:root{--paper:#f0eee9;--ink:#222f34;--muted:#49575c;--brand:#427a95;--deep:#28566e;--line:#c9d0cf;--white:#fbfaf7}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;line-height:1.8}h1,h2,h3,h4,p{margin:0}a{color:inherit}button,input,select,textarea{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #275c80;outline-offset:4px}.shell{width:min(1180px,calc(100% - 80px));margin-inline:auto}.header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:16px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;font-weight:750;line-height:1.35}.brand img{object-fit:contain}.brand small{display:block;font-size:.7rem;font-weight:500;margin-top:4px;color:var(--muted)}nav{display:flex;align-items:center;gap:28px;font-size:.86rem;font-weight:700}nav a{text-decoration:none}nav a:hover,.text-link:hover{text-decoration:underline}.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:48px;padding:10px 18px;color:white;background:var(--deep);border:1px solid var(--deep);text-decoration:none;border-radius:6px;font-size:.9rem;font-weight:700}.button:hover{background:#1b4357}.mini{min-height:42px;padding:7px 14px}.hero{display:grid;grid-template-columns:1.2fr .9fr;gap:42px;align-items:center;padding-block:74px 80px;border-bottom:1px solid var(--line)}.eyebrow{display:block;color:var(--deep);font-size:.82rem;font-weight:750;letter-spacing:.075em}h1,h2{font-family:"Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif;line-height:1.43;letter-spacing:.01em}h1{font-size:clamp(2.05rem,4.2vw,3.65rem);margin-block:16px 22px}h2{font-size:clamp(1.7rem,3.1vw,2.7rem);margin-block:8px 12px}.lead,.section-heading p{color:var(--muted)}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px;margin-top:28px}.text-link{color:var(--deep);font-size:.9rem;font-weight:750;text-decoration:none}.text-link span{padding-left:5px}.section{padding-block:70px;scroll-margin-top:12px}.section-heading{margin-bottom:28px;max-width:760px}.services{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.services article{border:1px solid var(--line);border-top:4px solid #8abac8;border-radius:8px;padding:24px;display:flex;align-items:flex-start;flex-direction:column;background:var(--white)}.services article:nth-child(2){border-top-color:#d7aa96}.services article:nth-child(3){border-top-color:#a1b282}.problem{color:var(--muted);font-size:.8rem;font-weight:650}.services h3{margin-block:6px 10px;font-size:1.25rem}.services article>p:not(.problem){font-size:.94rem;color:var(--muted)}.services a{margin-top:auto;padding-top:18px}.process{background:#e4eaeb}.check-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;align-items:start}fieldset{margin:0 0 13px;padding:5px 14px 9px;border:1px solid var(--line);border-radius:7px;background:var(--white);min-width:0}legend{padding-inline:6px;font-weight:750;color:var(--deep);font-size:.9rem}.check-item{display:flex;align-items:flex-start;gap:12px;padding:9px 1px;cursor:pointer;font-size:.92rem}.check-item + .check-item{border-top:1px solid #e1e3df}.check-item input{width:18px;height:18px;flex:none;accent-color:var(--deep);margin:4px 0}.result{background:#e4eaeb;border-radius:8px;padding:26px;position:sticky;top:15px}.result h3{font-size:1.4rem}.score strong{font-size:2.5rem;color:var(--deep);line-height:1.25}.score{margin-top:8px}progress{width:100%;accent-color:var(--deep);margin-bottom:8px}.result h4{margin-top:12px}.result p,.result ul{font-size:.9rem}.result ul{padding-left:20px;margin:6px 0 18px}.reset{display:block;padding:7px 0;margin-top:8px;border:0;background:none;color:var(--deep);text-decoration:underline;font-size:.83rem}.contact{background:#dbe8ed}.contact-inner{display:grid;grid-template-columns:1fr 1.05fr;gap:52px}.contact-form{display:grid;gap:12px;background:var(--white);padding:24px;border-radius:8px}.contact-form label{font-size:.88rem;font-weight:700}.contact-form input,.contact-form select,.contact-form textarea{display:block;width:100%;border:1px solid #a2b3b9;border-radius:4px;margin-top:4px;padding:8px 10px;background:white;color:var(--ink);font-size:1rem}.contact-form textarea{resize:vertical}.contact-form small,.hint{color:var(--muted);font-size:.75rem}.footer{display:flex;justify-content:space-between;gap:16px;padding-block:26px;color:var(--muted);font-size:.8rem}
@media(max-width:900px){.shell{width:calc(100% - 44px)}.hero{gap:25px;padding-block:55px}.services article{padding:18px}.desktop{display:none}}
@media(max-width:680px){.shell{width:calc(100% - 32px)}.header{gap:8px}.header nav{gap:10px}.header nav>a:not(.mini){display:none}.hero,.services,.check-grid,.contact-inner{grid-template-columns:1fr}.hero{padding-block:42px 36px;gap:25px}.hero h1{font-size:clamp(1.67rem,6.6vw,2.6rem)}.section{padding-block:42px}.contact-inner{gap:0}.result{position:static}.footer{align-items:flex-start}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.strengths{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.strengths article{background:var(--white);border:1px solid var(--line);border-radius:8px;padding:23px}
.strengths h3{margin-bottom:8px;font-size:1.17rem;line-height:1.5}
.strengths p{font-size:.94rem;color:var(--muted)}
.hero .lead{max-width:35rem}
#approach{scroll-margin-top:12px}
.diagnostic{padding-block:24px}
.diagnostic details{border-block:1px solid var(--line)}
.diagnostic summary{cursor:pointer;padding:14px 0;color:var(--deep);font-weight:750}
.diagnostic details[open]{padding-bottom:20px}
@media(max-width:680px){.strengths{grid-template-columns:1fr}}

.hero-art{position:relative;display:grid;place-items:center;min-height:370px;background:var(--brand);border-radius:8px;overflow:hidden}
.hero-art::before{content:"";position:absolute;inset:15px;border:1px solid #fff5;border-radius:4px;pointer-events:none}
.hero-art img{width:74%;height:auto}
@media(max-width:900px){.hero-art{min-height:300px}}
@media(max-width:680px){
  .hero-art{min-height:190px}
  .hero-art img{width:min(64%,260px)}
}
.services{grid-template-columns:repeat(2,minmax(0,1fr))}
.services article:nth-child(4){border-top-color:#b4a7c8}
.services .work-example{margin-block:14px 2px;background:#edf0ee;border-radius:5px;padding:10px 12px;width:100%;font-size:.82rem}
.work-example strong{display:block;color:var(--deep)}
.services .service-check{margin-top:0;padding-top:4px}
@media(max-width:680px){
  .services{grid-template-columns:1fr}
}

.support-illustration{margin:0 0 24px;border-radius:8px;overflow:hidden;background:var(--paper)}
.support-illustration img{display:block;width:100%;height:auto}

.case-section{background:#e4eaeb}
.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.case-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.case-card img{display:block;width:100%;height:auto;aspect-ratio:8/5;object-fit:cover}
.case-copy{display:flex;flex-direction:column;flex:1;padding:clamp(18px,3vw,28px)}
.case-copy h3{font-size:clamp(1.15rem,2vw,1.4rem);margin:4px 0 8px}
.case-copy>p:not(.eyebrow){font-size:.94rem;color:var(--muted);margin-bottom:18px}
.case-facts{display:flex;flex-wrap:wrap;gap:14px 24px;margin:auto 0 0;padding-top:14px;border-top:1px solid var(--line)}
.case-facts dt{font-size:.78rem;color:var(--muted)}
.case-facts dd{margin:0;font-weight:750;font-size:1.2rem;color:var(--deep)}
@media(max-width:680px){.case-grid{grid-template-columns:1fr}}