*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--white:#fff;--black:#000;--blue:#3566AF;--blue-light:#A1D5F1;--blue-mid:#58A4CD;--teal:#5FB4BB;--green:#73AD33;--green-light:#B2D672;--yellow:#ECBB40;--yellow-light:#F3DF7B;--blue-soft:#87BDE1;--teal-light:#A7DCE0;--gray:#D9D9D9;--gray-light:#F5F5F5;--font:"Yu Gothic","YuGothic","Hiragino Sans","Meiryo",sans-serif}
html{scroll-behavior:smooth}
body{font-family:var(--font);font-weight:500;color:var(--black);line-height:1.8;background:var(--white);overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}

.sp-only{display:none}

/* ===== NAV ===== */
.gnavi{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--blue-light);height:60px}
.gnavi-inner{max-width:1440px;margin:0 auto;height:100%;display:flex;align-items:center;justify-content:flex-end;padding:0 120px}
.gnavi-links{display:flex;gap:60px}
.gnavi-link{font-size:18px;font-weight:700;line-height:60px;border-bottom:5px solid var(--blue);transition:opacity .2s}
.gnavi-link:hover{opacity:.7}
.hamburger{display:none;background:none;border:none;padding:8px;cursor:pointer;position:fixed;top:12px;right:20px;z-index:200}
.hamburger span{display:block;width:24px;height:2px;background:var(--blue);margin:6px 0;transition:.3s}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,6px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-6px)}
.mobile-menu{display:none;position:fixed;inset:0;background:rgba(255,255,255,.97);z-index:150;flex-direction:column;justify-content:center;align-items:center;gap:30px}
.mobile-menu.active{display:flex}
.mobile-menu-item{font-size:22px;font-weight:700}

/* ===== HERO ===== */
.hero{background:var(--blue-light);height:860px;padding-top:60px;overflow:hidden;position:relative}
.hero-inner{max-width:1440px;margin:0 auto;position:relative;height:800px}
.hero-left{position:absolute;top:10px;left:58px;z-index:3}
.hero-vision-label{display:inline-block;background:var(--blue);color:var(--white);font-size:30px;font-weight:700;padding:6px 30px;border-radius:5px;margin-bottom:12px}
.hero-title-wrap{margin-bottom:6px;white-space:nowrap}
.hero-title{display:inline-block;background:var(--white);font-size:46px;font-weight:700;line-height:1.5;padding:4px 16px;white-space:nowrap}
.hero-subtitle-wrap{margin-bottom:10px;white-space:nowrap}
.hero-subtitle-wrap-inner{display:inline-block;background:var(--white);font-size:28px;font-weight:700;line-height:1.6;padding:4px 16px;white-space:nowrap}
.hero-lead-wrap{}
.hero-lead-wrap-inner{display:inline-block;background:var(--white);font-size:22px;font-weight:700;line-height:1.6;padding:8px 16px}
.hero-photo-area{position:absolute;top:150px;left:40%;right:-100px;z-index:1}
.hero-blob-bg{position:absolute;left:132px;top:404px;width:538px;height:285px;z-index:2}
.hero-photo-blob{width:100%}
.hero-bottom-area{position:absolute;top:490px;left:220px;z-index:4;display:flex;align-items:flex-start;gap:12px;max-width:380px}
.hero-description{font-size:16px;font-weight:700;color:var(--white);line-height:1.6;padding-top:0}
.hero-scroll-text{font-size:20px;font-weight:700;color:var(--white);writing-mode:vertical-rl;letter-spacing:.1em;flex-shrink:0}
.scroll-arrow{flex-shrink:0;width:3px;height:100px;position:relative;background:var(--white)}.scroll-arrow::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);border-left:8px solid transparent;border-right:8px solid transparent;border-top:12px solid var(--white)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

/* Hero bottom: PC vs SP visibility */
.hero-bottom-pc{display:flex}
.hero-bottom-sp{display:none}

/* ===== COMMON ===== */
.section-heading{font-size:36px;font-weight:700;line-height:1.6;text-align:center;margin-bottom:30px}
.wavy-divider{padding:15px 120px;overflow:hidden}
.wavy-divider img{width:100%;height:auto}

/* ===== VISION ===== */
.vision-section{padding:60px 0 40px}
.vision-inner{max-width:1200px;margin:0 auto;padding:0 40px}
.vision-header{text-align:center;margin-bottom:20px}
.vision-label-main{font-size:20px;font-weight:700;line-height:1.6}
.vision-label-sub{font-size:36px;font-weight:700;line-height:1.6}
.vision-description{font-size:18px;line-height:1.6;max-width:950px;margin:0 auto 50px}
.triple-circles{display:flex;justify-content:center;position:relative;margin-bottom:40px}
.circle{width:380px;height:380px;border-radius:50%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:50px;background:transparent}
.circle h3{font-size:25px;font-weight:700;line-height:1.6;margin-bottom:10px}
.circle p{font-size:18px;line-height:1.6}
.circle-nature{border:12px solid var(--green);margin-right:-43px;z-index:1}
.circle-human{border:12px solid var(--yellow);z-index:2}
.circle-economy{border:12px solid var(--blue-mid);margin-left:-43px;z-index:1}

/* ===== STRENGTHS ===== */
.strengths-section{padding:0 0 40px}
.strengths-inner{max-width:1440px;margin:0 auto;padding:0 120px}
.strengths-title{font-size:30px;font-weight:700;text-align:center;margin-bottom:12px;line-height:1.6}
.strengths-description{font-size:18px;line-height:1.6;max-width:900px;margin:0 auto 30px;text-align:center}
.strengths-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;align-items:stretch}
.strength-card{position:relative;padding-top:20px;display:flex;flex-direction:column;align-items:center}
.strength-card-label{position:relative;z-index:1;display:inline-block;background:var(--blue);color:var(--white);font-size:20px;font-weight:700;padding:8px 0;border-radius:5px;width:200px;text-align:center}
.strength-card-body{background:var(--blue-light);padding:30px 20px 30px;border-radius:5px;margin-top:-18px;flex:1;text-align:left}
.strength-card-body h4{font-size:22px;font-weight:700;line-height:1.5;margin-bottom:12px;text-align:center}
.strength-card-body p{font-size:18px;line-height:1.78}

/* ===== WORKSHOP ===== */
.workshop-section{padding:40px 0 0}
.workshop-inner{max-width:1440px;margin:0 auto;padding:0 115px}
.workshop-subtitle{font-size:30px;font-weight:700;line-height:1.6;text-align:center;margin-bottom:24px}
.workshop-intro{font-size:18px;line-height:1.78;max-width:950px;margin:0 auto 40px}
.workshop-photo-area{margin:0 auto 40px;background:var(--gray-light);padding:50px 40px 30px;border-radius:0;text-align:center}
.workshop-slider{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;max-width:100%;margin:0 auto;position:relative;scrollbar-width:none}
.workshop-slider::-webkit-scrollbar{display:none}
.workshop-slide{flex:0 0 80%;border-radius:5px;border:14px solid #819FCD;cursor:pointer;scroll-snap-align:start;display:block}
.workshop-dots{display:flex;justify-content:center;gap:18px;margin-top:20px}
.workshop-dot{width:15px;height:15px;border-radius:50%;border:3px solid var(--blue)}
.workshop-dot.active{background:var(--blue)}

/* ===== PROCESS ===== */
.process-section{padding:40px 0 60px}
.process-inner{max-width:1200px;margin:0 auto;padding:0 40px}
.process-description{font-size:18px;line-height:1.78;max-width:950px;margin:0 auto 16px}
.process-note{font-size:14px;line-height:1.71;max-width:950px;margin:0 auto 50px}
.steps{max-width:950px;margin:0 auto;position:relative}
.steps::before{content:'';position:absolute;top:160px;bottom:160px;left:79px;width:6px;background:var(--gray);z-index:0}
.step{display:flex;gap:30px;align-items:flex-start;position:relative;z-index:1;margin-bottom:80px}
.step-left{flex-shrink:0;width:164px;display:flex;justify-content:center}
.step-circle{width:137px;height:137px;border-radius:50%;background:var(--gray);display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;z-index:2;box-shadow:0 -20px 0 0 var(--white),0 20px 0 0 var(--white)}
.step-s{font-size:25px;font-weight:700;line-height:1}
.step-n{font-size:35px;font-weight:700;line-height:1.1}
.step-right{flex:1;padding-top:15px}
.step-right h4{font-size:25px;font-weight:700;line-height:1.6;margin-bottom:6px}
.step-right p{font-size:18px;line-height:1.78}
.step-connector{display:none}
.step-connector-long{display:none}
.step-images{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.step-images img{width:100%;border-radius:5px;object-fit:cover;aspect-ratio:16/10}
.workshop-block{border:6px solid var(--blue-light);border-radius:10px;padding:30px 40px 30px;background:transparent;position:relative;z-index:1;padding-bottom:30px;margin-bottom:30px}
.workshop-block .step-left{margin-left:-40px}
.workshop-block .step:last-child{margin-bottom:10px}
.workshop-block .step-connector{}
.workshop-block-label{display:block;font-size:25px;font-weight:700;padding:16px 40px;text-align:center;margin:0 auto 20px;background:var(--blue-light);border-radius:5px;width:fit-content}

/* ===== THEMES ===== */
.themes-section{padding:40px 0 60px}
.themes-inner{max-width:1440px;margin:0 auto;padding:0 180px}
.theme-card{border-radius:28px;padding:45px 57px 22px 58px;margin-bottom:33px}
.tc-1{background:var(--teal-light)}
.tc-2{background:var(--blue-light)}
.tc-3{background:var(--yellow-light)}
.tc-4{background:var(--green-light)}
.tc-5{background:var(--blue-soft)}
.tc-header{margin-bottom:12px}
.tc-num{font-size:25px;font-weight:700;display:block;margin-bottom:2px}
.tc-header h3{font-size:25px;font-weight:700;line-height:1.6}
.tc-body{display:flex;gap:20px;align-items:flex-start}
.tc-icon{width:129px;flex-shrink:0;margin-top:4px}
.tc-text{flex:1}
.tc-text p{font-size:18px;line-height:1.78;margin-bottom:8px}
.tc-more{display:block;text-align:right;font-size:18px;text-decoration:underline;text-underline-offset:4px}
.tc-more:hover{opacity:.7}

/* ===== CONTACT ===== */
.contact-section{padding:56px 270px;text-align:center}
.contact-description{font-size:18px;line-height:1.78;margin-bottom:50px}
.contact-button{display:inline-block;background:var(--blue);color:var(--white);font-size:25px;font-weight:700;padding:20px 80px;border-radius:10px;transition:opacity .2s}
.contact-button:hover{opacity:.8}
.contact-email{font-size:14px;margin-top:20px;color:#666}
.contact-email-addr{font-size:16px;color:var(--blue);cursor:pointer;margin-top:8px;text-decoration:underline;text-underline-offset:3px;transition:opacity .2s}
.contact-email-addr:hover{opacity:.7}

/* ===== FOOTER ===== */
.footer{background:var(--gray);padding:60px 40px}
.footer-inner{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:24px}
.footer-row{display:flex;font-size:18px;line-height:1.78}
.footer-label{min-width:100px;flex-shrink:0;font-weight:700}
.footer-colon{flex-shrink:0;margin-right:16px}

/* ===== RESPONSIVE ===== */
@media(max-width:1200px){
  .gnavi-inner{padding:0 40px}
  .gnavi-links{gap:30px}
  .hero{height:750px}
  .hero-inner{height:690px}
  .hero-left{left:30px}
  .hero-title{font-size:40px}
  .hero-subtitle-wrap-inner{font-size:26px}
  .hero-lead-wrap-inner{font-size:20px}
  .hero-photo-area{left:35%;right:-60px}
  .hero-bottom-area{left:120px;max-width:330px;top:460px}
  .hero-blob-bg{left:60px;top:380px;width:450px}
  .strengths-inner{padding:0 40px}
  .themes-inner{padding:0 40px}
  .workshop-inner{padding:0 40px}
  .contact-section{padding:56px 40px}
  .circle{width:320px;height:320px;padding:40px}
  .circle h3{font-size:22px}
  .circle p{font-size:16px}
  .circle-nature{margin-right:-35px}
  .circle-economy{margin-left:-35px}
}
@media(max-width:768px){
  /* === SP-ONLY LINE BREAKS === */
  .sp-only{display:inline}

  /* === NAV === */
  .gnavi-inner{display:none}
  .hamburger{display:block}
  .gnavi{height:50px;background:var(--blue-light)}

  /* === HERO === */
  .hero{height:auto;min-height:auto;padding-top:50px;overflow:hidden}
  .hero-inner{height:auto;padding:20px 0 0;display:flex;flex-direction:column;align-items:stretch;gap:10px}
  .hero-left{position:relative;top:auto;left:auto;display:flex;flex-direction:column;align-items:center;text-align:center;width:100%;gap:20px;padding:0 20px 30px}
  .hero-vision-label{font-size:20px;padding:5px 30px;margin-bottom:0;border-radius:5px}
  .hero-title-wrap{white-space:normal;width:100%;margin-bottom:0}
  .hero-title{font-size:28px;white-space:normal;display:block;padding:0 10px;text-align:center;line-height:1.6;border-radius:5px;min-height:84px;display:flex;align-items:center;justify-content:center}
  .hero-subtitle-wrap{white-space:normal;width:100%;margin-bottom:0}
  .hero-subtitle-wrap-inner{font-size:24px;white-space:normal;display:block;padding:5px 10px;text-align:center;line-height:1.6;border-radius:5px}
  .hero-lead-wrap{width:100%}
  .hero-lead-wrap-inner{font-size:18px;display:block;padding:5px 10px;text-align:center;line-height:1.78;border-radius:5px}
  .hero-photo-area{position:relative;top:auto;left:auto;right:auto;width:calc(100% - 10px);margin:0 0 0 30px}
  .hero-blob-bg{display:none}
  /* Hide PC hero bottom, show SP hero bottom */
  .hero-bottom-pc{display:none !important}
  .hero-bottom-sp{display:flex;flex-direction:column;align-items:center;width:100%;padding:20px 30px;gap:10px}
  .hero-desc-sp{font-size:18px;text-align:left;color:var(--blue);font-weight:700;line-height:1.6;width:100%}
  .hero-scroll-sp{display:flex;flex-direction:row;align-items:center;gap:5px}
  .hero-scroll-sp span{font-size:14px;writing-mode:vertical-rl;color:var(--white);font-weight:700;width:32px;height:58px;display:flex;align-items:center;justify-content:center}
  .hero-arrow-sp{width:3px;height:60px;background:var(--white);position:relative}
  .hero-arrow-sp::after{content:'';position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);border-left:6px solid transparent;border-right:6px solid transparent;border-top:10px solid var(--white)}

  /* === COMMON === */
  .section-heading{font-size:20px;margin-bottom:20px}
  .wavy-divider{padding:5px 30px}

  /* === VISION === */
  .vision-section{padding:40px 0 30px}
  .vision-inner{padding:0 20px}
  .vision-header{margin-bottom:16px}
  .vision-label-main{font-size:14px}
  .vision-label-sub{font-size:22px}
  .vision-description{font-size:14px;line-height:1.8;margin-bottom:30px}
  .triple-circles{flex-direction:column;align-items:center;margin-bottom:20px}
  .circle{width:290px;height:290px;padding:30px;margin:0 !important;margin-bottom:20px !important;border-width:10px}
  .circle:last-child{margin-bottom:0 !important}
  .circle h3{font-size:18px;margin-bottom:6px}
  .circle p{font-size:13px;line-height:1.6}

  /* === STRENGTHS === */
  .strengths-section{padding:0 0 30px}
  .strengths-inner{padding:0 20px}
  .strengths-title{font-size:20px;margin-bottom:10px}
  .strengths-description{font-size:14px;line-height:1.8;text-align:left;margin-bottom:20px}
  .strengths-cards{grid-template-columns:1fr;gap:20px;align-items:start}
  .strength-card{padding-top:16px}
  .strength-card-label{font-size:16px;padding:6px 0;width:170px}
  .strength-card-body{flex:none;padding:24px 16px 20px;margin-top:-14px}
  .strength-card-body h4{font-size:18px;margin-bottom:8px}
  .strength-card-body p{font-size:14px;line-height:1.8}

  /* === WORKSHOP === */
  .workshop-section{padding:30px 0 0}
  .workshop-inner{padding:0 20px}
  .workshop-subtitle{font-size:18px;line-height:1.8;margin-bottom:16px}
  .workshop-intro{font-size:14px;line-height:1.8;margin-bottom:24px}
  .workshop-photo-area{padding:20px 0 16px;margin-bottom:24px;margin-left:-20px;margin-right:-20px;padding-left:16px;padding-right:16px}
  .workshop-slide{border-width:8px;flex:0 0 85%}
  .workshop-dots{gap:12px;margin-top:14px}
  .workshop-dot{width:12px;height:12px;border-width:2px}

  /* === PROCESS / STEPS === */
  .process-section{padding:30px 0 40px}
  .process-inner{padding:0 20px}
  .process-description{font-size:14px;line-height:1.8;margin-bottom:12px}
  .process-note{font-size:12px;line-height:1.7;margin-bottom:30px}
  .steps::before{display:none}
  .step{flex-direction:column;align-items:center;gap:8px;margin-bottom:24px}
  .step-left{width:auto}
  .step-circle{width:80px;height:80px;box-shadow:none}
  .step-s{font-size:14px}
  .step-n{font-size:22px}
  .step-right{padding-top:0;text-align:left;width:100%}
  .step-right h4{font-size:18px;margin-bottom:4px}
  .step-right p{font-size:14px;line-height:1.8}
  .step-connector{display:none}
  .step-connector-long{display:none}
  .step-images{grid-template-columns:1fr;gap:10px;margin-top:12px}
  .workshop-block{border:6px solid var(--blue-light);border-radius:10px;padding:20px 15px;margin:0 0 20px;background:transparent}
  .workshop-block .step-left{margin-left:0}
  .workshop-block .step:last-child{margin-bottom:24px}
  .workshop-block-label{display:none}

  /* === THEMES === */
  .themes-section{padding:30px 0 40px}
  .themes-inner{padding:0 20px}
  .theme-card{padding:20px 20px 18px;border-radius:16px;margin-bottom:20px}
  .tc-header{text-align:center;margin-bottom:10px}
  .tc-num{font-size:20px;text-align:center}
  .tc-header h3{font-size:18px;text-align:center;line-height:1.6}
  .tc-body{flex-direction:column;align-items:center;gap:12px}
  .tc-icon{width:60px;flex-shrink:0;margin:0 auto}
  .tc-text{text-align:left}
  .tc-text p{font-size:14px;line-height:1.8;margin-bottom:6px}
  .tc-more{text-align:center;font-size:16px}

  /* === CONTACT === */
  .contact-section{padding:36px 20px;text-align:center}
  .contact-description{font-size:14px;line-height:1.8;margin-bottom:30px}
  .contact-button{font-size:18px;padding:14px 44px;border-radius:8px}

  /* === FOOTER === */
  .footer{padding:30px 20px}
  .footer-inner{gap:16px}
  .footer-row{flex-direction:column;font-size:14px;line-height:1.7}
  .footer-label{min-width:auto;margin-bottom:2px}
  .footer-colon{display:none}
}
