:root{
    --sumi:#0f2f52;
    --sumi-60:rgba(15,47,82,.78);
    --paper:#ffffff;
    --line:rgba(15,47,82,.14);
    --orange:#f0431f;
    --mincho:"Noto Sans JP","Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
    --gothic:"Noto Sans JP","Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
  body{background:var(--paper);color:var(--sumi);font-family:var(--gothic);font-weight:400;font-size:16px;line-height:1.9;letter-spacing:.02em;-webkit-font-smoothing:auto}
  a{color:inherit;text-decoration:none}
  a:focus-visible{outline:2px solid var(--sumi);outline-offset:4px}
  .wrap{width:min(960px,calc(100% - 48px));margin:0 auto}

  /* brand and language, over the photo */
  header{position:absolute;inset:0 0 auto 0;z-index:5;padding:28px 0}
  header .wrap{display:flex;justify-content:space-between;align-items:baseline;width:min(1280px,calc(100% - 48px))}
  .brand img{height:44px;width:auto;display:block}
  .lang{font-size:12px;letter-spacing:.16em;color:var(--sumi-60)}
  .lang a + a{margin-left:18px}

  /* hero: one photo, one sentence */
  .hero{position:relative;background:#fff;padding-top:96px}
  .hero img{display:block;width:100%;height:auto}
  .herotext{position:absolute;left:0;right:0;top:96px;padding-top:3.5%;pointer-events:none}
  .herotext .wrap{width:min(1280px,calc(100% - 48px));margin:0 auto}
  .herobox{display:inline-block;text-align:left;background:rgba(255,255,255,.82);padding:22px 28px 24px;border-left:4px solid var(--orange);backdrop-filter:blur(2px)}
  .herobox h1{font-weight:700;font-size:clamp(22px,2.6vw,40px);line-height:1.35;letter-spacing:.04em;color:var(--sumi)}
  .herobox p{margin-top:.9em;font-size:clamp(12.5px,1vw,15.5px);line-height:1.85;color:var(--sumi)}
  @media (max-width:720px){
    .hero{padding-top:72px}
    .herotext{top:72px;padding-top:12px}
    .herotext .wrap{width:calc(100% - 32px)}
    .herobox{display:block;padding:14px 16px 16px}
    .herobox h1{font-size:21px}
    .herobox p{font-size:12.5px;line-height:1.75}
  }


  /* menu bar, sticks */
  .menubar{position:sticky;top:0;z-index:10;background:var(--paper);border-bottom:1px solid var(--line)}
  .menubar ul{list-style:none;display:flex;justify-content:center;gap:clamp(28px,6vw,96px);padding:26px 24px;overflow-x:auto;white-space:nowrap}
  .menubar a{font-family:var(--mincho);font-weight:500;font-size:16px;letter-spacing:.1em;padding:4px 0;border-bottom:2px solid transparent}
  .menubar a:hover{border-bottom-color:var(--orange)}
  @media (max-width:720px){.menubar ul{justify-content:flex-start;gap:28px;padding:18px 20px}.menubar a{font-size:15px}}

  /* news: latest four */
  .news{display:grid;grid-template-columns:11em 1fr;gap:24px;align-items:start}
  .news h2{font-size:19px;padding-top:6px}
  .news ul{list-style:none;border-top:1px solid var(--line)}
  .news li{display:grid;grid-template-columns:7em 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15.5px}
  .news time{color:var(--orange);letter-spacing:.06em;font-weight:500}
  .news li a:hover{text-decoration:underline;text-underline-offset:4px}
  .news .more{grid-column:2;justify-self:end;margin-top:14px;font-size:13px;letter-spacing:.12em;border-bottom:1px solid var(--orange)}
  @media (max-width:720px){.news{grid-template-columns:1fr;gap:12px}.news .more{grid-column:1}}

  /* business: quiet list, text only */
  section{padding:140px 0}
  @media (max-width:720px){section{padding:88px 0}}
  h2,.page h1{font-family:var(--mincho);font-weight:700;font-size:clamp(22px,2.4vw,28px);letter-spacing:.08em;line-height:1.4}
  #partners h2{font-size:17px;font-weight:500;color:var(--sumi-60)}
  #partners{padding-top:0;padding-bottom:110px}
  .biz{margin-top:64px;border-top:1px solid var(--line)}
  .biz > div{display:grid;grid-template-columns:11em 1fr;gap:24px;padding:36px 0;border-bottom:1px solid var(--line)}
  .biz h3{font-family:var(--mincho);font-weight:700;font-size:19px;letter-spacing:.06em;line-height:1.6;padding-left:14px;border-left:3px solid var(--orange)}
  .biz p{font-size:15px;max-width:34em}
  @media (max-width:720px){.biz > div{grid-template-columns:1fr;gap:8px;padding:28px 0}}


  .wrap.wide{width:min(1120px,calc(100% - 48px))}
  .lead{margin-top:24px;max-width:36em;font-size:16.5px}
  .cards{margin-top:56px;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
  .card{background:#f5f8fc;padding:36px 32px 32px;border-top:4px solid var(--orange)}
  .card svg{width:56px;height:56px}
  .card h3{margin-top:20px;font-weight:700;font-size:19px;letter-spacing:.06em}
  .card p{margin-top:12px;font-size:15.5px}
  .card ul{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);list-style:none;font-size:14.5px;color:var(--sumi)}
  .card li{padding:3px 0}
  .card li::before{content:"";display:inline-block;width:6px;height:6px;background:var(--orange);margin-right:10px;vertical-align:middle}
  .flow{margin-top:56px;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px 0;font-weight:500;font-size:14px;letter-spacing:.06em}
  .flow span{padding:10px 18px;border:1.5px solid var(--sumi);border-radius:999px}
  .flow i{width:34px;height:2px;background:var(--orange);position:relative}
  .flow i::after{content:"";position:absolute;right:-1px;top:-4px;border:5px solid transparent;border-left:8px solid var(--orange)}
  @media (max-width:880px){.cards{grid-template-columns:1fr}.flow{flex-direction:column}.flow i{width:2px;height:22px}.flow i::after{right:-4px;top:auto;bottom:-1px;border:5px solid transparent;border-top:8px solid var(--orange)}}
  #partners{padding-top:0}
  .pnames{margin-top:28px;font-size:15.5px;max-width:44em;line-height:2.1}
  .plist{margin-top:32px;display:grid;grid-template-columns:13em 1fr;max-width:760px;font-size:14px}
  .plist dt,.plist dd{padding:12px 0;border-top:1px solid var(--line)}
  .plist dt{color:var(--sumi-60);letter-spacing:.08em}
  .note{margin-top:20px;font-size:13.5px;color:var(--sumi-60)}

  /* company */
  .company{background:var(--sumi);color:var(--paper)}
  .company h2{color:var(--paper)}
  .company dl{margin-top:56px;display:grid;grid-template-columns:8em 1fr;max-width:640px}
  .company dt,.company dd{padding:16px 0;border-top:1px solid rgba(251,250,247,.16);font-size:14.5px}
  .company dt{color:rgba(251,250,247,.55);letter-spacing:.12em}
  .motto{margin-top:80px;font-family:var(--mincho)}
  .motto .t{font-size:13px;letter-spacing:.24em;color:rgba(251,250,247,.55)}
  .motto .ja{margin-top:12px;font-size:18px;letter-spacing:.1em;line-height:1.8;font-weight:500}
  .motto .zh{margin-top:6px;font-size:12px;letter-spacing:.26em;color:rgba(251,250,247,.5)}

  footer{padding:44px 0 52px;font-size:12px;letter-spacing:.1em;color:var(--sumi-60)}
  footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

  /* inner pages */
  .page{padding:120px 0 140px}
  .page h1{padding-bottom:20px;border-bottom:2px solid var(--orange);display:inline-block}
  .cotable{margin-top:48px;display:grid;grid-template-columns:9em 1fr;max-width:680px}
  .cotable dt,.cotable dd{padding:16px 0;border-bottom:1px solid var(--line);font-size:16px}
  .cotable dt{color:var(--sumi-60);letter-spacing:.12em}
  .page .motto{margin-top:72px;max-width:680px;padding:32px 36px;background:#f5f8fc;border-left:4px solid var(--orange)}
  .page .motto .t{font-size:13px;letter-spacing:.24em;color:var(--sumi-60)}
  .page .motto .ja{margin-top:10px;font-size:18px;font-weight:500;letter-spacing:.1em;line-height:1.9}
  .page .motto .zh{margin-top:10px;font-size:12px;letter-spacing:.26em;color:var(--sumi-60);line-height:2}
  @media (max-width:560px){.cotable{grid-template-columns:1fr}.cotable dt{padding-bottom:0;border:0}}
  .spacer{height:110px}
  body:not(.top) header .lang{color:var(--sumi-60)}

  /* business list page */
  .bizsec{margin-top:88px;padding:64px 0;background:#f7f9fc}
  .bizsec.rev{background:#fff}
  .bizgrid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
  .bizsec.rev .bizimg{order:2}
  .bizimg{margin:0}
  .bizimg img{width:100%;height:auto;display:block}
  .num{font-weight:700;font-size:13px;letter-spacing:.3em;color:var(--orange)}
  .biztext h3{margin-top:6px;font-weight:700;font-size:26px;letter-spacing:.06em;line-height:1.5}
  .biztext .for{margin-top:14px;font-weight:500;font-size:14.5px;padding-left:12px;border-left:3px solid var(--orange)}
  .biztext .detail{margin-top:18px;font-size:16px}
  .steps{margin-top:22px;padding:0;list-style:none;counter-reset:s;display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}
  .steps li{counter-increment:s;font-size:15px;padding:8px 0;border-top:1px solid var(--line)}
  .steps li::before{content:counter(s,decimal-leading-zero);font-weight:700;color:var(--orange);margin-right:12px;font-size:12px;letter-spacing:.1em}
  .biztext .sub{display:inline-block;margin-top:24px;font-weight:500;font-size:14px;letter-spacing:.08em;border-bottom:1.5px solid var(--orange);padding-bottom:2px}
  .page .flow{margin-top:96px}
  @media (max-width:820px){.bizgrid{grid-template-columns:1fr;gap:28px}.bizsec.rev .bizimg{order:0}.steps{grid-template-columns:1fr}}
  .page .tel{margin-top:32px;font-weight:700;font-size:clamp(28px,4vw,40px);letter-spacing:.06em}
  .page .note{margin-top:16px;font-size:14px;color:var(--sumi-60)}
  /* contact form */
  .cform{margin-top:40px;max-width:680px}
  .cform label{display:block;margin-top:20px;font-size:14.5px;font-weight:700;letter-spacing:.06em}
  .cform label em{font-style:normal;color:var(--orange);font-size:11px;margin-left:8px}
  .cform input,.cform select,.cform textarea{display:block;width:100%;box-sizing:border-box;margin-top:6px;padding:12px 14px;border:1.5px solid rgba(15,47,82,.5);border-radius:2px;font:inherit;font-size:15px;background:#fff}
  .cform input:focus,.cform select:focus,.cform textarea:focus{outline:2px solid var(--orange);outline-offset:0;border-color:transparent}
  .cform .two{display:grid;grid-template-columns:1fr 1fr;gap:20px}
  .cform .hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
  .cform button{margin-top:32px;background:var(--orange);color:#fff;border:0;padding:16px 48px;font-size:15px;font-weight:700;letter-spacing:.1em;cursor:pointer;border-radius:2px}
  .cform button:hover{background:#d63a19}
  .ferr{margin-top:6px;font-size:12.5px;color:#c0392b}
  .done{margin-top:40px;max-width:680px;padding:24px 28px;background:#f5f8fc;border-left:4px solid var(--orange);font-weight:500}
  .err{margin-top:24px;max-width:680px;padding:14px 18px;background:#fdf1ee;border-left:4px solid #c0392b;font-size:14px}
  @media (max-width:600px){.cform .two{grid-template-columns:1fr;gap:0}}
  /* tea page */
  .tea{padding-bottom:0}
  .tea .kicker{font-size:12px;letter-spacing:.3em;color:var(--orange);font-weight:700}
  .tea h1.teah{margin-top:10px;font-size:clamp(26px,3.4vw,40px);border:0;padding:0;display:block;line-height:1.4}
  .tea .cta{display:inline-block;margin-top:28px;background:var(--orange);color:#fff;padding:14px 32px;font-weight:700;letter-spacing:.08em;font-size:14px;border-radius:2px}
  .teaband{margin:64px 0 0;position:relative;overflow:hidden}
  .teaband img{display:block;width:100%;height:min(56vh,520px);object-fit:cover}
  .teaband.wide2{margin:0}
  .photos{margin-top:36px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .photos figure{margin:0}
  .photos img{width:100%;height:auto;display:block;aspect-ratio:4/3;object-fit:cover}
  .photos figcaption{margin-top:10px;font-size:14px;color:var(--sumi);line-height:1.7}
  @media (max-width:880px){.photos{grid-template-columns:1fr}}
  .tsec{padding:88px 0}
  .tband{background:#f5f8fc}
  .th{font-weight:700;font-size:clamp(20px,2.4vw,26px);letter-spacing:.06em;line-height:1.5}
  .tlead{margin-top:16px;max-width:38em;font-size:16.5px}
  .tclose{margin-top:32px;font-weight:500;font-size:15.5px;padding-left:14px;border-left:3px solid var(--orange)}
  .qs{margin-top:28px;padding:0;list-style:none;counter-reset:q;max-width:40em}
  .qs li{counter-increment:q;padding:14px 0 14px 44px;border-top:1px solid var(--line);position:relative;font-size:16.5px;font-weight:500}
  .qs li:last-child{border-bottom:1px solid var(--line)}
  .qs li::before{content:"Q" counter(q);position:absolute;left:0;top:14px;font-weight:700;color:var(--orange);font-size:12px;letter-spacing:.1em}
  .tri,.quad{margin-top:36px;display:grid;gap:28px}
  .tri{grid-template-columns:repeat(3,1fr)}
  .quad{grid-template-columns:repeat(2,1fr)}
  .tri > div,.quad > div{background:#fff;padding:28px 28px 26px;border:1px solid var(--line)}
  .tband .tri > div,.tband .quad > div{border:0}
  .tri h4,.quad h4,.proc h4{font-weight:700;font-size:17px;letter-spacing:.04em}
  .tri p,.quad p,.proc p{margin-top:10px;font-size:15.5px}
  .ttcgrid{margin-top:36px;display:grid;grid-template-columns:minmax(260px,380px) 1fr;gap:48px;align-items:start}
  .ttcimg{margin:0}
  .ttcimg img{width:100%;height:auto;border:1px solid var(--line);box-shadow:0 8px 24px rgba(15,47,82,.08)}
  .ttcimg figcaption{margin-top:10px;font-size:12px;color:var(--sumi-60);letter-spacing:.06em}
  .ttcl dt{margin-top:22px;font-weight:700;font-size:16px}
  .ttcl dt span{display:inline-block;width:24px;height:24px;line-height:24px;text-align:center;background:var(--sumi);color:#fff;font-size:12px;border-radius:50%;margin-right:10px}
  .ttcl dd{margin-top:6px;padding-left:34px;font-size:15.5px}
  .ttcl dt:first-child{margin-top:0}
  .proc{margin-top:36px;padding:0;list-style:none;counter-reset:p;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
  .proc.three{grid-template-columns:repeat(3,1fr)}
  .proc li{counter-increment:p;background:#fff;padding:28px 24px 24px;position:relative}
  .proc li::before{content:counter(p,decimal-leading-zero);display:block;font-weight:700;color:var(--orange);font-size:13px;letter-spacing:.2em;margin-bottom:10px}
  .lineup{margin-top:32px;display:grid;grid-template-columns:11em 1fr;max-width:760px;font-size:15.5px}
  .lineup dt,.lineup dd{padding:14px 0;border-top:1px solid var(--line)}
  .lineup dt{font-weight:700}
  .regions{margin-top:36px;display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
  .regions article{background:#fff;padding:28px 28px 26px}
  .regions .pref{font-size:12px;letter-spacing:.2em;color:var(--sumi-60)}
  .regions h4{margin-top:4px;font-weight:700;font-size:20px;letter-spacing:.04em}
  .regions .rt{margin-top:10px;font-weight:500;font-size:14.5px}
  .regions .rd{margin-top:10px;font-size:15px;color:var(--sumi)}
  .offer{padding-bottom:140px}
  @media (max-width:880px){.tri,.quad,.regions{grid-template-columns:1fr}.proc,.proc.three{grid-template-columns:1fr}.ttcgrid{grid-template-columns:1fr}.lineup{grid-template-columns:1fr}.lineup dt{border:0;padding-bottom:0}}
  .ttcimg figcaption a{color:var(--sumi);border-bottom:1px solid var(--orange);font-weight:500}
  .stepsimg{margin:32px 0 0}
  .stepsimg img{width:100%;height:auto;display:block}
  .proc .pimg{display:none}
  @media (max-width:720px){
    .stepsimg{display:none}
    .proc .pimg{display:block;width:100%;max-width:260px;height:auto;margin:0 0 14px;border:1px solid var(--line)}
    .proc li::before{display:none}
    .proc li{display:grid;grid-template-columns:110px 1fr;gap:0 16px;align-items:start;padding:18px 16px}
    .proc li .pimg{grid-row:1 / span 2;margin:0}
    .proc li h4{font-size:16px}
    .proc li p{font-size:14px}
  }
  @media (max-width:720px){
    header{padding:16px 0}
    .brand img{height:32px}
    .lang{font-size:11px}
    section{padding:64px 0}
    .tsec{padding:56px 0}
    .teaband img{height:44vw}
    .bizsec{margin-top:40px;padding:40px 0}
    .ttcimg{max-width:320px;margin:0 auto}
    .cards{gap:16px}
    .card{padding:24px 20px}
    .regions article,.tri > div,.quad > div{padding:22px 20px}
    .proc li{padding:20px 18px}
  }