@charset "UTF-8";
/* =========================================================
   株式会社Beta Function — Corporate Site
   Everything is beta until it functions.
   ========================================================= */

/* ---------- Tokens ---------- */
:root{
  --ink:#0F1B2D;
  --ink-2:#16233C;
  --ink-3:#1E2E4A;
  --paper:#F6F5F2;
  --white:#FFFFFF;
  --blue:#1F4FD8;
  --blue-hi:#3A68F0;
  --blue-dk:#1A41B4;
  --aqua:#5FD3C4;
  --slate:#5A6A80;
  --slate-lt:#8A97A8;
  --line:rgba(15,27,45,.12);
  --line-dk:rgba(255,255,255,.16);

  --fs-display:clamp(2.1rem,6.2vw,4.1rem);
  --fs-h1:clamp(1.8rem,4.4vw,3.1rem);
  --fs-h2:clamp(1.5rem,3.2vw,2.35rem);
  --fs-h3:clamp(1.15rem,1.9vw,1.45rem);
  --fs-body:clamp(0.95rem,1.05vw,1.0rem);
  --fs-lead:clamp(1.0rem,1.4vw,1.15rem);
  --fs-sm:0.8125rem;
  --fs-xs:0.6875rem;

  --sec-y:clamp(76px,11vw,152px);
  --gutter:clamp(20px,4vw,40px);
  --max:1200px;
  --narrow:820px;
  --r-sm:4px;
  --r-md:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic Medium",sans-serif;
  font-size:var(--fs-body);
  line-height:1.95;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  font-feature-settings:"palt";
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
img{height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
table{border-collapse:collapse;width:100%}
h1,h2,h3,h4{line-height:1.5;font-weight:700;letter-spacing:.01em;word-break:auto-phrase}
::selection{background:var(--blue);color:#fff}

/* ---------- Layout ---------- */
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
.wrap--narrow{max-width:var(--narrow)}
.sec{padding-block:var(--sec-y)}
.sec--paper{background:var(--paper)}
.sec--white{background:var(--white)}
.sec--ink{background:var(--ink);color:rgba(255,255,255,.86)}
.sec--ink h1,.sec--ink h2,.sec--ink h3{color:#fff}

/* ---------- Type helpers ---------- */
.en{font-family:"Inter",system-ui,sans-serif;font-feature-settings:normal}
.eyebrow{
  font-family:"Inter",system-ui,sans-serif;
  font-size:var(--fs-xs);
  font-weight:600;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--blue);
  display:inline-flex;
  align-items:center;
  gap:12px;
  margin-bottom:22px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--blue);flex:none}
.sec--ink .eyebrow{color:var(--aqua)}
.sec--ink .eyebrow::before{background:var(--aqua)}

.sec-title{font-size:var(--fs-h2);margin-bottom:26px;letter-spacing:.02em}
.sec-title .thin{font-weight:400}
.lead{font-size:var(--fs-lead);line-height:2.15;color:var(--slate)}
.sec--ink .lead{color:rgba(255,255,255,.72)}
.muted{color:var(--slate)}
.accent{color:var(--blue)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:14px;
  min-height:52px;padding:0 28px;
  font-size:.9rem;font-weight:700;letter-spacing:.04em;
  border-radius:var(--r-sm);
  transition:.35s var(--ease);
  white-space:nowrap;
}
.btn svg{width:16px;height:9px;flex:none;transition:transform .35s var(--ease)}
.btn:hover svg{transform:translateX(5px)}
.btn--primary{background:var(--blue);color:#fff}
.btn--primary:hover{background:var(--blue-dk)}
.btn--line{border:1px solid var(--line);color:var(--ink)}
.btn--line:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.btn--onink{border:1px solid var(--line-dk);color:#fff}
.btn--onink:hover{background:#fff;color:var(--ink);border-color:#fff}

.link-arrow{
  display:inline-flex;align-items:center;gap:14px;
  font-size:.875rem;font-weight:700;letter-spacing:.06em;
  padding-bottom:10px;border-bottom:1px solid var(--line);
  transition:.35s var(--ease);
}
.link-arrow svg{width:18px;height:9px;transition:transform .35s var(--ease)}
.link-arrow:hover{border-color:var(--blue);color:var(--blue)}
.link-arrow:hover svg{transform:translateX(6px)}
.sec--ink .link-arrow{border-color:var(--line-dk);color:#fff}
.sec--ink .link-arrow:hover{border-color:var(--aqua);color:var(--aqua)}

/* ---------- Header ---------- */
.hd{
  position:fixed;inset:0 0 auto;z-index:100;
  display:flex;align-items:center;
  height:78px;
  transition:background .4s var(--ease),box-shadow .4s var(--ease),height .4s var(--ease);
}
.hd__inner{width:100%;max-width:1400px;margin-inline:auto;padding-inline:var(--gutter);
  display:flex;align-items:center;justify-content:space-between;gap:24px}
.hd.is-solid{background:rgba(246,245,242,.92);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line);height:68px}

.logo{display:inline-flex;align-items:center}
.logo__txt{font-family:"Inter",sans-serif;font-size:.9rem;letter-spacing:.13em;line-height:1;white-space:nowrap}
.logo__txt b{font-weight:700}
.logo__txt span{font-weight:400;opacity:.55}

.nav{display:flex;align-items:center;gap:34px}
.nav a{font-size:.83rem;font-weight:500;letter-spacing:.06em;position:relative;padding-block:6px}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:currentColor;transition:width .35s var(--ease)}
.nav a:hover::after,.nav a[aria-current="page"]::after{width:100%}
.nav a[aria-current="page"]{opacity:1}

/* header on dark hero */
.hd:not(.is-solid){color:#fff}
.hd:not(.is-solid) .btn--line{border-color:var(--line-dk);color:#fff}
.hd:not(.is-solid) .btn--line:hover{background:#fff;color:var(--ink);border-color:#fff}
.hd.is-solid{color:var(--ink)}

.hd__cta{display:flex;align-items:center;gap:12px}
.hd__cta .btn{min-height:42px;padding:0 20px;font-size:.8rem}

.burger{display:none;width:44px;height:44px;position:relative}
.burger span{position:absolute;left:11px;width:22px;height:1.5px;background:currentColor;transition:.35s var(--ease)}
.burger span:nth-child(1){top:17px}
.burger span:nth-child(2){top:26px}
.burger.is-open span:nth-child(1){top:21px;transform:rotate(45deg)}
.burger.is-open span:nth-child(2){top:21px;transform:rotate(-45deg)}

.drawer{
  position:fixed;inset:0;z-index:99;background:var(--ink);
  display:flex;flex-direction:column;justify-content:center;
  padding:100px var(--gutter) 60px;
  opacity:0;visibility:hidden;transition:.4s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer a{display:block;color:#fff;font-size:1.25rem;font-weight:700;padding-block:18px;border-bottom:1px solid var(--line-dk)}
.drawer .btn{margin-top:34px}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;background:var(--ink);overflow:hidden}
.hero__media{position:absolute;inset:0}
.hero__slide{position:absolute;inset:0;opacity:0;transition:opacity 1.6s var(--ease)}
.hero__slide.is-on{opacity:1}
.hero__slide img{width:100%;height:100%;object-fit:cover}
.hero__scrim{position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,27,45,.94) 0%,rgba(15,27,45,.82) 38%,rgba(15,27,45,.42) 68%,rgba(15,27,45,.28) 100%)}
.hero__inner{position:relative;width:100%;max-width:1400px;margin-inline:auto;padding:130px var(--gutter) 96px}
.hero__ttl{font-size:var(--fs-display);color:#fff;line-height:1.42;letter-spacing:.03em;margin-bottom:34px}
.hero__ttl .l2{display:block}
.hero__ttl em{font-style:normal;color:var(--aqua)}
.hero__sub{max-width:560px;color:rgba(255,255,255,.74);line-height:2.2;margin-bottom:44px}
.hero__acts{display:flex;flex-wrap:wrap;gap:14px}
.hero__en{
  font-family:"Inter",sans-serif;font-size:var(--fs-xs);letter-spacing:.3em;
  text-transform:uppercase;color:var(--aqua);margin-bottom:30px;display:block
}
.hero__dots{position:absolute;left:var(--gutter);bottom:40px;display:flex;gap:10px;z-index:2}
.hero__dots button{width:34px;height:2px;background:rgba(255,255,255,.28);transition:.35s var(--ease)}
.hero__dots button.is-on{background:var(--aqua)}
.hero__scroll{
  position:absolute;right:var(--gutter);bottom:40px;z-index:2;
  font-family:"Inter",sans-serif;font-size:var(--fs-xs);letter-spacing:.22em;color:rgba(255,255,255,.5);
  display:flex;align-items:center;gap:12px
}
.hero__scroll i{display:block;width:52px;height:1px;background:rgba(255,255,255,.3);position:relative;overflow:hidden}
.hero__scroll i::after{content:"";position:absolute;inset:0;background:var(--aqua);transform:translateX(-100%);animation:sweep 2.6s infinite var(--ease)}
@keyframes sweep{0%{transform:translateX(-100%)}60%{transform:translateX(100%)}100%{transform:translateX(100%)}}

/* ---------- Page head (下層) ---------- */
.phead{position:relative;background:var(--ink);overflow:hidden;padding:170px var(--gutter) 92px}
.phead__bg{position:absolute;inset:0;opacity:.5}
.phead__bg img{width:100%;height:100%;object-fit:cover}
.phead::after{content:"";position:absolute;inset:0;
  background:linear-gradient(95deg,rgba(15,27,45,.95) 0%,rgba(15,27,45,.8) 55%,rgba(15,27,45,.5) 100%)}
.phead__inner{position:relative;z-index:1;max-width:var(--max);margin-inline:auto}
.phead__en{font-family:"Inter",sans-serif;font-size:var(--fs-xs);letter-spacing:.28em;text-transform:uppercase;color:var(--aqua);display:block;margin-bottom:18px}
.phead h1{font-size:var(--fs-h1);color:#fff;letter-spacing:.04em}
.phead p{margin-top:22px;max-width:640px;color:rgba(255,255,255,.7);line-height:2.1}

/* breadcrumb */
.crumb{font-size:var(--fs-sm);color:var(--slate);padding:22px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.crumb li::after{content:"/";margin-left:10px;color:var(--slate-lt)}
.crumb li:last-child::after{content:""}
.crumb a:hover{color:var(--blue)}

/* ---------- Split (2col) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,88px);align-items:center}
.split--rev .split__fig{order:2}
.split__fig{position:relative}
.split__fig img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-sm)}
.split__fig--sq img{aspect-ratio:4/3}

/* ---------- Business cards ---------- */
.bizgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2.4vw,32px)}
.bizcard{position:relative;display:block;background:var(--ink);border-radius:var(--r-sm);overflow:hidden;isolation:isolate}
.bizcard__img{aspect-ratio:1/1}
.bizcard__img img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.bizcard:hover .bizcard__img img{transform:scale(1.05)}
.bizcard__body{position:absolute;inset:auto 0 0;padding:26px 24px;z-index:1;
  background:linear-gradient(to top,rgba(15,27,45,.94) 20%,rgba(15,27,45,0) 100%)}
.bizcard__no{font-family:"Inter",sans-serif;font-size:var(--fs-xs);letter-spacing:.2em;color:var(--aqua);display:block;margin-bottom:8px}
.bizcard__ttl{font-size:1.0rem;color:#fff;line-height:1.65;letter-spacing:.02em}
.bizcard__txt{margin-top:10px;font-size:var(--fs-sm);color:rgba(255,255,255,.66);line-height:1.9}

/* ---------- Business detail ---------- */
.bizrow{display:grid;grid-template-columns:0.9fr 1.1fr;gap:clamp(36px,5vw,76px);align-items:center;
  padding-block:clamp(48px,6vw,84px);border-top:1px solid var(--line)}
.bizrow:first-of-type{border-top:0}
.bizrow--rev .bizrow__fig{order:2}
.bizrow__fig img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:var(--r-sm)}
.bizrow__no{font-family:"Inter",sans-serif;font-size:2.6rem;font-weight:700;line-height:1;color:var(--blue);opacity:.22;display:block;margin-bottom:14px}
.bizrow h3{font-size:var(--fs-h3);margin-bottom:18px}
.taglist{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.taglist li{font-size:var(--fs-sm);letter-spacing:.02em;color:var(--slate);
  border:1px solid var(--line);border-radius:var(--r-pill,999px);padding:6px 14px;background:var(--white)}

/* ---------- Approach ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,2.2vw,28px);counter-reset:st}
.step{position:relative;padding-top:34px}
.step::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:repeating-linear-gradient(90deg,var(--aqua) 0 6px,transparent 6px 12px)}
.step:last-child::before{background:var(--blue)}
.step__no{font-family:"Inter",sans-serif;font-size:var(--fs-xs);letter-spacing:.2em;color:var(--blue);display:block;margin-bottom:12px}
.step h3{font-size:1.02rem;margin-bottom:12px}
.step p{font-size:var(--fs-sm);color:var(--slate);line-height:1.95}
.sec--ink .step p{color:rgba(255,255,255,.66)}
.sec--ink .step__no{color:var(--aqua)}

/* ---------- Statement ---------- */
.stmt{text-align:center;max-width:900px;margin-inline:auto}
.stmt__en{font-family:"Inter",sans-serif;font-size:clamp(1.4rem,3.4vw,2.5rem);font-weight:600;
  letter-spacing:.02em;line-height:1.5;color:#fff;margin-bottom:24px}
.stmt__en em{font-style:normal;color:var(--aqua)}
.stmt__jp{color:rgba(255,255,255,.66);letter-spacing:.08em}

/* ---------- Info table ---------- */
.info{border-top:1px solid var(--line)}
.info tr{border-bottom:1px solid var(--line)}
.info th,.info td{text-align:left;vertical-align:top;padding:24px 8px;font-size:.94rem;line-height:1.95}
.info th{width:210px;font-weight:700;letter-spacing:.06em;white-space:nowrap}
.info td{color:var(--slate)}
.info td ul li{position:relative;padding-left:16px}
.info td ul li::before{content:"";position:absolute;left:0;top:.85em;width:6px;height:1px;background:var(--blue)}

/* ---------- Message ---------- */
.msg__pull{
  font-size:var(--fs-lead);line-height:2.1;font-weight:700;letter-spacing:.02em;
  padding-left:clamp(18px,2.4vw,28px);border-left:2px solid var(--blue);
  margin-bottom:clamp(30px,4vw,46px);
}
.sign{
  margin-top:clamp(40px,5vw,60px);padding-top:26px;border-top:1px solid var(--line);
  text-align:right;font-size:var(--fs-sm);color:var(--slate);line-height:1.9;
}
.sign span{display:block}
.sign b{display:inline-block;margin-top:8px;font-size:1.2rem;color:var(--ink);letter-spacing:.14em}
@media (max-width:620px){
  .pc-br{display:none}
  .sign{text-align:left}
}

/* ---------- CTA band ---------- */
.cta{position:relative;overflow:hidden;background:var(--ink)}
.cta__bg{position:absolute;inset:0}
.cta__bg img{width:100%;height:100%;object-fit:cover}
.cta::after{content:"";position:absolute;inset:0;background:rgba(11,20,36,.8)}
.cta__inner{position:relative;z-index:1;text-align:center;padding:clamp(72px,9vw,124px) var(--gutter);
  max-width:760px;margin-inline:auto}
.cta h2{font-size:var(--fs-h2);color:#fff;margin-bottom:20px;letter-spacing:.03em}
.cta p{color:rgba(255,255,255,.72);margin-bottom:36px;line-height:2.1}
.cta__acts{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- Form ---------- */
.form{display:grid;gap:26px}
.field{display:grid;gap:10px}
.field label{font-size:.86rem;font-weight:700;letter-spacing:.05em;display:flex;align-items:center;gap:10px}
.req{font-size:var(--fs-xs);font-weight:600;letter-spacing:.1em;color:#fff;background:var(--blue);padding:3px 8px;border-radius:2px}
.opt{font-size:var(--fs-xs);font-weight:600;letter-spacing:.1em;color:var(--slate);border:1px solid var(--line);padding:2px 8px;border-radius:2px}
.field input,.field select,.field textarea{
  width:100%;font:inherit;font-size:.95rem;color:var(--ink);
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:14px 16px;transition:.25s var(--ease)
}
.field textarea{min-height:190px;resize:vertical;line-height:1.9}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(31,79,216,.12)}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:var(--fs-sm);color:var(--slate);line-height:1.9}
.consent input{width:18px;height:18px;flex:none;margin-top:4px;accent-color:var(--blue)}
.form__submit{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:8px}
.form__note{font-size:var(--fs-sm);color:var(--slate)}

.contactinfo{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(24px,3vw,44px)}
.contactinfo__item{border-top:1px solid var(--line);padding-top:22px}
.contactinfo__item h3{font-size:.9rem;letter-spacing:.08em;margin-bottom:10px}
.contactinfo__item p{font-size:var(--fs-sm);color:var(--slate);line-height:1.95}

/* ---------- Footer ---------- */
.ft{background:var(--ink);color:rgba(255,255,255,.6);padding:clamp(56px,7vw,84px) 0 34px}
.ft__top{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(36px,5vw,80px);
  padding-bottom:48px;border-bottom:1px solid var(--line-dk)}
.ft .logo__txt{color:#fff;font-size:.95rem}
.ft__addr{margin-top:24px;font-size:var(--fs-sm);line-height:2.1}
.ft__nav{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 24px;align-content:start}
.ft__nav a{font-size:var(--fs-sm);letter-spacing:.05em;transition:.3s var(--ease)}
.ft__nav a:hover{color:var(--aqua)}
.ft__btm{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;padding-top:26px;
  font-family:"Inter",sans-serif;font-size:var(--fs-xs);letter-spacing:.1em;color:rgba(255,255,255,.42)}

/* ---------- Reveal ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.rv.is-in{opacity:1;transform:none}
.rv-d1{transition-delay:.09s}.rv-d2{transition-delay:.18s}.rv-d3{transition-delay:.27s}
.rv-d4{transition-delay:.36s}.rv-d5{transition-delay:.45s}.rv-d6{transition-delay:.54s}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .hero__scroll i::after{animation:none}
}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .bizgrid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:34px 24px}
}
@media (max-width:860px){
  .nav,.hd__cta .btn{display:none}
  .burger{display:block}
  .split,.bizrow{grid-template-columns:1fr;gap:32px}
  .split--rev .split__fig,.bizrow--rev .bizrow__fig{order:0}
  .ft__top{grid-template-columns:1fr;gap:40px}
  .hero__inner{padding-top:120px;padding-bottom:120px}
  .phead{padding:132px var(--gutter) 68px}
}
@media (max-width:620px){
  body{line-height:1.9}
  .bizgrid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .info th,.info td{display:block;width:auto;padding:0}
  .info th{padding-top:20px}
  .info td{padding:6px 0 20px}
  .contactinfo{grid-template-columns:1fr}
  .hero__scroll{display:none}
  .btn{width:100%;justify-content:space-between}
  .hero__acts .btn,.cta__acts .btn{width:auto;justify-content:center}
}

/* ---------- Anchor offset ---------- */
.bizrow,[id]{scroll-margin-top:96px}

/* ---------- Texture ---------- */
.sec--paper{position:relative;isolation:isolate}
.sec--paper::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:url("../images/texture-grid.png");
  background-size:660px auto;
  background-repeat:repeat;
  opacity:.55;
}
.phead__bg::after{
  content:"";position:absolute;inset:0;
  background-image:url("../images/texture-grid.png");
  background-size:520px auto;opacity:.18;
}

/* ---------- Mail link ---------- */
.mailto{font-family:"Inter",sans-serif;letter-spacing:.02em;border-bottom:1px solid currentColor;padding-bottom:2px;display:inline-block;margin-top:6px}
.mailto:hover{opacity:.7}
.contactinfo{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}

/* =========================================================
   Motion & Detail — v2
   ========================================================= */

/* ---------- スクロール進捗バー ---------- */
.progress{position:fixed;inset:0 0 auto;height:2px;z-index:200;background:transparent;pointer-events:none}
.progress__bar{height:100%;width:100%;transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--aqua),var(--blue));transition:transform .12s linear}

/* ---------- 粒状ノイズ ---------- */
.grain{position:fixed;inset:-50%;z-index:150;pointer-events:none;opacity:.14;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  animation:grainshift 6s steps(6) infinite}
@keyframes grainshift{
  0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}
  60%{transform:translate(-2%,-2%)}80%{transform:translate(3%,1%)}100%{transform:translate(0,0)}}

/* ---------- 見出しのワイプアップ ---------- */
.rv-mask{clip-path:inset(0 0 102% 0);opacity:1;transform:none;
  transition:clip-path 1.15s cubic-bezier(.16,.84,.28,1)}
.rv-mask.is-in{clip-path:inset(0 0 -8% 0)}

/* ---------- ヒーロー：入場アニメーション ---------- */
.hero__slide img{transform:scale(1.005);transition:transform 9s linear}
.hero__slide.is-on img{transform:scale(1.075)}

.hero__inner{z-index:1}

.hero__en,.hero__ttl,.hero__sub,.hero__acts{
  opacity:0;transform:translateY(26px);
  transition:opacity 1.1s var(--ease),transform 1.1s var(--ease);
}
body.is-ready .hero__en{opacity:1;transform:none;transition-delay:.15s}
body.is-ready .hero__ttl{opacity:1;transform:none;transition-delay:.3s}
body.is-ready .hero__sub{opacity:1;transform:none;transition-delay:.52s}
body.is-ready .hero__acts{opacity:1;transform:none;transition-delay:.7s}

.hero__ttl{font-weight:700;line-height:1.36;letter-spacing:.035em}
.hero__ttl em{position:relative;display:inline-block}
.hero__ttl em::after{content:"";position:absolute;left:0;right:0;bottom:-.12em;height:2px;
  background:var(--aqua);transform:scaleX(0);transform-origin:0 50%;
  transition:transform 1s var(--ease) 1.15s}
body.is-ready .hero__ttl em::after{transform:scaleX(1)}

/* ---------- マーキー帯 ---------- */
.marquee{overflow:hidden;background:var(--ink);border-block:1px solid rgba(255,255,255,.08);
  padding-block:26px;white-space:nowrap;position:relative}
.marquee::before,.marquee::after{content:"";position:absolute;top:0;bottom:0;width:14vw;z-index:1}
.marquee::before{left:0;background:linear-gradient(90deg,var(--ink),transparent)}
.marquee::after{right:0;background:linear-gradient(270deg,var(--ink),transparent)}
.marquee__track{display:inline-flex;align-items:center;gap:0;animation:marquee 34s linear infinite}
.marquee__track span{
  font-family:"Inter",sans-serif;font-size:clamp(1.4rem,3.2vw,2.6rem);font-weight:600;
  letter-spacing:.02em;color:rgba(255,255,255,.9);padding-inline:28px;display:inline-flex;align-items:center;gap:28px}
.marquee__track span i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--aqua);flex:none}
.marquee__track span:nth-child(even){color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.34)}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.marquee:hover .marquee__track{animation-play-state:paused}

/* ---------- 事業カードのホバー ---------- */
.bizcard{transition:transform .6s var(--ease)}
.bizcard::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  border:1px solid transparent;transition:border-color .5s var(--ease)}
.bizcard:hover{transform:translateY(-6px)}
.bizcard:hover::after{border-color:rgba(95,211,196,.5)}
.bizcard__body{transition:padding-bottom .5s var(--ease)}
.bizcard:hover .bizcard__body{padding-bottom:34px}
.bizcard__go{
  position:absolute;right:22px;bottom:24px;z-index:2;width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(255,255,255,.35);display:grid;place-items:center;
  opacity:0;transform:translateX(-8px);transition:.5s var(--ease)}
.bizcard__go svg{width:14px;height:8px}
.bizcard:hover .bizcard__go{opacity:1;transform:none;background:var(--blue);border-color:var(--blue)}

/* ---------- パララックス ---------- */
.split__fig,.bizrow__fig,.phead__bg,.cta__bg{overflow:hidden;border-radius:var(--r-sm)}
.phead__bg,.cta__bg{border-radius:0}
[data-parallax]{will-change:transform}

/* ---------- リンク下線スイープ ---------- */
.link-arrow{position:relative;overflow:hidden}
.link-arrow::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:var(--blue);transform:scaleX(0);transform-origin:100% 50%;transition:transform .5s var(--ease)}
.link-arrow:hover::after{transform:scaleX(1);transform-origin:0 50%}
.sec--ink .link-arrow::after{background:var(--aqua)}

/* ---------- ステップの点灯 ---------- */
.step{transition:transform .5s var(--ease)}
.step:hover{transform:translateY(-4px)}
.step::before{transform:scaleX(0);transform-origin:0 50%;transition:transform 1.1s var(--ease) .35s}
.step.is-in::before{transform:scaleX(1)}

/* ---------- ステートメントの強調 ---------- */
.stmt__en{position:relative;display:inline-block}
.sec--ink{position:relative;overflow:hidden}
.sec--ink::before{content:"";position:absolute;left:50%;top:50%;width:min(120vw,1100px);aspect-ratio:1;
  transform:translate(-50%,-50%);pointer-events:none;
  background:radial-gradient(circle,rgba(31,79,216,.28) 0%,rgba(95,211,196,.10) 38%,transparent 66%)}
.sec--ink .wrap{position:relative;z-index:1}

/* ---------- ボタンの微調整 ---------- */
.btn{position:relative;overflow:hidden}
.btn--primary{box-shadow:0 6px 26px rgba(31,79,216,.28)}
.btn--primary:hover{box-shadow:0 10px 34px rgba(31,79,216,.42);transform:translateY(-2px)}
.btn--onink:hover,.btn--line:hover{transform:translateY(-2px)}

@media (prefers-reduced-motion:reduce){
  .grain,.marquee__track{animation:none}
  .hero__slide.is-on img{transform:none;transition:none}
  .rv-mask{clip-path:none;transition:none}
  .hero__en,.hero__ttl,.hero__sub,.hero__acts{opacity:1;transform:none;transition:none}
  [data-parallax]{transform:none !important}
}