:root{--bg:#fff;--bg-soft:#f7f7f5;--ink:#16161a;--ink-sub:#6b6b73;--line:#e7e7e3;--accent:#3d5a80;--mizu:#0f7baa;--field-line:#8e8e96;--error:#c62828;--error-line:#e6c4c1;--error-bg:#fbf0ef;--excel:#217346;--font-stack-body:var(--font-body), system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;--font-stack-heading:var(--font-heading), var(--font-body), system-ui, sans-serif;--wrap:760px;--pad:24px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px}body{background:var(--bg);color:var(--ink);font-family:var(--font-stack-body);letter-spacing:.01em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-weight:400;line-height:1.8}a{color:inherit;text-decoration:none}::selection{background:var(--ink);color:var(--bg)}.wrap{width:100%;max-width:var(--wrap);padding-inline:var(--pad);margin-inline:auto}.section{border-top:1px solid var(--line);padding-block:clamp(56px,9vw,96px)}.section-label{font-family:var(--font-stack-heading);letter-spacing:.22em;text-transform:uppercase;color:var(--ink-sub);margin-bottom:28px;font-size:.72rem;font-weight:700}.hero{flex-direction:column;justify-content:center;min-height:78vh;padding-block:clamp(72px,14vw,140px);display:flex}.hero-eyebrow{font-family:var(--font-stack-heading);letter-spacing:.24em;text-transform:uppercase;color:var(--ink-sub);margin-bottom:22px;font-size:.78rem;font-weight:700}.hero-name{font-family:var(--font-stack-heading);letter-spacing:-.02em;font-size:clamp(2.6rem,8vw,5.2rem);font-weight:900;line-height:1.04}.hero-catch{font-family:var(--font-stack-heading);letter-spacing:-.02em;max-width:30ch;font-size:clamp(1.35rem,4.6vw,2.8rem);font-weight:800;line-height:1.45}.hero-catch span{display:inline-block}.hero-catch--band{font-size:clamp(1.1rem,5.6vw,2.8rem);line-height:1.8}.hero-catch--band span{color:var(--bg);background:var(--ink);-webkit-box-decoration-break:clone;box-decoration-break:clone;padding:.12em .35em;display:inline}.hero-lead{max-width:44ch;color:var(--ink-sub);margin-top:clamp(16px,2.4vw,24px);font-size:1rem}.hero-tagline{max-width:46ch;color:var(--ink-sub);margin-top:14px;font-size:1rem}.service-list,.works{list-style:none}.service-item{border-top:1px solid var(--line);gap:12px;padding-block:28px;display:grid}.service-item:first-of-type{border-top:none;padding-top:0}.service-title{font-family:var(--font-stack-heading);color:var(--ink);font-size:.95rem;font-weight:700}.service-desc{color:var(--ink-sub);font-size:.95rem}.service-points{gap:8px;list-style:none;display:grid}.service-points li{color:var(--ink-sub);padding-left:1.1em;font-size:.95rem;position:relative}.service-points li:before{content:"";background:var(--ink-sub);border-radius:50%;width:5px;height:5px;position:absolute;top:calc(.9em - 2.5px);left:.2em}.works{grid-template-columns:repeat(2,1fr);gap:24px;display:grid}.work-card{display:block}.work-thumb{border:1px solid var(--line);border-radius:6px;width:100%;height:auto;display:block}.work-name{font-family:var(--font-stack-heading);color:var(--ink);margin-top:10px;font-size:.95rem;font-weight:700;transition:color .2s;display:block}.work-card:hover .work-name{color:var(--accent)}.work-cat{color:var(--ink-sub);font-size:.85rem;display:block}.contact-note{color:var(--ink-sub);margin-bottom:16px}.contact-form{gap:20px;margin-top:28px;margin-bottom:56px;display:grid}.field{gap:6px;display:grid}.field-label{font-family:var(--font-stack-heading);align-items:center;gap:8px;font-size:.95rem;font-weight:700;display:flex}.field-tag{font-family:var(--font-stack-body);border:1px solid var(--line);color:var(--ink-sub);border-radius:999px;padding-inline:8px;font-size:.75rem;font-weight:400;line-height:1.6}.field-tag--req{border-color:var(--ink);color:var(--ink)}.field-input{width:100%;font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--field-line);border-radius:6px;padding:10px 12px;font-size:1rem;line-height:1.6;transition:border-color .2s}.field-input:focus{border-color:var(--accent)}.field-textarea{resize:vertical;min-height:9em}.form-hp{width:1px;height:1px;position:absolute;left:-9999px;overflow:hidden}.form-note{color:var(--ink-sub);font-size:.85rem}.form-error{color:var(--error);font-size:.95rem}.form-submit{min-height:48px;font-family:var(--font-stack-heading);color:var(--bg);background:var(--ink);border:1px solid var(--ink);cursor:pointer;border-radius:999px;padding:10px 40px;font-size:1rem;font-weight:700;transition:background-color .2s,border-color .2s}.form-submit:hover:not(:disabled){background:var(--accent);border-color:var(--accent)}.form-submit:disabled{opacity:.6;cursor:default}.form-done{background:var(--bg-soft);border:1px solid var(--line);border-radius:6px;margin-top:28px;margin-bottom:56px;padding:20px 24px}.contact-alt{color:var(--ink-sub);margin-bottom:8px}.contact-email{font-family:var(--font-stack-heading);letter-spacing:-.01em;overflow-wrap:anywhere;font-size:clamp(1.5rem,5vw,2.4rem);font-weight:700;display:inline-block;position:relative}.contact-email:after{content:"";background:var(--ink);transform-origin:0;width:100%;height:1px;transition:transform .3s;position:absolute;bottom:-4px;left:0;transform:scaleX(0)}.contact-email:hover{color:var(--accent)}.contact-email:hover:after{background:var(--accent);transform:scaleX(1)}.contact-links{flex-wrap:wrap;gap:12px 28px;margin-top:36px;display:flex}.contact-link{color:var(--ink-sub);align-items:center;gap:6px;font-size:.95rem;transition:color .2s;display:inline-flex}.contact-link:hover{color:var(--accent)}.contact-link .arrow{transition:transform .2s}.contact-link:hover .arrow{transform:translate(2px,-2px)}.footer{border-top:1px solid var(--line);color:var(--ink-sub);padding-block:40px;font-size:.82rem}@media (max-width:767px){.works{grid-template-columns:1fr}}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}