.allon4-fv {
  position: relative;
  width: 100%;
  min-height: 841px;
  overflow: hidden;
  background: #fff;
  color: #06183f;
  font-family: "Yu Mincho", "游明朝", "Hiragino Mincho ProN", "HGS明朝E", serif;
}

/* 背景写真：人物・モニター・窓背景のみの画像に差し替え */
.allon4-fv__bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image: url("assets/img/allon4-fv-bg.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center right;
}

/* 左側の白いぼかし */
.allon4-fv__white-grad {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    radial-gradient(circle at 28% 46%, rgba(255,255,255,0.98) 0%, rgba(255,255,255,0.92) 31%, rgba(255,255,255,0.64) 49%, rgba(255,255,255,0.2) 66%, rgba(255,255,255,0) 82%),
    linear-gradient(90deg, rgba(255,255,255,0.98) 0%, rgba(255,255,255,0.96) 30%, rgba(255,255,255,0.72) 50%, rgba(255,255,255,0.22) 70%, rgba(255,255,255,0) 100%);
}

/* 左下の淡い水色の光 */
.allon4-fv__blue-grad {
  position: absolute;
  left: -180px;
  bottom: -245px;
  z-index: 3;
  width: 1000px;
  height: 460px;
  background: radial-gradient(ellipse at center, rgba(164,225,247,0.62) 0%, rgba(164,225,247,0.32) 40%, rgba(164,225,247,0) 72%);
  transform: rotate(-10deg);
  pointer-events: none;
}

/* 左側本文 */
.allon4-fv__inner {
  position: relative;
  z-index: 5;
  width: 920px;
  padding: 54px 0 0 88px;
}

/* ロゴ */
.allon4-fv__logo {
  position: relative;
  display: flex;
  align-items: center;
  width: 684px;
  height: 82px;
  padding: 0 44px 0 62px;
  gap: 34px;
  color: #fff;
  background: linear-gradient(90deg, #06132f 0%, #061a3d 52%, #030b20 100%);
  clip-path: polygon(6% 0, 100% 0, 95% 100%, 0 100%);
}

.allon4-fv__logo::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(90deg, #e96800 0%, #f3a900 24%, #f3a900 76%, #e96800 100%);
  clip-path: polygon(6% 0, 100% 0, 95% 100%, 0 100%);
}

.allon4-fv__logo::after {
  content: "";
  position: absolute;
  inset: 5px 7px;
  z-index: -1;
  background: linear-gradient(90deg, #06132f 0%, #061a3d 52%, #030b20 100%);
  clip-path: polygon(6% 0, 100% 0, 95% 100%, 0 100%);
}

.allon4-fv__logo-main {
  font-size: 46px;
  line-height: 1;
  letter-spacing: 0.22em;
  white-space: nowrap;
}

.allon4-fv__logo-main sup {
  font-size: 34%;
}

.allon4-fv__logo-sub {
  position: relative;
  min-width: 218px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  line-height: 1;
  letter-spacing: 0.1em;
  white-space: nowrap;
  transform: skewX(-16deg);
  border-top: 4px solid #f2a400;
  border-right: 4px solid #f2a400;
  border-bottom: 4px solid #f2a400;
}

.allon4-fv__logo-sub::before {
  content: "";
  position: absolute;
  left: -18px;
  top: -4px;
  width: 4px;
  height: calc(100% + 8px);
  background: #f2a400;
  transform: skewX(-18deg);
}

.allon4-fv__logo-sub sup {
  font-size: 40%;
}

/* キャッチ */
.allon4-fv__catch {
  margin: 30px 0 8px;
  font-size: 26px;
  line-height: 1.45;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: #071844;
}

/* メインタイトル */
.allon4-fv__title {
  margin: 0;
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: 0.08em;
}

.allon4-fv__title span {
  display: block;
}

/* 「半日で、」を画像に近いオレンジグラデーションに */
.allon4-fv__title-orange {
  font-size: 112px;
  background: linear-gradient(
    180deg,
    #ff8a00 0%,
    #f17000 32%,
    #e75d00 55%,
    #c94700 78%,
    #a93400 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 0 rgba(255,255,255,0.8));
}

.allon4-fv__title-navy {
  margin-top: 10px;
  font-size: 108px;
  color: #020f36;
  text-shadow:
    0 3px 6px rgba(0,0,0,0.16),
    0 1px 0 rgba(255,255,255,0.72);
}

/* 説明文 */
.allon4-fv__lead {
  margin: 26px 0 18px;
  font-size: 22px;
  line-height: 1.55;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: #06183f;
}

.allon4-fv__lead em {
  color: #e75d00;
  font-style: normal;
}

/* 特徴3つ */
.allon4-fv__features {
  display: grid;
  grid-template-columns: 1.14fr 0.98fr 1.1fr;
  width: 846px;
  min-height: 106px;
  margin-top: 15px;
  background: rgba(255,255,255,0.88);
  border: 1px solid rgba(6,24,63,0.16);
  box-shadow: 0 5px 18px rgba(0,0,0,0.08);
}

.allon4-fv__feature {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 17px 22px;
  border-right: 1px solid rgba(6,24,63,0.16);
}

.allon4-fv__feature:last-child {
  border-right: none;
}

.allon4-fv__feature p {
  margin: 0;
  font-size: 20px;
  line-height: 1.45;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: #06183f;
}

.allon4-fv__feature strong {
  color: #e85d00;
  font-size: 34px;
  line-height: 1;
  font-weight: 400;
}

.allon4-fv__feature small {
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* アイコン */
.allon4-fv__icon {
  position: relative;
  flex: 0 0 auto;
  width: 76px;
  height: 72px;
  color: #f06a00;
}

.allon4-fv__icon--tooth::before {
  content: "";
  position: absolute;
  inset: 4px;
  border: 3px solid #f06a00;
  border-radius: 50%;
}

.allon4-fv__icon--tooth::after {
  content: "🦷";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 34px;
  filter: grayscale(1) sepia(1) saturate(6) hue-rotate(350deg);
}

.allon4-fv__icon--chart::before {
  content: "";
  position: absolute;
  left: 7px;
  bottom: 10px;
  width: 9px;
  height: 21px;
  background: #f06a00;
  box-shadow:
    15px -9px 0 #f06a00,
    30px -22px 0 #f06a00,
    45px -36px 0 #f06a00;
}

.allon4-fv__icon--chart::after {
  content: "";
  position: absolute;
  left: 2px;
  bottom: 8px;
  width: 66px;
  height: 2px;
  background: #f06a00;
}

.allon4-fv__icon--clock::before {
  content: "";
  position: absolute;
  inset: 5px;
  border: 4px solid #f06a00;
  border-radius: 50%;
}

.allon4-fv__icon--clock::after {
  content: "";
  position: absolute;
  left: 37px;
  top: 17px;
  width: 4px;
  height: 31px;
  background: #f06a00;
  transform-origin: bottom center;
  box-shadow: 15px 29px 0 -1px #f06a00;
}

/* ボタン */
.allon4-fv__buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  width: 846px;
  margin-top: 21px;
}

.allon4-fv__button {
  position: relative;
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 0 60px 0 38px;
  text-decoration: none;
  color: #fff;
  font-size: 26px;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.allon4-fv__button--orange {
  background: linear-gradient(90deg, #d95b00 0%, #f17600 100%);
}

.allon4-fv__button--navy {
  background: linear-gradient(90deg, #02091d 0%, #071a3a 100%);
}

.allon4-fv__button-arrow {
  position: absolute;
  right: 34px;
  top: 50%;
  width: 14px;
  height: 14px;
  border-top: 1px solid #fff;
  border-right: 1px solid #fff;
  transform: translateY(-50%) rotate(45deg);
}

.allon4-fv__button-icon {
  position: relative;
  flex: 0 0 auto;
}

.allon4-fv__button-icon--calendar {
  width: 42px;
  height: 38px;
  border: 4px solid #fff;
}

.allon4-fv__button-icon--calendar::before {
  content: "";
  position: absolute;
  left: -4px;
  right: -4px;
  top: 8px;
  height: 4px;
  background: #fff;
}

.allon4-fv__button-icon--calendar::after {
  content: "";
  position: absolute;
  left: 8px;
  top: -10px;
  width: 6px;
  height: 12px;
  background: #fff;
  box-shadow: 18px 0 0 #fff;
}

.allon4-fv__button-icon--phone {
  width: 44px;
  height: 44px;
}

.allon4-fv__button-icon--phone::before {
  content: "";
  position: absolute;
  inset: 5px;
  border: 8px solid #fff;
  border-top-color: transparent;
  border-right-color: transparent;
  border-radius: 50%;
  transform: rotate(-45deg);
}

/* 右側縦書き */
.allon4-fv__vertical {
  position: absolute;
  top: 51px;
  right: 20px;
  z-index: 6;
  width: 144px;
  height: 542px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #0a347f 0%, #020b27 100%);
  border: 1px solid rgba(255,255,255,0.72);
  box-shadow: 0 8px 20px rgba(0,0,0,0.16);
}

.allon4-fv__vertical p {
  margin: 0;
  writing-mode: vertical-rl;
  text-orientation: upright;
  color: #fff;
  font-size: 25px;
  line-height: 1.8;
  letter-spacing: 0.12em;
  font-weight: 700;
}

.allon4-fv__vertical span {
  color: #f07a00;
}

/* 右下エリアカード */
.allon4-fv__area {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 6;
  width: 520px;
  height: 178px;
  display: flex;
  align-items: center;
  gap: 34px;
  padding: 28px 50px 28px 118px;
  clip-path: polygon(11% 0, 100% 0, 100% 100%, 0 100%);
}

.allon4-fv__area::before,
.allon4-fv__area::after {
  content: "";
  position: absolute;
  inset: 0;
  clip-path: polygon(11% 0, 100% 0, 100% 100%, 0 100%);
}

.allon4-fv__area::before {
  z-index: -2;
  background: #e86b08;
}

.allon4-fv__area::after {
  z-index: -1;
  inset: 2px;
  background: rgba(255,255,255,0.92);
}

.allon4-fv__area p {
  margin: 0;
  font-size: 24px;
  line-height: 1.65;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: #06183f;
}

.allon4-fv__area p span {
  color: #e85d00;
  font-size: 34px;
}

.allon4-fv__pin {
  position: relative;
  flex: 0 0 auto;
  width: 50px;
  height: 68px;
}

.allon4-fv__pin::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0;
  width: 40px;
  height: 40px;
  background: #06183f;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
}

.allon4-fv__pin::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 13px;
  width: 12px;
  height: 12px;
  background: #fff;
  border-radius: 50%;
}

/* タブレット */
@media (max-width: 1200px) {
  .allon4-fv {
    min-height: 720px;
  }

  .allon4-fv__inner {
    width: 68%;
    padding-left: 40px;
  }

  .allon4-fv__logo,
  .allon4-fv__features,
  .allon4-fv__buttons {
    width: 100%;
  }

  .allon4-fv__title-orange {
    font-size: 86px;
  }

  .allon4-fv__title-navy {
    font-size: 82px;
  }

  .allon4-fv__vertical {
    right: 14px;
    width: 112px;
    height: 460px;
  }

  .allon4-fv__vertical p {
    font-size: 20px;
  }

  .allon4-fv__area {
    width: 450px;
  }
}

/* SP */
@media (max-width: 767px) {
  .allon4-fv {
    min-height: auto;
  }

  .allon4-fv__bg {
    position: relative;
    height: 310px;
    background-position: center top;
  }

  .allon4-fv__white-grad {
    background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.9) 58%, #fff 100%);
  }

  .allon4-fv__blue-grad {
    left: -120px;
    bottom: 330px;
    width: 120%;
    height: 260px;
  }

  .allon4-fv__inner {
    width: auto;
    padding: 22px 18px 24px;
    background: rgba(255,255,255,0.96);
  }

  .allon4-fv__logo {
    width: 100%;
    height: 54px;
    padding: 0 18px 0 28px;
    gap: 12px;
  }

  .allon4-fv__logo-main {
    font-size: 24px;
    letter-spacing: 0.14em;
  }

  .allon4-fv__logo-sub {
    min-width: 116px;
    height: 32px;
    font-size: 13px;
    border-width: 2px;
  }

  .allon4-fv__logo-sub::before {
    left: -10px;
    top: -2px;
    width: 2px;
    height: calc(100% + 4px);
  }

  .allon4-fv__catch {
    margin-top: 18px;
    font-size: 16px;
  }

  .allon4-fv__title-orange,
  .allon4-fv__title-navy {
    font-size: 46px;
    line-height: 1.08;
  }

  .allon4-fv__lead {
    font-size: 15px;
  }

  .allon4-fv__lead br {
    display: none;
  }

  .allon4-fv__features {
    grid-template-columns: 1fr;
  }

  .allon4-fv__feature {
    border-right: none;
    border-bottom: 1px solid rgba(6,24,63,0.16);
  }

  .allon4-fv__feature:last-child {
    border-bottom: none;
  }

  .allon4-fv__buttons {
    grid-template-columns: 1fr;
  }

  .allon4-fv__button {
    min-height: 64px;
    font-size: 18px;
  }

  .allon4-fv__vertical {
    top: 18px;
    right: 14px;
    width: 72px;
    height: 250px;
  }

  .allon4-fv__vertical p {
    font-size: 14px;
    line-height: 1.55;
  }

  .allon4-fv__area {
    position: relative;
    width: 100%;
    height: auto;
    min-height: 120px;
    padding: 22px 24px 22px 70px;
    clip-path: none;
  }

  .allon4-fv__area::before,
  .allon4-fv__area::after {
    clip-path: none;
  }

  .allon4-fv__area p {
    font-size: 18px;
  }

  .allon4-fv__area p span {
    font-size: 24px;
  }
}