:root{--bg:#faf8f3;--paper:#fff;--ink:#1d1d1a;--mut:#85827a;--line:#e8e3d8;--gold:#bf9a3c;--gold-d:#9a7a2a;--dark:#1f1e1b;--maxw:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--bg);font-family:"Noto Sans JP",system-ui,sans-serif;font-size:16px;line-height:1.85}
a{color:inherit;text-decoration:none}
.ww{max-width:var(--maxw);margin:0 auto;padding:0 24px}.narrow{max-width:780px}.tc{text-align:center}
.mono{font-family:"Roboto Mono",monospace}
.lg-n,.dh,.hero-h,.ph h1,.eb,.ph-en{font-family:"Manrope","Noto Sans JP",sans-serif}

/* header */
.hd{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line)}
.hd-in{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;gap:20px}
.lg{display:flex;flex-direction:column;line-height:1.05}
.lg-n{font-size:23px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.lg-s{font-size:9px;letter-spacing:.16em;color:var(--gold-d);font-weight:700}
.nav{display:flex;gap:18px;margin-left:auto;font-size:13.5px;font-weight:500}
.nav a{padding:6px 2px;border-bottom:2px solid transparent;color:#46453e}
.nav a:hover{color:var(--ink);border-color:var(--gold)}
.hd-cta{background:var(--gold);color:#fff;font-size:13px;font-weight:700;padding:10px 18px;border-radius:4px;white-space:nowrap}
.hd-cta:hover{background:var(--gold-d)}
.bg{display:none;flex-direction:column;gap:5px;width:42px;height:42px;align-items:center;justify-content:center;cursor:pointer;border:1px solid var(--line);border-radius:4px}
.bg span{display:block;width:20px;height:2px;background:var(--ink);transition:.25s}

/* crumb */
.cr{border-bottom:1px solid var(--line);font-size:12px;color:var(--mut);background:var(--paper)}
.cr .ww{padding:11px 24px}.cr a:hover{color:var(--gold-d)}

/* eyebrow + heading */
.eb{font-family:"Manrope";font-weight:800;letter-spacing:.16em;font-size:12px;color:var(--gold-d);margin:0 0 8px;text-transform:uppercase}
.eb.gold{color:var(--gold)}
.dh{font-size:clamp(24px,3.6vw,36px);font-weight:800;letter-spacing:-.01em;margin:0 0 24px}
.dh.light{color:#fff}

/* hero */
.hero{padding:64px 0;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fffdf8,var(--bg))}
.hero-grid{display:grid;grid-template-columns:1.2fr .9fr;gap:44px;align-items:center}
.hero-k{font-size:11.5px;letter-spacing:.12em;color:var(--gold-d);margin:0 0 18px;font-weight:700}
.hero-h{font-size:clamp(38px,6vw,68px);font-weight:800;line-height:1.04;letter-spacing:-.02em;margin:0 0 20px}
.hero-l{color:#46453e;margin:0 0 26px}
.hero-b{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.hero-p{display:flex;flex-wrap:wrap;gap:8px 20px;list-style:none;padding:0;margin:0;font-size:13px;color:#46453e}
.hero-p li{position:relative;padding-left:18px}
.hero-p li::before{content:"";position:absolute;left:0;top:.5em;width:9px;height:9px;background:var(--gold);border-radius:2px}
.hero-board{background:var(--dark);border-radius:8px;padding:24px;color:#eceadf}
.board-t{font-family:"Manrope";font-weight:700;letter-spacing:.1em;font-size:11px;color:var(--gold);margin:0 0 14px;text-transform:uppercase}
.board-n{font-size:11px;color:#a8a59a;margin:12px 0 0}

/* rate board table */
.board{width:100%;border-collapse:collapse}
.board th{font-family:"Manrope";font-weight:700;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);text-align:left;padding:6px 8px;border-bottom:1px solid rgba(191,154,60,.4)}
.board td{padding:9px 8px;border-bottom:1px solid rgba(255,255,255,.08);font-size:14px}
.board td.mono{font-size:13.5px}.board td.em{color:#fff;font-weight:700}
.board.wide,.board.wide th,.board.wide td{color:var(--ink)}
.board.wide{background:var(--paper);border:1px solid var(--line)}
.board.wide th{color:var(--gold-d);border-bottom:1px solid var(--line)}
.board.wide td{border-bottom:1px solid var(--line)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;font-weight:700;font-size:14px;border-radius:5px;border:2px solid transparent;transition:.16s}
.btn-g{background:var(--gold);color:#fff}.btn-g:hover{background:var(--gold-d)}
.btn-o{background:transparent;color:var(--ink);border-color:var(--ink)}.btn-o:hover{background:var(--ink);color:#fff}
.btn-do{background:transparent;color:#fff;border-color:var(--gold)}.btn-do:hover{background:var(--gold);border-color:var(--gold)}

/* bands */
.band{padding:60px 0}.band.soft{background:var(--paper)}.band.dark{background:var(--dark);color:#eceadf}
.band-l{max-width:680px;margin:0 0 22px;color:#46453e}.tc .band-l{margin-left:auto;margin-right:auto}
.band.dark .band-l,.band-l.light{color:#bdbbb0}
.more{margin-top:22px}.more a{color:var(--gold-d);font-weight:700}.more a.gold{color:var(--gold)}.more a:hover{text-decoration:underline}
.muted{color:var(--mut)}.small{font-size:12px}.rl{font-size:13px;color:var(--mut);font-weight:700;margin:0 0 9px}

/* material chips/grid */
.mgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mchip{display:flex;flex-direction:column;gap:4px;padding:26px 22px;background:var(--paper);border:1px solid var(--line);border-top:3px solid var(--tone,var(--gold));border-radius:6px;transition:.16s}
.mchip:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(0,0,0,.06)}
.mchip-s{font-family:"Roboto Mono";font-weight:700;font-size:13px;color:var(--tone)}
.mchip-ja{font-size:18px;font-weight:700}.mchip-en{font-family:"Manrope";font-size:11px;letter-spacing:.1em;color:var(--mut)}
.mbigs{display:flex;flex-direction:column;gap:14px}
.mbig{display:flex;align-items:center;gap:20px;padding:24px 26px;background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--tone);border-radius:6px;transition:.16s}
.mbig:hover{border-color:var(--tone)}
.mbig-s{font-family:"Roboto Mono";font-weight:700;font-size:22px;color:var(--tone);min-width:54px}
.mbig-ja{display:block;font-size:19px;font-weight:700}.mbig-l{display:block;font-size:13px;color:var(--mut)}
.mbig-g{margin-left:auto;color:var(--gold);font-size:20px;font-weight:700}

/* item grid */
.igrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.igrid.big{grid-template-columns:repeat(3,1fr)}
.icard{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:18px 20px;background:var(--paper);border:1px solid var(--line);border-radius:5px;transition:.16s}
.icard:hover{border-color:var(--gold);background:#fffdf6}
.icard-ja{font-weight:700;font-size:14.5px}.icard-g{color:var(--gold);font-weight:700}
.icard.big{flex-direction:column;align-items:flex-start;gap:7px;padding:24px}
.icard-en{font-family:"Manrope";font-size:11px;letter-spacing:.1em;color:var(--gold-d);font-weight:700}.icard-d{font-size:12.5px;color:var(--mut)}

/* combo cards */
.bgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:8px}
.bcard{display:flex;justify-content:space-between;align-items:center;padding:15px 18px;background:var(--paper);border:1px solid var(--line);border-radius:5px;transition:.16s}
.bcard:hover{border-color:var(--gold);background:#fffdf6}
.bcard-n{font-weight:700;font-size:14px}.bcard-g{color:var(--gold);font-weight:700}

/* board layout */
.board-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:36px;align-items:start}
.board-wrap .board{background:var(--paper);border:1px solid var(--line)}
.board-wrap .board th{color:var(--gold-d);border-bottom:1px solid var(--line)}
.board-wrap .board td{border-bottom:1px solid var(--line)}.board-wrap .board td.em{color:var(--ink)}
.board-col .board-t{color:var(--gold-d)}
.boards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.boards .board{background:var(--paper);border:1px solid var(--line)}
.boards .board th{color:var(--gold-d);border-bottom:1px solid var(--line)}.boards .board td{border-bottom:1px solid var(--line)}.boards .board td.em{color:var(--ink)}
.boards .board-t{color:var(--gold-d)}

/* hallmark tool */
.hltool{max-width:520px;margin:8px auto 0}
.hli{width:100%;font:inherit;padding:14px 16px;border:2px solid var(--ink);border-radius:6px;font-family:"Roboto Mono",monospace}
.hli:focus{outline:none;border-color:var(--gold)}
.hlr{margin-top:12px}.hlhint{font-size:13px;color:var(--mut);margin:8px 0}
.hlrow{display:flex;align-items:center;gap:16px;padding:12px 16px;background:var(--paper);border:1px solid var(--line);border-radius:5px;margin-bottom:8px;text-align:left}
.hlm{font-size:15px;font-weight:700;color:var(--gold-d);min-width:130px}.hlmean{font-size:14px}

/* steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;text-align:center}
.steps li{border:1px solid #3a3933;border-radius:6px;padding:26px 22px;font-size:13.5px;color:#bdbbb0}
.steps span{font-family:"Manrope";font-weight:800;font-size:28px;color:var(--gold);display:block;line-height:1}
.steps b{display:block;margin:8px 0 6px;font-size:16px;color:#fff}
.steps2{list-style:none;counter-reset:s;padding:0;margin:0}
.steps2 li{position:relative;padding:0 0 26px 56px;border-left:1px solid var(--line);margin-left:18px}
.steps2 li:last-child{border-color:transparent}
.steps2 li::before{counter-increment:s;content:"0" counter(s);position:absolute;left:-18px;top:-4px;width:36px;height:36px;border-radius:6px;background:var(--gold);color:#fff;display:flex;align-items:center;justify-content:center;font-family:"Manrope";font-weight:800;font-size:13px}
.steps2 b{display:block;font-size:16px;margin-bottom:4px}.steps2 p{margin:0;color:#46453e;font-size:14px}

/* page header */
.ph{background:var(--paper);border-bottom:1px solid var(--line);padding:54px 0}
.ph.mph{border-top:4px solid var(--tone)}
.ph-en{font-family:"Manrope";font-weight:800;letter-spacing:.14em;font-size:12px;color:var(--gold-d);margin:0 0 10px}
.ph h1{font-size:clamp(28px,4.5vw,44px);font-weight:800;margin:0 0 14px;letter-spacing:-.01em}
.ph-l{color:#46453e;margin:0;max-width:720px}

/* methods/checks/tips/tags/faq */
.m3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.mb{border:1px solid var(--line);background:var(--paper);border-radius:6px;padding:26px;text-align:center}
.mb span{font-family:"Manrope";font-weight:800;font-size:11px;letter-spacing:.1em;color:var(--gold-d)}
.mb h3{margin:6px 0 9px;font-size:18px}.mb p{margin:0;font-size:13.5px;color:#46453e}
.checks,.tips{list-style:none;padding:0;margin:0}
.checks li{position:relative;padding:10px 0 10px 24px;border-bottom:1px solid var(--line);font-size:14.5px}
.checks li::before{content:"";position:absolute;left:0;top:16px;width:9px;height:9px;background:var(--gold);border-radius:2px}
.tips li{padding:14px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:#46453e}.tips b{color:var(--ink)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{border:1px solid var(--line);border-radius:5px;padding:8px 15px;font-size:13px;transition:.16s;background:var(--paper)}.tags a:hover{border-color:var(--gold);color:var(--gold-d)}
.faq{margin:0}.qa{border-bottom:1px solid var(--line);padding:16px 0}
.qa dt{font-weight:700;position:relative;padding-left:26px}.qa dt::before{content:"Q";position:absolute;left:0;color:var(--gold);font-family:"Manrope";font-weight:800}
.qa dd{margin:8px 0 0 26px;color:#46453e;font-size:14.5px}
.gb{padding:22px 0;border-bottom:1px solid var(--line)}.gb h3{font-size:18px;color:var(--ink);margin:0 0 8px}.gb p{margin:0 0 10px;color:#46453e}.gb p:last-child{margin-bottom:0}
.gb .artdl{margin:14px 0 4px}.artdl-row{display:grid;grid-template-columns:180px 1fr;gap:14px;padding:11px 0;border-top:1px solid var(--line)}
.artdl-row dt{font-weight:800;font-size:14.5px;color:var(--gold-d)}.artdl-row dd{margin:0;color:#46453e;font-size:14px;line-height:1.85}
.gb .art-list{margin:12px 0 4px;padding-left:0;list-style:none}.art-list li{position:relative;padding:9px 0 9px 22px;border-bottom:1px solid var(--line);font-size:14.5px;color:#46453e}.art-list li::before{content:"●";position:absolute;left:0;color:var(--gold);font-size:8px;top:14px}
.art-toc{border:1px solid var(--gold);background:var(--paper);padding:20px 26px;margin:0 0 8px}
.art-toc-t{font-family:"Manrope";font-weight:800;letter-spacing:.14em;font-size:12px;color:var(--gold-d);margin:0 0 10px;text-transform:uppercase}
.art-toc ol{margin:0;padding-left:1.3em;font-size:14.5px;line-height:1.95;color:#46453e}.art-toc a{color:#46453e}.art-toc a:hover{color:var(--gold-d);text-decoration:underline}
.art-lead{font-size:15.5px;line-height:1.95;margin:0 0 22px;color:#3a3933}
@media(max-width:600px){.artdl-row{grid-template-columns:1fr;gap:3px}}
.ctab{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* form/table */
.frm{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:30px}
.frm label{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:700}.frm .full{grid-column:1/-1}
.frm input,.frm textarea{font:inherit;font-weight:400;padding:11px 13px;border:1px solid var(--line);border-radius:5px}
.frm input:focus,.frm textarea:focus{outline:none;border-color:var(--gold)}
.frm .btn{grid-column:1/-1;justify-self:start}.frm .fn{grid-column:1/-1;margin:0;font-size:11px;color:var(--mut)}
.ctbl{width:100%;border-collapse:collapse}.ctbl th,.ctbl td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);font-size:14.5px}
.ctbl th{width:34%;background:var(--paper);font-weight:700;white-space:nowrap}
.pv h3{font-size:16px;color:var(--ink);margin:22px 0 6px}.pv p{margin:0;color:#46453e}

/* fee row (買取強化追加要素) */
.fee5{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:8px}
.fee{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:18px 12px;text-align:center}
.fee b{display:block;font-size:12px;color:var(--ink2);font-weight:400;margin-bottom:6px}
.fee span{font-family:"Roboto Mono",monospace;font-weight:700;font-size:18px;color:var(--gold-d)}

/* footer */
.ft{background:var(--dark);color:#bdbbb0;border-top:3px solid var(--gold)}
.ft-in{display:grid;grid-template-columns:1.8fr 1fr 1fr 1.2fr;gap:30px;padding:52px 24px 34px}
.ft-b .lg-n{font-size:22px;color:#fff;display:block}.ft-b .lg-s{font-size:9px;letter-spacing:.14em;color:var(--gold);display:block;margin-bottom:14px}
.ft-b p{font-size:13px;margin:0 0 12px}.ft-b .mini{font-size:11.5px;color:#86847a}
.ft-c h3{font-family:"Manrope";font-weight:800;font-size:12px;letter-spacing:.06em;color:#fff;margin:0 0 14px}
.ft-c a{display:block;font-size:13px;padding:5px 0;color:#b3b1a6}.ft-c a:hover{color:var(--gold)}
.cc{border-top:1px solid #34332c;font-size:12px;color:#7d7b71}.cc .ww{padding:16px 24px}

@media(max-width:960px){
  .nav{display:none}.bg{display:flex}
  #nv:checked ~ header .bg span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  #nv:checked ~ header .bg span:nth-child(2){opacity:0}
  #nv:checked ~ header .bg span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  #nv:checked ~ header .nav{display:flex;position:fixed;top:68px;left:0;right:0;bottom:0;background:var(--paper);flex-direction:column;gap:0;padding:14px 24px;z-index:55;overflow:auto}
  #nv:checked ~ header .nav a{padding:16px 0;border-bottom:1px solid var(--line);font-size:16px}
  .hero-grid{grid-template-columns:1fr;gap:28px}.board-wrap{grid-template-columns:1fr;gap:24px}
  .mgrid,.igrid,.boards,.fee5{grid-template-columns:1fr 1fr}.igrid.big{grid-template-columns:1fr 1fr}
  .steps,.m3{grid-template-columns:1fr}.ft-in{grid-template-columns:1fr 1fr}.frm{grid-template-columns:1fr}
}
@media(max-width:600px){
  .hd-cta{display:none}.hd-in{height:60px}
  .mgrid,.igrid,.igrid.big,.boards,.bgrid,.fee5{grid-template-columns:1fr}
  .band{padding:44px 0}.hero{padding:44px 0}.ft-in{grid-template-columns:1fr}
}