:root {color-scheme:dark; --bg:#0b0e15; --surface:#111722; --surface2:#151d29; --line:#2b3645; --text:#f4f7fc; --muted:#b1bdce; --soft:#8290a3; --cyan:#7bdadf; --blue:#9aaefc; --wide:1120px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP",Meiryo,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit}
a:focus-visible{outline:3px solid var(--cyan);outline-offset:4px;border-radius:3px}
.skip-link{position:absolute;left:12px;top:-80px;padding:10px 14px;background:#fff;color:#000;z-index:100}
.skip-link:focus{top:12px}
.container{width:min(var(--wide),calc(100% - 48px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:40;border-bottom:1px solid rgba(132,151,180,.18);background:rgba(11,14,21,.90);backdrop-filter:blur(16px)}
.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-size:1.17rem;font-weight:800;letter-spacing:-.05em;white-space:nowrap}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:31px;height:31px;border:1px solid #7093a7;background:linear-gradient(135deg,#233347,#0f1c28);border-radius:10px;color:var(--cyan);font-weight:900;letter-spacing:-.08em}
.desktop-nav{display:flex;align-items:center;gap:25px}
.desktop-nav a{font-size:.86rem;text-decoration:none;color:var(--muted)}
.desktop-nav a:hover,.desktop-nav a[aria-current="page"]{color:white}
.lang-switch{display:inline-flex;align-items:center;justify-content:center;min-width:45px;padding:6px 12px;text-decoration:none;border:1px solid #354657;border-radius:999px;font-size:.82rem;font-weight:700}
.lang-switch:hover{border-color:var(--cyan)}
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);isolation:isolate}
.hero::before{content:"";position:absolute;inset:0 0 auto 0;height:650px;background:radial-gradient(ellipse at 83% 23%,rgba(73,114,146,.23),transparent 45%),radial-gradient(ellipse at 14% 37%,rgba(46,84,96,.13),transparent 45%);z-index:-1}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(117,163,195,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(117,163,195,.035) 1px,transparent 1px);background-size:68px 68px;mask-image:linear-gradient(to bottom,black,transparent);pointer-events:none;z-index:-1}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(290px,.63fr);align-items:center;gap:44px;padding:105px 0 112px}
.eyebrow,.section-kicker,.card-eyebrow{font-size:.79rem;font-weight:750;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan)}
.eyebrow{display:inline-flex;gap:10px;align-items:center}
.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);display:inline-block;box-shadow:0 0 0 5px rgba(123,218,223,.07)}
h1,h2,h3,p{overflow-wrap:anywhere}
h1{font-size:clamp(2.75rem,6vw,5rem);line-height:1.22;letter-spacing:-.065em;margin:22px 0 25px;max-width:850px}
h1 .accent{background:linear-gradient(93deg,#e7f7fc,var(--cyan));background-clip:text;color:transparent}
.hero-copy{color:#d3dce7;font-size:1.06rem;line-height:1.95;max-width:675px}
.hero-chips{display:flex;gap:9px;flex-wrap:wrap;margin:28px 0 34px;padding:0;list-style:none}
.hero-chips li{border:1px solid #334257;background:rgba(24,35,49,.65);padding:5px 12px;border-radius:6px;color:#c8d2e1;font-size:.78rem;letter-spacing:.01em}
.button-row{display:flex;flex-wrap:wrap;gap:12px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 19px;border-radius:8px;font-weight:750;font-size:.9rem;text-decoration:none;line-height:1.3;transition:transform .2s,border-color .2s,background .2s}
.button:hover{transform:translateY(-2px)}
.button-primary{background:#eaf7fc;color:#111a24;border:1px solid #eaf7fc}
.button-secondary{background:rgba(21,29,41,.7);border:1px solid #47596c;color:#edf3f9}
.status-panel{border:1px solid #405065;border-radius:16px;padding:24px 25px;background:linear-gradient(145deg,rgba(28,44,60,.94),rgba(14,21,32,.96));box-shadow:0 18px 60px rgba(0,0,0,.2)}
.status-panel .panel-title{font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:800}
.panel-heading{font-size:1.32rem;font-weight:750;letter-spacing:-.03em;margin:12px 0 5px}
.status-panel p{font-size:.89rem;color:var(--muted);margin:8px 0 16px}
.status-lines{padding:0;margin:20px 0 0;list-style:none;border-top:1px solid #3c4a5b}
.status-lines li{display:flex;justify-content:space-between;gap:15px;padding:13px 0;border-bottom:1px solid #33404f;font-size:.82rem}
.status-lines span:first-child{color:var(--soft)}
.status-lines span:last-child{text-align:right;color:#e4eef5}
.section{padding:93px 0;border-bottom:1px solid var(--line);scroll-margin-top:90px}
.section-head{max-width:805px;margin-bottom:38px}
.section h2{font-size:clamp(2rem,4.2vw,3.1rem);line-height:1.3;letter-spacing:-.055em;margin:13px 0 13px}
.section-intro{color:var(--muted);font-size:1rem;line-height:1.95;margin:0}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}
.reading{font-size:1rem;color:var(--muted)}
.reading p:first-child{margin-top:0}
.callout-line{border-left:2px solid var(--cyan);padding-left:21px;color:#dde8f0;font-weight:600}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:28px 25px 24px;display:flex;flex-direction:column;min-height:275px}
.card h3{font-size:1.27rem;line-height:1.5;letter-spacing:-.035em;margin:14px 0 10px}
.card p{font-size:.88rem;color:var(--muted);line-height:1.85;margin:0 0 20px}
.card .footnote{margin-top:auto;font-size:.76rem;color:#b6c7d4;letter-spacing:.02em}
.pill{font-weight:700;display:inline-block;color:#a8e4e4;border:1px solid rgba(123,218,223,.37);border-radius:5px;padding:4px 10px;font-size:.74rem}
.ai-block{background:linear-gradient(135deg,#131d29 0%,#101622 60%,#121923 100%);border:1px solid #35485a;border-radius:18px;padding:37px 39px}
.ai-block h3{margin:0 0 15px;font-size:1.45rem;letter-spacing:-.035em}
.ai-block>p{color:var(--muted);font-size:.96rem;max-width:860px}
.flow-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin:30px 0}
.flow-step{border-radius:11px;border:1px solid #364557;background:rgba(10,16,24,.53);padding:21px}
.flow-step .num{font-size:.78rem;font-weight:800;color:var(--cyan);letter-spacing:.15em}
.flow-step h4{font-size:1rem;line-height:1.55;margin:10px 0}
.flow-step p{font-size:.84rem;color:var(--muted);line-height:1.8;margin:0}
.small-note{border-top:1px solid #344355;padding-top:18px;margin-top:25px;color:#d3e2ec;font-size:.89rem}
.contact-panel{display:flex;align-items:center;justify-content:space-between;gap:30px;border:1px solid #394d5c;background:linear-gradient(120deg,#162333,#0f1924);border-radius:15px;padding:35px 40px}
.contact-panel p{color:var(--muted);margin:9px 0 0}
.mail{font-weight:750;font-size:clamp(1.1rem,2.6vw,1.5rem);color:#eaf8fb;text-underline-offset:5px}
.section a.text-link,.callout a{text-decoration:underline;text-underline-offset:5px;color:#b7e7f1}
.footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding:34px 0 50px;font-size:.79rem;color:#9dabbd}
.footer-links{display:flex;flex-wrap:wrap;gap:19px}
.footer a{color:#b8c6d7;text-decoration:none}
.footer a:hover{text-decoration:underline}
.page-hero{padding:85px 0 68px;border-bottom:1px solid var(--line);background:radial-gradient(ellipse at 82% 0%,rgba(69,121,151,.19),transparent 50%)}
.page-hero h1{max-width:920px;font-size:clamp(2.5rem,5.3vw,4.35rem)}
.page-hero p{max-width:835px;color:var(--muted);font-size:1.03rem}
.information-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.info-card{background:var(--surface);padding:27px;border:1px solid var(--line);border-radius:13px}
.info-card h3{font-size:1.1rem;margin:0 0 12px}
.info-card p,.info-card li{font-size:.91rem;color:var(--muted);line-height:1.85}
.info-card ul{padding-left:20px}
.timeline{counter-reset:step;list-style:none;padding:0;margin:28px 0 0}
.timeline li{counter-increment:step;display:grid;grid-template-columns:64px 1fr;gap:10px;padding:22px 0;border-top:1px solid var(--line)}
.timeline li::before{content:'0' counter(step);font-weight:800;color:var(--cyan)}
.timeline strong{display:block;font-size:1.02rem}
.timeline p{margin:8px 0 0;color:var(--muted);font-size:.91rem}
.notice{border:1px solid #4c6070;background:#141f2c;border-radius:11px;padding:18px 23px;font-size:.88rem;color:#d8e5ef;margin:26px 0}
.legal h2{font-size:1.55rem;margin:42px 0 14px}
.legal p{max-width:850px;color:var(--muted)}
.legal{max-width:900px}
.legal .updated{color:var(--soft);font-size:.84rem}
@media(max-width:950px){.hero-grid{grid-template-columns:1fr;padding:80px 0}.status-panel{max-width:600px}.two-col{gap:28px}.cards{grid-template-columns:1fr 1fr}.cards .card:last-child{grid-column:span 2}.desktop-nav{gap:15px}.desktop-nav a{font-size:.8rem}}
@media(max-width:680px){.container{width:calc(100% - 34px)}.header-inner{height:66px}.desktop-nav a:not(.lang-switch){display:none}.hero-grid{padding:70px 0 78px;gap:30px}h1{font-size:clamp(2.6rem,11vw,4.2rem)}.hero-copy{font-size:.98rem}.section{padding:70px 0}.two-col,.cards,.flow-steps,.information-grid{grid-template-columns:1fr;gap:14px}.cards .card:last-child{grid-column:auto}.card{min-height:0}.ai-block{padding:24px 19px}.flow-step{padding:18px}.contact-panel{display:block;padding:26px 22px}.contact-panel .mail{display:inline-block;margin-top:24px}.page-hero{padding:65px 0 45px}.timeline li{grid-template-columns:47px 1fr}.footer{padding-bottom:30px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}.button:hover{transform:none}}

/* Preserve explicit language selection on every page. */
.language-choice{display:inline-flex;gap:5px;align-items:center}.language-choice .lang-switch{white-space:nowrap}.language-choice .lang-switch[aria-current]{background:#eaf7fc;color:#111a24;border-color:#eaf7fc}.desktop-nav a.lang-switch:hover{color:var(--text);background:#253448}
@media(max-width:680px){.header-inner{height:auto;min-height:66px;padding:12px 0;flex-wrap:wrap;gap:12px}.desktop-nav{width:100%;flex-wrap:wrap;justify-content:space-between;gap:10px}.desktop-nav a:not(.lang-switch){display:inline}.language-choice{position:absolute;right:17px;top:11px}.language-choice a{font-size:.75rem;padding:5px 9px}.section{scroll-margin-top:125px}.brand{margin-bottom:7px}.desktop-nav>a{font-size:.75rem}}
h1,h2{text-wrap:balance}