/* Kakuremi site — shared design system (Wa-Modern / Direction C).
   Used by /privacy/, /terms/, /guide/ (hub + articles). Mirrors the homepage look. */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Sans+JP:wght@400;500;700&family=Noto+Sans+SC:wght@400;500;700&display=swap');

:root{
  --page:#F4F5F8; --card:#FFFFFF; --tx:#1D1D1F; --tx2:#6E6E73; --tx3:#AEAEB2;
  --line:#E5E5EA; --blue:#3366FF; --blue-d:#2952CC; --green:#34C759; --green-d:#1B7A30;
  --soft:#EEF1FB;
  --r:22px; --r-sm:14px;
  --sh:0 10px 40px rgba(20,30,60,.08); --sh-lg:0 30px 80px rgba(20,30,60,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:'Inter','Noto Sans JP','Noto Sans SC',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--page);color:var(--tx);line-height:1.65;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.wrap{max-width:1160px;margin:0 auto;padding:0 28px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:600;font-size:16px;border-radius:100px;padding:15px 30px;border:1.5px solid transparent;cursor:pointer;transition:.2s ease;white-space:nowrap}
.btn-pri{background:var(--blue);color:#fff;box-shadow:0 8px 24px rgba(51,102,255,.3)}
.btn-pri:hover{background:var(--blue-d);transform:translateY(-2px);box-shadow:0 14px 34px rgba(51,102,255,.4)}
.btn-sm{padding:10px 20px;font-size:14px}

/* Header (matches homepage; fixed Download-button text white via specificity bump) */
header#hdr{position:fixed;inset:0 0 auto 0;height:70px;z-index:50;background:rgba(244,245,248,.85);backdrop-filter:blur(20px);border-bottom:1px solid var(--line)}
.hd{height:70px;display:flex;align-items:center;justify-content:space-between}
.hd-logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:.02em;color:var(--tx)}
.hd-logo img{width:34px;height:34px;border-radius:9px}
.hd-nav{display:flex;align-items:center;gap:30px}
.hd-nav a{font-size:15px;font-weight:500;color:var(--tx2)}
.hd-nav a:hover{color:var(--tx)}
.hd-nav a.btn-pri,.hd-nav a.btn-pri:hover{color:#fff}
.lang{display:flex;gap:3px;font-size:12px;color:var(--tx3);font-weight:600}
.lang a.on{color:var(--tx)}

/* Footer (matches homepage) */
footer{background:#fff;border-top:1px solid var(--line);padding:56px 28px 34px;margin-top:90px}
.ft{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;max-width:1160px;margin:0 auto}
.ft .lg{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.ft .lg img{width:30px;height:30px;border-radius:8px}
.ft .sub{color:var(--tx3);font-size:13.5px;margin-top:10px}
.ft h5{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--tx3);margin-bottom:14px;font-weight:700}
.ft a{display:block;color:var(--tx2);font-size:14.5px;padding:5px 0}
.ft a:hover{color:var(--blue)}
.ft-bot{max-width:1160px;margin:34px auto 0;padding-top:22px;border-top:1px solid var(--line);font-size:12.5px;color:var(--tx3);display:flex;justify-content:space-between;gap:16px}

/* ===== Legal pages (privacy / terms) ===== */
.policy-content{max-width:760px;margin:0 auto;padding:130px 28px 20px}
.policy-content h1{font-size:40px;font-weight:800;letter-spacing:-.03em;line-height:1.1;margin-bottom:8px}
.policy-content h2{font-size:22px;font-weight:700;letter-spacing:-.02em;margin-top:42px;margin-bottom:12px}
.policy-content p,.policy-content li{font-size:16px;line-height:1.8;color:var(--tx2)}
.policy-content p{margin-bottom:14px}
.policy-content strong{color:var(--tx);font-weight:600}
.policy-content ul{padding-left:1.3rem;margin-bottom:1.4rem}
.policy-content ul li{list-style:disc;margin-bottom:.5rem}
.policy-content a{color:var(--blue)}
.policy-content a:hover{text-decoration:underline}
.policy-date{font-size:14px;color:var(--tx3);margin-bottom:28px}
.policy-divider{border:none;border-top:1px solid var(--line);margin:48px 0}
.policy-callout{background:var(--soft);border-left:3px solid var(--blue);padding:16px 20px;margin:20px 0;border-radius:0 var(--r-sm) var(--r-sm) 0}
.policy-callout p{margin:0}
.policy-content h3{font-size:17px;font-weight:700;color:var(--tx);margin-top:26px;margin-bottom:6px}
.policy-content code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:var(--soft);padding:2px 6px;border-radius:6px;color:var(--tx)}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:22px 24px;margin:20px 0;box-shadow:var(--sh)}
.contact-card a{font-size:16px;font-weight:600;color:var(--blue)}

/* ===== Guide ===== */
.guide-page{padding-top:70px}
.guide-container{max-width:820px;margin:0 auto;padding:48px 28px 20px}
.breadcrumb{font-size:13.5px;color:var(--tx3);margin-bottom:26px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.breadcrumb a{color:var(--tx2)}
.breadcrumb a:hover{color:var(--blue)}
.breadcrumb .separator{color:var(--tx3)}
.guide-hero{margin-bottom:44px}
.guide-hero h1{font-size:42px;font-weight:800;letter-spacing:-.03em;line-height:1.08;margin-bottom:14px}
.guide-intro{font-size:18px;color:var(--tx2);line-height:1.6;max-width:680px}

/* hub grid */
.guide-hub-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.guide-hub-card{display:block;background:#fff;border-radius:var(--r);padding:28px;box-shadow:var(--sh);transition:.25s ease;border:1px solid transparent}
.guide-hub-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:var(--soft)}
.guide-hub-card-icon{width:50px;height:50px;border-radius:14px;background:var(--soft);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.guide-hub-card-icon svg{width:26px;height:26px;fill:none;stroke:var(--blue);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.guide-hub-card h3{font-size:19px;font-weight:700;margin-bottom:8px;color:var(--tx)}
.guide-hub-card p{font-size:14.5px;color:var(--tx2);line-height:1.6;margin-bottom:16px}
.guide-hub-link{font-size:14px;font-weight:600;color:var(--blue)}

/* article steps */
.guide-step{display:flex;gap:20px;margin-bottom:34px}
.guide-step-number{flex-shrink:0;width:38px;height:38px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:16px}
.guide-step-content{flex:1;min-width:0}
.guide-step-content h2{font-size:22px;font-weight:700;letter-spacing:-.02em;margin-bottom:8px}
.guide-step-content p{font-size:16px;color:var(--tx2);line-height:1.7;margin-bottom:14px}
.guide-screenshot{max-width:296px;border-radius:var(--r-sm);overflow:hidden;background:#fff;box-shadow:var(--sh);border:1px solid var(--line);margin-top:8px}
.guide-screenshot img{width:100%}
.guide-screenshot-placeholder{padding:40px;text-align:center;color:var(--tx3);font-size:14px}
.guide-warning,.guide-tip{border-radius:var(--r-sm);padding:16px 20px;margin:24px 0;font-size:15px;line-height:1.65}
.guide-warning{background:#FFF7ED;border-left:3px solid #F59E0B;color:#7C2D12}
.guide-warning strong{color:#7C2D12}
.guide-tip{background:var(--soft);border-left:3px solid var(--blue);color:var(--tx2)}
.guide-tip strong{color:var(--blue-d)}
.guide-nav{display:flex;justify-content:space-between;gap:16px;margin-top:48px;padding-top:28px;border-top:1px solid var(--line);font-size:15px;font-weight:600}
.guide-nav a{color:var(--blue)}
.guide-nav a:hover{color:var(--blue-d)}
.guide-nav-prev{margin-right:auto}
.guide-nav-next{margin-left:auto;text-align:right}

/* hub section headers */
.guide-section{margin-bottom:40px}
.guide-section-title{font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--tx3);margin:0 0 16px}

@media(max-width:920px){
  .hd-nav{display:none}
  .ft{grid-template-columns:1fr}
  .guide-hub-grid{grid-template-columns:1fr}
  .policy-content{padding-top:110px}
  .policy-content h1,.guide-hero h1{font-size:32px}
  .guide-step{gap:14px}
}