@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&family=Zen+Kaku+Gothic+New:wght@400;500;700;900&display=swap');

:root{
  --sage-900:#2f3b2f;
  --sage-700:#4a5d47;
  --sage-500:#7c9473;
  --sage-300:#b7c9ad;
  --sage-100:#e8efe2;
  --cream:#faf7f0;
  --cream-deep:#f2ead9;
  --coral:#e8664f;
  --coral-dark:#c94e39;
  --gold:#c9a05a;
  --ink:#2b2a26;
  --ink-soft:#5d5a52;
  --white:#ffffff;
  --shadow-sm:0 2px 12px rgba(47,59,47,.08);
  --shadow-md:0 12px 32px rgba(47,59,47,.14);
  --radius:18px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Zen Kaku Gothic New','Noto Sans JP',sans-serif;
  color:var(--ink);
  background:var(--cream);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 24px;}
section{position:relative;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--sage-700);background:var(--sage-100);
  padding:7px 18px;border-radius:999px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--coral);}

h1,h2,h3,h4{font-family:'Noto Sans JP',sans-serif;font-weight:900;margin:0;color:var(--sage-900);}
.section-title{font-size:clamp(26px,4vw,38px);text-align:center;letter-spacing:.02em;}
.section-lead{text-align:center;color:var(--ink-soft);max-width:560px;margin:14px auto 0;font-size:15px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:17px 38px;border-radius:999px;font-weight:700;font-size:16px;
  border:none;transition:transform .25s ease,box-shadow .25s ease;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--coral),var(--coral-dark));
  color:#fff;box-shadow:0 10px 24px rgba(201,78,57,.32);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(201,78,57,.4);}
.btn-outline{
  background:transparent;border:1.5px solid var(--sage-500);color:var(--sage-900);
}
.btn-outline:hover{background:var(--sage-100);}
.btn-block{width:100%;}
.btn-small{padding:11px 22px;font-size:14px;}

/* Header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(250,247,240,.9);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(47,59,47,.06);
  transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:0 4px 20px rgba(47,59,47,.08);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;}
.logo{display:flex;align-items:center;gap:10px;font-family:'Noto Sans JP',sans-serif;font-weight:900;font-size:21px;color:var(--sage-900);letter-spacing:.02em;}
.logo span{color:var(--coral);}
.logo .mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--sage-500),var(--sage-900));display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:900;}
.nav-desktop{display:flex;align-items:center;gap:36px;}
.nav-desktop a{font-size:14.5px;font-weight:500;color:var(--ink-soft);position:relative;padding:4px 0;}
.nav-desktop a:hover{color:var(--sage-900);}
.header-cta{display:flex;align-items:center;gap:18px;}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:8px;}
.nav-toggle span{width:24px;height:2px;background:var(--sage-900);border-radius:2px;}
.nav-mobile{
  display:none;position:fixed;top:76px;left:0;right:0;bottom:0;background:var(--cream);
  z-index:99;padding:32px 24px;
}
.nav-mobile.open{display:block;}
.nav-mobile a{display:block;padding:18px 0;font-size:19px;font-weight:700;border-bottom:1px solid var(--sage-100);color:var(--sage-900);}

/* Hero */
.hero{padding:150px 0 90px;background:linear-gradient(180deg,var(--cream) 0%,var(--cream-deep) 100%);overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-copy h1{font-size:clamp(30px,4.4vw,48px);line-height:1.45;letter-spacing:.01em;}
.hero-copy h1 .accent{color:var(--coral);}
.hero-copy p{color:var(--ink-soft);font-size:16px;margin:22px 0 32px;max-width:480px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.hero-note{margin-top:16px;font-size:13px;color:var(--sage-700);display:flex;align-items:center;gap:8px;}
.hero-note::before{content:"✓";color:var(--sage-500);font-weight:900;}
.hero-visual{position:relative;}
.hero-visual .photo-main{border-radius:28px;overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:4/5;}
.hero-visual .photo-main img{width:100%;height:100%;object-fit:cover;}
.floating-card{
  position:absolute;background:#fff;border-radius:16px;box-shadow:var(--shadow-md);
  padding:16px 20px;display:flex;align-items:center;gap:12px;
}
.floating-card.card-1{top:8%;left:-40px;}
.floating-card.card-2{bottom:8%;right:-30px;}
.floating-card .icon{width:42px;height:42px;border-radius:12px;background:var(--sage-100);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;}
.floating-card .num{font-size:20px;font-weight:900;color:var(--sage-900);line-height:1;}
.floating-card .label{font-size:11.5px;color:var(--ink-soft);margin-top:3px;}
.hero-stats{display:flex;gap:0;margin-top:56px;border-top:1px solid rgba(47,59,47,.1);padding-top:32px;}
.hero-stats .stat{flex:1;text-align:center;border-right:1px solid rgba(47,59,47,.1);}
.hero-stats .stat:last-child{border-right:none;}
.hero-stats .stat b{display:block;font-size:clamp(22px,3vw,30px);font-weight:900;color:var(--sage-900);font-family:'Noto Sans JP',sans-serif;}
.hero-stats .stat span{font-size:12.5px;color:var(--ink-soft);}

/* Problem */
.problem{padding:96px 0;background:var(--white);}
.problem-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:52px;}
.problem-card{
  background:var(--cream);border-radius:16px;padding:28px 18px;text-align:center;
  transition:transform .25s ease,box-shadow .25s ease;
}
.problem-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-sm);}
.problem-card .emoji{font-size:34px;margin-bottom:14px;}
.problem-card p{font-size:14px;font-weight:500;color:var(--ink);margin:0;}
.problem-arrow{text-align:center;margin-top:44px;font-size:14px;color:var(--sage-700);font-weight:700;}

/* Solution / bridge */
.solution{padding:100px 0;background:var(--sage-900);color:#fff;position:relative;}
.solution::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(232,102,79,.18),transparent 55%);}
.solution-inner{position:relative;text-align:center;max-width:760px;margin:0 auto;}
.solution .eyebrow{background:rgba(255,255,255,.1);color:#e8efe2;}
.solution h2{color:#fff;font-size:clamp(26px,4vw,36px);line-height:1.6;}
.solution h2 .accent{color:#f2a48f;}
.solution p{color:rgba(255,255,255,.72);margin-top:20px;font-size:15.5px;}

/* Method steps */
.method{padding:100px 0;background:var(--cream);}
.method-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:56px;counter-reset:step;}
.step-card{background:#fff;border-radius:var(--radius);padding:36px 28px;box-shadow:var(--shadow-sm);position:relative;}
.step-card .step-num{
  position:absolute;top:-18px;left:28px;width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,var(--coral),var(--coral-dark));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:900;font-size:18px;box-shadow:0 8px 18px rgba(201,78,57,.3);
}
.step-card .photo{border-radius:12px;overflow:hidden;aspect-ratio:16/10;margin-bottom:20px;margin-top:14px;}
.step-card .photo img{width:100%;height:100%;object-fit:cover;}
.step-card h3{font-size:18px;margin-bottom:10px;}
.step-card p{font-size:14px;color:var(--ink-soft);margin:0;}
.step-arrow{display:none;}

/* Features */
.features{padding:100px 0;background:#fff;}
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;margin-top:70px;}
.feature-row:not(:first-of-type){margin-top:96px;}
.feature-row.reverse .feature-photo{order:2;}
.feature-photo{border-radius:24px;overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:4/3;}
.feature-photo img{width:100%;height:100%;object-fit:cover;}
.feature-copy .tag{font-size:13px;font-weight:700;color:var(--coral);letter-spacing:.06em;margin-bottom:12px;display:block;}
.feature-copy h3{font-size:clamp(21px,2.6vw,26px);line-height:1.5;margin-bottom:16px;}
.feature-copy p{color:var(--ink-soft);font-size:15px;}
.feature-list{margin-top:20px;}
.feature-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink);padding:8px 0;}
.feature-list li::before{content:"✓";color:var(--sage-500);font-weight:900;flex-shrink:0;}

/* Ingredients */
.ingredients{padding:100px 0;background:var(--sage-100);}
.ing-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:56px;}
.ing-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s ease;}
.ing-card:hover{transform:translateY(-5px);}
.ing-photo{aspect-ratio:1/1;overflow:hidden;}
.ing-photo img{width:100%;height:100%;object-fit:cover;}
.ing-body{padding:18px;}
.ing-body h4{font-size:15.5px;margin-bottom:6px;}
.ing-body p{font-size:12.5px;color:var(--ink-soft);margin:0;}

/* Testimonials */
.testimonials{padding:100px 0;background:#fff;}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:56px;}
.testi-card{background:var(--cream);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm);}
.testi-top{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.testi-photo{width:56px;height:56px;border-radius:50%;overflow:hidden;flex-shrink:0;}
.testi-photo img{width:100%;height:100%;object-fit:cover;}
.testi-name{font-weight:700;font-size:14.5px;color:var(--sage-900);}
.testi-meta{font-size:12px;color:var(--ink-soft);}
.stars{color:var(--gold);font-size:13px;margin-bottom:10px;letter-spacing:2px;}
.testi-card p{font-size:14px;color:var(--ink);margin:0;}
.testi-badge{display:inline-block;margin-top:14px;font-size:11.5px;background:var(--sage-100);color:var(--sage-700);padding:5px 12px;border-radius:999px;font-weight:700;}

/* Before/After band */
.result-band{padding:70px 0;background:var(--sage-900);}
.result-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.result-grid .r-num{font-size:clamp(30px,3.6vw,42px);font-weight:900;color:#fff;font-family:'Noto Sans JP',sans-serif;}
.result-grid .r-num span{color:#f2a48f;}
.result-grid .r-label{font-size:13px;color:rgba(255,255,255,.65);margin-top:6px;}

/* Pricing */
.pricing{padding:100px 0;background:var(--cream);}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:56px;align-items:stretch;}
.price-card{background:#fff;border-radius:var(--radius);padding:36px 30px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;border:2px solid transparent;}
.price-card.featured{border-color:var(--coral);position:relative;transform:scale(1.04);box-shadow:var(--shadow-md);}
.price-ribbon{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--coral);color:#fff;font-size:12px;font-weight:700;padding:6px 18px;border-radius:999px;white-space:nowrap;}
.price-card h3{font-size:16px;color:var(--sage-700);letter-spacing:.04em;margin-bottom:6px;}
.price-card .price{font-size:clamp(28px,3.4vw,34px);font-weight:900;color:var(--sage-900);font-family:'Noto Sans JP',sans-serif;margin-bottom:2px;}
.price-card .price small{font-size:13px;font-weight:500;color:var(--ink-soft);}
.price-card .price-desc{font-size:12.5px;color:var(--ink-soft);margin-bottom:22px;}
.price-card ul{margin-bottom:26px;flex-grow:1;}
.price-card li{display:flex;gap:9px;font-size:13.5px;padding:7px 0;color:var(--ink);}
.price-card li::before{content:"✓";color:var(--sage-500);font-weight:900;}

/* Guarantee */
.guarantee{padding:56px 0;background:#fff;}
.guarantee-box{
  background:linear-gradient(135deg,var(--sage-100),var(--cream-deep));border-radius:24px;
  padding:44px 48px;display:flex;align-items:center;gap:32px;
}
.guarantee-icon{width:78px;height:78px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;font-size:34px;flex-shrink:0;box-shadow:var(--shadow-sm);}
.guarantee-box h3{font-size:19px;margin-bottom:8px;}
.guarantee-box p{font-size:14px;color:var(--ink-soft);margin:0;}

/* FAQ */
.faq{padding:100px 0;background:var(--white);}
.faq-list{max-width:760px;margin:52px auto 0;}
.faq-item{border-bottom:1px solid var(--sage-100);}
.faq-q{
  width:100%;background:none;border:none;text-align:left;padding:24px 4px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-size:16px;font-weight:700;color:var(--sage-900);
}
.faq-q .plus{width:26px;height:26px;border-radius:50%;background:var(--sage-100);flex-shrink:0;position:relative;transition:transform .3s ease;}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:var(--sage-700);top:50%;left:50%;transform:translate(-50%,-50%);}
.faq-q .plus::before{width:11px;height:2px;}
.faq-q .plus::after{width:2px;height:11px;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--coral);}
.faq-item.open .faq-q .plus::before,.faq-item.open .faq-q .plus::after{background:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 4px 24px;font-size:14.5px;color:var(--ink-soft);margin:0;}

/* Final CTA */
.final-cta{padding:110px 0;background:linear-gradient(135deg,var(--sage-900),#1f2a1f);text-align:center;position:relative;overflow:hidden;}
.final-cta::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 30%,rgba(232,102,79,.18),transparent 50%);}
.final-cta-inner{position:relative;}
.final-cta h2{color:#fff;font-size:clamp(26px,4vw,38px);line-height:1.6;}
.final-cta p{color:rgba(255,255,255,.7);margin:18px 0 34px;font-size:15px;}
.final-cta .btn-primary{padding:20px 48px;font-size:17px;}
.final-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.5);}

/* Footer */
.site-footer{background:#20261f;color:rgba(255,255,255,.6);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08);}
.footer-brand .logo{color:#fff;}
.footer-brand p{font-size:13px;margin-top:14px;color:rgba(255,255,255,.5);max-width:260px;}
.footer-col h5{color:#fff;font-size:13.5px;margin-bottom:16px;font-weight:700;}
.footer-col a{display:block;font-size:13px;padding:6px 0;color:rgba(255,255,255,.55);}
.footer-col a:hover{color:#fff;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;font-size:12.5px;flex-wrap:wrap;gap:12px;}
.sns-row{display:flex;gap:12px;}
.sns-row a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;font-size:14px;}

/* Sticky mobile CTA */
.sticky-cta{
  position:fixed;bottom:0;left:0;right:0;z-index:90;background:#fff;
  padding:12px 16px;box-shadow:0 -6px 24px rgba(0,0,0,.1);display:none;
  align-items:center;gap:12px;
}
.sticky-cta .btn{flex:1;}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* Responsive */
@media (max-width:980px){
  .nav-desktop{display:none;}
  .nav-toggle{display:flex;}
  .header-cta .btn{display:none;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{max-width:420px;margin:0 auto;}
  .problem-grid{grid-template-columns:repeat(2,1fr);}
  .feature-row{grid-template-columns:1fr;gap:28px;}
  .feature-row.reverse .feature-photo{order:0;}
  .method-steps{grid-template-columns:1fr;}
  .ing-grid{grid-template-columns:repeat(2,1fr);}
  .testi-grid{grid-template-columns:1fr;}
  .result-grid{grid-template-columns:repeat(2,1fr);row-gap:32px;}
  .price-grid{grid-template-columns:1fr;}
  .price-card.featured{transform:none;}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:32px;}
  .guarantee-box{flex-direction:column;text-align:center;padding:36px 28px;}
  .sticky-cta{display:flex;}
  body{padding-bottom:74px;}
  .hero-note{justify-content:center;}
}
@media (max-width:560px){
  .problem-grid{grid-template-columns:repeat(2,1fr);}
  .ing-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .floating-card{display:none;}
  .hero{padding:130px 0 64px;}
  .hero-stats{flex-wrap:wrap;}
  .hero-stats .stat{flex:1 1 50%;margin-bottom:20px;border-right:none;}
}