@charset "UTF-8";
html {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  -webkit-text-size-adjust: 100%;
}

*, :after, :before {
  background-repeat: no-repeat;
  -webkit-box-sizing: inherit;
          box-sizing: inherit;
}

:after, :before {
  text-decoration: inherit;
  vertical-align: inherit;
}

* {
  padding: 0;
  margin: 0;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

audio:not([controls]) {
  display: none;
  height: 0;
}

hr {
  overflow: visible;
}

article, aside, details, figcaption, figure, footer, header, main, menu, nav, section, summary {
  display: block;
}

summary {
  display: list-item;
}

small {
  font-size: 80%;
}

[hidden], template {
  display: none;
}

abbr[title] {
  border-bottom: 1px dotted;
  text-decoration: none;
}

a {
  background-color: transparent;
  -webkit-text-decoration-skip: objects;
}

a:active, a:hover {
  outline-width: 0;
}

code, kbd, pre, samp {
  font-family: monospace, monospace;
}

b, strong {
  font-weight: bolder;
}

dfn {
  font-style: italic;
}

mark {
  background-color: #ff0;
  color: #000;
}

sub, sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

input {
  border-radius: 0;
}

[role=button], [type=button], [type=reset], [type=submit], button {
  cursor: pointer;
}

[disabled] {
  cursor: default;
}

[type=number] {
  width: auto;
}

[type=search][type=search]::-webkit-search-cancel-button, [type=search]::-webkit-search-decoration {
  -webkit-appearance: none;
}

textarea {
  overflow: auto;
  resize: vertical;
}

button, input, optgroup, select, textarea {
  font: inherit;
}

optgroup {
  font-weight: 700;
}

button {
  overflow: visible;
}

[type=button]::-moz-focus-inner, [type=reset]::-moz-focus-inner, [type=submit]::-moz-focus-inner, button::-moz-focus-inner {
  border-style: 0;
  padding: 0;
}

[type=button]::-moz-focus-inner, [type=reset]::-moz-focus-inner, [type=submit]::-moz-focus-inner, button:-moz-focusring {
  outline: 1px dotted;
}

[type=reset], [type=submit], button, html [type=button] button, select {
  text-transform: none;
}

button, input, select, textarea {
  background-color: transparent;
  border-style: none;
  color: inherit;
}

select::-ms-expand {
  display: none;
}

select::-ms-value {
  color: currentColor;
}

legend {
  border: 0;
  color: inherit;
  display: table;
  max-width: 100%;
  white-space: normal;
}

::-webkit-file-upload-button {
  -webkit-appearance: button;
  font: inherit;
}

[type=search] img {
  border-style: none;
  vertical-align: bottom;
}

progress {
  vertical-align: baseline;
}

svg:not(:root) {
  overflow: hidden;
}

audio, canvas, progress, video {
  display: inline-block;
}

@media screen {
  [hidden~=screen] {
    display: inherit;
  }
  [hidden~=screen]:not(:active):not(:focus):not(:target) {
    position: absolute !important;
    clip: rect(0 0 0 0) !important;
  }
}
[aria-busy=true] {
  cursor: progress;
}

[aria-controls] {
  cursor: pointer;
}

[aria-disabled] {
  cursor: default;
}

::-moz-selection {
  background-color: #b3d4fc;
  color: #000;
  text-shadow: none;
}

::selection {
  background-color: #b3d4fc;
  color: #000;
  text-shadow: none;
}

ul, ol {
  list-style: none;
}

a {
  text-decoration: none;
}

img {
  max-width: 100%;
}

input, textarea {
  outline: none;
}

/* ブレイクポイントを登録 */
/* メディアクエリを関数に登録 */
:root {
  --font_ja:"Sawarabi Gothic", sans-serif;
  --font_en:"Lilita One", sans-serif;
  --text_color: #333;
  --color_top: #3a8ded;
  --color_bottom: #104d9c;
  --color_footer: #0035a0;
  --color_4: #111;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--text_color);
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  height: auto;
  background-image: -webkit-gradient(linear, left top, left bottom, from(var(--color_top)), to(var(--color_bottom)));
  background-image: linear-gradient(to bottom, var(--color_top), var(--color_bottom));
}

header {
  width: 100%;
  height: 100px;
  padding: 0 5%;
  background-color: rgba(255, 255, 255, 0.5333333333);
  backdrop-filter: blur(8px);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  position: fixed;
  z-index: calc(infinity);
  top: 0;
  left: 0;
}
header > h1 {
  font-family: var(--font_en);
  font-size: clamp(1.875rem, 1.688rem + 0.75vw, 2.25rem);
  color: var(--text_color);
}

.l-nav > ul {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 30px;
  font-size: 18px;
}
.l-nav > ul a {
  color: var(--text_color);
  padding: 8px 16px;
  font-weight: bold;
}
.l-nav > ul a:hover {
  text-decoration: underline;
}

/* リード文 */
.lead {
  margin: 140px 0 20px;
  text-align: center;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.6666666667);
  color: #ffffff;
  font-size: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  font-weight: bold;
  font-family: var(--font_ja);
  line-height: 2;
}

/* メインビジュアルのsvgアニメーション */
.svg-box {
  width: 38%;
  height: 400px;
  margin: 0 auto;
  position: relative;
}
.svg-box > p {
  font-family: var(--font_en);
  text-align: center;
  position: absolute;
  width: 60%;
  height: 50%;
  inset: 0;
  top: 60px;
  margin: auto;
  z-index: 10;
  color: #4e36ec;
  font-size: clamp(2rem, 1.75rem + 1vw, 2.5rem);
  -webkit-animation: text 5s 1s linear infinite;
          animation: text 5s 1s linear infinite;
}
@media (width <= 767px) {
  .svg-box > p {
    top: -30px;
  }
  .svg-box > p > span {
    margin-bottom: 0 !important;
  }
}
.svg-box > p > span {
  display: block;
  margin-bottom: 10px;
}
@media (width <= 767px) {
  .svg-box {
    width: 60%;
  }
}

.svg-box > svg {
  -webkit-animation: rote 5s 1s linear infinite;
          animation: rote 5s 1s linear infinite;
  /* border: 2px solid #92cff7; */
  border-radius: 50%;
}
.svg-box > svg > path {
  fill: #ffffff;
  fill-opacity: 0.5;
}

@-webkit-keyframes rote {
  0% {
    rotate: 0deg;
    scale: 1;
  }
  50% {
    scale: 1.2;
  }
  100% {
    rotate: 360deg;
    scale: 1;
  }
}

@keyframes rote {
  0% {
    rotate: 0deg;
    scale: 1;
  }
  50% {
    scale: 1.2;
  }
  100% {
    rotate: 360deg;
    scale: 1;
  }
}
@-webkit-keyframes text {
  0% {
    scale: 1;
  }
  50% {
    scale: 1.1;
  }
  100% {
    scale: 1;
  }
}
@keyframes text {
  0% {
    scale: 1;
  }
  50% {
    scale: 1.1;
  }
  100% {
    scale: 1;
  }
}
/* メインビジュアルの魚のアニメーション  */
.main-visual {
  position: relative;
  margin-bottom: 340px;
}
@media (width <= 960px) {
  .main-visual {
    margin-bottom: 100px;
  }
}

/* クマノミ */
.fish-1 {
  width: 20%;
  position: absolute;
  top: 0;
  left: 5%;
  animation: fish-1 1.6s ease-in-out infinite alternate-reverse;
}
@media (width <= 767px) {
  .fish-1 {
    width: 30%;
  }
}

/* チョウチョウウオ */
.fish-2 {
  width: 15%;
  position: absolute;
  top: -10%;
  right: 5%;
  animation: fish-2 1.4s ease-in-out infinite alternate-reverse;
}
@media (width <= 767px) {
  .fish-2 {
    width: 25%;
  }
}

/* ナンヨウハギ */
.fish-3 {
  width: 16%;
  position: absolute;
  bottom: -10%;
  right: 10%;
  animation: fish-3 1.4s ease-in-out infinite alternate-reverse;
}
@media (width <= 767px) {
  .fish-3 {
    width: 35%;
    right: 5%;
  }
}

/* サメ */
#fish-4 {
  width: 24%;
  position: absolute;
  bottom: -90%;
  right: 5%;
}

/* エイ */
.fish-5 {
  position: absolute;
  top: 36%;
  left: 1%;
  width: 20%;
}
@media (width <= 767px) {
  .fish-5 {
    width: 30%;
  }
}

/* ナンヨウハギ 縦 */
.fish-6 {
  position: absolute;
  top: 62%;
  right: 10%;
  width: 15%;
}
@media (width <= 767px) {
  .fish-6 {
    width: 20%;
  }
}

/* クマノミ 縦*/
.fish-7 {
  width: 14%;
  position: absolute;
  top: 80%;
  left: 5%;
}
@media (width <= 767px) {
  .fish-7 {
    width: 24%;
  }
}

/* マグロ */
#fish-8 {
  width: 18%;
  position: absolute;
  bottom: 30%;
  right: 0;
}
@media (width <= 767px) {
  #fish-8 {
    width: 25%;
    position: absolute;
    bottom: 29%;
    right: 0;
  }
}

@-webkit-keyframes fish-1 {
  0% {
    -webkit-transform: translateY(0);
            transform: translateY(0);
  }
  100% {
    -webkit-transform: translateY(16%);
            transform: translateY(16%);
  }
}

@keyframes fish-1 {
  0% {
    -webkit-transform: translateY(0);
            transform: translateY(0);
  }
  100% {
    -webkit-transform: translateY(16%);
            transform: translateY(16%);
  }
}
@-webkit-keyframes fish-2 {
  0% {
    -webkit-transform: translateY(0);
            transform: translateY(0);
  }
  100% {
    -webkit-transform: translateY(-12%);
            transform: translateY(-12%);
  }
}
@keyframes fish-2 {
  0% {
    -webkit-transform: translateY(0);
            transform: translateY(0);
  }
  100% {
    -webkit-transform: translateY(-12%);
            transform: translateY(-12%);
  }
}
@-webkit-keyframes fish-3 {
  0% {
    -webkit-transform: translateY(-14%);
            transform: translateY(-14%);
  }
  100% {
    -webkit-transform: translateY(0);
            transform: translateY(0);
  }
}
@keyframes fish-3 {
  0% {
    -webkit-transform: translateY(-14%);
            transform: translateY(-14%);
  }
  100% {
    -webkit-transform: translateY(0);
            transform: translateY(0);
  }
}
/* マップ */
#aqua-map {
  padding: 10px;
}
#aqua-map .map-img {
  background: url(../img/map.webp) no-repeat center center/cover;
  max-width: 840px;
  aspect-ratio: 3/2.4;
  margin: 20px auto;
  border-radius: 50%;
  padding-top: 20px;
  position: relative;
  -webkit-box-shadow: 0 0 30px #ffffff;
          box-shadow: 0 0 30px #ffffff;
}
#aqua-map .aqua-list > li {
  font-size: 18px;
  font-weight: bold;
}
#aqua-map .aqua-list > li > a {
  padding: 8px 16px;
  font-size: clamp(0.875rem, 0.813rem + 0.25vw, 1rem);
}
#aqua-map .aqua-list > li:nth-of-type(1) {
  position: absolute;
  top: 45%;
  left: 54%;
}
@media (width <= 767px) {
  #aqua-map .aqua-list > li:nth-of-type(1) {
    position: static;
  }
}
#aqua-map .aqua-list > li:nth-of-type(2) {
  position: absolute;
  bottom: 31%;
  left: 7%;
}
@media (width <= 767px) {
  #aqua-map .aqua-list > li:nth-of-type(2) {
    position: static;
  }
}
#aqua-map .aqua-list > li:nth-of-type(3) {
  position: absolute;
  top: 33%;
  left: 14%;
}
@media (width <= 767px) {
  #aqua-map .aqua-list > li:nth-of-type(3) {
    position: static;
  }
}
#aqua-map .aqua-list > li:nth-of-type(4) {
  position: absolute;
  bottom: 24%;
  right: 16%;
}
@media (width <= 767px) {
  #aqua-map .aqua-list > li:nth-of-type(4) {
    position: static;
  }
}
#aqua-map .aqua-list > li:nth-of-type(5) {
  position: absolute;
  bottom: 20%;
  left: 24%;
}
@media (width <= 767px) {
  #aqua-map .aqua-list > li:nth-of-type(5) {
    position: static;
  }
}

/* スマホ時のマップの調整 */
@media (width <= 767px) {
  .page#aqua-map {
    padding-bottom: 250px;
  }
  .aqua-list {
    position: absolute;
    padding-top: 360px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 20px 4%;
    z-index: 100;
  }
  .aqua-list > li {
    width: 48%;
    text-align: center;
  }
}
/* 各水族館部分 */
main {
  position: relative;
}

.page {
  padding: 10vh 10px;
  margin: 0 auto 160px;
  font-family: var(--font_ja);
  overflow-x: hidden;
  position: relative;
  scroll-margin-top: 100px;
}
.page#shinagawa {
  margin: 0 auto 60px;
}
.page > h2 {
  width: -webkit-fit-content;
  width: -moz-fit-content;
  width: fit-content;
  font-size: clamp(1.625rem, 1.25rem + 1.5vw, 2.375rem);
  color: #ffffff;
  margin: 0 auto 20px;
  padding: 20px 160px;
  text-align: center;
}

#sumida > h2 {
  background: url(../img/ei.png) no-repeat 0 40%/140px;
}

#aqua-park > h2 {
  background: url(../img/kurage.png) no-repeat 0 40%/140px;
}

#sunshine > h2 {
  background: url(../img/fish-2.png) no-repeat 0 40%/140px;
}

#kasai {
  margin-bottom: 200px;
}
#kasai > h2 {
  background: url(../img/maguro.png) no-repeat 0 40%/140px;
}

#shinagawa > h2 {
  background: url(../img/shark.png) no-repeat 0 70%/140px;
}

/* おすすめ度 */
.recommend {
  font-size: clamp(1.375rem, 1.25rem + 0.5vw, 1.625rem);
  font-weight: bold;
  margin-bottom: 30px;
  text-align: center;
  color: #ffffff;
}
.recommend > span {
  margin-left: 6px;
  color: #454545;
}

[data-recommend="5"] > span:nth-of-type(-n+5) {
  color: gold;
}

[data-recommend="4"] > span:nth-of-type(-n+4) {
  color: gold;
}

[data-recommend="3"] > span:nth-of-type(-n+3) {
  color: gold;
}

[data-recommend="2"] > span:nth-of-type(-n+2) {
  color: gold;
}

[data-recommend="1"] > span:nth-of-type(-n+1) {
  color: gold;
}

.page-lead {
  max-width: 720px;
  line-height: 1.8;
  margin: 0 auto 60px;
  color: #ffffff;
  font-size: clamp(0.875rem, 0.75rem + 0.5vw, 1.125rem);
}

.page-inner {
  max-width: 1260px;
  margin: 0 auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.gallery {
  width: 25%;
  aspect-ratio: 1/1;
  position: relative;
  margin: 0 auto;
}

/* 菱形ver */
.gallery-box {
  width: 100%;
  aspect-ratio: 1/1;
  background: url(../img/sumida1.jpg) no-repeat 100% 100%/cover;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}
.gallery-box:nth-of-type(1) {
  translate: 0 -6%;
  background: url(../img/sumida2.jpg) no-repeat 10% 50%/cover;
}
.gallery-box:nth-of-type(2) {
  position: absolute;
  top: 50%;
  left: -50%;
  translate: -3% -53%;
  background: url(../img/sumida3.jpg) no-repeat 30% 100%/cover;
}
.gallery-box:nth-of-type(3) {
  position: absolute;
  top: 50%;
  right: 0;
  background: url(../img/sumida4.jpg) no-repeat 80% 50%/cover;
  translate: 53% -53%;
}

#aqua-park .gallery-box {
  background: url(../img/aqua.jpg) no-repeat 100% 100%/cover;
}
#aqua-park .gallery-box:nth-of-type(1) {
  background: url(../img/aqua2.jpg) no-repeat 100% 100%/cover;
}
#aqua-park .gallery-box:nth-of-type(2) {
  background: url(../img/aqua3.jpg) no-repeat 100% 100%/cover;
}
#aqua-park .gallery-box:nth-of-type(3) {
  background: url(../img/aqua4.jpg) no-repeat 100% 100%/cover;
}

#sunshine .gallery-box {
  background: url(../img/san.jpg) no-repeat 100% 100%/cover;
}
#sunshine .gallery-box:nth-of-type(1) {
  background: url(../img/san2.jpg) no-repeat 100% 100%/cover;
}
#sunshine .gallery-box:nth-of-type(2) {
  background: url(../img/san3.jpg) no-repeat 100% 100%/cover;
}
#sunshine .gallery-box:nth-of-type(3) {
  background: url(../img/san4.jpg) no-repeat 100% 100%/cover;
}

#kasai .gallery-box {
  background: url(../img/kasai.jpg) no-repeat 100% 100%/cover;
}
#kasai .gallery-box:nth-of-type(1) {
  background: url(../img/kasai2.jpg) no-repeat 100% 100%/cover;
}
#kasai .gallery-box:nth-of-type(2) {
  background: url(../img/kasai3.jpg) no-repeat 100% 100%/cover;
}
#kasai .gallery-box:nth-of-type(3) {
  background: url(../img/kasai4.jpg) no-repeat 100% 100%/cover;
}

#shinagawa .gallery-box {
  background: url(../img/shinagawa1.jpg) no-repeat 100% 100%/cover;
}
#shinagawa .gallery-box:nth-of-type(1) {
  background: url(../img/shinagawa2.jpg) no-repeat 100% 100%/cover;
}
#shinagawa .gallery-box:nth-of-type(2) {
  background: url(../img/shinagawa3.jpg) no-repeat 100% 100%/cover;
}
#shinagawa .gallery-box:nth-of-type(3) {
  background: url(../img/shinagawa4.jpg) no-repeat 100% 100%/cover;
}

/* 水族館の情報部分 */
.page-text {
  width: 46%;
  height: 600px;
  -ms-flex-item-align: center;
      align-self: center;
  padding: 16px;
  background-color: rgba(179, 212, 252, 0.6745098039);
  border-radius: 20px;
}
.page-text > h2 {
  font-size: 22px;
  margin-bottom: 6px;
}
.page-text .point {
  margin-bottom: 16px;
}

.access {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  gap: 18px 0;
  margin-bottom: 20px;
}
.access > dt {
  width: 25%;
}
.access > dd {
  width: 70%;
}

.g-map {
  padding: 10px;
  width: 260px;
  margin: 0 auto 30px;
  background: url(../img/modal.svg) no-repeat 90% center/20px;
}

.official-site {
  padding: 10px;
  width: 260px;
  margin: 0 auto 20px;
  background: url(../img/modal.svg) no-repeat 90% center/20px;
}

.note {
  max-width: 1260px;
  margin: 10px auto;
  font-size: 16px;
  text-align: right;
  padding-left: 1em;
  color: #ffffff;
}
@media (width <= 767px) {
  .note {
    text-align: left;
  }
}

/* ティッカーアニメーション */
.ticker {
  font-family: var(--font_en);
  width: -webkit-fit-content;
  width: -moz-fit-content;
  width: fit-content;
  height: -webkit-fit-content;
  height: -moz-fit-content;
  height: fit-content;
  font-size: clamp(3.75rem, 0.625rem + 12.5vw, 10rem);
  font-weight: bold;
  white-space: nowrap;
  color: #b4d5f2;
  text-indent: 2em;
  margin: 120px 0 0;
  -webkit-animation: ticker 10s linear infinite;
          animation: ticker 10s linear infinite;
}
.ticker > span {
  padding-left: 2em;
}

@-webkit-keyframes ticker {
  0% {
    -webkit-transform: translateX(0);
            transform: translateX(0);
  }
  100% {
    -webkit-transform: translateX(-50%);
            transform: translateX(-50%);
  }
}

@keyframes ticker {
  0% {
    -webkit-transform: translateX(0);
            transform: translateX(0);
  }
  100% {
    -webkit-transform: translateX(-50%);
            transform: translateX(-50%);
  }
}
/* よくある質問 */
#faq {
  margin-bottom: 260px;
}
#faq > h2 {
  margin-bottom: 60px;
  background: none;
}
#faq > h2::before {
  display: block;
  content: attr(data-en);
  font-size: 24px;
  color: #e6e619;
}

/* アコーディオンパネル */
details {
  width: 80%;
  margin: 0 auto 30px;
  /* --------アコーディオンの中身のスタイル-------- */
  /* --------アコーディオンの中身のスタイル（開いている時）-------- */
  /* アコーディオンが開いた時のスタイル */
}
details::details-content {
  -webkit-transition: height 0.4s, opacity 0.4s, content-visibility 0.4s allow-discrete;
  transition: height 0.4s, opacity 0.4s, content-visibility 0.4s allow-discrete;
  height: 0;
  opacity: 0;
  overflow: clip;
}
details[open]::details-content {
  opacity: 1;
}
details[open] .icon {
  -webkit-transform: rotate(180deg);
          transform: rotate(180deg);
}

@supports (interpolate-size: allow-keywords) {
  :root {
    interpolate-size: allow-keywords; /* height:0（数値型） → auto（文字型） のアニメーションを可能にするための指定 */
  }
  details[open]::details-content {
    height: auto;
  }
}
@supports not (interpolate-size: allow-keywords) {
  details[open]::details-content {
    height: 150px;
    overflow-y: scroll; /* 溢れる場合はスクロール可能にする */
  }
}
summary {
  display: grid;
  grid-template-columns: 1fr 24px;
  gap: 6px;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  padding: 20px;
  font-weight: bold;
  color: #ffffff;
  cursor: pointer;
  border-radius: 200px;
  margin-bottom: 20px;
  background-color: var(--color_footer);
  /* Safariで表示されるデフォルトの三角形アイコンを消す */
}
summary::-webkit-details-marker {
  display: none;
}

/* --------アイコン部分-------- */
.icon {
  display: block;
  position: relative;
  width: 24px;
  margin-left: 6px;
  -ms-flex-negative: 0;
      flex-shrink: 0;
  -webkit-transform-origin: center 43%;
          transform-origin: center 43%;
  -webkit-transition: -webkit-transform 0.4s;
  transition: -webkit-transform 0.4s;
  transition: transform 0.4s;
  transition: transform 0.4s, -webkit-transform 0.4s;
  /* アイコンのバーのスタイル */
}
.icon::before, .icon::after {
  content: "";
  position: absolute;
  display: block;
  width: 15px;
  height: 3px;
  background-color: #ffffff;
}
.icon::before {
  left: 0;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
}
.icon::after {
  right: 0;
  -webkit-transform: rotate(-45deg);
          transform: rotate(-45deg);
}

/* --------アコーディオンの中身のスタイル-------- */
.content {
  width: 100%;
  height: auto;
  background-color: #efefef;
  padding: 20px;
  border-radius: 200px;
}

/* footer部分 */
footer {
  width: 100%;
  height: 160px;
  background-color: var(--color_footer);
  color: #ffffff;
  position: relative;
}
footer::before {
  display: block;
  content: "";
  position: absolute;
  z-index: 200;
  top: -248px;
  left: 0;
  width: 100%;
  height: 250px;
  background: url(../img/wave.svg) no-repeat center center/cover;
}
footer .copyright {
  padding-top: 50px;
  text-align: center;
  font-size: 20px;
}

/* チンアナゴ */
#anago {
  position: absolute;
  top: -260px;
  left: 30%;
  width: 260px;
  height: 260px;
  overflow: hidden;
  z-index: 200;
}
#anago > img {
  width: 100%;
  height: 100%;
  translate: 0 100px;
  -webkit-transition: 0.2s ease-in;
  transition: 0.2s ease-in;
}
#anago > img.anago-scroll {
  translate: 0 0;
}

/* ホバーアニメーション */
.hover-btn {
  display: block;
  color: var(--text_color);
  border: 1px solid var(--text_color);
  position: relative;
}
.hover-btn::before {
  content: "";
  position: absolute;
  bottom: -7px;
  right: -7px;
  width: 100%;
  height: 2px;
  background-color: var(--text_color);
  -webkit-transition: 0.2s ease 0s;
  transition: 0.2s ease 0s;
}
.hover-btn::after {
  content: "";
  position: absolute;
  top: 7px;
  right: -7px;
  width: 2px;
  height: 100%;
  background-color: var(--text_color);
  -webkit-transition: 0.2s ease 0.2s;
  transition: 0.2s ease 0.2s;
}
.hover-btn:hover {
  background-color: #d7e7f6;
  -webkit-transition: 0.2s ease;
  transition: 0.2s ease;
}
.hover-btn:hover::before {
  width: 0%;
}
.hover-btn:hover::after {
  height: 0%;
}

/* topに戻るボタン */
#to-top {
  display: block;
  width: 240px;
  height: 240px;
  text-indent: 100%;
  white-space: nowrap;
  overflow: hidden;
  position: absolute;
  z-index: 200;
  bottom: 120px;
  left: 80%;
  background: url(../img/to-top.png) no-repeat center bottom/contain;
  -webkit-transition: 0.3s ease-in;
  transition: 0.3s ease-in;
}
#to-top:hover {
  background: url(../img/to-top-open.png) no-repeat center bottom/contain;
}

.konbu-1 {
  width: 280px;
  aspect-ratio: 1/1;
  background: url(../img/konbu.png) no-repeat center center/contain;
  position: absolute;
  top: -260px;
  left: 0;
  z-index: 300;
}

.konbu-2 {
  width: 180px;
  aspect-ratio: 1/1;
  background: url(../img/konbu.png) no-repeat center center/contain;
  position: absolute;
  top: -180px;
  left: 8%;
  z-index: 300;
}

/* btn_1のコンポーネント */
a.btn_1 {
  display: block;
  position: relative;
  z-index: 1;
  background-color: #ffffff;
  border: 4px solid var(--color_footer);
  color: var(--text_color);
  overflow: hidden;
  -webkit-transition: 0.2s;
  transition: 0.2s;
  border-radius: 6px;
}
a.btn_1::after {
  display: block;
  content: "";
  width: 18%;
  aspect-ratio: 1/1;
  background-color: var(--color_footer);
  position: absolute;
  top: 0;
  left: 0;
  rotate: 45deg;
  translate: -50% -50%;
  z-index: -1;
  -webkit-transition: 0.5s;
  transition: 0.5s;
}
a.btn_1:hover {
  color: #ffffff;
}
a.btn_1:hover::after {
  scale: 20;
}

/* リード文の改行 */
.sp {
  display: none;
}

/* 1180px以下の画面幅でのスタイル調整------------------------- */
@media (width <= 1180px) {
  /* 菱形ver */
  .gallery {
    height: -webkit-fit-content;
    height: -moz-fit-content;
    height: fit-content;
  }
  .gallery .gallery-box:nth-of-type(1) {
    translate: 0;
  }
  .gallery .gallery-box:nth-of-type(2) {
    translate: 0 -50%;
  }
  .gallery .gallery-box:nth-of-type(3) {
    translate: 50% -50%;
  }
}
/* 960px以下の画面幅でのスタイル調整------------------------- */
@media (width <= 960px) {
  .page {
    padding: 10vh 10px;
    margin: 0 auto 100px;
  }
  .page:nth-of-type(n+2)::after {
    display: block;
    content: "";
    width: 90%;
    height: 6px;
    margin: 100px auto 0;
    background-color: rgba(158, 187, 222, 0.4941176471);
    border-radius: 200px;
  }
  .page:nth-of-type(n+5)::after {
    display: none;
  }
  .page#shinagawa {
    margin: 0 auto 60px;
  }
  .page > h2 {
    width: 100%;
    margin: 0 auto 20px;
    padding: 20px;
  }
  #sumida > h2 {
    background: url(../img/kumanomi-left.png) no-repeat 0 40%/80px;
  }
  #aqua-park > h2 {
    background: url(../img/kurage.png) no-repeat 0 40%/80px;
  }
  #sunshine > h2 {
    background: url(../img/fish-2.png) no-repeat 0 40%/80px;
  }
  #kasai {
    margin-bottom: 100px;
  }
  #kasai > h2 {
    background: url(../img/maguro.png) no-repeat 0 40%/80px;
  }
  #shinagawa > h2 {
    background: url(../img/shark.png) no-repeat 0 70%/80px;
  }
  /* おすすめ度 */
  .recommend {
    font-size: clamp(1.375rem, 1.25rem + 0.5vw, 1.625rem);
    font-weight: bold;
    margin-bottom: 30px;
    text-align: center;
    color: #ffffff;
  }
  .recommend > span {
    margin-left: 6px;
    color: #454545;
  }
  .page-lead {
    max-width: 720px;
    line-height: 1.8;
    margin: 0 auto 60px;
    color: #ffffff;
    font-size: clamp(0.875rem, 0.75rem + 0.5vw, 1.125rem);
  }
  .page-inner {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    gap: 50px 0;
  }
  /* 横並びver */
  .gallery {
    width: 100%;
    aspect-ratio: auto;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
  .gallery .gallery-box {
    position: static;
    width: 50%;
    aspect-ratio: 1/1;
  }
  .gallery .gallery-box:nth-of-type(1) {
    translate: 0;
  }
  .gallery .gallery-box:nth-of-type(2) {
    translate: 0;
  }
  .gallery .gallery-box:nth-of-type(3) {
    translate: 0;
  }
  /* 水族館の情報部分 */
  .page-text {
    width: 100%;
    height: auto;
    -ms-flex-item-align: center;
        align-self: center;
    padding: 16px;
    background-color: rgba(179, 212, 252, 0.6745098039);
    border-radius: 20px;
  }
  .page-text > h2 {
    font-size: 22px;
    margin-bottom: 6px;
  }
  .page-text .point {
    margin-bottom: 16px;
  }
  .access {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 18px 0;
    margin-bottom: 20px;
  }
  .access > dt {
    width: 25%;
  }
  .access > dd {
    width: 70%;
  }
  .g-map {
    padding: 10px;
    width: 260px;
    margin: 0 auto 30px;
    background: url(../img/modal.svg) no-repeat 90% center/20px;
  }
  .official-site {
    padding: 10px;
    width: 260px;
    margin: 0 auto 20px;
    background: url(../img/modal.svg) no-repeat 90% center/20px;
  }
  .note {
    font-size: 14px;
    text-indent: -1em;
    padding-left: 1em;
  }
  /* topに戻るボタン */
  #to-top {
    display: none;
    width: 100px;
    height: 100px;
    z-index: 400;
    position: fixed;
    bottom: 0;
    left: 76%;
    background: url(../img/to-top-open.png) no-repeat center bottom/contain;
    -webkit-transition: none;
    transition: none;
  }
  #to-top.scroll {
    display: block;
  }
}
/* 767px以下の画面幅でのスタイル調整------------------------- */
@media (width <= 767px) {
  header {
    width: 100%;
    height: auto;
    padding: 10px 5%;
    background-color: rgba(255, 255, 255, 0.6);
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
  }
  header > h1 {
    margin-bottom: 16px;
  }
  header .l-nav > ul {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    gap: 30px;
    font-size: 16px;
  }
  main {
    padding: 0 10px;
  }
  /* アコーディオンパネル */
  details {
    width: 100%;
    font-size: 14px;
  }
  details summary {
    padding: 20px 14px;
  }
  /* footer部分 */
  footer {
    width: 100%;
    height: 160px;
    background-color: var(--color_footer);
    color: #ffffff;
    position: relative;
  }
  footer::before {
    display: block;
    content: "";
    position: absolute;
    z-index: 200;
    top: -248px;
    left: 0;
    width: 100%;
    height: 250px;
    background: url(../img/wave.svg) no-repeat center center/cover;
  }
  footer .copyright {
    padding-top: 50px;
    text-align: center;
    font-size: 20px;
  }
  /* チンアナゴ */
  #anago {
    position: absolute;
    top: -220px;
    left: 30%;
    width: 180px;
    height: 180px;
  }
  .konbu-1 {
    width: 180px;
    aspect-ratio: 1/1;
    top: -200px;
    left: -40px;
  }
  .konbu-2 {
    width: 140px;
    top: -160px;
    left: 20px;
  }
  /* リード文の改行 */
  .sp {
    display: block;
  }
}/*# sourceMappingURL=style.css.map */