@charset "UTF-8";

/* ========================================
   Contact Page - Style
   お問い合わせページ固有のスタイル
======================================== */

/* PC/SP切り替え */
.pc-only {
  display: inline;
}

/* ========================================
   Contact Page: Header Override
   ネイビー背景ヒーロー上でロゴを白にする
   （contact.cssはこのページのみ読み込まれるため直接上書き）
======================================== */
.header .header__logo-img {
  background-color: var(--color-white);
}

/* ========================================
   Contact Hero
   ネイビーグラデーション背景のヒーロー
======================================== */
.contact-hero {
  background-image: linear-gradient(21deg, #253258, #253258d6 50%, #7b849c);
  /*
   * header-height(vw) → 固定値に変更
   * このページは100vhヒーローではないので
   * ヘッダー高さ+余白を固定pxで安定させる
   */
  padding-top: calc(90px + 60px);
  padding-bottom: 80px;
  text-align: center;
  color: var(--color-white);
}

.contact-hero__inner {
  max-width: 54.1667vw;       /* 780px @1440 */
  margin: 0 auto;
  padding: 0 var(--side-padding);
}

.contact-hero__label {
  font-family: var(--font-en);
  font-size: var(--fs-md);
  font-weight: 300;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px;
}

.contact-hero__title {
  font-family: var(--font-en);
  font-size: var(--fs-heading-xl);
  font-weight: 300;
  letter-spacing: 0.08em;
  line-height: 1.15;
  margin-bottom: 28px;
}

.contact-hero__bar {
  display: block;
  width: 60px;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.35);
  margin: 0 auto 32px;
}

.contact-hero__lead p {
  font-size: var(--fs-base);
  line-height: 2;
  color: rgba(255, 255, 255, 0.8);
}

.contact-hero__lead p + p {
  margin-top: 8px;
}

/* ========================================
   Contact Form Section
======================================== */
.contact-form {
  background-color: var(--color-white);
  padding: 80px 0 120px;
}

.contact-form__inner {
  max-width: 52.7778vw;       /* 760px @1440 */
  margin: 0 auto;
  padding: 0 var(--side-padding);
}

/* -- エラー通知バナー -- */
.contact-form__notification {
  background-color: #fef2f2;
  border-left: 4px solid #dc3545;
  border-radius: 0 8px 8px 0;
  padding: 14px 20px;
  margin-bottom: 32px;
}

.contact-form__notification p {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: #dc3545;
  margin: 0;
}

/* ========================================
   Form Group
======================================== */
.contact-form__group {
  margin-bottom: 32px;
}

/* -- 横2列（姓・名） -- */
.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.contact-form__row .contact-form__group {
  margin-bottom: 32px;
}

/* ========================================
   Label
======================================== */
.contact-form__label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

/* -- 必須 / 任意 バッジ -- */
.contact-form__badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.6944vw;        /* 10px @1440 */
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 4px 8px 6px;
  border-radius: 6px;
  line-height: 1.5;
  flex-shrink: 0;
}

.contact-form__badge--required {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.contact-form__badge--optional {
  background-color: transparent;
  color: #8b96b3;
  border: 1px solid #c5cce0;
}

/* ========================================
   Input / Select / Textarea 共通
======================================== */
.contact-form__input,
.contact-form__select,
.contact-form__textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: var(--fs-base);
  font-family: var(--font-ja);
  color: var(--color-text);
  background-color: #f8f9fc;
  border: 1.5px solid #d4d9e6;
  border-radius: 6px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
  box-sizing: border-box;
}

.contact-form__input::placeholder,
.contact-form__textarea::placeholder {
  color: #b0b8cc;
}

/* -- Hover -- */
.contact-form__input:hover:not(:focus),
.contact-form__select:hover:not(:focus),
.contact-form__textarea:hover:not(:focus) {
  border-color: #a0aac4;
}

/* -- Focus -- */
.contact-form__input:focus,
.contact-form__select:focus,
.contact-form__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(59, 75, 120, 0.08);
  background-color: var(--color-white);
}

/* -- Error -- */
.contact-form__input.is-error,
.contact-form__select.is-error,
.contact-form__textarea.is-error {
  border-color: #dc3545;
  background-color: #fffafa;
  animation: formShake 0.4s ease;
}

/* -- Success -- */
.contact-form__input.is-success,
.contact-form__select.is-success {
  border-color: #27ae60;
}

/* ========================================
   Select（カスタム矢印）
======================================== */
.contact-form__select-wrap {
  position: relative;
}

.contact-form__select-wrap::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid #8b96b3;
  pointer-events: none;
}

.contact-form__select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 44px;
  cursor: pointer;
}

.contact-form__select:invalid,
.contact-form__select option[value=""][disabled] {
  color: #b0b8cc;
}

/* ========================================
   Textarea
======================================== */
.contact-form__textarea {
  resize: vertical;
  min-height: 160px;
}

.contact-form__textarea-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  gap: 12px;
}

.contact-form__char-counter {
  font-size: 0.8333vw;        /* 12px @1440 */
  color: #8b96b3;
  flex-shrink: 0;
}

.contact-form__char-count {
  font-weight: 600;
  color: var(--color-text-light);
}

/* ========================================
   Radio ボタン
======================================== */
.contact-form__radio-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-form__radio {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background-color: #f8f9fc;
  border: 1.5px solid #d4d9e6;
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.contact-form__radio:hover {
  border-color: #a0aac4;
  background-color: #f4f5fa;
}

.contact-form__radio input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.contact-form__radio-mark {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid #c5cce0;
  position: relative;
  transition: border-color 0.2s ease;
}

.contact-form__radio-mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-accent);
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.contact-form__radio input[type="radio"]:checked ~ .contact-form__radio-mark {
  border-color: var(--color-accent);
}

.contact-form__radio input[type="radio"]:checked ~ .contact-form__radio-mark::after {
  transform: translate(-50%, -50%) scale(1);
}

.contact-form__radio input[type="radio"]:checked ~ .contact-form__radio-text {
  color: var(--color-accent);
  font-weight: 500;
}

.contact-form__radio-text {
  font-size: var(--fs-base);
  color: var(--color-text);
  transition: color 0.2s ease;
}

/* 選択済みカードスタイル */
.contact-form__radio:has(input[type="radio"]:checked) {
  border-color: var(--color-accent);
  background-color: rgba(59, 75, 120, 0.04);
}

/* -- Radio: エラー状態 -- */
.contact-form__radio.is-error {
  border-color: #dc3545;
  background-color: #fffafa;
}

/* -- サーバーサイドエラー（セッション復元時） -- */
.contact-form__notification--server {
  background-color: #fef2f2;
  border: 1.5px solid #dc3545;
  border-left: 4px solid #dc3545;
  border-radius: 0 8px 8px 0;
  padding: 14px 20px;
  margin-bottom: 32px;
  animation: formFadeIn 0.3s ease-out;
}

/* ========================================
   Error メッセージ
======================================== */
.contact-form__error {
  display: block;
  color: #dc3545;
  font-size: 12px;        /* 13px @1440 */
  margin-top: 6px;
  min-height: 0;
}

.contact-form__error:empty {
  display: none;
}

.contact-form__error:not(:empty) {
  animation: formFadeIn 0.3s ease-out;
}

/* ========================================
   Checkbox（プライバシーポリシー）
======================================== */
.contact-form__checkbox {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 16px 20px;
  border-radius: 6px;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.contact-form__checkbox:hover {
  border-color: #a0aac4;
  background-color: #f4f5fa;
}

.contact-form__checkbox:has(input:checked) {
  border-color: var(--color-accent);
  background-color: rgba(59, 75, 120, 0.04);
}

.contact-form__checkbox.is-error {
  border-color: #dc3545;
  background-color: #fffafa;
}

.contact-form__checkbox input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.contact-form__checkbox-mark {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  border: 2px solid #c5cce0;
  position: relative;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.contact-form__checkbox-mark::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 6px;
  width: 5px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.contact-form__checkbox input:checked ~ .contact-form__checkbox-mark {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.contact-form__checkbox input:checked ~ .contact-form__checkbox-mark::after {
  transform: rotate(45deg) scale(1);
}

.contact-form__checkbox-text {
  font-size: var(--fs-base);
  color: var(--color-text);
  line-height: 1.6;
}

.contact-form__privacy-link {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.2s ease;
}

.contact-form__privacy-link:hover {
  opacity: 0.7;
}

.contact-form__external-icon {
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-left: 3px;
  vertical-align: middle;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233b4b78' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'/%3E%3Cpolyline points='15 3 21 3 21 9'/%3E%3Cline x1='10' y1='14' x2='21' y2='3'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

/* ========================================
   送信ボタン
======================================== */
.contact-form__submit {
  text-align: center;
  margin-top: 48px;
}

.contact-form__submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 32px;
  padding: 12px 40px 15px;
  background-image: linear-gradient(7deg, #253258 62%, #7b849c);
  color: var(--color-white);
  border: 1px solid rgb(255 255 255 / 55%);
  border-radius: 999px;
  font-family: var(--font-ja);
  font-size: var(--fs-base);
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: opacity 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
  justify-content: center;
}

.contact-form__submit-btn:hover:not(:disabled) {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 50, 88, 0.35);
}

.contact-form__submit-btn:active:not(:disabled) {
  transform: translateY(0);
}

.contact-form__submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.contact-form__submit-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--color-white);
  font-size: var(--fs-sm);
  line-height: 1;
  transition: transform 0.3s ease;
}

.contact-form__submit-btn:hover:not(:disabled) .contact-form__submit-arrow {
  transform: translateX(3px);
}

/* -- ローディング状態 -- */
.contact-form__submit-btn.is-loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.contact-form__submit-btn.is-loading .contact-form__submit-arrow {
  opacity: 0;
}

.contact-form__submit-btn.is-loading::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  top: 50%;
  left: 50%;
  margin-left: -11px;
  margin-top: -11px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--color-white);
  animation: formSpinner 0.7s linear infinite;
}

/* ========================================
   Animations
======================================== */
@keyframes formShake {
  0%, 100% { transform: translateX(0); }
  15%, 45%, 75% { transform: translateX(-4px); }
  30%, 60%, 90% { transform: translateX(4px); }
}

@keyframes formFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes formSpinner {
  to { transform: rotate(360deg); }
}

/* ========================================
   Focus Visible（アクセシビリティ）
======================================== */
.contact-form__input:focus-visible,
.contact-form__select:focus-visible,
.contact-form__textarea:focus-visible,
.contact-form__submit-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ========================================
   Thank You Page
======================================== */
.thankyou {
  background-color: var(--color-white);
  padding: 80px 0 120px;
}

.thankyou__inner {
  max-width: 47.2222vw;       /* 680px @1440 */
  margin: 0 auto;
  padding: 0 var(--side-padding);
}

.thankyou__body {
  margin-bottom: 56px;
}

.thankyou__body p {
  font-size: var(--fs-base);
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

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

.thankyou__back {
  text-align: center;
}

.thankyou__back-link {
  display: inline-flex;
  align-items: center;
  gap: 40px;
  padding: 18px 48px 22px;
  background-image: linear-gradient(7deg, #253258 62%, #7b849c);
  color: var(--color-white);
  border-radius: 999px;
  font-size: var(--fs-md);
  font-weight: 500;
  letter-spacing: 0.08em;
  transition: opacity 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
  min-width: 260px;
  justify-content: center;
}

.thankyou__back-link:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 50, 88, 0.35);
}

.thankyou__back-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.5);
  font-size: var(--fs-sm);
  line-height: 1;
  transition: transform 0.3s ease;
}

.thankyou__back-link:hover .thankyou__back-arrow {
  transform: translateX(3px);
}

/* ========================================
   Responsive - 768px以下
======================================== */
@media screen and (max-width: 768px) {

  .pc-only {
    display: none;
  }

  .contact-form__badge {
    font-size: 12px;
  }

  .contact-hero__inner {
    max-width: 100%;
  }

  .contact-hero__lead p {
    text-align: left;
  }

  /* -- Hero -- */
  .contact-hero {
    padding-top: calc(var(--header-height) + 56px);
    padding-bottom: 48px;
  }

  .contact-hero__title {
    font-size: 52px;
    margin-bottom: 20px;
  }

  .contact-hero__bar {
    margin-bottom: 24px;
  }

  .contact-hero__lead p {
    line-height: 1.9;
  }

  /* -- Form -- */
  .contact-form {
    padding: 48px 0 72px;
  }

  .contact-form__row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contact-form__inner {
    max-width: 100%;
  }

  .contact-form__input,
  .contact-form__select,
  .contact-form__textarea {
    font-size: 16px; /* iOS Safari 自動ズーム対策 */
  }

  .contact-form__submit-btn {
    width: auto;
    gap: 24px;
    padding: 12px 40px 15px;
  }

  .contact-form__char-counter {
    font-size: 14px;
  }

  /* -- Thank You -- */
  .thankyou__inner {
    max-width: 100%;
    padding: 0 18px;    
  }

  .thankyou {
    padding: 48px 18px 72px;
  }

  .thankyou__back-link {
    width: 100%;
    gap: 24px;
    padding: 16px 32px 18px;
  }
}

/* ========================================
   Print
======================================== */
@media print {
  .contact-form__submit {
    display: none;
  }
}