*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
body{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
:focus-visible{outline:3px solid currentColor;outline-offset:2px}

body{font-family:var(--ff-body);background:var(--bg);color:var(--ink);line-height:1.85;font-size:16px}
.shell{position:relative}
.page-main{max-width:var(--maxw);margin:0 auto;padding:72px 24px 84px}
.page-head{margin-bottom:44px}
.eyebrow{font-family:var(--ff-disp);letter-spacing:.24em;font-size:12px;color:var(--accent);text-transform:uppercase;margin-bottom:14px}
.page-head h1{font-family:var(--ff-disp);font-weight:700;font-size:clamp(28px,5vw,46px);line-height:1.24;letter-spacing:.01em;margin-bottom:18px}
.lead{color:var(--muted);font-size:17px;max-width:62ch}
.block{margin:0 0 52px}
.block h2{font-family:var(--ff-disp);font-weight:700;font-size:clamp(21px,3.3vw,30px);margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid var(--line)}
.block p{margin-bottom:15px}
.block.has-img{display:grid;grid-template-columns:1.25fr .9fr;gap:38px;align-items:center}
.block.has-img h2{border:none;padding:0}
.block-fig img{border-radius:var(--radius);width:100%;aspect-ratio:4/3;object-fit:cover;box-shadow:0 18px 40px -24px rgba(0,0,0,.4)}
@media(max-width:760px){.block.has-img{grid-template-columns:1fr;gap:22px}}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:none;border:none;cursor:pointer;font:inherit;font-weight:600;color:var(--ink);padding:20px 44px 20px 0;position:relative;display:block}
.faq-mark{position:absolute;right:6px;top:50%;width:14px;height:14px;transform:translateY(-50%)}
.faq-mark::before,.faq-mark::after{content:"";position:absolute;background:var(--accent);transition:.3s}
.faq-mark::before{top:6px;left:0;width:14px;height:2px}
.faq-mark::after{top:0;left:6px;width:2px;height:14px}
.faq-item.open .faq-mark::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 0 20px;color:var(--muted)}
.sitemap-page .sitemap-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.sitemap-list a{display:block;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;transition:.25s}
.sitemap-list a:hover{transform:translateY(-3px);border-color:var(--accent)}
.sitemap-list span{display:block;font-weight:700;font-family:var(--ff-disp)}
.sitemap-list small{color:var(--muted);font-size:12px}
.site-footer{background:var(--foot-bg);color:var(--foot-fg);margin-top:72px}
.site-footer ul{list-style:none}
.site-footer a{color:inherit;opacity:.82;transition:.2s}
.site-footer a:hover{opacity:1;color:var(--accent2)}
.site-footer .ft-name{font-family:var(--ff-disp);font-weight:700}
.site-footer .ft-tag{opacity:.7;font-size:14px}
.site-footer .ft-addr{opacity:.6;font-size:13px}
.site-footer .ft-copy{font-size:12px;opacity:.55}
/* columns */
.ft-columns .ft-in{max-width:var(--maxw);margin:0 auto;padding:56px 24px 26px;display:grid;grid-template-columns:1.6fr 1fr;gap:34px}
.ft-columns .ft-name{font-size:20px;margin-bottom:8px}
.ft-columns .ft-addr{margin-top:12px}
.ft-columns .ft-nav ul{display:flex;flex-direction:column;gap:10px;font-size:14px}
.ft-columns .ft-copy{text-align:center;padding:16px;border-top:1px solid rgba(255,255,255,.12)}
@media(max-width:760px){.ft-columns .ft-in{grid-template-columns:1fr;gap:22px}}
/* centered */
.ft-centered .ft-in{max-width:760px;margin:0 auto;padding:60px 24px 24px;text-align:center}
.ft-centered .ft-name{font-size:26px;margin-bottom:10px}
.ft-centered .ft-tag{margin-bottom:22px}
.ft-centered .ft-nav ul{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;font-size:14px;margin-bottom:20px}
.ft-centered .ft-addr{margin-bottom:6px}
.ft-centered .ft-copy{text-align:center;padding:16px;border-top:1px solid rgba(255,255,255,.12)}
/* split */
.ft-split .ft-in{max-width:var(--maxw);margin:0 auto;padding:64px 24px 30px;display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;align-items:flex-start}
.ft-split .ft-brand{max-width:46%}
.ft-split .ft-name{font-size:30px;margin-bottom:10px}
.ft-split .ft-addr{margin-top:14px}
.ft-split .ft-nav ul{display:grid;grid-template-columns:1fr 1fr;gap:10px 30px;font-size:14px;text-align:right}
.ft-split .ft-copy{padding:16px 24px;border-top:1px solid rgba(255,255,255,.12);max-width:var(--maxw);margin:0 auto}
@media(max-width:760px){.ft-split .ft-brand{max-width:100%}.ft-split .ft-nav ul{text-align:left}}
/* inline */
.ft-inline{border-top:3px solid var(--accent)}
.ft-inline .ft-in{max-width:var(--maxw);margin:0 auto;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.ft-inline .ft-name{font-size:18px}
.ft-inline .ft-nav ul{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13.5px}
/* bigtype */
.ft-bigtype .ft-in{max-width:var(--maxw);margin:0 auto;padding:64px 24px 34px}
.ft-bigtype .ft-name{font-size:clamp(38px,8vw,82px);line-height:1;letter-spacing:-.02em;margin-bottom:12px}
.ft-bigtype .ft-tag{margin-bottom:24px}
.ft-bigtype .ft-nav ul{display:flex;flex-wrap:wrap;gap:6px 22px;font-size:14px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);margin-bottom:16px}
/* band */
.ft-band-top{background:var(--accent);color:var(--foot-bg)}
.ft-band-top p{max-width:var(--maxw);margin:0 auto;padding:20px 24px;font-family:var(--ff-disp);font-weight:700;font-size:clamp(16px,2.6vw,22px)}
.ft-band .ft-in{max-width:var(--maxw);margin:0 auto;padding:40px 24px 18px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.ft-band .ft-name{font-size:20px}
.ft-band .ft-nav ul{display:flex;flex-wrap:wrap;gap:8px}
.ft-band .ft-nav a{display:inline-block;padding:7px 14px;border-radius:30px;background:rgba(255,255,255,.08);font-size:13px;opacity:1}
.ft-band .ft-nav a:hover{background:var(--accent);color:var(--foot-bg)}
.ft-band .ft-copy{text-align:center;padding:14px}
/* card */
.ft-card .ft-in{max-width:760px;margin:0 auto;padding:54px 24px 18px}
.ft-card-box{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:34px 30px;text-align:center}
.ft-card .ft-name{font-size:22px;margin-bottom:8px}
.ft-card .ft-tag{margin-bottom:20px}
.ft-card .ft-nav ul{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px;font-size:14px}
.ft-card .ft-copy{text-align:center;padding:16px}
/* stack2 */
.ft-stack2 .ft-row{border-bottom:1px solid rgba(255,255,255,.12)}
.ft-stack2 .ft-row ul{max-width:var(--maxw);margin:0 auto;padding:26px 24px;display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;font-size:14.5px}
.ft-stack2 .ft-in{max-width:var(--maxw);margin:0 auto;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.ft-stack2 .ft-name{font-size:18px}
/* rail */
.ft-rail .ft-in{max-width:var(--maxw);margin:0 auto;padding:0;display:grid;grid-template-columns:300px 1fr}
.ft-rail .ft-rail-brand{background:rgba(255,255,255,.05);border-right:3px solid var(--accent);padding:46px 30px}
.ft-rail .ft-name{font-size:22px;margin-bottom:10px}
.ft-rail .ft-addr{margin-top:14px}
.ft-rail .ft-nav{padding:46px 30px;display:flex;align-items:center}
.ft-rail .ft-nav ul{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px;font-size:14.5px}
.ft-rail .ft-copy{text-align:center;padding:16px;border-top:1px solid rgba(255,255,255,.12)}
@media(max-width:760px){.ft-rail .ft-in{grid-template-columns:1fr}.ft-rail .ft-rail-brand{border-right:none;border-bottom:3px solid var(--accent)}}
/* chips */
.ft-chips .ft-in{max-width:820px;margin:0 auto;padding:56px 24px 20px;text-align:center}
.ft-chips .ft-name{font-size:22px;margin-bottom:18px}
.ft-chips .ft-nav ul{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:18px}
.ft-chips .ft-nav a{display:inline-block;padding:8px 16px;border:1px solid rgba(255,255,255,.22);border-radius:30px;font-size:13px;opacity:1}
.ft-chips .ft-nav a:hover{border-color:var(--accent);background:var(--accent);color:var(--foot-bg)}
.ft-chips .ft-addr{font-size:13px}
.ft-chips .ft-copy{text-align:center;padding:16px}
.to-top{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;opacity:0;pointer-events:none;transform:translateY(12px);transition:.3s;z-index:60;box-shadow:0 8px 20px -8px rgba(0,0,0,.5)}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.burger{display:none;width:42px;height:42px;background:none;border:none;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;padding:8px}
.burger span{display:block;height:2px;background:currentColor;transition:.3s}
.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{display:none}


:root{
  --bg:#faf9ff;--ink:#1b1733;--accent:#7c5cff;--accent2:#ff7ac0;--soft:#f0edff;
  --line:#e4deff;--muted:#5f5878;--foot-bg:#171430;--foot-fg:#ece9fb;
  --ff-disp:'Murecho',sans-serif;--ff-body:'Noto Sans JP',sans-serif;
  --maxw:1080px;--radius:18px;
}
.tb-top{position:fixed;top:0;left:0;right:0;height:58px;display:flex;align-items:center;padding:0 24px;background:rgba(250,249,255,.95);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);z-index:70}
.tb-top .logo{font-family:var(--ff-disp);font-weight:800;font-size:20px;color:var(--accent)}
.tabbar{position:fixed;bottom:0;left:0;right:0;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-top:1px solid var(--line);z-index:80;box-shadow:0 -8px 24px -18px rgba(0,0,0,.4)}
.tabbar ul{display:flex;max-width:680px;margin:0 auto}
.tabbar li{flex:1}
.tabbar a{display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 4px;color:var(--muted);transition:.2s}
.tabbar a:hover{color:var(--accent)}
.tabbar li.is-active a{color:var(--accent)}
.tabbar .ti{font-size:19px;line-height:1}
.tabbar .tl{font-size:10.5px;font-weight:700}
.shell{padding-top:58px;padding-bottom:74px}
.to-top{bottom:84px}
.ap-hero{max-width:var(--maxw);margin:0 auto;padding:60px 24px 26px;text-align:center}
.ap-hero .k{color:var(--accent2);font-weight:800;letter-spacing:.12em;margin-bottom:14px}
.ap-hero h1{font-family:var(--ff-disp);font-weight:800;font-size:clamp(28px,5.4vw,52px);line-height:1.3;margin-bottom:16px}
.ap-hero h1 .g{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.ap-hero p{color:var(--muted);max-width:46ch;margin:0 auto;line-height:1.9}
.ap-grid{max-width:var(--maxw);margin:0 auto;padding:44px 24px 80px}
.ap-grid h2{font-family:var(--ff-disp);font-weight:800;font-size:24px;margin-bottom:24px;text-align:center}
.apg{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.apc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:.25s}
.apc:hover{transform:translateY(-5px);box-shadow:0 18px 40px -26px rgba(124,92,255,.6)}
.apc .ico{width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;margin-bottom:14px}
.apc h3{font-family:var(--ff-disp);font-weight:800;font-size:18px;margin-bottom:8px}
.apc p{color:var(--muted);font-size:14px}
@media(max-width:760px){.apg{grid-template-columns:1fr}.tb-top .logo{font-size:18px}}

/* ==== subpage variation (機種変更ガイド) ==== */
.guide-main .block{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 30px 24px;margin-bottom:30px;box-shadow:0 14px 34px -28px rgba(124,92,255,.5)}
.guide-main .block h2{display:flex;align-items:center;gap:14px;border-bottom:2px solid var(--line);padding-bottom:14px}
.guide-main .block h2 .step-no{flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--ff-disp);font-weight:800;font-size:18px}
.guide-main .block.has-img{background:#fff;display:grid;grid-template-columns:1.2fr .95fr;gap:34px;align-items:center;padding:30px}
.guide-main .block.has-img h2{border:none;padding:0}
.guide-point{margin:6px 0 30px;background:var(--soft);border-left:5px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;padding:20px 24px}
.guide-point b{font-family:var(--ff-disp);color:var(--accent);display:block;margin-bottom:6px;font-size:14px;letter-spacing:.04em}
.guide-point p{margin:0;color:var(--muted);font-size:15px}
.page-nav{display:flex;justify-content:space-between;gap:16px;margin-top:56px;flex-wrap:wrap}
.page-nav a{flex:1;min-width:200px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;transition:.25s}
.page-nav a:hover{border-color:var(--accent);transform:translateY(-3px)}
.page-nav small{display:block;color:var(--accent);font-family:var(--ff-disp);font-size:12px;letter-spacing:.08em;margin-bottom:5px}
.page-nav .pn-next{text-align:right}
.page-nav span{font-weight:700;font-family:var(--ff-disp)}
/* sitemap list style */
.sitemap-page .sitemap-list{display:block}
.sitemap-list li+li{margin-top:14px}
.sitemap-list a{display:flex;align-items:baseline;gap:16px;background:#fff;border:1px solid var(--line);border-left:5px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;padding:20px 24px}
.sitemap-list a:hover{transform:translateX(4px);border-color:var(--accent);border-left-color:var(--accent2)}
.sitemap-list .sm-head{flex:0 0 auto;min-width:150px}
.sitemap-list span{display:block;font-weight:700;font-family:var(--ff-disp);font-size:16px}
.sitemap-list small{color:var(--accent);font-size:12px}
.sitemap-list .sm-desc{color:var(--muted);font-size:14px;line-height:1.7}
@media(max-width:680px){.guide-main .block.has-img{grid-template-columns:1fr;gap:20px}.sitemap-list a{flex-direction:column;gap:6px}.sitemap-list .sm-head{min-width:0}}