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@media(max-width:800px){html{scroll-padding-top:70px}.container{width:min(100% - 44px,680px)}.site-header{height:67px}.wordmark{font-size:27px}.desktop-nav,.nav-contact{display:none}.menu-toggle{display:flex;flex-direction:column;gap:6px;background:none;border:0;padding:10px;z-index:4}.menu-toggle span{display:block;width:26px;height:1px;background:white;transition:transform .2s}.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}.mobile-nav:not([hidden]){display:flex;position:absolute;inset:67px 0 auto 0;flex-direction:column;background:#103c32;padding:25px 24px 30px;box-shadow:0 18px 28px rgba(0,0,0,.12);border-top:1px solid rgba(255,255,255,.13)}.mobile-nav a{padding:14px 3px;font-size:14px;border-bottom:1px solid rgba(255,255,255,.12)}.hero-inner{display:flex;flex-direction:column;min-height:0;gap:16px;align-items:stretch}.hero-copy{padding:80px 0 30px}.hero-prelude{margin:39px 0 17px;font-size:12px}.hero h1{font-size:clamp(32px,6.7vw,50px);line-height:1.7}.hero-intro{font-size:12px;line-height:2.25}.hero-actions{margin-top:27px}.hero-art{width:min(85%,370px);align-self:flex-end;margin:0 24px 70px 0}.art-note{left:-10px;bottom:-40px}.hero-bottom{height:57px}.hero-bottom span:last-child{display:none}.section{padding:90px 0}.section-top{margin-bottom:53px}.about-layout{grid-template-columns:1fr;gap:35px}.about h2,.services h2,.projects h2,.approach h2{font-size:clamp(36px,6.6vw,53px)}.about-copy{max-width:100%}.philosophy-strip{margin-top:67px}.strip-en{display:none}.services-intro,.projects-head{display:block;margin-bottom:50px}.services-intro>p,.projects-head>p{max-width:100%;margin:25px 0 0}.service-row{grid-template-columns:70px 1fr;gap:14px;padding:28px 2px}.service-number{font-size:41px;align-self:start;padding-top:6px}.service-main h3{margin:7px 0 14px}.service-meta{grid-column:2;font-size:10px}.service-symbol{display:none}.approach{padding:92px 0}.approach-head{grid-template-columns:1fr;gap:21px}.approach-head .small-label{grid-column:1}.approach-head>p{max-width:100%}.approach-grid{margin-top:55px}.approach-item{padding-right:15px}.approach-item+.approach-item{padding-left:15px}.approach-icon{height:75px}.approach-item h3{font-size:28px}.approach-item h3 span{display:block;margin:8px 0 0}.project-grid{grid-template-columns:1fr;gap:18px}.project-card{display:grid;grid-template-columns:.95fr 1.05fr}.project-visual{min-height:300px;aspect-ratio:auto}.visual-big{font-size:clamp(41px,7vw,70px)}.project-content{display:flex;flex-direction:column;justify-content:center}.fit-inner{grid-template-columns:1fr;gap:35px}.contact{padding:105px 0}.footer-top{flex-wrap:wrap}.footer-top p{flex:1}.footer-bottom{flex-wrap:wrap}}
@media(max-width:520px){.container{width:calc(100% - 36px)}.hero-copy{padding-top:62px}.hero h1{font-size:clamp(28px,7.5vw,39px);letter-spacing:-.035em}.hero-prelude{font-size:11px}.hero-intro{font-size:11px}.desktop-break{display:none}.hero-actions{gap:22px;flex-wrap:wrap}.button{min-width:210px;min-height:53px}.hero-link{font-size:10px}.hero-art{width:82%;margin-right:18px;margin-bottom:60px}.hero-bottom{font-size:8px;letter-spacing:.1em}.hero-bottom a{font-size:8px}.marquee-track{padding:11px 0}.section{padding:73px 0}.section-top{gap:12px;margin-bottom:44px}.section-no,.section-caption,.small-label{font-size:9px}.about h2,.services h2,.projects h2,.approach h2{font-size:35px}.about-copy .lead{font-size:17px}.about-copy>p:not(.lead){font-size:12px}.philosophy-strip{padding:22px 0;gap:12px;margin-top:50px}.philosophy-strip p{font-size:13px}.service-row{grid-template-columns:57px 1fr;gap:12px;padding:27px 0}.service-number{font-size:35px}.service-en{font-size:29px}.service-main p{font-size:11px}.service-meta{font-size:9.5px;line-height:2}.service-bottom{flex-direction:column;align-items:start;gap:20px}.approach-grid{grid-template-columns:1fr;margin-top:45px}.approach-item,.approach-item+.approach-item{border-left:0;padding:22px 0 18px;min-height:0}.approach-item+.approach-item{border-top:1px solid rgba(255,255,255,.22)}.approach-icon{height:63px;font-size:37px}.approach-item h3 span{display:inline;margin-left:15px}.approach-item p{max-width:100%}.project-card{display:block}.project-visual{min-height:300px;aspect-ratio:1.13}.visual-big{font-size:72px}.project-content{min-height:0;padding:25px}.fit{padding:75px 0}.fit h2{font-size:37px}.fit-list p{grid-template-columns:31px 1fr;gap:14px;font-size:11px}.contact h2{font-size:clamp(30px,9vw,40px)}.contact p{font-size:11px}.contact-orbit{width:550px}.orbit-a{left:-510px}.orbit-b{right:-510px}.footer-top{gap:12px;padding-top:40px;padding-bottom:34px}.footer-wordmark{font-size:35px;width:100%}.footer-top p{font-size:10px}.back-to-top{font-size:9px}.footer-bottom{display:block;font-size:9px}.footer-bottom div{margin-top:17px;flex-wrap:wrap;gap:17px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.marquee-track{animation:none}.button,.service-row,.desktop-nav a,.nav-contact{transition:none}}

/* ==========================================================
   Lead generation additions (2026-11)
   既存の世界観（深緑・生成り・ゴールド／余白）を崩さずに、
   問い合わせ導線・不安解消・計測を追加するためのスタイル
   ========================================================== */
.hero-assurance{list-style:none;display:flex;flex-wrap:wrap;gap:10px 26px;margin:34px 0 0;padding:0;font-size:11px;letter-spacing:.1em;color:rgba(255,255,255,.72)}
.hero-assurance li{display:flex;align-items:center;gap:10px}
.hero-assurance li:before{content:'';width:5px;height:5px;border-radius:50%;background:#d9b487;flex:none}
.button-green{background:var(--green);color:var(--cream)}
.button-green:hover{background:var(--green-deep)}
.mobile-nav-cta{margin-top:14px;border:1px solid rgba(255,255,255,.45)!important;padding:15px 16px!important;display:flex;justify-content:space-between}

/* Fit — 課題からはじめる（ファーストビュー直後へ移動） */
.fit{padding:110px 0}
.fit-heading{position:sticky;top:120px}
.fit-lead{font:400 14px/2.2 var(--jpserif);letter-spacing:.06em;color:#47584f;margin:30px 0 0}
.fit-list{list-style:none;margin:0;padding:0}
.fit-list li{display:grid;grid-template-columns:40px 1fr auto;align-items:center;gap:24px;border-bottom:1px solid #bac6bd;padding:22px 3px}
.fit-list li p{font:400 14px/2 var(--sans);margin:0;padding:0;border:0;display:block;color:var(--ink)}
.fit-list .fit-no{font:500 20px var(--serif);color:#b59c75}
.fit-list .fit-tag{font:500 13px var(--serif);letter-spacing:.08em;color:#7b8d7c;white-space:nowrap}
.fit-cta{display:flex;justify-content:flex-end;padding-top:30px}

/* Services */
.service-bottom p{line-height:2}
.service-bottom .button{min-width:260px}

/* Projects */
.project-content{display:flex;flex-direction:column}
.project-link{margin-top:auto;padding-top:24px;align-self:flex-start;font-size:10px;letter-spacing:.14em;color:#1b4638;border-bottom:1px solid rgba(27,70,56,.4);padding-bottom:7px;transition:border-color .2s}
.project-link:hover{border-color:#1b4638}
.project-link span{margin-left:10px}

/* Flow */
.flow{background:#ecebe4}
.flow-head{display:flex;justify-content:space-between;align-items:end;gap:10%;margin-bottom:67px}
.flow-head>p{font-size:13px;line-height:2.4;color:#647169;max-width:380px;margin:0 0 7px}
.flow h2,.faq h2{font-family:var(--jpserif);font-weight:400;font-size:clamp(37px,4.15vw,61px);line-height:1.64;letter-spacing:.04em;margin:24px 0 0}
.flow h2 em,.faq h2 em{color:#7b8d7c}
.flow-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #bac6bd;border-bottom:1px solid #bac6bd}
.flow-list li{padding:34px 30px 36px 0;position:relative}
.flow-list li+li{border-left:1px solid #c5ccc4;padding-left:30px}
.flow-no{display:block;font:400 44px/1 var(--serif);color:#b9a17e;margin-bottom:26px}
.flow-list h3{font:500 17px/1.6 var(--jpserif);letter-spacing:.06em;margin:0 0 14px;color:#193e34}
.flow-list p{font-size:12px;line-height:2.1;color:#586a61;margin:0}

/* FAQ */
.faq{background:var(--cream)}
.faq-inner{display:grid;grid-template-columns:.78fr 1.22fr;gap:10%;align-items:start}
.faq-heading p{font-size:13px;line-height:2.3;color:#647169;margin:28px 0 0}
.faq-list{border-top:1px solid #bac6bd}
.faq-list details{border-bottom:1px solid #bac6bd}
.faq-list summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:34px 1fr 20px;gap:16px;align-items:center;padding:24px 3px;font:500 15px/1.8 var(--jpserif);letter-spacing:.04em;color:var(--ink)}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:before{content:'Q.';font:500 20px var(--serif);color:#b59c75}
.faq-list summary:after{content:'+';font:300 22px/1 var(--sans);color:#849a8d;text-align:center;transition:transform .25s}
.faq-list details[open] summary:after{transform:rotate(45deg)}
.faq-list details p{margin:0;padding:0 40px 28px 53px;font-size:13px;line-height:2.3;letter-spacing:.04em;color:#47584f}

/* Contact */
.contact p{margin-bottom:46px}
.topic-block{max-width:920px;margin:0 auto 44px}
.topic-label{display:block;font-size:11px;letter-spacing:.18em;color:#d5c4a5;margin-bottom:18px}
.topic-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.topic-grid a{display:grid;grid-template-rows:auto 1fr;gap:8px;text-align:left;min-height:118px;padding:20px 44px 20px 20px;border:1px solid rgba(255,255,255,.24);position:relative;transition:background .25s,border-color .25s,transform .25s}
.topic-grid a:hover{background:rgba(246,243,236,.07);border-color:rgba(220,194,160,.7);transform:translateY(-3px)}
.topic-en{font:500 17px/1.2 var(--serif);letter-spacing:.02em;color:#dcc2a0}
.topic-ja{font-size:12px;line-height:1.8;color:rgba(255,255,255,.85);letter-spacing:.05em}
.topic-arrow{position:absolute;right:16px;top:18px;font-size:15px;color:rgba(255,255,255,.6)}
.contact-hint{max-width:620px;margin:48px auto 0;padding-top:30px;border-top:1px solid rgba(255,255,255,.14)}
.contact-hint-title{display:block;font-size:11px;letter-spacing:.1em;color:rgba(255,255,255,.7);margin-bottom:16px}
.contact-hint-title small{font-size:10px;color:rgba(255,255,255,.48);margin-left:6px}
.contact-hint ul{list-style:none;margin:0;padding:0;display:flex;justify-content:center;flex-wrap:wrap;gap:10px}
.contact-hint li{font-size:11px;letter-spacing:.06em;color:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.18);border-radius:100px;padding:7px 15px}

/* Sticky CTA */
.sticky-cta{position:fixed;z-index:40;right:28px;bottom:28px;display:flex;align-items:center;gap:22px;padding:12px 12px 12px 26px;background:rgba(11,48,41,.96);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.16);box-shadow:0 18px 40px rgba(5,25,21,.22);color:#fff;transform:translateY(140%);opacity:0;transition:transform .4s ease,opacity .4s ease;pointer-events:none}
.sticky-cta.is-visible{transform:none;opacity:1;pointer-events:auto}
.sticky-cta p{margin:0;font:400 13px var(--jpserif);letter-spacing:.08em;color:rgba(255,255,255,.86)}
.sticky-cta .button{min-width:0;min-height:46px;padding:11px 18px;gap:20px}

@media(max-width:1150px){.flow-list li{padding-right:20px}.flow-list li+li{padding-left:20px}.topic-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:800px){
  .mobile-nav a.mobile-nav-cta{font-size:13px}
  .fit{padding:80px 0}
  .fit-heading{position:static}
  .fit-list li{grid-template-columns:34px 1fr;gap:6px 16px;padding:20px 2px}
  .fit-list .fit-tag{grid-column:2;font-size:12px}
  .fit-cta{justify-content:flex-start}
  .flow-head{display:block;margin-bottom:50px}.flow-head>p{max-width:100%;margin:25px 0 0}
  .flow h2,.faq h2{font-size:clamp(36px,6.6vw,53px)}
  .flow-list{grid-template-columns:repeat(2,1fr)}
  .flow-list li:nth-child(3){border-left:0;padding-left:0}
  .flow-list li:nth-child(n+3){border-top:1px solid #c5ccc4}
  .faq-inner{grid-template-columns:1fr;gap:40px}
  .sticky-cta{left:0;right:0;bottom:0;border-width:1px 0 0;padding:10px 18px calc(10px + env(safe-area-inset-bottom));justify-content:space-between;gap:14px}
  .sticky-cta p{font-size:12px}
  body.has-sticky .footer{padding-bottom:76px}
}
@media(max-width:520px){
  .hero-assurance{gap:8px 18px;font-size:10px;margin-top:28px}
  .fit h2{font-size:35px}
  .fit-lead{font-size:13px}
  .fit-list li p{font-size:12px}
  .service-bottom .button{width:100%}
  .flow-list{grid-template-columns:1fr}
  .flow-list li,.flow-list li+li{border-left:0;padding:24px 0}
  .flow-list li+li{border-top:1px solid #c5ccc4}
  .flow-no{font-size:36px;margin-bottom:14px}
  .flow h2,.faq h2{font-size:35px}
  .faq-list summary{grid-template-columns:26px 1fr 18px;gap:10px;font-size:14px;padding:20px 0}
  .faq-list details p{padding:0 8px 24px 36px;font-size:12px}
  .topic-grid{grid-template-columns:1fr 1fr;gap:8px}
  .topic-grid a{min-height:104px;padding:16px 30px 16px 14px}
  .topic-en{font-size:15px}
  .topic-ja{font-size:11px}
  .topic-arrow{right:10px;top:14px;font-size:13px}
  .contact-button{width:100%;max-width:340px}
  .contact-hint li{font-size:10px}
  .sticky-cta p{font-size:11px;letter-spacing:.04em}
}
@media(prefers-reduced-motion:reduce){.sticky-cta,.topic-grid a,.faq-list summary:after{transition:none}}
.sticky-cta p,.sticky-cta .button{white-space:nowrap}
@media(max-width:520px){.sticky-cta{padding-left:16px;padding-right:12px;gap:10px}.sticky-cta p{font-size:11px;letter-spacing:0}.sticky-cta .button{padding:10px 14px;gap:12px;font-size:11px;letter-spacing:.08em}.topic-ja{letter-spacing:0}.topic-grid a{padding-right:24px}}
@media(max-width:350px){.sticky-cta p{display:none}.sticky-cta .button{width:100%}}

/* Works — 実績 */
.works{background:#ecebe4}
.works-head{display:flex;justify-content:space-between;align-items:end;gap:10%;margin-bottom:67px}
.works-head>p{font-size:13px;line-height:2.4;color:#647169;max-width:380px;margin:0 0 7px}
.works h2{font-family:var(--jpserif);font-weight:400;font-size:clamp(37px,4.15vw,61px);line-height:1.64;letter-spacing:.04em;margin:24px 0 0}
.works h2 em{color:#7b8d7c}
.works-groups{display:grid;gap:56px}
.works-group{display:grid;grid-template-columns:260px minmax(0,1fr);gap:40px;border-top:1px solid #bac6bd;padding-top:30px}
.works-group-en{display:block;font:500 26px/1.2 var(--serif);color:#183e34}
.works-group-label h3{font-size:12px;letter-spacing:.12em;font-weight:500;color:#27463c;margin:10px 0 0}
.works-list{list-style:none;margin:0;padding:0}
.works-list .work-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;padding:22px 4px;border-bottom:1px solid #c5ccc4}
.works-list .work-item:first-child{padding-top:0}
.work-body h4{font:500 17px/1.6 var(--jpserif);letter-spacing:.05em;color:#193e34;margin:0 0 6px}
.work-body p{font-size:12px;line-height:2;color:#586a61;margin:0}
.work-body .work-note{font-size:10px;color:#8b968e;margin-top:4px}
.work-link{font-size:10px;letter-spacing:.14em;color:#1b4638;border-bottom:1px solid rgba(27,70,56,.4);padding-bottom:7px;white-space:nowrap;transition:border-color .2s}
.work-link:hover{border-color:#1b4638}
.work-link span{margin-left:10px}
.works-bottom{display:flex;justify-content:space-between;align-items:center;gap:30px;padding-top:44px}
.works-bottom p{font-size:12px;color:#64756c;margin:0}
.works-actions{display:flex;align-items:center;gap:36px;flex-wrap:wrap}
.project-disclaimer a{border-bottom:1px solid currentColor}
@media(max-width:1150px){.works-group{grid-template-columns:200px minmax(0,1fr);gap:28px}}
@media(max-width:800px){.works-head{display:block;margin-bottom:50px}.works-head>p{max-width:100%;margin:25px 0 0}.works h2{font-size:clamp(36px,6.6vw,53px)}.works-group{grid-template-columns:1fr;gap:20px}.works-groups{gap:44px}.works-bottom{flex-direction:column;align-items:flex-start}}
@media(max-width:520px){.works h2{font-size:35px}.works-list .work-item{grid-template-columns:1fr;gap:12px;padding:20px 0}.work-link{justify-self:start}.work-body h4{font-size:16px}.work-body p{font-size:11.5px}.works-group-en{font-size:23px}.works-actions{flex-direction:column;align-items:flex-start;gap:24px;width:100%}.works-actions .button{width:100%}}
.work-links{display:flex;gap:22px;flex-wrap:wrap}@media(max-width:520px){.work-links{justify-self:start}}
.works-group-label h3{line-height:1.9}
.works-group-label h3 small{font-size:11px;font-weight:400;color:#6b786f;margin-left:4px}
.work-cat{display:inline-block;font-size:9.5px;letter-spacing:.14em;color:#8a8c77;margin-bottom:6px}
.works-more{font-size:12px;line-height:2;color:#47584f;margin:20px 4px 0;padding-left:18px;position:relative}
.works-more:before{content:'';position:absolute;left:0;top:.55em;width:11px;height:11px;background:#b59c75;-webkit-mask:var(--ast) center/contain no-repeat;mask:var(--ast) center/contain no-repeat}
.works-detail>p{font-size:13px;line-height:2.3;letter-spacing:.04em;color:#47584f;margin:0;max-width:760px}
.works-chips{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.works-chips li{font-size:11.5px;letter-spacing:.06em;color:#27463c;border:1px solid #bac6bd;border-radius:100px;padding:7px 16px;background:rgba(255,255,255,.35)}
.works-points{list-style:none;margin:28px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid #c5ccc4}
.works-points li{padding:24px 24px 4px 0}
.works-points li+li{border-left:1px solid #c5ccc4;padding-left:24px}
.works-point-en{display:block;font:500 13px var(--serif);letter-spacing:.14em;color:#b9a17e;text-transform:uppercase}
.works-points h4{font:500 16px/1.6 var(--jpserif);letter-spacing:.05em;color:#193e34;margin:8px 0 10px}
.works-points p{font-size:12px;line-height:2.1;color:#586a61;margin:0}
@media(max-width:800px){.works-points{grid-template-columns:1fr}.works-points li,.works-points li+li{border-left:0;padding:20px 0}.works-points li+li{border-top:1px solid #c5ccc4}.works-group-label h3 br{display:none}}
@media(max-width:520px){.works-detail>p{font-size:12px}.works-chips li{font-size:11px;padding:6px 13px}.works-more{font-size:11.5px;margin-left:0}}
.works-intro{max-width:400px}
.works-intro>p:not(.works-creator){font-size:13px;line-height:2.4;color:#647169;margin:0 0 7px}
.works-creator{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 14px;margin:0 0 18px;padding-bottom:16px;border-bottom:1px solid #c5ccc4}
.works-creator-label{font-size:9.5px;font-weight:500;letter-spacing:.2em;color:#8a8c77}
.works-creator-name{font:500 20px var(--jpserif);letter-spacing:.12em;color:#193e34}
.works-creator-en{font:500 15px var(--serif);letter-spacing:.08em;color:#b9a17e}
@media(max-width:800px){.works-intro{max-width:100%;margin-top:25px}}
.works-intro>p.works-caution{font-size:11px;line-height:2;color:#7a857e;margin:10px 0 0}
@media(max-width:520px){.works h2{font-size:clamp(24px,7.6vw,30px)}}
@media(max-width:520px){.works h2{font-size:35px}}
.contact-button+.contact-note{margin-top:22px}
.contact-inner>p{margin-bottom:40px}
.contact h2+.contact-button{margin-top:16px}
.contact .small-label+.contact-button{margin-top:30px}.contact{padding-block:110px 115px}@media(max-width:520px){.contact{padding-block:80px 85px}}
.contact .small-label{display:block}
@media(max-width:520px){.projects h2{font-size:clamp(22px,7vw,27px)}}
@media(max-width:520px){.projects h2{font-size:clamp(26px,9.2vw,35px)}}

/* 記号「✳」は iPhone で絵文字に置き換わるため、図形（SVGマスク）で描画 */
:root{--ast:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2.5v19M2.5 12h19M5.3 5.3l13.4 13.4M18.7 5.3L5.3 18.7' stroke='%23000' stroke-width='1.7' stroke-linecap='round' fill='none'/%3E%3C/svg%3E")}
.ast{display:inline-block;width:.9em;height:.9em;background:currentColor;-webkit-mask:var(--ast) center/contain no-repeat;mask:var(--ast) center/contain no-repeat;vertical-align:-.08em}
.approach-icon .ast{width:.85em;height:.85em}