:root{
  --paper:#f5f2ea; --card:#fffdf8; --ink:#15201c; --ink2:#4d5a53; --mute:#7d867f;
  --line:#dcd6c8; --line2:#ebe6da; --acc:#c2562c; --accd:#a5441f;
  --green:#1d6b58; --greenl:#e7efeb; --sand:#eae3d3;
  --shadow:0 1px 2px rgba(21,32,28,.05),0 14px 30px -22px rgba(21,32,28,.45);
  --r:3px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.015em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 18px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- header ---------- */
.hd{position:sticky;top:0;z-index:90;background:rgba(245,242,234,.94);
  backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;gap:14px;height:58px}
.brand{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.brand-mk{width:34px;height:34px;background:var(--ink);color:#f7f3e8;display:grid;place-items:center;
  font-size:15px;font-weight:700;letter-spacing:-.06em;border-radius:2px}
.brand-tx b{display:block;font-size:15.5px;letter-spacing:-.01em}
.brand-tx i{display:none;font-style:normal;font-size:11px;color:var(--mute);letter-spacing:.08em}
.nav{display:none}
.hd-act{margin-left:auto;display:flex;align-items:center;gap:8px}
.hd-tel{display:none;align-items:center;gap:7px;font-weight:700;font-size:15px;
  border:1px solid var(--ink);padding:7px 13px;border-radius:2px;letter-spacing:.01em}
.hd-tel:hover{background:var(--ink);color:#f7f3e8}
.burger{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:2px}
.burger i{display:block;width:18px;height:1.6px;background:var(--ink);position:relative;transition:.2s}
.burger i:before,.burger i:after{content:"";position:absolute;left:0;width:18px;height:1.6px;background:var(--ink);transition:.2s}
.burger i:before{top:-6px}.burger i:after{top:6px}
body.menu-open .burger i{background:transparent}
body.menu-open .burger i:before{top:0;transform:rotate(45deg)}
body.menu-open .burger i:after{top:0;transform:rotate(-45deg)}
.drawer{position:fixed;inset:58px 0 0;background:var(--paper);z-index:89;padding:8px 0 40px;
  transform:translateX(102%);transition:transform .26s ease;overflow-y:auto;display:block}
body.menu-open .drawer{transform:none}
.drawer a{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;
  border-bottom:1px solid var(--line2);font-size:17px;font-weight:600}
.drawer a span{font-size:12px;color:var(--mute);font-weight:400;letter-spacing:.06em}
.drawer .dw-tel{margin:18px 20px 0;justify-content:center;background:var(--acc);color:#fff;border:0;border-radius:2px}

/* ---------- common ---------- */
.sec{padding:52px 0}
.sec-tight{padding:34px 0}
.kick{display:inline-flex;align-items:center;gap:10px;font-size:11.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--green);font-weight:700;margin-bottom:12px}
.kick:before{content:"";width:22px;height:1px;background:var(--green)}
.sh h2{font-size:clamp(23px,4.4vw,36px)}
.sh p{margin-top:12px;color:var(--ink2);font-size:15.5px;max-width:70ch}
.sh-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px}
.more{font-size:14px;font-weight:600;color:var(--acc);border-bottom:1px solid rgba(194,86,44,.35);padding-bottom:2px;white-space:nowrap}
.more:hover{color:var(--accd);border-color:var(--accd)}
.lead{font-size:16.5px;color:var(--ink2);line-height:1.85}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;
  border-radius:2px;font-weight:700;font-size:15px;border:1px solid var(--ink);transition:.16s}
.btn-s{background:var(--ink);color:#f8f4e9}
.btn-s:hover{background:#243029}
.btn-a{background:var(--acc);border-color:var(--acc);color:#fff}
.btn-a:hover{background:var(--accd);border-color:var(--accd)}
.btn-o{color:var(--ink);background:transparent}
.btn-o:hover{background:var(--ink);color:#f8f4e9}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ---------- hero ---------- */
.hero{background:
  radial-gradient(900px 320px at 88% -8%,#e9e2d1 0%,rgba(233,226,209,0) 70%),
  linear-gradient(180deg,#f7f4ec 0%,var(--paper) 100%);
  padding:34px 0 26px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;gap:26px}
.hero h1{font-size:clamp(29px,7.2vw,52px);line-height:1.14;letter-spacing:-.03em}
.hero h1{position:relative;z-index:0}
.hero h1 em{font-style:normal;color:var(--acc);position:relative;white-space:nowrap}
.hero h1 em:after{content:"";position:absolute;left:0;right:0;bottom:.06em;height:.18em;background:rgba(194,86,44,.16);z-index:-1}
.hero .lead{margin-top:16px;max-width:52ch;font-size:16px}
.hero-note{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-block;font-size:12.5px;color:var(--ink2);border:1px solid var(--line);
  background:rgba(255,253,248,.7);padding:5px 10px;border-radius:20px}
.pick{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);padding:18px}
.pick-h{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:14px}
.pick-h b{font-size:15.5px}
.pick-h span{font-size:11.5px;color:var(--mute);letter-spacing:.1em}
.field{margin-bottom:11px}
.field label{display:block;font-size:12px;color:var(--mute);letter-spacing:.08em;margin-bottom:5px}
.field select,.field input{width:100%;appearance:none;background:#fbf8f1;border:1px solid var(--line);
  border-radius:2px;padding:11px 12px;font-size:15px;color:var(--ink)}
.field select{background-image:linear-gradient(45deg,transparent 50%,var(--mute) 50%),linear-gradient(135deg,var(--mute) 50%,transparent 50%);
  background-position:calc(100% - 18px) 52%,calc(100% - 13px) 52%;background-size:5px 5px;background-repeat:no-repeat}
.field select:focus,.field input:focus{outline:2px solid rgba(29,107,88,.25);border-color:var(--green)}
.pick-out{margin-top:6px;border-top:1px dashed var(--line);padding-top:14px}
.pick-out .po-t{font-size:12px;color:var(--mute);letter-spacing:.08em}
.pick-out .po-m{font-size:20px;font-weight:700;margin:5px 0 6px;letter-spacing:-.02em}
.pick-out .po-d{font-size:13.5px;color:var(--ink2);line-height:1.65;min-height:44px}
.pick-out a.po-l{display:inline-block;margin-top:8px;font-size:13.5px;font-weight:700;color:var(--acc);border-bottom:1px solid rgba(194,86,44,.35)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,253,248,.5)}
.stats div{padding:16px 14px;border-right:1px solid var(--line2);border-bottom:1px solid var(--line2)}
.stats div:nth-child(2n){border-right:0}
.stats b{display:block;font-size:21px;letter-spacing:-.02em}
.stats span{display:block;font-size:12px;color:var(--mute);margin-top:3px}

/* ---------- steps ---------- */
.steps{display:grid;gap:0;margin-top:26px;border-top:1px solid var(--line)}
.step{padding:20px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:44px 1fr;gap:12px}
.step b{font-size:12px;color:var(--acc);letter-spacing:.1em;padding-top:5px}
.step h3{font-size:17.5px}
.step p{color:var(--ink2);font-size:14.5px;margin-top:6px}

/* ---------- cards ---------- */
.cards{display:grid;gap:14px;margin-top:24px}
.card{background:var(--card);border:1px solid var(--line);display:flex;flex-direction:column;
  transition:border-color .18s,transform .18s,box-shadow .18s;overflow:hidden}
.card:hover{border-color:#b9b19d;transform:translateY(-2px);box-shadow:var(--shadow)}
.card-img{aspect-ratio:4/3;overflow:hidden;background:var(--sand)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .card-img img{transform:scale(1.03)}
.card-b{padding:15px 15px 17px;display:flex;flex-direction:column;flex:1}
.card-b .cat{font-size:11px;letter-spacing:.14em;color:var(--green);font-weight:700}
.card-b h3{font-size:17px;margin-top:6px}
.card-b p{font-size:13.8px;color:var(--ink2);margin-top:7px;line-height:1.65;flex:1}
.card-b .go{margin-top:12px;font-size:13px;font-weight:700;color:var(--acc);display:flex;align-items:center;gap:5px}
.card-b .go:after{content:"→";transition:transform .2s}
.card:hover .card-b .go:after{transform:translateX(3px)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chip{border:1px solid var(--line);background:var(--card);padding:9px 14px;font-size:14px;border-radius:2px;transition:.16s}
.chip:hover{background:var(--ink);color:#f8f4e9;border-color:var(--ink)}
.chip b{font-weight:700}

/* ---------- table ---------- */
.tblwrap{overflow-x:auto;border:1px solid var(--line);background:var(--card);margin-top:20px;-webkit-overflow-scrolling:touch}
.tbl{width:100%;border-collapse:collapse;min-width:540px;font-size:14px}
.tbl caption{text-align:left;padding:13px 14px;font-size:13px;color:var(--mute);border-bottom:1px solid var(--line2)}
.tbl th,.tbl td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line2);vertical-align:top}
.tbl th{background:#f1ece0;font-size:12.5px;letter-spacing:.06em;color:var(--ink2);font-weight:700;white-space:nowrap}
.tbl tr:last-child td{border-bottom:0}
.tbl td b{font-weight:700}
.tbl a{color:var(--acc);font-weight:600}

/* ---------- split / feature ---------- */
.split{display:grid;gap:24px;align-items:center;margin-top:24px}
.split img{border:1px solid var(--line);width:100%;height:auto;object-fit:cover;aspect-ratio:3/2}
.kv{border-top:1px solid var(--line);margin-top:18px}
.kv div{display:grid;grid-template-columns:7.5em 1fr;gap:10px;padding:10px 0;border-bottom:1px solid var(--line2);font-size:14.5px}
.kv div b{font-weight:600;color:var(--ink2);font-size:13.5px}
.note{margin-top:18px;background:var(--greenl);border-left:3px solid var(--green);padding:14px 16px;font-size:14px;color:#20463b;line-height:1.7}
.note b{color:#123a2f}

/* ---------- qa ---------- */
.qlist{border-top:1px solid var(--line);margin-top:22px}
.qa{border-bottom:1px solid var(--line)}
.qa summary{list-style:none;cursor:pointer;position:relative;padding:16px 34px 16px 0;font-weight:600;font-size:15.5px}
.qa summary::-webkit-details-marker{display:none}
.qa summary:after{content:"+";position:absolute;right:4px;top:14px;font-size:19px;color:var(--acc);font-weight:400}
.qa[open] summary:after{content:"–"}
.qa .ans{padding:0 0 18px;color:var(--ink2);font-size:14.5px;line-height:1.8}
.qa .ans a{color:var(--acc);font-weight:600}

/* ---------- cta ---------- */
.cta{background:var(--ink);color:#f4efe2;padding:38px 0;margin-top:8px}
.cta h2{font-size:clamp(22px,4.6vw,32px);color:#fbf7ec}
.cta p{color:#b9c2ba;margin-top:10px;font-size:15px;max-width:60ch}
.cta .btn-a{margin-top:20px}
.cta-grid{display:grid;gap:22px}
.cta-tel{font-size:clamp(24px,5.6vw,34px);font-weight:700;letter-spacing:-.02em;color:#fff;margin-top:6px;display:inline-block}
.cta-tel span{display:block;font-size:11.5px;letter-spacing:.16em;color:#9aa89f;font-weight:400;margin-bottom:2px}

/* ---------- footer ---------- */
.ft{background:#111a16;color:#c3cbc4;padding:38px 0 0;font-size:13.6px}
.ft-grid{display:grid;gap:26px}
.ft h4{color:#f0ebdd;font-size:13px;letter-spacing:.12em;margin-bottom:12px;font-weight:700}
.ft a{color:#c3cbc4;display:block;padding:4px 0}
.ft a:hover{color:#fff}
.ft-b{display:flex;align-items:center;gap:9px;color:#f0ebdd;font-weight:700;font-size:15px;margin-bottom:10px}
.ft-b .brand-mk{background:#f0ebdd;color:#111a16}
.ft p{line-height:1.9;color:#9aa89f}
.ft-copy{border-top:1px solid #253029;margin-top:30px;padding:16px 0 22px;font-size:12.5px;color:#87948b;
  display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center}
.ft-copy a{display:inline;padding:0;color:#87948b;text-decoration:underline;text-underline-offset:3px}

/* ---------- mobile call bar ---------- */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:95;display:grid;grid-template-columns:1fr 1fr;
  background:var(--ink);color:#fff;padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -6px 20px rgba(0,0,0,.18)}
.mbar a{display:flex;align-items:center;justify-content:center;gap:7px;padding:13px 6px;font-size:14.5px;font-weight:700}
.mbar a+a{border-left:1px solid #2b362f;background:var(--acc)}
body{padding-bottom:52px}

/* ---------- page head ---------- */
.phead{background:linear-gradient(180deg,#f7f4ec,#f2eee4);border-bottom:1px solid var(--line);padding:26px 0 24px}
.crumb{font-size:12.5px;color:var(--mute);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumb a:hover{color:var(--acc)}
.phead h1{font-size:clamp(25px,5.6vw,40px);margin-top:10px;letter-spacing:-.025em}
.phead .lead{margin-top:12px;max-width:76ch}
.meta{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:14px;font-size:12.5px;color:var(--mute)}

/* ---------- article ---------- */
.art{display:grid;gap:28px;padding:34px 0 8px}
.art-main{min-width:0}
.art-main h2{font-size:clamp(19px,3.4vw,24px);margin:30px 0 12px;padding-top:16px;border-top:1px solid var(--line)}
.art-main h2:first-of-type{margin-top:6px;border-top:0;padding-top:0}
.art-main p{margin:0 0 13px;color:#33403a;font-size:15.5px;line-height:1.9}
.ansbox{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--acc);padding:16px 18px;margin:4px 0 8px}
.ansbox b{display:block;font-size:11.5px;letter-spacing:.16em;color:var(--acc);margin-bottom:6px}
.ansbox p{margin:0;font-size:15.5px;color:var(--ink);line-height:1.8}
.side{display:grid;gap:16px}
.side-card{background:var(--card);border:1px solid var(--line);padding:16px}
.side-card h3{font-size:14px;letter-spacing:.06em;color:var(--ink2);margin-bottom:10px}
.side-card a{display:block;padding:8px 0;border-bottom:1px solid var(--line2);font-size:14px;line-height:1.55}
.side-card a:last-child{border-bottom:0}
.side-card a:hover{color:var(--acc)}
.side-tel{background:var(--ink);color:#f4efe2;padding:18px 16px}
.side-tel b{display:block;font-size:11.5px;letter-spacing:.16em;color:#9aa89f;font-weight:400}
.side-tel strong{display:block;font-size:23px;letter-spacing:-.02em;margin:5px 0 8px}
.side-tel p{font-size:12.5px;color:#9aa89f;line-height:1.7}
.side-tel a.btn{margin-top:12px;width:100%;font-size:14px;padding:10px 12px;border-color:#f4efe2;color:#f4efe2}
.side-tel a.btn:hover{background:#f4efe2;color:var(--ink)}

/* ---------- lists / pager ---------- */
.list{border-top:1px solid var(--line);margin-top:22px}
.li{display:grid;gap:10px;padding:18px 0;border-bottom:1px solid var(--line)}
.li .tagline{font-size:11.5px;color:var(--green);letter-spacing:.12em;font-weight:700}
.li h3{font-size:17.5px;line-height:1.4}
.li h3 a:hover{color:var(--acc)}
.li p{font-size:14px;color:var(--ink2);line-height:1.7}
.li .li-meta{font-size:12px;color:var(--mute);display:flex;gap:12px;flex-wrap:wrap}
.pager{display:flex;flex-wrap:wrap;gap:7px;margin:28px 0 6px;align-items:center}
.pager a,.pager span{min-width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);
  background:var(--card);font-size:14px;padding:0 10px}
.pager .on{background:var(--ink);color:#f8f4e9;border-color:var(--ink)}
.pager .dis{color:#b9b3a4;background:#f0ece1}
.pager .info{border:0;background:none;color:var(--mute);font-size:12.5px;min-width:0;margin-left:auto}

/* ---------- calc ---------- */
.calc{display:grid;gap:16px;margin-top:22px}
.calc-in{background:var(--card);border:1px solid var(--line);padding:16px}
.calc-in .row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.calc-out{background:var(--ink);color:#f4efe2;padding:18px}
.calc-out .co-l{font-size:11.5px;letter-spacing:.14em;color:#9aa89f}
.calc-out .big{font-size:clamp(26px,7vw,34px);font-weight:700;letter-spacing:-.02em;margin:4px 0 12px;color:#fff}
.calc-out .big small{font-size:14px;font-weight:400;color:#9aa89f;margin-left:5px;letter-spacing:0}
.calc-out dl{display:grid;grid-template-columns:1fr auto;gap:8px 12px;margin:0;font-size:13.5px}
.calc-out dt{color:#9aa89f}
.calc-out dd{margin:0;font-weight:600;color:#f0ebdd;text-align:right}
.calc-out .fine{margin-top:12px;font-size:11.5px;color:#87948b;line-height:1.6}

/* ---------- copy box ---------- */
.copybox{background:var(--card);border:1px solid var(--line);padding:16px;margin-top:18px}
.copybox pre{margin:0;white-space:pre-wrap;font-family:inherit;font-size:13.6px;line-height:1.9;color:#33403a}
.copybox button{margin-top:12px;border:1px solid var(--ink);padding:9px 16px;font-size:13.5px;font-weight:700;border-radius:2px}
.copybox button:hover{background:var(--ink);color:#f8f4e9}

/* ---------- tablet ---------- */
@media(min-width:600px){
  .wrap{padding:0 24px}
  .stats{grid-template-columns:repeat(4,1fr)}
  .stats div:nth-child(2n){border-right:1px solid var(--line2)}
  .stats div:nth-child(4n){border-right:0}
  .cards{grid-template-columns:1fr 1fr}
  .hero{padding:44px 0 34px}
  .sec{padding:64px 0}
}
@media(min-width:860px){
  .brand-tx i{display:block}
  .split{grid-template-columns:1fr 1fr;gap:36px}
  .calc{grid-template-columns:1.15fr .85fr;align-items:start}
  .cta-grid{grid-template-columns:1.4fr .6fr;align-items:center}
  .ft-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr}
  .cards{grid-template-columns:repeat(3,1fr);gap:16px}
  .step{grid-template-columns:64px 1fr;gap:18px;padding:24px 0}
  .art{grid-template-columns:minmax(0,1fr) 300px;gap:44px;padding:44px 0 16px}
  .side{position:sticky;top:80px;align-self:start}
  .mbar{display:none}
  body{padding-bottom:0}
  .nav{display:flex;gap:22px;margin-left:10px}
  .nav a{font-size:14.5px;font-weight:600;padding:4px 0;color:#2c3833;position:relative;white-space:nowrap}
  .nav a:hover{color:var(--acc)}
  .nav a.on{color:var(--acc)}
  .nav a.on:after{content:"";position:absolute;left:0;right:0;bottom:-19px;height:2px;background:var(--acc)}
  .hd-tel{display:inline-flex}
  .burger{display:none}
  .drawer{display:none}
  .hero-grid{grid-template-columns:1.16fr .84fr;gap:42px;align-items:start}
  .hero{padding:54px 0 42px}
  .phead{padding:34px 0 30px}
  .pick{padding:22px}
}
@media(min-width:1100px){
  .nav{gap:26px}
  .hero h1{font-size:50px}
}
@media(max-width:999px){.nav{display:none!important}.burger{display:grid!important}.drawer{display:block!important}}
@media(min-width:1000px){.nav{display:flex!important}.burger{display:none!important}.drawer{display:none!important}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto}}