@charset "UTF-8";
:root{--ink:#18352e;--paper:#f8f7f1;--white:#fffefa;--muted:#65716b;--border:#dedfd4;--sage:#e9eee5;--green:#1d4135;--lemon:#eeeee0;--shadow:0 8px 24px rgba(23,42,34,.05)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:#25332e;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #96ba9e;outline-offset:3px}.container{max-width:1130px;padding:0 22px;margin:auto}
.site-header{background:rgba(255,254,250,.94);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20;backdrop-filter:blur(15px)}.head-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px}.brand-name{font-family:Georgia,"Yu Mincho","Hiragino Mincho ProN",serif;font-weight:900;font-size:27px;letter-spacing:.06em;color:var(--ink);line-height:1.15}.brand-sub{display:block;font-size:9px;letter-spacing:.12em;color:var(--muted);line-height:1.7}.brand-stem{width:1px;height:30px;background:var(--border)}.tagline-top{font-size:12px;letter-spacing:.02em;color:#57645b}.head-actions{display:flex;align-items:center;gap:10px}.head-actions a,.head-actions button{white-space:nowrap;font-size:12px}.head-link{padding:9px 10px;color:var(--ink);border-radius:8px}.head-link:hover{background:var(--sage)}.menu-toggle{border:1px solid var(--border);background:transparent;border-radius:10px;width:42px;height:42px;display:none;align-items:center;justify-content:center}.mobile-menu{display:none;flex-direction:column;padding:5px 22px 18px;background:var(--white);border-top:1px solid var(--border)}.mobile-menu.open{display:flex}.mobile-menu a{padding:10px 0;border-bottom:1px solid var(--border);font-size:14px}
.icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.2em;flex:none}.icon-xs{width:16px;height:16px}.icon-lg{width:28px;height:28px}.icon-xl{width:48px;height:48px}
.hero{margin:38px 0 36px;border:1px solid #264d3d;background:#19392f;border-radius:19px;min-height:300px;display:grid;grid-template-columns:1.16fr .84fr;overflow:hidden;box-shadow:var(--shadow)}.hero-copy{padding:43px 48px;color:#fff}.eyebrow{font-size:11px;letter-spacing:.23em;font-weight:800;color:#b9d5c2}.hero h1{font-family:Georgia,"Yu Mincho",serif;font-weight:800;letter-spacing:.045em;font-size:clamp(28px,3.7vw,45px);line-height:1.38;margin:12px 0}.hero p{color:#e4ede5;font-size:14px;margin:0 0 22px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap}.btn{border-radius:999px;display:inline-flex;justify-content:center;align-items:center;gap:7px;padding:10px 18px;border:1px solid var(--border);background:var(--white);color:var(--ink);font-weight:700;font-size:13px;line-height:1.5}.btn:hover{transform:translateY(-1px);box-shadow:0 3px 12px rgba(0,0,0,.08)}.btn-primary{background:#dcefdc;color:#173c30;border-color:#dcefdc}.btn-dark{background:var(--green);color:white;border-color:var(--green)}.btn-ghost{background:transparent;color:#fff;border-color:#739083}.hero-art{min-height:290px;position:relative;display:flex;justify-content:center;align-items:center;overflow:hidden}.hero-art svg{width:min(100%,450px);max-height:296px}.hero-art path,.hero-art line,.hero-art circle,.hero-art rect{stroke:#d7e5d5;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}.hero-art text{fill:#e9f2e8;font-family:serif;font-size:13px}
.main-grid{display:grid;grid-template-columns:minmax(0,1fr) 295px;gap:30px;margin-bottom:62px}.section-header{display:flex;gap:10px;align-items:baseline;justify-content:space-between;flex-wrap:wrap;margin:0 0 16px}.section-title{font-size:22px;color:var(--ink);font-weight:850;letter-spacing:.02em;margin:0}.section-mini{font-size:12px;color:var(--muted)}.section-header .section-mini{margin-right:auto;margin-left:5px}.sidebar{display:flex;flex-direction:column;gap:16px}.side-card{border-radius:14px;background:var(--white);border:1px solid var(--border);padding:23px 22px;box-shadow:var(--shadow)}.side-card h3{display:flex;align-items:center;gap:9px;margin:0 0 8px;font-size:17px;color:var(--ink)}.side-card p{margin:4px 0 18px;color:var(--muted);font-size:13px;line-height:1.7}.side-card .btn{width:100%}.doodle-footprints{display:flex;justify-content:center;align-items:center;gap:25px;padding:10px 0 4px;opacity:.45}.doodle-footprints svg:nth-child(even){transform:rotate(-18deg)}.doodle-footprints svg:nth-child(odd){transform:rotate(18deg)}
.featured{border-radius:14px;background:var(--white);border:1px solid var(--border);padding:24px;display:flex;gap:20px;align-items:center;margin-bottom:31px;box-shadow:var(--shadow)}.featured-emblem{width:130px;flex:none;height:120px;background:#edf1e8;display:grid;place-items:center;border-radius:12px;position:relative}.featured-emblem .icon{width:75px;height:75px;stroke-width:1}.featured .label{font-size:11px;letter-spacing:.14em;color:#527c62;font-weight:800}.featured h3{font-size:21px;line-height:1.45;margin:8px 0}.featured p{font-size:13px;color:#6b7971;margin:0}.featured a:hover{text-decoration:underline}
.search-panel{background:var(--white);border:1px solid var(--border);border-radius:14px;padding:19px 20px;margin:0 0 18px}.search-row{display:flex;align-items:center;gap:10px}.search-row label{display:flex;align-items:center;gap:9px;flex:1}.search-row input{width:100%;padding:6px 2px;border:0;outline:0;background:transparent;font-size:14px}.chips{display:flex;gap:7px;flex-wrap:wrap;margin:15px 0 0}.chip{font-size:12px;border-radius:100px;border:1px solid var(--border);background:var(--white);color:var(--ink);padding:6px 13px;line-height:1.5}.chip:hover,.chip.active{background:#234439;border-color:#234439;color:#fff}.browse-row{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:15px;flex-wrap:wrap}.view-tabs{display:flex;gap:8px;flex-wrap:wrap}.view-tab{border:0;background:transparent;padding:7px 9px;color:#65716b;font-size:13px;font-weight:750;border-bottom:2px solid transparent}.view-tab.active{color:var(--ink);border-color:var(--green)}.result-count{font-size:12px;color:var(--muted)}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.article-card{background:var(--white);border:1px solid var(--border);border-radius:13px;min-height:205px;overflow:hidden;box-shadow:var(--shadow);position:relative;transition:transform .16s ease,box-shadow .16s ease;display:flex;flex-direction:column}.article-card:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(17,43,33,.09)}.card-main{display:flex;flex:1;flex-direction:column;padding:18px}.card-kicker{display:flex;align-items:center;gap:7px;color:#567160;font-size:11px;font-weight:750}.card-heading{font-size:16px;line-height:1.55;font-weight:850;letter-spacing:.01em;color:#18382f;margin:12px 0 8px}.card-description{font-size:12px;line-height:1.8;color:#64746a;margin:0;flex:1}.card-bottom{display:flex;justify-content:space-between;align-items:center;padding:9px 17px 12px;border-top:1px solid #eeefe6}.card-bottom small{font-size:11px;color:#78847c}.save-button{border:0;background:transparent;border-radius:8px;padding:5px 7px;color:#758178}.save-button.saved{color:#164c33;background:#edf3eb}.save-button:hover{background:#edf3eb}.card-arrow{margin-left:auto;color:#78867b}.no-result{display:none;border:1px dashed var(--border);border-radius:12px;padding:30px;text-align:center;color:var(--muted)}.no-result.show{display:block}.foot-list{display:grid;gap:8px}.foot-link{display:flex;align-items:center;gap:8px;padding:9px;border-bottom:1px solid var(--border);font-size:12px}.foot-link .icon{color:#74907d}.foot-link:hover{color:#163d30}.footer{border-top:1px solid var(--border);padding:28px 0 34px;text-align:center;font-size:12px;color:#839087}.footer strong{color:var(--ink)}.footer small{font-size:11px;display:block;margin-top:5px}.draft-note{margin-bottom:20px;border-radius:9px;padding:8px 12px;color:#826c39;background:#fbf5df;font-size:11px;border:1px solid #ede3bc}
/* Article layout */
.breadcrumbs{font-size:11px;color:#718077;margin:30px 0 27px}.breadcrumbs a{text-decoration:underline;text-decoration-color:#bdc8bd}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:38px;align-items:start;margin-bottom:55px}.article-paper{padding:0 0 30px;min-width:0}.article-topline{display:flex;gap:10px;align-items:center;color:#47745a;font-size:12px;font-weight:750;margin-bottom:12px}.article-heading{font-size:clamp(27px,3.6vw,39px);color:var(--ink);line-height:1.55;letter-spacing:.02em;font-family:Georgia,"Yu Mincho","Hiragino Mincho ProN",serif;margin:0 0 10px;font-weight:850}.article-lead{margin:8px 0 24px;color:#69786b;font-size:15px;line-height:1.85}.article-tools{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border);padding:12px 0;margin-bottom:27px;gap:10px}.article-tools small{color:#849085;font-size:12px}.article-body{font-size:16px;line-height:2.15;letter-spacing:.025em}.article-body p{margin:0 0 22px}.read-end{height:1px;background:repeating-linear-gradient(to right,#c7d2c3 0 10px,transparent 10px 16px);margin:25px 0}.sources{background:#f1f1ea;border-radius:11px;padding:13px 17px;margin:22px 0 30px}.sources h3{font-size:12px;color:#607464;margin:0 0 3px}.sources a{display:block;font-size:12px;text-decoration:underline;overflow-wrap:anywhere;margin-top:3px}.walk-line{height:57px;display:flex;justify-content:center;align-items:center;gap:13px;color:#b9c8b8}.walk-line:before,.walk-line:after{content:"";width:16%;height:1px;background:var(--border)}
.interaction{border:1px solid #c9d8c7;background:#fffffa;border-radius:15px;padding:23px 24px;margin:26px 0 28px}.interaction-kicker{font-size:12px;font-weight:800;color:#638169;display:flex;gap:8px;align-items:center}.interaction h2{font-size:19px;line-height:1.55;color:var(--ink);margin:10px 0 15px}.answer-options{display:grid;gap:8px}.answer-option{display:flex;align-items:center;gap:11px;border:1px solid var(--border);border-radius:9px;padding:12px 13px;font-size:13px;cursor:pointer}.answer-option:hover{border-color:#aac0ad}.answer-option input{accent-color:#275942;width:16px;height:16px}.interaction-actions{display:flex;justify-content:space-between;flex-wrap:wrap;align-items:center;gap:12px;margin-top:15px}.interaction-notice{font-size:11px;color:#7b8b80}.interaction-result{display:none;background:#eaf3e9;border:1px solid #c4d6c2;padding:13px 14px;border-radius:10px;font-size:13px;line-height:1.7;margin-top:13px}.interaction-result.show{display:block}.interaction-result strong{display:block;color:#264e38}.choice-warning{color:#9c503f;font-size:12px;display:none}.choice-warning.show{display:block}
.fork-header{display:flex;align-items:center;gap:10px;margin-bottom:13px}.fork-header h2{font-size:20px;color:var(--ink);margin:0}.fork-description{font-size:12px;color:#79867c;margin:0 0 15px}.fork-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.fork-card{background:var(--white);border:1px solid var(--border);padding:17px;border-radius:13px;min-width:0}.fork-card:hover{background:#f0f5ed}.fork-tag{display:block;font-size:11px;color:#577b62;margin-bottom:7px}.fork-card strong{display:block;line-height:1.6;font-size:14px;color:var(--ink)}.fork-card span.go{display:block;text-align:right;font-size:17px;color:#587866}.random-strip{margin-top:13px;display:flex;justify-content:center}.walk-complete{grid-column:1/-1;border:1px dashed var(--border);border-radius:13px;padding:22px;color:var(--ink);background:var(--white)}.walk-complete p{font-size:13px;color:var(--muted);margin:5px 0 15px}.unread-status{font-size:12px!important;margin:7px 0!important}[hidden]{display:none!important}.article-sidebar .side-card{margin-bottom:14px}.side-links a{display:block;padding:12px 0;border-bottom:1px solid var(--border);font-size:13px;line-height:1.5}.side-links a:last-child{border-bottom:0}.page-not-found{text-align:center;padding:40px}
@media(max-width:880px){.main-grid,.article-layout{grid-template-columns:1fr}.sidebar{display:grid;grid-template-columns:1fr 1fr}.article-sidebar{display:none}.hero-copy{padding:32px}.hero{grid-template-columns:1.2fr .8fr}.tagline-top{display:none}}
@media(max-width:620px){.container{padding:0 17px}.site-header .head-inner{height:60px}.brand-name{font-size:23px}.brand-stem,.brand-sub{display:none}.head-actions .head-link{display:none}.menu-toggle{display:flex}.hero{margin:20px 0 30px;display:block;min-height:0;border-radius:15px;position:relative}.hero-copy{padding:30px 25px 25px;position:relative;z-index:1}.hero h1{font-size:29px}.hero p{font-size:12px;max-width:310px}.hero-art{display:none}.section-title{font-size:20px}.featured{padding:17px;gap:13px}.featured-emblem{width:82px;height:95px}.featured-emblem .icon{width:48px;height:48px}.featured h3{font-size:17px}.featured p{font-size:12px}.card-grid{grid-template-columns:1fr;gap:10px}.article-card{min-height:0}.card-main{padding:16px}.card-heading{font-size:16px;margin:8px 0 4px}.card-description{font-size:12px}.card-bottom{padding:8px 15px}.sidebar{grid-template-columns:1fr}.side-card{padding:17px}.main-grid{margin-bottom:35px;gap:18px}.search-panel{padding:15px}.chips{gap:6px}.chip{padding:5px 10px}.breadcrumbs{margin:18px 0}.article-heading{font-size:28px}.article-lead{font-size:14px}.article-body{font-size:15px;line-height:2.05}.article-layout{gap:0}.article-paper{padding-bottom:0}.interaction{padding:17px 14px}.interaction h2{font-size:17px}.fork-grid{gap:9px}.fork-card{padding:12px}.fork-card strong{font-size:12px}.fork-header h2{font-size:18px}.footer{padding-bottom:28px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}
.save-button.saved .icon{fill:#164c33;stroke:#164c33}


/* 記事末尾の控えめな「寄り道クロスワード」導線 */
.crossword-detour{display:flex;align-items:center;gap:11px;margin-top:17px;padding:12px 14px;border-top:1px solid var(--border);border-bottom:1px solid var(--border);border-radius:7px;color:var(--ink);transition:background-color .16s ease}
.crossword-detour:hover{background:#f0f3eb}
.crossword-detour-icon{width:31px;height:31px;display:grid;place-items:center;flex:none;border:1px solid #cfd8ce;border-radius:8px;background:#f7f8f2;color:#5c7364;font-size:22px;line-height:1}
.crossword-detour-copy{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px}
.crossword-detour-title{font-size:13px;font-weight:750;line-height:1.5}
.crossword-detour-sub{font-size:11px;color:var(--muted);line-height:1.5}
.crossword-detour-arrow{font-size:19px;color:#597263;line-height:1;flex:none}
@media(max-width:620px){.crossword-detour{padding:11px 8px;gap:9px}.crossword-detour-title{font-size:13px}}

/* v2.1: one obvious starting point; secondary destinations grouped below it. */
.home-layout .hero{min-height:250px;margin:24px 0 24px;grid-template-columns:1.3fr .7fr}
.home-layout .hero-copy{padding:34px 43px}
.home-layout .hero h1{font-size:clamp(29px,3.7vw,40px);margin:7px 0 10px}
.home-layout .hero p{margin:0 0 18px}
.hero-main-action{min-width:196px;min-height:48px;font-size:15px;padding:11px 22px}
.hero-text-link{display:inline-block;color:#d4e7d7;text-decoration:underline;text-underline-offset:4px;font-size:12px;margin-top:11px}
.home-feature .featured{margin-bottom:26px}
.home-detours{padding:0 0 28px;margin-bottom:31px;border-bottom:1px solid var(--border)}
.home-detours .section-title{font-size:18px}
.home-detour-links{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.home-detour-link{min-width:0;display:flex;align-items:center;gap:11px;padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:#fffefa;transition:background-color .12s}
.home-detour-link:hover{background:#edf3eb}
.detour-symbol{font-size:23px;width:30px;flex:none;color:#5c7b68;display:grid;place-items:center}
.home-detour-link strong{display:block;font-size:13px;line-height:1.5}
.home-detour-link small{display:block;font-size:11px;color:var(--muted);line-height:1.6}
.detour-arrow{margin-left:auto;color:#658271;font-size:17px}
.browse-more{text-align:center;margin:18px 0 4px}
.browse-more .btn{border:1px solid #c5d2c5;background:#fffefa;padding:12px 28px}
.home-layout .main-grid{align-items:start}
.home-layout .sidebar .side-card{padding:18px}
body.is-walk-article .article-paper>.fork{display:none}
@media(max-width:620px){
 .home-layout .hero{margin:14px 0 21px;min-height:0}
 .home-layout .hero-copy{padding:23px 22px 22px}
 .home-layout .hero h1{font-size:27px;line-height:1.34;margin:5px 0 11px}
 .home-layout .hero p{font-size:12px;margin-bottom:17px}
 .hero-main-action{width:100%;min-height:48px}
 .home-feature .featured{margin-bottom:20px}
 .home-detours{margin-bottom:25px;padding-bottom:24px}
 .home-detours .section-title{font-size:18px}
 .home-detour-links{grid-template-columns:1fr;gap:7px}
 .home-detour-link{padding:11px 14px;gap:9px}
 .home-layout .main-grid{gap:20px}
 .home-layout .sidebar{margin-top:0}
}

/* v2.2: new 1-minute discoveries remain subordinate to the main reading action. */
.home-latest[hidden],.new-label[hidden]{display:none!important}
.home-latest{margin:2px 0 29px}
.home-latest .section-header{margin-bottom:9px}
.latest-list{background:#fffefa;border:1px solid var(--border);border-radius:13px;overflow:hidden}
.latest-item{display:flex;align-items:center;gap:12px;padding:13px 17px;text-decoration:none;color:var(--ink);border-bottom:1px solid var(--border);min-height:72px}
.latest-item:last-child{border-bottom:0}
.latest-item:hover,.latest-item:focus-visible{background:#f1f6ef}
.latest-copy{display:flex;flex:1;min-width:0;flex-direction:column;gap:1px}
.latest-copy small{font-size:11px;color:var(--muted)}
.latest-copy strong{font-size:15px;line-height:1.48}
.new-label{display:inline-block;font-size:10px;letter-spacing:.08em;line-height:1;font-weight:800;color:#9a5640;border:1px solid #ccaa96;border-radius:4px;padding:4px 6px;white-space:nowrap}
.latest-arrow{color:var(--muted);font-size:16px}
.card-kicker .new-label{margin-left:5px;vertical-align:middle}
@media(max-width:600px){.home-latest{margin:0 0 25px}.latest-item{padding:12px 13px}.latest-copy strong{font-size:14px}}

/* v2.3: quiet read indicator, using the existing local reading history. */
.read-mark{display:inline-flex;align-items:center;gap:3px;flex:none;width:max-content;font-size:10px;line-height:1.35;font-weight:700;letter-spacing:.02em;color:#718479;white-space:nowrap}
.read-mark[hidden]{display:none!important}
.card-kicker .read-mark{margin-left:2px}
.latest-copy .read-mark{font-size:10px;margin-top:2px}
.home-feature .featured .read-mark{display:inline-flex;margin:1px 0 2px}