:root{--navy:#07152f;--ink:#12234a;--blue:#3c71ef;--soft:#f2f6fc;--line:#dbe5f3;--muted:#64738c;--pink:#ec4772}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:Inter,"Noto Sans JP","Yu Gothic UI","Segoe UI",sans-serif;line-height:1.65}html[lang="ja"] body{line-break:strict}html[lang="ja"] h1,html[lang="ja"] h2,html[lang="ja"] h3,html[lang="ja"] p{word-break:auto-phrase}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.topbar{position:sticky;top:0;z-index:20;height:70px;padding:0 max(20px,calc((100vw - 1160px)/2));display:flex;align-items:center;gap:35px;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;margin-right:auto}.brand img{width:40px;border-radius:12px}.brand span{display:flex;flex-direction:column;line-height:1}.brand b{letter-spacing:.1em}.brand small{margin-top:5px;color:var(--muted);font-size:.67rem}.topbar nav{display:flex;gap:25px;font-size:.8rem;font-weight:800}.topbar nav a:hover{color:var(--blue)}.language{display:flex;padding:3px;background:#edf3fc;border-radius:99px}.language button{padding:7px 11px;border:0;border-radius:99px;background:transparent;color:var(--muted);font-weight:850;cursor:pointer}.language button.active{color:var(--ink);background:#fff;box-shadow:0 2px 9px #ccd8e9}.overline{margin:0;color:var(--blue);font-size:.68rem;font-weight:900;letter-spacing:.18em}.intro{display:grid;grid-template-columns:1.15fr .85fr;gap:80px;align-items:end;padding-top:72px;padding-bottom:65px}.intro-copy h1,.stage-head h2,.workflow h2,.support h2,.privacy h2{margin:15px 0;line-height:1.1;letter-spacing:-.045em;text-wrap:balance}.intro-copy h1{font-size:clamp(3.2rem,5.6vw,5.8rem);max-width:780px}.intro-copy>p:not(.overline){max-width:700px;color:var(--muted);font-size:1.05rem}.intro-actions{display:flex;align-items:center;gap:20px;margin-top:28px}.store-button,.donate{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 20px;border-radius:12px;color:#fff;background:var(--blue);font-weight:850;box-shadow:0 13px 30px rgba(60,113,239,.23)}.store-button i,.donate i{font-style:normal}.text-link{font-size:.82rem;font-weight:850;color:var(--blue)}.intro-summary{border-top:1px solid var(--line)}.intro-summary div{display:grid;grid-template-columns:82px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}.intro-summary b{font-size:.68rem;letter-spacing:.14em;color:var(--blue)}.intro-summary span{font-size:.86rem;color:var(--muted)}.app-stage{padding:68px 0 54px;background:linear-gradient(150deg,#eef5ff,#f9fbfe)}.stage-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:30px}.stage-head h2,.workflow h2,.privacy h2{font-size:clamp(2.4rem,4vw,4rem)}.view-switch{display:flex;padding:4px;background:#e2ebf7;border-radius:99px}.view-switch button{padding:7px 13px;border:0;border-radius:99px;background:transparent;color:var(--muted);font-weight:800;cursor:pointer}.view-switch button.active{color:var(--ink);background:#fff;box-shadow:0 3px 12px #cbd8e9}.app-canvas{position:relative;min-height:670px;display:grid;place-items:center}.app-window{position:relative;z-index:2;width:76%;padding:8px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 30px 80px rgba(24,70,137,.2)}.window-top{height:36px;display:flex;align-items:center;gap:6px;padding:0 8px}.window-top span{width:7px;height:7px;border-radius:50%;background:#d7dfe9}.window-top span:first-child{background:#ff7474}.window-top span:nth-child(2){background:#ffc95d}.window-top span:nth-child(3){background:#65d499}.window-top small{margin-left:auto;color:#8390a4;font-size:.62rem}.app-window img{border-radius:16px}.callout{position:absolute;z-index:3;width:215px;padding:17px;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:17px;box-shadow:0 16px 38px rgba(24,70,137,.12)}.callout span{display:block;margin-bottom:8px;color:var(--blue);font-size:.65rem;font-weight:900;letter-spacing:.14em}.callout b,.callout small{display:block}.callout b{font-size:.9rem}.callout small{margin-top:4px;color:var(--muted);font-size:.7rem;line-height:1.45}.callout-one{left:0;top:8%}.callout-two{right:0;top:13%}.callout-three{left:1%;bottom:10%}.callout-four{right:1%;bottom:8%}.sample-note{text-align:center;color:var(--muted);font-size:.72rem}.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:0;padding-top:54px;padding-bottom:54px}.feature-strip article{display:grid;grid-template-columns:50px 1fr;gap:14px;padding:10px 30px;border-right:1px solid var(--line)}.feature-strip article:first-child{padding-left:0}.feature-strip article:last-child{border-right:0;padding-right:0}.feature-strip i{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;color:var(--blue);background:#eaf1ff;font-style:normal;font-size:1.2rem}.feature-strip h3{margin:0 0 5px;font-size:1rem}.feature-strip p{margin:0;color:var(--muted);font-size:.78rem}.workflow{padding:68px 0;background:var(--navy);color:#fff}.workflow-grid{display:grid;grid-template-columns:.65fr .8fr 1.15fr;align-items:center;gap:48px}.workflow .overline{color:#71b8ff}.workflow ol{margin:0;padding:0;list-style:none}.workflow li{display:flex;gap:12px;padding:15px 0;border-top:1px solid rgba(255,255,255,.13)}.workflow li>b{display:grid;place-items:center;width:31px;height:31px;border-radius:9px;background:var(--blue);font-size:.72rem}.workflow li span{display:flex;flex-direction:column}.workflow strong{font-size:.9rem}.workflow small{margin-top:2px;color:#9eb0cb;font-size:.72rem}.workflow-image{padding:6px;background:#fff;border-radius:17px}.workflow-image img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top;border-radius:12px}.workflow-image span{display:block;padding:9px 8px 5px;color:var(--ink);font-size:.7rem;font-weight:800}.support{display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:68px;padding-top:72px;padding-bottom:72px}.support-image{position:relative}.support-image>img:first-child{width:100%;border-radius:22px;box-shadow:0 25px 65px rgba(18,62,124,.17);transform:rotate(-2deg)}.support-image>img:last-child{position:absolute;width:72px;right:-12px;bottom:-18px;border-radius:20px;box-shadow:0 15px 35px rgba(18,62,124,.25)}.support h2{font-size:clamp(2.5rem,4.2vw,4.3rem)}.support-copy>p:not(.overline){color:var(--muted)}.support-facts{display:flex;gap:20px;margin:20px 0;color:var(--ink);font-size:.8rem}.support-facts span{display:flex;gap:6px}.support-facts i{font-style:normal}.donate{background:var(--pink);box-shadow:0 13px 30px rgba(236,71,114,.24)}.support-copy>small{display:block;margin-top:9px;color:var(--muted)}.privacy{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;padding-top:58px;padding-bottom:58px;border-top:1px solid var(--line)}.privacy p{color:var(--muted)}.privacy a{color:var(--blue);font-weight:850}.footer{display:flex;align-items:center;gap:25px;padding:26px 0 34px;border-top:1px solid var(--line)}.footer p{margin-left:auto;color:var(--muted);font-size:.72rem}.footer>a:last-child{font-size:.78rem;font-weight:800}@media(max-width:960px){.topbar nav{display:none}.intro{grid-template-columns:1fr;gap:35px}.intro-summary{display:grid;grid-template-columns:repeat(3,1fr)}.intro-summary div{display:flex;flex-direction:column}.app-canvas{min-height:auto;padding:0 0 180px}.app-window{width:100%}.callout{width:calc(50% - 10px)}.callout-one,.callout-three{left:0}.callout-two,.callout-four{right:0}.callout-one,.callout-two{top:auto;bottom:88px}.callout-three,.callout-four{bottom:0}.workflow-grid{grid-template-columns:1fr 1fr}.workflow-image{grid-column:1/-1}.support{grid-template-columns:1fr;gap:38px}.support-image{max-width:620px;margin:auto}.privacy{grid-template-columns:1fr;gap:20px}}@media(max-width:620px){.wrap{width:min(100% - 24px,1160px)}.topbar{height:64px;padding:0 12px}.brand img{width:35px}.intro{padding-top:42px;padding-bottom:48px}.intro-copy h1{font-size:2.8rem}.intro-actions{align-items:stretch;flex-direction:column}.store-button{width:100%}.intro-summary{grid-template-columns:1fr}.intro-summary div{display:grid}.stage-head{align-items:flex-start;flex-direction:column;gap:16px}.stage-head h2,.workflow h2,.privacy h2{font-size:2.25rem}.app-canvas{padding-bottom:342px}.callout{width:100%;position:absolute}.callout-one{bottom:258px}.callout-two{bottom:172px}.callout-three{bottom:86px}.callout-four{bottom:0}.feature-strip{grid-template-columns:1fr}.feature-strip article,.feature-strip article:first-child,.feature-strip article:last-child{padding:17px 0;border-right:0;border-bottom:1px solid var(--line)}.workflow-grid{grid-template-columns:1fr;gap:30px}.workflow-image{grid-column:auto}.support{padding-top:55px;padding-bottom:55px}.support h2{font-size:2.45rem}.support-facts{flex-direction:column;gap:5px}.donate{width:100%}.privacy{padding-top:50px;padding-bottom:50px}.footer{align-items:flex-start;flex-wrap:wrap}.footer .brand{width:100%}.footer p{width:100%;margin:0;order:3}}