@charset "utf-8";

/* =======================
   BASE
======================= */
:root{
  --bg: #ffffff;
  --text: #111111;
  --subtext: #555;
  --accent: #0aa7ff;
  --card: #eef6ff;
  --border: #ddd;
  --max: 1100px;
}

*{ box-sizing: border-box; }

html, body{
  margin: 0;
  padding: 0;
}

body{
  background: var(--bg);
  color: var(--text);
  font-family: "Montserrat", "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.7;
}

img{
  max-width: 100%;
  height: auto;
  display: block;
}

a{
  color: var(--accent);
  text-decoration: none;
  transition: .2s;
}

a:hover{ opacity: .8; }

/* =======================
   HEADER
======================= */
.header{
  border-bottom: 1px solid var(--border);
  background: #fff;
}

.header-inner{
  width: min(var(--max), 92vw);
  margin: 0 auto;
  padding: 16px 0;
}

.menu{
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.menu a{
  font-size: 14px;
  font-weight: 600;
  color: #111;
}

.menu a:hover{
  color: var(--accent);
}

/* =======================
   CONTACT PAGE
======================= */
.contact-page{
  width: min(var(--max), 92vw);
  margin: 80px auto;
}

.contact-title{
  text-align: center;
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 40px;
}

.contact-card{
  background: var(--card);
  border-radius: 24px;
  padding: 40px 20px;
  text-align: center;
  margin-bottom: 60px;
}

.contact-card p{
  margin-bottom: 10px;
  color: var(--subtext);
}

.contact-email{
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  margin-top: 10px;
}

/* SNS */
.sns-section{
  text-align: center;
}

.sns-section h2{
  font-size: 20px;
  margin-bottom: 24px;
}

.sns-grid{
  display: grid;
  gap: 20px;
  max-width: 500px;
  margin: 0 auto;
}

.sns-item{
  display: block;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  font-weight: 600;
  color: var(--text);
  background: #fff;
  transition: .2s;
}

.sns-item:hover{
  background: var(--card);
  transform: translateY(-2px);
}

/* =======================
   FOOTER
======================= */
.footer{
  border-top: 1px solid var(--border);
  padding: 40px 0;
  text-align: center;
  font-size: 12px;
  margin-top: 80px;
}

/* =======================
   RESPONSIVE
======================= */
@media (max-width: 768px){
  .contact-title{
    font-size: 22px;
  }

  .contact-card{
    padding: 30px 16px;
  }
}