:root{color-scheme:light;--bg: #f7f4ed;--surface: #fffdf8;--surface-strong: #ffffff;--text: #2d2a24;--muted: #706a5f;--line: #e5ddd0;--primary: #2f7d59;--primary-dark: #236145;--primary-soft: #e4f1e8;--accent: #c96442;--accent-soft: #f9e5dc;--warn: #b7791f;--warn-soft: #fff2cc;--danger: #c2413a;--danger-soft: #ffe2df;--ok: #2f855a;--ok-soft: #e1f2e6;--shadow: 0 14px 38px rgb(64 48 28 / 10%);--radius: 12px;font-family:Noto Sans JP,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{background:var(--bg);color:var(--text);scroll-behavior:smooth}body{margin:0;min-width:320px;background:linear-gradient(180deg,#fffdf8f0,#f7f4ed 440px),var(--bg)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}img{display:block;max-width:100%}.page-shell{min-height:100vh;padding-bottom:84px}.container{width:min(100% - 32px,1040px);margin-inline:auto}.narrow{width:min(100% - 32px,760px);margin-inline:auto}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(229,221,208,.8);background:#fffdf8db;backdrop-filter:blur(14px)}.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:60px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800}.brand__icon,.icon-tile{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;color:#fff;background:var(--primary)}.desktop-nav{display:none;align-items:center;gap:18px;color:var(--muted);font-size:.94rem}.desktop-nav a:hover{color:var(--primary)}.bottom-nav{position:fixed;inset-inline:0;bottom:0;z-index:30;border-top:1px solid var(--line);background:#fffdf8f2;backdrop-filter:blur(14px)}.bottom-nav__inner{display:grid;grid-template-columns:repeat(5,1fr);width:min(100%,640px);height:68px;margin:0 auto}.bottom-nav a{display:grid;place-items:center;align-content:center;gap:3px;color:var(--muted);font-size:.72rem;font-weight:700}.bottom-nav svg{width:20px;height:20px}.bottom-nav a[aria-current=page]{color:var(--primary)}.hero{padding:40px 0 28px}.hero__grid{display:grid;gap:22px;align-items:center}.date-pill,.ad-pill,.tag{display:inline-flex;align-items:center;gap:7px;width:fit-content;border-radius:999px;padding:7px 11px;background:var(--primary-soft);color:var(--primary-dark);font-size:.84rem;font-weight:800}.ad-pill{background:var(--accent-soft);color:#8a3a20}.tag{background:#f0ece3;color:var(--muted);font-size:.78rem}h1,h2,h3,p{margin:0}h1{margin-top:14px;font-size:clamp(2rem,7vw,4.2rem);line-height:1.05;letter-spacing:0}.lead{margin-top:16px;color:var(--muted);font-size:1.04rem;line-height:1.8}.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.button,.button-secondary,.button-ghost,.button-danger{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;border:1px solid transparent;border-radius:10px;padding:10px 14px;cursor:pointer;font-weight:800;transition:transform .16s ease,background .16s ease,border-color .16s ease}.button{color:#fff;background:var(--primary)}.button:hover,.button-secondary:hover,.button-ghost:hover{transform:translateY(-1px)}.button-secondary{border-color:var(--line);color:var(--text);background:var(--surface-strong)}.button-ghost{border-color:transparent;color:var(--primary);background:transparent}.button-danger{color:#fff;background:var(--danger)}.panel,.card,.product-card,.article-card,.calculator{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.panel{padding:18px}.section{padding:22px 0}.section-header{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:14px}.section-title{font-size:1.28rem}.muted{color:var(--muted)}.small{font-size:.88rem}.grid{display:grid;gap:14px}.status-grid{display:grid;gap:12px}.status-card,.product-card,.article-card{padding:14px}.status-card{display:grid;gap:12px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface)}.status-card__top{display:flex;align-items:center;justify-content:space-between;gap:10px}.status-card__name{display:flex;align-items:center;gap:9px;font-weight:850}.status-card__days{font-size:1.42rem;font-weight:900}.status-urgent{border-color:#c2413a57;background:var(--danger-soft)}.status-soon{border-color:#b7791f57;background:var(--warn-soft)}.status-ok{border-color:#2f855a47;background:var(--ok-soft)}.product-grid,.article-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.product-card{display:grid;gap:12px;box-shadow:none}.product-card__image{position:relative;display:grid;place-items:center;aspect-ratio:1;overflow:hidden;border-radius:10px;background:#f1ece2}.product-card__image img{width:100%;height:100%;object-fit:cover}.product-card__placeholder{display:grid;place-items:center;gap:8px;width:100%;height:100%;padding:18px;color:var(--muted);text-align:center;background:linear-gradient(135deg,#e4f1e8d1,#f9e5dcad),#f1ece2;font-size:.84rem;font-weight:800}.pr-badge{position:absolute;top:8px;right:8px;border-radius:999px;padding:3px 7px;color:#6d391f;background:#fff8eef0;font-size:.72rem;font-weight:900}.product-card__name{min-height:2.7em;font-weight:800;line-height:1.35}.product-card__note{margin-top:7px;line-height:1.55}.product-meta{display:flex;flex-wrap:wrap;gap:7px;color:var(--muted);font-size:.83rem}.price{font-size:1.28rem;font-weight:950}.cost-boxes{display:grid;grid-template-columns:1fr 1fr;gap:8px}.cost-box{border-radius:10px;padding:9px;background:var(--primary-soft)}.cost-box:nth-child(2){background:#f2ece1}.cost-box span{display:block;color:var(--muted);font-size:.72rem}.cost-box strong{display:block;margin-top:2px;font-size:.9rem}.product-empty{display:grid;gap:6px;box-shadow:none}.article-card{display:grid;gap:8px;box-shadow:none}.article-card h3{font-size:1rem;line-height:1.45}.site-footer{margin-top:34px;padding:28px 0 96px;border-top:1px solid var(--line);color:var(--muted);background:#f2eee6}.site-footer__grid{display:grid;gap:14px}.disclosure{border:1px solid #edc8b8;border-radius:var(--radius);padding:12px;color:#72412b;background:var(--accent-soft)}.form-grid{display:grid;gap:12px}.field{display:grid;gap:6px}.field label{font-size:.9rem;font-weight:800}.field input,.field select{width:100%;min-height:42px;border:1px solid var(--line);border-radius:10px;padding:9px 11px;color:var(--text);background:#fff}.list-actions{display:flex;flex-wrap:wrap;gap:8px}.calculator{display:grid;gap:14px;padding:16px}.result-box{border-radius:var(--radius);padding:16px;text-align:center;background:var(--primary-soft)}.result-box strong{display:block;color:var(--primary-dark);font-size:2.2rem}.article-body{display:grid;gap:22px;padding-top:24px}.article-body h1{font-size:clamp(1.9rem,6vw,3.1rem)}.article-body h2{font-size:1.35rem}.article-body p,.article-body li{color:var(--muted);line-height:1.9}.formula{border-left:4px solid var(--primary);border-radius:0 var(--radius) var(--radius) 0;padding:12px;background:#f1efe8;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9rem}@media(min-width:760px){.page-shell{padding-bottom:0}.desktop-nav{display:flex}.bottom-nav{display:none}.hero{padding:58px 0 40px}.hero__grid{grid-template-columns:minmax(0,1.05fr) minmax(280px,.8fr)}.status-grid{grid-template-columns:repeat(3,1fr)}.site-footer{padding-bottom:34px}.site-footer__grid{grid-template-columns:1.2fr 1fr}}