:root{color-scheme:light;--background: #fffaf5;--foreground: #221814;--muted: #fff2e7;--muted-foreground: #7d6b62;--border: #f1d9c9;--surface: rgba(255, 255, 255, .72);--surface-soft: rgba(255, 255, 255, .56);--surface-solid: #ffffff;--header-bg: rgba(255, 250, 245, .82);--footer-bg: rgba(255, 246, 238, .72);--subtle-border: rgba(241, 217, 201, .86);--grid-line: transparent;--glow-warm: rgba(255, 217, 133, .46);--glow-cool: rgba(185, 222, 215, .32);--cta-bg: radial-gradient(circle at 88% 18%, rgba(255, 217, 133, .7), transparent 20rem), linear-gradient(135deg, #fff7ef, #ffe2d0);--brand: #f3733f;--brand-dark: #df5d2c;--brand-soft: #ffe5d4;--mint: #b9ded7;--lilac: #d7c8ff;--yellow: #ffd985;--shadow: 0 24px 80px rgba(118, 54, 25, .16);--font-sans: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif}[data-theme=dark]{color-scheme:dark;--background: #120f0d;--foreground: #fff7ef;--muted: #201815;--muted-foreground: #c2aaa0;--border: #473229;--surface: rgba(32, 24, 21, .78);--surface-soft: rgba(28, 22, 19, .64);--surface-solid: #1b1513;--header-bg: rgba(18, 15, 13, .82);--footer-bg: rgba(21, 16, 14, .82);--subtle-border: rgba(83, 57, 45, .78);--grid-line: transparent;--glow-warm: rgba(243, 115, 63, .2);--glow-cool: rgba(106, 158, 151, .18);--cta-bg: radial-gradient(circle at 88% 18%, rgba(243, 115, 63, .22), transparent 20rem), linear-gradient(135deg, #201612, #2b1b14);--brand: #ff8a52;--brand-dark: #ff9b68;--brand-soft: rgba(255, 138, 82, .17);--shadow: 0 24px 80px rgba(0, 0, 0, .36)}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--background);-webkit-text-size-adjust:100%}body{margin:0;min-height:100vh;color:var(--foreground);background:linear-gradient(90deg,var(--grid-line) 1px,transparent 1px) 0 0 / 72px 72px,radial-gradient(circle at 85% 8%,var(--glow-warm),transparent 28rem),radial-gradient(circle at 8% 26%,var(--glow-cool),transparent 24rem),var(--background);font-family:var(--font-sans);line-height:1.5;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.container{width:min(1120px,100% - 48px);margin:0 auto}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--subtle-border);background:var(--header-bg);backdrop-filter:blur(18px)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:66px}.brand-link,.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em}.app-icon{width:34px;height:34px;border-radius:11px;box-shadow:0 10px 22px #f1663538;object-fit:cover}.app-icon-small{width:38px;height:38px}.header-nav{display:flex;align-items:center;gap:24px;color:var(--muted-foreground);font-size:.92rem;font-weight:700}.header-actions{display:flex;align-items:center;gap:18px;min-width:0}.header-nav a:hover{color:var(--brand-dark)}.language-switcher{position:relative;flex:0 0 auto}.language-switcher:after{position:absolute;top:50%;right:13px;width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;color:var(--muted-foreground);content:"";pointer-events:none;transform:translateY(-65%) rotate(45deg)}.language-select{width:112px;height:40px;appearance:none;border:1px solid var(--border);border-radius:999px;padding:0 32px 0 14px;background:var(--surface);color:var(--foreground);box-shadow:0 12px 30px #76361914;cursor:pointer;font:inherit;font-size:.88rem;font-weight:800}.language-select:hover,.language-select:focus-visible{border-color:color-mix(in srgb,var(--brand) 52%,var(--border));outline:none}.theme-switch{display:inline-flex;align-items:center;justify-content:space-between;gap:14px;min-width:142px;border:1px solid var(--border);border-radius:999px;padding:7px 8px 7px 15px;background:var(--surface);color:var(--foreground);box-shadow:0 12px 30px #76361914;cursor:pointer;font:inherit;font-size:.9rem;font-weight:800}.theme-switch:hover{border-color:color-mix(in srgb,var(--brand) 52%,var(--border))}.theme-switch-track{position:relative;display:inline-flex;flex:0 0 auto;width:48px;height:28px;border-radius:999px;background:color-mix(in srgb,var(--muted-foreground) 24%,var(--surface-solid));transition:background .18s ease}.theme-switch-thumb{position:absolute;top:4px;left:4px;width:20px;height:20px;border-radius:50%;background:var(--surface-solid);box-shadow:0 5px 12px #76361929;transition:transform .18s ease,box-shadow .18s ease}.theme-switch[aria-pressed=true] .theme-switch-track{background:var(--brand)}.theme-switch[aria-pressed=true] .theme-switch-thumb{transform:translate(20px);box-shadow:0 0 18px #ff8a5261}.section{padding:104px 0}.section-heading{max-width:760px}.section-heading p:not(.section-kicker){margin-top:18px;color:var(--muted-foreground);font-size:1.08rem}.section-kicker{margin:0;color:var(--brand-dark);font-size:.82rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase}h1,h2,h3,p{overflow-wrap:break-word;word-break:keep-all}html:lang(ja) h1,html:lang(ja) h2,html:lang(ja) h3,html:lang(ja) p,html:lang(ja) a,html:lang(ja) span{line-break:strict;overflow-wrap:anywhere;word-break:normal}h1,h2,h3{margin:0;font-weight:900;letter-spacing:-.045em;line-height:1.04}h1{max-width:680px;font-size:clamp(2.55rem,4.1vw,4.15rem)}h2{margin-top:12px;font-size:clamp(1.95rem,3.5vw,3.45rem)}h3{font-size:1.42rem}p{margin:0}.hero{overflow:hidden;padding:78px 0 110px}.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,470px);gap:clamp(48px,8vw,92px);align-items:center}.hero-copy{position:relative;z-index:2}.hero-lede{max-width:610px;margin-top:24px;color:var(--muted-foreground);font-size:clamp(1.15rem,2vw,1.36rem)}.store-badges{display:flex;flex-wrap:wrap;gap:18px;align-items:center;margin-top:38px}.store-badges a{display:inline-flex;align-items:center;justify-content:center;max-width:100%}.store-badge-image{display:block;width:auto;max-width:100%}.store-badge-apple{height:56px}.store-badge-google{height:59px}.hero-device-card{position:relative;z-index:1;justify-self:center;width:min(100%,360px);border:7px solid var(--surface-solid);border-radius:34px;background:var(--surface-solid);box-shadow:var(--shadow)}.hero-device-card img{width:100%;height:auto;border-radius:27px}.feature-section{background:var(--surface-soft)}.feature-layout{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1fr);gap:54px;align-items:start}.feature-grid{display:grid;gap:18px}.feature-card{border:1px solid var(--border);border-radius:28px;padding:28px;background:var(--surface);box-shadow:0 14px 46px #7636190f}[data-theme=dark] .feature-card,[data-theme=dark] .legal-article{box-shadow:0 18px 54px #0000003d}.feature-icon{display:inline-grid;min-width:58px;height:34px;place-items:center;margin-bottom:18px;border-radius:999px;color:var(--brand-dark);background:var(--brand-soft);padding:0 14px;font-size:.9rem;font-weight:900}.feature-card span{display:block;margin-top:12px;color:var(--muted-foreground);font-size:.98rem}.preview-layout{display:grid;gap:52px}.preview-layout .section-heading{margin:0 auto;text-align:center}.preview-rail{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px;align-items:start}.preview-item{text-align:center}.preview-item img{width:100%;height:auto;border:4px solid var(--surface-solid);border-radius:24px;background:var(--surface-solid);box-shadow:0 18px 54px #7636191f}[data-theme=dark] .preview-item img{box-shadow:0 18px 54px #00000057}.preview-item:nth-child(2n){margin-top:42px}.preview-item h3{margin-top:18px;font-size:1.1rem}.preview-item p{margin-top:4px;color:var(--muted-foreground);font-size:.9rem}.final-cta{padding-top:72px}.cta-panel{overflow:hidden;border:1px solid var(--border);border-radius:42px;padding:clamp(44px,7vw,78px);background:var(--cta-bg)}.cta-panel h2{max-width:780px;font-size:clamp(2rem,4.1vw,3.75rem)}.text-cta{display:inline-flex;margin-top:28px;border-bottom:2px solid currentColor;color:var(--brand-dark);font-weight:900}[data-theme=dark] .app-icon{box-shadow:0 10px 28px #ff70362e}.site-footer{border-top:1px solid var(--subtle-border);background:var(--footer-bg)}.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,.9fr) minmax(0,1fr) auto;gap:40px;align-items:start;padding:48px 0}.footer-grid p{max-width:280px;margin-top:12px;color:var(--muted-foreground);font-size:.92rem}.footer-grid h2{margin:0 0 12px;color:var(--muted-foreground);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}.footer-grid a{display:block;color:color-mix(in srgb,var(--foreground) 82%,transparent);font-size:.92rem}.footer-grid a+a{margin-top:8px}.footer-theme{display:flex;justify-content:flex-end}.copyright{border-top:1px solid var(--subtle-border);padding:24px 0;color:var(--muted-foreground);font-size:.8rem}.legal-main{min-height:calc(100vh - 66px);padding:96px 0 120px}.legal-article{max-width:820px;border:1px solid var(--border);border-radius:36px;padding:clamp(32px,6vw,72px);background:var(--surface);box-shadow:0 18px 54px #76361914}.legal-article h1{margin-top:18px;font-size:clamp(2.6rem,6vw,4.6rem)}.legal-article h2{margin-top:42px;font-size:1.6rem;letter-spacing:-.03em}.legal-article p{margin-top:18px;color:var(--muted-foreground);font-size:1.05rem}.legal-article ul{margin:16px 0 0;padding-left:1.2rem;color:var(--muted-foreground);font-size:1.05rem}.legal-article li+li{margin-top:8px}.legal-article a{color:var(--brand-dark);font-weight:800}.legal-updated{color:var(--brand-dark)!important;font-weight:800}.back-link{display:inline-flex;border-bottom:2px solid currentColor;font-size:.92rem}@media(max-width:980px){.hero-grid,.feature-layout{grid-template-columns:1fr}.hero-copy,.feature-heading{text-align:center}h1,.hero-lede,.section-heading p:not(.section-kicker){margin-right:auto;margin-left:auto}.store-badges{justify-content:center}.hero-device-card{width:min(100%,340px);margin:0 auto}.preview-rail{display:flex;gap:22px;overflow-x:auto;margin-right:calc((100vw - 100%)/-2);margin-left:calc((100vw - 100%)/-2);padding:0 max(16px,calc((100vw - 100%)/2)) 18px;-webkit-overflow-scrolling:touch;scroll-snap-type:x mandatory;scrollbar-width:none}.preview-rail::-webkit-scrollbar{display:none}.preview-item{width:clamp(188px,42vw,240px);max-width:none;flex:0 0 auto;scroll-snap-align:center}.preview-item:nth-child(2n){margin-top:0}.footer-grid{grid-template-columns:1fr}.footer-theme{justify-content:flex-start}}@media(max-width:640px){.container{width:min(100% - 32px,1120px)}body{background:radial-gradient(circle at 92% 4%,var(--glow-warm),transparent 18rem),radial-gradient(circle at 2% 22%,var(--glow-cool),transparent 17rem),var(--background)}.site-header{position:relative}.header-inner{align-items:flex-start;height:auto;min-height:66px;padding:14px 0}.brand-link{max-width:32%;min-height:38px}.brand-link span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-actions{flex:1 1 auto;justify-content:flex-end;min-width:0;gap:8px}.header-nav{justify-content:flex-end;gap:6px;min-width:0;font-size:.74rem;text-align:right}.header-nav a{padding:8px 0;line-height:1.18}.language-select{width:98px;height:36px;padding-right:28px;padding-left:12px;font-size:.78rem}.language-switcher:after{right:11px}.hero,.section{padding:68px 0}h1{font-size:clamp(2.1rem,9.6vw,3rem)}h2{font-size:clamp(1.78rem,8vw,2.55rem)}.section-heading p:not(.section-kicker),.hero-lede{font-size:1.03rem}.store-badges{width:100%;gap:12px}.store-badges a{flex:1 1 138px}.store-badge-apple{height:48px}.store-badge-google{height:51px}.hero-device-card{width:min(100%,292px);border-width:5px;border-radius:28px}.hero-device-card img{border-radius:23px}.preview-item{width:clamp(174px,58vw,220px)}.feature-card{border-radius:22px;padding:22px}.cta-panel{border-radius:30px}.footer-grid{gap:28px;padding:40px 0}.legal-main{min-height:auto;padding:56px 0 82px}.legal-article{border-radius:28px}}@media(max-width:480px){.container{width:min(100% - 28px,1120px)}.header-inner{display:grid;grid-template-columns:1fr auto}.brand-link{max-width:none}.header-actions{display:contents}.language-switcher{grid-column:2;grid-row:1;align-self:center}.header-nav{grid-column:1 / -1;grid-row:2;justify-content:flex-start;overflow-x:auto;padding:2px 0 1px;text-align:left;white-space:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:none}.header-nav::-webkit-scrollbar{display:none}.header-nav a{flex:0 0 auto;border:1px solid var(--subtle-border);border-radius:999px;padding:8px 11px;background:var(--surface-soft)}.language-select{width:100px}.hero{padding-top:54px}.store-badges{align-items:stretch}.store-badges a{flex-basis:100%}.store-badge-apple,.store-badge-google{height:50px}.hero-device-card{width:min(100%,260px)}.preview-layout{gap:36px}.preview-rail{gap:16px}.cta-panel{padding:34px 24px}.text-cta{line-height:1.35}}@media(max-width:360px){.container{width:min(100% - 24px,1120px)}.app-icon{width:32px;height:32px;border-radius:10px}.brand-link,.footer-brand{gap:8px}.language-select{width:94px}.hero,.section{padding:56px 0}h1{font-size:1.96rem}h2,.cta-panel h2{font-size:1.68rem}.hero-lede,.section-heading p:not(.section-kicker),.legal-article p,.legal-article ul{font-size:.98rem}.store-badge-apple,.store-badge-google{height:46px}.hero-device-card{width:min(100%,236px);border-radius:25px}.hero-device-card img{border-radius:20px}.preview-item{width:168px}.legal-article{border-radius:22px;padding:26px 20px}}