:root{
  color-scheme: light;
  --ink:#243036; --sub:#54666e; --paper:#fbfdfd; --mist:#e8f4fa; --mist2:#f2f9fd;
  --line:#d8e8f0; --aqua:#00a7e6; --aqua-deep:#0082b4; --aqua-soft:#d9f1fc;
  --r:22px; --maxw:840px;
  --fd:"Zen Maru Gothic",sans-serif; --fb:"Zen Kaku Gothic New",sans-serif; --fn:"Outfit",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--fb);color:var(--ink);background:var(--paper);line-height:1.85;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
/* header */
header{position:sticky;top:0;z-index:50;background:rgba(251,253,253,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;justify-content:space-between;height:60px;max-width:1060px;margin:0 auto;padding:0 20px}
.logo{font-family:var(--fd);font-weight:700;font-size:19px;letter-spacing:.06em}
.logo small{display:block;font-size:9px;letter-spacing:.34em;color:var(--sub);font-family:var(--fn);font-weight:600}
.logo img{display:block;height:34px;width:auto}
.hd nav{display:none;gap:26px;font-family:var(--fd);font-weight:500;font-size:14.5px}
.hd nav a:hover{color:var(--aqua)}
.burger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border:none;background:transparent;cursor:pointer;padding:0;margin-left:6px}
.burger span{display:block;height:2px;width:22px;margin:0 auto;background:var(--ink);border-radius:2px;transition:.28s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{position:fixed;top:60px;right:0;width:min(78vw,320px);height:calc(100vh - 60px);background:var(--paper);border-left:1px solid var(--line);box-shadow:-14px 0 40px rgba(36,48,54,.12);transform:translateX(100%);transition:transform .32s;z-index:60}
.drawer.open{transform:none}
.drawer[hidden]{display:block}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{font-family:var(--fd);font-weight:500;font-size:15.5px;padding:16px 24px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.drawer-nav a::after{content:"›";color:var(--aqua);font-size:18px}
.drawer-nav a:active{background:var(--mist)}
.drawer-scrim{position:fixed;inset:60px 0 0;background:rgba(20,30,34,.28);z-index:55;opacity:0;transition:opacity .3s}
.drawer-scrim.open{opacity:1}
@media(min-width:840px){
  .hd nav{display:flex}
  .burger{display:none}
  .drawer,.drawer-scrim{display:none!important}
}
/* page body */
.page-head{background:linear-gradient(180deg,var(--mist2),var(--paper));padding:56px 0 34px;text-align:center}
.page-head .en{font-family:var(--fn);font-weight:600;font-size:12px;letter-spacing:.3em;color:var(--aqua);text-transform:uppercase}
.page-head h1{font-family:var(--fd);font-size:clamp(24px,5.4vw,32px);font-weight:700;margin-top:6px}
main{padding:44px 0 80px}
.lead{color:var(--sub);font-size:15px;margin-bottom:34px}
h2.sec{font-family:var(--fd);font-size:19px;font-weight:700;margin:38px 0 14px;padding-left:14px;border-left:4px solid var(--aqua)}
p+p{margin-top:12px}
ul.doc{padding-left:1.4em;margin:10px 0}
ul.doc li{margin:6px 0}
/* definition table */
table.def{width:100%;border-collapse:collapse;font-size:15px;margin-top:8px}
table.def th,table.def td{border:1px solid var(--line);padding:13px 16px;text-align:left;vertical-align:top}
table.def th{background:var(--mist2);font-family:var(--fd);font-weight:700;width:31%;white-space:nowrap}
@media(max-width:560px){
  table.def th,table.def td{display:block;width:100%;border:none}
  table.def th{background:var(--mist2);border-radius:8px;padding:8px 12px}
  table.def td{padding:10px 12px 18px}
}
/* form */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 24px;margin-top:10px}
.form-row{margin-bottom:22px}
.form-row label{display:block;font-family:var(--fd);font-weight:700;font-size:14.5px;margin-bottom:8px}
.req{color:#e0563f;font-size:12px;margin-left:6px;font-weight:500}
input[type=text],textarea{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;font:inherit;font-size:16px;background:var(--paper)}
input[type=text]:focus,textarea:focus{outline:none;border-color:var(--aqua);background:#fff}
.btn-primary{display:inline-block;background:var(--aqua);color:#fff;border:none;border-radius:999px;padding:14px 44px;font:inherit;font-family:var(--fd);font-weight:700;font-size:16px;cursor:pointer;transition:.2s}
.btn-primary:hover{background:var(--aqua-deep)}
.btn-ghost{display:inline-block;background:#fff;color:var(--ink);border:1.5px solid var(--line);border-radius:999px;padding:14px 34px;font:inherit;font-family:var(--fd);font-weight:700;font-size:16px;cursor:pointer;transition:.2s}
.btn-ghost:hover{border-color:var(--aqua);color:var(--aqua)}
.form-actions{text-align:center;margin-top:26px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.note{font-size:13px;color:var(--sub)}
table.confirm{width:100%;border-collapse:collapse;font-size:15px}
table.confirm th,table.confirm td{border:1px solid var(--line);padding:13px 16px;text-align:left;vertical-align:top}
table.confirm th{background:var(--mist2);font-family:var(--fd);width:31%}
@media(max-width:560px){table.confirm th,table.confirm td{display:block;width:100%}}
.done-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:36px 26px;text-align:center}
.done-card .mark{font-size:40px;color:var(--aqua)}
.done-card h2{font-family:var(--fd);font-size:21px;margin:8px 0 16px}
.done-card p{text-align:left;font-size:15px}
/* footer */
footer{background:#1a6f9e;color:#eaf6fa;padding:46px 0 30px;font-size:13px;margin-top:60px}
.ft{display:grid;gap:26px;max-width:1060px;margin:0 auto;padding:0 20px}
.ft .logo{color:#fff}
.ft .logo small{color:rgba(255,255,255,.65)}
.ft ul{list-style:none;display:grid;gap:8px}
.ft a:hover{color:#fff}
.copy{margin-top:30px;font-size:11px;color:rgba(255,255,255,.72);text-align:center}
@media(min-width:700px){.ft{grid-template-columns:1.2fr 1fr 1fr}}
.sns-ig{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.12);transition:.2s}
.sns-ig:hover{background:rgba(255,255,255,.22)}
.sns-line{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.12);transition:.2s;margin-left:10px}
.sns-line:hover{background:rgba(255,255,255,.22)}


/* ===== check page ===== */
.hero-check{background:linear-gradient(180deg,var(--mist2),var(--paper));padding:44px 0 30px;text-align:center}
.hero-check h1{font-family:var(--fd);font-size:25px;font-weight:700}
.hero-check p{color:var(--sub);font-size:14.5px;margin-top:10px}
.data-stamp{margin-top:14px;display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 18px;font-size:12.5px;color:var(--sub)}
.data-stamp b{font-family:var(--fn);color:var(--aqua-deep);font-size:14px}
.step-label{display:inline-flex;align-items:center;gap:8px;font-family:var(--fn);font-weight:600;font-size:12.5px;letter-spacing:.14em;color:var(--aqua-deep);background:var(--aqua-soft);border-radius:999px;padding:4px 14px;margin-bottom:10px}
.maker-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:16px}
@media(min-width:640px){.maker-grid{grid-template-columns:repeat(3,1fr)}}
.maker-btn{font:inherit;font-family:var(--fd);font-weight:700;font-size:15px;background:#fff;border:1.5px solid var(--line);border-radius:14px;padding:16px 8px;cursor:pointer;transition:.18s;color:var(--ink)}
.maker-btn small{display:block;font-family:var(--fb);font-weight:400;font-size:11px;color:var(--sub);margin-top:2px}
.maker-btn:hover{border-color:var(--aqua);background:var(--mist2)}
.maker-btn.on{border-color:var(--aqua);background:var(--aqua-soft);box-shadow:0 0 0 2px var(--aqua-soft)}
.result-card{margin-top:26px;background:#fff;border:1.5px solid var(--line);border-radius:var(--r);padding:26px 22px;display:none}
.result-card.show{display:block;animation:fadein .35s}
@keyframes fadein{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.result-head{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.result-mark{flex:0 0 auto;width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--fd);font-weight:700;font-size:22px}
.mark-ok{background:var(--aqua-soft);color:var(--aqua-deep)}
.mark-check{background:#fff3d6;color:#a8761a}
.mark-info{background:var(--mist);color:var(--sub)}
.result-title{font-family:var(--fd);font-weight:700;font-size:17px}
.result-sub{font-size:13px;color:var(--sub)}
.record-list{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.record-chip{background:var(--mist2);border:1px solid var(--line);border-radius:999px;padding:5px 14px;font-size:13px}
.record-chip b{font-family:var(--fn);font-weight:600;color:var(--aqua-deep)}
.model-list{margin-top:10px;font-size:13px;color:var(--sub);line-height:2}
.note-box{margin-top:16px;background:var(--mist2);border-radius:14px;padding:14px 16px;font-size:13.5px}
.note-box.warn{background:#fff8e8}
.measure-sec{margin-top:52px;background:#fff;border:1.5px solid var(--line);border-radius:var(--r);padding:28px 22px}
.measure-flex{display:grid;gap:22px;margin-top:16px}
@media(min-width:680px){.measure-flex{grid-template-columns:280px 1fr;align-items:center}}
.measure-input-row{display:flex;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap}
.measure-input-row input{font:inherit;font-family:var(--fn);font-size:20px;font-weight:600;width:110px;padding:10px 14px;border:1.5px solid var(--line);border-radius:12px;text-align:center;color:var(--ink);background:#fff}
.measure-input-row input:focus{outline:none;border-color:var(--aqua)}
.measure-input-row .unit{font-family:var(--fd);font-weight:700}
.size-result{margin-top:16px;border-radius:14px;padding:16px 18px;font-size:14.5px;display:none}
.size-result.show{display:block;animation:fadein .3s}
.size-ok{background:var(--aqua-soft)}
.size-ng{background:#feecec}
.size-warn{background:#fff8e8}
.size-result b{font-family:var(--fd)}
.spec-band{margin-top:14px;font-size:13px;color:var(--sub)}
.cta-band{text-align:center;margin-top:56px;padding:32px 20px;background:var(--mist2);border-radius:var(--r)}
.cta-band p{font-family:var(--fd);font-weight:700;margin-bottom:16px}
.ask-guide{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 20px 16px;margin-top:6px}
.ask-guide-title{font-size:14px;margin-bottom:12px}
.ask-guide-title b{color:var(--aqua-deep)}
.ask-list{list-style:none}
.ask-list li{display:flex;gap:12px;align-items:flex-start;padding:10px 2px;border-bottom:1px dashed var(--line);font-size:14.5px}
.ask-list li:last-child{border-bottom:none}
.ask-list li small{display:block;color:var(--sub);font-size:12.5px;margin-top:2px;font-weight:400}
.ask-ico{flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--aqua-soft);color:var(--aqua-deep);display:flex;align-items:center;justify-content:center;font-family:var(--fn);font-weight:600;font-size:13px}
.ask-note{margin-top:12px;background:var(--mist2);border-radius:12px;padding:12px 14px;font-size:13px}
.cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.btn-line{display:inline-flex;align-items:center;gap:8px;background:#06C755;color:#fff;font-family:var(--fd);font-weight:700;font-size:15px;padding:14px 28px;border-radius:999px;text-decoration:none;transition:.18s;box-shadow:0 3px 10px rgba(6,199,85,.25)}
.btn-line:hover{background:#05b34c;transform:translateY(-1px)}
.disclaimer{font-size:12.5px;color:var(--sub);margin-top:34px;line-height:1.9}

/* footer unify (v24) */
.ft-logo-img{height:34px;width:auto;display:block}
.ft-sns{display:flex;gap:14px;margin-top:16px}
.ft-sns a{display:inline-flex;align-items:center;justify-content:center;transition:transform .2s,opacity .2s}
.ft-sns a:hover{transform:translateY(-2px);opacity:.85}
.ft-sns .sns-ig,.ft-sns .sns-line{background:none;width:auto;height:auto;border-radius:0;margin-left:0}
.ft-sns .sns-ig:hover,.ft-sns .sns-line:hover{background:none}