/* =========================================================================
   AI Codemy — "Light Terminal" design system (Japan-market friendly, bright).
   White-dominant; terminal card, final CTA, and footer stay dark for contrast
   and AI character. Loaded after main.css so these rules win.
   ========================================================================= */
:root{
  --bg:#ffffff; --bg-soft:#f5f8fc;
  --panel:#ffffff; --panel-2:#f5f8fc;
  --border:#e6eaf1; --border-strong:#cbd5e1;
  --ink:#0f172a; --ink-soft:#41506a; --muted:#6b7890;
  --em:#10b981; --em-bright:#34d399; --em-deep:#059669; --on-em:#04231a; --em-text:#059669;
  --dark:#0b1322;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Noto Sans JP","Inter",system-ui,-apple-system,sans-serif;
  --container:1180px; --r:16px; --r-lg:22px;
  --shadow:0 1px 2px rgba(15,23,42,.04),0 10px 28px -14px rgba(15,23,42,.18);
  --shadow-hover:0 1px 2px rgba(15,23,42,.05),0 26px 50px -24px rgba(16,185,129,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;color-scheme:light}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden;position:relative;margin:0}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(820px 520px at 82% -10%,rgba(16,185,129,.12),transparent 60%),radial-gradient(620px 460px at 2% 102%,rgba(16,185,129,.07),transparent 62%)}
body::after{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(rgba(15,23,42,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(15,23,42,.035) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(circle at 50% 22%,#000 0%,transparent 72%);mask-image:radial-gradient(circle at 50% 22%,#000 0%,transparent 72%)}
.body-wrapper{position:relative;z-index:1;background:transparent}
.body-container-wrapper{max-width:none;width:100%;margin:0;padding:0}
main,header,footer{position:relative;z-index:1}
.wrap{max-width:var(--container);margin:0 auto;padding:0 24px}
section{padding:clamp(4rem,8vw,7rem) 0;position:relative;z-index:1}
.tint{background:var(--bg-soft)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{font-weight:800;line-height:1.24;letter-spacing:-.01em;word-break:keep-all;overflow-wrap:anywhere}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem)}
h3{font-size:1.2rem;font-weight:700}
.g{background:linear-gradient(100deg,var(--em),var(--em-deep));-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{font-family:var(--mono);font-size:.78rem;letter-spacing:.12em;color:var(--em-text);text-transform:uppercase;display:inline-flex;gap:.5rem;align-items:center}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--em)}
.lead{color:var(--ink-soft);font-size:1.05rem;max-width:54ch}
.center{text-align:center;margin-inline:auto}
.shead{max-width:62ch;margin-bottom:2.6rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:.92rem;padding:.85rem 1.4rem;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s,border-color .2s;font-family:var(--sans)}
.btn:hover{transform:translateY(-2px);text-decoration:none}
.btn-primary{background:linear-gradient(180deg,var(--em-bright),var(--em));color:var(--on-em);box-shadow:0 10px 26px -8px rgba(16,185,129,.5),inset 0 1px 0 rgba(255,255,255,.35)}
.btn-primary:hover{box-shadow:0 16px 36px -8px rgba(16,185,129,.6);color:var(--on-em)}
.btn-ghost{background:#fff;border-color:var(--border-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--em);color:var(--em-deep)}
.btn-lg{padding:1rem 1.7rem;font-size:1rem}
.hdr{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(255,255,255,.82);border-bottom:1px solid var(--border)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.hdr nav{display:flex;gap:1.6rem;font-size:.9rem;color:var(--ink-soft);font-weight:500}
.hdr nav a:hover{color:var(--ink)}
.hdr .cta{display:flex;gap:.6rem;align-items:center}
.logo{height:30px;width:auto}
.hamb{display:none}
.navcta{display:none}
@media(max-width:900px){
  .hdr .wrap{position:relative}
  .hdr nav,.hdr .cta{display:none}
  .hamb{display:flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border:1px solid var(--border-strong);border-radius:10px;background:#fff;cursor:pointer;margin-left:auto}
  .hamb span{width:20px;height:2px;background:var(--ink);margin:0 auto;border-radius:2px;transition:transform .2s,opacity .2s}
  .navt:checked~.hamb span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .navt:checked~.hamb span:nth-child(2){opacity:0}
  .navt:checked~.hamb span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .navt:checked~nav{display:flex;flex-direction:column;align-items:stretch;gap:.15rem;position:absolute;top:calc(100% + .55rem);left:0;right:0;background:#fff;border:1px solid var(--border);border-radius:14px;padding:.5rem;box-shadow:0 24px 50px -24px rgba(15,23,42,.35);z-index:60}
  .hdr nav a{padding:.85rem 1rem;border-radius:10px;font-size:1rem;color:var(--ink)}
  .hdr nav a:hover{background:var(--bg-soft)}
  .navt:checked~nav .navcta{display:block;background:var(--em);color:#fff;text-align:center;font-weight:700;margin-top:.25rem}
}
.chips{display:flex;gap:.5rem;flex-wrap:wrap}
.chip{font-family:var(--mono);font-size:.74rem;padding:.35rem .7rem;border-radius:999px;border:1px solid var(--border);background:#fff;color:var(--ink-soft)}
.chip.em{border-color:rgba(16,185,129,.4);color:var(--em-deep);background:rgba(16,185,129,.08)}
.hero-pill{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--mono);font-size:.82rem;font-weight:600;letter-spacing:.02em;padding:.5rem 1rem;border-radius:999px;border:1px solid rgba(16,185,129,.4);background:rgba(16,185,129,.1);color:var(--em-deep)}
.hero-pill::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--em);box-shadow:0 0 0 3px rgba(16,185,129,.18)}
@media(max-width:560px){.hero-pill{font-size:.74rem;padding:.4rem .8rem}}
.hero{padding-top:clamp(3rem,6vw,5.5rem)}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:3rem;align-items:center}
.hero h1{font-size:clamp(2.1rem,5.2vw,3.5rem);margin:1.1rem 0}
.hero .lead{font-size:1.15rem;margin-bottom:1.8rem}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:1.6rem}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:2rem}.term{display:none}.hero{padding-bottom:1.25rem}}
.term{border:1px solid #1e293b;border-radius:var(--r-lg);background:linear-gradient(180deg,#0d1424,#080c16);box-shadow:0 40px 80px -34px rgba(15,23,42,.5),0 0 0 1px rgba(16,185,129,.08),0 30px 70px -40px rgba(16,185,129,.35);overflow:hidden}
.term-bar{display:flex;align-items:center;gap:.5rem;padding:.8rem 1rem;border-bottom:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.02)}
.term-bar i{width:11px;height:11px;border-radius:50%;display:block}
.dot-r{background:#ff5f57}.dot-y{background:#febc2e}.dot-g{background:#28c840}
.term-bar span{margin-left:.6rem;font-family:var(--mono);font-size:.72rem;color:#7e8aa0}
.term-body{padding:1.2rem 1.3rem;font-family:var(--mono);font-size:.8rem;line-height:1.8;min-height:272px}
.term-body .line{opacity:0;animation:tline .5s ease forwards}
.term-body .l1{animation-delay:.4s}.term-body .l2{animation-delay:1.1s}.term-body .l3{animation-delay:1.7s}.term-body .l4{animation-delay:2.2s}.term-body .l5{animation-delay:2.7s}.term-body .l6{animation-delay:3.2s}.term-body .l7{animation-delay:3.7s}.term-body .l8{animation-delay:4.6s}
.term-body .p{color:var(--em-bright)}.term-body .c{color:#cdd6e6}
.term-body .o{color:#aeb9cc;padding-left:1rem;border-left:2px solid rgba(16,185,129,.5);display:block;margin:.2rem 0 .55rem}
.term-body .cl{color:#cdd6e6}
.term-body .ind1{padding-left:1.8em}.term-body .ind2{padding-left:3.6em}
.term-body .cm{color:#5f718a}.term-body .kw{color:#c792ea}.term-body .st{color:#ecc48d}.term-body .fn{color:#82aaff}.term-body .nm{color:#f78c6c}
.term-body .done{margin-top:.7rem;padding-top:.7rem;border-top:1px solid rgba(255,255,255,.08);color:var(--em-bright);font-weight:700;display:flex;align-items:center;gap:.5rem}
.term-body .done .day{font-size:.66rem;font-weight:600;padding:.12rem .55rem;border-radius:999px;background:rgba(16,185,129,.15);border:1px solid rgba(16,185,129,.35);color:var(--em-bright)}
.cursor{display:inline-block;width:9px;height:1.05em;background:var(--em-bright);vertical-align:-2px;animation:blink 1.1s steps(1) infinite;margin-left:2px}
@keyframes tline{to{opacity:1}}@keyframes blink{50%{opacity:0}}
.grid{display:grid;gap:1.2rem}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{border:1px solid var(--border);border-radius:var(--r);background:var(--panel);padding:1.6rem;box-shadow:var(--shadow);transition:border-color .2s,transform .2s,box-shadow .2s}
.card:hover{border-color:rgba(16,185,129,.5);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.card h3{margin:.7rem 0 .4rem}.card p{color:var(--muted);font-size:.92rem}
.ico{width:46px;height:46px;border-radius:12px;background:rgba(16,185,129,.10);border:1px solid rgba(16,185,129,.28);color:var(--em-deep);display:grid;place-items:center;font-family:var(--mono);font-weight:700;margin-bottom:1rem}
@media(max-width:900px){.g3,.g2{grid-template-columns:1fr}}
.out{border:1px solid rgba(16,185,129,.3);border-radius:var(--r);background:linear-gradient(180deg,rgba(16,185,129,.08),rgba(16,185,129,.02));padding:1.3rem 1.5rem}
.out .tag{font-family:var(--mono);font-size:.72rem;color:var(--em-deep)}
.out h3{font-size:1.05rem;margin:.4rem 0 .2rem}.out p{color:var(--ink-soft);font-size:.88rem}
.days{display:grid;grid-template-columns:repeat(5,1fr);gap:.8rem}
.day{border:1px solid var(--border);border-radius:var(--r);background:var(--panel);padding:1.2rem;box-shadow:var(--shadow)}
.day.fin{border-color:rgba(16,185,129,.5);background:linear-gradient(180deg,rgba(16,185,129,.12),rgba(16,185,129,.02));box-shadow:0 20px 44px -22px rgba(16,185,129,.45)}
.day .d{font-family:var(--mono);font-size:.74rem;color:var(--em-deep)}
.day h3{font-size:1rem;margin:.5rem 0 .3rem}.day p{font-size:.8rem;color:var(--muted)}
@media(max-width:900px){.days{grid-template-columns:1fr 1fr}}
.tools{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.tool{display:flex;gap:1rem;align-items:flex-start;border:1px solid var(--border);border-radius:var(--r);background:var(--panel);padding:1.5rem;box-shadow:var(--shadow)}
.tool .badge{flex:none;width:52px;height:52px;border-radius:13px;background:rgba(16,185,129,.10);border:1px solid rgba(16,185,129,.28);display:grid;place-items:center;font-family:var(--mono);font-weight:700;color:var(--em-deep)}
.tool p{color:var(--muted);font-size:.9rem}
@media(max-width:760px){.tools{grid-template-columns:1fr}}
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;align-items:stretch}
.price{border:1px solid var(--border);border-radius:var(--r-lg);background:var(--panel);padding:1.8rem;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.price.feat{border-color:rgba(16,185,129,.55);background:linear-gradient(180deg,rgba(16,185,129,.08),#fff);box-shadow:0 30px 64px -26px rgba(16,185,129,.5);transform:translateY(-8px)}
.price .tag{align-self:flex-start;font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--on-em);background:var(--em-bright);padding:.25rem .6rem;border-radius:999px;margin-bottom:.8rem}
.price .nm{font-weight:700;font-size:1.1rem}
.price .amt{font-size:2rem;font-weight:800;letter-spacing:-.02em;margin-top:.2rem}
.price .amt small{font-size:.85rem;color:var(--muted);font-weight:500}
.price .note{color:var(--muted);font-size:.82rem;margin:.3rem 0 1.2rem}
.price ul{list-style:none;display:grid;gap:.55rem;font-size:.9rem;color:var(--ink-soft);margin:0 0 1.4rem;padding:0}
.price li{padding-left:1.5rem;position:relative}
.price li::before{content:"›";position:absolute;left:0;color:var(--em-deep);font-family:var(--mono);font-weight:700}
.price .btn{margin-top:auto}
@media(max-width:900px){.prices{grid-template-columns:1fr}.price.feat{transform:none}}
.subsidy{border:1px solid rgba(16,185,129,.35);border-radius:var(--r-lg);background:linear-gradient(110deg,rgba(16,185,129,.10),#fff);padding:2rem;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.subsidy h3{font-size:1.3rem}.subsidy .pct{color:var(--em-deep)}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:.8rem;counter-reset:s}
.step{padding-top:2.8rem;position:relative}
.step::before{counter-increment:s;content:"0" counter(s);position:absolute;top:0;left:0;font-family:var(--mono);font-size:.9rem;color:var(--em-deep);border:1px solid rgba(16,185,129,.4);border-radius:9px;padding:.3rem .55rem;background:rgba(16,185,129,.08)}
.step h3{font-size:.98rem;margin-bottom:.25rem}.step p{font-size:.82rem;color:var(--muted)}
@media(max-width:900px){.steps{grid-template-columns:1fr;gap:1.1rem}}
.faq{max-width:780px;margin-inline:auto}
.faq details{border:1px solid var(--border);border-radius:14px;background:var(--panel);padding:1.1rem 1.3rem;margin-bottom:.7rem;box-shadow:var(--shadow)}
.faq summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--em-deep);font-family:var(--mono);font-size:1.2rem}
.faq details[open] summary::after{content:"\2212"}
.faq p{color:var(--muted);font-size:.9rem;margin-top:.7rem}
.fcta{border-radius:24px;padding:clamp(2.6rem,5vw,4.2rem);text-align:center;position:relative;overflow:hidden;border:1px solid rgba(16,185,129,.3);background:radial-gradient(700px 320px at 50% -20%,rgba(16,185,129,.32),transparent 60%),linear-gradient(180deg,#0d1424,#080c16);color:#dbe3ef;box-shadow:0 40px 90px -40px rgba(15,23,42,.4)}
.fcta h2{font-size:clamp(1.8rem,4vw,2.7rem);color:#fff}
.fcta .eyebrow{color:var(--em-bright)}
.fcta .lead{margin:1rem auto 0;color:#aeb9cc}
.fcta .acts{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin-top:1.8rem}
.fcta .btn-ghost{background:transparent;border-color:rgba(255,255,255,.25);color:#fff}
.fcta .btn-ghost:hover{border-color:var(--em-bright);color:var(--em-bright)}
.ft{border-top:1px solid var(--border);background:var(--dark);padding:3rem 0 1.5rem;color:#9aa6bc}
.ft-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:2rem}
.ft-top p{color:#8b97ad;font-size:.88rem;max-width:34ch;margin:.8rem 0 1rem}
.ft h4{font-size:.78rem;font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:#cbd5e1;margin-bottom:.9rem}
.ft ul{list-style:none;display:grid;gap:.55rem;padding:0;margin:0}
.ft ul a,.ft ul li{color:#8b97ad;font-size:.88rem}
.ft ul a:hover{color:#fff}
.ft-legal{border-top:1px solid rgba(255,255,255,.1);margin-top:2rem;padding-top:1.2rem;font-size:.78rem;color:#7e8aa0;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-family:var(--mono)}
@media(max-width:760px){.ft-top{grid-template-columns:1fr;gap:1.5rem}}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.hero .reveal{transition-delay:var(--d,0s)}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.term-body .line{opacity:1;animation:none}.cursor{animation:none}}
/* contact form (sits on the dark final-CTA band) */
.aiform{background:#fff;border-radius:18px;padding:1.7rem;max-width:580px;margin:1.7rem auto 0;text-align:left;display:grid;gap:.9rem;box-shadow:0 30px 70px -30px rgba(0,0,0,.55)}
.aiform-row{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
.aiform label{display:grid;gap:.35rem;font-size:.82rem;font-weight:600;color:var(--ink)}
.aiform label span{color:#e11d48;margin-left:.15rem}
.aiform input,.aiform select,.aiform textarea{font-family:var(--sans);font-size:.92rem;padding:.7rem .8rem;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--ink);width:100%}
.aiform input:focus,.aiform select:focus,.aiform textarea:focus{outline:none;border-color:var(--em);box-shadow:0 0 0 3px rgba(16,185,129,.15)}
.aiform textarea{resize:vertical}
.aiform button{margin-top:.4rem;width:100%;justify-content:center}
.aiform-note{font-size:.74rem;color:var(--muted);margin:0;text-align:center}
.aiform-ok{color:var(--em-bright);font-weight:700;margin-top:1.2rem;font-size:1.05rem}
@media(max-width:600px){.aiform-row{grid-template-columns:1fr}}
/* long-form / legal article prose */
.article{max-width:800px;margin-inline:auto}
.article h1{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:.4rem}
.article .meta{font-family:var(--mono);font-size:.78rem;color:var(--muted);margin-bottom:2rem}
.article h2{font-size:1.3rem;margin:2.2rem 0 .8rem}
.article h3{font-size:1.05rem;margin:1.6rem 0 .5rem}
.article p{color:var(--ink-soft);margin:0 0 1rem;line-height:1.95}
.article ul,.article ol{color:var(--ink-soft);margin:0 0 1.2rem;padding-left:1.3rem;display:grid;gap:.4rem}
.article a{color:var(--em-deep);text-decoration:underline}
.article table{width:100%;border-collapse:collapse;margin:1rem 0 1.6rem;font-size:.92rem}
.article th,.article td{border:1px solid var(--border);padding:.7rem .9rem;text-align:left;vertical-align:top}
.article th{background:var(--bg-soft);width:34%;color:var(--ink);font-weight:700}
.article td{color:var(--ink-soft)}
.article .updated{margin-top:2.5rem;font-size:.8rem;color:var(--muted)}
/* blog */
.bloglist{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.postcard{border:1px solid var(--border);border-radius:var(--r);background:var(--panel);box-shadow:var(--shadow);overflow:hidden;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;flex-direction:column}
.postcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(16,185,129,.5)}
.postcard .thumb{aspect-ratio:16/9;background:linear-gradient(120deg,#0d1424,#0f2a20);background-size:cover;background-position:center}
.postcard .pc-body{padding:1.2rem}
.postcard .cat{font-family:var(--mono);font-size:.72rem;color:var(--em-deep)}
.postcard h3{font-size:1.05rem;margin:.4rem 0}
.postcard .date{font-family:var(--mono);font-size:.74rem;color:var(--muted)}
@media(max-width:900px){.bloglist{grid-template-columns:1fr}}
.pager{display:flex;gap:.5rem;justify-content:center;margin-top:2.5rem;font-family:var(--mono);font-size:.85rem}
.pager a,.pager span{padding:.5rem .8rem;border:1px solid var(--border);border-radius:9px;color:var(--ink-soft)}
.pager .cur{background:var(--em);color:var(--on-em);border-color:var(--em)}
.post{max-width:760px;margin-inline:auto}
.post .post-body{color:var(--ink-soft);line-height:1.95}
.post .post-body h2{font-size:1.4rem;margin:2rem 0 .8rem;color:var(--ink)}
.post .post-body p{margin:0 0 1.1rem}
.post .post-body img{border-radius:12px;margin:1.2rem 0}