@charset "UTF-8";
*,
*::before,
*::after {
  box-sizing: border-box;
}

body, h1, h2, h3, h4, figure, blockquote, dl, dd, ul, li {
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

html {
  font-size: 62.5%;
  -webkit-font-smoothing: antialiased;
}
html:focus-within {
  scroll-behavior: smooth;
}

img,
picture,
video,
canvas {
  display: block;
  max-width: 100%;
}

ul li {
  list-style: none;
}

body {
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: 1.6rem;
  font-weight: 500;
}

a {
  color: limegreen;
}
a:hover {
  text-decoration: none;
}

h2, h3, h4, h5, h6 {
  margin-bottom: 0.5em;
}

h2 {
  font-size: 1.8em;
}

h3 {
  font-size: 1.5em;
}

h4 {
  font-size: 1.2em;
}

hr {
  margin: 1em 0;
  border: none;
}
hr[class] {
  border-top: 1px solid #DDD;
  margin: 2em 0 2em -1.5rem;
}

table {
  min-width: 50%;
  margin: 2em 0;
  border-collapse: collapse;
  background: #FFF;
  color: #444;
}

th, td {
  border-left: 1px solid #DDD;
  border-right: 1px solid #DDD;
  padding: 0 0.5em;
}

th {
  border-bottom: 1px solid #BBB;
}

tfoot {
  border-top: 1px solid #BBB;
}

td {
  font-size: 0.95em;
}

caption {
  text-align: left;
  padding-bottom: 0.5em;
}
caption::after {
  content: "-";
}
caption::before {
  content: "-";
}

/*------------------------------------------------------------
	ファーストビジュアル
------------------------------------------------------------*/
@keyframes fv-fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes fv-scrollX {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-100%);
  }
}
@keyframes fv-color {
  0% {
    filter: none;
  }
  39% {
    filter: none;
  }
  40% {
    filter: hue-rotate(95deg) sepia(50%) brightness(0.9);
  }
  45% {
    filter: hue-rotate(190deg);
  }
  60% {
    filter: hue-rotate(190deg);
  }
  65% {
    filter: hue-rotate(30deg) brightness(0.7);
  }
  95% {
    filter: hue-rotate(30deg) brightness(0.7);
  }
  100% {
    filter: none;
  }
}
.fv__flower::after, .fv__flower::before, .fv__yashi, .fv__sea, .fv {
  position: fixed;
  width: 100%;
  height: 100%;
  background: no-repeat center center/cover;
}

.fv {
  z-index: -1;
  top: 0;
  left: 0;
}

.fv__sky {
  background-color: #86d1fa;
  position: fixed;
  z-index: -100;
  display: flex;
  justify-content: center;
}
.fv__sky::before {
  content: url("../img/bg_sky_repeat.webp");
}
.fv__sky::after {
  content: url("../img/bg_sky_repeat.webp");
  margin-left: -0.5px;
}
.fv__sky::before, .fv__sky::after {
  height: 100vh;
  max-width: initial;
  animation: fv-scrollX 60s linear infinite, fv-color 60s linear infinite;
}

.fv__sea {
  z-index: -90;
  background-image: url("../img/bg_seas.webp");
  background-position: bottom left;
  background-size: auto;
  animation: fv-fade 1s;
}

.fv__yashi {
  z-index: -80;
  background: url("../img/bg_yashi_.webp") no-repeat bottom 100px right -150px;
  background-size: contain;
  animation: fv-fade 3s 0.75s both;
}
@media screen and (max-width: 1024px) {
  .fv__yashi {
    background-position: bottom 100px right -10vh;
    background-size: 100vmin;
  }
}

.fv__flower {
  position: fixed;
  z-index: 77;
  animation: fv-fade 3s 1.5s both;
  pointer-events: none;
}
.fv__flower::before {
  content: "";
  display: block;
  background: url("../img/bg_flower_left.webp") no-repeat bottom left;
  background-size: auto 41.67vh;
  bottom: 0;
  left: 0;
}
@media screen and (max-width: 1024px) {
  .fv__flower::before {
    background-size: 65vw auto;
  }
}
.fv__flower::after {
  content: "";
  display: block;
  background: url("../img/bg_flower_right.webp") no-repeat bottom right;
  bottom: 0;
  right: 0;
  background-size: auto 34.72vh;
}
@media screen and (max-width: 1024px) {
  .fv__flower::after {
    background-size: 35vw auto;
  }
}

.fv__taro {
  animation: fv-fade 3s 2s both;
  position: fixed;
  z-index: 66;
  bottom: 5%;
  right: 16%;
  width: 19.79vw;
  transition: transform 0.4s;
}
@media screen and (max-width: 1024px) {
  .fv__taro {
    width: 35vw;
  }
}
.fv__taro:hover {
  transform: scale(1.1);
}

.h1-sitename {
  position: relative;
  margin-top: 40vh;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  justify-content: center;
  font-family: Dokdo;
  font-size: 6.5rem;
  font-weight: lighter;
  line-height: 1;
  color: #000;
  text-shadow: 0 0 2px rgba(0, 0, 0, 0.75);
  animation: h1Slide 1s linear 2s reverse both;
}
@media screen and (min-width: 1024px) {
  .h1-sitename {
    font-size: 9rem;
  }
}
.h1-sitename::before, .h1-sitename::after, .h1-sitename span {
  position: relative;
  display: block;
}
.h1-sitename::before {
  content: "cocc";
  text-align: right;
  animation: slideBefore 2s 2s both, opacity 0.75s ease-in 5s reverse forwards, Width1 1.5s 5s linear forwards;
}
.h1-sitename::after {
  content: "is";
  animation: slideAfter 1.75s 2s both, opacity 0.75s ease-in 5s reverse forwards, Width2 1.5s 5s linear forwards;
}

.h1-o {
  animation: slideO1 2s 2s both;
}

.h1-rzo {
  animation: opa50 3s 2s both, opa50-100 1s 5s linear forwards;
}

.h1-r {
  transform: translateY(-0.05em);
  display: inline-block !important;
}

.h1-ne {
  animation: slideNE 1.75s 2s both;
}

.h1-n {
  transform: translateY(0.05em);
  display: inline-block !important;
}

.h1-e {
  transform: translateY(-0.1em);
  display: inline-block !important;
}

@keyframes opacity {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@keyframes opa50 {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 0.4;
  }
}
@keyframes opa50-100 {
  0% {
    opacity: 0.4;
  }
  100% {
    opacity: 1;
  }
}
@keyframes slideR {
  0% {
    right: -0.5em;
  }
  100% {
    right: 0;
  }
}
@keyframes slideO1 {
  0% {
    right: -0.325em;
  }
  100% {
    right: 0;
  }
}
@keyframes slideO2 {
  0% {
    left: -0.5em;
  }
  100% {
    left: 0;
  }
}
@keyframes slideNE {
  0% {
    left: -1em;
  }
  100% {
    left: 0;
  }
}
@keyframes slideBefore {
  0% {
    right: -0.32em;
  }
  100% {
    right: 0;
  }
}
@keyframes slideAfter {
  0% {
    left: -1em;
  }
  100% {
    left: 0;
  }
}
@keyframes Width1 {
  0% {
    width: 1.95em;
  }
  100% {
    width: 0em;
  }
}
@keyframes Width2 {
  0% {
    width: 0.9em;
  }
  100% {
    width: 0em;
  }
}
@keyframes h1Slide {
  0% {
    left: -0.25em;
  }
  100% {
    left: 0;
  }
}
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 4rem;
  padding: 0 2rem;
}
header a {
  color: inherit;
  text-decoration: none;
}
header h1 {
  font-size: 2.8rem;
  font-weight: 700;
}
header nav {
  font-size: 2rem;
}
header nav > ul {
  display: flex;
  font-weight: 700;
}
header nav > ul li {
  margin-left: 1em;
}
@media screen and (max-width: 375px) {
  header nav {
    display: none;
  }
}

#burger-input {
  opacity: 0;
  position: fixed;
  top: -10vh;
  /* Inputにチェックが入ってるとき */
  /* ナビ・キーボードフォーカス設定 */
}
#burger-input:checked + .burger-line span {
  top: calc(50% - 2.5px);
  bottom: initial;
}
#burger-input:checked + .burger-line .burger-line2 {
  opacity: 0;
}
#burger-input:checked + .burger-line .burger-line1 {
  transform: rotate(-45deg);
}
#burger-input:checked + .burger-line .burger-line3 {
  transform: rotate(45deg);
}
#burger-input:focus-visible + .burger-line {
  background: yellow;
  outline: 10px solid yellow;
}

.burger-line {
  width: 3.2rem;
  height: 2.8rem;
  margin: 1rem;
  cursor: pointer;
  position: fixed;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  display: none;
}
.burger-line span {
  display: block;
  position: absolute;
  width: 100%;
  height: 5px;
  border-radius: 5px;
  background: #111;
  transition: transform 0.4s;
}
.burger-line1 {
  top: 0;
}
.burger-line2 {
  top: calc(50% - 2.5px);
}
.burger-line3 {
  bottom: 0;
}
@media screen and (max-width: 375px) {
  .burger-line {
    display: block;
    opacity: 1;
    visibility: visible;
  }
}
.burger-line.is-show {
  animation: fadeIn 0.5s forwards;
}
.burger-line.is-hide {
  animation: fadeOut 0.5s forwards;
}

footer {
  position: relative;
  z-index: 99;
  padding: 10vh 0;
  font-family: serif;
  text-align: center;
}

main {
  padding: 50vh 5vw 75vh;
}
main section {
  background: rgba(255, 255, 255, 0.94);
  border-radius: 1rem;
  border-top: 1.5rem solid #F88888;
  box-shadow: 0.1rem 0.5rem 0.5rem rgba(0, 0, 0, 0.1);
  padding: 1rem 2rem 1rem 4rem;
  max-width: 96rem;
  width: 65vw;
  margin: 7.5rem auto;
}
main section h2, main section h3 {
  margin-left: -2rem;
}
main section p, main section dl, main section ul, main section ol {
  margin-bottom: 1em;
}
main section ol, main section ul:not([class]) {
  padding-left: 1em;
}
main section ol li, main section ul:not([class]) li {
  list-style: unset;
}
main section iframe {
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
  padding: 0 2rem 2rem 0;
}

.ul-yoko {
  display: flex;
  flex-wrap: wrap;
}
.ul-yoko li:not(:last-child) {
  margin-right: 0.5em;
}

.tag {
  font-size: 0.8em;
}
.tag li {
  background: #FFF;
  border-radius: 1.1rem;
  border: 1px solid #CCC;
  color: #666;
  font-weight: 600;
  padding: 0.15em 0.6em 0.15em 0.2em;
}