/* First Step Movie — use-case pages (exhibition / service-launch / onboarding). Light theme, storyboard composition. */
:root{
  --blue:#1552D4;--blue-dark:#1045B6;--blue-soft:#E7EFFD;--blue-line:#B7CAED;
  --navy:#142B40;--ink:#223548;--muted:#566578;--line:#DFE6EE;--paper:#F8FAFD;--tint:#EAF1FD;--screen:#0B1222;
  --font:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,system-ui,sans-serif;
  --latin:Inter,"Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;color:var(--ink);background:#fff;font-family:var(--font);font-size:16px;line-height:1.85;letter-spacing:.01em;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-underline-offset:4px}
p a:not(.button){color:var(--blue);font-weight:700;text-decoration-color:var(--blue-line)}
p a:not(.button):hover{text-decoration-color:var(--blue)}
button,input,textarea{font:inherit}
button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible,video:focus-visible{outline:3px solid var(--navy);outline-offset:4px}
::selection{background:#D8E6FF}
h1,h2,h3{font-feature-settings:"palt";color:var(--navy)}
h1{font-size:clamp(2.4rem,5.6vw,4.6rem);line-height:1.18;letter-spacing:-.045em;margin:14px 0 22px;font-weight:900;text-wrap:balance}
h2{font-size:clamp(1.9rem,3.8vw,3rem);line-height:1.35;letter-spacing:-.03em;margin:0 0 24px;font-weight:900;text-wrap:balance}
h3{font-size:1.15rem;line-height:1.65;margin:0 0 12px;font-weight:700}
p{margin:0 0 20px}
.wrap{width:min(1180px,90%);margin:auto}
.section{padding-top:110px;padding-bottom:110px}
.skip{position:absolute;top:-100px;left:12px;background:#fff;color:var(--blue);border:1px solid var(--blue);padding:10px 16px;border-radius:8px;font-weight:700;text-decoration:none;z-index:100}
.skip:focus{top:12px}
[hidden]{display:none!important}

/* Latin labels */
.eyebrow,.audience,.amount,.pain span,.story .eyebrow,.flow li::marker,.hero__cap{font-family:var(--latin)}
.eyebrow{display:flex;align-items:center;gap:12px;font-size:.76rem;letter-spacing:.2em;font-weight:700;margin:0 0 22px;color:var(--blue);text-transform:uppercase}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--blue);flex:none}

/* Header */
header{position:sticky;top:0;z-index:40;min-height:72px;padding:10px max(5vw,20px);display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
nav{display:flex;align-items:center;gap:2px}
nav a{position:relative;text-decoration:none;font-weight:700;font-size:.9rem;color:var(--navy);display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border-radius:8px}
nav a:not(.button)::after{content:"";position:absolute;left:12px;right:100%;bottom:6px;height:2px;background:var(--blue);transition:right .25s var(--ease)}
nav a:not(.button):hover::after{right:12px}
nav .button{margin-left:10px}
.brand{display:inline-flex;align-items:center;font-family:var(--latin);font-size:1.5rem;font-weight:800;letter-spacing:-.05em;text-decoration:none;white-space:nowrap;color:var(--navy);line-height:1.2}
.brand span{color:var(--blue)}
.brand small{display:inline-block;font-family:var(--latin);letter-spacing:.24em;font-size:.62rem;font-weight:700;color:var(--blue);background:var(--blue-soft);border-radius:999px;padding:5px 10px 4px;margin-left:14px;line-height:1}

/* Buttons */
.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:12px 26px;background:var(--blue);color:#fff;text-decoration:none;font-weight:700;border:1px solid var(--blue);border-radius:999px;box-shadow:0 10px 24px -10px rgba(21,82,212,.45);cursor:pointer;text-align:center;line-height:1.5;transition:background .2s,transform .25s var(--ease),box-shadow .25s var(--ease)}
.button:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(21,82,212,.5)}
.button.white{background:#fff;color:var(--blue);box-shadow:none}
.button.white:hover{background:var(--blue-soft)}
.compact{padding:8px 18px;min-height:44px;font-size:.9rem;box-shadow:none}
.sub-link{font-size:.95rem;font-weight:700;color:var(--blue);display:inline-flex;align-items:center;gap:8px;min-height:44px;text-decoration:none;border-bottom:1px solid var(--blue-line);padding-bottom:2px}
.sub-link:hover{border-color:var(--blue)}
.outline{display:inline-flex;align-items:center;justify-content:center;min-height:56px;padding:12px 20px;color:var(--blue);border:1px solid var(--blue);border-radius:999px;background:#fff;cursor:pointer;font-weight:700;transition:background .18s}
.outline:hover{background:var(--blue-soft)}

/* Hero */
.hero{position:relative;isolation:isolate;overflow:clip;padding:72px 0 84px;background:
  radial-gradient(60% 50% at 100% 0%,rgba(21,82,212,.10),transparent 70%),
  linear-gradient(180deg,#fff,#F3F7FF 75%,#EAF1FD)}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:120px 120px;opacity:.45;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 85%);mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 85%)}
.hero>.wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,1fr);gap:clamp(32px,5vw,72px);align-items:center}
.hero .eyebrow{margin-bottom:18px}
.audience{font-size:.8rem;letter-spacing:.06em;font-weight:700;color:var(--navy);margin:0;display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-family:var(--font)}
.lead{font-size:1.05rem;max-width:30em;line-height:2;color:var(--ink)}
.hero-action{display:flex;align-items:center;flex-wrap:wrap;gap:14px 26px;margin:30px 0}
.hero-spec{font-size:.95rem;margin:0;max-width:560px;border-top:1px solid var(--line);padding-top:22px;color:var(--ink);line-height:1.9}
.hero-spec strong{font-family:var(--latin),var(--font);font-size:1.6rem;color:var(--navy);letter-spacing:-.02em}
.hero__visual{position:relative;margin:0;min-width:0}
.hero__image{position:relative;z-index:1;display:block;width:100%;height:auto;aspect-ratio:16/11;object-fit:cover;object-position:60% 45%;border-radius:22px;box-shadow:0 40px 80px -30px rgba(20,43,64,.45)}
.hero__visual::before{content:"";position:absolute;z-index:0;inset:14px -14px -14px 14px;border-radius:22px;border:1px solid var(--blue-line);pointer-events:none}
.hero__cap{position:absolute;z-index:2;left:18px;top:18px;display:inline-flex;align-items:center;gap:10px;padding:8px 14px;background:rgba(11,18,34,.72);color:#fff;font-size:.72rem;font-weight:700;letter-spacing:.14em;border-radius:999px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.hero__cap span{display:inline-flex;align-items:center;gap:6px;color:#FFB4B4}
.hero__cap span::before{content:"";width:8px;height:8px;border-radius:50%;background:#E53E3E;box-shadow:0 0 0 3px rgba(229,62,62,.3)}

/* Pain */
.pain{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:0;padding:0}
.pain li{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px 26px 12px;box-shadow:0 12px 30px -20px rgba(20,43,64,.25);transition:transform .35s var(--ease),border-color .3s}
.pain li:hover{border-color:var(--blue-line);transform:translateY(-4px)}
.pain span{font-weight:800;color:var(--blue-line);font-size:2.6rem;letter-spacing:-.05em;line-height:1;transition:color .3s}
.pain li:hover span{color:var(--blue)}
.pain p{font-size:1.1rem;font-weight:700;margin-top:18px;color:var(--navy);line-height:1.7}

/* Storyboard */
.pale{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-lead{max-width:760px;color:var(--muted)}
.story{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:48px 0 22px;padding-top:26px}
.story::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--blue-line))}
.story article{position:relative;padding:28px 22px 22px;background:#fff;border:1px solid var(--line);border-radius:18px;min-height:220px;box-shadow:0 12px 30px -20px rgba(20,43,64,.25);transition:transform .35s var(--ease)}
.story article::before{content:"";position:absolute;left:22px;top:-32px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--blue)}
.story article:hover{transform:translateY(-4px)}
.story .eyebrow{display:inline-flex;margin-bottom:18px;letter-spacing:.12em;font-size:.76rem;color:var(--blue);background:var(--blue-soft);border-radius:999px;padding:5px 12px}
.story .eyebrow::before{display:none}
.story h3{font-size:1.1rem}
.story p{font-size:.95rem;margin:0;color:var(--muted)}
.note{font-size:.875rem;color:var(--muted);line-height:1.9}
.sample{margin-top:36px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:6px 22px}
.sample video{display:block;width:min(720px,100%);margin:20px 0 16px;background:var(--screen);aspect-ratio:16/9;border-radius:12px}

/* Offer */
.offer{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}
.offer>div:last-child{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:34px 30px}
.amount{font-size:4.2rem;font-weight:800;line-height:1.1;margin:24px 0;color:var(--navy);letter-spacing:-.05em}
.amount small{font-family:var(--font);font-size:.875rem;font-weight:700;margin-left:10px;color:var(--ink);letter-spacing:0}
.offer>div:first-child>p:not(.eyebrow):not(.amount){color:var(--ink);font-weight:700}
.included{padding-left:22px;color:var(--ink)}
.included li{margin-bottom:12px}
.included li::marker{color:var(--blue)}

/* Flow */
.dark{background:var(--navy);color:#fff;border-radius:32px;margin:0 3%}
.dark .eyebrow{color:#9DBDFF}
.dark .eyebrow::before{background:#9DBDFF}
.dark h2,.dark h3{color:#fff}
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding-left:0;margin:40px 0 44px;list-style:none;counter-reset:flow}
.flow li{border-top:1px solid rgba(255,255,255,.25);padding-top:20px;counter-increment:flow}
.flow li::before{content:"0" counter(flow);display:block;font-family:var(--latin);font-weight:800;color:#9DBDFF;letter-spacing:.1em;font-size:.8rem;margin-bottom:12px}
.flow p{color:#CFDCEF;margin:0}
.preparation{border-top:1px solid rgba(255,255,255,.25);padding-top:28px;display:grid;grid-template-columns:1fr 1fr;gap:45px}
.preparation p{color:#CFDCEF;margin:0}

/* FAQ */
.faq{max-width:960px}
details{border-top:1px solid var(--line)}
details:last-of-type{border-bottom:1px solid var(--line)}
details.sample{border:1px solid var(--line)}
summary{cursor:pointer;font-weight:700;padding:22px 44px 22px 0;position:relative;list-style:none;line-height:1.6;color:var(--navy);font-size:1.02rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:4px;top:16px;color:var(--blue);font-family:var(--latin);font-size:1.6rem;line-height:1.25;font-weight:400;transition:transform .3s var(--ease)}
details[open] summary::after{transform:rotate(45deg)}
details p{margin:0 0 22px;color:var(--muted);padding-right:40px}
.sample summary{padding:18px 44px 18px 0}
.sample summary::after{top:12px}

/* Contact */
.contact-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:start}
.contact-layout>div:first-child p:not(.eyebrow):not(.note){color:var(--ink)}
.brief-box{background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px;box-shadow:0 20px 50px -30px rgba(20,43,64,.35)}
.brief-fields{display:grid;gap:22px;margin-bottom:18px}
label{display:block;font-size:.95rem;font-weight:700;color:var(--navy)}
input,textarea{display:block;width:100%;padding:13px 14px;margin-top:10px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font-size:1rem;transition:border-color .2s}
input:focus,textarea:focus{border-color:var(--blue)}
input::placeholder,textarea::placeholder{color:var(--muted);font-size:.875rem}
textarea{resize:vertical;font-weight:400;line-height:1.75}
#mail-result{margin-top:24px}
.mail-actions{display:flex;flex-wrap:wrap;gap:12px;margin:16px 0}
#mail-status{font-size:.95rem;color:var(--blue);font-weight:700;margin-top:15px}

/* Related */
.related{padding-top:40px;padding-bottom:40px;display:flex;gap:24px;flex-wrap:wrap;align-items:center;font-size:.9rem}
.related p{margin:0;width:100%;color:var(--muted)}
.related a{color:var(--blue);font-weight:700;display:inline-flex;align-items:center;min-height:44px;text-decoration:none;border-bottom:1px solid var(--blue-line)}
.related a:hover{border-color:var(--blue)}
.mobile-cta{display:none}

/* Reveal (JS + motion only) */
html.js [data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
html.js [data-reveal].is-in{opacity:1;transform:none}
html.js .pain [data-reveal]:nth-child(2),html.js .story [data-reveal]:nth-child(2){transition-delay:.12s}
html.js .pain [data-reveal]:nth-child(3),html.js .story [data-reveal]:nth-child(3){transition-delay:.24s}
html.js .story [data-reveal]:nth-child(4){transition-delay:.36s}
html.js .hero__copy,html.js .hero__visual{animation:rise 1s var(--ease) both}
html.js .hero__visual{animation-delay:.2s}
@keyframes rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}

@media(max-width:820px){
  .story{grid-template-columns:repeat(2,1fr)}
  .offer,.contact-layout{grid-template-columns:1fr;gap:35px}
  .section{padding-top:64px;padding-bottom:64px}
  .hero{padding:44px 0 56px}.hero>.wrap{grid-template-columns:1fr}
  .hero__image{aspect-ratio:16/10;border-radius:16px}.hero__visual::before{inset:10px -10px -10px 10px;border-radius:16px}
  .pain{gap:14px}.pain p{font-size:1rem}
  .dark{border-radius:20px}.flow{gap:24px}
  .brief-box{padding:24px}
  nav a:not(.button)::after{display:none}
}
@media(max-width:540px){
  html{scroll-padding-top:76px}
  header{gap:10px;padding:10px 5%;min-height:64px}.brand{font-size:1.35rem}.brand small{font-size:.56rem;margin-left:8px}
  nav{gap:12px}nav a:not(.button){display:none}nav .button{margin-left:0}
  .hero{padding:36px 0 48px}h1{font-size:clamp(2.1rem,9.6vw,3rem)}
  .hero-action{align-items:stretch;flex-direction:column;gap:16px}.sub-link{justify-content:center}
  .hero__cap{left:12px;top:12px;font-size:.64rem;padding:6px 10px}
  .pain,.flow,.preparation{grid-template-columns:1fr;gap:14px}.pain span{font-size:2rem}.pain p{font-size:1.05rem}
  .story{gap:12px;grid-template-columns:1fr;padding-top:0;margin-top:32px}.story::before{display:none}.story article::before{display:none}
  .story article{padding:20px 18px;min-height:0}.story h3{font-size:1.05rem}
  .amount{font-size:3.2rem}.offer>div:last-child{padding:24px 20px}
  .dark{margin:0 3%}.brief-box{padding:20px}.button{padding:12px 18px}
  .mobile-cta{position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:1fr 1.6fr;gap:10px;background:rgba(255,255,255,.98);border-top:1px solid var(--line);box-shadow:0 -10px 30px rgba(20,43,64,.08);z-index:30;padding:10px 14px calc(10px + env(safe-area-inset-bottom))}
  .mobile-cta a{display:inline-flex;align-items:center;justify-content:center;min-height:50px;text-align:center;padding:8px;text-decoration:none;font-weight:700;font-size:.9rem;line-height:1.4;color:var(--blue);background:#fff;border:1px solid var(--blue);border-radius:999px}
  .mobile-cta a:last-child{background:var(--blue);border-color:var(--blue);color:#fff}
  body{--fs-footer-dock:72px}.related{flex-direction:column;align-items:flex-start;gap:4px}
  .contact-layout h2{font-size:1.6rem}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
  html.js [data-reveal],html.js .hero__copy,html.js .hero__visual{opacity:1;transform:none}
  .button:hover,.pain li:hover,.story article:hover{transform:none}
}