::before{content:"";position:absolute;inset:10% -8% -8% -8%;background:radial-gradient(55% 55% at 60% 50%,rgba(122,215,196,.35),transparent 70%);z-index:0}
.library{position:relative;z-index:1;background:var(--white);border:1px solid var(--line);border-radius:22px;padding:14px;box-shadow:0 24px 50px -30px rgba(21,34,56,.35)}
.lib-head{display:flex;justify-content:space-between;align-items:baseline;font-size:12px;color:var(--slate);margin-bottom:10px;padding:0 2px}
.lib-head b{font-family:var(--ff-en);color:var(--navy)}
.lib-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}
.lib-grid img{aspect-ratio:1;object-fit:cover;border-radius:8px;opacity:.55;filter:saturate(.6)}
.lib-grid img.found{opacity:1;filter:none;outline:3px solid var(--mint);outline-offset:-3px;box-shadow:0 0 0 2px var(--white) inset}
.lib-foot{margin-top:12px;font-size:12px;font-weight:700;display:flex;align-items:center;gap:8px;color:var(--navy)}
.lib-foot i{width:8px;height:8px;border-radius:50%;background:var(--mint-d);box-shadow:0 0 0 4px rgba(122,215,196,.35)}
.arrow{position:relative;z-index:1;display:flex;justify-content:center;opacity:.6}
.phone{position:relative;z-index:1;width:300px;background:var(--navy);border-radius:42px;padding:12px;box-shadow:0 40px 80px -30px rgba(21,34,56,.5)}
.screen{background:var(--white);border-radius:32px;padding:44px 16px 20px;min-height:600px;display:flex;flex-direction:column;gap:12px}
.screen .date{display:flex;justify-content:space-between;align-items:baseline}
.screen .date b{font-size:18px}
.screen .date span{font-family:var(--ff-en);font-size:12px;color:var(--slate)}
.auto-badge{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:var(--navy);background:var(--mint-l);border-radius:12px;padding:9px 12px}
.tl{display:flex;flex-direction:column;position:relative;padding-left:20px}
.tl::before{content:"";position:absolute;left:5px;top:14px;bottom:14px;width:2px;background:var(--line)}
.meal{position:relative;padding:8px 0 10px}
.meal::before{content:"";position:absolute;left:-19px;top:16px;width:10px;height:10px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 3px var(--white)}
.meal .t{display:flex;justify-content:space-between;align-items:baseline}
.meal .t span{font-family:var(--ff-en);font-weight:700;font-size:13px;color:var(--slate)}
.meal .t b{font-size:14px}
.meal .card{margin-top:6px;display:grid;grid-template-columns:56px 1fr;gap:12px;align-items:center;background:var(--cream);border-radius:16px;padding:8px}
.meal .thumb{width:56px;height:56px;border-radius:12px;object-fit:cover}
.meal .kcal{font-family:var(--ff-en);font-weight:800;font-size:18px;line-height:1.2}
.meal .kcal small{font-weight:600;font-size:11px;color:var(--slate);margin-left:4px}
.meal .pfc{display:flex;gap:5px;margin-top:5px}
.meal .pfc span{font-family:var(--ff-en);font-size:11px;font-weight:700;padding:2px 7px;border-radius:999px;background:var(--white);color:var(--slate)}
.gap-note{margin-top:6px;font-size:11px;color:var(--slate);font-family:var(--ff-en);font-weight:600}
.day-sum{margin-top:auto;display:flex;align-items:baseline;gap:10px;border-top:1px solid var(--line);padding-top:12px;font-size:12px;color:var(--slate)}
.day-sum b{font-family:var(--ff-en);font-size:20px;color:var(--navy)}
.day-sum b small{font-size:11px;margin-left:3px;color:var(--slate)}
.day-sum .en{margin-left:auto;font-weight:700}
/* steps */
.steps{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.step{display:flex;flex-direction:column;gap:16px}
.step .num{font-family:var(--ff-en);font-weight:800;font-size:13px;color:var(--coral-d);letter-spacing:.1em}
.step .ico{width:56px;height:56px;border-radius:18px;background:var(--mint-l);display:flex;align-items:center;justify-content:center;color:var(--navy)}
.step p{color:var(--slate);font-size:16px}
/* privacy */
.privacy{background:var(--navy);color:#fff}
.privacy .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:center}
.privacy .eyebrow{color:var(--mint)}
.privacy h2{color:#fff}
.privacy .lead{color:rgba(255,255,255,.8);margin-top:22px;font-size:17px}
.privacy .fine{color:rgba(255,255,255,.55);margin-top:16px}
.flow{display:flex;flex-direction:column}
.flow-item{display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.flow-item:last-child{border-bottom:0}
.flow-item .pill{width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.08);color:var(--mint)}
.flow-item b{display:block;font-size:17px}
.flow-item span{color:rgba(255,255,255,.72);font-size:15px}
.flow-item.on-device .pill{background:var(--mint);color:var(--navy)}
/* features */
.feat{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:28px;display:flex;flex-direction:column;gap:14px}
.feat p{color:var(--slate);font-size:15.5px}
.data{margin-top:auto;background:var(--cream);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:8px;font-family:var(--ff-en)}
.data small{font-size:12px;color:var(--slate);font-weight:700}
.data .big{font-size:32px;font-weight:800;line-height:1.1}
.data .big small{font-size:13px;margin-left:5px}
.bar{position:relative;height:8px;border-radius:999px;background:var(--cream-2);margin-top:6px}
.bar i{position:absolute;left:14%;right:16%;top:0;bottom:0;border-radius:999px;background:var(--mint)}
.bar em{position:absolute;left:46%;top:-4px;width:16px;height:16px;border-radius:50%;background:var(--coral);border:3px solid var(--white)}
.bar-labels{display:flex;justify-content:space-between;font-size:11px;color:var(--slate);font-weight:700}
.pfc-row{display:flex;gap:6px;margin-top:4px}
.pfc-row span{font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px;background:var(--white);color:var(--navy)}
.kv{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;color:var(--slate);font-family:var(--ff-jp)}
.kv b{font-family:var(--ff-en);font-size:17px;color:var(--navy)}
.kv.hl b{color:var(--coral-d);font-size:19px}
.window{position:relative;height:10px;border-radius:999px;background:var(--cream-2);margin-top:6px}
.window i{position:absolute;top:0;bottom:0;border-radius:999px;background:var(--mint)}
.window em{position:absolute;top:-3px;width:16px;height:16px;border-radius:50%;background:var(--navy);border:3px solid var(--white);margin-left:-8px}
.pbar{display:grid;grid-template-columns:20px 1fr 40px;gap:10px;align-items:center;font-size:13px}
.pbar span{font-family:var(--ff-jp);font-weight:700;color:var(--slate)}
.pbar .track{height:10px;border-radius:999px;background:var(--cream-2);overflow:hidden}
.pbar .track i{display:block;height:100%;border-radius:999px;background:var(--navy)}
.pbar:nth-child(3) .track i{background:var(--coral)}
.pbar b{text-align:right;font-size:14px}
.insight{margin-top:4px;font-family:var(--ff-jp);font-size:12px;font-weight:700;color:var(--coral-d);display:flex;align-items:center;gap:6px}
.insight::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--coral)}
.roadmap{margin-top:28px;font-size:14px;color:var(--slate)}
/* story */
.story{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.story-box{max-width:720px;margin:0 auto;text-align:center}
.story-text{margin-top:28px;display:flex;flex-direction:column;gap:18px;text-align:left;font-size:17px;color:var(--slate)}
/* beta */
.wl{background:var(--navy);color:#fff;border-radius:32px;padding:56px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:48px;align-items:center}
.wl .eyebrow{color:var(--mint)}
.wl h2{color:#fff}
.wl-lead{margin-top:18px;color:rgba(255,255,255,.8);font-size:16px}
.wl ul{margin:22px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px;color:rgba(255,255,255,.85);font-size:15px}
.wl li{display:flex;gap:10px;align-items:flex-start}
.wl li svg{flex:none;margin-top:7px}
.wl form{display:flex;flex-direction:column;gap:14px;background:var(--white);border-radius:24px;padding:28px;color:var(--navy)}
.wl form .fine{color:var(--slate)}
/* faq */
.faq-grid{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:64px;align-items:start}
.faq-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:4px 0}
summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;font-weight:700;font-size:17px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--ff-en);font-size:24px;color:var(--coral-d);flex:none;line-height:1}
details[open] summary::after{content:"−"}
details p{padding:0 0 20px;color:var(--slate);font-size:16px}
/* contact */
.contact{padding:64px 0}
.contact-box{max-width:760px;margin:0 auto;background:var(--white);border:1px solid var(--line);border-radius:24px;padding:32px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:32px;align-items:start}
.contact-box p:not(.eyebrow){margin-top:10px;font-size:15px;color:var(--slate)}
.contact-box form{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.contact-box input,.contact-box textarea{padding:12px 14px;font-size:15px}
/* footer */
footer{padding:48px 0 48px;border-top:1px solid var(--line)}
.about{max-width:720px;font-size:14px;color:var(--slate);display:flex;flex-direction:column;gap:6px}
.about b{color:var(--navy)}
.foot-row{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;font-size:14px;color:var(--slate);margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
footer .links{display:flex;gap:20px}
footer .links a{color:var(--slate)}
/* responsive */
@media (max-width:1000px){
  .demo{grid-template-columns:minmax(0,1fr) 32px 270px}
  .phone{width:270px}
}
@media (max-width:900px){
  section{padding:72px 0}
  .nav .wrap{height:64px}
  .nav-links{display:none}
  .hero{padding:48px 0 56px}
  .hero .wrap,.privacy .wrap,.wl,.faq-grid,.contact-box{grid-template-columns:1fr;gap:40px}
  .hero .lead{font-size:17px}
  .hero .lead strong{font-size:19px}
  .grid-3{grid-template-columns:1fr}
  .cta-row .btn{width:100%}
  .demo{grid-template-columns:1fr;justify-items:center;gap:8px}
  .library{width:100%;max-width:320px}
  .arrow svg{transform:rotate(90deg)}
  .phone{width:300px}
  .screen{min-height:560px}
  .wl{padding:32px 24px}
  .wl form{padding:22px}
  .story-box{text-align:left}
  .contact-box{padding:24px}
}