/* Digital Media Strategies — site stylesheet */
:root{
  --purple:#1e024c;
  --deep:#120130;
  --accent:#9d7bff;
  --accent2:#6c3fd4;
  --cyan:#5fd4e8;
  --text:#e8e2f5;
  --gray:#9b91b5;
  --line:rgba(157,123,255,.18);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:'Noto Sans JP','Helvetica Neue',Arial,sans-serif;background:var(--deep);color:var(--text);line-height:1.8;-webkit-font-smoothing:antialiased;}
img{max-width:100%;height:auto;}
a{color:var(--accent);}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(18,1,48,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav{max-width:1140px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;}
.nav .brand img{height:40px;display:block;}
.nav ul{display:flex;gap:28px;list-style:none;align-items:center;}
.nav ul a{text-decoration:none;color:var(--text);font-size:14px;transition:color .2s;}
.nav ul a:hover,.nav ul a.current{color:var(--accent);}
.lang-switch{border:1px solid rgba(157,123,255,.4);border-radius:18px;padding:4px 14px;font-size:13px;color:var(--accent)!important;}
.menu-btn{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.menu-btn span{display:block;width:22px;height:2px;background:var(--text);margin:5px 0;transition:.3s;}

/* Hero (home) */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden;}
#net{position:absolute;inset:0;width:100%;height:100%;}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(30,2,76,0) 0%,rgba(18,1,48,.85) 75%);pointer-events:none;}
.hero-in{position:relative;z-index:3;max-width:1140px;margin:0 auto;padding:140px 24px 80px;width:100%;}
.hero h1{font-size:clamp(30px,4.6vw,52px);font-weight:900;line-height:1.5;color:#fff;max-width:820px;}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--accent),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero .lead{margin-top:26px;color:var(--gray);max-width:640px;font-size:16px;}

/* Page hero (subpages) */
.page-hero{position:relative;padding:150px 24px 60px;background:radial-gradient(ellipse at 70% 0%,rgba(108,63,212,.3),transparent 60%);border-bottom:1px solid var(--line);}
.page-hero-in{max-width:1140px;margin:0 auto;}
.page-hero h1{font-size:clamp(28px,3.6vw,40px);font-weight:900;color:#fff;}
.page-hero .lead{color:var(--gray);margin-top:14px;max-width:680px;}
.kicker{color:var(--cyan);font-size:13px;letter-spacing:.25em;font-weight:500;margin-bottom:14px;}

/* Buttons */
.btns{margin-top:40px;display:flex;gap:16px;flex-wrap:wrap;}
.btn-primary{display:inline-block;background:linear-gradient(90deg,var(--accent2),var(--accent));color:#fff;text-decoration:none;font-weight:700;padding:14px 36px;border-radius:8px;font-size:15px;box-shadow:0 0 30px rgba(157,123,255,.35);transition:transform .2s;}
.btn-primary:hover{transform:translateY(-2px);}
.btn-ghost{display:inline-block;border:1px solid rgba(157,123,255,.5);color:var(--text);text-decoration:none;font-weight:500;padding:14px 36px;border-radius:8px;font-size:15px;transition:border-color .2s;}
.btn-ghost:hover{border-color:var(--accent);}

/* Stats */
.stats{display:flex;gap:60px;margin-top:64px;flex-wrap:wrap;}
.stat b{font-size:40px;font-weight:900;color:#fff;}
.stat b i{font-style:normal;color:var(--accent);}
.stat span{display:block;font-size:13px;color:var(--gray);margin-top:2px;}

/* Sections */
.section{max-width:1140px;margin:0 auto;padding:96px 24px 0;}
.section:last-of-type{padding-bottom:20px;}
h2.sec{font-size:30px;font-weight:900;color:#fff;}
h2.sec small{display:block;font-size:13px;letter-spacing:.25em;color:var(--cyan);font-weight:500;margin-bottom:10px;}
.sec-lead{color:var(--gray);max-width:680px;margin-top:16px;}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px;}
.card{background:linear-gradient(160deg,rgba(157,123,255,.10),rgba(157,123,255,.03));border:1px solid var(--line);border-radius:14px;padding:32px 26px;transition:.3s;}
.card:hover{border-color:rgba(157,123,255,.55);transform:translateY(-4px);}
.card h3{color:#fff;font-size:17px;margin-bottom:12px;}
.card h3::before{content:"▸ ";color:var(--cyan);}
.card p{font-size:14px;color:var(--gray);}
.cards-2{grid-template-columns:repeat(2,1fr);}

/* Chips */
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;}
.chip{border:1px solid rgba(157,123,255,.4);border-radius:24px;padding:8px 22px;font-size:14px;color:var(--text);background:rgba(157,123,255,.06);}

/* List blocks */
.tag-list{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:24px;font-size:14px;color:var(--gray);}
.tag-list span::before{content:"+ ";color:var(--cyan);}

/* Flow */
.flow{display:flex;align-items:stretch;gap:0;margin-top:48px;flex-wrap:wrap;}
.flow-step{flex:1;min-width:150px;text-align:center;position:relative;padding:28px 12px;}
.flow-step .n{font-size:34px;font-weight:900;color:#fff;}
.flow-step .n i{font-style:normal;color:var(--accent);font-size:20px;}
.flow-step .t{font-size:14px;color:var(--gray);margin-top:4px;}
.flow-step:not(:last-child)::after{content:"→";position:absolute;right:-10px;top:50%;transform:translateY(-50%);color:var(--cyan);font-size:22px;}
.flow-note{color:var(--gray);font-size:13.5px;margin-top:18px;}

/* About */
.about-grid{display:grid;grid-template-columns:300px 1fr;gap:48px;margin-top:44px;align-items:start;}
.about-grid img{border-radius:14px;border:1px solid var(--line);}
.profile p{color:var(--gray);font-size:15px;margin-bottom:16px;}
.profile p strong{color:var(--text);}
.profile ul{list-style:none;margin:18px 0;}
.profile li{color:var(--gray);font-size:14.5px;padding:7px 0 7px 22px;position:relative;border-bottom:1px solid rgba(157,123,255,.1);}
.profile li::before{content:"◆";color:var(--accent);position:absolute;left:0;font-size:10px;top:13px;}
.company-table{width:100%;margin-top:40px;border-collapse:collapse;}
.company-table th,.company-table td{text-align:left;padding:16px 12px;border-bottom:1px solid var(--line);font-size:14.5px;vertical-align:top;}
.company-table th{color:var(--cyan);font-weight:500;white-space:nowrap;width:160px;}
.company-table td{color:var(--gray);}
.pub-list{margin-top:36px;display:grid;gap:14px;}
.pub{border:1px solid var(--line);border-radius:12px;padding:20px 24px;background:rgba(157,123,255,.04);}
.pub a{color:#fff;text-decoration:none;font-weight:700;font-size:15.5px;}
.pub a:hover{color:var(--accent);}
.pub span{display:block;color:var(--gray);font-size:13.5px;margin-top:4px;}

/* Contact */
.contact-box{max-width:640px;margin:48px auto 0;text-align:center;border:1px solid var(--line);border-radius:16px;padding:56px 36px;background:linear-gradient(160deg,rgba(157,123,255,.08),rgba(157,123,255,.02));}
.contact-box .mail{font-size:clamp(18px,3vw,26px);font-weight:700;margin-top:10px;word-break:break-all;}
.contact-box .mail a{color:#fff;text-decoration:none;border-bottom:2px solid var(--accent);}
.contact-box .mail a:hover{color:var(--accent);}
.contact-links{margin-top:28px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

/* Contact form */
.contact-form-box{text-align:left;max-width:680px;}
.contact-form{margin-top:6px;}
.form-row{margin-bottom:22px;}
.form-row label{display:block;font-size:14px;color:var(--text);font-weight:500;margin-bottom:8px;}
.form-row label i{font-style:normal;font-size:11px;color:var(--cyan);border:1px solid rgba(95,212,232,.4);border-radius:4px;padding:1px 7px;margin-left:8px;vertical-align:1px;}
.form-row input,.form-row textarea{width:100%;background:rgba(18,1,48,.6);border:1px solid rgba(157,123,255,.35);border-radius:8px;padding:12px 14px;color:#fff;font-size:15px;font-family:inherit;transition:border-color .2s;}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(157,123,255,.15);}
.form-submit{border:none;cursor:pointer;width:100%;font-family:inherit;}
.form-success{background:rgba(95,212,232,.1);border:1px solid rgba(95,212,232,.4);border-radius:8px;padding:14px 18px;color:var(--cyan);font-size:14.5px;margin-bottom:20px;}

/* Case study quote (EN) */
.case-box{margin-top:44px;border:1px solid var(--line);border-radius:16px;padding:40px 36px;background:linear-gradient(160deg,rgba(157,123,255,.10),rgba(157,123,255,.03));}
.case-box h3{color:#fff;font-size:17px;margin-bottom:14px;}
.case-box p{color:var(--gray);font-size:14.5px;}
.case-quote{margin:28px 0 0;padding-left:22px;border-left:3px solid var(--cyan);}
.case-quote p{color:var(--text);font-size:15.5px;font-style:italic;line-height:1.9;}
.case-quote cite{display:block;margin-top:14px;color:var(--gray);font-style:normal;font-size:13.5px;}

/* CTA band */
.cta-band{margin-top:110px;border-top:1px solid var(--line);padding:80px 24px;text-align:center;background:radial-gradient(ellipse at 50% 100%,rgba(108,63,212,.25),transparent 70%);}
.cta-band h2{font-size:28px;font-weight:900;color:#fff;}
.cta-band p{color:var(--gray);margin:14px 0 32px;}

/* Footer */
.site-footer{padding:36px 24px;border-top:1px solid rgba(157,123,255,.1);}
.footer-in{max-width:1140px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:#6e6490;}
.footer-in a{color:#8d82ad;text-decoration:none;margin-left:18px;}
.footer-in a:hover{color:var(--accent);}

/* Responsive */
@media(max-width:860px){
  .cards,.cards-2{grid-template-columns:1fr;}
  .about-grid{grid-template-columns:1fr;}
  .about-grid img{max-width:300px;}
  .stats{gap:32px;}
  .menu-btn{display:block;}
  .nav ul{position:fixed;top:69px;right:0;left:0;background:rgba(18,1,48,.97);flex-direction:column;gap:0;padding:10px 0 20px;display:none;border-bottom:1px solid var(--line);}
  .nav ul.open{display:flex;}
  .nav ul li{width:100%;text-align:center;}
  .nav ul a{display:block;padding:13px 0;font-size:15px;}
  .lang-switch{display:inline-block;margin-top:8px;}
  .flow-step:not(:last-child)::after{display:none;}
  .flow-step{min-width:45%;}
}