/*
 * TKサッカー塾
 * Design: Navy / White / Cool and editorial
 */
:root {
    --navy: #071a33;
    --navy-light: #0d2f59;
    --blue: #1769aa;
    --blue-bright: #3da5f4;
    --ink: #152238;
    --muted: #607089;
    --line: #dce5ef;
    --surface: #f4f7fb;
    --white: #fff;
}

html {
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    color: var(--ink);
    background: var(--surface);
    font-family: "Noto Sans JP", "Figtree", sans-serif;
    line-height: 1.75;
}

body > div.min-h-screen {
    background:
        radial-gradient(circle at 90% 0%, rgba(61, 165, 244, .12), transparent 32rem),
        var(--surface);
}

a {
    transition: color .2s ease, background-color .2s ease, border-color .2s ease,
        transform .2s ease;
}

/* Site navigation */
nav.bg-white {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(7, 26, 51, .97) !important;
    border: 0 !important;
    box-shadow: 0 8px 24px rgba(7, 26, 51, .16);
}

nav.bg-white #public-responsive-navigation {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    z-index: 19;
    background: rgba(7, 26, 51, .97);
    box-shadow: 0 8px 24px rgba(7, 26, 51, .16);
}

nav.bg-white > div {
    max-width: 1180px;
}

nav.bg-white a {
    color: rgba(255, 255, 255, .72) !important;
}

nav.bg-white a:hover,
nav.bg-white a[aria-current="page"] {
    color: var(--white) !important;
}

nav.bg-white .border-indigo-400 {
    border-color: var(--blue-bright) !important;
}

nav.bg-white svg {
    color: var(--white);
}

/* Homepage canvas */
main {
    overflow: hidden;
}

main > .container {
    position: relative;
    max-width: 1180px;
    padding-top: 7rem;
    padding-bottom: 7rem;
}

main > .container > .text-center {
    position: relative;
    max-width: 780px;
    margin-right: auto;
    margin-left: auto;
    padding: 4rem 2rem;
    color: var(--white);
    background: linear-gradient(125deg, var(--navy), var(--navy-light));
    box-shadow: 0 24px 50px rgba(7, 26, 51, .2);
    isolation: isolate;
}

main > .container > .text-center::after {
    position: absolute;
    right: 1.75rem;
    bottom: 1.25rem;
    width: 5rem;
    height: 5rem;
    border-right: 2px solid var(--blue-bright);
    border-bottom: 2px solid var(--blue-bright);
    content: "";
    opacity: .8;
}

main > .container > .text-center h1 {
    color: var(--white) !important;
    font-family: Georgia, "Noto Serif JP", serif;
    font-size: clamp(2.25rem, 6vw, 4.75rem);
    letter-spacing: .12em;
    line-height: 1.2;
}

main > .container > .text-center p {
    color: #9dd5ff !important;
    letter-spacing: .16em;
}

main > .container > .grid {
    position: relative;
    margin-top: 3rem;
}

main > .container > .grid > div {
    border: 1px solid var(--line);
    border-top: 3px solid var(--blue);
    border-radius: 0 !important;
    background: var(--white) !important;
    box-shadow: 0 12px 28px rgba(7, 26, 51, .07);
    transition: transform .25s ease, box-shadow .25s ease;
}

main > .container > .grid > div:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 36px rgba(7, 26, 51, .14);
}

main > .container > .grid p:first-child {
    color: var(--blue) !important;
    font-size: .75rem;
    letter-spacing: .14em;
}

main > .container > .grid p:last-child {
    color: var(--ink) !important;
    font-size: 1.2rem;
}

main > .container > .max-w-3xl {
    position: relative;
    margin-top: 4rem;
    padding: 2rem 2.25rem;
    border-left: 4px solid var(--blue);
    background: var(--white);
    box-shadow: 0 10px 25px rgba(7, 26, 51, .06);
}

main > .container > .max-w-3xl p {
    color: var(--muted) !important;
}

@media (max-width: 640px) {
    main > .container {
        padding-top: 3.5rem;
        padding-bottom: 4rem;
    }

    /* Event discovery */
    .event-shell {
        max-width: 1180px;
        margin: 0 auto;
        padding: 3rem 1.25rem 6rem;
    }

    .event-hero {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 330px;
        padding: 3.5rem clamp(1.5rem, 6vw, 6rem);
        color: #fff;
        background: linear-gradient(120deg, #071a33, #0b4772 65%, #0b7690);
    }

    .eyebrow {
        margin: 0 0 .7rem;
        color: #2da9cf;
        font-size: .72rem;
        font-weight: 700;
        letter-spacing: .18em;
    }

    .event-hero h1 {
        margin: 0;
        font-family: Georgia, "Noto Serif JP", serif;
        font-size: clamp(2.25rem, 6vw, 4.7rem);
        line-height: 1.15;
        letter-spacing: .04em;
    }

    .event-hero h1 span {
        color: #79dded;
    }

    .hero-copy {
        max-width: 510px;
        margin-top: 1.5rem;
        color: #c8e4ed;
    }

    .hero-mark {
        color: rgba(255, 255, 255, .12);
        font-family: Georgia, serif;
        font-size: clamp(8rem, 20vw, 16rem);
        font-weight: 700;
        line-height: 1;
    }

    .event-toolbar {
        margin: 2rem 0 4rem;
        padding: 1rem;
        background: #fff;
        border: 1px solid var(--line);
        box-shadow: 0 10px 25px rgba(7, 26, 51, .06);
    }

    .search-form {
        display: grid;
        grid-template-columns: minmax(180px, 2fr) repeat(3, minmax(120px, 1fr)) auto;
        gap: .75rem;
    }

    .search-form input, .search-form select {
        min-width: 0;
        padding: .75rem 1rem;
        border: 1px solid var(--line);
        background: #fff;
    }

    .search-form button, .button {
        display: inline-block;
        padding: .75rem 1.2rem;
        color: #fff;
        background: #087e9c;
        border: 0;
        font-weight: 700;
        text-align: center;
    }

    .event-heading {
        display: flex;
        align-items: end;
        justify-content: space-between;
        margin-bottom: 1.5rem;
    }

    .event-heading h2 {
        margin: 0;
        color: var(--ink);
        font-size: 1.9rem;
    }

    .event-heading > span {
        color: var(--muted);
        font-size: .85rem;
    }

    .event-grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 1.25rem;
    }

    .event-card {
        display: flex;
        min-height: 260px;
        flex-direction: column;
        padding: 1.5rem;
        color: var(--ink);
        background: #fff;
        border: 1px solid var(--line);
        box-shadow: 0 8px 20px rgba(7, 26, 51, .05);
    }

    .event-card:hover {
        color: var(--ink);
        border-color: #42b6cd;
        transform: translateY(-4px);
    }

    .event-card-top {
        display: flex;
        justify-content: space-between;
        color: var(--muted);
        font-size: .78rem;
    }

    .event-badge {
        padding: .25rem .55rem;
        color: #087e9c;
        background: #e4f7fa;
        font-weight: 700;
    }

    .event-date {
        margin: 1.4rem 0 .5rem;
        color: #087e9c;
        font-size: .85rem;
        font-weight: 700;
    }

    .event-card h3 {
        margin: 0;
        font-size: 1.2rem;
        line-height: 1.45;
    }

    .event-summary {
        margin-top: .7rem;
        color: var(--muted);
        font-size: .9rem;
    }

    .event-card-footer {
        display: flex;
        justify-content: space-between;
        margin-top: auto;
        padding-top: 1.4rem;
        color: var(--muted);
        font-size: .78rem;
    }

    .arrow {
        color: #087e9c;
        font-size: 1.25rem;
    }

    .pagination-wrap {
        margin-top: 2rem;
    }

    .empty-state {
        grid-column: 1 / -1;
        padding: 4rem 1rem;
        color: var(--muted);
        background: #fff;
        text-align: center;
    }

    .event-detail {
        padding-top: 2rem;
    }

    .back-link {
        display: inline-block;
        margin-bottom: 2rem;
        color: #087e9c;
        font-weight: 700;
    }

    .detail-layout {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 320px;
        gap: 3rem;
    }

    .detail-layout article, .registration-card {
        padding: clamp(1.5rem, 4vw, 3rem);
        background: #fff;
        border: 1px solid var(--line);
    }

    .detail-layout article h1 {
        margin: .5rem 0 1.5rem;
        font-size: clamp(1.8rem, 4vw, 3rem);
        line-height: 1.35;
    }

    .detail-summary {
        padding: 1.25rem;
        color: #087e9c;
        background: #effbfd;
        font-weight: 700;
    }

    .detail-body {
        margin-top: 2rem;
        line-height: 2;
    }

    .registration-card {
        align-self: start;
    }

    .registration-card dl {
        margin: 1.5rem 0;
    }

    .registration-card dl div {
        padding: .8rem 0;
        border-bottom: 1px solid var(--line);
    }

    .registration-card dt {
        color: var(--muted);
        font-size: .78rem;
    }

    .registration-card dd {
        margin: .2rem 0 0;
        font-weight: 700;
    }

    .registration-card .button {
        width: 100%;
    }

    .button.secondary {
        color: #087e9c;
        background: #e4f7fa;
    }

    .login-note, .full-label, .flash {
        margin-top: .8rem;
        color: var(--muted);
        font-size: .8rem;
    }

    .flash.success { color: #16805b; }
    .flash.error { color: #bd3d3d; }

    @media (max-width: 800px) {
        .event-hero { min-height: 0; }
        .hero-mark { display: none; }
        .search-form, .detail-layout { grid-template-columns: 1fr; }
        .event-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }

    @media (max-width: 560px) {
        .event-grid { grid-template-columns: 1fr; }
        .event-shell { padding-right: .8rem; padding-left: .8rem; }
    }

    main > .container > .text-center {
        padding: 3rem 1.25rem;
    }

    main > .container > .text-center h1 {
        letter-spacing: .08em;
    }

    main > .container > .grid {
        margin-top: 2rem;
    }

    main > .container > .max-w-3xl {
        padding: 1.5rem;
    }
}