/* 部活ポータル — 墨(文字)・藍(操作)・朱(注意)の3色だけで組む */
:root {
    --ink: #1d2433;
    --ink-soft: #5a6477;
    --indigo: #29477c;
    --indigo-deep: #1b2e55;
    --indigo-wash: #e9eef7;
    --vermilion: #b23a26;
    --vermilion-wash: #fbebe7;
    --leaf: #2f6b4a;
    --leaf-wash: #e8f3ec;
    --paper: #f3f5f8;
    --white: #ffffff;
    --line: #d7dce5;

    --sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", "Meiryo", system-ui, sans-serif;
    --serif: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", "MS PMincho", serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { font-size: 16px; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    line-height: 1.7;
}

a { color: var(--indigo); }
a:hover { color: var(--indigo-deep); }

:focus-visible {
    outline: 3px solid #7aa0e0;
    outline-offset: 2px;
}

/* ---------- ヘッダー ---------- */
.site-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 0 1.5rem;
    min-height: 3.5rem;
    background: var(--indigo-deep);
    color: var(--white);
}
.site-header a { color: inherit; text-decoration: none; }

.brand {
    font-family: var(--serif);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.main-nav { display: flex; flex-wrap: wrap; gap: 0.25rem; flex: 1; }
.main-nav a {
    padding: 0.5rem 0.9rem;
    border-radius: 4px;
    font-size: 0.95rem;
}
.main-nav a:hover { background: rgba(255, 255, 255, 0.14); }

.who { display: flex; align-items: center; gap: 1rem; font-size: 0.9rem; }
.who form { margin: 0; }
.site-header .btn-link { color: #cfd9ee; }
.site-header .btn-link:hover { color: var(--white); }

/* ---------- ページ ---------- */
.page { max-width: 62rem; margin: 0 auto; padding: 2rem 1.5rem 4rem; }
.page-wide { max-width: 76rem; }
.page-narrow { max-width: 38rem; }

.page h1 {
    margin: 0 0 1.25rem;
    font-family: var(--serif);
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}
.page-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.5rem;
}
.page-head h1 { margin-bottom: 0.5rem; }

.lead { max-width: 40rem; margin: 0 0 1.5rem; color: var(--ink-soft); }
.hint { margin: 0.75rem 0; color: var(--ink-soft); font-size: 0.9rem; }
.muted { color: var(--ink-soft); font-size: 0.85rem; }
.empty { padding: 2rem 0; color: var(--ink-soft); }
.mono { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: 0.92em; }

/* ---------- リンク一覧(ホーム) ---------- */
.link-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.link-list li {
    display: flex;
    align-items: baseline;
    gap: 1.25rem;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--line);
}
.link-list a { min-width: 9rem; font-weight: 700; }
.link-list span { color: var(--ink-soft); font-size: 0.92rem; }

/* ---------- 表 ---------- */
.table-wrap { overflow-x: auto; background: var(--white); border: 1px solid var(--line); }
.table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.table th, .table td { padding: 0.7rem 1rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table th { background: var(--indigo-wash); color: var(--indigo-deep); font-weight: 700; white-space: nowrap; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tr.is-disabled td { color: var(--ink-soft); background: #f7f8fa; }
.table .actions { white-space: nowrap; }
.table .actions > * { display: inline-block; margin-right: 1rem; vertical-align: middle; }
.table .actions form { margin: 0; }

/* ---------- フォーム ---------- */
.form { display: grid; gap: 1.25rem; }
.field { display: grid; gap: 0.35rem; }
.field > span { font-weight: 700; font-size: 0.92rem; }
.field small { color: var(--ink-soft); font-size: 0.85rem; }
.field .static { margin: 0; padding: 0.55rem 0; }

input[type="text"], input[type="password"], select {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid #aab3c4;
    border-radius: 4px;
    background: var(--white);
    color: var(--ink);
    font: inherit;
}
input:focus, select:focus { border-color: var(--indigo); }

.form-actions { display: flex; gap: 0.75rem; margin-top: 0.5rem; }

.inline-form { display: flex; align-items: flex-end; gap: 0.75rem; margin-bottom: 1.5rem; }
.field-grow { flex: 1; }

/* ---------- ボタン ---------- */
.btn {
    display: inline-block;
    padding: 0.6rem 1.25rem;
    border: 1px solid transparent;
    border-radius: 4px;
    font: inherit;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}
.btn-primary { background: var(--indigo); color: var(--white); }
.btn-primary:hover { background: var(--indigo-deep); color: var(--white); }
.btn-ghost { background: transparent; border-color: #aab3c4; color: var(--ink); }
.btn-ghost:hover { background: var(--white); color: var(--ink); }

.btn-link {
    padding: 0;
    border: 0;
    background: none;
    color: var(--indigo);
    font: inherit;
    text-decoration: underline;
    cursor: pointer;
}
.btn-link:hover { color: var(--indigo-deep); }
.btn-danger { color: var(--vermilion); }
.btn-danger:hover { color: #7e2415; }

/* ---------- メッセージ ---------- */
.notice { margin: 0 0 1.25rem; padding: 0.75rem 1rem; border-left: 4px solid; font-size: 0.95rem; }
.notice-ok { background: var(--leaf-wash); border-color: var(--leaf); color: #1f4a33; }
.notice-error { background: var(--vermilion-wash); border-color: var(--vermilion); color: #7e2415; }

/* ---------- ログイン画面(縦書きのタイトルが、この画面だけの見せ場) ---------- */
.login-body { min-height: 100vh; background: var(--paper); }

.login-layout { display: grid; grid-template-columns: minmax(18rem, 2fr) 3fr; min-height: 100vh; }

.login-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    background: var(--indigo-deep);
    color: var(--white);
}
.login-title h1 {
    margin: 0;
    writing-mode: vertical-rl;
    font-family: var(--serif);
    font-size: clamp(2.6rem, 6vw, 4.2rem);
    font-weight: 700;
    letter-spacing: 0.35em;
    line-height: 1.2;
}
.login-title p {
    margin: 0;
    writing-mode: vertical-rl;
    align-self: flex-end;
    padding-bottom: 18vh;
    font-family: var(--serif);
    font-size: 1rem;
    letter-spacing: 0.3em;
    color: #cfd9ee;
}

.login-panel {
    align-self: center;
    width: 100%;
    max-width: 26rem;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}
.login-heading {
    margin: 0 0 1.5rem;
    font-family: var(--serif);
    font-size: 1.5rem;
}
.login-panel .btn { width: 100%; padding: 0.75rem; }

/* ---------- 狭い画面 ---------- */
@media (max-width: 720px) {
    .site-header { flex-wrap: wrap; gap: 0.5rem 1rem; padding: 0.5rem 1rem; }
    .main-nav { order: 3; flex-basis: 100%; }
    .page { padding: 1.25rem 1rem 3rem; }
    .link-list li { flex-direction: column; gap: 0.1rem; }
    .inline-form { flex-direction: column; align-items: stretch; }

    .login-layout { grid-template-columns: 1fr; min-height: 0; }
    .login-title { flex-direction: column; padding: 2rem 1rem; gap: 0.5rem; }
    .login-title h1 { writing-mode: horizontal-tb; font-size: 2rem; letter-spacing: 0.2em; }
    .login-title p { writing-mode: horizontal-tb; padding: 0; align-self: center; }
}