:root{
  --bg:#f9f6f4; --bg2:#eef4ef; --card:#ffffff;
  --ink:#33302e; --sub:#6e655f; --line:#e6ded9;
  --accent:#d97a97; --accent-deep:#b8567a; --accent-soft:#f6e6ec;
  --leaf:#7fa487; --gold:#c2a15c;
  --shadow:0 4px 16px rgba(80,60,60,.06);
  --shadow-lg:0 18px 48px rgba(80,60,60,.14);
  --field:#ffffff; --field-line:#dcd2cc;
  --header-bg:rgba(249,246,244,.82);
  --hero-fade:249,246,244;
  --btn:#b8567a; --btn-ink:#ffffff;
}
:root[data-theme="dark"]{
  --bg:#1b1613; --bg2:#221b17; --card:#26201c;
  --ink:#efe6df; --sub:#b6a89f; --line:#3a2f29;
  --accent:#e59ab0; --accent-deep:#eba6bd; --accent-soft:#3a2129;
  --leaf:#93b79b; --gold:#d8b978;
  --shadow:0 4px 20px rgba(0,0,0,.32);
  --shadow-lg:0 22px 54px rgba(0,0,0,.5);
  --field:#1f1915; --field-line:#4a3d35;
  --header-bg:rgba(27,22,19,.78);
  --hero-fade:27,22,19;
  --btn:#bf5c80; --btn-ink:#ffffff;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Zen Kaku Gothic New",sans-serif;color:var(--ink);background:var(--bg);line-height:1.9;-webkit-font-smoothing:antialiased;transition:background .4s ease,color .4s ease}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2.5px solid var(--accent-deep);outline-offset:3px;border-radius:4px}
h1,h2,h3{text-wrap:balance}

/* テーマ・言語切替の View Transition（対応ブラウザのみ・非対応は普通に切替） */
::view-transition-old(root),::view-transition-new(root){animation-duration:.45s}

/* スキップリンク */
.skip{position:fixed;top:-60px;left:12px;z-index:200;background:var(--accent-deep);color:#fff;padding:10px 16px;border-radius:0 0 10px 10px;font-weight:700;transition:top .2s}
.skip:focus{top:0}

/* スクロール進捗（scroll-driven対応ブラウザはCSSだけで動く。非対応はJSが代行） */
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--accent),var(--gold));z-index:120}
@supports (animation-timeline: scroll()){
  .progress{width:100%;transform-origin:0 50%;transform:scaleX(0);animation:grow linear both;animation-timeline:scroll(root)}
  @keyframes grow{to{transform:scaleX(1)}}
}

.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
.wrap-narrow{max-width:760px;margin:0 auto;padding:0 28px}
section{padding:92px 0}
section.alt{background:var(--bg2)}

.sec-title,.hero h1,.hero .catch,.value-quote,.partner h3,.card h3{
  word-break:keep-all;overflow-wrap:break-word;line-break:strict;
}

/* ヘッダー */
header{position:sticky;top:0;z-index:100;background:var(--header-bg);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{max-width:1180px;margin:0 auto;padding:12px 28px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.logo{display:flex;align-items:center;gap:9px;font-family:"Shippori Mincho",serif;font-weight:700;font-size:1.15rem}
.logo .logomark{width:30px;height:30px}
.logo span{color:var(--accent-deep);font-size:.9em}
.menu{display:flex;gap:22px;font-size:.9rem;font-weight:500}
.menu a{color:var(--sub);position:relative;padding:4px 0;transition:color .2s}
.menu a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--accent-deep);transition:width .3s}
.menu a:hover,.menu a.active{color:var(--accent-deep)}
.menu a.active::after{width:100%}
.nav-tools{display:flex;align-items:center;gap:9px}
.icon-btn{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:transparent;border:1px solid var(--line);cursor:pointer;color:var(--ink);transition:background .2s,border-color .2s}
.icon-btn:hover{background:var(--accent-soft);border-color:var(--accent)}
.icon-btn svg{width:19px;height:19px;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}
.vst{display:none;align-items:center;gap:6px;font-size:.68rem;font-weight:700;letter-spacing:.03em;color:var(--sub);border:1px solid var(--line);border-radius:16px;padding:5px 11px;transition:background .2s,border-color .2s;white-space:nowrap}
.vst.show{display:inline-flex}
.vst:hover{background:var(--accent-soft);border-color:var(--accent)}
.vst .d{width:8px;height:8px;border-radius:50%;background:var(--sub);flex:none}
.vst .d.ok{background:var(--leaf)}
.vst .d.warn{background:#d9a54a}
.vst .d.bad{background:#c9564a;animation:pulse 1.6s ease-in-out infinite}
@media(max-width:860px){.vst .t{display:none}.vst{padding:5px 8px}}
.lang-btn{width:auto;padding:0 13px;border-radius:20px;font-family:inherit;font-size:.78rem;font-weight:700;letter-spacing:.05em;height:40px;color:var(--ink);white-space:nowrap;display:inline-flex;align-items:center}
.lang-btn .l-en,.lang-btn .l-ja{opacity:.45}
:root[data-lang="ja"] .lang-btn .l-ja{opacity:1;color:var(--accent-deep)}
:root[data-lang="en"] .lang-btn .l-en{opacity:1;color:var(--accent-deep)}
.theme-toggle .moon{display:none}
:root[data-theme="dark"] .theme-toggle .sun{display:none}
:root[data-theme="dark"] .theme-toggle .moon{display:block}
.cta-mini{display:inline-flex;align-items:center;gap:6px;background:var(--btn);color:var(--btn-ink);padding:9px 17px;border-radius:22px;font-size:.85rem;font-weight:700;transition:transform .2s,filter .2s}
.cta-mini:hover{transform:translateY(-2px);filter:brightness(1.05)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--ink);transition:.3s;display:block}

/* モバイルメニュー */
.mobile-menu{position:fixed;inset:0;background:var(--bg);z-index:150;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:19px;opacity:0;visibility:hidden;transition:.3s}
.mobile-menu.open{opacity:1;visibility:visible}
.mobile-menu .mm-mark{width:58px;height:58px;margin-bottom:10px}
.mobile-menu a{font-family:"Shippori Mincho",serif;font-size:1.26rem;color:var(--ink)}
.mobile-menu a.cta-mini{color:var(--btn-ink);font-family:"Zen Kaku Gothic New",sans-serif;font-size:1rem;padding:12px 26px}
.mobile-menu .close{position:absolute;top:20px;right:24px;font-size:2rem;background:none;border:none;cursor:pointer;color:var(--ink)}

/* ヒーロー */
.hero{position:relative;min-height:90vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;overflow:hidden}
.hero-bg{position:absolute;inset:-6% 0;z-index:0;will-change:transform}
.hero-img{width:100%;height:100%;object-fit:cover;object-position:center 30%}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(var(--hero-fade),.42) 0%, rgba(var(--hero-fade),.58) 45%, rgba(var(--hero-fade),.92) 100%)}
#petals{position:absolute;inset:0;z-index:1;pointer-events:none}
.hero .inner{position:relative;z-index:2;padding:24px;max-width:840px}
.hero .lotus{width:84px;height:84px;margin:0 auto 20px;filter:drop-shadow(0 0 14px rgba(255,255,255,.9)) drop-shadow(0 0 30px rgba(255,255,255,.55)) drop-shadow(0 4px 12px rgba(80,60,60,.22))}
.hero h1{font-family:"Shippori Mincho",serif;font-size:clamp(2.4rem,7vw,4.4rem);font-weight:700;letter-spacing:.16em;margin-bottom:10px;color:var(--ink);text-shadow:0 2px 24px rgba(var(--hero-fade),1),0 1px 3px rgba(var(--hero-fade),.9)}
.hero .role{display:inline-block;color:#fff;background:rgba(51,48,46,.6);padding:7px 18px;border-radius:22px;font-size:.86rem;letter-spacing:.1em;margin-bottom:30px;font-weight:700;backdrop-filter:blur(2px);text-shadow:none}
.hero .catch{font-family:"Shippori Mincho",serif;font-size:clamp(1.3rem,4vw,2rem);line-height:1.7;font-weight:700;margin-bottom:14px;color:var(--ink);text-shadow:0 2px 18px rgba(var(--hero-fade),1),0 1px 3px rgba(var(--hero-fade),.95)}
.hero .catch .em{color:var(--accent-deep)}
.hero .en{color:var(--sub);font-size:.95rem;letter-spacing:.1em;font-style:italic;text-shadow:0 1px 10px rgba(var(--hero-fade),.95)}
.hero .infinite{margin-top:32px;font-family:"Shippori Mincho",serif;font-size:1.05rem;letter-spacing:.3em;color:var(--gold);text-shadow:0 1px 10px rgba(var(--hero-fade),.95)}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);font-size:.72rem;color:var(--sub);letter-spacing:.2em;text-shadow:0 1px 8px rgba(var(--hero-fade),.9);z-index:2;animation:bob 2.4s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(6px)}}

/* 見出し */
.sec-title{font-family:"Shippori Mincho",serif;font-size:clamp(1.6rem,4vw,2.2rem);font-weight:700;text-align:center;margin-bottom:14px;display:flex;flex-direction:column;align-items:center;gap:6px}
.sec-title .en{font-size:.7rem;letter-spacing:.28em;color:var(--accent-deep);font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;font-style:normal}
.lead{text-align:center;color:var(--sub);margin:0 auto 40px}

/* About */
.about-grid{display:grid;grid-template-columns:230px 1fr;gap:44px;align-items:start;max-width:900px;margin:0 auto}
.avatar{width:230px;height:230px;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-lg)}
.about-grid p{margin-bottom:16px}

/* パートナーシップ */
.partner{display:flex;align-items:center;justify-content:space-between;gap:30px;max-width:900px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:34px 40px;box-shadow:var(--shadow)}
.partner .plabel{display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.14em;color:var(--accent-deep);background:var(--accent-soft);padding:4px 12px;border-radius:20px;margin-bottom:12px}
.partner h3{font-family:"Shippori Mincho",serif;font-size:1.3rem;margin-bottom:10px}
.partner p{color:var(--sub);font-size:.92rem}
.vrc-badge{flex:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:0 4px 16px rgba(80,60,60,.08)}
.vrc-badge img{width:200px;height:auto;display:block}

/* News */
.news-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;list-style:none}
.news-item{display:grid;grid-template-columns:110px 1fr;gap:18px;align-items:baseline;padding:18px 6px;border-bottom:1px solid var(--line)}
.news-item:first-child{border-top:1px solid var(--line)}
.news-item time{font-family:"Shippori Mincho",serif;font-weight:700;color:var(--gold);font-size:.92rem;letter-spacing:.06em;white-space:nowrap}
.news-item .n-body{font-size:.95rem}
.news-item .n-tag{display:inline-block;font-size:.66rem;font-weight:700;color:var(--accent-deep);background:var(--accent-soft);padding:2px 9px;border-radius:6px;margin-right:9px;vertical-align:middle;white-space:nowrap}
.news-item a{color:var(--accent-deep);font-weight:700}
.news-item a:hover{text-decoration:underline}
@media(max-width:720px){.news-item{grid-template-columns:1fr;gap:4px;padding:15px 2px}}

/* Numbers */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:14px}
.stat{position:relative;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px 16px;text-align:center;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;overflow:hidden}
.stat::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--gold));opacity:0;transition:opacity .25s}
.stat:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.stat:hover::before{opacity:1}
.stat .num{font-family:"Shippori Mincho",serif;font-size:clamp(1.8rem,4vw,2.5rem);font-weight:700;color:var(--accent-deep);line-height:1.2}
.stat .num .unit{font-size:.5em;margin-left:2px;color:var(--gold)}
.stat .lbl{font-size:.9rem;font-weight:700;margin-top:8px}
.stat .sub{font-size:.72rem;color:var(--sub);margin-top:4px}

/* Value */
.value-quote{max-width:720px;margin:0 auto;text-align:center;font-family:"Shippori Mincho",serif;font-size:clamp(1.3rem,3.5vw,1.9rem);line-height:2;font-weight:600}
.value-quote .em{color:var(--accent-deep)}

/* Explore */
.tags{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:760px;margin:0 auto}
.tag{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:10px 20px;font-size:.9rem;font-weight:500;box-shadow:var(--shadow);transition:transform .2s,background .2s}
.tag:hover{transform:translateY(-3px);background:var(--accent-soft)}

/* Works */
.cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px 30px;box-shadow:var(--shadow)}
.card h3{font-family:"Shippori Mincho",serif;font-size:1.2rem;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.card ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.card li{display:flex;align-items:center;gap:10px;font-size:.94rem}
.card .note{color:var(--sub);font-size:.86rem;line-height:1.8}
.fujiyama-logo{width:200px;margin:0 auto 8px}
.out{display:inline-flex;align-items:center;gap:6px;margin-top:16px;color:var(--accent-deep);font-weight:700;font-size:.92rem}
.out:hover{text-decoration:underline}
.role-tag{flex:none;font-size:.68rem;font-weight:700;letter-spacing:.02em;color:var(--accent-deep);background:var(--accent-soft);padding:2px 9px;border-radius:6px;text-align:center;white-space:nowrap}
.role-tag.alt-tag{color:#fff;background:var(--leaf)}

/* Future */
.cycle{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;max-width:820px;margin:0 auto}
.cycle .node{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 22px;font-weight:700;box-shadow:var(--shadow)}
.cycle .arrow{color:var(--accent);font-size:1.4rem}

/* Updates */
.updates-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start;max-width:1000px;margin:0 auto}
.x-embed{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow);min-height:420px;overflow:hidden}
.x-embed .x-head{display:flex;align-items:center;gap:10px;padding:8px 10px 12px;border-bottom:1px solid var(--line);margin-bottom:8px}
.x-embed .x-head b{font-family:"Shippori Mincho",serif;font-size:1rem}
.x-embed .x-head small{color:var(--sub);font-size:.78rem}
.x-fallback{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:60px 20px;text-align:center;color:var(--sub);font-size:.9rem}
.links{display:grid;grid-template-columns:1fr;gap:14px;align-content:start}
.link-btn{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);padding:16px 22px;border-radius:14px;font-weight:500;box-shadow:var(--shadow);transition:transform .2s,background .2s}
.link-btn:hover{transform:translateY(-3px);background:var(--accent-soft)}
.link-btn .lm{flex:none;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent-deep)}
.link-btn .lm svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}
.link-btn .lm.filled svg{fill:currentColor;stroke:none}
.link-btn span{display:flex;flex-direction:column;line-height:1.3}
.link-btn small{color:var(--sub);font-size:.74rem;font-weight:400}

/* VR Info Station */
.vr-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:20px;max-width:1000px;margin:0 auto;align-items:start}
.vr-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px 24px;box-shadow:var(--shadow)}
.vr-card h3{font-family:"Shippori Mincho",serif;font-size:1.05rem;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:9px}
.vr-card h3 .dot{width:10px;height:10px;border-radius:50%;background:var(--sub);flex:none}
.vr-card h3 .dot.ok{background:var(--leaf);box-shadow:0 0 0 4px rgba(127,164,135,.18)}
.vr-card h3 .dot.warn{background:#d9a54a;box-shadow:0 0 0 4px rgba(217,165,74,.18)}
.vr-card h3 .dot.bad{background:#c9564a;box-shadow:0 0 0 4px rgba(201,86,74,.2);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(201,86,74,.08)}}
.st-main{font-size:1.02rem;font-weight:700;margin-bottom:6px}
.st-sub{font-size:.82rem;color:var(--sub);margin-bottom:12px}
.st-inc{list-style:none;display:flex;flex-direction:column;gap:8px;margin:10px 0 4px}
.st-inc li{font-size:.86rem;padding:9px 12px;border-radius:10px;background:var(--accent-soft);border:1px solid var(--line)}
.st-inc li a{color:var(--accent-deep);font-weight:700}
.st-inc li a:hover{text-decoration:underline}
.vr-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px;font-size:.72rem;color:var(--sub)}
.vr-meta a{color:var(--accent-deep);font-weight:700}
.vr-meta a:hover{text-decoration:underline}
.nw-tabs{display:flex;gap:8px;margin-bottom:12px}
.nw-tab{flex:1;background:transparent;border:1px solid var(--line);border-radius:20px;padding:8px 10px;font-family:inherit;font-size:.82rem;font-weight:700;color:var(--sub);cursor:pointer;transition:.2s}
.nw-tab.active{background:var(--accent-soft);color:var(--accent-deep);border-color:var(--accent)}
.nw-list{list-style:none;display:flex;flex-direction:column}
.nw-list li{border-bottom:1px solid var(--line)}
.nw-list li:last-child{border-bottom:none}
.nw-list a{display:grid;grid-template-columns:1fr auto;gap:4px 12px;padding:11px 4px;font-size:.88rem;line-height:1.6;transition:background .2s;border-radius:8px}
.nw-list a:hover{background:var(--accent-soft)}
.nw-list .nw-t{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nw-list .nw-d{color:var(--sub);font-size:.74rem;white-space:nowrap;align-self:start;padding-top:2px}
.nw-list .nw-s{grid-column:1/-1;font-size:.7rem;color:var(--gold);font-weight:700}
.vr-empty{padding:24px 10px;text-align:center;color:var(--sub);font-size:.86rem}
.vr-empty a{color:var(--accent-deep);font-weight:700;text-decoration:underline}

/* FAQ */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-list details{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.faq-list summary{cursor:pointer;padding:18px 22px;font-weight:700;font-size:.96rem;list-style:none;display:flex;align-items:center;gap:12px;transition:background .2s}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::before{content:"Q";flex:none;width:28px;height:28px;border-radius:50%;background:var(--accent-soft);color:var(--accent-deep);display:grid;place-items:center;font-family:"Shippori Mincho",serif;font-size:.85rem}
.faq-list summary:hover{background:var(--accent-soft)}
.faq-list details[open] summary{border-bottom:1px solid var(--line)}
.faq-list .a{padding:16px 22px 20px;font-size:.92rem;color:var(--sub);line-height:2}

/* X埋め込み：素のリンクを隠す（ウィジェット成功時は差し替わる／失敗時はフォールバックカードが出る） */
.x-embed a.twitter-timeline{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* Contact */
.contact-card{max-width:720px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:40px 44px;box-shadow:var(--shadow-lg)}
.form-row{margin-bottom:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
label{display:block;font-size:.86rem;font-weight:700;margin-bottom:7px}
label .req{color:var(--accent-deep);font-size:.8em;margin-left:4px}
input,select,textarea{width:100%;font-family:inherit;font-size:.95rem;color:var(--ink);background:var(--field);border:1px solid var(--field-line);border-radius:11px;padding:13px 15px;transition:border-color .2s,box-shadow .2s}
textarea{resize:vertical;min-height:140px;line-height:1.8}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236e655f' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 15px center;padding-right:40px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.consent{font-size:.78rem;color:var(--sub);margin:4px 0 22px}
.submit{display:inline-flex;align-items:center;justify-content:center;gap:9px;width:100%;background:var(--btn);color:var(--btn-ink);border:none;border-radius:13px;padding:16px;font-family:inherit;font-size:1rem;font-weight:700;cursor:pointer;transition:transform .2s,filter .2s}
.submit:hover:not(:disabled){transform:translateY(-2px);filter:brightness(1.06)}
.submit:disabled{opacity:.6;cursor:default}
.submit .spin{width:17px;height:17px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:none}
.submit.loading .spin{display:block}
.submit.loading .label{opacity:.7}
@keyframes spin{to{transform:rotate(360deg)}}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;width:100%;background:transparent;color:var(--ink);border:1px solid var(--field-line);border-radius:13px;padding:15px;font-family:inherit;font-size:.95rem;font-weight:700;cursor:pointer;transition:background .2s}
.btn-ghost:hover{background:var(--accent-soft)}
.btn-pair{display:grid;grid-template-columns:1fr 1.4fr;gap:12px}
.form-msg{margin-top:18px;padding:15px 18px;border-radius:12px;font-size:.9rem;font-weight:500;display:none}
.form-msg.ok{display:block;background:var(--accent-soft);color:var(--accent-deep);border:1px solid var(--accent)}
.form-msg.ng{display:block;background:#fbe9e9;color:#b33a3a;border:1px solid #e6a6a6}
:root[data-theme="dark"] .form-msg.ng{background:#3a2020}
.form-msg a{text-decoration:underline;font-weight:700}
/* 確認画面 */
.confirm-title{font-family:"Shippori Mincho",serif;font-size:1.15rem;font-weight:700;margin-bottom:6px;text-align:center}
.confirm-note{font-size:.84rem;color:var(--sub);text-align:center;margin-bottom:22px}
.confirm-dl{border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:22px}
.confirm-dl>div{display:grid;grid-template-columns:130px 1fr;gap:14px;padding:14px 18px;font-size:.92rem}
.confirm-dl>div:nth-child(odd){background:var(--bg)}
.confirm-dl dt{font-weight:700;color:var(--sub);font-size:.84rem}
.confirm-dl dd{white-space:pre-wrap;word-break:break-word}
.done-panel{text-align:center;padding:26px 6px}
.done-panel .d-mark{width:64px;height:64px;margin:0 auto 18px}
.done-panel h3{font-family:"Shippori Mincho",serif;font-size:1.25rem;margin-bottom:10px}
.done-panel p{color:var(--sub);font-size:.92rem;margin-bottom:24px}
[hidden]{display:none!important}

/* Footer */
footer{background:var(--bg2);border-top:1px solid var(--line);text-align:center;padding:52px 24px}
footer .f-mark{width:52px;height:52px;margin:0 auto 16px}
.f-nav{display:flex;flex-wrap:wrap;gap:6px 22px;justify-content:center;margin-bottom:18px;font-size:.85rem}
.f-nav a{color:var(--sub);transition:color .2s}
.f-nav a:hover{color:var(--accent-deep)}
footer .small{color:var(--sub);font-size:.8rem;letter-spacing:.05em}

/* Back to top */
.top-btn{position:fixed;right:22px;bottom:22px;width:48px;height:48px;border-radius:50%;background:var(--btn);color:var(--btn-ink);border:none;cursor:pointer;display:grid;place-items:center;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(12px);transition:.3s;z-index:90}
.top-btn.show{opacity:1;visibility:visible;transform:none}
.top-btn svg{width:20px;height:20px;stroke:#fff;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}

/* Reveal（scroll-driven対応ブラウザはCSSのみで発火。非対応はJSのIntersectionObserverが代行） */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s,transform .8s}
.reveal.show{opacity:1;transform:none}
@supports (animation-timeline: view()){
  .reveal{transition:none;animation:rise .8s ease both;animation-timeline:view();animation-range:entry 0% entry 34%}
  .reveal.show{animation:rise .8s ease both;animation-timeline:view();animation-range:entry 0% entry 34%}
  @keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
}

@media(max-width:860px){
  .updates-grid{grid-template-columns:1fr}
  .vr-grid{grid-template-columns:1fr}
}
@media(max-width:720px){
  section{padding:64px 0}
  .menu,.cta-mini.desk{display:none}
  .burger{display:flex}
  .br-pc{display:none}
  .about-grid{grid-template-columns:1fr;justify-items:center;text-align:center;gap:26px}
  .avatar{width:180px;height:180px}
  .partner{flex-direction:column;text-align:center;padding:28px 24px}
  .vrc-badge{margin:4px auto 0}
  .vrc-badge img{width:180px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:1fr}
  .cycle{flex-direction:column}
  .cycle .arrow{transform:rotate(90deg)}
  .contact-card{padding:30px 22px}
  .form-grid{grid-template-columns:1fr}
  .btn-pair{grid-template-columns:1fr}
  .confirm-dl>div{grid-template-columns:1fr;gap:2px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal,.reveal.show{opacity:1;transform:none;transition:none;animation:none}
  .scroll-hint{animation:none}
  .hero-bg{inset:0}
  #petals{display:none}
  *{transition:none!important}
}

.reveal{opacity:1;transform:none}.progress,.top-btn,.lang-btn{display:none}#stepConfirm,#stepDone{display:none}