/* =========================================================
   AIマッチ — Common styles (shared by every page)
   ---------------------------------------------------------
   1. Tokens        2. Base          3. Utilities
   4. Buttons       5. Header        6. Section helpers
   7. Components    8. CTA           9. Footer
   10. Back to top  11. Motion       12. Responsive
   ========================================================= */

/* ---------- 1. Tokens ---------- */
:root{
  /* color */
  --ink:#0A1228; --ink-2:#13203F; --ink-3:#223259;
  --paper:#F4F8FD; --surface:#FFFFFF;
  --line:#E2E8F3; --line-2:#CFD8E8;
  --text:#0A1228; --muted:#4B5875; --muted-2:#74829F;
  --brand:#1F5FFF; --brand-600:#1748D8; --brand-50:#EBF2FF; --brand-100:#CFE0FF;
  --sky:#3D8BFF; --cyan:#22C3EE;
  --mint:#14D3A9; --mint-600:#0E9F7F; --mint-50:#E3FAF3;
  --on-dark:#A6B6D3; --on-dark-2:#7B8DB1;
  --grad:linear-gradient(110deg,#1F5FFF 0%,#3D8BFF 38%,#22C3EE 72%,#14D3A9 100%);
  --grad-soft:linear-gradient(135deg,#EBF2FF 0%,#E8F7FF 55%,#E3FAF3 100%);

  /* type — base 15px, everything in rem */
  --font:"Plus Jakarta Sans","Noto Sans JP",system-ui,-apple-system,"Hiragino Sans",sans-serif;
  --jp:"Noto Sans JP","Hiragino Sans",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --fs-xs:.75rem;     /* 12px — tags, meta */
  --fs-sm:.8125rem;   /* 13px — secondary text */
  --fs-base:.9375rem; /* 15px — body */
  --fs-md:1rem;       /* 16px — lead, card titles */
  --fs-lg:1.125rem;   /* 18px */
  --fs-xl:1.25rem;    /* 20px */
  --fs-2xl:clamp(1.5rem,1.15rem + 1.4vw,2.125rem);  /* 24 → 34px — section titles */
  --fs-3xl:clamp(1.75rem,1.1rem + 2.6vw,2.75rem);   /* 28 → 44px — page title */

  /* shape & depth */
  --radius:22px; --radius-sm:14px; --radius-lg:28px;
  --shadow-sm:0 1px 2px rgba(10,18,40,.06),0 1px 1px rgba(10,18,40,.03);
  --shadow:0 12px 32px -14px rgba(10,18,40,.20),0 2px 6px rgba(10,18,40,.04);
  --shadow-lg:0 32px 64px -24px rgba(20,60,170,.30),0 10px 24px -12px rgba(10,18,40,.14);

  /* layout */
  --container:1200px;
  --gutter:32px;
  --header-h:76px;      /* header height at the top of the page */
  --header-h-sm:64px;   /* header height after scrolling */
  --ease:cubic-bezier(.2,.8,.2,1);
}

/* ---------- 2. Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{font-size:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h-sm) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:var(--fs-base);line-height:1.75;color:var(--text);background:var(--paper);letter-spacing:.02em;font-feature-settings:"palt" 1;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
input,select,textarea{font:inherit;font-size:var(--fs-base);color:inherit}
h1,h2,h3,h4{line-height:1.4;word-break:auto-phrase}
address{font-style:normal}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}
svg.lucide{width:1.15em;height:1.15em;flex-shrink:0}
main{display:block;padding-top:var(--header-h)}   /* offset for the fixed header */
main:focus{outline:none}

/* grain overlay */
body::after{content:"";position:fixed;inset:0;z-index:100;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- 3. Utilities ---------- */
.container{width:100%;max-width:calc(var(--container) + var(--gutter) * 2);margin:0 auto;padding:0 var(--gutter)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;left:16px;top:12px;z-index:200;padding:10px 18px;border-radius:12px;background:var(--ink);color:#fff;font-size:var(--fs-sm);font-weight:700;transform:translateY(-160%);transition:transform .25s var(--ease)}
.skip-link:focus{transform:none}
.grad-text{background:var(--grad);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 9s linear infinite}
mark.ph{background:var(--brand-50);color:var(--brand);border-radius:5px;padding:0 3px;font-weight:700}
.ico{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex-shrink:0}
.ico svg.lucide{width:18px;height:18px}
.ico.brand{background:var(--brand-50);color:var(--brand)}
.ico.mint{background:var(--mint-50);color:var(--mint-600)}
.tag{display:inline-block;padding:2px 9px;border-radius:999px;background:var(--brand-50);color:var(--brand);font-size:var(--fs-xs);font-weight:700;letter-spacing:.02em}
.v-ava{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;color:#fff;font-size:var(--fs-base);font-weight:800;background:var(--grad)}
.v-ava.alt{background:linear-gradient(135deg,#13203F,#1F5FFF)}

/* ---------- 4. Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:999px;border:1px solid transparent;font-size:var(--fs-base);font-weight:700;letter-spacing:.03em;white-space:nowrap;transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s,border-color .3s,color .3s}
.btn svg.lucide{width:18px;height:18px;transition:transform .3s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn:hover svg.lucide{transform:translateX(3px)}
.btn-sm{height:40px;padding:0 18px;font-size:var(--fs-sm)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -8px rgba(31,95,255,.65),inset 0 1px 0 rgba(255,255,255,.22)}
.btn-primary:hover{background:var(--brand-600);box-shadow:0 14px 28px -10px rgba(31,95,255,.75),inset 0 1px 0 rgba(255,255,255,.22)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:0 10px 22px -10px rgba(10,18,40,.6)}
.btn-dark:hover{background:var(--ink-2)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-grad{background:var(--grad);background-size:160% auto;color:#fff;box-shadow:0 12px 28px -10px rgba(31,95,255,.7)}
.btn-grad:hover{background-position:100% 0}
.btn-white{background:#fff;color:var(--ink);box-shadow:0 12px 28px -12px rgba(0,0,0,.45)}
.btn-outline-light{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:var(--fs-base);font-weight:700;color:var(--brand)}
.link-arrow svg.lucide{transition:transform .3s var(--ease)}
.link-arrow:hover svg.lucide{transform:translateX(4px)}

/* ---------- 5. Header (fixed) ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;border-bottom:1px solid transparent;transition:background .35s,border-color .35s,box-shadow .35s}
.site-header.scrolled,.site-header.menu-open{background:rgba(244,248,253,.82);-webkit-backdrop-filter:saturate(180%) blur(16px);backdrop-filter:saturate(180%) blur(16px);border-bottom-color:rgba(10,18,40,.07);box-shadow:0 8px 24px -18px rgba(10,18,40,.25)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--header-h);transition:height .35s var(--ease)}
.site-header.scrolled .header-inner{height:var(--header-h-sm)}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--jp);font-size:var(--fs-lg);font-weight:900;letter-spacing:.04em}
.logo-mark{width:auto;height:36px;filter:drop-shadow(0 6px 12px rgba(31,95,255,.35))}
.nav{display:flex;gap:4px;padding:5px;border-radius:999px;background:rgba(255,255,255,.7);border:1px solid rgba(10,18,40,.06);box-shadow:var(--shadow-sm)}
.nav-link{display:block;padding:8px 18px;border-radius:999px;font-size:var(--fs-base);font-weight:500;color:var(--muted);transition:color .25s,background .25s,box-shadow .25s}
.nav-link:hover,.nav-link.is-active,.has-mega:hover>.nav-link,.has-mega:focus-within>.nav-link{color:var(--ink);background:#fff;box-shadow:var(--shadow-sm)}
.nav-link.is-active{color:var(--brand)}
/* 導入事例: hover / keyboard-focus dropdown listing every industry & department page */
.nav-item{position:relative;display:flex;align-items:center}
.has-mega>.nav-link{padding-right:32px}
.nav-chev{position:absolute;right:13px;top:50%;width:14px;height:14px;margin-top:-7px;color:var(--muted-2);pointer-events:none;transition:transform .3s var(--ease),color .3s}
.has-mega:hover .nav-chev,.has-mega:focus-within .nav-chev{transform:rotate(180deg);color:var(--brand)}
.mega{position:absolute;z-index:60;top:100%;left:50%;width:640px;padding-top:14px;opacity:0;visibility:hidden;transform:translate(-50%,8px);transition:opacity .25s var(--ease),transform .25s var(--ease),visibility 0s linear .25s}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translate(-50%,0);transition-delay:0s}
.mega-inner{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 28px;padding:22px 22px 18px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-lg)}
.mega-title{display:flex;align-items:center;gap:8px;margin:0 0 8px;padding:0 10px;font-size:var(--fs-xs);font-weight:700;letter-spacing:.08em;color:var(--muted-2)}
.mega-title svg.lucide{width:15px;height:15px;color:var(--brand)}
.mega-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px}
.mega-list a{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:10px;font-size:var(--fs-sm);font-weight:500;color:var(--ink-2);white-space:nowrap;transition:background .2s,color .2s}
.mega-list a:hover,.mega-list a[aria-current]{background:var(--brand-50);color:var(--brand)}
.mega-list a[aria-current]{font-weight:700}
.mega-list svg.lucide{width:16px;height:16px;color:var(--brand);opacity:.8}
.mega-foot{grid-column:1 / -1;display:flex;justify-content:flex-end;margin-top:10px;padding:12px 10px 0;border-top:1px solid var(--line)}
.mega-foot .link-arrow{font-size:var(--fs-sm)}
/* hover: JP label rolls out, EN label rolls in (markup built by main.js from data-en) */
.roll{display:inline-grid;overflow:hidden;vertical-align:top;line-height:1.6}
.roll>span{grid-area:1 / 1;display:flex;justify-content:center;white-space:nowrap}
.roll .ch{display:inline-block;transition:transform .5s var(--ease),opacity .4s var(--ease);transition-delay:calc(var(--i) * 22ms)}
.roll-en{font-family:"Plus Jakarta Sans",sans-serif;font-weight:600;letter-spacing:.01em}
.roll-en .ch{transform:translateY(105%);opacity:0}
.nav-link:hover .roll-jp .ch,.nav-link:focus-visible .roll-jp .ch{transform:translateY(-105%);opacity:0}
.nav-link:hover .roll-en .ch,.nav-link:focus-visible .roll-en .ch{transform:none;opacity:1}
.header-cta{display:flex;align-items:center;gap:10px}
.menu-toggle{display:none;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:#fff;flex-direction:column;align-items:center;justify-content:center}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .3s var(--ease)}
.menu-toggle span+span{margin-top:5px}
.menu-open .menu-toggle span:first-child{transform:translateY(3.5px) rotate(45deg)}
.menu-open .menu-toggle span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
.site-header.menu-open{background:rgba(244,248,253,.92);border-bottom-color:var(--line);box-shadow:none}

/* full-screen mobile menu (sibling of the header, shown ≤860px) */
.mobile-menu{display:none}
.mm-inner{display:flex;flex-direction:column;gap:22px}
.mm-group{padding:18px 0;border-bottom:1px solid var(--line)}
.mm-main{display:flex;align-items:center;gap:14px}
.mm-num{width:24px;font-family:var(--mono);font-size:var(--fs-xs);font-weight:700;color:var(--brand)}
.mm-title{flex:1;display:flex;flex-direction:column;font-family:var(--jp);font-size:var(--fs-xl);font-weight:900;line-height:1.35}
.mm-title small{font-family:var(--font);font-size:var(--fs-xs);font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
.mm-main>svg.lucide{width:22px;height:22px;color:var(--muted);transition:transform .3s var(--ease),color .3s}
.mm-main:hover>svg.lucide,.mm-main.is-active>svg.lucide{color:var(--brand);transform:translate(2px,-2px)}
.mm-main.is-active .mm-title{color:var(--brand)}
.mm-sub{list-style:none;margin:12px 0 0 38px;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.mm-sub a{display:inline-flex;align-items:center;padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:var(--fs-sm);font-weight:500;color:var(--ink-2);transition:border-color .25s,color .25s}
.mm-sub a:hover{border-color:var(--brand);color:var(--brand)}
.mm-sub-title{margin:16px 0 0 38px;font-size:var(--fs-xs);font-weight:700;letter-spacing:.08em;color:var(--muted-2)}
.mm-sub-title+.mm-sub{margin-top:8px}
.mm-banner{position:relative;overflow:hidden;isolation:isolate;display:flex;align-items:center;gap:14px;padding:20px;border-radius:var(--radius);color:#fff;background:linear-gradient(120deg,#1238C4 0%,#1F5FFF 50%,#2F7BFF 100%);box-shadow:0 24px 48px -20px rgba(18,56,196,.6)}
.mm-banner::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(to right,rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(to bottom,rgba(255,255,255,.08) 1px,transparent 1px);background-size:28px 28px}
.mm-banner::after{content:"";position:absolute;z-index:-1;width:220px;height:220px;right:-80px;top:-110px;border-radius:50%;background:#14D3A9;filter:blur(50px);opacity:.55}
.mm-banner .ico{width:50px;height:50px;border-radius:15px;background:rgba(255,255,255,.14);color:#fff}
.mm-banner .ico svg.lucide{width:22px;height:22px}
.mm-banner-text{flex:1;min-width:0;display:flex;flex-direction:column}
.mm-banner-text small{font-size:var(--fs-xs);font-weight:700;letter-spacing:.08em;color:#CFE0FF}
.mm-banner-text b{font-size:var(--fs-md);line-height:1.45}
.mm-banner-text>span{font-size:var(--fs-sm);line-height:1.6;color:rgba(255,255,255,.82)}
.mm-banner-arrow{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;background:#fff;color:var(--ink);transition:transform .3s var(--ease)}
.mm-banner:hover .mm-banner-arrow{transform:translateX(3px)}
.mm-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:var(--fs-sm);color:var(--muted)}
.mm-foot a.tel{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--ink-2)}
.mm-foot a.tel svg.lucide{color:var(--brand)}
.mm-item{opacity:0;translate:0 18px;transition:opacity .45s var(--ease),translate .45s var(--ease)}
html.menu-open .mm-item{opacity:1;translate:0 0;transition-delay:calc(.15s + var(--i,0) * 60ms)}
html.menu-open{overflow:hidden}
html.menu-open .to-top{opacity:0;visibility:hidden}

/* ---------- 6. Section helpers ---------- */
.section{position:relative;padding:96px 0}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:var(--fs-xs);font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--brand)}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 4px rgba(31,95,255,.13)}
.eyebrow .jp{font-family:var(--jp);letter-spacing:.06em;text-transform:none;color:var(--muted)}
.h2{font-family:var(--jp);font-size:var(--fs-2xl);line-height:1.38;font-weight:900;letter-spacing:.01em;margin:14px 0}
.lead{margin:0;font-size:var(--fs-md);line-height:1.8;color:var(--muted);word-break:auto-phrase;text-wrap:pretty}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.section-head.center{flex-direction:column;align-items:center;text-align:center}
.section-head.center .lead{max-width:640px}

/* ---------- 7. Components ---------- */
/* 7.1 Marquee — infinite loop, items are cloned by main.js to fill any width */
.marquee{position:relative;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee+.marquee{margin-top:12px}
.marquee-track{display:flex;width:max-content}
.marquee-track>*{margin-right:12px}
.marquee-track.is-running{animation:marquee var(--marquee-duration,40s) linear infinite}
.marquee[data-direction="reverse"] .marquee-track{animation-direction:reverse}
.marquee:hover .marquee-track,.marquee.is-paused .marquee-track{animation-play-state:paused}

/* 7.2 Score ring */
.ring{position:relative;width:48px;height:48px;flex-shrink:0}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring .track{stroke:var(--brand-50)}
.ring .val{stroke:url(#gRing);stroke-linecap:round;transition:stroke-dasharray 1.1s var(--ease)}
.ring b{position:absolute;inset:0;display:grid;place-items:center;font-size:var(--fs-xs);font-weight:800;line-height:1}

/* 7.3 Case library (filter bar + cards) */
.filter-bar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr)) auto;gap:10px;align-items:center;padding:10px;border-radius:var(--radius);background:var(--paper);border:1px solid var(--line)}
.field{position:relative;display:flex;align-items:center}
.field>svg.lucide:first-child{position:absolute;left:14px;width:18px;height:18px;color:var(--muted-2);pointer-events:none}
.field>svg.chev{position:absolute;right:14px;width:16px;height:16px;color:var(--muted);pointer-events:none}
.field select,.field input{-webkit-appearance:none;appearance:none;width:100%;height:50px;padding:0 36px 0 42px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;font-size:var(--fs-base);font-weight:500;color:var(--ink);outline:0;text-overflow:ellipsis;transition:border-color .25s,box-shadow .25s}
.field input{padding-right:14px}
.field select:hover,.field input:hover{border-color:var(--line-2)}
.field select:focus,.field input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,95,255,.12)}
.result-count{padding:0 12px 0 6px;font-size:var(--fs-sm);color:var(--muted);white-space:nowrap}
.result-count strong{margin-right:3px;font-size:var(--fs-xl);font-weight:800;color:var(--ink)}
.ai-hint{display:flex;align-items:center;gap:10px;margin-top:14px;padding:12px 12px 12px 16px;border-radius:var(--radius-sm);background:var(--grad-soft);border:1px solid var(--brand-100);font-size:var(--fs-base);color:var(--ink-2)}
.ai-hint[hidden]{display:none}
.ai-hint>svg.lucide{color:var(--brand)}
.ai-hint .q{font-weight:700}
.ai-hint button{margin-left:auto;display:inline-flex;align-items:center;gap:4px;padding:6px 14px;border:0;border-radius:999px;background:#fff;font-size:var(--fs-sm);font-weight:700;color:var(--muted);box-shadow:var(--shadow-sm);white-space:nowrap}
.ai-hint button:hover{color:var(--ink)}
/* the three impact colours (row chips) */
.imp-sales{background:var(--brand-50);color:var(--brand)}
.imp-cost{background:var(--mint-50);color:var(--mint-600)}
.imp-labor{background:#E3F5FC;color:#0A7AA0}

/* case table — text-only rows, built to scale to hundreds of entries */
.table-wrap{margin-top:20px;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}
.table-wrap[hidden]{display:none}
.case-table{width:100%;border-collapse:collapse;table-layout:fixed}
.case-table th{padding:12px 18px;background:var(--paper);border-bottom:1px solid var(--line);text-align:left;font-size:var(--fs-xs);font-weight:700;letter-spacing:.06em;color:var(--muted-2);white-space:nowrap}
.case-table .th-ind{width:23%}
.case-table .th-imp{width:130px}
.case-table .th-go{width:150px}
.case-row{position:relative;transition:background .25s}
.case-row td{padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:middle}
.case-table tbody tr:last-child td{border-bottom:0}
.case-row:hover{background:var(--brand-50)}
.ind-tag{display:flex;align-items:center;gap:12px}
.ind-ico{width:34px;height:34px;flex-shrink:0;border-radius:10px;display:grid;place-items:center;background:var(--paper);color:var(--muted);transition:background .25s,color .25s}
.ind-ico svg.lucide{width:17px;height:17px}
.case-row:hover .ind-ico{background:#fff;color:var(--brand)}
.ind-text{min-width:0}
.ind-text b{display:block;font-size:var(--fs-sm);line-height:1.5;color:var(--ink-2)}
.ind-text small{display:block;font-size:var(--fs-xs);line-height:1.5;color:var(--muted)}
.c-link{font-size:var(--fs-base);font-weight:700;line-height:1.6;color:var(--ink);transition:color .25s}
.c-link::after{content:"";position:absolute;inset:0;z-index:1}   /* whole row is the click target */
.case-row:hover .c-link{color:var(--brand)}
.c-title p{margin:3px 0 0;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:1;overflow:hidden;font-size:var(--fs-xs);line-height:1.8;color:var(--muted)}
.imp{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:var(--fs-sm);font-weight:700;white-space:nowrap}
.imp svg.lucide{width:15px;height:15px}
.c-go{text-align:right}
.go{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:var(--fs-sm);font-weight:700;color:var(--ink-2);white-space:nowrap;transition:background .25s,color .25s,border-color .25s}
.go svg.lucide{width:15px;height:15px;transition:transform .3s var(--ease)}
.case-row:hover .go{background:var(--brand);border-color:var(--brand);color:#fff}
.case-row:hover .go svg.lucide{transform:translateX(3px)}
/* cost-of-inaction banner under the list — the section's closing push */
.inaction{position:relative;overflow:hidden;isolation:isolate;display:flex;align-items:center;gap:24px;margin-top:40px;padding:32px 36px;border-radius:var(--radius-lg);background:var(--ink);color:#fff;box-shadow:var(--shadow-lg)}
.inaction::before{content:"";position:absolute;z-index:-1;width:420px;height:420px;right:-120px;top:-220px;border-radius:50%;background:var(--brand);filter:blur(90px);opacity:.55}
.inaction::after{content:"";position:absolute;z-index:-1;width:300px;height:300px;left:-120px;bottom:-200px;border-radius:50%;background:var(--mint);filter:blur(90px);opacity:.25}
.inaction-ico{width:60px;height:60px;flex-shrink:0;border-radius:18px;display:grid;place-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#8DB8FF}
.inaction-ico svg.lucide{width:28px;height:28px}
.inaction-text{flex:1;min-width:0}
.inaction-title{margin:0;font-family:var(--jp);font-size:var(--fs-xl);font-weight:900;line-height:1.5}
.inaction-title em{font-style:normal;background:linear-gradient(120deg,#8DB8FF,#7FF0D6);-webkit-background-clip:text;background-clip:text;color:transparent}
.inaction-sub{margin:6px 0 0;font-size:var(--fs-sm);line-height:1.7;color:var(--on-dark)}
.inaction .btn{flex-shrink:0}
tbody.stagger.in>.case-row{animation:rowIn .45s var(--ease) backwards;animation-delay:calc(var(--i,0) * 40ms)}
tbody.stagger.static>.case-row{animation:none}
@keyframes rowIn{from{opacity:0}to{opacity:1}}
/* notice shown wherever cases are listed: generalised examples, not real track records */
.case-note{display:flex;align-items:flex-start;gap:8px;margin:14px 0 0;padding:12px 16px;border-radius:var(--radius-sm);background:var(--paper);border:1px solid var(--line);font-size:var(--fs-xs);line-height:1.8;color:var(--muted)}
.case-note svg.lucide{width:16px;height:16px;margin-top:3px;flex-shrink:0;color:var(--muted-2)}
.empty{margin-top:24px;padding:56px 24px;text-align:center;border:1.5px dashed var(--line-2);border-radius:var(--radius-lg);background:var(--paper)}
.empty[hidden]{display:none}
.empty .ico{width:60px;height:60px;border-radius:18px;margin:0 auto 16px}
.empty .ico svg.lucide{width:26px;height:26px}
.empty h3{margin:0 0 6px;font-size:var(--fs-lg)}
.empty p{margin:0 0 22px;font-size:var(--fs-base);color:var(--muted)}
.empty .btn-row{justify-content:center}
.more{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:32px}
.more .btn[hidden]{display:none}

/* 7.4 Split layout + numbered steps */
.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:80px;align-items:center}
.steps{position:relative;list-style:none;padding:0;margin:32px 0 36px;display:flex;flex-direction:column;gap:14px}
.steps::before{content:"";position:absolute;left:49px;top:44px;bottom:44px;width:2px;background:linear-gradient(var(--brand),var(--mint));opacity:.35}
.step{position:relative;display:grid;grid-template-columns:58px minmax(0,1fr) auto;align-items:center;gap:18px;padding:20px 22px 20px 20px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);transition:transform .4s var(--ease),box-shadow .4s,border-color .4s}
.step:hover{transform:translateX(6px);box-shadow:var(--shadow);border-color:var(--brand-100)}
.step-ico{width:58px;height:58px;border-radius:17px;display:grid;place-items:center;color:#fff;background:var(--grad);box-shadow:0 10px 20px -8px rgba(31,95,255,.55)}
.step-ico svg.lucide{width:24px;height:24px}
.step h3{margin:0 0 2px;font-size:var(--fs-md);font-weight:700}
.step p{margin:0;font-size:var(--fs-base);line-height:1.7;color:var(--muted)}
.step-num{font-family:var(--mono);font-size:var(--fs-sm);font-weight:700;color:var(--brand-100)}

/* 7.5 Dark section */
.section-dark{background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.section-dark .bg{position:absolute;inset:0;z-index:-1;pointer-events:none}
.section-dark .glow{position:absolute;border-radius:50%;filter:blur(100px)}
.section-dark .g1{width:560px;height:560px;left:-200px;top:-200px;background:#1F5FFF;opacity:.38}
.section-dark .g2{width:480px;height:480px;right:-160px;bottom:-200px;background:#14D3A9;opacity:.22}
.section-dark .dots{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);background-size:22px 22px;-webkit-mask-image:radial-gradient(ellipse 60% 70% at 70% 50%,#000,transparent 75%);mask-image:radial-gradient(ellipse 60% 70% at 70% 50%,#000,transparent 75%)}
.section-dark .eyebrow{color:#8DB8FF}
.section-dark .eyebrow .jp{color:#8A9BBD}
.section-dark .lead{color:var(--on-dark)}
.v-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:32px 0 36px;list-style:none;padding:0}
.v-step{padding:20px;border-radius:var(--radius-sm);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);transition:background .3s,border-color .3s,transform .4s var(--ease)}
.v-step:hover{background:rgba(255,255,255,.07);border-color:rgba(141,184,255,.4);transform:translateY(-4px)}
.v-step .top{display:flex;align-items:center;justify-content:space-between}
.v-step .num{font-family:var(--mono);font-size:var(--fs-xs);font-weight:700;color:#7FF0D6}
.v-step .top svg.lucide{width:20px;height:20px;color:#8DB8FF}
.v-step h3{margin:14px 0 4px;font-size:var(--fs-base);font-weight:700}
.v-step p{margin:0;font-size:var(--fs-sm);line-height:1.7;color:var(--on-dark)}

/* ---------- 8. CTA ---------- */
.cta{padding:112px 0 120px}
.cta-card{position:relative;overflow:hidden;isolation:isolate;padding:88px 40px;border-radius:36px;text-align:center;color:#fff;background:linear-gradient(120deg,#1238C4 0%,#1F5FFF 42%,#2F7BFF 72%,#3D9BFF 100%);box-shadow:0 44px 90px -36px rgba(18,56,196,.65)}
.cta-card::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(to right,rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(to bottom,rgba(255,255,255,.08) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse 70% 80% at 50% 50%,#000,transparent 80%);mask-image:radial-gradient(ellipse 70% 80% at 50% 50%,#000,transparent 80%)}
.cta-glow{position:absolute;z-index:-1;border-radius:50%;filter:blur(70px)}
.cta-glow.g1{width:420px;height:420px;left:-120px;top:-180px;background:#14D3A9;opacity:.5}
.cta-glow.g2{width:380px;height:380px;right:-100px;bottom:-200px;background:#5CC8F5;opacity:.35}
.cta-rings{position:absolute;z-index:-1;right:-140px;top:50%;width:520px;transform:translateY(-50%);opacity:.5}
.cta-rings.left{right:auto;left:-180px;width:420px;opacity:.35}
.cta-card .eyebrow{color:#CFE0FF}
.cta-card .eyebrow::before{background:#9FF3DE;box-shadow:0 0 0 4px rgba(255,255,255,.15)}
.cta-card h2{margin:18px 0 14px;font-family:var(--jp);font-size:clamp(1.5rem,1.1rem + 1.8vw,2.375rem);line-height:1.4;font-weight:900}
.cta-card p{max-width:580px;margin:0 auto 32px;font-size:var(--fs-md);color:rgba(255,255,255,.85)}
.cta-card .btn-row{justify-content:center}

/* ---------- 9. Footer ---------- */
.site-footer{position:relative;overflow:hidden;padding:80px 0 0;background:#fff;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.7fr repeat(4,minmax(0,1fr));gap:32px}
.f-brand>p{max-width:320px;margin:14px 0 18px;font-size:var(--fs-sm);line-height:1.8;color:var(--muted)}
.f-contact{list-style:none;margin:0 0 18px;padding:0;display:flex;flex-direction:column;gap:12px}
.f-contact li{display:flex;align-items:flex-start;gap:12px}
.f-contact .ico{width:36px;height:36px;border-radius:11px}
.f-contact .ico svg.lucide{width:17px;height:17px}
.f-contact small{display:block;font-size:var(--fs-xs);font-weight:700;letter-spacing:.06em;color:var(--muted-2);line-height:1.5}
.f-contact address,.f-contact a{display:block;font-size:var(--fs-sm);line-height:1.65;color:var(--ink-2)}
.f-contact a{font-size:var(--fs-base);font-weight:700;width:fit-content;transition:color .2s}
.f-contact a:hover{color:var(--brand)}
.f-brand .note{max-width:340px;padding:12px 14px;border-radius:12px;background:var(--paper);border:1px solid var(--line);font-size:var(--fs-xs);line-height:1.8;color:var(--muted-2)}
.f-col h4{margin:4px 0 16px;font-size:var(--fs-sm);font-weight:700;letter-spacing:.06em;color:var(--muted-2)}
.f-col a{display:block;width:fit-content;margin-bottom:12px;font-size:var(--fs-sm);color:var(--ink-2);transition:color .2s}
.f-col a:hover{color:var(--brand)}
.f-sub{margin-bottom:12px}
.f-sub summary{display:flex;align-items:center;gap:4px;width:fit-content;font-size:var(--fs-sm);color:var(--ink-2);cursor:pointer;list-style:none;transition:color .2s}
.f-sub summary::-webkit-details-marker{display:none}
.f-sub summary:hover{color:var(--brand)}
.f-sub summary svg.lucide{width:14px;height:14px;transition:transform .2s}
.f-sub[open] summary svg.lucide{transform:rotate(180deg)}
.f-col .f-sub a{margin:10px 0 0 12px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:56px;padding:24px 0;border-top:1px solid var(--line);font-size:var(--fs-sm);color:var(--muted-2)}
.socials{display:flex;gap:8px}
.socials a{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;border:1px solid var(--line);color:var(--ink-2);transition:all .25s}
.socials a:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px)}
.socials svg{width:17px;height:17px}
.wordmark{margin:8px 0 -.06em;font-family:var(--jp);font-size:clamp(3rem,13vw,10rem);font-weight:900;line-height:.78;letter-spacing:-.02em;text-align:center;white-space:nowrap;background:linear-gradient(180deg,rgba(31,95,255,.16),rgba(31,95,255,0) 82%);-webkit-background-clip:text;background-clip:text;color:transparent;user-select:none;pointer-events:none}

/* ---------- 10. Back to top ---------- */
.to-top{position:fixed;right:24px;bottom:24px;z-index:60;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;box-shadow:0 16px 32px -12px rgba(10,18,40,.55);opacity:0;visibility:hidden;transform:translateY(16px) scale(.9);transition:opacity .35s,visibility .35s,transform .35s var(--ease),background .25s}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top.show:hover{background:var(--brand);transform:translateY(-3px)}
.to-top svg.lucide{width:20px;height:20px;transition:transform .3s var(--ease)}
.to-top:hover svg.lucide{transform:translateY(-2px)}
.to-top-ring{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.to-top-ring circle{fill:none;stroke-width:2.5}
.to-top-ring .track{stroke:rgba(255,255,255,.14)}
.to-top-ring .val{stroke:url(#gRing);stroke-linecap:round;stroke-dasharray:100;stroke-dashoffset:100}

/* ---------- 11. Motion ---------- */
/* .reveal — fades in when scrolled into view (main.js adds .in)
   .stagger — its children animate in one after another (set --i on each child) */
html.js .reveal{opacity:0}
html.js .reveal.in{animation:revealIn .9s var(--ease) both;animation-delay:var(--d,0s)}
html.js .stagger:not(.in)>*{opacity:0}
.stagger.in>*{animation:cardIn .7s var(--ease) backwards;animation-delay:calc(var(--i,0) * 70ms)}
.rise{animation:rise .9s var(--ease) both;animation-delay:var(--d,0s)}
@keyframes revealIn{from{opacity:0;translate:0 26px}to{opacity:1;translate:0 0}}
@keyframes rise{from{opacity:0;translate:0 22px}to{opacity:1;translate:0 0}}
@keyframes cardIn{from{opacity:0;translate:0 24px;scale:.98}to{opacity:1;translate:0 0;scale:1}}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(var(--marquee-distance,-50%))}}
@keyframes shine{to{background-position:200% center}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(20,211,169,.6)}80%,100%{box-shadow:0 0 0 8px rgba(20,211,169,0)}}
.spin{animation:spin 46s linear infinite;transform-box:view-box;transform-origin:50% 50%}
.spin.rev{animation-duration:30s;animation-direction:reverse}

/* ---------- 12. Responsive ---------- */
@media (max-width:1180px){
}
@media (max-width:1100px){
  .nav-link{padding:8px 13px}
  .has-mega>.nav-link{padding-right:28px}
  .nav-chev{right:10px}
  /* narrow desktop / tablet: the row action collapses to an arrow */
  .case-table .th-go{width:72px}
  .go{padding:8px}
  .go-text{display:none}
}
@media (max-width:1024px){
  .split{grid-template-columns:1fr;gap:56px}
  .footer-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .f-brand{grid-column:1 / -1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:32px;align-items:start}
  .f-brand .logo,.f-brand>p{grid-column:1}
  .f-brand .f-contact{grid-column:2;grid-row:1 / span 3;margin-top:4px}
  .f-brand .note{grid-column:1}
}
@media (max-width:860px){
  .nav,.header-cta .btn{display:none}
  .menu-toggle{display:flex}
  /* circular reveal from the hamburger button */
  .mobile-menu{display:block;position:fixed;inset:0;z-index:49;overflow-y:auto;overscroll-behavior:contain;padding:calc(var(--header-h) + 4px) 0 32px;
    background:radial-gradient(520px 320px at 100% 0,rgba(31,95,255,.14),transparent 70%),radial-gradient(420px 320px at 0 100%,rgba(20,211,169,.12),transparent 70%),var(--paper);
    visibility:hidden;clip-path:circle(0 at calc(100% - var(--gutter) - 23px) calc(var(--header-h) / 2));transition:clip-path .55s var(--ease),visibility 0s linear .55s}
  html.menu-open .mobile-menu{visibility:visible;clip-path:circle(150% at calc(100% - var(--gutter) - 23px) calc(var(--header-h) / 2));transition:clip-path .7s var(--ease),visibility 0s}
  .v-steps{grid-template-columns:1fr}
  /* table → stacked rows (header stays for screen readers only) */
  .case-table thead{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0)}
  .case-table,.case-table tbody{display:block}
  .case-row{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"ind imp" "title go";align-items:center;gap:10px 14px;padding:16px 18px;border-bottom:1px solid var(--line)}
  .case-table tbody tr:last-child{border-bottom:0}
  .case-row td{padding:0;border:0}
  .c-ind{grid-area:ind}
  .ind-tag{gap:10px}
  .ind-ico{width:28px;height:28px;border-radius:8px}
  .ind-text{display:flex;flex-wrap:wrap;align-items:baseline;gap:0 8px}
  .c-imp{grid-area:imp}
  .imp{padding:3px 10px;font-size:var(--fs-xs)}
  .c-title{grid-area:title}
  .c-go{grid-area:go}
}
@media (max-width:720px){
  .br-pc{display:none}
  :root{--gutter:16px;--header-h:66px;--header-h-sm:60px}
  .section{padding:80px 0}
  .lead{font-size:var(--fs-base)}
  .filter-bar{grid-template-columns:1fr 1fr}
  .result-count{grid-column:1 / -1}
  .result-count{text-align:left;padding:2px 6px 4px}
  .inaction{flex-wrap:wrap;gap:16px;padding:24px 20px}
  .inaction-ico{width:48px;height:48px;border-radius:14px}
  .inaction .btn{width:100%}
  .more .btn{width:100%}
  .step{grid-template-columns:50px minmax(0,1fr);padding:16px}
  .step-ico{width:50px;height:50px;border-radius:15px}
  .steps::before{left:41px}
  .step-num{display:none}
  .cta{padding:72px 0 88px}
  .cta-card{padding:64px 22px;border-radius:var(--radius-lg)}
  .cta-card .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px 16px}
  .f-brand{display:block}
  .footer-bottom{flex-direction:column-reverse;align-items:flex-start}
  .to-top{right:16px;bottom:16px;width:50px;height:50px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}

/* v2: katakana reading next to the wordmark.
   v3: it shares one inline line with "Mitsuket-ai" (.logo-name), so its bottom sits
   on the wordmark's baseline — level with the foot of "ai" — instead of being centred. */
.logo .logo-name{white-space:nowrap}
.logo .logo-kana{font-family:"Noto Sans JP",sans-serif;font-size:.58em;font-weight:700;letter-spacing:.08em;margin-left:6px;opacity:.75;white-space:nowrap;position: relative;bottom: 1px;}
@media (max-width:380px){.site-header .logo .logo-kana{display:none}}

/* WordPress: keyword field in the case filter bar (template-parts/case-library.php) */
.filter-bar.has-q{grid-template-columns:minmax(0,1.3fr) repeat(2,minmax(0,1fr)) auto}
[data-table-wrap][aria-busy="true"]{opacity:.55;transition:opacity .2s}
@media (max-width:1024px){
  .filter-bar.has-q{grid-template-columns:repeat(2,minmax(0,1fr))}
  .filter-bar.has-q .field-q,.filter-bar.has-q .result-count{grid-column:1 / -1}
  .filter-bar.has-q .result-count{text-align:left;padding:2px 6px 4px}
}

/* WordPress: forms (inc/forms.php) — honeypot kept off screen, server-side error list */
.mk-hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-alert{margin:0 0 24px;padding:14px 18px;border-radius:var(--radius-sm);background:#FFF2F2;border:1px solid #F3C1C1;color:#9B1C1C;font-size:var(--fs-sm);line-height:1.7}
.form-alert ul{margin:6px 0 0;padding-left:1.2em}

/* WordPress: line breaks between phrases only (hero title: no lone 「を」 on phones) */
.phrase{display:inline-block}