/* dualform — shared design system (v2 / michikusa-informed refresh)
   BRAND.md準拠: navy #1A1A2E / blue #1C69D4 / 小文字dualform / 誇張しない
   全ページ共通。ページ固有の調整は各HTML内 <style> で最小限に上書きする。 */

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

:root{
  --navy:#1A1A2E; --blue:#1C69D4; --blue-soft:#E8F0FC;
  --ink:#222233; --muted:#666688; --faint:#8A8AA8; --border:#E2E6F0;
  --bg:#FFFFFF; --bg2:#F4F6FA; --card:#FFFFFF;
  --maxw:1120px; --maxw-doc:760px;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"Noto Sans JP","Hiragino Sans","Inter",system-ui,sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.7;
  -webkit-font-smoothing:antialiased; font-feature-settings:"palt";
}
a{color:var(--blue); text-decoration:none;}
a:hover{text-decoration:underline;}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 32px;}
.wrap-doc{max-width:var(--maxw-doc); margin:0 auto; padding:0 24px;}

/* ---- nav ---- */
nav.site-nav{
  position:sticky; top:0; z-index:50; background:rgba(255,255,255,.82);
  backdrop-filter:saturate(1.4) blur(12px); border-bottom:1px solid var(--border);
}
.nav-in{display:flex; align-items:center; justify-content:space-between; height:72px;}
.brand{display:flex; align-items:center; gap:10px; text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand img{height:22px; display:block;}
.nav-links{display:flex; align-items:center; gap:34px;}
.nav-links a{color:var(--ink); text-decoration:none; font-size:14.5px; font-weight:500; opacity:.82;}
.nav-links a:hover{opacity:1; text-decoration:none;}
.nav-cta{
  background:var(--navy); color:#fff !important; padding:11px 20px; border-radius:10px;
  font-size:14px; font-weight:700; opacity:1 !important;
}
.back-link{font-size:14px; color:var(--muted); text-decoration:none;}
.back-link:hover{color:var(--blue); text-decoration:none;}
@media(max-width:760px){ .nav-links a:not(.nav-cta){display:none;} }

/* ---- headings / type scale ---- */
.eyebrow{
  display:inline-block; color:var(--blue); font-size:13px; font-weight:700;
  letter-spacing:.14em; text-transform:uppercase; margin-bottom:22px;
}
h1{
  font-size:clamp(40px,5.4vw,68px); line-height:1.14; font-weight:900;
  letter-spacing:-.03em; color:var(--navy); margin-bottom:24px;
}
h1 .accent{color:var(--blue);}
.sec-eyebrow{color:var(--blue); font-size:12.5px; font-weight:700; letter-spacing:.16em; text-transform:uppercase;}
.sec-title{font-size:clamp(28px,3.2vw,38px); font-weight:900; letter-spacing:-.03em; color:var(--navy); margin:12px 0 14px; line-height:1.25;}
.sec-sub{font-size:16.5px; color:var(--muted); max-width:42em;}
.lede{font-size:17px; font-weight:500; color:var(--muted); max-width:26em; margin-bottom:36px;}

/* ---- buttons ---- */
.cta-row{display:flex; gap:12px; flex-wrap:wrap;}
.btn{
  display:inline-flex; align-items:center; gap:9px; padding:15px 26px;
  border-radius:12px; font-size:15.5px; font-weight:700; text-decoration:none; border:1.5px solid transparent;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--blue); color:#fff !important; box-shadow:0 8px 22px -8px rgba(28,105,212,.55);}
.btn-navy{background:var(--navy); color:#fff !important;}
.btn svg{width:18px; height:18px;}

/* ---- sections ---- */
section.block{padding:96px 0; border-top:1px solid var(--border);}
section.block.alt{background:var(--bg2);}
.grid2{display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-top:48px;}
.grid3{display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:48px;}
.grid4{display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin-top:48px;}
@media(max-width:860px){ .grid2,.grid3,.grid4{grid-template-columns:1fr;} }
@media(min-width:861px) and (max-width:1080px){ .grid4{grid-template-columns:1fr 1fr;} }

.card{background:var(--card); border:1px solid var(--border); border-radius:18px; padding:34px 32px;}
.card .tag{display:inline-block; font-size:12px; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--blue); margin-bottom:14px;}
.card h3{font-size:21px; font-weight:900; color:var(--navy); margin-bottom:10px; letter-spacing:-.015em;}
.card p{font-size:15px; color:var(--muted);}
.card .bar{width:38px; height:4px; border-radius:3px; background:var(--blue); margin-bottom:22px;}

.wcard{background:var(--card); border:1px solid var(--border); border-radius:16px; padding:28px 26px;}
.wcard .glyph{width:38px; height:38px; margin-bottom:20px;}
.wcard h4{font-size:16.5px; font-weight:900; color:var(--navy); margin-bottom:7px; letter-spacing:-.01em;}
.wcard p{font-size:14px; color:var(--muted); line-height:1.65;}
.wcard .plat{display:block; font-size:12px; color:var(--faint); margin-top:10px; font-weight:600;}

/* service price cards */
.svc-card{background:var(--card); border:1px solid var(--border); border-radius:16px; padding:28px 26px;}
.svc-card h3{font-size:18px; font-weight:900; color:var(--navy); letter-spacing:-.01em;}
.svc-card .price{color:var(--blue); font-weight:900; font-size:23px; margin:12px 0 4px;}
.svc-card .term{color:var(--faint); font-size:13px; margin-bottom:14px;}
.svc-card p{color:var(--muted); font-size:14.5px;}
.note{color:var(--faint); font-size:13px; margin-top:20px;}

/* chips */
.chips{display:flex; flex-wrap:wrap; gap:10px;}
.chip{border:1px solid var(--border); border-radius:24px; padding:8px 16px; font-size:14px; color:var(--ink); background:var(--card);}
.chip.flag{background:var(--navy); color:#fff; border-color:var(--navy); font-weight:700;}

/* why grid */
.why-item h3{font-size:17px; font-weight:900; color:var(--navy); margin-bottom:8px; display:flex; align-items:center; gap:8px; letter-spacing:-.01em;}
.why-item h3::before{content:""; width:8px; height:8px; background:var(--blue); border-radius:2px; display:inline-block; flex:none;}
.why-item p{color:var(--muted); font-size:14.5px;}

/* company / contact */
.company{display:grid; grid-template-columns:1.2fr 1fr; gap:40px; align-items:start;}
@media(max-width:760px){ .company{grid-template-columns:1fr;} }
.info dl{display:grid; grid-template-columns:120px 1fr; row-gap:14px; column-gap:16px; font-size:14.5px;}
.info dt{color:var(--faint);}
.info dd{color:var(--ink);}
.contact-card{background:var(--navy); color:#fff; border-radius:18px; padding:36px;}
.contact-card h3{font-size:21px; font-weight:900; margin-bottom:10px; letter-spacing:-.01em;}
.contact-card p{color:#C4C6DA; font-size:14.5px; margin-bottom:22px;}
.contact-card a.btn{background:#fff; color:var(--navy) !important;}
.contact-card .mail{display:block; margin-top:16px; color:#8FB6F0; font-size:15px; text-decoration:none;}
.contact-card .mail:hover{text-decoration:underline;}

/* closing cta */
.cta-block{padding:104px 0; text-align:center;}
.cta-block .sec-eyebrow{display:block; margin-bottom:6px;}
.cta-block h2{font-size:clamp(28px,3.4vw,40px); font-weight:900; color:var(--navy); letter-spacing:-.03em; margin-bottom:16px;}
.cta-block p{font-size:16.5px; color:var(--muted); margin-bottom:34px;}
.cta-block .cta-row{justify-content:center;}

/* footer */
footer{border-top:1px solid var(--border); padding:36px 0;}
.foot-in{display:flex; align-items:center; justify-content:space-between; font-size:13px; color:var(--muted); flex-wrap:wrap; gap:14px;}
.foot-brand{display:flex; align-items:center; gap:8px;}
.foot-brand img{height:22px; opacity:.9;}
.foot-links{display:flex; gap:18px; flex-wrap:wrap; align-items:center;}
.foot-links a{color:var(--faint); font-size:13px;}
.foot-links a:hover{color:var(--blue);}

/* ---- hero: the dualform mark, assembling ---- */
.hero-art{display:flex; justify-content:center; align-items:center;}
.hero-mark{width:100%; max-width:420px; height:auto; filter:drop-shadow(0 28px 46px rgba(26,26,46,.16));}
.lg-t1,.lg-t2,.lg-edge{transform-box:fill-box;}
@media (prefers-reduced-motion: no-preference){
  .lg-t1{opacity:0; transform:translate(-26px,-26px); animation:asm .72s cubic-bezier(.2,.75,.25,1) .15s forwards;}
  .lg-t2{opacity:0; transform:translate(26px,26px);  animation:asm .72s cubic-bezier(.2,.75,.25,1) .34s forwards;}
  .lg-edge{opacity:0; transform-origin:100% 0%; transform:scale(.03); animation:edge .62s cubic-bezier(.3,.7,.2,1) 1.0s forwards;}
}
@keyframes asm{to{opacity:1; transform:translate(0,0);}}
@keyframes edge{0%{opacity:0; transform:scale(.03);} 25%{opacity:1;} 100%{opacity:1; transform:scale(1);}}

/* ---- document pages (privacy / terms / tokushoho) ---- */
main.doc{padding:56px 0 80px;}
main.doc h1{font-size:30px; font-weight:900; letter-spacing:-.02em; margin-bottom:8px;}
main.doc .updated{color:var(--faint); font-size:13px; margin-bottom:32px;}
main.doc .lead{color:var(--muted); font-size:15px; margin-bottom:8px;}
main.doc h2{font-size:18px; color:var(--navy); font-weight:800; margin:30px 0 10px;}
main.doc p,main.doc li{color:var(--ink); font-size:15px;}
main.doc ul,main.doc ol{margin:8px 0 8px 22px;}
main.doc li{margin:4px 0;}
main.doc .placeholder{color:#b06b00; background:#fff7e6; padding:0 4px; border-radius:3px; font-size:13px;}
main.doc table{width:100%; border-collapse:collapse; font-size:15px; margin-top:8px;}
main.doc th,main.doc td{text-align:left; vertical-align:top; padding:14px 12px; border-bottom:1px solid var(--border);}
main.doc th{width:190px; color:var(--navy); font-weight:700; background:var(--bg2);}
@media(max-width:560px){ main.doc th,main.doc td{display:block; width:100%;} main.doc th{border-bottom:none; padding-bottom:2px;} main.doc td{padding-top:2px;} }
.doc-nav{border-bottom:1px solid var(--border);}
.doc-nav .nav-in{height:60px;}

/* ---- product detail pages ---- */
.product-hero{padding:64px 0 40px;}
.product-hero .platform{color:var(--faint); font-size:13px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; margin:18px 0 8px;}
.product-hero h1{font-size:clamp(30px,4vw,44px);}
.product-hero .tagline{color:var(--muted); font-size:17px; margin-top:6px;}
.badge-row{margin-top:18px;}
.tag-soon{display:inline-flex; align-items:center; gap:7px; background:var(--bg2); border:1px solid var(--border); color:var(--navy); font-size:13px; font-weight:700; padding:7px 14px; border-radius:20px;}
.tag-soon .dot{width:7px; height:7px; border-radius:50%; background:var(--blue);}
.coming-banner{background:var(--blue-soft); color:var(--navy); border-radius:12px; padding:16px 20px; font-size:14.5px; margin-bottom:36px;}
.product-body h3{font-size:18px; font-weight:900; color:var(--navy); margin:30px 0 10px; letter-spacing:-.01em;}
.product-body p{color:var(--ink); font-size:15px;}
.product-body ul{margin:8px 0 8px 22px; color:var(--ink); font-size:15px;}
.product-body li{margin:5px 0;}

/* ---- product LP: terminal / code block ---- */
.term{background:var(--navy); border-radius:14px; padding:22px 24px; margin:20px 0; overflow-x:auto;}
.term .term-line{font-family:"SFMono-Regular",Menlo,Consolas,monospace; font-size:13.5px; line-height:1.8; color:#D6DBEE; white-space:pre-wrap;}
.term .term-prompt{color:#6FE3A6;}
.term .term-ok{color:#6FE3A6;}
.term .term-fail{color:#FF8B7A;}
.term .term-high{color:#FFC369; font-weight:700;}
.term .term-dim{color:#8A8FB0;}
.code-inline{background:var(--bg2); border:1px solid var(--border); border-radius:6px; padding:2px 8px; font-family:"SFMono-Regular",Menlo,Consolas,monospace; font-size:13.5px; color:var(--navy);}
.copy-cmd{display:flex; align-items:center; gap:0; background:var(--navy); border-radius:12px; overflow:hidden; margin:24px 0; max-width:520px;}
.copy-cmd .cmd{flex:1; padding:15px 20px; font-family:"SFMono-Regular",Menlo,Consolas,monospace; font-size:14.5px; color:#fff;}
.copy-cmd .cmd .p{color:var(--blue-soft); opacity:.7; margin-right:2px;}

/* ---- product LP: metrics grid ---- */
.metrics-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin-top:44px;}
.metrics-grid.cols-5{grid-template-columns:repeat(5,1fr);}
@media(max-width:920px){ .metrics-grid,.metrics-grid.cols-5{grid-template-columns:1fr 1fr;} }
@media(max-width:560px){ .metrics-grid,.metrics-grid.cols-5{grid-template-columns:1fr;} }
.metric-card{background:var(--card); border:1px solid var(--border); border-radius:16px; padding:26px 24px;}
.metric-card .num{font-size:30px; font-weight:900; color:var(--blue); letter-spacing:-.02em; line-height:1.1;}
.metric-card .label{font-size:13px; font-weight:700; color:var(--navy); margin-top:8px;}
.metric-card .sub{font-size:12.5px; color:var(--muted); margin-top:6px; line-height:1.5;}

/* ---- product LP: data table (benchmarks / comparisons) ---- */
.data-table-wrap{overflow-x:auto; margin:28px 0;}
table.data-table{width:100%; border-collapse:collapse; font-size:14px; min-width:560px;}
table.data-table th{background:var(--navy); color:#fff; text-align:left; padding:12px 14px; font-weight:700; font-size:13px;}
table.data-table td{border-bottom:1px solid var(--border); padding:12px 14px; color:var(--ink);}
table.data-table tr:nth-child(even) td{background:var(--bg2);}
table.data-table td.win{color:var(--blue); font-weight:800;}
table.data-table td.num-col,table.data-table th.num-col{text-align:right; font-variant-numeric:tabular-nums;}

/* ---- product LP: numbered steps / flow ---- */
.flow-steps{display:flex; flex-direction:column; gap:0; margin:32px 0;}
.flow-step{display:grid; grid-template-columns:44px 1fr; gap:18px; padding:20px 0; border-bottom:1px solid var(--border);}
.flow-step:last-child{border-bottom:none;}
.flow-step .n{width:34px; height:34px; border-radius:50%; background:var(--navy); color:#fff; font-weight:800; font-size:14px; display:flex; align-items:center; justify-content:center;}
.flow-step h4{font-size:15.5px; font-weight:900; color:var(--navy); margin-bottom:6px;}
.flow-step p{font-size:14.5px; color:var(--muted); line-height:1.7;}

/* ---- product LP: before/after or tier comparison ---- */
.compare-table{width:100%; border-collapse:collapse; margin:28px 0; font-size:14.5px;}
.compare-table th{text-align:left; padding:12px 14px; color:var(--navy); font-weight:800; border-bottom:2px solid var(--navy); font-size:13px;}
.compare-table td{padding:14px; border-bottom:1px solid var(--border); color:var(--ink); vertical-align:top;}
.compare-table td.neg{color:var(--muted);}
.compare-table td.pos{color:var(--navy); font-weight:600;}

/* ---- product LP: discipline / principle list ---- */
.principles{display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-top:40px;}
@media(max-width:760px){ .principles{grid-template-columns:1fr;} }
.principle{padding:24px 0; border-top:1px solid var(--border);}
.principle .pn{color:var(--blue); font-size:12px; font-weight:800; letter-spacing:.08em;}
.principle h4{font-size:16.5px; font-weight:900; color:var(--navy); margin:8px 0 8px;}
.principle p{font-size:14.5px; color:var(--muted); line-height:1.7;}

/* ---- product LP: honest caveat callout ---- */
.callout{background:var(--bg2); border-left:4px solid var(--blue); border-radius:0 12px 12px 0; padding:20px 24px; margin:28px 0; font-size:14.5px; color:var(--ink); line-height:1.75;}

/* ---- coming soon page ---- */
.cs-hero{padding:140px 0 160px; text-align:center;}
.cs-hero .hero-mark{margin:0 auto 44px;}
.cs-badge{display:inline-flex; align-items:center; gap:8px; background:var(--bg2); border:1px solid var(--border);
  color:var(--navy); font-size:13px; font-weight:700; padding:8px 16px; border-radius:20px; margin-bottom:28px;}
.cs-badge .dot{width:7px; height:7px; border-radius:50%; background:var(--blue); animation:csdot 1.8s ease-in-out infinite;}
@keyframes csdot{0%,100%{opacity:1;} 50%{opacity:.35;}}
.cs-hero h1{font-size:clamp(36px,5vw,58px);}
.cs-hero .lede{margin:0 auto 36px; text-align:center;}
.cs-hero .cta-row{justify-content:center;}