@charset "UTF-8";

/* ==========
 Reset CSS
==========  */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

ul,
ol {
    list-style: none;
}

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

/* ==========
 root 
==========  */
:root {
    --color-black: #222222;
    --color-white: #FFFFFF;
    --color-main: #1B3B7A;
    --color-base: #E4E8EE;
    --color-accent: #DCB463;
}

/* ==========
 common
==========  */
/* body */
body {
    background-color: #1B3B7A;
    font-family: "BIZ UDPGothic", "Helvetica Neue", Arial, "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
    font-weight: normal;
    color: var(--color-black);
}

/* header.php */
header {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 7.5vh;
    padding: 0 50px;
    background-color: #FFFFFF;
}

.logo {
    position: relative;
}

.logo a {
    font-size: 24px;
    color: var(--color-black);
}

.logo a:hover {
    color: var(--color-accent);
    opacity: 0.8;
}

.logo a:before {
    content: "";
    position: absolute;
    top: -15px;
    bottom: -15px;
    left: -20px;
    right: -20px;
}

/* hamburger-menu */
.hamburger {
    display: none;
}

/* menu */
.menu {
    display: flex;
    align-items: center;
}

/* nav */
nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

nav ul {
    display: flex;
    align-items: center;
    font-size: 20px;
    color: var(--color-black);
}

nav li + li {
    border-left: 2px solid var(--color-black);
    padding-left: 2vw;
    margin-left: 2vw;
}

nav li a {
    position: relative;
}

nav li a::before {
    content: "";
    position: absolute;
    top: -10px;
    bottom: -10px;
    left: -15px;
    right: -15px;
}

nav a:hover {
    color: var(--color-accent);
    opacity: 0.8;
}

/* English-button */
.language-group {
    display: none;
    align-items: center;
    margin-left: 30px;
    gap: 10px;
}

.toggle-button {
    display: inline-block;
    position: relative;
    width: clamp(60px, 4.2vw, 80px);
    height: clamp(30px, 3.4vh, 40px);
    border-radius: 70px;
    background-color: #C6CCD9;
    box-sizing: content-box;
    cursor: pointer;
    transition: background-color .4s;
}

.toggle-button:has(:checked) {
    background-color: #5571A9;
}

.toggle-button::after {
    position: absolute;
    top: 50%;
    left: 0.3vw;
    transform: translateY(-50%);
    width: clamp(25px, 1.5vw, 30px);
    height: clamp(25px, 1.5vw, 30px);
    border-radius: 70%;
    background-color: var(--color-white);
    content: '';
    transition: left .4s;
}

.toggle-button:has(:checked)::after {
    left: clamp(30px, 2.4vw, 47px);
    background-color: var(--color-white);
}

.toggle-button input {
    display: none;
}

.language-group span {
    font-size: 20px;
}

/* footer.php */
footer {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    height: 6vh;
    padding: 0 3vh;
    background-color: #FFFFFF;
}

.color-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: auto;
}

footer img {
    max-height: 3.8vh;
    width:auto;
}

.color-list ul {
    display: flex;
    align-items: center;
    gap: 1vw;
    padding: 0.5vw;
    border: 1px solid #D7D7D7;
    font-size: 13px;
    color: var(--color-black);
}

.color-base {
    color: var(--color-base);
}

.color-main {
    color: var(--color-main);
}

.color-accent {
    color: var(--color-accent);
}

footer p {
    position: absolute;
    left:50%;transform: translateX(-50%);
    font-size: 15px;
}

/* frame-deco1.php */
.frame-deco1 img {
    width: auto;
    height: min(4.2vh,4.2vw);
    margin: 0.525vh auto;
}

/* frame-deco2.php */
.frame-deco2 {
    width: 0.5vw;
    height: auto;
    margin: auto 2.25vw;
}

/* main-content */
.main-content {
    display: flex;
    justify-content: center;
    align-items: space-between;
    margin: 0 auto;    
}

/* main-container */
.main-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 90vw;
    height: 76vh;
    overflow: hidden;
    border-radius: 40px;
    background: var(--color-base);
}

.main-container::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("../images/grid.png");
    background-size: auto 140%;
    background-position: var(--bg-x, 50%) var(--bg-y, 50%);
    background-repeat: no-repeat;
    z-index: 0;
    pointer-events:none;
}

/* inner-container */
.inner-container {
    position: relative;
    width: 88.5vw;
    height: 73vh;
    z-index: 1;
    margin: 0 auto;
    border-radius: 40px;
    border:3px solid var(--color-main);
}

/* ==========
 index.php
==========  */
/* floating-star */
.floating-star {
    position: absolute;
    height: auto;
    pointer-events: none;
    z-index: 0;
}

.star1 {
    width: 30px;
    top: 15%;
    left: 15%;
    transition: transform 0.3s ease-out;
}

.star2 {
    width: 28px;
    top: 30%;
    right: 20%;
    transition: transform 0.2s ease-out;
}

.star3 {
    width: 35px;
    bottom: 5%;
    left: 40%;
    transition: transform 0.1s ease-out;
}

.star4 {
    width: 18px;
    top: 8%;
    left: 45%;
    transition: transform 0.2s ease-out;
}

.star5 {
    width: 23px;
    bottom: 20%;
    left: 20%;
    transition: transform 0.3s ease-out;
}

.star6 {
    width: 28px;
    bottom: 10%;
    right: 15%;
    transition: transform 0.2s ease-out;
}

/* wav-circle */
.wave-circle {
    position: absolute;
    width: min(70vh,70vw);
    height: min(70vh,70vw);
    overflow: visible;
    z-index: 0;
}

.wave-circle path {
    fill: none;
    stroke: var(--color-accent);
    stroke-width: 1.5;
}

.wave-circle-3 path { 
    stroke-width: 1;
}

.wave-circle-1 {
    transform: scale(1.05) rotate(23deg);
}

.wave-circle-2 {
    transform: scale(1.2) rotate(40deg);
}

.wave-circle-3 {
    transform: scale(1.6) rotate(0deg);
}

/* main-group */
.main-group {
    position: absolute;
    inset: 0;
    z-index: 2;
}

/* button-group */
.button-group1,
.button-group2 {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3.7vh;
}

.button-group1 {
    left: 3.5%;
    top: 6%;
}

.button-group2 {
    right: 3.5%;
    bottom: 6%;
}

.button-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    font-size: 18px;
    color: var(--color-main);
    letter-spacing: 1.8px;
}

.button-item img {
    width: auto;
    width: min(21vh,20vw);
    height: min(21vh,20vw);
    aspect-ratio: 1/1;
}

.button-item p {
    position: relative;
    z-index: 2;
}

/* ripple button */
.ripple-button {
    position: relative;
    display: block;
    z-index: 1;
}

.ripple-button::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 100%;
    height: 100%;
    transform: translate(-50%, -50%) scale(0.8);
    border: 17px solid var(--color-white);
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
    z-index: -1;
    transition:
        transform 0.5s ease,
        opacity 0.2s ease;
}

.ripple-button:hover::after,
.ripple-button.active::after {
    opacity: 1;
    transform: translate(-50%,-50%) scale(1);
}

/* curtain-group */
.curtain-group-left,
.curtain-group-right {
    position: absolute;
    display: flex;
    gap: 25px
}

.curtain-group-left{
    align-items: flex-start;
    left: 20%;
    top: -0.15%;
}

.curtain-group-right {
    align-items: flex-end;
    right: 20%;
    bottom: -0.15%;
}

.curtain-group-left img,
.curtain-group-right img {
    width: 36px;
    height: 100%;
}

/* hashtag-group */
.hashtag-group {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    left: 3%;
    bottom: 5%;
    gap: 5px;
}

.hashtag-row {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 5px;
}

.hastag-item {
    display: inline-block;
    padding: 10px 20px;
    font-size: 15px;
    color: var(--color-main);
    border:1px solid var(--color-main);
    background-color: rgba(255, 255, 255, 0.7);
}

/* logo-group */
.logo-group {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: min(61.5vh, 60vw);
    height: min(61.5vh, 60vw);
    aspect-ratio: 1/1;
}

.logo-frame {
    display: block;
    height: 100%;
    width: auto;
}

.logo-name,
.logo-image1,
.logo-image2,
.logo-image3,
.logo-image4 {
    position: absolute;
    transform: translateX(-50%);
    width: auto;
    left: 50%;
}

.logo-name {
    top: 50%;
    height: 28.5%;
    transform: translate(-50%, -50%);
    filter: drop-shadow(0.3vw 0.6vh 4px rgba(0, 0, 0, 20%));
}

.logo-image1 {
    top: 18%;
    height: 4.8%;
}

.logo-image2 {
    top: 25%;
    height: 9%;
}

.logo-image3 {
    bottom: 27%;
    height: 5.1%;
}

.logo-image4 {
    bottom: 14%;
    height: 9%;
}

/* time-group */
.time-group {
    position: absolute;
    top: 4%;
    right: 3%;
    padding: 0.45vh;
    text-align: center;
    font-size: 18px;
    letter-spacing: 3px;
    line-height: 1.5;
    color: var(--color-main);
    border-bottom: 2px solid var(--color-main);
}

.time-mini-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 5px 0;
    gap: 0.5vw;
}

.time-alive {
    display: inline-block;
    padding: 3px 10px;
    border: 1px solid var(--color-main);
    border-radius: 30px;
    font-size: 13px;
}

.time-time {
    animation: timeBlink 2s ease-in-out infinite;
}

@keyframes timeBlink {
    0%, 45%, 100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* ==========
    WORK
========== */
/* title, p */
.page-content {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow-y: auto;
    box-sizing: border-box;
    padding: 3vh 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.page-content::-webkit-scrollbar {
    display:none;
    width: 0;
    height: 0;
}

.page-title {
    display: block;
    width: auto;
    height: 65px;
    margin: 0 auto 3vh;
}

.page-content p {
    margin: 0 auto 6vh;
    font-size: 18px;
    letter-spacing: 12%;
    line-height: 150%;
    color: var(--color-main);
}

/* sort-group */
.work-button {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: fit-content;
    margin: 0 auto 5vh;
    gap: 30px;
}

.work-button p{
    margin: 0;
    font-size: 17px;
    color: var(--color-main);
}

.sort-button,
.credit-button {
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border-radius: 30px;
    font-size: 15px;
    letter-spacing: 10%;
    color: var(--color-white);
    gap: 10px;
    filter: drop-shadow(0.3vw 0.4vh 4px rgba(0, 0, 0, 20%));
}

.sort-button {
    width: 140px;
    border: none;
    background-color: var(--color-main);
}

.sort-button img {
    width: 17px;
}

.credit-button {
    width: 200px;
    border:2px solid var(--color-accent);
    background-color: var(--color-accent);
}

.credit-button.is-open {
    background-color: var(--color-white);
    color: var(--color-accent);
}

.sort-button:hover,
.credit-button:hover {
    opacity: 0.9;
}

/* work-line */
.work-line{
    width: 14vw;
    min-width: 200px;
    margin: 0 auto 5vh;
}

/* work-content */
.work-content {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.work-row {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 3vw;
}

.work-item {
    position:relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 25vw;
    margin-bottom: 10px;
}

.work-name {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    width: 100%;
    padding: 5px 10px;
    color: var(--color-main);
    letter-spacing: 10%;
}

.work-title {
    font-size: 18px;
    margin: 0;
}

.work-date {
    font-size: 12px;
    margin: 0;
}

.work-video {
    width: 100%;
}

.work-video iframe {
    width: 100%;
    aspect-ratio: 16/9;
    border:none;
}

/* credit-item */
.credit-item {
    width: 100%;
    margin: 5px;
    padding-bottom: 50px;
    letter-spacing: 10%;
}

.credit-title-area {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 5px 10px;
    font-size: 17px;
    color: var(--color-base);
    background: #6F86B3;
    gap: 15px;
}

.credit-toggle {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    width: 20px;
    height: 20px;
    padding: 0;
    border: none;
    font-size: 20px;
    font-weight: 600;
    color: #6F86B3;
    background: var(--color-base);
}

.credit-content {
    display: none;
    padding: 10px;
    border: 2px solid #6F86B3;
    background: var(--color-base);
}

.credit-content p {
    font-size: 14px;
    margin: 0;
}

/* related-blog */
.related-blog {
    position: absolute;
    right: 0%;
    bottom: 15px;
    padding: 5px 15px;
    border-radius: 30px;
    border: 1px solid var(--color-main);
    font-size: 14px;
    color: var(--color-main);
    background: var(--color-white);
}


/* ==========
    BLOG
========== */
/* blog-group */
.blog-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 65vw;
    margin-bottom: 20px;
    letter-spacing: 10%;
    gap: 30px;
}

.blog-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    color: var(--color-white);
    opacity: 0.7;
    filter: drop-shadow(0.3vw 0.4vh 4px rgba(0, 0, 0, 20%));
}

.blog-item:hover {
    opacity: 0.9;
}

.blog-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 20px 30px;
    font-size: 22px;
    background-color: var(--color-main);
}

.blog-title img {
    width:20px;
    transform: rotate(-90deg);
}

.blog-detail {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 10px 30px;
    font-size: 16px;
    border: 2px solid var(--color-main);
    color: var(--color-main);
    background-color: var(--color-base);
}

/* genre-checkbox */
.genre-filter {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-main);
    color: var(--color-main);
    background-color: var(--color-white);
    opacity: 0.8;
}

.genre-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 15px 20px;
    font-size: 13px;
    gap: 8px;
}

.genre-checkbox input[type="checkbox"] {
    accent-color: var(--color-main);
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.blog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

/* ==========
    BLOG-DETAIL
========== */
/* sentenece-group */
.sentence-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 80%;
    letter-spacing: 10%;
    line-height: 1.5;
}

.sentence-title-group {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    width: fit-content;
    height: fit-content;
    margin: 30px;
    padding: 20px;
    border-radius: 30px;
    background-color: var(--color-white);
    gap: 15px;
}

.sentence-title {
    padding: 7px;
    border: 2px solid var(--color-accent);
    font-size: 18px;
    color: var(--color-accent);
}

.sentence-title-detail {
    padding: 7px;
    font-size: 20px;
    color: var(--color-main);
}

.sentence-detail {
    width: 100%;
    height: auto;
    margin-bottom: 20px;
    padding: 50px 90px;
    border-radius: 40px;
    background: var(--color-white);
}

.sentence-detail p {
    margin: 0;
    padding: 0;
    font-size: 16px;
}

.sentence-detail h3 {
    margin: 40px auto 10px;
    padding: auto;
    border-bottom: 2px solid var(--color-accent);
    font-size: 20px;
    color: var(--color-accent);
}

.sentence-detail h4 {
    display: inline-block;
    margin: 25px auto 5px;
    padding: auto;
    border-bottom: 1px solid var(--color-main);
    font-size: 17px;
    color: var(--color-main);
}

.sentence-detail a {
    display: inline-block;
    margin: 20px auto;
    padding: 5px 10px;
    border: 1px solid var(--color-main);
    font-size: 15px;
    color: var(--color-main);
}

.sentence-detail a:hover {
    opacity: 0.8;
}

.sentence-detail img {
    width: auto;
    max-height: 400px;
    margin: 20px;
}

/* page-button */
.blog-page {
    display: none;
}

.blog-page.active {
    display: block;
}

.page-button-group {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.page-button {
    width: 40px;
    height: 40px;
    text-align: center;
    margin-bottom: 30px;
    border-radius: 30px;
    border: 2px solid var(--color-main);
    font-size: 16px;
    color: var(--color-main);
    background-color: var(--color-white);
    filter: drop-shadow(0.2vw 0.4vh 2px rgba(0, 0, 0, 20%));
}

.page-button.active {
    border: none;
    color: white;
    background-color: var(--color-accent);
}

.page-button:hover {
    opacity: 0.7;
}

/* sentence-button-group */
.sentence-button-group {
    display: grid;
    grid-template-columns: 300px 200px 300px;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    width: 80%;
    gap: 20px;
    filter: drop-shadow(0.2vw 0.4vh 2px rgba(0, 0, 0, 20%));
}

.next-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 300px;
    height: 70px;
    padding: 15px 40px;
    border-radius: 40px;
    border: 2px solid var(--color-main);
    color: var(--color-main);
    background-color: var(--color-white);
    gap: 5px;
}

.prev-btn {
    grid-column: 1;
}

.whole-btn {
    grid-column: 2;
}

.next-blog-btn {
    grid-column: 3;
}

.next-detail {
    font-size: 13px;
    opacity: 0.6;
}

.whole-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 200px;
    height: 70px;
    padding: 20px 30px;
    border-radius: 40px;
    color: var(--color-base);
    background-color: var(--color-main);
}

.next-btn:hover,
.whole-btn:hover {
    opacity: 0.8;
}

/* ==========
    ABOUT_ME
========== */
/* about-group */
.about-group {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin: 40px;
    gap: 7%;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 300px;
    height: 300px;
    font-size: 20px;
    color: var(--color-main);
    background-color: #F4F9FF;
    border: 2px solid var(--color-main);
}

.profile-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 530px;
    color: var(--color-main);
    gap: 20px;
    letter-spacing: 10%;
    line-height: 1.5;
}

.profile-name {
    font-size: 26px;
}

.profile-detail {
    font-size: 20px;
}

/* ==========
    CONTACT
========== */
.form-group {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 60vw;
}

.form-group label {
    font-size:16px;
    color: var(--color-main);
    margin-bottom: 8px;
}

.form-group textarea {
    width: 100%;
    height: 25vh;
    padding: 10px 15px;
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 20px;
    border: 2px solid var(--color-main);
    color: var(--color-main);
    background-color: #F4F9FF;

    resize: vertical;
}

.submit-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 120px;
    height: 45px;
    padding: 15px;
    margin: 0 auto;
    border-radius: 30px;
    font-size: 16px;
    background-color: var(--color-main);
    color: var(--color-base);
    border: none;
}

.submit-btn:hover {
    opacity: 0.7;
}

/* ==========
    CONTACT-CONFIRM
========== */
.confirm-area {
    width: 80%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.confirm-area h2,
.confirm-area p {
    letter-spacing: 10%;
    color: var(--color-main);
}

.confirm-area h2 {
    margin: 10px 0 30px;
    font-size: 30px;
    font-weight: 600;
}

.confirm-area p {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 40px;
    font-size: 18px;
    letter-spacing: 10%;
    color: var(--color-main);
}

.confirm-message {
    margin-bottom: 40px;
    padding: 20px;
    font-size: 16px;
    line-height: 1.5;
    border: 1px solid var(--color-main);
    background-color: var(--color-white);
}

/* confirm-button */
.confirm-button {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.back-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 120px;
    height: 45px;
    padding: 15px;
    margin: 0 auto;
    border-radius: 30px;
    font-size: 16px;
    background-color: var(--color-white);
    color: var(--color-main);
    border: 1px solid var(--color-main);
}

.back-btn:hover {
    opacity: 0.7;
}