/* ===== 山もも守り隊 ===== */
:root{
  --ink:#272c22;
  --green-900:#1d2a20;
  --green-800:#26382b;
  --green-700:#34503c;
  --green-500:#5d7a5f;
  --sage:#8fa589;
  --sea:#3a6e84;
  --cream:#f3efe2;
  --paper:#fbfaf3;
  --line:#ddd7c4;
  --maxw:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Noto Sans JP',sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:'Noto Serif JP',serif;font-weight:600;line-height:1.4}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:100;
  transition:background .3s,box-shadow .3s;
}
.site-header__inner{
  max-width:var(--maxw);margin:0 auto;padding:18px 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.brand{text-decoration:none;display:flex;flex-direction:column;line-height:1.25}
.brand__name{font-family:'Noto Serif JP',serif;font-weight:700;font-size:1.32rem;color:#fff;letter-spacing:.06em}
.brand__sub{font-size:.66rem;color:#fff;letter-spacing:.22em;opacity:.85}
.nav{display:flex;align-items:center;gap:30px}
.nav a{text-decoration:none;color:#fff;font-size:.92rem;font-weight:500;transition:opacity .2s}
.nav a:hover{opacity:.65}
.nav__cta{
  border:1px solid rgba(255,255,255,.7);border-radius:999px;
  padding:8px 20px;
}
.site-header.scrolled{background:var(--paper);box-shadow:0 2px 18px rgba(0,0,0,.08)}
.site-header.scrolled .brand__name,
.site-header.scrolled .brand__sub,
.site-header.scrolled .nav a{color:var(--ink)}
.site-header.scrolled .nav__cta{border-color:var(--green-700);background:var(--green-700);color:#fff}
.site-header.scrolled .nav-toggle span{background:var(--ink)}

.nav-toggle{
  display:none;background:none;border:0;cursor:pointer;
  width:34px;height:28px;position:relative;
}
.nav-toggle span{
  display:block;height:2px;width:100%;background:#fff;border-radius:2px;
  position:absolute;left:0;transition:.3s;
}
.nav-toggle span:nth-child(1){top:3px}
.nav-toggle span:nth-child(2){top:13px}
.nav-toggle span:nth-child(3){top:23px}
.nav-toggle.open span:nth-child(1){top:13px;transform:rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){top:13px;transform:rotate(-45deg)}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:100vh;min-height:100svh;
  display:flex;align-items:center;justify-content:center;
  text-align:center;color:#fff;
  background:linear-gradient(rgba(20,30,22,.45),rgba(20,30,22,.62)),url('images/forest-hero.jpg');
  background-size:cover;background-position:center;
}
.hero__inner{max-width:760px;padding:120px 24px 90px}
.hero__eyebrow{font-size:.82rem;letter-spacing:.3em;margin-bottom:22px;opacity:.9}
.hero__title{
  font-size:clamp(2.7rem,7vw,4.6rem);letter-spacing:.1em;
  text-shadow:0 2px 24px rgba(0,0,0,.4);
}
.hero__tagline{
  font-family:'Noto Serif JP',serif;font-size:clamp(1.1rem,2.6vw,1.6rem);
  margin-top:20px;letter-spacing:.08em;
}
.hero__lead{
  font-size:.96rem;margin-top:24px;line-height:2.1;
  text-shadow:0 1px 10px rgba(0,0,0,.4);
}
.hero__scroll{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  color:#fff;text-decoration:none;font-size:1.5rem;animation:bob 2s infinite;
}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

.btn{
  display:inline-block;margin-top:34px;
  background:var(--green-700);color:#fff;text-decoration:none;
  padding:14px 40px;border-radius:999px;font-weight:500;
  letter-spacing:.08em;transition:transform .2s,background .2s;
}
.btn:hover{background:var(--green-800);transform:translateY(-2px)}

/* ===== Sections ===== */
.section{padding:clamp(64px,9vw,118px) 0}
.section--tint{background:var(--cream)}
.section--story{background:var(--paper);padding-bottom:0}
.section__eyebrow{
  font-size:.78rem;letter-spacing:.28em;color:var(--green-500);
  text-transform:uppercase;text-align:center;
}
.section__title{
  font-size:clamp(1.8rem,4.4vw,2.6rem);text-align:center;
  margin-top:10px;letter-spacing:.06em;color:var(--green-900);
}
.section__title::after{
  content:"";display:block;width:46px;height:3px;
  background:var(--sage);margin:22px auto 0;border-radius:2px;
}
.section__intro{text-align:center;margin-top:26px;color:#4a4f43}

/* ===== 事業内容 ===== */
.work-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:18px;margin-top:48px;
}
.work-card{
  background:var(--paper);border:1px solid var(--line);border-radius:14px;
  padding:30px 22px;text-align:center;
  border-top:4px solid var(--green-700);
}
.work-card h3{font-size:1.12rem;color:var(--green-800)}
.work-card p{font-size:.86rem;margin-top:12px;color:#555}

.info-band{
  display:flex;gap:0;margin-top:54px;
  border-radius:16px;overflow:hidden;border:1px solid var(--line);
}
.info-band img{width:46%;object-fit:cover}
.info-band__text{
  flex:1;padding:40px;background:var(--cream);
  display:flex;flex-direction:column;justify-content:center;gap:28px;
}
.info-block h3{font-size:1.15rem;color:var(--green-800);margin-bottom:12px}

.tag-list{list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.tag-list li{
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 18px;font-size:.86rem;
}
.section--tint .tag-list li{background:var(--paper)}

/* ===== 安全 ===== */
.safety-layout{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;
  margin-top:50px;align-items:start;
}
.safety-illust img{width:100%;border-radius:14px}
.safety-illust figure{margin-top:18px}
.safety-illust figcaption{font-size:.76rem;color:#777;margin-top:8px}
.check-list{list-style:none;display:flex;flex-direction:column;gap:16px}
.check-list li{
  background:var(--paper);border:1px solid var(--line);border-radius:12px;
  padding:18px 22px 18px 52px;position:relative;
}
.check-list li::before{
  content:"";position:absolute;left:20px;top:50%;
  width:16px;height:9px;border-left:3px solid var(--green-500);
  border-bottom:3px solid var(--green-500);
  transform:translateY(-70%) rotate(-45deg);
}
.quals{
  margin-top:50px;background:var(--green-800);color:#fff;
  border-radius:16px;padding:38px 40px;
}
.quals h3{font-size:1.2rem;margin-bottom:20px}
.quals .tag-list li{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.25);color:#fff}

/* ===== 物語：split ===== */
.split{
  display:flex;align-items:stretch;
  max-width:1280px;margin:0 auto;
}
.split--reverse{flex-direction:row-reverse}
.split__media{flex:1;min-height:440px}
.split__media img{width:100%;height:100%;object-fit:cover}
.split__text{
  flex:1;padding:clamp(40px,6vw,82px);
  display:flex;flex-direction:column;justify-content:center;
}
.split__text h3{
  font-size:clamp(1.4rem,3vw,1.95rem);color:var(--green-900);margin-bottom:22px;
}
.split__text p{margin-bottom:16px}
.split__text .tag-list{margin:6px 0 20px}
.lead-line{
  font-family:'Noto Serif JP',serif;font-size:1.15rem;
  color:var(--green-700);font-weight:600;
}

/* ===== 物語：quote band ===== */
.quote-band{
  position:relative;background-size:cover;background-position:center;
  color:#fff;padding:clamp(80px,12vw,150px) 24px;
}
.quote-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(rgba(20,30,22,.5),rgba(20,30,22,.66));
}
.quote-band__inner{
  position:relative;max-width:680px;margin:0 auto;text-align:center;
}
.quote-band__inner h3{
  font-size:clamp(1.7rem,4.5vw,2.7rem);letter-spacing:.1em;margin-bottom:26px;
  text-shadow:0 2px 16px rgba(0,0,0,.4);
}
.quote-band__inner p{margin-bottom:14px;text-shadow:0 1px 10px rgba(0,0,0,.45)}

/* ===== 物語：保育間伐 解説 ===== */
.explainer{
  max-width:780px;margin:clamp(64px,9vw,110px) auto 0;
  background:var(--cream);border:1px solid var(--line);
  border-radius:18px;padding:clamp(34px,5vw,60px);
}
.explainer h3{
  font-size:clamp(1.4rem,3vw,1.9rem);color:var(--green-900);
  text-align:center;margin-bottom:8px;
}
.explainer__imgs{display:flex;gap:14px;margin:26px 0 30px}
.explainer__imgs img{
  width:50%;height:200px;object-fit:cover;border-radius:12px;
}
.explainer p{margin-bottom:16px}
.explainer .lead-line{text-align:center;margin:24px 0}

/* ===== 代表 ===== */
.profile{
  display:flex;gap:48px;margin-top:50px;align-items:center;
}
.profile__photo{flex:0 0 38%}
.profile__photo img{width:100%;border-radius:16px}
.profile__name{
  font-family:'Noto Serif JP',serif;font-size:1.3rem;font-weight:600;
  color:var(--green-900);margin-bottom:18px;
}
.profile__text p{margin-bottom:14px}

/* ===== お問い合わせ ===== */
.contact{
  display:flex;gap:34px;margin-top:48px;align-items:stretch;
  flex-wrap:wrap;
}
.contact__card{
  flex:1;min-width:300px;
  background:var(--green-800);color:#fff;border-radius:18px;
  padding:clamp(32px,4vw,48px);
}
.contact__list{list-style:none;display:flex;flex-direction:column;gap:20px}
.contact__list li{
  display:flex;flex-direction:column;gap:4px;
  border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:16px;
}
.contact__label{font-size:.74rem;letter-spacing:.2em;color:var(--sage)}
.contact__list a{font-size:1.2rem;text-decoration:none}
.contact__list a:hover{text-decoration:underline}
.contact__note{font-size:.84rem;margin-top:22px;color:rgba(255,255,255,.8);line-height:1.8}
.contact__logo{
  flex:0 0 280px;display:flex;align-items:center;justify-content:center;
}
.contact__logo img{border-radius:14px;width:100%}

/* ===== Footer ===== */
.site-footer{background:var(--green-900);color:#fff;padding:54px 0;text-align:center}
.site-footer__brand{font-family:'Noto Serif JP',serif;font-size:1.35rem;letter-spacing:.1em}
.site-footer__meta{font-size:.84rem;margin-top:12px;opacity:.8}
.site-footer__copy{font-size:.76rem;margin-top:22px;opacity:.55}

/* ===== reveal animation ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:900px){
  .nav-toggle{display:block;z-index:101}
  .nav{
    position:fixed;top:0;right:0;height:100vh;width:min(78vw,320px);
    background:var(--paper);flex-direction:column;justify-content:center;
    gap:30px;transform:translateX(100%);transition:transform .35s;
    box-shadow:-10px 0 40px rgba(0,0,0,.15);
  }
  .nav.open{transform:translateX(0)}
  .nav a{color:var(--ink);font-size:1.05rem}
  .nav__cta{border-color:var(--green-700);background:var(--green-700);color:#fff}
  .info-band{flex-direction:column}
  .info-band img{width:100%;height:240px}
  .safety-layout{grid-template-columns:1fr;gap:32px}
  .split,.split--reverse{flex-direction:column}
  .split__media{min-height:280px}
  .profile{flex-direction:column;gap:28px}
  .profile__photo{flex:none;width:100%;max-width:380px}
}
@media(max-width:560px){
  .container{padding:0 18px}
  .hero__inner{padding:110px 20px 80px}
  .hero__title{font-size:2.5rem;letter-spacing:.05em}
  .explainer__imgs img{height:140px}
  .contact__logo{flex:1 1 100%}
}