/* =====================================
   メインビジュアル
===================================== */

.sv-main-visual {
  --sv-text-color: #fff;
  --sv-accent-color: #0b4f80;
  --sv-button-hover: #083d64;
  --sv-content-width: 1180px;

  position: relative;
  width: 100%;
  margin: 0;
  color: var(--sv-text-color);
  overflow: hidden;
}

.sv-main-visual *,
.sv-main-visual *::before,
.sv-main-visual *::after {
  box-sizing: border-box;
}

/* Swiper本体 */
.sv-main-visual__slider {
  position: relative;
  width: 100%;
  height: clamp(560px, 47vw, 760px);
  min-height: 560px;
  background: #222;
}

/* 各スライド */
.sv-main-visual__slide {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* 画像 */
.sv-main-visual__picture {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.sv-main-visual__picture img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* 文字を読みやすくする暗幕 */
.sv-main-visual__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg,
      rgba(0, 0, 0, 0.58) 0%,
      rgba(0, 0, 0, 0.32) 45%,
      rgba(0, 0, 0, 0.05) 75%,
      rgba(0, 0, 0, 0) 100%);
}

.sv-main-visual img {
  filter: brightness(0.85) saturate(0.85);
}

/* コンテンツ幅 */
.sv-main-visual__inner {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
  width: min(100% - 48px, var(--sv-content-width));
  height: 100%;
  margin-inline: auto;
  pointer-events: none;
}

/* テキストの右に重ねる固定画像 */
.sv-main-visual__image {
  flex-shrink: 0;
  order: 2;
}

.sv-main-visual__image-svg {
  display: block;
  width: clamp(220px, 20vw, 340px);
  height: auto;
  overflow: visible;
}

/* 葉に乗算する写真 */
.sv-leaf-photo {
  mix-blend-mode: multiply;
}

.sv-leaf-photo__img {
  /* 座標はJSでgetBBox()を基に自動設定される */
}

/* 雫：落下→着地で消える */
.sv-main-visual__image-svg .sv-drop {
  transform-box: fill-box;
  transform-origin: center;
  animation: sv-drop-fall 3s ease-in-out infinite;
}

@keyframes sv-drop-fall {
  0% {
    transform: translateY(-22px);
    opacity: 0;
  }

  14% {
    opacity: 1;
  }

  38% {
    transform: translateY(0);
    opacity: 1;
  }

  46% {
    transform: translateY(0);
    opacity: 0;
  }

  100% {
    transform: translateY(0);
    opacity: 0;
  }
}

/* 波紋：雫の着地位置から広がって消える */
.sv-main-visual__image-svg .sv-ripple {
  fill: none;
  stroke: #ffffff;
  stroke-width: 6;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  transform: scale(0.3);
}

@keyframes sv-ripple-expand {
  0% {
    transform: scale(0.3);
    opacity: 0;
  }

  8% {
    opacity: 0.1;
  }

  100% {
    transform: scale(80.5);
    opacity: 0;
  }
}

.sv-main-visual__image-svg .sv-ripple-1 {
  animation: sv-ripple-expand 6s ease-out infinite;
  animation-delay: 1.14s;
}

.sv-main-visual__image-svg .sv-ripple-2 {
  animation: sv-ripple-expand 6s ease-out infinite;
  animation-delay: 1.64s;
}

.sv-main-visual__image-svg .sv-ripple-3 {
  animation: sv-ripple-expand 6s ease-out infinite;
  animation-delay: 2.14s;
}

.sv-main-visual__content {
  order: 1;
  pointer-events: auto;
  width: min(100%, 640px);
  padding: 70px 0 90px;
}

/* 小見出し */
.sv-main-visual__sub {
  margin: 0 0 20px;
  font-size: clamp(13px, 1.2vw, 16px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.18em;
}

/* メインコピー */
.sv-main-visual__title {
  margin: 0;
  color: inherit;
  font-size: clamp(32px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.06em;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.18);
}

/* 説明文 */
.sv-main-visual__text {
  max-width: 600px;
  margin: 26px 0 0;
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.9;
  letter-spacing: 0.04em;
}

/* ボタン */
.sv-main-visual__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 210px;
  min-height: 58px;
  margin-top: 34px;
  margin-right: 20px;
  padding: 14px 30px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 2px;
  background: var(--sv-accent-color);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition:
    background-color 0.25s ease,
    border-color 0.25s ease,
    transform 0.25s ease;
}

.sv-main-visual__button::after {
  width: 7px;
  height: 7px;
  margin-left: 18px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  content: "";
  transform: rotate(45deg);
}

.sv-main-visual__button:hover {
  border-color: var(--sv-button-hover);
  background: var(--sv-button-hover);
  color: #fff;
  transform: translateY(-2px);
}


/* ボタン */
.sv-main-visual__button_contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 210px;
  min-height: 58px;
  margin-top: 34px;
  padding: 14px 30px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 2px;
  background: #fff;
  color: #083d64;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition:
    background-color 0.25s ease,
    border-color 0.25s ease,
    transform 0.25s ease;
}

.sv-main-visual__button_contact::after {
  width: 7px;
  height: 7px;
  margin-left: 18px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  content: "";
  transform: rotate(45deg);
}

.sv-main-visual__button_contact:hover {
  border-color: #d4d4d4;
  background: #d4d4d4;
  color: #083d64;
  transform: translateY(-2px);
}

/* ページネーション */
.sv-main-visual .swiper-pagination {
  z-index: 5;
  bottom: 32px;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.sv-main-visual .swiper-pagination-bullet {
  width: 30px;
  height: 3px;
  margin: 0 !important;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.55);
  opacity: 1;
  transition: background-color 0.25s ease;
}

.sv-main-visual .swiper-pagination-bullet-active {
  background: #fff;
}

/* 再生・停止ボタン */
.sv-main-visual__control {
  position: absolute;
  right: max(24px, calc((100% - var(--sv-content-width)) / 2));
  bottom: 22px;
  z-index: 6;
  display: grid;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.18);
  color: #fff;
  cursor: pointer;
  place-items: center;
}

/* 停止アイコン */
.sv-main-visual__pause {
  position: relative;
  display: block;
  width: 10px;
  height: 12px;
  border-left: 3px solid currentColor;
  border-right: 3px solid currentColor;
}

/* 再生中ではなく停止中の三角形 */
.sv-main-visual__control.is-paused .sv-main-visual__pause {
  width: 0;
  height: 0;
  margin-left: 3px;
  border-top: 6px solid transparent;
  border-right: 0;
  border-bottom: 6px solid transparent;
  border-left: 9px solid currentColor;
}

/* スライド文字の表示アニメーションは削除（テキスト固定のため） */

/* キーボード操作 */
.sv-main-visual__button:focus-visible,
.sv-main-visual__control:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

.sv-main-visual {
  position: relative;
  width: 100vw;
  max-width: none;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

.site-header {
  margin-bottom: 0;
}

/* =====================================
   タブレット・スマートフォン
===================================== */

@media (max-width: 767px) {

  .sv-main-visual__slider {
    height: min(760px, calc(100svh - 70px));
    min-height: 580px;
    max-height: 720px;
  }

  .sv-main-visual__overlay {
    background:
      linear-gradient(180deg,
        rgba(0, 0, 0, 0.12) 0%,
        rgba(0, 0, 0, 0.25) 32%,
        rgba(0, 0, 0, 0.7) 100%);
  }

  .sv-main-visual__inner {
    align-items: flex-end;
    width: calc(100% - 40px);
  }

  /* スマホではスペース確保のためサイド画像を非表示 */
  .sv-main-visual__image {
    display: none;
  }

  .sv-main-visual__content {
    width: 100%;
    padding: 100px 0 96px;
  }

  .sv-main-visual__sub {
    margin-bottom: 14px;
    font-size: 12px;
  }

  .sv-main-visual__title {
    font-size: clamp(24px, 5vw, 32px);
    line-height: 1.4;
  }

  .sv-main-visual__text {
    margin-top: 18px;
    font-size: 13px;
    line-height: 1.8;
  }

  .sv-main-visual__button {
    min-width: 190px;
    min-height: 52px;
    margin-top: 24px;
    padding: 12px 24px;
    font-size: 14px;
  }

  .sv-main-visual .swiper-pagination {
    bottom: 28px;
    justify-content: flex-start;
    padding-left: 20px;
  }

  .sv-main-visual .swiper-pagination-bullet {
    width: 22px;
  }

  .sv-main-visual__control {
    right: 20px;
    bottom: 17px;
  }
}