:root{--bg:#ffffff;--teal:#2bb673;--teal2:#1f9a61;--ink:#17342b;--mut:#5c726a;--line:#dce7e1;--paper:#f3faf6;--maxw:1120px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans JP",system-ui,sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
header.site{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.top{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800}
.leaf{background:var(--teal);color:#fff;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:.9rem}
.logo .word{font-size:1.25rem;color:var(--ink)}
nav.main{display:flex;gap:20px;align-items:center;font-size:.94rem}
nav.main a{color:#3c544c;padding:6px 2px;border-bottom:2px solid transparent;font-weight:600}
nav.main a:hover,nav.main a.active{color:var(--teal);border-color:var(--teal)}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--ink);cursor:pointer}
.btn{display:inline-block;background:var(--teal);color:#fff;padding:12px 30px;border-radius:999px;font-weight:800;font-size:.95rem;transition:.15s}
.btn:hover{background:var(--teal2);transform:translateY(-2px)}
.btn.ghost{background:#fff;color:var(--teal);border:1.5px solid var(--teal)}
.btn.sm{padding:8px 19px;font-size:.86rem}
.hero{padding:74px 0 70px;background:linear-gradient(180deg,#eef9f3,#fff)}
.hero-split{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-txt .eyebrow{display:inline-block;color:var(--teal);font-weight:800;letter-spacing:.18em;font-size:.78rem;margin-bottom:14px}
.hero-txt h1{font-size:clamp(1.9rem,4.6vw,3.1rem);line-height:1.2;font-weight:900;color:var(--ink)}
.hero-txt .sub{margin:18px 0 0;max-width:600px;color:#49635a;font-size:1.03rem}
.hero-txt .cta-row{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{display:flex;justify-content:center}
.dropzone{background:#fff;border:2px dashed var(--teal);border-radius:18px;padding:44px 34px;text-align:center;width:min(340px,100%);box-shadow:0 14px 34px rgba(43,182,115,.12)}
.dz-ic{font-size:2rem;color:var(--teal);font-weight:400}
.dropzone p{color:var(--ink);font-weight:700;margin:8px 0 2px}
.dropzone em{color:var(--mut);font-size:.78rem;font-style:normal;letter-spacing:.06em}
.before-after{display:flex;gap:10px;justify-content:center;margin-top:20px}
.ba{flex:1;padding:22px 0;border-radius:12px;font-size:.82rem;font-weight:700}
.ba.before{background:#eee;color:#666}
.ba.after{background:repeating-conic-gradient(#e2eee7 0 25%,#fff 0 50%) 0 0/12px 12px;color:var(--teal);border:1px dashed var(--teal)}
section.blk{padding:60px 0}
section.blk.alt{background:var(--paper)}
h2.sec{font-size:1.65rem;font-weight:800;margin-bottom:12px;color:var(--ink)}
p.sec-sub{color:var(--mut);margin-bottom:30px;max-width:680px}
.steps3{display:flex;gap:18px;flex-wrap:wrap}
.s3{flex:1;min-width:200px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;text-align:center}
.s3 b{display:inline-grid;place-items:center;width:34px;height:34px;background:var(--teal);color:#fff;border-radius:50%;margin-bottom:10px}
.s3 span{font-weight:700;color:var(--ink)}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px}
.card h3{font-size:1.12rem;margin-bottom:8px;color:var(--ink)}
.card p{color:#49635a;font-size:.95rem}
.list{margin:22px 0 0 22px;color:#49635a}
.list li{margin-bottom:8px}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px}
.ph-line{padding:13px 0;border-bottom:1px dashed var(--line);font-size:.95rem}
.ph-line:last-child{border-bottom:0}
.ph-line b{display:block;color:var(--teal);margin-bottom:2px}
.ph-line span{color:#49635a}
.note{background:#eaf7f0;border-left:4px solid var(--teal);padding:16px 20px;border-radius:8px;color:#49635a;font-size:.92rem;margin-top:26px}
.cta-wrap{padding:0 0 70px}
.cta-card{background:linear-gradient(120deg,var(--teal),#1f8f65);color:#fff;border-radius:18px;padding:46px 40px;text-align:center}
.cta-card h2{color:#fff;font-size:1.5rem;font-weight:800}
.cta-card p{color:#e4f6ed;margin:10px 0 24px}
.cta-card .btn{background:#fff;color:var(--teal)}
.narrow{max-width:840px!important}
.phead{padding:54px 0 30px;border-bottom:1px solid var(--line);background:#fff}
.phead h1{font-size:clamp(1.9rem,4.4vw,2.9rem);font-weight:900;line-height:1.18;color:var(--ink)}
.lede{margin-top:16px;max-width:700px;color:#49635a;font-size:1.03rem}
.crumb{font-size:.85rem;color:var(--mut);margin-bottom:18px}
.crumb a{color:var(--teal)}
.faqwrap{display:flex;flex-direction:column;gap:12px}
.faq{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq summary{padding:18px 22px;cursor:pointer;font-weight:700;color:var(--ink);list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--teal)}
.faq[open] summary::after{content:"–"}
.faq .a{padding:2px 22px 18px;color:#49635a;font-size:.95rem}
footer.site{border-top:1px solid var(--line);margin-top:60px;padding:40px 0 26px;color:var(--mut);font-size:.9rem;background:#fff}
.ft{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.ft nav{display:flex;gap:18px;flex-wrap:wrap}
.ft nav a:hover{color:var(--teal)}
.legal{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);font-size:.82rem;color:#8aa99c}
@media(max-width:880px){
  .hero-split{grid-template-columns:1fr}.g3,.g2{grid-template-columns:1fr}.split{grid-template-columns:1fr}
  .nav-toggle{display:block}
  nav.main{position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:18px 24px;gap:16px;border-bottom:1px solid var(--line);display:none}
  nav.main.open{display:flex}
  .phead{padding:38px 0 22px}.hero{padding:56px 0 54px}
}