* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    background: #0b0b0b;
    color: #f5f1e8;
    line-height: 1.8;
}

header {
    background:
        radial-gradient(circle at center, rgba(201, 161, 72, 0.25), transparent 35%),
        linear-gradient(135deg, #050505, #1a1a1a 45%, #050505);
    border-bottom: 1px solid #c9a148;
}

.hero {
    min-height: 620px;
    padding: 120px 20px 90px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero h1 {
    margin: 0;
    font-size: 3rem;
    letter-spacing: 0.12em;
    color: #d6b25e;
}

.zjk {
    margin-top: 26px;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 3.8rem;
    font-weight: bold;
    letter-spacing: 0.22em;
    color: #e8e4d8;

    text-shadow:
        1px 1px 0 #8a7a55,
        2px 2px 0 #4d4638,
        4px 4px 8px rgba(0, 0, 0, 0.9),
        0 0 18px rgba(214, 178, 94, 0.35);
}

.anniversary {
    margin-top: 40px;
    font-size: 1.5rem;
    color: #d6b25e;
}

.anniversary2 {
    margin-top: 10px;
    font-size: 2.8rem;
    font-weight: bold;
    color: #d6b25e;
    letter-spacing: 0.08em;
}

.catch {
    margin-top: 40px;
    font-size: 1.3rem;
    color: #f5f1e8;
}

nav {
    background: #111111;
    border-bottom: 1px solid #333;
}

nav ul {
    margin: 0 auto;
    padding: 0;
    max-width: 1100px;
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav li {
    margin: 0;
}

nav a {
    display: block;
    padding: 18px 22px;
    color: #f5f1e8;
    text-decoration: none;
    font-size: 0.95rem;
}

nav a:hover {
    background: #1f1f1f;
    color: #d6b25e;
}

main {
    max-width: 1000px;
    margin: 0 auto;
    padding: 70px 20px;
}

section {
    margin-bottom: 60px;
    padding: 40px;
    background: #151515;
    border: 1px solid #2c2c2c;
    border-left: 5px solid #c9a148;
}

section h2 {
    margin-top: 0;
    color: #d6b25e;
    font-size: 1.8rem;
    border-bottom: 1px solid #333;
    padding-bottom: 12px;
}

.anniversary60 {

    background:
        radial-gradient(circle at center,
            rgba(255, 193, 7, 0.12),
            #050505 70%);

    padding: 60px;
    color: #ffffff;
}

.anniversary60 h2 {

    color: #d9b45b;
    font-size: 42px;
    margin-bottom: 40px;

    text-shadow:
        0 0 10px rgba(217, 180, 91, .6);
}

.anniversary-wrap {

    display: flex;
    justify-content: center;
    align-items: center;
    gap: 80px;

    flex-wrap: wrap;
}

.booklet-box,
.sticker-box {

    border: 3px solid #d9b45b;

    border-radius: 10px;

    padding: 20px;

    background: rgba(20, 20, 20, .9);

    box-shadow:
        0 0 10px rgba(217, 180, 91, .5),
        0 0 25px rgba(217, 180, 91, .3);
}

.booklet-box img {

    width: 350px;
    display: block;
}

.sticker-box img {

    width: 260px;
    display: block;
}

.event-info {

    margin-top: 50px;
    font-size: 22px;
    line-height: 2;
}

.message60 {

    background:
        linear-gradient(135deg,
            rgba(217, 180, 91, .10),
            rgba(0, 0, 0, .95));

    border-left: 5px solid #d9b45b;
}

.message60 h2 {

    color: #d9b45b;

    text-shadow:
        0 0 10px rgba(217, 180, 91, .5);
}

.message-box {

    margin-top: 30px;

    padding: 35px;

    border: 1px solid rgba(217, 180, 91, .4);

    background: rgba(10, 10, 10, .7);

    box-shadow:
        0 0 15px rgba(217, 180, 91, .15);

    line-height: 2.2;

    font-size: 18px;
}

.message-sign {

    margin-top: 40px;

    text-align: right;

    color: #d9b45b;
}

/* =========================
   60年の歩み history.html
========================= */

.page-hero {
    min-height: 460px;
}

.history-intro {
    background:
        linear-gradient(135deg, rgba(217, 180, 91, 0.08), rgba(0, 0, 0, 0.95));
}

.history-photo {
    text-align: center;
    margin: 35px 0;
}

.history-photo img {
    max-width: 760px;
    width: 100%;
    border: 3px solid #d9b45b;
    border-radius: 8px;
    box-shadow:
        0 0 15px rgba(217, 180, 91, 0.35),
        0 0 35px rgba(0, 0, 0, 0.8);
    filter: sepia(0.15) contrast(1.05);
}

.timeline-section {
    background:
        linear-gradient(135deg, rgba(217, 180, 91, 0.06), rgba(0, 0, 0, 0.95));
}

.timeline {
    position: relative;
    margin-top: 40px;
    padding-left: 36px;
}

.timeline::before {
    content: "";
    position: absolute;
    top: 0;
    left: 10px;
    width: 3px;
    height: 100%;
    background: linear-gradient(#d9b45b, #7a5b1d);
    box-shadow: 0 0 12px rgba(217, 180, 91, 0.5);
}

.timeline-item {
    position: relative;
    margin-bottom: 34px;
    padding: 24px 28px;
    background: rgba(10, 10, 10, 0.78);
    border: 1px solid rgba(217, 180, 91, 0.32);
    border-radius: 8px;
    box-shadow: 0 0 12px rgba(217, 180, 91, 0.12);
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -34px;
    top: 30px;
    width: 16px;
    height: 16px;
    background: #d9b45b;
    border-radius: 50%;
    box-shadow:
        0 0 0 4px rgba(217, 180, 91, 0.18),
        0 0 12px rgba(217, 180, 91, 0.8);
}

.timeline-item .year {
    display: inline-block;
    margin-bottom: 10px;
    color: #d9b45b;
    font-size: 1.25rem;
    font-weight: bold;
    letter-spacing: 0.05em;
}

.timeline-item p {
    margin: 0;
    color: #f5f1e8;
}

.history-table {

    width: 100%;
    border-collapse: collapse;
    margin-top: 30px;
}

.history-table th {

    background: #1b1b1b;
    color: #d9b45b;
    padding: 15px;
    border: 1px solid #444;
}

.history-table td {

    padding: 15px;
    border: 1px solid #333;
}

.history-table tr:hover {

    background: rgba(217, 180, 91, .08);
}

.history-link {

    text-align: center;

    margin-top: 90px;
    margin-bottom: 90px;
}

.history-link a {

    display: inline-block;

    padding: 18px 50px;

    color: #d9b45b;

    text-decoration: none;

    font-size: 20px;
    font-weight: bold;

    border: 2px solid #d9b45b;

    border-radius: 6px;

    transition: .3s;

    box-shadow:
        0 0 10px rgba(217, 180, 91, .3);
}

.history-link a:hover {

    background: #d9b45b;
    color: #000;

    box-shadow:
        0 0 20px rgba(217, 180, 91, .8);
}

.submit-list {
    margin-top: 25px;
    padding-left: 1.5em;
}

.submit-list li {
    margin-bottom: 12px;
    line-height: 1.8;
}


.submit-list {
    margin-top: 25px;
    padding-left: 1.5em;
}

.submit-list li {
    margin-bottom: 12px;
    line-height: 1.8;
}

.gold-line {
    margin: 30px 0;
    border: 0;
    border-top: 1px solid rgba(217, 180, 91, .3);
}

.gold-title {
    color: #d9b45b;
}

.mail-address {
    font-size: 1.25rem;
    font-weight: bold;
}

.mail-address a {
    color: #d9b45b;
    text-decoration: none;
}

.mail-address a:hover {
    text-decoration: underline;
}

.center-button {
    text-align: center;
    margin-top: 40px;
}

.history-button {
    display: inline-block;

    padding: 16px 40px;

    color: #d9b45b;
    text-decoration: none;

    font-size: 22px;
    font-weight: bold;

    border: 2px solid #d9b45b;
    border-radius: 8px;

    background: rgba(20, 20, 20, .8);

    box-shadow:
        0 0 8px rgba(217, 180, 91, .4),
        0 0 18px rgba(217, 180, 91, .2);

    transition: all .3s ease;
    min-width: 280px;
}

.history-button:hover {

    color: #000;

    background: #d9b45b;

    box-shadow:
        0 0 12px rgba(217, 180, 91, .8),
        0 0 25px rgba(217, 180, 91, .5);

    transform: translateY(-2px);
}

.memory-card {
    background:
        linear-gradient(135deg, rgba(217, 180, 91, .06), rgba(0, 0, 0, .95));
}

.memory-photo {
    text-align: center;
    margin: 30px 0;
}

.memory-photo img {
    max-width: 760px;
    width: 100%;
    border: 3px solid #d9b45b;
    border-radius: 8px;
    box-shadow: 0 0 25px rgba(217, 180, 91, .35);
}

.memory-caption {
    text-align: center;
    color: #d9b45b;
}

.memory-grid {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 50px;
    flex-wrap: wrap;
    margin: 35px 0;
}

.memory-item {
    text-align: center;
}

.memory-item img {
    max-width: 260px;
    width: 100%;
    border: 2px solid #d9b45b;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(217, 180, 91, .35);
}

.memory-item p {
    color: #d9b45b;
    font-weight: bold;
}


/* スマホ対応 */
@media (max-width: 768px) {
    .hero {
        min-height: 520px;
        padding: 80px 18px;
    }

    .hero h1 {
        font-size: 2rem;
        letter-spacing: 0.06em;
    }

    .zjk {
        font-size: 2.4rem;
        letter-spacing: 0.18em;
    }

    .anniversary2 {
        font-size: 2rem;
    }

    .catch {
        font-size: 1.05rem;
    }

    nav ul {
        display: block;
    }

    nav a {
        text-align: center;
        border-bottom: 1px solid #222;
    }

    section {
        padding: 26px 20px;
    }

    .anniversary-wrap {

        flex-direction: column;
        gap: 40px;
    }

    .booklet-box img {

        width: 280px;
    }

    .sticker-box img {

        width: 180px;
    }

    .anniversary60 h2 {

        font-size: 32px;
    }

    .page-hero {
        min-height: 380px;
    }

    .timeline {
        padding-left: 26px;
    }

    .timeline::before {
        left: 7px;
    }

    .timeline-item {
        padding: 20px;
    }

    .timeline-item::before {
        left: -27px;
    }

    .timeline-item .year {
        font-size: 1.1rem;
    }
}