:root{--orange:#ec641a;--orange-deep:#b7480c;--green:#2f927e;--ivory:#f5f3f2;--greige:#efeeec;--ink:#333;--body:#4a3f3f;--muted:#666;--navy:#19344a;--line:#e6e1de}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:#fff;color:var(--ink);font-family:'Noto Sans JP','M PLUS 1p','Yu Gothic','Hiragino Kaku Gothic ProN',sans-serif;font-size:16px;font-weight:400;line-height:1.9;-webkit-font-smoothing:antialiased}h1,h2,h3{margin:0;font-weight:900;line-height:1.5;letter-spacing:.03em}p{margin:0}img,svg{display:block;max-width:100%}a{color:inherit}.wrap{max-width:720px;margin:0 auto;padding:0 22px}
.hero{position:relative;background:linear-gradient(180deg,rgba(255,255,255,.91),rgba(245,243,242,.94)),url('/campaign/assets/original-0.jpg') center 30%/cover;text-align:center;padding:28px 22px 56px;border-bottom:1px solid var(--line)}.hero-top{padding:6px 0 30px}.hero-top img{height:auto;width:190px;margin:0 auto}.kicker{display:inline-block;font:500 22px/1.2 Teko,sans-serif;letter-spacing:.13em;background:var(--orange);color:#fff;padding:8px 16px;margin-bottom:20px}.hero h1{font-size:clamp(24px,6vw,32px);color:var(--ink);line-height:1.6}.hero h1 .small{display:block;font-size:14px;font-weight:700;margin-bottom:10px;letter-spacing:.02em}.hero h1 em{font-style:normal;color:var(--orange-deep)}.hero p.lead{margin:18px auto 0;max-width:420px;font-size:16px;color:var(--body)}
.mini-flow{display:flex;align-items:center;justify-content:center;gap:10px;max-width:420px;margin:30px auto 0}.mf-item{display:flex;flex-direction:column;align-items:center;gap:6px;flex:1;min-width:0}.mf-icon{width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:20px}.mf-label{font-size:14px;font-weight:700;white-space:nowrap}.mf-arrow{font-size:16px;color:var(--muted);flex:none;padding-bottom:20px}
.btn-cta{display:flex;align-items:center;justify-content:center;width:100%;max-width:360px;min-height:64px;margin:26px auto 0;padding:17px 20px;border-radius:8px;background:var(--orange);color:#fff;text-align:center;font-weight:800;font-size:16px;line-height:1.7;text-decoration:none;border:1px solid var(--orange);transition:transform .2s,background .2s}.btn-cta:hover{background:#d9540e;transform:translateY(-2px)}.btn-cta.ghost{background:#fff;color:var(--navy);border-color:#fff}.btn-cta.ghost:hover{background:var(--ivory)}
section{padding:56px 0}section.soft{background:var(--ivory)}.section-title{text-align:center;margin-bottom:40px}.eyebrow{display:block;font:500 48px/1 Teko,sans-serif;letter-spacing:.08em;color:var(--green);margin-bottom:10px}.section-title h2{font-size:clamp(22px,4.5vw,28px)}.section-title p{margin-top:12px;font-size:16px;color:var(--muted)}
.steps{display:flex;flex-direction:column;gap:0}.step{display:flex;gap:18px;position:relative;padding-bottom:34px}.step:last-child{padding-bottom:0}.step:before{content:'';position:absolute;left:21px;top:44px;bottom:0;width:1px;background:var(--line)}.step:last-child:before{display:none}.step-num{flex:none;width:44px;height:44px;border-radius:50%;background:var(--ivory);border:1px solid var(--line);color:var(--orange-deep);display:flex;align-items:center;justify-content:center;font:600 28px/1 Teko,sans-serif;z-index:1}.step-body{padding-top:6px;min-width:0}.step-body h3{font-size:18px;margin-bottom:6px}.step-body p{font-size:16px;color:var(--body)}.fine-note{margin-top:28px;font-size:14px;color:var(--muted);background:var(--ivory);border-left:3px solid var(--orange);padding:14px 16px}
.area-note{display:flex;align-items:flex-start;gap:10px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--orange);padding:16px 18px;margin-bottom:28px}.area-note-icon{flex:none;font-size:16px;line-height:1.7}.area-note p{font-size:14px;color:var(--body);line-height:1.9}.area-note strong{color:var(--navy)}.campaign-card{background:#fff;padding:30px 26px;border:1px solid var(--line);border-top:3px solid var(--orange);margin-bottom:22px}.card-body{padding:0}.card-visual{display:block;width:100%;height:auto;margin:18px 0 0;border-radius:8px}.campaign-card .tag{display:inline-block;font-size:14px;font-weight:700;letter-spacing:.05em;padding:5px 13px;margin-bottom:14px}.tag.ref{background:#fff0e7;color:var(--orange-deep)}.tag.pair{background:#e9f4ef;color:#226b5d}.campaign-card h3{font-size:22px;margin-bottom:6px}.campaign-card .period{font-size:14px;color:var(--muted);margin-bottom:20px}.benefit-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:20px}.benefit-pill{flex:1 1 200px;min-width:0;background:var(--ivory);padding:18px}.benefit-pill .label{font-size:14px;font-weight:700;color:var(--muted);margin-bottom:8px}.benefit-pill .num{font-size:32px;font-weight:800;font-feature-settings:'tnum' 1;color:var(--orange-deep);line-height:1.6}.benefit-pill .num span{font-size:14px;font-weight:700;color:var(--ink);margin-left:4px}.benefit-pill .num .was{font-size:16px;color:var(--muted);text-decoration:line-through;margin-right:6px}.campaign-card .desc{font-size:16px;color:var(--body)}
.stack{display:flex;flex-direction:column;gap:9px;margin:18px 0 4px}.stack-row{display:grid;grid-template-columns:66px 1fr 76px;align-items:center;gap:12px;font-size:14px}.stack-row .who{font-weight:700;color:var(--navy)}.stack-bar{height:9px;border-radius:999px;background:var(--ivory);overflow:hidden}.stack-bar i{display:block;height:100%;background:var(--orange);border-radius:999px}.stack-row .months{text-align:right;font-weight:700;color:var(--orange-deep)}.pair-visual{display:flex;align-items:center;margin-bottom:16px}.pair-circle{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font:500 26px/1 Teko,sans-serif;color:#fff}.pair-circle.a{background:var(--green);margin-right:-14px;z-index:1}.pair-circle.b{background:var(--orange)}
.faq-list{display:flex;flex-direction:column;gap:0}details.faq{background:#fff;border-top:1px solid var(--line);padding:20px 0}details.faq:last-child{border-bottom:1px solid var(--line)}details.faq summary{cursor:pointer;list-style:none;display:flex;align-items:flex-start;gap:10px;font-weight:700;font-size:16px}details.faq summary::-webkit-details-marker{display:none}details.faq summary:before{content:'Q';flex:none;width:22px;color:var(--green);font:500 26px/1.2 Teko,sans-serif}details.faq summary:after{content:'+';margin-left:auto;flex:none;color:var(--muted);font-size:20px;font-weight:400;line-height:1.5}details.faq[open] summary:after{content:'−'}details.faq[open] summary{margin-bottom:14px}.faq-a{position:relative;font-size:16px;color:var(--body);padding-left:32px}.faq-a:before{content:'A';position:absolute;left:0;width:22px;color:var(--orange-deep);font:500 26px/1.2 Teko,sans-serif}
.final{text-align:center;background:var(--navy);color:#fff;padding:64px 0}.final h2{font-size:clamp(20px,4.5vw,26px);margin-bottom:14px}.final p{font-size:16px;color:#e0e7ec;max-width:420px;margin:0 auto}footer{padding:30px 22px 56px;text-align:center;font-size:14px;color:var(--muted)}footer img{width:145px;height:auto;margin:0 auto 12px}:focus-visible{outline:3px solid var(--green);outline-offset:4px}
@media(max-width:480px){.hero{padding-inline:18px}.wrap{padding-inline:20px}.campaign-card{padding:26px 18px}.section-title .eyebrow{font-size:44px}.campaign-card h3{font-size:20px}.step{gap:14px}.benefit-pill{padding:16px}.benefit-pill .num{font-size:30px}.stack-row{grid-template-columns:66px 1fr 64px;gap:8px}.hero h1 .small{font-size:14px}.hero p.lead{max-width:350px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* トップへの導線（2026-09-15 追加）。旧LPからの301が全部このページに着地するため、本体サイトへ戻れる導線が必要だった */
.hero-top a,footer a:has(img){display:inline-block;text-decoration:none}
.back-home{display:inline-block;margin:6px 0 16px;padding:11px 20px;border:1px solid var(--line);border-radius:999px;color:var(--navy);font-size:14px;font-weight:700;text-decoration:none;background:#fff;transition:background .2s,border-color .2s}
.back-home:hover{background:var(--ivory);border-color:var(--orange)}

/* Explicit home button above the campaign heading. */
.campaign-home-nav{margin:-10px auto 22px}.campaign-home-nav .back-home{margin:0;min-height:44px;border-color:var(--navy)}

/* Main LP photo preview: one native link for the entire card. */
.home-preview{display:flex;align-items:stretch;max-width:440px;margin:0 auto;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:#fff;text-align:left;text-decoration:none;box-shadow:0 4px 16px rgba(25,52,74,.06);transition:border-color .2s,box-shadow .2s}
.home-preview>img{width:136px;height:104px;object-fit:contain;background:var(--ivory);flex:none;align-self:center}
.home-preview-copy{display:flex;flex-direction:column;justify-content:center;gap:3px;padding:14px 16px;min-width:0;color:var(--navy)}
.home-preview-label{font-size:11px;letter-spacing:.06em;color:var(--muted)}
.home-preview-copy strong{font-size:16px;line-height:1.6}.home-preview-copy strong span{color:var(--orange)}
.home-preview-note{font-size:11px;color:var(--muted)}
.home-preview:hover{border-color:var(--orange);box-shadow:0 6px 20px rgba(25,52,74,.12)}
@media(max-width:480px){.home-preview>img{width:104px;height:98px}.home-preview-copy{padding:12px;gap:2px}.home-preview-copy strong{font-size:14px}.home-preview-note{font-size:10px}}