:root {
  --navy: #223150;
  --coral: #ef786c;
  --coral-soft: #fff0eb;
  --mint: #6eafa0;
  --mint-soft: #e6f4ef;
  --yellow: #e0ac4b;
  --paper: #fffdf8;
  --ink: #273044;
  --muted: #6f7786;
  --line: rgba(34, 49, 80, 0.13);
  --shadow: 0 24px 70px rgba(34, 49, 80, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  font-family:
    "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo,
    system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

body {
  margin: 0;
  overflow-x: hidden;
  line-height: 1.8;
  letter-spacing: 0;
  background:
    radial-gradient(circle at 92% 18%, rgba(110, 175, 160, 0.18), transparent 20rem),
    radial-gradient(circle at 6% 38%, rgba(239, 120, 108, 0.12), transparent 18rem),
    linear-gradient(180deg, #fffdf8 0%, #f8f2e8 42%, #fffdf8 100%);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

.sample-header {
  position: fixed;
  top: 16px;
  left: 50%;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  width: min(1120px, calc(100% - 32px));
  min-height: 64px;
  padding: 10px 12px 10px 18px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.88);
  box-shadow: 0 16px 48px rgba(34, 49, 80, 0.13);
  backdrop-filter: blur(18px);
  transform: translateX(-50%);
}

.brand,
.sample-nav,
.hero-actions,
.flow-list li,
.sample-footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
  color: var(--navy);
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--mint), var(--coral));
}

.sample-nav {
  justify-content: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
}

.sample-nav a {
  padding: 8px 13px;
  border-radius: 999px;
  color: rgba(34, 49, 80, 0.78);
}

.sample-nav a:hover {
  background: var(--mint-soft);
  color: var(--navy);
}

.header-cta,
.btn,
.sample-form button {
  border: 0;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
}

.header-cta {
  padding: 10px 18px;
  color: #fff;
  background: var(--coral);
  box-shadow: 0 10px 24px rgba(239, 120, 108, 0.28);
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
}

.hero-image {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 60% 50%;
  animation: heroIn 1.1s ease both;
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(255, 253, 248, 0.94) 0%, rgba(255, 253, 248, 0.77) 36%, rgba(255, 253, 248, 0.18) 72%),
    linear-gradient(180deg, rgba(255, 253, 248, 0.58), rgba(255, 253, 248, 0.05) 52%, rgba(255, 253, 248, 0.86));
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  border-radius: 999px;
  pointer-events: none;
}

.hero::before {
  right: 7vw;
  top: 21vh;
  width: 14px;
  height: 14px;
  background: var(--yellow);
  box-shadow:
    34px 58px 0 rgba(239, 120, 108, 0.82),
    -38px 128px 0 rgba(110, 175, 160, 0.78);
  animation: dotFloat 4.8s ease-in-out infinite;
}

.hero::after {
  left: 7vw;
  bottom: 15vh;
  width: 118px;
  height: 118px;
  border: 1px solid rgba(110, 175, 160, 0.34);
  transform: rotate(12deg);
}

.hero-copy {
  width: min(560px, calc(100% - 40px));
  padding-top: clamp(132px, 24vh, 210px);
  margin-left: max(20px, calc((100vw - 1120px) / 2));
  animation: copyRise 0.82s ease 0.16s both;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--mint);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
blockquote {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  color: var(--navy);
  font-size: clamp(2.45rem, 6vw, 5.7rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.lead {
  max-width: 32rem;
  margin-bottom: 30px;
  color: #3f4a60;
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  font-weight: 700;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 22px;
}

.btn.primary {
  color: #fff;
  background: var(--navy);
  box-shadow: 0 16px 34px rgba(34, 49, 80, 0.22);
}

.btn.ghost {
  color: var(--navy);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(34, 49, 80, 0.12);
}

.hero-note {
  position: absolute;
  right: max(22px, calc((100vw - 1120px) / 2));
  bottom: 7vh;
  display: grid;
  gap: 2px;
  width: min(260px, calc(100% - 44px));
  padding: 18px 20px;
  border-radius: 8px;
  color: var(--navy);
  background: rgba(255, 253, 248, 0.88);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  animation: notePop 0.72s ease 0.58s both;
}

.hero-note span,
.hero-note small {
  color: var(--muted);
  font-weight: 700;
}

.hero-note strong {
  font-size: 1.18rem;
}

.section,
.section-band {
  padding: clamp(72px, 9vw, 118px) max(20px, calc((100vw - 1120px) / 2));
}

.section-band {
  background:
    linear-gradient(135deg, rgba(230, 244, 239, 0.82), rgba(255, 240, 235, 0.72)),
    #fffdf8;
}

.intro {
  display: grid;
  grid-template-columns: minmax(240px, 0.82fr) 1fr;
  gap: clamp(28px, 6vw, 72px);
  align-items: end;
}

h2 {
  margin-bottom: 18px;
  color: var(--navy);
  font-size: clamp(1.8rem, 3.8vw, 3.2rem);
  line-height: 1.25;
  letter-spacing: 0;
}

.intro p:last-child,
.scene-panel p,
.contact-inner > p {
  color: var(--muted);
  font-weight: 700;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 32px;
}

.gift-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.gift-card,
.reason-layout article {
  position: relative;
  min-height: 280px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 16px 44px rgba(34, 49, 80, 0.08);
}

.gift-card {
  overflow: hidden;
}

.gift-card::after {
  content: "";
  position: absolute;
  right: -42px;
  bottom: -48px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: var(--coral-soft);
}

.gift-card.accent-mint::after {
  background: var(--mint-soft);
}

.gift-card.accent-blue::after {
  background: #edf3ff;
}

.gift-number {
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 900;
}

.gift-card h3,
.reason-layout h3,
.flow-list h3 {
  margin: 10px 0 12px;
  color: var(--navy);
  font-size: 1.28rem;
  line-height: 1.35;
}

.gift-card p,
.reason-layout p,
.flow-list p {
  color: var(--muted);
  font-weight: 700;
}

.gift-card strong {
  position: relative;
  z-index: 1;
  color: var(--navy);
  font-size: 1.2rem;
}

.scene {
  padding-top: 0;
}

.scene-panel {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 420px);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  padding: clamp(34px, 6vw, 64px);
  border-radius: 8px;
  color: var(--navy);
  background:
    linear-gradient(135deg, rgba(34, 49, 80, 0.92), rgba(54, 91, 114, 0.88)),
    var(--navy);
}

.scene-panel h2,
.scene-panel p,
.scene-panel .section-kicker {
  color: #fff;
}

.scene-panel p {
  opacity: 0.82;
}

.scene-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.scene-list li {
  padding: 14px 18px;
  border-radius: 999px;
  color: #fff;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.reason-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.reason-layout article span {
  display: block;
  width: 48px;
  height: 48px;
  border-radius: 18px 18px 18px 4px;
  background:
    linear-gradient(135deg, var(--mint), var(--yellow));
  transform: rotate(-8deg);
}

.reason-layout article:nth-child(2) span {
  background: linear-gradient(135deg, var(--coral), #f0b567);
  transform: rotate(6deg);
}

.reason-layout article:nth-child(3) span {
  background: linear-gradient(135deg, #6c88c7, var(--mint));
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: flow;
}

.flow-list li {
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.68);
}

.flow-list span {
  display: grid;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  font-weight: 900;
  background: var(--coral);
}

.voice {
  padding-top: 0;
}

.voice-copy {
  max-width: 880px;
  padding-left: clamp(18px, 4vw, 48px);
  border-left: 6px solid var(--mint);
}

blockquote {
  margin-bottom: 14px;
  color: var(--navy);
  font-size: clamp(1.45rem, 3.3vw, 2.7rem);
  font-weight: 900;
  line-height: 1.45;
}

.voice-copy p:last-child {
  color: var(--muted);
  font-weight: 800;
}

.contact {
  padding-top: 0;
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(220px, 0.78fr) 1fr;
  gap: clamp(28px, 5vw, 72px);
  padding: clamp(32px, 6vw, 64px);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 240, 235, 0.9), rgba(230, 244, 239, 0.92));
}

.sample-form {
  display: grid;
  gap: 14px;
}

.sample-form label {
  display: grid;
  gap: 7px;
  color: var(--navy);
  font-weight: 800;
}

.sample-form input,
.sample-form textarea {
  width: 100%;
  border: 1px solid rgba(34, 49, 80, 0.13);
  border-radius: 8px;
  padding: 14px 16px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.82);
  outline: none;
}

.sample-form input:focus,
.sample-form textarea:focus {
  border-color: var(--mint);
  box-shadow: 0 0 0 4px rgba(110, 175, 160, 0.16);
}

.sample-form button {
  min-height: 54px;
  margin-top: 4px;
  color: #fff;
  background: var(--coral);
  box-shadow: 0 14px 28px rgba(239, 120, 108, 0.24);
}

.sample-footer {
  justify-content: space-between;
  gap: 16px;
  padding: 26px max(20px, calc((100vw - 1120px) / 2));
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
  border-top: 1px solid var(--line);
}

.sample-footer a {
  color: var(--navy);
}

@keyframes heroIn {
  from {
    transform: scale(1.04);
    filter: saturate(0.82);
  }
  to {
    transform: scale(1);
    filter: saturate(1);
  }
}

@keyframes copyRise {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes notePop {
  from {
    opacity: 0;
    transform: translateY(16px) rotate(1.5deg) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotate(-1deg) scale(1);
  }
}

@keyframes dotFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@media (max-width: 860px) {
  .sample-header {
    grid-template-columns: 1fr auto;
    border-radius: 24px;
  }

  .sample-nav {
    display: none;
  }

  .hero-copy {
    padding-top: 128px;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(255, 253, 248, 0.96) 0%, rgba(255, 253, 248, 0.78) 45%, rgba(255, 253, 248, 0.42) 100%);
  }

  .intro,
  .scene-panel,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  .gift-grid,
  .reason-layout,
  .flow-list {
    grid-template-columns: 1fr;
  }

  .hero-note {
    position: relative;
    right: auto;
    bottom: auto;
    margin: 42px 20px 0;
  }
}

@media (max-width: 560px) {
  .sample-header {
    top: 10px;
    width: calc(100% - 20px);
    padding: 9px 10px 9px 12px;
  }

  .brand span:last-child {
    font-size: 0.92rem;
  }

  .header-cta {
    padding: 9px 13px;
    font-size: 0.88rem;
  }

  .hero {
    min-height: 760px;
  }

  .hero-image {
    object-position: 68% 50%;
  }

  .hero-copy {
    width: calc(100% - 34px);
    margin-left: 17px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .section,
  .section-band {
    padding-right: 17px;
    padding-left: 17px;
  }

  .gift-card,
  .reason-layout article,
  .scene-panel,
  .contact-inner {
    padding: 24px;
  }

  .sample-footer {
    align-items: flex-start;
    flex-direction: column;
    padding-right: 17px;
    padding-left: 17px;
  }
}