@charset "UTF-8";
/* CSS Document */

/* =============== KV =============== */
.kv {
  background: #f7f7f7;
  overflow: hidden;
  position: relative;
  padding: 0;
}
.kv__inner {
  width: 100%;
  max-width: 1366px;
  min-height: clamp(520px, 57.1vw, 780px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.93vw;
  align-items: center;
  position: relative;
  z-index: 1;
}
@media (max-width: 1024px) {
  .kv__inner {
  min-height: 57.1vw;
  }
}
@media (max-width: 767.98px) {
  .kv__inner {
    width: 100%;
    max-width: none;
    min-height: none;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    align-items: center;
    position: relative;
    z-index: 1;
  }
}
/* テキスト側 */
.kv__text {
  width: clamp(280px, 40.26vw, 550px);
  margin-top: -0.73vw;
  margin-left: clamp(40px, 5.86vw, 80px);
}
@media (max-width: 767.98px) {
  .kv__text {
    /*　width: 76.45vw;　*/
    width: 100%;
    margin-top: 25px;
    margin-left: 0;
    /* margin-left: 5.12vw;
    margin-right: 5.12vw; */
  }
}
.kv__logo {
  width: 100%;
  overflow: visible;
  /* max-width: clamp(280px, 34.41vw, 470px); */
}
@media (max-width: 767.98px) {
  .kv__logo {
    margin-left: 5.12vw;
    max-width: clamp(280px, 34.41vw, 470px);
  }
}
/* JSが動く環境では、ラップ完了まで見せない */
.has-js .kv__maincopy{
  visibility: hidden; /* レイアウトは維持、描画だけ隠す */
}

/* ラップ完了したら表示（JSで付与） */
.kv__maincopy.is-chars-ready{
  visibility: visible;
}
.kv__maincopy {
  font-weight: 700;
  font-size: clamp(24px, 3.29vw, 45px);
  line-height: 1.29;
  letter-spacing: 0.1em;
  margin: 35px 0 .5em;
}
@media (max-width: 767.98px) {
  .kv__maincopy {
    font-size: 7.69vw;
    line-height: 1.29;
    letter-spacing: 0.1em;
    margin: 5.97vw 0 .5em;
    padding: 0 0 0 5.12vw;
  }
}
.kv__subcopy {
  font-size: clamp(13px, 3.29vw, 16px);
}
@media (min-width: 1366px) {
  .kv__subcopy {
    font-size: 16px;
    line-height: 30px;
    font-weight: 700;
  }
}
@media (min-width: 768px) {
  .kv__subcopy {
    font-size: 13px;
  }
}
@media (max-width: 767.98px) {
  .kv__subcopy {
    font-size: 4.166667vw;
    margin-top:100vw;
    text-align: center;
    line-height: 1.5;
    font-weight: 700;
  }
}
/* 文字アニメ：初期は停止しておく（既存差し替え） */
.kvchar{
  display:inline-block;
  opacity:0;
  transform: translateY(0.2em) scale(1.06);
  filter: blur(4px);
  will-change: transform, opacity, filter;
  backface-visibility: hidden;

  /* 1) 本体（不透明度/移動/ぼかし→0px）
     2) 仕上げ（1msで filter:none にスナップ） */
  animation-name: kvCharIn, kvCharFilterNone;
  animation-duration: var(--dur, .18s), 1ms;
  animation-timing-function: linear, step-end;
  animation-fill-mode: both, both;

  /* ← “1文字ずつ”の遅延をそのまま両方に適用
         仕上げは本体終了直後に発火 */
  animation-delay:
    calc(var(--step, 60ms) * var(--i)),
    calc(var(--step, 60ms) * var(--i) + var(--dur, .18s));

  animation-play-state: paused, paused; /* ← ここ重要：両方pauseで開始 */
}

/* 本体：opacity/transform + blur(5px→0px) に変更（none ではなく 0px まで補間） */
@keyframes kvCharIn{
  from{ opacity:0; transform: translateY(0.2em) scale(1.06); filter: blur(5px); }
  to  { opacity:1; transform:none; filter: blur(0px); }
}

/* 仕上げ：合成をリセットして“ぼけ残り”を消す */
@keyframes kvCharFilterNone{
  to{ filter: none; will-change: auto; }
}

/* .kv がシーケンス開始したら再生（両アニメを running に） */
.kv.is-seq .kv__maincopy .kvchar,
.kv.is-seq .kv__subcopy  .kvchar{
  animation-play-state: running, running;
}

/* 既存のタイミング変数はそのまま使えます */
.kv__maincopy .kvchar{ --step: 25ms; --dur: .16s; }
/* .kv__subcopy  .kvchar{ --step: 35ms; --dur: .14s; } */
/* 1366px以上では固定に */

.kv-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: visible;
}
.kv-bg__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  max-width: 1366px;
  height: 100%;
  left: 50%;
  transform: translateX(-50%);
}
@media (max-width: 1366px) {
  .kv-bg__canvas {
    width: 100%;
  }
}
@media (max-width: 767.98px) {
  .kv-bg__canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    left: 0;
    transform: translateX(0);
  }
}
.kv-bg__canvas img {
  position: absolute;
}
/* 背景画像（座標・サイズpx固定） */
.bg-kv-top {
  width: 16.62vw;   /* 227 */
  left: 62.18vw;    /* 849 */
  top: -10.25vw;    /* -140 */
  animation: kvFloatScale 8s ease-in-out infinite;
}
.bg-kv-middle {
  width: 31.12vw;  /* 425 */
  left: 38.73vw;   /* 529 */
  top: 18.82vw;    /* 257 */
  animation: kvFloatScale 10s ease-in-out infinite;
}
.bg-kv-bottom {
  width: 30.32vw;  /* 414 */
  left: 77.33vw;   /* 1056 */
  top: 33.60vw;    /* 459 */
  animation: kvFloatScale 12s ease-in-out infinite;
}
.bg-biwa {
  width: 30.40vw;  /* 415 */
  left: -1.46vw;   /* -20 */
  top: -1.10vw;    /* -15 */
}
@media (min-width: 1366px) {
  .bg-kv-top {
    width: 227px;
    left: 849px;
    top: -140px;
  }
  .bg-kv-middle {
    width: 425px;
    left: 529px;
    top: 257px;
  }
  .bg-kv-bottom {
    width: 414px;
    left: 1056px;
    top: 459px;
  }
  .bg-biwa {
    width: 415px;
    left: -20px;
    top: -15px;
  }
}
@media (max-width: 767.98px) {
  .bg-kv-top {
    width: 58.2vw;
    left: auto;
    right: -29.1vw;
    top: -9.1vw;
    animation: kvFloatScale 8s ease-in-out infinite;
  }
  .bg-kv-middle {
    width: 90.5vw;
    left: -33.8vw;
    top: 95.46vw;
    animation: kvFloatScale 10s ease-in-out infinite;
  }
  .bg-kv-bottom {
    width: 106.15vw;
    left: 50vw;
    top: 125.76vw;
    animation: kvFloatScale 12s ease-in-out infinite;
  }
  .bg-biwa {
    display: none;
  }
}
@keyframes kvFloatScale {
  0% {
    transform: scale(1.1);
  }
  50% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1.1);
  }
}
/* KVビジュアル（グループ切替） */
.kv__visual {
  width: 100vw;    /* 1366px 固定 → 画面幅に追随 */
  margin: 0 auto;
  z-index: 2;
  opacity: 0;      /* 既存の演出は維持 */
  transition: opacity .6s cubic-bezier(.22,.61,.36,1);
}
@media (max-width: 767.98px) {
  .kv__visual {
    /* position: relative; */
    width: 100%;
    margin: 0 auto;
    z-index: 2;
  }
}
.kv__group {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .8s ease;
}
.kv__group.is-active {
  opacity: 1;
  pointer-events: auto;
}
.kv__group .kv__img {
  opacity: 0;
  transform: translateY(10px) scale(.98);
  transition: opacity .6s ease, transform .6s ease;
}
.kv-a-1, .kv-b-1, .kv-c-1 {
  transform: translateX(20px) scale(.98);
  
}

.kv__group.is-active .kv-a-1, .kv__group.is-active .kv-b-1, .kv__group.is-active .kv-c-1, .kv__group.is-active .kv__img.kv-1, .kv__group.is-active .kv-a-2, .kv__group.is-active .kv-b-2, .kv__group.is-active .kv-c-2, .kv__group.is-active .kv__img.kv-2 {
  opacity: 1;
  transform: none;
  transition-delay: 0s; /* 同じタイミングで出す */
}
@media (prefers-reduced-motion: reduce) {
  .kv__group, .kv__group .kv__img {
    transition: none;
    transform: none;
  }
}
/* === A/B/C 共通：座標もpx固定 === */
.kv-a-1, .kv-b-1, .kv-c-1 {
  position: absolute;
  width: 56.4vw;  /* 650 */
  max-width: 770px;
  top: 8.05vw;     /* 110 */
  left: 52.42vw;   /* 716 */
  z-index: 1;
  object-fit: contain;
}
.kv-a-2, .kv-b-2, .kv-c-2 {
  position: absolute;
  width: 17.57vw;  /* 240 */
  top: 34.20vw;    /* 467 */
  left: 47.25vw;   /* 645 */
  z-index: 2;
}
/* === 1366px以上では固定pxに戻す === */
@media (min-width: 1366px) {
  .kv-a-1, .kv-b-1, .kv-c-1 {
    width: 56.4vw;  /* 650 */
    max-width: 770px;
    top: 110px;
    left: 716px;
  }
  .kv-a-2, .kv-b-2, .kv-c-2 {
    width: 240px;
    top: 467px;
    left: 645px;
  }
}
@media (max-width: 767.98px) {
  .kv-a-1, .kv-b-1, .kv-c-1 {
    position: absolute;
    /* width: 88.71vw; */
    width: 105.38vw;
    top: 38%;
    right: -16.67vw;
    left: auto;
    z-index: 1;
  }
  .kv-a-2, .kv-b-2, .kv-c-2 {
    position: absolute;
    width: 32.82vw;
    top: 64%;
    left: 5.12vw;
    z-index: 2;
  }
}