/* ============================================================
   Greetings Page - 代表者挨拶
   第78回水戸一高・附属中学校学苑祭「天翔る」
   ============================================================ */

body {
    background-color: #f6dc9f;
    color: #1a1207;
    overflow-x: hidden;
}

/* ===== Main Wrapper ===== */
.greetings_main {
    position: relative;
    width: 100%;
    min-height: 100vh;
    padding: 140px 24px 100px;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(255, 255, 255, 0.45), transparent 45%),
        radial-gradient(ellipse at 80% 100%, rgba(218, 181, 132, 0.55), transparent 50%),
        linear-gradient(180deg, #f6dc9f 0%, #efd190 50%, #dab584 100%);
    overflow: hidden;
}

/* ===== Decorative background waves ===== */
.greetings_main::before,
.greetings_main::after {
    content: "";
    position: absolute;
    pointer-events: none;
    z-index: 0;
}

.greetings_main::before {
    top: -120px;
    left: -80px;
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.4) 0%, transparent 70%);
    filter: blur(40px);
}

.greetings_main::after {
    bottom: -160px;
    right: -100px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(26, 18, 7, 0.08) 0%, transparent 70%);
    filter: blur(60px);
}

/* ===== Page Heading ===== */
.greetings_header {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 880px;
    margin: 0 auto 64px;
}

.greetings_label {
    display: inline-block;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 11px;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: rgba(26, 18, 7, 0.55);
    margin-bottom: 18px;
    padding: 6px 18px;
    border: 1px solid rgba(26, 18, 7, 0.2);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.greetings_title {
    font-family: "Zen Old Mincho", serif;
    font-weight: 900;
    font-size: clamp(34px, 6vw, 56px);
    letter-spacing: 0.12em;
    color: #1a1207;
    line-height: 1.3;
    margin-bottom: 18px;
}

.greetings_title_accent {
    display: inline-block;
    position: relative;
}

.greetings_title_accent::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -10px;
    transform: translateX(-50%);
    width: 64px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #1a1207, transparent);
}

.greetings_subtitle {
    font-family: "Shippori Mincho", serif;
    font-size: clamp(14px, 2vw, 17px);
    color: rgba(26, 18, 7, 0.65);
    letter-spacing: 0.08em;
    margin-top: 24px;
}

/* ===== Greeting Card List ===== */
.greetings_list {
    position: relative;
    z-index: 2;
    max-width: 880px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 56px;
}

/* ===== Single Greeting Card ===== */
.greeting_card {
    position: relative;
    padding: 56px clamp(28px, 5vw, 64px) 52px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.78) 0%, rgba(255, 255, 255, 0.62) 100%);
    border: 1px solid rgba(26, 18, 7, 0.1);
    border-radius: 28px;
    box-shadow:
        0 24px 60px rgba(26, 18, 7, 0.14),
        0 4px 12px rgba(26, 18, 7, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    overflow: hidden;
}

/* Corner ornaments */
.greeting_card::before,
.greeting_card::after {
    content: "";
    position: absolute;
    width: 36px;
    height: 36px;
    border-color: rgba(26, 18, 7, 0.35);
    border-style: solid;
}

.greeting_card::before {
    top: 18px;
    left: 18px;
    border-width: 1.5px 0 0 1.5px;
    border-top-left-radius: 6px;
}

.greeting_card::after {
    bottom: 18px;
    right: 18px;
    border-width: 0 1.5px 1.5px 0;
    border-bottom-right-radius: 6px;
}

/* Role tag (校長 / 実行委員長) */
.greeting_role {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.32em;
    color: #f6dc9f;
    background: #1a1207;
    padding: 9px 20px 9px 22px;
    border-radius: 999px;
    margin-bottom: 22px;
    box-shadow: 0 6px 16px rgba(26, 18, 7, 0.25);
}

.greeting_role_mark {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #f6dc9f;
    box-shadow: 0 0 8px rgba(246, 220, 159, 0.8);
}

/* Heading */
.greeting_heading {
    font-family: "Zen Old Mincho", serif;
    font-weight: 900;
    font-size: clamp(24px, 4vw, 34px);
    line-height: 1.5;
    letter-spacing: 0.08em;
    color: #1a1207;
    margin-bottom: 14px;
}

/* Author meta */
.greeting_author {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 6px 14px;
    padding-bottom: 24px;
    margin-bottom: 32px;
    border-bottom: 1px dashed rgba(26, 18, 7, 0.25);
}

.greeting_author_title {
    font-family: "Shippori Mincho", serif;
    font-size: 13px;
    color: rgba(26, 18, 7, 0.6);
    letter-spacing: 0.16em;
}

.greeting_author_name {
    font-family: "Zen Old Mincho", serif;
    font-size: clamp(17px, 2.4vw, 20px);
    font-weight: 700;
    color: #1a1207;
    letter-spacing: 0.18em;
}

/* Body text */
.greeting_body {
    font-family: "Shippori Mincho", serif;
    font-size: clamp(15px, 1.7vw, 16.5px);
    line-height: 2.15;
    color: rgba(26, 18, 7, 0.88);
    letter-spacing: 0.04em;
}

.greeting_body p {
    margin-bottom: 1.6em;
    text-align: justify;
    text-justify: inter-ideograph;
}

.greeting_body p:last-child {
    margin-bottom: 0;
}

/* First letter accent */
.greeting_body p:first-of-type::first-letter {
    font-family: "Zen Old Mincho", serif;
    font-weight: 900;
    font-size: 1.4em;
    color: #1a1207;
}

/* Date / Signature */
.greeting_date {
    margin-top: 36px;
    text-align: right;
    font-family: "Shippori Mincho", serif;
    font-size: 14px;
    letter-spacing: 0.18em;
    color: rgba(26, 18, 7, 0.7);
}

/* Decorative accent stroke at top of card */
.greeting_card_accent {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, transparent, #1a1207 30%, #1a1207 70%, transparent);
    border-radius: 0 0 4px 4px;
}

/* ===== Back link ===== */
.greetings_footer_nav {
    position: relative;
    z-index: 2;
    max-width: 880px;
    margin: 64px auto 0;
    text-align: center;
}

.greetings_back {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 34px;
    border-radius: 999px;
    background: #1a1207;
    color: #f6dc9f;
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.12em;
    text-decoration: none;
    box-shadow: 0 12px 28px rgba(26, 18, 7, 0.25);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.greetings_back:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 36px rgba(26, 18, 7, 0.32);
    background: #2a1f10;
}

.greetings_back_arrow {
    display: inline-block;
    transition: transform 0.3s ease;
}

.greetings_back:hover .greetings_back_arrow {
    transform: translateX(-4px);
}

/* ===== Reveal Animation ===== */
.greetings_reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.greetings_reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .greetings_main {
        padding: 120px 16px 80px;
    }
    .greetings_list {
        gap: 40px;
    }
    .greeting_card {
        padding: 44px 22px 38px;
        border-radius: 22px;
    }
    .greeting_card::before,
    .greeting_card::after {
        width: 24px;
        height: 24px;
    }
    .greeting_card::before {
        top: 12px;
        left: 12px;
    }
    .greeting_card::after {
        bottom: 12px;
        right: 12px;
    }
    .greeting_body {
        line-height: 2.0;
    }
    .greeting_role {
        font-size: 11px;
        letter-spacing: 0.24em;
        padding: 8px 16px;
    }
}

@media (max-width: 420px) {
    .greetings_header {
        margin-bottom: 44px;
    }
    .greeting_heading {
        letter-spacing: 0.04em;
    }
    .greeting_author {
        padding-bottom: 18px;
        margin-bottom: 24px;
    }
    .greeting_date {
        text-align: center;
    }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    .greetings_reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}