:root{--indigo:#1e3556;--indigo-deep:#142640;--sky:#e9eff6;--sky-mid:#cfdbe9;--ink:#1a1f26;--ink-soft:#4b5563;--paper:#fff;--koji:#b8891a;--ok:#2f6b3a;--err:#a33a2a;--max:1080px;--measure:62ch;--radius:6px;font-family:var(--font-zen), "Hiragino Kaku Gothic ProN", "Noto Sans JP", system-ui, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-size:17px;line-height:1.65}h1,h2,h3{letter-spacing:-.01em;margin:0;font-weight:700;line-height:1.2}h1{font-size:clamp(2rem,5vw,3.4rem)}h2{margin-bottom:.6em;font-size:clamp(1.6rem,3.2vw,2.2rem)}h3{font-size:1.15rem}p{max-width:var(--measure);margin:0 0 1em}ul{max-width:var(--measure);margin:0;padding-left:1.2em}li{margin-bottom:.45em}a{color:var(--indigo)}html[lang=ja] body{line-height:1.85}html[lang=ja] h1,html[lang=ja] h2{letter-spacing:0;line-height:1.35}html[lang=ja] h1{font-size:clamp(1.75rem,4.4vw,3rem)}html[lang=ko] body{font-family:var(--font-zen), "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;word-break:keep-all;line-height:1.8}html[lang=zh] body{font-family:var(--font-zen), "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;line-height:1.85}html[lang=ko] h1,html[lang=zh] h1{letter-spacing:0;font-size:clamp(1.75rem,4.4vw,3rem);line-height:1.35}.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}section{padding:4.5rem 0}section+section{border-top:1px solid var(--sky-mid)}.header{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--sky-mid);z-index:10;background:#fffffff0;position:sticky;top:0}.header .wrap{justify-content:space-between;align-items:center;gap:1rem;height:64px;display:flex}@media (max-width:480px){.brand{font-size:.95rem;line-height:1.1}.langswitch{flex-shrink:0}.langswitch button{white-space:nowrap;padding:.3rem .45rem;font-size:.8rem}}.brand{color:var(--indigo);letter-spacing:.01em;font-size:1.1rem;font-weight:700;text-decoration:none}.nav{gap:1.4rem;display:none}.nav a{color:var(--ink-soft);font-size:.95rem;text-decoration:none}.nav a:hover{color:var(--indigo)}@media (min-width:820px){.nav{display:flex}}.langswitch{border:1px solid var(--sky-mid);border-radius:999px;display:flex;overflow:hidden}.langswitch button{font:inherit;cursor:pointer;color:var(--ink-soft);background:0 0;border:0;padding:.35rem .65rem;font-size:.9rem}.langswitch button[aria-pressed=true]{background:var(--indigo);color:#fff}.hero{color:#fff;background:linear-gradient(90deg, #1426409e 0%, #14264061 45%, #14264014 100%), linear-gradient(180deg, #1426401a 0%, #14264073 100%), url(/hero-skyline.jpg) center bottom / cover no-repeat var(--indigo-deep);border-bottom:1px solid var(--sky-mid);padding:6rem 0 5rem}.hero h1{color:#fff;text-shadow:0 1px 3px #00000073;max-width:20ch}.hero .lead{color:#ffffffeb;text-shadow:0 1px 3px #00000073;margin-top:1.4rem;font-size:1.15rem}.hero .btn-primary{color:var(--indigo-deep);background:#fff}.hero .btn-primary:hover{background:var(--sky)}.hero .btn-ghost{color:#fff;border-color:#ffffffbf}.hero .btn-ghost:hover{background:#ffffff1f}.hero-credit{color:#fff9;max-width:none;margin-top:3rem;font-size:.72rem}.hero-credit a{color:inherit}@media (max-width:600px){.hero{background-position:60% bottom}}.actions{flex-wrap:wrap;gap:.8rem;margin-top:2rem;display:flex}.btn{border-radius:var(--radius);font-weight:500;font:inherit;cursor:pointer;border:1px solid #0000;padding:.8rem 1.4rem;text-decoration:none;display:inline-block}.btn-primary{background:var(--indigo);color:#fff}.btn-primary:hover{background:var(--indigo-deep)}.btn-primary:disabled{opacity:.6;cursor:default}.btn-ghost{color:var(--indigo);border-color:var(--indigo);background:0 0}.btn:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid var(--koji);outline-offset:2px}.letter{gap:2rem;display:grid}@media (min-width:820px){.letter{grid-template-columns:200px 1fr;gap:3rem}}.portrait{background:var(--sky-mid);width:160px;height:160px;color:var(--indigo);object-fit:cover;border-radius:50%;place-items:center;font-size:2.4rem;font-weight:700;display:grid}.letter-body{border-left:3px solid var(--koji);padding-left:1.5rem}.letter-body p{font-size:1.08rem}.letter-greeting{color:var(--indigo);margin-bottom:1rem;font-weight:700}.sign{color:var(--indigo);font-weight:500}.cols{gap:2.5rem;display:grid}@media (min-width:820px){.cols{grid-template-columns:1fr 1fr}}.cols h3{margin-bottom:.6rem}.intl{background:var(--sky);border-radius:var(--radius);margin-top:3rem;padding:2rem}.intl h3{margin-bottom:.6rem}.limits{border-top:1px dashed var(--sky-mid);color:var(--ink-soft);margin-top:2rem;padding-top:1.5rem;font-size:.95rem}.steps{counter-reset:step;gap:1.5rem;max-width:none;padding:0;list-style:none;display:grid}@media (min-width:820px){.steps{grid-template-columns:repeat(4,1fr)}}.steps li{counter-increment:step}.steps li:before{content:counter(step);background:var(--indigo);color:#fff;border-radius:50%;place-items:center;width:2rem;height:2rem;margin-bottom:.6rem;font-weight:700;display:inline-grid}.steps h3{margin-bottom:.3rem;font-size:1.05rem}.steps p{color:var(--ink-soft);font-size:.95rem}.tiers{gap:1.2rem;margin-top:1.5rem;display:grid}@media (min-width:640px){.tiers{grid-template-columns:repeat(2,1fr)}}@media (min-width:1000px){.tiers{grid-template-columns:repeat(4,1fr)}}.tier{border:1px solid var(--sky-mid);border-radius:var(--radius);flex-direction:column;padding:1.6rem;display:flex}.tier.featured{border-color:var(--indigo);border-width:2px}.tier h3{color:var(--indigo)}.price{color:var(--indigo-deep);margin:.4rem 0 0;font-size:2.2rem;font-weight:700}.period{color:var(--ink-soft);margin-bottom:1rem;font-size:.9rem}.tier ul{padding:0;font-size:.95rem;list-style:none}.tier li:before{content:"✓ ";color:var(--ok)}.note{color:var(--ink-soft);margin-top:1.2rem;font-size:.95rem}.faq details{border-top:1px solid var(--sky-mid);max-width:72ch;padding:1rem 0}.faq details:last-child{border-bottom:1px solid var(--sky-mid)}.faq summary{cursor:pointer;color:var(--indigo-deep);justify-content:space-between;gap:1rem;font-weight:500;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--koji);font-weight:700}.faq details[open] summary:after{content:"–"}.faq details p{color:var(--ink-soft);margin:.8rem 0 0}.contact{background:var(--sky)}.contact-grid{gap:2.5rem;display:grid}@media (min-width:820px){.contact-grid{grid-template-columns:1.4fr 1fr}}.form,.row{gap:1rem;display:grid}@media (min-width:600px){.row{grid-template-columns:1fr 1fr}}label{color:var(--ink-soft);gap:.3rem;font-size:.9rem;font-weight:500;display:grid}input,select,textarea{font:inherit;border:1px solid var(--sky-mid);border-radius:var(--radius);color:var(--ink);background:#fff;width:100%;padding:.7rem .8rem}input:focus,select:focus,textarea:focus{outline:2px solid var(--indigo);border-color:var(--indigo)}textarea{resize:vertical;min-height:140px}.hp{position:absolute;left:-9999px}.status{border-radius:var(--radius);padding:.9rem 1rem;font-size:.95rem}.status.ok{color:var(--ok);background:#e6f2e8}.status.err{color:var(--err);background:#f8e6e2}.alt h3{margin-bottom:.8rem}.alt dl{grid-template-columns:auto 1fr;gap:.4rem 1rem;margin:0;display:grid}.alt dt{color:var(--ink-soft)}.alt dd{margin:0}footer{color:var(--ink-soft);border-top:1px solid var(--sky-mid);padding:2.5rem 0;font-size:.85rem}footer p{max-width:80ch}