/* Existing palette, artwork and layout remain the visual foundation. */
body{font-size:16px;line-height:1.6;overflow-wrap:anywhere}.header{height:78px;gap:24px}.header nav{gap:20px}.header nav a,.header-cta,.footer-links a{min-height:44px;display:inline-flex;align-items:center}.hero h1{font-size:clamp(38px,4.3vw,60px)}.hero-copy p{max-width:540px}.cta-row{display:flex;gap:12px;flex-wrap:wrap}.hero-copy .cta-note,.cta-note{font-size:13px;margin:18px 0;line-height:1.8;color:#deddf9}.use-card h3{margin-top:22px}.use-card p{min-height:0}.use-card .text-link,.guide .text-link,.checklist-section .text-link{border-color:currentColor}.use-grid{row-gap:24px}.five{grid-template-columns:repeat(5,minmax(0,1fr))}.steps h3{margin-top:22px}.steps p{font-size:16px;min-height:0}.steps h3{font-size:19px}.formula{margin-top:36px;border:1px solid var(--line);border-radius:18px;padding:28px}.formula>span{display:block;font-size:14px;margin-bottom:12px}.formula strong{display:block;font-size:clamp(20px,2.3vw,28px);line-height:1.6}.formula p{margin:14px 0 0}.guide .formula{border-color:#b6b5d3}.table-scroll{overflow-x:auto;margin:28px 0;border:1px solid var(--line);border-radius:12px}table{width:100%;border-collapse:collapse;text-align:left;font-size:16px}th,td{padding:18px 20px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.8}th{background:rgba(255,252,233,.08)}td a{text-decoration:underline;text-underline-offset:4px}tr:last-child td{border-bottom:0}.guide th{background:#eeebdc}.guide td,.guide th{border-color:#cfccd7}.guide .table-scroll{border-color:#cfccd7}.section .fineprint{font-size:14px;opacity:1}.check-items small{font-size:16px}.check-items label{min-height:84px}.checklist-grid p{font-size:16px}.checklist-grid h3{font-size:26px;line-height:1.5}.inline{display:inline}.section p,.use-card p,.about-text p,.faq-list p{font-size:16px}.page-intro{padding-top:40px;padding-bottom:50px}.page-intro h1{font-size:clamp(32px,4.5vw,56px);line-height:1.35;letter-spacing:-1.5px;max-width:900px}.page-intro>p{max-width:800px}.breadcrumb{display:flex;gap:12px;flex-wrap:wrap;font-size:14px;margin-bottom:45px}.breadcrumb a{text-decoration:underline}.updated{font-size:13px;color:#d6d5f7}.toc{display:flex;flex-wrap:wrap;gap:12px;border-top:1px solid var(--line);padding:25px 0}.toc a{border:1px solid var(--line);padding:10px 16px;border-radius:24px;min-height:44px;font-size:14px}.content-list{padding-left:24px;line-height:1.9}.content-list li{margin-bottom:12px}.section-inner>.text-link,.guide .text-link{margin-right:24px}.back-home{padding-top:35px;padding-bottom:55px}.footer-links{display:flex;gap:24px;flex-wrap:wrap;margin-top:20px;font-size:14px}.footer-bottom p{font-size:13px}.footer-bottom>span{font-size:12px}.mobile-contact{display:none}.guide-note p{font-size:16px;color:inherit}.guide-note h3{margin-bottom:12px}.guide-note{align-items:flex-start}.section-label{font-size:12px}.check-progress>span{font-size:14px}.faq-list summary{font-size:17px}.use-card .card-top{font-size:12px}.text-link{min-height:44px;line-height:1.7;padding-top:8px}.guide .use-card{border:1px solid #ceccd9}a:hover{text-decoration-thickness:2px}.footer-top p{font-size:14px}
@media(max-width:1050px){.logo-en{display:none}.header{gap:15px}.header nav{gap:12px}.five{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:720px){.header{height:64px;gap:10px}.header nav{top:63px}.header-cta{font-size:12px;padding:8px 12px}.menu-toggle{min-width:44px;min-height:44px}.header .logo{font-size:18px}.hero h1{font-size:clamp(35px,9.6vw,58px)}.hero-art{height:390px}.hero-copy p{font-size:16px}.hero-art img{bottom:0}.five{grid-template-columns:1fr}.five article{display:grid;grid-template-columns:34px 1fr;gap:8px 14px;padding-top:22px}.five h3{margin:0}.five p{grid-column:2}.steps{gap:24px}.page-intro{padding-top:25px;padding-bottom:28px}.page-intro h1{font-size:34px}.breadcrumb{margin-bottom:30px;font-size:13px}.toc{gap:10px}.toc a{font-size:13px}.section p,.use-card p,.faq-list p,.check-items small{font-size:16px}.table-scroll{border-radius:8px}th,td{padding:12px 10px;font-size:14px;word-break:normal}.formula{padding:20px}.footer-links{gap:8px 22px}.footer{padding-bottom:105px}.mobile-contact{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:40;background:var(--cream);color:var(--blue);border-top:1px solid #ccc9de;padding:10px 20px calc(10px + env(safe-area-inset-bottom));gap:12px}.mobile-contact a{display:flex;align-items:center;justify-content:center;min-height:44px;border:1px solid var(--blue);border-radius:28px;flex:1;font-size:14px;font-weight:800}.mobile-contact a:last-child{background:var(--blue);color:var(--cream)}.announcement{font-size:11px}.announcement a{display:inline-block;line-height:1.9}.closing p{font-size:16px}.footer-top p{font-size:12px}.footer-bottom p{font-size:12px}html{scroll-padding-bottom:90px}}