*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0a0a0a;--card:#131313;
  --text:#f0f0f0;--text2:#b0b0b0;--text3:#707070;
  --border:rgba(255,255,255,.08);
  --font:'Inter','Noto Sans JP',sans-serif;
  --orange:#f97316;--green:#22c55e;--red:#ef4444;--blue:#3b82f6;--purple:#a855f7;
}
html{scroll-behavior:smooth;font-size:16px;scroll-padding-top:60px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.8;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}

/* ===== NAV ===== */
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(10,10,10,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav-flex{display:flex;align-items:center;height:60px;max-width:1400px;margin:0 auto;padding:0 32px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;white-space:nowrap;flex-shrink:0}
.logo-img{height:24px;width:auto;filter:brightness(0) invert(1)}
.logo span{font-weight:500;color:var(--text3);font-size:.72rem;letter-spacing:.04em;border-left:1px solid rgba(255,255,255,.12);padding-left:10px}
.nl{display:flex;gap:0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;flex:1;justify-content:flex-end}
.nl::-webkit-scrollbar{display:none}
.nl a{font-size:.82rem;font-weight:500;color:var(--text3);padding:8px 14px;border-radius:6px;transition:all .15s;white-space:nowrap}
.nl a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nl a.active{color:#fff;background:rgba(255,255,255,.08)}
.ham{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:10px;z-index:101}
.ham span{display:block;width:20px;height:1.5px;background:#fff;transition:all .3s}
.ham.on span:nth-child(1){transform:rotate(45deg) translateY(6.5px)}
.ham.on span:nth-child(2){opacity:0}
.ham.on span:nth-child(3){transform:rotate(-45deg) translateY(-6.5px)}
.mob{display:none;position:fixed;inset:0;background:rgba(10,10,10,.98);z-index:99;flex-direction:column;align-items:center;padding:80px 24px 40px;overflow-y:auto}
.mob.on{display:flex}
.mob a{font-size:.95rem;color:var(--text2);padding:16px 0;border-bottom:1px solid var(--border);width:100%;text-align:center;transition:color .15s}
.mob a:hover{color:#fff}

/* ===== TOP PAGE ===== */
.top-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:80px 40px 60px}
.top-inner{max-width:640px;width:100%}
.top-title{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:900;line-height:1.15;letter-spacing:-.02em;margin-bottom:56px;white-space:nowrap}
.top-toc{display:flex;flex-direction:column;gap:0;margin-bottom:48px}
.top-toc-item{display:flex;align-items:center;gap:20px;padding:20px 0;border-bottom:1px solid var(--border);transition:all .15s;text-decoration:none}
.top-toc-item:first-child{border-top:1px solid var(--border)}
.top-toc-item:hover{padding-left:8px}
.top-toc-item:hover .top-toc-name{color:#fff}
.top-toc-item:hover .top-toc-arrow{opacity:1;transform:translateX(0)}
.top-toc-num{font-size:.72rem;font-weight:700;color:var(--text3);min-width:24px;letter-spacing:.06em}
.top-toc-name{font-size:1.05rem;font-weight:600;color:var(--text2);flex:1;transition:color .15s}
.top-toc-arrow{font-size:.85rem;color:var(--text3);opacity:0;transform:translateX(-8px);transition:all .2s}
.top-section-label{font-size:.68rem;font-weight:700;color:var(--text3);letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px}
.top-info{margin-bottom:48px}
.top-info-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--border);border-radius:10px;overflow:hidden}
.top-info-item{padding:20px 24px;border-bottom:1px solid var(--border);border-right:1px solid var(--border)}
.top-info-item:nth-child(even){border-right:none}
.top-info-item:nth-last-child(-n+2){border-bottom:none}
.top-info-label{font-size:.65rem;font-weight:600;color:var(--text3);letter-spacing:.06em;margin-bottom:4px}
.top-info-value{font-size:.88rem;font-weight:600;color:var(--text)}
.top-links{display:flex;gap:14px}

/* ===== HERO (legacy) ===== */
.hero{padding:120px 24px 64px;text-align:center}
.hero-inner{max-width:760px;margin:0 auto}
.hero h1{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;line-height:1.3;letter-spacing:-.01em;margin-bottom:16px}
.hero-sub{font-size:.92rem;color:var(--text2);margin-bottom:40px;line-height:1.8}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ===== BUTTONS ===== */
.btn-primary{display:inline-block;padding:12px 32px;background:#f0f0f0;color:#0a0a0a;border-radius:8px;font-size:.88rem;font-weight:700;transition:opacity .15s}
.btn-primary:hover{opacity:.85}
.btn-ghost{display:inline-block;padding:12px 32px;border:1px solid rgba(255,255,255,.18);border-radius:8px;font-size:.88rem;font-weight:500;color:var(--text2);transition:all .15s}
.btn-ghost:hover{border-color:rgba(255,255,255,.35);color:var(--text)}

/* ===== CONTAINER / SECTIONS ===== */
.ctn{max-width:1060px;margin:0 auto;padding:0 40px}
.sec{padding:80px 0}
.sec-head{margin-bottom:48px}
.sec-head.center{text-align:center}
.sec-label{font-size:.68rem;font-weight:700;color:var(--text3);letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px;display:block}
.sec-title{font-size:clamp(1.5rem,3.5vw,2rem);font-weight:800;letter-spacing:-.01em;margin-bottom:10px}
.sec-sub{font-size:.9rem;color:var(--text2);line-height:1.7}

/* ===== PAGE HERO ===== */
.page-hero{padding:110px 40px 48px;border-bottom:1px solid var(--border);max-width:1140px;margin:0 auto}
.page-hero .sec-label{margin-bottom:14px}
.page-hero h1{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;margin-bottom:10px}
.page-hero p{font-size:.9rem;color:var(--text2);max-width:520px}

/* ===== PAGE TOC (ページ内目次) ===== */
.page-toc{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:28px 28px 20px;margin:32px auto 0;max-width:1060px}
.page-toc-title{font-size:.72rem;font-weight:700;color:var(--text3);letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px}
.page-toc-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:6px 16px;list-style:none}
.page-toc-list a{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:.84rem;color:var(--text2);transition:color .15s;border-bottom:1px solid rgba(255,255,255,.04)}
.page-toc-list a:hover{color:#fff}
.page-toc-list .toc-num{font-size:.65rem;font-weight:800;color:var(--text3);min-width:20px}

/* ===== PAGE SECTION ===== */
.page-sec{padding:56px 0}
.page-sec+.page-sec{border-top:1px solid var(--border)}

/* Part header - bigger, bolder */
.page-sec .sec-head{margin-bottom:36px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.page-sec .sec-label{font-size:.72rem;color:var(--orange);letter-spacing:.14em;margin-bottom:8px}
.page-sec .sec-title{font-size:clamp(1.3rem,3vw,1.7rem)}

/* ===== MENU GRID ===== */
.menu-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.menu-card{display:block;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:28px 24px;transition:border-color .2s}
.menu-card:hover{border-color:rgba(255,255,255,.18)}
.menu-num{font-size:.65rem;font-weight:700;color:var(--text3);letter-spacing:.1em;margin-bottom:12px}
.menu-card h3{font-size:1rem;font-weight:700;margin-bottom:8px}
.menu-card p{font-size:.8rem;color:var(--text3);line-height:1.6}

/* ===== GLASS CARD ===== */
.glass-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:32px 28px;margin-bottom:18px}
.glass-card h3{font-size:1.05rem;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.glass-card p,.glass-card li{font-size:.88rem;color:var(--text2);line-height:1.9}
.glass-card ul{padding:0;list-style:none}
.glass-card ul li{padding-left:18px;margin-bottom:7px;position:relative}
.glass-card ul li::before{content:'';position:absolute;left:0;top:12px;width:5px;height:5px;background:var(--text3);border-radius:50%}

/* ===== NUM BADGE ===== */
.num{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;background:rgba(255,255,255,.08);font-size:.72rem;font-weight:800;border-radius:6px;flex-shrink:0}

/* ===== TABLE ===== */
.table-wrap{overflow-x:auto;border-radius:10px;border:1px solid var(--border);margin-bottom:16px}
table{width:100%;border-collapse:collapse;font-size:.84rem}
th{background:rgba(255,255,255,.04);font-weight:600;font-size:.72rem;letter-spacing:.04em;color:var(--text3);padding:14px 16px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}
td{padding:14px 16px;border-bottom:1px solid var(--border);color:var(--text2)}
tr:last-child td{border-bottom:none}
.rank-hl td{background:rgba(34,197,94,.06)}

/* ===== HIGHLIGHT BOXES ===== */
.hl-box{border-radius:10px;padding:24px 28px;margin-bottom:18px;border:1px solid}
.hl-box-title{font-size:.88rem;font-weight:700;margin-bottom:8px}
.hl-box p,.hl-box li{font-size:.85rem;color:var(--text2);line-height:1.9}
.hl-orange{background:rgba(249,115,22,.05);border-color:rgba(249,115,22,.18)}.hl-orange .hl-box-title{color:var(--orange)}
.hl-red{background:rgba(239,68,68,.05);border-color:rgba(239,68,68,.18)}.hl-red .hl-box-title{color:var(--red)}
.hl-green{background:rgba(34,197,94,.05);border-color:rgba(34,197,94,.18)}.hl-green .hl-box-title{color:var(--green)}
.hl-blue{background:rgba(59,130,246,.05);border-color:rgba(59,130,246,.18)}.hl-blue .hl-box-title{color:var(--blue)}

/* ===== BADGES ===== */
.badge{display:inline-block;padding:3px 10px;border-radius:5px;font-size:.72rem;font-weight:700}
.badge-red{background:rgba(239,68,68,.15);color:#f87171}
.badge-yellow{background:rgba(234,179,8,.15);color:#facc15}
.badge-green{background:rgba(34,197,94,.15);color:#4ade80}
.badge-blue{background:rgba(59,130,246,.15);color:#60a5fa}
.badge-purple{background:rgba(168,85,247,.15);color:#c084fc}

/* ===== SCRIPT BOX ===== */
.script-box{background:var(--card);border:1px solid var(--border);border-radius:10px;overflow:hidden;margin-bottom:18px}
.script-header{background:rgba(255,255,255,.04);padding:14px 24px;font-size:.78rem;font-weight:600;color:var(--text2);border-bottom:1px solid var(--border)}
.script-body{padding:24px}
.script-line{margin-bottom:18px;padding-bottom:18px;border-bottom:1px solid var(--border)}
.script-line:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.script-label{font-size:.68rem;font-weight:700;color:var(--orange);letter-spacing:.06em;margin-bottom:4px}
.script-text{font-size:.85rem;line-height:1.9;color:var(--text2)}

/* ===== FLOW ===== */
.flow{display:flex;flex-direction:column}
.flow-step{display:flex;gap:20px;padding-bottom:32px}
.flow-step:last-child{padding-bottom:0}
.flow-line{display:flex;flex-direction:column;align-items:center;flex-shrink:0;width:36px}
.flow-dot{width:36px;height:36px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);color:var(--text);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:700;flex-shrink:0}
.flow-connector{flex:1;width:1px;background:var(--border);margin-top:4px}
.flow-content{padding-top:5px}
.flow-content h4{font-size:1rem;font-weight:700;margin-bottom:6px}
.flow-content p{font-size:.85rem;color:var(--text2);line-height:1.8}

/* ===== GRID ===== */
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:14px}

/* ===== FAQ ===== */
.faq-item{border:1px solid var(--border);border-radius:10px;margin-bottom:10px;background:var(--card)}
.faq-q{padding:20px 24px;font-size:.92rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-q::after{content:'+';font-size:1.2rem;color:var(--text3);transition:transform .2s}
.faq-q.open::after{transform:rotate(45deg)}
.faq-a{display:none;padding:0 24px 20px;font-size:.85rem;color:var(--text2);line-height:1.9}
.faq-a.open{display:block}

/* ===== CHECKLIST ===== */
.check-list{display:flex;flex-direction:column}
.check-item{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--border);font-size:.88rem;color:var(--text2);cursor:pointer}
.check-item:last-child{border-bottom:none}
.check-item input[type="checkbox"]{width:18px;height:18px;border-radius:4px;border:1.5px solid rgba(255,255,255,.22);background:transparent;appearance:none;-webkit-appearance:none;cursor:pointer;flex-shrink:0;position:relative;transition:all .15s}
.check-item input[type="checkbox"]:checked{background:var(--green);border-color:var(--green)}
.check-item input[type="checkbox"]:checked::after{content:'';position:absolute;top:3px;left:6px;width:4px;height:8px;border:solid #0a0a0a;border-width:0 2px 2px 0;transform:rotate(45deg)}
.check-item:has(input:checked) span{color:var(--text3);text-decoration:line-through}

/* ===== PAGE NAV ===== */
.page-nav{display:flex;justify-content:space-between;padding:40px 0;border-top:1px solid var(--border);margin-top:20px}
.page-nav a{font-size:.82rem;font-weight:500;color:var(--text2);transition:color .15s}
.page-nav a:hover{color:var(--text)}

/* ===== BACK TO TOP ===== */
.back-to-top{position:fixed;bottom:28px;right:28px;width:44px;height:44px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.12);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transition:all .25s;z-index:50;backdrop-filter:blur(8px)}
.back-to-top.show{opacity:1;visibility:visible}
.back-to-top:hover{background:rgba(255,255,255,.18)}
.back-to-top svg{width:18px;height:18px;color:var(--text2)}

/* ===== FOOTER ===== */
footer{border-top:1px solid var(--border);padding:40px 24px;text-align:center}
footer p{font-size:.78rem;color:var(--text3)}
.footer-note{font-size:.65rem;color:rgba(255,255,255,.18);margin-top:8px}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  .nl{display:none}
  .ham{display:flex}
  .hero-nums{grid-template-columns:repeat(2,1fr)}
  .grid-2,.menu-grid{grid-template-columns:1fr}
  .hero{padding:110px 20px 60px}
  .sec{padding:56px 0}
  .page-sec{padding:44px 0}
  .glass-card{padding:24px 20px}
  .ctn{padding:0 20px}
  .top-page{padding:80px 24px 40px}
  .top-title{font-size:1.5rem;margin-bottom:40px;white-space:normal}
  .top-info-grid{grid-template-columns:1fr}
  .top-info-item{border-right:none!important}
  .top-info-item:last-child{border-bottom:none}
  .top-toc-name{font-size:.95rem}
  .page-hero{padding:90px 20px 36px}
  .page-toc{margin:24px 20px 0;padding:24px 20px 16px}
  .page-toc-list{grid-template-columns:1fr}
  .back-to-top{bottom:20px;right:20px;width:40px;height:40px}
}
/* ===== CUSTOM CURSOR ===== */
*{cursor:none!important}
.cursor-dot{position:fixed;top:0;left:0;width:6px;height:6px;background:#fff;border-radius:50%;pointer-events:none;z-index:9999;transform:translate(-50%,-50%);transition:width .2s,height .2s,background .2s}
.cursor-ring{position:fixed;top:0;left:0;width:36px;height:36px;border:1.5px solid rgba(255,255,255,.35);border-radius:50%;pointer-events:none;z-index:9998;transform:translate(-50%,-50%);transition:width .3s,height .3s,border-color .3s,background .3s}
.cursor-dot.hover{width:10px;height:10px;background:rgba(255,255,255,.8)}
.cursor-ring.hover{width:52px;height:52px;border-color:rgba(255,255,255,.15);background:rgba(255,255,255,.04)}
.cursor-dot.click{width:4px;height:4px}
.cursor-ring.click{width:28px;height:28px;border-color:rgba(255,255,255,.5)}
@media(max-width:768px){.cursor-dot,.cursor-ring{display:none!important}*{cursor:auto!important}}
@media(pointer:coarse){.cursor-dot,.cursor-ring{display:none!important}*{cursor:auto!important}}

@media print{nav,.ham,.mob,.scroll-i,.page-nav,.back-to-top,.page-toc{display:none!important}.hero{padding:40px 0}.sec{padding:32px 0}}