:root{--red:#c8102e;--black:#111;--gray:#666;--light:#f5f5f3;--line:#deded9;--white:#fff;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--black);background:#fff;font-family:"Helvetica Neue","Arial","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;line-height:1.8;letter-spacing:.02em}a{text-decoration:none;color:inherit}img{max-width:100%;height:auto}.container{width:min(calc(100% - 48px),var(--max));margin:auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.header-inner{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:16px}.logo-mark{position:relative;width:58px;height:45px;display:block}.logo-mark i{position:absolute;inset:0;border:9px solid #111;border-right-width:7px;border-radius:0 24px 24px 0;font-style:normal;font-size:0}.logo-mark b{position:absolute;left:25px;top:22px;width:31px;height:21px;border-left:8px solid var(--red);border-bottom:8px solid var(--red);font-size:0}.brand-word{display:flex;flex-direction:column;line-height:1}.brand-word strong{font-size:18px;letter-spacing:.18em}.brand-word em{font-size:9px;color:var(--red);font-style:normal;letter-spacing:.2em;margin-top:8px}.custom-logo{max-height:56px;width:auto}.site-nav ul{display:flex;align-items:center;gap:24px;list-style:none;margin:0;padding:0;font-size:10px;font-weight:700;letter-spacing:.12em}.site-nav a:hover{color:var(--red)}.nav-cta{border:1px solid var(--red);color:var(--red)!important;padding:11px 15px}.menu-toggle{display:none;border:1px solid var(--black);background:#fff;padding:8px 12px;font-weight:700}
.hero{position:relative;overflow:hidden;min-height:710px;display:flex;align-items:center}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center;padding:100px 0}.eyebrow,.section-label{font-size:10px;font-weight:800;letter-spacing:.27em;color:var(--red);margin:0 0 20px}.hero h1{font-size:clamp(42px,5.8vw,76px);line-height:1.28;letter-spacing:-.035em;margin:0 0 30px}.lead{font-size:17px;max-width:720px;color:#444}.hero-actions,.cta-buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:35px}.btn{min-height:54px;padding:0 26px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;letter-spacing:.06em;border:1px solid var(--black);transition:.2s}.btn.red{background:var(--red);border-color:var(--red);color:white}.btn.line:hover{border-color:var(--red);color:var(--red)}.btn.white{background:white;border-color:white;color:var(--red)}
.hero-brand{border-left:1px solid var(--line);padding-left:55px}.hero-logo{display:flex;align-items:center;gap:28px}.logo-mark.giant{width:140px;height:108px}.logo-mark.giant i{border-width:20px;border-right-width:15px;border-radius:0 60px 60px 0}.logo-mark.giant b{left:61px;top:54px;width:75px;height:50px;border-left-width:18px;border-bottom-width:18px}.hero-logo strong{display:block;font-size:34px;letter-spacing:.22em}.hero-logo em{display:block;color:var(--red);font-style:normal;font-size:17px;letter-spacing:.38em;margin-top:12px}.hero-brand>p{font-size:11px;letter-spacing:.28em;margin:50px 0 0 168px;color:#777}.draft-lines{position:absolute;right:-60px;top:45px;width:520px;height:520px;opacity:.42;pointer-events:none}.draft-lines .circle{position:absolute;border:1px solid #bbb;border-radius:50%}.circle.one{width:390px;height:390px;right:30px;top:35px}.circle.two{width:260px;height:260px;right:95px;top:100px;border-style:dashed}.draft-lines .line{position:absolute;background:#bbb;transform-origin:left center}.line.horizontal{width:500px;height:1px;top:230px}.line.vertical{width:1px;height:500px;left:260px}.line.diagonal{width:590px;height:1px;top:410px;left:20px;transform:rotate(-43deg);background:var(--red)}.draft-lines .point{position:absolute;width:10px;height:10px;background:var(--red);border-radius:50%;left:255px;top:225px}
.statement{padding:115px 0;background:var(--light)}.statement blockquote{font-size:clamp(30px,4.5vw,58px);line-height:1.45;margin:0;letter-spacing:-.02em}.statement blockquote::first-line{color:var(--black)}
.section{padding:105px 0}.section-title{display:grid;grid-template-columns:260px 1fr;gap:50px}.section h2,.page-head h1{font-size:clamp(34px,4.8vw,60px);line-height:1.3;letter-spacing:-.03em;margin:0 0 50px}.service-list{border-top:1px solid var(--black)}.service-list article{display:grid;grid-template-columns:90px 1fr;gap:35px;padding:37px 0;border-bottom:1px solid var(--line);transition:.45s;opacity:0;transform:translateY(18px)}.service-list article.is-visible{opacity:1;transform:none}.service-list article:hover{padding-left:12px;border-bottom-color:var(--red)}.service-list article>span,.credentials span,.link-list>a>span{color:var(--red);font-weight:700;font-size:12px}.service-list h3{font-size:25px;margin:0 0 7px}.service-list p,.service-copy{margin:0;color:#555}
.profile{background:#111;color:white}.profile-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:100px}.profile .section-label{color:#ef667c}.profile h2{font-size:58px;margin:0 0 5px}.profile-name>span{letter-spacing:.2em;font-size:12px}.profile-body>p{font-size:17px;color:#ddd}.credentials{margin:45px 0;border-top:1px solid #444}.credentials div{display:grid;grid-template-columns:48px 1fr;gap:20px;padding:23px 0;border-bottom:1px solid #444}.credentials strong{font-size:15px;letter-spacing:.04em}.text-link{display:inline-block;color:var(--red);font-weight:700;border-bottom:1px solid currentColor;padding-bottom:4px}.light-link{color:#fff}
.request{background:var(--red);color:#fff}.request-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}.request .section-label.light{color:#fff;opacity:.75}.request h2{color:#fff}.request-grid>div:last-child>p{font-size:17px}.request-types{display:flex;flex-wrap:wrap;gap:8px;margin:28px 0 35px}.request-types span{border:1px solid rgba(255,255,255,.5);padding:6px 12px;font-size:12px}
.section-title.row{display:flex;justify-content:space-between;align-items:end}.section-title.row .text-link{margin-bottom:55px}.works{background:#fff}.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.work-card{border:1px solid var(--line);padding:30px;min-height:250px;opacity:0;transform:translateY(18px);transition:.45s}.work-card.is-visible{opacity:1;transform:none}.work-card span{font-size:10px;letter-spacing:.15em;color:var(--red);font-weight:700}.work-card h3{font-size:23px;line-height:1.45;margin:22px 0 15px}.work-card p{color:#666;font-size:14px}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.post-card{border-top:4px solid var(--black);padding-top:15px;opacity:0;transform:translateY(18px);transition:.45s}.post-card.is-visible{opacity:1;transform:none}.post-image{aspect-ratio:16/9;background:#111;color:#fff;display:grid;place-items:center;text-align:center;font-size:22px;font-weight:700;letter-spacing:.16em;overflow:hidden}.post-image img{width:100%;height:100%;object-fit:cover}.post-card time{display:block;color:var(--red);font-size:11px;margin:18px 0 8px}.post-card h3{font-size:20px;line-height:1.55;margin:0 0 8px}.post-card p{font-size:13px;color:#666}
.links{background:var(--light)}.link-list{border-top:1px solid var(--black)}.link-list a{display:grid;grid-template-columns:70px 1fr auto;gap:25px;align-items:center;padding:28px 0;border-bottom:1px solid var(--line);opacity:0;transform:translateY(14px);transition:.45s}.link-list a.is-visible{opacity:1;transform:none}.link-list a:hover strong{color:var(--red)}.link-list strong{font-size:20px}.link-list em{font-style:normal;font-size:10px;letter-spacing:.12em;color:#777}
.final-cta{text-align:center}.final-cta .cta-buttons{justify-content:center}.site-footer{background:#111;color:white;padding-top:70px}.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px}.footer-brand{display:flex;align-items:center;gap:22px}.logo-mark.inverse i{border-color:white}.logo-mark.inverse b{border-color:var(--red)}.footer-brand strong{display:block;letter-spacing:.18em}.footer-brand em{display:block;color:var(--red);font-style:normal;letter-spacing:.18em;font-size:9px;margin-top:7px}.footer-label{font-size:10px;letter-spacing:.2em;color:#999}.footer-main a{font-size:13px}.motto{display:flex;justify-content:center;align-items:center;gap:18px;border-top:1px solid #333;border-bottom:1px solid #333;margin-top:55px;padding:18px;font-size:10px;letter-spacing:.2em}.motto i{display:block;width:35px;height:1px;background:var(--red)}.copyright{text-align:center;padding:18px;font-size:10px;color:#777}
.page-head{padding:90px 0;background:var(--light)}.page-head time{color:#777}.content{font-size:16px}.content.narrow{max-width:850px}.content h2{font-size:32px;margin-top:2.2em;padding-bottom:.3em;border-bottom:1px solid var(--line)}.content h3{font-size:23px;margin-top:1.8em}.pagination{padding-bottom:70px}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.contact-grid h2{font-size:36px}.contact-note{background:var(--light);padding:18px;font-size:13px}
@media(max-width:900px){.menu-toggle{display:block}.site-nav{display:none;position:absolute;top:86px;left:0;right:0;background:#fff;padding:20px;border-bottom:1px solid var(--line)}.site-nav.open{display:block}.site-nav ul{display:block}.site-nav li{margin:14px}.hero-grid,.profile-grid,.request-grid,.contact-grid{grid-template-columns:1fr;gap:50px}.hero-brand{border-left:0;border-top:1px solid var(--line);padding:45px 0 0}.section-title{grid-template-columns:1fr}.post-grid,.works-grid{grid-template-columns:1fr 1fr}.footer-main{grid-template-columns:1fr 1fr}.draft-lines{opacity:.18}}
@media(max-width:620px){.container{width:min(calc(100% - 30px),var(--max))}.header-inner{min-height:74px}.site-nav{top:74px}.brand-word strong{font-size:15px}.brand-word em{font-size:8px}.logo-mark{transform:scale(.8);transform-origin:left center}.hero{min-height:auto}.hero-grid{padding:75px 0}.hero-brand{display:none}.section,.statement{padding:70px 0}.service-list article{grid-template-columns:45px 1fr;gap:15px}.service-list h3{font-size:20px}.profile h2{font-size:42px}.post-grid,.works-grid,.footer-main{grid-template-columns:1fr}.section-title.row{display:block}.section-title.row .text-link{margin-bottom:35px}.link-list a{grid-template-columns:40px 1fr}.link-list em{grid-column:2}.motto{gap:8px;font-size:8px}.motto i{width:12px}.cta-buttons,.hero-actions{flex-direction:column}.btn{width:100%}}

.brand-logo-svg{display:block;width:315px;max-width:36vw;height:auto}
.hero-logo-final img{display:block;width:100%;max-width:430px;height:auto}
.brand-principles{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:25px 0;background:#fff}
.brand-principles img{display:block;width:100%;max-width:920px;margin:auto;height:auto}
.footer-logo-svg{display:block;width:330px;max-width:100%;height:auto;filter:invert(1) grayscale(1) brightness(2)}
@media(max-width:900px){.brand-logo-svg{width:270px;max-width:55vw}}
@media(max-width:620px){.brand-logo-svg{width:220px;max-width:65vw}.brand-principles{padding:16px 0}.footer-logo-svg{width:260px}}

/* Ver.3.2 footer visibility adjustment */
.site-footer{background:#f5f5f3;color:#111;border-top:1px solid var(--line)}
.site-footer .footer-label{color:#777}
.site-footer .footer-main a{color:#111}
.footer-logo-svg{filter:none}
.motto{border-top:1px solid #d7d7d2;border-bottom:1px solid #d7d7d2;color:#111}
.copyright{color:#777}

.official-logo{display:block;height:auto;object-fit:contain}.header-logo{width:250px;max-width:36vw}.hero{min-height:660px}.hero-grid{grid-template-columns:1.22fr .78fr}.hero-brand{display:flex;flex-direction:column;justify-content:center;min-height:270px;padding-left:48px}.hero-logo-final img{width:100%;max-width:410px}.hero-brand>p{margin:42px 0 0;font-size:10px;letter-spacing:.25em;color:#777}.site-footer{background:#f5f5f3;color:#111;border-top:1px solid var(--line)}.footer-logo{width:300px;max-width:100%}.footer-main a{color:#111}.footer-label{color:#777}.motto{color:#111;border-color:#d7d7d2}.copyright{color:#777}.brand-principles{background:#fff}@media(max-width:900px){.header-logo{width:225px;max-width:58vw}.hero-brand{padding-left:0;border-left:0;border-top:1px solid var(--line);padding-top:38px}.hero-logo-final img{max-width:360px}}@media(max-width:620px){.header-logo{width:195px;max-width:68vw}.hero{min-height:auto}.footer-logo{width:250px}}

/* Dobashi Design Lab Ver.5 Brand Edition — Engineering with Clarity */
:root{--red:#d10f2f;--black:#171717;--gray:#6c6c6c;--light:#f7f7f5;--line:#e5e5e1;--white:#fff;--max:1160px}
body{color:var(--black);background:#fff;font-family:Inter,"Noto Sans JP","Helvetica Neue",Arial,"Yu Gothic",Meiryo,sans-serif;line-height:1.85;letter-spacing:.015em}
.container{width:min(calc(100% - 64px),var(--max))}.site-header{background:rgba(255,255,255,.98);border-bottom:1px solid rgba(20,20,20,.08);backdrop-filter:blur(16px)}.header-inner{min-height:82px}.header-logo{width:235px}.site-nav ul{gap:28px;font-size:10px;letter-spacing:.14em}.nav-cta{border-color:var(--black);color:var(--black)!important;padding:10px 16px}.nav-cta:hover{background:var(--black);color:#fff!important}
.hero-v5{min-height:720px;display:flex;align-items:center;background:#fff}.hero-v5-inner{text-align:center;max-width:940px;padding:110px 0 120px}.hero-v5-logo{margin:0 auto 50px}.hero-v5-logo img{width:390px;max-width:78vw;height:auto}.hero-v5 .eyebrow{margin-bottom:25px}.hero-v5 h1{font-size:clamp(44px,6.2vw,76px);line-height:1.28;letter-spacing:-.04em;font-weight:650;margin:0 auto 30px;max-width:980px}.hero-v5 .lead{max-width:720px;margin:0 auto;font-size:17px;color:#555}.hero-v5 .hero-actions{justify-content:center;margin-top:42px}.btn{min-height:56px;padding:0 30px;border-radius:0;font-size:12px;letter-spacing:.1em}.btn.red{background:var(--red);border-color:var(--red)}.btn.line{background:#fff;border-color:#c9c9c5}.btn.line:hover{background:#111;color:#fff;border-color:#111}
.brand-principles{padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.brand-principles img{opacity:.82}.statement{padding:150px 0;background:#fff;border-bottom:1px solid var(--line)}.statement .container{max-width:1000px}.statement blockquote{font-size:clamp(32px,4.8vw,58px);font-weight:500;line-height:1.55;text-align:center}.statement .section-label{text-align:center}
.section{padding:130px 0}.section-title{grid-template-columns:220px 1fr;gap:70px}.section h2,.page-head h1{font-size:clamp(36px,4.5vw,58px);font-weight:600}.services{background:var(--light)}.service-list{border-top:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.service-list article{display:block;min-height:270px;padding:34px;border:1px solid var(--line);background:#fff;opacity:1;transform:none}.service-list article:hover{padding-left:34px;border-color:#bcbcb7;transform:translateY(-4px)}.service-list article>span{display:block;margin-bottom:44px;font-size:11px}.service-list h3{font-size:22px;font-weight:600;margin:0 0 16px}.service-list p,.service-copy{font-size:14px;color:#666}
.profile{background:#fff;color:var(--black);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.profile-grid{grid-template-columns:.85fr 1.15fr;gap:110px}.profile .section-label{color:var(--red)}.profile h2{font-size:58px;font-weight:600}.profile-body>p{color:#555;font-size:17px}.credentials{border-top:1px solid var(--line)}.credentials div{border-bottom:1px solid var(--line)}.credentials strong{color:var(--black)}.light-link{color:var(--red)}
.request{background:#111;color:#fff}.request h2{font-weight:500}.request-types span{border-color:#555}.works{background:#fff}.works-grid{gap:20px}.work-card{border:1px solid var(--line);min-height:260px;padding:34px;opacity:1;transform:none}.work-card:hover{border-color:#bcbcb7}.work-card h3{font-weight:600}.columns{background:var(--light)}.post-card{border-top:1px solid #999;opacity:1;transform:none}.post-image{background:#fff;border:1px solid var(--line);color:#222}.links{background:#fff}.link-list a{opacity:1;transform:none}.link-list strong{font-weight:600}.final-cta{background:#fff;padding:150px 0}.final-cta h2{font-weight:500}.site-footer{background:#f7f7f5}.footer-main{padding-bottom:10px}.motto{background:#fff}.copyright{background:#fff}.page-head{background:#f7f7f5;padding:110px 0}.content{max-width:900px}
@media(max-width:900px){.container{width:min(calc(100% - 40px),var(--max))}.service-list{grid-template-columns:1fr 1fr}.profile-grid{grid-template-columns:1fr;gap:65px}}
@media(max-width:620px){.container{width:min(calc(100% - 28px),var(--max))}.header-logo{width:195px}.hero-v5{min-height:auto}.hero-v5-inner{padding:85px 0 95px}.hero-v5-logo img{width:280px}.section,.statement,.final-cta{padding:85px 0}.service-list{grid-template-columns:1fr}.service-list article{min-height:auto}.section-title{display:block}}


/* ==========================================================
   Ver.5.1 Native Contact Form
   ========================================================== */
.contact-section{background:#fff}
.contact-grid{align-items:start}
.contact-intro{position:sticky;top:120px}
.contact-intro h2{font-size:clamp(30px,3.7vw,48px);line-height:1.35;margin:0 0 26px}
.contact-intro>p{color:#626262;max-width:490px}
.contact-direct{
  margin-top:48px;
  padding:24px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.contact-direct span{
  display:block;
  margin-bottom:7px;
  color:var(--red);
  font-size:10px;
  font-weight:700;
  letter-spacing:.18em;
}
.contact-direct a{font-size:16px;font-weight:600;word-break:break-all}
.contact-privacy{font-size:12px!important;margin-top:22px}
.contact-form-wrap{background:var(--light);padding:48px}
.ddl-contact-form{display:grid;gap:27px}
.form-row.two{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-field label{
  display:block;
  margin-bottom:9px;
  font-size:13px;
  font-weight:600;
}
.form-field label em{
  margin-left:7px;
  color:var(--red);
  font-size:10px;
  font-style:normal;
}
.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field select,
.form-field textarea{
  box-sizing:border-box;
  width:100%;
  border:1px solid #d4d4d0;
  border-radius:0;
  background:#fff;
  color:#171717;
  font:inherit;
  font-size:15px;
  outline:0;
  transition:border-color .2s,box-shadow .2s;
}
.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field select{height:56px;padding:0 16px}
.form-field textarea{padding:15px 16px;resize:vertical;min-height:210px}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  border-color:#555;
  box-shadow:0 0 0 2px rgba(0,0,0,.05);
}
.form-field textarea::placeholder{color:#aaa}
.form-consent label{
  display:flex;
  align-items:flex-start;
  gap:11px;
  margin:0;
  color:#555;
  font-size:13px;
  font-weight:400;
}
.form-consent input{width:17px;height:17px;margin-top:3px;accent-color:var(--red)}
.form-honeypot{
  position:absolute!important;
  left:-9999px!important;
  width:1px!important;
  height:1px!important;
  overflow:hidden!important;
}
.form-submit{
  width:100%;
  justify-content:space-between;
  border:0;
  cursor:pointer;
  font-weight:600;
}
.form-message{margin-bottom:28px;padding:22px 24px;border:1px solid}
.form-message strong{display:block;margin-bottom:5px;font-size:17px}
.form-message p{margin:0;font-size:14px}
.form-message.success{background:#f3f7f2;border-color:#b8c9b4}
.form-message.error{background:#fff4f4;border-color:#ddb9b9}
@media(max-width:900px){
  .contact-intro{position:static}
}
@media(max-width:620px){
  .contact-form-wrap{padding:26px 20px}
  .form-row.two{grid-template-columns:1fr}
}


/* ==========================================================
   Ver.5.2 Official Logo Rendering Fix
   ========================================================== */
.brand{display:inline-flex;align-items:center;line-height:0}
.official-logo{
  display:block;
  height:auto;
  max-width:100%;
  object-fit:contain;
  font-size:0;
  color:transparent;
}
.header-logo{width:235px;aspect-ratio:auto}
.hero-official-logo{width:390px;margin-inline:auto}
.footer-logo{width:300px}
@media(max-width:620px){
  .header-logo{width:195px}
  .hero-official-logo{width:280px}
  .footer-logo{width:250px}
}