/* =========================
   Reset
========================= */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: #282623;
  background: #fff;
  font-family:
    "Noto Sans JP",
    "Helvetica Neue",
    Arial,
    sans-serif;
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  border-radius: 0;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}


/* =========================
   Common
========================= */

:root {
  --color-text: #282623;
  --color-sub: #6f6a63;
  --color-brown: #554943;
  --color-brown-dark: #403632;
  --color-bg: #f5f3ef;
  --color-line: #d9d5cf;
  --color-white: #fff;
  --color-line-app: #527a62;

  --content-width: 1120px;
  --narrow-width: 760px;

  --space-section: 88px;
}

html {
  scroll-padding-top: 72px;
}

.site-header {
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.site-header__inner {
  width: min(calc(100% - 40px), var(--content-width));
  margin-inline: auto;
}

.site-header__logo {
  width: 120px;
  height: auto;
}

.section {
  padding: var(--space-section) 0;
}

.section-muted {
  background: var(--color-bg);
}

.section-inner {
  width: min(calc(100% - 40px), var(--content-width));
  margin-inline: auto;
}

.section-inner--narrow {
  max-width: var(--narrow-width);
}

.section-heading {
  margin-bottom: 44px;
}

.section-label {
  margin: 0 0 10px;
  color: var(--color-brown);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
}

.section-title {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.section-text-group {
  display: grid;
  gap: 20px;
}

.section-text-group--center {
  max-width: 760px;
  margin-inline: auto;
}

.section-text {
  margin: 0;
}

.section-text strong {
  font-weight: 600;
}

.section-text--emphasis {
  margin-top: 10px;
  color: var(--color-brown);
  font-size: 20px;
  font-weight: 600;
}

.section-note {
  max-width: 800px;
  margin: 32px auto 0;
  color: var(--color-sub);
  font-size: 13px;
  line-height: 1.8;
}

.sp-only {
  display: none;
}


/* =========================
   FV
========================= */

.fv__image {
  position: relative;
  min-height: 650px;
  display: flex;
  align-items: center;

  background:
    linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.38) 0%,
      rgba(0, 0, 0, 0.17) 45%,
      rgba(0, 0, 0, 0.02) 72%
    ),
    url("images/fv-house-consultation.jpg")
    center 62% / cover no-repeat;
}

.fv__content {
  width: min(calc(100% - 40px), var(--content-width));
  margin-inline: auto;
  color: #fff;
}

.fv__label {
  margin: 0 0 20px;
  font-size: 14px;
  letter-spacing: 0.08em;
}

.fv__title {
  max-width: 900px;
  margin: 0;
  font-size: clamp(38px, 4.6vw, 60px);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.03em;
}

.fv__title-line {
  white-space: nowrap;
}

.fv__text {
  display: grid;
  gap: 6px;
  max-width: 620px;
  margin-top: 34px;
  font-size: 17px;
  line-height: 1.9;
}

.fv__text p {
  margin: 0;
}

.fv__info {
  padding: 56px 0 64px;
  text-align: center;
}

.fv__lead {
  margin: 0 0 28px;
  font-size: 21px;
  font-weight: 600;
  line-height: 1.8;
}

.event-date {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  margin: 0;
  color: var(--color-brown);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 38px;
  line-height: 1.2;
}

.event-date small {
  font-size: 13px;
  letter-spacing: 0.1em;
}

.event-date__separator {
  margin-inline: 3px;
}

.event-name {
  margin: 12px 0 0;
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.gift-short {
  margin: 22px 0 0;
  color: var(--color-sub);
  font-size: 14px;
}


/* =========================
   CTA
========================= */

.cta-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  max-width: 650px;
  margin: 32px auto 0;
}

.cta-button {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;

  color: #fff;
  background: var(--color-brown);

  border: 1px solid var(--color-brown);

  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.04em;

  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

.cta-button:hover {
  background: var(--color-brown-dark);
}

.cta-button--line {
  color: var(--color-text);
  background: #fff;
  border-color: var(--color-line-app);
}

.cta-button--line:hover {
  color: #fff;
  background: var(--color-line-app);
}

.cta-button:focus-visible,
.submit-button:focus-visible,
.text-button:focus-visible,
.booking-date-button:focus-visible,
.booking-time-button:focus-visible {
  outline: 3px solid rgba(85, 73, 67, 0.32);
  outline-offset: 3px;
}

.cta-note {
  margin: 14px 0 0;
  color: var(--color-sub);
  font-size: 13px;
}

.inline-cta {
  max-width: 760px;
  margin: 72px auto 0;
  padding-top: 40px;

  border-top: 1px solid var(--color-line);

  text-align: center;
}

.inline-cta__text {
  margin: 0;
  font-size: 17px;
}


/* =========================
   Diagram
========================= */

.relation-diagram {
  display: flex;
  align-items: center;
  justify-content: center;

  max-width: 720px;
  margin: 52px auto 0;
}

.relation-diagram span {
  min-width: 92px;
  padding: 15px 10px;

  border: 1px solid var(--color-line);

  text-align: center;
  font-size: 14px;
}

.relation-diagram i {
  width: 44px;
  height: 1px;
  background: var(--color-line);
}


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

.split-layout {
  display: grid;
  grid-template-columns:
    minmax(0, 1.05fr)
    minmax(0, 0.95fr);

  gap: 64px;
  align-items: center;
}

.split-layout--reverse .split-layout__image {
  order: 2;
}

.split-layout--reverse .split-layout__text {
  order: 1;
}

.split-layout__image {
  margin: 0;
}

.split-layout__image img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.split-layout__image figcaption {
  margin-top: 10px;

  color: var(--color-sub);

  font-size: 12px;
  line-height: 1.7;
}

.split-layout__image figcaption span {
  display: block;

  margin-bottom: 3px;

  color: var(--color-text);
}


/* =========================
   Point List
========================= */

.point-list {
  display: grid;
  gap: 0;

  margin: 32px 0;
  padding: 0;

  list-style: none;

  border-top: 1px solid var(--color-line);
}

.point-item {
  position: relative;

  padding: 17px 8px 17px 26px;

  border-bottom: 1px solid var(--color-line);
}

.point-item::before {
  content: "";

  position: absolute;
  top: 29px;
  left: 5px;

  width: 7px;
  height: 7px;

  background: var(--color-brown);
}


/* =========================
   Event Info
========================= */

.event-section {
  background: #fff;
}

.event-info {
  max-width: 820px;
  margin: 0 auto;
  border-top: 1px solid var(--color-line);
}

.event-info__row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);

  margin: 0;
  padding: 22px 0;

  border-bottom: 1px solid var(--color-line);
}

.event-info dt {
  font-weight: 500;
}

.event-info dd {
  margin: 0;
}


/* =========================
   Form
========================= */

.form-area {
  max-width: 820px;

  margin: 80px auto 0;
  padding: 56px;

  background: var(--color-bg);
}

.form-area__heading {
  margin-bottom: 42px;
}

.form-area__title {
  margin: 0;

  font-size: 28px;
  font-weight: 500;
}

.form-area__text {
  margin: 10px 0 0;

  color: var(--color-sub);

  font-size: 14px;
}

#reservation-form {
  display: grid;
  gap: 32px;
}

.form-group {
  display: grid;
  gap: 9px;
}

.contact-group {
  display: grid;
  gap: 22px;
}

.form-group > label,
.booking-fieldset > legend {
  font-weight: 500;
}

.required,
.optional {
  margin-left: 6px;

  font-size: 11px;
  font-weight: 400;
}

.required {
  color: var(--color-brown);
}

.optional {
  color: var(--color-sub);
}

.form-group input,
.form-group textarea {
  width: 100%;

  border: 1px solid #c9c5bf;
  border-radius: 0;

  background: #fff;
  color: var(--color-text);
}

.form-group input {
  height: 52px;
  padding: 0 14px;
}

.form-group textarea {
  min-height: 150px;
  padding: 13px 14px;

  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid rgba(85, 73, 67, 0.25);
  border-color: var(--color-brown);
}

.form-help {
  margin: 2px 0 12px;

  color: var(--color-sub);

  font-size: 13px;
}

.form-help--contact {
  margin-bottom: -4px;
}

.honeypot {
  position: absolute;
  left: -9999px;
}


/* =========================
   Booking
========================= */

.booking-date-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap: 12px;
}

.booking-date-button {
  min-height: 92px;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  padding: 15px;

  border: 1px solid var(--color-line);

  color: var(--color-text);
  background: #fff;

  cursor: pointer;

  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}

.booking-date-button:hover {
  border-color: var(--color-brown);
}

.booking-date-button.is-selected {
  color: #fff;
  background: var(--color-brown);
  border-color: var(--color-brown);
}

.booking-date-button:disabled {
  color: #aaa;
  background: #efede9;
  border-color: var(--color-line);
  cursor: default;
}

.booking-date-button__date {
  font-size: 20px;
  font-weight: 500;
}

.booking-date-button__weekday {
  margin-top: 3px;
  font-size: 12px;
}

.booking-time-area {
  margin-top: 22px;
  padding-top: 22px;

  border-top: 1px solid var(--color-line);
}

.booking-time-area__title {
  margin: 0 0 13px;
  font-size: 13px;
}

.booking-time-options {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.booking-time-button {
  min-height: 50px;

  padding: 9px 5px;

  border: 1px solid var(--color-line);

  color: var(--color-text);
  background: #fff;

  cursor: pointer;

  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}

.booking-time-button:hover {
  border-color: var(--color-brown);
  background: #f0ede8;
}

.booking-time-button.is-selected {
  color: #fff;
  background: var(--color-brown);
  border-color: var(--color-brown);
}

.booking-summary {
  display: grid;
  gap: 4px;

  margin-top: 18px;
  padding: 17px 18px;

  background: #ebe8e3;
}

.booking-summary__label {
  color: var(--color-sub);
  font-size: 11px;
}

.booking-summary strong {
  font-size: 15px;
  font-weight: 500;
}

.text-button {
  width: max-content;

  margin-top: 4px;
  padding: 0;

  border: 0;

  color: var(--color-brown);
  background: transparent;

  font-size: 12px;
  text-decoration: underline;

  cursor: pointer;
}

.form-error {
  margin: 10px 0 0;

  color: #7b3f3b;

  font-size: 13px;
}


/* =========================
   Submit
========================= */

.submit-button {
  width: 100%;
  min-height: 62px;

  margin-top: 8px;
  padding: 15px 24px;

  border: 0;

  color: #fff;
  background: var(--color-brown);

  cursor: pointer;

  font-weight: 500;
  letter-spacing: 0.04em;

  transition: background-color 0.2s ease;
}

.submit-button:hover {
  background: var(--color-brown-dark);
}


/* =========================
   Final CTA
========================= */

.final-cta {
  max-width: 760px;

  margin: 80px auto 0;
  padding-top: 52px;

  border-top: 1px solid var(--color-line);

  text-align: center;
}

.final-cta__title {
  margin: 0;

  font-size: 20px;
  font-weight: 500;
}

.line-guide {
  margin: 22px auto 0;

  color: var(--color-sub);

  font-size: 13px;
  line-height: 1.8;
}

.line-guide p {
  margin: 3px 0;
}


/* =========================
   Thanks
========================= */

.thanks-fv {
  padding: 96px 0 80px;
  background: var(--color-bg);
}

.thanks-fv__title {
  margin: 0;

  font-size: clamp(30px, 4vw, 46px);
  font-weight: 500;
  line-height: 1.5;
}

.thanks-fv__lead {
  margin: 32px 0 0;
  font-size: 18px;
  font-weight: 500;
}

.thanks-fv__text {
  margin: 14px 0 0;
  color: var(--color-sub);
}

.thanks-content {
  display: grid;
  gap: 48px;
}

.thanks-block {
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-line);
}

.thanks-block:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.thanks-block__title {
  margin: 0 0 18px;

  font-size: 21px;
  font-weight: 500;
}

.thanks-block p {
  margin: 0 0 14px;
}

.thanks-block p:last-child {
  margin-bottom: 0;
}

.thanks-link {
  display: inline-block;
  margin-top: 10px;
  color: var(--color-brown);
}

.thanks-official-link {
  margin: 22px 0 0;
  font-size: 13px;
}

.thanks-official-link a {
  color: var(--color-brown);
  text-decoration: none;
}


/* =========================
   Closing
========================= */

.closing {
  padding: 72px 0 80px;

  background: var(--color-bg);

  text-align: center;
}

.closing__text {
  margin: 0 0 32px;

  font-size: 17px;
  letter-spacing: 0.05em;
}

.closing__logo-link {
  display: inline-block;
}

.closing__logo {
  width: 150px;
  margin-inline: auto;
}


/* =========================
   Tablet
========================= */

@media (max-width: 900px) {

  :root {
    --space-section: 72px;
  }

  .split-layout {
    gap: 40px;
  }

  .form-area {
    padding: 44px 36px;
  }

}


/* =========================
   Mobile
========================= */

@media (max-width: 700px) {

  :root {
    --space-section: 64px;
  }

  body {
    font-size: 15px;
    line-height: 1.85;
  }

  .sp-only {
    display: initial;
  }

  .site-header {
    height: 58px;
  }

  .site-header__inner,
  .section-inner,
  .fv__content {
    width: min(calc(100% - 32px), var(--content-width));
  }

  .site-header__logo {
    width: 106px;
  }

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

  .section-label {
    font-size: 10px;
  }

  .section-title {
    font-size: 27px;
    line-height: 1.55;
  }

  .section-text-group {
    gap: 18px;
  }

  .section-text--emphasis {
    font-size: 18px;
  }


  /* FV */

  .fv__image {
    min-height: 570px;

    align-items: flex-start;

    padding-top: 60px;

    background:
      linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.35) 0%,
        rgba(0, 0, 0, 0.14) 48%,
        rgba(0, 0, 0, 0.05) 72%
      ),
      url("images/fv-house-consultation.jpg")
      center center / cover no-repeat;
  }

  .fv__label {
    margin-bottom: 14px;
    font-size: 12px;
  }

  .fv__title {
    font-size: clamp(30px, 8.2vw, 36px);
    line-height: 1.4;
  }

  .fv__title-line {
    white-space: normal;
  }

  .fv__text {
    margin-top: 26px;
    margin-left: 22px;

    font-size: 14px;
    line-height: 1.8;
  }

  .fv__info {
    padding: 44px 0 52px;
  }

  .fv__lead {
    margin-bottom: 25px;
    font-size: 18px;
  }

  .event-date {
    font-size: 32px;
  }

  .event-name {
    font-size: 21px;
  }

  .gift-short {
    font-size: 12px;
  }


  /* CTA */

  .cta-group {
    grid-template-columns: 1fr;

    gap: 10px;

    margin-top: 26px;
  }

  .cta-button {
    min-height: 58px;
  }


  /* Diagram */

  .relation-diagram {
    display: grid;
    grid-template-columns: 1fr;

    gap: 0;

    width: min(100%, 260px);
    margin-top: 40px;
  }

  .relation-diagram span {
    width: 100%;
  }

  .relation-diagram i {
    width: 1px;
    height: 20px;
    margin-inline: auto;
  }


  /* Split */

  .split-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .split-layout--reverse .split-layout__image,
  .split-layout--reverse .split-layout__text {
    order: initial;
  }

  .split-layout--reverse .split-layout__image {
    order: 1;
  }

  .split-layout--reverse .split-layout__text {
    order: 2;
  }

  .split-layout__image img {
    aspect-ratio: 4 / 3;
  }

  .point-list {
    margin: 26px 0;
  }

  .inline-cta {
    margin-top: 52px;
    padding-top: 32px;
  }


  /* Event */

  .event-info__row {
    grid-template-columns: 1fr;

    gap: 5px;

    padding: 18px 0;
  }

  .event-info dt {
    font-size: 13px;
  }

  .event-info dd {
    font-size: 14px;
  }


  /* Form */

  .form-area {
    width: calc(100% + 32px);

    margin: 64px -16px 0;
    padding: 42px 16px;
  }

  .form-area__heading {
    margin-bottom: 34px;
  }

  .form-area__title {
    font-size: 25px;
  }

  #reservation-form {
    gap: 28px;
  }

  .contact-group {
    gap: 18px;
  }

  .form-group input {
    height: 54px;
  }


  /* Booking */

  .booking-date-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .booking-date-button {
    min-height: 84px;
    padding: 12px 6px;
  }

  .booking-date-button__date {
    font-size: 18px;
  }

  .booking-date-button__weekday {
    font-size: 11px;
  }

  .booking-time-area {
    margin-top: 20px;
    padding-top: 20px;
  }

  .booking-time-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .booking-time-button {
    min-height: 52px;
  }


  /* Final */

  .final-cta {
    margin-top: 64px;
    padding-top: 42px;
  }

  .final-cta__title {
    font-size: 18px;
  }


  /* Thanks */

  .thanks-fv {
    padding: 68px 0 60px;
  }

  .thanks-fv__title {
    font-size: 30px;
  }

  .thanks-fv__lead {
    margin-top: 25px;
    font-size: 16px;
  }

  .thanks-content {
    gap: 38px;
  }

  .thanks-block {
    padding-bottom: 34px;
  }


  /* Closing */

  .closing {
    padding: 60px 0 68px;
  }

}


/* =========================
   Reduced Motion
========================= */

@media (prefers-reduced-motion: reduce) {

  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

}