/* 日本ウォーターウォーク協会 サイト試作 共通スタイル */
:root{
  --blue:#0b5fa5;
  --blue-dark:#084a82;
  --blue-light:#eaf4fb;
  --accent:#f28c28;
  --text:#333;
  --gray:#666;
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP","Yu Gothic",sans-serif;
  color:var(--text);
  line-height:1.8;
  background:#fff;
}
a{color:var(--blue);}
header.site-header{
  background:var(--blue);
  color:#fff;
}
.header-inner{
  max-width:960px;
  margin:0 auto;
  padding:14px 16px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px;
}
.site-title{font-size:20px;font-weight:bold;}
.site-title small{display:block;font-size:12px;font-weight:normal;opacity:.85;}
nav.main-nav a{
  color:#fff;
  text-decoration:none;
  margin-left:18px;
  font-size:14px;
}
nav.main-nav a:hover{text-decoration:underline;}
main{max-width:960px;margin:0 auto;padding:0 16px 48px;}
.hero{
  background:linear-gradient(160deg,var(--blue) 0%,#2f8fd0 100%);
  color:#fff;
  border-radius:0 0 12px 12px;
  padding:40px 28px;
  margin:0 -16px 32px;
  text-align:center;
}
.hero h1{font-size:32px;margin:0 0 8px;}
.hero .catch{font-size:18px;margin:0 0 16px;}
.hero p{max-width:720px;margin:0 auto 20px;text-align:left;}
.cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.btn{
  display:inline-block;
  padding:12px 28px;
  border-radius:999px;
  text-decoration:none;
  font-weight:bold;
  font-size:16px;
}
.btn-main{background:var(--accent);color:#fff;}
.btn-sub{background:#fff;color:var(--blue);}
section{margin-bottom:40px;}
h2{
  font-size:22px;
  color:var(--blue-dark);
  border-left:6px solid var(--blue);
  padding-left:10px;
  margin:0 0 16px;
}
h3{font-size:17px;color:var(--blue-dark);margin:20px 0 8px;}
.site-logo{height:34px;width:auto;vertical-align:middle;margin-right:10px;background:#fff;border-radius:4px;padding:2px 4px;}
.photo-block{margin:18px auto;max-width:640px;text-align:center;}
.photo-block img{max-width:100%;height:auto;}
.photo-block figcaption{font-size:13px;color:var(--gray);margin-top:6px;}
.video-wrap{max-width:640px;margin:16px auto;text-align:center;}
.video-wrap iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:8px;}
.video-wrap .video-caption{font-size:13px;color:var(--gray);margin:8px 0 0;}
.info-note{background:var(--blue-light);border-radius:8px;padding:14px 18px;font-size:14px;margin:12px 0;}
.photo-note{
  background:var(--blue-light);
  border:1px dashed var(--blue);
  border-radius:8px;
  padding:16px;
  text-align:center;
  color:var(--blue-dark);
  font-size:14px;
  margin:12px 0;
}
blockquote.message{
  background:var(--blue-light);
  border-radius:8px;
  margin:0;
  padding:20px 24px;
}
blockquote.message p{margin:0 0 12px;}
ul.report-list{list-style:none;padding:0;margin:0;}
ul.report-list li{
  border-bottom:1px solid #ddd;
  padding:8px 4px;
  font-size:15px;
}
ul.report-list .date{color:var(--gray);margin-right:12px;font-size:13px;}
table.profile{
  border-collapse:collapse;
  width:100%;
  font-size:15px;
}
table.profile th,table.profile td{
  border:1px solid #c9dcea;
  padding:10px 14px;
  text-align:left;
  vertical-align:top;
}
table.profile th{
  background:var(--blue-light);
  color:var(--blue-dark);
  width:140px;
  white-space:nowrap;
}
.note-small{
  font-size:13px;
  color:var(--gray);
  border-top:1px solid #ddd;
  padding-top:16px;
}
.note-small h2{font-size:15px;border:none;padding:0;color:var(--gray);}
.placeholder{
  border:2px dashed var(--accent);
  border-radius:8px;
  padding:14px 18px;
  background:#fff8f0;
  font-size:14px;
  margin:12px 0;
}
.placeholder .ph-label{
  display:inline-block;
  background:var(--accent);
  color:#fff;
  font-size:12px;
  font-weight:bold;
  border-radius:4px;
  padding:1px 8px;
  margin-right:8px;
}
footer.site-footer{
  background:var(--blue-dark);
  color:#fff;
  font-size:14px;
}
.footer-inner{max-width:960px;margin:0 auto;padding:24px 16px;}
.footer-inner p{margin:4px 0;}
@media (max-width:640px){
  .hero h1{font-size:25px;}
  nav.main-nav a{margin-left:10px;}
  table.profile th{width:96px;}
}