@charset "UTF-8";
/* CSS Document */
:root {
--sidebar-width: 80px;
--bg-color: #ffffff;
--accent-blue: #00a3cc;
--text-main: #111;
}
/* 基本設定 */
html {
    overflow-x: hidden;
    height: 100%;
}
body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Noto Serif JP', serif;
    width: 100%;
}

@media (min-width: 1025px) {
body {
    overflow: hidden;
}
}
/* --- BACKGROUND (PC) --- */
.hero-bg-section {
    position: fixed;
    inset: 0;
    z-index: 1;
    height: 100vh;
    width: 100vw;
    background: url('img/top.png') no-repeat center center / cover;
    filter: grayscale(100%) brightness(1.1) contrast(1) opacity(0.2);
    pointer-events: none;
    will-change: transform, opacity;
}
.noise-overlay {
    position: fixed;
    inset: 0;
    z-index: 5;
    pointer-events: none;
    background-image: url("https://www.transparenttextures.com/patterns/stardust.png");
    opacity: 0.25;
}
/* --- SIDEBAR --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: #fff;
    border-right: 1px solid #f0f0f0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 40px 0;
    box-sizing: border-box;
    transition: background 0.5s, border 0.5s;
}
.logo {
    writing-mode: vertical-rl;
    font-family: 'Playfair Display', serif;
    font-weight: 900;
    font-size: 1.1rem;
    letter-spacing: 0.06em;
}
.logo a {
    color: #000;
    text-decoration: none;
}
.side-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}
.side-menu a {
    writing-mode: vertical-rl;
    text-decoration: none;
    color: var(--text-main);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    font-weight: 900;
    transition: 0.3s;
    padding: 10px 0;
    display: block;
}
.side-menu a:hover {
    color: var(--accent-blue);
}
/* --- CONTAINER --- */
.container {
    display: flex;
    position: relative;
    z-index: 10;
    will-change: transform;
}
section {
    width: 100vw;
    height: 100vh;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    position: relative;
    padding: 0 5vw 0 calc(var(--sidebar-width) + 2vw);
    box-sizing: border-box;
}
.section-title {
    position: absolute;
    top: 8vh;
    left: calc(var(--sidebar-width) + 4vw);
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 5vw, 5rem);
    font-style: italic;
    line-height: 1;
    color: var(--text-main);
    margin: 0;
    z-index: 50;
}
.section-title span {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.8em;
    color: var(--accent-blue);
    font-family: 'Noto Serif JP';
    font-weight: 900;
    font-style: normal;
    margin-top: 5px;
}
.huge-stroke {
    position: absolute;
    bottom: 5vh;
    right: 0;
    font-family: 'Playfair Display', serif;
    font-size: 15vw;
    font-style: italic;
    color: transparent;
    -webkit-text-stroke: 1px rgba(0, 163, 204, 0.1);
    white-space: nowrap;
    pointer-events: none;
    z-index: 1;
}
/* --- VISION --- */
.vision-content {
    position: relative;
    z-index: 10;
    padding-left: 2vw;
}
/* --- ARTISTS LAYOUT --- */
.artists-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-around;
    width: 100%;
    height: 80vh;
    margin-top: 5vh;
    gap: 6vw;
}
.taiyo-container, .cycle-container {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.taiyo-container {
    width: 38%;
}
.cycle-container {
    width: 40%;
}
.t-img-stack {
    position: relative;
    width: 100%;
    height: 380px;
    margin-bottom: 25px;
}
.t-img-1 {
    position: absolute;
    top: 0;
    left: 0;
    width: 45%;
    height: 100%;
    z-index: 2;
    overflow: hidden;
    box-shadow: 20px 20px 60px rgba(0,0,0,0.05);
    border: 1px solid #f9f9f9;
}
.t-img-2 {
    position: absolute;
    bottom: -10px;
    right: 5%;
    width: 55%;
    height: 80%;
    z-index: 1;
    overflow: hidden;
    opacity: 0.8;
    border: 1px solid #f9f9f9;
}
.c-img-wrapper {
    position: relative;
    width: 85%;
    aspect-ratio: 16 / 10;
    margin-bottom: 25px;
}
.c-img-frame {
    width: 100%;
    height: 100%;
    overflow: hidden;
    box-shadow: 20px 20px 60px rgba(0,0,0,0.05);
    border: 1px solid #f9f9f9;
}
.color-target {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.rotating-badge {
    position: absolute;
    top: -45px;
    right: -45px;
    width: 130px;
    height: 130px;
    z-index: 20;
    animation: rotate 20s linear infinite;
    pointer-events: none;
}
.rotating-badge svg {
    width: 100%;
    height: 100%;
    fill: var(--accent-blue);
}
@keyframes rotate {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}
.name-header {
    font-family: 'Playfair Display', serif;
    font-size: 2.8rem;
    margin: 0;
    font-style: italic;
    color: var(--text-main);
}
.desc-text {
    font-size: 0.7rem;
    line-height: 2.4;
    letter-spacing: 0.1em;
    opacity: 0.8;
    margin: 12px 0;
    max-width: 380px;
}
.link-edge {
    font-size: 0.6rem;
    font-weight: 900;
    letter-spacing: 0.2em;
    text-decoration: none;
    color: var(--accent-blue);
    border-bottom: 2px solid;
    padding-bottom: 4px;
    transition: 0.3s;
}
/* --- ABOUT (PC) --- */
#about {
    background-color: #121212;
    color: #f4f4f4;
    padding: 0;
    overflow: hidden;
    position: relative;
}
.about-layout {
    display: flex;
    width: 100%;
    height: 100%;
    position: relative;
}
.about-visual {
    position: absolute;
    left: 0;
    top: 0;
    width: 42%;
    height: 100%;
    background: url('img/at.png') no-repeat center center / cover;
    filter: saturate(0.5);
    z-index: 1;
}
.about-main {
    width: 58%;
    margin-left: 42%;
    display: flex;
    align-items: center;
    z-index: 10;
    padding: 0 6%;
}
.about-inner {
    width: 100%;
    max-width: 800px;
}
#about .section-title {
    position: relative;
    top: 0;
    left: 0;
    margin-bottom: 6vh;
    color: #fff;
}
.profile-section {
    margin-bottom: 8vh;
}
.brand-name {
    font-family: 'Playfair Display';
    font-size: 3.5rem;
    font-style: italic;
    color: var(--accent-blue);
    margin-bottom: 30px;
    line-height: 1;
}
.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 25px;
}
.profile-item {
    display: flex;
    flex-direction: column;
}
.profile-item.full {
    grid-column: span 2;
}
.profile-item .label {
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    opacity: 0.7;
    margin-bottom: 8px;
}
.profile-item .value {
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    color: #fff;
}
.profile-item a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid var(--accent-blue);
}
.biz-caption {
    font-size: 0.65rem;
    letter-spacing: 0.5em;
    color: var(--accent-blue);
    font-weight: 900;
    margin-bottom: 30px;
}
.biz-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}
.biz-card {
    position: relative;
}
.biz-card .en {
    display: block;
    font-family: 'Playfair Display';
    font-size: 1rem;
    font-style: italic;
    color: #fff;
    margin-bottom: 6px;
}
.biz-card .jp {
    display: block;
    font-size: 0.6rem;
    opacity: 0.7;
    letter-spacing: 0.em;
    border-left: 2px solid var(--accent-blue);
    padding-left: 12px;
}
/* --- CONTACT --- */
#contact {
    background-color: #ffffff;
    color: #333333;
    display: flex;
    justify-content: center;
    align-items: center;
}
.contact-container {
    width: 100%;
    max-width: 700px;
    position: relative;
    z-index: 10;
}
.contact-header {
    text-align: center;
    margin-bottom: 50px;
}
.contact-title {
    font-family: 'Playfair Display';
    font-size: 4rem;
    font-style: italic;
    margin: 0;
    line-height: 1;
    color: #111;
}
.contact-lead {
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    opacity: 0.7;
    margin-top: 20px;
    line-height: 2;
    color: #444;
}
.styled-form {
    display: flex;
    flex-direction: column;
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}
.form-group label {
    font-size: 0.55rem;
    font-weight: 900;
    letter-spacing: 0.3em;
    color: var(--accent-blue);
}
.styled-form input, .styled-form textarea {
    background: #f9f9f9;
    border: none;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    padding: 12px;
    color: #111;
    font-family: 'Noto Serif JP', serif;
    font-size: 0.85rem;
    outline: none;
    transition: all 0.3s;
}
.styled-form input:focus, .styled-form textarea:focus {
    border-bottom-color: var(--accent-blue);
    background: #ffffff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.02);
}
.form-submit {
    text-align: center;
    margin-top: 30px;
}
.form-submit button {
    background: #111;
    color: #fff;
    border: none;
    padding: 18px 60px;
    font-family: 'Playfair Display';
    font-weight: 900;
    font-size: 0.8rem;
    letter-spacing: 0.4em;
    cursor: pointer;
    transition: 0.4s;
}
.form-submit button:hover {
    background: var(--accent-blue);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,163,204,0.2);
}
header.dark-mode {
    background: #121212 !important;
    border-right: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: #ffffff !important;
}
header.dark-mode .logo a, header.dark-mode .side-menu a {
    color: #ffffff !important;
}

/* --- MOBILE ADJUSTMENTS (1024px以下) --- */
@media (max-width: 1024px) {
	html, body {
    overflow-x: hidden;
    width: 100%;
    /* タップ時の青い枠などを消して操作感を安定させる */
    -webkit-tap-highlight-color: transparent;
}
header {
    width: 100%;
    height: 60px;
    flex-direction: row;
    padding: 0 20px;
    border-bottom: 1px solid #eee;
    border-right: none;
}
.logo, .side-menu a {
    writing-mode: horizontal-tb;
}
.side-menu {
    display: flex;
    gap: 15px;
}
.container {
    display: block;
    width: 100% !important;
    transform: none !important;
}
section {
    width: 100%;
    height: auto;
    min-height: 100vh;
    padding: 100px 25px 60px 25px;
    display: block;
}
/* VISION SP */
#vision {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}
.vision-content {
    padding-left: 0;
    margin-top: -50px;
}
.vision-content div {
    text-align: left;
    margin: 3rem auto 0;
}
/* ARTISTS SP: 背景を白に */
#artists-pc-combined, #artists-sp-cycle {
    background: #ffffff !important;
    color: #111 !important;
}
.section-title {
    position: relative;
    top: 0;
    left: 0;
    margin-bottom: 40px;
    color: #111 !important;
}
.artists-wrapper {
    flex-direction: column;
    height: auto;
    gap: 80px;
}
.taiyo-container, .cycle-container {
    width: 100%;
}
.t-img-stack {
    height: 300px;
}
.name-header {
    font-size: 2.2rem;
}
/* ABOUT SP: 背景画像を最前面の背景として強制表示 */
#about {
    background: #121212 !important;
    position: relative;
    z-index: 10;
}
/* 背景画像要素の調整 */
.about-visual {
    display: block !important;
    position: absolute !important;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('img/at.png') no-repeat center center / cover !important;
    filter: grayscale(0.2) brightness(0.6) blur(0.5px); /* 可読性のための調整 */
    z-index: 1 !important;
    opacity: 1 !important;
	transform: scaleX(-1);
}
/* コンテンツが画像の上にくるように設定 */
.about-main { 
        width: 100%; 
        margin-left: 0; 
        /* 左右に 30px の余白を追加（上下 60px / 左右 30px） */
        padding: 60px 30px; 
        background: transparent !important; 
        position: relative; 
        z-index: 10;
        /* ボックスサイズをパディング込みで計算 */
        box-sizing: border-box; 
    }

    .about-inner {
        width: 100%;
        /* テキストが広がりすぎないよう最大幅を設定 */
        max-width: 100%; 
    }

    .about-inner .section-title { 
        color: #fff !important; 
        /* タイトルの左側も揃える */
        left: 0; 
    }

    /* プロフィールグリッドの間隔調整 */
    .profile-grid { 
        grid-template-columns: 1fr; 
        gap: 20px;
    }
.biz-wrapper {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.form-grid {
    grid-template-columns: 1fr;
    gap: 0;
}
#artists-sp-cycle {
    display: block;
}
#artists-pc-combined .cycle-container {
    display: none;
}
}

@media (min-width: 1025px) {
#artists-sp-cycle {
    display: none;
}
}
	/* --- ARTISTS MOBILE & TABLET OPTIMIZATION --- */
@media (max-width: 1024px) {
    .artists-wrapper {
        height: auto;
        flex-direction: column;
        gap: 60px;
        padding-bottom: 50px;
    }

    .taiyo-container {
        width: 100%;
        max-width: 450px; /* 広がりすぎ防止 */
        margin: 0 auto;
    }

    /* 画像全体のベースエリア */
    .t-img-stack {
        position: relative;
        width: 90%;
        margin: 0 auto 30px;
        aspect-ratio: 1 / 1; /* 全体の専有面積を正方形ベースに確保 */
        height: auto;
    }

    /* 1: 縦長 (メイン) */
    .t-img-1 {
        position: absolute;
        top: 0;
        left: 0;
        width: 60%; 
        height: auto;
        aspect-ratio: 3 / 4; /* 縦長指定 */
        z-index: 2;
        box-shadow: 15px 15px 40px rgba(0,0,0,0.1);
    }

    /* 2: 正方形 (背景側) */
    .t-img-2 {
        position: absolute;
        bottom: 0;
        right: 0;
        width: 55%; 
        height: auto;
        aspect-ratio: 1 / 1; /* 正方形指定 */
        z-index: 1;
        opacity: 0.7;
        top: auto; /* PC版のtop設定をリセット */
    }

    /* バッジの位置調整 */
    .rotating-badge {
        width: 110px;
        height: 110px;
        top: -20px;
        right: -20px;
        z-index: 10;
    }

    .name-header {
        font-size: 2.2rem;
        text-align: center;
    }

    .desc-text {
        text-align: left;
        margin: 15px auto;
        max-width: 100%;
    }

    /* スマホ横向き時の高さ対策 */
    @media (max-height: 550px) {
        .t-img-stack {
            width: 60%; /* 高さが足りない時は横幅を絞って全体を入れる */
        }
    }
}
	/* --- CYCLE SOUNDS (横長1枚) MOBILE & TABLET OPTIMIZATION --- */
@media (max-width: 1024px) {
    .cycle-container {
        width: 100%;
        max-width: 500px; /* 横長なので少し広めに許容 */
        margin: 0 auto;
    }

    .c-img-wrapper {
        position: relative;
        width: 100%; /* 横幅いっぱいを基準に */
        margin: 0 auto 30px;
        aspect-ratio: auto; /* 固定比率を解除 */
        height: auto;
    }

    .c-img-frame {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 10; /* 綺麗な横長を維持 */
        box-shadow: 0 15px 40px rgba(0,0,0,0.08);
        border: 1px solid #f9f9f9;
        overflow: hidden;
        /* TAIYOの複雑な配置に対し、あえてシンプルに中央配置 */
        position: relative; 
        left: 0;
        top: 0;
        z-index: 2;
    }

    /* TAIYO側の装飾と合わせるための、背面の薄いアクセント（任意） */
    .c-img-wrapper::before {
        content: "";
        position: absolute;
        top: -10px;
        left: -10px;
        width: 40%;
        height: 40%;
        border-top: 2px solid var(--accent-blue);
        border-left: 2px solid var(--accent-blue);
        z-index: 1;
        opacity: 0.3;
    }

    .cycle-container .name-header {
        font-size: 2.2rem;
        text-align: center;
        margin-top: 10px;
    }

    /* スマホ横向き（Landscape）時の高さ対策 */
    @media (max-height: 550px) {
        .cycle-container {
            max-width: 400px; /* 横向き時は画像が大きくなりすぎないよう絞る */
        }
        .c-img-frame {
            aspect-ratio: 16 / 9; /* より薄い横長に */
        }
    }
}