:root {
  --color-bg: #f4efe3;
  --color-bg-paper: #faf6ec;
  --color-ink: #2b2a26;
  --color-ink-soft: #5a564a;
  --color-indigo: #223a5e;
  --color-indigo-deep: #16273d;
  --color-vermilion: #a63c2b;
  --color-gold: #a8853c;
  --color-line: #d8cfb8;
  --font-serif-jp: "Shippori Mincho", "Noto Serif JP", serif;
  --font-serif: "Noto Serif JP", "Shippori Mincho", serif;
  --shadow-soft: 0 6px 24px rgba(43, 42, 38, 0.10);
  --shadow-card: 0 10px 30px rgba(22, 39, 61, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle at 20% 10%, rgba(168, 133, 60, 0.06), transparent 45%),
    radial-gradient(circle at 85% 30%, rgba(34, 58, 94, 0.05), transparent 40%);
  color: var(--color-ink);
  font-family: var(--font-serif);
  line-height: 1.9;
  position: relative;
  min-height: 100vh;
}

.paper-texture {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image:
    repeating-linear-gradient(0deg, rgba(43,42,38,0.015) 0px, rgba(43,42,38,0.015) 1px, transparent 1px, transparent 3px);
}

/* ================= Header ================= */

.site-header {
  position: relative;
  padding: 4.5rem 1.5rem 3.5rem;
  text-align: center;
  border-bottom: 1px solid var(--color-line);
  background: linear-gradient(180deg, rgba(34,58,94,0.04), transparent 70%);
  overflow: hidden;
}

.header-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--color-indigo);
  text-transform: uppercase;
  margin: 0 0 1.1rem;
  opacity: 0.75;
}

.site-title {
  font-family: var(--font-serif-jp);
  font-weight: 700;
  font-size: clamp(2.8rem, 8vw, 4.6rem);
  letter-spacing: 0.14em;
  color: var(--color-indigo-deep);
  margin: 0;
  text-shadow: 0 1px 0 rgba(255,255,255,0.4);
}

.title-divider {
  color: var(--color-vermilion);
  margin: 0 0.05em;
}

.site-subtitle {
  margin: 1.1rem 0 0;
  font-size: 1rem;
  color: var(--color-ink-soft);
  letter-spacing: 0.04em;
}

.header-vertical {
  position: absolute;
  top: 2rem;
  right: clamp(1rem, 5vw, 4rem);
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-family: var(--font-serif-jp);
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  color: var(--color-gold);
  opacity: 0.55;
  display: flex;
}

/* ================= Layout ================= */

main {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 5rem;
}

.section-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.6rem;
  padding-bottom: 0.7rem;
  border-bottom: 2px solid var(--color-indigo);
  flex-wrap: wrap;
}

.section-label-jp {
  font-family: var(--font-serif-jp);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-indigo-deep);
}

.section-label-date,
.section-label-sub {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  letter-spacing: 0.05em;
}

.today-section {
  margin-bottom: 5rem;
}

/* ================= Today Card ================= */

.today-card {
  position: relative;
  background: var(--color-bg-paper);
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 3rem clamp(1.5rem, 6vw, 4rem);
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
}

.today-card::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(34, 58, 94, 0.18);
  border-radius: 3px;
  pointer-events: none;
}

.today-stamp {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-family: var(--font-serif-jp);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.3em;
  color: #fff;
  background: var(--color-vermilion);
  border-radius: 3px;
  padding: 1rem 0.6rem;
  height: fit-content;
  box-shadow: var(--shadow-soft);
  flex-shrink: 0;
}

.today-body {
  min-width: 0;
}

.quote-block {
  font-family: var(--font-serif-jp);
  font-size: clamp(1.15rem, 2.6vw, 1.55rem);
  line-height: 2.15;
  color: var(--color-ink);
  border-left: 3px solid var(--color-gold);
  padding-left: 1.3rem;
  margin: 0 0 2rem;
  white-space: pre-line;
  letter-spacing: 0.02em;
}

.quote-block::before {
  content: "「";
  color: var(--color-gold);
  margin-right: 0.05em;
}
.quote-block::after {
  content: "」";
  color: var(--color-gold);
  margin-left: 0.05em;
}

.work-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}

.work-title {
  font-family: var(--font-serif-jp);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-indigo-deep);
  margin: 0;
}

.work-author {
  font-size: 0.95rem;
  color: var(--color-ink-soft);
}

.work-translator {
  font-size: 0.82rem;
  color: var(--color-ink-soft);
  opacity: 0.8;
}

.work-source {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--color-indigo);
  text-decoration: none;
  border-bottom: 1px dotted var(--color-indigo);
  margin-bottom: 1.4rem;
  opacity: 0.85;
}
.work-source:hover {
  opacity: 1;
}

.shop-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.shop-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-serif-jp);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: #fff;
  background: var(--color-indigo);
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.15s ease, background 0.15s ease;
}

.shop-btn::after {
  content: "→";
  font-size: 0.8em;
}

.shop-btn:hover {
  background: var(--color-indigo-deep);
  transform: translateY(-2px);
}

/* ================= Archive ================= */

.archive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.archive-card {
  background: var(--color-bg-paper);
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 1.6rem 1.5rem;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.archive-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.archive-date {
  font-size: 0.72rem;
  color: var(--color-gold);
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}

.archive-quote {
  font-family: var(--font-serif-jp);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--color-ink);
  border-left: 2px solid var(--color-line);
  padding-left: 0.9rem;
  margin: 0 0 1rem;
  white-space: pre-line;
  flex-grow: 1;
}

.archive-work-title {
  font-family: var(--font-serif-jp);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-indigo-deep);
  margin: 0 0 0.2rem;
}

.archive-work-author {
  font-size: 0.82rem;
  color: var(--color-ink-soft);
  margin-bottom: 0.6rem;
}

.archive-source {
  font-size: 0.75rem;
  color: var(--color-indigo);
  text-decoration: none;
  border-bottom: 1px dotted var(--color-indigo);
  opacity: 0.8;
  margin-bottom: 0.9rem;
  align-self: flex-start;
}

.archive-shop-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.archive-shop-links .shop-btn {
  font-size: 0.75rem;
  padding: 0.4rem 0.9rem;
  background: transparent;
  color: var(--color-indigo);
  border: 1px solid var(--color-indigo);
  box-shadow: none;
}

.archive-shop-links .shop-btn:hover {
  background: var(--color-indigo);
  color: #fff;
}

/* ================= Footer ================= */

.site-footer {
  text-align: center;
  padding: 2.2rem 1.5rem;
  border-top: 1px solid var(--color-line);
  font-size: 0.78rem;
  color: var(--color-ink-soft);
  letter-spacing: 0.03em;
}

/* ================= Responsive ================= */

@media (max-width: 600px) {
  .today-card {
    grid-template-columns: 1fr;
  }
  .today-stamp {
    writing-mode: horizontal-tb;
    text-orientation: mixed;
    width: fit-content;
    padding: 0.35rem 0.9rem;
  }
  .header-vertical {
    display: none;
  }
}

/* ================= 感想の短冊（七夕風） ================= */

.tanzaku-mount {
  margin-top: 2rem;
}

.tanzaku-section {
  border-top: 1px dashed var(--color-line);
  padding-top: 1.4rem;
}

.tanzaku-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tanzaku-header-jp {
  font-family: var(--font-serif-jp);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-indigo-deep);
}

.tanzaku-header-jp::before {
  content: "🎋 ";
}

.tanzaku-header-note {
  font-size: 0.75rem;
  color: var(--color-gold);
  letter-spacing: 0.03em;
}

.tanzaku-header-note.tanzaku-closed {
  color: var(--color-ink-soft);
  opacity: 0.75;
}

.tanzaku-empty {
  font-size: 0.82rem;
  color: var(--color-ink-soft);
  opacity: 0.75;
  margin: 0 0 1rem;
}

.tanzaku-list {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.4rem 0.2rem 1.4rem;
  margin-bottom: 0.6rem;
  overflow-x: auto;
}

.tanzaku-strip {
  position: relative;
  flex: 1 1 260px;
  min-width: 220px;
  max-width: 320px;
  padding: 0.9rem 1.1rem 0.8rem 1.3rem;
  border-radius: 4px;
  border: 1px solid rgba(43, 42, 38, 0.08);
  border-left: 3px solid var(--color-gold);
  box-shadow: var(--shadow-soft);
  font-family: var(--font-serif-jp);
  font-size: 0.88rem;
  line-height: 1.75;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tanzaku-strip::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 14px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-bg-paper);
  border: 1px solid var(--color-line);
}

.tanzaku-text {
  margin: 0;
  white-space: pre-line;
  word-break: break-word;
}

.tanzaku-name {
  margin: 0;
  align-self: flex-end;
  font-size: 0.72rem;
  color: var(--color-ink-soft);
  opacity: 0.8;
}

.tanzaku-c1 { background: #f6dfd6; }
.tanzaku-c2 { background: #dbe6f0; }
.tanzaku-c3 { background: #f5edc9; }
.tanzaku-c4 { background: #faf8f1; }
.tanzaku-c5 { background: #e8dcee; }

.tanzaku-form {
  max-width: 420px;
}

.tanzaku-name-input,
.tanzaku-text-input {
  width: 100%;
  font-family: var(--font-serif-jp);
  color: var(--color-ink);
  background: var(--color-bg-paper);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: 0.6rem 0.8rem;
  box-sizing: border-box;
}

.tanzaku-name-input {
  font-size: 0.85rem;
  margin-bottom: 0.6rem;
}

.tanzaku-text-input {
  font-size: 0.9rem;
  line-height: 1.7;
  resize: vertical;
}

.tanzaku-name-input:focus,
.tanzaku-text-input:focus {
  outline: none;
  border-color: var(--color-indigo);
}

.tanzaku-form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.6rem;
}

.tanzaku-counter {
  font-size: 0.72rem;
  color: var(--color-ink-soft);
  opacity: 0.75;
}

.tanzaku-submit-btn {
  font-family: var(--font-serif-jp);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--color-vermilion);
  border: none;
  border-radius: 999px;
  padding: 0.5rem 1.3rem;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: transform 0.15s ease, background 0.15s ease;
}

.tanzaku-submit-btn:hover {
  background: #8a3122;
  transform: translateY(-2px);
}

.tanzaku-submit-btn:disabled {
  opacity: 0.6;
  cursor: default;
  transform: none;
}

.tanzaku-error {
  font-size: 0.78rem;
  color: var(--color-vermilion);
  margin: 0.5rem 0 0;
}

@media (max-width: 600px) {
  .tanzaku-strip {
    min-width: 0;
    max-width: none;
    width: 100%;
    font-size: 0.85rem;
  }
}