/* ============================================================
   個人稽古　お問い合わせフォーム（keiko.css の変数を使用）
   ============================================================ */
.kform-head { max-width: var(--measure); margin-bottom: clamp(32px, 4vw, 52px) }
.kform-head .label { display: block; margin-bottom: 1.4em }
.kform-head .dim { margin-top: 1.2em }

.kform-f { max-width: 880px }
.kf-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 clamp(20px, 3vw, 40px)
}
.kf-row { margin-bottom: clamp(22px, 2.6vw, 30px) }
.kf-l {
  display: block;
  margin-bottom: .7em;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--c-sub)
}
.kf-req {
  display: inline-block;
  margin-left: .8em;
  padding: .1em .6em;
  font-size: 10.5px;
  letter-spacing: .1em;
  border: 1px solid currentColor;
  color: var(--c-text);
  vertical-align: .1em
}
.kf-i {
  width: 100%;
  box-sizing: border-box;
  padding: .9em 1em;
  font: inherit;
  font-size: 16px;               /* スマホで勝手に拡大されない大きさ */
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--c-text);
  background: rgba(255, 255, 255, .06);
  border: 1px solid var(--line);
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color .3s, background .3s
}
.kf-i::placeholder { color: var(--c-muted) }
.kf-i:focus {
  outline: none;
  border-color: var(--c-text);
  background: rgba(255, 255, 255, .1)
}
select.kf-i {
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 20px) 55%, calc(100% - 15px) 55%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 2.6em
}
select.kf-i option { color: #222 }
.kf-t { min-height: 11em; resize: vertical }

.kf-choice {
  display: flex;
  flex-wrap: wrap;
  gap: .6em
}
.kf-choice label {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  padding: .7em 1.1em;
  font-size: 14px;
  letter-spacing: .06em;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: border-color .3s, background .3s
}
.kf-choice label:has(input:checked) {
  border-color: var(--c-text);
  background: rgba(255, 255, 255, .1)
}
.kf-choice input, .kf-agree input { accent-color: #fff; width: 16px; height: 16px; margin: 0 }

.kf-agree label {
  display: flex;
  gap: .8em;
  align-items: flex-start;
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--c-sub);
  cursor: pointer
}
.kf-agree input { flex: 0 0 auto; margin-top: .45em }

.kf-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden }

.kf-msg {
  min-height: 1.5em;
  margin: 0 0 1.2em;
  font-size: 13px;
  line-height: 1.8;
  color: #fff
}
.kf-msg.is-err {
  padding: .8em 1em;
  background: rgba(0, 0, 0, .25);
  border-left: 2px solid #fff
}
/* 送信ボタン：白地に赤文字。ブラウザ標準の灰色ボタンにならないよう全部指定 */
.kf-submit {
  display: block;
  width: 100%;
  max-width: 420px;
  box-sizing: border-box;
  padding: 1.35em 2em;
  font: inherit;
  font-size: var(--t-body);
  letter-spacing: .22em;
  line-height: 1;
  text-align: center;
  color: var(--paper);
  background: #fff;
  border: 1px solid #fff;
  border-radius: 0;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  transition: background .3s, color .3s
}
.kf-submit .en {
  display: block;
  margin-top: .8em;
  font-family: var(--en);
  font-size: var(--t-label);
  letter-spacing: var(--ls-label);
  color: rgba(107, 27, 27, .6)
}
.kf-submit:hover { background: rgba(255, 255, 255, .88) }
.kf-submit[disabled] { opacity: .5; cursor: wait }
.kf-i.is-bad { border-color: #fff; background: rgba(255, 255, 255, .16) }

@media (max-width: 820px) {
  .kf-grid { grid-template-columns: 1fr }
}