:root{--ink:#1f2a44;--soft:#5e6479;--gold:#b8923a;--paper:#f7f1e3;--card:#fffcf4;--line:#e3d6b8;color-scheme:light}
*{box-sizing:border-box}[hidden]{display:none!important}
body{margin:0;color:var(--ink);font:15px/1.9 "Hiragino Mincho ProN","Yu Mincho","YuMincho","Noto Serif JP",serif;background-color:var(--paper);background-image:radial-gradient(#e9dfc6 1px,transparent 1px),radial-gradient(#efe6cf 1px,transparent 1px);background-size:22px 22px,13px 13px;background-position:0 0,7px 9px}
.shell{max-width:560px;margin:auto;padding:14px 14px 40px}
a{color:#8c2f39}button,select{font:inherit;cursor:pointer}
button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #d8b25a;outline-offset:2px}
.top{text-align:center;padding:14px 0 4px;position:relative}.top a{position:absolute;left:0;top:14px;font-size:13px;text-decoration:none;font-family:system-ui,sans-serif}
.top h1{margin:0;font-size:34px;letter-spacing:.25em;color:#1f2a44}.top p{margin:0;color:var(--soft);font-size:13px;letter-spacing:.1em}
.top h1::before,.top h1::after{content:'◆';font-size:.4em;color:var(--gold);vertical-align:middle;margin:0 .6em}
.card{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:20px 18px;margin-top:14px;box-shadow:0 1px 0 #fff inset,0 6px 16px #6b552014;position:relative}
.card::before{content:'';position:absolute;inset:5px;border:1px solid #efe4c8;border-radius:3px;pointer-events:none}
.card h2,.card h3{margin:0 0 8px;color:#8c2f39;letter-spacing:.08em}.card h3{font-size:16px}.card p{margin:0}
.ask{text-align:center}.ask .row{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:8px;margin:12px 0}
.ask select{border:1px solid var(--line);background:#fff;border-radius:6px;padding:10px 6px;font-size:17px;color:var(--ink);text-align:center}
.call{width:100%;border:0;border-radius:6px;padding:14px;font-size:19px;letter-spacing:.3em;color:#fff7e0;background:linear-gradient(#2c3a63,#1b2340);box-shadow:0 4px 0 #0f1428,0 0 0 2px #d8b25a inset}
.call:active{transform:translateY(2px);box-shadow:0 2px 0 #0f1428,0 0 0 2px #d8b25a inset}
.ask small{display:block;margin-top:10px;color:var(--soft);font-family:system-ui,sans-serif;font-size:12px}
.calc{font-family:system-ui,sans-serif;text-align:center;color:var(--soft);font-size:14px}.calc b{color:var(--ink);font-size:18px}.calc .n{display:inline-block;min-width:1.6em;padding:0 .3em;border-radius:4px;background:#1f2a44;color:#f3dca0;font-weight:800}
.hero{text-align:center}.hero .medal{width:210px;height:210px;margin:6px auto 4px}.hero .medal svg{width:100%;height:100%;filter:drop-shadow(0 8px 14px #1f2a4433)}
.hero .title{color:var(--gold);letter-spacing:.2em;font-size:14px;margin:0}.hero h2{font-size:30px;margin:2px 0 0;color:var(--ink);letter-spacing:.06em}.hero .years{color:var(--soft);font-size:13px}
.reveal .medal{animation:reveal 1s ease-out}@keyframes reveal{0%{transform:rotateY(180deg) scale(.6);opacity:0}60%{transform:rotateY(-20deg) scale(1.05);opacity:1}100%{transform:none}}
.keys{display:flex;justify-content:center;flex-wrap:wrap;gap:6px;margin-top:10px}.keys span{border:1px solid var(--gold);color:#7a5c1e;border-radius:3px;padding:0 10px;font-size:14px}
.facts{margin:0;padding-left:1.2em}.facts li{margin:4px 0}
.hint{font-size:16px;border-left:4px solid var(--gold);padding-left:12px}
.year{display:flex;gap:14px;align-items:center}.year .num{flex:none;width:64px;height:64px;border-radius:50%;background:#1f2a44;color:#f3dca0;display:grid;place-items:center;font-size:28px;font-weight:800;box-shadow:0 0 0 3px #d8b25a}
.year b{font-size:18px}
.pairs{display:grid;grid-template-columns:1fr 1fr;gap:10px}.pair{border:1px solid var(--line);background:#fff;border-radius:6px;padding:10px;text-align:center;color:var(--ink)}.pair svg{width:88px;height:88px}.pair b{display:block}.pair small{display:block;color:var(--soft);font-size:12px}
.list{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.list button{border:1px solid var(--line);background:#fff;border-radius:6px;padding:6px 2px;font-size:12px;color:var(--ink);line-height:1.4}.list svg{width:100%;height:auto;display:block}.list .me{border-color:#8c2f39;box-shadow:0 0 0 2px #8c2f3933}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.actions button{border:1px solid #1f2a44;background:#fff;color:#1f2a44;border-radius:6px;padding:11px;letter-spacing:.1em}.actions #share{background:#1f2a44;color:#f3dca0}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#1f2a44;color:#fff;border-radius:6px;padding:8px 16px;font:14px system-ui,sans-serif;z-index:9}
.foot{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 16px;margin-top:22px;font:13px system-ui,sans-serif}
@media(max-width:420px){.top h1{font-size:28px}.list{grid-template-columns:repeat(3,1fr)}.hero h2{font-size:24px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}