:root{--ink:#2d2440;--muted:#6f6880;--line:#ebe3d4;--white:#fff;--accent:#8a63c6;--accent-deep:#5e3f98;--accent-light:#f3e8cf;--cream:#fdfbf6;--bg-sub:#faf5ea;--bg-tint:#f5ecd9;--plum:#3a2b4f;--gold:#d4a84b;--gold-soft:#e9cf8c;--gold-text:#8a6a24;--grad-accent:linear-gradient(115deg, #84641f 0%, #a8812f 55%, #c9a24f 115%);--grad-soft:linear-gradient(180deg, #fbf7ef 0%, #f3ebdc 100%);--grad-gold:linear-gradient(135deg, #f1dca2 0%, #d4a84b 50%, #b88a2e 100%);--font:"Zen Kaku Gothic New", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic UI", sans-serif;--font-serif:var(--font);--font-en:"Cormorant Garamond", "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;--wrap:1120px;--gutter:40px;--gutter-sp:16px;--radius:18px;--shadow-card:0 10px 30px #5e3f981a;--shadow-lift:0 20px 44px #3a2b4f29;--ease:cubic-bezier(.2, .7, .2, 1);--sec-pad:96px;--sec-pad-sp:60px;--gap-head:44px;--gap-head-sp:28px;--gap-body:24px}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body,h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}ul,ol{padding:0;list-style:none}img,svg{max-width:100%;display:block}img{height:auto}a{color:inherit;text-decoration:none}button,select,input{font:inherit;color:inherit}button{cursor:pointer}table{border-collapse:collapse}body{background:var(--cream);font-family:var(--font);font-feature-settings:"palt";color:var(--ink);line-break:strict;-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.9}h1,h2,h3,.btn,[class*=_title],[class*=_lead]{word-break:auto-phrase}:focus-visible{outline:2px solid var(--accent-deep);outline-offset:3px}.skip_link{z-index:1000;background:var(--white);box-shadow:var(--shadow-card);border-radius:8px;padding:10px 16px;font-size:14px;font-weight:700;position:fixed;top:8px;left:8px;transform:translateY(-150%)}.skip_link:focus{transform:none}.wrap{width:100%;max-width:var(--wrap);padding:0 var(--gutter);margin:0 auto}.wrap_narrow{max-width:760px}.sr_only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.btn{letter-spacing:.06em;min-height:52px;transition:transform .25s var(--ease), box-shadow .25s var(--ease), background-color .25s var(--ease);border:1.5px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:10px;padding:0 28px;font-weight:700;line-height:1.3;display:inline-flex}.btn:hover{transform:translateY(-2px)}.btn:disabled{box-shadow:none;opacity:.55;cursor:not-allowed;transform:none}.btn_go{background:var(--grad-accent);color:var(--white);box-shadow:0 12px 26px #8a6a2442}.btn_go:hover{box-shadow:0 16px 32px #8a6a2452}.btn_line{border-color:var(--accent);background:var(--white);color:var(--accent-deep)}.btn_line:hover{background:var(--bg-tint)}.sec{padding:var(--sec-pad) 0}.sec_sub{background:var(--bg-sub)}.sec_head{margin-bottom:var(--gap-head)}.sec_en{font-family:var(--font-en);letter-spacing:.28em;color:var(--gold-text);text-transform:uppercase;align-items:center;gap:12px;margin-bottom:14px;font-size:15px;font-weight:600;display:inline-flex}.sec_en:before{content:"";background:var(--grad-gold);width:28px;height:1px}.sec_title{font-family:var(--font-serif);letter-spacing:.06em;color:var(--plum);font-size:clamp(26px,3.4cqi,40px);font-weight:700;line-height:1.45}.sec_lead{max-width:640px;color:var(--muted);margin-top:20px;font-size:15.5px;line-height:2}[data-reveal]{opacity:0;transition:opacity .8s var(--ease), transform .8s var(--ease);transition-delay:var(--reveal-delay,0s);transform:translateY(22px)}[data-reveal].is_in{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transition:none;transform:none}}.doc h2{border-bottom:1px solid var(--line);font-family:var(--font-serif);letter-spacing:.04em;margin-top:48px;padding-bottom:12px;font-size:22px;font-weight:600}.doc h3{margin-top:32px;font-size:17px;font-weight:700}.doc p,.doc ul,.doc ol{margin-top:16px}.doc li{padding-left:18px;position:relative}.doc li:before{content:"";background:var(--accent);border-radius:50%;width:8px;height:8px;position:absolute;top:.8em;left:0}.doc li+li{margin-top:8px}.doc a{color:var(--accent-deep);text-decoration:underline}.note{border-left:3px solid var(--gold);background:var(--white);color:var(--muted);border-radius:0 10px 10px 0;padding:16px 20px;font-size:14px}@container fr (width<=760px){.wrap{padding:0 var(--gutter-sp)}.sec{padding:var(--sec-pad-sp) 0}.sec_head{margin-bottom:var(--gap-head-sp)}.doc h2{margin-top:40px;font-size:20px}}html.fr_lock{overflow:hidden}.fr{--col:420px;--side:calc((100vw - var(--col)) / 2);min-height:100vh;position:relative}.fr_bg{z-index:0;background:url(/images/land/bg-alt-b.webp) 50%/cover,linear-gradient(#fbf8f1 0%,#fdfaf4 100%);position:fixed;inset:0}.fr_glows{z-index:1;pointer-events:none;position:fixed;inset:0}.fr_glows span{background-position:50%;background-repeat:no-repeat;background-size:contain;animation:16s ease-in-out infinite fr_drift;position:absolute}.fr_glow_a{background-image:url(/images/parts/glow-1.webp);width:260px;height:190px;top:8%;left:4%}.fr_glow_b{background-image:url(/images/parts/bokeh.webp);width:220px;height:150px;animation-delay:-6s;top:58%;right:6%}.fr_glow_c{background-image:url(/images/parts/swoosh.webp);width:380px;height:150px;animation-delay:-11s;bottom:4%;left:14%}.fr_glints{z-index:1;pointer-events:none;position:fixed;inset:0}.fr_glints span{top:var(--y);left:var(--x);width:var(--s);height:var(--s);background:var(--grad-gold);clip-path:polygon(50% 0,62% 38%,100% 50%,62% 62%,50% 100%,38% 62%,0 50%,38% 38%);animation:fr_twinkle var(--d) ease-in-out calc(var(--i) * -1.3s) infinite;position:absolute}.fr_left,.fr_right{z-index:3;width:var(--side);flex-direction:column;justify-content:center;display:flex;position:fixed;top:0;bottom:0}.fr_left{align-items:center;gap:48px;left:0}.fr_plate{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);width:min(300px,78%);transition:transform .4s var(--ease);background:#ffffffb3;border:1px solid #d4a84bb3;border-radius:26px;justify-items:center;gap:12px;padding:30px 26px 24px;display:grid;position:relative;box-shadow:0 0 0 5px #ffffff73,0 0 0 6px #d4a84b73,0 18px 40px #3a2b4f1f}.fr_plate:before,.fr_plate:after{content:"";pointer-events:none;background-position:50%;background-repeat:no-repeat;background-size:contain;position:absolute}.fr_plate:before{background-image:url(/images/parts/corner-1.webp);width:150px;height:132px;top:-58px;left:-52px}.fr_plate:after{background-image:url(/images/parts/garland-1.webp);width:200px;height:56px;bottom:-44px;right:-30px}.fr_plate:hover{transform:translateY(-4px)}.fr_plate img{width:100%;height:auto}.fr_plate_sub{letter-spacing:.12em;color:var(--plum);font-size:12px}.fr_left_btn{border:1px solid var(--gold-soft);letter-spacing:.08em;color:var(--plum);transition:transform .3s var(--ease), box-shadow .3s;background:#ffffffe6;border-radius:999px;padding:12px 30px;font-size:14px;font-weight:700;box-shadow:0 10px 24px #3a2b4f1f}.fr_left_btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px #3a2b4f2e}.fr_right{padding-left:clamp(24px,5vw,90px);right:0}.fr_toc{gap:24px;display:grid}.fr_right:before,.fr_right:after{content:"";background-position:0;background-repeat:no-repeat;background-size:contain;width:180px}.fr_right:before{background-image:url(/images/parts/sparkle.webp);height:70px;margin:0 0 18px -20px}.fr_right:after{opacity:.9;background-image:url(/images/parts/stem-2.webp);height:120px;margin:20px 0 0 4px}.fr_toc a{color:#3a2b4f9e;gap:2px;padding-left:26px;transition:color .3s;display:grid;position:relative}.fr_toc a:before{content:"";background:var(--grad-gold);clip-path:polygon(50% 0,62% 38%,100% 50%,62% 62%,50% 100%,38% 62%,0 50%,38% 38%);width:15px;height:15px;transition:transform .5s var(--ease);position:absolute;top:5px;left:0;transform:scale(0)rotate(-90deg)}.fr_toc a:hover,.fr_toc a.is_on{color:var(--plum)}.fr_toc a.is_on:before{transform:scale(1)rotate(0)}.fr_toc_ja{letter-spacing:.1em;font-size:16px;font-weight:500;line-height:1.5}.fr_col{z-index:2;width:var(--col);margin:0 auto;position:relative;box-shadow:0 0 0 1px #fff9,0 0 60px #3a2b4f1a}.fr_main{container:fr/inline-size}.fr_page .fr_main{background:var(--cream)}.fr_bar{z-index:10;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fdfcffe6;justify-content:space-between;align-items:center;height:60px;padding:0 18px;transition:background .4s,box-shadow .4s;display:flex;position:sticky;top:0;box-shadow:0 1px #d4a84b59}.fr_top .fr_bar{box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;margin-bottom:-60px}.fr_top .fr_bar.is_solid{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fdfcffe6;box-shadow:0 1px #d4a84b59}.fr_bar_logo{width:116px;transition:opacity .4s}.fr_top .fr_bar_logo{opacity:0}.fr_top .fr_bar.is_solid .fr_bar_logo{opacity:1}.fr_bar_logo img{width:100%;height:auto}.fr_menu_btn{cursor:pointer;background:#ffffffb3;border:0;border-radius:50%;width:44px;height:44px;margin-left:auto;display:none;position:relative}.fr_menu_btn span:not(.sr_only){background:var(--plum);width:18px;height:1.5px;transition:transform .3s var(--ease);position:absolute;left:13px}.fr_menu_btn span:first-child{top:18px}.fr_menu_btn span:nth-child(2){top:25px}.fr_menu_btn[aria-expanded=true] span:first-child{transform:translateY(3.5px)rotate(45deg)}.fr_menu_btn[aria-expanded=true] span:nth-child(2){transform:translateY(-3.5px)rotate(-45deg)}.fr_menu{z-index:9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fdfaf4f5;align-content:center;justify-items:center;gap:32px;padding:80px 24px 40px;display:grid;position:fixed;inset:0;overflow-y:auto}.fr_menu[hidden]{display:none}.fr_menu_sub{border-top:1px solid var(--line);max-width:320px;color:var(--plum);flex-wrap:wrap;justify-content:center;gap:8px 16px;padding-top:24px;font-size:13px;display:flex}.fr_foot{border-top:1px solid var(--gold-soft);text-align:center;color:var(--plum);background:linear-gradient(#fbf7ef 0%,#f3ebdc 100%);padding:64px 22px 36px;position:relative}.fr_foot:before{content:"";background:url(/images/parts/garland-2.webp) 50%/contain no-repeat;width:min(360px,86%);height:66px;position:absolute;top:-34px;left:50%;transform:translate(-50%)}.fr_foot_nav,.fr_foot_links{flex-wrap:wrap;justify-content:center;gap:8px 16px;font-size:13px;display:flex}.fr_foot_links{opacity:.85;border-top:1px solid #3a2b4f26;margin-top:22px;padding-top:22px;font-size:11.5px}.fr_foot a:hover{text-decoration:underline}.fr_foot_note{color:var(--muted);margin-top:22px;font-size:11.5px}.fr_foot_logo{width:120px;height:auto;margin:18px auto 0}.fr_foot_copy{color:var(--muted);margin-top:10px;font-size:11.5px}@keyframes fr_drift{0%,to{opacity:.75;transform:translate(0)}50%{opacity:1;transform:translate(14px,-22px)}}@keyframes fr_twinkle{0%,to{opacity:.2;transform:translateY(0)scale(.6)rotate(0)}50%{opacity:.9;transform:translateY(-24px)scale(1)rotate(45deg)}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.fr_glints span,.fr_glows span{animation:none}}@media screen and (height<=860px){.fr_right:after{display:none}}@media screen and (width<=960px){.fr{--col:min(100%, 520px)}.fr_left,.fr_right{display:none}.fr_menu_btn{display:block}.fr_top .fr_bar{background:#fdfcffe6;margin-bottom:0}.fr_top .fr_bar_logo{opacity:1}}