@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;600;700&family=Noto+Sans+JP:wght@300;400;500;600&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --navy:#1F3A5F;
  --navy-dark:#162c4a;
  --navy-mid:#2a4a6e;
  --slate:#6F7F8F;
  --gold:#C9A227;
  --text:#2F3742;
  --bg:#f5f6f8;
  --white:#ffffff;
  --border:#e2e6ea;
}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans JP',sans-serif;color:var(--text);background:var(--white);font-size:18px;line-height:1.85}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--white);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1280px;margin:0 auto;padding:0 40px;display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{text-decoration:none;color:var(--navy);flex-shrink:0;display:flex;align-items:center;line-height:1}
.nav-logo strong{font-family:'Noto Serif JP',serif;font-size:18px;font-weight:700;display:block}
.nav-logo span{font-size:11px;color:var(--slate);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:24px;list-style:none}
.nav-links a{text-decoration:none;color:var(--text);font-size:15px;font-weight:500;white-space:nowrap}
.nav-links a:hover{color:var(--navy)}
.nav-cta{background:var(--navy);color:var(--white)!important;padding:10px 18px;border-radius:4px;font-size:15px;font-weight:600;text-decoration:none;white-space:nowrap}
.nav-cta:hover{background:var(--navy-dark)!important;color:var(--white)!important}
.nav-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.nav-hamburger span{display:block;width:24px;height:2px;background:var(--navy);border-radius:2px}
.nav-mobile{display:none;position:fixed;top:64px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--border);padding:20px 24px;z-index:99;flex-direction:column}
.nav-mobile.open{display:flex}
.nav-mobile a{text-decoration:none;color:var(--text);font-size:16px;font-weight:500;padding:14px 0;border-bottom:1px solid var(--border)}
.nav-mobile a:last-child{border-bottom:none;margin-top:8px;background:var(--navy);color:var(--white)!important;text-align:center;border-radius:4px;padding:14px}

/* HERO */
#hero{padding:120px 40px 80px;display:grid;grid-template-columns:1fr 1fr;gap:60px;max-width:1280px;margin:0 auto;align-items:center;min-height:100vh}
.hero-text{min-width:0}
.hero-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--navy);color:var(--navy);padding:6px 14px;border-radius:4px;font-size:14px;font-weight:600;margin-bottom:28px}
.hero-badge::before{content:'';width:7px;height:7px;background:var(--navy);border-radius:50%;display:inline-block}
.hero-title{font-family:'Noto Serif JP',serif;font-size:clamp(28px,3.2vw,44px);font-weight:700;line-height:1.4;color:var(--navy);margin-bottom:24px}
.hero-sub{font-size:18px;color:var(--slate);line-height:1.9;margin-bottom:36px;max-width:480px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn-primary{background:var(--navy);color:var(--white);padding:15px 30px;border-radius:4px;font-size:17px;font-weight:600;text-decoration:none;border:2px solid var(--navy)}
.btn-primary:hover{background:var(--navy-dark);border-color:var(--navy-dark)}
.btn-secondary{background:transparent;color:var(--navy);padding:15px 30px;border-radius:4px;font-size:17px;font-weight:600;text-decoration:none;border:2px solid var(--navy)}
.btn-secondary:hover{background:var(--navy);color:var(--white)}

/* Hero diagram */
.hero-diagram{display:flex;align-items:center;justify-content:center;padding:20px 0}

/* SECTION COMMON */
section{padding:100px 40px}
.section-inner{max-width:1280px;margin:0 auto}
.section-label{display:block;text-align:center;font-size:11px;letter-spacing:.18em;color:var(--gold);font-weight:600;margin-bottom:14px;text-transform:uppercase}
.section-title{font-family:'Noto Serif JP',serif;font-size:clamp(26px,3vw,40px);font-weight:700;color:var(--navy);text-align:center;margin-bottom:16px}
.section-sub{text-align:center;color:var(--slate);font-size:18px;line-height:1.9;margin-bottom:60px}

/* CHALLENGES */
#challenges{background:var(--bg)}
.challenges-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.challenge-card{background:var(--white);border-radius:6px;padding:32px 28px;border-left:4px solid var(--gold);position:relative}
.challenge-icon{width:40px;height:40px;background:var(--bg);border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.challenge-icon svg{width:20px;height:20px;stroke:var(--slate);fill:none;stroke-width:1.5}
.challenge-card h3{font-size:17px;font-weight:700;color:var(--text);margin-bottom:8px}
.challenge-card p{font-size:16px;color:var(--slate);line-height:1.75}

/* SERVICES */
#services{background:var(--white)}
.service-hero{background:var(--navy);border-radius:8px;padding:40px 48px;display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-bottom:24px;align-items:center}
.service-hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(201,162,39,.15);border:1px solid rgba(201,162,39,.4);color:var(--gold);font-size:14px;font-weight:600;padding:4px 12px;border-radius:4px;margin-bottom:20px}
.service-hero .star-icon{color:var(--gold);font-size:20px}
.service-hero h3{font-family:'Noto Serif JP',serif;font-size:30px;font-weight:700;color:var(--white);margin-bottom:16px}
.service-hero p{color:rgba(255,255,255,.8);font-size:17px;line-height:1.9;margin-bottom:20px}
.service-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.tag{background:rgba(255,255,255,.1);color:rgba(255,255,255,.85);font-size:14px;padding:4px 12px;border-radius:20px}
.btn-gold{background:var(--gold);color:var(--white);padding:13px 26px;border-radius:4px;font-size:16px;font-weight:600;text-decoration:none;display:inline-block}
.btn-gold:hover{background:#b8901f}
.mt-flow{background:rgba(255,255,255,.07);border-radius:6px;padding:24px}
.mt-flow-label{font-size:11px;letter-spacing:.15em;color:rgba(255,255,255,.5);margin-bottom:16px;display:block}
.mt-step{display:flex;align-items:center;gap:14px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.mt-step:last-child{border-bottom:none}
.mt-step-num{width:30px;height:30px;background:rgba(201,162,39,.2);border:1.5px solid var(--gold);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:14px;font-weight:700;flex-shrink:0}
.mt-step span{color:rgba(255,255,255,.85);font-size:16px}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.service-card{background:var(--white);border:1.5px solid var(--border);border-radius:6px;padding:28px 24px}
.service-card-icon{width:36px;height:36px;background:var(--bg);border-radius:6px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.service-card-icon svg{width:18px;height:18px;stroke:var(--slate);fill:none;stroke-width:1.5}
.service-card h3{font-size:17px;font-weight:700;color:var(--text);margin-bottom:10px}
.service-card p{font-size:15px;color:var(--slate);line-height:1.75;margin-bottom:14px}
.service-card .tags{display:flex;flex-wrap:wrap;gap:6px}
.service-card .tags span{background:var(--bg);color:var(--slate);font-size:13px;padding:3px 10px;border-radius:20px}

/* WHY */
#why{background:var(--bg)}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.why-card{background:var(--white);border:1.5px solid var(--border);border-radius:6px;padding:32px 28px}
.why-card.featured{background:var(--navy);border-color:var(--navy);position:relative;overflow:hidden}
.why-icon{width:44px;height:44px;background:var(--bg);border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.why-card.featured .why-icon{background:rgba(255,255,255,.15)}
.why-icon svg{width:20px;height:20px;stroke:var(--slate);fill:none;stroke-width:1.5}
.why-card.featured .why-icon svg{stroke:var(--gold)}
.why-card h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:12px}
.why-card p{font-size:16px;color:var(--slate);line-height:1.8}
.why-card.featured h3{color:var(--white)}
.why-card.featured p{color:rgba(255,255,255,.75)}

/* APPROACH */
#approach{background:var(--white)}
.approach-steps{display:grid;grid-template-columns:repeat(5,1fr);border-radius:8px;overflow:hidden}
.approach-step{padding:36px 28px;position:relative}
.approach-step:nth-child(1){background:#1F3A5F}
.approach-step:nth-child(2){background:#2a4a6e}
.approach-step:nth-child(3){background:#335880}
.approach-step:nth-child(4){background:#3d6891}
.approach-step:nth-child(5){background:var(--gold)}
.approach-num{font-size:28px;font-weight:700;color:rgba(255,255,255,.25);margin-bottom:16px;display:block}
.approach-step h3{font-family:'Noto Serif JP',serif;font-size:20px;font-weight:700;color:var(--white);margin-bottom:4px}
.approach-step .en{font-size:11px;color:rgba(255,255,255,.5);letter-spacing:.1em;margin-bottom:16px;display:block}
.approach-step p{font-size:15px;color:rgba(255,255,255,.8);line-height:1.8}
.approach-note{text-align:center;color:var(--slate);font-size:15px;margin-top:32px}

/* CASES */
#cases{background:var(--bg)}
.cases-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case-card{background:var(--white);border-radius:6px;padding:36px 32px;border:1.5px solid var(--border)}
.case-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.case-tag{background:var(--bg);color:var(--text);font-size:14px;font-weight:600;padding:4px 12px;border-radius:4px}
.case-client{font-size:14px;color:var(--slate)}
.case-card h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:20px;line-height:1.5}
.case-label{font-size:14px;font-weight:700;color:var(--gold);margin-bottom:6px;display:block}
.case-card p{font-size:16px;color:var(--slate);line-height:1.75;margin-bottom:16px}
.case-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding-top:16px;margin-top:8px}
.case-period{font-size:14px;color:var(--slate)}
.case-link{font-size:14px;font-weight:600;color:var(--navy);text-decoration:none;display:flex;align-items:center;gap:4px}
.case-link:hover{text-decoration:underline}

/* COMPANY */
#company{background:var(--white)}
.company-inner{display:grid;grid-template-columns:380px 1fr;gap:48px;align-items:start}
.rep-card{background:var(--white);border:1.5px solid var(--border);border-radius:6px;padding:32px}
.rep-avatar{width:64px;height:64px;background:#d8e2ec;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.rep-avatar svg{width:32px;height:32px;stroke:#8fa0b0;fill:none;stroke-width:1.5}
.rep-label{font-size:11px;letter-spacing:.15em;color:var(--gold);font-weight:600;margin-bottom:6px;display:block}
.rep-name{font-family:'Noto Serif JP',serif;font-size:22px;font-weight:700;color:var(--text);margin-bottom:4px}
.rep-title{font-size:15px;color:var(--slate);margin-bottom:16px}
.rep-bio{font-size:16px;color:var(--slate);line-height:1.85}
.company-table{border-collapse:collapse;width:100%}
.company-table tr{border-bottom:1px solid var(--border)}
.company-table tr:last-child{border-bottom:none}
.company-table td{padding:18px 16px;font-size:16px;vertical-align:top}
.company-table td:first-child{color:var(--slate);width:140px;font-weight:500}
.company-table td:last-child{color:var(--text)}
.company-link{display:inline-flex;align-items:center;gap:6px;color:var(--navy);font-size:16px;font-weight:600;text-decoration:none;margin-top:24px}
.company-link:hover{text-decoration:underline}

/* CONTACT CTA */
#contact{background:var(--navy);padding:100px 40px;text-align:center;position:relative;overflow:hidden}
#contact::before{content:'';position:absolute;top:-80px;left:-80px;width:300px;height:300px;border:1px solid rgba(255,255,255,.05);border-radius:50%}
#contact::after{content:'';position:absolute;bottom:-60px;right:-60px;width:240px;height:240px;border:1px solid rgba(255,255,255,.05);border-radius:50%}
.contact-label{font-size:11px;letter-spacing:.18em;color:var(--gold);font-weight:600;margin-bottom:20px;display:block}
.contact-title{font-family:'Noto Serif JP',serif;font-size:clamp(28px,3.5vw,44px);font-weight:700;color:var(--white);margin-bottom:20px}
.contact-sub{color:rgba(255,255,255,.7);font-size:18px;line-height:1.9;margin-bottom:44px}
.contact-btns{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-bottom:28px}
.btn-contact-primary{background:var(--gold);color:var(--white);padding:16px 36px;border-radius:4px;font-size:16px;font-weight:700;text-decoration:none;border:2px solid var(--gold)}
.btn-contact-primary:hover{background:#b8901f;border-color:#b8901f}
.btn-contact-secondary{background:transparent;color:var(--white);padding:16px 36px;border-radius:4px;font-size:16px;font-weight:600;text-decoration:none;border:2px solid rgba(255,255,255,.4)}
.btn-contact-secondary:hover{background:rgba(255,255,255,.1)}
.contact-note{color:rgba(255,255,255,.45);font-size:13px}

/* FOOTER */
footer{background:#111e2e;padding:60px 40px 0}
.footer-inner{max-width:1280px;margin:0 auto;display:flex;justify-content:center;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand{display:flex;flex-direction:column;align-items:center;text-align:center}
.footer-brand svg{display:block;margin:0 auto 16px}
.footer-tagline{font-size:15px;color:rgba(255,255,255,.5);line-height:1.8;margin:0 0 16px}
.footer-address{font-size:14px;color:rgba(255,255,255,.4);line-height:2}
.footer-col h4{color:var(--gold);font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,.6);text-decoration:none;font-size:15px}
.footer-col ul li a:hover{color:var(--white)}
.footer-bottom{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:20px 0}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.3)}
.footer-bottom-links{display:flex;gap:24px}
.footer-bottom-links a{font-size:13px;color:rgba(255,255,255,.3);text-decoration:none}
.footer-bottom-links a:hover{color:rgba(255,255,255,.6)}

/* PAGE（プライバシーポリシー等の固定ページ）*/
.page-wrap{max-width:800px;margin:0 auto;padding:120px 40px 100px}
.page-title{font-family:'Noto Serif JP',serif;font-size:clamp(24px,3vw,36px);font-weight:700;color:var(--navy);margin-bottom:12px}
.page-date{font-size:14px;color:var(--slate);margin-bottom:60px}
.policy-section{margin-bottom:48px}
.policy-section h2{font-family:'Noto Serif JP',serif;font-size:20px;font-weight:700;color:var(--navy);margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--border)}
.policy-section p{font-size:16px;color:var(--text);line-height:1.9;margin-bottom:16px}
.policy-section p:last-child{margin-bottom:0}
.policy-section ul{font-size:16px;color:var(--text);line-height:1.9;padding-left:1.5em;margin-bottom:16px}
.policy-section ul li{margin-bottom:8px}

/* RESPONSIVE */
@media(max-width:1100px){
  .nav-links{gap:16px}
  .nav-links a{font-size:14px}
  .nav-cta{font-size:14px;padding:8px 14px}
}
@media(max-width:860px){
  .nav-inner{padding:0 20px}
  .nav-links{display:none}
  .nav-hamburger{display:flex}
  #hero{grid-template-columns:1fr;min-height:auto;padding:100px 24px 60px;gap:0}
  .hero-text{text-align:center}
  .hero-badge{justify-content:center}
  .hero-sub{max-width:100%}
  .hero-btns{justify-content:center}
  .hero-diagram{margin-top:40px}
  .challenges-grid{grid-template-columns:repeat(2,1fr)}
  .service-hero{grid-template-columns:1fr}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .approach-steps{grid-template-columns:1fr}
  .company-inner{grid-template-columns:1fr}
  .cases-grid{grid-template-columns:1fr}
  .page-wrap{padding:100px 24px 80px}
}
@media(max-width:600px){
  section{padding:70px 20px}
  #hero{padding:100px 20px 60px}
  .challenges-grid,.why-grid,.service-grid{grid-template-columns:1fr}
  footer{padding:40px 20px 0}
  .footer-bottom{flex-direction:column;gap:12px;text-align:center}
  .contact-btns{flex-direction:column;align-items:center}
  .hero-btns{flex-direction:column}
  .btn-primary,.btn-secondary{text-align:center}
}

/* PAGE CONTENT（汎用固定ページ）*/
.page-content{font-size:16px;color:var(--text);line-height:1.9}
.page-content h2{font-family:'Noto Serif JP',serif;font-size:22px;font-weight:700;color:var(--navy);margin:40px 0 16px;padding-bottom:10px;border-bottom:2px solid var(--border)}
.page-content h3{font-size:18px;font-weight:700;color:var(--navy);margin:32px 0 12px}
.page-content p{margin-bottom:16px}
.page-content ul,.page-content ol{padding-left:1.5em;margin-bottom:16px}
.page-content li{margin-bottom:8px}
.page-content a{color:var(--navy);text-decoration:underline}
.page-content a:hover{opacity:.75}

/* =====================
   お問い合わせページ
   ===================== */
.page-contact .page-wrap{max-width:680px}

/* CF7 全体 */
.wpcf7{width:100%}
.wpcf7-form{display:flex;flex-direction:column;gap:0}

/* 各フィールド行 */
.cf7-row{display:flex;flex-direction:column;gap:8px;margin-bottom:28px}

/* ラベル */
.cf7-row label{font-size:15px;font-weight:600;color:var(--text)}
.cf7-row label .required{color:var(--gold);margin-left:4px}

/* テキスト・メール・セレクト・テキストエリア共通 */
.wpcf7-form-control.wpcf7-text,
.wpcf7-form-control.wpcf7-email,
.wpcf7-form-control.wpcf7-select,
.wpcf7-form-control.wpcf7-textarea{
  width:100%;
  padding:12px 16px;
  font-size:16px;
  font-family:'Noto Sans JP',sans-serif;
  color:var(--text);
  background:var(--white);
  border:1.5px solid var(--border);
  border-radius:6px;
  outline:none;
  transition:border-color .2s;
  appearance:none;
  -webkit-appearance:none;
}
.wpcf7-form-control.wpcf7-text:focus,
.wpcf7-form-control.wpcf7-email:focus,
.wpcf7-form-control.wpcf7-select:focus,
.wpcf7-form-control.wpcf7-textarea:focus{
  border-color:var(--navy);
  box-shadow:0 0 0 3px rgba(31,58,95,.08);
}

/* セレクトボックス矢印 */
.wpcf7-form-control.wpcf7-select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236F7F8F' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  padding-right:44px;
  cursor:pointer;
}

/* テキストエリア */
.wpcf7-form-control.wpcf7-textarea{
  min-height:160px;
  resize:vertical;
  line-height:1.75;
}

/* 同意チェックボックス */
.cf7-agree{flex-direction:row;align-items:center;gap:10px;margin-bottom:36px}
.cf7-agree label{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:400;color:var(--text);cursor:pointer}
.wpcf7-form-control.wpcf7-acceptance .wpcf7-list-item{margin:0}
.wpcf7-form-control.wpcf7-acceptance input[type="checkbox"]{
  width:18px;height:18px;flex-shrink:0;
  accent-color:var(--navy);cursor:pointer;
}
.cf7-agree a{color:var(--navy);text-decoration:underline}

/* 送信ボタン */
.wpcf7-form-control.wpcf7-submit{
  background:var(--navy);
  color:var(--white);
  border:none;
  padding:15px 48px;
  font-size:17px;
  font-family:'Noto Sans JP',sans-serif;
  font-weight:600;
  border-radius:6px;
  cursor:pointer;
  transition:background .2s;
  width:100%;
}
.wpcf7-form-control.wpcf7-submit:hover{background:var(--navy-dark)}

/* 送信完了後のボタン */
.wpcf7-form.sent .wpcf7-submit{
  background:#4a7c59;
  cursor:default;
  pointer-events:none;
}

/* バリデーションエラー */
.wpcf7-not-valid-tip{font-size:13px;color:#c0392b;margin-top:4px;display:block}
.wpcf7-form-control.wpcf7-not-valid{border-color:#c0392b}

/* 送信完了・エラーメッセージ */
.wpcf7-response-output{
  margin-top:32px;
  padding:20px 24px;
  border-radius:8px;
  font-size:16px;
  font-weight:600;
  text-align:center;
  border:none !important;
}
.wpcf7-mail-sent-ok{
  background:#1F3A5F;
  color:#ffffff;
  padding:32px 24px !important;
  font-size:18px !important;
}
.wpcf7-mail-sent-ok::before{
  content:'✓ ';
  font-size:22px;
  margin-right:8px;
}
.wpcf7-mail-sent-ng,.wpcf7-aborted{background:#fdecea;color:#c0392b}
.wpcf7-spam-blocked{background:#fff8e1;color:#7a5c00}

@media(max-width:600px){
  .wpcf7-form-control.wpcf7-submit{padding:14px 24px;font-size:16px}
}