@charset "UTF-8";

:root {
  --paper: #F5F0E6;
  --paper-deep: #EFE7D8;
  --ink: #1C1B18;
  --ink-soft: #8C8578;
  --vermilion: #B03A2E;
  --vermilion-dark: #8E2E24;
  --sunset-a: #F2A65A;
  --sunset-b: #D9776B;
  --gold: #C9A66B;
  --gold-bright: #E8C878;
  --line: rgba(28, 27, 24, 0.14);
  --serif: "Noto Serif SC", "Songti SC", "STSong", "Source Han Serif SC", serif;
  --calligraphy: "Ma Shan Zheng", "ZCOOL XiaoWei", "Noto Serif SC", cursive;
  --latin: "Cormorant Garamond", "Times New Roman", Georgia, serif;
  --ease-serene: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--serif), system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--vermilion); }
h1, h2, h3 { font-weight: 500; line-height: 1.3; margin: 0; }
p { margin: 0; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: -4rem;
  left: 1rem;
  padding: 0.65rem 1rem;
  background: var(--ink);
  color: var(--paper);
  transition: top 0.2s ease;
}
.skip-link:focus { top: 1rem; outline: 2px solid var(--vermilion); outline-offset: 2px; }

.paper-grain {
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
  opacity: 0.12;
  mix-blend-mode: multiply;
  background-image:
    radial-gradient(rgba(28, 27, 24, 0.15) 0.55px, transparent 0.7px);
  background-size: 11px 11px;
}

/* ---------- Header ---------- */
.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem clamp(1rem, 4vw, 2.5rem);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}
.brand-seal-img {
  width: 2.1rem;
  height: 2.1rem;
  object-fit: contain;
  filter: drop-shadow(0 1px 2px rgba(28, 27, 24, 0.25));
  transform: rotate(-8deg);
}
.brand-text {
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  color: rgba(28, 27, 24, 0.85);
  text-shadow: 0 1px 0 rgba(245, 240, 230, 0.6);
}
.brand-ver {
  margin-left: 0.35rem;
  color: var(--gold);
  font-family: var(--latin);
  font-style: italic;
  font-weight: 600;
}

.site-nav {
  display: flex;
  gap: clamp(0.9rem, 3vw, 1.8rem);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: rgba(28, 27, 24, 0.72);
}
.site-nav a {
  position: relative;
  text-shadow: 0 1px 0 rgba(245, 240, 230, 0.5);
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -0.3rem;
  height: 1px;
  background: var(--vermilion);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease-serene);
}
.site-nav a:hover::after,
.site-nav a:focus-visible::after { transform: scaleX(1); }

/* ---------- HERO (visual dominant) ---------- */
.hero {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 5.5rem 1.1rem 3.5rem;
  overflow: hidden;
  background: #c9b5a0;
}

/* Full-bleed painted banner — opacity 1, clearly visible */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url("assets/hero-banner.png");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: 1;
}

/* Extra sunset radial glow ON TOP of banner */
.hero-sunset-glow {
  position: absolute;
  z-index: 1;
  top: 6%;
  right: 8%;
  width: min(55vw, 420px);
  height: min(45vw, 340px);
  pointer-events: none;
  background: radial-gradient(ellipse at center,
    rgba(255, 200, 110, 0.55) 0%,
    rgba(242, 166, 90, 0.32) 28%,
    rgba(217, 119, 107, 0.16) 52%,
    transparent 72%);
  animation: glow-pulse 9s ease-in-out infinite;
  mix-blend-mode: screen;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.75; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}

/* Light veil only over lower text area — image stays dominant above */
.hero-veil {
  position: absolute;
  z-index: 2;
  left: 0; right: 0; bottom: 0;
  height: 48%;
  pointer-events: none;
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(245, 240, 230, 0.18) 35%,
    rgba(245, 240, 230, 0.55) 70%,
    rgba(239, 231, 216, 0.82) 100%);
}

/* ---------- Cranes (PNG sprites, obvious flight) ---------- */
.crane-stage {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  overflow: hidden;
}

.crane {
  position: absolute;
  width: clamp(80px, 12vw, 140px);
  height: auto;
  opacity: 0.92;
  filter: drop-shadow(0 2px 4px rgba(28, 27, 24, 0.2));
  will-change: transform, opacity;
}

.crane-1 {
  top: 22%;
  left: -12%;
  width: clamp(100px, 14vw, 140px);
  animation: crane-fly-1 24s linear infinite;
}
.crane-2 {
  top: 36%;
  left: -14%;
  width: clamp(85px, 11vw, 115px);
  opacity: 0.78;
  animation: crane-fly-2 30s linear infinite 5s;
}
.crane-3 {
  top: 18%;
  left: -10%;
  width: clamp(80px, 9vw, 95px);
  opacity: 0.65;
  animation: crane-fly-3 34s linear infinite 12s;
}

@keyframes crane-fly-1 {
  0%   { transform: translate3d(0, 0, 0) rotate(-6deg); opacity: 0; }
  4%   { opacity: 0.95; }
  45%  { transform: translate3d(55vw, -7vh, 0) rotate(3deg); }
  92%  { opacity: 0.85; }
  100% { transform: translate3d(115vw, 5vh, 0) rotate(-2deg); opacity: 0; }
}
@keyframes crane-fly-2 {
  0%   { transform: translate3d(0, 0, 0) rotate(5deg); opacity: 0; }
  6%   { opacity: 0.8; }
  50%  { transform: translate3d(52vw, 8vh, 0) rotate(-4deg); }
  100% { transform: translate3d(118vw, -3vh, 0) rotate(2deg); opacity: 0; }
}
@keyframes crane-fly-3 {
  0%   { transform: translate3d(5vw, 3vh, 0) rotate(-3deg); opacity: 0; }
  8%   { opacity: 0.7; }
  100% { transform: translate3d(110vw, -9vh, 0) rotate(6deg); opacity: 0; }
}

/* Mobile: keep at least 1 crane visible & large */
@media (max-width: 720px) {
  .crane-2, .crane-3 { display: none; }
  .crane-1 {
    top: 26%;
    width: 110px;
    animation-duration: 22s;
  }
}

/* ---------- Hero text ---------- */
.hero-content {
  position: relative;
  z-index: 5;
  text-align: center;
  max-width: 44rem;
  padding: 1.5rem 1rem 1.25rem;
  border-radius: 8px;
}

.hero-kicker {
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  color: var(--ink-soft);
  margin-bottom: 1rem;
}

.title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem 1.1rem;
  margin-bottom: 0.85rem;
}

.hero-title {
  font-family: var(--calligraphy);
  text-align: center;
}
.title-main {
  display: block;
  font-size: clamp(2rem, 7.5vw, 3.4rem);
  letter-spacing: 0.06em;
  text-shadow: 0 1px 0 rgba(245, 240, 230, 0.7), 0 2px 12px rgba(245, 240, 230, 0.35);
}
.title-series {
  display: block;
  margin-top: 0.3rem;
  font-size: clamp(1.4rem, 4.8vw, 2.25rem);
  letter-spacing: 0.1em;
}

.ver-inline {
  display: inline-block;
  margin: 0 0.12em;
  padding: 0 0.18em 0.02em;
  font-family: var(--latin);
  font-style: italic;
  font-weight: 600;
  font-size: 1.05em;
  letter-spacing: 0.02em;
  line-height: 1;
  vertical-align: 0.05em;
  color: var(--gold-bright);
  background: linear-gradient(145deg, rgba(176, 58, 46, 0.95), rgba(142, 46, 36, 0.92));
  border: 1.5px solid var(--gold);
  border-radius: 0.35em;
  box-shadow:
    0 0 0 2px rgba(201, 166, 107, 0.28),
    0 3px 10px rgba(28, 27, 24, 0.15);
  text-shadow: none;
  transform: rotate(-4deg);
}


/* Large gold / vermillion 2.0 badge */
.ver-badge {
  display: inline-grid;
  place-items: center;
  min-width: 3.6rem;
  height: 3.6rem;
  padding: 0 0.35rem;
  border: 2.5px solid var(--gold);
  border-radius: 50%;
  font-family: var(--latin);
  font-style: italic;
  font-weight: 600;
  font-size: 1.55rem;
  letter-spacing: 0.02em;
  color: var(--gold-bright);
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 240, 200, 0.55), transparent 55%),
    linear-gradient(145deg, rgba(176, 58, 46, 0.92), rgba(142, 46, 36, 0.95));
  box-shadow:
    0 0 0 3px rgba(201, 166, 107, 0.35),
    0 6px 18px rgba(28, 27, 24, 0.2),
    inset 0 1px 0 rgba(255, 230, 180, 0.35);
  transform: rotate(-8deg);
  flex-shrink: 0;
  animation: badge-glow 4.5s ease-in-out infinite;
}
@keyframes badge-glow {
  0%, 100% { box-shadow: 0 0 0 3px rgba(201, 166, 107, 0.35), 0 6px 18px rgba(28, 27, 24, 0.2), inset 0 1px 0 rgba(255, 230, 180, 0.35); }
  50% { box-shadow: 0 0 0 5px rgba(232, 200, 120, 0.5), 0 8px 22px rgba(176, 58, 46, 0.25), inset 0 1px 0 rgba(255, 240, 200, 0.5); }
}

.hero-subtitle {
  font-family: var(--calligraphy);
  font-size: clamp(1.15rem, 3.5vw, 1.55rem);
  letter-spacing: 0.35em;
  color: var(--vermilion-dark);
  margin-bottom: 0.85rem;
  text-shadow: 0 1px 0 rgba(245, 240, 230, 0.65);
}

 .hero-meta-tz {
  display: inline-block;
  margin-top: 0.2rem;
  font-size: 0.9em;
  opacity: 0.85;
}
.hero-meta {
  font-size: 0.82rem;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  margin-bottom: 2rem;
}

.scroll-cue {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--ink-soft);
}
.scroll-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--vermilion);
  animation: drip 2.4s ease-in-out infinite;
}
@keyframes drip {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(12px); opacity: 0.3; }
}

.ink-reveal {
  opacity: 0;
  filter: blur(8px);
  transform: translateY(16px);
  animation: ink-in 1.5s var(--ease-serene) 0.25s forwards;
}
@keyframes ink-in {
  to { opacity: 1; filter: blur(0); transform: translateY(0); }
}

/* ---------- Sections ---------- */
.section-inner {
  position: relative;
  z-index: 2;
  max-width: 960px;
  margin: 0 auto;
  padding: 4.25rem clamp(1.15rem, 4vw, 2.5rem);
}
.section-head {
  text-align: center;
  margin-bottom: 2.5rem;
}
.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.32em;
  color: var(--ink-soft);
  margin-bottom: 0.55rem;
}
.section-head h2 {
  font-family: var(--calligraphy);
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  letter-spacing: 0.12em;
  margin-bottom: 0.45rem;
}
.section-lead {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

/* ---------- Countdown ---------- */
.countdown-section {
  background: linear-gradient(180deg, var(--paper-deep) 0%, var(--paper) 100%);
  position: relative;
}

.countdown-frame {
  position: relative;
  margin: 0 auto;
  max-width: 40rem;
  padding: 3.25rem 1.35rem 2.4rem;
  background:
    linear-gradient(135deg, rgba(245, 240, 230, 0.98), rgba(239, 231, 216, 0.95));
  border: 2px solid rgba(28, 27, 24, 0.18);
  border-radius: 18px 42px 22px 38px / 38px 18px 42px 22px;
  box-shadow:
    inset 0 0 0 7px rgba(245, 240, 230, 0.55),
    0 10px 36px rgba(28, 27, 24, 0.07);
  text-align: center;
}
.countdown-frame::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px dashed rgba(176, 58, 46, 0.3);
  border-radius: 14px 36px 18px 34px / 34px 14px 36px 18px;
  pointer-events: none;
}

.countdown-seal {
  position: absolute;
  top: -1.35rem;
  right: 10%;
  width: clamp(3.4rem, 10vw, 4.5rem);
  height: auto;
  transform: rotate(10deg);
  filter: drop-shadow(1px 3px 4px rgba(176, 58, 46, 0.35));
  z-index: 2;
}

.countdown-units {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: center;
  gap: 0.4rem 0.55rem;
}

.unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 4.2rem;
}

.digit-wrap {
  position: relative;
  height: clamp(3rem, 8vw, 4.5rem);
  min-width: clamp(3.2rem, 9vw, 4.8rem);
  overflow: hidden;
}

.digit {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  line-height: clamp(3rem, 8vw, 4.5rem);
  text-align: center;
  transition: opacity 0.55s var(--ease-serene), filter 0.55s var(--ease-serene);
}

.digit-next {
  position: absolute;
  inset: 0;
  opacity: 0;
  filter: blur(8px);
}

.unit.dissolving .digit-curr {
  opacity: 0;
  filter: blur(8px);
}
.unit.dissolving .digit-next {
  opacity: 1;
  filter: blur(0);
}

.unit-label {
  margin-top: 0.4rem;
  font-size: 0.8rem;
  letter-spacing: 0.28em;
  color: var(--ink-soft);
}

.unit-sep {
  align-self: center;
  padding-bottom: 1.6rem;
  color: var(--ink-soft);
  font-size: 1.4rem;
  opacity: 0.45;
}

.countdown-done {
  margin-top: 1.25rem;
  font-family: var(--calligraphy);
  font-size: 1.25rem;
  letter-spacing: 0.2em;
  color: var(--vermilion);
}

/* ---------- Tip cards ---------- */
.intro-section { background: var(--paper); }

.tip-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}
@media (min-width: 640px) {
  .tip-grid { grid-template-columns: 1fr 1fr; }
}

.tip-card {
  position: relative;
  padding: 1.7rem 1.45rem 1.45rem;
  background: var(--paper-deep);
  border: 1px solid var(--line);
  border-radius: 4px 18px 6px 14px / 12px 5px 16px 8px;
  transition: transform 0.5s var(--ease-serene), box-shadow 0.5s var(--ease-serene);
}
.tip-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(28, 27, 24, 0.06);
}
.tip-seal {
  position: absolute;
  top: 1rem;
  right: 1rem;
  display: grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  border: 1.5px solid var(--vermilion);
  border-radius: 10% 16% 12% 14%;
  color: var(--vermilion);
  font-family: var(--calligraphy);
  font-size: 0.85rem;
  transform: rotate(-4deg);
}
.tip-title {
  font-family: var(--calligraphy);
  font-size: 1.35rem;
  letter-spacing: 0.15em;
  margin-bottom: 0.7rem;
}
.tip-body {
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.85;
}

/* ---------- Author ---------- */
.author-section {
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
}
.author-card {
  max-width: 32rem;
  margin: 0 auto;
  padding: 2.4rem 1.6rem;
  text-align: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.author-name-row {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}
.author-name {
  font-family: var(--latin);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 600;
  letter-spacing: 0.18em;
  font-style: italic;
}
.author-stamp {
  width: 3.4rem;
  height: auto;
  transform: rotate(12deg) scale(0.35);
  opacity: 0;
  filter: drop-shadow(1px 2px 3px rgba(176, 58, 46, 0.3));
  transition: transform 0.7s var(--ease-serene), opacity 0.5s ease;
}
.author-stamp.stamped {
  transform: rotate(-8deg) scale(1);
  opacity: 1;
}
.author-bio {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin-bottom: 1.9rem;
  text-align: left;
  text-indent: 2em;
}
.letter-style {
  text-align: right;
  padding-top: 1rem;
  border-top: 1px dashed var(--line);
}
.letter-label {
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}
.letter-email {
  display: inline-block;
  font-family: var(--latin);
  font-size: 1.15rem;
  font-style: italic;
  letter-spacing: 0.04em;
  color: var(--ink);
  border-bottom: 1px solid rgba(176, 58, 46, 0.4);
  margin-bottom: 1rem;
}
.letter-email:hover { color: var(--vermilion); }
.letter-socials {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.82rem;
  color: var(--ink-soft);
}
.letter-socials li { margin-top: 0.25rem; }

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 960px;
  margin: 0 auto;
  padding: 2.4rem clamp(1.15rem, 4vw, 2.5rem) 3rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}
.back-to-top {
  font-family: var(--calligraphy);
  font-size: 1rem;
  letter-spacing: 0.12em;
  color: var(--vermilion-dark);
}
.back-to-top:hover { color: var(--vermilion); }

/* ---------- Reduced motion: still show images ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .hero-sunset-glow,
  .crane,
  .scroll-dot,
  .ver-badge {
    animation: none !important;
  }

  .crane-2, .crane-3 { display: none; }
  .crane-1 {
    top: 28%;
    left: auto;
    right: 8%;
    opacity: 0.85;
    transform: none;
  }

  .ink-reveal {
    animation: none;
    opacity: 1;
    filter: none;
    transform: none;
  }

  .digit { transition: opacity 0.2s ease; }
  .unit.dissolving .digit-curr,
  .unit.dissolving .digit-next { filter: none; }

  .author-stamp { transition: none; }
  .author-stamp.stamped {
    transform: rotate(-8deg) scale(1);
    opacity: 1;
  }
  .tip-card:hover { transform: none; }
}

/* ===== Mobile layout (phone-first fixes) ===== */
@media (max-width: 720px) {
  .site-header {
    flex-wrap: wrap;
    gap: 0.65rem 1rem;
    padding: calc(0.85rem + env(safe-area-inset-top, 0px)) 1rem 0.75rem;
  }
  .brand-text {
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    max-width: 9.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 0;
    padding: 0.15rem 0.1rem 0;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
  }

  .hero {
    min-height: 100svh;
    padding: 4.75rem 0.85rem calc(2.4rem + env(safe-area-inset-bottom, 0px));
    align-items: flex-end;
  }
  .hero-bg {
    background-position: 62% center; /* keep sun/mountains in frame */
  }
  .hero-veil { height: 58%; }
  .hero-sunset-glow {
    top: 4%;
    right: -6%;
    width: 70vw;
    height: 42vw;
  }
  .hero-content {
    width: 100%;
    max-width: none;
    padding: 1.1rem 0.65rem 0.5rem;
  }
  .hero-kicker {
    letter-spacing: 0.16em;
    font-size: 0.7rem;
    margin-bottom: 0.7rem;
  }
  .hero-title {
    margin-bottom: 0.7rem;
  }
  .title-main {
    font-size: clamp(1.65rem, 8.2vw, 2.35rem);
    letter-spacing: 0.02em;
    line-height: 1.25;
  }
  .title-series {
    font-size: clamp(1.2rem, 5.8vw, 1.6rem);
    letter-spacing: 0.04em;
    line-height: 1.45;
  }
  .ver-inline {
    font-size: 0.95em;
    padding: 0 0.14em;
  }
  .hero-subtitle {
    letter-spacing: 0.18em;
    font-size: clamp(1.05rem, 4.5vw, 1.25rem);
    margin-bottom: 0.55rem;
  }
   .hero-meta-tz {
  display: inline-block;
  margin-top: 0.2rem;
  font-size: 0.9em;
  opacity: 0.85;
}
.hero-meta {
    font-size: 0.72rem;
    letter-spacing: 0.02em;
    line-height: 1.55;
    margin-bottom: 1.35rem;
    padding: 0 0.25rem;
  }

  .section-inner {
    padding: 2.75rem 1rem;
  }
  .section-head { margin-bottom: 1.6rem; }
  .section-head h2 {
    letter-spacing: 0.06em;
    font-size: clamp(1.55rem, 7vw, 2rem);
  }

  .countdown-frame {
    padding: 2.6rem 0.75rem 1.6rem;
    border-radius: 16px 28px 18px 24px / 24px 16px 28px 18px;
  }
  .countdown-seal {
    top: -1.1rem;
    right: 6%;
    width: 3rem;
  }
  .countdown-units {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem 0.5rem;
    align-items: stretch;
  }
  .unit-sep { display: none; }
  .unit {
    min-width: 0;
    width: 100%;
  }
  .digit-wrap {
    width: 100%;
    min-width: 0;
    height: 3.1rem;
  }
  .digit {
    font-size: clamp(2rem, 11vw, 2.75rem);
    line-height: 3.1rem;
  }
  .unit-label {
    letter-spacing: 0.16em;
    font-size: 0.72rem;
  }

  .tip-card { padding: 1.35rem 1.1rem 1.2rem; }
  .tip-title { letter-spacing: 0.08em; font-size: 1.2rem; }
  .tip-body { font-size: 0.88rem; word-break: break-word; }

  .author-card { padding: 1.6rem 1rem; }
  .author-name-row {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.65rem;
  }
  .author-name {
    letter-spacing: 0.1em;
    font-size: clamp(1.7rem, 8vw, 2.2rem);
  }
  .author-stamp { width: 2.8rem; }
  .author-bio {
    text-indent: 1.5em;
    font-size: 0.88rem;
    word-break: break-word;
  }
  .letter-email {
    font-size: 1rem;
    word-break: break-all;
  }

  .site-footer {
    flex-direction: column;
    text-align: center;
    padding: 1.8rem 1rem calc(2.2rem + env(safe-area-inset-bottom, 0px));
    gap: 0.75rem;
  }
  .footer-copy {
    line-height: 1.55;
    max-width: 18rem;
  }
}

@media (max-width: 380px) {
  .brand-text { max-width: 7.5rem; }
  .title-main { font-size: 1.55rem; }
  .digit { font-size: 1.85rem; }
  .digit-wrap { height: 2.75rem; }
  .digit { line-height: 2.75rem; }
}