/* ============================================================
   Nutrition Wellness Japan — stylesheet
   2026-08-01 brush-up: contrast, hierarchy, depth, a11y
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --gold:#8B7A3A;--gold-dark:#5F5222;--gold-light:#C4A84A;--gold-pale:#E4D8B8;
  --cream:#F7F3EB;--cream-dark:#EDE5D4;
  --olive:#4F5226;--olive-mid:#6B6B35;
  --text:#2B2B28;--text-mid:#54544E;--text-light:#83837B;--white:#fff;
  --radius:10px;--radius-sm:6px;--radius-lg:16px;
  --shadow-sm:0 1px 2px rgba(43,43,40,.05),0 2px 8px rgba(43,43,40,.05);
  --shadow-md:0 2px 4px rgba(43,43,40,.05),0 8px 24px rgba(43,43,40,.08);
  --shadow-lg:0 4px 8px rgba(43,43,40,.06),0 18px 48px rgba(43,43,40,.12);
  --ease:cubic-bezier(.2,.8,.2,1);
  --maxw:960px;
}
html{scroll-behavior:smooth}
body{
  font-family:'Noto Sans JP',-apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic',sans-serif;
  color:var(--text);line-height:1.85;background:var(--cream);
  font-size:16px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
strong{font-weight:700;color:var(--text)}
:focus-visible{outline:3px solid var(--gold-light);outline-offset:3px;border-radius:2px}

/* Skip link (a11y) */
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--olive);color:#fff;padding:12px 20px;border-radius:0 0 var(--radius-sm) 0;font-size:14px;font-weight:700}
.skip-link:focus{left:0}

/* Inline icons */
.icon{width:1em;height:1em;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.125em}

/* ============================================================ NAV
   Scoped to the page-level nav only — footer uses <nav class="footer-nav">
   and must not inherit the sticky white bar. */
body>nav{
  background:rgba(255,255,255,.94);backdrop-filter:saturate(1.6) blur(10px);
  border-bottom:1px solid var(--gold-pale);padding:0 32px;
  display:flex;align-items:center;justify-content:space-between;height:68px;
  position:sticky;top:0;z-index:100;box-shadow:0 1px 12px rgba(43,43,40,.05);
}
.nav-brand{font-family:'Noto Serif JP',serif;font-weight:700;font-size:15px;color:var(--gold-dark);letter-spacing:.06em}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-size:14px;color:var(--text-mid);font-weight:500;transition:color .2s;position:relative}
.nav-links a:not(.nav-cta)::after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav-links a:not(.nav-cta):hover{color:var(--gold-dark)}
.nav-links a:not(.nav-cta):hover::after{transform:scaleX(1)}
.nav-cta{background:var(--olive);color:var(--white)!important;padding:11px 22px;border-radius:999px;font-weight:700;font-size:13.5px!important;letter-spacing:.03em;box-shadow:var(--shadow-sm);transition:background .2s,transform .15s,box-shadow .2s!important}
.nav-cta:hover{background:var(--gold-dark)!important;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--gold-dark);margin:5px 0;border-radius:2px;transition:transform .25s,opacity .2s}

/* ============================================================ HERO */
.hero-top{
  position:relative;min-height:min(78vh,600px);
  background-image:url('images/hero-vegetables.jpg');
  background-size:cover;background-position:center;
  display:flex;align-items:center;
}
/* Dark scrim: left-weighted so text sits on solid contrast, photo stays visible right */
.hero-top-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(31,34,18,.86) 0%,rgba(31,34,18,.72) 38%,rgba(31,34,18,.30) 66%,rgba(31,34,18,.18) 100%),
    linear-gradient(to bottom,rgba(31,34,18,.30),rgba(31,34,18,0) 40%);
}
.hero-top-content{position:relative;padding:0 clamp(24px,6vw,72px);max-width:760px;width:100%}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.18em;color:#EFE4BE;
  border:1px solid rgba(239,228,190,.45);border-radius:999px;padding:7px 16px;margin-bottom:24px;
  text-transform:uppercase;
}
.hero-eyebrow .icon{width:14px;height:14px}
.hero-top h1{
  font-family:'Noto Serif JP',serif;
  font-size:clamp(28px,4.6vw,52px);font-weight:700;line-height:1.35;color:#fff;
  letter-spacing:.01em;margin-bottom:20px;text-shadow:0 2px 20px rgba(0,0,0,.35);
}
.hero-top h1 .hl{color:#F1DE9F}
.hero-top-catch{
  font-size:clamp(15px,1.6vw,18px);color:rgba(255,255,255,.9);
  line-height:1.95;margin-bottom:34px;max-width:34em;text-shadow:0 1px 12px rgba(0,0,0,.35);
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-note{font-size:12.5px;color:rgba(255,255,255,.72);margin-top:18px;display:flex;align-items:center;gap:7px}
.hero-note .icon{width:15px;height:15px;color:#EFE4BE}

/* Trust bar (replaces the old gold slab + arrow) */
.trust-bar{background:var(--gold-dark);color:#fff;padding:34px 24px}
.trust-inner{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:center}
.trust-item{padding:4px 8px;position:relative}
.trust-item+.trust-item::before{content:'';position:absolute;left:0;top:12%;bottom:12%;width:1px;background:rgba(255,255,255,.22)}
.trust-num{font-family:'Noto Serif JP',serif;font-size:clamp(24px,3.4vw,34px);font-weight:700;line-height:1.2;color:#F1DE9F;display:block}
.trust-num small{font-size:.5em;font-weight:700;margin-left:2px}
.trust-label{font-size:12.5px;color:rgba(255,255,255,.86);line-height:1.7;margin-top:6px;display:block}

/* ============================================================ CAMPAIGN */
.banner-area{background:var(--cream);padding:30px 24px;text-align:center}
.banner-pill{
  display:inline-flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--gold-pale);border-radius:999px;
  padding:12px 26px;box-shadow:var(--shadow-sm);
  color:var(--gold-dark);font-size:16px;font-weight:700;letter-spacing:.04em;
}
.banner-pill .icon{width:18px;height:18px;color:var(--gold)}
.banner-pill .dot{width:8px;height:8px;border-radius:50%;background:#C0392B;flex-shrink:0;box-shadow:0 0 0 0 rgba(192,57,43,.5);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(192,57,43,.45)}70%{box-shadow:0 0 0 10px rgba(192,57,43,0)}100%{box-shadow:0 0 0 0 rgba(192,57,43,0)}}

/* ============================================================ LAYOUT */
section{padding:clamp(56px,7vw,88px) 24px}
.sec-white{background:var(--white)}
.sec-cream{background:var(--cream)}
.container{max-width:var(--maxw);margin:0 auto}
.container-wide{max-width:1100px;margin:0 auto}

/* ============================================================ HEADINGS */
.sec-eyebrow{
  display:block;font-size:11.5px;font-weight:700;letter-spacing:.2em;
  color:var(--gold-light);text-transform:uppercase;margin-bottom:12px;
}
.sec-title-center .sec-eyebrow,.sec-title-center+.sec-eyebrow{text-align:center}
.sec-title{
  font-family:'Noto Serif JP',serif;font-size:clamp(22px,3.6vw,32px);
  font-weight:700;color:var(--gold-dark);margin-bottom:18px;line-height:1.45;letter-spacing:.01em;
}
.sec-title-center{text-align:center}
.sec-lead{text-align:center;font-size:14.5px;color:var(--text-mid);margin-bottom:44px;line-height:1.9;max-width:44em;margin-left:auto;margin-right:auto}
.gold-rule{border:none;border-top:1px solid var(--gold-pale);margin:0 0 32px;opacity:.9}
.gold-rule-center{max-width:64px;border-top:3px solid var(--gold);border-radius:2px;margin:0 auto 36px;opacity:1}

/* ============================================================ ABOUT */
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,56px);align-items:start}
.about-img-wrap{width:100%;aspect-ratio:4/5;background:var(--cream-dark);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);position:relative}
.about-img-wrap img{width:100%;height:100%;object-fit:cover}
.about-content p{font-size:15px;line-height:1.95;color:var(--text-mid);margin-bottom:22px}
.about-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;color:var(--gold-dark);margin-bottom:12px;
  letter-spacing:.08em;
}
.about-label .icon{width:16px;height:16px;color:var(--gold)}

/* ============================================================ LISTS */
.target-list,.effect-list,.check-list{list-style:none;margin-bottom:24px}
.target-list li,.effect-list li,.check-list li{
  font-size:14.5px;padding:11px 0;border-bottom:1px solid var(--gold-pale);
  display:flex;gap:12px;align-items:flex-start;line-height:1.75;
}
.target-list li:last-child,.effect-list li:last-child,.check-list li:last-child{border-bottom:none}
.target-list li::before,.effect-list li::before{
  content:'';flex-shrink:0;width:7px;height:7px;margin-top:9px;border-radius:2px;
  background:var(--gold);transform:rotate(45deg);
}
.check-list li::before{
  content:'';flex-shrink:0;width:20px;height:20px;margin-top:2px;border-radius:50%;
  background:var(--gold-pale) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235F5222' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
}

/* ============================================================ WHY */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.why-card{
  background:var(--white);border:1px solid var(--gold-pale);
  padding:0 0 26px;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;
}
.why-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.why-card img{width:100%;aspect-ratio:16/9;object-fit:cover;margin-bottom:22px}
.why-card h3{
  font-size:17px;font-weight:700;color:var(--gold-dark);margin:0 26px 12px;
  display:flex;align-items:center;gap:10px;line-height:1.5;
}
.why-card h3 .icon{width:22px;height:22px;color:var(--gold);flex-shrink:0}
.why-card p{font-size:14px;color:var(--text-mid);line-height:1.9;margin:0 26px}

/* ============================================================ EVIDENCE */
.evidence-grid{display:grid;gap:22px}
.ev-item{
  background:var(--white);border:1px solid var(--gold-pale);border-left:4px solid var(--gold);
  padding:26px 30px;border-radius:0 var(--radius) var(--radius) 0;
  box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;
}
.ev-item:hover{transform:translateX(3px);box-shadow:var(--shadow-md)}
.ev-item h3{font-size:17px;font-weight:700;color:var(--gold-dark);margin-bottom:12px;display:flex;align-items:center;gap:11px;line-height:1.5}
.ev-item h3 .icon{width:22px;height:22px;color:var(--gold);flex-shrink:0}
.ev-item p{font-size:14px;line-height:1.9;color:var(--text-mid)}
.ev-ref{font-size:11.5px;color:var(--text-light);margin-top:10px;display:flex;align-items:center;gap:6px}
.ev-ref .icon{width:13px;height:13px}
.data-box{
  background:var(--cream);border:1px solid var(--gold-pale);border-radius:var(--radius-sm);
  padding:16px 20px;margin-top:16px;font-size:13px;line-height:1.95;color:var(--text-mid);
}
.data-box strong{
  color:var(--gold-dark);font-size:10.5px;font-weight:700;display:block;margin-bottom:6px;
  letter-spacing:.14em;text-transform:uppercase;
}

/* ============================================================ COURSES */
.course-grid{display:grid;gap:0}
.course-item{
  display:grid;grid-template-columns:320px 1fr;gap:clamp(24px,4vw,44px);align-items:center;
  border-bottom:1px solid var(--gold-pale);padding:38px 0;
}
.course-item:first-child{padding-top:8px}
.course-item:last-child{border-bottom:none;padding-bottom:8px}
.course-item-img{
  background:var(--cream-dark);aspect-ratio:16/10;border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.course-item-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.course-item:hover .course-item-img img{transform:scale(1.045)}
.course-num{
  font-size:10.5px;font-weight:700;letter-spacing:.22em;color:var(--gold-light);
  text-transform:uppercase;margin-bottom:8px;
}
.course-item-body h3{font-family:'Noto Serif JP',serif;font-size:25px;font-weight:700;color:var(--gold-dark);margin-bottom:6px;line-height:1.4}
.course-sub{font-size:13.5px;color:var(--gold);margin-bottom:16px;font-weight:500}
.course-item-body p{font-size:14.5px;color:var(--text-mid);line-height:1.95;margin-bottom:22px}

/* ============================================================ BUTTONS */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;cursor:pointer;font-family:inherit;letter-spacing:.03em;text-align:center;
  transition:background .22s,transform .18s,box-shadow .22s;border-radius:999px;
}
.btn .icon{width:17px;height:17px}
.btn:hover{transform:translateY(-2px)}
.btn-olive{background:var(--olive);color:var(--white);padding:16px 38px;font-size:15px;box-shadow:var(--shadow-md)}
.btn-olive:hover{background:var(--gold-dark);box-shadow:var(--shadow-lg)}
.btn-gold{background:var(--gold);color:var(--white);padding:16px 38px;font-size:15px;box-shadow:var(--shadow-md)}
.btn-gold:hover{background:var(--gold-dark);box-shadow:var(--shadow-lg)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.6);color:#fff;padding:14px 30px;font-size:14.5px;backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-outline-gold{border:2px solid var(--gold);color:var(--gold-dark);padding:13px 32px;font-size:14px}
.btn-outline-gold:hover{background:var(--gold);color:var(--white)}
.btn-sm{padding:12px 28px;font-size:14px}

/* ============================================================ CTA */
.cta-section{position:relative;background-image:url('images/cta-bg.png');background-size:cover;background-position:center;padding:clamp(64px,8vw,100px) 24px}
.cta-overlay{position:absolute;inset:0;background:linear-gradient(rgba(247,243,235,.82),rgba(237,229,212,.88))}
.cta-box{
  position:relative;background:var(--white);max-width:720px;margin:0 auto;
  padding:clamp(32px,5vw,56px) clamp(24px,4vw,48px);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);text-align:center;border:1px solid rgba(228,216,184,.7);
}
.cta-box h2{font-family:'Noto Serif JP',serif;font-size:clamp(19px,3vw,26px);color:var(--text);margin-bottom:12px;line-height:1.5}
.cta-box p{font-size:14.5px;color:var(--text-mid);margin-bottom:32px}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-brand-bar{
  position:relative;background:var(--gold-dark);padding:18px;text-align:center;
  font-family:'Noto Serif JP',serif;font-size:14px;color:#F1DE9F;letter-spacing:.22em;
}

/* ============================================================ FOOTER */
footer{background:var(--cream);border-top:1px solid var(--gold-pale);text-align:center;padding:44px 24px 36px}
.sns-links{display:flex;gap:14px;justify-content:center;margin-bottom:22px;flex-wrap:wrap}
.sns-links a{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-mid);
  border:1px solid var(--gold-pale);background:#fff;border-radius:999px;padding:10px 20px;
  transition:color .2s,border-color .2s,transform .18s,box-shadow .2s;font-weight:500;
}
.sns-links a .icon{width:17px;height:17px;color:var(--gold)}
.sns-links a:hover{color:var(--gold-dark);border-color:var(--gold);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
footer p{font-size:12px;color:var(--text-light)}
.footer-nav{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-bottom:20px}
.footer-nav a{font-size:13px;color:var(--text-mid);transition:color .2s}
.footer-nav a:hover{color:var(--gold-dark)}

/* ============================================================ COURSE DETAIL */
.breadcrumb{background:var(--cream-dark);padding:13px 24px;font-size:12.5px;color:var(--text-light)}
.breadcrumb a{color:var(--gold-dark);font-weight:500}
.breadcrumb a:hover{text-decoration:underline}
.course-hero{background:var(--gold-dark);color:var(--white);text-align:center;padding:60px 24px 48px}
.course-hero h1{font-family:'Noto Serif JP',serif;font-size:clamp(22px,4vw,32px);font-weight:700;margin-bottom:10px}
.course-hero p{font-size:14.5px;opacity:.9}
.intro-box{
  background:var(--cream);border:1px solid var(--gold-pale);border-left:4px solid var(--gold);
  padding:30px 34px;margin-bottom:34px;border-radius:0 var(--radius) var(--radius) 0;
}
.intro-box p{font-size:15px;line-height:2.05;color:var(--text)}
.point-list{list-style:none;display:grid;gap:12px;margin-bottom:28px}
.point-list li{
  background:var(--cream);border:1px solid var(--gold-pale);border-radius:var(--radius-sm);
  padding:14px 18px;font-size:14.5px;display:flex;gap:12px;align-items:flex-start;line-height:1.75;
}
.point-list li::before{
  content:'';flex-shrink:0;width:7px;height:7px;margin-top:9px;border-radius:2px;
  background:var(--gold);transform:rotate(45deg);
}
.support-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.support-item{
  background:var(--white);border:1px solid var(--gold-pale);border-radius:var(--radius);
  padding:17px 20px;display:flex;gap:12px;align-items:flex-start;font-size:14px;line-height:1.8;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;
}
.support-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.support-item::before{
  content:'';flex-shrink:0;width:20px;height:20px;margin-top:2px;border-radius:50%;
  background:var(--gold-pale) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235F5222' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
}
.faq-list{display:grid;gap:0}
.faq-item{border-bottom:1px solid var(--gold-pale)}
.faq-item summary{
  padding:18px 4px;font-weight:700;font-size:14.5px;cursor:pointer;list-style:none;
  display:flex;align-items:center;gap:12px;color:var(--text);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:'Q';background:var(--gold);color:var(--white);font-size:11.5px;font-weight:900;
  width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.faq-item summary::after{
  content:'';margin-left:auto;flex-shrink:0;width:16px;height:16px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238B7A3A' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") center/contain no-repeat;
  transition:transform .25s;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item summary:hover{color:var(--gold-dark)}
.faq-answer{padding:0 4px 20px 38px;font-size:14px;color:var(--text-mid);line-height:1.95}
.closing-quote{text-align:center;border-top:1px solid var(--gold-pale);padding-top:52px;margin-top:52px}
.closing-quote blockquote{font-family:'Noto Serif JP',serif;font-size:clamp(18px,3vw,26px);color:var(--gold-dark);font-weight:700;margin-bottom:14px;line-height:1.6}
.closing-quote p{font-size:14.5px;color:var(--text-mid);margin-bottom:32px;line-height:1.9}

/* ============================================================ RESPONSIVE */
@media(max-width:900px){
  .course-item{grid-template-columns:260px 1fr}
}
@media(max-width:720px){
  body{font-size:15.5px}
  nav{padding:0 20px}
  .hero-top{min-height:auto;padding:56px 0 52px;align-items:flex-end}
  .hero-top-content{max-width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .trust-inner{grid-template-columns:1fr;gap:0}
  .trust-item{padding:16px 8px}
  .trust-item+.trust-item::before{left:15%;right:15%;top:0;bottom:auto;width:auto;height:1px}
  .about-grid{grid-template-columns:1fr}
  .about-img-wrap{aspect-ratio:16/10}
  .course-item{grid-template-columns:1fr;gap:20px}
  .why-grid{grid-template-columns:1fr}
  .ev-item{padding:22px 20px}
  .nav-links{display:none;flex-direction:column;position:absolute;top:68px;left:0;right:0;background:var(--white);padding:20px 24px;box-shadow:0 8px 24px rgba(43,43,40,.1);gap:18px;align-items:stretch}
  .nav-links.open{display:flex}
  .nav-links a{font-size:15px}
  .nav-cta{text-align:center}
  .nav-toggle{display:block}
  .cta-btns{flex-direction:column;align-items:stretch}
  .intro-box{padding:24px 22px}
  .faq-answer{padding-left:4px}
}

/* ============================================================ MOTION / PRINT */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .btn:hover,.why-card:hover,.support-item:hover,.sns-links a:hover{transform:none}
  .course-item:hover .course-item-img img{transform:none}
}
@media print{
  nav,.hero-actions,.cta-btns,.sns-links{display:none}
  body{background:#fff}
}