@charset "UTF-8";

.bf *,
.bf *::before,
.bf *::after { box-sizing: border-box; }
.bf img { display: block; max-width: 100%; height: auto; }
:where(.bf) h1,
:where(.bf) p { margin: 0; }

.bf {
  overflow-x: clip;
  background-color: #000e1c;
  color: #fff;
}

.bf-bg {
  max-width: 1600px;
  margin: 0 auto;
  background: url(img/bg_mv_pc.jpg) no-repeat center top / 100% auto;
}

.bf-mv {
  padding: 80px 25px 30px;
  text-align: center;
}
.bf-mv__head {
  position: relative;
  max-width: 1158px;
  margin: 0 auto;
}
.bf-mv__txt img { width: 100%; }
.bf .bf-mv__label {
  position: absolute;
  top: 51%;
  left: 73%;
  z-index: 2;
  width: 25%;
  max-width: 290px;
  height: auto;
}
.bf-mv__lead {
  position: relative;
  margin-top: -10px;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: .06em;
  color: #fff;
}
.bf-mv__lead span { color: #ffe680; }
.bf-mv__period {
  max-width: 510px;
  margin: 28px auto 0;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, .5);
  border-bottom: 1px solid rgba(255, 255, 255, .5);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .04em;
}

.u-en { font-family: "Poppins", sans-serif; }

.bf-items {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px 0;
  color: #0b2346;
}

.bf-feature::before,
.bf-card::before {
  content: "";
  position: absolute;
  top: -10px;
  left: -12px;
  z-index: 2;
  width: 278px;
  height: 165px;
  background: url(img/item_ribbon.png) no-repeat left top / contain;
  pointer-events: none;
}

.bf-gas {
  font-size: 15px;
  line-height: 1.6;
}
.bf-gas strong { font-weight: 700; }
.bf-set {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 18px;
  margin: 14px 0 0;
  padding: 18px 20px;
  list-style: none;
  background: #fff;
  font-size: 15px;
  line-height: 1.5;
  text-align: left;
}
.bf-set li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.bf-set__num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #eee;
  font-size: 10px;
  font-weight: 600;
  color: #555;
}

.bf-price {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}
.bf-off {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 120px;
  background: url(img/off_bg.png) no-repeat center / contain;
  padding-top: 4px;
  font-style: italic;
  font-weight: 800;
  line-height: 1;
}
.bf-off__num,
.bf-off__txt {
  display: inline-block;
  padding-right: .12em;
  background: linear-gradient(180deg, #fffbe6 20%, #f3c75a 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 2px 2px rgba(60, 0, 0, .6));
}
.bf-off__num { font-size: 40px; letter-spacing: -.04em; }
.bf-off__num small { font-size: .5em; }
.bf-off__txt { margin-top: -2px; font-size: 20px; }
.bf-price__body { text-align: left; }
.bf-price__regular {
  font-size: 14px;
  color: #555;
  text-decoration: line-through;
}
.bf-price__sale {
  margin-top: 2px;
  font-size: 38px;
  font-weight: 700;
  line-height: 1.2;
  color: #d7000f;
}
.bf-price__sale span small { font-size: .65em; margin-right: 2px; }
.bf-price__sale > small { margin-left: 2px; font-size: 14px; }

.bf-btn {
  display: inline-block;
  width: 248px;
  max-width: 100%;
  padding: 17px 16px;
  border: 2px solid #0b2346;
  border-radius: 999px;
  background: #0b2346;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .1em;
  text-align: center;
  text-decoration: none;
  transition: background-color .2s, color .2s;
}
.bf-btn:hover { background: #fff; color: #0b2346; }

.bf-feature {
  position: relative;
  display: grid;
  grid-template-columns: 450px 1fr;
  gap: 76px;
  padding: 88px 48px 36px 62px;
  background: #f8f8f8;
}
.bf-feature__thumbs {
  display: flex;
  gap: 10px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}
.bf-feature__thumbs button {
  display: block;
  padding: 0;
  border: 2px solid transparent;
  background: none;
  cursor: pointer;
}
.bf-feature__thumbs button { width: 98px; opacity: .6; transition: opacity .2s; }
.bf-feature__thumbs button.is-active,
.bf-feature__thumbs button:hover { opacity: 1; }
.bf-feature__thumbs button.is-active { border-color: #0b2346; }
.bf-feature__body { padding-top: 0; }
.bf-feature__name {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .06em;
}
.bf-feature__sub {
  margin-top: 14px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
}
.bf-feature .bf-gas { margin-top: 22px; }
.bf-feature__buy {
  margin-top: 18px;
  text-align: center;
}
.bf-feature .bf-off { width: 125px; height: 125px; }
.bf-feature .bf-off__num { font-size: 46px; }
.bf-feature .bf-off__txt { font-size: 23px; }
.bf-feature .bf-price__sale { font-size: 44px; }
.bf-feature .bf-btn { margin-top: 0px; }

.bf-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 60px 42px;
  margin-top: 60px;
}
.bf-card {
  position: relative;
  padding: 72px 40px 48px;
  background: #f8f8f8;
  text-align: center;
}
.bf-card__img {
  position: relative;
  max-width: 320px;
  margin: 0 auto;
}

.bf-color {
  position: absolute;
  left: 12px;
  bottom: 12px;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.bf-color li {
  position: relative;
  width: 24px;
  height: 24px;
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .25);
}
.bf-color .white { background: #fff; }
.bf-color .black { background: #000; }
.bf-color .red   { background: #e8441f; }

.bf-color li::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .2);
}
.bf-card__name {
  margin: 20px 0 0;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .04em;
}

.bf-card__name span { display: inline-block; }
.bf-card .bf-gas { margin-top: 18px; font-size: 14px; }
.bf-card__note {
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.7;
  text-align: left;
}
.bf-card .bf-set { font-size: 12px; padding: 16px 18px; }
.bf-card .bf-set__num { width: 18px; height: 18px; font-size: 9px; }
.bf-card .bf-price { margin-top: 18px; }
.bf-card .bf-btn { margin-top: 4px; }

.bf-items { padding-bottom: 100px; }

.bf-closing {
  max-width: 1600px;
  margin: 0 auto;
  padding: 119px 25px 160px;
  background: url(img/closing_bg_pc.jpg) no-repeat center / cover;
  text-align: center;
}
.bf-closing__label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 26px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: .02em;
}
.bf-closing__label::before,
.bf-closing__label::after {
  content: "";
  width: 62px;
  border-top: 1px solid rgba(255, 255, 255, .6);
}
.bf-closing__ttl {
  margin: 40px 0 0;
  font-size: 46px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .04em;
}

.bf-closing__ttl span {
  display: inline-block;
  transform: skewX(-12deg);
}
.bf-closing__text {
  margin-top: 44px;
  font-size: 17px;
  font-weight: 700;
  line-height: 2;
  letter-spacing: .04em;
}
.bf-closing__text span { color: #ffe680; }
.bf-closing .bf-btn { margin-top: 48px; }

.bf-btn--white {
  width: 350px;
  border-color: #fff;
  background: #fff;
  color: #0b2346;
}
.bf-btn--white:hover {
  border-color: #fff;
  background: #0b2346;
  color: #fff;
}

@media (max-width: 768px) {
  .bf { padding-top: 40px; }
  .bf-bg {
    background-image: url(img/bg_mv_sp.jpg);
  }

  .bf-mv {
    padding: 4vw 0 6vw;
    overflow: hidden;
  }
  .bf-mv__head { width: 90.6%; }
  .bf .bf-mv__label {
    top: 64%;
    left: 71.7%;
    width: 35%;
  }
  .bf-mv__lead {
    margin-top: -1vw;
    font-size: 3.9vw;
    line-height: 1.85;
    letter-spacing: .04em;
  }
  .bf-mv__period {
    width: 63%;
    max-width: none;
    margin-top: 3.3vw;
    padding: 2.7vw 0;
    font-size: max(12px, 2.7vw);
  }

  .bf-items { padding: 20px 15px 0; }
  .bf-feature::before,
  .bf-card::before { top: -6px; left: -7px; width: 170px; height: 101px; }
  .bf-feature {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 64px 16px 32px;
  }
  .bf-feature__gallery { max-width: 300px; margin: 0 auto; }
  .bf-feature__thumbs button { width: 60px; }
  .bf-feature__name { font-size: 17px; letter-spacing: .03em; }
  .bf-feature__sub { margin-top: 10px; font-size: 12px; }
  .bf-feature__sub br { display: none; }
  .bf-feature .bf-gas { margin-top: 14px; }
  .bf-gas { font-size: 11px; }
  .bf-set { display: none; }
  .bf-price { gap: 10px; }
  .bf-price__body { min-width: 0; }
  .bf-off,
  .bf-feature .bf-off { width: 100px; height: 100px; }
  .bf-off__num,
  .bf-feature .bf-off__num { font-size: 32px; }
  .bf-off__txt,
  .bf-feature .bf-off__txt { font-size: 17px; }
  .bf-price__regular { font-size: 11px; }
  .bf-price__sale,
  .bf-feature .bf-price__sale { font-size: 34px; font-weight: 800; letter-spacing: -.04em; }
  .bf-price__sale .u-en,
  .bf-feature .bf-price__sale .u-en { letter-spacing: .04em; }
  .bf-price__sale > small { font-size: 12px; font-weight: 700; }
  .bf-btn { width: 220px; padding: 12px; font-size: 14px; }

  .bf-cards { grid-template-columns: 1fr; gap: 30px; margin-top: 30px; }
  .bf-card { padding: 52px 16px 32px; }
  .bf-card__img { max-width: 250px; }
  .bf-card__note { font-size: 11px; }
  .bf-color li { width: 20px; height: 20px; border-width: 2px; }
  .bf-card__name { margin-top: 16px; font-size: 16px; letter-spacing: .03em; }
  .bf-card .bf-gas { margin-top: 10px; font-size: 11px; }

  .bf-items { padding-bottom: 60px; }
  .bf-closing {
    padding: 64px 20px 56px;
    background-image: url(img/closing_bg_sp.jpg);
  }
  .bf-closing__label { gap: 14px; font-size: 17px; }
  .bf-closing__label::before,
  .bf-closing__label::after { width: 36px; }
  .bf-closing__ttl { margin-top: 24px; font-size: min(24px, 5.6vw); letter-spacing: .02em; }
  .bf-closing__text { margin-top: 24px; font-size: 13px; }
  .bf-closing .bf-btn { margin-top: 32px; }
  .bf-btn--white { width: 280px; }
}