:root {
  --color-primary: #961e37;
  --color-black: #000;
  --blue: #115fb3;
  --pink: #ee5463;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Zen Maru Gothic", sans-serif;
  word-break: break-all;
  font-weight: 500;
  line-height: 1.6;
  color: #333;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
p,
ul,
li,
dl,
dt,
dd {
  margin: 0;
  padding: 0;
  list-style: none;
}

* {
  box-sizing: border-box;
}

img {
  display: block;
  max-width: 100%;
  width: 100%;
  height: auto;
  vertical-align: bottom;
}

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

.inline {
  display: inline-block;
}

.rocknroll {
  font-family: "RocknRoll One", sans-serif;
  font-weight: 400;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
  will-change: opacity, transform;
}

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

@keyframes cloud-sway {
  0% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(15px);
  }
  100% {
    transform: translateX(0);
  }
}

@keyframes bird-sway {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(5px);
  }
  100% {
    transform: translateY(0);
  }
}

@keyframes stamp-show-odd {
  0%,
  49.999% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

@keyframes stamp-show-even {
  0%,
  49.999% {
    opacity: 0;
  }
  50%,
  100% {
    opacity: 1;
  }
}

@keyframes scaleup {
  0% {
    transform: scale(1.2);
  }
  5% {
    transform: scale(1);
  }
  95% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.2);
  }
}

.back-blue {
  background: url("../images/blue-back.jpg");
  background-size: cover;
  overflow: hidden;
}

.hero {
  max-width: 1280px;
  margin: 0 auto;
  padding: 5vw;
}

.fv {
  position: relative;
  max-width: 980px;
  margin: 0 auto 20px;
}

.logo {
  position: absolute;
  top: 1vw;
  left: 1vw;
  display: block;
  height: auto;
  fill: var(--color-primary);
}

.illusts-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.illusts-wrap img {
  position: absolute;
}

.cloud {
  animation: cloud-sway 4s ease-in-out infinite;
  will-change: transform;
}

.cloud-1 {
  width: 10%;
  top: 15%;
  left: 10%;
  animation-direction: reverse;
}
.cloud-2 {
  width: 40%;
  bottom: 10%;
  left: -20%;
}
.cloud-3 {
  width: 30%;
  top: -10%;
  right: -30%;
  animation-direction: reverse;
}
.cloud-4 {
  width: 30%;
  bottom: 20%;
  right: -10%;
}
.airplane {
  width: 20%;
  top: 0;
  right: 5%;
}
.bird-1 {
  width: 5%;
  top: 30%;
  left: 5%;
  animation: bird-sway 3s ease-in-out infinite;
}
.bird-2 {
  width: 5%;
  top: 35%;
  left: 10%;
  animation: bird-sway 3s ease-in-out infinite 1s;
}

.hero-label {
  position: relative;
  display: block;
  width: 40%;
  margin: 0 auto 20px;
}

.hero-title {
  position: relative;
  display: block;
  width: 80%;
  margin: -1% auto 1%;
}

.hero-title .main {
  width: 100%;
  display: block;
}

.hero-title .letter {
  position: absolute;
  display: block;
  top: 0;
  right: 0;
  width: 22%;
  rotate: 20deg;
}

.campaign {
  position: relative;
  display: block;
  width: 50%;
  margin: 0 auto;
}

.campaign .limit {
  position: absolute;
  display: block;
  top: -20%;
  right: -10%;
  z-index: 1;
  width: 25%;
}

.about-campaign-image {
  display: block;
  width: 100%;
}

.towel-wrap {
  position: absolute;
  width: 100%;
  height: 100%;
}

.towel-wrap img {
  position: absolute;
  /* display: block; */
  width: 30%;
}

.towel-1 {
  left: -50%;
  top: -30%;
  rotate: -15deg;
}
.towel-2 {
  left: -35%;
  top: 10%;
  rotate: 15deg;
}
.towel-3 {
  right: -35%;
  top: 10%;
  rotate: -15deg;
}
.towel-4 {
  left: -50%;
  top: 45%;
  rotate: -15deg;
}
.towel-5 {
  right: -50%;
  top: -30%;
  rotate: 15deg;
}
.towel-6 {
  right: -50%;
  top: 45%;
  rotate: 15deg;
}

.hero-announce {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
  color: rgb(0 0 0 / 60%);
}

.nav {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 10px 5vw;
}

.nav__list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.nav__link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 100%;
  padding: 14px 18px;
  border: 2px solid var(--pink);
  border-radius: 8px;
  background: #fff;
  color: var(--pink);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease;
}

.nav__link:hover {
  background: #fff4f5;
  transform: translateY(-1px);
}

.nav__link--campaign {
  font-size: 17px;
}
.nav__label {
  display: block;
  white-space: nowrap;
}

.nav__icon {
  position: absolute;
  right: 15px;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: #ee5463;
}

.nav__icon::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-top: 5px solid #fff;
  border-right: 4px solid transparent;
  border-left: 4px solid transparent;
  transform: translate(-50%, -30%);
}

.phase {
  padding: 80px 5vw;
  overflow: hidden;
}

.phase__inner {
  max-width: 1280px;
  margin: 0 auto;
}

.phase2 {
  background: url("../images/pink-back.jpg");
  background-size: cover;
}

.phase__title {
  display: block;
  width: 70%;
  max-width: 900px;
  margin: 0 auto 50px;
}

.phase__period {
  display: block;
  width: 50%;
  margin: 0 auto 50px;
}

.phase__slide-wrap {
  position: relative;
  margin-bottom: 50px;
}

.phase__swiper-shell,
.phase__grid {
  position: relative;
  z-index: 1;
}

.phase__swiper-shell {
  display: none;
  padding-bottom: 50px;
}

.phase-swiper {
  padding-bottom: 0;
}

.phase__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.phase__card {
  height: 100%;
}

.phase__step {
  display: block;
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

.phase__step img {
  position: absolute;
  display: block;
  width: 20%;
}

.phase__step .step-left {
  left: -10%;
  bottom: -10%;
}
.phase__step .step-right {
  top: -10%;
  right: -10%;
}

.phase__announce {
  font-size: 16px;
  text-align: right;
  color: rgb(0 0 0 / 50%);
}

.custom-pagination {
  position: relative;
  z-index: 10;
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.custom-pagination__dot {
  width: 10px;
  height: 10px;
  border: none;
  border-radius: 50%;
  padding: 0;
  background: #d8c5ca;
  cursor: pointer;
  transition: background 0.3s;
}

.custom-pagination__dot.is-active {
  background: var(--color-primary);
}

.phase-swiper .swiper-slide {
  height: auto;
}

.letter-wrap {
  display: block;
  margin-bottom: 10px;
}

.letter-wrap__title {
  position: relative;
  display: block;
  width: 75%;
  margin: auto auto 50px;
  translate: 5% 0;
  max-width: 900px;
}

.letters {
  position: absolute;
  display: block;
  top: 0;
  left: -20%;
  width: 25%;
}

.letters img {
  display: block;
  position: absolute;
  width: 100%;
}

.letters .blue {
  translate: 0 60%;
  rotate: -4deg;
  z-index: 1;
}

.letters .pink {
  rotate: 7deg;
}

.kumo-towel {
  display: block;
  width: 100%;
  margin-bottom: 50px;
}

.kumo {
  display: block;
  width: 80%;
  margin-left: 10%;
}

.stamps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: 70%;
  max-width: 1180px;
  margin: 0 auto 30px;
}

.stamp-frame {
  position: relative;
}

.stamp-frame::before {
  content: "";
  display: block;
  padding-top: 100%;
}

.stamp {
  position: absolute;
  inset: 0;
  transform-origin: center center;
}

.stamp--odd {
  rotate: 5deg;
  animation: stamp-show-odd 1s steps(1, end) infinite;
}

.stamp--even {
  rotate: -5deg;
  animation: stamp-show-even 1s steps(1, end) infinite;
}

.stamp-frame:nth-child(even) .stamp--odd {
  rotate: -5deg;
}

.stamp-frame:nth-child(even) .stamp--even {
  rotate: 5deg;
}

.about {
  width: 100%;
  padding: 100px 5vw;
  color: #111;
  background: url("../images/cream-back.jpg");
  background-size: cover;
}

.about__inner {
  display: grid;
  gap: 40px;
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 0 100px 80px;
  border-radius: 12px;
  background: #fff;
}

.about__title {
  width: 80%;
  margin: -6% auto 0;
}

.about__campaign {
  position: relative;
}

.about__campaign img {
  border-radius: 10px;
}

.about__campaign .limit {
  position: absolute;
  top: -20%;
  right: -5%;
  width: 20%;
}

.about__heading {
  padding: 11px 16px;
  border-radius: 6px;
  background: #f6ead2;
  font-size: 2rem;
  font-weight: 900;
  line-height: 1.2;
  text-align: center;
  letter-spacing: 0.08em;
}

.about__lead-date {
  margin-top: 26px;
  font-size: 32px;
  font-weight: 900;
  line-height: 1.35;
  text-align: center;
}

.about__cards {
  display: grid;
  gap: 22px;
  margin-top: 28px;
}

.about__period {
  padding: 18px 20px 16px;
  text-align: center;
}

.about__period--blue {
  background: #e7f1fb;
}
.about__period--pink {
  background: #fdf0f2;
}

.about__period-label {
  margin-bottom: 14px;
  font-size: 20px;
  font-weight: 900;
  line-height: 1.45;
}

.about__period--blue .about__period-label {
  color: var(--blue);
}
.about__period--pink .about__period-label {
  color: var(--pink);
}

.about__period-date {
  font-size: 28px;
  font-weight: 900;
  line-height: 1.4;
}

.about__receipt-text {
  margin-top: 30px;
  font-size: 28px;
  font-weight: 700;
  text-align: center;
}

.about__note {
  margin-top: 16px;
  color: #737373;
  font-size: 16px;
  font-weight: 500;
}

.about__note--compact {
  margin-top: 20px;
  color: var(--color-black);
  font-size: 20px;
  font-weight: 600;
}

.about__prizes {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.about__prize {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px;
  font-size: 28px;
  font-weight: 900;
}

.about__prize-phase {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.about__prize-phase--blue {
  color: var(--blue);
}
.about__prize-phase--pink {
  color: var(--pink);
}

.about__prize-dot {
  display: inline-block;
  width: 22px;
  aspect-ratio: 1;
  border-radius: 999px;
  background: currentColor;
}

.about__specs {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.about__spec {
  display: flex;
  flex-wrap: wrap;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
}

.about__spec dt,
.about__spec dd {
  margin: 0;
}

.about__shop-name {
  margin-top: 22px;
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1.5;
  text-align: center;
}

.about__section--notice {
  margin-top: 38px;
}

.about__notice-heading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  font-size: 28px;
  font-weight: 900;
}

.about__notice-line {
  flex: 1;
  height: 1.5px;
  background: #122;
  opacity: 0.7;
}

.about__notice-list {
  display: grid;
  margin-top: 18px;
}

.about__notice-item {
  position: relative;
  padding-left: 1.2em;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.75;
}

.about__notice-item::before {
  content: "※";
  position: absolute;
  top: 0;
  left: 0;
}

.storelink {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: fit-content;
  margin: 100px auto 0;
  padding: 24px 70px;
  border-radius: 700px;
  background: var(--color-primary);
  color: #fff;
  font-size: 24px;
  line-height: 1;
  animation: scaleup 1.5s infinite;
  transition: background 0.3s;
}

.storelink:hover {
  background: var(--pink);
}

.storelink img {
  width: 20px;
  height: auto;
  margin-top: 2px;
}

.fix-button {
  position: fixed;
  right: 30px;
  bottom: 30px;
  z-index: 100;
  display: block;
  width: 20%;
  max-width: 130px;
  filter: drop-shadow(0 0 4px rgb(0 0 0 / 50%));
}

.site-footer {
  position: relative;
  z-index: 1;
  padding: 40px 0;
  background: #961e37;
  color: #fff;
  text-align: center;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
}

.page-to-top {
  position: absolute;
  top: 0;
  right: 100px;
  display: block;
  width: 30%;
  max-width: 120px;
  translate: 0 -50%;
}

.site-footer__inner {
  width: min(100%, 1280px);
  margin: 0 auto;
  padding: 0 5vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 60px;
}

.site-footer__info,
.site-footer__info-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.site-footer__tel {
  width: 100%;
}

.site-footer__note,
.site-footer__copy {
  font-size: 0.75rem;
}

.site-footer__copy {
  margin-top: 15px;
}

.site-footer__logo {
  display: block;
  width: clamp(140px, 20vw, 220px);
}

@media (max-width: 900px) {
  .nav__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .nav__link {
    padding: 10px 14px;
    font-size: 1rem;
    gap: 10px;
  }

  .nav__label {
    white-space: normal;
  }

  .nav__icon {
    right: 10px;
  }
}

@media (max-width: 768px) {
  .hero {
    /* padding: 5vw 0; */
  }

  .fv {
    margin-bottom: 10px;
  }

  .logo {
    position: relative;
    top: auto;
    left: auto;
    width: 40%;
    margin: 0 auto 20px;
  }

  .cloud-1 {
    width: 30%;
    top: 15%;
    left: -10%;
  }
  .cloud-2 {
    width: 40%;
    bottom: -10%;
    left: -15%;
  }
  .cloud-3 {
    width: 30%;
    top: -5%;
    right: -10%;
  }
  .cloud-4 {
    width: 40%;
    bottom: 30%;
    right: -10%;
  }
  .hero-label {
    width: 90%;
    margin-bottom: 10px;
  }
  .hero-title {
    width: 100%;
    margin-bottom: 10px;
  }

  .towel-wrap {
    position: relative;
    height: auto;
    margin-top: -2%;
    aspect-ratio: 2.2 / 1;
  }

  .towel-wrap img {
    width: 35%;
  }
  .towel-1 {
    left: -5%;
    top: -10%;
    z-index: 1;
  }
  .towel-3 {
    left: 20%;
    top: 20%;
    rotate: 10deg;
    z-index: 0;
    right: auto;
  }
  .towel-5 {
    right: 20%;
    top: 0;
    rotate: -15deg;
    z-index: 1;
  }
  .towel-6 {
    right: -7.5%;
    top: -20%;
    rotate: 5deg;
    z-index: 1;
  }
  .towel-2,
  .towel-4 {
    display: none;
  }

  .campaign {
    width: 90%;
  }
  .campaign .limit {
    width: 30%;
    top: 25%;
    right: -5%;
  }
  .hero-announce {
    width: 90%;
    font-size: 10px;
  }

  .phase {
    padding: 50px 0;
  }

  .phase__title,
  .phase__period {
    width: 90%;
    margin-bottom: 30px;
  }

  .phase__slide-wrap {
    margin-bottom: 30px;
  }

  .phase__swiper-shell {
    display: block;
  }

  .phase__grid {
    display: none;
  }

  .phase__step img {
    width: 30%;
  }

  .phase__step .step-left {
    left: -20%;
    bottom: 0;
  }
  .phase__step .step-right {
    top: 0;
  }
  .phase__announce {
    font-size: 12px;
    text-align: center;
  }

  .letter-wrap__title {
    width: 80%;
  }
  .letters {
    width: 20%;
    left: -15%;
  }
  .kumo-towel {
    margin-bottom: 20px;
  }
  .kumo {
    width: 95%;
    margin-left: 5%;
  }
  .stamps {
    margin-bottom: 20px;
  }

  .about {
    padding: 70px 5vw;
  }

  .about__inner {
    gap: 30px;
    padding: 0 5vw 6vw;
  }

  .about__title {
    width: 100%;
  }

  .about__heading {
    font-size: 20px;
  }
  .about__lead-date {
    margin-top: 20px;
    font-size: 17px;
  }
  .about__cards {
    gap: 10px;
    margin-top: 20px;
  }
  .about__period {
    padding: 12px;
  }
  .about__period-label {
    margin-bottom: 4px;
    font-size: 12px;
  }
  .about__period-date {
    font-size: 16px;
  }
  .about__receipt-text {
    margin-top: 20px;
    font-size: 16px;
  }
  .about__note {
    margin-top: 12px;
    font-size: 12px;
  }
  .about__note--compact {
    margin-top: 10px;
    font-size: 14px;
    line-height: 1.75;
  }
  .about__prize {
    gap: 2px;
    font-size: 18px;
  }
  .about__prize-phase {
    gap: 2px;
  }
  .about__prize-dot {
    width: 18px;
  }
  .about__spec {
    font-size: 14px;
  }
  .about__shop-name {
    margin-top: 18px;
    font-size: 18px;
  }
  .about__section--notice {
    margin-top: 10px;
  }
  .about__notice-heading {
    gap: 18px;
    font-size: 20px;
  }
  .about__notice-list {
    margin-top: 12px;
    padding: 0 5vw;
  }
  .about__notice-item {
    font-size: 12px;
  }
  .storelink {
    margin-top: 70px;
    padding: 18px 40px;
    font-size: 18px;
  }

  .fix-button {
    right: 20px;
    bottom: 20px;
    width: 28%;
  }
  .page-to-top {
    right: 20px;
    width: 18%;
  }
}

@media (max-width: 480px) {
  .nav__link--campaign {
    font-size: 85%;
  }
}

@media (max-width: 400px) {
  .nav__link--campaign {
    font-size: 75%;
  }
}