:root {
  --ecdb-black: #111214;
  --ecdb-ink: #17191c;
  --ecdb-gray-50: #fafafa;
  --ecdb-gray-100: #f4f5f6;
  --ecdb-gray-200: #e7e8ea;
  --ecdb-gray-300: #cfd2d6;
  --ecdb-gray-600: #62666d;
  --ecdb-white: #fff;
  --ecdb-content: 1424px;
  --ecdb-radius: 16px;
  --ecdb-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ecdb-white);
  color: var(--ecdb-ink);
  font-family: var(--ecdb-font);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid #111;
  outline-offset: 4px;
}

svg {
  display: block;
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.screen-reader-text:focus {
  z-index: 100000;
  top: 8px;
  left: 8px;
  width: auto;
  height: auto;
  padding: 10px 14px;
  clip: auto;
  background: #fff;
  color: #111;
  font-weight: 700;
}

.site-header {
  position: relative;
  z-index: 20;
  min-height: 136px;
  border-bottom: 2px solid var(--ecdb-black);
  background: rgba(255, 255, 255, 0.98);
}

.site-header__inner {
  width: min(calc(100% - 64px), 1200px);
  min-height: 136px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 42px;
}

.site-branding {
  flex: 0 1 auto;
  min-width: 0;
}

.site-branding__link {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-branding__logo {
  flex: 0 0 102px;
  width: 102px;
  height: 92px;
  display: grid;
  place-items: center;
}

.site-branding__logo img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  image-rendering: pixelated;
}

.site-branding__text {
  display: flex;
  min-width: 0;
  flex-direction: column;
  line-height: 1.25;
}

.site-title {
  display: block;
  font-size: clamp(30px, 3vw, 48px);
  font-weight: 900;
  letter-spacing: 0.055em;
  white-space: nowrap;
}

.site-description {
  margin-top: 8px;
  font-size: clamp(12px, 1.2vw, 16px);
  font-weight: 600;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.primary-navigation {
  flex: 0 0 auto;
}

.primary-menu,
.footer-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.primary-menu {
  display: flex;
  align-items: stretch;
  gap: 14px;
}

.primary-menu > li > a {
  position: relative;
  min-height: 58px;
  padding: 15px 22px 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-radius: 13px 13px 4px 4px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.04em;
  transition: background 160ms ease, transform 160ms ease;
}

.primary-menu > li > a:hover {
  background: var(--ecdb-gray-100);
  transform: translateY(-1px);
}

.primary-menu > li.current-menu-item > a,
.primary-menu > li.current_page_item > a {
  background: var(--ecdb-gray-100);
}

.primary-menu > li.current-menu-item > a::after,
.primary-menu > li.current_page_item > a::after {
  content: "";
  position: absolute;
  right: 10px;
  bottom: -1px;
  left: 10px;
  height: 4px;
  background: var(--ecdb-black);
  border-radius: 99px;
}

.nav-icon {
  flex: 0 0 auto;
  font-size: 25px;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 10px;
  border: 1px solid var(--ecdb-gray-300);
  border-radius: 10px;
  background: var(--ecdb-white);
  color: var(--ecdb-black);
  cursor: pointer;
}

.menu-toggle svg {
  width: 26px;
  height: 26px;
}

.menu-toggle__close {
  display: none;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__open {
  display: none;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__close {
  display: block;
}

.site-main {
  width: min(calc(100% - 64px), var(--ecdb-content));
  margin-inline: auto;
}

.site-main--front {
  padding: 44px 0 43px;
}

.calendar-host {
  width: 100%;
}

.calendar-host.is-placeholder {
  min-height: 556px;
  padding: 28px;
  border: 3px solid var(--ecdb-black);
  background: linear-gradient(180deg, #fff 0%, #fafafa 100%);
  box-shadow: inset 0 0 0 9px #fff, inset 0 0 0 10px var(--ecdb-gray-200);
}

.calendar-placeholder {
  position: relative;
  min-height: 494px;
  padding: 70px 72px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px dashed var(--ecdb-gray-300);
  border-radius: var(--ecdb-radius);
  background: linear-gradient(135deg, rgba(244, 245, 246, 0.72), rgba(255, 255, 255, 0.95));
  overflow: hidden;
}

.calendar-placeholder::before,
.calendar-placeholder::after,
.calendar-host.is-placeholder::before,
.calendar-host.is-placeholder::after {
  content: "";
  position: absolute;
  width: 13px;
  height: 13px;
  background: #111;
  box-shadow: 5px 0 0 #fff, 0 5px 0 #fff, 5px 5px 0 #111;
}

.calendar-host.is-placeholder {
  position: relative;
}

.calendar-host.is-placeholder::before {
  top: 7px;
  left: 7px;
}

.calendar-host.is-placeholder::after {
  right: 7px;
  bottom: 7px;
  transform: rotate(180deg);
}

.calendar-placeholder__content {
  margin: auto;
  text-align: center;
}

.calendar-placeholder__icon {
  width: 86px;
  height: 86px;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
  font-size: 74px;
  color: var(--ecdb-black);
}

.calendar-placeholder h1 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.25;
  letter-spacing: 0.04em;
}

.calendar-placeholder p {
  margin: 18px 0 0;
  color: #25282d;
  font-size: clamp(15px, 1.6vw, 20px);
  font-weight: 600;
}

.calendar-placeholder__features {
  list-style: none;
  margin: 48px 0 0;
  padding: 18px 40px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  border-radius: 14px;
  background: rgba(231, 232, 234, 0.58);
}

.calendar-placeholder__features li {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 800;
  text-align: center;
}

.calendar-placeholder__features li span {
  flex: 0 0 auto;
  font-size: 24px;
}

.banner-section {
  margin-top: 46px;
}

.banner-card {
  min-height: 122px;
  padding: 18px 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  border: 2px dashed #a9adb3;
  border-radius: 12px;
  background: repeating-linear-gradient(-45deg, #fff, #fff 7px, #fafafa 7px, #fafafa 14px);
  transition: border-color 160ms ease, transform 160ms ease;
}

a.banner-card:hover {
  border-color: #111;
  transform: translateY(-2px);
}

.banner-card.has-banner-image {
  padding: 0;
  overflow: hidden;
  border-style: solid;
}

.banner-card.has-banner-image img {
  display: block;
  width: 100%;
  height: auto;
}

.banner-card__mascot {
  width: 145px;
  max-height: 90px;
  object-fit: contain;
  image-rendering: pixelated;
}

.banner-card__text {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.35;
}

.banner-card__text strong {
  font-size: clamp(24px, 2.7vw, 36px);
  letter-spacing: 0.08em;
}

.banner-card__text small {
  margin-top: 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.32em;
}

.site-footer {
  min-height: 77px;
  background: linear-gradient(90deg, #111214, #1b1d20, #111214);
  color: #fff;
}

.site-footer__inner {
  width: min(calc(100% - 64px), var(--ecdb-content));
  min-height: 77px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.footer-menu {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.footer-menu li {
  display: flex;
  align-items: center;
}

.footer-menu li:not(:last-child)::after {
  content: "";
  width: 1px;
  height: 16px;
  margin: 0 20px;
  background: rgba(255, 255, 255, 0.72);
}

.footer-menu a {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.footer-menu a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-copyright {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.content-page {
  padding: 56px 0 72px;
}

.content-card {
  padding: clamp(28px, 5vw, 64px);
  border: 1px solid var(--ecdb-gray-200);
  background: #fff;
  box-shadow: 0 16px 45px rgba(20, 22, 25, 0.06);
}

.entry-title {
  margin: 0 0 32px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.35;
}

.entry-meta {
  margin: 0 0 8px;
  color: var(--ecdb-gray-600);
  font-size: 14px;
}

.entry-content > *:first-child {
  margin-top: 0;
}

.entry-content a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.entry-content img,
.entry-thumbnail img {
  border-radius: 10px;
}

.post-list__item {
  padding: 28px 0;
  border-top: 1px solid var(--ecdb-gray-200);
}

.post-list__item h2 {
  margin: 0 0 12px;
}

.error-404 {
  text-align: center;
}

.error-404__code {
  margin: 0;
  font-size: clamp(80px, 14vw, 170px);
  font-weight: 900;
  line-height: 1;
}

.button {
  display: inline-flex;
  margin-top: 20px;
  padding: 12px 22px;
  border: 2px solid #111;
  background: #111;
  color: #fff;
  font-weight: 800;
}

@media (max-width: 1160px) {
  .site-header__inner {
    width: min(calc(100% - 40px), 1100px);
    gap: 20px;
  }

  .site-branding__logo {
    flex-basis: 82px;
    width: 82px;
    height: 78px;
  }

  .site-title {
    font-size: clamp(27px, 3.4vw, 40px);
  }

  .primary-menu {
    gap: 4px;
  }

  .primary-menu > li > a {
    padding-inline: 13px;
    font-size: 14px;
  }
}

@media (max-width: 900px) {
  body.menu-is-open {
    overflow: hidden;
  }

  .site-header,
  .site-header__inner {
    min-height: 96px;
  }

  .site-header__inner {
    width: calc(100% - 32px);
  }

  .site-branding__logo {
    flex-basis: 66px;
    width: 66px;
    height: 62px;
  }

  .site-branding__link {
    gap: 10px;
  }

  .site-title {
    font-size: clamp(23px, 5vw, 34px);
  }

  .site-description {
    max-width: 48vw;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .menu-toggle {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
  }

  .primary-navigation {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    max-height: 0;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 18px 30px rgba(17, 18, 20, 0.12);
    transition: max-height 220ms ease;
  }

  .menu-is-open .primary-navigation {
    max-height: 360px;
  }

  .primary-menu {
    width: calc(100% - 32px);
    margin: 0 auto;
    padding: 14px 0 20px;
    display: grid;
    gap: 8px;
  }

  .primary-menu > li > a {
    justify-content: flex-start;
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 16px;
  }

  .primary-menu > li.current-menu-item > a::after,
  .primary-menu > li.current_page_item > a::after {
    top: 10px;
    right: auto;
    bottom: 10px;
    left: 4px;
    width: 4px;
    height: auto;
  }

  .site-main {
    width: calc(100% - 32px);
  }

  .site-main--front {
    padding-top: 28px;
  }

  .calendar-host.is-placeholder {
    min-height: 520px;
    padding: 18px;
  }

  .calendar-placeholder {
    min-height: 480px;
    padding: 54px 28px 24px;
  }

  .calendar-placeholder__features {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 18px;
  }

  .calendar-placeholder__features li {
    justify-content: flex-start;
    text-align: left;
  }

  .banner-section {
    margin-top: 28px;
  }

  .site-footer__inner {
    width: calc(100% - 32px);
    padding: 22px 0;
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .site-branding__logo {
    flex-basis: 52px;
    width: 52px;
    height: 50px;
  }

  .site-title {
    font-size: clamp(20px, 6.3vw, 28px);
    letter-spacing: 0.02em;
  }

  .site-description {
    display: none;
  }

  .calendar-host.is-placeholder {
    padding: 10px;
    border-width: 2px;
    box-shadow: inset 0 0 0 4px #fff, inset 0 0 0 5px var(--ecdb-gray-200);
  }

  .calendar-placeholder {
    min-height: 440px;
    padding: 42px 18px 18px;
  }

  .calendar-placeholder__icon {
    width: 64px;
    height: 64px;
    font-size: 58px;
  }

  .calendar-placeholder h1 {
    font-size: 26px;
  }

  .calendar-placeholder p {
    font-size: 14px;
  }

  .calendar-placeholder__features {
    margin-top: 34px;
    font-size: 13px;
  }

  .banner-card {
    min-height: 108px;
    padding: 16px 18px;
    gap: 16px;
  }

  .banner-card__mascot {
    width: 92px;
  }

  .banner-card__text strong {
    font-size: 21px;
  }

  .banner-card__text small {
    font-size: 11px;
    letter-spacing: 0.18em;
  }

  .footer-menu li:not(:last-child)::after {
    margin-inline: 10px;
  }

  .site-copyright {
    white-space: normal;
  }
}
/* アフィリエイト広告表記 */
.affiliate-disclosure {
  padding: 28px 0;
  background: var(--ecdb-white);
}

.affiliate-disclosure__inner {
  width: min(calc(100% - 64px), var(--ecdb-content));
  margin: 0 auto;
  padding: 20px 24px;
  border: 1px solid var(--ecdb-gray-200);
  border-radius: 10px;
  background: var(--ecdb-gray-50);
}

.affiliate-disclosure__title {
  margin: 0 0 10px;
  color: var(--ecdb-black);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.5;
}

.affiliate-disclosure__text,
.affiliate-disclosure__amazon {
  margin: 0;
  color: var(--ecdb-gray-600);
  font-size: 12px;
  line-height: 1.8;
}

.affiliate-disclosure__amazon {
  margin-top: 8px;
  color: var(--ecdb-ink);
  font-weight: 600;
}

@media (max-width: 900px) {
  .affiliate-disclosure {
    padding: 22px 0;
  }

  .affiliate-disclosure__inner {
    width: calc(100% - 32px);
  }
}

@media (max-width: 560px) {
  .affiliate-disclosure {
    padding: 16px 0;
  }

  .affiliate-disclosure__inner {
    width: calc(100% - 32px);
    padding: 14px 16px;
    border-radius: 8px;
  }

  .affiliate-disclosure__title {
    margin-bottom: 8px;
    font-size: 13px;
    line-height: 1.5;
  }

  .affiliate-disclosure__text,
  .affiliate-disclosure__amazon {
    font-size: 10.5px;
    line-height: 1.7;
  }

  .affiliate-disclosure__text {
    color: var(--ecdb-gray-600);
  }

  .affiliate-disclosure__amazon {
    margin-top: 6px;
    font-weight: 500;
  }
}
/* Contact Form 7 */
.ecdb-contact-form {
  max-width: 760px;
}

.ecdb-contact-form label {
  display: block;
  margin-bottom: 24px;
  color: var(--ecdb-ink);
  font-size: 15px;
  font-weight: 700;
}

.ecdb-contact-form .required {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--ecdb-black);
  color: var(--ecdb-white);
  font-size: 11px;
  line-height: 1.4;
  vertical-align: middle;
}

.ecdb-contact-form input[type="text"],
.ecdb-contact-form input[type="email"],
.ecdb-contact-form select,
.ecdb-contact-form textarea {
  width: 100%;
  margin-top: 8px;
  padding: 12px 14px;
  border: 1px solid var(--ecdb-gray-300);
  border-radius: 8px;
  background: var(--ecdb-white);
  color: var(--ecdb-ink);
  font: inherit;
}

.ecdb-contact-form textarea {
  min-height: 180px;
  resize: vertical;
}

.ecdb-contact-form input:focus,
.ecdb-contact-form select:focus,
.ecdb-contact-form textarea:focus {
  outline: 2px solid var(--ecdb-black);
  outline-offset: 2px;
  border-color: var(--ecdb-black);
}

.ecdb-contact-form .wpcf7-acceptance {
  display: block;
  margin: 4px 0 22px;
  font-size: 14px;
  font-weight: 500;
}

.ecdb-contact-form .wpcf7-acceptance label {
  display: inline-flex;
  align-items: flex-start;
  gap: 8px;
  margin: 0;
  font-size: 14px;
  font-weight: 500;
}

.ecdb-contact-form .wpcf7-acceptance input {
  margin-top: 5px;
}

.ecdb-contact-form input[type="submit"] {
  min-width: 180px;
  padding: 13px 24px;
  border: 2px solid var(--ecdb-black);
  border-radius: 8px;
  background: var(--ecdb-black);
  color: var(--ecdb-white);
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}

.ecdb-contact-form input[type="submit"]:hover {
  background: var(--ecdb-white);
  color: var(--ecdb-black);
}

.ecdb-contact-form input[type="submit"]:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.ecdb-contact-form .wpcf7-not-valid-tip {
  margin-top: 6px;
  font-size: 13px;
}

.ecdb-contact-form .wpcf7-response-output {
  margin: 22px 0 0;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
}

@media (max-width: 560px) {
  .ecdb-contact-form label {
    margin-bottom: 20px;
    font-size: 14px;
  }

  .ecdb-contact-form input[type="text"],
  .ecdb-contact-form input[type="email"],
  .ecdb-contact-form select,
  .ecdb-contact-form textarea {
    padding: 11px 12px;
    font-size: 16px;
  }

  .ecdb-contact-form input[type="submit"] {
    width: 100%;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}