@charset "UTF-8";
/* =========================================================
   RINKA marketing demo — shared stylesheet
   BtoB corporate tone : white base / blue accent / generous whitespace
   (SWELL + Gutenberg 想定のトンマナ再現用デモ)
   ========================================================= */

/* ---------- tokens ---------- */
:root{
  --c-primary:#1b63d6;
  --c-primary-dark:#164fac;
  --c-primary-darker:#123f8a;
  --c-primary-tint:#eef4fd;
  --c-primary-tint2:#dfeafb;
  --c-accent:#18b3c7;
  --c-ink:#0f1f33;
  --c-text:#3c4858;
  --c-muted:#6c7887;
  --c-line:#e5e9f0;
  --c-line-strong:#d5dbe6;
  --c-bg:#ffffff;
  --c-bg-alt:#f5f8fc;
  --c-bg-tint:#eef4fd;
  --c-white:#ffffff;
  --radius-s:8px;
  --radius:12px;
  --radius-l:18px;
  --shadow-s:0 1px 2px rgba(15,31,51,.05), 0 2px 6px rgba(15,31,51,.05);
  --shadow-m:0 8px 28px rgba(15,31,51,.09);
  --shadow-l:0 24px 60px rgba(15,31,51,.14);
  --container:1140px;
  --container-wide:1280px;
  --container-narrow:820px;
  --gap:clamp(16px,3vw,28px);
  --space-section:clamp(64px,9vw,120px);
  --font-base:"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease)}
a:hover{color:var(--c-primary)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{color:var(--c-ink);line-height:1.45;font-weight:700;letter-spacing:.01em}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:3px}

/* ---------- layout helpers ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:clamp(20px,5vw,40px)}
.container.narrow{max-width:var(--container-narrow)}
.container.wide{max-width:var(--container-wide)}
.section{padding-block:var(--space-section)}
.section.tight{padding-block:clamp(48px,6vw,80px)}
.section--alt{background:var(--c-bg-alt)}
.section--tint{background:var(--c-bg-tint)}
.section--ink{background:var(--c-ink);color:#c5d0de}
.section--ink h2,.section--ink h3{color:#fff}
.center{text-align:center}
.mt-s{margin-top:16px}.mt-m{margin-top:28px}.mt-l{margin-top:48px}
.grid{display:grid;gap:var(--gap)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:960px){.cols-3,.cols-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.cols-2,.cols-3,.cols-4{grid-template-columns:1fr}}

/* ---------- typography blocks ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--c-primary);text-transform:uppercase;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--c-primary)}
.eyebrow.is-center::after{content:"";width:24px;height:1px;background:var(--c-primary)}
.sec-head{max-width:720px;margin-bottom:clamp(36px,5vw,56px)}
.sec-head.is-center{margin-inline:auto;text-align:center}
.sec-head h2{
  font-size:clamp(24px,3.4vw,36px);margin-top:14px;letter-spacing:.02em;
}
.sec-head p{margin-top:16px;color:var(--c-muted);font-size:15px}
.lead{font-size:clamp(16px,2vw,18px);color:var(--c-text)}

/* ---------- buttons (SWELL風) ---------- */
.btn{
  --btn-bg:var(--c-primary);--btn-fg:#fff;--btn-bd:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;font-size:15px;font-weight:700;letter-spacing:.03em;
  color:var(--btn-fg);background:var(--btn-bg);border:1.5px solid var(--btn-bd);
  border-radius:var(--radius-s);box-shadow:0 8px 20px rgba(27,99,214,.22);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(27,99,214,.32);background:var(--c-primary-dark);color:#fff}
.btn .arw{transition:transform .2s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn--ghost{--btn-bg:transparent;--btn-fg:var(--c-primary);box-shadow:none}
.btn--ghost:hover{--btn-bg:var(--c-primary-tint);color:var(--c-primary-dark);box-shadow:none}
.btn--dark{--btn-bg:var(--c-ink);--btn-bd:var(--c-ink);box-shadow:0 8px 20px rgba(15,31,51,.22)}
.btn--dark:hover{background:#1c3350}
.btn--white{--btn-bg:#fff;--btn-fg:var(--c-primary-dark);--btn-bd:#fff;box-shadow:0 8px 24px rgba(0,0,0,.16)}
.btn--white:hover{background:#f0f5ff;color:var(--c-primary-darker)}
.btn--lg{padding:18px 40px;font-size:16px}
.btn--full{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}
.btn-row.is-center{justify-content:center}
.txtlink{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--c-primary);font-size:14px}
.txtlink .arw{transition:transform .2s var(--ease)}
.txtlink:hover .arw{transform:translateX(4px)}

/* ---------- demo notice bar ---------- */
.demo-bar{
  background:var(--c-ink);color:#dbe4f0;font-size:12.5px;line-height:1.7;
  padding:9px 20px;text-align:center;position:relative;z-index:60;
}
.demo-bar strong{color:#fff}
.demo-bar b{color:#8fc0ff;font-weight:700}
.demo-bar .x{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:#8b98a8;font-size:16px;line-height:1;padding:4px}
.demo-bar .x:hover{color:#fff}
@media(max-width:640px){.demo-bar{font-size:11px;padding:8px 34px 8px 14px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(15,31,51,.08);background:#fff}
.hd-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;max-width:var(--container-wide);margin-inline:auto;padding-inline:clamp(20px,5vw,40px)}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand__mark{width:34px;height:34px;flex-shrink:0}
.brand__name{font-size:20px;font-weight:700;color:var(--c-ink);letter-spacing:.08em;line-height:1}
.brand__sub{display:block;font-size:10px;font-weight:500;color:var(--c-muted);letter-spacing:.14em;margin-top:3px}
.gnav{display:flex;align-items:center;gap:4px}
.gnav > li{position:relative}
.gnav > li > a,.gnav > li > span{
  display:flex;align-items:center;gap:5px;padding:12px 14px;font-size:14px;font-weight:500;color:var(--c-ink);cursor:pointer;
}
.gnav > li > a:hover,.gnav > li.has-sub:hover > span{color:var(--c-primary)}
.gnav .caret{width:9px;height:9px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s}
.gnav .sub{
  position:absolute;top:calc(100% + 6px);left:50%;transform:translateX(-50%) translateY(8px);
  min-width:230px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
  box-shadow:var(--shadow-m);padding:8px;opacity:0;visibility:hidden;transition:.22s var(--ease);
}
.gnav li.has-sub:hover .sub{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.gnav .sub a{display:block;padding:11px 14px;font-size:13.5px;border-radius:8px;color:var(--c-text)}
.gnav .sub a:hover{background:var(--c-primary-tint);color:var(--c-primary-dark)}
.hd-cta{display:flex;align-items:center;gap:14px;flex-shrink:0}
.hd-tel{font-size:12px;color:var(--c-muted);text-align:right;line-height:1.35}
.hd-tel b{display:block;font-size:17px;color:var(--c-ink);letter-spacing:.02em}
.hd-cta .btn{padding:12px 22px;font-size:13.5px;box-shadow:none}
.site-nav{display:contents}
.site-nav > .btn{display:none}
.navtoggle{display:none;position:relative;z-index:60;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.navtoggle span{width:24px;height:2px;background:var(--c-ink);border-radius:2px;transition:.25s var(--ease)}
body.nav-open .navtoggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .navtoggle span:nth-child(2){opacity:0}
body.nav-open .navtoggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:1080px){
  .hd-tel{display:none}
}
@media(max-width:980px){
  .navtoggle{display:flex}
  .hd-cta > .btn{display:none}
  .hd-cta{gap:0}
  .site-nav{
    position:fixed;inset:0 0 0 auto;width:min(88vw,380px);background:#fff;z-index:55;
    transform:translateX(100%);transition:transform .32s var(--ease);
    padding:96px 26px 40px;overflow-y:auto;box-shadow:var(--shadow-l);
    display:block;
  }
  body.nav-open .site-header{z-index:56}
  body.nav-open .site-nav{transform:translateX(0)}
  body.nav-open::after{content:"";position:fixed;inset:0;background:rgba(15,31,51,.4);z-index:54}
  .gnav{display:flex;flex-direction:column;align-items:stretch;gap:0}
  .gnav > li{border-bottom:1px solid var(--c-line)}
  .gnav > li > a,.gnav > li > span{padding:16px 4px;font-size:15px;justify-content:space-between}
  .gnav .sub{
    position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;
    min-width:0;padding:0 0 10px;max-height:0;overflow:hidden;transition:max-height .3s var(--ease)
  }
  .gnav li.has-sub:hover .sub,
  .gnav li.has-sub.open .sub{transform:none}
  .gnav li.has-sub:hover .sub{max-height:0}
  .gnav li.has-sub.open .sub{max-height:600px}
  .gnav li.has-sub.open .caret{transform:rotate(225deg)}
  .gnav .sub a{padding:10px 12px}
  .site-nav > .btn{display:flex;margin-top:22px;width:100%}
}

/* ---------- hero ---------- */
.hero{position:relative;padding-block:clamp(56px,8vw,104px);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(60% 60% at 82% 12%,rgba(27,99,214,.10),transparent 70%),
  radial-gradient(50% 50% at 8% 92%,rgba(24,179,199,.08),transparent 70%);z-index:-1}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(32px,5vw,60px);align-items:center}
.hero h1{font-size:clamp(26px,3.5vw,39px);line-height:1.4;letter-spacing:.01em;overflow-wrap:normal}
.hero h1 .hl{position:relative;white-space:nowrap}
.hero h1 .hl::after{content:"";position:absolute;left:-2px;right:-2px;bottom:.08em;height:.34em;background:var(--c-primary-tint2);z-index:-1}
.hero p.lead{margin-top:24px;color:var(--c-text)}
.hero .btn-row{margin-top:34px}
.hero-figure{position:relative}
.hero-figure img{border-radius:var(--radius-l);box-shadow:var(--shadow-l);width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-badge{
  position:absolute;left:-22px;bottom:26px;background:#fff;border-radius:var(--radius);
  box-shadow:var(--shadow-m);padding:16px 20px;display:flex;align-items:center;gap:14px;
}
.hero-badge .n{font-size:26px;font-weight:700;color:var(--c-primary);line-height:1}
.hero-badge .t{font-size:11.5px;color:var(--c-muted);line-height:1.5}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-figure{order:-1}
  .hero-badge{left:12px}
}
.trustbar{margin-top:clamp(40px,6vw,64px);border-top:1px solid var(--c-line);padding-top:26px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 34px}
.trustbar span{font-size:12px;color:var(--c-muted);letter-spacing:.1em}
.trustbar b{font-size:15px;color:var(--c-ink);font-weight:700}
.trustbar .divider{width:1px;height:26px;background:var(--c-line)}

/* ---------- stat strip ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.stat{padding:26px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);text-align:center}
.section--ink .stat{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.12)}
.stat .num{font-size:clamp(28px,4vw,40px);font-weight:700;color:var(--c-primary);line-height:1;letter-spacing:.01em}
.section--ink .stat .num{color:#6fb0ff}
.stat .num small{font-size:.5em;margin-left:2px}
.stat .lbl{margin-top:10px;font-size:12.5px;color:var(--c-muted)}
.section--ink .stat .lbl{color:#9fb0c4}
@media(max-width:720px){.stats{grid-template-columns:repeat(2,1fr)}}

/* ---------- cards ---------- */
.card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--c-line-strong)}
.card__media{aspect-ratio:16/10;overflow:hidden;background:var(--c-bg-alt)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card__media img{transform:scale(1.04)}
.card__body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--c-primary);background:var(--c-primary-tint);padding:5px 10px;border-radius:100px;align-self:flex-start}
.card__title{font-size:17px;font-weight:700;color:var(--c-ink);line-height:1.6}
.card__excerpt{font-size:13.5px;color:var(--c-muted);line-height:1.8}
.card__meta{margin-top:auto;padding-top:12px;font-size:12px;color:var(--c-muted);display:flex;gap:12px;align-items:center}
.card--link:hover .card__title{color:var(--c-primary)}

/* service card */
.svc-card{position:relative;padding:32px 28px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.svc-card .ic{width:52px;height:52px;border-radius:14px;background:var(--c-primary-tint);display:grid;place-items:center;margin-bottom:18px}
.svc-card .ic svg{width:26px;height:26px;stroke:var(--c-primary);fill:none;stroke-width:1.7}
.svc-card h3{font-size:18px;margin-bottom:10px}
.svc-card p{font-size:13.5px;color:var(--c-muted);line-height:1.8}
.svc-card .num{position:absolute;top:22px;right:26px;font-size:13px;font-weight:700;color:var(--c-line-strong)}
.svc-card .txtlink{margin-top:16px}

/* ---------- point / feature list ---------- */
.points{display:grid;gap:20px}
.point{display:flex;gap:20px;padding:26px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius)}
.point__n{flex-shrink:0;width:44px;height:44px;border-radius:50%;background:var(--c-ink);color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px}
.point h3{font-size:17px;margin-bottom:8px}
.point p{font-size:14px;color:var(--c-muted)}

/* ---------- steps ---------- */
.steps{counter-reset:step;display:grid;gap:0}
.step{display:grid;grid-template-columns:64px 1fr;gap:22px;padding:26px 0;border-top:1px dashed var(--c-line-strong);position:relative}
.step:last-child{border-bottom:1px dashed var(--c-line-strong)}
.step__n{counter-increment:step;width:52px;height:52px;border-radius:50%;border:2px solid var(--c-primary);color:var(--c-primary);display:grid;place-items:center;font-weight:700}
.step__n::before{content:"0" counter(step)}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--c-muted)}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;color:#fff;background:linear-gradient(120deg,var(--c-primary-darker),var(--c-primary) 60%,#2e7ee0)}
.cta-band::before{content:"";position:absolute;inset:0;background:url("../img/cta-bg.jpg") center/cover;opacity:.14;mix-blend-mode:luminosity}
.cta-band .container{position:relative;text-align:center;padding-block:clamp(56px,8vw,90px)}
.cta-band h2{color:#fff;font-size:clamp(22px,3.4vw,34px)}
.cta-band p{margin-top:16px;color:rgba(255,255,255,.9);font-size:15px}
.cta-band .btn-row{margin-top:32px;justify-content:center}

/* mini inline CTA (記事内・LP用の再利用ブロック) */
.cta-inline{
  margin:40px 0;padding:32px;border-radius:var(--radius);
  background:var(--c-primary-tint);border:1px solid var(--c-primary-tint2);
  display:flex;flex-wrap:wrap;align-items:center;gap:18px 24px;justify-content:space-between
}
.cta-inline .t{font-weight:700;color:var(--c-ink);font-size:16px}
.cta-inline .d{font-size:13px;color:var(--c-muted);margin-top:4px}

/* ---------- FAQ accordion ---------- */
.faq{display:grid;gap:12px}
.faq-item{border:1px solid var(--c-line);border-radius:var(--radius);background:#fff;overflow:hidden}
.faq-q{width:100%;display:flex;align-items:flex-start;gap:14px;padding:20px 22px;text-align:left;font-weight:700;color:var(--c-ink);font-size:15px;line-height:1.7}
.faq-q .qm{color:var(--c-primary);flex-shrink:0}
.faq-q .pm{margin-left:auto;flex-shrink:0;width:20px;height:20px;position:relative}
.faq-q .pm::before,.faq-q .pm::after{content:"";position:absolute;background:var(--c-primary);transition:.25s var(--ease)}
.faq-q .pm::before{left:0;right:0;top:9px;height:2px}
.faq-q .pm::after{top:0;bottom:0;left:9px;width:2px}
.faq-item.open .faq-q .pm::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a__in{padding:0 22px 22px 50px;font-size:14px;color:var(--c-muted)}
.faq-item.open .faq-a{max-height:400px}

/* ---------- table / spec ---------- */
.spec{width:100%;border-collapse:collapse;font-size:14px}
.spec th,.spec td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--c-line);vertical-align:top}
.spec th{width:34%;color:var(--c-ink);font-weight:700;background:var(--c-bg-alt)}
.spec tr:first-child th,.spec tr:first-child td{border-top:1px solid var(--c-line)}
@media(max-width:600px){
  .spec,.spec tbody,.spec tr,.spec th,.spec td{display:block;width:100%}
  .spec th{background:transparent;padding-bottom:4px;border:0}
  .spec td{padding-top:4px;padding-bottom:18px}
}

/* ---------- breadcrumb ---------- */
.crumb{font-size:12px;color:var(--c-muted);padding:16px 0}
.crumb a:hover{color:var(--c-primary)}
.crumb span{margin:0 8px;opacity:.5}

/* ---------- page hero (下層ページ共通) ---------- */
.page-hero{background:var(--c-bg-alt);border-bottom:1px solid var(--c-line);padding-block:clamp(40px,6vw,72px);position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(27,99,214,.10),transparent 70%)}
.page-hero .eyebrow{margin-bottom:14px}
.page-hero h1{font-size:clamp(26px,4vw,40px);letter-spacing:.03em}
.page-hero p{margin-top:16px;color:var(--c-muted);max-width:640px;font-size:15px}

/* ---------- prose (記事テンプレート) ---------- */
.prose{font-size:15.5px;line-height:2.05;color:var(--c-text)}
.prose > * + *{margin-top:1.5em}
.prose h2{font-size:clamp(20px,2.6vw,26px);margin-top:2.2em;padding-bottom:.5em;border-bottom:2px solid var(--c-primary-tint2);scroll-margin-top:100px}
.prose h3{font-size:18px;margin-top:2em;padding-left:14px;border-left:4px solid var(--c-primary);scroll-margin-top:100px}
.prose p{margin-top:1.2em}
.prose ul,.prose ol{margin-top:1.2em;padding-left:1.4em}
.prose ul li{list-style:disc;margin-bottom:.5em}
.prose ol li{list-style:decimal;margin-bottom:.5em}
.prose ul li::marker,.prose ol li::marker{color:var(--c-primary)}
.prose a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;font-weight:500}
.prose img{border-radius:var(--radius);margin-block:1.8em;box-shadow:var(--shadow-s)}
.prose blockquote{margin:1.8em 0;padding:18px 24px;background:var(--c-bg-alt);border-left:4px solid var(--c-line-strong);border-radius:0 8px 8px 0;color:var(--c-muted);font-size:14.5px}
.prose figcaption{font-size:12px;color:var(--c-muted);text-align:center;margin-top:-1em}
.prose table{width:100%;border-collapse:collapse;font-size:14px;margin-block:1.8em}
.prose table th,.prose table td{border:1px solid var(--c-line);padding:12px 14px;text-align:left}
.prose table th{background:var(--c-bg-alt);font-weight:700;color:var(--c-ink)}
.note-box{padding:20px 22px;border-radius:var(--radius);background:#fffaf0;border:1px solid #f4e2bd;font-size:14px}
.note-box.info{background:var(--c-primary-tint);border-color:var(--c-primary-tint2)}
.note-box b{display:block;margin-bottom:6px;color:var(--c-ink)}

/* TOC */
.toc{background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--radius);padding:22px 26px}
.toc__ttl{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--c-muted);margin-bottom:12px}
.toc ol{counter-reset:toc}
.toc li{margin:8px 0;font-size:14px}
.toc li:not(.lv3){counter-increment:toc}
.toc li::before{content:counter(toc,decimal-leading-zero);color:var(--c-primary);font-weight:700;margin-right:10px}
.toc a{color:var(--c-text)}
.toc a:hover{color:var(--c-primary)}
.toc .lv3{padding-left:26px;font-size:13px}
.toc .lv3::before{content:"–";margin-right:8px}

/* article layout */
.article-wrap{display:grid;grid-template-columns:1fr 280px;gap:56px;align-items:start}
.article-side{position:sticky;top:100px;display:grid;gap:24px}
@media(max-width:960px){.article-wrap{grid-template-columns:1fr}.article-side{position:static}}
.author-card{display:flex;gap:14px;align-items:center;padding:18px;border:1px solid var(--c-line);border-radius:var(--radius);background:#fff}
.author-card img{width:56px;height:56px;border-radius:50%;object-fit:cover;flex-shrink:0}
.author-card .nm{font-weight:700;color:var(--c-ink);font-size:14px}
.author-card .rl{font-size:12px;color:var(--c-muted)}

/* ---------- forms ---------- */
.form{display:grid;gap:22px;max-width:680px}
.field{display:grid;gap:8px}
.field label{font-size:13.5px;font-weight:700;color:var(--c-ink)}
.field .req{color:#d63b3b;font-size:11px;margin-left:6px;font-weight:700}
.field .opt{color:var(--c-muted);font-size:11px;margin-left:6px;font-weight:500}
.field input,.field select,.field textarea{
  width:100%;padding:14px 16px;font-size:15px;font-family:inherit;color:var(--c-ink);
  background:#fff;border:1.5px solid var(--c-line-strong);border-radius:var(--radius-s);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)
}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-tint)}
.field textarea{min-height:150px;resize:vertical}
.field.err input,.field.err select,.field.err textarea{border-color:#d63b3b;box-shadow:0 0 0 3px rgba(214,59,59,.1)}
.field .msg{font-size:12px;color:#d63b3b;display:none}
.field.err .msg{display:block}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--c-text)}
.check input{width:18px;height:18px;margin-top:3px;flex-shrink:0;accent-color:var(--c-primary)}
.form-note{font-size:12px;color:var(--c-muted)}
.formbox{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-l);padding:clamp(24px,4vw,44px);box-shadow:var(--shadow-s)}

/* ---------- LP specific ---------- */
.lp-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--c-line)}
.lp-header .hd-inner{height:66px}
.lp-hero{padding-block:clamp(48px,7vw,88px);background:
  radial-gradient(60% 70% at 85% 10%,rgba(27,99,214,.12),transparent 70%),var(--c-bg-alt)}
.lp-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,60px);align-items:center}
@media(max-width:900px){.lp-hero-grid{grid-template-columns:1fr}}
.lp-hero h1{font-size:clamp(26px,4.4vw,44px);line-height:1.4}
.lp-hero .sub{margin-top:20px;font-size:16px;color:var(--c-text)}
.pricebox{background:#fff;border:2px solid var(--c-primary);border-radius:var(--radius-l);padding:32px;box-shadow:var(--shadow-m);text-align:center}
.pricebox .cap{font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:.08em}
.pricebox .price{font-size:44px;font-weight:700;color:var(--c-ink);line-height:1.1;margin:10px 0}
.pricebox .price small{font-size:16px;font-weight:500;color:var(--c-muted)}
.pricebox .price .yen{font-size:22px}
.pricebox ul{text-align:left;margin:20px 0;display:grid;gap:10px}
.pricebox li{font-size:13.5px;padding-left:26px;position:relative;color:var(--c-text)}
.pricebox li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:9px;border-left:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);transform:rotate(-45deg)}
.checkflow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;font-size:12px;color:var(--c-muted)}
.checkflow b{color:var(--c-ink)}
.checkflow .arw{color:var(--c-primary)}
.problem-list{display:grid;gap:14px}
.problem-list li{display:flex;gap:14px;align-items:flex-start;padding:20px 24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);font-size:14.5px}
.problem-list li::before{content:"!";flex-shrink:0;width:26px;height:26px;border-radius:50%;background:#fff2f2;color:#d63b3b;font-weight:700;display:grid;place-items:center;font-size:13px}

/* ---------- checkout mock ---------- */
.checkout-grid{display:grid;grid-template-columns:1fr 380px;gap:40px;align-items:start}
@media(max-width:860px){.checkout-grid{grid-template-columns:1fr}}
.order-sum{background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--radius);padding:26px;position:sticky;top:100px}
.order-sum dl{display:grid;gap:12px}
.order-sum .row{display:flex;justify-content:space-between;font-size:14px}
.order-sum .row.total{border-top:1px solid var(--c-line-strong);padding-top:12px;margin-top:4px;font-size:17px;font-weight:700;color:var(--c-ink)}
.secure-note{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--c-muted);margin-top:16px}
.secure-note svg{width:15px;height:15px;stroke:var(--c-primary);fill:none}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#a9b6c6;font-size:13.5px;padding-block:clamp(48px,7vw,72px) 28px}
.ft-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.ft-brand .brand__name{color:#fff}
.ft-brand p{margin-top:16px;font-size:12.5px;line-height:1.9;color:#8b98a8;max-width:280px}
.ft-col h4{color:#fff;font-size:12px;letter-spacing:.12em;margin-bottom:16px;font-weight:700}
.ft-col li{margin:9px 0}
.ft-col a{color:#a9b6c6;font-size:13px}
.ft-col a:hover{color:#fff}
.ft-bottom{margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;font-size:12px;color:#7a8798}
.ft-bottom a:hover{color:#fff}
@media(max-width:860px){.ft-top{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.ft-top{grid-template-columns:1fr}}

/* ---------- reveal animation (控えめ・JSがある時だけ) ---------- */
body.reveal-ready .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
body.reveal-ready .reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  body.reveal-ready .reveal{opacity:1!important;transform:none!important;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- misc ---------- */
.tagrow{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:11.5px;color:var(--c-muted);background:var(--c-bg-alt);border:1px solid var(--c-line);padding:5px 12px;border-radius:100px}
.divider-line{height:1px;background:var(--c-line);border:0;margin-block:clamp(40px,6vw,64px)}
.pill-list{display:flex;flex-wrap:wrap;gap:10px}
.pill-list li{font-size:13px;font-weight:500;color:var(--c-primary-dark);background:var(--c-primary-tint);padding:8px 16px;border-radius:100px}
.filterbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.filter-btn{padding:9px 18px;font-size:13px;font-weight:700;color:var(--c-muted);background:#fff;border:1.5px solid var(--c-line-strong);border-radius:100px;transition:.2s var(--ease)}
.filter-btn:hover{border-color:var(--c-primary);color:var(--c-primary)}
.filter-btn.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.is-hidden{display:none!important}
.logo-strip{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:18px 40px;opacity:.7}
.logo-strip span{font-size:15px;font-weight:700;color:var(--c-muted);letter-spacing:.05em}