body{
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f4f6f8;
  color: #222;
}

.site-header{
  background: #ffffff;
  border-bottom: 1px solid #d9dee3;
  padding: 16px;
  text-align: center;
}

.tagline{
  margin: 6px 0 0 0;
  color: #555;
}

.wrap{
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
  padding: 16px;
  display: grid;
  gap: 14px;
}

.card{
  background: #ffffff;
  border: 1px solid #d9dee3;
  border-radius: 12px;
  padding: 16px;
}

.hero-img{
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
  border-radius: 12px;
  border: 1px solid #d9dee3;
  margin: 10px auto 14px auto;
}

.video-frame{
  max-width: 640px;
  margin: 10px auto 0 auto;
  border: 1px solid #d9dee3;
  border-radius: 12px;
  overflow: hidden;
}

.video-frame iframe{
  display: block;
  width: 100%;
  height: 315px;
  border: 0;
}

.small-note{
  margin: 10px 0 6px 0;
  color: #555;
}

form{
  display: grid;
  gap: 14px;
}

fieldset{
  border: 1px solid #d9dee3;
  border-radius: 12px;
  padding: 12px;
}

legend{
  font-weight: 700;
  padding: 0 6px;
}

label{
  display: block;
  font-weight: 700;
  margin-top: 10px;
}

.label-like{
  font-weight: 700;
  margin: 12px 0 6px 0;
}

input, select, textarea{
  width: 100%;
  padding: 10px;
  margin-top: 6px;
  border: 1px solid #c9cfd6;
  border-radius: 10px;
  font-size: 1rem;
}

input[type="radio"],
input[type="checkbox"]{
  width: auto;
  margin-right: 6px;
}

.row{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.help{
  margin-top: 6px;
  color: #555;
  font-size: 0.95rem;
}

.inline{
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  margin-top: 12px;
}

.button-row{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

button{
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid #0b5ed7;
  background: #0b5ed7;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

button.ghost{
  background: #ffffff;
  color: #0b5ed7;
}

.result{
  margin: 0;
  font-weight: 700;
  color: #0b5ed7;
}

.site-footer{
  text-align: center;
  padding: 14px;
  color: #666;
}