/* --- Contact Button --- */
.contact-section {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 3rem 0 15rem 0;
    padding: 0 1rem;
}
.contact-btn {
    display: inline-block;
    background: linear-gradient(90deg, #4f8cff 0%, #7f53ff 100%);
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    padding: 0.9em 2.2em;
    border-radius: 2em;
    box-shadow: 0 4px 16px -4px rgba(79,140,255,0.18);
    text-align: center;
    transition: background 0.38s cubic-bezier(0.4,0,0.2,1), transform 0.18s, box-shadow 0.18s;
    text-decoration: none;
    letter-spacing: 0.04em;
}
.contact-btn:hover {
    background: linear-gradient(90deg, #7f53ff 0%, #4f8cff 100%);
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 8px 24px -8px rgba(79,140,255,0.22);
}

/* --- Apps Grid (アプリ一覧) --- */
#apps{
    margin-bottom: 150px;
    padding: 20px 3rem 0;
}

#apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 3rem;
    max-width: 500px;
    margin: 0 auto;
}

.app-item {
    display: flex;
    flex-direction: column;
	margin: 0 auto;
	max-width: 150px;
    transition: transform 0.18s, box-shadow 0.18s;
    cursor: pointer;
}

.app-item:hover {
    transform: translateY(-4px) scale(1.03);
}
.app-item img {
    border-radius: 22.5%;
    margin-bottom: 1.1rem;
    background: #fff;
    object-fit: contain;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.app-title {
    font-size: .8rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.4rem;
}
.app-desc {
    font-size: 0.75rem;
    color: var(--font-pale-color, #e4e8fa);
}

*,*::before,*::after{box-sizing:border-box}*{margin:0}html,body{height:100%}body{line-height:1.5;-webkit-font-smoothing:antialiased}img,picture,video,canvas,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit}p,h1,h2,h3,h4,h5,h6{overflow-wrap:break-word}#root,#__next{isolation:isolate}

body{
    font-family: Inter,Helvetica Neue,Arial,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif;
    color: #fff;
    background-color:  var(--bg-color);
    transition-duration: 1s;
    transition-property: color, background-color;
    --bg-color: #1a1e2e;
    --bg-header-color: rgba(26, 30, 46, 0.5);
    --bg-index-color: rgba(201, 201, 201, 0.5);
    --bg-bubble-color: #2b3047;
    --bg-filter-uncheck-color: rgba(232,231,255,.09);
    --bg-filter-check-color: linear-gradient(25deg,#e1689d,#4046ff);
    --bg-filter-dot-color: #4f536a;
    --bg-filter-icon-color: rgb(73, 73, 73);
    --bg-repo-color: #22272e;
    --bg-qanda-answer-color: #5500ff;
    --border-repo-color: #30363d;
    --font-pale-color: rgba(228, 232, 250, .55);
    --font-repo-color: #7d8590;
    --font-repo-title-color: #2f81f7;
    --font-bubble-color: #fff;
}

.mode-light{
    --bg-color: #60c7f3;
    --bg-header-color: rgb(96, 199, 243, 0.5);
    --bg-index-color: rgba(100, 100, 100, 0.5);
    --bg-bubble-color: #fff;
    --bg-filter-uncheck-color: rgba(232, 231, 255, 0.5);
    --bg-filter-check-color: linear-gradient(25deg, #f13f79, #ffd700);
    --bg-filter-dot-color: #f9f9ff;
    --bg-filter-icon-color: rgb(239, 239, 239);
    --bg-repo-color: #fff;
    --bg-qanda-answer-color: #00aeff;
    --border-repo-color: #d0d7de;
    --font-pale-color: rgba(255, 255, 255, 0.8);
    --font-repo-color: #57606a;
    --font-repo-title-color: #0969da;
    --font-bubble-color: #33374a;
}

a{
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
}

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

h1{
    margin-top: 4rem;
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 32px;
}

h2{
    font-size: 21px;
    margin-right: 31px;
    margin-bottom: 1rem;
}

input{
    display: none;
}

.bubble{
    position: relative;
    font-weight: 400;
    font-size: .95rem;
    font-weight: 700;
    margin-bottom: .3rem;
    padding: 1.3rem 1.2rem;
    border-radius: 14px;
    color: var(--font-bubble-color);
    background-color: var(--bg-bubble-color);
}

header{
    position: fixed;
    top: -1px;
    width: 100%;
    padding: 0 1rem;
    background-color: var(--bg-header-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 100;
}

#menu-label{
    display: flex;
    align-items: center;
    width: fit-content;
    height: 24px;
    margin: 20px 0;
    cursor: pointer;
    
}

#menuicon img{
    width: 15px;
    height: 15px;
    margin-right: 10px;
}

#usericon img{
    width: 21px;
    width: 21px;
    border-radius: 50%;
}

#username{
    margin-left: 10px;
    font-size: 16px;
    font-weight: 500;
}

#index{
    display: none;
    width: 100%;
    padding-bottom: 10px;
}

#index a{
    display: block;
    width: 100%;
    padding: .5rem 1rem;
}

#index a:hover{
    background-color: var(--bg-index-color);
}

#darkmode label{
    position: absolute;
    top: -46px;
    right: -50px;
    width: 100px;
    height: 100px;
    font-size: 30px;
    transform: rotate(0);
    transition: transform 1s;
    cursor: pointer;
}

#darkmode label::before{
    content: "🌙";
    position: absolute;
    left: 0;
    bottom: 0;
}
#darkmode label::after{
    content: "🌞";
    position: absolute;
    right: 0;
    top: 0;
    transform: scale(1,-1);
}

#top{
    width: 100%;
    max-width: 900px;
    text-align: center;
    margin: 0 auto;
    padding: 130px 2rem 0;
    color: #fff;
}

#profile-icon{
    font-size: 1.05rem;
    font-weight: 500;
    line-height: 1.5;
}

#profile-icon img{
	display: inline-block;
	border-radius: 50%;
    width: 100px;
    height: 100px;
    margin-bottom: 1rem;
}

#description{
    margin-top: .5rem;
    color: var(--font-pale-color);
}

#container{
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

#container div a{
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 26px;
    box-shadow: 0 20px 40px -16px rgba(0,0,0,.4);
    aspect-ratio: 1/1;
    transition: .2s ease;
}

#container div a:hover{
    transform: translateY(-2px) scale(1.02);
}

#container img{
    width: 35%;
    z-index: 1;
}

#sns #x-icon a{
    /* background: linear-gradient(144deg,#84d0ff,#19a7ff 50%,#1da1f2 60%,#1a7ee9); */
    background: linear-gradient(144deg,#222222,#1f2124 50%,#161b22,#161616);
}

#sns #instagram-icon a{
    position: relative;
    overflow: hidden;
    background: linear-gradient(150deg, #5842ff 0%, #f13f79 55%, rgba(255, 105, 34, 0.65) 100%) no-repeat;
}

#sns #instagram-icon a::before{
    content: '';
    position: absolute;
    top: 45%;
    left: -30%;
    width: 120%;
    aspect-ratio: 1/1;
    background: radial-gradient(#ffdb2c 10%, rgba(255, 105, 34, 0.65) 55%, rgba(255, 88, 96, 0) 70%);
}

#sns #github-icon a{
    background: linear-gradient(144deg,#363636,#26292c 50%,#161b22,#161616);
}

#sns #gmail-icon a{
    background: linear-gradient(144deg,#ff8176,#d6473a 50%,#dc483c,#e81f1f);
}

#scroll img{
    width: 3rem;
    margin: 90px auto 30px;
    animation: updown 2s infinite ease-in-out;
}

@keyframes updown {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(30px);
    }
    100% {
        transform: translateY(0);
    }
}

#timeline{
    max-width: 780px;
    margin: 0 auto 150px;
    padding: 20px 1.5rem;
}

.filter{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 22px;
}

.filter input{
    display: none;
}

.filter label{
    width: 74px;
    border: none;
    cursor: pointer;
    appearance: none;
    background: transparent;
    transition: .25s;
    outline-offset: 2px;
    text-align: center;
}

.filter label p{
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 6px;
    width: 100%;
    aspect-ratio: 1/1;
    border-radius: 34%;
    font-size: 30px;
    background: var(--bg-filter-uncheck-color);
}



.filter label p::after{
    content: "";
    position: absolute;
    inset: 2px;
    background: var(--bg-color);
    border-radius: 34%;
}

.filter label p span{
    z-index: 1;
}

.filter input:checked + label p{
    background: var(--bg-filter-check-color);
}

.filter label > span{
    font-size: 13px;
    font-weight: 500;
    color: var(--font-pale-color);
}

.filter input:checked + label > span{
    font-weight: 700;
}

#timeline section{
    display: flex;
    flex-wrap: wrap;
    margin-top: 2rem;
}

#timeline ul{
    position: relative;
}

#timeline ul::before{
    content: "";
    position: absolute;
    left: -2px;
    top: 10px;
    bottom: 0;
    width: 2px;
    background-color: var(--bg-filter-uncheck-color);
}

#timeline li{
    position: relative;
    display: flex;
}

#timeline li:not(:first-child){
    margin-top: 1.5rem;
}

#timeline li:last-child::before{
    content: "";
    position: absolute;
    left: -2px;
    top: 10px;
    bottom: 0;
    width: 2px;
    background-color: var(--bg-color);
}

#timeline .dot{
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 4px solid var(--bg-color);
    width: 16px;
    height: 16px;
    border-radius: 50%;
    top: 2px;
    left: -9px;
    background-color: var(--bg-filter-dot-color);
}

#timeline .log{
    padding-left: 32px;
}

.icon{
    width: 35px;
    height: 35px;
    position: absolute;
    content: '';
    bottom: -20px;
    right: 10px;
    background-color: var(--bg-filter-icon-color);
    border-radius: 50%;
    padding: 4px;
    border: 2px solid var(--bg-color);
    z-index: 10;
}

.icon img{
    margin: auto;
}

#timeline li time{
    color: var(--font-pale-color);
}

.date{
    margin-bottom: 1rem;
}

#timeline div > label{
    width: 74px;
    border: none;
    cursor: pointer;
    appearance: none;
    background: red;
    transition: .25s;
    text-align: center;
}

#x{
    margin-top: 30px;
    padding: 20px 2rem;
    text-align: center;
}

#x-setting{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 450px;
}

#instagram{
    margin-top: 30px;
    padding: 20px 2rem;
}

#instagram-setting{
    display: flex;
    justify-content: center;
}

#scroll-box{
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 3px;
    max-width: 621px;
    aspect-ratio: 1/1;
    margin-top: 1.5rem;
    overflow-y: scroll;
    background-color: var(--bg-bubble-color);
}

#scroll-box::-webkit-scrollbar{
    display:none;
}

#scroll-box img{
    width: 100%;
    aspect-ratio: 1/1;
}

#instagram-setting a{
   position: relative;
}

#instagram-setting a:hover::before{
    position: absolute;
    content: '投稿を見る';
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    background-color: rgba(0, 0, 0, 0.5);
}

#github{
    max-width: 650px;
    margin: 0 auto;
    padding: 20px 1.5rem;
}

#github .filter{
    gap: 50px;
}

#github > div{
    position: relative;
    height: 500px;
}

#github section{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

#github h2{
    margin-top: 30px;
    margin-bottom: 20px;
}

#github li{
    margin-bottom: 16px;
    padding: 16px;
    border-radius: 6px;
    border: 1px solid var(--border-repo-color);
    color: var(--font-repo-color);
    font-size: 12px;
    background-color: var(--bg-repo-color);
}

.repo-title a{
    display: inline-block;
    width: 100%;
    color: var(--font-repo-title-color);
}

.repo-title a:hover{
    text-decoration: underline;
}

.repo-desc{
    margin-top: 8px;
    margin-bottom: 16px;
}

.repo-lang span{
    position: relative;
    top: 1px;
    display: inline-block;
    width: 12px;
    height: 12px;
    margin-right: 3px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
}

#recommend-repo{
    display: block;
}

#popular-repo, #updated-repo{
    display: none;
}

#threads{
    margin-top: 30px;
    text-align: center;
    padding: 20px 1.5rem;
}

#threads-announce img{
    margin: 0 auto 10px;
}

#threads-setting{
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 40px;
}

#threads a{
    position: relative;
    width: 100%;
    max-width: 500px;
    border-radius: 20%;
    overflow: hidden;
}

#threads a::before{
    position: absolute;
    content: "🔒";
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 5rem;
    background-color: rgba(0, 0, 0, 0.7);
}

#qanda{
    max-width: 780px;
    margin: 0 auto;
    padding: 30px 1.5rem 350px;
}

#qanda ul{
    list-style: none;
}

#qanda li{
    margin-bottom: 10px;
}

#qanda li p{
    margin-left: 10px;
}

#qanda a{
    color: #00ffb3;
}

#qanda label{
    display: inline-block;
    cursor: pointer;
}

#qanda .bubble{
    margin-top: 1rem;
}

#answer{
    display: none;
    width: fit-content;
    color: #fff;
    background: var(--bg-qanda-answer-color);
}

input[type="checkbox"]:checked ~ #answer{
    display: flex;
    animation: SlideLabel 1s;
}

@keyframes SlideLabel {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#qanda #message{
    margin-top: 30px;
}

#qanda #message a{
    color: #968cff;
}

footer{
    width: 100%;
    position: relative;
    display: flex;
    justify-content: center;
	align-items: center;
    padding: 30px 20px 20px 15px;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    background-image: url("images/png/ground.png");
    background-repeat: no-repeat;
}

#rocket{
    position: absolute;
    top: -100px;
    padding-top: 8px;
    overflow: hidden;
    height: 100px;
}

#rocket img{
    rotate: -45deg;
    cursor: pointer;
}

@media screen and (max-width: 500px){
    #container{
        grid-template-columns: repeat(2,1fr);
    }

    #timeline{
        margin: 0 auto 60px;
    }

    #apps{
        margin-bottom: 60px;
    }
}

@media screen and (max-width: 330px){
    #filter{
        flex-wrap: wrap;
    }
}

@media screen and (max-width: 260px){
    #menu-label{
        width: 16px;
    }
    #usericon, #username{
        display: none;
    }
}