@charset "UTF-8";

body {
    background-color: #f8f6f2;
    color: #2b2926;
    font-family: "Jost", "Hiragino Kaku Gothic ProN", sans-serif;
    font-weight: 300;
}

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

/* ヘッダー */

header {
    text-align: center;
    padding: 56px 20px 36px;
}

header h1 {
    font-family: "Jost", sans-serif;
    font-weight: 600;
    font-style: normal;
    font-size: 72px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #2b2926;
}

header nav {
    margin-top: 32px;
    display: flex;
    justify-content: center;
    gap: 48px;
}

header nav a {
    font-family: "Jost", sans-serif;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #2b2926;
    padding-bottom: 6px;
    border-bottom: 1px solid transparent;
    transition: border-color 0.4s ease, opacity 0.4s ease;
}

header nav a:hover,
header nav a:focus-visible {
    border-color: #2b2926;
    opacity: 0.6;
}

header::after {
    content: "";
    display: block;
    width: 80px;
    height: 1px;
    background-color: #cfc9bd;
    margin: 20px auto 0;
}

/* Aboutページ ステートメント */

.statement {
    max-width: 640px;
    margin: 0 auto;
    padding: 70px 32px 120px;
}

.statement p {
    font-family: "Jost", "Hiragino Kaku Gothic ProN", sans-serif;
    font-weight: 300;
    font-size: 16px;
    line-height: 2;
    letter-spacing: 0.02em;
    color: #2b2926;
    margin-bottom: 32px;
}

.statement p.statement-en {
    font-family: "Jost", sans-serif;
    font-weight: 300;
    font-style: normal;
    font-size: 16px;
    line-height: 2;
    letter-spacing: 0.02em;
    color: #4a453f;
}

.statement p.statement-en:first-of-type {
    margin-top: 24px;
    padding-top: 40px;
    border-top: 1px solid #cfc9bd;
}

/* 作品グリッド */

.pic {
    column-count: 6;
    column-gap: 64px;
    padding: 90px 140px 80px;
}

.pic-item {
    break-inside: avoid;
    margin-bottom: 96px;
}

.pic-item:nth-child(3n) {
    margin-top: 32px;
}

.pic-item:nth-child(4n+1) {
    margin-top: 18px;
}

.pic-item:nth-child(7n) {
    margin-top: 44px;
}

.pic-item img {
    width: 100%;
    height: auto;
    display: block;
    cursor: pointer;
    filter: grayscale(15%);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.pic-item img:hover {
    opacity: 0.75;
}

/* 縦長に見せたい写真用(該当divに class="pic-item rotate" を追加) */

.pic-item.rotate {
    aspect-ratio: 3 / 4;
    overflow: hidden;
    position: relative;
}

.pic-item.rotate img {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 133%;
    height: auto;
    transform: translate(-50%, -50%) rotate(90deg);
    transform-origin: center center;
}

/* ライトボックス(クリックで全画面表示) */

.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(20, 18, 16, 0.94);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.lightbox.open {
    display: flex;
}

.lightbox img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 32px;
    right: 40px;
    color: #f8f6f2;
    font-family: "Cormorant Garamond", serif;
    font-size: 36px;
    font-weight: 400;
    line-height: 1;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.lightbox-close:hover {
    opacity: 1;
}

/* Contactフォーム */

.contact {
    max-width: 560px;
    margin: 0 auto;
    padding: 20px 32px 120px;
    text-align: center;
}

.contact h2 {
    font-family: "Jost", sans-serif;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: #2b2926;
    margin-bottom: 48px;
}

.contact form {
    text-align: left;
}

.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    font-family: "Jost", sans-serif;
    font-weight: 400;
    font-size: 12px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #6b655c;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    font-family: "Jost", "Hiragino Kaku Gothic ProN", sans-serif;
    font-size: 15px;
    color: #2b2926;
    background-color: transparent;
    border-bottom: 1px solid #cfc9bd;
    padding: 8px 2px;
    transition: border-color 0.3s ease;
}

.form-group textarea {
    resize: vertical;
    line-height: 1.6;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2b2926;
}

.contact button {
    display: block;
    margin: 8px auto 0;
    padding: 12px 40px;
    font-family: "Jost", sans-serif;
    font-weight: 500;
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #2b2926;
    background-color: transparent;
    border: 1px solid #2b2926;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.contact button:hover {
    background-color: #2b2926;
    color: #f8f6f2;
}

/* フッター */

footer {
    background-color: #2b2926;
    text-align: center;
    color: #cfc9bd;
    padding: 32px;
    font-family: "Jost", sans-serif;
    font-weight: 300;
    font-style: normal;
    font-size: 13px;
    letter-spacing: 0.08em;
}

/* レスポンシブ */

@media (max-width: 900px) {
    .pic {
        column-count: 5;
        column-gap: 28px;
        padding: 50px 40px 70px;
    }
}

@media (max-width: 600px) {
    .pic {
        column-count: 2;
        column-gap: 16px;
        padding: 40px 20px 60px;
    }

    .pic-item,
    .pic-item:nth-child(3n),
    .pic-item:nth-child(4n+1),
    .pic-item:nth-child(7n) {
        margin-bottom: 20px;
        margin-top: 0;
    }

    header {
        padding: 60px 16px 32px;
    }

    header h1 {
        font-size: 36px;
    }

    header nav {
        gap: 28px;
    }
}