:root{--ink: #26231f;--paper: #fffaf1;--base: #eee5d4;color:var(--ink);background:var(--base);font-family:Inter,Hiragino Sans,Yu Gothic,Yu Gothic UI,Meiryo,system-ui,-apple-system,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;background:radial-gradient(circle at 16% 18%,rgba(255,250,241,.8) 0 2px,transparent 3px),linear-gradient(135deg,var(--base) 0%,var(--paper) 100%);background-size:44px 44px,auto}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}.app-shell{min-height:100vh}.site-header{position:sticky;top:0;z-index:20;padding:16px clamp(18px,4vw,48px);background:#eee5d4db;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-bottom:1px solid rgba(38,35,31,.1)}.brand{display:inline-flex;align-items:center;gap:12px}.brand-mark{display:grid;width:44px;height:44px;place-items:center;border:2px solid #26231f;border-radius:8px;background:var(--paper);box-shadow:5px 5px #26231f24;font-weight:900}.brand strong,.brand small{display:block}.brand strong{font-size:clamp(.98rem,2vw,1.1rem)}.brand small{margin-top:2px;color:#26231fa8;font-size:.78rem}main{padding:clamp(28px,5vw,64px) clamp(18px,4vw,48px) 72px}.home,.tool-page{width:min(1120px,100%);margin:0 auto}.hero{max-width:780px;margin-bottom:clamp(26px,5vw,46px)}.eyebrow{margin:0 0 10px;color:#26231f9e;font-size:.78rem;font-weight:800;letter-spacing:0;text-transform:uppercase}.hero h1,.tool-heading h1{margin:0;line-height:1.12;letter-spacing:0}.hero h1{max-width:720px;font-size:clamp(2.35rem,7vw,5.3rem)}.hero p:not(.eyebrow),.tool-heading p:not(.eyebrow){max-width:680px;margin:18px 0 0;color:#26231fb8;font-size:clamp(1rem,2vw,1.12rem);line-height:1.8}.app-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}.app-card{position:relative;display:flex;min-height:220px;flex-direction:column;justify-content:space-between;overflow:hidden;padding:24px;border:1px solid rgba(38,35,31,.12);border-radius:8px;background:var(--paper);box-shadow:0 18px 42px #36312b1a;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.app-card:after{position:absolute;right:18px;bottom:16px;width:54px;height:54px;border:2px solid rgba(38,35,31,.16);border-radius:50%;content:""}.app-card:hover,.app-card:focus-visible{transform:translateY(-4px);border-color:#26231f57;box-shadow:0 22px 46px #36312b29}.app-number{width:max-content;padding:5px 9px;border-radius:999px;background:#26231f14;color:#26231fad;font-size:.78rem;font-weight:800}.app-card h2{margin:30px 0 10px;font-size:clamp(1.25rem,3vw,1.7rem);line-height:1.25;letter-spacing:0}.app-card p{margin:0;color:#26231fb8;line-height:1.65}.card-action{width:max-content;margin-top:24px;padding:8px 12px;border:1px solid rgba(38,35,31,.18);border-radius:999px;background:#26231f0f;font-size:.88rem;font-weight:800}.tool-page{display:grid;gap:22px}.tool-heading{padding:clamp(26px,5vw,42px);border:1px solid rgba(38,35,31,.12);border-radius:8px;background:var(--paper);box-shadow:0 18px 42px #36312b1a}.tool-heading h1{font-size:clamp(2rem,5vw,3.9rem)}.tool-surface{padding:clamp(22px,5vw,42px);border:1px solid rgba(38,35,31,.1);border-radius:8px;background:#fffaf1db;box-shadow:0 18px 42px #36312b14}.tool-stack{display:grid;gap:18px}.tool-stack.compact{justify-items:start}.form-row{display:grid;grid-template-columns:minmax(160px,.7fr) minmax(220px,1.3fr);gap:16px}label{display:grid;gap:8px;color:#26231fd1;font-weight:800}input,select,textarea{width:100%;min-height:48px;border:1px solid rgba(38,35,31,.16);border-radius:8px;background:var(--paper);color:var(--ink);outline:none;padding:12px 14px;transition:border-color .16s ease,box-shadow .16s ease}textarea{min-height:132px;resize:vertical;line-height:1.7}input:focus,select:focus,textarea:focus{border-color:#26231f75;box-shadow:0 0 0 4px #26231f1a}.primary-button,.ghost-button,.choice-button{min-height:48px;border:1px solid rgba(38,35,31,.18);border-radius:8px;cursor:pointer;font-weight:900;letter-spacing:0;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.primary-button{width:max-content;max-width:100%;padding:0 20px;background:var(--ink);color:var(--paper);box-shadow:5px 5px #26231f21}.primary-button.giant{min-height:82px;padding:0 clamp(24px,7vw,58px);font-size:clamp(1.15rem,4vw,1.85rem)}.ghost-button{width:max-content;max-width:100%;padding:0 16px;background:#fffaf1b8;color:var(--ink)}.ghost-button.inline{min-height:42px}.choice-pair{display:grid;width:min(720px,100%);grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.choice-button{min-height:104px;padding:16px;background:var(--paper);color:var(--ink);font-size:clamp(1rem,2.5vw,1.25rem)}.primary-button:hover,.ghost-button:hover,.choice-button:hover{transform:translateY(-2px);box-shadow:5px 8px #26231f1a}.result-box{display:grid;width:100%;gap:8px;padding:clamp(18px,4vw,28px);border:1px dashed rgba(38,35,31,.22);border-radius:8px;background:#eee5d485}.result-box span{color:#26231f9e;font-size:.82rem;font-weight:900}.result-box strong{font-size:clamp(1.2rem,4vw,2.1rem);line-height:1.45;overflow-wrap:anywhere}.timer-face{display:grid;width:min(220px,100%);aspect-ratio:1;place-items:center;border:2px solid rgba(38,35,31,.16);border-radius:50%;background:var(--paper);color:var(--ink);font-size:clamp(3rem,14vw,5.5rem);font-weight:900}.history-list{display:grid;gap:10px;margin:4px 0 0;padding:0;list-style:none}.history-list li,.empty-text{margin:0;padding:14px 16px;border:1px solid rgba(38,35,31,.1);border-radius:8px;background:#fffaf1b8;color:#26231fb8;line-height:1.65;overflow-wrap:anywhere}@media(max-width:700px){.site-header{padding:12px 16px}.brand small{display:none}main{padding:26px 16px 56px}.hero h1{font-size:clamp(2rem,13vw,3.25rem)}.app-grid,.form-row,.choice-pair{grid-template-columns:1fr}.app-card{min-height:190px}.tool-surface,.tool-heading{padding:22px}.primary-button,.ghost-button{width:100%}}