/* riyo.net トップ（2026-10-31 リニューアル。ChatGPT の見本 riyo-modern の色と形に合わせた） */
:root{
  --paper:#fbfbf9; --ink:#222522; --muted:#687062; --line:#e4e5df; --accent:#cf352e; --soft:#f0f1eb;
  --dark:#252825; --radius:18px;
  --font:'DM Sans','Noto Sans JP',-apple-system,BlinkMacSystemFont,'Hiragino Sans',sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:14px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{display:block;max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:0}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;border-radius:8px;z-index:20}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* 上の帯 */
.site-header{position:sticky;top:0;z-index:10;background:rgba(251,251,249,.94);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:84px;gap:16px}
.wordmark{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:29px;font-weight:700;letter-spacing:-1.7px;line-height:1}
.wordmark img{width:30px;height:30px;mix-blend-mode:multiply}
.wordmark b{color:var(--accent);font-weight:700}
.nav{display:flex;align-items:center;gap:30px}
.nav a{text-decoration:none;font-size:14px;font-weight:600}
.nav a:hover{color:var(--accent)}
.nav .pill{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:12.5px;font-weight:500;background:#fff}
.nav .pill svg,.svc-arrow svg,.latest-go svg,.mm-link svg{width:16px;height:16px}

/* 最新リリース */
.latest{padding:40px 0 0}
.latest-heading{display:flex;align-items:center;gap:13px;margin-bottom:17px}
.latest-heading h2{margin:0;font-size:21px;font-weight:650;line-height:1.5;letter-spacing:-.025em}
.latest-heading time{font-size:11px;color:var(--muted);background:#efefea;padding:2px 9px;border-radius:4px}
.latest-card{display:grid;grid-template-columns:64px minmax(0,1fr) 44px;align-items:start;gap:24px;border:1px solid #dfdfd4;background:#f4f5ed;border-radius:16px;padding:25px 28px}
.latest-icon-link{display:block}
.latest-icon{display:flex;width:64px;height:64px;border-radius:16px;overflow:hidden;background:#fff;align-items:center;justify-content:center}
.latest-icon img{width:100%;height:100%;object-fit:cover}
.latest-name{display:inline-block;font-size:22px;font-weight:700;letter-spacing:-.02em;text-decoration:none;line-height:1.3}
.latest-name:hover{color:var(--accent)}
.latest-title{margin:4px 0 0;font-size:15px;font-weight:600}
.latest-lines{margin:8px 0 0;color:#454a43;font-size:13.5px}
.latest-lines p{margin:2px 0}
.latest-x{display:inline-block;margin-top:12px;font-size:12px;color:var(--muted);text-underline-offset:3px}
.latest-x:hover{color:var(--ink)}
.latest-go{align-self:center;display:flex;width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid #dfdfd4;align-items:center;justify-content:center;text-decoration:none;transition:transform .2s,border-color .2s}
.latest-go:hover{transform:translate(2px,-2px);border-color:#b6beaa}

/* つくったもの */
.works{padding:56px 0 0}
.works h2{margin:0;font-size:34px;font-weight:700;letter-spacing:-.04em;line-height:1.2;display:flex;align-items:flex-start;gap:6px}
.works h2 small{font-size:11px;font-weight:400;color:var(--muted);letter-spacing:0;margin-top:2px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:30px 0 24px}
.chip{font:inherit;font-size:13px;font-weight:500;border:0;background:transparent;color:#454a43;padding:8px 16px;border-radius:999px;cursor:pointer;display:inline-flex;align-items:baseline;gap:6px}
.chip small{font-size:10px;color:var(--muted)}
.chip:hover{background:var(--soft)}
.chip.active{background:var(--dark);color:#fff}
.chip.active small{color:#b9bdb3}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.svc-card{position:relative;display:flex;flex-direction:column;min-height:226px;padding:25px 25px 22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;text-decoration:none;transition:transform .2s,border-color .2s,box-shadow .2s}
.svc-card:hover{transform:translateY(-3px);border-color:#cfd3c6;box-shadow:0 10px 26px rgba(40,45,35,.06)}
.svc-card[hidden]{display:none}
.svc-card.tint-green{background:linear-gradient(160deg,#f1f3e9,#fbfbf7 70%)}
.svc-card.tint-blue{background:linear-gradient(160deg,#ecf1f6,#fafbfc 70%)}
.svc-card.tint-lavender{background:linear-gradient(160deg,#f1eff7,#fbfafc 70%)}
.svc-icon{display:flex;width:48px;height:48px;border-radius:12px;overflow:hidden;align-items:center;justify-content:center}
.svc-icon img{width:100%;height:100%;object-fit:cover}
.glyph{background:var(--soft);border:1px solid var(--line);color:#4d534a}
.glyph svg{width:22px;height:22px}
.svc-arrow{position:absolute;top:24px;right:24px;color:#8a9184;transition:transform .2s,color .2s}
.svc-card:hover .svc-arrow{transform:translate(2px,-2px);color:var(--ink)}
.svc-card h3{margin:22px 0 4px;font-size:18px;font-weight:650;letter-spacing:-.02em;line-height:1.4}
.svc-card p{margin:0;color:#585e55;font-size:13.5px}
.svc-tag{margin-top:auto;padding-top:22px;font-size:10px;letter-spacing:.04em;color:#5c6358;display:flex;align-items:center;gap:7px}
.svc-tag::before{content:"";width:3px;height:3px;border-radius:50%;background:currentColor}

/* 以前につくったサービス */
.legacy{margin-top:26px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.legacy summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:18px 0;font-size:13.5px;font-weight:500}
.legacy summary::-webkit-details-marker{display:none}
.legacy summary::after{content:"+";font-size:20px;font-weight:300;line-height:1}
.legacy[open] summary::after{content:"−"}
.legacy-list{padding:0 0 18px;display:grid;gap:8px}
.legacy-row{display:grid;grid-template-columns:36px 9em minmax(0,1fr) 20px;align-items:center;gap:14px;padding:10px 12px;border-radius:12px;text-decoration:none}
.legacy-row:hover{background:var(--soft)}
.legacy-row .svc-arrow{position:static}
.legacy-icon{display:flex;width:36px;height:36px;border-radius:9px;overflow:hidden}
.legacy-icon img{width:100%;height:100%;object-fit:cover}
.legacy-name{font-weight:600}
.legacy-desc{color:var(--muted);font-size:13px}

/* メルマガ */
.mm{margin:76px 0 0;background:var(--dark);color:#fff;border-radius:22px;padding:48px 46px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,300px);gap:40px;align-items:center}
.mm h2{margin:0;font-size:29px;line-height:1.6;letter-spacing:-.02em;font-weight:700}
.mm-lead{margin:16px 0 0;color:#c9ccc4;font-size:13.5px;line-height:1.9}
.mm-count{margin:10px 0 0;color:#9da397;font-size:12px}
.mm-count strong{color:#fff}
.mm form{display:grid;gap:10px}
.mm .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.mm-tabs{display:flex;gap:4px;background:rgba(255,255,255,.08);border-radius:10px;padding:3px}
.mm-tab{flex:1;font:inherit;font-size:12.5px;border:0;border-radius:8px;padding:6px 0;background:transparent;color:#c9ccc4;cursor:pointer}
.mm-tab.active{background:#f1f2ec;color:var(--ink);font-weight:600}
.mm input[type=email]{width:100%;font:inherit;font-size:14px;padding:13px 14px;border-radius:9px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff}
.mm input[type=email]::placeholder{color:#9da397}
.mm input[type=email]:focus{outline:2px solid #e8ebe0;outline-offset:1px}
.mm-submit{display:flex;justify-content:space-between;align-items:center;font:inherit;font-size:13.5px;font-weight:600;padding:13px 18px;border-radius:9px;border:0;background:#f1f2ec;color:var(--ink);cursor:pointer}
.mm-submit:hover{background:#fff}
.mm-submit:disabled{opacity:.6;cursor:wait}
.mm-submit svg{width:16px;height:16px}
.mm-help{margin:2px 0 0;color:#a9aea3;font-size:11.5px;line-height:1.7;text-align:center}
.flash{border-radius:9px;padding:10px 12px;font-size:12.5px;line-height:1.6;overflow-wrap:anywhere}
.flash:focus{outline:none}
.flash.ok{background:#e7f2e0;color:#245a1c}
.flash.err{background:#f8e3e1;color:#8f201a}

/* 下の帯 */
.site-footer{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:40px 0 48px;font-size:12px;color:var(--muted)}
.site-footer .wordmark{font-size:21px;letter-spacing:-1px;color:var(--ink)}
.site-footer .left{display:flex;align-items:center;gap:18px}
.site-footer a{text-decoration:none}
.site-footer a:hover{color:var(--ink)}

@media (max-width:900px){
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mm{grid-template-columns:1fr;padding:36px 28px;gap:28px}
}
@media (max-width:600px){
  .wrap{padding:0 16px}
  .site-header .wrap{height:64px}
  .wordmark{font-size:24px}
  .wordmark img{width:26px;height:26px}
  .nav{gap:14px}
  .nav .hide-sp{display:none}
  .nav .pill{padding:7px 12px;font-size:12px}
  .latest{padding-top:28px}
  .latest-card{grid-template-columns:52px minmax(0,1fr);gap:16px;padding:20px 18px}
  .latest-icon{width:52px;height:52px;border-radius:13px}
  .latest-name{font-size:19px}
  .latest-go{display:none}
  .works{padding-top:44px}
  .works h2{font-size:28px}
  .chips{margin:22px -16px 18px;padding:0 16px;gap:4px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
  .chips::-webkit-scrollbar{display:none}
  .chip{flex:0 0 auto}
  .chip{padding:7px 12px}
  .grid{grid-template-columns:1fr;gap:12px}
  .svc-card{min-height:0;padding:20px 20px 18px}
  .svc-card h3{margin-top:16px}
  .svc-tag{padding-top:16px}
  .legacy-row{grid-template-columns:36px minmax(0,1fr) 20px}
  .legacy-desc{grid-column:2;grid-row:2;margin-top:-6px}
  .mm{margin-top:56px;padding:30px 22px;border-radius:18px}
  .mm h2{font-size:24px}
}