:root{color-scheme:light;font-family:"Segoe UI",Arial,sans-serif;color:#243247;background:#f7f5f0;--blue:#2463c5;--muted:#606c7b;--line:#e3dedb}
*{box-sizing:border-box}html{line-height:1.5;-webkit-text-size-adjust:100%}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 95% 0%,#ddeafb80,transparent 45%)}svg{display:block}a{color:inherit;text-decoration:none;text-underline-offset:4px}button,input,textarea{font-family:inherit}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--blue);outline-offset:5px}
.header{width:min(1080px,calc(100% - 64px));margin:auto;min-height:104px;display:flex;align-items:center;justify-content:space-between;gap:28px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:10px;font-size:23px;font-weight:750;letter-spacing:-1px}.brand-soft{color:var(--blue)}nav{display:flex;flex-wrap:wrap;gap:8px}nav a{font-size:14px;font-weight:550;color:#526174;padding:9px 15px;border-radius:24px;transition:background .18s,color .18s}nav a:hover,nav a[aria-current=page]{background:#e1ecfb;color:#20539e}
.home{width:min(1080px,calc(100% - 64px));margin:42px auto 0}.hero{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:32px;min-height:400px;padding:64px 28px;background:linear-gradient(125deg,#e1edfc,#e5eef8 65%,#dcecff);border:1px solid #d4e2f3;border-radius:32px;text-align:center}h1{font-size:clamp(36px,5vw,56px);font-weight:700;line-height:1.1;letter-spacing:-2px;margin:0 0 32px}.hero h1{font-size:clamp(32px,5vw,60px);letter-spacing:-2px;margin:0;line-height:1.2}.hero h1 span{color:var(--blue)}.button,button{display:inline-flex;align-items:center;justify-content:center;gap:25px;background:var(--blue);color:white;border:0;border-radius:12px;padding:14px 21px;font:inherit;font-size:14px;font-weight:650;cursor:pointer;transition:background .18s,transform .18s}.button:hover,button:hover{background:#194d9f;transform:translateY(-2px)}

.home-links{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}.home-card{display:flex;align-items:center;justify-content:center;gap:18px;padding:26px;border:1px solid #a9cef2;border-radius:18px;background:linear-gradient(135deg,#c7e4ff,#afd5fa);color:#194878;box-shadow:inset 0 1px 0 #ffffffa6,0 4px 12px #3475b50a;transition:transform .2s,box-shadow .2s,border-color .2s}.home-card:hover{border-color:#7bb5ea;transform:translateY(-2px);box-shadow:inset 0 1px 0 #ffffffb3,0 8px 22px #3475b51c}.home-card:active{transform:translateY(0);box-shadow:inset 0 1px 3px #3475b512}.home-card h2{font-size:19px;font-weight:600;margin:0;letter-spacing:-.4px}.home-footer{display:flex;justify-content:space-between;padding:30px 2px;color:#647184;font-size:12px}.home-footer>span{font-weight:650}.home-footer a:hover{text-decoration:underline}
.page{width:min(800px,calc(100% - 48px));margin:56px auto 80px;padding:44px;background:#fffcf8;border:1px solid var(--line);border-top:5px solid #8eb4e6;border-radius:24px;box-shadow:0 12px 35px #29456705}h2{font-size:22px;font-weight:650;letter-spacing:-.5px;margin:0 0 20px}.app{padding:28px;background:#e7effa;border:1px solid #d3e1f3;border-radius:18px}.app h2{color:#20539e}.downloads{display:flex;flex-wrap:wrap;gap:14px}.downloads a{display:inline-flex;align-items:center;gap:10px;background:#fffcf8;border:1px solid #ceddef;border-radius:11px;padding:12px 16px;font-size:15px;color:#2b4f7b}.downloads a:hover{background:#edf5ff;border-color:#81a9dc}.store-icon{width:24px;height:26px;flex-shrink:0}.apple-icon{color:#243247}.policy p{font-size:16px;line-height:1.8;color:#576577;margin:0 0 20px}.policy h2{margin:36px 0 16px;color:#2a5695}.support{max-width:620px;border-top-color:#8eb4e6}form{display:flex;flex-direction:column;align-items:flex-start;width:100%}label{font-size:14px;font-weight:600;margin-bottom:9px}input,textarea{font:inherit;line-height:1.6;width:100%;padding:12px 14px;border:1px solid #ccd8e7;border-radius:10px;background:#f5f8fc;color:#243247;margin-bottom:24px}textarea{resize:vertical;min-height:140px}.form-note{font-size:14px;line-height:1.6;color:var(--muted);margin:0 0 20px}.form-note a{color:#245ba8;text-decoration:underline}button{margin-bottom:20px}.skip{position:fixed;top:-70px;left:16px;padding:12px;background:#fff;z-index:10}.skip:focus{top:10px}
@media(max-width:540px){.header{width:calc(100% - 40px);min-height:120px;align-items:flex-start;flex-direction:column;gap:14px;padding:23px 0 15px}nav{gap:4px;margin-left:-11px}nav a{padding:7px 11px;font-size:13px}.home{width:calc(100% - 32px);margin-top:24px}.hero{min-height:340px;padding:44px 24px;border-radius:24px;gap:28px}.hero h1{font-size:clamp(30px,8vw,42px);letter-spacing:-1.3px}.home-links{grid-template-columns:1fr;gap:14px;margin-top:16px}.home-card{padding:22px}.page{width:calc(100% - 32px);margin-top:28px;padding:28px 22px}h1{letter-spacing:-1.5px}.downloads{flex-direction:column}.downloads a{justify-content:center}.app{padding:22px}.policy p{font-size:15px}.home-footer{padding:25px 4px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important}}

.header{flex-wrap:wrap;padding-top:18px;padding-bottom:18px}
.language-control{display:flex;align-items:center;gap:8px;margin-left:auto}
.language-control[hidden]{display:none}
.language-toggle{gap:3px;margin:0;padding:4px;min-height:44px;border:1px solid #d3e1f3;border-radius:24px;background:#e7effa;color:#526174;font-size:13px;font-weight:600;box-shadow:inset 0 1px 0 #ffffffa6}
.language-toggle span{padding:6px 12px;border-radius:20px;line-height:1.5;transition:background .18s,color .18s,box-shadow .18s}
.language-toggle .is-active{background:#fffcf8;color:#20539e;box-shadow:0 1px 4px #29456714}
.language-toggle:hover{background:#dce9f9;transform:none}
.language-toggle:active{background:#d3e3f7}
.hero h1 .welcome-text{color:inherit}
html:lang(ja){font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif}
html:lang(ja) h1,html:lang(ja) h2{letter-spacing:normal;line-height:1.5;overflow-wrap:anywhere}
@media(max-width:540px){.language-control{margin-left:0}}
html:lang(ja) .hero h1 span{display:inline-block}
.contact-trap{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
button:disabled{opacity:.55;cursor:wait;transform:none}
.captcha-retry{background:#e7effa;color:#20539e;border:1px solid #d3e1f3}
.captcha-retry:hover{background:#dce9f9}
.captcha-retry[hidden]{display:none}
#captcha{max-width:140px}
#contact-status [data-status="success"]{color:#256440}