/* ============================================================
   iris-springtea.css — 春摘みダージリン
   🌸 桜色 × 新芽グリーン × 薄金 × 柔らかい余韻
   ============================================================ */

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

:root {
    --ink:      #3a2830;
    --paper:    #fff8f5;
    --gold:     #c8a86a;
    --sakura:   #e8a0b0;    /* 桜 */
    --sakura2:  #f5c8d0;
    --sprout:   #7aaa7a;    /* 新芽 */
    --sprout2:  #a0c890;
    --night-bg: #180f14;
    --shadow:   rgba(60,20,40,0.25);
}

* { box-sizing: border-box; }

body {
    background-color: var(--night-bg);
    margin: 0;
    font-family: 'Noto Serif JP', serif;
    color: var(--ink);
    line-height: 1.9;
    display: flex;
    justify-content: center;
    padding: 40px 20px;
}

/* 背景：春の朝霧 */
.letter-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background:
        radial-gradient(ellipse at 15% 0%,   rgba(232,160,176,0.15) 0%, transparent 45%),
        radial-gradient(ellipse at 85% 100%,  rgba(122,170,122,0.12) 0%, transparent 45%),
        radial-gradient(ellipse at 50% 50%,   rgba(200,168,106,0.05) 0%, transparent 60%),
        linear-gradient(170deg, #180f14 0%, #120a0e 100%);
    z-index: -1;
}

/* 花びら装飾（CSS only） */
.letter-overlay::before {
    content: '✿  ✿  ✿';
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(232,160,176,0.12);
    font-size: 2rem;
    letter-spacing: 2rem;
    pointer-events: none;
}

.letter-container {
    max-width: 680px;
    width: 100%;
    filter: drop-shadow(0 12px 32px var(--shadow));
    opacity: 0;
    transition: opacity 1.6s ease-in;
}

/* 便箋：白桃色 + 桜の薄紙感 */
.letter-paper {
    background-color: var(--paper);
    padding: 64px 52px;
    position: relative;
    border-radius: 3px;
    background-image:
        radial-gradient(ellipse at 90% 5%, rgba(232,160,176,0.12) 0%, transparent 40%),
        radial-gradient(ellipse at 10% 95%, rgba(122,170,122,0.08) 0%, transparent 40%),
        url("https://www.transparenttextures.com/patterns/natural-paper.png");
}

/* 外枠：桜色 */
.letter-paper::before {
    content: '';
    position: absolute;
    top: 18px; bottom: 18px; left: 18px; right: 18px;
    border: 1px solid var(--sakura);
    pointer-events: none;
    opacity: 0.45;
    border-radius: 2px;
}

/* 角飾り */
.letter-paper::after {
    content: '❀';
    position: absolute;
    bottom: 24px;
    right: 28px;
    font-size: 1.2rem;
    color: var(--sakura);
    opacity: 0.4;
}

.letter-header { margin-bottom: 40px; }

.tea-accent {
    font-size: 1.8rem;
    margin-bottom: 12px;
    filter: hue-rotate(10deg);
}

.recipient-line {
    font-size: 1.2rem;
    font-weight: 700;
    border-bottom: 2px solid var(--sakura);
    display: inline-block;
    letter-spacing: 0.06em;
}

.letter-intro { margin-bottom: 30px; font-weight: 500; }

.tea-suggestion {
    margin-top: 20px;
    padding: 16px 18px;
    background: linear-gradient(135deg, rgba(232,160,176,0.08), rgba(122,170,122,0.06));
    border-left: 3px solid var(--sprout);
    font-size: 0.95rem;
}

.letter-divider {
    border: none;
    margin: 40px 0;
    position: relative;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--sakura), var(--sprout2), var(--sakura), transparent);
    opacity: 0.5;
}

.review-meta { margin-bottom: 30px; }

.read-status {
    font-family: 'Cinzel', serif;
    color: var(--sprout);
    font-size: 0.82rem;
    letter-spacing: 1.5px;
}

.review-summary {
    font-size: 1.1rem;
    font-weight: 700;
    color: #5a303a;
    margin-top: 10px;
    padding-left: 12px;
    border-left: 3px solid var(--sakura2);
}

.letter-body p {
    margin-bottom: 1.5em;
    text-align: justify;
}

.letter-footer { margin-top: 60px; text-align: right; }

.closing {
    font-weight: 700;
    color: var(--sakura);
    margin-bottom: 20px;
}

.signature { font-size: 1.1rem; font-weight: 500; color: var(--ink); }
.sign-label { color: var(--sprout); }

@media (max-width: 600px) {
    .letter-paper    { padding: 44px 26px; }
    .recipient-line  { font-size: 1.05rem; }
}