@charset "UTF-8";
:root{color-scheme:light dark;--bg:#f7f5ee;--surface:#fffefa;--ink:#233c34;--muted:#596960;--line:#d9dfd4;--accent:#176456;--accent-soft:#e7eee4;--warm:#924020;--warm-soft:#faeadf;--header:#fffefa;--shadow:0 8px 30px #24382d08}
@media(prefers-color-scheme:dark){:root{--bg:#151e1a;--surface:#1e2a24;--ink:#edf3ea;--muted:#b8c7bc;--line:#3b4c40;--accent:#9ed5bc;--accent-soft:#293d32;--warm:#f2b698;--warm-soft:#413025;--header:#19231d;--shadow:none}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--bg);font-family:"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic UI",Meiryo,sans-serif;font-size:16px;line-height:1.75}a{color:var(--accent);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}button{color:var(--accent)}:focus-visible{outline:3px solid var(--warm);outline-offset:4px}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.45;overflow-wrap:anywhere}h1{font-size:clamp(28px,3.5vw,43px);letter-spacing:.035em;font-weight:750}h2{font-size:25px}h3{font-size:20px}.wrap{max-width:1120px;margin-inline:auto;padding-inline:28px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;clip:rect(0,0,0,0);overflow:hidden;white-space:nowrap;border:0}.skip{position:fixed;z-index:5;top:-80px;left:16px;padding:12px 20px;background:var(--surface)}.skip:focus{top:8px}[hidden]{display:none!important}.site-header{background:var(--header);border-bottom:1px solid var(--line)}.header-inner{min-height:98px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--ink);font-size:23px;font-weight:750;letter-spacing:.04em}.brand-mark{width:43px;height:45px;border-radius:12px 12px 12px 3px;display:grid;place-items:center;color:var(--surface);background:var(--accent);font-size:25px;font-family:serif}.brand small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.1em}.header-inner nav{display:flex;gap:24px;font-size:14px}.header-inner nav a{display:flex;align-items:center;min-height:44px;color:var(--muted);text-decoration:none}.header-inner nav a[aria-current]{color:var(--accent);box-shadow:0 2px var(--accent)}.hero{padding-block:44px 36px;display:grid;grid-template-columns:1fr 275px;gap:45px;align-items:center}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.13em;color:var(--accent);margin-bottom:9px}.eyebrow span{font-size:8px;margin-right:7px}.hero-lead{color:var(--muted);font-size:15px;margin-top:17px;line-height:1.9}.today-box{border:1px solid var(--line);border-radius:18px;background:var(--surface);padding:22px 24px;box-shadow:var(--shadow)}.today-date{font-size:12px;color:var(--muted);padding-bottom:9px;border-bottom:1px solid var(--line)}.today-count{display:flex;align-items:baseline;gap:12px;margin-top:7px}.today-count strong{font-size:49px;line-height:1.4;color:var(--accent);font-weight:650;letter-spacing:-.035em}.today-count span{font-size:14px}.today-note{font-size:11px;color:var(--muted)}.verified-note{margin-top:12px;font-size:12px;line-height:1.7;border-top:1px solid var(--line);padding-top:10px;color:var(--muted)}.discovery{padding-block:18px 52px}.section-title{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}.section-title .eyebrow{font-size:10px;margin-bottom:3px}.section-title>a{font-size:13px;white-space:nowrap;min-height:44px;display:flex;align-items:center;gap:7px}.filters{display:grid;grid-template-columns:minmax(0,1fr) 185px 185px;column-gap:18px;row-gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px 24px}.filters label{font-size:12px;display:block;color:var(--muted);font-weight:600;margin-bottom:6px}.filters input[type=search],.filters select{width:100%;min-width:0;height:48px;border:1px solid var(--line);border-radius:8px;padding:8px 12px;color:var(--ink);background:var(--bg);font-size:14px}.filters input::placeholder{color:var(--muted);opacity:1}.period-filters{grid-column:1/-1;border:0;padding:0;margin:0;display:flex;gap:8px;flex-wrap:wrap}.period-filters label{margin:0;position:relative}.period-filters input{position:absolute;opacity:0;width:1px;height:1px}.period-filters span{display:inline-flex;min-height:44px;align-items:center;border:1px solid var(--line);border-radius:30px;padding:7px 21px;font-size:13px;font-weight:500;cursor:pointer}.period-filters input:checked+span{color:var(--surface);background:var(--accent);border-color:var(--accent)}.period-filters input:focus-visible+span{outline:3px solid var(--warm);outline-offset:3px}.results-bar{display:flex;justify-content:space-between;align-items:center;margin-top:16px;gap:20px}.results-bar p{font-size:14px;font-weight:600}.results-bar button{background:none;border:0;padding:10px 0;min-height:44px;font-size:12px;text-decoration:underline;text-underline-offset:3px}.list-note{font-size:12px;color:var(--muted);margin:2px 0 18px;line-height:1.7}.offers-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.offer-card{border:1px solid var(--line);border-radius:16px;background:var(--surface);padding:25px 27px;display:flex;flex-direction:column;min-width:0;box-shadow:var(--shadow);scroll-margin-top:20px}.card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:17px}.category{font-size:11px;color:var(--accent);background:var(--accent-soft);padding:3px 10px;border-radius:4px;font-weight:650;letter-spacing:.04em}.category-shopping,.category-reward{color:var(--warm);background:var(--warm-soft)}.period-kind{font-size:11px;color:var(--muted)}.organizer{font-size:12px;color:var(--muted);margin-bottom:5px}.benefit{color:var(--accent);font-size:17px;font-weight:650;margin-top:12px;line-height:1.65}.card-period{border-top:1px solid var(--line);margin-top:19px;padding-top:14px}.period-label{font-size:10px;color:var(--muted);font-weight:700;letter-spacing:.1em}.card-period p{font-size:13px;margin-top:2px;line-height:1.8}.deadline{display:inline-block;font-size:11px;color:var(--muted);margin:4px 0 5px}details{border-bottom:1px solid 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small{display:block;font-weight:400;font-size:10px;overflow-wrap:anywhere;max-width:210px;color:var(--muted)}.empty-state{text-align:center;padding:40px 20px;border:1px dashed var(--line);border-radius:16px;background:var(--surface)}.empty-symbol{display:block;font-size:40px;color:var(--accent)}.empty-state p{color:var(--muted);font-size:14px;margin:10px 0 24px}.primary-button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;border:1px solid var(--accent);border-radius:8px;padding:10px 20px;color:var(--surface);background:var(--accent);font-size:14px;font-weight:650;text-decoration:none}.no-script{border:1px solid var(--line);padding:16px;margin-top:20px;font-size:14px}.tips{display:grid;grid-template-columns:250px 1fr;gap:38px;border-top:1px solid var(--line);padding-block:36px 52px}.tips h2{font-size:23px}.tips ol{list-style:none;padding:0;margin:0;display:grid;gap:16px;counter-reset:tips}.tips li{counter-increment:tips;position:relative;padding-left:45px;font-size:14px}.tips li:before{content:"0" counter(tips);position:absolute;top:0;left:0;font-size:17px;color:var(--accent);font-weight:650}.tips li span{display:block;color:var(--muted);font-size:13px;margin-top:3px}.site-footer{background:var(--accent-soft);padding-block:30px 24px;border-top:1px solid var(--line)}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:20px}.footer-name{font-weight:700;font-size:17px}.footer-name small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:3px}.footer-top>a{font-size:12px;min-height:44px;display:flex;align-items:center;gap:10px}.footer-note{font-size:11px;color:var(--muted);max-width:850px;line-height:1.9;margin-top:20px}.footer-links{display:flex;flex-wrap:wrap;gap:25px;margin-top:12px}.footer-links a{font-size:11px;min-height:44px;display:inline-flex;align-items:center}.document{max-width:840px;padding-block:48px 70px}.document h1{font-size:32px;margin-bottom:18px}.document-lead{font-size:17px;color:var(--muted);line-height:1.9}.document h2{font-size:22px;margin:36px 0 12px}.document p{margin:12px 0;line-height:1.95;overflow-wrap:anywhere}.document li{margin:15px 0}.checklist{padding-left:24px;margin-top:30px}.checklist p{color:var(--muted);font-size:15px;margin-top:5px}
@media(max-width:800px){.wrap{padding-inline:22px}.hero{grid-template-columns:1fr 235px;gap:22px}.hero h1{font-size:31px}.today-box{padding:18px}.filters{grid-template-columns:minmax(0,1fr) minmax(0,1fr);padding:20px}.search-field{grid-column:1/-1}.offer-card{padding:23px}.card-bottom{flex-wrap:wrap;align-items:start}.card-bottom>p{width:100%}.official-link{min-height:44px}.tips{grid-template-columns:1fr;gap:24px}}
@media(max-width:540px){.wrap{padding-inline:20px}.header-inner{min-height:110px;align-items:start;flex-direction:column;gap:5px;padding-block:15px 4px}.brand{font-size:21px;gap:11px}.brand-mark{width:38px;height:40px;font-size:23px}.brand small{font-size:10px}.header-inner nav{gap:24px;width:100%;font-size:12px}.header-inner nav a{min-height:41px}.hero{display:block;padding-block:29px 19px}.hero h1{font-size:30px;letter-spacing:.01em}.hero-lead{font-size:14px;margin-top:13px}.desktop-break{display:none}.today-box{margin-top:23px;padding:13px 17px;display:grid;grid-template-columns:1fr 92px;gap:0 15px}.today-date{grid-column:1;padding:0;border:0;font-size:11px;align-self:center}.today-count{grid-row:1/3;grid-column:2;margin:0;display:flex;gap:5px;align-items:center}.today-count strong{font-size:38px}.today-count span{font-size:11px;line-height:1.5;max-width:32px}.today-note{font-size:10px;align-self:center}.verified-note{grid-column:1/-1;font-size:11px;margin-top:10px;padding-top:8px}.discovery{padding-top:16px}.section-title{gap:8px;margin-bottom:14px}.section-title h2{font-size:21px}.section-title>a{font-size:10px;gap:3px}.section-title .eyebrow{font-size:9px}.filters{padding:17px 16px;gap:13px 12px;border-radius:12px}.filters label{font-size:11px}.filters input[type=search],.filters select{font-size:12px;padding-inline:9px}.period-filters{gap:6px}.period-filters span{font-size:11px;padding:8px 15px}.results-bar{margin-top:10px}.results-bar p{font-size:12px}.results-bar button{font-size:11px}.list-note{font-size:11px;margin-bottom:14px}.offers-grid{grid-template-columns:1fr;gap:16px}.offer-card{padding:21px;border-radius:13px}h3{font-size:19px}.benefit{font-size:16px}.card-top{margin-bottom:14px}.card-bottom{flex-wrap:nowrap;align-items:end;gap:10px}.card-bottom>p{width:auto;font-size:9px}.official-link{font-size:11px}.official-link small{max-width:166px;font-size:9px}.tips{padding-block:29px 37px;gap:21px}.tips h2{font-size:22px}.footer-top{align-items:start;flex-direction:column;gap:10px}.footer-note{margin-top:13px}.document{padding-block:34px 50px}.document h1{font-size:27px}.document-lead{font-size:16px}.document p{font-size:15px}.empty-state h3{font-size:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* 出典・確認日・費用も、本文と一緒に読める大きさにする。 */
.today-date,.today-note,.verified-note,.list-note,.organizer,.deadline,.cost,.conditions dl,.card-bottom>p,.official-link,.official-link small,.footer-note,.footer-links a{font-size:13px}
.filters label{font-size:13px}.period-filters span{font-size:13px}
@media(max-width:540px){.filters input[type=search],.filters select{font-size:16px}.card-bottom{flex-direction:column;align-items:start;gap:8px}.card-bottom>p{width:100%}.official-link small{max-width:100%;font-size:13px}.results-bar button,.section-title>a{font-size:12px}.today-box{grid-template-columns:1fr 92px}.footer-top>a{font-size:13px}}