:root{
  --bg:#12100d;--fg:#f3eee6;--gray:#a19d96;--cream:#efe9df;--ink:#12100d;--soft:#6b655c;
  --card:#211e19;--cardc:#e3dacb;--line:rgba(161,157,150,.38);--linec:rgba(18,16,13,.22);--y:#f6c21a;
  --font:"Noto Sans JP","Hiragino Sans","Yu Gothic",sans-serif;
  --num:"Anton","Noto Sans JP","Hiragino Sans",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font-family:var(--font);font-weight:400;font-size:17px;line-height:1.8;overflow-x:hidden;word-break:auto-phrase;overflow-wrap:anywhere}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{max-width:100%;height:auto}
.wrap{width:100%;max-width:1168px;margin-inline:auto;padding-inline:24px}
.band-dark{background:var(--bg);color:var(--fg)}
.band-cream{background:var(--cream);color:var(--ink)}
.ch{display:inline-block}
.num{font-family:var(--num);font-weight:400;letter-spacing:0;line-height:1}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* header */
.site-header{border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:28px;min-height:84px}
.site-name{display:inline-flex;align-items:center;gap:12px;margin-right:auto;font-weight:900;font-size:30px;letter-spacing:-.02em;line-height:1;min-height:44px}
.site-name img{width:48px;height:48px;border-radius:50%;object-fit:cover;display:block}
.header-nav{display:flex;gap:30px;font-weight:500;font-size:16px}
.header-nav a{display:inline-flex;align-items:center;min-height:44px}

/* page head (article / list / fixed) */
.head{padding:44px 0 44px}
.crumb{font-size:14px;line-height:1.6;margin-bottom:20px;display:flex;flex-wrap:wrap;gap:2px 10px;align-items:center}
.crumb a{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.crumb .sep{opacity:.6}
.band-cream .crumb{color:var(--soft)}
.band-dark .crumb{color:var(--gray)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.chip{display:inline-flex;align-items:center;min-height:32px;padding:2px 16px;border-radius:999px;background:var(--ink);color:var(--cream);font-size:15px;font-weight:700;line-height:1.4}
.band-dark .chip{background:var(--cream);color:var(--ink)}
.h1{font-weight:900;font-size:clamp(32px,4.6vw,62px);line-height:1.3;letter-spacing:-.03em;max-width:1000px;text-wrap:balance}
.date{margin-top:18px;font-size:16px;color:var(--soft);font-weight:500}
.band-dark .date{color:var(--gray)}

/* article body */
.body{padding:56px 0 72px}
.prose{max-width:680px;margin-inline:auto;font-size:18px;line-height:1.9}
.prose>*+*{margin-top:0}
.prose p{margin:0 0 1.35em}
.prose h2{font-weight:900;font-size:clamp(26px,3.2vw,34px);line-height:1.45;letter-spacing:-.02em;margin:2.4em 0 .9em;padding-bottom:.4em;border-bottom:2px solid var(--fg);text-wrap:balance}
.prose h3{font-weight:900;font-size:clamp(21px,2.4vw,25px);line-height:1.5;letter-spacing:-.01em;margin:2em 0 .8em}
.prose h2:first-child,.prose h3:first-child{margin-top:0}
.prose strong,.prose b{font-weight:900}
.prose a{text-decoration:underline;text-decoration-color:var(--y);text-underline-offset:.2em;text-decoration-thickness:2px}
.prose mark,.prose .mark_yellow{background:none;color:inherit;font-weight:900;text-decoration:underline;text-decoration-color:var(--y);text-decoration-thickness:.16em;text-underline-offset:.22em;text-decoration-skip-ink:none}
.prose .has-swl-deep-01-color{color:inherit}
.prose .u-fz-l{font-size:1.22em;line-height:1.7}
.prose .u-fz-xl{font-size:1.45em;line-height:1.6}
.prose .u-fz-xs{font-size:.85em}
.prose .has-text-align-center{text-align:center}
.prose .has-text-align-right{text-align:right}
.prose ul{margin:0 0 1.5em;padding-left:1.3em;list-style:disc}
.prose ol{margin:0 0 1.5em;padding-left:1.5em;list-style:decimal}
.prose li{margin:.45em 0;padding-left:.2em}
.prose li::marker{color:var(--gray)}
.prose ul.is-style-check_list,.prose ul.has-background{background:var(--card);border-radius:16px;padding:1.1em 1.4em 1.1em 2.6em}
.prose p.has-border,.prose p.is-style-icon_announce,.prose .is-style-big_kakko_box,.prose .is-style-kakko_box{background:var(--card);border-radius:16px;padding:1.1em 1.4em}
.prose blockquote{background:var(--card);border-radius:16px;padding:1.1em 1.4em;margin:0 0 1.5em}
.prose blockquote p:last-child{margin-bottom:0}
.prose figure{margin:2em 0}
.prose img{display:block;border-radius:12px}
.prose table{width:100%;border-collapse:separate;border-spacing:0;margin:0 0 1.6em;font-size:16px;line-height:1.7;display:block;overflow-x:auto}
.prose th,.prose td{padding:.7em 1em;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.prose th{font-weight:900;background:var(--card)}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.prose .twitter-tweet{margin:0}
.prose .wp-block-embed__wrapper{background:var(--card);border-radius:16px;padding:1em 1.2em;overflow:hidden}
.prose .wp-block-embed__wrapper blockquote{background:none;padding:0;margin:0}

/* balloon */
.bln{display:flex;align-items:flex-start;gap:14px;margin:0 0 1.6em}
.bln.bln-left{flex-direction:row}
.bln.bln-right{flex-direction:row-reverse}
.bln-ic{flex:0 0 72px;text-align:center;font-size:12px;line-height:1.4;color:var(--gray)}
.bln-ic img{width:72px;height:72px;border-radius:50%;object-fit:cover;margin:0 auto 4px}
.bln-ic span{display:block}
.bln-tx{flex:1 1 auto;min-width:0;background:#3a352e;border-radius:20px;padding:1em 1.3em;line-height:1.95}
.bln-tx>p{margin:0}
.bln-tx>p+p{margin-top:1em}

/* steps */
.swell-block-step{counter-reset:st;margin:0 0 1.6em}
.swell-block-step__item{counter-increment:st;display:flex;align-items:center;gap:14px;background:var(--card);border-radius:16px;padding:14px 18px;margin:0 0 10px}
.swell-block-step__number{flex:0 0 auto;display:inline-flex;gap:6px;align-items:baseline;background:var(--cream);color:var(--ink);border-radius:999px;padding:2px 14px;font-weight:900;font-size:14px;line-height:1.7}
.swell-block-step__number .__label::after{content:" " counter(st)}
.swell-block-step__title{font-weight:900;font-size:1.05em;line-height:1.6}

/* toc */
.toc{background:var(--card);border-radius:16px;padding:20px 24px;margin:0 0 2.2em}
.toc-t{font-weight:900;font-size:20px;line-height:1.4;margin-bottom:8px}
.toc ol{list-style:decimal;margin:0;padding-left:1.4em;font-size:16px;line-height:1.7}
.toc li{margin:.4em 0;padding-left:.2em}
.toc a{text-decoration:none}
.toc a:hover{text-decoration:underline}

/* password form */
.post-password-form{background:var(--card);border-radius:16px;padding:22px 24px}
.post-password-form p{margin:0 0 1em}
.post-password-form p:last-child{margin-bottom:0}
.post-password-form input[type=password]{display:block;width:100%;max-width:340px;margin-top:8px;height:48px;border-radius:999px;border:1px solid var(--line);background:#2b2824;color:var(--fg);padding:0 20px;font:inherit}
.post-password-form input[type=submit]{height:48px;padding:0 28px;border:0;border-radius:999px;background:var(--cream);color:var(--ink);font:inherit;font-weight:700;cursor:pointer}

/* sitemap viewer */
.prose #intro{background:var(--card);border-radius:16px;padding:8px 20px;margin-bottom:1.6em;font-size:15px;line-height:1.8}
.prose #content table{font-size:14px}

/* related */
.related{padding:56px 0 64px}
.h2{font-weight:900;font-size:clamp(32px,3.6vw,52px);letter-spacing:-.03em;line-height:1.3}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px}
.rel{display:flex;flex-direction:column;gap:12px}
.rel-box{display:flex;align-items:flex-end;min-height:156px;padding:20px 22px;border-radius:16px;background:var(--ink);color:var(--cream);font-weight:900;font-size:clamp(28px,2.8vw,38px);line-height:1.25;letter-spacing:-.03em}
.rel-t{font-weight:700;font-size:18px;line-height:1.55}

/* lists */
.term-nav{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.term-nav .chip{background:transparent;color:var(--fg);border:1px solid var(--line)}
.term-nav .chip.cur{background:var(--cream);color:var(--ink);border-color:var(--cream)}
.list{padding:24px 0 64px}
.rows{display:grid;grid-template-columns:1fr 1fr;column-gap:40px}
.row{display:grid;grid-template-columns:168px 1fr;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--linec)}
.row-box{display:flex;align-items:flex-end;min-height:104px;padding:14px 16px;border-radius:14px;background:var(--ink);color:var(--cream);font-weight:900;font-size:26px;line-height:1.25;letter-spacing:-.03em}
.row-t{font-weight:900;font-size:clamp(19px,1.9vw,24px);line-height:1.5;letter-spacing:-.01em}
.row-d{display:block;margin-top:6px;font-size:14px;color:var(--soft);font-weight:500}
.empty-note{padding:12px 0;font-size:17px}
.pager{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px}
.pager a,.pager span{display:inline-flex;align-items:center;justify-content:center;min-width:48px;height:48px;padding:0 14px;border-radius:12px;font-weight:700;border:1px solid var(--linec)}
.pager .cur{background:var(--ink);color:var(--cream);border-color:var(--ink)}
.pager .dots{border:0;min-width:0}

/* top */
.hero{padding:28px 0;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:60% 1fr;align-items:center}
.hero-text{min-width:0}
/* 4行(行の中は意味の切れ目)。1168px幅で60px、狭いと比例して縮む */
.hero-title{font-weight:900;font-size:calc((min(100vw,1168px) - 48px) * .0536);line-height:1.25;letter-spacing:-.04em}
.hero-title .ln{display:block}
.hero-title .ch{display:inline-block;white-space:nowrap}
.hero-title .d{font-family:var(--num);font-weight:400;font-size:1.45em;line-height:.9;letter-spacing:0;margin-right:.03em}
.hero-lead{margin-top:24px;font-size:19px;line-height:1.7;color:var(--fg)}
.hero-char{display:block;width:100%;max-width:330px;height:auto;justify-self:end}
.block{padding:64px 0 72px}
.schedule{display:grid;grid-template-columns:1fr 1fr;column-gap:40px;margin-top:28px}
.schedule li{display:flex;align-items:center;gap:20px;padding:18px 0;border-bottom:1px solid var(--line);font-weight:700;font-size:21px;line-height:1.55}
.schedule .no{flex:0 0 auto;font-family:var(--num);font-size:56px;line-height:1;color:var(--gray);min-width:2.2ch;letter-spacing:0}
.h2-row{display:flex;justify-content:space-between;align-items:flex-end;gap:16px}
.all-link{font-size:15px;text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:1px;min-height:44px;display:inline-flex;align-items:center}
.latest{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:28px}
.feature{display:flex;flex-direction:column;justify-content:flex-end;gap:18px;background:var(--ink);color:var(--cream);padding:36px;min-height:300px;border-radius:20px}
.feature-cat{font-weight:500;font-size:18px}
.feature-title{font-weight:900;font-size:clamp(30px,3.4vw,48px);line-height:1.35;letter-spacing:-.03em}
.latest-list{display:flex;flex-direction:column}
.latest-list li{flex:1 1 auto;display:flex;border-bottom:1px solid var(--linec)}
.latest-list li:first-child{border-top:1px solid var(--linec)}
.latest-list a{display:flex;flex-direction:column;justify-content:center;flex:1;padding:14px 0 16px;min-height:44px}
.latest-list .cat{font-size:15px;color:var(--soft);line-height:1.5}
.latest-list .t{font-weight:900;font-size:21px;line-height:1.5}
.cats{display:grid;grid-template-columns:1fr 1fr;column-gap:40px;margin-top:24px}
.cats li{border-bottom:1px solid var(--line)}
.cats a{display:flex;justify-content:space-between;align-items:center;min-height:72px;font-weight:900;font-size:27px}
.cats .arrow{font-weight:400;font-size:20px;color:var(--gray)}
.profile-in{display:grid;grid-template-columns:140px 1fr;gap:32px;align-items:start;margin-top:24px}
.profile-in img{width:140px;height:140px;border-radius:50%;object-fit:cover}
.profile-in p{font-size:19px;line-height:2;margin-bottom:8px}

/* footer */
.site-footer{padding:56px 0 48px;border-top:1px solid var(--line)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:24px;align-items:start}
.footer-name{display:inline-flex;align-items:center;gap:12px;font-weight:900;font-size:34px;letter-spacing:-.03em;line-height:1.2}
.footer-name img{width:52px;height:52px;border-radius:50%;object-fit:cover}
.footer-col a{display:inline-flex;align-items:center;min-height:44px;font-size:17px}
.footer-note{margin-top:40px;font-size:14px;color:var(--gray)}

@media (max-width:900px){
  .rows{grid-template-columns:1fr}
  .latest,.schedule,.cats{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .hero-grid{grid-template-columns:minmax(0,1fr) 34%;column-gap:12px;grid-template-rows:auto 1fr;align-items:center}
  .hero-text{display:contents}
  .hero-title{grid-column:1/-1;font-size:calc((100vw - 48px) * .058)}
  .hero-lead{grid-column:1;grid-row:2;align-self:center;font-size:17px;margin-top:20px}
  .hero-char{grid-column:2;grid-row:2}
    .footer-top{grid-template-columns:1fr 1fr;row-gap:12px}
  .footer-name{grid-column:1/-1}
  .footer-col:last-child{grid-column:1/-1}
  .header-nav{gap:20px}
}
@media (max-width:640px){
  body{font-size:15px}
  .wrap{padding-inline:16px}
  .header-in{gap:10px;min-height:68px}
  .site-name{font-size:23px;gap:9px}
  .site-name img{width:40px;height:40px}
  .header-nav{gap:14px;font-size:14px}
  .head{padding:30px 0 32px}
  .h1{font-size:32px}
  .body{padding:36px 0 52px}
  .prose{font-size:16px;line-height:1.9}
  .bln-ic{flex-basis:56px}
  .bln-ic img{width:56px;height:56px}
  .bln{gap:10px}
  .bln-tx{padding:.9em 1.05em}
  .swell-block-step__item{flex-wrap:wrap;gap:8px}
  .related{padding:40px 0 48px}
  .rel-box{min-height:112px}
  .row{grid-template-columns:116px 1fr;gap:14px;padding:16px 0}
  .row-box{min-height:84px;font-size:19px;padding:10px 12px}
  .row-t{font-size:17px}
  .hero{padding:28px 0 16px}
  .hero-title{font-size:min(9.2vw,44px);line-height:1.22}
  .hero-lead{font-size:16px;margin-top:20px;align-self:start}
  .hero-char{align-self:start;margin-top:8px}
  .block{padding:44px 0 52px}
  .h2{font-size:30px}
  .schedule li{font-size:16px;padding:14px 0;gap:14px}
  .schedule .no{font-size:44px}
  .feature{padding:24px 20px;min-height:0;border-radius:16px}
  .feature-title{font-size:28px}
  .latest-list .t{font-size:18px}
  .cats a{font-size:21px;min-height:58px}
  .profile-in{grid-template-columns:88px 1fr;gap:16px}
  .profile-in img{width:88px;height:88px}
  .profile-in p{font-size:16px}
      .site-footer{padding:40px 0 36px}
}

/* light body */
.band-paper{background:#fbf9f4;color:var(--ink);--fg:#12100d;--gray:#6b655c;--card:#f0eadf;--line:rgba(18,16,13,.22)}
.band-paper .bln-tx{background:#efe7d8}
.band-paper .prose mark,.band-paper .prose .mark_yellow{text-decoration:none;background:linear-gradient(transparent 55%,rgba(246,194,26,.75) 55%)}
.band-paper .prose a{color:var(--ink);text-decoration-color:var(--y)}
.band-paper .swell-block-step__number{background:var(--ink);color:var(--cream)}
.band-paper .post-password-form input[type=password]{background:#fff;color:var(--ink);border-color:rgba(18,16,13,.4)}
.band-paper .post-password-form input[type=submit]{background:var(--ink);color:var(--cream)}
.band-paper .prose th{background:#efe7d8}

/* steps band */
.steps-band{padding:56px 0 0;overflow:hidden}
.steps{list-style:none;display:grid;grid-template-columns:1fr 1.1fr 1.3fr 1.6fr 2fr;column-gap:12px;align-items:end;max-width:1360px;margin-inline:auto;padding-inline:24px}
.steps li{display:flex;flex-direction:column;justify-content:flex-end;color:var(--fg);min-width:0}
.steps .lb{font-size:17px;font-weight:500;line-height:1.55;color:var(--fg);margin-bottom:10px}
.steps .v{font-weight:900;line-height:1.1;letter-spacing:-.04em;white-space:nowrap;margin-bottom:16px}
.steps .v i{font-style:normal;font-size:.55em;letter-spacing:0}
.steps .bar{display:block;background:#3a352e}
.steps .s1 .v{font-size:3.9vw}.steps .s1 .bar{height:28px}
.steps .s2 .v{font-size:4vw}.steps .s2 .bar{height:60px}
.steps .s3 .v{font-size:4.6vw}.steps .s3 .bar{height:92px}
.steps .s4 .v{font-size:4.9vw}.steps .s4 .bar{height:124px}
.steps .s5 .v{font-size:6vw;color:var(--y)}.steps .s5 .bar{height:156px;background:var(--y)}
@media (min-width:1500px){.steps .s1 .v{font-size:56px}.steps .s2 .v{font-size:58px}.steps .s3 .v{font-size:66px}.steps .s4 .v{font-size:70px}.steps .s5 .v{font-size:86px}}
@media (max-width:900px){
  .steps-band{padding:40px 0}
  .steps{grid-template-columns:1fr;row-gap:30px;padding-inline:16px}
  .steps .v{margin-bottom:10px}
  .steps .bar{height:12px!important}
  .steps .s1 .bar{width:20%}.steps .s2 .bar{width:40%}.steps .s3 .bar{width:60%}.steps .s4 .bar{width:80%}.steps .s5 .bar{width:100%}
  .steps .s1 .v{font-size:11vw}.steps .s2 .v{font-size:12vw}.steps .s3 .v{font-size:14vw}.steps .s4 .v{font-size:16vw}.steps .s5 .v{font-size:18vw}
}
@media (min-width:641px) and (max-width:900px){.steps .s1 .v{font-size:60px}.steps .s2 .v{font-size:68px}.steps .s3 .v{font-size:80px}.steps .s4 .v{font-size:92px}.steps .s5 .v{font-size:104px}}

/* signup */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:56px;padding:0 30px;border:0;border-radius:999px;background:var(--y);color:#000;font-family:var(--font);font-weight:700;font-size:17px;cursor:pointer;white-space:nowrap}
.btn-small{min-height:44px;padding:0 22px;font-size:15px}
.header-nav .btn-small{margin-left:6px}
.signup{display:flex;gap:12px;align-items:center;max-width:720px;margin-inline:auto}
.signup input{flex:1;min-width:0;min-height:60px;padding:0 28px;border:1px solid var(--cream);border-radius:999px;background:#ffffff;color:#12100d;font-family:var(--font);font-size:18px}
.signup input::placeholder{color:#8a857c;opacity:1}
.signup-band{padding:88px 0 96px;border-top:1px solid var(--line);text-align:center}
.sb-wrap{max-width:840px}
.sb-box{max-width:720px;margin-inline:auto}
.sb-icon{display:block;width:72px;height:72px;border-radius:50%;margin:0 auto 20px;object-fit:cover}
.sb-chip{margin-bottom:24px}
.sb-title{font-weight:900;font-size:clamp(32px,calc((100vw - 48px)/10),56px);line-height:1;letter-spacing:-.03em;margin-bottom:28px}
.sb-points{margin:0 0 28px;padding:22px 28px;border-radius:20px;background:var(--card);text-align:left;display:flex;flex-direction:column;gap:12px}
.sb-points li{display:flex;gap:12px;align-items:flex-start;font-weight:700;font-size:18px;line-height:1.6}
.sb-points .lk{flex:0 0 auto}
.sb-points li span:last-child,.sb-line{text-wrap:balance}
.sb-note{margin-top:16px;font-size:14px;line-height:1.6;color:var(--gray)}
.signup .arr{margin-left:.5em}
.signup .btn{min-height:60px;font-size:18px;padding:0 34px}
.sb-line{font-size:19px;color:var(--gray);line-height:1.8;margin-bottom:28px}
.signup-band .signup{margin-top:0}
@media (max-width:640px){
  .signup{flex-direction:column;align-items:stretch;gap:12px}
  .signup input,.signup .btn{min-height:58px;font-size:17px}
  .signup-band{padding:56px 0 64px}
  .sb-line{font-size:16px;margin-bottom:22px}
  .sb-points{padding:18px 18px;margin-bottom:22px}
  .sb-points li{font-size:16px;gap:10px}
  .header-nav a:not(.btn){display:none}
  .header-nav .btn-small{margin-left:0;min-height:40px;padding:0 16px;font-size:14px}
}

.sb-title .ln{display:flex;flex-wrap:wrap;justify-content:center;row-gap:.26em;line-height:1}
.sb-title .ln+.ln{margin-top:.26em}
.sb-title .ln+.ln:has(.n){margin-top:.46em}
.sb-title .ph{display:inline-block}
.sb-title .big{padding:0 .04em;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.band-cream .sb-title .big{background:linear-gradient(transparent 56%,var(--y) 56%,var(--y) 92%,transparent 92%)}
.band-dark .sb-title .big{color:var(--y)}

.hero+.signup-band{padding-top:44px;border-top:0}
@media (max-width:640px){.hero+.signup-band{padding-top:40px}}

/* openchat */
.oc-band{padding:72px 0 80px;border-top:1px solid var(--line)}
.oc-banner{display:block;width:100%;height:auto;border-radius:20px;margin-bottom:48px}
.oc-cards{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.oc-banner+.h2{margin-top:0}
.oc-card{display:flex;flex-direction:column;background:#211e19;border-radius:20px;padding:32px 28px}
.oc-name{font-weight:900;font-size:26px;line-height:1.35;letter-spacing:-.02em}
.oc-card .oc-name{margin-bottom:20px}
.oc-list{list-style:disc;padding-left:1.2em;margin:0 0 16px;font-size:16px;line-height:1.8}
.oc-list li{margin:0 0 8px}
.oc-list li::marker{color:var(--gray)}
.oc-after{font-size:16px;line-height:1.8;color:var(--gray);margin:0 0 28px}
.oc-card .btn{margin-top:auto;width:100%}
.oc-compact{padding:40px 0 48px}
.oc-h{font-weight:900;font-size:22px;margin-bottom:20px}
.oc-minis{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.oc-mini{display:flex;flex-direction:column;gap:14px;background:#211e19;border-radius:16px;padding:20px 22px}
.oc-mini .oc-name{font-size:18px}
.oc-mini .btn{min-height:44px;font-size:15px;margin-top:auto}
@media (max-width:900px){.oc-cards,.oc-minis{grid-template-columns:1fr}}
@media (max-width:640px){.oc-band{padding:48px 0 56px}.oc-banner{display:none}.oc-card{padding:26px 22px}.oc-name{font-size:23px}}
.oc-card .oc-name{font-size:23px;text-wrap:balance}

/* alternating bands */
.band-cream{--fg:#12100d;--gray:#5f5a52;--line:rgba(18,16,13,.28)}
.band-cream .signup input{background:#fff;border:1px solid rgba(18,16,13,.55);color:var(--ink)}
.band-cream .signup input::placeholder{color:#6b655c}
.band-cream .sb-line{color:#3d3932}
.band-cream .sb-points{background:var(--cardc)}
.band-cream .sb-note{color:#5f5a52}
.signup-band.band-cream,.oc-band.band-cream{border-top:0}
.oc-band.band-cream .oc-card{background:var(--ink);color:var(--cream)}
.oc-band.band-cream .oc-list li::marker{color:#a19d96}
.oc-band.band-cream .oc-after{color:#c9c4ba}
.oc-band.band-cream .oc-card .btn{background:var(--y);color:#000}
.band-dark .latest-list li{border-color:var(--line)}
.band-dark .latest-list .cat{color:var(--gray)}
.band-dark .feature{background:var(--cream);color:var(--ink)}
.band-cream .cats li{border-color:rgba(18,16,13,.28)}

/* 登録の帯を出さない時: 隣の帯との境の線を消す */
.oc-band.no-bt{border-top:0}

/* 下の帯: クリーム地のオープンチャット（小） */
.oc-compact.band-cream .oc-mini{background:var(--ink);color:var(--cream)}
.oc-compact.band-cream .oc-mini .btn{background:var(--y);color:#000}

/* 最初の画面（登録の場所） */
.fv{position:relative;overflow:hidden}
.fv-art{position:relative;margin:0 calc(50% - 50vw) 8px}
.fv-art img{display:block;width:100%;height:auto;aspect-ratio:900/660;object-fit:cover;object-position:top;mix-blend-mode:lighten}
.fv-art::after{content:"";position:absolute;left:0;right:0;bottom:0;height:24px;background:linear-gradient(to bottom,rgba(18,16,13,0),#12100d)}
.fv-wrap{position:relative;padding-top:14px;padding-bottom:32px}
.fv-char{display:none}
.fv-chip,.band-dark .fv-chip{display:inline-flex;background:var(--y);color:#000;margin-bottom:8px}
.fv-title{font-weight:900;font-size:clamp(34px,11.7vw,60px);line-height:1;letter-spacing:-.03em;color:var(--fg);margin:0}
.fv-title .ln{display:block;white-space:nowrap;line-height:1}
.fv-title .ln+.ln{margin-top:.18em}
.fv-title .ln:nth-child(2){margin-top:.38em}
.fv-title .big{color:var(--y)}
/* 題のメリハリ: 漢字k=大 / ひらがな・、。h=小 / 数字n=特大(Anton) / 億・万円u=中。同じ決まりを帯の題にも使う */
.fv-title .k,.sb-title .k{font-size:1em}
.fv-title .h,.sb-title .h{font-size:.6em;letter-spacing:-.05em}
.fv-title .n,.sb-title .n{font-family:var(--num);font-weight:400;font-size:1.5em;letter-spacing:0;line-height:.74;margin-right:.04em}
.fv-title .u,.sb-title .u{font-size:.9em}
.fv-lead{font-size:16.5px;font-weight:700;line-height:1.6;text-align:left;text-wrap:balance;margin:10px 0 6px;color:var(--fg)}
.fv .signup{flex-direction:column;align-items:stretch;gap:12px;max-width:none;margin:0}
.fv .signup input,.fv .signup .btn{min-height:58px;font-size:17px;width:100%}
.fv .btn{font-size:19px;font-weight:900}
.fv .sb-note{text-align:center;margin-top:12px}
.fv-points{display:flex;flex-direction:column;width:fit-content;max-width:100%;gap:6px;margin:0 0 12px;padding:10px 14px;border:1px solid rgba(246,194,26,.5);border-radius:14px}
.fv-points li{display:flex;gap:10px;align-items:center;font-weight:900;font-size:min(16.5px,4.1vw);line-height:1.45;white-space:nowrap}
.lk{flex:0 0 auto;display:inline-flex}
.lk svg{display:block;width:1.05em;height:1.18em}
.y{color:var(--y)}
.band-cream .sb-points .y{color:inherit}
.fv-points .lk{flex:0 0 auto}
.profile-in{margin-top:20px}
.prof-lead{margin-top:20px;font-weight:900;font-size:20px;line-height:1.5;letter-spacing:-.02em;text-wrap:balance}
.signup-band.no-bt{border-top:0}
@media (min-width:768px){
  .fv-art{display:none}
  .fv-wrap{padding-top:30px;padding-bottom:0;min-height:600px;z-index:auto}
  .fv-main{position:relative;z-index:2;max-width:min(560px,56vw);padding-bottom:36px}
  .band-dark .fv-chip{background:var(--y);color:#000}
  .fv-chip{margin-bottom:14px}
  .fv-title{font-size:clamp(44px,5.8vw,96px);margin:0 0 24px}
  .fv-lead{font-size:20px;line-height:1.6;margin:0 0 16px}
  .fv .signup{flex-direction:row;align-items:center}
  .fv .signup input{flex:1;width:auto;min-height:60px;font-size:17px}
  .fv .signup .btn{width:auto;min-height:60px;font-size:18px;padding:0 28px}
  .fv .sb-note{text-align:left;margin-top:12px}
  .fv-points{gap:8px;margin:0 0 18px;padding:14px 18px;width:fit-content}
  .fv-points li{font-size:clamp(15px,2.05vw,21px)}
  .fv-char{display:block;position:absolute;z-index:1;right:0;bottom:0;width:min(600px,44vw);aspect-ratio:1/1;mix-blend-mode:lighten}
  .fv-char img{display:block;width:100%;height:100%}
}
@media (min-width:768px) and (max-width:1100px){.fv-main{max-width:min(560px,52vw)}}
@media (min-width:768px){.prof-lead{font-size:28px}}