/*
Theme Name: AOI Corp Theme
Theme URI: https://aoicorp.jp
Author: 株式会社 葵
Description: 株式会社葵 コーポレートサイト用テーマ v2（動画ヒーロー・写真実績入り）
Version: 2.0
*/

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;700;900&family=Bebas+Neue&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --purple:#6b3fa0;--purple-dark:#4e2d78;--purple-light:#e8dff5;--purple-mid:#9b6fc8;
  --white:#fff;--offwhite:#f8f6fc;--gray-light:#f0ecf8;--gray-mid:#c0b8d0;
  --gray-text:#5a5470;--dark:#1a1428;--border:#ddd8ee;
  --font-ja:'Noto Sans JP',sans-serif;--font-en:'Bebas Neue',sans-serif;
}
html{scroll-behavior:smooth}
body{background:var(--white);color:var(--dark);font-family:var(--font-ja);font-weight:300;line-height:1.8}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;justify-content:space-between;align-items:center;padding:18px 48px;background:rgba(255,255,255,0.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.nav-logo{font-family:var(--font-en);font-size:1.6rem;letter-spacing:.12em;color:var(--dark);text-decoration:none}
.nav-logo span{color:var(--purple)}
.nav-links{display:flex;gap:36px;list-style:none}
.nav-links a{color:var(--gray-text);text-decoration:none;font-size:.82rem;letter-spacing:.08em;transition:color .2s}
.nav-links a:hover{color:var(--purple)}
.nav-cta{background:var(--purple);color:var(--white);padding:10px 24px;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-decoration:none;border-radius:2px;transition:background .2s}
.nav-cta:hover{background:var(--purple-dark)}

/* HERO */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:140px 48px 80px;position:relative;overflow:hidden;background:#1a1428}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;opacity:.55}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(150deg,rgba(26,20,40,.7) 0%,rgba(107,63,160,.45) 60%,rgba(26,20,40,.6) 100%);z-index:1}
.hero-deco{position:absolute;right:-120px;top:50%;transform:translateY(-50%);width:560px;height:560px;border-radius:50%;border:1px solid rgba(255,255,255,.08);pointer-events:none;z-index:2}
.hero-deco::before{content:'';position:absolute;inset:40px;border-radius:50%;border:1px solid rgba(255,255,255,.05)}
.hero-eyebrow{font-size:.75rem;letter-spacing:.3em;color:rgba(255,255,255,.85);text-transform:uppercase;margin-bottom:28px;display:flex;align-items:center;gap:12px;position:relative;z-index:2}
.hero-eyebrow::before{content:'';width:32px;height:1px;background:rgba(255,255,255,.6)}
.hero-title{font-family:var(--font-en);font-size:clamp(3.2rem,8vw,7.5rem);line-height:.92;letter-spacing:.03em;color:#fff;position:relative;z-index:2}
.hero-title .line2{color:var(--purple-light)}
.hero-sub{margin-top:32px;max-width:460px;font-size:.97rem;color:rgba(255,255,255,.85);line-height:2.1;position:relative;z-index:2}
.hero-meta{margin-top:52px;display:flex;align-items:center;gap:44px;flex-wrap:wrap;position:relative;z-index:2}
.hero-stat .num{font-family:var(--font-en);font-size:2.8rem;color:#fff;line-height:1}
.hero-stat .num span{font-size:1.1rem;color:var(--purple-light)}
.hero-stat .label{font-size:.7rem;color:rgba(255,255,255,.7);letter-spacing:.1em;margin-top:4px}
.hero-divider{width:1px;height:48px;background:rgba(255,255,255,.3)}
.hero-cta{margin-top:52px;display:flex;gap:16px;flex-wrap:wrap;position:relative;z-index:2}
.scroll-hint{position:absolute;bottom:36px;left:48px;display:flex;align-items:center;gap:12px;font-size:.68rem;letter-spacing:.22em;color:rgba(255,255,255,.7);z-index:2}
.scroll-hint::before{content:'';width:36px;height:1px;background:rgba(255,255,255,.6);animation:scrollLine 1.8s ease-in-out infinite}
@keyframes scrollLine{0%{transform:scaleX(0);transform-origin:left}50%{transform:scaleX(1);transform-origin:left}51%{transform-origin:right}100%{transform:scaleX(0);transform-origin:right}}

/* BUTTONS */
.btn-primary{background:var(--purple);color:var(--white);padding:15px 40px;font-weight:700;font-size:.88rem;letter-spacing:.08em;text-decoration:none;display:inline-block;border-radius:2px;transition:background .2s}
.btn-primary:hover{background:var(--purple-dark)}
.btn-outline{border:1.5px solid rgba(255,255,255,.7);color:#fff;padding:14px 40px;font-size:.88rem;letter-spacing:.08em;text-decoration:none;display:inline-block;border-radius:2px;transition:background .2s,color .2s}
.btn-outline:hover{background:rgba(255,255,255,.15)}
.btn-white{background:var(--white);color:var(--purple);padding:15px 44px;font-weight:700;font-size:.88rem;letter-spacing:.08em;text-decoration:none;display:inline-block;border-radius:2px;transition:opacity .2s}
.btn-white:hover{opacity:.9}

/* SECTIONS */
section{padding:100px 48px}
.section-eyebrow{font-size:.72rem;letter-spacing:.3em;color:var(--purple);text-transform:uppercase;margin-bottom:12px}
.section-title{font-family:var(--font-en);font-size:clamp(2rem,5vw,3.4rem);letter-spacing:.05em;line-height:1.1;margin-bottom:20px;color:var(--dark)}
.section-lead{font-size:.93rem;color:var(--gray-text);max-width:540px;line-height:2.1}

/* SERVICES */
.services{background:var(--offwhite)}
.services-grid{margin-top:60px;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.service-card{background:var(--white);padding:44px 32px;border:1px solid var(--border);border-radius:4px;position:relative;overflow:hidden;transition:box-shadow .3s,border-color .3s}
.service-card:hover{box-shadow:0 8px 32px rgba(107,63,160,.12);border-color:var(--purple-mid)}
.service-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--purple),var(--purple-mid));transform:scaleX(0);transform-origin:left;transition:transform .3s}
.service-card:hover::after{transform:scaleX(1)}
.service-icon{font-size:2rem;margin-bottom:20px;display:block}
.service-name{font-size:1.05rem;font-weight:700;margin-bottom:12px;color:var(--dark)}
.service-desc{font-size:.84rem;color:var(--gray-text);line-height:1.95}
.service-tag{display:inline-block;margin-top:20px;font-size:.68rem;letter-spacing:.14em;color:var(--purple);background:var(--purple-light);padding:4px 12px;border-radius:2px}

/* WORKS */
.works{background:var(--white)}
.works-grid{margin-top:60px;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.work-card{border:1px solid var(--border);border-radius:4px;overflow:hidden;transition:box-shadow .3s,border-color .3s;background:var(--offwhite)}
.work-card:hover{box-shadow:0 4px 24px rgba(107,63,160,.13);border-color:var(--purple-mid)}
.work-img-wrap{width:100%;height:200px;overflow:hidden;background:#e8dff5}
.work-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.work-card:hover .work-img-wrap img{transform:scale(1.04)}
.work-cat{font-size:.68rem;letter-spacing:.2em;color:var(--purple-mid);text-transform:uppercase;margin:20px 24px 8px;font-weight:700}
.work-title{font-size:1rem;font-weight:700;margin:0 24px 10px;color:var(--dark)}
.work-desc{font-size:.82rem;color:var(--gray-text);line-height:1.9;margin:0 24px 24px}

/* FLOW */
.flow{background:var(--gray-light)}
.flow-steps{margin-top:60px;display:flex;flex-direction:column}
.flow-step{display:flex;align-items:flex-start;gap:32px;padding:36px 0;border-bottom:1px solid var(--border)}
.flow-step:last-child{border-bottom:none}
.step-num{font-family:var(--font-en);font-size:3.2rem;color:var(--purple-light);line-height:1;flex-shrink:0;width:76px;-webkit-text-stroke:1px var(--purple-mid)}
.step-body .step-title{font-size:1rem;font-weight:700;margin-bottom:8px;color:var(--dark)}
.step-body .step-desc{font-size:.84rem;color:var(--gray-text);line-height:1.95}

/* ABOUT */
.about{background:var(--white)}
.about-inner{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.about-stats{display:flex;flex-direction:column;gap:28px}
.about-stat-row{border-left:3px solid var(--purple);padding-left:24px}
.about-stat-row .num{font-family:var(--font-en);font-size:2.8rem;color:var(--purple);line-height:1}
.about-stat-row .num em{font-size:1.1rem;font-style:normal}
.about-stat-row .label{font-size:.76rem;color:var(--gray-text);letter-spacing:.08em;margin-top:4px}
.about-text p{font-size:.92rem;color:var(--gray-text);line-height:2.1;margin-bottom:16px}
.about-table{margin-top:36px;border-collapse:collapse;width:100%}
.about-table tr{border-bottom:1px solid var(--border)}
.about-table th,.about-table td{padding:13px 0;font-size:.82rem;text-align:left;vertical-align:top}
.about-table th{color:var(--purple);width:110px;font-weight:700;letter-spacing:.04em}
.about-table td{color:var(--gray-text)}

/* CONTACT */
.contact{background:var(--purple);text-align:center}
.contact .section-eyebrow{color:rgba(255,255,255,.6)}
.contact .section-title{color:var(--white)}
.contact .section-lead{color:rgba(255,255,255,.75);margin:0 auto;text-align:center}
.contact-box{max-width:580px;margin:48px auto 0;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.2);padding:52px 44px;border-radius:4px}
.contact-email{font-size:1rem;color:rgba(255,255,255,.85);text-decoration:none;display:block;margin-bottom:12px;letter-spacing:.05em}
.contact-tel{font-family:var(--font-en);font-size:2.4rem;color:var(--white);letter-spacing:.06em;text-decoration:none;display:block;margin-bottom:6px}
.contact-note{font-size:.76rem;color:rgba(255,255,255,.55);margin-bottom:36px}

/* FOOTER */
footer{background:var(--dark);padding:40px 48px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-logo{font-family:var(--font-en);font-size:1.2rem;letter-spacing:.1em;color:var(--white)}
.footer-logo span{color:var(--purple-mid)}
footer p{font-size:.75rem;color:var(--gray-mid)}

/* RESPONSIVE */
@media(max-width:768px){
  nav{padding:16px 20px} .nav-links{display:none}
  .hero{padding:110px 20px 60px} .hero-deco{display:none}
  section{padding:68px 20px} .about-inner{grid-template-columns:1fr;gap:44px}
  .hero-meta{gap:24px} .hero-divider{display:none}
  footer{padding:28px 20px;flex-direction:column;align-items:flex-start;gap:8px}
  .contact-box{padding:36px 20px} .flow-step{gap:16px}
  .works-grid{grid-template-columns:1fr}
}