@charset "utf-8";

.pc-br {
  display: inline;
}

.res-br {
  display: none;
}

.section-frame {
  position: absolute;
  inset: 0px;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: fill;
  pointer-events: none;
}

:root {
  --page-header-height: clamp(60px, 7.5vw, 96px);
  --section-description-size: clamp(14px, 1.5vw, 20px);
}

.hero {
  margin-top: var(--page-header-height);
  border-radius: var(--hero-radius);
  clip-path: inset(0 round var(--hero-radius));
}

.hero-images {
  border-radius: inherit;
  clip-path: inset(0 round var(--hero-radius));
}

.hero-images>.hero-image,
.hero-image-file {
  border-radius: inherit;
}

.greeting,
.greeting-picture {
  overflow: hidden;
}

.greeting-image {
  object-fit: cover;
  object-position: center center;
  scale: 1.06;
  transform-origin: center center;
}

.greeting h4,
.greet,
.greet-content,
.profile-button {
  z-index: 2;
}

.greeting .greet-content {
  font-size: clamp(12px, 2.3vw, 14px);
}

.suiso {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0px, 1fr) minmax(0px, 1.3fr) minmax(0px, 1fr);
  gap: clamp(25.2px, 2.3333vw, 28px) clamp(21.6px, 2vw, 24px);
  padding: clamp(43.2px, 4vw, 48px) 6% clamp(36px, 3.3333vw, 40px);
  overflow: hidden;
  isolation: isolate;
}

.suiso-image {
  position: absolute;
  inset: 0px;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  scale: 1.06;
  transform-origin: center center;
}

.suiso-content,
.suiso1,
.suiso2,
.suiso-button {
  z-index: 2;
}

.suiso-content {
  position: relative;
  grid-area: 1 / 1 / auto / -1;
  width: 100%;
  min-width: 0px;
}

.suiso h3 {
  margin: 0px 0px clamp(14.4px, 1.3333vw, 16px);
  font-size: clamp(28px, 2.9vw, 36px);
  line-height: 1.5;
}

.suiso-content>p:not(.suiso-p) {
  margin: 0px;
  font-size: clamp(22px, 2.2vw, 28px);
  line-height: 1.7;
}

.suiso .suiso-content p.suiso-p {
  width: 100%;
  margin: clamp(40px, 5vw, 62px) auto 0px;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.9;
  white-space: normal;
}

.suiso1,
.suiso2 {
  position: relative;
  grid-row: 2;
  width: 100%;
  max-width: 170px;
  height: auto;
  place-self: center;
}

.suiso1 {
  grid-column: 1;
}

.suiso2 {
  grid-column: 3;
}

.suiso-button {
  position: relative;
  left: 50%;
  grid-area: 2 / 2;
  place-self: center start;
  width: min(100%, 260px);
  margin: 0px;
  transform: translateX(-50%);
}

.suiso-button img {
  display: block;
  width: 100%;
  height: auto;
}

.suiso-title-break {
  display: none;
}

.event,
.latest,
.notice-item {
  min-width: 0px;
}

.notice-title,
.notice-body {
  overflow-wrap: anywhere;
}

.notice-body img,
.notice-body video {
  max-width: 100%;
  height: auto;
}

.notice-body iframe {
  max-width: 100%;
}

.notice-body table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
}

.notice-body pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.notice-date-line {
  flex-wrap: wrap;
}

.book,
.book-background-picture {
  overflow: hidden;
}

.book-background {
  object-fit: cover;
  object-position: center center;
  scale: 1.06;
  transform-origin: center center;
}

.book h4,
.book-list {
  position: relative;
  z-index: 2;
}

.book-image-2 {
  scale: 0.85;
  transform-origin: center top;
}

.book-content p.book-description-pc {
  display: block;
}

.book-content p.book-description-mobile {
  display: none;
}

@media (max-width: 1200px) {
  .suiso {
    display: block;
    padding: 0px;
  }

  .suiso-image {
    position: relative;
    inset: auto;
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    scale: 1;
  }

  .suiso-content {
    position: absolute;
    top: 8%;
    left: 50%;
    width: 90%;
    margin: 0px;
    transform: translateX(-50%);
    text-align: center;
  }

  .suiso h3 {
    font-size: clamp(27px, 6vw, 34px);
    text-wrap: balance;
  }

  .suiso-content>p:not(.suiso-p) {
    font-size: clamp(20px, 4.8vw, 26px);
  }

  .suiso .suiso-content p.suiso-p {
    margin-top: clamp(40px, 6vw, 72px);
  }

  .suiso1,
  .suiso2 {
    position: absolute;
    bottom: 8%;
    width: clamp(120px, 16vw, 190px);
    max-width: none;
    height: auto;
  }

  .suiso1 {
    left: 6%;
  }

  .suiso2 {
    right: 6%;
  }

  .suiso-button {
    position: absolute;
    top: auto;
    bottom: 10%;
    left: 50%;
    width: clamp(160px, 20vw, 240px);
    margin: 0px;
    transform: translateX(-50%);
  }

  .first-greet .message::before {
    background: rgba(0, 0, 0, 0.38);
  }

  .first-greet .message .message-1 {
    margin-top: 0px;
  }

  .first-greet .message .message-2,
  .first-greet .message .message-3,
  .first-greet .message .message-4 {
    margin-top: 1.5em;
  }

  .first-greet {
    width: 100%;
    padding-top: clamp(20px, 4vw, 48px);
    margin-bottom: 32px;
  }

  .first-greet .first-greet-image {
    width: clamp(85px, 16vw, 200px);
  }

  .first-greet .title-1,
  .first-greet .title-2 {
    font-size: clamp(16px, 3.1vw, 38px);
    margin: 8px auto;
  }

  .first-greet .title-4 {
    font-size: clamp(16px, 3.1vw, 38px);
    margin: 8px auto;
  }

  .first-greet .first-profile {
    margin: 0px auto 20px;
  }

  .first-greet .name {
    font-size: clamp(12px, 2vw, 24px);
    margin: -52px auto 0px;
  }

  .first-greet .title-3 {
    font-size: clamp(22px, 4vw, 48px);
    margin: 8px auto;
  }

  .first-greet .message {
    width: 96%;
    margin-top: clamp(24px, 4vw, 48px);
    padding: clamp(24px, 5vw, 62px) 7%;
  }

  .first-greet .message-background {
    object-fit: contain;
    object-position: center center;
  }

  .first-greet .message-frame {
    width: 100%;
    height: 100%;
  }

  .first-greet .message p {
    font-size: clamp(14px, 1.8vw, 22px);
    ;
    line-height: 1.9;
    letter-spacing: 0px;
  }

}

@media (max-width: 1100px) {
  html {
    scroll-padding-top: 110px;
  }

  .koseisinrigaku .kosei-p1 {
    white-space: normal;
    width: 90%;
    line-height: 1.5;
  }

  .events {
    width: 94%;
    margin: clamp(20px, 3vw, 32px) auto;
    gap: clamp(12px, 2.2vw, 24px);
  }

  .event-contents,
  .latest-contents {
    width: 100%;
  }

  .notice-body {
    font-size: clamp(13px, 1.5vw, 15px);
  }

  .book {
    aspect-ratio: auto;
    padding: clamp(20px, 3vw, 32px) 6%;
  }

  .book-background {
    object-fit: fill;
  }

  .book h4 {
    margin: 0px 0px 32px;
  }

  .book-list {
    gap: clamp(24px, 4vw, 48px);
  }

  .book-item:first-child,
  .book-item:nth-child(2) {
    grid-template-columns: minmax(0px, 1fr) minmax(0px, 1fr);
    gap: 24px;
    margin: 0px;
  }

  .book-item:first-child .book-image {
    margin-top: 0px;
    transform: none;
  }

  .book-item:first-child .book-content,
  .book-item:nth-child(2) .book-content {
    margin: 0px;
  }

  .book-content p {
    font-size: clamp(13px, 1.5vw, 15px);
    line-height: 1.9;
  }

  .first-greet .message::before {
    background: rgba(0, 0, 0, 0.38);
  }

  .first-greet .message .message-1 {
    margin-top: -20px;
  }

  .first-greet .message .message-2,
  .first-greet .message .message-3,
  .first-greet .message .message-4 {
    margin-top: 7px;
  }

  .first-greet {
    width: 100%;
    padding-top: clamp(20px, 4vw, 48px);
    margin-bottom: 32px;
  }

  .first-greet .first-greet-image {
    width: clamp(90px, 17vw, 210px);
  }

  .first-greet .title-1,
  .first-greet .title-2 {
    font-size: clamp(18px, 3.4vw, 41px);
    margin: 8px auto;
  }

  .first-greet .title-4 {
    font-size: clamp(18px, 3.4vw, 41px);
    margin: 8px auto;
  }

  .first-greet .first-profile {
    margin: 0px auto 20px;
  }

  .first-greet .name {
    font-size: clamp(12px, 2vw, 24px);
    margin: -46px auto 0px;
  }

  .first-greet .title-3 {
    font-size: clamp(24px, 4.3vw, 52px);
    margin: 8px auto;
  }

  .first-greet .message {
    width: 96%;
    margin-top: clamp(24px, 4vw, 48px);
    padding: clamp(24px, 5vw, 62px) 7%;
  }

  .first-greet .message-background {
    object-fit: contain;
    object-position: center center;
  }

  .first-greet .message-frame {
    width: 100%;
    height: 100%;
  }

  .first-greet .message p {
    font-size: clamp(10px, 2vw, 25px);
    line-height: 1.9;
    letter-spacing: 0px;
  }

  .mirror {
    width: 100%;
    margin-bottom: clamp(20px, 5vw, 32px);
  }

  .mirror-background {
    width: 100%;
    height: auto;
  }

  .left-mirror {
    left: 8%;
  }

  .right-mirror {
    right: 8%;
  }

  .mirror-slider {
    top: 15.6%;
    width: 75.6%;
  }

  .mirror-slide {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .l-mirror-frame,
  .r-mirror-frame {
    width: 100%;
    height: auto;
  }

  .left-mirror,
  .right-mirror {
    top: 50%;
    width: 38%;
  }

  .with-pegasus {
    position: relative;
    width: 100%;
    margin-bottom: clamp(20px, 5vw, 32px);
    padding: 0px;
    overflow: hidden;
    isolation: isolate;
  }

  .pegasus-background {
    position: relative;
    display: block;
    width: 100%;
    height: auto;
    margin: 0px;
  }

  .pegasus-title-1 {
    top: 6%;
  }

  .pegasus-title-2 {
    top: 11.5%;
  }

  .pegasus-title-3 {
    top: 16.5%;
  }

  .pegasus-content-1 {
    top: 27%;
  }

  .pegasus-content-2 {
    top: 63%;
  }

  .pegasus-title-1,
  .pegasus-title-2,
  .pegasus-title-3 {
    position: absolute;
    left: 50%;
    z-index: 2;
    width: 94%;
    margin: 0px;
    font-size: clamp(27px, 4.5vw, 54px);
    line-height: 1.3;
    text-align: center;
    white-space: nowrap;
    transform: translateX(-50%);
  }

  .pegasus-content-1,
  .pegasus-content-2 {
    position: absolute;
    left: 50%;
    z-index: 2;
    width: 88%;
    margin: 0px;
    font-size: clamp(14px, 2.4vw, 28px);
    line-height: 1.75;
    letter-spacing: 0px;
    transform: translateX(-50%);
  }

  .contact .details {
    position: relative;
    margin-top: clamp(20px, 4vw, 40px);
    overflow-wrap: anywhere;
  }

  .contact .details p {
    font-size: clamp(13px, 1.8vw, 20px);
  }

  .contact-form {
    position: relative;
    display: block;
    width: 100%;
    max-width: 1240px;
    margin: 0px auto clamp(24px, 5vw, 40px);
    padding: 0px;
    text-align: center;
    overflow: hidden;
  }

  .contact-background {
    position: relative;
    inset: auto;
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    object-position: center top;
    z-index: 0;
  }

  .contact {
    --error-space: clamp(48px, 6vw, 64px);
    --error-gap: clamp(6px, 1vw, 8px);
    position: absolute;
    inset: 6% auto 2% 50%;
    width: 80%;
    margin: 0px;
    padding: clamp(12px, 2.5vw, 32px);
    transform: translateX(-50%);
    background: rgba(240, 240, 240, 0.7);
    border: clamp(2px, 0.4vw, 5px) double black;
    box-sizing: border-box;
    z-index: 1;
  }

  .contact .form-status {
    min-height: 1.5em;
    margin: clamp(10px, 1.5vw, 20px) 0px 0px;
    font-size: clamp(12px, 1.5vw, 14px);
    line-height: 1.6;
  }

  .contact .form-status:not(:empty) {
    display: inline-block;
    padding: clamp(6px, 0.8vw, 10px) clamp(10px, 1.2vw, 16px);
  }

  .contact .form-row {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: clamp(8px, 2.5vw, 28px);
    margin-top: clamp(14px, 2.5vw, 30px);
  }

  .contact .form-row .form-group {
    flex: 1 1 0px;
    width: auto;
    min-width: 0px;
    margin: 0px;
  }

  .contact .form-group {
    min-width: 0px;
  }

  .contact .field {
    position: relative;
    width: 100%;
    min-width: 0px;
    padding-bottom: var(--error-space);
    text-align: left;
    box-sizing: border-box;
  }

  .contact .field input {
    width: 100%;
  }

  .contact .label-row {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: clamp(3px, 0.5vw, 6px);
    text-align: left;
  }

  .contact label {
    font-size: clamp(13px, 2.2vw, 24px);
    line-height: 1.4;
    margin-bottom: clamp(3px, 0.6vw, 7px);
  }

  .contact .address-title {
    font-size: clamp(13px, 2.2vw, 24px);
    line-height: 1.4;
  }

  .contact .required {
    position: relative;
    top: clamp(-3px, -0.2vw, -1px);
    flex-shrink: 0;
    margin: 0px;
    padding: clamp(2px, 0.3vw, 3px) clamp(3px, 0.5vw, 4px);
    font-size: clamp(10px, 1.5vw, 16px);
    line-height: 1;
  }

  .contact input,
  .contact select,
  .contact textarea {
    box-sizing: border-box;
    width: 100%;
    min-width: 0px;
    max-width: 100%;
    padding: clamp(5px, 0.7vw, 7px) clamp(7px, 1vw, 10px);
    font-size: 16px;
    outline: none;
  }

  .contact input,
  .contact select {
    height: clamp(38px, 4vw, 48px);
  }

  .contact .full-group {
    position: relative;
    width: 100%;
    margin: clamp(12px, 2.5vw, 28px) 0px 0px;
  }

  .contact .mail,
  .contact .mail-r {
    position: relative;
    padding-bottom: var(--error-space);
  }

  .contact .mail {
    padding-top: 0px;
  }

  .contact .mail-r {
    margin-top: clamp(12px, 2vw, 24px);
  }

  .contact .tell-section {
    margin-top: clamp(12px, 2.5vw, 26px);
  }

  .contact .address-group {
    width: 70%;
    min-width: 0px;
    margin: clamp(20px, 4vw, 42px) 0px clamp(14px, 3vw, 28px);
  }

  .contact .address-title {
    display: block;
    margin-bottom: clamp(6px, 1vw, 12px);
  }

  .contact .zip-field {
    position: relative;
    width: 100%;
    padding-bottom: var(--error-space);
    margin-bottom: clamp(12px, 2.5vw, 26px);
    box-sizing: border-box;
  }

  .contact .zip-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    width: 100%;
    gap: clamp(4px, 1.2vw, 10px);
    margin-bottom: 0px;
  }

  .contact .zip-mark {
    flex-shrink: 0;
    font-size: clamp(16px, 2vw, 24px);
  }

  .contact .zip-input {
    flex: 1 1 auto;
    width: auto;
    min-width: 0px;
  }

  .contact .address-search {
    flex-shrink: 0;
    min-height: 40px;
    margin-left: 0px;
    padding: clamp(5px, 0.8vw, 7px) clamp(6px, 1.5vw, 14px);
    font-size: clamp(13px, 1.7vw, 18px);
    border-radius: clamp(6px, 1vw, 8px);
    white-space: nowrap;
  }

  .contact .address-item {
    margin: 0px 0px clamp(12px, 2.5vw, 26px);
  }

  .contact .address-item label {
    display: block;
    margin-bottom: clamp(3px, 0.6vw, 7px);
  }

  .contact .address-item input,
  .contact .address-item select {
    width: 100%;
  }

  .contact .textarea-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: var(--error-space);
    box-sizing: border-box;
  }

  .contact textarea {
    display: block;
    height: clamp(130px, 18vw, 240px);
    resize: vertical;
  }

  .contact .field .error-message,
  .contact .mail .error-message,
  .contact .mail-r .error-message {
    position: absolute;
    top: calc(100% - var(--error-space) + var(--error-gap));
    right: auto;
    bottom: auto;
    left: 0px;
    display: block;
    width: fit-content;
    max-width: 100%;
    margin: 0px;
    padding: clamp(5px, 0.8vw, 8px) clamp(8px, 1.2vw, 12px);
    color: rgb(243, 0, 129);
    background: white;
    border: 2px solid rgb(243, 0, 129);
    border-radius: clamp(5px, 0.8vw, 8px);
    font-size: clamp(10px, 1.5vw, 13px);
    font-weight: normal;
    line-height: 1.4;
    text-align: left;
    text-shadow: none;
    box-sizing: border-box;
    transform: none;
    z-index: 10;
  }

  .contact .zip-field .error-message {
    position: absolute;
    top: calc(100% - var(--error-space) + var(--error-gap));
    right: auto;
    bottom: auto;
    display: block;
    width: fit-content;
    max-width: 100%;
    padding: clamp(5px, 0.8vw, 8px) clamp(8px, 1.2vw, 12px);
    color: rgb(243, 0, 129);
    background: white;
    border: 2px solid rgb(243, 0, 129);
    border-radius: clamp(5px, 0.8vw, 8px);
    font-size: clamp(10px, 1.5vw, 13px);
    font-weight: normal;
    line-height: 1.4;
    text-align: left;
    text-shadow: none;
    box-sizing: border-box;
    transform: none;
    z-index: 10;
  }

  .contact .textarea-wrapper .error-message {
    position: absolute;
    top: calc(100% - var(--error-space) + var(--error-gap));
    right: auto;
    bottom: auto;
    left: 0px;
    display: block;
    width: fit-content;
    max-width: 100%;
    margin: 0px;
    padding: clamp(5px, 0.8vw, 8px) clamp(8px, 1.2vw, 12px);
    color: rgb(243, 0, 129);
    background: white;
    border: 2px solid rgb(243, 0, 129);
    border-radius: clamp(5px, 0.8vw, 8px);
    font-size: clamp(10px, 1.5vw, 13px);
    font-weight: normal;
    line-height: 1.4;
    text-align: left;
    text-shadow: none;
    box-sizing: border-box;
    transform: none;
    z-index: 10;
  }

  .contact .zip-field .error-message {
    left: 7%;
    margin: 0px;
  }

  .contact .error-message:empty {
    display: none;
  }

  .contact .error-message:not(:empty)::before {
    content: "";
    position: absolute;
    top: clamp(-10px, -1vw, -7px);
    left: clamp(14px, 2vw, 20px);
    border-left: clamp(7px, 1vw, 10px) solid transparent;
    border-right: clamp(7px, 1vw, 10px) solid transparent;
    border-bottom: clamp(7px, 1vw, 10px) solid rgb(243, 0, 129);
  }

  .contact .error-message:not(:empty)::after {
    content: "";
    position: absolute;
    top: clamp(-7px, -0.7vw, -5px);
    left: clamp(16px, 2.2vw, 22px);
    border-left: clamp(6px, 0.8vw, 8px) solid transparent;
    border-right: clamp(6px, 0.8vw, 8px) solid transparent;
    border-bottom: clamp(6px, 0.8vw, 8px) solid white;
  }

  .contact .decision-button {
    text-align: center;
  }

  .contact .decision {
    width: clamp(180px, 55%, 280px);
    height: clamp(40px, 5vw, 50px);
    margin-top: clamp(20px, 4vw, 42px);
    padding: 0px clamp(14px, 2.5vw, 20px);
    font-size: clamp(15px, 2vw, 20px);
    border-radius: clamp(12px, 1.5vw, 24px);
    box-sizing: border-box;
    border-radius: clamp(45px, 10vw, 70px);
  }

  .contact-title {
    display: inline-block;
    margin: clamp(20px, 4vw, 48px) 0px clamp(12px, 2vw, 24px);
    padding: 0px clamp(12px, 3vw, 30px);
    text-align: center;
    background: rgba(240, 240, 240, 0.5);
    border: clamp(2px, 0.4vw, 4px) double black;
  }

  .contact-form h2 {
    margin: clamp(4px, 0.8vw, 8px);
    color: black;
    font-size: clamp(22px, 4.5vw, 48px);
    font-weight: normal;
    line-height: 1.4;
    text-shadow: white 0.5px 0px;
  }

  .privacy-content {
    width: 92%;
    margin-left: auto;
    margin-right: auto;
  }

}

@media (width < 1100px) {
  :root {
    --page-header-height: clamp(84px, 12.25vw, 98px);
  }

  header,
  .header-inner {
    height: clamp(84px, 12.25vw, 98px);
  }

  .logo-image {
    position: relative;
    z-index: 10;
  }

  .logo-image {
    width: 100%;
    max-width: 397px;
  }

  .header-logo {
    position: relative;
    z-index: 10;
    height: auto;
  }

  .header-logo {
    width: min(70%, 360px);
  }

  .hamburger-menu {
    position: fixed;
    top: clamp(20px, 2.875vw, 23px);
    right: clamp(14px, 2.5vw, 20px);
    z-index: 11;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(6px, 0.875vw, 7px);
    width: clamp(44px, 6.5vw, 52px);
    height: clamp(44px, 6.5vw, 52px);
    padding: clamp(6px, 1vw, 8px);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: clamp(6px, 1vw, 8px);
    cursor: pointer;
  }

  .hamburger-menu.active .hamburger-line:nth-child(1) {
    transform: translateY(clamp(9px, 1.25vw, 10px)) rotate(45deg);
  }

  .hamburger-menu.active .hamburger-line:nth-child(2) {
    opacity: 0;
  }

  .hamburger-menu.active .hamburger-line:nth-child(3) {
    transform: translateY(clamp(-10px, -1.25vw, -9px)) rotate(-45deg);
  }

  .nav-menu {
    position: absolute;
    inset: 100% 4% auto;
    z-index: 3;
    display: block;
    width: auto;
    height: auto;
    min-height: 0px;
    max-height: calc(100dvh - var(--page-header-height, 98px) - 26px);
    margin: 12px 0px 0px;
    padding: 16px 20px;
    border-radius: 12px;
    background: rgba(5, 5, 12, 0.88);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: rgba(0, 0, 0, 0.45) 0px 10px 35px;
    overflow-y: auto;
    touch-action: auto;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s, visibility 0.25s;
  }

  .nav-menu.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity 0.6s, visibility;
  }

  .nav-list {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-height: 0px;
    height: auto;
    margin: 0px auto;
    padding: 0px;
    list-style: none;
    text-align: left;
  }

  .nav-list li:first-child {
    margin-top: 0px;
  }

  .nav-list span {
    position: relative;
    display: block;
    width: fit-content;
    margin: clamp(5px, 1vw, 8px) 0px 0px;
    color: inherit;
    font-size: inherit;
    text-decoration: none;
  }

  .nav-list span::after {
    content: "";
    position: absolute;
    left: 0px;
    bottom: clamp(-5px, -0.625vw, -3px);
    width: 100%;
    height: clamp(1px, 0.25vw, 2px);
    background-color: white;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.4s, background-color 0.2s;
  }

  .nav-list a:hover {
    color: white;
    background-color: transparent;
    text-shadow: none;
  }

  .nav-list a:hover span::after {
    background-color: white;
    transform: scaleX(1);
  }

  .nav-list a:active {
    color: rgb(243, 0, 129);
    background-color: transparent;
  }

  .nav-list a:active span::after {
    background-color: rgb(243, 0, 129);
    transform: scaleX(1);
  }

  .nav-list a:focus {
    color: rgb(243, 0, 129);
    background-color: transparent;
    outline: none;
  }

  .nav-list a:focus span::after {
    background-color: rgb(243, 0, 129);
    transform: scaleX(1);
  }

  .nav-list .main-text {
    margin-top: 0px;
  }

  .nav-list {
    width: 100%;
    gap: 8px;
  }

  .nav-list li {
    width: 100%;
    min-height: 0px;
    margin: 0px;
    text-align: left;
  }

  .nav-list a {
    display: inline-block;
    padding: clamp(8px, 1.5vw, 12px) 0px;
    color: white;
    font-size: clamp(18px, 3vw, 24px);
    line-height: clamp(28px, 4.5vw, 36px);
    text-decoration: none;
    transform: none;
    filter: none;
    transition: color 0.25s, background-color 0.4s;
  }

  .nav-list a {
    white-space: normal;
    min-height: 44px;
  }

  .hamburger-line {
    width: clamp(28px, 4.25vw, 34px);
    height: clamp(3px, 0.5vw, 4px);
    background: rgb(243, 0, 129);
    border-radius: clamp(1px, 0.25vw, 2px);
    transition: transform 0.5s, opacity 0.5s;
  }

  .nav-2 .span-1,
  .nav-5 .span-2 {
    margin-left: 0px;
  }

}

@media (max-width: 800px) {
  .purchase {
    margin-top: clamp(16px, 3vw, 26px);
    padding: clamp(3px, 0.8vw, 7px) clamp(8px, 2vw, 18px);
    font-size: clamp(7px, 1.8vw, 14px);
  }

  small {
    font-size: clamp(7px, 2.3vw, 10px);
  }

  .icon-image {
    margin: 0px auto clamp(6px, 1.25vw, 10px);
    gap: clamp(8px, 3vw, 14px);
  }

  .pc-br {
    display: inline;
  }

  .res-br {
    display: none;
  }

  .hero {
    --hero-radius: clamp(18px, 6vw, 48px);
    width: 100%;
    aspect-ratio: 1200 / 750;
    margin: clamp(84px, 12.25vw, 98px) 0px clamp(24px, 5vw, 40px);
  }

  .hero-images,
  .hero-images>.hero-image {
    width: 100%;
    height: 100%;
  }

  .hero-image-file {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
  }

  .hero-frame {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }

  .logo-content {
    right: 6%;
    bottom: 12%;
    width: clamp(110px, 35vw, 280px);
  }

  .suiso h3 {
    font-size: clamp(21px, 3vw, 24px);
  }

  .suiso-content>p:not(.suiso-p) {
    font-size: clamp(16px, 2.3vw, 18px);
  }

  .suiso .suiso-content p.suiso-p {
    font-size: clamp(17px, 1.7vw, 23px);
    margin-top: clamp(40px, 5vw, 62px);
  }

  .suiso1,
  .suiso2 {
    width: clamp(100px, 16vw, 150px);
  }

  .suiso-button {
    width: clamp(150px, 24vw, 210px);
  }

  .koseisinrigaku h3 {
    top: 42%;
    width: 90%;
    font-size: clamp(22px, 8vw, 40px);
    text-align: center;
  }

  .koseisinrigaku .kosei-p1 {
    bottom: 9%;
    margin: 0px;
    font-size: clamp(12px, 3vw, 20px);
    text-align: center;
  }

  .koseisinrigaku .kosei-p2 {
    bottom: 5%;
    margin: 0px;
    font-size: clamp(6px, 2.4vw, 14px);
    text-align: center;
  }

  .events {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    padding: clamp(8px, 2vw, 16px) 0px;
  }

  .event,
  .latest {
    flex: 1 1 0px;
    width: auto;
    padding: 0px;
  }

  .event h3,
  .latest h3 {
    margin-bottom: clamp(6px, 1.5vw, 12px);
    font-size: clamp(20px, 3.8vw, 32px);
  }

  .event-contents,
  .latest-contents {
    margin: 0px auto;
    padding: clamp(8px, 2vw, 16px);
  }

  .notice-date-line {
    gap: clamp(3px, 0.5vw, 4px);
  }

  .notice-date {
    font-size: clamp(10px, 2vw, 14px);
  }

  .notice-new {
    padding: clamp(1px, 0.2vw, 2px) clamp(4px, 0.65vw, 5px);
    font-size: clamp(8px, 1.6vw, 12px);
  }

  .notice-title {
    font-size: clamp(12px, 2.4vw, 18px);
    line-height: 1.4;
  }

  .notice-body {
    line-height: 1.6;
  }

  .book .book-item:first-child {
    grid-template-columns: minmax(0px, 1.7fr) minmax(0px, 1fr);
    gap: clamp(10px, 2vw, 16px);
  }

  .book .book-item:nth-child(2) {
    grid-template-columns: minmax(0px, 1fr) minmax(0px, 1.7fr);
    gap: clamp(10px, 2vw, 16px);
  }

  .book .book-item:first-child .book-content {
    grid-area: 1 / 1;
  }

  .book .book-item:first-child .book-images {
    grid-area: 1 / 2;
  }

  .book .book-item:nth-child(2) .book-images {
    grid-area: 1 / 1;
  }

  .book .book-item:nth-child(2) .book-content {
    grid-area: 1 / 2;
  }

  .book .book-content {
    min-width: 0px;
  }

  .book .book-description-pc br.pc-br {
    display: inline;
  }

  .book .book-image-2 {
    scale: 0.75;
  }

  .book-content p.book-description-pc {
    font-size: clamp(13px, 1.75vw, 14px);
  }

  .book {
    width: 96%;
    padding: clamp(12px, 3vw, 28px) clamp(10px, 3vw, 24px) clamp(18px, 4vw, 36px);
  }

  .book-background-picture {
    width: 100%;
    height: 100%;
  }

  .book-background {
    width: 100%;
    height: 100%;
    object-fit: fill;
  }

  .book h4 {
    margin: clamp(12px, 2.4vw, 20px) 0px clamp(46px, 6.8vw, 54px);
    font-size: clamp(28px, 4.8vw, 40px);
  }

  .book-list {
    display: flex;
    flex-direction: column;
    gap: clamp(18px, 5vw, 48px);
  }

  .book-item,
  .book-item:first-child,
  .book-item:nth-child(2) {
    display: grid;
    align-items: start;
    gap: clamp(10px, 3vw, 30px);
  }

  .book-item:first-child {
    grid-template-columns: minmax(0px, 1.2fr) minmax(0px, 0.8fr);
    margin-bottom: clamp(44px, 7.8vw, 76px);
  }

  .book-item:first-child .book-images {
    grid-area: 1 / 2;
  }

  .book-item:first-child .book-image {
    margin-top: clamp(16px, 7vw, 56px);
  }

  .book-item:first-child .book-content {
    grid-area: 1 / 1;
    margin-top: 0px;
  }

  .book-item:nth-child(2) {
    grid-template-columns: minmax(0px, 0.8fr) minmax(0px, 1.2fr);
    margin: 0px;
  }

  .book-item:nth-child(2) .book-images {
    grid-area: 1 / 1;
  }

  .book-item:nth-child(2) .book-content {
    grid-area: 1 / 2;
    margin-top: clamp(100px, 50vw, 120px);
  }

  .book-images {
    width: 100%;
    min-width: 0px;
  }

  .book-image,
  .book-image-2,
  .book-item:first-child .book-image {
    display: block;
    width: auto;
    max-width: 100%;
    height: clamp(135px, 39vw, 320px);
    margin: 0px;
    object-fit: contain;
  }

  .book-content {
    min-width: 0px;
  }

  .book-content h5 {
    margin: clamp(4px, 1vw, 10px) 0px clamp(14px, 2.4vw, 22px);
    font-size: clamp(18px, 3vw, 26px);
    line-height: 1.4;
  }

  .book-content p {
    margin: 0px;
    font-size: clamp(9px, 1.9vw, 13px);
    line-height: 2;
    overflow-wrap: anywhere;
  }

  .first-greet .message::before {
    background: rgba(0, 0, 0, 0.38);
  }

  .first-greet .message .message-1 {
    margin-top: clamp(-18px, -2.5vw, -10px);
  }

  .first-greet .message .message-2,
  .first-greet .message .message-3,
  .first-greet .message .message-4 {
    margin-top: clamp(4px, 1vw, 8px);
  }

  .first-greet {
    width: 100%;
    padding-top: clamp(20px, 4vw, 48px);
    margin-bottom: 32px;
  }

  .first-greet .first-greet-image {
    width: clamp(100px, 19vw, 230px);
  }

  .first-greet .title-1,
  .first-greet .title-2 {
    font-size: clamp(18px, 3.5vw, 42px);
    margin: 8px auto;
  }

  .first-greet .title-4 {
    font-size: clamp(18px, 3.5vw, 42px);
    margin: 8px auto;
  }

  .first-greet .first-profile {
    margin: 0px auto 20px;
  }

  .first-greet .name {
    font-size: clamp(14px, 2.4vw, 28px);
    margin: -40px auto 0px;
  }

  .first-greet .title-3 {
    font-size: clamp(25px, 4.5vw, 54px);
    margin: 8px auto;
  }

  .first-greet .message {
    width: 96%;
    margin-top: clamp(24px, 4vw, 48px);
    padding: clamp(24px, 5vw, 62px) 7%;
  }

  .first-greet .message-background {
    object-fit: contain;
    object-position: center center;
  }

  .first-greet .message-frame {
    width: 100%;
    height: 100%;
  }

  .first-greet .message p {
    font-size: clamp(10px, 2vw, 24px);
    line-height: 1.9;
    letter-spacing: 0px;
  }

  .first-greet .pc-message {
    display: block;
  }

  .first-greet .res-message {
    display: none;
  }

  .pegasus-title-1,
  .pegasus-title-2,
  .pegasus-title-3 {
    font-size: clamp(24px, 6vw, 48px);
  }

  .pegasus-content-1,
  .pegasus-content-2 {
    font-size: clamp(10px, 3vw, 24px);
  }

  .contact {
    width: 84%;
    padding: clamp(10px, 2.5vw, 20px);
  }

  .contact .form-row {
    gap: clamp(6px, 2vw, 16px);
    margin: clamp(12px, 2.5vw, 22px) 0px clamp(-19px, -2.2vw, -10px);
  }

  .contact .full-group {
    margin-bottom: clamp(-19px, -2.2vw, -10px);
  }

  .contact .tell-section {
    margin-top: clamp(30px, 5vw, 45px);
  }

  .contact label,
  .contact .address-title {
    font-size: clamp(12px, 2.5vw, 19px);
  }

  .contact .zip-field {
    margin-bottom: 0px;
  }

  .contact .required {
    font-size: clamp(9px, 1.8vw, 13px);
  }

  .contact input,
  .contact select,
  .contact textarea {
    font-size: 16px;
  }

  .contact input,
  .contact select {
    height: clamp(36px, 5.5vw, 44px);
  }

  .contact .address-group {
    width: 75%;
    margin-top: clamp(8px, 1.5vw, 16px);
  }

  .contact .address-search {
    min-height: 38px;
    font-size: clamp(12px, 2vw, 16px);
  }

  .contact textarea {
    height: clamp(90px, 16vw, 150px);
  }

  .contact .decision {
    width: clamp(160px, 60%, 250px);
    height: clamp(38px, 6vw, 46px);
    font-size: clamp(14px, 2.5vw, 18px);
    margin-top: clamp(12px, 2vw, 20px);
    border-radius: clamp(45px, 10vw, 70px);
  }

  .contact .field .error-message,
  .contact .mail .error-message,
  .contact .mail-r .error-message,
  .contact .zip-field .error-message,
  .contact .textarea-wrapper .error-message {
    font-size: clamp(9px, 1.7vw, 12px);
  }

  .contact-title {
    margin: clamp(14px, 3vw, 28px) 0px clamp(10px, 2vw, 18px);
  }

  .contact-form h2 {
    font-size: clamp(20px, 4.8vw, 34px);
  }

  footer {
    width: 100%;
    padding-bottom: clamp(18px, 3.5vw, 28px);
  }

  .footer-top {
    margin-top: clamp(12px, 2.5vw, 20px);
  }

  .footer-left {
    width: 38%;
  }

  .footer-left img,
  .institute-credit {
    width: clamp(75px, 20vw, 99px);
  }

  .institute-credit {
    font-size: 8px;
  }

  .footer-right {
    width: 62%;
  }

  .footer-right img {
    width: clamp(140px, 38vw, 260px);
  }

  .footer-right p {
    width: auto;
    margin: clamp(1px, 0.25vw, 2px) 0px 0px clamp(16px, 5vw, 32px);
    font-size: clamp(9px, 3.3vw, 15px);
  }

  .footer-bottom {
    margin-top: clamp(-80px, -10vw, -32px);
  }

  .copyright-content {
    top: auto;
    width: 92%;
    margin: clamp(-192px, -24vw, -77px) auto clamp(20px, 4vw, 32px);
    font-size: clamp(8px, 2.4vw, 16px);
  }

  .sns-box {
    width: clamp(24px, 7vw, 44px);
    height: clamp(24px, 7vw, 44px);
  }

  footer a {
    font-size: clamp(9px, 2.8vw, 12px);
  }

  .privacy-content {
    width: 90%;
  }

  .privacy-content h2 {
    font-size: clamp(24px, 3.8vw, 30px);
  }

  .privacy-content h3 {
    font-size: clamp(20px, 3vw, 24px);
    margin-top: clamp(32px, 5vw, 44px);
  }

  .privacy-content p {
    font-size: clamp(15px, 2vw, 17px);
    margin-top: clamp(-16px, -2vw, -10px);
  }

  .oem .oem-related-link {
    width: 100%;
    margin: 20px auto;
  }

  .oem .oem-related-link p {
    font-size: 16px;
    margin-bottom: 12px;
  }

  .oem .oem-related-link a {
    font-size: 14px;
    padding: 10px 20px;
  }

  .oem .oem-secondary .oem-copy .oem-related-link {
    margin: 24px 0 0;
    text-align: left;
  }
}

@media (min-width: 601px) {
  .greeting h4 {
    font-size: clamp(22px, 2.5vw, 36px);
  }

  .book-content p.book-description-pc {
    display: block;
  }

  .book-content p.book-description-mobile {
    display: none;
  }
}

@media (min-width: 1100px) {
  .greeting .greet-content {
    font-size: clamp(18px, 1.65vw, 21px);
  }

  .greeting .pc-greet-content {
    display: block;
  }

  .greeting .res-greet-content {
    display: none;
  }

  .greeting h4 {
    font-size: clamp(30px, 2.75vw, 36px);
  }

}

@media (max-width: 600px) {
  .particle {
    display: none;
  }

  .purchase {
    display: inline-block;
    margin: clamp(12px, 3vw, 20px) 0px clamp(32px, 33vw, 40px);
    padding: clamp(5px, 1.5vw, 8px) clamp(16px, 5vw, 26px);
    font-size: clamp(12px, 3.3vw, 17px);
  }

  .hint-detail {
    padding-left: 20px;
    padding-right: 20px;
    padding-bottom: 40px;
  }

  .hint-detail>h2 {
    font-size: clamp(20px, 5vw, 24px);
    line-height: 1.6;
    margin-bottom: clamp(18px, 5vw, 28px);
  }

  .hint-detail p {
    font-size: 16px;
    line-height: 1.9;
    overflow-wrap: anywhere;
  }

  .hint-detail a,
  .mizu a,
  .oem a,
  .ryuujin a,
  .syugoryuu a,
  .ryuukon a {
    display: inline-block;
    box-sizing: border-box;
    max-width: 100%;
    padding: clamp(8px, 2.5vw, 12px) clamp(10px, 3vw, 14px);
    margin-top: 8px;
    border: 1px solid rgb(101, 80, 107);
    border-radius: 12px;
    background: rgb(33, 22, 41);
    color: rgb(236, 215, 245);
    font-size: 15px;
    line-height: 1.7;
    overflow-wrap: anywhere;
    text-decoration: underline;
    text-underline-offset: 3px;
  }

  .oem .oem-text-pc {
    display: none;
  }

  .oem .oem-text-sp {
    display: block;
    width: 100%;
    text-align: center;
  }

  .oem .oem-intro,
  .oem .oem-intro.oem-secondary {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    width: 100%;
  }

  .oem .oem-intro .oem-main-image {
    order: 1;
    display: block;
    width: 90%;
    max-width: 400px;
    height: auto;
    margin: 0 auto;
  }

  .oem .oem-intro .oem-copy {
    order: 2;
    width: 100%;
    min-width: 0;
    text-align: center;
  }

  .oem .oem-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    width: 100%;
  }

  .oem .oem-details-left,
  .oem .oem-details-right {
    width: 100%;
    padding-top: 0;
    text-align: center;
  }

  .oem .oem-details img {
    display: block;
    width: 90%;
    max-width: 400px;
    height: auto;
    margin: 0 auto;
  }

  .oem .oem-copy h3 {
    font-size: clamp(20px, 5vw, 26px);
    line-height: 1.5;
    text-align: center;
  }

  .oem .oem-copy p {
    font-size: 16px;
    line-height: 1.9;
    text-align: center;
  }

  .oem .oem-related-link,
  .oem .oem-secondary .oem-copy .oem-related-link {
    width: 100%;
    margin: 24px auto;
    text-align: center;
  }

  .oem .oem-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .oem .oem-details-left {
    display: contents;
  }

  .oem .oem-details-left img {
    order: 1;
  }

  .oem .oem-details-right {
    display: contents;
  }

  .oem .oem-details-right img {
    order: 2;
  }

  .oem .oem-details-left .oem-related-link {
    order: 3;
    width: 100%;
    margin: 0 auto 72px;
    text-align: center;
  }

  .oem .oem-last {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }

  .oem .oem-last>.oem-main-image {
    order: -1;
    width: 90%;
    max-width: 400px;
    height: auto;
    margin: 0 auto;
  }

  .oem .oem-last>.oem-copy {
    order: 1;
    width: 100%;
    text-align: center;
  }

  .oem .oem-last .oem-related-link {
    margin: 24px auto 0;
    text-align: center;
  }

  .ryuukon-item {
    grid-template-columns: 1fr;
    gap: clamp(20px, 4vw, 28px);
    margin-bottom: clamp(40px, 7vw, 56px);
  }

  .ryuukon-text {
    grid-row: 1;
    width: 100%;
  }

  .ryuukon-item>img {
    grid-row: 2;
    width: 100%;
    max-width: 440px;
    height: auto;
    margin: 0 auto;
  }

  .hint7-description>p {
    margin-bottom: 24px;
  }

  .hint8-service {
    padding: clamp(16px, 4vw, 24px) clamp(12px, 3vw, 18px);
    border-radius: 20px;
  }

  .hint8-service h3 {
    font-size: 24px;
  }

  .hint8-service .hint8-service-url {
    margin-bottom: 24px;
  }

  .hint8-service-url a {
    width: 100%;
  }

  :root {
    --section-description-size: clamp(12px, 2.5vw, 15px);
  }

  .pc-br {
    display: none;
  }

  .res-br {
    display: inline;
  }

  .mobile-tips-heading[hidden] {
    display: block;
    font-size: 24px;
    margin: 0px 0px 24px;
    text-align: center;
  }

  .mobile-tip-label[hidden] {
    display: block;
    font-size: 14px;
    font-weight: 600;
    overflow-wrap: anywhere;
  }

  a:focus-visible,
  button:focus-visible {
    outline: rgb(255, 182, 223) solid 3px;
    outline-offset: 4px;
  }

  .mobile-tips-heading[hidden] {
    width: 100%;
    margin-bottom: 24px;
  }

  .mobile-tips-heading img {
    display: block;
    width: 100%;
    height: auto;
  }

  .hero {
    width: 100%;
    aspect-ratio: 1 / 1;
    margin: 84px 0px 40px;
  }

  .hero-images>.hero-image {
    width: 100%;
    height: 100%;
  }

  .hero-image-file {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .hero-frame {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }

  .logo-content {
    right: 6%;
    bottom: 8%;
    width: clamp(126px, 50vw, 296px);
  }

  .greeting .profile-button {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    left: 0;
    display: block;
    width: clamp(130px, 30vw, 200px);
    margin: clamp(16px, 4vw, 24px) auto 0;
    transform: none;
  }

  .suiso h3 .greeting-char,
  .suiso-content>p:not(.suiso-p) .greeting-char {
    display: inline;
  }

  .greeting .greeting-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    filter: brightness(0.65);
  }

  .greeting .section-frame {
    display: block;
    pointer-events: none;
  }

  .greeting .greet,
  .greeting .greet-content {
    position: relative;
    inset: auto;
    width: 100%;
    margin: 0px auto 24px;
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .greeting .greet {
    text-align: center;
  }

  .greeting .greet-image {
    width: clamp(90px, 22vw, 112px);
    height: auto;
  }

  .greeting .greet p {
    font-size: 18px;
    margin: 8px 0px 0px;
  }

  .greeting .greet-content br.pc-br {
    display: none;
  }

  .greeting .greet-content br.res-br {
    display: inline;
  }

  .greeting .greeting-char {
    opacity: 1;
    transform: none;
  }

  .greeting .greet .greet-image {
    position: static;
    display: block;
    width: clamp(90px, 22vw, 112px);
    height: auto;
    margin: 0px auto;
    transform: none;
  }

  .greet-content .greeting-char {
    display: inline;
  }

  .greeting .pc-greet-content {
    display: none;
  }

  .greeting .res-greet-content {
    display: block;
    font-size: 16px;
    line-height: 1.95;
    letter-spacing: 0px;
    text-align: center;
  }

  .greeting {
    position: relative;
    isolation: isolate;
    width: 96%;
    margin-inline: auto;
    padding: clamp(28px, 5vw, 56px) 0px;
  }

  .greeting-picture {
    position: absolute;
    inset: 0px;
    display: block;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
  }

  .greeting h4 {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    left: 0;
    display: block;
    width: 100%;
    margin: 0 auto 24px;
    transform: none;
    text-align: center;
    white-space: normal;
  }

  .greeting h4,
  .book h4 {
    font-size: 24px;
    text-align: center;
    letter-spacing: 0.06em;
  }

  .greet {
    position: relative;
    top: auto;
    left: auto;
    width: clamp(90px, 15vw, 140px);
    margin: clamp(16px, 4vw, 24px) auto;
    transform: none;
    text-align: center;
  }

  .greet-image {
    display: block;
    width: 100%;
    height: auto;
  }

  .greet p {
    margin: clamp(2px, 0.67vw, 4px) 0px 0px;
    font-size: 20px;
    line-height: 1.4;
  }

  .greet-content,
  .profile-button {
    position: relative;
    top: auto;
    bottom: auto;
    left: 50%;
    margin: 0px;
  }

  .greet-content {
    width: 86%;
    transform: translateX(-50%);
    line-height: 2;
    letter-spacing: clamp(0.2px, 0.2vw, 1px);
    line-break: strict;
    overflow-wrap: normal;
    word-break: auto-phrase;
  }

  .profile-button img {
    width: 100%;
    height: auto;
  }

  .suiso .suiso-image,
  .suiso .section-frame,
  .book .book-background-picture,
  .book .section-frame {
    display: none;
  }

  .suiso .suiso-content {
    position: relative;
    inset: auto;
    width: 100%;
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .suiso .suiso-content h3 {
    font-size: 24px;
    line-height: 1.5;
    margin: 0px 0px 12px;
  }

  .suiso .suiso-content>p:not(.suiso-p) {
    font-size: 16px;
    margin: 0px;
  }

  .suiso .suiso1,
  .suiso .suiso2 {
    position: relative;
    inset: auto;
    display: inline-block;
    width: 44%;
    height: auto;
    margin: -40px 5% 24px;
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .suiso .suiso1,
  .suiso .suiso2 {
    min-width: 72px;
  }

  .suiso {
    display: grid;
    grid-template-columns: repeat(2, minmax(0px, 1fr));
    gap: clamp(18px, 3.3333vw, 20px) clamp(14.4px, 2.6667vw, 16px);
  }

  .suiso,
  .book {
    box-sizing: border-box;
    width: calc(100% - 32px);
    margin: 0px auto 40px;
    padding: 28px 20px;
    height: auto;
    min-height: 0px;
    aspect-ratio: auto;
    border: 1px solid rgb(59, 42, 67);
    border-radius: clamp(16px, 4vw, 24px);
    background: linear-gradient(145deg, rgb(32, 18, 41), rgb(14, 13, 23));
    overflow: hidden;
  }

  .suiso {
    text-align: center;
  }

  .suiso-image {
    position: absolute;
    inset: 0px;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .suiso-content {
    position: relative;
    top: auto;
    left: auto;
    grid-area: 1 / 1 / auto / -1;
    width: 100%;
    transform: none;
    text-align: center;
    margin-top: 24px;
  }

  .suiso h3,
  .suiso-content>p:not(.suiso-p) {
    white-space: normal;
    line-break: strict;
    overflow-wrap: normal;
    word-break: auto-phrase;
  }

  .suiso h3 {
    font-size: clamp(24px, 5.5vw, 30px);
    text-wrap: balance;
  }

  .suiso-content>p:not(.suiso-p) {
    font-size: clamp(18px, 4.3vw, 23px);
  }

  .suiso .suiso-content p.suiso-p {
    margin-top: clamp(40px, 10vw, 64px);
    color: rgb(210, 250, 255);
    overflow-wrap: anywhere;
  }

  .suiso .suiso-content p.suiso-p {
    width: 100%;
    margin: 40px 0px;
    font-size: 16px;
    line-height: 1.9;
    white-space: normal;
    text-align: center;
    text-shadow: none;
  }

  .suiso1,
  .suiso2 {
    position: relative;
    bottom: auto;
    width: 72%;
    max-width: 125px;
    top: auto;
    margin-top: -54px;
    align-self: start;
  }

  .suiso1 {
    left: auto;
    grid-area: 2 / 1;
    justify-self: start;
  }

  .suiso2 {
    right: auto;
    grid-area: 2 / 2;
    justify-self: end;
  }

  .suiso-button {
    position: relative;
    inset: auto;
    grid-area: 3 / 1 / auto / -1;
    justify-self: center;
    width: clamp(140px, 38vw, 200px);
    max-width: 100%;
    margin: 0 auto 24px;
    transform: none;
  }

  .suiso-button img {
    width: 100%;
    height: auto;
  }

  .suiso-title-break {
    display: initial;
  }

  .koseisinrigaku {
    position: relative;
    width: calc(100% - 32px);
    margin: 0px auto 40px;
  }

  .koseisinrigaku h3 {
    top: 42%;
    width: 90%;
    font-size: clamp(18px, 7.6vw, 36px);
    text-align: center;
  }

  .koseisinrigaku .kosei-p1,
  .koseisinrigaku .kosei-p2 {
    position: absolute;
    left: 50%;
    width: 92%;
    margin: 0px;
    white-space: normal;
    text-align: center;
    letter-spacing: 0px;
    transform: translateX(-50%);
  }

  .koseisinrigaku .kosei-p1 {
    bottom: 9%;
    font-size: clamp(10px, 2.6vw, 13px);
  }

  .koseisinrigaku .kosei-p2 {
    bottom: 5%;
    font-size: clamp(6px, 1.7vw, 8px);
  }

  .eightTips .eightTips-link {
    position: relative;
    inset: auto;
    width: auto;
    height: auto;
    padding: 12px 8px 16px;
    border: 1px solid rgb(59, 42, 67);
    border-radius: 20px;
    background: rgb(23, 17, 30);
    color: rgb(255, 255, 255);
    line-height: 1.6;
    text-align: center;
  }

  .eightTips.tips-navigating .eightTips-link .eightTips-item {
    visibility: hidden;
  }

  .eightTips {
    width: calc(100% - 32px);
    margin: 0px auto 48px;
    padding: 0px;
    height: auto;
    aspect-ratio: auto;
  }

  .eightTips-background {
    display: none;
  }

  .eightTips-link .eightTips-item {
    position: relative;
    width: 100%;
    height: auto;
    margin: 0px auto 12px;
    inset: auto;
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .eightTips-items {
    position: relative;
    inset: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0px, 1fr));
    gap: clamp(8px, 2vw, 12px);
  }

  .events {
    width: calc(100% - 32px);
    flex-direction: column;
    gap: clamp(16px, 4vw, 24px);
    margin: 0px auto 40px;
    padding: 0px;
  }

  .event,
  .latest {
    padding: 0px;
  }

  .event,
  .latest {
    width: 100%;
  }

  .event h3,
  .latest h3 {
    font-size: 24px;
    margin-bottom: clamp(10px, 3vw, 16px);
  }

  .event-contents,
  .latest-contents {
    box-sizing: border-box;
    width: 100%;
    padding: 24px;
    background: gray;
    border: 0px;
    border-radius: clamp(4px, 0.6vw, 8px);
  }

  .notice-date {
    font-size: clamp(12px, 2.2vw, 16px);
  }

  .notice-new {
    padding: clamp(1px, 0.2vw, 2px) clamp(4px, 0.65vw, 5px);
    font-size: clamp(10px, 1.8vw, 14px);
  }

  .notice-body,
  .notice-title {
    font-size: 16px;
    line-height: 1.8;
  }

  .book .book-item:first-child,
  .book .book-item:nth-child(2) {
    position: relative;
  }

  .book .book-item .book-content {
    display: contents;
  }

  .book .book-item .book-description-mobile {
    width: 100%;
    margin: 0px;
  }

  .book .book-item .purchase {
    justify-self: center;
  }

  .book .book-item .book-image,
  .book .book-item .book-image-2 {
    display: block;
    width: auto;
    height: clamp(260px, 65vw, 360px);
    max-width: 100%;
    max-height: none;
    margin: 0px;
    object-fit: contain;
    scale: 1;
    transform: none;
  }

  .book .book-item:first-child .book-images {
    position: relative;
    inset: -12px auto auto;
    grid-area: 1 / 1;
    display: flex;
    justify-content: center;
    width: 100%;
    height: auto;
    min-width: 0px;
    margin-bottom: -12px;
  }

  .book .book-item:first-child .book-image {
    width: clamp(167px, 41.86vw, 230px);
    height: auto;
    max-width: 100%;
    max-height: none;
    object-fit: contain;
    object-position: center top;
    margin: 0px;
    scale: 1;
    transform: none;
  }

  .book .book-item:first-child .book-content h5 {
    position: static;
    grid-area: 1 / 2;
    display: block;
    width: 100%;
    min-width: 0px;
    min-height: 0px;
    margin: 0px;
    padding: 0px;
    align-self: center;
    text-align: center;
  }

  .book .book-item:first-child .book-description-mobile {
    grid-area: 2 / 1 / auto / -1;
  }

  .book .book-item:first-child .purchase {
    grid-area: 3 / 1 / auto / -1;
    margin-bottom: clamp(60px, 14vw, 84px);
  }

  .book .book-item:nth-child(2) .book-images {
    position: absolute;
    top: -90px;
    right: 1.5%;
    left: auto;
    z-index: 2;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    width: 36%;
    height: clamp(120px, 34vw, 220px);
    margin: 0px;
  }

  .book .book-item:nth-child(2) .book-image-2 {
    width: auto;
    height: clamp(180px, 45vw, 240px);
    max-width: 100%;
    scale: 1;
  }

  .book .book-item:nth-child(2) .book-content h5 {
    grid-area: 1 / 1;
    width: 62%;
    margin: 0px 38% clamp(12px, 3vw, 20px) 0px;
    text-align: center;
  }

  .book .book-item:nth-child(2) .book-description-mobile {
    grid-area: 3 / 1;
    margin-top: clamp(50px, 14vw, 80px);
  }

  .book .book-item:nth-child(2) .purchase {
    grid-area: 4 / 1;
  }

  .book .book-list {
    gap: 40px;
  }

  .book .book-item {
    display: flex;
    flex-direction: column;
    gap: clamp(16px, 4vw, 24px);
    margin: 24px 0px 0px;
  }

  .book .book-item .book-images,
  .book .book-item .book-content {
    transform: none;
    clip-path: none;
    opacity: 1;
    visibility: visible;
  }

  .book .book-item .book-images img {
    width: auto;
    max-width: 80%;
    height: 260px;
    margin: 0px auto;
    transform: none;
  }

  .book .book-content h5 {
    font-size: 20px;
    line-height: 1.6;
    margin: 0px 0px 16px;
  }

  .book .book-content p {
    font-size: 16px;
    line-height: 1.9;
    text-align: left;
    letter-spacing: 0px;
  }

  .book .book-content .purchase {
    display: block;
    padding: 14px 18px;
    margin: 24px 0px 0px;
    border-radius: 14px;
    text-align: center;
    font-size: 16px;
  }

  .book .book-item:first-child,
  .book .book-item:nth-child(2) {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: clamp(16px, 4vw, 24px);
    margin: 24px 0px 0px;
    grid-template-columns: none;
  }

  .book .book-item .book-content,
  .book .book-item .book-images {
    position: relative;
    inset: auto;
    grid-area: auto;
    width: 100%;
    max-width: none;
    margin: 0px;
  }

  .book .book-item .book-content h5 {
    position: relative;
    inset: auto;
    width: 100%;
    max-width: none;
    text-align: left;
    transform: none;
  }

  .book .book-list .book-item .book-images,
  .book .book-list .book-item .book-content {
    position: relative;
    inset: auto;
    display: block;
    width: 100%;
    height: auto;
    margin: 0px;
    grid-area: auto;
  }

  .book .book-list .book-item .book-images img {
    width: auto;
    height: 260px;
    max-width: 100%;
    margin: 0px auto;
  }

  .book .book-list .book-item .book-content h5 {
    width: 100%;
    margin: 0px 0px 16px;
    padding: 0px;
    text-align: left;
    font-size: 20px;
    line-height: 1.6;
  }

  .book .book-list .book-item .book-content p.book-description-mobile {
    width: 100%;
    margin: 0px;
    font-size: 16px;
    line-height: 1.9;
  }

  .book .book-list .book-item .purchase {
    position: relative;
    inset: auto;
    width: 100%;
    height: auto;
    box-sizing: border-box;
    margin: 24px 0px 0px;
    padding: 14px 18px;
    transform: none;
    font-size: 16px;
    line-height: 1.5;
  }

  .book-content p.book-description-pc {
    display: none;
  }

  .book-content p.book-description-mobile {
    display: block;
  }

  .book-background {
    object-fit: cover;
  }

  .book h4 {
    margin: clamp(6px, 2vw, 10px) 0px clamp(14px, 3vw, 20px);
  }

  .book-list {
    display: flex;
    flex-direction: column;
    gap: clamp(28px, 7vw, 48px);
  }

  .book-content h5,
  .book-content p {
    line-break: strict;
    overflow-wrap: normal;
    word-break: auto-phrase;
  }

  .book-content h5 {
    font-size: clamp(13px, 3.5vw, 16px);
    line-height: 1.45;
  }

  .book-content p {
    width: 100%;
    margin: 0px;
    font-size: clamp(12px, 3.2vw, 14px);
    line-height: 1.8;
    text-align: center;
    text-wrap: pretty;
  }

  .first-greet .message::before {
    background: rgba(0, 0, 0, 0.38);
  }

  .first-greet .message .message-1 {
    margin-top: clamp(-3px, -0.5vw, -1px);
  }

  .first-greet .message .message-2,
  .first-greet .message .message-3,
  .first-greet .message .message-4 {
    margin-top: clamp(8px, 1.7vw, 14px);
  }

  .first-greet .message .message-background {
    position: relative;
    inset: auto;
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: none;
  }

  .first-greet .message .pc-message {
    display: none;
  }

  .first-greet .message .res-message {
    display: block;
    padding: 24px 20px;
  }

  .first-greet .message .message-content {
    position: relative;
    inset: auto;
    width: 100%;
    margin: 0px;
    font-size: 16px;
    line-height: 1.95;
    text-align: left;
    text-shadow: none;
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .first-greet .message .message-content+.message-content {
    margin-top: 24px;
  }

  .first-greet {
    width: 100%;
    padding-top: clamp(20px, 4vw, 48px);
  }

  .first-greet {
    box-sizing: border-box;
    padding: 24px 16px 0px;
    margin-bottom: 40px;
  }

  .first-greet .first-greet-image {
    width: 140px;
  }

  .first-greet .first-profile {
    margin: 0px auto 20px;
  }

  .first-greet .name {
    margin: -36px auto 20px;
    font-size: 16px;
  }

  .first-greet .first-greet-image,
  .first-greet .name,
  .first-greet .title-3,
  .first-greet .title-1,
  .first-greet .title-2,
  .first-greet .title-4 {
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .first-greet .title-1,
  .first-greet .title-2,
  .first-greet .title-4 {
    font-size: 24px;
    margin: 8px auto;
  }

  .first-greet .title-3 {
    margin: 8px auto;
  }

  .first-greet .title-3 {
    font-size: 28px;
  }

  .first-greet .message {
    margin-top: clamp(24px, 4vw, 48px);
  }

  .first-greet .message {
    box-sizing: border-box;
    width: 100%;
    height: auto;
    min-height: 0px;
    aspect-ratio: auto;
    margin: 28px auto 0px;
    padding: 0px;
    border: 1px solid rgb(59, 42, 67);
    border-radius: clamp(16px, 4vw, 24px);
    background: rgb(23, 16, 32);
    overflow: hidden;
  }

  .first-greet .message-background {
    object-fit: contain;
    object-position: center center;
  }

  .first-greet .message-frame {
    width: 100%;
    height: 100%;
  }

  .first-greet .message::before,
  .first-greet .message-frame {
    display: none;
  }

  .first-greet .message p {
    font-size: clamp(15px, 2.5vw, 30px);
    line-height: 1.8;
    letter-spacing: 0px;
  }

  .first-greet .pc-message {
    display: none;
  }

  .first-greet .res-message {
    display: block;
  }

  .pegasus-title-1,
  .pegasus-title-2,
  .pegasus-title-3 {
    font-size: clamp(24px, 8vw, 40px);
  }

  .pegasus-content-1,
  .pegasus-content-2 {
    font-size: clamp(8px, 4vw, 18px);
  }

  .contact .details {
    margin-top: clamp(10px, 2.5vw, 18px);
  }

  .contact .details p {
    font-size: clamp(10px, 2.6vw, 14px);
  }

  .contact {
    --error-space: clamp(38px, 8vw, 48px);
    width: 86%;
    padding: clamp(8px, 2.2vw, 14px);
    border-width: 1px;
  }

  .contact .form-row {
    flex-direction: row;
    align-items: flex-start;
    gap: clamp(5px, 2vw, 10px);
    margin: clamp(4px, 1vw, 10px) 0px clamp(-22px, -3vw, -12px);
  }

  .contact .form-row .form-group {
    flex: 1 1 0px;
    width: auto;
    min-width: 0px;
  }

  .contact label,
  .contact .address-title {
    font-size: clamp(10px, 2.8vw, 16px);
  }

  .contact .label-row {
    gap: clamp(2px, 0.8vw, 4px);
    flex-wrap: wrap;
  }

  .contact .required {
    padding: 2px 3px;
    font-size: clamp(8px, 2vw, 11px);
  }

  .contact input,
  .contact select,
  .contact textarea {
    min-width: 0px;
    max-width: 100%;
    font-size: 16px;
  }

  .contact input,
  .contact select {
    height: clamp(28px, 7vw, 36px);
    padding: clamp(4px, 1vw, 6px) clamp(5px, 1.5vw, 8px);
  }

  .contact .full-group {
    width: 100%;
    margin-top: clamp(4px, 1vw, 10px);
    margin-bottom: clamp(-22px, -3vw, -12px);
  }

  .contact .tell-section {
    flex-direction: row;
    gap: clamp(5px, 2vw, 10px);
    margin: clamp(20px, 4vw, 30px) 0px clamp(2px, 0.5vw, 4px);
  }

  .contact .address-group {
    width: 80%;
    margin: clamp(-12px, -5.2vw, -20px) 0px;
  }

  .contact .zip-field {
    margin-bottom: clamp(-16px, -2.4vw, -4px);
  }

  .contact .zip-row {
    flex-wrap: nowrap;
    gap: clamp(3px, 1vw, 6px);
  }

  .contact .zip-mark {
    font-size: clamp(13px, 3vw, 18px);
  }

  .contact .zip-input {
    flex: 1 1 auto;
    width: auto;
    min-width: 0px;
  }

  .contact .address-search {
    flex-shrink: 0;
    min-height: 32px;
    padding: clamp(3px, 1vw, 5px) clamp(4px, 1.5vw, 8px);
    font-size: clamp(10px, 2.5vw, 13px);
  }

  .contact #prefecture {
    font-size: 14px;
  }

  .contact .zip-field .error-message {
    left: 9%;
  }

  .contact textarea {
    height: clamp(60px, 14vw, 100px);
  }

  .contact .decision {
    width: clamp(120px, 55%, 190px);
    height: clamp(30px, 7vw, 36px);
    margin-top: -20px;
    font-size: clamp(11px, 2.5vw, 14px);
    border-radius: clamp(30px, 8vw, 50px);
  }

  .contact .form-status {
    font-size: clamp(10px, 2.5vw, 12px);
  }

  .contact .field .error-message,
  .contact .mail .error-message,
  .contact .mail-r .error-message,
  .contact .zip-field .error-message,
  .contact .textarea-wrapper .error-message {
    padding: clamp(3px, 1vw, 5px) clamp(5px, 1.5vw, 8px);
    font-size: clamp(8px, 2vw, 10px);
  }

  .contact-title {
    margin: clamp(10px, 2.5vw, 18px) 0px clamp(8px, 2vw, 14px);
    padding: 0px clamp(8px, 2.5vw, 16px);
    border-width: 1px;
  }

  .contact-form h2 {
    font-size: clamp(18px, 5vw, 28px);
  }

  .privacy-content {
    width: 90%;
  }

  .privacy-content h2 {
    font-size: clamp(22px, 5vw, 26px);
  }

  .privacy-content h3 {
    font-size: clamp(18px, 4.2vw, 22px);
    margin-top: clamp(28px, 6vw, 36px);
  }

  .privacy-content p {
    font-size: clamp(14px, 3.5vw, 16px);
    line-height: 1.85;
    margin-top: clamp(-12px, -2vw, -8px);
  }

}

@media (max-width: 500px) {
  .pc-br {
    display: none;
  }

  .res-br {
    display: inline;
  }

  .header-inner {
    padding-inline: clamp(10px, 3vw, 15px);
  }

  .header-logo {
    width: min(72%, 320px);
  }

  .nav-menu {
    padding-inline: clamp(16px, 4vw, 20px);
  }

  .hero {
    margin-bottom: clamp(24px, 6vw, 30px);
  }

  .greeting h4 {
    white-space: normal;
  }

  .greet {
    margin-block: clamp(18px, 4vw, 20px);
  }

  .greet p {
    font-size: clamp(18px, 4vw, 20px);
  }

  .profile-button {
    width: clamp(130px, 30vw, 150px);
    margin-top: clamp(18px, 4vw, 20px);
  }

  .suiso {
    gap: clamp(14px, 3.2vw, 16px) clamp(12px, 2.8vw, 14px);
  }

  .suiso-content {
    margin-top: clamp(16px, 4vw, 20px);
  }

  .suiso h3 {
    font-size: clamp(22px, 5.4vw, 27px);
  }

  .suiso-content>p:not(.suiso-p) {
    font-size: clamp(16px, 4vw, 20px);
  }

  .suiso1,
  .suiso2 {
    width: 50%;
    max-width: 110px;
    top: clamp(-16px, -3.2vw, -6px);
  }

  .suiso-button {
    position: relative;
    inset: auto;
    grid-area: 3 / 1 / auto / -1;
    justify-self: center;
    width: clamp(124px, 38vw, 174px);
    margin: 0 auto 24px;
    transform: none;
  }

  .koseisinrigaku h3 {
    top: 42%;
    left: 50%;
    width: 90%;
    transform: translateX(-50%);
    font-size: clamp(14px, 7.2vw, 32px);
    text-align: center;
  }

  .notice-title {
    overflow-wrap: anywhere;
  }

  .book .book-content p.book-description-mobile {
    font-size: clamp(11px, 2.5vw, 13px);
    line-height: 1.6;
  }

  .book .book-item:first-child .book-image {
    width: clamp(110px, 26vw, 160px);
    height: auto;
  }

  .book .book-item:nth-child(2) .book-image-2 {
    height: clamp(140px, 35vw, 175px);
    margin-top: clamp(16px, 3.2vw, 20px);
  }

  .book .book-item:nth-child(2) .book-description-mobile {
    margin-top: clamp(35px, 9vw, 48px);
  }

  .book .purchase {
    width: clamp(125px, 35vw, 170px);
    font-size: clamp(12px, 2.6vw, 14px);
    margin: clamp(-10px, -1.2vw, -4px) 0px clamp(1px, 0.5vw, 2px);
  }

  .first-greet .message::before {
    background: rgba(0, 0, 0, 0.38);
  }

  .first-greet .message .message-1 {
    margin-top: clamp(-8px, -1.2vw, -4px);
  }

  .first-greet .message .message-2,
  .first-greet .message .message-3,
  .first-greet .message .message-4 {
    margin-top: clamp(5px, 1.1vw, 9px);
  }

  .first-greet {
    width: 100%;
    padding-top: clamp(20px, 4vw, 48px);
  }

  .first-greet .first-profile {
    margin: 0px auto 20px;
  }

  .first-greet .title-3 {
    margin: 1px auto;
  }

  .first-greet .message {
    margin-top: clamp(24px, 4vw, 48px);
  }

  .first-greet .message-background {
    object-fit: contain;
    object-position: center center;
  }

  .first-greet .message-frame {
    width: 100%;
    height: 100%;
  }

  .first-greet .message p {
    font-size: clamp(13px, 1.8vw, 22px);
    line-height: 1.8;
    letter-spacing: 0px;
  }

  .first-greet .pc-message {
    display: none;
  }

  .first-greet .res-message {
    display: block;
  }

  .pegasus-title-1,
  .pegasus-title-2,
  .pegasus-title-3 {
    font-size: clamp(24px, 7.2vw, 36px);
  }

  .pegasus-content-1,
  .pegasus-content-2 {
    font-size: clamp(11px, 2.9vw, 20px);
  }

  .contact-form .contact-background {
    position: absolute;
    inset: 0px;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    pointer-events: none;
  }

  .contact-form .contact {
    position: relative;
    inset: auto;
    transform: none;
    width: 90%;
    height: auto;
    min-height: 0px;
    max-height: none;
    margin: 0px auto;
    padding: 12px;
  }

  .contact .form-row,
  .contact .full-group,
  .contact .tell-section,
  .contact .address-group,
  .contact .details {
    margin: 0px 0px 14px;
  }

  .contact-form {
    height: auto;
    min-height: 0px;
    max-height: none;
    aspect-ratio: auto;
    margin-top: var(--page-header-height, 84px);
    padding: clamp(24px, 6vw, 30px) 0px;
    isolation: isolate;
  }

  .contact {
    width: 90%;
    padding-inline: clamp(8px, 2vw, 10px);
    bottom: 1%;
  }

  .contact .form-row {
    margin-top: 0px;
    margin-bottom: clamp(-8px, -1.6vw, -2px);
  }

  .contact .full-group {
    margin-top: 0px;
    margin-bottom: clamp(-12px, -2vw, -6px);
  }

  .contact .company-group {
    margin-top: clamp(6px, 1.5vw, 10px);
  }

  .contact .error-message {
    font-size: clamp(8px, 2vw, 10px);
    line-height: 1.25;
  }

  .contact .tell-section {
    margin-top: clamp(10px, 2.5vw, 16px);
  }

  .contact .address-item {
    margin-bottom: clamp(8px, 2vw, 12px);
  }

  .contact .decision {
    margin-top: -20px;
  }

  .contact {
    --error-space: clamp(19px, 5vw, 25px);
  }

  .contact .field,
  .contact .mail,
  .contact .mail-r,
  .contact .zip-field,
  .contact .textarea-wrapper {
    position: relative;
    padding-bottom: var(--error-space);
  }

  .contact .tell-section {
    margin-bottom: 20px;
  }

  .contact .address-group {
    width: 100%;
  }

  .contact .mail {
    padding-top: 0px;
  }

  .contact .zip-field {
    margin-bottom: 12px;
  }

  .contact .required {
    font-size: clamp(9px, 2.4vw, 12px);
  }

  .contact .field .error-message,
  .contact .mail .error-message,
  .contact .mail-r .error-message,
  .contact .zip-field .error-message,
  .contact .textarea-wrapper .error-message {
    position: absolute;
    top: calc(100% - var(--error-space) + 4px);
    left: 0px;
    width: fit-content;
    margin: 0px;
    font-size: clamp(9px, 2.2vw, 11px);
    line-height: 1.3;
  }

  .contact .zip-input {
    flex: 1 1 0px;
    width: 0px;
    min-width: 0px;
  }

  .contact .address-search {
    flex: 0 0 clamp(90px, 24vw, 120px);
    width: clamp(100px, 26vw, 130px);
    white-space: nowrap;
  }

  .contact #prefecture {
    font-size: 12px;
  }

  .contact input,
  .contact select,
  .contact textarea {
    font-size: 16px;
  }

  .contact input,
  .contact select,
  .contact .address-search {
    min-height: 40px;
  }

  .contact textarea {
    height: 100px;
    min-height: 100px;
    resize: vertical;
  }

  .contact .decision-button {
    margin: 32px 0px 0px;
  }

  .contact .decision {
    display: block;
    width: clamp(115px, 55%, 155px);
    height: clamp(32px, 7vw, 38px);
    min-height: 0px;
    margin: 0px auto;
    padding: clamp(4px, 1vw, 6px) clamp(10px, 2.5vw, 14px);
    font-size: clamp(11px, 2.5vw, 14px);
    border-radius: clamp(16px, 5vw, 24px);
  }

  .contact-title {
    margin-top: clamp(18px, 5vw, 26px);
  }

  .contact-title {
    margin: clamp(8px, 2vw, 14px) 0px;
  }

  .contact-form h2 {
    font-size: clamp(18px, 4.4vw, 20px);
    margin-bottom: clamp(4px, 1.2vw, 6px);
  }

  .sns-box {
    width: clamp(32px, 8vw, 40px);
    height: clamp(32px, 8vw, 40px);
  }

  .privacy-content {
    width: 92%;
  }

  .privacy-content h2 {
    font-size: clamp(21px, 5.5vw, 24px);
  }

  .privacy-content h3 {
    font-size: clamp(18px, 4.5vw, 20px);
    margin-top: clamp(26px, 6vw, 32px);
  }

  .privacy-content p {
    font-size: clamp(14px, 3.8vw, 15px);
    margin-top: -8px;
  }

  .ryuukon-item {
    gap: clamp(16px, 4vw, 22px);
    margin-bottom: clamp(32px, 8vw, 44px);
  }

  .ryuukon-text p {
    font-size: clamp(14px, 3.8vw, 16px);
    line-height: 1.85;
  }

  .ryuukon-item>img {
    max-width: 100%;
  }

}

/* お問い合わせの同意欄と送信中表示 */
.contact .contact-consent {
  width: 100%;
  margin-top: 24px;
  font-size: 14px;
  line-height: 1.8;
}

.contact .contact-consent label {
  display: block;
}

.contact .contact-consent input[type="checkbox"] {
  display: inline-block;
  width: 18px;
  height: 18px;
  padding: 0;
  margin: 0 6px 0 0;
  vertical-align: middle;
  appearance: auto;
}

.contact .contact-consent a {
  text-decoration: underline;
}

.contact .decision:disabled {
  cursor: wait;
  opacity: 0.65;
}

.contact .decision {
  margin-top: 32px;
}

/* 確認欄が増えてもフォームを背景からはみ出させない */
@media (min-width: 501px) {
  .contact-form {
    height: auto;
    min-height: 0;
    max-height: none;
    aspect-ratio: auto;
    padding: 6% 0 24px;
  }

  .contact-form .contact-background {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
  }

  .contact-form #contactForm {
    position: relative;
    inset: auto;
    transform: none;
    height: auto;
    margin: 0 auto;
  }
}

.contact-verification {
  margin-top: 24px;
  width: 100%;
}

#contact-security-status {
  font-size: 14px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

#contact-security-retry {
  padding: 8px 16px;
  cursor: pointer;
}

#contact-challenge {
  display: flex;
  justify-content: center;
}

#contact-security-status {
  color: #222;
  background: rgba(255, 255, 255, .85);
  padding: 6px;
  border-radius: 4px;
}