@charset "utf-8";
/*====================================================================
  clearfix
====================================================================*/
.clearfix:after {
  content: ".";
  display: block;
  clear: both;
  height: 0;
  visibility: hidden;
}
.clearfix {
  min-height: 1px;
  overflow: hidden;
}
* html .clearfix {
  height: 1px;
  overflow: hidden;
}
/*====================================================================
  common
====================================================================*/
html.fixed, body.fixed {
  overflow: hidden;
  width: 100%;
}
.sp_view {
  display: none;
}
.pc_view {
  display: block;
}
/* ===============================
   Base
=============================== */
html, body {
  margin: 0;
  padding: 0;
}
body {
  background: #ffffff;
  color: #111111;
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* ===============================
   loading
=============================== */
#loading {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  opacity: 1;
  visibility: visible;
  transition:
    background-color 0.5s cubic-bezier(0.77, 0, 0.175, 1),
    opacity 0.7s ease,
    visibility 0.7s ease;
}

.loading-inner {
  position: relative;
  width: min(34vw, 210px);
  aspect-ratio: 352 / 290;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 900px;
}

.loading-logo {
  position: relative;
  width: 100%;
  height: 100%;
  transform-origin: center center;
}

.logo-circle,
.logo-mark {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.logo-circle path,
.logo-mark path {
  fill: #fff;
}

/* 初期状態 */
.logo-circle {
  opacity: 0;
  transform: scale(0.68) rotate(-140deg);
  filter: blur(10px);
}

.logo-mark {
  opacity: 0;
  transform: scale(1) translateY(0);
  filter: blur(0);
}

/* 1. 外円がくるっと回って表示 */
body.is-circle-show .logo-circle {
  animation: loadingCircleIn 1.5s cubic-bezier(0.2, 0.9, 0.18, 1) forwards;
}

/* 2. Rマークがブラー＋拡大しながら表示 */
body.is-mark-show .logo-mark {
  animation: loadingMarkIn 0.6s ease-out forwards;
}

/* 3. 手前に迫る：この時点では黒背景のまま */
body.is-logo-zoom .loading-logo {
  animation: loadingLogoZoom 1.0s cubic-bezier(0.4, 0.4, 0.5, 1) forwards;
}

/* 4. 拡大しきってから白背景へ */
body.is-bg-white #loading {
  background-color: #fff;
}

body.is-bg-white .logo-circle path,
body.is-bg-white .logo-mark path {
  fill: #000;
  transition: fill 0.25s ease;
}

/* 終了 */
#loading.is-hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* 外円 */
@keyframes loadingCircleIn {
  0% {
    opacity: 0;
    transform: scale(0.68) rotate(-140deg);
    filter: blur(10px);
  }

  58% {
    opacity: 1;
    transform: scale(1.06) rotate(18deg);
    filter: blur(1px);
  }

  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
    filter: blur(0);
  }
}

/* Rマーク */
@keyframes loadingMarkIn {
  0% {
    opacity: 0;
    transform: scale(0.82) translateY(12px);
    filter: blur(6px);
  }

  60% {
    opacity: 1;
    transform: scale(1.08) translateY(-4px);
    filter: blur(1px);
  }

  80% {
    opacity: 1;
    transform: scale(0.98) translateY(1px);
    filter: blur(0);
  }

  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
    filter: blur(0);
  }
}

@keyframes loadingLogoZoom {
  0% {
    opacity: 1;
    transform: scale(1) translateZ(0) rotate(0deg);
    filter: blur(0);
  }

  18% {
    opacity: 1;
    transform: scale(1.03) translateZ(0) rotate(0.2deg);
    filter: blur(0);
  }

  42% {
    opacity: 1;
    transform: scale(2.8) translateZ(120px) rotate(0.4deg);
    filter: blur(0.4px);
  }

  72% {
    opacity: 1;
    transform: scale(8) translateZ(200px) rotate(0.8deg);
    filter: blur(1px);
  }

  100% {
    opacity: 0;
    transform: scale(18) translateZ(250px) rotate(1.5deg);
    filter: blur(3px);
  }
}

@media screen and (max-width: 767px) {
  .loading-inner {
    width: min(48vw, 180px);
  }
}

#mv {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: #fff;
  color: #111;
  isolation: isolate;
}

.geometric-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

#mv > *:not(.geometric-bg) {
  position: relative;
  z-index: 2;
}

.geo {
  position: absolute;
  display: block;
  opacity: 0.08;
  border: 1px solid #000;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-direction: alternate;
  will-change: transform;
}

/* 円 */
.geo1 {
  width: 360px;
  height: 360px;
  border-radius: 50%;
  top: -80px;
  left: -90px;
  animation: geoMove1 18s infinite;
}

/* 四角 */
.geo2 {
  width: 260px;
  height: 260px;
  top: 15%;
  right: 8%;
  transform: rotate(25deg);
  animation: geoMove2 22s infinite;
}

/* 三角 */
.geo3 {
  width: 0;
  height: 0;
  border: none;
  border-left: 120px solid transparent;
  border-right: 120px solid transparent;
  border-bottom: 210px solid rgba(0,0,0,0.06);
  top: 62%;
  left: 6%;
  animation: geoMove3 16s infinite;
}

/* 細長い線 */
.geo4 {
  width: 520px;
  height: 1px;
  border: none;
  background: rgba(0,0,0,0.12);
  top: 35%;
  left: 42%;
  animation: geoMove4 14s infinite;
}

/* 小さい円 */
.geo5 {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  right: 22%;
  bottom: 16%;
  animation: geoMove5 12s infinite;
}

/* ひし形 */
.geo6 {
  width: 130px;
  height: 130px;
  right: 5%;
  bottom: 8%;
  transform: rotate(45deg);
  animation: geoMove6 20s infinite;
}

/* 大きめリング */
.geo7 {
  width: 520px;
  height: 520px;
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.04;
  animation: geoPulse 11s infinite;
}

/* 小さい四角 */
.geo8 {
  width: 70px;
  height: 70px;
  left: 35%;
  top: 18%;
  animation: geoMove8 13s infinite;
}

@keyframes geoMove1 {
  to {
    transform: translate(80px, 50px) rotate(12deg);
  }
}

@keyframes geoMove2 {
  to {
    transform: translate(-60px, 40px) rotate(75deg);
  }
}

@keyframes geoMove3 {
  to {
    transform: translate(40px, -70px) rotate(-8deg);
  }
}

@keyframes geoMove4 {
  to {
    transform: translate(-90px, 35px) rotate(-12deg);
  }
}

@keyframes geoMove5 {
  to {
    transform: translate(50px, -55px) scale(1.25);
  }
}

@keyframes geoMove6 {
  to {
    transform: translate(-45px, -65px) rotate(95deg);
  }
}

@keyframes geoPulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.08);
  }
}

@keyframes geoMove8 {
  to {
    transform: translate(45px, 80px) rotate(35deg);
  }
}

@media screen and (max-width: 768px) {
  .geo1 {
    width: 220px;
    height: 220px;
  }

  .geo2 {
    width: 150px;
    height: 150px;
  }

  .geo3 {
    border-left-width: 70px;
    border-right-width: 70px;
    border-bottom-width: 120px;
  }

  .geo4 {
    width: 260px;
  }

  .geo7 {
    width: 280px;
    height: 280px;
  }
}

/**/

/* MV全体 */
#mv {
  position: relative;
  min-height: 100vh;
  padding: 80px 24px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #111;
  overflow: hidden;
}

#logo {
  margin: 0px auto 20px;
}
/* タイトル */
#mv h1 {
  margin: 0 0 20px;
  font-size: clamp(34px, 5vw, 40px);
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1;
}

#mv h2 {
  margin: 0 0 42px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.22em;
}

/* 事業案内テーブル */
.business {
  width: min(100%, 920px);
  /*box-shadow: 0 24px 80px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);*/
  overflow: hidden;
}

.business dl {
  display: grid;
  grid-template-columns: 180px 1fr;
  margin: 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.business dl:last-child {
  border-bottom: none;
}

.business dt,
.business dd {
  margin: 0;
  padding: 24px 28px;
  font-size: 15px;
  line-height: 1.9;
}

.business dt {
  display: flex;
  align-items: flex-start;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.business dd {
  background: rgba(255, 255, 255, 0.72);
  color: #222;
  font-weight: 500;
}

/* 事業内容リスト */
.business ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.business li {
  padding: 7px 14px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 999px;
  background: #fff;
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

/* スマホ */
@media screen and (max-width: 768px) {
  #mv {
    min-height: 100svh;
    padding: 72px 18px 48px;
  }

  #mv h1 {
    font-size: clamp(32px, 10vw, 48px);
    text-align: center;
    letter-spacing: 0.05em;
  }

  #mv h2 {
    margin-bottom: 30px;
    font-size: 18px;
  }

  .business {
    width: 100%;
    border-radius: 20px;
  }

  .business dl {
    display: block;
  }

  .business dt,
  .business dd {
    padding: 16px 18px;
    font-size: 14px;
  }

  .business dt {
    min-height: auto;
  }

  .business dd {
    border-top: 1px solid rgba(0, 0, 0, 0.06);
  }

  .business ul {
    gap: 8px;
  }

  .business li {
    font-size: 13px;
    padding: 6px 11px;
  }
}

footer {
  clear: both;
  width: 100%;
  text-align: center;
  padding: 50px 0px;
}
footer p {
  font-size: 12px;
}