:root{--orange:#ff8a1e;--orange-dark:#c85d08;--cta:#d9640b;--ink:#3a2a1a;--sub:#766858;--bg:#fff7ec;--card:#fff;--line:#ffe2c2;--pale:#fff0df;--green:#2e7d4f}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;line-height:1.8}
a{color:var(--orange-dark)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px;top:0;z-index:100;padding:10px 16px;background:#fff;color:var(--ink);font-weight:800}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:3px solid #8a3d00;outline-offset:3px;border-radius:6px}
header{background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px}
.logo{display:flex;align-items:center;gap:8px;color:var(--orange);font-size:18px;font-weight:900;letter-spacing:.03em;text-decoration:none;white-space:nowrap}
.logo img{width:30px;height:30px;border-radius:8px}
nav ul{display:flex;gap:18px;list-style:none;margin:0;padding:0;font-size:14px;font-weight:800;white-space:nowrap}
nav a{color:var(--ink);text-decoration:none}
nav a:hover,nav a[aria-current=page]{color:var(--orange-dark)}
.breadcrumb{padding:22px 0 0;font-size:13px;color:var(--sub)}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:0;margin:0;padding:0;list-style:none}
.breadcrumb li:not(:last-child)::after{content:"›";padding:0 9px;color:#bd9c7b}
.breadcrumb a{color:var(--sub)}
.hero{padding:38px 0 46px;background:linear-gradient(165deg,#fff7ec 0%,#ffe9d6 58%,#ffe0c0 100%)}
.hero-inner{max-width:900px}
.eyebrow{margin:0 0 8px;color:var(--orange-dark);font-size:14px;font-weight:900;letter-spacing:.03em}
h1,h2,h3{line-height:1.45}
h1{margin:0;font-size:clamp(27px,5vw,44px);font-weight:900}
.hero-icon{display:inline-block;margin-right:10px;font-size:.88em}
.lead{max-width:760px;margin:16px 0 0;font-size:17px}
.answer{max-width:800px;margin:22px 0 0;padding:16px 18px;background:#fff;border-left:5px solid var(--orange);border-radius:13px;box-shadow:0 5px 18px rgba(58,42,26,.07)}
.updated{margin:15px 0 0;color:var(--sub);font-size:13px;font-weight:700}
main section{padding:54px 0}
section h2{margin:0 0 12px;font-size:clamp(23px,4vw,31px);font-weight:900}
.section-lead{max-width:680px;margin:0 auto 28px;text-align:center;color:var(--sub)}
.gacha-section{padding-top:34px;background:#fff}
.gacha{max-width:740px;margin:0 auto;padding:28px 24px 25px;background:linear-gradient(145deg,#fff6e8,#fff);border:2px solid #ffd29f;border-radius:24px;box-shadow:0 8px 24px rgba(58,42,26,.08);text-align:center}
.gacha h2{margin-bottom:7px}
.gacha-lead{max-width:590px;margin:0 auto;color:var(--sub);font-size:14px}
.gacha-word{display:grid;place-items:center;min-height:82px;margin:22px 0 16px;padding:12px 18px;border-radius:15px;background:#fff;color:var(--cta-deep,#c25503);font-size:clamp(27px,5vw,42px);font-weight:900;letter-spacing:.04em;overflow-wrap:anywhere}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:11px 25px;border:0;border-radius:999px;background:linear-gradient(180deg,#ffa54f,var(--orange));box-shadow:0 6px 16px rgba(217,100,11,.28);color:var(--ink);font:inherit;font-size:16px;font-weight:900;text-decoration:none;cursor:pointer}
.button:hover{filter:brightness(.97);transform:translateY(-1px)}
.button.secondary{background:#fff;color:var(--cta);border:2px solid var(--cta);box-shadow:none}
.gacha-button{min-width:180px}
.gacha-note{margin:14px 0 0;color:var(--sub);font-size:12px}
.topics-section,.words-section{background:#fff}
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.topic-card{display:flex;align-items:center;gap:13px;min-height:82px;padding:15px 17px;background:var(--card);border:1px solid var(--line);border-radius:17px;color:var(--ink);text-decoration:none;box-shadow:0 4px 14px rgba(58,42,26,.05);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}
.topic-card:hover{border-color:#ffbd70;box-shadow:0 7px 18px rgba(58,42,26,.1);transform:translateY(-2px)}
.topic-card.featured{grid-column:1/-1;background:linear-gradient(135deg,#fff0dc,#fff)}
.topic-icon{display:grid;place-items:center;flex:0 0 45px;width:45px;height:45px;border-radius:14px;background:var(--pale);font-size:27px}
.topic-card-body{display:flex;flex:1;min-width:0;flex-direction:column}
.topic-card-body strong{font-size:16px;line-height:1.45}
.topic-card-body small{margin-top:3px;color:var(--sub);font-size:12.5px}
.arrow{color:var(--orange-dark);font-size:22px;font-weight:900}
.words-section{padding-top:42px}
.words-section h2{margin-bottom:5px}
.source-note{margin:0 0 24px;color:var(--sub);font-size:13px}
.word-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px 12px;margin:0;padding:0;list-style:none}
.word-list li{min-width:0;padding:8px 10px;background:var(--bg);border-radius:9px;overflow-wrap:anywhere;font-size:14px}
.faq-section{background:#fffaf4}
.faq-list{display:grid;gap:11px}
.faq-item{padding:14px 17px;background:#fff;border:1px solid var(--line);border-radius:13px}
.faq-item summary{cursor:pointer;font-weight:800}
.faq-item p{margin:9px 0 1px;color:var(--sub);font-size:14px}
.related{background:#fff}
.related h2{text-align:center}
.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.guide-section{background:#fff}
.guide-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:start}
.steps{display:grid;gap:12px;margin:22px 0 0;padding:0;list-style:none;counter-reset:step}
.steps li{display:grid;grid-template-columns:32px 1fr;column-gap:11px}
.steps li::before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--orange);font-weight:900}
.steps strong,.steps span{grid-column:2}.steps strong{font-size:16px}.steps span{color:var(--sub);font-size:14px}
.guide-link{margin:22px 0 0;font-weight:800}
.answer-card{padding:21px 22px;background:var(--pale);border-radius:18px}
.answer-card h3{margin:0 0 8px;font-size:19px}.answer-card p{margin:8px 0;color:var(--sub);font-size:14px}
.cta{background:linear-gradient(160deg,#ffedd9,#ffe0bd);text-align:center}
.cta h2{margin-bottom:8px}.cta p{max-width:700px;margin:0 auto 20px;color:var(--sub)}
.buttons{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.cta-note{margin-top:20px!important;font-size:13px}
footer{padding:35px 0 40px;background:#3a2a1a;color:#eadfd3;font-size:13px}
footer .foot-brand{display:flex;align-items:center;gap:9px;margin:0 0 15px;color:#fff;font-size:16px;font-weight:900}
footer .foot-brand img{width:32px;height:32px;border-radius:8px}
footer ul{display:flex;flex-wrap:wrap;gap:8px 22px;margin:0 0 19px;padding:0;list-style:none;font-weight:700}
footer a{color:#ffcf9a}.copy{margin:0;color:#a89a88;font-size:12px}
@media(max-width:700px){
  .nav{align-items:flex-start;flex-direction:column;padding:13px 20px}.nav nav{width:100%;overflow-x:auto}.nav ul{gap:15px;min-width:max-content}
  .breadcrumb{padding-top:16px}.hero{padding-top:30px}.lead{font-size:15px}
  .topic-grid,.related-grid{grid-template-columns:1fr}.topic-card.featured{grid-column:auto}.word-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guide-grid{grid-template-columns:1fr;gap:21px}
}
@media(max-width:380px){.word-list{grid-template-columns:1fr}.gacha{padding-inline:16px}.button{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.topic-card,.button{transition:none}.topic-card:hover,.button:hover{transform:none}}