:root{--ink:#17313b;--muted:#667a82;--line:#dbe7e7;--paper:#f7fbfa;--teal:#1c9b91;--teal-dark:#14766f;--dark:#17313b;--white:#fff;--soft:#eef7f6}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Yu Gothic",sans-serif;line-height:1.8}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible{outline:3px solid rgba(28,155,145,.35);outline-offset:4px}.wrap{width:min(1120px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:10;background:rgba(247,251,250,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:72px}.logo{width:124px;height:auto;display:block}.navlinks{display:flex;align-items:center;gap:22px;color:var(--muted);font-size:.92rem}.navlinks a:hover{color:var(--teal-dark)}.lang{border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);padding:6px 12px;font-weight:700;cursor:pointer}.hero{padding:104px 0 92px}.hero-inner{max-width:900px}.eyebrow{color:var(--teal-dark);font-size:.78rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase}.hero h1{font-size:clamp(3.5rem,9vw,7.4rem);line-height:.95;letter-spacing:-.08em;margin:18px 0 26px}.dot{color:var(--teal)}.lead{max-width:760px;margin:0;color:#46616a;font-size:clamp(1.15rem,2.4vw,1.55rem);line-height:1.9}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 20px;border:1px solid var(--line);border-radius:999px;background:#fff;font-weight:800}.btn.primary{background:var(--teal);border-color:var(--teal);color:#fff}.btn:hover{transform:translateY(-1px)}section{padding:40px 0}.section-head{max-width:760px;margin-bottom:34px}.section-head h2{font-size:clamp(2rem,4vw,3rem);line-height:1.25;letter-spacing:-.05em;margin:8px 0 12px}.section-head p{margin:0;color:var(--muted);font-size:1.02rem}.dark{background:var(--dark);color:#fff}.dark .eyebrow{color:#9be0d5}.dark p{color:#c4d7da}.about-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:54px;align-items:start}.about-copy{font-size:1.08rem;line-height:2}.facts{display:grid;gap:14px}.fact{padding:18px 20px;border:1px solid #41616a;border-radius:18px}.fact strong{display:block;font-size:1rem}.fact span{color:#c4d7da;font-size:.9rem}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px}.card h3{margin:0 0 10px;font-size:1.28rem}.card p{margin:0;color:var(--muted);font-size:.95rem}.icon{font-size:1.8rem;margin-bottom:18px;color:var(--teal-dark)}.service{display:grid;grid-template-columns:1fr .9fr;gap:34px;align-items:stretch}.service-main{background:#fff;border:1px solid var(--line);border-radius:28px;padding:32px}.service-main h3{font-size:1.75rem;margin:0 0 12px}.service-main p{color:var(--muted)}.service-link{margin-top:20px}.service-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}.point{padding:16px 18px;background:var(--soft);border-radius:16px}.point strong{display:block;font-size:.95rem}.point span{display:block;color:var(--muted);font-size:.86rem;margin-top:3px}.roadmap{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.road{border-top:3px solid var(--teal);padding-top:18px}.road h3{margin:0 0 8px}.road p{margin:0;color:var(--muted);font-size:.94rem}.cta{background:linear-gradient(135deg,#eaf7f5,#f3f8fb);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin:0 0 10px;font-size:clamp(1.9rem,4vw,2.7rem);line-height:1.25}.cta p{margin:0;color:var(--muted);max-width:680px}.footer{padding:34px 0 42px;background:#eaf1f1;border-top:1px solid #cbdada}.footer-top{display:flex;justify-content:space-between;gap:28px;align-items:flex-start}.footer-brand{font-weight:800;font-size:1.05rem}.footer-brand p{margin:8px 0 0;color:var(--muted);font-size:.86rem;font-weight:400}.footer-links{display:flex;flex-wrap:wrap;gap:14px 24px;justify-content:flex-end;font-size:.9rem;font-weight:700}.footer-links a{color:var(--ink)}.footer-links a:hover{text-decoration:underline}.copyright{margin-top:28px;padding-top:18px;border-top:1px solid #d4e0e0;color:#7a8a90;font-size:.78rem}
@media(max-width:820px){.navlinks{gap:13px;font-size:.82rem}.about-grid,.service{grid-template-columns:1fr}.cards,.roadmap{grid-template-columns:1fr}.service-points{grid-template-columns:1fr}.hero{padding:76px 0 62px}.cta-box{display:block}.cta-box .btn{margin-top:22px}}
@media(max-width:600px){.wrap{width:calc(100% - 28px)}.nav{min-height:64px}.logo{width:108px}.navlinks a:nth-child(-n+2){display:none}.hero h1{font-size:3.65rem}.lead{font-size:1.08rem}.actions{display:grid}.btn{width:100%}section{padding:30px 0}.card,.service-main{padding:24px}.footer-top{display:block}.footer-links{justify-content:flex-start;margin-top:22px}.copyright{margin-top:22px}}

[hidden]{display:none!important}.page-hero h1{font-size:clamp(2.3rem,6vw,4.8rem);line-height:1.3;letter-spacing:-.04em;white-space:pre-line;overflow-wrap:anywhere}.service-list{display:grid;grid-template-columns:1fr 1fr;gap:24px}.service-list .service-main{display:flex;flex-direction:column}.service-list .actions{margin-top:auto;padding-top:22px}.guide-steps{display:grid;gap:20px}.guide-step{padding:28px;background:white;border:1px solid var(--line);border-radius:24px}.guide-step h2{margin:0 0 12px;font-size:1.4rem}.guide-step p{margin:8px 0;color:var(--muted)}.notice{border-left:4px solid var(--teal);padding:20px 24px;background:var(--soft);border-radius:12px}.notice p{margin:8px 0}.skip{position:absolute;left:12px;top:-100px;background:white;padding:10px;z-index:20}.skip:focus{top:8px}.navlinks a,.lang{min-height:44px;display:inline-flex;align-items:center}.navlinks{flex-wrap:wrap;justify-content:flex-end}.logo{flex-shrink:0}.back-link{margin-bottom:20px;display:inline-block;color:var(--teal-dark);font-weight:700}section[id]{scroll-margin-top:140px}@media(max-width:820px){.service-list{grid-template-columns:1fr}}@media(max-width:600px){.nav{flex-wrap:wrap;gap:4px;padding:10px 0}.navlinks{width:100%;justify-content:space-between;gap:4px;font-size:.8rem}.navlinks a:nth-child(-n+2){display:inline-flex}.page-hero h1{font-size:2.25rem}.guide-step{padding:22px}.hero{padding:52px 0}.service-list .actions{display:grid}}

/* Journal */
.reading-header{padding:64px 0 42px}.reading-wrap{width:min(780px,calc(100% - 40px))}.reading-header h1{font-size:clamp(2rem,4.5vw,3.4rem);line-height:1.5;letter-spacing:-.035em;margin:16px 0 20px;overflow-wrap:anywhere}.reading-header .lead{font-size:1.1rem;line-height:2}.article-meta{font-size:.85rem;color:var(--muted)}.article-body{font-size:1.05rem;line-height:2;padding-bottom:76px;overflow-wrap:anywhere}.article-body h2{font-size:clamp(1.35rem,3vw,1.8rem);line-height:1.65;margin:52px 0 20px;scroll-margin-top:150px}.article-body p{margin:0 0 22px}.article-body li{margin-bottom:10px}.article-toc{background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:24px 28px}.article-toc h2{margin:0 0 14px;font-size:1.15rem}.article-toc ol{margin:0;padding-left:1.5em}.article-toc a,.text-link{color:var(--teal-dark);text-decoration:underline;text-underline-offset:4px}.article-example{background:white;border-left:4px solid var(--teal);padding:22px 24px;margin:26px 0;border-radius:0 16px 16px 0;white-space:pre-line}.article-example p{margin:0}.reading-related{margin-top:54px;padding-top:10px;border-top:1px solid var(--line)}.journal-preview{border-top:1px solid var(--line);background:var(--soft)}.journal-preview h3,.journal-list h3{line-height:1.6}.journal-list{padding-top:0}@media(max-width:600px){.reading-header{padding-top:38px}.reading-wrap{width:calc(100% - 28px)}.article-body{font-size:1rem}.article-toc{padding:20px}.article-example{padding:18px}.navlinks{gap:3px}.reading-header h1{font-size:1.9rem}}



/* Concrete descriptions and compact product layouts */
body{font-style:normal}.wrap{width:min(1080px,calc(100% - 40px))}.site-header{background:var(--paper);backdrop-filter:none}.nav{min-height:64px}.logo{width:108px}.navlinks{gap:18px;font-size:.88rem}.lang{border-radius:8px}.hero,.hero.page-hero{padding:40px 0 28px}.hero-inner{max-width:none}.hero h1,.page-hero h1{font-size:clamp(1.7rem,3.5vw,2.25rem);line-height:1.5;letter-spacing:-.025em;margin:8px 0 16px;white-space:normal}.home-intro{padding-bottom:12px}.lead{font-size:1.05rem;line-height:1.9;max-width:760px}.section-head{margin-bottom:22px}.section-head h2,.cta h2{font-size:1.5rem;line-height:1.5;letter-spacing:-.015em}.section-head p{font-size:1rem}.actions{gap:10px;margin-top:22px}.btn{border-radius:8px;min-height:44px;padding:9px 16px;font-size:.94rem;font-weight:650}.btn:hover{transform:none}.service-list{gap:20px}.service-main,.card{padding:24px;border-radius:12px}.service-main h3{font-size:1.3rem;line-height:1.55;margin-bottom:10px}.service-main p{margin:0 0 14px;font-size:.96rem;line-height:1.8}.service-list .actions{padding-top:6px}.dark{background:var(--soft);color:var(--ink);border-block:1px solid var(--line)}.dark p,.dark .fact span{color:#46616a}.fact{border-color:var(--line);border-radius:8px}.about-grid{gap:30px}.about-copy{font-size:1rem;line-height:1.9}.cta{background:var(--soft)}.roadmap{gap:24px}.road h3{font-size:1.1rem}.guide-step{padding:22px;border-radius:10px}.guide-step h2{font-size:1.2rem}.footer-top{gap:24px}.footer-links{max-width:680px;gap:10px 20px}.footer-brand{font-size:1rem}.back-link{margin-bottom:12px;font-size:.9rem}.usage-example{background:var(--soft);border:1px solid var(--line);border-radius:8px;margin:6px 0 20px;padding:16px;font-size:.88rem}.usage-example figcaption{font-size:.8rem;color:var(--muted);margin-bottom:12px}.example-timeline{list-style:none;margin:0;padding:0}.example-timeline li{display:grid;grid-template-columns:66px 1fr;gap:12px;padding:9px 0;border-top:1px solid var(--line)}.example-timeline li:first-child{border-top:0;padding-top:0}.example-timeline time{color:var(--muted);font-variant-numeric:tabular-nums}.example-timeline strong,.example-timeline span{display:block}.example-timeline strong{font-weight:650}.example-timeline span{font-size:.82rem;color:var(--muted)}.usage-example .example-note{font-size:.78rem;line-height:1.7;color:var(--muted);margin:12px 0 0}.example-input{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}.example-input dt{font-size:.8rem;color:var(--muted)}.example-input dd{margin:0;font-weight:600}.example-result{margin-top:12px;padding:14px;background:white;border:1px solid var(--line);border-radius:6px}.example-result strong,.example-result span{display:block}.example-result strong{font-size:1.1rem;color:var(--teal-dark)}.example-result span{font-size:.86rem;margin-top:4px}.example-layout{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}.example-layout h2{font-size:1.4rem;margin-top:0}.example-layout p{font-size:1rem;color:#46616a}.example-layout .usage-example{margin:0}.example-section{padding:28px 0}.journal-preview{background:transparent}.journal-preview h3,.journal-list h3{font-size:1.15rem}.journal-preview .service-main,.journal-list .service-main{padding:20px}.reading-header{padding:36px 0 28px}.reading-header h1{font-size:clamp(1.7rem,3vw,2.15rem);line-height:1.6;letter-spacing:-.02em}.reading-header .lead{font-size:1rem}.article-body{font-size:1rem;line-height:1.95}.article-body h2{font-size:1.35rem;margin-top:38px}.article-toc{padding:20px 24px;border-radius:8px}.article-toc h2{margin-top:0;font-size:1.1rem}.article-example{border-radius:0 8px 8px 0}.journal-list{padding-top:8px}
@media(max-width:820px){.example-layout{grid-template-columns:1fr}.example-layout{gap:16px}.service-list{grid-template-columns:1fr 1fr}.navlinks{gap:12px}}
@media(max-width:600px){.wrap{width:calc(100% - 28px)}.nav{gap:4px;padding:8px 0}.navlinks{gap:4px;font-size:.78rem}.logo{width:96px}.hero,.hero.page-hero{padding:26px 0 16px}.hero h1,.page-hero h1{font-size:1.65rem;line-height:1.55}.home-intro{padding-bottom:0}.lead{font-size:1rem}.section-head h2,.cta h2{font-size:1.3rem}.service-list{grid-template-columns:1fr;gap:16px}.service-main,.card{padding:20px}.actions{margin-top:18px}.service-main h3{font-size:1.2rem}.reading-wrap{width:calc(100% - 28px)}.reading-header h1{font-size:1.65rem}.footer-links{gap:10px 16px}.usage-example{padding:14px}.guide-step{padding:20px}.guide-step h2{font-size:1.1rem}.article-toc{padding:18px}.example-section{padding-top:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.home-intro{padding-top:28px}#services{padding-top:24px}#services .service-main .actions{margin-top:4px;margin-bottom:16px;padding-top:0}#services .usage-example{margin-bottom:0}