@charset "utf-8";
/* ======================================================= */
/* リセットCSS -------------------------------------------- */
/* ======================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  }

body {
  margin: 0;
  line-height: 1.6;
  }

h1, h2, h3, h4, h5, h6,
p {
  margin: 0;
  }

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
  }

img {
  max-width: 100%;
  height: auto;
  display: block;
  }

a {
  text-decoration: none;
  color: inherit;
  }

button {
  cursor: pointer;
  font: inherit;
  }

/* ======================================================== */
/* 深凪レム LPサイト --------------------------------------- */
/* ======================================================== */
:root {
  /* Color */
  --color-magenta: #912F56;
  --color-purple: #521945;
  --color-brown: #361F27;
  --color-white: #EAF2EF;
  --color-black: #0D090A;
  --color-gray: #B7B6B7;

  /* Font */
  --font-mincho: "Shippori Mincho B1", serif;
  --font-gothic: "Noto Sans JP", sans-serif;

  /* Font Size */
  --fs-section-title: 2.5rem;
  --fs-menu:2rem;
  --fs-section-sub: 1.5rem;
  --fs-body: 1.2rem;
  --fs-small: 1rem;
  --fs-minimum: .75rem;

  /* Layout */
  --lh-body: 1.5;
  --content-width: 800px;
  --section-padding: 100px 0;
  --contents-padding: 50px 0;

  /* Animation */
  --transition: .3s;
  }

/* 全体適用 ------------------------------------------------ */
body {
  font-family: var(--font-mincho);
  font-weight: 400;
  font-style: normal;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-black);
  background: var(--color-white);
  overflow-x: hidden;
  }
  
/* 泡 */
.bubble {
  position: fixed;
  bottom: -50px;
  background-color: transparent;
  border-radius: 50%;
  pointer-events: none;
  box-shadow: inset 0 0 5px rgba(255,255,255,0.2);
  animation: bubble 8s linear infinite;
  }

/* 泡が上に浮かび上がっていくアニメーション */
@keyframes bubble {
  0% {
    transform: translateY(0);
    opacity: 1;
    }
  99% {
    opacity: 1;
    }
  100% {
    transform: translateY(-100vh);
    opacity: 0;
    }
  }

:focus-visible {
  outline: 2px solid var(--color-gray);
  outline-offset: 4px;
  } 

a {
  display: inline-block;
  padding: 5px;
  transition: filter 0.3s;
  }

a:hover {
  filter: blur(1.5px);
  }

/* 画面追従ナビ ------------------------------------------ */
/* ハンバーガーメニュー */
.hamburger {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  border: none;
  background: transparent;
  cursor: pointer;
  z-index: 1000;
  filter: drop-shadow(0 0 5px #912F56);
  }

.hamburger span {
  display: block;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--color-white);
  filter: drop-shadow(0 0 2px #EAF2EF);
  margin: 10px 0;
  transition: var(--transition);
  z-index: 1000;
  }

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(10px,10px);
  }
.hamburger.active span:nth-child(2) {
  opacity: 0;
  }
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(12px, -13px);
  }

/* スマホ版メニュー */
.menu {
  position: fixed;
  top: 0;
  width:100%;
  right:-100%;
  height: 100vh;
  background: rgba(145, 47, 86, 0.9);
  transition: 0.5s;
  z-index: 999;
  backdrop-filter:blur(8px);
  }

.menu::before{
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(82,25,69,.5);
  transform: skewX(-18deg) translateX(120%);
  transform-origin: right;
  transition: .6s;
  }

.menu.active::before{
  transform: skewX(-18deg) translateX(0);
  }

.menu ul {
  padding: 50px 0 0 50px;
  }

.menu.active ul , .spmenu--footer {
  opacity: 1;
  transform: translateY(0);
  transition-delay: .35s;
  }

.menu ul li {
  color: var(--color-white);
  font-weight: 400;
  font-size: var(--fs-section-sub);
  letter-spacing: .3rem;
  line-height: 4rem;
  margin: 5px 0;
  }

.menu ul li:active {
  opacity: 0.5;
  }

.menu.active {
  right: 0;
  }

.spmenu__footer {
  color: var(--color-white);
  position: absolute;
  left: 10%;
  bottom: 15%;
  opacity: .45;
  font-size: var(--fs-small);
  letter-spacing: .15rem;
  line-height: 1.5rem;
  }

.minimum {
  font-size: var(--fs-minimum);
  }

.spmenu__footer::before{
  content: "";
  display: block;
  width: 240px;
  height: 1px;
  margin-bottom: 20px;
  background: var(--color-white);
  }

.nav-list {
  display: none;
  }

/* デスクトップ向けスタイル */
@media screen and (min-width: 1024px) {
  .hamburger,.menu {
    display: none;
    }

  .nav-list {
    display: flex;
    background: rgba(145, 47, 86, 0.8);
    transition: 0.5s;
    position: fixed;
    top: 0;
    width: 100%;
    overflow: hidden;
    z-index: 1000;
    box-shadow: 0 1px 4px rgba(13,9,10,.8);
    opacity: 0;
    transform: translateY(-20%);
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
    }

  .nav-list.is-show {
    opacity: 1;
    transform: translateY(0);
    }

  .nav-list ul {
    display: flex;
    gap: 60px;
    }

  .nav-list ul li {
    color: var(--color-white);
    font-weight: 400;
    font-size: var(--fs-menu);
    letter-spacing: .3rem;
    line-height: 5rem;
    }

  .nav-list a{
    position: relative;
    display: inline-block;
    }

  .nav-list a.current{
    color: var(--color-white);
    }

.nav-list a::after{
    content: "";
    position: absolute;
    left: 50%;
    bottom: 15px;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    transform: translateX(-50%) scaleX(0);
    transform-origin: center;
    transition: transform .35s ease;
    }

  .nav-list a.current::after{
    transform: translateX(-50%) scaleX(1);
    }
  }

/* セクション*hero ----------------------------------------- */
#hero {
  position: relative;
  overflow: visible;
  padding-bottom: 80px;
  }

.hero__kv {
  width:  100%;
  display:  block;
  }

.hero__triangle--top {
  position: absolute;
  top: 0;
  left: 0;
  width: 180px;
  height: 80px;
  background: var(--color-purple);
  clip-path: polygon(
    0 0,
    100% 0,
    0 100%
    );
  }

.hero__copy {
  position: absolute;
  bottom: 10%;
  right: 0;
  transform: translateY(-50%);
  }

.hero__copy h1 {
  font-size: clamp(1.8rem, 5vw, 4rem);
  font-weight: 400;
  color: var(--color-white);
  letter-spacing: .8rem;
  line-height: clamp(2.8rem, 7vw, 7rem);
  text-align: right;
  }  

.hero__container--pc {
  display: none;
  }

.hero__rem-set {
  position: absolute;
  top: 40%;
  left: 3%;
  transform: translateY(-50%);
  color: var(--color-white);
  font-size: var(--fs-small);
  }

.hero__rem-set img {
  width: auto;
  max-height: 100px;
  margin-bottom: 10px;
  }

.hero__rem-set p {
  letter-spacing: .1rem;
  line-height: 1.8rem;
  margin-left: 15px;
  }

/* デスクトップ向けスタイル */
@media screen and (min-width: 1024px) {
  .hero__container--pc {
    display: block;
    }

  .hero__container--sp {
    display: none;
    }

  .hero__rem-set {
    top: 35%;
    left: auto;
    right: 3%;
    transform: translateY(-50%);
    font-size: var(--fs-body);
    }

  .hero__rem-set img {
    max-height: 160px;
    }

  .hero__rem-set p {
    margin-left: 30px;
    }

  .hero__copy {
    bottom: 5%;
    right: 3%;
    }
  }

/* セクション*共通 ------------------------------------------ */
.wrapper {
  text-align: center;
  position: relative;
  }

/* 深度メーター */
.depth-meter{
  position: absolute;
  top: 0;
  left: 20px;
  width: 40px;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  }

.depth-meter::before{
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
    to bottom,
    var(--color-gray) 0 2px,
    transparent 2px 150px
    );
  background-size: 40px 150px;
  background-repeat: repeat-y;
  }

.depth-meter::after{
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
    to bottom,
    transparent 0 30px,
    var(--color-gray) 30px 31px,
    transparent 31px 60px,
    var(--color-gray) 60px 61px,
    transparent 61px 90px,
    var(--color-gray) 90px 91px,
    transparent 91px 120px,
    var(--color-gray) 120px 121px,
    transparent 121px 150px
    );
  background-size: 20px 150px;
  background-repeat: repeat-y;
  }

.about__container,.contents__container,.gallery__container,.contact__container {
  position: relative;
  z-index: 2;
  }

h2 {
  position: relative;
  display: inline-block;
  font-size: var(--fs-section-title);
  margin-bottom: 50px;
  line-height: 5rem;
  }

h2::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 100%;
  height: 20px;
  background-image: url("../images/line_img.webp");
  background-repeat: no-repeat;
  background-size: 100% 50%;
  background-position: center;
  transform: translateX(-50%);
  }

h2::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  width: 100%;
  height: 20px;
  background-image: url("../images/line_img.webp");
  background-repeat: no-repeat;
  background-size: 100% 50%;
  background-position: center;
  transform: translateX(-50%);
  }

h3 {
  font-size: var(--fs-section-sub);
  color: var(--color-brown);
  }

/* デスクトップ向けスタイル */
@media screen and (min-width: 1024px) {
  h2 {
    letter-spacing: .3rem;
    }
  
  h3 {
    letter-spacing: .2rem;
    line-height: 2rem;
    }
  }

/* フェードイン　*/
.fadein {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  }

.fadein.is-animated {
  opacity: 1;
  transform: translateY(0);
  }

/* セクション*About ---------------------------------------- */
#about {
  padding-bottom: 100px;
  position: relative;
  }

#about::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -80px;
  width: 100%;
  height: 81px;
  background: var(--color-white);
  clip-path: polygon(
    0 0,
    101% 0,
    0 100%
    );
  z-index: 0;
  }

.about__container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 10px;
  }

.about__remset {
  margin-top: 30px;
  }

.about__flex {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  }

.about__wave {
  position: absolute;
  top: 32%;
  right: 20%;
  width: 180px;
  aspect-ratio: 208 / 72;
  background: url("../images/wave.png") center / contain no-repeat;
  z-index: -1;
  }

.about__dot {
  position: absolute;
  right: 25%;
  bottom: -5%;
  width:  100px;
  height: 100px;
  background-image:
    radial-gradient(
      var(--color-magenta) 3px,
      transparent 3px
    );
  background-size :20px 20px;
  z-index: -1;
  }

.about__label {
  text-align: left;
  font-size: clamp(.8rem, 2vw, 1rem);
  margin: 20px auto;
  }

.about__line {
  position: relative;
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-purple);
  margin: 10px 0;
  }

.about__line::before {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--color-purple);
  transform: rotate(45deg);
  }

.about__line::after {
  content: "";
  position: absolute;
  bottom: -3px;
  right: 0;
  width: 8px;
  height: 8px;
  background: var(--color-purple);
  transform: rotate(45deg);
  }

.about__remset img {
  max-width: 220px;
  height: auto;
  margin: 0 auto;
  filter: drop-shadow( 0 1px 3px rgba(13,9,10,.7));
  }

/* デスクトップ向けスタイル */
@media screen and (min-width: 1024px) {
  .about__container {
    padding: 0;
    }

  .about__label {
    position: absolute;
    z-index: -1;
    font-size: var(--fs-small);
    }

  .about__remset {
    position: relative;
    }

  .about__flex {
    display: block;
    }

  .about__line {
    display: none;
    }

  .about__wave {
    position: absolute;
    top: 5%;
    left: 15%;
    right: 0;
    width: 240px;
    }

  .about__dot {
    position: absolute;
    right: 8%;
    bottom: 5%;
    width: 180px;
    height: 180px;
    background-image:
      radial-gradient(
        var(--color-magenta) 3px,
        transparent 3px
      );
    background-size :30px 30px;
    z-index: -1;
    }
  
  .label01 {
    top: 10%;
    right: 8%;
    }

  .label01::before {
    content: "";
    position: absolute;
    bottom: -15%;
    right: 0;
    width: 240px;
    height: 2px;
    background: var(--color-purple);
    }

  .label01::after {
    content: "";
    position: absolute;
    bottom: -20%;
    right: -5%;
    width: 8px;
    height: 8px;
    background: var(--color-purple);
    transform: rotate(45deg);
    }

  .label02 {
    top: 30%;
    left: 8%;
    }

  .label02::before {
    content: "";
    position: absolute;
    bottom: -15%;
    left: 0;
    width: 220px;
    height: 2px;
    background: var(--color-purple);
    }

  .label02::after {
    content: "";
    position: absolute;
    bottom: -20%;
    left: -5%;
    width: 8px;
    height: 8px;
    background: var(--color-purple);
    transform: rotate(45deg);
    }

  .label03 {
    bottom: 40%;
    right: 8%;
    }

  .label03::before {
    content: "";
    position: absolute;
    bottom: -15%;
    right: 0;
    width: 220px;
    height: 2px;
    background: var(--color-purple);
    }

  .label03::after {
    content: "";
    position: absolute;
    bottom: -19%;
    right: -5%;
    width: 8px;
    height: 8px;
    background: var(--color-purple);
    transform: rotate(45deg);
    }

  .about__remset img {
    max-width: 400px;
    }
  }

/* セクション*Contents ------------------------------------- */
#contents {
  background: var(--color-magenta);
  padding: var(--section-padding);
  }

#contents h4 {
  font-size: var(--fs-section-sub);
  letter-spacing: .2rem;
  line-height: 2rem;
  }

.contents__container {
  padding: var(--contents-padding);
  }

.contents__grid {
  max-width: 600px;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto;
  padding: var(--contents-padding);
  gap: 40px;
  }

.contents__grid--item {
  background: url("../images/binder_img.webp") center/contain no-repeat;
  padding: 80px 40px 50px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  }

.contents__grid--item img {
  max-width: 50px;
  padding: 10px 0;
  }

/* デスクトップ向けスタイル */
@media screen and (min-width: 1024px) {
  .contents__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 0;
    }

  .contents__grid--item:nth-child(n+3) {
    margin-top: 40px;
    }
  }

/* セクション*Gallery -------------------------------------- */
#gallery {
  padding: var(--contents-padding);
  position: relative;
  }

#gallery::before {
  content: "";
  position: absolute;
  left: 0;
  top: -79px;
  width: 100%;
  height: 80px;
  background: var(--color-white);
  clip-path: polygon(
    0 0,
    0 101%,
    100% 100%
    );
  z-index: 0;
  }

#gallery::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -80px;
  width: 100%;
  height: 81px;
  background: var(--color-white);
  clip-path: polygon(
    0 0,
    101% 0,
    0 100%
    );
  z-index: 0;
  }

.gallery__container {
  max-width: var(--content-width);
  margin: 0 auto;
  }

.gallerySwiper {
  margin: 20px auto 40px;
  }

.gallerySwiper .swiper-slide {
  height: 320px;
  display: flex;
  justify-content: center;
  align-items: center;
  }

.gallerySwiper img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  }

.galleryThumb .swiper-slide {
  width: 120px;
  height: 120px;
  }

.galleryThumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  }

.gallerySwiper .swiper-slide a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  }

.gallerySwiper .swiper-slide a img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  }

.galleryThumb {
  padding: 5px 10px 0;
  }

.galleryThumb .thumb img {
  filter: drop-shadow(0 0 3px #912F56);
  }

.swiper-button-prev,
.swiper-button-next {
  color: var(--color-magenta);
  }

.swiper-button-prev::after,
.swiper-button-next::after {
  font-weight: 600;
  }

.gallerySwiper .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  border-radius: 0;
  background: var(--color-purple);
  transform: rotate(45deg);
  opacity: .5;
  margin: 0 12px !important;
  }

.gallerySwiper .swiper-pagination-bullet-active {
  background: var(--color-magenta);
  opacity: 1;
  }

/* デスクトップ向けスタイル */
@media screen and (min-width: 1024px) {
  .gallerySwiper .swiper-slide {
    height: 650px;
    }

  .galleryThumb {
    max-width: auto;
    height: 200px;
    padding: 10px;
    }
  }

/* セクション*Contact -------------------------------------- */
#contact {
  background: var(--color-magenta);
  padding-top: 100px;
  }

.contact__container {
  padding: var(--contents-padding);
  }

.contact__form {
  max-width: 300px;
  background-color: rgba(234,242,239,0.5);
  margin: 30px auto 0;
  padding: 20px 0 40px;
  }

.form__container {
  margin: 0 40px;
  }

.contact__form img {
  margin: 20px auto 40px;
  }

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: 30px;
  }

.contact__item:not(:nth-child(3)) {
  margin-bottom: 60px;
  }

.contact__label {
  width: 80px;
  flex-shrink: 0;
  text-align: left;
  }

.contact__input,
.contact__textarea {
  display:block;
  background: none;
  border: none;
  border-bottom: 2px solid var(--color-purple);
  color: var(--color-black);
  width: 100%;
  font-size: var(--fs-section-sub);
  transition:
    border-color .3s ease,
    filter .3s ease;
  }

.contact__input:focus,
.contact__textarea:focus {
  outline: none;
  border-bottom-color: var(--color-magenta);
  filter: drop-shadow(0 0 4px var(--color-magenta));
}

.contact__textarea {
  min-height: 180px;
  resize: none;
  }

.contact__field,.contact__field2 {
  position: relative;
  flex: 1;
  }

.contact__field2 {
  margin-top: 20px;
  }

.contact__field::before {
  content: "";
  position: absolute;
  bottom: -4px;
  left: -4px;
  width: 10px;
  height: 10px;
  background: var(--color-purple);
  transform: rotate(45deg);
  z-index: 1;
  }

.contact__field::after {
  content: "";
  position: absolute;
  bottom: -4px;
  right: -4px;
  width: 10px;
  height: 10px;
  background: var(--color-purple);
  transform: rotate(45deg);
  }

.contact__field2::before {
  content: "";
  position: absolute;
  bottom: -4px;
  left: -4px;
  width: 10px;
  height: 10px;
  background: var(--color-purple);
  transform: rotate(45deg);
  z-index: 1;
  }

.contact__field2::after {
  content: "";
  position: absolute;
  bottom: -4px;
  right: -4px;
  width: 10px;
  height: 10px;
  background: var(--color-purple);
  transform: rotate(45deg);
  }

.contact__form button {
  letter-spacing: .1rem;
  background: var(--color-purple);
  color: var(--color-white);
  border: none;
  padding: 15px;
  font-weight: 600;
  filter: drop-shadow(0 0 2px #0D090A);
  transition: var(--transition);
  }

.contact__form button:hover {
  background: var(--color-magenta);
  }

/* デスクトップ向けスタイル */
@media screen and (min-width: 1024px) {
  .contact__form {
    max-width: 600px;
    }

  .contact__label {
    width: 180px;
    font-size: var(--fs-section-sub);
    }

  .contact__form button {
    letter-spacing: .2rem;
    font-weight: 400;
    }
  }

/* footer ------------------------------------------------- */
footer {
  background:
    url("../images/footer_img.webp")
    center bottom
    repeat-x;
  background-color: var(--color-magenta);
  position: relative;
  }

.footer__container {
  font-size: var(--fs-small);
  color: var(--color-white);
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 100px 20px 5px;
  display: flex;
  flex-direction: column;
  align-items: center;
  }

.link__flex {
  font-size: var(--fs-section-sub);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  }

.footer__icon img {
  max-width: 32px;
  }

.page-top {
  position: fixed;
  bottom: 10%;
  right: -5%;
  width: 150px;
  height: auto;
  cursor: pointer;
  z-index: 2;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transform: translateY(20px);
  transition: .5s;
  pointer-events: none;
  }

.page-top.is-show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  }

.page-top img {
  max-width: 100px;
  height: auto;
  display: block;
  filter: drop-shadow(1px 1px 2px #0D090A);
  transition:.5s ease;
  }

/* デスクトップ向けスタイル */
@media screen and (min-width: 1024px) {
  .link__flex {
    font-size: var(--fs-menu);
    }

  .page-top img {
    max-width: 100%;
    }
  .page-top {
    bottom: 10px;
    right: 10px;
    }
  }