/* ========================================
   TOPページ
======================================== */


/* =========================
   4色背景システム
========================= */

:root{
  --tone-1-bg:#fffdf8;
  --tone-1-button:#6f8f6b;
  --tone-1-button-hover:#4f6f4d;

  --tone-2-bg:#eef4eb;
  --tone-2-button:#5f7f5c;
  --tone-2-button-hover:#486846;

  --tone-3-bg:#f7f3ea;
  --tone-3-button:#88735a;
  --tone-3-button-hover:#6f5d48;

  --tone-4-bg:#f4eee8;
  --tone-4-button:#76695e;
  --tone-4-button-hover:#5f554d;
}

.top-section.section-tone-1{
  background:var(--tone-1-bg);
}

.top-section.section-tone-2{
  background:var(--tone-2-bg);
}

.top-section.section-tone-3{
  background:var(--tone-3-bg);
}

.top-section.section-tone-4{
  background:var(--tone-4-bg);
}

.top-section.section-tone-1 .btn-primary{
  background:var(--tone-1-button);
  border-color:var(--tone-1-button);
  color:#fff;
}

.top-section.section-tone-1 .btn-primary:hover{
  background:var(--tone-1-button-hover);
  border-color:var(--tone-1-button-hover);
}

.top-section.section-tone-2 .btn-primary{
  background:var(--tone-2-button);
  border-color:var(--tone-2-button);
  color:#fff;
}

.top-section.section-tone-2 .btn-primary:hover{
  background:var(--tone-2-button-hover);
  border-color:var(--tone-2-button-hover);
}

.top-section.section-tone-3 .btn-primary{
  background:var(--tone-3-button);
  border-color:var(--tone-3-button);
  color:#fff;
}

.top-section.section-tone-3 .btn-primary:hover{
  background:var(--tone-3-button-hover);
  border-color:var(--tone-3-button-hover);
}

.top-section.section-tone-4 .btn-primary{
  background:var(--tone-4-button);
  border-color:var(--tone-4-button);
  color:#fff;
}

.top-section.section-tone-4 .btn-primary:hover{
  background:var(--tone-4-button-hover);
  border-color:var(--tone-4-button-hover);
}

.top-section.section-tone-1 .kicker{
  color:#4f6f4d;
}

.top-section.section-tone-2 .kicker{
  color:#486846;
}

.top-section.section-tone-3 .kicker{
  color:#756047;
}

.top-section.section-tone-4 .kicker{
  color:#695d53;
}


/* =========================
   ファーストビュー
========================= */

.hero{
  min-height:680px;
  display:flex;
  align-items:center;
  background:
    radial-gradient(
      circle at 85% 20%,
      rgba(111,143,107,.18),
      transparent 32%
    ),
    radial-gradient(
      circle at 15% 80%,
      rgba(230,205,166,.25),
      transparent 34%
    ),
    linear-gradient(
      180deg,
      #fffdf8 0%,
      #faf7ef 100%
    );
}

.hero-inner{
  max-width:900px;
  padding:92px 0 84px;
}

.eyebrow{
  display:inline-block;
  margin-bottom:18px;
  color:var(--accent-dark);
  font-size:15px;
  font-weight:700;
  letter-spacing:.14em;
}

.hero h1{
  margin:0 0 30px;
  font-size:clamp(3rem,7vw,6.6rem);
  line-height:.95;
  letter-spacing:-.045em;
}

.hero-copy{
  margin:0 0 28px;
  font-family:
    "Yu Mincho",
    "Hiragino Mincho ProN",
    "Noto Serif JP",
    serif;
  font-size:clamp(1.6rem,3vw,2.4rem);
  line-height:1.5;
  font-weight:600;
}

.hero-message{
  max-width:760px;
  margin-bottom:34px;
}

.hero-message p{
  margin:0 0 14px;
  color:#505050;
  font-size:17px;
  line-height:1.9;
}

.hero-message p:last-child{
  margin-bottom:0;
}

.hero .actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}


/* =========================
   共通
========================= */

.top-section .section-head{
  max-width:850px;
  margin-bottom:42px;
}

.top-section .section-intro{
  max-width:800px;
  font-size:16px;
  line-height:1.9;
}

.top-section p{
  font-size:16px;
  line-height:1.9;
}


/* =========================
   STORY
========================= */

.story-summary{
  padding:80px 0;
}

.story-summary-inner{
  width:100%;
  margin:0;
}

.story-summary-head{
  margin-bottom:40px;
}

.story-summary-head .kicker{
  display:block;
  margin:0 0 8px;
  padding:0;
  text-align:left;
}

.story-summary-head h2{
  margin:0;
  padding:0;
  text-align:left;
  font-size:clamp(2rem,4vw,3.4rem);
  line-height:1.2;
}

.story-summary-timeline{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:stretch;
}

.story-summary-item{
  box-sizing:border-box;
  min-height:240px;
  padding:30px 28px;
  background:rgba(255,255,255,.58);
  border:1px solid rgba(79,111,77,.22);
}

.story-summary-year{
  display:inline;
  color:var(--accent-dark);
  font-size:17px;
  font-weight:700;
}

.story-summary-place{
  display:inline;
  margin-left:2px;
  font-size:17px;
  font-weight:700;
}

.story-summary-item p{
  margin:18px 0 0;
  font-size:16px;
  line-height:1.9;
}

.story-summary-message{
  margin:44px 0 0;
  text-align:center;
  font-size:18px;
  line-height:1.9;
  font-weight:700;
}

.story-summary-message p{
  margin:0;
  font-size:18px;
}

.story-summary-button{
  margin-top:30px;
  text-align:center;
}

.story-summary-button .btn{
  min-width:300px;
}


/* =========================
   4つの支援
========================= */

#support .section-head{
  max-width:980px;
  margin:0 auto 48px;
  text-align:center;
}

#support .section-head .kicker{
  display:block;
  text-align:center;
}

#support .section-head h2{
  text-align:center;
}

#support .section-intro{
  max-width:850px;
  margin-left:auto;
  margin-right:auto;
  text-align:center;
  font-size:17px;
  line-height:1.9;
}

.support-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
  width:100%;
  max-width:1120px;
  margin:0 auto;
}

.support-card{
  min-height:330px;
  box-sizing:border-box;
  padding:38px 36px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:22px;
}

.support-card .num{
  color:var(--accent-dark);
  font-size:16px;
  font-weight:800;
}

.support-card h3{
  margin:22px 0 18px;
  font-size:1.55rem;
  line-height:1.4;
}

.support-card p{
  margin:0 0 16px;
  color:var(--muted);
  font-size:17px;
  line-height:1.9;
}

.support-card p:last-child{
  margin-bottom:0;
}

.support-card .support-card-lead{
  color:var(--text);
  font-size:17px;
  font-weight:700;
  line-height:1.8;
}


/* =========================
   設立支援
========================= */

.founding-head{
  max-width:850px;
  margin-bottom:34px;
}

.founding-head h2{
  margin:8px 0 20px;
  font-size:clamp(2rem,4vw,3.4rem);
  line-height:1.3;
}

.founding-lead{
  margin:0;
  font-size:18px !important;
  font-weight:700;
}

.founding-message{
  max-width:800px;
}

.founding-message p{
  margin:0 0 1.35em;
  font-size:16px;
  line-height:2;
}

.founding-emphasis{
  margin:32px 0 !important;
  color:var(--accent-dark);
  font-family:
    "Yu Mincho",
    "Hiragino Mincho ProN",
    "Noto Serif JP",
    serif;
  font-size:clamp(1.25rem,2.4vw,1.6rem) !important;
  font-weight:700;
  line-height:1.9 !important;
}

.top-founding-action{
  margin-top:38px;
}

.top-founding-action .btn{
  min-width:320px;
}

.top-founding-note{
  margin:14px 0 0;
  color:var(--muted);
  font-size:15px !important;
}


/* =========================
   2カラム
========================= */

.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:34px;
  align-items:start;
}

.panel{
  box-sizing:border-box;
  padding:40px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
}

.panel h3{
  margin-top:0;
  font-size:1.65rem;
}


/* =========================
   仲間募集
========================= */

.staff-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  margin:22px 0 0;
  padding:0;
  list-style:none;
}

.staff-list li{
  padding:12px 14px;
  background:var(--soft);
  border-radius:14px;
  font-size:15px;
}


/* =========================
   支援の流れ
========================= */

.flow{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}

.flow-card{
  padding:30px 28px;
  background:#fff;
  border-top:3px solid var(--accent);
}

.flow-card b{
  color:var(--accent-dark);
  font-size:15px;
}

.flow-card h3{
  margin:18px 0 12px;
  font-size:1.25rem;
}

.flow-card p{
  margin:0;
  font-size:16px;
  line-height:1.85;
}


/* =========================
   活動報告
========================= */

.posts{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}

.post-card{
  padding:26px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
}

.post-card time{
  color:var(--muted);
  font-size:15px;
}

.post-card h3{
  margin:16px 0 12px;
}

.post-card p{
  margin:0;
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
}


/* =========================
   シェア
========================= */

.share-section{
  max-width:850px;
}

.share-section h2{
  margin-bottom:22px;
}

.share-section p{
  max-width:760px;
  font-size:16px;
  line-height:1.9;
}

.share-message{
  margin-top:22px;
  font-weight:700;
}

.share-section .share-links{
  display:flex;
  justify-content:flex-start;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  margin-top:32px;
}

.share-section .share-btn{
  appearance:none;
  -webkit-appearance:none;

  display:inline-flex;
  align-items:center;
  justify-content:center;

  width:150px;
  height:50px;

  padding:0;
  margin:0;

  border:1px solid var(--accent);
  border-radius:999px;

  background:#fff;
  color:var(--accent-dark);

  font-family:inherit;
  font-size:15px;
  font-weight:700;
  line-height:1;

  text-decoration:none;
  cursor:pointer;
  box-sizing:border-box;

  transition:
    background .2s,
    color .2s,
    transform .2s;
}

.share-section .share-btn:hover{
  background:var(--accent-dark);
  border-color:var(--accent-dark);
  color:#fff;
  transform:translateY(-2px);
}


/* =========================
   最後の設立支援
========================= */

.top-support-route{
  padding:75px 20px;
  background:var(--bg);
  text-align:center;
}

.top-support-route .container{
  max-width:820px;
}

.top-support-route h2{
  margin:0 0 24px;
  font-size:clamp(1.8rem,3.5vw,2.7rem);
  line-height:1.4;
}

.top-support-route p{
  max-width:720px;
  margin:0 auto 18px;
  font-size:16px;
  line-height:1.9;
}

.top-support-route .top-support-route-message{
  margin:30px auto;
  color:var(--accent-dark);
  font-family:
    "Yu Mincho",
    "Hiragino Mincho ProN",
    "Noto Serif JP",
    serif;
  font-size:clamp(1.45rem,3vw,2rem);
  font-weight:700;
}

.top-support-route .btn{
  min-width:320px;
  min-height:54px;
}


/* =========================
   タブレット
========================= */

@media(max-width:980px){

  .split{
    grid-template-columns:1fr;
  }

  .posts{
    grid-template-columns:1fr 1fr;
  }

}


/* =========================
   スマートフォン
========================= */

@media(max-width:640px){

  .hero{
    min-height:auto;
  }

  .hero-inner{
    padding:70px 0 64px;
  }

  .hero h1{
    font-size:3.4rem;
  }

  .hero-copy{
    font-size:1.55rem;
  }

  .hero-message p{
    font-size:16px;
  }

  .hero .actions{
    display:grid;
    grid-template-columns:1fr;
  }

  .hero .actions .btn{
    width:100%;
  }

  .story-summary{
    padding:60px 0;
  }

  .story-summary-head{
    margin-bottom:30px;
  }

  .story-summary-timeline{
    grid-template-columns:1fr;
    gap:16px;
  }

  .story-summary-item{
    min-height:0;
    padding:26px 22px;
  }

  .story-summary-message{
    margin-top:36px;
  }

  .story-summary-button .btn{
    width:100%;
    min-width:0;
  }

  #support .section-head{
    margin-bottom:36px;
    text-align:left;
  }

  #support .section-head .kicker,
  #support .section-head h2,
  #support .section-intro{
    text-align:left;
  }

  .support-grid{
    grid-template-columns:1fr;
    gap:18px;
  }

  .support-card{
    min-height:0;
    padding:30px 24px;
  }

  .support-card h3{
    font-size:1.4rem;
  }

  .support-card p,
  .support-card .support-card-lead{
    font-size:16px;
  }

  .panel{
    padding:28px 22px;
  }

  .top-founding-action .btn{
    width:100%;
    min-width:0;
  }

  .staff-list{
    grid-template-columns:1fr;
  }

  .flow{
    grid-template-columns:1fr;
  }

  .posts{
    grid-template-columns:1fr;
  }

  .share-section .share-links{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:10px;
  }

  .share-section .share-btn{
    width:100%;
    min-width:0;
    padding:0 12px;
    transform:none;
  }

  .share-section .share-btn:hover{
    transform:none;
  }

  .top-support-route{
    padding:60px 20px;
  }

  .top-support-route .btn{
    width:100%;
    min-width:0;
  }

}