/* Neutral public baseline. Link before page styles; exclude operational and customer-authored screens. */
:root{
  --ink:#151216;--paper:#fffafc;--white:#fff;--muted:#665f68;
  --pink:#ff67ad;--purple:#9779ff;--mint:#9aefd9;--lime:#c9ff47;
  --yellow:#ffe36f;--blue:#dff3ff;--peach:#ffd9bd;--line:3px solid var(--ink);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:Inter,"Noto Sans JP",system-ui,-apple-system,sans-serif;background:var(--paper)}
a{color:inherit}.shell{width:min(1180px,calc(100% - 30px));margin:auto}
.site-header{position:sticky;top:0;z-index:60;border-bottom:var(--line);background:rgba(255,250,252,.95);backdrop-filter:blur(14px)}
.header-inner{min-height:68px;display:flex;align-items:center;gap:18px}.brand{font-size:18px;font-weight:1000;letter-spacing:.04em;text-decoration:none;margin-right:auto}
.desktop-nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.desktop-nav a{text-decoration:none;border:2px solid var(--ink);border-radius:999px;background:#fff;padding:7px 11px;font-size:12px;font-weight:950}.desktop-nav a:hover{transform:translateY(-2px);background:#fff1f7}
.mobile-menu-btn{display:none;width:44px;height:44px;border:2px solid var(--ink);border-radius:12px;background:#fff;align-items:center;justify-content:center;font-size:22px;font-weight:1000;box-shadow:3px 3px 0 var(--ink);cursor:pointer}
.mobile-nav{display:none;position:fixed;top:78px;left:14px;right:14px;z-index:1000;background:#fff;border:var(--line);border-radius:18px;box-shadow:8px 8px 0 var(--ink);padding:10px;max-height:calc(100vh - 96px);overflow:auto}.mobile-nav.open{display:grid}.mobile-nav a{min-height:50px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;text-decoration:none;font-weight:950;border-bottom:1px solid #ddd}.mobile-nav a:last-child{border-bottom:0}.mobile-nav a::after{content:"→"}
.section{padding:74px 0;border-bottom:var(--line);position:relative}.section.soft{background:#fff}.section.tint{background:#f7f3ff}.section.mint{background:#f0fff9}.section.dark{background:var(--ink);color:#fff}.section.dark .section-lead,.section.dark .muted{color:#d7ced9}
.section-head{display:grid;grid-template-columns:.86fr 1.14fr;gap:30px;align-items:end;margin-bottom:28px}.title{margin:7px 0 0;font-size:clamp(40px,5.7vw,72px);line-height:.94;letter-spacing:-.055em;font-weight:1000}.section-lead{max-width:720px;margin:0;font-size:16px;line-height:1.85;color:var(--muted);font-weight:730}
.footer{padding:30px 0;background:#fff;font-size:12px;font-weight:800}.footer-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.footer-links{display:flex;gap:12px;flex-wrap:wrap}.footer-links a{text-decoration:none}
.price{font-size:14px;font-weight:1000;white-space:nowrap}
.price strong{font-size:25px}
.cta{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border:2px solid var(--ink);border-radius:999px;background:var(--ink);color:#fff;text-decoration:none;padding:0 14px;font-size:12px;font-weight:1000;white-space:nowrap}
.cta.alt{background:#fff;color:var(--ink)}
.cta.lime{background:var(--lime);color:var(--ink)}
.cta.pink{background:var(--pink);color:var(--ink)}
.public-card{border:var(--line);border-radius:24px;background:var(--white);color:var(--ink);padding:24px;box-shadow:7px 7px 0 var(--ink)}
.public-field{display:grid;gap:8px;margin-block:16px;font-weight:700}
.public-input{width:100%;min-width:0;min-height:44px;padding:12px;border:2px solid var(--ink);border-radius:12px;background:var(--white);color:var(--ink);font:inherit}
.public-input[aria-invalid="true"]{border-color:#a01843}
.public-error{color:#a01843;font-weight:700}
:where(a,button,input,select,textarea):focus-visible{outline:3px solid currentColor;outline-offset:4px}
.cta:focus-visible{outline:3px solid var(--purple);box-shadow:0 0 0 2px var(--white)}
.cta:hover{box-shadow:3px 3px 0 var(--purple)}
.cta{min-height:44px;white-space:normal;text-align:center}
:where(.shell,.section-head,.header-inner)>*{min-width:0}
section[id]{scroll-margin-top:88px}
@media(max-width:980px){.section-head{grid-template-columns:1fr}}
@media(max-width:760px){.desktop-nav{display:none}.mobile-menu-btn{display:inline-flex}.section{padding:54px 0}.title{font-size:clamp(38px,12vw,58px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}

/* Neutral service landings: explicit opt-in avoids operational .btn/.nav collisions. */
.public-landing .shell{width:min(1120px,calc(100% - 30px));margin-inline:auto}
.public-landing header{position:sticky;top:0;z-index:60;border-bottom:var(--line);background:rgba(255,250,252,.95);backdrop-filter:blur(14px)}
.public-landing .topin,.public-landing .head{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:10px}
.public-landing .nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.public-landing .brand{font-weight:1000;letter-spacing:.04em;text-decoration:none}
.public-landing .btn,.public-landing .nav a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 16px;border:2px solid var(--ink);border-radius:999px;background:var(--white);color:var(--ink);text-decoration:none;font-size:13px;font-weight:1000;text-align:center;box-shadow:3px 3px 0 var(--ink)}
.public-landing .btn:hover,.public-landing .nav a:hover{transform:translate(-1px,-1px);box-shadow:5px 5px 0 var(--ink)}
.public-landing .btn.primary{background:var(--public-accent,var(--lime));color:var(--ink)}
.public-landing .btn.dark{background:var(--ink);color:var(--white)}
.public-landing .btn:focus-visible,.public-landing .nav a:focus-visible{outline:3px solid var(--ink);outline-offset:4px}
.public-landing .eyebrow,.public-landing .kicker{font-size:11px;font-weight:1000;letter-spacing:.18em}
.public-landing section{padding:72px 0;border-bottom:var(--line)}
.public-landing .hero{position:relative;overflow:hidden}
.public-landing footer{padding:30px 0;font-size:12px;font-weight:800}
.public-landing .foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.public-landing .foot a{text-decoration:none}
.public-landing .subscription .btn{box-shadow:none;border-color:#fff;background:#fff;color:var(--ink)}
.public-landing .subscription .btn.primary{border-color:var(--ink);background:var(--lime);color:var(--ink)}
.public-landing .subscription .btn:focus-visible{outline-color:var(--yellow)}
@media(max-width:640px){.public-landing .shell{width:calc(100% - 24px)}.public-landing section{padding:54px 0}.public-landing .topin,.public-landing .head{gap:10px}.public-landing .nav{width:100%}.public-landing .nav a{flex:1 1 auto}.public-landing section[id]{scroll-margin-top:180px}}