/* 色・間隔は :root、レイアウトはセクション別に変更できます。 */
:root{--ink:#1d1e20;--muted:#7a7c80;--soft:#f5f5f4;--accent:#c72b65;--line:#dedfe1;--space:64px;--text-scale:1;--width:1320px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:#fff;color:var(--ink);font-family:"Helvetica Neue",Arial,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}img{display:block;max-width:100%}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}a:hover{opacity:.76}.wrap{width:min(var(--width),88%);margin-inline:auto}.skip{position:absolute;top:-90px;left:20px;background:#fff;padding:10px;z-index:30}.skip:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* Header */
.header{position:absolute;inset:0 0 auto;z-index:10}.header-inner{height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo-window{display:block;width:140px;height:35px;position:relative;overflow:hidden;flex-shrink:0;mix-blend-mode:multiply}.logo-window img{position:absolute;width:229px;max-width:none;left:-44px;top:-49px}.logo-window.custom-logo{mix-blend-mode:normal}.logo-window.custom-logo img{position:static;width:100%;height:100%;object-fit:contain}.nav{display:flex;align-items:center;gap:25px;font-size:12px;letter-spacing:.03em}.pill{display:inline-flex;align-items:center;justify-content:center;gap:12px;border-radius:100px;padding:12px 29px;background:#252628;color:#fff;font-size:13px;line-height:1.5;min-height:46px;border:1px solid #252628;white-space:nowrap}.pill:hover{opacity:.88}.pill.outline{background:transparent;color:var(--ink)}.nav .pill{min-height:42px;padding:10px 26px;font-size:12px}.mobile-menu{display:none}
/* Hero: image and editable text are separate layers. */
.hero{position:relative;min-height:550px;height:clamp(480px,38.6vw,640px);isolation:isolate;overflow:hidden;display:flex;align-items:center;padding:95px 0 35px}.photo-pane{position:absolute;z-index:-1;overflow:hidden;inset:0 0 0 auto;width:76%;margin:0}.photo-pane img{width:100%;height:100%;object-fit:cover}.hero-art img{object-position:65% 49%}.hero:after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,#fff 0%,#fffffff5 25%,#ffffffa8 43%,#ffffff00 62%)}.hero-copy{width:58%}.hero h1{font-size:clamp(44px,5.25vw,76px);font-weight:500;line-height:1.34;letter-spacing:.035em;margin:0 0 12px}.hero-en{font-size:clamp(16px,1.65vw,23px);letter-spacing:.035em;margin:0}.hero-company{margin-top:35px;font-size:17px;font-weight:600;line-height:1.7}.hero-company:before{content:"";display:block;width:53px;border-top:2px solid var(--ink);margin-bottom:15px}.hero-note{font-size:14px!important;font-weight:400;color:var(--muted);letter-spacing:.05em;margin:3px 0 0}
/* Mission / Vision / Value */
.philosophy{display:grid;grid-template-columns:1fr 1.17fr 1fr;padding-block:calc(var(--space)*.65);gap:0}.principle{padding:0 44px;border-right:1px solid var(--line);scroll-margin-top:30px}.principle:first-of-type{padding-left:14px}.principle:last-of-type{border:0;padding-right:0}.principle-label{font-size:14px;letter-spacing:.06em;line-height:1.5;margin-bottom:12px}.principle h3{font-size:clamp(24px,2.65vw,37px);line-height:1.43;font-weight:500;letter-spacing:.02em;margin:0}
/* Service */
.service{position:relative;isolation:isolate;overflow:hidden;padding:calc(var(--space)*.75) 0 24px;min-height:420px;display:flex;align-items:center}.service-copy{width:58%;padding:15px 0 20px}.mechapri-logo{width:min(330px,75%);height:auto;margin-bottom:24px}.service h2{font-size:clamp(26px,3vw,42px);font-weight:500;letter-spacing:.005em;line-height:1.55;margin:0 0 12px}.body-copy{font-size:calc(15px * var(--text-scale));line-height:1.9;letter-spacing:.035em;margin:0 0 12px}.service .pill{margin-top:7px;min-width:255px}.service-art{width:49%}.service-art img{object-position:42% 50%}.service-art:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#fff 0%,#ffffff00 17%),linear-gradient(0deg,#fff 0%,#ffffff00 13%);pointer-events:none}
/* Five capabilities */
.features{padding:20px 0 calc(var(--space)*.5)}.feature-grid{display:grid;grid-template-columns:repeat(5,1fr)}.feature{padding:0 16px;text-align:center;border-right:1px solid var(--line)}.feature:last-child{border:0}.feature-icon{width:43px;height:43px;margin:0 auto 13px;color:#181a1b}.feature-icon svg{display:block;width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.feature h3{font-size:15px;font-weight:600;line-height:1.7;margin:0 0 5px;white-space:nowrap}.feature p{font-size:calc(13px * var(--text-scale));line-height:1.65;letter-spacing:.02em;color:#6f7074;margin:0}.visual-note{text-align:right;color:#888;font-size:10px;margin:17px 0 0}
/* Our world */
.world{isolation:isolate;position:relative;overflow:hidden;background:var(--soft);padding:calc(var(--space)*.7) 0;min-height:360px;display:flex;align-items:center}.world-art{width:61%}.world-art img{object-position:58% 50%}.world:after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,var(--soft) 0%,var(--soft) 36%,#f5f5f4d9 46%,#f5f5f400 65%)}.world-copy{width:62%}.eyebrow{font-size:13px;font-weight:400;letter-spacing:.04em;margin:0 0 17px}.world h3{font-size:clamp(25px,2.7vw,38px);line-height:1.5;font-weight:500;letter-spacing:.005em;margin:0 0 16px}.world p{font-size:calc(15px * var(--text-scale));line-height:1.8;letter-spacing:.02em;margin:0 0 10px}
/* Company and contact */
.company{padding:calc(var(--space)*.55) 0 calc(var(--space)*.4)}.company-grid{display:grid;grid-template-columns:1.05fr 1.8fr .95fr;gap:35px;align-items:start}.company-brand{padding:8px 0}.company-brand h2{font-size:28px;letter-spacing:-.02em;font-weight:600;line-height:1.5;margin:0 0 4px}.company-brand p{font-size:14px;color:var(--muted);letter-spacing:.04em;margin:0}.company-info{border-left:1px solid var(--line);border-right:1px solid var(--line);padding:0 28px;margin:0}.info-row{display:grid;grid-template-columns:105px 1fr;font-size:13px;gap:12px;line-height:1.7;margin-bottom:6px}.info-row:last-child{margin:0}dt{color:#686b70}dd{margin:0;overflow-wrap:anywhere}.pending{color:#7d7e82}.contact-options{display:grid;gap:10px;padding-top:0}.contact-item{width:100%;min-width:0;font-size:12px;padding:12px 14px;white-space:normal;text-align:center}.contact-item small{display:none}.contact-item[aria-disabled=true]{cursor:default}.contact-note{font-size:10px;color:#86878a;text-align:center;margin:0}
footer{padding:32px 0 22px}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}footer .logo-window{width:80px;height:21px;opacity:.4}footer .logo-window img{width:131px;left:-25px;top:-28px}footer .logo-window.custom-logo img{width:100%;left:0;top:0}footer small{font-size:11px;color:#888;letter-spacing:.01em}.back-top{font-size:11px;color:#777}.footer-right{display:flex;align-items:center;gap:28px}[data-edit-text]{white-space:pre-line}
@media(min-width:1700px){.hero{height:640px}.hero-copy{width:58%}.service{min-height:480px}.world{min-height:430px}}
@media(max-width:1100px){.header-inner{height:68px}.logo-window{width:115px;height:29px}.logo-window img{width:188px;left:-36px;top:-40px}.nav{gap:18px;font-size:11px}.nav .pill{padding:9px 23px;font-size:11px}.hero{min-height:395px;height:38.6vw;padding:82px 0 30px}.hero h1{font-size:5.4vw}.hero-company{margin-top:25px;font-size:15px}.hero-note{font-size:13px!important}.principle{padding:0 35px}.principle h3{font-size:2.8vw}.principle-label{font-size:13px}.service{min-height:350px;padding-top:20px}.service-copy{width:59%}.mechapri-logo{width:275px;margin-bottom:22px}.service h2{font-size:3vw}.body-copy{font-size:calc(13px * var(--text-scale))}.service .pill{min-width:220px;font-size:12px}.feature h3{font-size:13px}.feature p{font-size:calc(12px * var(--text-scale))}.feature-icon{width:36px;height:36px;margin-bottom:10px}.world{min-height:290px;padding-block:30px}.world h3{font-size:2.8vw}.world p{font-size:calc(13px * var(--text-scale))}.company-grid{gap:25px;grid-template-columns:1fr 1.8fr .9fr}.company-brand h2{font-size:24px}.company-brand p{font-size:12px}.company-info{padding:0 25px}.info-row{font-size:11px;grid-template-columns:90px 1fr;gap:10px}.contact-item{font-size:11px}}
@media(max-width:760px){.wrap{width:88%}.nav{display:none}.mobile-menu{display:block;font-size:12px}.mobile-menu summary{cursor:pointer;padding:10px 0}.mobile-menu nav{position:absolute;top:68px;left:0;right:0;padding:20px 6%;background:#fffffff5;display:grid;grid-template-columns:1fr 1fr;gap:14px;border-block:1px solid #ddd}.hero{height:auto;min-height:650px;align-items:start;padding:100px 0 315px}.hero-copy{width:100%}.hero h1{font-size:clamp(36px,8.5vw,58px);line-height:1.4}.hero-en{font-size:16px}.hero-company{font-size:14px;margin-top:24px}.hero-note{font-size:12px!important}.hero-art{width:100%;height:380px;top:auto;bottom:0}.hero-art img{object-position:65% 55%}.hero:after{background:linear-gradient(180deg,#fff 0%,#fff 38%,#ffffffb3 52%,#ffffff00 68%)}.philosophy{display:block;padding-block:32px}.principle,.principle:first-of-type,.principle:last-of-type{border:0;border-bottom:1px solid var(--line);padding:21px 0;display:grid;grid-template-columns:90px 1fr;gap:12px}.principle:last-of-type{border:0}.principle-label{font-size:12px;margin:5px 0}.principle h3{font-size:22px;line-height:1.55}.principle h3 br.desktop-break{display:none}.service{display:block;padding:15px 0 285px;min-height:0}.service-copy{width:100%;padding:0 0 20px}.mechapri-logo{width:255px;margin-bottom:20px}.service h2{font-size:clamp(24px,5.9vw,32px)}.body-copy{font-size:calc(13px * var(--text-scale));line-height:1.95}.service .pill{margin-top:10px;min-width:225px}.service-art{width:100%;height:300px;top:auto;bottom:0}.service-art img{object-position:50% 54%}.service-art:after{background:linear-gradient(180deg,#fff 0%,#ffffff00 18%,#ffffff00 82%,#fff 100%)}.features{padding:24px 0 30px}.feature-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}.feature{padding:0 10px}.feature:nth-child(2n){border:0}.feature:last-child{grid-column:1/-1;border:0}.feature h3{font-size:13px}.feature p{font-size:calc(12px * var(--text-scale))}.visual-note{text-align:center;margin-top:20px}.world{display:block;padding:32px 0 265px}.world-copy{width:100%}.world h3{font-size:clamp(23px,5.6vw,31px);line-height:1.65}.world p{font-size:calc(13px * var(--text-scale));line-height:1.9}.world-art{width:100%;height:285px;top:auto;bottom:0}.world-art img{object-position:50% 50%}.world:after{background:linear-gradient(180deg,var(--soft) 0%,var(--soft) 49%,#f5f5f400 67%)}.company{padding:34px 0 20px}.company-grid{grid-template-columns:1fr;gap:22px}.company-brand{padding:0}.company-brand h2{font-size:25px}.company-info{padding:18px 0;border:0;border-block:1px solid var(--line)}.info-row{font-size:12px;grid-template-columns:100px 1fr;margin-bottom:10px}.contact-options{grid-template-columns:1fr 1fr;gap:10px}.contact-item{font-size:11px;padding:12px 8px;min-height:45px}.contact-note{grid-column:1/-1}.footer-inner{align-items:end}.footer-right{display:block;text-align:right}footer{padding-top:18px}footer small{font-size:9px}.back-top{display:block;font-size:10px;margin-bottom:6px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.header{position:static}.mobile-menu,.back-top,.skip{display:none}.hero{min-height:350px;height:350px;padding-top:35px}.photo-pane{print-color-adjust:exact;-webkit-print-color-adjust:exact}.principle,.feature,.company{break-inside:avoid}}
/* 参考画像のコンパクトなセクション間隔に調整 */
@media(min-width:761px){.philosophy{padding-block:calc(var(--space)*.42)}.principle h3{font-size:clamp(23px,2.5vw,35px);line-height:1.35}.features{padding-top:8px;padding-bottom:24px}.feature-icon{margin-bottom:8px}.visual-note{margin-top:8px;font-size:9px}.service h2{font-size:clamp(25px,2.75vw,39px)}.world{padding-block:calc(var(--space)*.42)}.world p{line-height:1.7}.world h3{line-height:1.35;margin-bottom:13px}.world .eyebrow{margin-bottom:15px}}
@media(min-width:761px) and (max-width:1100px){.world{min-height:290px}.company{padding-top:24px;padding-bottom:18px}.company-grid{gap:22px}.service-copy{padding-top:8px;padding-bottom:12px}.service h2{font-size:2.75vw}.body-copy{letter-spacing:.01em}.service{padding-top:15px;min-height:350px}}
@media(max-width:760px){.service h2,.world h3{text-wrap:balance}.world{padding-bottom:305px}.world-art:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,var(--soft) 0%,#f5f5f400 17%)}}

/* MISSION・VISION・VALUE：すべての画面幅で縦に3行 */
.philosophy{display:flex;flex-direction:column;gap:0;padding-block:calc(var(--space)*.6)}
.philosophy .principle,.philosophy .principle:first-of-type,.philosophy .principle:last-of-type{display:grid;grid-template-columns:180px minmax(0,1fr);gap:32px;align-items:start;padding:26px 0;border:0;border-bottom:1px solid var(--line)}
.philosophy .principle:last-of-type{border-bottom:0}
.philosophy .principle-label{margin:8px 0 0;font-size:13px;letter-spacing:.1em}
.philosophy .principle h3{font-size:clamp(24px,2.5vw,34px);line-height:1.6;margin:0}
@media(max-width:760px){.philosophy{padding-block:26px}.philosophy .principle,.philosophy .principle:first-of-type,.philosophy .principle:last-of-type{grid-template-columns:84px minmax(0,1fr);gap:16px;padding:22px 0}.philosophy .principle-label{font-size:11px;margin-top:6px}.philosophy .principle h3{font-size:21px;line-height:1.6}}
/* お問い合わせ：会社情報の下、ページの最終コンテンツ */
.contact-section{padding:64px 0 70px;background:var(--soft);border-top:1px solid var(--line)}.contact-wrap{max-width:820px}.contact-heading{margin-bottom:36px}.contact-heading .eyebrow{font-size:12px;letter-spacing:.12em;margin-bottom:8px}.contact-heading h2{font-size:32px;font-weight:500;letter-spacing:.04em;line-height:1.5;margin:0 0 14px}.contact-heading>p:last-child{font-size:14px;color:#666;line-height:1.9}.form-field{margin-bottom:23px}.form-field label{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:500;margin-bottom:9px}.required-badge,.optional-badge{font-size:10px;line-height:1.4;padding:3px 7px;border-radius:3px;font-weight:400}.required-badge{background:#292a2c;color:white}.optional-badge{color:#777;border:1px solid #ccc}.form-field input,.form-field textarea{width:100%;display:block;border:1px solid #cfd0d2;background:#fff;color:var(--ink);border-radius:4px;padding:13px 15px;font:inherit;font-size:16px;line-height:1.6}.form-field textarea{resize:vertical;min-height:170px}.form-field input:focus,.form-field textarea:focus{outline:2px solid var(--accent);outline-offset:2px;border-color:transparent}.contact-help,.contact-status{font-size:12px;line-height:1.8;color:#666}.contact-submit{cursor:pointer;min-width:260px;margin-top:8px}.contact-submit:disabled{opacity:.45;cursor:not-allowed}.contact-status:empty{display:none}
@media(max-width:760px){.contact-section{padding:40px 0 45px}.contact-heading h2{font-size:27px}.contact-heading>p:last-child{font-size:13px}.contact-heading{margin-bottom:28px}.contact-submit{width:100%}.form-field{margin-bottom:20px}}

/* Footer privacy policy */
.privacy-link{display:inline;color:#777;font-size:11px;line-height:1.5;text-decoration:underline;text-underline-offset:3px;white-space:nowrap}.privacy-link:hover{color:var(--ink);opacity:1}.footer-right{flex-wrap:wrap;justify-content:flex-end}
@media(max-width:760px){.privacy-link{display:inline-block;font-size:10px;margin-bottom:12px}}