/* FuMin Global — design system (deep blue / light gray) */
:root{
  --primary:#0B3A75; --primary-hover:#0E4792; --dark:#06214A;
  --bg:#F4F6FA; --card:#FFFFFF; --text:#1A2233; --muted:#5A6478; --border:#D9DFE8;
  --whatsapp:#25D366; --success:#1B8A5A; --warning:#D9822B; --error:#C93535; --info:#2D6FD8;
  --radius:8px; --radius-sm:6px;
  --shadow:0 1px 3px rgba(6,33,74,.08);
  --font:'Roboto','Noto Sans JP',system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-hover)}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--primary);color:#fff;padding:8px 16px;z-index:1000}
.skip-link:focus{left:0}

/* Top bar */
.topbar{background:var(--dark);color:#fff;font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:16px;min-height:36px;flex-wrap:wrap}
.topbar-link{color:#fff;opacity:.92}
.topbar-link:hover{color:#fff;opacity:1;text-decoration:underline}
.topbar-sep{width:1px;height:14px;background:rgba(255,255,255,.3)}
.topbar-right{margin-left:auto}
.lang-btn{background:transparent;border:1px solid rgba(255,255,255,.4);color:#fff;font-size:12.5px;padding:3px 10px;border-radius:999px;cursor:pointer;font-family:inherit}
.lang-btn:hover{background:rgba(255,255,255,.12)}

/* Header */
.site-header{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:900}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{font-size:18px;font-weight:700;color:var(--primary);white-space:nowrap}
.brand:hover{color:var(--primary)}
.main-nav{display:flex;gap:20px;margin-left:auto;align-items:center}
.main-nav a{font-size:14px;color:var(--text);position:relative;padding:6px 0}
.main-nav a:hover{color:var(--primary)}
.main-nav a.active{color:var(--primary)}
.main-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;font-family:inherit;font-size:15px;font-weight:500;border:none;border-radius:var(--radius-sm);padding:12px 26px;cursor:pointer;transition:background .15s ease}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);color:#fff}
.btn-outline{background:transparent;color:var(--primary);border:1px solid var(--primary)}
.btn-outline:hover{background:rgba(11,58,117,.06)}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-lg{padding:15px 32px;font-size:16px}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.hamburger span{width:24px;height:2px;background:var(--text);border-radius:2px}
.mobile-menu{background:var(--card);border-top:1px solid var(--border);padding:12px 24px 20px}
.mobile-menu a{display:block;padding:10px 0;font-size:15px;border-bottom:1px solid var(--bg)}
.mobile-menu a:last-child{border-bottom:none}

/* Layout helpers */
.section{padding:96px 0}
.section-alt{background:var(--card)}
.section-dark{background:var(--dark);color:#fff}
.section-sm{padding:48px 0}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--info);font-weight:500;margin-bottom:10px}
.section-dark .eyebrow{color:#9CC3F5}
.h1{font-size:48px;line-height:1.15;font-weight:700;letter-spacing:-.01em}
.h2{font-size:34px;line-height:1.2;font-weight:700;margin-bottom:16px}
.h3{font-size:24px;line-height:1.3;font-weight:700}
.h4{font-size:20px;line-height:1.35;font-weight:700}
.lead{font-size:18px;color:var(--muted)}
.section-dark .lead{color:#C9D6EA}
.section-head{max-width:760px;margin-bottom:40px}
.muted{color:var(--muted)}
.grid{display:grid;gap:24px}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g-6{grid-template-columns:repeat(6,minmax(0,1fr))}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px}
.card-cta{margin-top:20px}
.badge{display:inline-block;font-size:12.5px;padding:4px 12px;border-radius:999px;font-weight:500}
.badge-blue{background:#E9F0FC;color:var(--info)}
.badge-green{background:#E8F5EE;color:var(--success)}
.badge-amber{background:#FDF1E4;color:var(--warning)}
.badge-red{background:#FDEBEB;color:var(--error)}
.placeholder-img{border:1.5px dashed var(--border);border-radius:var(--radius);background:var(--bg);color:var(--muted);font-size:13px;display:flex;align-items:center;justify-content:center;text-align:center;padding:32px;min-height:160px;width:100%}

/* Hero */
.hero{background:var(--dark);color:#fff;padding:110px 0}
.hero .eyebrow{color:#9CC3F5}
.hero h1{color:#fff;max-width:820px}
.hero .lead{color:#C9D6EA;max-width:640px;margin:20px 0 32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-note{color:#8FA5C4;font-size:13px;margin-top:18px}

/* P3-4: hero carousel */
.hero-carousel{overflow:hidden;position:relative}
.hero-track{display:flex;transition:transform .6s ease}
.hero-slide{min-width:100%;padding:110px 0}
.hero-slide .container-inner{max-width:1200px;margin:0 auto;padding:0 24px}
.hero-dots{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);display:flex;gap:10px;z-index:3}
.hero-dot{width:10px;height:10px;border-radius:50%;border:1px solid rgba(255,255,255,.6);background:transparent;cursor:pointer;padding:0;transition:background .3s}
.hero-dot.active{background:#fff}
.hero-slide .eyebrow,.hero-slide h1,.hero-slide .lead,.hero-slide .hero-actions,.hero-slide .hero-note{max-width:820px;margin-left:auto;margin-right:auto}

/* Pain points / features */
.feature-icon{width:48px;height:48px;border-radius:10px;background:#E9F0FC;color:var(--info);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}

/* Steps */
.steps{display:grid;gap:16px;counter-reset:step}
.step{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}
.step::before{counter-increment:step;content:counter(step);flex:0 0 28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;font-size:14px;font-weight:500;display:flex;align-items:center;justify-content:center}

/* Forms */
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:500;margin-bottom:6px;color:var(--text)}
.input,select.input,textarea.input{width:100%;font-family:inherit;font-size:15px;padding:11px 13px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;color:var(--text)}
.input:focus{outline:2px solid rgba(11,58,117,.35);border-color:var(--primary)}
textarea.input{min-height:110px;resize:vertical}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{font-size:13px;color:var(--muted)}

/* Tables */
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:640px}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--border)}
th{background:var(--bg);font-weight:500;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
tr:last-child td{border-bottom:none}
td.num,th.num{text-align:right}

/* Accordion */
.acc-item{border:1px solid var(--border);border-radius:var(--radius);background:var(--card);margin-bottom:10px;overflow:hidden}
.acc-head{width:100%;text-align:left;background:none;border:none;font-family:inherit;font-size:16px;font-weight:500;padding:16px 18px;cursor:pointer;display:flex;justify-content:space-between;gap:12px;color:var(--text)}
.acc-head:hover{color:var(--primary)}
.acc-arrow{transition:transform .15s ease;color:var(--muted)}
.acc-item.open .acc-arrow{transform:rotate(180deg)}
.acc-body{display:none;padding:0 18px 16px;color:var(--muted);font-size:15px}
.acc-item.open .acc-body{display:block}

/* Tabs */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.tab-btn{border:1px solid var(--border);background:var(--card);border-radius:999px;padding:8px 16px;font-size:14px;cursor:pointer;font-family:inherit;color:var(--text)}
.tab-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}

/* Quote calculator */
.calc{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px}
.calc-result{background:var(--dark);color:#fff;border-radius:var(--radius);padding:24px;margin-top:20px}
.calc-result .total{font-size:34px;font-weight:700}
.calc-row{display:flex;justify-content:space-between;font-size:14.5px;padding:6px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.calc-row:last-child{border-bottom:none}
.draft-tag{display:inline-block;font-size:12px;background:#FDF1E4;color:var(--warning);border-radius:999px;padding:3px 10px;margin-left:8px;vertical-align:middle}

/* Contact page */
.contact-meta{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:16px}
.contact-meta p{font-size:15px;margin-bottom:8px}

/* Legal */
.legal-body{max-width:820px}
.legal-body h2{font-size:22px;margin:28px 0 10px}
.legal-body p,.legal-body li{color:var(--muted);margin-bottom:10px}
.legal-body ul{padding-left:22px}

/* Empty state */
.empty{padding:48px 24px;text-align:center;background:var(--card);border:1px dashed var(--border);border-radius:var(--radius);color:var(--muted)}

/* Price table groups (Module 5.1) */
.price-group{margin-bottom:28px}
.price-group-head{margin-bottom:10px}
.cur-switch{display:flex;align-items:center;gap:8px;margin:18px 0 6px}
.cur-switch span{font-size:13.5px;color:var(--muted);margin-right:4px}
.cur-switch .tab-btn{padding:6px 18px}

/* Cart (Module 5.3) */
.cart-item{display:flex;justify-content:space-between;gap:14px;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;margin-bottom:10px}

/* Member center (Module 9) */
.account-pane{min-height:120px}
.order-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;margin-bottom:12px}
.prog-bar{display:flex;gap:6px}
.prog-cell{flex:1;height:6px;border-radius:3px;background:var(--border)}
.prog-cell.done{background:var(--success)}
.order-list .order-card[data-cat]{display:block}

/* Footer */
.site-footer{background:var(--dark);color:#C9D6EA;padding:64px 0 24px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;margin-bottom:40px}
.footer-title{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:#8FA5C4;margin-bottom:14px}
.footer-name-en{font-weight:700;color:#fff;font-size:15px}
.footer-name-jp,.footer-name-zh{font-size:13.5px;margin-top:2px}
.footer-note{font-size:12.5px;color:#8FA5C4;margin-top:8px}
.footer-line{font-size:14px;margin-bottom:8px}
.footer-links a{display:block;color:#C9D6EA;font-size:14px;padding:4px 0}
.footer-links a:hover{color:#fff}
.footer-social-title{margin-top:20px}
.social-links a{font-size:14px;color:#C9D6EA}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#8FA5C4}
.footer-bottom-note{font-size:12px}

/* WhatsApp float */
.wa-float{position:fixed;right:22px;bottom:22px;width:58px;height:58px;border-radius:50%;background:var(--whatsapp);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(0,0,0,.22);z-index:950}
.wa-float:hover{transform:scale(1.05);background:#1fb959}

/* Cookie banner */
.cookie-banner{position:fixed;left:50%;transform:translateX(-50%);bottom:20px;max-width:640px;width:calc(100% - 40px);background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 30px rgba(6,33,74,.18);padding:18px 20px;display:flex;gap:16px;align-items:center;z-index:980;font-size:14px}
.cookie-banner p{flex:1}
.cookie-actions{display:flex;gap:10px;flex-shrink:0}

/* Toast */
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:110px;background:var(--text);color:#fff;padding:12px 20px;border-radius:8px;font-size:14px;z-index:999;opacity:0;transition:opacity .2s ease;pointer-events:none}
.toast.show{opacity:1}

/* Responsive */
@media (max-width:1024px){
  .g-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g-6{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .h1{font-size:36px}
  .h2{font-size:28px}
  .g-2,.g-3,.g-4,.g-6{grid-template-columns:1fr}
  .main-nav{display:none}
  .hamburger{display:flex}
  .header-actions .btn-primary{display:none}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cookie-banner{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .h1{font-size:30px}
  .section{padding:48px 0}
}