/* =========================================================
   ポートフォリオ - 和風モダンスタイル
   ベース: 和紙色 / 文字: 墨色 / アクセント: 朱色
   見出し: Shippori Mincho (明朝体) / 本文: Noto Sans JP
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;700&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

:root {
    --color-bg: #faf8f3;
    --color-paper: #f4f1ea;
    --color-ink: #1a1a1a;
    --color-ink-soft: #4a4a4a;
    --color-rule: #b8b3a7;
    --color-rule-soft: #ddd6c7;
    --color-muted: #8a857a;
    --color-accent: #b13b3b;
    --color-accent-deep: #8a2a2a;

    --font-mincho: 'Shippori Mincho', 'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
    --font-gothic: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;

    --width-page: 880px;
    --space-line: 1.9;
}

* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-ink);
    font-family: var(--font-gothic);
    font-weight: 400;
    line-height: var(--space-line);
    letter-spacing: 0.04em;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-ink);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s, color 0.2s;
}

a:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

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

/* ---------- レイアウト ---------- */

.site-header {
    border-bottom: 1px solid var(--color-rule-soft);
    background: var(--color-bg);
}

.site-header__inner {
    max-width: var(--width-page);
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-title {
    font-family: var(--font-mincho);
    font-size: 1.4rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    margin: 0;
}

.site-title a {
    border-bottom: none;
}

.site-nav {
    display: flex;
    gap: 2rem;
}

.site-nav a {
    font-size: 0.95rem;
    letter-spacing: 0.16em;
    padding-bottom: 2px;
}

.site-main {
    max-width: var(--width-page);
    margin: 0 auto;
    padding: 3rem 2rem 5rem;
    min-height: 60vh;
}

.site-footer {
    border-top: 1px solid var(--color-rule-soft);
    padding: 2rem;
    text-align: center;
    color: var(--color-muted);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

/* ---------- 共通要素 ---------- */

.page-title {
    font-family: var(--font-mincho);
    font-size: 1.8rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    margin: 0 0 0.5rem;
}

.page-title-rule {
    width: 4rem;
    height: 1px;
    background: var(--color-ink);
    border: none;
    margin: 0 0 2.5rem;
}

.section-lead {
    color: var(--color-ink-soft);
    margin: 0 0 2.5rem;
    line-height: 1.9;
}

.button,
button,
input[type="submit"] {
    display: inline-block;
    font-family: var(--font-gothic);
    font-size: 0.95rem;
    letter-spacing: 0.1em;
    padding: 0.65rem 1.5rem;
    background: var(--color-ink);
    color: var(--color-bg);
    border: 1px solid var(--color-ink);
    border-radius: 0;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.button:hover,
button:hover,
input[type="submit"]:hover {
    background: var(--color-accent);
    color: var(--color-bg);
    border-color: var(--color-accent);
}

.button--ghost {
    background: transparent;
    color: var(--color-ink);
}

.button--ghost:hover {
    background: var(--color-ink);
    color: var(--color-bg);
}

/* ---------- フラッシュメッセージ ---------- */

.message {
    padding: 0.9rem 1.2rem;
    margin: 0 0 1.5rem;
    border-left: 3px solid var(--color-ink);
    background: var(--color-paper);
    font-size: 0.95rem;
}

.message.success {
    border-left-color: #4a7048;
    background: #f1f5ec;
}

.message.error {
    border-left-color: var(--color-accent);
    background: #f7eded;
    color: var(--color-accent-deep);
}

/* ---------- 公開側: トップ ---------- */

.hero {
    padding: 2rem 0 4rem;
    border-bottom: 1px solid var(--color-rule-soft);
    margin-bottom: 3rem;
}

.hero__catch {
    font-family: var(--font-mincho);
    font-size: 2.4rem;
    font-weight: 500;
    line-height: 1.6;
    letter-spacing: 0.15em;
    margin: 0 0 1.5rem;
}

.hero__lead {
    color: var(--color-ink-soft);
    max-width: 36em;
    font-size: 1rem;
}

/* ---------- 公開側: 作品一覧 ---------- */

.project-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.project-card {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 2rem;
    padding: 1.8rem 0;
    border-bottom: 1px solid var(--color-rule-soft);
    align-items: start;
}

.project-card:last-child {
    border-bottom: none;
}

.project-card__thumb {
    width: 140px;
    height: 100px;
    object-fit: cover;
    background: var(--color-paper);
}

.project-card__thumb--placeholder {
    width: 140px;
    height: 100px;
    background: var(--color-paper);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    font-family: var(--font-mincho);
    font-size: 1.2rem;
}

.project-card__body {
    min-width: 0;
}

.project-card__title {
    font-family: var(--font-mincho);
    font-size: 1.2rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    margin: 0 0 0.5rem;
}

.project-card__title a {
    border-bottom: none;
}

.project-card__title a:hover {
    color: var(--color-accent);
}

.project-card__meta {
    color: var(--color-muted);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    margin: 0;
}

/* ---------- 公開側: 詳細 ---------- */

.project-detail__back {
    margin: 0 0 2rem;
    font-size: 0.9rem;
    color: var(--color-muted);
    letter-spacing: 0.1em;
}

.project-detail__title {
    font-family: var(--font-mincho);
    font-size: 2rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    margin: 0 0 0.5rem;
}

.project-detail__meta {
    color: var(--color-muted);
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    margin: 0 0 2.5rem;
}

.project-detail__image {
    width: 100%;
    margin: 0 0 2.5rem;
    background: var(--color-paper);
}

.project-detail__body {
    line-height: 2;
    font-size: 1rem;
    margin: 0 0 2.5rem;
}

.project-detail__body p {
    margin: 0 0 1.2rem;
}

.project-detail__link {
    margin: 2.5rem 0 0;
}

/* ---------- ページネーター ---------- */

.paginator {
    margin: 3rem 0 0;
    text-align: center;
    color: var(--color-muted);
    font-size: 0.9rem;
}

.paginator .pagination {
    list-style: none;
    padding: 0;
    margin: 0 0 0.8rem;
    display: inline-flex;
    gap: 0.4rem;
}

.paginator .pagination li {
    display: inline-block;
}

.paginator .pagination a,
.paginator .pagination span {
    display: inline-block;
    padding: 0.3rem 0.7rem;
    border-bottom: none;
}

.paginator .pagination .active a {
    color: var(--color-accent);
    border-bottom: 1px solid var(--color-accent);
}

.paginator .pagination .disabled {
    color: var(--color-rule);
}

/* ---------- フォーム ---------- */

.form {
    max-width: 28rem;
    margin: 2rem auto 0;
}

.form-card {
    background: var(--color-paper);
    border: 1px solid var(--color-rule-soft);
    padding: 2.5rem 2.5rem 2rem;
}

.form fieldset {
    border: none;
    margin: 0;
    padding: 0;
}

.form legend {
    font-family: var(--font-mincho);
    font-size: 1.3rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    margin: 0 0 1.5rem;
    padding: 0;
}

.form .input {
    margin: 0 0 1.2rem;
    display: flex;
    flex-direction: column;
}

.form label {
    font-size: 0.85rem;
    color: var(--color-ink-soft);
    letter-spacing: 0.1em;
    margin-bottom: 0.3rem;
}

.form input[type="email"],
.form input[type="text"],
.form input[type="password"],
.form input[type="url"],
.form textarea {
    font-family: var(--font-gothic);
    font-size: 1rem;
    padding: 0.6rem 0.7rem;
    background: var(--color-bg);
    border: 1px solid var(--color-rule);
    border-radius: 0;
    color: var(--color-ink);
    width: 100%;
}

.form input:focus,
.form textarea:focus {
    outline: none;
    border-color: var(--color-ink);
}

.form textarea {
    min-height: 8rem;
    line-height: 1.7;
    resize: vertical;
}

.form .submit,
.form input[type="submit"] {
    margin-top: 1rem;
}

.form .error-message {
    color: var(--color-accent);
    font-size: 0.85rem;
    margin-top: 0.3rem;
    letter-spacing: 0.05em;
}

/* ---------- 管理画面 ---------- */

.admin-bar {
    background: var(--color-ink);
    color: var(--color-bg);
}

.admin-bar__inner {
    max-width: var(--width-page);
    margin: 0 auto;
    padding: 0.6rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

.admin-bar a {
    color: var(--color-bg);
    border-bottom-color: transparent;
}

.admin-bar a:hover {
    color: #fff;
    border-bottom-color: #fff;
}

.admin-bar__title {
    letter-spacing: 0.2em;
}

.admin-bar__links {
    display: flex;
    gap: 1.5rem;
}

.admin-actions {
    margin: 0 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    flex-wrap: wrap;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.admin-table th,
.admin-table td {
    text-align: left;
    padding: 0.8rem 0.8rem;
    border-bottom: 1px solid var(--color-rule-soft);
    vertical-align: top;
}

.admin-table th {
    font-family: var(--font-mincho);
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-ink-soft);
    background: var(--color-paper);
}

.admin-table td.actions {
    white-space: nowrap;
    text-align: right;
}

.admin-table td.actions a,
.admin-table td.actions form {
    display: inline-block;
    margin-left: 0.8rem;
    font-size: 0.85rem;
    color: var(--color-ink-soft);
}

.admin-table td.actions a:first-child {
    margin-left: 0;
}

.admin-table td.actions .delete-link {
    color: var(--color-accent);
}

.admin-table .empty {
    color: var(--color-muted);
    text-align: center;
    padding: 2rem 0;
}

.admin-detail dl {
    display: grid;
    grid-template-columns: 8rem 1fr;
    gap: 0.8rem 1.5rem;
    margin: 0 0 2rem;
}

.admin-detail dt {
    font-family: var(--font-mincho);
    color: var(--color-ink-soft);
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--color-rule-soft);
    padding-bottom: 0.5rem;
}

.admin-detail dd {
    margin: 0;
    border-bottom: 1px solid var(--color-rule-soft);
    padding-bottom: 0.5rem;
    word-break: break-word;
}

.admin-detail__footer {
    margin: 2rem 0 0;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ---------- レスポンシブ ---------- */

@media (max-width: 640px) {
    .site-header__inner,
    .site-main,
    .admin-bar__inner {
        padding-left: 1.2rem;
        padding-right: 1.2rem;
    }

    .hero__catch {
        font-size: 1.7rem;
    }

    .project-card {
        grid-template-columns: 1fr;
    }

    .project-card__thumb,
    .project-card__thumb--placeholder {
        width: 100%;
        height: 180px;
    }

    .admin-detail dl {
        grid-template-columns: 1fr;
        gap: 0.3rem 0;
    }

    .admin-detail dt {
        border-bottom: none;
        padding-bottom: 0;
        font-size: 0.85rem;
    }
}